diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac')
50 files changed, 0 insertions, 32177 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile deleted file mode 100644 index dc4c75083085..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/Makefile +++ /dev/null @@ -1,57 +0,0 @@ -# -# Makefile fragment for Broadcom 802.11n Networking Device Driver -# -# Copyright (c) 2010 Broadcom Corporation -# -# Permission to use, copy, modify, and/or distribute this software for any -# purpose with or without fee is hereby granted, provided that the above -# copyright notice and this permission notice appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY -# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION -# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN -# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - -ccflags-y += \ - -Idrivers/net/wireless/brcm80211/brcmfmac \ - -Idrivers/net/wireless/brcm80211/include - -ccflags-y += -D__CHECK_ENDIAN__ - -obj-$(CONFIG_BRCMFMAC) += brcmfmac.o -brcmfmac-objs += \ - cfg80211.o \ - chip.o \ - fwil.o \ - fweh.o \ - fwsignal.o \ - p2p.o \ - proto.o \ - common.o \ - core.o \ - firmware.o \ - feature.o \ - btcoex.o \ - vendor.o -brcmfmac-$(CONFIG_BRCMFMAC_PROTO_BCDC) += \ - bcdc.o -brcmfmac-$(CONFIG_BRCMFMAC_PROTO_MSGBUF) += \ - commonring.o \ - flowring.o \ - msgbuf.o -brcmfmac-$(CONFIG_BRCMFMAC_SDIO) += \ - sdio.o \ - bcmsdh.o -brcmfmac-$(CONFIG_BRCMFMAC_USB) += \ - usb.o -brcmfmac-$(CONFIG_BRCMFMAC_PCIE) += \ - pcie.o -brcmfmac-$(CONFIG_BRCMDBG) += \ - debug.o -brcmfmac-$(CONFIG_BRCM_TRACING) += \ - tracepoint.o -brcmfmac-$(CONFIG_OF) += \ - of.o diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c deleted file mode 100644 index 288c84e7c56b..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/******************************************************************************* - * Communicates with the dongle by using dcmd codes. - * For certain dcmd codes, the dongle interprets string data from the host. - ******************************************************************************/ - -#include <linux/types.h> -#include <linux/netdevice.h> - -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "core.h" -#include "bus.h" -#include "fwsignal.h" -#include "debug.h" -#include "tracepoint.h" -#include "proto.h" -#include "bcdc.h" - -struct brcmf_proto_bcdc_dcmd { - __le32 cmd; /* dongle command value */ - __le32 len; /* lower 16: output buflen; - * upper 16: input buflen (excludes header) */ - __le32 flags; /* flag defns given below */ - __le32 status; /* status code returned from the device */ -}; - -/* BCDC flag definitions */ -#define BCDC_DCMD_ERROR 0x01 /* 1=cmd failed */ -#define BCDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ -#define BCDC_DCMD_IF_MASK 0xF000 /* I/F index */ -#define BCDC_DCMD_IF_SHIFT 12 -#define BCDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */ -#define BCDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */ -#define BCDC_DCMD_ID(flags) \ - (((flags) & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT) - -/* - * BCDC header - Broadcom specific extension of CDC. - * Used on data packets to convey priority across USB. - */ -#define BCDC_HEADER_LEN 4 -#define BCDC_PROTO_VER 2 /* Protocol version */ -#define BCDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ -#define BCDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ -#define BCDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */ -#define BCDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ -#define BCDC_PRIORITY_MASK 0x7 -#define BCDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */ -#define BCDC_FLAG2_IF_SHIFT 0 - -#define BCDC_GET_IF_IDX(hdr) \ - ((int)((((hdr)->flags2) & BCDC_FLAG2_IF_MASK) >> BCDC_FLAG2_IF_SHIFT)) -#define BCDC_SET_IF_IDX(hdr, idx) \ - ((hdr)->flags2 = (((hdr)->flags2 & ~BCDC_FLAG2_IF_MASK) | \ - ((idx) << BCDC_FLAG2_IF_SHIFT))) - -/** - * struct brcmf_proto_bcdc_header - BCDC header format - * - * @flags: flags contain protocol and checksum info. - * @priority: 802.1d priority and USB flow control info (bit 4:7). - * @flags2: additional flags containing dongle interface index. - * @data_offset: start of packet data. header is following by firmware signals. - */ -struct brcmf_proto_bcdc_header { - u8 flags; - u8 priority; - u8 flags2; - u8 data_offset; -}; - -/* - * maximum length of firmware signal data between - * the BCDC header and packet data in the tx path. - */ -#define BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES 12 - -#define RETRIES 2 /* # of retries to retrieve matching dcmd response */ -#define BUS_HEADER_LEN (16+64) /* Must be atleast SDPCM_RESERVE - * (amount of header tha might be added) - * plus any space that might be needed - * for bus alignment padding. - */ -struct brcmf_bcdc { - u16 reqid; - u8 bus_header[BUS_HEADER_LEN]; - struct brcmf_proto_bcdc_dcmd msg; - unsigned char buf[BRCMF_DCMD_MAXLEN]; -}; - - -static int -brcmf_proto_bcdc_msg(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, - uint len, bool set) -{ - struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; - u32 flags; - - brcmf_dbg(BCDC, "Enter\n"); - - memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd)); - - msg->cmd = cpu_to_le32(cmd); - msg->len = cpu_to_le32(len); - flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT); - if (set) - flags |= BCDC_DCMD_SET; - flags = (flags & ~BCDC_DCMD_IF_MASK) | - (ifidx << BCDC_DCMD_IF_SHIFT); - msg->flags = cpu_to_le32(flags); - - if (buf) - memcpy(bcdc->buf, buf, len); - - len += sizeof(*msg); - if (len > BRCMF_TX_IOCTL_MAX_MSG_SIZE) - len = BRCMF_TX_IOCTL_MAX_MSG_SIZE; - - /* Send request */ - return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len); -} - -static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) -{ - int ret; - struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - - brcmf_dbg(BCDC, "Enter\n"); - len += sizeof(struct brcmf_proto_bcdc_dcmd); - do { - ret = brcmf_bus_rxctl(drvr->bus_if, (unsigned char *)&bcdc->msg, - len); - if (ret < 0) - break; - } while (BCDC_DCMD_ID(le32_to_cpu(bcdc->msg.flags)) != id); - - return ret; -} - -static int -brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, - void *buf, uint len) -{ - struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; - void *info; - int ret = 0, retries = 0; - u32 id, flags; - - brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); - - ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, false); - if (ret < 0) { - brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n", - ret); - goto done; - } - -retry: - /* wait for interrupt and get first fragment */ - ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); - if (ret < 0) - goto done; - - flags = le32_to_cpu(msg->flags); - id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; - - if ((id < bcdc->reqid) && (++retries < RETRIES)) - goto retry; - if (id != bcdc->reqid) { - brcmf_err("%s: unexpected request id %d (expected %d)\n", - brcmf_ifname(drvr, ifidx), id, bcdc->reqid); - ret = -EINVAL; - goto done; - } - - /* Check info buffer */ - info = (void *)&msg[1]; - - /* Copy info buffer */ - if (buf) { - if (ret < (int)len) - len = ret; - memcpy(buf, info, len); - } - - /* Check the ERROR flag */ - if (flags & BCDC_DCMD_ERROR) - ret = le32_to_cpu(msg->status); - -done: - return ret; -} - -static int -brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd, - void *buf, uint len) -{ - struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd; - struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg; - int ret = 0; - u32 flags, id; - - brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len); - - ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, true); - if (ret < 0) - goto done; - - ret = brcmf_proto_bcdc_cmplt(drvr, bcdc->reqid, len); - if (ret < 0) - goto done; - - flags = le32_to_cpu(msg->flags); - id = (flags & BCDC_DCMD_ID_MASK) >> BCDC_DCMD_ID_SHIFT; - - if (id != bcdc->reqid) { - brcmf_err("%s: unexpected request id %d (expected %d)\n", - brcmf_ifname(drvr, ifidx), id, bcdc->reqid); - ret = -EINVAL; - goto done; - } - - /* Check the ERROR flag */ - if (flags & BCDC_DCMD_ERROR) - ret = le32_to_cpu(msg->status); - -done: - return ret; -} - -static void -brcmf_proto_bcdc_hdrpush(struct brcmf_pub *drvr, int ifidx, u8 offset, - struct sk_buff *pktbuf) -{ - struct brcmf_proto_bcdc_header *h; - - brcmf_dbg(BCDC, "Enter\n"); - - /* Push BDC header used to convey priority for buses that don't */ - skb_push(pktbuf, BCDC_HEADER_LEN); - - h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); - - h->flags = (BCDC_PROTO_VER << BCDC_FLAG_VER_SHIFT); - if (pktbuf->ip_summed == CHECKSUM_PARTIAL) - h->flags |= BCDC_FLAG_SUM_NEEDED; - - h->priority = (pktbuf->priority & BCDC_PRIORITY_MASK); - h->flags2 = 0; - h->data_offset = offset; - BCDC_SET_IF_IDX(h, ifidx); - trace_brcmf_bcdchdr(pktbuf->data); -} - -static int -brcmf_proto_bcdc_hdrpull(struct brcmf_pub *drvr, bool do_fws, - struct sk_buff *pktbuf, struct brcmf_if **ifp) -{ - struct brcmf_proto_bcdc_header *h; - struct brcmf_if *tmp_if; - - brcmf_dbg(BCDC, "Enter\n"); - - /* Pop BCDC header used to convey priority for buses that don't */ - if (pktbuf->len <= BCDC_HEADER_LEN) { - brcmf_dbg(INFO, "rx data too short (%d <= %d)\n", - pktbuf->len, BCDC_HEADER_LEN); - return -EBADE; - } - - trace_brcmf_bcdchdr(pktbuf->data); - h = (struct brcmf_proto_bcdc_header *)(pktbuf->data); - - tmp_if = brcmf_get_ifp(drvr, BCDC_GET_IF_IDX(h)); - if (!tmp_if) { - brcmf_dbg(INFO, "no matching ifp found\n"); - return -EBADE; - } - if (((h->flags & BCDC_FLAG_VER_MASK) >> BCDC_FLAG_VER_SHIFT) != - BCDC_PROTO_VER) { - brcmf_err("%s: non-BCDC packet received, flags 0x%x\n", - brcmf_ifname(drvr, tmp_if->ifidx), h->flags); - return -EBADE; - } - - if (h->flags & BCDC_FLAG_SUM_GOOD) { - brcmf_dbg(BCDC, "%s: BDC rcv, good checksum, flags 0x%x\n", - brcmf_ifname(drvr, tmp_if->ifidx), h->flags); - pktbuf->ip_summed = CHECKSUM_UNNECESSARY; - } - - pktbuf->priority = h->priority & BCDC_PRIORITY_MASK; - - skb_pull(pktbuf, BCDC_HEADER_LEN); - if (do_fws) - brcmf_fws_hdrpull(tmp_if, h->data_offset << 2, pktbuf); - else - skb_pull(pktbuf, h->data_offset << 2); - - if (pktbuf->len == 0) - return -ENODATA; - - *ifp = tmp_if; - return 0; -} - -static int -brcmf_proto_bcdc_txdata(struct brcmf_pub *drvr, int ifidx, u8 offset, - struct sk_buff *pktbuf) -{ - brcmf_proto_bcdc_hdrpush(drvr, ifidx, offset, pktbuf); - return brcmf_bus_txdata(drvr->bus_if, pktbuf); -} - -static void -brcmf_proto_bcdc_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, - enum proto_addr_mode addr_mode) -{ -} - -static void -brcmf_proto_bcdc_delete_peer(struct brcmf_pub *drvr, int ifidx, - u8 peer[ETH_ALEN]) -{ -} - -static void -brcmf_proto_bcdc_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, - u8 peer[ETH_ALEN]) -{ -} - -int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) -{ - struct brcmf_bcdc *bcdc; - - bcdc = kzalloc(sizeof(*bcdc), GFP_ATOMIC); - if (!bcdc) - goto fail; - - /* ensure that the msg buf directly follows the cdc msg struct */ - if ((unsigned long)(&bcdc->msg + 1) != (unsigned long)bcdc->buf) { - brcmf_err("struct brcmf_proto_bcdc is not correctly defined\n"); - goto fail; - } - - drvr->proto->hdrpull = brcmf_proto_bcdc_hdrpull; - drvr->proto->query_dcmd = brcmf_proto_bcdc_query_dcmd; - drvr->proto->set_dcmd = brcmf_proto_bcdc_set_dcmd; - drvr->proto->txdata = brcmf_proto_bcdc_txdata; - drvr->proto->configure_addr_mode = brcmf_proto_bcdc_configure_addr_mode; - drvr->proto->delete_peer = brcmf_proto_bcdc_delete_peer; - drvr->proto->add_tdls_peer = brcmf_proto_bcdc_add_tdls_peer; - drvr->proto->pd = bcdc; - - drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES; - drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN + - sizeof(struct brcmf_proto_bcdc_dcmd); - return 0; - -fail: - kfree(bcdc); - return -ENOMEM; -} - -void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) -{ - kfree(drvr->proto->pd); - drvr->proto->pd = NULL; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h deleted file mode 100644 index 6003179c0ceb..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_BCDC_H -#define BRCMFMAC_BCDC_H - -#ifdef CONFIG_BRCMFMAC_PROTO_BCDC -int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr); -void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr); -#else -static inline int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr) { return 0; } -static inline void brcmf_proto_bcdc_detach(struct brcmf_pub *drvr) {} -#endif - -#endif /* BRCMFMAC_BCDC_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c deleted file mode 100644 index 410a6645d316..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ /dev/null @@ -1,1380 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -/* ****************** SDIO CARD Interface Functions **************************/ - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/pci.h> -#include <linux/pci_ids.h> -#include <linux/sched.h> -#include <linux/completion.h> -#include <linux/scatterlist.h> -#include <linux/mmc/sdio.h> -#include <linux/mmc/core.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/card.h> -#include <linux/mmc/host.h> -#include <linux/platform_device.h> -#include <linux/platform_data/brcmfmac-sdio.h> -#include <linux/pm_runtime.h> -#include <linux/suspend.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/acpi.h> -#include <net/cfg80211.h> - -#include <defs.h> -#include <brcm_hw_ids.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> -#include <chipcommon.h> -#include <soc.h> -#include "chip.h" -#include "bus.h" -#include "debug.h" -#include "sdio.h" -#include "of.h" - -#define SDIOH_API_ACCESS_RETRY_LIMIT 2 - -#define DMA_ALIGN_MASK 0x03 - -#define SDIO_FUNC1_BLOCKSIZE 64 -#define SDIO_FUNC2_BLOCKSIZE 512 -/* Maximum milliseconds to wait for F2 to come up */ -#define SDIO_WAIT_F2RDY 3000 - -#define BRCMF_DEFAULT_TXGLOM_SIZE 32 /* max tx frames in glom chain */ -#define BRCMF_DEFAULT_RXGLOM_SIZE 32 /* max rx frames in glom chain */ - -struct brcmf_sdiod_freezer { - atomic_t freezing; - atomic_t thread_count; - u32 frozen_count; - wait_queue_head_t thread_freeze; - struct completion resumed; -}; - -static int brcmf_sdiod_txglomsz = BRCMF_DEFAULT_TXGLOM_SIZE; -module_param_named(txglomsz, brcmf_sdiod_txglomsz, int, 0); -MODULE_PARM_DESC(txglomsz, "maximum tx packet chain size [SDIO]"); - -static irqreturn_t brcmf_sdiod_oob_irqhandler(int irq, void *dev_id) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev_id); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - - brcmf_dbg(INTR, "OOB intr triggered\n"); - - /* out-of-band interrupt is level-triggered which won't - * be cleared until dpc - */ - if (sdiodev->irq_en) { - disable_irq_nosync(irq); - sdiodev->irq_en = false; - } - - brcmf_sdio_isr(sdiodev->bus); - - return IRQ_HANDLED; -} - -static void brcmf_sdiod_ib_irqhandler(struct sdio_func *func) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - - brcmf_dbg(INTR, "IB intr triggered\n"); - - brcmf_sdio_isr(sdiodev->bus); -} - -/* dummy handler for SDIO function 2 interrupt */ -static void brcmf_sdiod_dummy_irqhandler(struct sdio_func *func) -{ -} - -int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev) -{ - int ret = 0; - u8 data; - u32 addr, gpiocontrol; - unsigned long flags; - - if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { - brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n", - sdiodev->pdata->oob_irq_nr); - ret = request_irq(sdiodev->pdata->oob_irq_nr, - brcmf_sdiod_oob_irqhandler, - sdiodev->pdata->oob_irq_flags, - "brcmf_oob_intr", - &sdiodev->func[1]->dev); - if (ret != 0) { - brcmf_err("request_irq failed %d\n", ret); - return ret; - } - sdiodev->oob_irq_requested = true; - spin_lock_init(&sdiodev->irq_en_lock); - spin_lock_irqsave(&sdiodev->irq_en_lock, flags); - sdiodev->irq_en = true; - spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags); - - ret = enable_irq_wake(sdiodev->pdata->oob_irq_nr); - if (ret != 0) { - brcmf_err("enable_irq_wake failed %d\n", ret); - return ret; - } - sdiodev->irq_wake = true; - - sdio_claim_host(sdiodev->func[1]); - - if (sdiodev->bus_if->chip == BRCM_CC_43362_CHIP_ID) { - /* assign GPIO to SDIO core */ - addr = CORE_CC_REG(SI_ENUM_BASE, gpiocontrol); - gpiocontrol = brcmf_sdiod_regrl(sdiodev, addr, &ret); - gpiocontrol |= 0x2; - brcmf_sdiod_regwl(sdiodev, addr, gpiocontrol, &ret); - - brcmf_sdiod_regwb(sdiodev, SBSDIO_GPIO_SELECT, 0xf, - &ret); - brcmf_sdiod_regwb(sdiodev, SBSDIO_GPIO_OUT, 0, &ret); - brcmf_sdiod_regwb(sdiodev, SBSDIO_GPIO_EN, 0x2, &ret); - } - - /* must configure SDIO_CCCR_IENx to enable irq */ - data = brcmf_sdiod_regrb(sdiodev, SDIO_CCCR_IENx, &ret); - data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; - brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); - - /* redirect, configure and enable io for interrupt signal */ - data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; - if (sdiodev->pdata->oob_irq_flags & IRQF_TRIGGER_HIGH) - data |= SDIO_SEPINT_ACT_HI; - brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); - - sdio_release_host(sdiodev->func[1]); - } else { - brcmf_dbg(SDIO, "Entering\n"); - sdio_claim_host(sdiodev->func[1]); - sdio_claim_irq(sdiodev->func[1], brcmf_sdiod_ib_irqhandler); - sdio_claim_irq(sdiodev->func[2], brcmf_sdiod_dummy_irqhandler); - sdio_release_host(sdiodev->func[1]); - } - - return 0; -} - -int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev) -{ - brcmf_dbg(SDIO, "Entering\n"); - - if ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported)) { - sdio_claim_host(sdiodev->func[1]); - brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL); - brcmf_sdiod_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL); - sdio_release_host(sdiodev->func[1]); - - if (sdiodev->oob_irq_requested) { - sdiodev->oob_irq_requested = false; - if (sdiodev->irq_wake) { - disable_irq_wake(sdiodev->pdata->oob_irq_nr); - sdiodev->irq_wake = false; - } - free_irq(sdiodev->pdata->oob_irq_nr, - &sdiodev->func[1]->dev); - sdiodev->irq_en = false; - } - } else { - sdio_claim_host(sdiodev->func[1]); - sdio_release_irq(sdiodev->func[2]); - sdio_release_irq(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); - } - - return 0; -} - -void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, - enum brcmf_sdiod_state state) -{ - if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM || - state == sdiodev->state) - return; - - brcmf_dbg(TRACE, "%d -> %d\n", sdiodev->state, state); - switch (sdiodev->state) { - case BRCMF_SDIOD_DATA: - /* any other state means bus interface is down */ - brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_DOWN); - break; - case BRCMF_SDIOD_DOWN: - /* transition from DOWN to DATA means bus interface is up */ - if (state == BRCMF_SDIOD_DATA) - brcmf_bus_change_state(sdiodev->bus_if, BRCMF_BUS_UP); - break; - default: - break; - } - sdiodev->state = state; -} - -static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func, - uint regaddr, u8 byte) -{ - int err_ret; - - /* - * Can only directly write to some F0 registers. - * Handle CCCR_IENx and CCCR_ABORT command - * as a special case. - */ - if ((regaddr == SDIO_CCCR_ABORT) || - (regaddr == SDIO_CCCR_IENx)) - sdio_writeb(func, byte, regaddr, &err_ret); - else - sdio_f0_writeb(func, byte, regaddr, &err_ret); - - return err_ret; -} - -static int brcmf_sdiod_request_data(struct brcmf_sdio_dev *sdiodev, u8 fn, - u32 addr, u8 regsz, void *data, bool write) -{ - struct sdio_func *func; - int ret; - - brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", - write, fn, addr, regsz); - - /* only allow byte access on F0 */ - if (WARN_ON(regsz > 1 && !fn)) - return -EINVAL; - func = sdiodev->func[fn]; - - switch (regsz) { - case sizeof(u8): - if (write) { - if (fn) - sdio_writeb(func, *(u8 *)data, addr, &ret); - else - ret = brcmf_sdiod_f0_writeb(func, addr, - *(u8 *)data); - } else { - if (fn) - *(u8 *)data = sdio_readb(func, addr, &ret); - else - *(u8 *)data = sdio_f0_readb(func, addr, &ret); - } - break; - case sizeof(u16): - if (write) - sdio_writew(func, *(u16 *)data, addr, &ret); - else - *(u16 *)data = sdio_readw(func, addr, &ret); - break; - case sizeof(u32): - if (write) - sdio_writel(func, *(u32 *)data, addr, &ret); - else - *(u32 *)data = sdio_readl(func, addr, &ret); - break; - default: - brcmf_err("invalid size: %d\n", regsz); - break; - } - - if (ret) - brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", - write ? "write" : "read", fn, addr, ret); - - return ret; -} - -static int brcmf_sdiod_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, - u8 regsz, void *data, bool write) -{ - u8 func; - s32 retry = 0; - int ret; - - if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) - return -ENOMEDIUM; - - /* - * figure out how to read the register based on address range - * 0x00 ~ 0x7FF: function 0 CCCR and FBR - * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers - * The rest: function 1 silicon backplane core registers - */ - if ((addr & ~REG_F0_REG_MASK) == 0) - func = SDIO_FUNC_0; - else - func = SDIO_FUNC_1; - - do { - if (!write) - memset(data, 0, regsz); - /* for retry wait for 1 ms till bus get settled down */ - if (retry) - usleep_range(1000, 2000); - ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, - data, write); - } while (ret != 0 && ret != -ENOMEDIUM && - retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); - - if (ret == -ENOMEDIUM) - brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); - else if (ret != 0) { - /* - * SleepCSR register access can fail when - * waking up the device so reduce this noise - * in the logs. - */ - if (addr != SBSDIO_FUNC1_SLEEPCSR) - brcmf_err("failed to %s data F%d@0x%05x, err: %d\n", - write ? "write" : "read", func, addr, ret); - else - brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", - write ? "write" : "read", func, addr, ret); - } - return ret; -} - -static int -brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) -{ - int err = 0, i; - u8 addr[3]; - - if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) - return -ENOMEDIUM; - - addr[0] = (address >> 8) & SBSDIO_SBADDRLOW_MASK; - addr[1] = (address >> 16) & SBSDIO_SBADDRMID_MASK; - addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK; - - for (i = 0; i < 3; i++) { - err = brcmf_sdiod_regrw_helper(sdiodev, - SBSDIO_FUNC1_SBADDRLOW + i, - sizeof(u8), &addr[i], true); - if (err) { - brcmf_err("failed at addr: 0x%0x\n", - SBSDIO_FUNC1_SBADDRLOW + i); - break; - } - } - - return err; -} - -static int -brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, uint width, u32 *addr) -{ - uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; - int err = 0; - - if (bar0 != sdiodev->sbwad) { - err = brcmf_sdiod_set_sbaddr_window(sdiodev, bar0); - if (err) - return err; - - sdiodev->sbwad = bar0; - } - - *addr &= SBSDIO_SB_OFT_ADDR_MASK; - - if (width == 4) - *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; - - return 0; -} - -u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) -{ - u8 data; - int retval; - - brcmf_dbg(SDIO, "addr:0x%08x\n", addr); - retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, - false); - brcmf_dbg(SDIO, "data:0x%02x\n", data); - - if (ret) - *ret = retval; - - return data; -} - -u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) -{ - u32 data; - int retval; - - brcmf_dbg(SDIO, "addr:0x%08x\n", addr); - retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); - if (retval) - goto done; - retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, - false); - brcmf_dbg(SDIO, "data:0x%08x\n", data); - -done: - if (ret) - *ret = retval; - - return data; -} - -void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, - u8 data, int *ret) -{ - int retval; - - brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data); - retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, - true); - if (ret) - *ret = retval; -} - -void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, - u32 data, int *ret) -{ - int retval; - - brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); - retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); - if (retval) - goto done; - retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, - true); - -done: - if (ret) - *ret = retval; -} - -static int brcmf_sdiod_buffrw(struct brcmf_sdio_dev *sdiodev, uint fn, - bool write, u32 addr, struct sk_buff *pkt) -{ - unsigned int req_sz; - int err; - - /* Single skb use the standard mmc interface */ - req_sz = pkt->len + 3; - req_sz &= (uint)~3; - - if (write) - err = sdio_memcpy_toio(sdiodev->func[fn], addr, - ((u8 *)(pkt->data)), req_sz); - else if (fn == 1) - err = sdio_memcpy_fromio(sdiodev->func[fn], ((u8 *)(pkt->data)), - addr, req_sz); - else - /* function 2 read is FIFO operation */ - err = sdio_readsb(sdiodev->func[fn], ((u8 *)(pkt->data)), addr, - req_sz); - if (err == -ENOMEDIUM) - brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); - return err; -} - -/** - * brcmf_sdiod_sglist_rw - SDIO interface function for block data access - * @sdiodev: brcmfmac sdio device - * @fn: SDIO function number - * @write: direction flag - * @addr: dongle memory address as source/destination - * @pkt: skb pointer - * - * This function takes the respbonsibility as the interface function to MMC - * stack for block data access. It assumes that the skb passed down by the - * caller has already been padded and aligned. - */ -static int brcmf_sdiod_sglist_rw(struct brcmf_sdio_dev *sdiodev, uint fn, - bool write, u32 addr, - struct sk_buff_head *pktlist) -{ - unsigned int req_sz, func_blk_sz, sg_cnt, sg_data_sz, pkt_offset; - unsigned int max_req_sz, orig_offset, dst_offset; - unsigned short max_seg_cnt, seg_sz; - unsigned char *pkt_data, *orig_data, *dst_data; - struct sk_buff *pkt_next = NULL, *local_pkt_next; - struct sk_buff_head local_list, *target_list; - struct mmc_request mmc_req; - struct mmc_command mmc_cmd; - struct mmc_data mmc_dat; - struct scatterlist *sgl; - int ret = 0; - - if (!pktlist->qlen) - return -EINVAL; - - target_list = pktlist; - /* for host with broken sg support, prepare a page aligned list */ - __skb_queue_head_init(&local_list); - if (sdiodev->pdata && sdiodev->pdata->broken_sg_support && !write) { - req_sz = 0; - skb_queue_walk(pktlist, pkt_next) - req_sz += pkt_next->len; - req_sz = ALIGN(req_sz, sdiodev->func[fn]->cur_blksize); - while (req_sz > PAGE_SIZE) { - pkt_next = brcmu_pkt_buf_get_skb(PAGE_SIZE); - if (pkt_next == NULL) { - ret = -ENOMEM; - goto exit; - } - __skb_queue_tail(&local_list, pkt_next); - req_sz -= PAGE_SIZE; - } - pkt_next = brcmu_pkt_buf_get_skb(req_sz); - if (pkt_next == NULL) { - ret = -ENOMEM; - goto exit; - } - __skb_queue_tail(&local_list, pkt_next); - target_list = &local_list; - } - - func_blk_sz = sdiodev->func[fn]->cur_blksize; - max_req_sz = sdiodev->max_request_size; - max_seg_cnt = min_t(unsigned short, sdiodev->max_segment_count, - target_list->qlen); - seg_sz = target_list->qlen; - pkt_offset = 0; - pkt_next = target_list->next; - - memset(&mmc_req, 0, sizeof(struct mmc_request)); - memset(&mmc_cmd, 0, sizeof(struct mmc_command)); - memset(&mmc_dat, 0, sizeof(struct mmc_data)); - - mmc_dat.sg = sdiodev->sgtable.sgl; - mmc_dat.blksz = func_blk_sz; - mmc_dat.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; - mmc_cmd.opcode = SD_IO_RW_EXTENDED; - mmc_cmd.arg = write ? 1<<31 : 0; /* write flag */ - mmc_cmd.arg |= (fn & 0x7) << 28; /* SDIO func num */ - mmc_cmd.arg |= 1<<27; /* block mode */ - /* for function 1 the addr will be incremented */ - mmc_cmd.arg |= (fn == 1) ? 1<<26 : 0; - mmc_cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC; - mmc_req.cmd = &mmc_cmd; - mmc_req.data = &mmc_dat; - - while (seg_sz) { - req_sz = 0; - sg_cnt = 0; - sgl = sdiodev->sgtable.sgl; - /* prep sg table */ - while (pkt_next != (struct sk_buff *)target_list) { - pkt_data = pkt_next->data + pkt_offset; - sg_data_sz = pkt_next->len - pkt_offset; - if (sg_data_sz > sdiodev->max_segment_size) - sg_data_sz = sdiodev->max_segment_size; - if (sg_data_sz > max_req_sz - req_sz) - sg_data_sz = max_req_sz - req_sz; - - sg_set_buf(sgl, pkt_data, sg_data_sz); - - sg_cnt++; - sgl = sg_next(sgl); - req_sz += sg_data_sz; - pkt_offset += sg_data_sz; - if (pkt_offset == pkt_next->len) { - pkt_offset = 0; - pkt_next = pkt_next->next; - } - - if (req_sz >= max_req_sz || sg_cnt >= max_seg_cnt) - break; - } - seg_sz -= sg_cnt; - - if (req_sz % func_blk_sz != 0) { - brcmf_err("sg request length %u is not %u aligned\n", - req_sz, func_blk_sz); - ret = -ENOTBLK; - goto exit; - } - - mmc_dat.sg_len = sg_cnt; - mmc_dat.blocks = req_sz / func_blk_sz; - mmc_cmd.arg |= (addr & 0x1FFFF) << 9; /* address */ - mmc_cmd.arg |= mmc_dat.blocks & 0x1FF; /* block count */ - /* incrementing addr for function 1 */ - if (fn == 1) - addr += req_sz; - - mmc_set_data_timeout(&mmc_dat, sdiodev->func[fn]->card); - mmc_wait_for_req(sdiodev->func[fn]->card->host, &mmc_req); - - ret = mmc_cmd.error ? mmc_cmd.error : mmc_dat.error; - if (ret == -ENOMEDIUM) { - brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); - break; - } else if (ret != 0) { - brcmf_err("CMD53 sg block %s failed %d\n", - write ? "write" : "read", ret); - ret = -EIO; - break; - } - } - - if (sdiodev->pdata && sdiodev->pdata->broken_sg_support && !write) { - local_pkt_next = local_list.next; - orig_offset = 0; - skb_queue_walk(pktlist, pkt_next) { - dst_offset = 0; - do { - req_sz = local_pkt_next->len - orig_offset; - req_sz = min_t(uint, pkt_next->len - dst_offset, - req_sz); - orig_data = local_pkt_next->data + orig_offset; - dst_data = pkt_next->data + dst_offset; - memcpy(dst_data, orig_data, req_sz); - orig_offset += req_sz; - dst_offset += req_sz; - if (orig_offset == local_pkt_next->len) { - orig_offset = 0; - local_pkt_next = local_pkt_next->next; - } - if (dst_offset == pkt_next->len) - break; - } while (!skb_queue_empty(&local_list)); - } - } - -exit: - sg_init_table(sdiodev->sgtable.sgl, sdiodev->sgtable.orig_nents); - while ((pkt_next = __skb_dequeue(&local_list)) != NULL) - brcmu_pkt_buf_free_skb(pkt_next); - - return ret; -} - -int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) -{ - struct sk_buff *mypkt; - int err; - - mypkt = brcmu_pkt_buf_get_skb(nbytes); - if (!mypkt) { - brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n", - nbytes); - return -EIO; - } - - err = brcmf_sdiod_recv_pkt(sdiodev, mypkt); - if (!err) - memcpy(buf, mypkt->data, nbytes); - - brcmu_pkt_buf_free_skb(mypkt); - return err; -} - -int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt) -{ - u32 addr = sdiodev->sbwad; - int err = 0; - - brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pkt->len); - - err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); - if (err) - goto done; - - err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, pkt); - -done: - return err; -} - -int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, - struct sk_buff_head *pktq, uint totlen) -{ - struct sk_buff *glom_skb; - struct sk_buff *skb; - u32 addr = sdiodev->sbwad; - int err = 0; - - brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", - addr, pktq->qlen); - - err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); - if (err) - goto done; - - if (pktq->qlen == 1) - err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, - pktq->next); - else if (!sdiodev->sg_support) { - glom_skb = brcmu_pkt_buf_get_skb(totlen); - if (!glom_skb) - return -ENOMEM; - err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, - glom_skb); - if (err) - goto done; - - skb_queue_walk(pktq, skb) { - memcpy(skb->data, glom_skb->data, skb->len); - skb_pull(glom_skb, skb->len); - } - } else - err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, false, addr, - pktq); - -done: - return err; -} - -int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes) -{ - struct sk_buff *mypkt; - u32 addr = sdiodev->sbwad; - int err; - - mypkt = brcmu_pkt_buf_get_skb(nbytes); - if (!mypkt) { - brcmf_err("brcmu_pkt_buf_get_skb failed: len %d\n", - nbytes); - return -EIO; - } - - memcpy(mypkt->data, buf, nbytes); - - err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); - - if (!err) - err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, true, addr, - mypkt); - - brcmu_pkt_buf_free_skb(mypkt); - return err; - -} - -int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, - struct sk_buff_head *pktq) -{ - struct sk_buff *skb; - u32 addr = sdiodev->sbwad; - int err; - - brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pktq->qlen); - - err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); - if (err) - return err; - - if (pktq->qlen == 1 || !sdiodev->sg_support) - skb_queue_walk(pktq, skb) { - err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, true, - addr, skb); - if (err) - break; - } - else - err = brcmf_sdiod_sglist_rw(sdiodev, SDIO_FUNC_2, true, addr, - pktq); - - return err; -} - -int -brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, - u8 *data, uint size) -{ - int bcmerror = 0; - struct sk_buff *pkt; - u32 sdaddr; - uint dsize; - - dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); - pkt = dev_alloc_skb(dsize); - if (!pkt) { - brcmf_err("dev_alloc_skb failed: len %d\n", dsize); - return -EIO; - } - pkt->priority = 0; - - /* Determine initial transfer parameters */ - sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; - if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) - dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); - else - dsize = size; - - sdio_claim_host(sdiodev->func[1]); - - /* Do the transfer(s) */ - while (size) { - /* Set the backplane window to include the start address */ - bcmerror = brcmf_sdiod_set_sbaddr_window(sdiodev, address); - if (bcmerror) - break; - - brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", - write ? "write" : "read", dsize, - sdaddr, address & SBSDIO_SBWINDOW_MASK); - - sdaddr &= SBSDIO_SB_OFT_ADDR_MASK; - sdaddr |= SBSDIO_SB_ACCESS_2_4B_FLAG; - - skb_put(pkt, dsize); - if (write) - memcpy(pkt->data, data, dsize); - bcmerror = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_1, write, - sdaddr, pkt); - if (bcmerror) { - brcmf_err("membytes transfer failed\n"); - break; - } - if (!write) - memcpy(data, pkt->data, dsize); - skb_trim(pkt, 0); - - /* Adjust for next transfer (if any) */ - size -= dsize; - if (size) { - data += dsize; - address += dsize; - sdaddr = 0; - dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size); - } - } - - dev_kfree_skb(pkt); - - /* Return the window to backplane enumeration space for core access */ - if (brcmf_sdiod_set_sbaddr_window(sdiodev, sdiodev->sbwad)) - brcmf_err("FAILED to set window back to 0x%x\n", - sdiodev->sbwad); - - sdio_release_host(sdiodev->func[1]); - - return bcmerror; -} - -int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn) -{ - char t_func = (char)fn; - brcmf_dbg(SDIO, "Enter\n"); - - /* issue abort cmd52 command through F0 */ - brcmf_sdiod_request_data(sdiodev, SDIO_FUNC_0, SDIO_CCCR_ABORT, - sizeof(t_func), &t_func, true); - - brcmf_dbg(SDIO, "Exit\n"); - return 0; -} - -static void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev) -{ - uint nents; - int err; - - if (!sdiodev->sg_support) - return; - - nents = max_t(uint, BRCMF_DEFAULT_RXGLOM_SIZE, brcmf_sdiod_txglomsz); - nents += (nents >> 4) + 1; - - WARN_ON(nents > sdiodev->max_segment_count); - - brcmf_dbg(TRACE, "nents=%d\n", nents); - err = sg_alloc_table(&sdiodev->sgtable, nents, GFP_KERNEL); - if (err < 0) { - brcmf_err("allocation failed: disable scatter-gather"); - sdiodev->sg_support = false; - } - - sdiodev->txglomsz = brcmf_sdiod_txglomsz; -} - -#ifdef CONFIG_PM_SLEEP -static int brcmf_sdiod_freezer_attach(struct brcmf_sdio_dev *sdiodev) -{ - sdiodev->freezer = kzalloc(sizeof(*sdiodev->freezer), GFP_KERNEL); - if (!sdiodev->freezer) - return -ENOMEM; - atomic_set(&sdiodev->freezer->thread_count, 0); - atomic_set(&sdiodev->freezer->freezing, 0); - init_waitqueue_head(&sdiodev->freezer->thread_freeze); - init_completion(&sdiodev->freezer->resumed); - return 0; -} - -static void brcmf_sdiod_freezer_detach(struct brcmf_sdio_dev *sdiodev) -{ - if (sdiodev->freezer) { - WARN_ON(atomic_read(&sdiodev->freezer->freezing)); - kfree(sdiodev->freezer); - } -} - -static int brcmf_sdiod_freezer_on(struct brcmf_sdio_dev *sdiodev) -{ - atomic_t *expect = &sdiodev->freezer->thread_count; - int res = 0; - - sdiodev->freezer->frozen_count = 0; - reinit_completion(&sdiodev->freezer->resumed); - atomic_set(&sdiodev->freezer->freezing, 1); - brcmf_sdio_trigger_dpc(sdiodev->bus); - wait_event(sdiodev->freezer->thread_freeze, - atomic_read(expect) == sdiodev->freezer->frozen_count); - sdio_claim_host(sdiodev->func[1]); - res = brcmf_sdio_sleep(sdiodev->bus, true); - sdio_release_host(sdiodev->func[1]); - return res; -} - -static void brcmf_sdiod_freezer_off(struct brcmf_sdio_dev *sdiodev) -{ - sdio_claim_host(sdiodev->func[1]); - brcmf_sdio_sleep(sdiodev->bus, false); - sdio_release_host(sdiodev->func[1]); - atomic_set(&sdiodev->freezer->freezing, 0); - complete_all(&sdiodev->freezer->resumed); -} - -bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev) -{ - return atomic_read(&sdiodev->freezer->freezing); -} - -void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev) -{ - if (!brcmf_sdiod_freezing(sdiodev)) - return; - sdiodev->freezer->frozen_count++; - wake_up(&sdiodev->freezer->thread_freeze); - wait_for_completion(&sdiodev->freezer->resumed); -} - -void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev) -{ - atomic_inc(&sdiodev->freezer->thread_count); -} - -void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev) -{ - atomic_dec(&sdiodev->freezer->thread_count); -} -#else -static int brcmf_sdiod_freezer_attach(struct brcmf_sdio_dev *sdiodev) -{ - return 0; -} - -static void brcmf_sdiod_freezer_detach(struct brcmf_sdio_dev *sdiodev) -{ -} -#endif /* CONFIG_PM_SLEEP */ - -static int brcmf_sdiod_remove(struct brcmf_sdio_dev *sdiodev) -{ - sdiodev->state = BRCMF_SDIOD_DOWN; - if (sdiodev->bus) { - brcmf_sdio_remove(sdiodev->bus); - sdiodev->bus = NULL; - } - - brcmf_sdiod_freezer_detach(sdiodev); - - /* Disable Function 2 */ - sdio_claim_host(sdiodev->func[2]); - sdio_disable_func(sdiodev->func[2]); - sdio_release_host(sdiodev->func[2]); - - /* Disable Function 1 */ - sdio_claim_host(sdiodev->func[1]); - sdio_disable_func(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); - - sg_free_table(&sdiodev->sgtable); - sdiodev->sbwad = 0; - - pm_runtime_allow(sdiodev->func[1]->card->host->parent); - return 0; -} - -static void brcmf_sdiod_host_fixup(struct mmc_host *host) -{ - /* runtime-pm powers off the device */ - pm_runtime_forbid(host->parent); - /* avoid removal detection upon resume */ - host->caps |= MMC_CAP_NONREMOVABLE; -} - -static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev) -{ - struct sdio_func *func; - struct mmc_host *host; - uint max_blocks; - int ret = 0; - - sdiodev->num_funcs = 2; - - sdio_claim_host(sdiodev->func[1]); - - ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE); - if (ret) { - brcmf_err("Failed to set F1 blocksize\n"); - sdio_release_host(sdiodev->func[1]); - goto out; - } - ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE); - if (ret) { - brcmf_err("Failed to set F2 blocksize\n"); - sdio_release_host(sdiodev->func[1]); - goto out; - } - - /* increase F2 timeout */ - sdiodev->func[2]->enable_timeout = SDIO_WAIT_F2RDY; - - /* Enable Function 1 */ - ret = sdio_enable_func(sdiodev->func[1]); - sdio_release_host(sdiodev->func[1]); - if (ret) { - brcmf_err("Failed to enable F1: err=%d\n", ret); - goto out; - } - - /* - * determine host related variables after brcmf_sdiod_probe() - * as func->cur_blksize is properly set and F2 init has been - * completed successfully. - */ - func = sdiodev->func[2]; - host = func->card->host; - sdiodev->sg_support = host->max_segs > 1; - max_blocks = min_t(uint, host->max_blk_count, 511u); - sdiodev->max_request_size = min_t(uint, host->max_req_size, - max_blocks * func->cur_blksize); - sdiodev->max_segment_count = min_t(uint, host->max_segs, - SG_MAX_SINGLE_ALLOC); - sdiodev->max_segment_size = host->max_seg_size; - - /* allocate scatter-gather table. sg support - * will be disabled upon allocation failure. - */ - brcmf_sdiod_sgtable_alloc(sdiodev); - - ret = brcmf_sdiod_freezer_attach(sdiodev); - if (ret) - goto out; - - /* try to attach to the target device */ - sdiodev->bus = brcmf_sdio_probe(sdiodev); - if (!sdiodev->bus) { - ret = -ENODEV; - goto out; - } - brcmf_sdiod_host_fixup(host); -out: - if (ret) - brcmf_sdiod_remove(sdiodev); - - return ret; -} - -#define BRCMF_SDIO_DEVICE(dev_id) \ - {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, dev_id)} - -/* devices we support, null terminated */ -static const struct sdio_device_id brcmf_sdmmc_ids[] = { - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43143), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43241), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4329), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4330), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4334), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43340), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43341), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43362), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4335_4339), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43430), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4345), - BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354), - { /* end: all zeroes */ } -}; -MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids); - -static struct brcmfmac_sdio_platform_data *brcmfmac_sdio_pdata; - - -static void brcmf_sdiod_acpi_set_power_manageable(struct device *dev, - int val) -{ -#if IS_ENABLED(CONFIG_ACPI) - struct acpi_device *adev; - - adev = ACPI_COMPANION(dev); - if (adev) - adev->flags.power_manageable = 0; -#endif -} - -static int brcmf_ops_sdio_probe(struct sdio_func *func, - const struct sdio_device_id *id) -{ - int err; - struct brcmf_sdio_dev *sdiodev; - struct brcmf_bus *bus_if; - struct device *dev; - - brcmf_dbg(SDIO, "Enter\n"); - brcmf_dbg(SDIO, "Class=%x\n", func->class); - brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); - brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); - brcmf_dbg(SDIO, "Function#: %d\n", func->num); - - dev = &func->dev; - /* prohibit ACPI power management for this device */ - brcmf_sdiod_acpi_set_power_manageable(dev, 0); - - /* Consume func num 1 but dont do anything with it. */ - if (func->num == 1) - return 0; - - /* Ignore anything but func 2 */ - if (func->num != 2) - return -ENODEV; - - bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL); - if (!bus_if) - return -ENOMEM; - sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL); - if (!sdiodev) { - kfree(bus_if); - return -ENOMEM; - } - - /* store refs to functions used. mmc_card does - * not hold the F0 function pointer. - */ - sdiodev->func[0] = kmemdup(func, sizeof(*func), GFP_KERNEL); - sdiodev->func[0]->num = 0; - sdiodev->func[1] = func->card->sdio_func[0]; - sdiodev->func[2] = func; - - sdiodev->bus_if = bus_if; - bus_if->bus_priv.sdio = sdiodev; - bus_if->proto_type = BRCMF_PROTO_BCDC; - dev_set_drvdata(&func->dev, bus_if); - dev_set_drvdata(&sdiodev->func[1]->dev, bus_if); - sdiodev->dev = &sdiodev->func[1]->dev; - sdiodev->pdata = brcmfmac_sdio_pdata; - - if (!sdiodev->pdata) - brcmf_of_probe(sdiodev); - -#ifdef CONFIG_PM_SLEEP - /* wowl can be supported when KEEP_POWER is true and (WAKE_SDIO_IRQ - * is true or when platform data OOB irq is true). - */ - if ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_KEEP_POWER) && - ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_WAKE_SDIO_IRQ) || - (sdiodev->pdata && sdiodev->pdata->oob_irq_supported))) - bus_if->wowl_supported = true; -#endif - - brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_DOWN); - - brcmf_dbg(SDIO, "F2 found, calling brcmf_sdiod_probe...\n"); - err = brcmf_sdiod_probe(sdiodev); - if (err) { - brcmf_err("F2 error, probe failed %d...\n", err); - goto fail; - } - - brcmf_dbg(SDIO, "F2 init completed...\n"); - return 0; - -fail: - dev_set_drvdata(&func->dev, NULL); - dev_set_drvdata(&sdiodev->func[1]->dev, NULL); - kfree(sdiodev->func[0]); - kfree(sdiodev); - kfree(bus_if); - return err; -} - -static void brcmf_ops_sdio_remove(struct sdio_func *func) -{ - struct brcmf_bus *bus_if; - struct brcmf_sdio_dev *sdiodev; - - brcmf_dbg(SDIO, "Enter\n"); - brcmf_dbg(SDIO, "sdio vendor ID: 0x%04x\n", func->vendor); - brcmf_dbg(SDIO, "sdio device ID: 0x%04x\n", func->device); - brcmf_dbg(SDIO, "Function: %d\n", func->num); - - if (func->num != 1) - return; - - bus_if = dev_get_drvdata(&func->dev); - if (bus_if) { - sdiodev = bus_if->bus_priv.sdio; - brcmf_sdiod_remove(sdiodev); - - dev_set_drvdata(&sdiodev->func[1]->dev, NULL); - dev_set_drvdata(&sdiodev->func[2]->dev, NULL); - - kfree(bus_if); - kfree(sdiodev->func[0]); - kfree(sdiodev); - } - - brcmf_dbg(SDIO, "Exit\n"); -} - -void brcmf_sdio_wowl_config(struct device *dev, bool enabled) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - - brcmf_dbg(SDIO, "Configuring WOWL, enabled=%d\n", enabled); - sdiodev->wowl_enabled = enabled; -} - -#ifdef CONFIG_PM_SLEEP -static int brcmf_ops_sdio_suspend(struct device *dev) -{ - struct sdio_func *func; - struct brcmf_bus *bus_if; - struct brcmf_sdio_dev *sdiodev; - mmc_pm_flag_t sdio_flags; - - func = container_of(dev, struct sdio_func, dev); - brcmf_dbg(SDIO, "Enter: F%d\n", func->num); - if (func->num != SDIO_FUNC_1) - return 0; - - - bus_if = dev_get_drvdata(dev); - sdiodev = bus_if->bus_priv.sdio; - - brcmf_sdiod_freezer_on(sdiodev); - brcmf_sdio_wd_timer(sdiodev->bus, 0); - - sdio_flags = MMC_PM_KEEP_POWER; - if (sdiodev->wowl_enabled) { - if (sdiodev->pdata->oob_irq_supported) - enable_irq_wake(sdiodev->pdata->oob_irq_nr); - else - sdio_flags |= MMC_PM_WAKE_SDIO_IRQ; - } - if (sdio_set_host_pm_flags(sdiodev->func[1], sdio_flags)) - brcmf_err("Failed to set pm_flags %x\n", sdio_flags); - return 0; -} - -static int brcmf_ops_sdio_resume(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct sdio_func *func = container_of(dev, struct sdio_func, dev); - - brcmf_dbg(SDIO, "Enter: F%d\n", func->num); - if (func->num != SDIO_FUNC_2) - return 0; - - brcmf_sdiod_freezer_off(sdiodev); - return 0; -} - -static const struct dev_pm_ops brcmf_sdio_pm_ops = { - .suspend = brcmf_ops_sdio_suspend, - .resume = brcmf_ops_sdio_resume, -}; -#endif /* CONFIG_PM_SLEEP */ - -static struct sdio_driver brcmf_sdmmc_driver = { - .probe = brcmf_ops_sdio_probe, - .remove = brcmf_ops_sdio_remove, - .name = BRCMFMAC_SDIO_PDATA_NAME, - .id_table = brcmf_sdmmc_ids, - .drv = { - .owner = THIS_MODULE, -#ifdef CONFIG_PM_SLEEP - .pm = &brcmf_sdio_pm_ops, -#endif /* CONFIG_PM_SLEEP */ - }, -}; - -static int __init brcmf_sdio_pd_probe(struct platform_device *pdev) -{ - brcmf_dbg(SDIO, "Enter\n"); - - brcmfmac_sdio_pdata = dev_get_platdata(&pdev->dev); - - if (brcmfmac_sdio_pdata->power_on) - brcmfmac_sdio_pdata->power_on(); - - return 0; -} - -static int brcmf_sdio_pd_remove(struct platform_device *pdev) -{ - brcmf_dbg(SDIO, "Enter\n"); - - if (brcmfmac_sdio_pdata->power_off) - brcmfmac_sdio_pdata->power_off(); - - sdio_unregister_driver(&brcmf_sdmmc_driver); - - return 0; -} - -static struct platform_driver brcmf_sdio_pd = { - .remove = brcmf_sdio_pd_remove, - .driver = { - .name = BRCMFMAC_SDIO_PDATA_NAME, - } -}; - -void brcmf_sdio_register(void) -{ - int ret; - - ret = sdio_register_driver(&brcmf_sdmmc_driver); - if (ret) - brcmf_err("sdio_register_driver failed: %d\n", ret); -} - -void brcmf_sdio_exit(void) -{ - brcmf_dbg(SDIO, "Enter\n"); - - if (brcmfmac_sdio_pdata) - platform_driver_unregister(&brcmf_sdio_pd); - else - sdio_unregister_driver(&brcmf_sdmmc_driver); -} - -void __init brcmf_sdio_init(void) -{ - int ret; - - brcmf_dbg(SDIO, "Enter\n"); - - ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe); - if (ret == -ENODEV) - brcmf_dbg(SDIO, "No platform data available.\n"); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c deleted file mode 100644 index 4e33f96b3dd1..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.c +++ /dev/null @@ -1,497 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/slab.h> -#include <linux/netdevice.h> -#include <net/cfg80211.h> - -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include <defs.h> -#include "core.h" -#include "debug.h" -#include "fwil.h" -#include "fwil_types.h" -#include "btcoex.h" -#include "p2p.h" -#include "cfg80211.h" - -/* T1 start SCO/eSCO priority suppression */ -#define BRCMF_BTCOEX_OPPR_WIN_TIME 2000 - -/* BT registers values during DHCP */ -#define BRCMF_BT_DHCP_REG50 0x8022 -#define BRCMF_BT_DHCP_REG51 0 -#define BRCMF_BT_DHCP_REG64 0 -#define BRCMF_BT_DHCP_REG65 0 -#define BRCMF_BT_DHCP_REG71 0 -#define BRCMF_BT_DHCP_REG66 0x2710 -#define BRCMF_BT_DHCP_REG41 0x33 -#define BRCMF_BT_DHCP_REG68 0x190 - -/* number of samples for SCO detection */ -#define BRCMF_BT_SCO_SAMPLES 12 - -/** -* enum brcmf_btcoex_state - BT coex DHCP state machine states -* @BRCMF_BT_DHCP_IDLE: DCHP is idle -* @BRCMF_BT_DHCP_START: DHCP started, wait before -* boosting wifi priority -* @BRCMF_BT_DHCP_OPPR_WIN: graceful DHCP opportunity ended, -* boost wifi priority -* @BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: wifi priority boost end, -* restore defaults -*/ -enum brcmf_btcoex_state { - BRCMF_BT_DHCP_IDLE, - BRCMF_BT_DHCP_START, - BRCMF_BT_DHCP_OPPR_WIN, - BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT -}; - -/** - * struct brcmf_btcoex_info - BT coex related information - * @vif: interface for which request was done. - * @timer: timer for DHCP state machine - * @timeout: configured timeout. - * @timer_on: DHCP timer active - * @dhcp_done: DHCP finished before T1/T2 timer expiration - * @bt_state: DHCP state machine state - * @work: DHCP state machine work - * @cfg: driver private data for cfg80211 interface - * @reg66: saved value of btc_params 66 - * @reg41: saved value of btc_params 41 - * @reg68: saved value of btc_params 68 - * @saved_regs_part1: flag indicating regs 66,41,68 - * have been saved - * @reg51: saved value of btc_params 51 - * @reg64: saved value of btc_params 64 - * @reg65: saved value of btc_params 65 - * @reg71: saved value of btc_params 71 - * @saved_regs_part1: flag indicating regs 50,51,64,65,71 - * have been saved - */ -struct brcmf_btcoex_info { - struct brcmf_cfg80211_vif *vif; - struct timer_list timer; - u16 timeout; - bool timer_on; - bool dhcp_done; - enum brcmf_btcoex_state bt_state; - struct work_struct work; - struct brcmf_cfg80211_info *cfg; - u32 reg66; - u32 reg41; - u32 reg68; - bool saved_regs_part1; - u32 reg50; - u32 reg51; - u32 reg64; - u32 reg65; - u32 reg71; - bool saved_regs_part2; -}; - -/** - * brcmf_btcoex_params_write() - write btc_params firmware variable - * @ifp: interface - * @addr: btc_params register number - * @data: data to write - */ -static s32 brcmf_btcoex_params_write(struct brcmf_if *ifp, u32 addr, u32 data) -{ - struct { - __le32 addr; - __le32 data; - } reg_write; - - reg_write.addr = cpu_to_le32(addr); - reg_write.data = cpu_to_le32(data); - return brcmf_fil_iovar_data_set(ifp, "btc_params", - ®_write, sizeof(reg_write)); -} - -/** - * brcmf_btcoex_params_read() - read btc_params firmware variable - * @ifp: interface - * @addr: btc_params register number - * @data: read data - */ -static s32 brcmf_btcoex_params_read(struct brcmf_if *ifp, u32 addr, u32 *data) -{ - *data = addr; - - return brcmf_fil_iovar_int_get(ifp, "btc_params", data); -} - -/** - * brcmf_btcoex_boost_wifi() - control BT SCO/eSCO parameters - * @btci: BT coex info - * @trump_sco: - * true - set SCO/eSCO parameters for compatibility - * during DHCP window - * false - restore saved parameter values - * - * Enhanced BT COEX settings for eSCO compatibility during DHCP window - */ -static void brcmf_btcoex_boost_wifi(struct brcmf_btcoex_info *btci, - bool trump_sco) -{ - struct brcmf_if *ifp = brcmf_get_ifp(btci->cfg->pub, 0); - - if (trump_sco && !btci->saved_regs_part2) { - /* this should reduce eSCO agressive - * retransmit w/o breaking it - */ - - /* save current */ - brcmf_dbg(INFO, "new SCO/eSCO coex algo {save & override}\n"); - brcmf_btcoex_params_read(ifp, 50, &btci->reg50); - brcmf_btcoex_params_read(ifp, 51, &btci->reg51); - brcmf_btcoex_params_read(ifp, 64, &btci->reg64); - brcmf_btcoex_params_read(ifp, 65, &btci->reg65); - brcmf_btcoex_params_read(ifp, 71, &btci->reg71); - - btci->saved_regs_part2 = true; - brcmf_dbg(INFO, - "saved bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", - btci->reg50, btci->reg51, btci->reg64, - btci->reg65, btci->reg71); - - /* pacify the eSco */ - brcmf_btcoex_params_write(ifp, 50, BRCMF_BT_DHCP_REG50); - brcmf_btcoex_params_write(ifp, 51, BRCMF_BT_DHCP_REG51); - brcmf_btcoex_params_write(ifp, 64, BRCMF_BT_DHCP_REG64); - brcmf_btcoex_params_write(ifp, 65, BRCMF_BT_DHCP_REG65); - brcmf_btcoex_params_write(ifp, 71, BRCMF_BT_DHCP_REG71); - - } else if (btci->saved_regs_part2) { - /* restore previously saved bt params */ - brcmf_dbg(INFO, "Do new SCO/eSCO coex algo {restore}\n"); - brcmf_btcoex_params_write(ifp, 50, btci->reg50); - brcmf_btcoex_params_write(ifp, 51, btci->reg51); - brcmf_btcoex_params_write(ifp, 64, btci->reg64); - brcmf_btcoex_params_write(ifp, 65, btci->reg65); - brcmf_btcoex_params_write(ifp, 71, btci->reg71); - - brcmf_dbg(INFO, - "restored bt_params[50,51,64,65,71]: 0x%x 0x%x 0x%x 0x%x 0x%x\n", - btci->reg50, btci->reg51, btci->reg64, - btci->reg65, btci->reg71); - - btci->saved_regs_part2 = false; - } else { - brcmf_dbg(INFO, "attempted to restore not saved BTCOEX params\n"); - } -} - -/** - * brcmf_btcoex_is_sco_active() - check if SCO/eSCO is active - * @ifp: interface - * - * return: true if SCO/eSCO session is active - */ -static bool brcmf_btcoex_is_sco_active(struct brcmf_if *ifp) -{ - int ioc_res = 0; - bool res = false; - int sco_id_cnt = 0; - u32 param27; - int i; - - for (i = 0; i < BRCMF_BT_SCO_SAMPLES; i++) { - ioc_res = brcmf_btcoex_params_read(ifp, 27, ¶m27); - - if (ioc_res < 0) { - brcmf_err("ioc read btc params error\n"); - break; - } - - brcmf_dbg(INFO, "sample[%d], btc_params 27:%x\n", i, param27); - - if ((param27 & 0x6) == 2) { /* count both sco & esco */ - sco_id_cnt++; - } - - if (sco_id_cnt > 2) { - brcmf_dbg(INFO, - "sco/esco detected, pkt id_cnt:%d samples:%d\n", - sco_id_cnt, i); - res = true; - break; - } - } - brcmf_dbg(TRACE, "exit: result=%d\n", res); - return res; -} - -/** - * btcmf_btcoex_save_part1() - save first step parameters. - */ -static void btcmf_btcoex_save_part1(struct brcmf_btcoex_info *btci) -{ - struct brcmf_if *ifp = btci->vif->ifp; - - if (!btci->saved_regs_part1) { - /* Retrieve and save original reg value */ - brcmf_btcoex_params_read(ifp, 66, &btci->reg66); - brcmf_btcoex_params_read(ifp, 41, &btci->reg41); - brcmf_btcoex_params_read(ifp, 68, &btci->reg68); - btci->saved_regs_part1 = true; - brcmf_dbg(INFO, - "saved btc_params regs (66,41,68) 0x%x 0x%x 0x%x\n", - btci->reg66, btci->reg41, - btci->reg68); - } -} - -/** - * brcmf_btcoex_restore_part1() - restore first step parameters. - */ -static void brcmf_btcoex_restore_part1(struct brcmf_btcoex_info *btci) -{ - struct brcmf_if *ifp; - - if (btci->saved_regs_part1) { - btci->saved_regs_part1 = false; - ifp = btci->vif->ifp; - brcmf_btcoex_params_write(ifp, 66, btci->reg66); - brcmf_btcoex_params_write(ifp, 41, btci->reg41); - brcmf_btcoex_params_write(ifp, 68, btci->reg68); - brcmf_dbg(INFO, - "restored btc_params regs {66,41,68} 0x%x 0x%x 0x%x\n", - btci->reg66, btci->reg41, - btci->reg68); - } -} - -/** - * brcmf_btcoex_timerfunc() - BT coex timer callback - */ -static void brcmf_btcoex_timerfunc(ulong data) -{ - struct brcmf_btcoex_info *bt_local = (struct brcmf_btcoex_info *)data; - brcmf_dbg(TRACE, "enter\n"); - - bt_local->timer_on = false; - schedule_work(&bt_local->work); -} - -/** - * brcmf_btcoex_handler() - BT coex state machine work handler - * @work: work - */ -static void brcmf_btcoex_handler(struct work_struct *work) -{ - struct brcmf_btcoex_info *btci; - btci = container_of(work, struct brcmf_btcoex_info, work); - if (btci->timer_on) { - btci->timer_on = false; - del_timer_sync(&btci->timer); - } - - switch (btci->bt_state) { - case BRCMF_BT_DHCP_START: - /* DHCP started provide OPPORTUNITY window - to get DHCP address - */ - brcmf_dbg(INFO, "DHCP started\n"); - btci->bt_state = BRCMF_BT_DHCP_OPPR_WIN; - if (btci->timeout < BRCMF_BTCOEX_OPPR_WIN_TIME) { - mod_timer(&btci->timer, btci->timer.expires); - } else { - btci->timeout -= BRCMF_BTCOEX_OPPR_WIN_TIME; - mod_timer(&btci->timer, - jiffies + - msecs_to_jiffies(BRCMF_BTCOEX_OPPR_WIN_TIME)); - } - btci->timer_on = true; - break; - - case BRCMF_BT_DHCP_OPPR_WIN: - if (btci->dhcp_done) { - brcmf_dbg(INFO, "DHCP done before T1 expiration\n"); - goto idle; - } - - /* DHCP is not over yet, start lowering BT priority */ - brcmf_dbg(INFO, "DHCP T1:%d expired\n", - BRCMF_BTCOEX_OPPR_WIN_TIME); - brcmf_btcoex_boost_wifi(btci, true); - - btci->bt_state = BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT; - mod_timer(&btci->timer, - jiffies + msecs_to_jiffies(btci->timeout)); - btci->timer_on = true; - break; - - case BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT: - if (btci->dhcp_done) - brcmf_dbg(INFO, "DHCP done before T2 expiration\n"); - else - brcmf_dbg(INFO, "DHCP T2:%d expired\n", - BRCMF_BT_DHCP_FLAG_FORCE_TIMEOUT); - - goto idle; - - default: - brcmf_err("invalid state=%d !!!\n", btci->bt_state); - goto idle; - } - - return; - -idle: - btci->bt_state = BRCMF_BT_DHCP_IDLE; - btci->timer_on = false; - brcmf_btcoex_boost_wifi(btci, false); - cfg80211_crit_proto_stopped(&btci->vif->wdev, GFP_KERNEL); - brcmf_btcoex_restore_part1(btci); - btci->vif = NULL; -} - -/** - * brcmf_btcoex_attach() - initialize BT coex data - * @cfg: driver private cfg80211 data - * - * return: 0 on success - */ -int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_btcoex_info *btci = NULL; - brcmf_dbg(TRACE, "enter\n"); - - btci = kmalloc(sizeof(struct brcmf_btcoex_info), GFP_KERNEL); - if (!btci) - return -ENOMEM; - - btci->bt_state = BRCMF_BT_DHCP_IDLE; - - /* Set up timer for BT */ - btci->timer_on = false; - btci->timeout = BRCMF_BTCOEX_OPPR_WIN_TIME; - init_timer(&btci->timer); - btci->timer.data = (ulong)btci; - btci->timer.function = brcmf_btcoex_timerfunc; - btci->cfg = cfg; - btci->saved_regs_part1 = false; - btci->saved_regs_part2 = false; - - INIT_WORK(&btci->work, brcmf_btcoex_handler); - - cfg->btcoex = btci; - return 0; -} - -/** - * brcmf_btcoex_detach - clean BT coex data - * @cfg: driver private cfg80211 data - */ -void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg) -{ - brcmf_dbg(TRACE, "enter\n"); - - if (!cfg->btcoex) - return; - - if (cfg->btcoex->timer_on) { - cfg->btcoex->timer_on = false; - del_timer_sync(&cfg->btcoex->timer); - } - - cancel_work_sync(&cfg->btcoex->work); - - brcmf_btcoex_boost_wifi(cfg->btcoex, false); - brcmf_btcoex_restore_part1(cfg->btcoex); - - kfree(cfg->btcoex); - cfg->btcoex = NULL; -} - -static void brcmf_btcoex_dhcp_start(struct brcmf_btcoex_info *btci) -{ - struct brcmf_if *ifp = btci->vif->ifp; - - btcmf_btcoex_save_part1(btci); - /* set new regs values */ - brcmf_btcoex_params_write(ifp, 66, BRCMF_BT_DHCP_REG66); - brcmf_btcoex_params_write(ifp, 41, BRCMF_BT_DHCP_REG41); - brcmf_btcoex_params_write(ifp, 68, BRCMF_BT_DHCP_REG68); - btci->dhcp_done = false; - btci->bt_state = BRCMF_BT_DHCP_START; - schedule_work(&btci->work); - brcmf_dbg(TRACE, "enable BT DHCP Timer\n"); -} - -static void brcmf_btcoex_dhcp_end(struct brcmf_btcoex_info *btci) -{ - /* Stop any bt timer because DHCP session is done */ - btci->dhcp_done = true; - if (btci->timer_on) { - brcmf_dbg(INFO, "disable BT DHCP Timer\n"); - btci->timer_on = false; - del_timer_sync(&btci->timer); - - /* schedule worker if transition to IDLE is needed */ - if (btci->bt_state != BRCMF_BT_DHCP_IDLE) { - brcmf_dbg(INFO, "bt_state:%d\n", - btci->bt_state); - schedule_work(&btci->work); - } - } else { - /* Restore original values */ - brcmf_btcoex_restore_part1(btci); - } -} - -/** - * brcmf_btcoex_set_mode - set BT coex mode - * @cfg: driver private cfg80211 data - * @mode: Wifi-Bluetooth coexistence mode - * - * return: 0 on success - */ -int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, - enum brcmf_btcoex_mode mode, u16 duration) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(vif->wdev.wiphy); - struct brcmf_btcoex_info *btci = cfg->btcoex; - struct brcmf_if *ifp = brcmf_get_ifp(cfg->pub, 0); - - switch (mode) { - case BRCMF_BTCOEX_DISABLED: - brcmf_dbg(INFO, "DHCP session starts\n"); - if (btci->bt_state != BRCMF_BT_DHCP_IDLE) - return -EBUSY; - /* Start BT timer only for SCO connection */ - if (brcmf_btcoex_is_sco_active(ifp)) { - btci->timeout = duration; - btci->vif = vif; - brcmf_btcoex_dhcp_start(btci); - } - break; - - case BRCMF_BTCOEX_ENABLED: - brcmf_dbg(INFO, "DHCP session ends\n"); - if (btci->bt_state != BRCMF_BT_DHCP_IDLE && - vif == btci->vif) { - brcmf_btcoex_dhcp_end(btci); - } - break; - default: - brcmf_dbg(INFO, "Unknown mode, ignored\n"); - } - return 0; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h b/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h deleted file mode 100644 index 19647c68aa9e..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/btcoex.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef WL_BTCOEX_H_ -#define WL_BTCOEX_H_ - -enum brcmf_btcoex_mode { - BRCMF_BTCOEX_DISABLED, - BRCMF_BTCOEX_ENABLED -}; - -int brcmf_btcoex_attach(struct brcmf_cfg80211_info *cfg); -void brcmf_btcoex_detach(struct brcmf_cfg80211_info *cfg); -int brcmf_btcoex_set_mode(struct brcmf_cfg80211_vif *vif, - enum brcmf_btcoex_mode mode, u16 duration); - -#endif /* WL_BTCOEX_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bus.h b/drivers/net/wireless/brcm80211/brcmfmac/bus.h deleted file mode 100644 index 230cad788ace..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/bus.h +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef BRCMFMAC_BUS_H -#define BRCMFMAC_BUS_H - -#include "debug.h" - -/* IDs of the 6 default common rings of msgbuf protocol */ -#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT 0 -#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT 1 -#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE 2 -#define BRCMF_D2H_MSGRING_TX_COMPLETE 3 -#define BRCMF_D2H_MSGRING_RX_COMPLETE 4 - -#define BRCMF_NROF_H2D_COMMON_MSGRINGS 2 -#define BRCMF_NROF_D2H_COMMON_MSGRINGS 3 -#define BRCMF_NROF_COMMON_MSGRINGS (BRCMF_NROF_H2D_COMMON_MSGRINGS + \ - BRCMF_NROF_D2H_COMMON_MSGRINGS) - -/* The level of bus communication with the dongle */ -enum brcmf_bus_state { - BRCMF_BUS_DOWN, /* Not ready for frame transfers */ - BRCMF_BUS_UP /* Ready for frame transfers */ -}; - -/* The level of bus communication with the dongle */ -enum brcmf_bus_protocol_type { - BRCMF_PROTO_BCDC, - BRCMF_PROTO_MSGBUF -}; - -struct brcmf_bus_dcmd { - char *name; - char *param; - int param_len; - struct list_head list; -}; - -/** - * struct brcmf_bus_ops - bus callback operations. - * - * @preinit: execute bus/device specific dongle init commands (optional). - * @init: prepare for communication with dongle. - * @stop: clear pending frames, disable data flow. - * @txdata: send a data frame to the dongle. When the data - * has been transferred, the common driver must be - * notified using brcmf_txcomplete(). The common - * driver calls this function with interrupts - * disabled. - * @txctl: transmit a control request message to dongle. - * @rxctl: receive a control response message from dongle. - * @gettxq: obtain a reference of bus transmit queue (optional). - * @wowl_config: specify if dongle is configured for wowl when going to suspend - * @get_ramsize: obtain size of device memory. - * @get_memdump: obtain device memory dump in provided buffer. - * - * This structure provides an abstract interface towards the - * bus specific driver. For control messages to common driver - * will assure there is only one active transaction. Unless - * indicated otherwise these callbacks are mandatory. - */ -struct brcmf_bus_ops { - int (*preinit)(struct device *dev); - void (*stop)(struct device *dev); - int (*txdata)(struct device *dev, struct sk_buff *skb); - int (*txctl)(struct device *dev, unsigned char *msg, uint len); - int (*rxctl)(struct device *dev, unsigned char *msg, uint len); - struct pktq * (*gettxq)(struct device *dev); - void (*wowl_config)(struct device *dev, bool enabled); - size_t (*get_ramsize)(struct device *dev); - int (*get_memdump)(struct device *dev, void *data, size_t len); -}; - - -/** - * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf. - * - * @commonrings: commonrings which are always there. - * @flowrings: commonrings which are dynamically created and destroyed for data. - * @rx_dataoffset: if set then all rx data has this this offset. - * @max_rxbufpost: maximum number of buffers to post for rx. - * @nrof_flowrings: number of flowrings. - */ -struct brcmf_bus_msgbuf { - struct brcmf_commonring *commonrings[BRCMF_NROF_COMMON_MSGRINGS]; - struct brcmf_commonring **flowrings; - u32 rx_dataoffset; - u32 max_rxbufpost; - u32 nrof_flowrings; -}; - - -/** - * struct brcmf_bus - interface structure between common and bus layer - * - * @bus_priv: pointer to private bus device. - * @proto_type: protocol type, bcdc or msgbuf - * @dev: device pointer of bus device. - * @drvr: public driver information. - * @state: operational state of the bus interface. - * @maxctl: maximum size for rxctl request message. - * @tx_realloc: number of tx packets realloced for headroom. - * @dstats: dongle-based statistical data. - * @dcmd_list: bus/device specific dongle initialization commands. - * @chip: device identifier of the dongle chip. - * @wowl_supported: is wowl supported by bus driver. - * @chiprev: revision of the dongle chip. - */ -struct brcmf_bus { - union { - struct brcmf_sdio_dev *sdio; - struct brcmf_usbdev *usb; - struct brcmf_pciedev *pcie; - } bus_priv; - enum brcmf_bus_protocol_type proto_type; - struct device *dev; - struct brcmf_pub *drvr; - enum brcmf_bus_state state; - uint maxctl; - unsigned long tx_realloc; - u32 chip; - u32 chiprev; - bool always_use_fws_queue; - bool wowl_supported; - - struct brcmf_bus_ops *ops; - struct brcmf_bus_msgbuf *msgbuf; -}; - -/* - * callback wrappers - */ -static inline int brcmf_bus_preinit(struct brcmf_bus *bus) -{ - if (!bus->ops->preinit) - return 0; - return bus->ops->preinit(bus->dev); -} - -static inline void brcmf_bus_stop(struct brcmf_bus *bus) -{ - bus->ops->stop(bus->dev); -} - -static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb) -{ - return bus->ops->txdata(bus->dev, skb); -} - -static inline -int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len) -{ - return bus->ops->txctl(bus->dev, msg, len); -} - -static inline -int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len) -{ - return bus->ops->rxctl(bus->dev, msg, len); -} - -static inline -struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus) -{ - if (!bus->ops->gettxq) - return ERR_PTR(-ENOENT); - - return bus->ops->gettxq(bus->dev); -} - -static inline -void brcmf_bus_wowl_config(struct brcmf_bus *bus, bool enabled) -{ - if (bus->ops->wowl_config) - bus->ops->wowl_config(bus->dev, enabled); -} - -static inline size_t brcmf_bus_get_ramsize(struct brcmf_bus *bus) -{ - if (!bus->ops->get_ramsize) - return 0; - - return bus->ops->get_ramsize(bus->dev); -} - -static inline -int brcmf_bus_get_memdump(struct brcmf_bus *bus, void *data, size_t len) -{ - if (!bus->ops->get_memdump) - return -EOPNOTSUPP; - - return bus->ops->get_memdump(bus->dev, data, len); -} - -/* - * interface functions from common layer - */ - -bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, struct sk_buff *pkt, - int prec); - -/* Receive frame for delivery to OS. Callee disposes of rxp. */ -void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp); - -/* Indication from bus module regarding presence/insertion of dongle. */ -int brcmf_attach(struct device *dev); -/* Indication from bus module regarding removal/absence of dongle */ -void brcmf_detach(struct device *dev); -/* Indication from bus module that dongle should be reset */ -void brcmf_dev_reset(struct device *dev); -/* Indication from bus module to change flow-control state */ -void brcmf_txflowblock(struct device *dev, bool state); - -/* Notify the bus has transferred the tx packet to firmware */ -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success); - -/* Configure the "global" bus state used by upper layers */ -void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state); - -int brcmf_bus_start(struct device *dev); -s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len); -void brcmf_bus_add_txhdrlen(struct device *dev, uint len); - -#ifdef CONFIG_BRCMFMAC_SDIO -void brcmf_sdio_exit(void); -void brcmf_sdio_init(void); -void brcmf_sdio_register(void); -#endif -#ifdef CONFIG_BRCMFMAC_USB -void brcmf_usb_exit(void); -void brcmf_usb_register(void); -#endif - -#endif /* BRCMFMAC_BUS_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c deleted file mode 100644 index deb5f78dcacc..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ /dev/null @@ -1,6357 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ - -#include <linux/kernel.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <linux/vmalloc.h> -#include <net/cfg80211.h> -#include <net/netlink.h> - -#include <brcmu_utils.h> -#include <defs.h> -#include <brcmu_wifi.h> -#include "core.h" -#include "debug.h" -#include "tracepoint.h" -#include "fwil_types.h" -#include "p2p.h" -#include "btcoex.h" -#include "cfg80211.h" -#include "feature.h" -#include "fwil.h" -#include "proto.h" -#include "vendor.h" -#include "bus.h" -#include "common.h" - -#define BRCMF_SCAN_IE_LEN_MAX 2048 -#define BRCMF_PNO_VERSION 2 -#define BRCMF_PNO_TIME 30 -#define BRCMF_PNO_REPEAT 4 -#define BRCMF_PNO_FREQ_EXPO_MAX 3 -#define BRCMF_PNO_MAX_PFN_COUNT 16 -#define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6 -#define BRCMF_PNO_HIDDEN_BIT 2 -#define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF -#define BRCMF_PNO_SCAN_COMPLETE 1 -#define BRCMF_PNO_SCAN_INCOMPLETE 0 - -#define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ -#define WPA_OUI_TYPE 1 -#define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ -#define WME_OUI_TYPE 2 -#define WPS_OUI_TYPE 4 - -#define VS_IE_FIXED_HDR_LEN 6 -#define WPA_IE_VERSION_LEN 2 -#define WPA_IE_MIN_OUI_LEN 4 -#define WPA_IE_SUITE_COUNT_LEN 2 - -#define WPA_CIPHER_NONE 0 /* None */ -#define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ -#define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ -#define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ -#define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ - -#define RSN_AKM_NONE 0 /* None (IBSS) */ -#define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ -#define RSN_AKM_PSK 2 /* Pre-shared Key */ -#define RSN_CAP_LEN 2 /* Length of RSN capabilities */ -#define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C - -#define VNDR_IE_CMD_LEN 4 /* length of the set command - * string :"add", "del" (+ NUL) - */ -#define VNDR_IE_COUNT_OFFSET 4 -#define VNDR_IE_PKTFLAG_OFFSET 8 -#define VNDR_IE_VSIE_OFFSET 12 -#define VNDR_IE_HDR_SIZE 12 -#define VNDR_IE_PARSE_LIMIT 5 - -#define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ -#define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ - -#define BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS 320 -#define BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS 400 -#define BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS 20 - -#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ - (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) - -static bool check_vif_up(struct brcmf_cfg80211_vif *vif) -{ - if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) { - brcmf_dbg(INFO, "device is not ready : status (%lu)\n", - vif->sme_state); - return false; - } - return true; -} - -#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) -#define RATETAB_ENT(_rateid, _flags) \ - { \ - .bitrate = RATE_TO_BASE100KBPS(_rateid), \ - .hw_value = (_rateid), \ - .flags = (_flags), \ - } - -static struct ieee80211_rate __wl_rates[] = { - RATETAB_ENT(BRCM_RATE_1M, 0), - RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), - RATETAB_ENT(BRCM_RATE_6M, 0), - RATETAB_ENT(BRCM_RATE_9M, 0), - RATETAB_ENT(BRCM_RATE_12M, 0), - RATETAB_ENT(BRCM_RATE_18M, 0), - RATETAB_ENT(BRCM_RATE_24M, 0), - RATETAB_ENT(BRCM_RATE_36M, 0), - RATETAB_ENT(BRCM_RATE_48M, 0), - RATETAB_ENT(BRCM_RATE_54M, 0), -}; - -#define wl_g_rates (__wl_rates + 0) -#define wl_g_rates_size ARRAY_SIZE(__wl_rates) -#define wl_a_rates (__wl_rates + 4) -#define wl_a_rates_size (wl_g_rates_size - 4) - -#define CHAN2G(_channel, _freq) { \ - .band = IEEE80211_BAND_2GHZ, \ - .center_freq = (_freq), \ - .hw_value = (_channel), \ - .flags = IEEE80211_CHAN_DISABLED, \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -#define CHAN5G(_channel) { \ - .band = IEEE80211_BAND_5GHZ, \ - .center_freq = 5000 + (5 * (_channel)), \ - .hw_value = (_channel), \ - .flags = IEEE80211_CHAN_DISABLED, \ - .max_antenna_gain = 0, \ - .max_power = 30, \ -} - -static struct ieee80211_channel __wl_2ghz_channels[] = { - CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), - CHAN2G(5, 2432), CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), - CHAN2G(9, 2452), CHAN2G(10, 2457), CHAN2G(11, 2462), CHAN2G(12, 2467), - CHAN2G(13, 2472), CHAN2G(14, 2484) -}; - -static struct ieee80211_channel __wl_5ghz_channels[] = { - CHAN5G(34), CHAN5G(36), CHAN5G(38), CHAN5G(40), CHAN5G(42), - CHAN5G(44), CHAN5G(46), CHAN5G(48), CHAN5G(52), CHAN5G(56), - CHAN5G(60), CHAN5G(64), CHAN5G(100), CHAN5G(104), CHAN5G(108), - CHAN5G(112), CHAN5G(116), CHAN5G(120), CHAN5G(124), CHAN5G(128), - CHAN5G(132), CHAN5G(136), CHAN5G(140), CHAN5G(144), CHAN5G(149), - CHAN5G(153), CHAN5G(157), CHAN5G(161), CHAN5G(165) -}; - -/* Band templates duplicated per wiphy. The channel info - * above is added to the band during setup. - */ -static const struct ieee80211_supported_band __wl_band_2ghz = { - .band = IEEE80211_BAND_2GHZ, - .bitrates = wl_g_rates, - .n_bitrates = wl_g_rates_size, -}; - -static const struct ieee80211_supported_band __wl_band_5ghz = { - .band = IEEE80211_BAND_5GHZ, - .bitrates = wl_a_rates, - .n_bitrates = wl_a_rates_size, -}; - -/* This is to override regulatory domains defined in cfg80211 module (reg.c) - * By default world regulatory domain defined in reg.c puts the flags - * NL80211_RRF_NO_IR for 5GHz channels (for * 36..48 and 149..165). - * With respect to these flags, wpa_supplicant doesn't * start p2p - * operations on 5GHz channels. All the changes in world regulatory - * domain are to be done here. - */ -static const struct ieee80211_regdomain brcmf_regdom = { - .n_reg_rules = 4, - .alpha2 = "99", - .reg_rules = { - /* IEEE 802.11b/g, channels 1..11 */ - REG_RULE(2412-10, 2472+10, 40, 6, 20, 0), - /* If any */ - /* IEEE 802.11 channel 14 - Only JP enables - * this and for 802.11b only - */ - REG_RULE(2484-10, 2484+10, 20, 6, 20, 0), - /* IEEE 802.11a, channel 36..64 */ - REG_RULE(5150-10, 5350+10, 80, 6, 20, 0), - /* IEEE 802.11a, channel 100..165 */ - REG_RULE(5470-10, 5850+10, 80, 6, 20, 0), } -}; - -static const u32 __wl_cipher_suites[] = { - WLAN_CIPHER_SUITE_WEP40, - WLAN_CIPHER_SUITE_WEP104, - WLAN_CIPHER_SUITE_TKIP, - WLAN_CIPHER_SUITE_CCMP, - WLAN_CIPHER_SUITE_AES_CMAC, -}; - -/* Vendor specific ie. id = 221, oui and type defines exact ie */ -struct brcmf_vs_tlv { - u8 id; - u8 len; - u8 oui[3]; - u8 oui_type; -}; - -struct parsed_vndr_ie_info { - u8 *ie_ptr; - u32 ie_len; /* total length including id & length field */ - struct brcmf_vs_tlv vndrie; -}; - -struct parsed_vndr_ies { - u32 count; - struct parsed_vndr_ie_info ie_info[VNDR_IE_PARSE_LIMIT]; -}; - -static int brcmf_roamoff; -module_param_named(roamoff, brcmf_roamoff, int, S_IRUSR); -MODULE_PARM_DESC(roamoff, "do not use internal roaming engine"); - - -static u16 chandef_to_chanspec(struct brcmu_d11inf *d11inf, - struct cfg80211_chan_def *ch) -{ - struct brcmu_chan ch_inf; - s32 primary_offset; - - brcmf_dbg(TRACE, "chandef: control %d center %d width %d\n", - ch->chan->center_freq, ch->center_freq1, ch->width); - ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq1); - primary_offset = ch->center_freq1 - ch->chan->center_freq; - switch (ch->width) { - case NL80211_CHAN_WIDTH_20: - case NL80211_CHAN_WIDTH_20_NOHT: - ch_inf.bw = BRCMU_CHAN_BW_20; - WARN_ON(primary_offset != 0); - break; - case NL80211_CHAN_WIDTH_40: - ch_inf.bw = BRCMU_CHAN_BW_40; - if (primary_offset < 0) - ch_inf.sb = BRCMU_CHAN_SB_U; - else - ch_inf.sb = BRCMU_CHAN_SB_L; - break; - case NL80211_CHAN_WIDTH_80: - ch_inf.bw = BRCMU_CHAN_BW_80; - if (primary_offset < 0) { - if (primary_offset < -CH_10MHZ_APART) - ch_inf.sb = BRCMU_CHAN_SB_UU; - else - ch_inf.sb = BRCMU_CHAN_SB_UL; - } else { - if (primary_offset > CH_10MHZ_APART) - ch_inf.sb = BRCMU_CHAN_SB_LL; - else - ch_inf.sb = BRCMU_CHAN_SB_LU; - } - break; - case NL80211_CHAN_WIDTH_80P80: - case NL80211_CHAN_WIDTH_160: - case NL80211_CHAN_WIDTH_5: - case NL80211_CHAN_WIDTH_10: - default: - WARN_ON_ONCE(1); - } - switch (ch->chan->band) { - case IEEE80211_BAND_2GHZ: - ch_inf.band = BRCMU_CHAN_BAND_2G; - break; - case IEEE80211_BAND_5GHZ: - ch_inf.band = BRCMU_CHAN_BAND_5G; - break; - case IEEE80211_BAND_60GHZ: - default: - WARN_ON_ONCE(1); - } - d11inf->encchspec(&ch_inf); - - return ch_inf.chspec; -} - -u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, - struct ieee80211_channel *ch) -{ - struct brcmu_chan ch_inf; - - ch_inf.chnum = ieee80211_frequency_to_channel(ch->center_freq); - ch_inf.bw = BRCMU_CHAN_BW_20; - d11inf->encchspec(&ch_inf); - - return ch_inf.chspec; -} - -/* Traverse a string of 1-byte tag/1-byte length/variable-length value - * triples, returning a pointer to the substring whose first element - * matches tag - */ -const struct brcmf_tlv * -brcmf_parse_tlvs(const void *buf, int buflen, uint key) -{ - const struct brcmf_tlv *elt = buf; - int totlen = buflen; - - /* find tagged parameter */ - while (totlen >= TLV_HDR_LEN) { - int len = elt->len; - - /* validate remaining totlen */ - if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) - return elt; - - elt = (struct brcmf_tlv *)((u8 *)elt + (len + TLV_HDR_LEN)); - totlen -= (len + TLV_HDR_LEN); - } - - return NULL; -} - -/* Is any of the tlvs the expected entry? If - * not update the tlvs buffer pointer/length. - */ -static bool -brcmf_tlv_has_ie(const u8 *ie, const u8 **tlvs, u32 *tlvs_len, - const u8 *oui, u32 oui_len, u8 type) -{ - /* If the contents match the OUI and the type */ - if (ie[TLV_LEN_OFF] >= oui_len + 1 && - !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && - type == ie[TLV_BODY_OFF + oui_len]) { - return true; - } - - if (tlvs == NULL) - return false; - /* point to the next ie */ - ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; - /* calculate the length of the rest of the buffer */ - *tlvs_len -= (int)(ie - *tlvs); - /* update the pointer to the start of the buffer */ - *tlvs = ie; - - return false; -} - -static struct brcmf_vs_tlv * -brcmf_find_wpaie(const u8 *parse, u32 len) -{ - const struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { - if (brcmf_tlv_has_ie((const u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - -static struct brcmf_vs_tlv * -brcmf_find_wpsie(const u8 *parse, u32 len) -{ - const struct brcmf_tlv *ie; - - while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_VENDOR_SPECIFIC))) { - if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, - WPA_OUI, TLV_OUI_LEN, WPS_OUI_TYPE)) - return (struct brcmf_vs_tlv *)ie; - } - return NULL; -} - -static int brcmf_vif_change_validate(struct brcmf_cfg80211_info *cfg, - struct brcmf_cfg80211_vif *vif, - enum nl80211_iftype new_type) -{ - int iftype_num[NUM_NL80211_IFTYPES]; - struct brcmf_cfg80211_vif *pos; - - memset(&iftype_num[0], 0, sizeof(iftype_num)); - list_for_each_entry(pos, &cfg->vif_list, list) - if (pos == vif) - iftype_num[new_type]++; - else - iftype_num[pos->wdev.iftype]++; - - return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); -} - -static int brcmf_vif_add_validate(struct brcmf_cfg80211_info *cfg, - enum nl80211_iftype new_type) -{ - int iftype_num[NUM_NL80211_IFTYPES]; - struct brcmf_cfg80211_vif *pos; - - memset(&iftype_num[0], 0, sizeof(iftype_num)); - list_for_each_entry(pos, &cfg->vif_list, list) - iftype_num[pos->wdev.iftype]++; - - iftype_num[new_type]++; - return cfg80211_check_combinations(cfg->wiphy, 1, 0, iftype_num); -} - -static void convert_key_from_CPU(struct brcmf_wsec_key *key, - struct brcmf_wsec_key_le *key_le) -{ - key_le->index = cpu_to_le32(key->index); - key_le->len = cpu_to_le32(key->len); - key_le->algo = cpu_to_le32(key->algo); - key_le->flags = cpu_to_le32(key->flags); - key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); - key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); - key_le->iv_initialized = cpu_to_le32(key->iv_initialized); - memcpy(key_le->data, key->data, sizeof(key->data)); - memcpy(key_le->ea, key->ea, sizeof(key->ea)); -} - -static int -send_key_to_dongle(struct brcmf_if *ifp, struct brcmf_wsec_key *key) -{ - int err; - struct brcmf_wsec_key_le key_le; - - convert_key_from_CPU(key, &key_le); - - brcmf_netdev_wait_pend8021x(ifp); - - err = brcmf_fil_bsscfg_data_set(ifp, "wsec_key", &key_le, - sizeof(key_le)); - - if (err) - brcmf_err("wsec_key error (%d)\n", err); - return err; -} - -static s32 -brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable) -{ - s32 err; - u32 mode; - - if (enable) - mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY; - else - mode = 0; - - /* Try to set and enable ARP offload feature, this may fail, then it */ - /* is simply not supported and err 0 will be returned */ - err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode); - if (err) { - brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n", - mode, err); - err = 0; - } else { - err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable); - if (err) { - brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n", - enable, err); - err = 0; - } else - brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n", - enable, mode); - } - - return err; -} - -static void -brcmf_cfg80211_update_proto_addr_mode(struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - ifp = vif->ifp; - - if ((wdev->iftype == NL80211_IFTYPE_ADHOC) || - (wdev->iftype == NL80211_IFTYPE_AP) || - (wdev->iftype == NL80211_IFTYPE_P2P_GO)) - brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, - ADDR_DIRECT); - else - brcmf_proto_configure_addr_mode(ifp->drvr, ifp->ifidx, - ADDR_INDIRECT); -} - -static int brcmf_cfg80211_request_ap_if(struct brcmf_if *ifp) -{ - struct brcmf_mbss_ssid_le mbss_ssid_le; - int bsscfgidx; - int err; - - memset(&mbss_ssid_le, 0, sizeof(mbss_ssid_le)); - bsscfgidx = brcmf_get_next_free_bsscfgidx(ifp->drvr); - if (bsscfgidx < 0) - return bsscfgidx; - - mbss_ssid_le.bsscfgidx = cpu_to_le32(bsscfgidx); - mbss_ssid_le.SSID_len = cpu_to_le32(5); - sprintf(mbss_ssid_le.SSID, "ssid%d" , bsscfgidx); - - err = brcmf_fil_bsscfg_data_set(ifp, "bsscfg:ssid", &mbss_ssid_le, - sizeof(mbss_ssid_le)); - if (err < 0) - brcmf_err("setting ssid failed %d\n", err); - - return err; -} - -/** - * brcmf_ap_add_vif() - create a new AP virtual interface for multiple BSS - * - * @wiphy: wiphy device of new interface. - * @name: name of the new interface. - * @flags: not used. - * @params: contains mac address for AP device. - */ -static -struct wireless_dev *brcmf_ap_add_vif(struct wiphy *wiphy, const char *name, - u32 *flags, struct vif_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct brcmf_cfg80211_vif *vif; - int err; - - if (brcmf_cfg80211_vif_event_armed(cfg)) - return ERR_PTR(-EBUSY); - - brcmf_dbg(INFO, "Adding vif \"%s\"\n", name); - - vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_AP, false); - if (IS_ERR(vif)) - return (struct wireless_dev *)vif; - - brcmf_cfg80211_arm_vif_event(cfg, vif); - - err = brcmf_cfg80211_request_ap_if(ifp); - if (err) { - brcmf_cfg80211_arm_vif_event(cfg, NULL); - goto fail; - } - - /* wait for firmware event */ - err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD, - msecs_to_jiffies(1500)); - brcmf_cfg80211_arm_vif_event(cfg, NULL); - if (!err) { - brcmf_err("timeout occurred\n"); - err = -EIO; - goto fail; - } - - /* interface created in firmware */ - ifp = vif->ifp; - if (!ifp) { - brcmf_err("no if pointer provided\n"); - err = -ENOENT; - goto fail; - } - - strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); - err = brcmf_net_attach(ifp, true); - if (err) { - brcmf_err("Registering netdevice failed\n"); - goto fail; - } - - return &ifp->vif->wdev; - -fail: - brcmf_free_vif(vif); - return ERR_PTR(err); -} - -static bool brcmf_is_apmode(struct brcmf_cfg80211_vif *vif) -{ - enum nl80211_iftype iftype; - - iftype = vif->wdev.iftype; - return iftype == NL80211_IFTYPE_AP || iftype == NL80211_IFTYPE_P2P_GO; -} - -static bool brcmf_is_ibssmode(struct brcmf_cfg80211_vif *vif) -{ - return vif->wdev.iftype == NL80211_IFTYPE_ADHOC; -} - -static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy, - const char *name, - unsigned char name_assign_type, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) -{ - struct wireless_dev *wdev; - int err; - - brcmf_dbg(TRACE, "enter: %s type %d\n", name, type); - err = brcmf_vif_add_validate(wiphy_to_cfg(wiphy), type); - if (err) { - brcmf_err("iface validation failed: err=%d\n", err); - return ERR_PTR(err); - } - switch (type) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_WDS: - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_MESH_POINT: - return ERR_PTR(-EOPNOTSUPP); - case NL80211_IFTYPE_AP: - wdev = brcmf_ap_add_vif(wiphy, name, flags, params); - if (!IS_ERR(wdev)) - brcmf_cfg80211_update_proto_addr_mode(wdev); - return wdev; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_P2P_DEVICE: - wdev = brcmf_p2p_add_vif(wiphy, name, name_assign_type, type, flags, params); - if (!IS_ERR(wdev)) - brcmf_cfg80211_update_proto_addr_mode(wdev); - return wdev; - case NL80211_IFTYPE_UNSPECIFIED: - default: - return ERR_PTR(-EINVAL); - } -} - -static void brcmf_scan_config_mpc(struct brcmf_if *ifp, int mpc) -{ - if (brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_NEED_MPC)) - brcmf_set_mpc(ifp, mpc); -} - -void brcmf_set_mpc(struct brcmf_if *ifp, int mpc) -{ - s32 err = 0; - - if (check_vif_up(ifp->vif)) { - err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc); - if (err) { - brcmf_err("fail to set mpc\n"); - return; - } - brcmf_dbg(INFO, "MPC : %d\n", mpc); - } -} - -s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, bool aborted, - bool fw_abort) -{ - struct brcmf_scan_params_le params_le; - struct cfg80211_scan_request *scan_request; - s32 err = 0; - - brcmf_dbg(SCAN, "Enter\n"); - - /* clear scan request, because the FW abort can cause a second call */ - /* to this functon and might cause a double cfg80211_scan_done */ - scan_request = cfg->scan_request; - cfg->scan_request = NULL; - - if (timer_pending(&cfg->escan_timeout)) - del_timer_sync(&cfg->escan_timeout); - - if (fw_abort) { - /* Do a scan abort to stop the driver's scan engine */ - brcmf_dbg(SCAN, "ABORT scan in firmware\n"); - memset(¶ms_le, 0, sizeof(params_le)); - eth_broadcast_addr(params_le.bssid); - params_le.bss_type = DOT11_BSSTYPE_ANY; - params_le.scan_type = 0; - params_le.channel_num = cpu_to_le32(1); - params_le.nprobes = cpu_to_le32(1); - params_le.active_time = cpu_to_le32(-1); - params_le.passive_time = cpu_to_le32(-1); - params_le.home_time = cpu_to_le32(-1); - /* Scan is aborted by setting channel_list[0] to -1 */ - params_le.channel_list[0] = cpu_to_le16(-1); - /* E-Scan (or anyother type) can be aborted by SCAN */ - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, - ¶ms_le, sizeof(params_le)); - if (err) - brcmf_err("Scan abort failed\n"); - } - - brcmf_scan_config_mpc(ifp, 1); - - /* - * e-scan can be initiated by scheduled scan - * which takes precedence. - */ - if (cfg->sched_escan) { - brcmf_dbg(SCAN, "scheduled scan completed\n"); - cfg->sched_escan = false; - if (!aborted) - cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); - } else if (scan_request) { - brcmf_dbg(SCAN, "ESCAN Completed scan: %s\n", - aborted ? "Aborted" : "Done"); - cfg80211_scan_done(scan_request, aborted); - } - if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) - brcmf_dbg(SCAN, "Scan complete, probably P2P scan\n"); - - return err; -} - -static -int brcmf_cfg80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct net_device *ndev = wdev->netdev; - - /* vif event pending in firmware */ - if (brcmf_cfg80211_vif_event_armed(cfg)) - return -EBUSY; - - if (ndev) { - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status) && - cfg->escan_info.ifp == netdev_priv(ndev)) - brcmf_notify_escan_complete(cfg, netdev_priv(ndev), - true, true); - - brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", 1); - } - - switch (wdev->iftype) { - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_AP_VLAN: - case NL80211_IFTYPE_WDS: - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_MESH_POINT: - return -EOPNOTSUPP; - case NL80211_IFTYPE_P2P_CLIENT: - case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_P2P_DEVICE: - return brcmf_p2p_del_vif(wiphy, wdev); - case NL80211_IFTYPE_UNSPECIFIED: - default: - return -EINVAL; - } - return -EOPNOTSUPP; -} - -static s32 -brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_vif *vif = ifp->vif; - s32 infra = 0; - s32 ap = 0; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter, idx=%d, type=%d\n", ifp->bssidx, type); - - /* WAR: There are a number of p2p interface related problems which - * need to be handled initially (before doing the validate). - * wpa_supplicant tends to do iface changes on p2p device/client/go - * which are not always possible/allowed. However we need to return - * OK otherwise the wpa_supplicant wont start. The situation differs - * on configuration and setup (p2pon=1 module param). The first check - * is to see if the request is a change to station for p2p iface. - */ - if ((type == NL80211_IFTYPE_STATION) && - ((vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) || - (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) || - (vif->wdev.iftype == NL80211_IFTYPE_P2P_DEVICE))) { - brcmf_dbg(TRACE, "Ignoring cmd for p2p if\n"); - /* Now depending on whether module param p2pon=1 was used the - * response needs to be either 0 or EOPNOTSUPP. The reason is - * that if p2pon=1 is used, but a newer supplicant is used then - * we should return an error, as this combination wont work. - * In other situations 0 is returned and supplicant will start - * normally. It will give a trace in cfg80211, but it is the - * only way to get it working. Unfortunately this will result - * in situation where we wont support new supplicant in - * combination with module param p2pon=1, but that is the way - * it is. If the user tries this then unloading of driver might - * fail/lock. - */ - if (cfg->p2p.p2pdev_dynamically) - return -EOPNOTSUPP; - else - return 0; - } - err = brcmf_vif_change_validate(wiphy_to_cfg(wiphy), vif, type); - if (err) { - brcmf_err("iface validation failed: err=%d\n", err); - return err; - } - switch (type) { - case NL80211_IFTYPE_MONITOR: - case NL80211_IFTYPE_WDS: - brcmf_err("type (%d) : currently we do not support this type\n", - type); - return -EOPNOTSUPP; - case NL80211_IFTYPE_ADHOC: - infra = 0; - break; - case NL80211_IFTYPE_STATION: - infra = 1; - break; - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_P2P_GO: - ap = 1; - break; - default: - err = -EINVAL; - goto done; - } - - if (ap) { - if (type == NL80211_IFTYPE_P2P_GO) { - brcmf_dbg(INFO, "IF Type = P2P GO\n"); - err = brcmf_p2p_ifchange(cfg, BRCMF_FIL_P2P_IF_GO); - } - if (!err) { - brcmf_dbg(INFO, "IF Type = AP\n"); - } - } else { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, infra); - if (err) { - brcmf_err("WLC_SET_INFRA error (%d)\n", err); - err = -EAGAIN; - goto done; - } - brcmf_dbg(INFO, "IF Type = %s\n", brcmf_is_ibssmode(vif) ? - "Adhoc" : "Infra"); - } - ndev->ieee80211_ptr->iftype = type; - - brcmf_cfg80211_update_proto_addr_mode(&vif->wdev); - -done: - brcmf_dbg(TRACE, "Exit\n"); - - return err; -} - -static void brcmf_escan_prep(struct brcmf_cfg80211_info *cfg, - struct brcmf_scan_params_le *params_le, - struct cfg80211_scan_request *request) -{ - u32 n_ssids; - u32 n_channels; - s32 i; - s32 offset; - u16 chanspec; - char *ptr; - struct brcmf_ssid_le ssid_le; - - eth_broadcast_addr(params_le->bssid); - params_le->bss_type = DOT11_BSSTYPE_ANY; - params_le->scan_type = 0; - params_le->channel_num = 0; - params_le->nprobes = cpu_to_le32(-1); - params_le->active_time = cpu_to_le32(-1); - params_le->passive_time = cpu_to_le32(-1); - params_le->home_time = cpu_to_le32(-1); - memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); - - /* if request is null exit so it will be all channel broadcast scan */ - if (!request) - return; - - n_ssids = request->n_ssids; - n_channels = request->n_channels; - /* Copy channel array if applicable */ - brcmf_dbg(SCAN, "### List of channelspecs to scan ### %d\n", - n_channels); - if (n_channels > 0) { - for (i = 0; i < n_channels; i++) { - chanspec = channel_to_chanspec(&cfg->d11inf, - request->channels[i]); - brcmf_dbg(SCAN, "Chan : %d, Channel spec: %x\n", - request->channels[i]->hw_value, chanspec); - params_le->channel_list[i] = cpu_to_le16(chanspec); - } - } else { - brcmf_dbg(SCAN, "Scanning all channels\n"); - } - /* Copy ssid array if applicable */ - brcmf_dbg(SCAN, "### List of SSIDs to scan ### %d\n", n_ssids); - if (n_ssids > 0) { - offset = offsetof(struct brcmf_scan_params_le, channel_list) + - n_channels * sizeof(u16); - offset = roundup(offset, sizeof(u32)); - ptr = (char *)params_le + offset; - for (i = 0; i < n_ssids; i++) { - memset(&ssid_le, 0, sizeof(ssid_le)); - ssid_le.SSID_len = - cpu_to_le32(request->ssids[i].ssid_len); - memcpy(ssid_le.SSID, request->ssids[i].ssid, - request->ssids[i].ssid_len); - if (!ssid_le.SSID_len) - brcmf_dbg(SCAN, "%d: Broadcast scan\n", i); - else - brcmf_dbg(SCAN, "%d: scan for %s size =%d\n", - i, ssid_le.SSID, ssid_le.SSID_len); - memcpy(ptr, &ssid_le, sizeof(ssid_le)); - ptr += sizeof(ssid_le); - } - } else { - brcmf_dbg(SCAN, "Broadcast scan %p\n", request->ssids); - if ((request->ssids) && request->ssids->ssid_len) { - brcmf_dbg(SCAN, "SSID %s len=%d\n", - params_le->ssid_le.SSID, - request->ssids->ssid_len); - params_le->ssid_le.SSID_len = - cpu_to_le32(request->ssids->ssid_len); - memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, - request->ssids->ssid_len); - } - } - /* Adding mask to channel numbers */ - params_le->channel_num = - cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | - (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); -} - -static s32 -brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, - struct cfg80211_scan_request *request, u16 action) -{ - s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + - offsetof(struct brcmf_escan_params_le, params_le); - struct brcmf_escan_params_le *params; - s32 err = 0; - - brcmf_dbg(SCAN, "E-SCAN START\n"); - - if (request != NULL) { - /* Allocate space for populating ssids in struct */ - params_size += sizeof(u32) * ((request->n_channels + 1) / 2); - - /* Allocate space for populating ssids in struct */ - params_size += sizeof(struct brcmf_ssid) * request->n_ssids; - } - - params = kzalloc(params_size, GFP_KERNEL); - if (!params) { - err = -ENOMEM; - goto exit; - } - BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); - brcmf_escan_prep(cfg, ¶ms->params_le, request); - params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); - params->action = cpu_to_le16(action); - params->sync_id = cpu_to_le16(0x1234); - - err = brcmf_fil_iovar_data_set(ifp, "escan", params, params_size); - if (err) { - if (err == -EBUSY) - brcmf_dbg(INFO, "system busy : escan canceled\n"); - else - brcmf_err("error (%d)\n", err); - } - - kfree(params); -exit: - return err; -} - -static s32 -brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, - struct brcmf_if *ifp, struct cfg80211_scan_request *request) -{ - s32 err; - u32 passive_scan; - struct brcmf_scan_results *results; - struct escan_info *escan = &cfg->escan_info; - - brcmf_dbg(SCAN, "Enter\n"); - escan->ifp = ifp; - escan->wiphy = wiphy; - escan->escan_state = WL_ESCAN_STATE_SCANNING; - passive_scan = cfg->active_scan ? 0 : 1; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, - passive_scan); - if (err) { - brcmf_err("error (%d)\n", err); - return err; - } - brcmf_scan_config_mpc(ifp, 0); - results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; - results->version = 0; - results->count = 0; - results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; - - err = escan->run(cfg, ifp, request, WL_ESCAN_ACTION_START); - if (err) - brcmf_scan_config_mpc(ifp, 1); - return err; -} - -static s32 -brcmf_cfg80211_escan(struct wiphy *wiphy, struct brcmf_cfg80211_vif *vif, - struct cfg80211_scan_request *request, - struct cfg80211_ssid *this_ssid) -{ - struct brcmf_if *ifp = vif->ifp; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct cfg80211_ssid *ssids; - struct brcmf_cfg80211_scan_req *sr = &cfg->scan_req_int; - u32 passive_scan; - bool escan_req; - bool spec_scan; - s32 err; - u32 SSID_len; - - brcmf_dbg(SCAN, "START ESCAN\n"); - - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); - return -EAGAIN; - } - if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) { - brcmf_err("Scanning being aborted: status (%lu)\n", - cfg->scan_status); - return -EAGAIN; - } - if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { - brcmf_err("Scanning suppressed: status (%lu)\n", - cfg->scan_status); - return -EAGAIN; - } - if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) { - brcmf_err("Connecting: status (%lu)\n", ifp->vif->sme_state); - return -EAGAIN; - } - - /* If scan req comes for p2p0, send it over primary I/F */ - if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - - escan_req = false; - if (request) { - /* scan bss */ - ssids = request->ssids; - escan_req = true; - } else { - /* scan in ibss */ - /* we don't do escan in ibss */ - ssids = this_ssid; - } - - cfg->scan_request = request; - set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - if (escan_req) { - cfg->escan_info.run = brcmf_run_escan; - err = brcmf_p2p_scan_prep(wiphy, request, vif); - if (err) - goto scan_out; - - err = brcmf_do_escan(cfg, wiphy, vif->ifp, request); - if (err) - goto scan_out; - } else { - brcmf_dbg(SCAN, "ssid \"%s\", ssid_len (%d)\n", - ssids->ssid, ssids->ssid_len); - memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); - SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); - sr->ssid_le.SSID_len = cpu_to_le32(0); - spec_scan = false; - if (SSID_len) { - memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); - sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); - spec_scan = true; - } else - brcmf_dbg(SCAN, "Broadcast scan\n"); - - passive_scan = cfg->active_scan ? 0 : 1; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN, - passive_scan); - if (err) { - brcmf_err("WLC_SET_PASSIVE_SCAN error (%d)\n", err); - goto scan_out; - } - brcmf_scan_config_mpc(ifp, 0); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN, - &sr->ssid_le, sizeof(sr->ssid_le)); - if (err) { - if (err == -EBUSY) - brcmf_dbg(INFO, "BUSY: scan for \"%s\" canceled\n", - sr->ssid_le.SSID); - else - brcmf_err("WLC_SCAN error (%d)\n", err); - - brcmf_scan_config_mpc(ifp, 1); - goto scan_out; - } - } - - /* Arm scan timeout timer */ - mod_timer(&cfg->escan_timeout, jiffies + - WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); - - return 0; - -scan_out: - clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - cfg->scan_request = NULL; - return err; -} - -static s32 -brcmf_cfg80211_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) -{ - struct brcmf_cfg80211_vif *vif; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - vif = container_of(request->wdev, struct brcmf_cfg80211_vif, wdev); - if (!check_vif_up(vif)) - return -EIO; - - err = brcmf_cfg80211_escan(wiphy, vif, request, NULL); - - if (err) - brcmf_err("scan error (%d)\n", err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) -{ - s32 err = 0; - - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "rtsthresh", - rts_threshold); - if (err) - brcmf_err("Error (%d)\n", err); - - return err; -} - -static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) -{ - s32 err = 0; - - err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "fragthresh", - frag_threshold); - if (err) - brcmf_err("Error (%d)\n", err); - - return err; -} - -static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) -{ - s32 err = 0; - u32 cmd = (l ? BRCMF_C_SET_LRL : BRCMF_C_SET_SRL); - - err = brcmf_fil_cmd_int_set(netdev_priv(ndev), cmd, retry); - if (err) { - brcmf_err("cmd (%d) , error (%d)\n", cmd, err); - return err; - } - return err; -} - -static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (changed & WIPHY_PARAM_RTS_THRESHOLD && - (cfg->conf->rts_threshold != wiphy->rts_threshold)) { - cfg->conf->rts_threshold = wiphy->rts_threshold; - err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_FRAG_THRESHOLD && - (cfg->conf->frag_threshold != wiphy->frag_threshold)) { - cfg->conf->frag_threshold = wiphy->frag_threshold; - err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_RETRY_LONG - && (cfg->conf->retry_long != wiphy->retry_long)) { - cfg->conf->retry_long = wiphy->retry_long; - err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); - if (!err) - goto done; - } - if (changed & WIPHY_PARAM_RETRY_SHORT - && (cfg->conf->retry_short != wiphy->retry_short)) { - cfg->conf->retry_short = wiphy->retry_short; - err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); - if (!err) - goto done; - } - -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) -{ - memset(prof, 0, sizeof(*prof)); -} - -static u16 brcmf_map_fw_linkdown_reason(const struct brcmf_event_msg *e) -{ - u16 reason; - - switch (e->event_code) { - case BRCMF_E_DEAUTH: - case BRCMF_E_DEAUTH_IND: - case BRCMF_E_DISASSOC_IND: - reason = e->reason; - break; - case BRCMF_E_LINK: - default: - reason = 0; - break; - } - return reason; -} - -static void brcmf_link_down(struct brcmf_cfg80211_vif *vif, u16 reason) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(vif->wdev.wiphy); - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state)) { - brcmf_dbg(INFO, "Call WLC_DISASSOC to stop excess roaming\n "); - err = brcmf_fil_cmd_data_set(vif->ifp, - BRCMF_C_DISASSOC, NULL, 0); - if (err) { - brcmf_err("WLC_DISASSOC failed (%d)\n", err); - } - clear_bit(BRCMF_VIF_STATUS_CONNECTED, &vif->sme_state); - cfg80211_disconnected(vif->wdev.netdev, reason, NULL, 0, - true, GFP_KERNEL); - - } - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &vif->sme_state); - clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); - brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); - brcmf_dbg(TRACE, "Exit\n"); -} - -static s32 -brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_ibss_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_join_params join_params; - size_t join_params_size = 0; - s32 err = 0; - s32 wsec = 0; - s32 bcnprd; - u16 chanspec; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (params->ssid) - brcmf_dbg(CONN, "SSID: %s\n", params->ssid); - else { - brcmf_dbg(CONN, "SSID: NULL, Not supported\n"); - return -EOPNOTSUPP; - } - - set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - - if (params->bssid) - brcmf_dbg(CONN, "BSSID: %pM\n", params->bssid); - else - brcmf_dbg(CONN, "No BSSID specified\n"); - - if (params->chandef.chan) - brcmf_dbg(CONN, "channel: %d\n", - params->chandef.chan->center_freq); - else - brcmf_dbg(CONN, "no channel specified\n"); - - if (params->channel_fixed) - brcmf_dbg(CONN, "fixed channel required\n"); - else - brcmf_dbg(CONN, "no fixed channel required\n"); - - if (params->ie && params->ie_len) - brcmf_dbg(CONN, "ie len: %d\n", params->ie_len); - else - brcmf_dbg(CONN, "no ie specified\n"); - - if (params->beacon_interval) - brcmf_dbg(CONN, "beacon interval: %d\n", - params->beacon_interval); - else - brcmf_dbg(CONN, "no beacon interval specified\n"); - - if (params->basic_rates) - brcmf_dbg(CONN, "basic rates: %08X\n", params->basic_rates); - else - brcmf_dbg(CONN, "no basic rates specified\n"); - - if (params->privacy) - brcmf_dbg(CONN, "privacy required\n"); - else - brcmf_dbg(CONN, "no privacy required\n"); - - /* Configure Privacy for starter */ - if (params->privacy) - wsec |= WEP_ENABLED; - - err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec); - if (err) { - brcmf_err("wsec failed (%d)\n", err); - goto done; - } - - /* Configure Beacon Interval for starter */ - if (params->beacon_interval) - bcnprd = params->beacon_interval; - else - bcnprd = 100; - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, bcnprd); - if (err) { - brcmf_err("WLC_SET_BCNPRD failed (%d)\n", err); - goto done; - } - - /* Configure required join parameter */ - memset(&join_params, 0, sizeof(struct brcmf_join_params)); - - /* SSID */ - profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32); - memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len); - memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len); - join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); - join_params_size = sizeof(join_params.ssid_le); - - /* BSSID */ - if (params->bssid) { - memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); - join_params_size = sizeof(join_params.ssid_le) + - BRCMF_ASSOC_PARAMS_FIXED_SIZE; - memcpy(profile->bssid, params->bssid, ETH_ALEN); - } else { - eth_broadcast_addr(join_params.params_le.bssid); - eth_zero_addr(profile->bssid); - } - - /* Channel */ - if (params->chandef.chan) { - u32 target_channel; - - cfg->channel = - ieee80211_frequency_to_channel( - params->chandef.chan->center_freq); - if (params->channel_fixed) { - /* adding chanspec */ - chanspec = chandef_to_chanspec(&cfg->d11inf, - ¶ms->chandef); - join_params.params_le.chanspec_list[0] = - cpu_to_le16(chanspec); - join_params.params_le.chanspec_num = cpu_to_le32(1); - join_params_size += sizeof(join_params.params_le); - } - - /* set channel for starter */ - target_channel = cfg->channel; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_CHANNEL, - target_channel); - if (err) { - brcmf_err("WLC_SET_CHANNEL failed (%d)\n", err); - goto done; - } - } else - cfg->channel = 0; - - cfg->ibss_starter = false; - - - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, join_params_size); - if (err) { - brcmf_err("WLC_SET_SSID failed (%d)\n", err); - goto done; - } - -done: - if (err) - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - brcmf_link_down(ifp->vif, WLAN_REASON_DEAUTH_LEAVING); - - brcmf_dbg(TRACE, "Exit\n"); - - return 0; -} - -static s32 brcmf_set_wpa_version(struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 val = 0; - s32 err = 0; - - if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) - val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; - else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) - val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; - else - val = WPA_AUTH_DISABLED; - brcmf_dbg(CONN, "setting wpa_auth to 0x%0x\n", val); - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wpa_auth", val); - if (err) { - brcmf_err("set wpa_auth failed (%d)\n", err); - return err; - } - sec = &profile->sec; - sec->wpa_versions = sme->crypto.wpa_versions; - return err; -} - -static s32 brcmf_set_auth_type(struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 val = 0; - s32 err = 0; - - switch (sme->auth_type) { - case NL80211_AUTHTYPE_OPEN_SYSTEM: - val = 0; - brcmf_dbg(CONN, "open system\n"); - break; - case NL80211_AUTHTYPE_SHARED_KEY: - val = 1; - brcmf_dbg(CONN, "shared key\n"); - break; - case NL80211_AUTHTYPE_AUTOMATIC: - val = 2; - brcmf_dbg(CONN, "automatic\n"); - break; - case NL80211_AUTHTYPE_NETWORK_EAP: - brcmf_dbg(CONN, "network eap\n"); - default: - val = 2; - brcmf_err("invalid auth type (%d)\n", sme->auth_type); - break; - } - - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); - if (err) { - brcmf_err("set auth failed (%d)\n", err); - return err; - } - sec = &profile->sec; - sec->auth_type = sme->auth_type; - return err; -} - -static s32 -brcmf_set_wsec_mode(struct net_device *ndev, - struct cfg80211_connect_params *sme, bool mfp) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 pval = 0; - s32 gval = 0; - s32 wsec; - s32 err = 0; - - if (sme->crypto.n_ciphers_pairwise) { - switch (sme->crypto.ciphers_pairwise[0]) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - pval = WEP_ENABLED; - break; - case WLAN_CIPHER_SUITE_TKIP: - pval = TKIP_ENABLED; - break; - case WLAN_CIPHER_SUITE_CCMP: - pval = AES_ENABLED; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - pval = AES_ENABLED; - break; - default: - brcmf_err("invalid cipher pairwise (%d)\n", - sme->crypto.ciphers_pairwise[0]); - return -EINVAL; - } - } - if (sme->crypto.cipher_group) { - switch (sme->crypto.cipher_group) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - gval = WEP_ENABLED; - break; - case WLAN_CIPHER_SUITE_TKIP: - gval = TKIP_ENABLED; - break; - case WLAN_CIPHER_SUITE_CCMP: - gval = AES_ENABLED; - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - gval = AES_ENABLED; - break; - default: - brcmf_err("invalid cipher group (%d)\n", - sme->crypto.cipher_group); - return -EINVAL; - } - } - - brcmf_dbg(CONN, "pval (%d) gval (%d)\n", pval, gval); - /* In case of privacy, but no security and WPS then simulate */ - /* setting AES. WPS-2.0 allows no security */ - if (brcmf_find_wpsie(sme->ie, sme->ie_len) && !pval && !gval && - sme->privacy) - pval = AES_ENABLED; - - if (mfp) - wsec = pval | gval | MFP_CAPABLE; - else - wsec = pval | gval; - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "wsec", wsec); - if (err) { - brcmf_err("error (%d)\n", err); - return err; - } - - sec = &profile->sec; - sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; - sec->cipher_group = sme->crypto.cipher_group; - - return err; -} - -static s32 -brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - s32 val = 0; - s32 err = 0; - - if (sme->crypto.n_akm_suites) { - err = brcmf_fil_bsscfg_int_get(netdev_priv(ndev), - "wpa_auth", &val); - if (err) { - brcmf_err("could not get wpa_auth (%d)\n", err); - return err; - } - if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { - switch (sme->crypto.akm_suites[0]) { - case WLAN_AKM_SUITE_8021X: - val = WPA_AUTH_UNSPECIFIED; - break; - case WLAN_AKM_SUITE_PSK: - val = WPA_AUTH_PSK; - break; - default: - brcmf_err("invalid cipher group (%d)\n", - sme->crypto.cipher_group); - return -EINVAL; - } - } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { - switch (sme->crypto.akm_suites[0]) { - case WLAN_AKM_SUITE_8021X: - val = WPA2_AUTH_UNSPECIFIED; - break; - case WLAN_AKM_SUITE_PSK: - val = WPA2_AUTH_PSK; - break; - default: - brcmf_err("invalid cipher group (%d)\n", - sme->crypto.cipher_group); - return -EINVAL; - } - } - - brcmf_dbg(CONN, "setting wpa_auth to %d\n", val); - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), - "wpa_auth", val); - if (err) { - brcmf_err("could not set wpa_auth (%d)\n", err); - return err; - } - } - sec = &profile->sec; - sec->wpa_auth = sme->crypto.akm_suites[0]; - - return err; -} - -static s32 -brcmf_set_sharedkey(struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev); - struct brcmf_cfg80211_security *sec; - struct brcmf_wsec_key key; - s32 val; - s32 err = 0; - - brcmf_dbg(CONN, "key len (%d)\n", sme->key_len); - - if (sme->key_len == 0) - return 0; - - sec = &profile->sec; - brcmf_dbg(CONN, "wpa_versions 0x%x cipher_pairwise 0x%x\n", - sec->wpa_versions, sec->cipher_pairwise); - - if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) - return 0; - - if (!(sec->cipher_pairwise & - (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) - return 0; - - memset(&key, 0, sizeof(key)); - key.len = (u32) sme->key_len; - key.index = (u32) sme->key_idx; - if (key.len > sizeof(key.data)) { - brcmf_err("Too long key length (%u)\n", key.len); - return -EINVAL; - } - memcpy(key.data, sme->key, key.len); - key.flags = BRCMF_PRIMARY_KEY; - switch (sec->cipher_pairwise) { - case WLAN_CIPHER_SUITE_WEP40: - key.algo = CRYPTO_ALGO_WEP1; - break; - case WLAN_CIPHER_SUITE_WEP104: - key.algo = CRYPTO_ALGO_WEP128; - break; - default: - brcmf_err("Invalid algorithm (%d)\n", - sme->crypto.ciphers_pairwise[0]); - return -EINVAL; - } - /* Set the new key/index */ - brcmf_dbg(CONN, "key length (%d) key index (%d) algo (%d)\n", - key.len, key.index, key.algo); - brcmf_dbg(CONN, "key \"%s\"\n", key.data); - err = send_key_to_dongle(netdev_priv(ndev), &key); - if (err) - return err; - - if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { - brcmf_dbg(CONN, "set auth_type to shared key\n"); - val = WL_AUTH_SHARED_KEY; /* shared key */ - err = brcmf_fil_bsscfg_int_set(netdev_priv(ndev), "auth", val); - if (err) - brcmf_err("set auth failed (%d)\n", err); - } - return err; -} - -static -enum nl80211_auth_type brcmf_war_auth_type(struct brcmf_if *ifp, - enum nl80211_auth_type type) -{ - if (type == NL80211_AUTHTYPE_AUTOMATIC && - brcmf_feat_is_quirk_enabled(ifp, BRCMF_FEAT_QUIRK_AUTO_AUTH)) { - brcmf_dbg(CONN, "WAR: use OPEN instead of AUTO\n"); - type = NL80211_AUTHTYPE_OPEN_SYSTEM; - } - return type; -} - -static s32 -brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_connect_params *sme) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct ieee80211_channel *chan = sme->channel; - struct brcmf_join_params join_params; - size_t join_params_size; - const struct brcmf_tlv *rsn_ie; - const struct brcmf_vs_tlv *wpa_ie; - const void *ie; - u32 ie_len; - struct brcmf_ext_join_params_le *ext_join_params; - u16 chanspec; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (!sme->ssid) { - brcmf_err("Invalid ssid\n"); - return -EOPNOTSUPP; - } - - if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) { - /* A normal (non P2P) connection request setup. */ - ie = NULL; - ie_len = 0; - /* find the WPA_IE */ - wpa_ie = brcmf_find_wpaie((u8 *)sme->ie, sme->ie_len); - if (wpa_ie) { - ie = wpa_ie; - ie_len = wpa_ie->len + TLV_HDR_LEN; - } else { - /* find the RSN_IE */ - rsn_ie = brcmf_parse_tlvs((const u8 *)sme->ie, - sme->ie_len, - WLAN_EID_RSN); - if (rsn_ie) { - ie = rsn_ie; - ie_len = rsn_ie->len + TLV_HDR_LEN; - } - } - brcmf_fil_iovar_data_set(ifp, "wpaie", ie, ie_len); - } - - err = brcmf_vif_set_mgmt_ie(ifp->vif, BRCMF_VNDR_IE_ASSOCREQ_FLAG, - sme->ie, sme->ie_len); - if (err) - brcmf_err("Set Assoc REQ IE Failed\n"); - else - brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc request\n"); - - set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - - if (chan) { - cfg->channel = - ieee80211_frequency_to_channel(chan->center_freq); - chanspec = channel_to_chanspec(&cfg->d11inf, chan); - brcmf_dbg(CONN, "channel=%d, center_req=%d, chanspec=0x%04x\n", - cfg->channel, chan->center_freq, chanspec); - } else { - cfg->channel = 0; - chanspec = 0; - } - - brcmf_dbg(INFO, "ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); - - err = brcmf_set_wpa_version(ndev, sme); - if (err) { - brcmf_err("wl_set_wpa_version failed (%d)\n", err); - goto done; - } - - sme->auth_type = brcmf_war_auth_type(ifp, sme->auth_type); - err = brcmf_set_auth_type(ndev, sme); - if (err) { - brcmf_err("wl_set_auth_type failed (%d)\n", err); - goto done; - } - - err = brcmf_set_wsec_mode(ndev, sme, sme->mfp == NL80211_MFP_REQUIRED); - if (err) { - brcmf_err("wl_set_set_cipher failed (%d)\n", err); - goto done; - } - - err = brcmf_set_key_mgmt(ndev, sme); - if (err) { - brcmf_err("wl_set_key_mgmt failed (%d)\n", err); - goto done; - } - - err = brcmf_set_sharedkey(ndev, sme); - if (err) { - brcmf_err("brcmf_set_sharedkey failed (%d)\n", err); - goto done; - } - - profile->ssid.SSID_len = min_t(u32, (u32)sizeof(profile->ssid.SSID), - (u32)sme->ssid_len); - memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); - if (profile->ssid.SSID_len < IEEE80211_MAX_SSID_LEN) { - profile->ssid.SSID[profile->ssid.SSID_len] = 0; - brcmf_dbg(CONN, "SSID \"%s\", len (%d)\n", profile->ssid.SSID, - profile->ssid.SSID_len); - } - - /* Join with specific BSSID and cached SSID - * If SSID is zero join based on BSSID only - */ - join_params_size = offsetof(struct brcmf_ext_join_params_le, assoc_le) + - offsetof(struct brcmf_assoc_params_le, chanspec_list); - if (cfg->channel) - join_params_size += sizeof(u16); - ext_join_params = kzalloc(join_params_size, GFP_KERNEL); - if (ext_join_params == NULL) { - err = -ENOMEM; - goto done; - } - ext_join_params->ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); - memcpy(&ext_join_params->ssid_le.SSID, sme->ssid, - profile->ssid.SSID_len); - - /* Set up join scan parameters */ - ext_join_params->scan_le.scan_type = -1; - ext_join_params->scan_le.home_time = cpu_to_le32(-1); - - if (sme->bssid) - memcpy(&ext_join_params->assoc_le.bssid, sme->bssid, ETH_ALEN); - else - eth_broadcast_addr(ext_join_params->assoc_le.bssid); - - if (cfg->channel) { - ext_join_params->assoc_le.chanspec_num = cpu_to_le32(1); - - ext_join_params->assoc_le.chanspec_list[0] = - cpu_to_le16(chanspec); - /* Increase dwell time to receive probe response or detect - * beacon from target AP at a noisy air only during connect - * command. - */ - ext_join_params->scan_le.active_time = - cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS); - ext_join_params->scan_le.passive_time = - cpu_to_le32(BRCMF_SCAN_JOIN_PASSIVE_DWELL_TIME_MS); - /* To sync with presence period of VSDB GO send probe request - * more frequently. Probe request will be stopped when it gets - * probe response from target AP/GO. - */ - ext_join_params->scan_le.nprobes = - cpu_to_le32(BRCMF_SCAN_JOIN_ACTIVE_DWELL_TIME_MS / - BRCMF_SCAN_JOIN_PROBE_INTERVAL_MS); - } else { - ext_join_params->scan_le.active_time = cpu_to_le32(-1); - ext_join_params->scan_le.passive_time = cpu_to_le32(-1); - ext_join_params->scan_le.nprobes = cpu_to_le32(-1); - } - - err = brcmf_fil_bsscfg_data_set(ifp, "join", ext_join_params, - join_params_size); - kfree(ext_join_params); - if (!err) - /* This is it. join command worked, we are done */ - goto done; - - /* join command failed, fallback to set ssid */ - memset(&join_params, 0, sizeof(join_params)); - join_params_size = sizeof(join_params.ssid_le); - - memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); - join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); - - if (sme->bssid) - memcpy(join_params.params_le.bssid, sme->bssid, ETH_ALEN); - else - eth_broadcast_addr(join_params.params_le.bssid); - - if (cfg->channel) { - join_params.params_le.chanspec_list[0] = cpu_to_le16(chanspec); - join_params.params_le.chanspec_num = cpu_to_le32(1); - join_params_size += sizeof(join_params.params_le); - } - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, join_params_size); - if (err) - brcmf_err("BRCMF_C_SET_SSID failed (%d)\n", err); - -done: - if (err) - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, - u16 reason_code) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_scb_val_le scbval; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter. Reason code = %d\n", reason_code); - if (!check_vif_up(ifp->vif)) - return -EIO; - - clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); - clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state); - cfg80211_disconnected(ndev, reason_code, NULL, 0, true, GFP_KERNEL); - - memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); - scbval.val = cpu_to_le32(reason_code); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC, - &scbval, sizeof(scbval)); - if (err) - brcmf_err("error (%d)\n", err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, - enum nl80211_tx_power_setting type, s32 mbm) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - s32 disable; - u32 qdbm = 127; - - brcmf_dbg(TRACE, "Enter %d %d\n", type, mbm); - if (!check_vif_up(ifp->vif)) - return -EIO; - - switch (type) { - case NL80211_TX_POWER_AUTOMATIC: - break; - case NL80211_TX_POWER_LIMITED: - case NL80211_TX_POWER_FIXED: - if (mbm < 0) { - brcmf_err("TX_POWER_FIXED - dbm is negative\n"); - err = -EINVAL; - goto done; - } - qdbm = MBM_TO_DBM(4 * mbm); - if (qdbm > 127) - qdbm = 127; - qdbm |= WL_TXPWR_OVERRIDE; - break; - default: - brcmf_err("Unsupported type %d\n", type); - err = -EINVAL; - goto done; - } - /* Make sure radio is off or on as far as software is concerned */ - disable = WL_RADIO_SW_DISABLE << 16; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_RADIO, disable); - if (err) - brcmf_err("WLC_SET_RADIO error (%d)\n", err); - - err = brcmf_fil_iovar_int_set(ifp, "qtxpower", qdbm); - if (err) - brcmf_err("qtxpower error (%d)\n", err); - -done: - brcmf_dbg(TRACE, "Exit %d (qdbm)\n", qdbm & ~WL_TXPWR_OVERRIDE); - return err; -} - -static s32 -brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev, - s32 *dbm) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 qdbm = 0; - s32 err; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - err = brcmf_fil_iovar_int_get(ifp, "qtxpower", &qdbm); - if (err) { - brcmf_err("error (%d)\n", err); - goto done; - } - *dbm = (qdbm & ~WL_TXPWR_OVERRIDE) / 4; - -done: - brcmf_dbg(TRACE, "Exit (0x%x %d)\n", qdbm, *dbm); - return err; -} - -static s32 -brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_idx, bool unicast, bool multicast) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - u32 index; - u32 wsec; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(CONN, "key index (%d)\n", key_idx); - if (!check_vif_up(ifp->vif)) - return -EIO; - - err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); - if (err) { - brcmf_err("WLC_GET_WSEC error (%d)\n", err); - goto done; - } - - if (wsec & WEP_ENABLED) { - /* Just select a new current key */ - index = key_idx; - err = brcmf_fil_cmd_int_set(ifp, - BRCMF_C_SET_KEY_PRIMARY, index); - if (err) - brcmf_err("error (%d)\n", err); - } -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, - u8 key_idx, const u8 *mac_addr, struct key_params *params) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_wsec_key key; - s32 err = 0; - u8 keybuf[8]; - - memset(&key, 0, sizeof(key)); - key.index = (u32) key_idx; - /* Instead of bcast for ea address for default wep keys, - driver needs it to be Null */ - if (!is_multicast_ether_addr(mac_addr)) - memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); - key.len = (u32) params->key_len; - /* check for key index change */ - if (key.len == 0) { - /* key delete */ - err = send_key_to_dongle(ifp, &key); - if (err) - brcmf_err("key delete error (%d)\n", err); - } else { - if (key.len > sizeof(key.data)) { - brcmf_err("Invalid key length (%d)\n", key.len); - return -EINVAL; - } - - brcmf_dbg(CONN, "Setting the key index %d\n", key.index); - memcpy(key.data, params->key, key.len); - - if (!brcmf_is_apmode(ifp->vif) && - (params->cipher == WLAN_CIPHER_SUITE_TKIP)) { - brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); - memcpy(keybuf, &key.data[24], sizeof(keybuf)); - memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); - memcpy(&key.data[16], keybuf, sizeof(keybuf)); - } - - /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ - if (params->seq && params->seq_len == 6) { - /* rx iv */ - u8 *ivptr; - ivptr = (u8 *) params->seq; - key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | - (ivptr[3] << 8) | ivptr[2]; - key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; - key.iv_initialized = true; - } - - switch (params->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - key.algo = CRYPTO_ALGO_WEP1; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); - break; - case WLAN_CIPHER_SUITE_WEP104: - key.algo = CRYPTO_ALGO_WEP128; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); - break; - case WLAN_CIPHER_SUITE_TKIP: - key.algo = CRYPTO_ALGO_TKIP; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - key.algo = CRYPTO_ALGO_AES_CCM; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); - break; - case WLAN_CIPHER_SUITE_CCMP: - key.algo = CRYPTO_ALGO_AES_CCM; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); - break; - default: - brcmf_err("Invalid cipher (0x%x)\n", params->cipher); - return -EINVAL; - } - err = send_key_to_dongle(ifp, &key); - if (err) - brcmf_err("wsec_key error (%d)\n", err); - } - return err; -} - -static s32 -brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_idx, bool pairwise, const u8 *mac_addr, - struct key_params *params) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_wsec_key *key; - s32 val; - s32 wsec; - s32 err = 0; - u8 keybuf[8]; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(CONN, "key index (%d)\n", key_idx); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { - /* we ignore this key index in this case */ - brcmf_err("invalid key index (%d)\n", key_idx); - return -EINVAL; - } - - if (mac_addr && - (params->cipher != WLAN_CIPHER_SUITE_WEP40) && - (params->cipher != WLAN_CIPHER_SUITE_WEP104)) { - brcmf_dbg(TRACE, "Exit"); - return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); - } - - key = &ifp->vif->profile.key[key_idx]; - memset(key, 0, sizeof(*key)); - - if (params->key_len > sizeof(key->data)) { - brcmf_err("Too long key length (%u)\n", params->key_len); - err = -EINVAL; - goto done; - } - key->len = params->key_len; - key->index = key_idx; - - memcpy(key->data, params->key, key->len); - - key->flags = BRCMF_PRIMARY_KEY; - switch (params->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - key->algo = CRYPTO_ALGO_WEP1; - val = WEP_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); - break; - case WLAN_CIPHER_SUITE_WEP104: - key->algo = CRYPTO_ALGO_WEP128; - val = WEP_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); - break; - case WLAN_CIPHER_SUITE_TKIP: - if (!brcmf_is_apmode(ifp->vif)) { - brcmf_dbg(CONN, "Swapping RX/TX MIC key\n"); - memcpy(keybuf, &key->data[24], sizeof(keybuf)); - memcpy(&key->data[24], &key->data[16], sizeof(keybuf)); - memcpy(&key->data[16], keybuf, sizeof(keybuf)); - } - key->algo = CRYPTO_ALGO_TKIP; - val = TKIP_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); - break; - case WLAN_CIPHER_SUITE_AES_CMAC: - key->algo = CRYPTO_ALGO_AES_CCM; - val = AES_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); - break; - case WLAN_CIPHER_SUITE_CCMP: - key->algo = CRYPTO_ALGO_AES_CCM; - val = AES_ENABLED; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_CCMP\n"); - break; - default: - brcmf_err("Invalid cipher (0x%x)\n", params->cipher); - err = -EINVAL; - goto done; - } - - err = send_key_to_dongle(ifp, key); - if (err) - goto done; - - err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); - if (err) { - brcmf_err("get wsec error (%d)\n", err); - goto done; - } - wsec |= val; - err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); - if (err) { - brcmf_err("set wsec error (%d)\n", err); - goto done; - } - -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_idx, bool pairwise, const u8 *mac_addr) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_wsec_key key; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - if (key_idx >= BRCMF_MAX_DEFAULT_KEYS) { - /* we ignore this key index in this case */ - return -EINVAL; - } - - memset(&key, 0, sizeof(key)); - - key.index = (u32) key_idx; - key.flags = BRCMF_PRIMARY_KEY; - key.algo = CRYPTO_ALGO_OFF; - - brcmf_dbg(CONN, "key index (%d)\n", key_idx); - - /* Set the new key/index */ - err = send_key_to_dongle(ifp, &key); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, - u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, - void (*callback) (void *cookie, struct key_params * params)) -{ - struct key_params params; - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_cfg80211_security *sec; - s32 wsec; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - brcmf_dbg(CONN, "key index (%d)\n", key_idx); - if (!check_vif_up(ifp->vif)) - return -EIO; - - memset(¶ms, 0, sizeof(params)); - - err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); - if (err) { - brcmf_err("WLC_GET_WSEC error (%d)\n", err); - /* Ignore this error, may happen during DISASSOC */ - err = -EAGAIN; - goto done; - } - if (wsec & WEP_ENABLED) { - sec = &profile->sec; - if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { - params.cipher = WLAN_CIPHER_SUITE_WEP40; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP40\n"); - } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { - params.cipher = WLAN_CIPHER_SUITE_WEP104; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n"); - } - } else if (wsec & TKIP_ENABLED) { - params.cipher = WLAN_CIPHER_SUITE_TKIP; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n"); - } else if (wsec & AES_ENABLED) { - params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; - brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n"); - } else { - brcmf_err("Invalid algo (0x%x)\n", wsec); - err = -EINVAL; - goto done; - } - callback(cookie, ¶ms); - -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, - struct net_device *ndev, u8 key_idx) -{ - brcmf_dbg(INFO, "Not supported\n"); - - return -EOPNOTSUPP; -} - -static void -brcmf_cfg80211_reconfigure_wep(struct brcmf_if *ifp) -{ - s32 err; - u8 key_idx; - struct brcmf_wsec_key *key; - s32 wsec; - - for (key_idx = 0; key_idx < BRCMF_MAX_DEFAULT_KEYS; key_idx++) { - key = &ifp->vif->profile.key[key_idx]; - if ((key->algo == CRYPTO_ALGO_WEP1) || - (key->algo == CRYPTO_ALGO_WEP128)) - break; - } - if (key_idx == BRCMF_MAX_DEFAULT_KEYS) - return; - - err = send_key_to_dongle(ifp, key); - if (err) { - brcmf_err("Setting WEP key failed (%d)\n", err); - return; - } - err = brcmf_fil_bsscfg_int_get(ifp, "wsec", &wsec); - if (err) { - brcmf_err("get wsec error (%d)\n", err); - return; - } - wsec |= WEP_ENABLED; - err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); - if (err) - brcmf_err("set wsec error (%d)\n", err); -} - -static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) -{ - struct nl80211_sta_flag_update *sfu; - - brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); - si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); - sfu = &si->sta_flags; - sfu->mask = BIT(NL80211_STA_FLAG_WME) | - BIT(NL80211_STA_FLAG_AUTHENTICATED) | - BIT(NL80211_STA_FLAG_ASSOCIATED) | - BIT(NL80211_STA_FLAG_AUTHORIZED); - if (fw_sta_flags & BRCMF_STA_WME) - sfu->set |= BIT(NL80211_STA_FLAG_WME); - if (fw_sta_flags & BRCMF_STA_AUTHE) - sfu->set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); - if (fw_sta_flags & BRCMF_STA_ASSOC) - sfu->set |= BIT(NL80211_STA_FLAG_ASSOCIATED); - if (fw_sta_flags & BRCMF_STA_AUTHO) - sfu->set |= BIT(NL80211_STA_FLAG_AUTHORIZED); -} - -static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) -{ - struct { - __le32 len; - struct brcmf_bss_info_le bss_le; - } *buf; - u16 capability; - int err; - - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (!buf) - return; - - buf->len = cpu_to_le32(WL_BSS_INFO_MAX); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, buf, - WL_BSS_INFO_MAX); - if (err) { - brcmf_err("Failed to get bss info (%d)\n", err); - return; - } - si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); - si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); - si->bss_param.dtim_period = buf->bss_le.dtim_period; - capability = le16_to_cpu(buf->bss_le.capability); - if (capability & IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT) - si->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; - if (capability & WLAN_CAPABILITY_SHORT_PREAMBLE) - si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; - if (capability & WLAN_CAPABILITY_SHORT_SLOT_TIME) - si->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; -} - -static s32 -brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, - const u8 *mac, struct station_info *sinfo) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err = 0; - struct brcmf_sta_info_le sta_info_le; - u32 sta_flags; - u32 is_tdls_peer; - s32 total_rssi; - s32 count_rssi; - u32 i; - - brcmf_dbg(TRACE, "Enter, MAC %pM\n", mac); - if (!check_vif_up(ifp->vif)) - return -EIO; - - memset(&sta_info_le, 0, sizeof(sta_info_le)); - memcpy(&sta_info_le, mac, ETH_ALEN); - err = brcmf_fil_iovar_data_get(ifp, "tdls_sta_info", - &sta_info_le, - sizeof(sta_info_le)); - is_tdls_peer = !err; - if (err) { - err = brcmf_fil_iovar_data_get(ifp, "sta_info", - &sta_info_le, - sizeof(sta_info_le)); - if (err < 0) { - brcmf_err("GET STA INFO failed, %d\n", err); - goto done; - } - } - brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); - sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME); - sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; - sta_flags = le32_to_cpu(sta_info_le.flags); - brcmf_convert_sta_flags(sta_flags, sinfo); - sinfo->sta_flags.mask |= BIT(NL80211_STA_FLAG_TDLS_PEER); - if (is_tdls_peer) - sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); - else - sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); - if (sta_flags & BRCMF_STA_ASSOC) { - sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); - sinfo->connected_time = le32_to_cpu(sta_info_le.in); - brcmf_fill_bss_param(ifp, sinfo); - } - if (sta_flags & BRCMF_STA_SCBSTATS) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); - sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); - sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); - sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); - sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); - sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); - sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); - sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); - if (sinfo->tx_packets) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); - sinfo->txrate.legacy = - le32_to_cpu(sta_info_le.tx_rate) / 100; - } - if (sinfo->rx_packets) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); - sinfo->rxrate.legacy = - le32_to_cpu(sta_info_le.rx_rate) / 100; - } - if (le16_to_cpu(sta_info_le.ver) >= 4) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); - sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); - sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); - } - total_rssi = 0; - count_rssi = 0; - for (i = 0; i < BRCMF_ANT_MAX; i++) { - if (sta_info_le.rssi[i]) { - sinfo->chain_signal_avg[count_rssi] = - sta_info_le.rssi[i]; - sinfo->chain_signal[count_rssi] = - sta_info_le.rssi[i]; - total_rssi += sta_info_le.rssi[i]; - count_rssi++; - } - } - if (count_rssi) { - sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL); - sinfo->chains = count_rssi; - - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); - total_rssi /= count_rssi; - sinfo->signal = total_rssi; - } - } -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static int -brcmf_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *ndev, - int idx, u8 *mac, struct station_info *sinfo) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - - brcmf_dbg(TRACE, "Enter, idx %d\n", idx); - - if (idx == 0) { - cfg->assoclist.count = cpu_to_le32(BRCMF_MAX_ASSOCLIST); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_ASSOCLIST, - &cfg->assoclist, - sizeof(cfg->assoclist)); - if (err) { - brcmf_err("BRCMF_C_GET_ASSOCLIST unsupported, err=%d\n", - err); - cfg->assoclist.count = 0; - return -EOPNOTSUPP; - } - } - if (idx < le32_to_cpu(cfg->assoclist.count)) { - memcpy(mac, cfg->assoclist.mac[idx], ETH_ALEN); - return brcmf_cfg80211_get_station(wiphy, ndev, mac, sinfo); - } - return -ENOENT; -} - -static s32 -brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, - bool enabled, s32 timeout) -{ - s32 pm; - s32 err = 0; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter\n"); - - /* - * Powersave enable/disable request is coming from the - * cfg80211 even before the interface is up. In that - * scenario, driver will be storing the power save - * preference in cfg struct to apply this to - * FW later while initializing the dongle - */ - cfg->pwr_save = enabled; - if (!check_vif_up(ifp->vif)) { - - brcmf_dbg(INFO, "Device is not ready, storing the value in cfg_info struct\n"); - goto done; - } - - pm = enabled ? PM_FAST : PM_OFF; - /* Do not enable the power save after assoc if it is a p2p interface */ - if (ifp->vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT) { - brcmf_dbg(INFO, "Do not enable power save for P2P clients\n"); - pm = PM_OFF; - } - brcmf_dbg(INFO, "power save %s\n", (pm ? "enabled" : "disabled")); - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm); - if (err) { - if (err == -ENODEV) - brcmf_err("net_device is not ready yet\n"); - else - brcmf_err("error (%d)\n", err); - } -done: - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bi) -{ - struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct ieee80211_channel *notify_channel; - struct cfg80211_bss *bss; - struct ieee80211_supported_band *band; - struct brcmu_chan ch; - u16 channel; - u32 freq; - u16 notify_capability; - u16 notify_interval; - u8 *notify_ie; - size_t notify_ielen; - s32 notify_signal; - - if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { - brcmf_err("Bss info is larger than buffer. Discarding\n"); - return 0; - } - - if (!bi->ctl_ch) { - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - bi->ctl_ch = ch.chnum; - } - channel = bi->ctl_ch; - - if (channel <= CH_MAX_2G_CHANNEL) - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - else - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - - freq = ieee80211_channel_to_frequency(channel, band->band); - notify_channel = ieee80211_get_channel(wiphy, freq); - - notify_capability = le16_to_cpu(bi->capability); - notify_interval = le16_to_cpu(bi->beacon_period); - notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); - notify_ielen = le32_to_cpu(bi->ie_length); - notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; - - brcmf_dbg(CONN, "bssid: %pM\n", bi->BSSID); - brcmf_dbg(CONN, "Channel: %d(%d)\n", channel, freq); - brcmf_dbg(CONN, "Capability: %X\n", notify_capability); - brcmf_dbg(CONN, "Beacon interval: %d\n", notify_interval); - brcmf_dbg(CONN, "Signal: %d\n", notify_signal); - - bss = cfg80211_inform_bss(wiphy, notify_channel, - CFG80211_BSS_FTYPE_UNKNOWN, - (const u8 *)bi->BSSID, - 0, notify_capability, - notify_interval, notify_ie, - notify_ielen, notify_signal, - GFP_KERNEL); - - if (!bss) - return -ENOMEM; - - cfg80211_put_bss(wiphy, bss); - - return 0; -} - -static struct brcmf_bss_info_le * -next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) -{ - if (bss == NULL) - return list->bss_info_le; - return (struct brcmf_bss_info_le *)((unsigned long)bss + - le32_to_cpu(bss->length)); -} - -static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_scan_results *bss_list; - struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ - s32 err = 0; - int i; - - bss_list = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; - if (bss_list->count != 0 && - bss_list->version != BRCMF_BSS_INFO_VERSION) { - brcmf_err("Version %d != WL_BSS_INFO_VERSION\n", - bss_list->version); - return -EOPNOTSUPP; - } - brcmf_dbg(SCAN, "scanned AP count (%d)\n", bss_list->count); - for (i = 0; i < bss_list->count; i++) { - bi = next_bss_le(bss_list, bi); - err = brcmf_inform_single_bss(cfg, bi); - if (err) - break; - } - return err; -} - -static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, const u8 *bssid) -{ - struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct ieee80211_channel *notify_channel; - struct brcmf_bss_info_le *bi = NULL; - struct ieee80211_supported_band *band; - struct cfg80211_bss *bss; - struct brcmu_chan ch; - u8 *buf = NULL; - s32 err = 0; - u32 freq; - u16 notify_capability; - u16 notify_interval; - u8 *notify_ie; - size_t notify_ielen; - s32 notify_signal; - - brcmf_dbg(TRACE, "Enter\n"); - - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (buf == NULL) { - err = -ENOMEM; - goto CleanUp; - } - - *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - - err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO, - buf, WL_BSS_INFO_MAX); - if (err) { - brcmf_err("WLC_GET_BSS_INFO failed: %d\n", err); - goto CleanUp; - } - - bi = (struct brcmf_bss_info_le *)(buf + 4); - - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - else - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - - freq = ieee80211_channel_to_frequency(ch.chnum, band->band); - notify_channel = ieee80211_get_channel(wiphy, freq); - - notify_capability = le16_to_cpu(bi->capability); - notify_interval = le16_to_cpu(bi->beacon_period); - notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); - notify_ielen = le32_to_cpu(bi->ie_length); - notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; - - brcmf_dbg(CONN, "channel: %d(%d)\n", ch.chnum, freq); - brcmf_dbg(CONN, "capability: %X\n", notify_capability); - brcmf_dbg(CONN, "beacon interval: %d\n", notify_interval); - brcmf_dbg(CONN, "signal: %d\n", notify_signal); - - bss = cfg80211_inform_bss(wiphy, notify_channel, - CFG80211_BSS_FTYPE_UNKNOWN, bssid, 0, - notify_capability, notify_interval, - notify_ie, notify_ielen, notify_signal, - GFP_KERNEL); - - if (!bss) { - err = -ENOMEM; - goto CleanUp; - } - - cfg80211_put_bss(wiphy, bss); - -CleanUp: - - kfree(buf); - - brcmf_dbg(TRACE, "Exit\n"); - - return err; -} - -static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_profile *profile = ndev_to_prof(ifp->ndev); - struct brcmf_bss_info_le *bi; - struct brcmf_ssid *ssid; - const struct brcmf_tlv *tim; - u16 beacon_interval; - u8 dtim_period; - size_t ie_len; - u8 *ie; - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (brcmf_is_ibssmode(ifp->vif)) - return err; - - ssid = &profile->ssid; - - *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, - cfg->extra_buf, WL_EXTRA_BUF_MAX); - if (err) { - brcmf_err("Could not get bss info %d\n", err); - goto update_bss_info_out; - } - - bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); - err = brcmf_inform_single_bss(cfg, bi); - if (err) - goto update_bss_info_out; - - ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); - ie_len = le32_to_cpu(bi->ie_length); - beacon_interval = le16_to_cpu(bi->beacon_period); - - tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); - if (tim) - dtim_period = tim->data[1]; - else { - /* - * active scan was done so we could not get dtim - * information out of probe response. - * so we speficially query dtim information to dongle. - */ - u32 var; - err = brcmf_fil_iovar_int_get(ifp, "dtim_assoc", &var); - if (err) { - brcmf_err("wl dtim_assoc failed (%d)\n", err); - goto update_bss_info_out; - } - dtim_period = (u8)var; - } - -update_bss_info_out: - brcmf_dbg(TRACE, "Exit"); - return err; -} - -void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) -{ - struct escan_info *escan = &cfg->escan_info; - - set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); - if (cfg->scan_request) { - escan->escan_state = WL_ESCAN_STATE_IDLE; - brcmf_notify_escan_complete(cfg, escan->ifp, true, true); - } - clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status); -} - -static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) -{ - struct brcmf_cfg80211_info *cfg = - container_of(work, struct brcmf_cfg80211_info, - escan_timeout_work); - - brcmf_inform_bss(cfg); - brcmf_notify_escan_complete(cfg, cfg->escan_info.ifp, true, true); -} - -static void brcmf_escan_timeout(unsigned long data) -{ - struct brcmf_cfg80211_info *cfg = - (struct brcmf_cfg80211_info *)data; - - if (cfg->scan_request) { - brcmf_err("timer expired\n"); - schedule_work(&cfg->escan_timeout_work); - } -} - -static s32 -brcmf_compare_update_same_bss(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bss, - struct brcmf_bss_info_le *bss_info_le) -{ - struct brcmu_chan ch_bss, ch_bss_info_le; - - ch_bss.chspec = le16_to_cpu(bss->chanspec); - cfg->d11inf.decchspec(&ch_bss); - ch_bss_info_le.chspec = le16_to_cpu(bss_info_le->chanspec); - cfg->d11inf.decchspec(&ch_bss_info_le); - - if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && - ch_bss.band == ch_bss_info_le.band && - bss_info_le->SSID_len == bss->SSID_len && - !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { - if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == - (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL)) { - s16 bss_rssi = le16_to_cpu(bss->RSSI); - s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); - - /* preserve max RSSI if the measurements are - * both on-channel or both off-channel - */ - if (bss_info_rssi > bss_rssi) - bss->RSSI = bss_info_le->RSSI; - } else if ((bss->flags & BRCMF_BSS_RSSI_ON_CHANNEL) && - (bss_info_le->flags & BRCMF_BSS_RSSI_ON_CHANNEL) == 0) { - /* preserve the on-channel rssi measurement - * if the new measurement is off channel - */ - bss->RSSI = bss_info_le->RSSI; - bss->flags |= BRCMF_BSS_RSSI_ON_CHANNEL; - } - return 1; - } - return 0; -} - -static s32 -brcmf_cfg80211_escan_handler(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 status; - struct brcmf_escan_result_le *escan_result_le; - struct brcmf_bss_info_le *bss_info_le; - struct brcmf_bss_info_le *bss = NULL; - u32 bi_length; - struct brcmf_scan_results *list; - u32 i; - bool aborted; - - status = e->status; - - if (!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("scan not ready, bssidx=%d\n", ifp->bssidx); - return -EPERM; - } - - if (status == BRCMF_E_STATUS_PARTIAL) { - brcmf_dbg(SCAN, "ESCAN Partial result\n"); - escan_result_le = (struct brcmf_escan_result_le *) data; - if (!escan_result_le) { - brcmf_err("Invalid escan result (NULL pointer)\n"); - goto exit; - } - if (le16_to_cpu(escan_result_le->bss_count) != 1) { - brcmf_err("Invalid bss_count %d: ignoring\n", - escan_result_le->bss_count); - goto exit; - } - bss_info_le = &escan_result_le->bss_info_le; - - if (brcmf_p2p_scan_finding_common_channel(cfg, bss_info_le)) - goto exit; - - if (!cfg->scan_request) { - brcmf_dbg(SCAN, "result without cfg80211 request\n"); - goto exit; - } - - bi_length = le32_to_cpu(bss_info_le->length); - if (bi_length != (le32_to_cpu(escan_result_le->buflen) - - WL_ESCAN_RESULTS_FIXED_SIZE)) { - brcmf_err("Invalid bss_info length %d: ignoring\n", - bi_length); - goto exit; - } - - if (!(cfg_to_wiphy(cfg)->interface_modes & - BIT(NL80211_IFTYPE_ADHOC))) { - if (le16_to_cpu(bss_info_le->capability) & - WLAN_CAPABILITY_IBSS) { - brcmf_err("Ignoring IBSS result\n"); - goto exit; - } - } - - list = (struct brcmf_scan_results *) - cfg->escan_info.escan_buf; - if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { - brcmf_err("Buffer is too small: ignoring\n"); - goto exit; - } - - for (i = 0; i < list->count; i++) { - bss = bss ? (struct brcmf_bss_info_le *) - ((unsigned char *)bss + - le32_to_cpu(bss->length)) : list->bss_info_le; - if (brcmf_compare_update_same_bss(cfg, bss, - bss_info_le)) - goto exit; - } - memcpy(&(cfg->escan_info.escan_buf[list->buflen]), - bss_info_le, bi_length); - list->version = le32_to_cpu(bss_info_le->version); - list->buflen += bi_length; - list->count++; - } else { - cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; - if (brcmf_p2p_scan_finding_common_channel(cfg, NULL)) - goto exit; - if (cfg->scan_request) { - brcmf_inform_bss(cfg); - aborted = status != BRCMF_E_STATUS_SUCCESS; - brcmf_notify_escan_complete(cfg, ifp, aborted, false); - } else - brcmf_dbg(SCAN, "Ignored scan complete result 0x%x\n", - status); - } -exit: - return 0; -} - -static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) -{ - brcmf_fweh_register(cfg->pub, BRCMF_E_ESCAN_RESULT, - brcmf_cfg80211_escan_handler); - cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; - /* Init scan_timeout timer */ - init_timer(&cfg->escan_timeout); - cfg->escan_timeout.data = (unsigned long) cfg; - cfg->escan_timeout.function = brcmf_escan_timeout; - INIT_WORK(&cfg->escan_timeout_work, - brcmf_cfg80211_escan_timeout_worker); -} - -static __always_inline void brcmf_delay(u32 ms) -{ - if (ms < 1000 / HZ) { - cond_resched(); - mdelay(ms); - } else { - msleep(ms); - } -} - -static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4], - u8 *pattern, u32 patternsize, u8 *mask, - u32 packet_offset) -{ - struct brcmf_fil_wowl_pattern_le *filter; - u32 masksize; - u32 patternoffset; - u8 *buf; - u32 bufsize; - s32 ret; - - masksize = (patternsize + 7) / 8; - patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize; - - bufsize = sizeof(*filter) + patternsize + masksize; - buf = kzalloc(bufsize, GFP_KERNEL); - if (!buf) - return -ENOMEM; - filter = (struct brcmf_fil_wowl_pattern_le *)buf; - - memcpy(filter->cmd, cmd, 4); - filter->masksize = cpu_to_le32(masksize); - filter->offset = cpu_to_le32(packet_offset); - filter->patternoffset = cpu_to_le32(patternoffset); - filter->patternsize = cpu_to_le32(patternsize); - filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP); - - if ((mask) && (masksize)) - memcpy(buf + sizeof(*filter), mask, masksize); - if ((pattern) && (patternsize)) - memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize); - - ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize); - - kfree(buf); - return ret; -} - -static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter\n"); - - if (cfg->wowl_enabled) { - brcmf_configure_arp_offload(ifp, true); - brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, - cfg->pre_wowl_pmmode); - brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0); - brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0); - cfg->wowl_enabled = false; - } - return 0; -} - -static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, - struct cfg80211_wowlan *wowl) -{ - u32 wowl_config; - u32 i; - - brcmf_dbg(TRACE, "Suspend, wowl config.\n"); - - brcmf_configure_arp_offload(ifp, false); - brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode); - brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX); - - wowl_config = 0; - if (wowl->disconnect) - wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR; - if (wowl->magic_pkt) - wowl_config |= BRCMF_WOWL_MAGIC; - if ((wowl->patterns) && (wowl->n_patterns)) { - wowl_config |= BRCMF_WOWL_NET; - for (i = 0; i < wowl->n_patterns; i++) { - brcmf_config_wowl_pattern(ifp, "add", - (u8 *)wowl->patterns[i].pattern, - wowl->patterns[i].pattern_len, - (u8 *)wowl->patterns[i].mask, - wowl->patterns[i].pkt_offset); - } - } - brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config); - brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1); - brcmf_bus_wowl_config(cfg->pub->bus_if, true); - cfg->wowl_enabled = true; -} - -static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, - struct cfg80211_wowlan *wowl) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct net_device *ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(TRACE, "Enter\n"); - - /* if the primary net_device is not READY there is nothing - * we can do but pray resume goes smoothly. - */ - if (!check_vif_up(ifp->vif)) - goto exit; - - /* end any scanning */ - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) - brcmf_abort_scanning(cfg); - - if (wowl == NULL) { - brcmf_bus_wowl_config(cfg->pub->bus_if, false); - list_for_each_entry(vif, &cfg->vif_list, list) { - if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) - continue; - /* While going to suspend if associated with AP - * disassociate from AP to save power while system is - * in suspended state - */ - brcmf_link_down(vif, WLAN_REASON_UNSPECIFIED); - /* Make sure WPA_Supplicant receives all the event - * generated due to DISASSOC call to the fw to keep - * the state fw and WPA_Supplicant state consistent - */ - brcmf_delay(500); - } - /* Configure MPC */ - brcmf_set_mpc(ifp, 1); - - } else { - /* Configure WOWL paramaters */ - brcmf_configure_wowl(cfg, ifp, wowl); - } - -exit: - brcmf_dbg(TRACE, "Exit\n"); - /* clear any scanning activity */ - cfg->scan_status = 0; - return 0; -} - -static __used s32 -brcmf_update_pmklist(struct net_device *ndev, - struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) -{ - int i, j; - u32 pmkid_len; - - pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); - - brcmf_dbg(CONN, "No of elements %d\n", pmkid_len); - for (i = 0; i < pmkid_len; i++) { - brcmf_dbg(CONN, "PMKID[%d]: %pM =\n", i, - &pmk_list->pmkids.pmkid[i].BSSID); - for (j = 0; j < WLAN_PMKID_LEN; j++) - brcmf_dbg(CONN, "%02x\n", - pmk_list->pmkids.pmkid[i].PMKID[j]); - } - - if (!err) - brcmf_fil_iovar_data_set(netdev_priv(ndev), "pmkid_info", - (char *)pmk_list, sizeof(*pmk_list)); - - return err; -} - -static s32 -brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_pmksa *pmksa) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct pmkid_list *pmkids = &cfg->pmk_list->pmkids; - s32 err = 0; - u32 pmkid_len, i; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - pmkid_len = le32_to_cpu(pmkids->npmkid); - for (i = 0; i < pmkid_len; i++) - if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) - break; - if (i < WL_NUM_PMKIDS_MAX) { - memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); - memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); - if (i == pmkid_len) { - pmkid_len++; - pmkids->npmkid = cpu_to_le32(pmkid_len); - } - } else - err = -EINVAL; - - brcmf_dbg(CONN, "set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", - pmkids->pmkid[pmkid_len].BSSID); - for (i = 0; i < WLAN_PMKID_LEN; i++) - brcmf_dbg(CONN, "%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); - - err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_pmksa *pmksa) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - struct pmkid_list pmkid; - s32 err = 0; - u32 pmkid_len, i; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); - memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); - - brcmf_dbg(CONN, "del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", - &pmkid.pmkid[0].BSSID); - for (i = 0; i < WLAN_PMKID_LEN; i++) - brcmf_dbg(CONN, "%02x\n", pmkid.pmkid[0].PMKID[i]); - - pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); - for (i = 0; i < pmkid_len; i++) - if (!memcmp - (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, - ETH_ALEN)) - break; - - if ((pmkid_len > 0) - && (i < pmkid_len)) { - memset(&cfg->pmk_list->pmkids.pmkid[i], 0, - sizeof(struct pmkid)); - for (; i < (pmkid_len - 1); i++) { - memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, - &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, - ETH_ALEN); - memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, - &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, - WLAN_PMKID_LEN); - } - cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); - } else - err = -EINVAL; - - err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; - -} - -static s32 -brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - if (!check_vif_up(ifp->vif)) - return -EIO; - - memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); - err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; - -} - -/* - * PFN result doesn't have all the info which are - * required by the supplicant - * (For e.g IEs) Do a target Escan so that sched scan results are reported - * via wl_inform_single_bss in the required format. Escan does require the - * scan request in the form of cfg80211_scan_request. For timebeing, create - * cfg80211_scan_request one out of the received PNO event. - */ -static s32 -brcmf_notify_sched_scan_results(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_pno_net_info_le *netinfo, *netinfo_start; - struct cfg80211_scan_request *request = NULL; - struct cfg80211_ssid *ssid = NULL; - struct ieee80211_channel *channel = NULL; - struct wiphy *wiphy = cfg_to_wiphy(cfg); - int err = 0; - int channel_req = 0; - int band = 0; - struct brcmf_pno_scanresults_le *pfn_result; - u32 result_count; - u32 status; - - brcmf_dbg(SCAN, "Enter\n"); - - if (e->event_code == BRCMF_E_PFN_NET_LOST) { - brcmf_dbg(SCAN, "PFN NET LOST event. Do Nothing\n"); - return 0; - } - - pfn_result = (struct brcmf_pno_scanresults_le *)data; - result_count = le32_to_cpu(pfn_result->count); - status = le32_to_cpu(pfn_result->status); - - /* - * PFN event is limited to fit 512 bytes so we may get - * multiple NET_FOUND events. For now place a warning here. - */ - WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); - brcmf_dbg(SCAN, "PFN NET FOUND event. count: %d\n", result_count); - if (result_count > 0) { - int i; - - request = kzalloc(sizeof(*request), GFP_KERNEL); - ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); - channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); - if (!request || !ssid || !channel) { - err = -ENOMEM; - goto out_err; - } - - request->wiphy = wiphy; - data += sizeof(struct brcmf_pno_scanresults_le); - netinfo_start = (struct brcmf_pno_net_info_le *)data; - - for (i = 0; i < result_count; i++) { - netinfo = &netinfo_start[i]; - if (!netinfo) { - brcmf_err("Invalid netinfo ptr. index: %d\n", - i); - err = -EINVAL; - goto out_err; - } - - brcmf_dbg(SCAN, "SSID:%s Channel:%d\n", - netinfo->SSID, netinfo->channel); - memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); - ssid[i].ssid_len = netinfo->SSID_len; - request->n_ssids++; - - channel_req = netinfo->channel; - if (channel_req <= CH_MAX_2G_CHANNEL) - band = NL80211_BAND_2GHZ; - else - band = NL80211_BAND_5GHZ; - channel[i].center_freq = - ieee80211_channel_to_frequency(channel_req, - band); - channel[i].band = band; - channel[i].flags |= IEEE80211_CHAN_NO_HT40; - request->channels[i] = &channel[i]; - request->n_channels++; - } - - /* assign parsed ssid array */ - if (request->n_ssids) - request->ssids = &ssid[0]; - - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - /* Abort any on-going scan */ - brcmf_abort_scanning(cfg); - } - - set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - cfg->escan_info.run = brcmf_run_escan; - err = brcmf_do_escan(cfg, wiphy, ifp, request); - if (err) { - clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status); - goto out_err; - } - cfg->sched_escan = true; - cfg->scan_request = request; - } else { - brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); - goto out_err; - } - - kfree(ssid); - kfree(channel); - kfree(request); - return 0; - -out_err: - kfree(ssid); - kfree(channel); - kfree(request); - cfg80211_sched_scan_stopped(wiphy); - return err; -} - -static int brcmf_dev_pno_clean(struct net_device *ndev) -{ - int ret; - - /* Disable pfn */ - ret = brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 0); - if (ret == 0) { - /* clear pfn */ - ret = brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfnclear", - NULL, 0); - } - if (ret < 0) - brcmf_err("failed code %d\n", ret); - - return ret; -} - -static int brcmf_dev_pno_config(struct net_device *ndev) -{ - struct brcmf_pno_param_le pfn_param; - - memset(&pfn_param, 0, sizeof(pfn_param)); - pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); - - /* set extra pno params */ - pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); - pfn_param.repeat = BRCMF_PNO_REPEAT; - pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; - - /* set up pno scan fr */ - pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); - - return brcmf_fil_iovar_data_set(netdev_priv(ndev), "pfn_set", - &pfn_param, sizeof(pfn_param)); -} - -static int -brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, - struct net_device *ndev, - struct cfg80211_sched_scan_request *request) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_pno_net_param_le pfn; - int i; - int ret = 0; - - brcmf_dbg(SCAN, "Enter n_match_sets:%d n_ssids:%d\n", - request->n_match_sets, request->n_ssids); - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) { - brcmf_err("Scanning already: status (%lu)\n", cfg->scan_status); - return -EAGAIN; - } - if (test_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status)) { - brcmf_err("Scanning suppressed: status (%lu)\n", - cfg->scan_status); - return -EAGAIN; - } - - if (!request->n_ssids || !request->n_match_sets) { - brcmf_dbg(SCAN, "Invalid sched scan req!! n_ssids:%d\n", - request->n_ssids); - return -EINVAL; - } - - if (request->n_ssids > 0) { - for (i = 0; i < request->n_ssids; i++) { - /* Active scan req for ssids */ - brcmf_dbg(SCAN, ">>> Active scan req for ssid (%s)\n", - request->ssids[i].ssid); - - /* - * match_set ssids is a supert set of n_ssid list, - * so we need not add these set seperately. - */ - } - } - - if (request->n_match_sets > 0) { - /* clean up everything */ - ret = brcmf_dev_pno_clean(ndev); - if (ret < 0) { - brcmf_err("failed error=%d\n", ret); - return ret; - } - - /* configure pno */ - ret = brcmf_dev_pno_config(ndev); - if (ret < 0) { - brcmf_err("PNO setup failed!! ret=%d\n", ret); - return -EINVAL; - } - - /* configure each match set */ - for (i = 0; i < request->n_match_sets; i++) { - struct cfg80211_ssid *ssid; - u32 ssid_len; - - ssid = &request->match_sets[i].ssid; - ssid_len = ssid->ssid_len; - - if (!ssid_len) { - brcmf_err("skip broadcast ssid\n"); - continue; - } - pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); - pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); - pfn.wsec = cpu_to_le32(0); - pfn.infra = cpu_to_le32(1); - pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); - pfn.ssid.SSID_len = cpu_to_le32(ssid_len); - memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); - ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn, - sizeof(pfn)); - brcmf_dbg(SCAN, ">>> PNO filter %s for ssid (%s)\n", - ret == 0 ? "set" : "failed", ssid->ssid); - } - /* Enable the PNO */ - if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) { - brcmf_err("PNO enable failed!! ret=%d\n", ret); - return -EINVAL; - } - } else { - return -EINVAL; - } - - return 0; -} - -static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, - struct net_device *ndev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - - brcmf_dbg(SCAN, "enter\n"); - brcmf_dev_pno_clean(ndev); - if (cfg->sched_escan) - brcmf_notify_escan_complete(cfg, netdev_priv(ndev), true, true); - return 0; -} - -static s32 brcmf_configure_opensecurity(struct brcmf_if *ifp) -{ - s32 err; - - /* set auth */ - err = brcmf_fil_bsscfg_int_set(ifp, "auth", 0); - if (err < 0) { - brcmf_err("auth error %d\n", err); - return err; - } - /* set wsec */ - err = brcmf_fil_bsscfg_int_set(ifp, "wsec", 0); - if (err < 0) { - brcmf_err("wsec error %d\n", err); - return err; - } - /* set upper-layer auth */ - err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", WPA_AUTH_NONE); - if (err < 0) { - brcmf_err("wpa_auth error %d\n", err); - return err; - } - - return 0; -} - -static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) -{ - if (is_rsn_ie) - return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); - - return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); -} - -static s32 -brcmf_configure_wpaie(struct brcmf_if *ifp, - const struct brcmf_vs_tlv *wpa_ie, - bool is_rsn_ie) -{ - u32 auth = 0; /* d11 open authentication */ - u16 count; - s32 err = 0; - s32 len = 0; - u32 i; - u32 wsec; - u32 pval = 0; - u32 gval = 0; - u32 wpa_auth = 0; - u32 offset; - u8 *data; - u16 rsn_cap; - u32 wme_bss_disable; - - brcmf_dbg(TRACE, "Enter\n"); - if (wpa_ie == NULL) - goto exit; - - len = wpa_ie->len + TLV_HDR_LEN; - data = (u8 *)wpa_ie; - offset = TLV_HDR_LEN; - if (!is_rsn_ie) - offset += VS_IE_FIXED_HDR_LEN; - else - offset += WPA_IE_VERSION_LEN; - - /* check for multicast cipher suite */ - if (offset + WPA_IE_MIN_OUI_LEN > len) { - err = -EINVAL; - brcmf_err("no multicast cipher suite\n"); - goto exit; - } - - if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { - err = -EINVAL; - brcmf_err("ivalid OUI\n"); - goto exit; - } - offset += TLV_OUI_LEN; - - /* pick up multicast cipher */ - switch (data[offset]) { - case WPA_CIPHER_NONE: - gval = 0; - break; - case WPA_CIPHER_WEP_40: - case WPA_CIPHER_WEP_104: - gval = WEP_ENABLED; - break; - case WPA_CIPHER_TKIP: - gval = TKIP_ENABLED; - break; - case WPA_CIPHER_AES_CCM: - gval = AES_ENABLED; - break; - default: - err = -EINVAL; - brcmf_err("Invalid multi cast cipher info\n"); - goto exit; - } - - offset++; - /* walk thru unicast cipher list and pick up what we recognize */ - count = data[offset] + (data[offset + 1] << 8); - offset += WPA_IE_SUITE_COUNT_LEN; - /* Check for unicast suite(s) */ - if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { - err = -EINVAL; - brcmf_err("no unicast cipher suite\n"); - goto exit; - } - for (i = 0; i < count; i++) { - if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { - err = -EINVAL; - brcmf_err("ivalid OUI\n"); - goto exit; - } - offset += TLV_OUI_LEN; - switch (data[offset]) { - case WPA_CIPHER_NONE: - break; - case WPA_CIPHER_WEP_40: - case WPA_CIPHER_WEP_104: - pval |= WEP_ENABLED; - break; - case WPA_CIPHER_TKIP: - pval |= TKIP_ENABLED; - break; - case WPA_CIPHER_AES_CCM: - pval |= AES_ENABLED; - break; - default: - brcmf_err("Ivalid unicast security info\n"); - } - offset++; - } - /* walk thru auth management suite list and pick up what we recognize */ - count = data[offset] + (data[offset + 1] << 8); - offset += WPA_IE_SUITE_COUNT_LEN; - /* Check for auth key management suite(s) */ - if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { - err = -EINVAL; - brcmf_err("no auth key mgmt suite\n"); - goto exit; - } - for (i = 0; i < count; i++) { - if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { - err = -EINVAL; - brcmf_err("ivalid OUI\n"); - goto exit; - } - offset += TLV_OUI_LEN; - switch (data[offset]) { - case RSN_AKM_NONE: - brcmf_dbg(TRACE, "RSN_AKM_NONE\n"); - wpa_auth |= WPA_AUTH_NONE; - break; - case RSN_AKM_UNSPECIFIED: - brcmf_dbg(TRACE, "RSN_AKM_UNSPECIFIED\n"); - is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : - (wpa_auth |= WPA_AUTH_UNSPECIFIED); - break; - case RSN_AKM_PSK: - brcmf_dbg(TRACE, "RSN_AKM_PSK\n"); - is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : - (wpa_auth |= WPA_AUTH_PSK); - break; - default: - brcmf_err("Ivalid key mgmt info\n"); - } - offset++; - } - - if (is_rsn_ie) { - wme_bss_disable = 1; - if ((offset + RSN_CAP_LEN) <= len) { - rsn_cap = data[offset] + (data[offset + 1] << 8); - if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) - wme_bss_disable = 0; - } - /* set wme_bss_disable to sync RSN Capabilities */ - err = brcmf_fil_bsscfg_int_set(ifp, "wme_bss_disable", - wme_bss_disable); - if (err < 0) { - brcmf_err("wme_bss_disable error %d\n", err); - goto exit; - } - } - /* FOR WPS , set SES_OW_ENABLED */ - wsec = (pval | gval | SES_OW_ENABLED); - - /* set auth */ - err = brcmf_fil_bsscfg_int_set(ifp, "auth", auth); - if (err < 0) { - brcmf_err("auth error %d\n", err); - goto exit; - } - /* set wsec */ - err = brcmf_fil_bsscfg_int_set(ifp, "wsec", wsec); - if (err < 0) { - brcmf_err("wsec error %d\n", err); - goto exit; - } - /* set upper-layer auth */ - err = brcmf_fil_bsscfg_int_set(ifp, "wpa_auth", wpa_auth); - if (err < 0) { - brcmf_err("wpa_auth error %d\n", err); - goto exit; - } - -exit: - return err; -} - -static s32 -brcmf_parse_vndr_ies(const u8 *vndr_ie_buf, u32 vndr_ie_len, - struct parsed_vndr_ies *vndr_ies) -{ - struct brcmf_vs_tlv *vndrie; - struct brcmf_tlv *ie; - struct parsed_vndr_ie_info *parsed_info; - s32 remaining_len; - - remaining_len = (s32)vndr_ie_len; - memset(vndr_ies, 0, sizeof(*vndr_ies)); - - ie = (struct brcmf_tlv *)vndr_ie_buf; - while (ie) { - if (ie->id != WLAN_EID_VENDOR_SPECIFIC) - goto next; - vndrie = (struct brcmf_vs_tlv *)ie; - /* len should be bigger than OUI length + one */ - if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { - brcmf_err("invalid vndr ie. length is too small %d\n", - vndrie->len); - goto next; - } - /* if wpa or wme ie, do not add ie */ - if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && - ((vndrie->oui_type == WPA_OUI_TYPE) || - (vndrie->oui_type == WME_OUI_TYPE))) { - brcmf_dbg(TRACE, "Found WPA/WME oui. Do not add it\n"); - goto next; - } - - parsed_info = &vndr_ies->ie_info[vndr_ies->count]; - - /* save vndr ie information */ - parsed_info->ie_ptr = (char *)vndrie; - parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; - memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); - - vndr_ies->count++; - - brcmf_dbg(TRACE, "** OUI %02x %02x %02x, type 0x%02x\n", - parsed_info->vndrie.oui[0], - parsed_info->vndrie.oui[1], - parsed_info->vndrie.oui[2], - parsed_info->vndrie.oui_type); - - if (vndr_ies->count >= VNDR_IE_PARSE_LIMIT) - break; -next: - remaining_len -= (ie->len + TLV_HDR_LEN); - if (remaining_len <= TLV_HDR_LEN) - ie = NULL; - else - ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len + - TLV_HDR_LEN); - } - return 0; -} - -static u32 -brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) -{ - - strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); - iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; - - put_unaligned_le32(1, &iebuf[VNDR_IE_COUNT_OFFSET]); - - put_unaligned_le32(pktflag, &iebuf[VNDR_IE_PKTFLAG_OFFSET]); - - memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); - - return ie_len + VNDR_IE_HDR_SIZE; -} - -s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, - const u8 *vndr_ie_buf, u32 vndr_ie_len) -{ - struct brcmf_if *ifp; - struct vif_saved_ie *saved_ie; - s32 err = 0; - u8 *iovar_ie_buf; - u8 *curr_ie_buf; - u8 *mgmt_ie_buf = NULL; - int mgmt_ie_buf_len; - u32 *mgmt_ie_len; - u32 del_add_ie_buf_len = 0; - u32 total_ie_buf_len = 0; - u32 parsed_ie_buf_len = 0; - struct parsed_vndr_ies old_vndr_ies; - struct parsed_vndr_ies new_vndr_ies; - struct parsed_vndr_ie_info *vndrie_info; - s32 i; - u8 *ptr; - int remained_buf_len; - - if (!vif) - return -ENODEV; - ifp = vif->ifp; - saved_ie = &vif->saved_ie; - - brcmf_dbg(TRACE, "bssidx %d, pktflag : 0x%02X\n", ifp->bssidx, pktflag); - iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); - if (!iovar_ie_buf) - return -ENOMEM; - curr_ie_buf = iovar_ie_buf; - switch (pktflag) { - case BRCMF_VNDR_IE_PRBREQ_FLAG: - mgmt_ie_buf = saved_ie->probe_req_ie; - mgmt_ie_len = &saved_ie->probe_req_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->probe_req_ie); - break; - case BRCMF_VNDR_IE_PRBRSP_FLAG: - mgmt_ie_buf = saved_ie->probe_res_ie; - mgmt_ie_len = &saved_ie->probe_res_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->probe_res_ie); - break; - case BRCMF_VNDR_IE_BEACON_FLAG: - mgmt_ie_buf = saved_ie->beacon_ie; - mgmt_ie_len = &saved_ie->beacon_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->beacon_ie); - break; - case BRCMF_VNDR_IE_ASSOCREQ_FLAG: - mgmt_ie_buf = saved_ie->assoc_req_ie; - mgmt_ie_len = &saved_ie->assoc_req_ie_len; - mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie); - break; - default: - err = -EPERM; - brcmf_err("not suitable type\n"); - goto exit; - } - - if (vndr_ie_len > mgmt_ie_buf_len) { - err = -ENOMEM; - brcmf_err("extra IE size too big\n"); - goto exit; - } - - /* parse and save new vndr_ie in curr_ie_buff before comparing it */ - if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { - ptr = curr_ie_buf; - brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); - for (i = 0; i < new_vndr_ies.count; i++) { - vndrie_info = &new_vndr_ies.ie_info[i]; - memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, - vndrie_info->ie_len); - parsed_ie_buf_len += vndrie_info->ie_len; - } - } - - if (mgmt_ie_buf && *mgmt_ie_len) { - if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && - (memcmp(mgmt_ie_buf, curr_ie_buf, - parsed_ie_buf_len) == 0)) { - brcmf_dbg(TRACE, "Previous mgmt IE equals to current IE\n"); - goto exit; - } - - /* parse old vndr_ie */ - brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); - - /* make a command to delete old ie */ - for (i = 0; i < old_vndr_ies.count; i++) { - vndrie_info = &old_vndr_ies.ie_info[i]; - - brcmf_dbg(TRACE, "DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", - vndrie_info->vndrie.id, - vndrie_info->vndrie.len, - vndrie_info->vndrie.oui[0], - vndrie_info->vndrie.oui[1], - vndrie_info->vndrie.oui[2]); - - del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, - vndrie_info->ie_ptr, - vndrie_info->ie_len, - "del"); - curr_ie_buf += del_add_ie_buf_len; - total_ie_buf_len += del_add_ie_buf_len; - } - } - - *mgmt_ie_len = 0; - /* Add if there is any extra IE */ - if (mgmt_ie_buf && parsed_ie_buf_len) { - ptr = mgmt_ie_buf; - - remained_buf_len = mgmt_ie_buf_len; - - /* make a command to add new ie */ - for (i = 0; i < new_vndr_ies.count; i++) { - vndrie_info = &new_vndr_ies.ie_info[i]; - - /* verify remained buf size before copy data */ - if (remained_buf_len < (vndrie_info->vndrie.len + - VNDR_IE_VSIE_OFFSET)) { - brcmf_err("no space in mgmt_ie_buf: len left %d", - remained_buf_len); - break; - } - remained_buf_len -= (vndrie_info->ie_len + - VNDR_IE_VSIE_OFFSET); - - brcmf_dbg(TRACE, "ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", - vndrie_info->vndrie.id, - vndrie_info->vndrie.len, - vndrie_info->vndrie.oui[0], - vndrie_info->vndrie.oui[1], - vndrie_info->vndrie.oui[2]); - - del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, - vndrie_info->ie_ptr, - vndrie_info->ie_len, - "add"); - - /* save the parsed IE in wl struct */ - memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, - vndrie_info->ie_len); - *mgmt_ie_len += vndrie_info->ie_len; - - curr_ie_buf += del_add_ie_buf_len; - total_ie_buf_len += del_add_ie_buf_len; - } - } - if (total_ie_buf_len) { - err = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf, - total_ie_buf_len); - if (err) - brcmf_err("vndr ie set error : %d\n", err); - } - -exit: - kfree(iovar_ie_buf); - return err; -} - -s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif) -{ - s32 pktflags[] = { - BRCMF_VNDR_IE_PRBREQ_FLAG, - BRCMF_VNDR_IE_PRBRSP_FLAG, - BRCMF_VNDR_IE_BEACON_FLAG - }; - int i; - - for (i = 0; i < ARRAY_SIZE(pktflags); i++) - brcmf_vif_set_mgmt_ie(vif, pktflags[i], NULL, 0); - - memset(&vif->saved_ie, 0, sizeof(vif->saved_ie)); - return 0; -} - -static s32 -brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif, - struct cfg80211_beacon_data *beacon) -{ - s32 err; - - /* Set Beacon IEs to FW */ - err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_BEACON_FLAG, - beacon->tail, beacon->tail_len); - if (err) { - brcmf_err("Set Beacon IE Failed\n"); - return err; - } - brcmf_dbg(TRACE, "Applied Vndr IEs for Beacon\n"); - - /* Set Probe Response IEs to FW */ - err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBRSP_FLAG, - beacon->proberesp_ies, - beacon->proberesp_ies_len); - if (err) - brcmf_err("Set Probe Resp IE Failed\n"); - else - brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n"); - - return err; -} - -static s32 -brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_ap_settings *settings) -{ - s32 ie_offset; - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(ndev); - const struct brcmf_tlv *ssid_ie; - const struct brcmf_tlv *country_ie; - struct brcmf_ssid_le ssid_le; - s32 err = -EPERM; - const struct brcmf_tlv *rsn_ie; - const struct brcmf_vs_tlv *wpa_ie; - struct brcmf_join_params join_params; - enum nl80211_iftype dev_role; - struct brcmf_fil_bss_enable_le bss_enable; - u16 chanspec; - bool mbss; - int is_11d; - - brcmf_dbg(TRACE, "ctrlchn=%d, center=%d, bw=%d, beacon_interval=%d, dtim_period=%d,\n", - settings->chandef.chan->hw_value, - settings->chandef.center_freq1, settings->chandef.width, - settings->beacon_interval, settings->dtim_period); - brcmf_dbg(TRACE, "ssid=%s(%zu), auth_type=%d, inactivity_timeout=%d\n", - settings->ssid, settings->ssid_len, settings->auth_type, - settings->inactivity_timeout); - dev_role = ifp->vif->wdev.iftype; - mbss = ifp->vif->mbss; - - /* store current 11d setting */ - brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d); - country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, - settings->beacon.tail_len, - WLAN_EID_COUNTRY); - is_11d = country_ie ? 1 : 0; - - memset(&ssid_le, 0, sizeof(ssid_le)); - if (settings->ssid == NULL || settings->ssid_len == 0) { - ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; - ssid_ie = brcmf_parse_tlvs( - (u8 *)&settings->beacon.head[ie_offset], - settings->beacon.head_len - ie_offset, - WLAN_EID_SSID); - if (!ssid_ie) - return -EINVAL; - - memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); - ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); - brcmf_dbg(TRACE, "SSID is (%s) in Head\n", ssid_le.SSID); - } else { - memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); - ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); - } - - if (!mbss) { - brcmf_set_mpc(ifp, 0); - brcmf_configure_arp_offload(ifp, false); - } - - /* find the RSN_IE */ - rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, - settings->beacon.tail_len, WLAN_EID_RSN); - - /* find the WPA_IE */ - wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, - settings->beacon.tail_len); - - if ((wpa_ie != NULL || rsn_ie != NULL)) { - brcmf_dbg(TRACE, "WPA(2) IE is found\n"); - if (wpa_ie != NULL) { - /* WPA IE */ - err = brcmf_configure_wpaie(ifp, wpa_ie, false); - if (err < 0) - goto exit; - } else { - struct brcmf_vs_tlv *tmp_ie; - - tmp_ie = (struct brcmf_vs_tlv *)rsn_ie; - - /* RSN IE */ - err = brcmf_configure_wpaie(ifp, tmp_ie, true); - if (err < 0) - goto exit; - } - } else { - brcmf_dbg(TRACE, "No WPA(2) IEs found\n"); - brcmf_configure_opensecurity(ifp); - } - - brcmf_config_ap_mgmt_ie(ifp->vif, &settings->beacon); - - if (!mbss) { - chanspec = chandef_to_chanspec(&cfg->d11inf, - &settings->chandef); - err = brcmf_fil_iovar_int_set(ifp, "chanspec", chanspec); - if (err < 0) { - brcmf_err("Set Channel failed: chspec=%d, %d\n", - chanspec, err); - goto exit; - } - - if (is_11d != ifp->vif->is_11d) { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, - is_11d); - if (err < 0) { - brcmf_err("Regulatory Set Error, %d\n", err); - goto exit; - } - } - if (settings->beacon_interval) { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_BCNPRD, - settings->beacon_interval); - if (err < 0) { - brcmf_err("Beacon Interval Set Error, %d\n", - err); - goto exit; - } - } - if (settings->dtim_period) { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_DTIMPRD, - settings->dtim_period); - if (err < 0) { - brcmf_err("DTIM Interval Set Error, %d\n", err); - goto exit; - } - } - - if (dev_role == NL80211_IFTYPE_AP) { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); - if (err < 0) { - brcmf_err("BRCMF_C_DOWN error %d\n", err); - goto exit; - } - brcmf_fil_iovar_int_set(ifp, "apsta", 0); - } - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 1); - if (err < 0) { - brcmf_err("SET INFRA error %d\n", err); - goto exit; - } - } else if (WARN_ON(is_11d != ifp->vif->is_11d)) { - /* Multiple-BSS should use same 11d configuration */ - err = -EINVAL; - goto exit; - } - if (dev_role == NL80211_IFTYPE_AP) { - if ((brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) && (!mbss)) - brcmf_fil_iovar_int_set(ifp, "mbss", 1); - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 1); - if (err < 0) { - brcmf_err("setting AP mode failed %d\n", err); - goto exit; - } - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); - if (err < 0) { - brcmf_err("BRCMF_C_UP error (%d)\n", err); - goto exit; - } - /* On DOWN the firmware removes the WEP keys, reconfigure - * them if they were set. - */ - brcmf_cfg80211_reconfigure_wep(ifp); - - memset(&join_params, 0, sizeof(join_params)); - /* join parameters starts with ssid */ - memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); - /* create softap */ - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, sizeof(join_params)); - if (err < 0) { - brcmf_err("SET SSID error (%d)\n", err); - goto exit; - } - brcmf_dbg(TRACE, "AP mode configuration complete\n"); - } else { - err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le, - sizeof(ssid_le)); - if (err < 0) { - brcmf_err("setting ssid failed %d\n", err); - goto exit; - } - bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); - bss_enable.enable = cpu_to_le32(1); - err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, - sizeof(bss_enable)); - if (err < 0) { - brcmf_err("bss_enable config failed %d\n", err); - goto exit; - } - - brcmf_dbg(TRACE, "GO mode configuration complete\n"); - } - set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); - brcmf_net_setcarrier(ifp, true); - -exit: - if ((err) && (!mbss)) { - brcmf_set_mpc(ifp, 1); - brcmf_configure_arp_offload(ifp, true); - } - return err; -} - -static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - struct brcmf_fil_bss_enable_le bss_enable; - struct brcmf_join_params join_params; - - brcmf_dbg(TRACE, "Enter\n"); - - if (ifp->vif->wdev.iftype == NL80211_IFTYPE_AP) { - /* Due to most likely deauths outstanding we sleep */ - /* first to make sure they get processed by fw. */ - msleep(400); - - if (ifp->vif->mbss) { - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); - return err; - } - - memset(&join_params, 0, sizeof(join_params)); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID, - &join_params, sizeof(join_params)); - if (err < 0) - brcmf_err("SET SSID error (%d)\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); - if (err < 0) - brcmf_err("BRCMF_C_DOWN error %d\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0); - if (err < 0) - brcmf_err("setting AP mode failed %d\n", err); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0); - if (err < 0) - brcmf_err("setting INFRA mode failed %d\n", err); - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) - brcmf_fil_iovar_int_set(ifp, "mbss", 0); - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_REGULATORY, - ifp->vif->is_11d); - if (err < 0) - brcmf_err("restoring REGULATORY setting failed %d\n", - err); - /* Bring device back up so it can be used again */ - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); - if (err < 0) - brcmf_err("BRCMF_C_UP error %d\n", err); - } else { - bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx); - bss_enable.enable = cpu_to_le32(0); - err = brcmf_fil_iovar_data_set(ifp, "bss", &bss_enable, - sizeof(bss_enable)); - if (err < 0) - brcmf_err("bss_enable config failed %d\n", err); - } - brcmf_set_mpc(ifp, 1); - brcmf_configure_arp_offload(ifp, true); - clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state); - brcmf_net_setcarrier(ifp, false); - - return err; -} - -static s32 -brcmf_cfg80211_change_beacon(struct wiphy *wiphy, struct net_device *ndev, - struct cfg80211_beacon_data *info) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - - brcmf_dbg(TRACE, "Enter\n"); - - err = brcmf_config_ap_mgmt_ie(ifp->vif, info); - - return err; -} - -static int -brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, - struct station_del_parameters *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_scb_val_le scbval; - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - - if (!params->mac) - return -EFAULT; - - brcmf_dbg(TRACE, "Enter %pM\n", params->mac); - - if (ifp->vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif) - ifp = cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - if (!check_vif_up(ifp->vif)) - return -EIO; - - memcpy(&scbval.ea, params->mac, ETH_ALEN); - scbval.val = cpu_to_le32(params->reason_code); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, - &scbval, sizeof(scbval)); - if (err) - brcmf_err("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); - - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static int -brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev, - const u8 *mac, struct station_parameters *params) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - s32 err; - - brcmf_dbg(TRACE, "Enter, MAC %pM, mask 0x%04x set 0x%04x\n", mac, - params->sta_flags_mask, params->sta_flags_set); - - /* Ignore all 00 MAC */ - if (is_zero_ether_addr(mac)) - return 0; - - if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) - return 0; - - if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED)) - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_AUTHORIZE, - (void *)mac, ETH_ALEN); - else - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SCB_DEAUTHORIZE, - (void *)mac, ETH_ALEN); - if (err < 0) - brcmf_err("Setting SCB (de-)authorize failed, %d\n", err); - - return err; -} - -static void -brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy, - struct wireless_dev *wdev, - u16 frame_type, bool reg) -{ - struct brcmf_cfg80211_vif *vif; - u16 mgmt_type; - - brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg); - - mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - if (reg) - vif->mgmt_rx_reg |= BIT(mgmt_type); - else - vif->mgmt_rx_reg &= ~BIT(mgmt_type); -} - - -static int -brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, - struct cfg80211_mgmt_tx_params *params, u64 *cookie) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct ieee80211_channel *chan = params->chan; - const u8 *buf = params->buf; - size_t len = params->len; - const struct ieee80211_mgmt *mgmt; - struct brcmf_cfg80211_vif *vif; - s32 err = 0; - s32 ie_offset; - s32 ie_len; - struct brcmf_fil_action_frame_le *action_frame; - struct brcmf_fil_af_params_le *af_params; - bool ack; - s32 chan_nr; - u32 freq; - - brcmf_dbg(TRACE, "Enter\n"); - - *cookie = 0; - - mgmt = (const struct ieee80211_mgmt *)buf; - - if (!ieee80211_is_mgmt(mgmt->frame_control)) { - brcmf_err("Driver only allows MGMT packet type\n"); - return -EPERM; - } - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - if (ieee80211_is_probe_resp(mgmt->frame_control)) { - /* Right now the only reason to get a probe response */ - /* is for p2p listen response or for p2p GO from */ - /* wpa_supplicant. Unfortunately the probe is send */ - /* on primary ndev, while dongle wants it on the p2p */ - /* vif. Since this is only reason for a probe */ - /* response to be sent, the vif is taken from cfg. */ - /* If ever desired to send proberesp for non p2p */ - /* response then data should be checked for */ - /* "DIRECT-". Note in future supplicant will take */ - /* dedicated p2p wdev to do this and then this 'hack'*/ - /* is not needed anymore. */ - ie_offset = DOT11_MGMT_HDR_LEN + - DOT11_BCN_PRB_FIXED_LEN; - ie_len = len - ie_offset; - if (vif == cfg->p2p.bss_idx[P2PAPI_BSSCFG_PRIMARY].vif) - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - err = brcmf_vif_set_mgmt_ie(vif, - BRCMF_VNDR_IE_PRBRSP_FLAG, - &buf[ie_offset], - ie_len); - cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, - GFP_KERNEL); - } else if (ieee80211_is_action(mgmt->frame_control)) { - af_params = kzalloc(sizeof(*af_params), GFP_KERNEL); - if (af_params == NULL) { - brcmf_err("unable to allocate frame\n"); - err = -ENOMEM; - goto exit; - } - action_frame = &af_params->action_frame; - /* Add the packet Id */ - action_frame->packet_id = cpu_to_le32(*cookie); - /* Add BSSID */ - memcpy(&action_frame->da[0], &mgmt->da[0], ETH_ALEN); - memcpy(&af_params->bssid[0], &mgmt->bssid[0], ETH_ALEN); - /* Add the length exepted for 802.11 header */ - action_frame->len = cpu_to_le16(len - DOT11_MGMT_HDR_LEN); - /* Add the channel. Use the one specified as parameter if any or - * the current one (got from the firmware) otherwise - */ - if (chan) - freq = chan->center_freq; - else - brcmf_fil_cmd_int_get(vif->ifp, BRCMF_C_GET_CHANNEL, - &freq); - chan_nr = ieee80211_frequency_to_channel(freq); - af_params->channel = cpu_to_le32(chan_nr); - - memcpy(action_frame->data, &buf[DOT11_MGMT_HDR_LEN], - le16_to_cpu(action_frame->len)); - - brcmf_dbg(TRACE, "Action frame, cookie=%lld, len=%d, freq=%d\n", - *cookie, le16_to_cpu(action_frame->len), freq); - - ack = brcmf_p2p_send_action_frame(cfg, cfg_to_ndev(cfg), - af_params); - - cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, - GFP_KERNEL); - kfree(af_params); - } else { - brcmf_dbg(TRACE, "Unhandled, fc=%04x!!\n", mgmt->frame_control); - brcmf_dbg_hex_dump(true, buf, len, "payload, len=%Zu\n", len); - } - -exit: - return err; -} - - -static int -brcmf_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, - struct wireless_dev *wdev, - u64 cookie) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - int err = 0; - - brcmf_dbg(TRACE, "Enter p2p listen cancel\n"); - - vif = cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (vif == NULL) { - brcmf_err("No p2p device available for probe response\n"); - err = -ENODEV; - goto exit; - } - brcmf_p2p_cancel_remain_on_channel(vif->ifp); -exit: - return err; -} - -static int brcmf_cfg80211_crit_proto_start(struct wiphy *wiphy, - struct wireless_dev *wdev, - enum nl80211_crit_proto_id proto, - u16 duration) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - /* only DHCP support for now */ - if (proto != NL80211_CRIT_PROTO_DHCP) - return -EINVAL; - - /* suppress and abort scanning */ - set_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); - brcmf_abort_scanning(cfg); - - return brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_DISABLED, duration); -} - -static void brcmf_cfg80211_crit_proto_stop(struct wiphy *wiphy, - struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_cfg80211_vif *vif; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - brcmf_btcoex_set_mode(vif, BRCMF_BTCOEX_ENABLED, 0); - clear_bit(BRCMF_SCAN_STATUS_SUPPRESS, &cfg->scan_status); -} - -static s32 -brcmf_notify_tdls_peer_event(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - switch (e->reason) { - case BRCMF_E_REASON_TDLS_PEER_DISCOVERED: - brcmf_dbg(TRACE, "TDLS Peer Discovered\n"); - break; - case BRCMF_E_REASON_TDLS_PEER_CONNECTED: - brcmf_dbg(TRACE, "TDLS Peer Connected\n"); - brcmf_proto_add_tdls_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - break; - case BRCMF_E_REASON_TDLS_PEER_DISCONNECTED: - brcmf_dbg(TRACE, "TDLS Peer Disconnected\n"); - brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - break; - } - - return 0; -} - -static int brcmf_convert_nl80211_tdls_oper(enum nl80211_tdls_operation oper) -{ - int ret; - - switch (oper) { - case NL80211_TDLS_DISCOVERY_REQ: - ret = BRCMF_TDLS_MANUAL_EP_DISCOVERY; - break; - case NL80211_TDLS_SETUP: - ret = BRCMF_TDLS_MANUAL_EP_CREATE; - break; - case NL80211_TDLS_TEARDOWN: - ret = BRCMF_TDLS_MANUAL_EP_DELETE; - break; - default: - brcmf_err("unsupported operation: %d\n", oper); - ret = -EOPNOTSUPP; - } - return ret; -} - -static int brcmf_cfg80211_tdls_oper(struct wiphy *wiphy, - struct net_device *ndev, const u8 *peer, - enum nl80211_tdls_operation oper) -{ - struct brcmf_if *ifp; - struct brcmf_tdls_iovar_le info; - int ret = 0; - - ret = brcmf_convert_nl80211_tdls_oper(oper); - if (ret < 0) - return ret; - - ifp = netdev_priv(ndev); - memset(&info, 0, sizeof(info)); - info.mode = (u8)ret; - if (peer) - memcpy(info.ea, peer, ETH_ALEN); - - ret = brcmf_fil_iovar_data_set(ifp, "tdls_endpoint", - &info, sizeof(info)); - if (ret < 0) - brcmf_err("tdls_endpoint iovar failed: ret=%d\n", ret); - - return ret; -} - -static struct cfg80211_ops wl_cfg80211_ops = { - .add_virtual_intf = brcmf_cfg80211_add_iface, - .del_virtual_intf = brcmf_cfg80211_del_iface, - .change_virtual_intf = brcmf_cfg80211_change_iface, - .scan = brcmf_cfg80211_scan, - .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, - .join_ibss = brcmf_cfg80211_join_ibss, - .leave_ibss = brcmf_cfg80211_leave_ibss, - .get_station = brcmf_cfg80211_get_station, - .dump_station = brcmf_cfg80211_dump_station, - .set_tx_power = brcmf_cfg80211_set_tx_power, - .get_tx_power = brcmf_cfg80211_get_tx_power, - .add_key = brcmf_cfg80211_add_key, - .del_key = brcmf_cfg80211_del_key, - .get_key = brcmf_cfg80211_get_key, - .set_default_key = brcmf_cfg80211_config_default_key, - .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, - .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, - .connect = brcmf_cfg80211_connect, - .disconnect = brcmf_cfg80211_disconnect, - .suspend = brcmf_cfg80211_suspend, - .resume = brcmf_cfg80211_resume, - .set_pmksa = brcmf_cfg80211_set_pmksa, - .del_pmksa = brcmf_cfg80211_del_pmksa, - .flush_pmksa = brcmf_cfg80211_flush_pmksa, - .start_ap = brcmf_cfg80211_start_ap, - .stop_ap = brcmf_cfg80211_stop_ap, - .change_beacon = brcmf_cfg80211_change_beacon, - .del_station = brcmf_cfg80211_del_station, - .change_station = brcmf_cfg80211_change_station, - .sched_scan_start = brcmf_cfg80211_sched_scan_start, - .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, - .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, - .mgmt_tx = brcmf_cfg80211_mgmt_tx, - .remain_on_channel = brcmf_p2p_remain_on_channel, - .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, - .start_p2p_device = brcmf_p2p_start_device, - .stop_p2p_device = brcmf_p2p_stop_device, - .crit_proto_start = brcmf_cfg80211_crit_proto_start, - .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, - .tdls_oper = brcmf_cfg80211_tdls_oper, -}; - -struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, - enum nl80211_iftype type, - bool pm_block) -{ - struct brcmf_cfg80211_vif *vif_walk; - struct brcmf_cfg80211_vif *vif; - bool mbss; - - brcmf_dbg(TRACE, "allocating virtual interface (size=%zu)\n", - sizeof(*vif)); - vif = kzalloc(sizeof(*vif), GFP_KERNEL); - if (!vif) - return ERR_PTR(-ENOMEM); - - vif->wdev.wiphy = cfg->wiphy; - vif->wdev.iftype = type; - - vif->pm_block = pm_block; - vif->roam_off = -1; - - brcmf_init_prof(&vif->profile); - - if (type == NL80211_IFTYPE_AP) { - mbss = false; - list_for_each_entry(vif_walk, &cfg->vif_list, list) { - if (vif_walk->wdev.iftype == NL80211_IFTYPE_AP) { - mbss = true; - break; - } - } - vif->mbss = mbss; - } - - list_add_tail(&vif->list, &cfg->vif_list); - return vif; -} - -void brcmf_free_vif(struct brcmf_cfg80211_vif *vif) -{ - list_del(&vif->list); - kfree(vif); -} - -void brcmf_cfg80211_free_netdev(struct net_device *ndev) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - - ifp = netdev_priv(ndev); - vif = ifp->vif; - - if (vif) - brcmf_free_vif(vif); - free_netdev(ndev); -} - -static bool brcmf_is_linkup(const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { - brcmf_dbg(CONN, "Processing set ssid\n"); - return true; - } - - return false; -} - -static bool brcmf_is_linkdown(const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u16 flags = e->flags; - - if ((event == BRCMF_E_DEAUTH) || (event == BRCMF_E_DEAUTH_IND) || - (event == BRCMF_E_DISASSOC_IND) || - ((event == BRCMF_E_LINK) && (!(flags & BRCMF_EVENT_MSG_LINK)))) { - brcmf_dbg(CONN, "Processing link down\n"); - return true; - } - return false; -} - -static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, - const struct brcmf_event_msg *e) -{ - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { - brcmf_dbg(CONN, "Processing Link %s & no network found\n", - e->flags & BRCMF_EVENT_MSG_LINK ? "up" : "down"); - return true; - } - - if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { - brcmf_dbg(CONN, "Processing connecting & no network found\n"); - return true; - } - - return false; -} - -static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - - kfree(conn_info->req_ie); - conn_info->req_ie = NULL; - conn_info->req_ie_len = 0; - kfree(conn_info->resp_ie); - conn_info->resp_ie = NULL; - conn_info->resp_ie_len = 0; -} - -static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_assoc_ielen_le *assoc_info; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - u32 req_len; - u32 resp_len; - s32 err = 0; - - brcmf_clear_assoc_ies(cfg); - - err = brcmf_fil_iovar_data_get(ifp, "assoc_info", - cfg->extra_buf, WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc info (%d)\n", err); - return err; - } - assoc_info = - (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; - req_len = le32_to_cpu(assoc_info->req_len); - resp_len = le32_to_cpu(assoc_info->resp_len); - if (req_len) { - err = brcmf_fil_iovar_data_get(ifp, "assoc_req_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc req (%d)\n", err); - return err; - } - conn_info->req_ie_len = req_len; - conn_info->req_ie = - kmemdup(cfg->extra_buf, conn_info->req_ie_len, - GFP_KERNEL); - } else { - conn_info->req_ie_len = 0; - conn_info->req_ie = NULL; - } - if (resp_len) { - err = brcmf_fil_iovar_data_get(ifp, "assoc_resp_ies", - cfg->extra_buf, - WL_ASSOC_INFO_MAX); - if (err) { - brcmf_err("could not get assoc resp (%d)\n", err); - return err; - } - conn_info->resp_ie_len = resp_len; - conn_info->resp_ie = - kmemdup(cfg->extra_buf, conn_info->resp_ie_len, - GFP_KERNEL); - } else { - conn_info->resp_ie_len = 0; - conn_info->resp_ie = NULL; - } - brcmf_dbg(CONN, "req len (%d) resp len (%d)\n", - conn_info->req_ie_len, conn_info->resp_ie_len); - - return err; -} - -static s32 -brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - struct wiphy *wiphy = cfg_to_wiphy(cfg); - struct ieee80211_channel *notify_channel = NULL; - struct ieee80211_supported_band *band; - struct brcmf_bss_info_le *bi; - struct brcmu_chan ch; - u32 freq; - s32 err = 0; - u8 *buf; - - brcmf_dbg(TRACE, "Enter\n"); - - brcmf_get_assoc_ies(cfg, ifp); - memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg, ifp); - - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (buf == NULL) { - err = -ENOMEM; - goto done; - } - - /* data sent to dongle has to be little endian */ - *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, - buf, WL_BSS_INFO_MAX); - - if (err) - goto done; - - bi = (struct brcmf_bss_info_le *)(buf + 4); - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - else - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - - freq = ieee80211_channel_to_frequency(ch.chnum, band->band); - notify_channel = ieee80211_get_channel(wiphy, freq); - -done: - kfree(buf); - cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, - conn_info->req_ie, conn_info->req_ie_len, - conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); - brcmf_dbg(CONN, "Report roaming result\n"); - - set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state); - brcmf_dbg(TRACE, "Exit\n"); - return err; -} - -static s32 -brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, const struct brcmf_event_msg *e, - bool completed) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); - - brcmf_dbg(TRACE, "Enter\n"); - - if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING, - &ifp->vif->sme_state)) { - if (completed) { - brcmf_get_assoc_ies(cfg, ifp); - memcpy(profile->bssid, e->addr, ETH_ALEN); - brcmf_update_bss_info(cfg, ifp); - set_bit(BRCMF_VIF_STATUS_CONNECTED, - &ifp->vif->sme_state); - } - cfg80211_connect_result(ndev, - (u8 *)profile->bssid, - conn_info->req_ie, - conn_info->req_ie_len, - conn_info->resp_ie, - conn_info->resp_ie_len, - completed ? WLAN_STATUS_SUCCESS : - WLAN_STATUS_AUTH_TIMEOUT, - GFP_KERNEL); - brcmf_dbg(CONN, "Report connect result - connection %s\n", - completed ? "succeeded" : "failed"); - } - brcmf_dbg(TRACE, "Exit\n"); - return 0; -} - -static s32 -brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - static int generation; - u32 event = e->event_code; - u32 reason = e->reason; - struct station_info sinfo; - - brcmf_dbg(CONN, "event %d, reason %d\n", event, reason); - if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS && - ndev != cfg_to_ndev(cfg)) { - brcmf_dbg(CONN, "AP mode link down\n"); - complete(&cfg->vif_disabled); - if (ifp->vif->mbss) - brcmf_remove_interface(ifp); - return 0; - } - - if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && - (reason == BRCMF_E_STATUS_SUCCESS)) { - memset(&sinfo, 0, sizeof(sinfo)); - if (!data) { - brcmf_err("No IEs present in ASSOC/REASSOC_IND"); - return -EINVAL; - } - sinfo.assoc_req_ies = data; - sinfo.assoc_req_ies_len = e->datalen; - generation++; - sinfo.generation = generation; - cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_KERNEL); - } else if ((event == BRCMF_E_DISASSOC_IND) || - (event == BRCMF_E_DEAUTH_IND) || - (event == BRCMF_E_DEAUTH)) { - cfg80211_del_sta(ndev, e->addr, GFP_KERNEL); - } - return 0; -} - -static s32 -brcmf_notify_connect_status(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct net_device *ndev = ifp->ndev; - struct brcmf_cfg80211_profile *profile = &ifp->vif->profile; - struct ieee80211_channel *chan; - s32 err = 0; - - if ((e->event_code == BRCMF_E_DEAUTH) || - (e->event_code == BRCMF_E_DEAUTH_IND) || - (e->event_code == BRCMF_E_DISASSOC_IND) || - ((e->event_code == BRCMF_E_LINK) && (!e->flags))) { - brcmf_proto_delete_peer(ifp->drvr, ifp->ifidx, (u8 *)e->addr); - } - - if (brcmf_is_apmode(ifp->vif)) { - err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); - } else if (brcmf_is_linkup(e)) { - brcmf_dbg(CONN, "Linkup\n"); - if (brcmf_is_ibssmode(ifp->vif)) { - chan = ieee80211_get_channel(cfg->wiphy, cfg->channel); - memcpy(profile->bssid, e->addr, ETH_ALEN); - wl_inform_ibss(cfg, ndev, e->addr); - cfg80211_ibss_joined(ndev, e->addr, chan, GFP_KERNEL); - clear_bit(BRCMF_VIF_STATUS_CONNECTING, - &ifp->vif->sme_state); - set_bit(BRCMF_VIF_STATUS_CONNECTED, - &ifp->vif->sme_state); - } else - brcmf_bss_connect_done(cfg, ndev, e, true); - brcmf_net_setcarrier(ifp, true); - } else if (brcmf_is_linkdown(e)) { - brcmf_dbg(CONN, "Linkdown\n"); - if (!brcmf_is_ibssmode(ifp->vif)) { - brcmf_bss_connect_done(cfg, ndev, e, false); - } - brcmf_link_down(ifp->vif, brcmf_map_fw_linkdown_reason(e)); - brcmf_init_prof(ndev_to_prof(ndev)); - if (ndev != cfg_to_ndev(cfg)) - complete(&cfg->vif_disabled); - brcmf_net_setcarrier(ifp, false); - } else if (brcmf_is_nonetwork(cfg, e)) { - if (brcmf_is_ibssmode(ifp->vif)) - clear_bit(BRCMF_VIF_STATUS_CONNECTING, - &ifp->vif->sme_state); - else - brcmf_bss_connect_done(cfg, ndev, e, false); - } - - return err; -} - -static s32 -brcmf_notify_roaming_status(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - u32 event = e->event_code; - u32 status = e->status; - - if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { - if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state)) - brcmf_bss_roaming_done(cfg, ifp->ndev, e); - else - brcmf_bss_connect_done(cfg, ifp->ndev, e, true); - } - - return 0; -} - -static s32 -brcmf_notify_mic_status(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - u16 flags = e->flags; - enum nl80211_key_type key_type; - - if (flags & BRCMF_EVENT_MSG_GROUP) - key_type = NL80211_KEYTYPE_GROUP; - else - key_type = NL80211_KEYTYPE_PAIRWISE; - - cfg80211_michael_mic_failure(ifp->ndev, (u8 *)&e->addr, key_type, -1, - NULL, GFP_KERNEL); - - return 0; -} - -static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_if_event *ifevent = (struct brcmf_if_event *)data; - struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(TRACE, "Enter: action %u flags %u ifidx %u bsscfg %u\n", - ifevent->action, ifevent->flags, ifevent->ifidx, - ifevent->bssidx); - - mutex_lock(&event->vif_event_lock); - event->action = ifevent->action; - vif = event->vif; - - switch (ifevent->action) { - case BRCMF_E_IF_ADD: - /* waiting process may have timed out */ - if (!cfg->vif_event.vif) { - mutex_unlock(&event->vif_event_lock); - return -EBADF; - } - - ifp->vif = vif; - vif->ifp = ifp; - if (ifp->ndev) { - vif->wdev.netdev = ifp->ndev; - ifp->ndev->ieee80211_ptr = &vif->wdev; - SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); - } - mutex_unlock(&event->vif_event_lock); - wake_up(&event->vif_wq); - return 0; - - case BRCMF_E_IF_DEL: - mutex_unlock(&event->vif_event_lock); - /* event may not be upon user request */ - if (brcmf_cfg80211_vif_event_armed(cfg)) - wake_up(&event->vif_wq); - return 0; - - case BRCMF_E_IF_CHANGE: - mutex_unlock(&event->vif_event_lock); - wake_up(&event->vif_wq); - return 0; - - default: - mutex_unlock(&event->vif_event_lock); - break; - } - return -EINVAL; -} - -static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) -{ - conf->frag_threshold = (u32)-1; - conf->rts_threshold = (u32)-1; - conf->retry_short = (u32)-1; - conf->retry_long = (u32)-1; - conf->tx_power = -1; -} - -static void brcmf_register_event_handlers(struct brcmf_cfg80211_info *cfg) -{ - brcmf_fweh_register(cfg->pub, BRCMF_E_LINK, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH_IND, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_DEAUTH, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_DISASSOC_IND, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_ASSOC_IND, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_REASSOC_IND, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_ROAM, - brcmf_notify_roaming_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_MIC_ERROR, - brcmf_notify_mic_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_SET_SSID, - brcmf_notify_connect_status); - brcmf_fweh_register(cfg->pub, BRCMF_E_PFN_NET_FOUND, - brcmf_notify_sched_scan_results); - brcmf_fweh_register(cfg->pub, BRCMF_E_IF, - brcmf_notify_vif_event); - brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_PROBEREQ_MSG, - brcmf_p2p_notify_rx_mgmt_p2p_probereq); - brcmf_fweh_register(cfg->pub, BRCMF_E_P2P_DISC_LISTEN_COMPLETE, - brcmf_p2p_notify_listen_complete); - brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_RX, - brcmf_p2p_notify_action_frame_rx); - brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_COMPLETE, - brcmf_p2p_notify_action_tx_complete); - brcmf_fweh_register(cfg->pub, BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE, - brcmf_p2p_notify_action_tx_complete); -} - -static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) -{ - kfree(cfg->conf); - cfg->conf = NULL; - kfree(cfg->escan_ioctl_buf); - cfg->escan_ioctl_buf = NULL; - kfree(cfg->extra_buf); - cfg->extra_buf = NULL; - kfree(cfg->pmk_list); - cfg->pmk_list = NULL; -} - -static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) -{ - cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); - if (!cfg->conf) - goto init_priv_mem_out; - cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); - if (!cfg->escan_ioctl_buf) - goto init_priv_mem_out; - cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); - if (!cfg->extra_buf) - goto init_priv_mem_out; - cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); - if (!cfg->pmk_list) - goto init_priv_mem_out; - - return 0; - -init_priv_mem_out: - brcmf_deinit_priv_mem(cfg); - - return -ENOMEM; -} - -static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) -{ - s32 err = 0; - - cfg->scan_request = NULL; - cfg->pwr_save = true; - cfg->active_scan = true; /* we do active scan per default */ - cfg->dongle_up = false; /* dongle is not up yet */ - err = brcmf_init_priv_mem(cfg); - if (err) - return err; - brcmf_register_event_handlers(cfg); - mutex_init(&cfg->usr_sync); - brcmf_init_escan(cfg); - brcmf_init_conf(cfg->conf); - init_completion(&cfg->vif_disabled); - return err; -} - -static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) -{ - cfg->dongle_up = false; /* dongle down */ - brcmf_abort_scanning(cfg); - brcmf_deinit_priv_mem(cfg); -} - -static void init_vif_event(struct brcmf_cfg80211_vif_event *event) -{ - init_waitqueue_head(&event->vif_wq); - mutex_init(&event->vif_event_lock); -} - -static s32 -brcmf_dongle_roam(struct brcmf_if *ifp, u32 bcn_timeout) -{ - s32 err = 0; - __le32 roamtrigger[2]; - __le32 roam_delta[2]; - - /* - * Setup timeout if Beacons are lost and roam is - * off to report link down - */ - if (brcmf_roamoff) { - err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", bcn_timeout); - if (err) { - brcmf_err("bcn_timeout error (%d)\n", err); - goto dongle_rom_out; - } - } - - /* - * Enable/Disable built-in roaming to allow supplicant - * to take care of roaming - */ - brcmf_dbg(INFO, "Internal Roaming = %s\n", - brcmf_roamoff ? "Off" : "On"); - err = brcmf_fil_iovar_int_set(ifp, "roam_off", !!(brcmf_roamoff)); - if (err) { - brcmf_err("roam_off error (%d)\n", err); - goto dongle_rom_out; - } - - roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); - roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_TRIGGER, - (void *)roamtrigger, sizeof(roamtrigger)); - if (err) { - brcmf_err("WLC_SET_ROAM_TRIGGER error (%d)\n", err); - goto dongle_rom_out; - } - - roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); - roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); - err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_ROAM_DELTA, - (void *)roam_delta, sizeof(roam_delta)); - if (err) { - brcmf_err("WLC_SET_ROAM_DELTA error (%d)\n", err); - goto dongle_rom_out; - } - -dongle_rom_out: - return err; -} - -static s32 -brcmf_dongle_scantime(struct brcmf_if *ifp, s32 scan_assoc_time, - s32 scan_unassoc_time, s32 scan_passive_time) -{ - s32 err = 0; - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, - scan_assoc_time); - if (err) { - if (err == -EOPNOTSUPP) - brcmf_dbg(INFO, "Scan assoc time is not supported\n"); - else - brcmf_err("Scan assoc time error (%d)\n", err); - goto dongle_scantime_out; - } - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, - scan_unassoc_time); - if (err) { - if (err == -EOPNOTSUPP) - brcmf_dbg(INFO, "Scan unassoc time is not supported\n"); - else - brcmf_err("Scan unassoc time error (%d)\n", err); - goto dongle_scantime_out; - } - - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_PASSIVE_TIME, - scan_passive_time); - if (err) { - if (err == -EOPNOTSUPP) - brcmf_dbg(INFO, "Scan passive time is not supported\n"); - else - brcmf_err("Scan passive time error (%d)\n", err); - goto dongle_scantime_out; - } - -dongle_scantime_out: - return err; -} - -static void brcmf_update_bw40_channel_flag(struct ieee80211_channel *channel, - struct brcmu_chan *ch) -{ - u32 ht40_flag; - - ht40_flag = channel->flags & IEEE80211_CHAN_NO_HT40; - if (ch->sb == BRCMU_CHAN_SB_U) { - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - channel->flags &= ~IEEE80211_CHAN_NO_HT40; - channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; - } else { - /* It should be one of - * IEEE80211_CHAN_NO_HT40 or - * IEEE80211_CHAN_NO_HT40PLUS - */ - channel->flags &= ~IEEE80211_CHAN_NO_HT40; - if (ht40_flag == IEEE80211_CHAN_NO_HT40) - channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; - } -} - -static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg, - u32 bw_cap[]) -{ - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct ieee80211_supported_band *band; - struct ieee80211_channel *channel; - struct wiphy *wiphy; - struct brcmf_chanspec_list *list; - struct brcmu_chan ch; - int err; - u8 *pbuf; - u32 i, j; - u32 total; - u32 chaninfo; - u32 index; - - pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); - - if (pbuf == NULL) - return -ENOMEM; - - list = (struct brcmf_chanspec_list *)pbuf; - - err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, - BRCMF_DCMD_MEDLEN); - if (err) { - brcmf_err("get chanspecs error (%d)\n", err); - goto fail_pbuf; - } - - wiphy = cfg_to_wiphy(cfg); - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - if (band) - for (i = 0; i < band->n_channels; i++) - band->channels[i].flags = IEEE80211_CHAN_DISABLED; - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - if (band) - for (i = 0; i < band->n_channels; i++) - band->channels[i].flags = IEEE80211_CHAN_DISABLED; - - total = le32_to_cpu(list->count); - for (i = 0; i < total; i++) { - ch.chspec = (u16)le32_to_cpu(list->element[i]); - cfg->d11inf.decchspec(&ch); - - if (ch.band == BRCMU_CHAN_BAND_2G) { - band = wiphy->bands[IEEE80211_BAND_2GHZ]; - } else if (ch.band == BRCMU_CHAN_BAND_5G) { - band = wiphy->bands[IEEE80211_BAND_5GHZ]; - } else { - brcmf_err("Invalid channel Spec. 0x%x.\n", ch.chspec); - continue; - } - if (!band) - continue; - if (!(bw_cap[band->band] & WLC_BW_40MHZ_BIT) && - ch.bw == BRCMU_CHAN_BW_40) - continue; - if (!(bw_cap[band->band] & WLC_BW_80MHZ_BIT) && - ch.bw == BRCMU_CHAN_BW_80) - continue; - - channel = band->channels; - index = band->n_channels; - for (j = 0; j < band->n_channels; j++) { - if (channel[j].hw_value == ch.chnum) { - index = j; - break; - } - } - channel[index].center_freq = - ieee80211_channel_to_frequency(ch.chnum, band->band); - channel[index].hw_value = ch.chnum; - - /* assuming the chanspecs order is HT20, - * HT40 upper, HT40 lower, and VHT80. - */ - if (ch.bw == BRCMU_CHAN_BW_80) { - channel[index].flags &= ~IEEE80211_CHAN_NO_80MHZ; - } else if (ch.bw == BRCMU_CHAN_BW_40) { - brcmf_update_bw40_channel_flag(&channel[index], &ch); - } else { - /* enable the channel and disable other bandwidths - * for now as mentioned order assure they are enabled - * for subsequent chanspecs. - */ - channel[index].flags = IEEE80211_CHAN_NO_HT40 | - IEEE80211_CHAN_NO_80MHZ; - ch.bw = BRCMU_CHAN_BW_20; - cfg->d11inf.encchspec(&ch); - chaninfo = ch.chspec; - err = brcmf_fil_bsscfg_int_get(ifp, "per_chan_info", - &chaninfo); - if (!err) { - if (chaninfo & WL_CHAN_RADAR) - channel[index].flags |= - (IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IR); - if (chaninfo & WL_CHAN_PASSIVE) - channel[index].flags |= - IEEE80211_CHAN_NO_IR; - } - } - } - -fail_pbuf: - kfree(pbuf); - return err; -} - -static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct ieee80211_supported_band *band; - struct brcmf_fil_bwcap_le band_bwcap; - struct brcmf_chanspec_list *list; - u8 *pbuf; - u32 val; - int err; - struct brcmu_chan ch; - u32 num_chan; - int i, j; - - /* verify support for bw_cap command */ - val = WLC_BAND_5G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &val); - - if (!err) { - /* only set 2G bandwidth using bw_cap command */ - band_bwcap.band = cpu_to_le32(WLC_BAND_2G); - band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ); - err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap, - sizeof(band_bwcap)); - } else { - brcmf_dbg(INFO, "fallback to mimo_bw_cap\n"); - val = WLC_N_BW_40ALL; - err = brcmf_fil_iovar_int_set(ifp, "mimo_bw_cap", val); - } - - if (!err) { - /* update channel info in 2G band */ - pbuf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); - - if (pbuf == NULL) - return -ENOMEM; - - ch.band = BRCMU_CHAN_BAND_2G; - ch.bw = BRCMU_CHAN_BW_40; - ch.sb = BRCMU_CHAN_SB_NONE; - ch.chnum = 0; - cfg->d11inf.encchspec(&ch); - - /* pass encoded chanspec in query */ - *(__le16 *)pbuf = cpu_to_le16(ch.chspec); - - err = brcmf_fil_iovar_data_get(ifp, "chanspecs", pbuf, - BRCMF_DCMD_MEDLEN); - if (err) { - brcmf_err("get chanspecs error (%d)\n", err); - kfree(pbuf); - return err; - } - - band = cfg_to_wiphy(cfg)->bands[IEEE80211_BAND_2GHZ]; - list = (struct brcmf_chanspec_list *)pbuf; - num_chan = le32_to_cpu(list->count); - for (i = 0; i < num_chan; i++) { - ch.chspec = (u16)le32_to_cpu(list->element[i]); - cfg->d11inf.decchspec(&ch); - if (WARN_ON(ch.band != BRCMU_CHAN_BAND_2G)) - continue; - if (WARN_ON(ch.bw != BRCMU_CHAN_BW_40)) - continue; - for (j = 0; j < band->n_channels; j++) { - if (band->channels[j].hw_value == ch.chnum) - break; - } - if (WARN_ON(j == band->n_channels)) - continue; - - brcmf_update_bw40_channel_flag(&band->channels[j], &ch); - } - kfree(pbuf); - } - return err; -} - -static void brcmf_get_bwcap(struct brcmf_if *ifp, u32 bw_cap[]) -{ - u32 band, mimo_bwcap; - int err; - - band = WLC_BAND_2G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); - if (!err) { - bw_cap[IEEE80211_BAND_2GHZ] = band; - band = WLC_BAND_5G; - err = brcmf_fil_iovar_int_get(ifp, "bw_cap", &band); - if (!err) { - bw_cap[IEEE80211_BAND_5GHZ] = band; - return; - } - WARN_ON(1); - return; - } - brcmf_dbg(INFO, "fallback to mimo_bw_cap info\n"); - mimo_bwcap = 0; - err = brcmf_fil_iovar_int_get(ifp, "mimo_bw_cap", &mimo_bwcap); - if (err) - /* assume 20MHz if firmware does not give a clue */ - mimo_bwcap = WLC_N_BW_20ALL; - - switch (mimo_bwcap) { - case WLC_N_BW_40ALL: - bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_40MHZ_BIT; - /* fall-thru */ - case WLC_N_BW_20IN2G_40IN5G: - bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_40MHZ_BIT; - /* fall-thru */ - case WLC_N_BW_20ALL: - bw_cap[IEEE80211_BAND_2GHZ] |= WLC_BW_20MHZ_BIT; - bw_cap[IEEE80211_BAND_5GHZ] |= WLC_BW_20MHZ_BIT; - break; - default: - brcmf_err("invalid mimo_bw_cap value\n"); - } -} - -static void brcmf_update_ht_cap(struct ieee80211_supported_band *band, - u32 bw_cap[2], u32 nchain) -{ - band->ht_cap.ht_supported = true; - if (bw_cap[band->band] & WLC_BW_40MHZ_BIT) { - band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; - band->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - band->ht_cap.cap |= IEEE80211_HT_CAP_SGI_20; - band->ht_cap.cap |= IEEE80211_HT_CAP_DSSSCCK40; - band->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; - band->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; - memset(band->ht_cap.mcs.rx_mask, 0xff, nchain); - band->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; -} - -static __le16 brcmf_get_mcs_map(u32 nchain, enum ieee80211_vht_mcs_support supp) -{ - u16 mcs_map; - int i; - - for (i = 0, mcs_map = 0xFFFF; i < nchain; i++) - mcs_map = (mcs_map << 2) | supp; - - return cpu_to_le16(mcs_map); -} - -static void brcmf_update_vht_cap(struct ieee80211_supported_band *band, - u32 bw_cap[2], u32 nchain) -{ - __le16 mcs_map; - - /* not allowed in 2.4G band */ - if (band->band == IEEE80211_BAND_2GHZ) - return; - - band->vht_cap.vht_supported = true; - /* 80MHz is mandatory */ - band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_80; - if (bw_cap[band->band] & WLC_BW_160MHZ_BIT) { - band->vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ; - band->vht_cap.cap |= IEEE80211_VHT_CAP_SHORT_GI_160; - } - /* all support 256-QAM */ - mcs_map = brcmf_get_mcs_map(nchain, IEEE80211_VHT_MCS_SUPPORT_0_9); - band->vht_cap.vht_mcs.rx_mcs_map = mcs_map; - band->vht_cap.vht_mcs.tx_mcs_map = mcs_map; -} - -static int brcmf_setup_wiphybands(struct wiphy *wiphy) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - u32 nmode = 0; - u32 vhtmode = 0; - u32 bw_cap[2] = { WLC_BW_20MHZ_BIT, WLC_BW_20MHZ_BIT }; - u32 rxchain; - u32 nchain; - int err; - s32 i; - struct ieee80211_supported_band *band; - - (void)brcmf_fil_iovar_int_get(ifp, "vhtmode", &vhtmode); - err = brcmf_fil_iovar_int_get(ifp, "nmode", &nmode); - if (err) { - brcmf_err("nmode error (%d)\n", err); - } else { - brcmf_get_bwcap(ifp, bw_cap); - } - brcmf_dbg(INFO, "nmode=%d, vhtmode=%d, bw_cap=(%d, %d)\n", - nmode, vhtmode, bw_cap[IEEE80211_BAND_2GHZ], - bw_cap[IEEE80211_BAND_5GHZ]); - - err = brcmf_fil_iovar_int_get(ifp, "rxchain", &rxchain); - if (err) { - brcmf_err("rxchain error (%d)\n", err); - nchain = 1; - } else { - for (nchain = 0; rxchain; nchain++) - rxchain = rxchain & (rxchain - 1); - } - brcmf_dbg(INFO, "nchain=%d\n", nchain); - - err = brcmf_construct_chaninfo(cfg, bw_cap); - if (err) { - brcmf_err("brcmf_construct_chaninfo failed (%d)\n", err); - return err; - } - - wiphy = cfg_to_wiphy(cfg); - for (i = 0; i < ARRAY_SIZE(wiphy->bands); i++) { - band = wiphy->bands[i]; - if (band == NULL) - continue; - - if (nmode) - brcmf_update_ht_cap(band, bw_cap, nchain); - if (vhtmode) - brcmf_update_vht_cap(band, bw_cap, nchain); - } - - return 0; -} - -static const struct ieee80211_txrx_stypes -brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { - [NL80211_IFTYPE_STATION] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - }, - [NL80211_IFTYPE_P2P_CLIENT] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - }, - [NL80211_IFTYPE_P2P_GO] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | - BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | - BIT(IEEE80211_STYPE_DISASSOC >> 4) | - BIT(IEEE80211_STYPE_AUTH >> 4) | - BIT(IEEE80211_STYPE_DEAUTH >> 4) | - BIT(IEEE80211_STYPE_ACTION >> 4) - }, - [NL80211_IFTYPE_P2P_DEVICE] = { - .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | - BIT(IEEE80211_STYPE_PROBE_REQ >> 4) - } -}; - -/** - * brcmf_setup_ifmodes() - determine interface modes and combinations. - * - * @wiphy: wiphy object. - * @ifp: interface object needed for feat module api. - * - * The interface modes and combinations are determined dynamically here - * based on firmware functionality. - * - * no p2p and no mbss: - * - * #STA <= 1, #AP <= 1, channels = 1, 2 total - * - * no p2p and mbss: - * - * #STA <= 1, #AP <= 1, channels = 1, 2 total - * #AP <= 4, matching BI, channels = 1, 4 total - * - * p2p, no mchan, and mbss: - * - * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total - * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total - * #AP <= 4, matching BI, channels = 1, 4 total - * - * p2p, mchan, and mbss: - * - * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total - * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total - * #AP <= 4, matching BI, channels = 1, 4 total - */ -static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) -{ - struct ieee80211_iface_combination *combo = NULL; - struct ieee80211_iface_limit *c0_limits = NULL; - struct ieee80211_iface_limit *p2p_limits = NULL; - struct ieee80211_iface_limit *mbss_limits = NULL; - bool mbss, p2p; - int i, c, n_combos; - - mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS); - p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P); - - n_combos = 1 + !!p2p + !!mbss; - combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL); - if (!combo) - goto err; - - c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); - if (!c0_limits) - goto err; - - if (p2p) { - p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); - if (!p2p_limits) - goto err; - } - - if (mbss) { - mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); - if (!mbss_limits) - goto err; - } - - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); - - c = 0; - i = 0; - combo[c].num_different_channels = 1; - c0_limits[i].max = 1; - c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); - if (p2p) { - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) - combo[c].num_different_channels = 2; - wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_DEVICE); - c0_limits[i].max = 1; - c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); - c0_limits[i].max = 1; - c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO); - } else { - c0_limits[i].max = 1; - c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); - } - combo[c].max_interfaces = i; - combo[c].n_limits = i; - combo[c].limits = c0_limits; - - if (p2p) { - c++; - i = 0; - combo[c].num_different_channels = 1; - p2p_limits[i].max = 1; - p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); - p2p_limits[i].max = 1; - p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP); - p2p_limits[i].max = 1; - p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); - p2p_limits[i].max = 1; - p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); - combo[c].max_interfaces = i; - combo[c].n_limits = i; - combo[c].limits = p2p_limits; - } - - if (mbss) { - c++; - combo[c].beacon_int_infra_match = true; - combo[c].num_different_channels = 1; - mbss_limits[0].max = 4; - mbss_limits[0].types = BIT(NL80211_IFTYPE_AP); - combo[c].max_interfaces = 4; - combo[c].n_limits = 1; - combo[c].limits = mbss_limits; - } - wiphy->n_iface_combinations = n_combos; - wiphy->iface_combinations = combo; - return 0; - -err: - kfree(c0_limits); - kfree(p2p_limits); - kfree(mbss_limits); - kfree(combo); - return -ENOMEM; -} - -static void brcmf_wiphy_pno_params(struct wiphy *wiphy) -{ - /* scheduled scan settings */ - wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; - wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; - wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; -} - -#ifdef CONFIG_PM -static const struct wiphy_wowlan_support brcmf_wowlan_support = { - .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT, - .n_patterns = BRCMF_WOWL_MAXPATTERNS, - .pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE, - .pattern_min_len = 1, - .max_pkt_offset = 1500, -}; -#endif - -static void brcmf_wiphy_wowl_params(struct wiphy *wiphy) -{ -#ifdef CONFIG_PM - /* wowl settings */ - wiphy->wowlan = &brcmf_wowlan_support; -#endif -} - -static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp) -{ - struct brcmf_pub *drvr = ifp->drvr; - const struct ieee80211_iface_combination *combo; - struct ieee80211_supported_band *band; - u16 max_interfaces = 0; - __le32 bandlist[3]; - u32 n_bands; - int err, i; - - wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; - wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; - wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; - - err = brcmf_setup_ifmodes(wiphy, ifp); - if (err) - return err; - - for (i = 0, combo = wiphy->iface_combinations; - i < wiphy->n_iface_combinations; i++, combo++) { - max_interfaces = max(max_interfaces, combo->max_interfaces); - } - - for (i = 0; i < max_interfaces && i < ARRAY_SIZE(drvr->addresses); - i++) { - u8 *addr = drvr->addresses[i].addr; - - memcpy(addr, drvr->mac, ETH_ALEN); - if (i) { - addr[0] |= BIT(1); - addr[ETH_ALEN - 1] ^= i; - } - } - wiphy->addresses = drvr->addresses; - wiphy->n_addresses = i; - - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - wiphy->cipher_suites = __wl_cipher_suites; - wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); - wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT | - WIPHY_FLAG_OFFCHAN_TX | - WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | - WIPHY_FLAG_SUPPORTS_TDLS; - if (!brcmf_roamoff) - wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM; - wiphy->mgmt_stypes = brcmf_txrx_stypes; - wiphy->max_remain_on_channel_duration = 5000; - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_PNO)) - brcmf_wiphy_pno_params(wiphy); - - /* vendor commands/events support */ - wiphy->vendor_commands = brcmf_vendor_cmds; - wiphy->n_vendor_commands = BRCMF_VNDR_CMDS_LAST - 1; - - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL)) - brcmf_wiphy_wowl_params(wiphy); - - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BANDLIST, &bandlist, - sizeof(bandlist)); - if (err) { - brcmf_err("could not obtain band info: err=%d\n", err); - return err; - } - /* first entry in bandlist is number of bands */ - n_bands = le32_to_cpu(bandlist[0]); - for (i = 1; i <= n_bands && i < ARRAY_SIZE(bandlist); i++) { - if (bandlist[i] == cpu_to_le32(WLC_BAND_2G)) { - band = kmemdup(&__wl_band_2ghz, sizeof(__wl_band_2ghz), - GFP_KERNEL); - if (!band) - return -ENOMEM; - - band->channels = kmemdup(&__wl_2ghz_channels, - sizeof(__wl_2ghz_channels), - GFP_KERNEL); - if (!band->channels) { - kfree(band); - return -ENOMEM; - } - - band->n_channels = ARRAY_SIZE(__wl_2ghz_channels); - wiphy->bands[IEEE80211_BAND_2GHZ] = band; - } - if (bandlist[i] == cpu_to_le32(WLC_BAND_5G)) { - band = kmemdup(&__wl_band_5ghz, sizeof(__wl_band_5ghz), - GFP_KERNEL); - if (!band) - return -ENOMEM; - - band->channels = kmemdup(&__wl_5ghz_channels, - sizeof(__wl_5ghz_channels), - GFP_KERNEL); - if (!band->channels) { - kfree(band); - return -ENOMEM; - } - - band->n_channels = ARRAY_SIZE(__wl_5ghz_channels); - wiphy->bands[IEEE80211_BAND_5GHZ] = band; - } - } - err = brcmf_setup_wiphybands(wiphy); - return err; -} - -static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) -{ - struct net_device *ndev; - struct wireless_dev *wdev; - struct brcmf_if *ifp; - s32 power_mode; - s32 err = 0; - - if (cfg->dongle_up) - return err; - - ndev = cfg_to_ndev(cfg); - wdev = ndev->ieee80211_ptr; - ifp = netdev_priv(ndev); - - /* make sure RF is ready for work */ - brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0); - - brcmf_dongle_scantime(ifp, WL_SCAN_CHANNEL_TIME, - WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); - - power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, power_mode); - if (err) - goto default_conf_out; - brcmf_dbg(INFO, "power save set to %s\n", - (power_mode ? "enabled" : "disabled")); - - err = brcmf_dongle_roam(ifp, WL_BEACON_TIMEOUT); - if (err) - goto default_conf_out; - err = brcmf_cfg80211_change_iface(wdev->wiphy, ndev, wdev->iftype, - NULL, NULL); - if (err) - goto default_conf_out; - - brcmf_configure_arp_offload(ifp, true); - - cfg->dongle_up = true; -default_conf_out: - - return err; - -} - -static s32 __brcmf_cfg80211_up(struct brcmf_if *ifp) -{ - set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); - - return brcmf_config_dongle(ifp->drvr->config); -} - -static s32 __brcmf_cfg80211_down(struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - - /* - * While going down, if associated with AP disassociate - * from AP to save power - */ - if (check_vif_up(ifp->vif)) { - brcmf_link_down(ifp->vif, WLAN_REASON_UNSPECIFIED); - - /* Make sure WPA_Supplicant receives all the event - generated due to DISASSOC call to the fw to keep - the state fw and WPA_Supplicant state consistent - */ - brcmf_delay(500); - } - - brcmf_abort_scanning(cfg); - clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state); - - return 0; -} - -s32 brcmf_cfg80211_up(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 err = 0; - - mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_up(ifp); - mutex_unlock(&cfg->usr_sync); - - return err; -} - -s32 brcmf_cfg80211_down(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - s32 err = 0; - - mutex_lock(&cfg->usr_sync); - err = __brcmf_cfg80211_down(ifp); - mutex_unlock(&cfg->usr_sync); - - return err; -} - -enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp) -{ - struct wireless_dev *wdev = &ifp->vif->wdev; - - return wdev->iftype; -} - -bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, - unsigned long state) -{ - struct brcmf_cfg80211_vif *vif; - - list_for_each_entry(vif, &cfg->vif_list, list) { - if (test_bit(state, &vif->sme_state)) - return true; - } - return false; -} - -static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, - u8 action) -{ - u8 evt_action; - - mutex_lock(&event->vif_event_lock); - evt_action = event->action; - mutex_unlock(&event->vif_event_lock); - return evt_action == action; -} - -void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, - struct brcmf_cfg80211_vif *vif) -{ - struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - - mutex_lock(&event->vif_event_lock); - event->vif = vif; - event->action = 0; - mutex_unlock(&event->vif_event_lock); -} - -bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - bool armed; - - mutex_lock(&event->vif_event_lock); - armed = event->vif != NULL; - mutex_unlock(&event->vif_event_lock); - - return armed; -} -int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, - u8 action, ulong timeout) -{ - struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - - return wait_event_timeout(event->vif_wq, - vif_event_equals(event, action), timeout); -} - -static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, - struct regulatory_request *req) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct brcmf_fil_country_le ccreq; - int i; - - brcmf_dbg(TRACE, "enter: initiator=%d, alpha=%c%c\n", req->initiator, - req->alpha2[0], req->alpha2[1]); - - /* ignore non-ISO3166 country codes */ - for (i = 0; i < sizeof(req->alpha2); i++) - if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') { - brcmf_err("not a ISO3166 code\n"); - return; - } - memset(&ccreq, 0, sizeof(ccreq)); - ccreq.rev = cpu_to_le32(-1); - memcpy(ccreq.ccode, req->alpha2, sizeof(req->alpha2)); - if (brcmf_fil_iovar_data_set(ifp, "country", &ccreq, sizeof(ccreq))) { - brcmf_err("firmware rejected country setting\n"); - return; - } - brcmf_setup_wiphybands(wiphy); -} - -static void brcmf_free_wiphy(struct wiphy *wiphy) -{ - int i; - - if (!wiphy) - return; - - if (wiphy->iface_combinations) { - for (i = 0; i < wiphy->n_iface_combinations; i++) - kfree(wiphy->iface_combinations[i].limits); - } - kfree(wiphy->iface_combinations); - if (wiphy->bands[IEEE80211_BAND_2GHZ]) { - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); - kfree(wiphy->bands[IEEE80211_BAND_2GHZ]); - } - if (wiphy->bands[IEEE80211_BAND_5GHZ]) { - kfree(wiphy->bands[IEEE80211_BAND_5GHZ]->channels); - kfree(wiphy->bands[IEEE80211_BAND_5GHZ]); - } - wiphy_free(wiphy); -} - -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - struct device *busdev, - bool p2pdev_forced) -{ - struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev; - struct brcmf_cfg80211_info *cfg; - struct wiphy *wiphy; - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - s32 err = 0; - s32 io_type; - u16 *cap = NULL; - - if (!ndev) { - brcmf_err("ndev is invalid\n"); - return NULL; - } - - ifp = netdev_priv(ndev); - wiphy = wiphy_new(&wl_cfg80211_ops, sizeof(struct brcmf_cfg80211_info)); - if (!wiphy) { - brcmf_err("Could not allocate wiphy device\n"); - return NULL; - } - memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN); - set_wiphy_dev(wiphy, busdev); - - cfg = wiphy_priv(wiphy); - cfg->wiphy = wiphy; - cfg->pub = drvr; - init_vif_event(&cfg->vif_event); - INIT_LIST_HEAD(&cfg->vif_list); - - vif = brcmf_alloc_vif(cfg, NL80211_IFTYPE_STATION, false); - if (IS_ERR(vif)) - goto wiphy_out; - - vif->ifp = ifp; - vif->wdev.netdev = ndev; - ndev->ieee80211_ptr = &vif->wdev; - SET_NETDEV_DEV(ndev, wiphy_dev(cfg->wiphy)); - - err = wl_init_priv(cfg); - if (err) { - brcmf_err("Failed to init iwm_priv (%d)\n", err); - brcmf_free_vif(vif); - goto wiphy_out; - } - ifp->vif = vif; - - /* determine d11 io type before wiphy setup */ - err = brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_VERSION, &io_type); - if (err) { - brcmf_err("Failed to get D11 version (%d)\n", err); - goto priv_out; - } - cfg->d11inf.io_type = (u8)io_type; - brcmu_d11_attach(&cfg->d11inf); - - err = brcmf_setup_wiphy(wiphy, ifp); - if (err < 0) - goto priv_out; - - brcmf_dbg(INFO, "Registering custom regulatory\n"); - wiphy->reg_notifier = brcmf_cfg80211_reg_notifier; - wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; - wiphy_apply_custom_regulatory(wiphy, &brcmf_regdom); - - /* firmware defaults to 40MHz disabled in 2G band. We signal - * cfg80211 here that we do and have it decide we can enable - * it. But first check if device does support 2G operation. - */ - if (wiphy->bands[IEEE80211_BAND_2GHZ]) { - cap = &wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap.cap; - *cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - err = wiphy_register(wiphy); - if (err < 0) { - brcmf_err("Could not register wiphy device (%d)\n", err); - goto priv_out; - } - - /* If cfg80211 didn't disable 40MHz HT CAP in wiphy_register(), - * setup 40MHz in 2GHz band and enable OBSS scanning. - */ - if (cap && (*cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { - err = brcmf_enable_bw40_2g(cfg); - if (!err) - err = brcmf_fil_iovar_int_set(ifp, "obss_coex", - BRCMF_OBSS_COEX_AUTO); - else - *cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - } - /* p2p might require that "if-events" get processed by fweh. So - * activate the already registered event handlers now and activate - * the rest when initialization has completed. drvr->config needs to - * be assigned before activating events. - */ - drvr->config = cfg; - err = brcmf_fweh_activate_events(ifp); - if (err) { - brcmf_err("FWEH activation failed (%d)\n", err); - goto wiphy_unreg_out; - } - - err = brcmf_p2p_attach(cfg, p2pdev_forced); - if (err) { - brcmf_err("P2P initilisation failed (%d)\n", err); - goto wiphy_unreg_out; - } - err = brcmf_btcoex_attach(cfg); - if (err) { - brcmf_err("BT-coex initialisation failed (%d)\n", err); - brcmf_p2p_detach(&cfg->p2p); - goto wiphy_unreg_out; - } - - err = brcmf_fil_iovar_int_set(ifp, "tdls_enable", 1); - if (err) { - brcmf_dbg(INFO, "TDLS not enabled (%d)\n", err); - wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_TDLS; - } else { - brcmf_fweh_register(cfg->pub, BRCMF_E_TDLS_PEER_EVENT, - brcmf_notify_tdls_peer_event); - } - - /* (re-) activate FWEH event handling */ - err = brcmf_fweh_activate_events(ifp); - if (err) { - brcmf_err("FWEH activation failed (%d)\n", err); - goto wiphy_unreg_out; - } - - return cfg; - -wiphy_unreg_out: - wiphy_unregister(cfg->wiphy); -priv_out: - wl_deinit_priv(cfg); - brcmf_free_vif(vif); - ifp->vif = NULL; -wiphy_out: - brcmf_free_wiphy(wiphy); - return NULL; -} - -void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) -{ - if (!cfg) - return; - - brcmf_btcoex_detach(cfg); - wiphy_unregister(cfg->wiphy); - wl_deinit_priv(cfg); - brcmf_free_wiphy(cfg->wiphy); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h deleted file mode 100644 index 6a878c8f883f..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.h +++ /dev/null @@ -1,504 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef BRCMFMAC_CFG80211_H -#define BRCMFMAC_CFG80211_H - -/* for brcmu_d11inf */ -#include <brcmu_d11.h> - -#define WL_NUM_SCAN_MAX 10 -#define WL_NUM_PMKIDS_MAX MAXPMKID -#define WL_TLV_INFO_MAX 1024 -#define WL_BSS_INFO_MAX 2048 -#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */ -#define WL_EXTRA_BUF_MAX 2048 -#define WL_ROAM_TRIGGER_LEVEL -75 -#define WL_ROAM_DELTA 20 -#define WL_BEACON_TIMEOUT 3 - -#define WL_SCAN_CHANNEL_TIME 40 -#define WL_SCAN_UNASSOC_TIME 40 -#define WL_SCAN_PASSIVE_TIME 120 - -#define WL_ESCAN_BUF_SIZE (1024 * 64) -#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ - -#define WL_ESCAN_ACTION_START 1 -#define WL_ESCAN_ACTION_CONTINUE 2 -#define WL_ESCAN_ACTION_ABORT 3 - -#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */ -#define IE_MAX_LEN 512 - -/* IE TLV processing */ -#define TLV_LEN_OFF 1 /* length offset */ -#define TLV_HDR_LEN 2 /* header length */ -#define TLV_BODY_OFF 2 /* body offset */ -#define TLV_OUI_LEN 3 /* oui id length */ - -/* 802.11 Mgmt Packet flags */ -#define BRCMF_VNDR_IE_BEACON_FLAG 0x1 -#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2 -#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4 -#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8 -#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10 -#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20 -/* vendor IE in IW advertisement protocol ID field */ -#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40 -/* allow custom IE id */ -#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100 - -/* P2P Action Frames flags (spec ordered) */ -#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000 -#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000 -#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000 -#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000 -#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000 -#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000 -#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000 -#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000 -#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000 - -#define BRCMF_VNDR_IE_P2PAF_SHIFT 12 - -#define BRCMF_MAX_DEFAULT_KEYS 4 - - -/** - * enum brcmf_scan_status - scan engine status - * - * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle. - * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle. - * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver. - */ -enum brcmf_scan_status { - BRCMF_SCAN_STATUS_BUSY, - BRCMF_SCAN_STATUS_ABORT, - BRCMF_SCAN_STATUS_SUPPRESS, -}; - -/* dongle configuration */ -struct brcmf_cfg80211_conf { - u32 frag_threshold; - u32 rts_threshold; - u32 retry_short; - u32 retry_long; - s32 tx_power; - struct ieee80211_channel channel; -}; - -/* basic structure of scan request */ -struct brcmf_cfg80211_scan_req { - struct brcmf_ssid_le ssid_le; -}; - -/* basic structure of information element */ -struct brcmf_cfg80211_ie { - u16 offset; - u8 buf[WL_TLV_INFO_MAX]; -}; - -/* security information with currently associated ap */ -struct brcmf_cfg80211_security { - u32 wpa_versions; - u32 auth_type; - u32 cipher_pairwise; - u32 cipher_group; - u32 wpa_auth; -}; - -/** - * struct brcmf_cfg80211_profile - profile information. - * - * @ssid: ssid of associated/associating ap. - * @bssid: bssid of joined/joining ibss. - * @sec: security information. - * @key: key information - */ -struct brcmf_cfg80211_profile { - struct brcmf_ssid ssid; - u8 bssid[ETH_ALEN]; - struct brcmf_cfg80211_security sec; - struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS]; -}; - -/** - * enum brcmf_vif_status - bit indices for vif status. - * - * @BRCMF_VIF_STATUS_READY: ready for operation. - * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress. - * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully. - * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress. - * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started. - */ -enum brcmf_vif_status { - BRCMF_VIF_STATUS_READY, - BRCMF_VIF_STATUS_CONNECTING, - BRCMF_VIF_STATUS_CONNECTED, - BRCMF_VIF_STATUS_DISCONNECTING, - BRCMF_VIF_STATUS_AP_CREATED -}; - -/** - * struct vif_saved_ie - holds saved IEs for a virtual interface. - * - * @probe_req_ie: IE info for probe request. - * @probe_res_ie: IE info for probe response. - * @beacon_ie: IE info for beacon frame. - * @probe_req_ie_len: IE info length for probe request. - * @probe_res_ie_len: IE info length for probe response. - * @beacon_ie_len: IE info length for beacon frame. - */ -struct vif_saved_ie { - u8 probe_req_ie[IE_MAX_LEN]; - u8 probe_res_ie[IE_MAX_LEN]; - u8 beacon_ie[IE_MAX_LEN]; - u8 assoc_req_ie[IE_MAX_LEN]; - u32 probe_req_ie_len; - u32 probe_res_ie_len; - u32 beacon_ie_len; - u32 assoc_req_ie_len; -}; - -/** - * struct brcmf_cfg80211_vif - virtual interface specific information. - * - * @ifp: lower layer interface pointer - * @wdev: wireless device. - * @profile: profile information. - * @roam_off: roaming state. - * @sme_state: SME state using enum brcmf_vif_status bits. - * @pm_block: power-management blocked. - * @list: linked list. - * @mgmt_rx_reg: registered rx mgmt frame types. - * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P). - */ -struct brcmf_cfg80211_vif { - struct brcmf_if *ifp; - struct wireless_dev wdev; - struct brcmf_cfg80211_profile profile; - s32 roam_off; - unsigned long sme_state; - bool pm_block; - struct vif_saved_ie saved_ie; - struct list_head list; - u16 mgmt_rx_reg; - bool mbss; - int is_11d; -}; - -/* association inform */ -struct brcmf_cfg80211_connect_info { - u8 *req_ie; - s32 req_ie_len; - u8 *resp_ie; - s32 resp_ie_len; -}; - -/* assoc ie length */ -struct brcmf_cfg80211_assoc_ielen_le { - __le32 req_len; - __le32 resp_len; -}; - -/* wpa2 pmk list */ -struct brcmf_cfg80211_pmk_list { - struct pmkid_list pmkids; - struct pmkid foo[MAXPMKID - 1]; -}; - -/* dongle escan state */ -enum wl_escan_state { - WL_ESCAN_STATE_IDLE, - WL_ESCAN_STATE_SCANNING -}; - -struct escan_info { - u32 escan_state; - u8 escan_buf[WL_ESCAN_BUF_SIZE]; - struct wiphy *wiphy; - struct brcmf_if *ifp; - s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, - struct cfg80211_scan_request *request, u16 action); -}; - -/** - * struct brcmf_pno_param_le - PNO scan configuration parameters - * - * @version: PNO parameters version. - * @scan_freq: scan frequency. - * @lost_network_timeout: #sec. to declare discovered network as lost. - * @flags: Bit field to control features of PFN such as sort criteria auto - * enable switch and background scan. - * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort - * criteria. - * @bestn: number of best networks in each scan. - * @mscan: number of scans recorded. - * @repeat: minimum number of scan intervals before scan frequency changes - * in adaptive scan. - * @exp: exponent of 2 for maximum scan interval. - * @slow_freq: slow scan period. - */ -struct brcmf_pno_param_le { - __le32 version; - __le32 scan_freq; - __le32 lost_network_timeout; - __le16 flags; - __le16 rssi_margin; - u8 bestn; - u8 mscan; - u8 repeat; - u8 exp; - __le32 slow_freq; -}; - -/** - * struct brcmf_pno_net_param_le - scan parameters per preferred network. - * - * @ssid: ssid name and its length. - * @flags: bit2: hidden. - * @infra: BSS vs IBSS. - * @auth: Open vs Closed. - * @wpa_auth: WPA type. - * @wsec: wsec value. - */ -struct brcmf_pno_net_param_le { - struct brcmf_ssid_le ssid; - __le32 flags; - __le32 infra; - __le32 auth; - __le32 wpa_auth; - __le32 wsec; -}; - -/** - * struct brcmf_pno_net_info_le - information per found network. - * - * @bssid: BSS network identifier. - * @channel: channel number only. - * @SSID_len: length of ssid. - * @SSID: ssid characters. - * @RSSI: receive signal strength (in dBm). - * @timestamp: age in seconds. - */ -struct brcmf_pno_net_info_le { - u8 bssid[ETH_ALEN]; - u8 channel; - u8 SSID_len; - u8 SSID[32]; - __le16 RSSI; - __le16 timestamp; -}; - -/** - * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event. - * - * @version: PNO version identifier. - * @status: indicates completion status of PNO scan. - * @count: amount of brcmf_pno_net_info_le entries appended. - */ -struct brcmf_pno_scanresults_le { - __le32 version; - __le32 status; - __le32 count; -}; - -/** - * struct brcmf_cfg80211_vif_event - virtual interface event information. - * - * @vif_wq: waitqueue awaiting interface event from firmware. - * @vif_event_lock: protects other members in this structure. - * @vif_complete: completion for net attach. - * @action: either add, change, or delete. - * @vif: virtual interface object related to the event. - */ -struct brcmf_cfg80211_vif_event { - wait_queue_head_t vif_wq; - struct mutex vif_event_lock; - u8 action; - struct brcmf_cfg80211_vif *vif; -}; - -/** - * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface - * - * @wiphy: wiphy object for cfg80211 interface. - * @conf: dongle configuration. - * @p2p: peer-to-peer specific information. - * @btcoex: Bluetooth coexistence information. - * @scan_request: cfg80211 scan request object. - * @usr_sync: mainly for dongle up/down synchronization. - * @bss_list: bss_list holding scanned ap information. - * @scan_req_int: internal scan request object. - * @bss_info: bss information for cfg80211 layer. - * @ie: information element object for internal purpose. - * @conn_info: association info. - * @pmk_list: wpa2 pmk list. - * @scan_status: scan activity on the dongle. - * @pub: common driver information. - * @channel: current channel. - * @active_scan: current scan mode. - * @sched_escan: e-scan for scheduled scan support running. - * @ibss_starter: indicates this sta is ibss starter. - * @pwr_save: indicate whether dongle to support power save mode. - * @dongle_up: indicate whether dongle up or not. - * @roam_on: on/off switch for dongle self-roaming. - * @scan_tried: indicates if first scan attempted. - * @dcmd_buf: dcmd buffer. - * @extra_buf: mainly to grab assoc information. - * @debugfsdir: debugfs folder for this device. - * @escan_info: escan information. - * @escan_timeout: Timer for catch scan timeout. - * @escan_timeout_work: scan timeout worker. - * @escan_ioctl_buf: dongle command buffer for escan commands. - * @vif_list: linked list of vif instances. - * @vif_cnt: number of vif instances. - * @vif_event: vif event signalling. - * @wowl_enabled; set during suspend, is wowl used. - * @pre_wowl_pmmode: intermediate storage of pm mode during wowl. - */ -struct brcmf_cfg80211_info { - struct wiphy *wiphy; - struct brcmf_cfg80211_conf *conf; - struct brcmf_p2p_info p2p; - struct brcmf_btcoex_info *btcoex; - struct cfg80211_scan_request *scan_request; - struct mutex usr_sync; - struct brcmf_cfg80211_scan_req scan_req_int; - struct wl_cfg80211_bss_info *bss_info; - struct brcmf_cfg80211_ie ie; - struct brcmf_cfg80211_connect_info conn_info; - struct brcmf_cfg80211_pmk_list *pmk_list; - unsigned long scan_status; - struct brcmf_pub *pub; - u32 channel; - bool active_scan; - bool sched_escan; - bool ibss_starter; - bool pwr_save; - bool dongle_up; - bool scan_tried; - u8 *dcmd_buf; - u8 *extra_buf; - struct dentry *debugfsdir; - struct escan_info escan_info; - struct timer_list escan_timeout; - struct work_struct escan_timeout_work; - u8 *escan_ioctl_buf; - struct list_head vif_list; - struct brcmf_cfg80211_vif_event vif_event; - struct completion vif_disabled; - struct brcmu_d11inf d11inf; - bool wowl_enabled; - u32 pre_wowl_pmmode; - struct brcmf_assoclist_le assoclist; -}; - -/** - * struct brcmf_tlv - tag_ID/length/value_buffer tuple. - * - * @id: tag identifier. - * @len: number of bytes in value buffer. - * @data: value buffer. - */ -struct brcmf_tlv { - u8 id; - u8 len; - u8 data[1]; -}; - -static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg) -{ - return cfg->wiphy; -} - -static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w) -{ - return (struct brcmf_cfg80211_info *)(wiphy_priv(w)); -} - -static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd) -{ - return (struct brcmf_cfg80211_info *)(wdev_priv(wd)); -} - -static inline -struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_cfg80211_vif *vif; - vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list); - return vif->wdev.netdev; -} - -static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev) -{ - return wdev_to_cfg(ndev->ieee80211_ptr); -} - -static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd) -{ - struct brcmf_if *ifp = netdev_priv(nd); - return &ifp->vif->profile; -} - -static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - return ifp->vif; -} - -static inline struct -brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg) -{ - return &cfg->conn_info; -} - -struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - struct device *busdev, - bool p2pdev_forced); -void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg); -s32 brcmf_cfg80211_up(struct net_device *ndev); -s32 brcmf_cfg80211_down(struct net_device *ndev); -enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp); - -struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, - enum nl80211_iftype type, - bool pm_block); -void brcmf_free_vif(struct brcmf_cfg80211_vif *vif); - -s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag, - const u8 *vndr_ie_buf, u32 vndr_ie_len); -s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif); -const struct brcmf_tlv * -brcmf_parse_tlvs(const void *buf, int buflen, uint key); -u16 channel_to_chanspec(struct brcmu_d11inf *d11inf, - struct ieee80211_channel *ch); -bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg, - unsigned long state); -void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, - struct brcmf_cfg80211_vif *vif); -bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg); -int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg, - u8 action, ulong timeout); -s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, bool aborted, - bool fw_abort); -void brcmf_set_mpc(struct brcmf_if *ndev, int mpc); -void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg); -void brcmf_cfg80211_free_netdev(struct net_device *ndev); - -#endif /* BRCMFMAC_CFG80211_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c deleted file mode 100644 index f04833db2fd0..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/chip.c +++ /dev/null @@ -1,1331 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/list.h> -#include <linux/ssb/ssb_regs.h> -#include <linux/bcma/bcma.h> -#include <linux/bcma/bcma_regs.h> - -#include <defs.h> -#include <soc.h> -#include <brcm_hw_ids.h> -#include <brcmu_utils.h> -#include <chipcommon.h> -#include "debug.h" -#include "chip.h" - -/* SOC Interconnect types (aka chip types) */ -#define SOCI_SB 0 -#define SOCI_AI 1 - -/* PL-368 DMP definitions */ -#define DMP_DESC_TYPE_MSK 0x0000000F -#define DMP_DESC_EMPTY 0x00000000 -#define DMP_DESC_VALID 0x00000001 -#define DMP_DESC_COMPONENT 0x00000001 -#define DMP_DESC_MASTER_PORT 0x00000003 -#define DMP_DESC_ADDRESS 0x00000005 -#define DMP_DESC_ADDRSIZE_GT32 0x00000008 -#define DMP_DESC_EOT 0x0000000F - -#define DMP_COMP_DESIGNER 0xFFF00000 -#define DMP_COMP_DESIGNER_S 20 -#define DMP_COMP_PARTNUM 0x000FFF00 -#define DMP_COMP_PARTNUM_S 8 -#define DMP_COMP_CLASS 0x000000F0 -#define DMP_COMP_CLASS_S 4 -#define DMP_COMP_REVISION 0xFF000000 -#define DMP_COMP_REVISION_S 24 -#define DMP_COMP_NUM_SWRAP 0x00F80000 -#define DMP_COMP_NUM_SWRAP_S 19 -#define DMP_COMP_NUM_MWRAP 0x0007C000 -#define DMP_COMP_NUM_MWRAP_S 14 -#define DMP_COMP_NUM_SPORT 0x00003E00 -#define DMP_COMP_NUM_SPORT_S 9 -#define DMP_COMP_NUM_MPORT 0x000001F0 -#define DMP_COMP_NUM_MPORT_S 4 - -#define DMP_MASTER_PORT_UID 0x0000FF00 -#define DMP_MASTER_PORT_UID_S 8 -#define DMP_MASTER_PORT_NUM 0x000000F0 -#define DMP_MASTER_PORT_NUM_S 4 - -#define DMP_SLAVE_ADDR_BASE 0xFFFFF000 -#define DMP_SLAVE_ADDR_BASE_S 12 -#define DMP_SLAVE_PORT_NUM 0x00000F00 -#define DMP_SLAVE_PORT_NUM_S 8 -#define DMP_SLAVE_TYPE 0x000000C0 -#define DMP_SLAVE_TYPE_S 6 -#define DMP_SLAVE_TYPE_SLAVE 0 -#define DMP_SLAVE_TYPE_BRIDGE 1 -#define DMP_SLAVE_TYPE_SWRAP 2 -#define DMP_SLAVE_TYPE_MWRAP 3 -#define DMP_SLAVE_SIZE_TYPE 0x00000030 -#define DMP_SLAVE_SIZE_TYPE_S 4 -#define DMP_SLAVE_SIZE_4K 0 -#define DMP_SLAVE_SIZE_8K 1 -#define DMP_SLAVE_SIZE_16K 2 -#define DMP_SLAVE_SIZE_DESC 3 - -/* EROM CompIdentB */ -#define CIB_REV_MASK 0xff000000 -#define CIB_REV_SHIFT 24 - -/* ARM CR4 core specific control flag bits */ -#define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 - -/* D11 core specific control flag bits */ -#define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 -#define D11_BCMA_IOCTL_PHYRESET 0x0008 - -/* chip core base & ramsize */ -/* bcm4329 */ -/* SDIO device core, ID 0x829 */ -#define BCM4329_CORE_BUS_BASE 0x18011000 -/* internal memory core, ID 0x80e */ -#define BCM4329_CORE_SOCRAM_BASE 0x18003000 -/* ARM Cortex M3 core, ID 0x82a */ -#define BCM4329_CORE_ARM_BASE 0x18002000 - -/* Max possibly supported memory size (limited by IO mapped memory) */ -#define BRCMF_CHIP_MAX_MEMSIZE (4 * 1024 * 1024) - -#define CORE_SB(base, field) \ - (base + SBCONFIGOFF + offsetof(struct sbconfig, field)) -#define SBCOREREV(sbidh) \ - ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ - ((sbidh) & SSB_IDHIGH_RCLO)) - -struct sbconfig { - u32 PAD[2]; - u32 sbipsflag; /* initiator port ocp slave flag */ - u32 PAD[3]; - u32 sbtpsflag; /* target port ocp slave flag */ - u32 PAD[11]; - u32 sbtmerrloga; /* (sonics >= 2.3) */ - u32 PAD; - u32 sbtmerrlog; /* (sonics >= 2.3) */ - u32 PAD[3]; - u32 sbadmatch3; /* address match3 */ - u32 PAD; - u32 sbadmatch2; /* address match2 */ - u32 PAD; - u32 sbadmatch1; /* address match1 */ - u32 PAD[7]; - u32 sbimstate; /* initiator agent state */ - u32 sbintvec; /* interrupt mask */ - u32 sbtmstatelow; /* target state */ - u32 sbtmstatehigh; /* target state */ - u32 sbbwa0; /* bandwidth allocation table0 */ - u32 PAD; - u32 sbimconfiglow; /* initiator configuration */ - u32 sbimconfighigh; /* initiator configuration */ - u32 sbadmatch0; /* address match0 */ - u32 PAD; - u32 sbtmconfiglow; /* target configuration */ - u32 sbtmconfighigh; /* target configuration */ - u32 sbbconfig; /* broadcast configuration */ - u32 PAD; - u32 sbbstate; /* broadcast state */ - u32 PAD[3]; - u32 sbactcnfg; /* activate configuration */ - u32 PAD[3]; - u32 sbflagst; /* current sbflags */ - u32 PAD[3]; - u32 sbidlow; /* identification */ - u32 sbidhigh; /* identification */ -}; - -/* bankidx and bankinfo reg defines corerev >= 8 */ -#define SOCRAM_BANKINFO_RETNTRAM_MASK 0x00010000 -#define SOCRAM_BANKINFO_SZMASK 0x0000007f -#define SOCRAM_BANKIDX_ROM_MASK 0x00000100 - -#define SOCRAM_BANKIDX_MEMTYPE_SHIFT 8 -/* socram bankinfo memtype */ -#define SOCRAM_MEMTYPE_RAM 0 -#define SOCRAM_MEMTYPE_R0M 1 -#define SOCRAM_MEMTYPE_DEVRAM 2 - -#define SOCRAM_BANKINFO_SZBASE 8192 -#define SRCI_LSS_MASK 0x00f00000 -#define SRCI_LSS_SHIFT 20 -#define SRCI_SRNB_MASK 0xf0 -#define SRCI_SRNB_SHIFT 4 -#define SRCI_SRBSZ_MASK 0xf -#define SRCI_SRBSZ_SHIFT 0 -#define SR_BSZ_BASE 14 - -struct sbsocramregs { - u32 coreinfo; - u32 bwalloc; - u32 extracoreinfo; - u32 biststat; - u32 bankidx; - u32 standbyctrl; - - u32 errlogstatus; /* rev 6 */ - u32 errlogaddr; /* rev 6 */ - /* used for patching rev 3 & 5 */ - u32 cambankidx; - u32 cambankstandbyctrl; - u32 cambankpatchctrl; - u32 cambankpatchtblbaseaddr; - u32 cambankcmdreg; - u32 cambankdatareg; - u32 cambankmaskreg; - u32 PAD[1]; - u32 bankinfo; /* corev 8 */ - u32 bankpda; - u32 PAD[14]; - u32 extmemconfig; - u32 extmemparitycsr; - u32 extmemparityerrdata; - u32 extmemparityerrcnt; - u32 extmemwrctrlandsize; - u32 PAD[84]; - u32 workaround; - u32 pwrctl; /* corerev >= 2 */ - u32 PAD[133]; - u32 sr_control; /* corerev >= 15 */ - u32 sr_status; /* corerev >= 15 */ - u32 sr_address; /* corerev >= 15 */ - u32 sr_data; /* corerev >= 15 */ -}; - -#define SOCRAMREGOFFS(_f) offsetof(struct sbsocramregs, _f) -#define SYSMEMREGOFFS(_f) offsetof(struct sbsocramregs, _f) - -#define ARMCR4_CAP (0x04) -#define ARMCR4_BANKIDX (0x40) -#define ARMCR4_BANKINFO (0x44) -#define ARMCR4_BANKPDA (0x4C) - -#define ARMCR4_TCBBNB_MASK 0xf0 -#define ARMCR4_TCBBNB_SHIFT 4 -#define ARMCR4_TCBANB_MASK 0xf -#define ARMCR4_TCBANB_SHIFT 0 - -#define ARMCR4_BSZ_MASK 0x3f -#define ARMCR4_BSZ_MULT 8192 - -struct brcmf_core_priv { - struct brcmf_core pub; - u32 wrapbase; - struct list_head list; - struct brcmf_chip_priv *chip; -}; - -struct brcmf_chip_priv { - struct brcmf_chip pub; - const struct brcmf_buscore_ops *ops; - void *ctx; - /* assured first core is chipcommon, second core is buscore */ - struct list_head cores; - u16 num_cores; - - bool (*iscoreup)(struct brcmf_core_priv *core); - void (*coredisable)(struct brcmf_core_priv *core, u32 prereset, - u32 reset); - void (*resetcore)(struct brcmf_core_priv *core, u32 prereset, u32 reset, - u32 postreset); -}; - -static void brcmf_chip_sb_corerev(struct brcmf_chip_priv *ci, - struct brcmf_core *core) -{ - u32 regdata; - - regdata = ci->ops->read32(ci->ctx, CORE_SB(core->base, sbidhigh)); - core->rev = SBCOREREV(regdata); -} - -static bool brcmf_chip_sb_iscoreup(struct brcmf_core_priv *core) -{ - struct brcmf_chip_priv *ci; - u32 regdata; - u32 address; - - ci = core->chip; - address = CORE_SB(core->pub.base, sbtmstatelow); - regdata = ci->ops->read32(ci->ctx, address); - regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | - SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); - return SSB_TMSLOW_CLOCK == regdata; -} - -static bool brcmf_chip_ai_iscoreup(struct brcmf_core_priv *core) -{ - struct brcmf_chip_priv *ci; - u32 regdata; - bool ret; - - ci = core->chip; - regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); - ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; - - regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); - ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); - - return ret; -} - -static void brcmf_chip_sb_coredisable(struct brcmf_core_priv *core, - u32 prereset, u32 reset) -{ - struct brcmf_chip_priv *ci; - u32 val, base; - - ci = core->chip; - base = core->pub.base; - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - if (val & SSB_TMSLOW_RESET) - return; - - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - if ((val & SSB_TMSLOW_CLOCK) != 0) { - /* - * set target reject and spin until busy is clear - * (preserve core-specific bits) - */ - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), - val | SSB_TMSLOW_REJECT); - - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - udelay(1); - SPINWAIT((ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)) - & SSB_TMSHIGH_BUSY), 100000); - - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); - if (val & SSB_TMSHIGH_BUSY) - brcmf_err("core state still busy\n"); - - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); - if (val & SSB_IDLOW_INITIATOR) { - val = ci->ops->read32(ci->ctx, - CORE_SB(base, sbimstate)); - val |= SSB_IMSTATE_REJECT; - ci->ops->write32(ci->ctx, - CORE_SB(base, sbimstate), val); - val = ci->ops->read32(ci->ctx, - CORE_SB(base, sbimstate)); - udelay(1); - SPINWAIT((ci->ops->read32(ci->ctx, - CORE_SB(base, sbimstate)) & - SSB_IMSTATE_BUSY), 100000); - } - - /* set reset and reject while enabling the clocks */ - val = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | - SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val); - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - udelay(10); - - /* clear the initiator reject bit */ - val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); - if (val & SSB_IDLOW_INITIATOR) { - val = ci->ops->read32(ci->ctx, - CORE_SB(base, sbimstate)); - val &= ~SSB_IMSTATE_REJECT; - ci->ops->write32(ci->ctx, - CORE_SB(base, sbimstate), val); - } - } - - /* leave reset and reject asserted */ - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), - (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET)); - udelay(1); -} - -static void brcmf_chip_ai_coredisable(struct brcmf_core_priv *core, - u32 prereset, u32 reset) -{ - struct brcmf_chip_priv *ci; - u32 regdata; - - ci = core->chip; - - /* if core is already in reset, skip reset */ - regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); - if ((regdata & BCMA_RESET_CTL_RESET) != 0) - goto in_reset_configure; - - /* configure reset */ - ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, - prereset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); - ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); - - /* put in reset */ - ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, - BCMA_RESET_CTL_RESET); - usleep_range(10, 20); - - /* wait till reset is 1 */ - SPINWAIT(ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) != - BCMA_RESET_CTL_RESET, 300); - -in_reset_configure: - /* in-reset configure */ - ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, - reset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); - ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); -} - -static void brcmf_chip_sb_resetcore(struct brcmf_core_priv *core, u32 prereset, - u32 reset, u32 postreset) -{ - struct brcmf_chip_priv *ci; - u32 regdata; - u32 base; - - ci = core->chip; - base = core->pub.base; - /* - * Must do the disable sequence first to work for - * arbitrary current core state. - */ - brcmf_chip_sb_coredisable(core, 0, 0); - - /* - * Now do the initialization sequence. - * set reset while enabling the clock and - * forcing them on throughout the core - */ - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | - SSB_TMSLOW_RESET); - regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - udelay(1); - - /* clear any serror */ - regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); - if (regdata & SSB_TMSHIGH_SERR) - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatehigh), 0); - - regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); - if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { - regdata &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); - ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), regdata); - } - - /* clear reset and allow it to propagate throughout the core */ - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK); - regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - udelay(1); - - /* leave clock enabled */ - ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), - SSB_TMSLOW_CLOCK); - regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); - udelay(1); -} - -static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, - u32 reset, u32 postreset) -{ - struct brcmf_chip_priv *ci; - int count; - - ci = core->chip; - - /* must disable first to work for arbitrary current core state */ - brcmf_chip_ai_coredisable(core, prereset, reset); - - count = 0; - while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & - BCMA_RESET_CTL_RESET) { - ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, 0); - count++; - if (count > 50) - break; - usleep_range(40, 60); - } - - ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, - postreset | BCMA_IOCTL_CLK); - ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); -} - -static char *brcmf_chip_name(uint chipid, char *buf, uint len) -{ - const char *fmt; - - fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x"; - snprintf(buf, len, fmt, chipid); - return buf; -} - -static struct brcmf_core *brcmf_chip_add_core(struct brcmf_chip_priv *ci, - u16 coreid, u32 base, - u32 wrapbase) -{ - struct brcmf_core_priv *core; - - core = kzalloc(sizeof(*core), GFP_KERNEL); - if (!core) - return ERR_PTR(-ENOMEM); - - core->pub.id = coreid; - core->pub.base = base; - core->chip = ci; - core->wrapbase = wrapbase; - - list_add_tail(&core->list, &ci->cores); - return &core->pub; -} - -/* safety check for chipinfo */ -static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) -{ - struct brcmf_core_priv *core; - bool need_socram = false; - bool has_socram = false; - bool cpu_found = false; - int idx = 1; - - list_for_each_entry(core, &ci->cores, list) { - brcmf_dbg(INFO, " [%-2d] core 0x%x:%-2d base 0x%08x wrap 0x%08x\n", - idx++, core->pub.id, core->pub.rev, core->pub.base, - core->wrapbase); - - switch (core->pub.id) { - case BCMA_CORE_ARM_CM3: - cpu_found = true; - need_socram = true; - break; - case BCMA_CORE_INTERNAL_MEM: - has_socram = true; - break; - case BCMA_CORE_ARM_CR4: - cpu_found = true; - break; - case BCMA_CORE_ARM_CA7: - cpu_found = true; - break; - default: - break; - } - } - - if (!cpu_found) { - brcmf_err("CPU core not detected\n"); - return -ENXIO; - } - /* check RAM core presence for ARM CM3 core */ - if (need_socram && !has_socram) { - brcmf_err("RAM core not provided with ARM CM3 core\n"); - return -ENODEV; - } - return 0; -} - -static u32 brcmf_chip_core_read32(struct brcmf_core_priv *core, u16 reg) -{ - return core->chip->ops->read32(core->chip->ctx, core->pub.base + reg); -} - -static void brcmf_chip_core_write32(struct brcmf_core_priv *core, - u16 reg, u32 val) -{ - core->chip->ops->write32(core->chip->ctx, core->pub.base + reg, val); -} - -static bool brcmf_chip_socram_banksize(struct brcmf_core_priv *core, u8 idx, - u32 *banksize) -{ - u32 bankinfo; - u32 bankidx = (SOCRAM_MEMTYPE_RAM << SOCRAM_BANKIDX_MEMTYPE_SHIFT); - - bankidx |= idx; - brcmf_chip_core_write32(core, SOCRAMREGOFFS(bankidx), bankidx); - bankinfo = brcmf_chip_core_read32(core, SOCRAMREGOFFS(bankinfo)); - *banksize = (bankinfo & SOCRAM_BANKINFO_SZMASK) + 1; - *banksize *= SOCRAM_BANKINFO_SZBASE; - return !!(bankinfo & SOCRAM_BANKINFO_RETNTRAM_MASK); -} - -static void brcmf_chip_socram_ramsize(struct brcmf_core_priv *sr, u32 *ramsize, - u32 *srsize) -{ - u32 coreinfo; - uint nb, banksize, lss; - bool retent; - int i; - - *ramsize = 0; - *srsize = 0; - - if (WARN_ON(sr->pub.rev < 4)) - return; - - if (!brcmf_chip_iscoreup(&sr->pub)) - brcmf_chip_resetcore(&sr->pub, 0, 0, 0); - - /* Get info for determining size */ - coreinfo = brcmf_chip_core_read32(sr, SOCRAMREGOFFS(coreinfo)); - nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; - - if ((sr->pub.rev <= 7) || (sr->pub.rev == 12)) { - banksize = (coreinfo & SRCI_SRBSZ_MASK); - lss = (coreinfo & SRCI_LSS_MASK) >> SRCI_LSS_SHIFT; - if (lss != 0) - nb--; - *ramsize = nb * (1 << (banksize + SR_BSZ_BASE)); - if (lss != 0) - *ramsize += (1 << ((lss - 1) + SR_BSZ_BASE)); - } else { - nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; - for (i = 0; i < nb; i++) { - retent = brcmf_chip_socram_banksize(sr, i, &banksize); - *ramsize += banksize; - if (retent) - *srsize += banksize; - } - } - - /* hardcoded save&restore memory sizes */ - switch (sr->chip->pub.chip) { - case BRCM_CC_4334_CHIP_ID: - if (sr->chip->pub.chiprev < 2) - *srsize = (32 * 1024); - break; - case BRCM_CC_43430_CHIP_ID: - /* assume sr for now as we can not check - * firmware sr capability at this point. - */ - *srsize = (64 * 1024); - break; - default: - break; - } -} - -/** Return the SYS MEM size */ -static u32 brcmf_chip_sysmem_ramsize(struct brcmf_core_priv *sysmem) -{ - u32 memsize = 0; - u32 coreinfo; - u32 idx; - u32 nb; - u32 banksize; - - if (!brcmf_chip_iscoreup(&sysmem->pub)) - brcmf_chip_resetcore(&sysmem->pub, 0, 0, 0); - - coreinfo = brcmf_chip_core_read32(sysmem, SYSMEMREGOFFS(coreinfo)); - nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; - - for (idx = 0; idx < nb; idx++) { - brcmf_chip_socram_banksize(sysmem, idx, &banksize); - memsize += banksize; - } - - return memsize; -} - -/** Return the TCM-RAM size of the ARMCR4 core. */ -static u32 brcmf_chip_tcm_ramsize(struct brcmf_core_priv *cr4) -{ - u32 corecap; - u32 memsize = 0; - u32 nab; - u32 nbb; - u32 totb; - u32 bxinfo; - u32 idx; - - corecap = brcmf_chip_core_read32(cr4, ARMCR4_CAP); - - nab = (corecap & ARMCR4_TCBANB_MASK) >> ARMCR4_TCBANB_SHIFT; - nbb = (corecap & ARMCR4_TCBBNB_MASK) >> ARMCR4_TCBBNB_SHIFT; - totb = nab + nbb; - - for (idx = 0; idx < totb; idx++) { - brcmf_chip_core_write32(cr4, ARMCR4_BANKIDX, idx); - bxinfo = brcmf_chip_core_read32(cr4, ARMCR4_BANKINFO); - memsize += ((bxinfo & ARMCR4_BSZ_MASK) + 1) * ARMCR4_BSZ_MULT; - } - - return memsize; -} - -static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci) -{ - switch (ci->pub.chip) { - case BRCM_CC_4345_CHIP_ID: - return 0x198000; - case BRCM_CC_4335_CHIP_ID: - case BRCM_CC_4339_CHIP_ID: - case BRCM_CC_4350_CHIP_ID: - case BRCM_CC_4354_CHIP_ID: - case BRCM_CC_4356_CHIP_ID: - case BRCM_CC_43567_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - case BRCM_CC_43570_CHIP_ID: - case BRCM_CC_4358_CHIP_ID: - case BRCM_CC_43602_CHIP_ID: - case BRCM_CC_4371_CHIP_ID: - return 0x180000; - case BRCM_CC_4365_CHIP_ID: - case BRCM_CC_4366_CHIP_ID: - return 0x200000; - default: - brcmf_err("unknown chip: %s\n", ci->pub.name); - break; - } - return 0; -} - -static int brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) -{ - struct brcmf_core_priv *mem_core; - struct brcmf_core *mem; - - mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_ARM_CR4); - if (mem) { - mem_core = container_of(mem, struct brcmf_core_priv, pub); - ci->pub.ramsize = brcmf_chip_tcm_ramsize(mem_core); - ci->pub.rambase = brcmf_chip_tcm_rambase(ci); - if (!ci->pub.rambase) { - brcmf_err("RAM base not provided with ARM CR4 core\n"); - return -EINVAL; - } - } else { - mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_SYS_MEM); - if (mem) { - mem_core = container_of(mem, struct brcmf_core_priv, - pub); - ci->pub.ramsize = brcmf_chip_sysmem_ramsize(mem_core); - ci->pub.rambase = brcmf_chip_tcm_rambase(ci); - if (!ci->pub.rambase) { - brcmf_err("RAM base not provided with ARM CA7 core\n"); - return -EINVAL; - } - } else { - mem = brcmf_chip_get_core(&ci->pub, - BCMA_CORE_INTERNAL_MEM); - if (!mem) { - brcmf_err("No memory cores found\n"); - return -ENOMEM; - } - mem_core = container_of(mem, struct brcmf_core_priv, - pub); - brcmf_chip_socram_ramsize(mem_core, &ci->pub.ramsize, - &ci->pub.srsize); - } - } - brcmf_dbg(INFO, "RAM: base=0x%x size=%d (0x%x) sr=%d (0x%x)\n", - ci->pub.rambase, ci->pub.ramsize, ci->pub.ramsize, - ci->pub.srsize, ci->pub.srsize); - - if (!ci->pub.ramsize) { - brcmf_err("RAM size is undetermined\n"); - return -ENOMEM; - } - - if (ci->pub.ramsize > BRCMF_CHIP_MAX_MEMSIZE) { - brcmf_err("RAM size is incorrect\n"); - return -ENOMEM; - } - - return 0; -} - -static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr, - u8 *type) -{ - u32 val; - - /* read next descriptor */ - val = ci->ops->read32(ci->ctx, *eromaddr); - *eromaddr += 4; - - if (!type) - return val; - - /* determine descriptor type */ - *type = (val & DMP_DESC_TYPE_MSK); - if ((*type & ~DMP_DESC_ADDRSIZE_GT32) == DMP_DESC_ADDRESS) - *type = DMP_DESC_ADDRESS; - - return val; -} - -static int brcmf_chip_dmp_get_regaddr(struct brcmf_chip_priv *ci, u32 *eromaddr, - u32 *regbase, u32 *wrapbase) -{ - u8 desc; - u32 val; - u8 mpnum = 0; - u8 stype, sztype, wraptype; - - *regbase = 0; - *wrapbase = 0; - - val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); - if (desc == DMP_DESC_MASTER_PORT) { - mpnum = (val & DMP_MASTER_PORT_NUM) >> DMP_MASTER_PORT_NUM_S; - wraptype = DMP_SLAVE_TYPE_MWRAP; - } else if (desc == DMP_DESC_ADDRESS) { - /* revert erom address */ - *eromaddr -= 4; - wraptype = DMP_SLAVE_TYPE_SWRAP; - } else { - *eromaddr -= 4; - return -EILSEQ; - } - - do { - /* locate address descriptor */ - do { - val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); - /* unexpected table end */ - if (desc == DMP_DESC_EOT) { - *eromaddr -= 4; - return -EFAULT; - } - } while (desc != DMP_DESC_ADDRESS); - - /* skip upper 32-bit address descriptor */ - if (val & DMP_DESC_ADDRSIZE_GT32) - brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); - - sztype = (val & DMP_SLAVE_SIZE_TYPE) >> DMP_SLAVE_SIZE_TYPE_S; - - /* next size descriptor can be skipped */ - if (sztype == DMP_SLAVE_SIZE_DESC) { - val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); - /* skip upper size descriptor if present */ - if (val & DMP_DESC_ADDRSIZE_GT32) - brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); - } - - /* only look for 4K register regions */ - if (sztype != DMP_SLAVE_SIZE_4K) - continue; - - stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S; - - /* only regular slave and wrapper */ - if (*regbase == 0 && stype == DMP_SLAVE_TYPE_SLAVE) - *regbase = val & DMP_SLAVE_ADDR_BASE; - if (*wrapbase == 0 && stype == wraptype) - *wrapbase = val & DMP_SLAVE_ADDR_BASE; - } while (*regbase == 0 || *wrapbase == 0); - - return 0; -} - -static -int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) -{ - struct brcmf_core *core; - u32 eromaddr; - u8 desc_type = 0; - u32 val; - u16 id; - u8 nmp, nsp, nmw, nsw, rev; - u32 base, wrap; - int err; - - eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); - - while (desc_type != DMP_DESC_EOT) { - val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); - if (!(val & DMP_DESC_VALID)) - continue; - - if (desc_type == DMP_DESC_EMPTY) - continue; - - /* need a component descriptor */ - if (desc_type != DMP_DESC_COMPONENT) - continue; - - id = (val & DMP_COMP_PARTNUM) >> DMP_COMP_PARTNUM_S; - - /* next descriptor must be component as well */ - val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); - if (WARN_ON((val & DMP_DESC_TYPE_MSK) != DMP_DESC_COMPONENT)) - return -EFAULT; - - /* only look at cores with master port(s) */ - nmp = (val & DMP_COMP_NUM_MPORT) >> DMP_COMP_NUM_MPORT_S; - nsp = (val & DMP_COMP_NUM_SPORT) >> DMP_COMP_NUM_SPORT_S; - nmw = (val & DMP_COMP_NUM_MWRAP) >> DMP_COMP_NUM_MWRAP_S; - nsw = (val & DMP_COMP_NUM_SWRAP) >> DMP_COMP_NUM_SWRAP_S; - rev = (val & DMP_COMP_REVISION) >> DMP_COMP_REVISION_S; - - /* need core with ports */ - if (nmw + nsw == 0) - continue; - - /* try to obtain register address info */ - err = brcmf_chip_dmp_get_regaddr(ci, &eromaddr, &base, &wrap); - if (err) - continue; - - /* finally a core to be added */ - core = brcmf_chip_add_core(ci, id, base, wrap); - if (IS_ERR(core)) - return PTR_ERR(core); - - core->rev = rev; - } - - return 0; -} - -static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) -{ - struct brcmf_core *core; - u32 regdata; - u32 socitype; - int ret; - - /* Get CC core rev - * Chipid is assume to be at offset 0 from SI_ENUM_BASE - * For different chiptypes or old sdio hosts w/o chipcommon, - * other ways of recognition should be added here. - */ - regdata = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, chipid)); - ci->pub.chip = regdata & CID_ID_MASK; - ci->pub.chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; - socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; - - brcmf_chip_name(ci->pub.chip, ci->pub.name, sizeof(ci->pub.name)); - brcmf_dbg(INFO, "found %s chip: BCM%s, rev=%d\n", - socitype == SOCI_SB ? "SB" : "AXI", ci->pub.name, - ci->pub.chiprev); - - if (socitype == SOCI_SB) { - if (ci->pub.chip != BRCM_CC_4329_CHIP_ID) { - brcmf_err("SB chip is not supported\n"); - return -ENODEV; - } - ci->iscoreup = brcmf_chip_sb_iscoreup; - ci->coredisable = brcmf_chip_sb_coredisable; - ci->resetcore = brcmf_chip_sb_resetcore; - - core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, - SI_ENUM_BASE, 0); - brcmf_chip_sb_corerev(ci, core); - core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, - BCM4329_CORE_BUS_BASE, 0); - brcmf_chip_sb_corerev(ci, core); - core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, - BCM4329_CORE_SOCRAM_BASE, 0); - brcmf_chip_sb_corerev(ci, core); - core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, - BCM4329_CORE_ARM_BASE, 0); - brcmf_chip_sb_corerev(ci, core); - - core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); - brcmf_chip_sb_corerev(ci, core); - } else if (socitype == SOCI_AI) { - ci->iscoreup = brcmf_chip_ai_iscoreup; - ci->coredisable = brcmf_chip_ai_coredisable; - ci->resetcore = brcmf_chip_ai_resetcore; - - brcmf_chip_dmp_erom_scan(ci); - } else { - brcmf_err("chip backplane type %u is not supported\n", - socitype); - return -ENODEV; - } - - ret = brcmf_chip_cores_check(ci); - if (ret) - return ret; - - /* assure chip is passive for core access */ - brcmf_chip_set_passive(&ci->pub); - - /* Call bus specific reset function now. Cores have been determined - * but further access may require a chip specific reset at this point. - */ - if (ci->ops->reset) { - ci->ops->reset(ci->ctx, &ci->pub); - brcmf_chip_set_passive(&ci->pub); - } - - return brcmf_chip_get_raminfo(ci); -} - -static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id) -{ - struct brcmf_core *core; - struct brcmf_core_priv *cpu; - u32 val; - - - core = brcmf_chip_get_core(&chip->pub, id); - if (!core) - return; - - switch (id) { - case BCMA_CORE_ARM_CM3: - brcmf_chip_coredisable(core, 0, 0); - break; - case BCMA_CORE_ARM_CR4: - case BCMA_CORE_ARM_CA7: - cpu = container_of(core, struct brcmf_core_priv, pub); - - /* clear all IOCTL bits except HALT bit */ - val = chip->ops->read32(chip->ctx, cpu->wrapbase + BCMA_IOCTL); - val &= ARMCR4_BCMA_IOCTL_CPUHALT; - brcmf_chip_resetcore(core, val, ARMCR4_BCMA_IOCTL_CPUHALT, - ARMCR4_BCMA_IOCTL_CPUHALT); - break; - default: - brcmf_err("unknown id: %u\n", id); - break; - } -} - -static int brcmf_chip_setup(struct brcmf_chip_priv *chip) -{ - struct brcmf_chip *pub; - struct brcmf_core_priv *cc; - u32 base; - u32 val; - int ret = 0; - - pub = &chip->pub; - cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); - base = cc->pub.base; - - /* get chipcommon capabilites */ - pub->cc_caps = chip->ops->read32(chip->ctx, - CORE_CC_REG(base, capabilities)); - - /* get pmu caps & rev */ - if (pub->cc_caps & CC_CAP_PMU) { - val = chip->ops->read32(chip->ctx, - CORE_CC_REG(base, pmucapabilities)); - pub->pmurev = val & PCAP_REV_MASK; - pub->pmucaps = val; - } - - brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, pmucaps=0x%x\n", - cc->pub.rev, pub->pmurev, pub->pmucaps); - - /* execute bus core specific setup */ - if (chip->ops->setup) - ret = chip->ops->setup(chip->ctx, pub); - - return ret; -} - -struct brcmf_chip *brcmf_chip_attach(void *ctx, - const struct brcmf_buscore_ops *ops) -{ - struct brcmf_chip_priv *chip; - int err = 0; - - if (WARN_ON(!ops->read32)) - err = -EINVAL; - if (WARN_ON(!ops->write32)) - err = -EINVAL; - if (WARN_ON(!ops->prepare)) - err = -EINVAL; - if (WARN_ON(!ops->activate)) - err = -EINVAL; - if (err < 0) - return ERR_PTR(-EINVAL); - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (!chip) - return ERR_PTR(-ENOMEM); - - INIT_LIST_HEAD(&chip->cores); - chip->num_cores = 0; - chip->ops = ops; - chip->ctx = ctx; - - err = ops->prepare(ctx); - if (err < 0) - goto fail; - - err = brcmf_chip_recognition(chip); - if (err < 0) - goto fail; - - err = brcmf_chip_setup(chip); - if (err < 0) - goto fail; - - return &chip->pub; - -fail: - brcmf_chip_detach(&chip->pub); - return ERR_PTR(err); -} - -void brcmf_chip_detach(struct brcmf_chip *pub) -{ - struct brcmf_chip_priv *chip; - struct brcmf_core_priv *core; - struct brcmf_core_priv *tmp; - - chip = container_of(pub, struct brcmf_chip_priv, pub); - list_for_each_entry_safe(core, tmp, &chip->cores, list) { - list_del(&core->list); - kfree(core); - } - kfree(chip); -} - -struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *pub, u16 coreid) -{ - struct brcmf_chip_priv *chip; - struct brcmf_core_priv *core; - - chip = container_of(pub, struct brcmf_chip_priv, pub); - list_for_each_entry(core, &chip->cores, list) - if (core->pub.id == coreid) - return &core->pub; - - return NULL; -} - -struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *pub) -{ - struct brcmf_chip_priv *chip; - struct brcmf_core_priv *cc; - - chip = container_of(pub, struct brcmf_chip_priv, pub); - cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); - if (WARN_ON(!cc || cc->pub.id != BCMA_CORE_CHIPCOMMON)) - return brcmf_chip_get_core(pub, BCMA_CORE_CHIPCOMMON); - return &cc->pub; -} - -bool brcmf_chip_iscoreup(struct brcmf_core *pub) -{ - struct brcmf_core_priv *core; - - core = container_of(pub, struct brcmf_core_priv, pub); - return core->chip->iscoreup(core); -} - -void brcmf_chip_coredisable(struct brcmf_core *pub, u32 prereset, u32 reset) -{ - struct brcmf_core_priv *core; - - core = container_of(pub, struct brcmf_core_priv, pub); - core->chip->coredisable(core, prereset, reset); -} - -void brcmf_chip_resetcore(struct brcmf_core *pub, u32 prereset, u32 reset, - u32 postreset) -{ - struct brcmf_core_priv *core; - - core = container_of(pub, struct brcmf_core_priv, pub); - core->chip->resetcore(core, prereset, reset, postreset); -} - -static void -brcmf_chip_cm3_set_passive(struct brcmf_chip_priv *chip) -{ - struct brcmf_core *core; - struct brcmf_core_priv *sr; - - brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); - brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN); - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); - brcmf_chip_resetcore(core, 0, 0, 0); - - /* disable bank #3 remap for this device */ - if (chip->pub.chip == BRCM_CC_43430_CHIP_ID) { - sr = container_of(core, struct brcmf_core_priv, pub); - brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankidx), 3); - brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankpda), 0); - } -} - -static bool brcmf_chip_cm3_set_active(struct brcmf_chip_priv *chip) -{ - struct brcmf_core *core; - - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); - if (!brcmf_chip_iscoreup(core)) { - brcmf_err("SOCRAM core is down after reset?\n"); - return false; - } - - chip->ops->activate(chip->ctx, &chip->pub, 0); - - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CM3); - brcmf_chip_resetcore(core, 0, 0, 0); - - return true; -} - -static inline void -brcmf_chip_cr4_set_passive(struct brcmf_chip_priv *chip) -{ - struct brcmf_core *core; - - brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); - - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); - brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN); -} - -static bool brcmf_chip_cr4_set_active(struct brcmf_chip_priv *chip, u32 rstvec) -{ - struct brcmf_core *core; - - chip->ops->activate(chip->ctx, &chip->pub, rstvec); - - /* restore ARM */ - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CR4); - brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); - - return true; -} - -static inline void -brcmf_chip_ca7_set_passive(struct brcmf_chip_priv *chip) -{ - struct brcmf_core *core; - - brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CA7); - - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); - brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN, - D11_BCMA_IOCTL_PHYCLOCKEN); -} - -static bool brcmf_chip_ca7_set_active(struct brcmf_chip_priv *chip, u32 rstvec) -{ - struct brcmf_core *core; - - chip->ops->activate(chip->ctx, &chip->pub, rstvec); - - /* restore ARM */ - core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CA7); - brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); - - return true; -} - -void brcmf_chip_set_passive(struct brcmf_chip *pub) -{ - struct brcmf_chip_priv *chip; - struct brcmf_core *arm; - - brcmf_dbg(TRACE, "Enter\n"); - - chip = container_of(pub, struct brcmf_chip_priv, pub); - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); - if (arm) { - brcmf_chip_cr4_set_passive(chip); - return; - } - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CA7); - if (arm) { - brcmf_chip_ca7_set_passive(chip); - return; - } - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CM3); - if (arm) { - brcmf_chip_cm3_set_passive(chip); - return; - } -} - -bool brcmf_chip_set_active(struct brcmf_chip *pub, u32 rstvec) -{ - struct brcmf_chip_priv *chip; - struct brcmf_core *arm; - - brcmf_dbg(TRACE, "Enter\n"); - - chip = container_of(pub, struct brcmf_chip_priv, pub); - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); - if (arm) - return brcmf_chip_cr4_set_active(chip, rstvec); - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CA7); - if (arm) - return brcmf_chip_ca7_set_active(chip, rstvec); - arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CM3); - if (arm) - return brcmf_chip_cm3_set_active(chip); - - return false; -} - -bool brcmf_chip_sr_capable(struct brcmf_chip *pub) -{ - u32 base, addr, reg, pmu_cc3_mask = ~0; - struct brcmf_chip_priv *chip; - - brcmf_dbg(TRACE, "Enter\n"); - - /* old chips with PMU version less than 17 don't support save restore */ - if (pub->pmurev < 17) - return false; - - base = brcmf_chip_get_chipcommon(pub)->base; - chip = container_of(pub, struct brcmf_chip_priv, pub); - - switch (pub->chip) { - case BRCM_CC_4354_CHIP_ID: - /* explicitly check SR engine enable bit */ - pmu_cc3_mask = BIT(2); - /* fall-through */ - case BRCM_CC_43241_CHIP_ID: - case BRCM_CC_4335_CHIP_ID: - case BRCM_CC_4339_CHIP_ID: - /* read PMU chipcontrol register 3 */ - addr = CORE_CC_REG(base, chipcontrol_addr); - chip->ops->write32(chip->ctx, addr, 3); - addr = CORE_CC_REG(base, chipcontrol_data); - reg = chip->ops->read32(chip->ctx, addr); - return (reg & pmu_cc3_mask) != 0; - case BRCM_CC_43430_CHIP_ID: - addr = CORE_CC_REG(base, sr_control1); - reg = chip->ops->read32(chip->ctx, addr); - return reg != 0; - default: - addr = CORE_CC_REG(base, pmucapabilities_ext); - reg = chip->ops->read32(chip->ctx, addr); - if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0) - return false; - - addr = CORE_CC_REG(base, retention_ctl); - reg = chip->ops->read32(chip->ctx, addr); - return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | - PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; - } -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.h b/drivers/net/wireless/brcm80211/brcmfmac/chip.h deleted file mode 100644 index f6b5feea23d2..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/chip.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMF_CHIP_H -#define BRCMF_CHIP_H - -#include <linux/types.h> - -#define CORE_CC_REG(base, field) \ - (base + offsetof(struct chipcregs, field)) - -/** - * struct brcmf_chip - chip level information. - * - * @chip: chip identifier. - * @chiprev: chip revision. - * @cc_caps: chipcommon core capabilities. - * @pmucaps: PMU capabilities. - * @pmurev: PMU revision. - * @rambase: RAM base address (only applicable for ARM CR4 chips). - * @ramsize: amount of RAM on chip including retention. - * @srsize: amount of retention RAM on chip. - * @name: string representation of the chip identifier. - */ -struct brcmf_chip { - u32 chip; - u32 chiprev; - u32 cc_caps; - u32 pmucaps; - u32 pmurev; - u32 rambase; - u32 ramsize; - u32 srsize; - char name[8]; -}; - -/** - * struct brcmf_core - core related information. - * - * @id: core identifier. - * @rev: core revision. - * @base: base address of core register space. - */ -struct brcmf_core { - u16 id; - u16 rev; - u32 base; -}; - -/** - * struct brcmf_buscore_ops - buscore specific callbacks. - * - * @read32: read 32-bit value over bus. - * @write32: write 32-bit value over bus. - * @prepare: prepare bus for core configuration. - * @setup: bus-specific core setup. - * @active: chip becomes active. - * The callback should use the provided @rstvec when non-zero. - */ -struct brcmf_buscore_ops { - u32 (*read32)(void *ctx, u32 addr); - void (*write32)(void *ctx, u32 addr, u32 value); - int (*prepare)(void *ctx); - int (*reset)(void *ctx, struct brcmf_chip *chip); - int (*setup)(void *ctx, struct brcmf_chip *chip); - void (*activate)(void *ctx, struct brcmf_chip *chip, u32 rstvec); -}; - -struct brcmf_chip *brcmf_chip_attach(void *ctx, - const struct brcmf_buscore_ops *ops); -void brcmf_chip_detach(struct brcmf_chip *chip); -struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid); -struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *chip); -bool brcmf_chip_iscoreup(struct brcmf_core *core); -void brcmf_chip_coredisable(struct brcmf_core *core, u32 prereset, u32 reset); -void brcmf_chip_resetcore(struct brcmf_core *core, u32 prereset, u32 reset, - u32 postreset); -void brcmf_chip_set_passive(struct brcmf_chip *ci); -bool brcmf_chip_set_active(struct brcmf_chip *ci, u32 rstvec); -bool brcmf_chip_sr_capable(struct brcmf_chip *pub); - -#endif /* BRCMF_AXIDMP_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/common.c b/drivers/net/wireless/brcm80211/brcmfmac/common.c deleted file mode 100644 index fe54844c75e0..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/common.c +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/netdevice.h> -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include "core.h" -#include "bus.h" -#include "debug.h" -#include "fwil.h" -#include "fwil_types.h" -#include "tracepoint.h" -#include "common.h" - -const u8 ALLFFMAC[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - -#define BRCMF_DEFAULT_BCN_TIMEOUT 3 -#define BRCMF_DEFAULT_SCAN_CHANNEL_TIME 40 -#define BRCMF_DEFAULT_SCAN_UNASSOC_TIME 40 - -/* boost value for RSSI_DELTA in preferred join selection */ -#define BRCMF_JOIN_PREF_RSSI_BOOST 8 - -int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) -{ - s8 eventmask[BRCMF_EVENTING_MASK_LEN]; - u8 buf[BRCMF_DCMD_SMLEN]; - struct brcmf_join_pref_params join_pref_params[2]; - struct brcmf_rev_info_le revinfo; - struct brcmf_rev_info *ri; - char *ptr; - s32 err; - - /* retreive mac address */ - err = brcmf_fil_iovar_data_get(ifp, "cur_etheraddr", ifp->mac_addr, - sizeof(ifp->mac_addr)); - if (err < 0) { - brcmf_err("Retreiving cur_etheraddr failed, %d\n", err); - goto done; - } - memcpy(ifp->drvr->mac, ifp->mac_addr, sizeof(ifp->drvr->mac)); - - err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_REVINFO, - &revinfo, sizeof(revinfo)); - ri = &ifp->drvr->revinfo; - if (err < 0) { - brcmf_err("retrieving revision info failed, %d\n", err); - } else { - ri->vendorid = le32_to_cpu(revinfo.vendorid); - ri->deviceid = le32_to_cpu(revinfo.deviceid); - ri->radiorev = le32_to_cpu(revinfo.radiorev); - ri->chiprev = le32_to_cpu(revinfo.chiprev); - ri->corerev = le32_to_cpu(revinfo.corerev); - ri->boardid = le32_to_cpu(revinfo.boardid); - ri->boardvendor = le32_to_cpu(revinfo.boardvendor); - ri->boardrev = le32_to_cpu(revinfo.boardrev); - ri->driverrev = le32_to_cpu(revinfo.driverrev); - ri->ucoderev = le32_to_cpu(revinfo.ucoderev); - ri->bus = le32_to_cpu(revinfo.bus); - ri->chipnum = le32_to_cpu(revinfo.chipnum); - ri->phytype = le32_to_cpu(revinfo.phytype); - ri->phyrev = le32_to_cpu(revinfo.phyrev); - ri->anarev = le32_to_cpu(revinfo.anarev); - ri->chippkg = le32_to_cpu(revinfo.chippkg); - ri->nvramrev = le32_to_cpu(revinfo.nvramrev); - } - ri->result = err; - - /* query for 'ver' to get version info from firmware */ - memset(buf, 0, sizeof(buf)); - strcpy(buf, "ver"); - err = brcmf_fil_iovar_data_get(ifp, "ver", buf, sizeof(buf)); - if (err < 0) { - brcmf_err("Retreiving version information failed, %d\n", - err); - goto done; - } - ptr = (char *)buf; - strsep(&ptr, "\n"); - - /* Print fw version info */ - brcmf_err("Firmware version = %s\n", buf); - - /* locate firmware version number for ethtool */ - ptr = strrchr(buf, ' ') + 1; - strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver)); - - /* set mpc */ - err = brcmf_fil_iovar_int_set(ifp, "mpc", 1); - if (err) { - brcmf_err("failed setting mpc\n"); - goto done; - } - - /* - * Setup timeout if Beacons are lost and roam is off to report - * link down - */ - err = brcmf_fil_iovar_int_set(ifp, "bcn_timeout", - BRCMF_DEFAULT_BCN_TIMEOUT); - if (err) { - brcmf_err("bcn_timeout error (%d)\n", err); - goto done; - } - - /* Enable/Disable build-in roaming to allowed ext supplicant to take - * of romaing - */ - err = brcmf_fil_iovar_int_set(ifp, "roam_off", 1); - if (err) { - brcmf_err("roam_off error (%d)\n", err); - goto done; - } - - /* Setup join_pref to select target by RSSI(with boost on 5GHz) */ - join_pref_params[0].type = BRCMF_JOIN_PREF_RSSI_DELTA; - join_pref_params[0].len = 2; - join_pref_params[0].rssi_gain = BRCMF_JOIN_PREF_RSSI_BOOST; - join_pref_params[0].band = WLC_BAND_5G; - join_pref_params[1].type = BRCMF_JOIN_PREF_RSSI; - join_pref_params[1].len = 2; - join_pref_params[1].rssi_gain = 0; - join_pref_params[1].band = 0; - err = brcmf_fil_iovar_data_set(ifp, "join_pref", join_pref_params, - sizeof(join_pref_params)); - if (err) - brcmf_err("Set join_pref error (%d)\n", err); - - /* Setup event_msgs, enable E_IF */ - err = brcmf_fil_iovar_data_get(ifp, "event_msgs", eventmask, - BRCMF_EVENTING_MASK_LEN); - if (err) { - brcmf_err("Get event_msgs error (%d)\n", err); - goto done; - } - setbit(eventmask, BRCMF_E_IF); - err = brcmf_fil_iovar_data_set(ifp, "event_msgs", eventmask, - BRCMF_EVENTING_MASK_LEN); - if (err) { - brcmf_err("Set event_msgs error (%d)\n", err); - goto done; - } - - /* Setup default scan channel time */ - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_CHANNEL_TIME, - BRCMF_DEFAULT_SCAN_CHANNEL_TIME); - if (err) { - brcmf_err("BRCMF_C_SET_SCAN_CHANNEL_TIME error (%d)\n", - err); - goto done; - } - - /* Setup default scan unassoc time */ - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCAN_UNASSOC_TIME, - BRCMF_DEFAULT_SCAN_UNASSOC_TIME); - if (err) { - brcmf_err("BRCMF_C_SET_SCAN_UNASSOC_TIME error (%d)\n", - err); - goto done; - } - - /* do bus specific preinit here */ - err = brcmf_bus_preinit(ifp->drvr->bus_if); -done: - return err; -} - -#if defined(CONFIG_BRCM_TRACING) || defined(CONFIG_BRCMDBG) -void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...) -{ - struct va_format vaf = { - .fmt = fmt, - }; - va_list args; - - va_start(args, fmt); - vaf.va = &args; - if (brcmf_msg_level & level) - pr_debug("%s %pV", func, &vaf); - trace_brcmf_dbg(level, func, &vaf); - va_end(args); -} -#endif diff --git a/drivers/net/wireless/brcm80211/brcmfmac/common.h b/drivers/net/wireless/brcm80211/brcmfmac/common.h deleted file mode 100644 index 21c7488b4732..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/common.h +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_COMMON_H -#define BRCMFMAC_COMMON_H - -extern const u8 ALLFFMAC[ETH_ALEN]; - -/* Sets dongle media info (drv_version, mac address). */ -int brcmf_c_preinit_dcmds(struct brcmf_if *ifp); - -#endif /* BRCMFMAC_COMMON_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/commonring.c b/drivers/net/wireless/brcm80211/brcmfmac/commonring.c deleted file mode 100644 index 7b0e52195a85..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/commonring.c +++ /dev/null @@ -1,252 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/types.h> -#include <linux/netdevice.h> - -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "core.h" -#include "commonring.h" - -void brcmf_commonring_register_cb(struct brcmf_commonring *commonring, - int (*cr_ring_bell)(void *ctx), - int (*cr_update_rptr)(void *ctx), - int (*cr_update_wptr)(void *ctx), - int (*cr_write_rptr)(void *ctx), - int (*cr_write_wptr)(void *ctx), void *ctx) -{ - commonring->cr_ring_bell = cr_ring_bell; - commonring->cr_update_rptr = cr_update_rptr; - commonring->cr_update_wptr = cr_update_wptr; - commonring->cr_write_rptr = cr_write_rptr; - commonring->cr_write_wptr = cr_write_wptr; - commonring->cr_ctx = ctx; -} - - -void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth, - u16 item_len, void *buf_addr) -{ - commonring->depth = depth; - commonring->item_len = item_len; - commonring->buf_addr = buf_addr; - if (!commonring->inited) { - spin_lock_init(&commonring->lock); - commonring->inited = true; - } - commonring->r_ptr = 0; - if (commonring->cr_write_rptr) - commonring->cr_write_rptr(commonring->cr_ctx); - commonring->w_ptr = 0; - if (commonring->cr_write_wptr) - commonring->cr_write_wptr(commonring->cr_ctx); - commonring->f_ptr = 0; -} - - -void brcmf_commonring_lock(struct brcmf_commonring *commonring) - __acquires(&commonring->lock) -{ - unsigned long flags; - - spin_lock_irqsave(&commonring->lock, flags); - commonring->flags = flags; -} - - -void brcmf_commonring_unlock(struct brcmf_commonring *commonring) - __releases(&commonring->lock) -{ - spin_unlock_irqrestore(&commonring->lock, commonring->flags); -} - - -bool brcmf_commonring_write_available(struct brcmf_commonring *commonring) -{ - u16 available; - bool retry = true; - -again: - if (commonring->r_ptr <= commonring->w_ptr) - available = commonring->depth - commonring->w_ptr + - commonring->r_ptr; - else - available = commonring->r_ptr - commonring->w_ptr; - - if (available > 1) { - if (!commonring->was_full) - return true; - if (available > commonring->depth / 8) { - commonring->was_full = false; - return true; - } - if (retry) { - if (commonring->cr_update_rptr) - commonring->cr_update_rptr(commonring->cr_ctx); - retry = false; - goto again; - } - return false; - } - - if (retry) { - if (commonring->cr_update_rptr) - commonring->cr_update_rptr(commonring->cr_ctx); - retry = false; - goto again; - } - - commonring->was_full = true; - return false; -} - - -void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring) -{ - void *ret_ptr; - u16 available; - bool retry = true; - -again: - if (commonring->r_ptr <= commonring->w_ptr) - available = commonring->depth - commonring->w_ptr + - commonring->r_ptr; - else - available = commonring->r_ptr - commonring->w_ptr; - - if (available > 1) { - ret_ptr = commonring->buf_addr + - (commonring->w_ptr * commonring->item_len); - commonring->w_ptr++; - if (commonring->w_ptr == commonring->depth) - commonring->w_ptr = 0; - return ret_ptr; - } - - if (retry) { - if (commonring->cr_update_rptr) - commonring->cr_update_rptr(commonring->cr_ctx); - retry = false; - goto again; - } - - commonring->was_full = true; - return NULL; -} - - -void * -brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring, - u16 n_items, u16 *alloced) -{ - void *ret_ptr; - u16 available; - bool retry = true; - -again: - if (commonring->r_ptr <= commonring->w_ptr) - available = commonring->depth - commonring->w_ptr + - commonring->r_ptr; - else - available = commonring->r_ptr - commonring->w_ptr; - - if (available > 1) { - ret_ptr = commonring->buf_addr + - (commonring->w_ptr * commonring->item_len); - *alloced = min_t(u16, n_items, available - 1); - if (*alloced + commonring->w_ptr > commonring->depth) - *alloced = commonring->depth - commonring->w_ptr; - commonring->w_ptr += *alloced; - if (commonring->w_ptr == commonring->depth) - commonring->w_ptr = 0; - return ret_ptr; - } - - if (retry) { - if (commonring->cr_update_rptr) - commonring->cr_update_rptr(commonring->cr_ctx); - retry = false; - goto again; - } - - commonring->was_full = true; - return NULL; -} - - -int brcmf_commonring_write_complete(struct brcmf_commonring *commonring) -{ - void *address; - - address = commonring->buf_addr; - address += (commonring->f_ptr * commonring->item_len); - if (commonring->f_ptr > commonring->w_ptr) { - address = commonring->buf_addr; - commonring->f_ptr = 0; - } - - commonring->f_ptr = commonring->w_ptr; - - if (commonring->cr_write_wptr) - commonring->cr_write_wptr(commonring->cr_ctx); - if (commonring->cr_ring_bell) - return commonring->cr_ring_bell(commonring->cr_ctx); - - return -EIO; -} - - -void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring, - u16 n_items) -{ - if (commonring->w_ptr == 0) - commonring->w_ptr = commonring->depth - n_items; - else - commonring->w_ptr -= n_items; -} - - -void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring, - u16 *n_items) -{ - if (commonring->cr_update_wptr) - commonring->cr_update_wptr(commonring->cr_ctx); - - *n_items = (commonring->w_ptr >= commonring->r_ptr) ? - (commonring->w_ptr - commonring->r_ptr) : - (commonring->depth - commonring->r_ptr); - - if (*n_items == 0) - return NULL; - - return commonring->buf_addr + - (commonring->r_ptr * commonring->item_len); -} - - -int brcmf_commonring_read_complete(struct brcmf_commonring *commonring, - u16 n_items) -{ - commonring->r_ptr += n_items; - if (commonring->r_ptr == commonring->depth) - commonring->r_ptr = 0; - - if (commonring->cr_write_rptr) - return commonring->cr_write_rptr(commonring->cr_ctx); - - return -EIO; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/commonring.h b/drivers/net/wireless/brcm80211/brcmfmac/commonring.h deleted file mode 100644 index b85033611c8d..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/commonring.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_COMMONRING_H -#define BRCMFMAC_COMMONRING_H - - -struct brcmf_commonring { - u16 r_ptr; - u16 w_ptr; - u16 f_ptr; - u16 depth; - u16 item_len; - - void *buf_addr; - - int (*cr_ring_bell)(void *ctx); - int (*cr_update_rptr)(void *ctx); - int (*cr_update_wptr)(void *ctx); - int (*cr_write_rptr)(void *ctx); - int (*cr_write_wptr)(void *ctx); - - void *cr_ctx; - - spinlock_t lock; - unsigned long flags; - bool inited; - bool was_full; - - atomic_t outstanding_tx; -}; - - -void brcmf_commonring_register_cb(struct brcmf_commonring *commonring, - int (*cr_ring_bell)(void *ctx), - int (*cr_update_rptr)(void *ctx), - int (*cr_update_wptr)(void *ctx), - int (*cr_write_rptr)(void *ctx), - int (*cr_write_wptr)(void *ctx), void *ctx); -void brcmf_commonring_config(struct brcmf_commonring *commonring, u16 depth, - u16 item_len, void *buf_addr); -void brcmf_commonring_lock(struct brcmf_commonring *commonring); -void brcmf_commonring_unlock(struct brcmf_commonring *commonring); -bool brcmf_commonring_write_available(struct brcmf_commonring *commonring); -void *brcmf_commonring_reserve_for_write(struct brcmf_commonring *commonring); -void * -brcmf_commonring_reserve_for_write_multiple(struct brcmf_commonring *commonring, - u16 n_items, u16 *alloced); -int brcmf_commonring_write_complete(struct brcmf_commonring *commonring); -void brcmf_commonring_write_cancel(struct brcmf_commonring *commonring, - u16 n_items); -void *brcmf_commonring_get_read_ptr(struct brcmf_commonring *commonring, - u16 *n_items); -int brcmf_commonring_read_complete(struct brcmf_commonring *commonring, - u16 n_items); - -#define brcmf_commonring_n_items(commonring) (commonring->depth) -#define brcmf_commonring_len_item(commonring) (commonring->item_len) - - -#endif /* BRCMFMAC_COMMONRING_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.c b/drivers/net/wireless/brcm80211/brcmfmac/core.c deleted file mode 100644 index b5ab98ee1445..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.c +++ /dev/null @@ -1,1260 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <linux/etherdevice.h> -#include <linux/module.h> -#include <net/cfg80211.h> -#include <net/rtnetlink.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "core.h" -#include "bus.h" -#include "debug.h" -#include "fwil_types.h" -#include "p2p.h" -#include "cfg80211.h" -#include "fwil.h" -#include "fwsignal.h" -#include "feature.h" -#include "proto.h" -#include "pcie.h" -#include "common.h" - -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver."); -MODULE_LICENSE("Dual BSD/GPL"); - -#define MAX_WAIT_FOR_8021X_TX 50 /* msecs */ - -/* AMPDU rx reordering definitions */ -#define BRCMF_RXREORDER_FLOWID_OFFSET 0 -#define BRCMF_RXREORDER_MAXIDX_OFFSET 2 -#define BRCMF_RXREORDER_FLAGS_OFFSET 4 -#define BRCMF_RXREORDER_CURIDX_OFFSET 6 -#define BRCMF_RXREORDER_EXPIDX_OFFSET 8 - -#define BRCMF_RXREORDER_DEL_FLOW 0x01 -#define BRCMF_RXREORDER_FLUSH_ALL 0x02 -#define BRCMF_RXREORDER_CURIDX_VALID 0x04 -#define BRCMF_RXREORDER_EXPIDX_VALID 0x08 -#define BRCMF_RXREORDER_NEW_HOLE 0x10 - -#define BRCMF_BSSIDX_INVALID -1 - -/* Error bits */ -int brcmf_msg_level; -module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR); -MODULE_PARM_DESC(debug, "level of debug output"); - -/* P2P0 enable */ -static int brcmf_p2p_enable; -module_param_named(p2pon, brcmf_p2p_enable, int, 0); -MODULE_PARM_DESC(p2pon, "enable legacy p2p management functionality"); - -char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx) -{ - if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - brcmf_err("ifidx %d out of range\n", ifidx); - return "<if_bad>"; - } - - if (drvr->iflist[ifidx] == NULL) { - brcmf_err("null i/f %d\n", ifidx); - return "<if_null>"; - } - - if (drvr->iflist[ifidx]->ndev) - return drvr->iflist[ifidx]->ndev->name; - - return "<if_none>"; -} - -struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx) -{ - struct brcmf_if *ifp; - s32 bssidx; - - if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { - brcmf_err("ifidx %d out of range\n", ifidx); - return NULL; - } - - ifp = NULL; - bssidx = drvr->if2bss[ifidx]; - if (bssidx >= 0) - ifp = drvr->iflist[bssidx]; - - return ifp; -} - -static void _brcmf_set_multicast_list(struct work_struct *work) -{ - struct brcmf_if *ifp; - struct net_device *ndev; - struct netdev_hw_addr *ha; - u32 cmd_value, cnt; - __le32 cnt_le; - char *buf, *bufp; - u32 buflen; - s32 err; - - ifp = container_of(work, struct brcmf_if, multicast_work); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - ndev = ifp->ndev; - - /* Determine initial value of allmulti flag */ - cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false; - - /* Send down the multicast list first. */ - cnt = netdev_mc_count(ndev); - buflen = sizeof(cnt) + (cnt * ETH_ALEN); - buf = kmalloc(buflen, GFP_ATOMIC); - if (!buf) - return; - bufp = buf; - - cnt_le = cpu_to_le32(cnt); - memcpy(bufp, &cnt_le, sizeof(cnt_le)); - bufp += sizeof(cnt_le); - - netdev_for_each_mc_addr(ha, ndev) { - if (!cnt) - break; - memcpy(bufp, ha->addr, ETH_ALEN); - bufp += ETH_ALEN; - cnt--; - } - - err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen); - if (err < 0) { - brcmf_err("Setting mcast_list failed, %d\n", err); - cmd_value = cnt ? true : cmd_value; - } - - kfree(buf); - - /* - * Now send the allmulti setting. This is based on the setting in the - * net_device flags, but might be modified above to be turned on if we - * were trying to set some addresses and dongle rejected it... - */ - err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value); - if (err < 0) - brcmf_err("Setting allmulti failed, %d\n", err); - - /*Finally, pick up the PROMISC flag */ - cmd_value = (ndev->flags & IFF_PROMISC) ? true : false; - err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value); - if (err < 0) - brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n", - err); -} - -static void -_brcmf_set_mac_address(struct work_struct *work) -{ - struct brcmf_if *ifp; - s32 err; - - ifp = container_of(work, struct brcmf_if, setmacaddr_work); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr, - ETH_ALEN); - if (err < 0) { - brcmf_err("Setting cur_etheraddr failed, %d\n", err); - } else { - brcmf_dbg(TRACE, "MAC address updated to %pM\n", - ifp->mac_addr); - memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - } -} - -static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct sockaddr *sa = (struct sockaddr *)addr; - - memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN); - schedule_work(&ifp->setmacaddr_work); - return 0; -} - -static void brcmf_netdev_set_multicast_list(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - schedule_work(&ifp->multicast_work); -} - -static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, - struct net_device *ndev) -{ - int ret; - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - struct ethhdr *eh = (struct ethhdr *)(skb->data); - - brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx); - - /* Can the device send data? */ - if (drvr->bus_if->state != BRCMF_BUS_UP) { - brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state); - netif_stop_queue(ndev); - dev_kfree_skb(skb); - ret = -ENODEV; - goto done; - } - - if (!drvr->iflist[ifp->bssidx]) { - brcmf_err("bad ifidx %d\n", ifp->bssidx); - netif_stop_queue(ndev); - dev_kfree_skb(skb); - ret = -ENODEV; - goto done; - } - - /* Make sure there's enough room for any header */ - if (skb_headroom(skb) < drvr->hdrlen) { - struct sk_buff *skb2; - - brcmf_dbg(INFO, "%s: insufficient headroom\n", - brcmf_ifname(drvr, ifp->bssidx)); - drvr->bus_if->tx_realloc++; - skb2 = skb_realloc_headroom(skb, drvr->hdrlen); - dev_kfree_skb(skb); - skb = skb2; - if (skb == NULL) { - brcmf_err("%s: skb_realloc_headroom failed\n", - brcmf_ifname(drvr, ifp->bssidx)); - ret = -ENOMEM; - goto done; - } - } - - /* validate length for ether packet */ - if (skb->len < sizeof(*eh)) { - ret = -EINVAL; - dev_kfree_skb(skb); - goto done; - } - - if (eh->h_proto == htons(ETH_P_PAE)) - atomic_inc(&ifp->pend_8021x_cnt); - - ret = brcmf_fws_process_skb(ifp, skb); - -done: - if (ret) { - ifp->stats.tx_dropped++; - } else { - ifp->stats.tx_packets++; - ifp->stats.tx_bytes += skb->len; - } - - /* Return ok: we always eat the packet */ - return NETDEV_TX_OK; -} - -void brcmf_txflowblock_if(struct brcmf_if *ifp, - enum brcmf_netif_stop_reason reason, bool state) -{ - unsigned long flags; - - if (!ifp || !ifp->ndev) - return; - - brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n", - ifp->bssidx, ifp->netif_stop, reason, state); - - spin_lock_irqsave(&ifp->netif_stop_lock, flags); - if (state) { - if (!ifp->netif_stop) - netif_stop_queue(ifp->ndev); - ifp->netif_stop |= reason; - } else { - ifp->netif_stop &= ~reason; - if (!ifp->netif_stop) - netif_wake_queue(ifp->ndev); - } - spin_unlock_irqrestore(&ifp->netif_stop_lock, flags); -} - -void brcmf_txflowblock(struct device *dev, bool state) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - - brcmf_fws_bus_blocked(drvr, state); -} - -void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb) -{ - skb->dev = ifp->ndev; - skb->protocol = eth_type_trans(skb, skb->dev); - - if (skb->pkt_type == PACKET_MULTICAST) - ifp->stats.multicast++; - - /* Process special event packets */ - brcmf_fweh_process_skb(ifp->drvr, skb); - - if (!(ifp->ndev->flags & IFF_UP)) { - brcmu_pkt_buf_free_skb(skb); - return; - } - - ifp->stats.rx_bytes += skb->len; - ifp->stats.rx_packets++; - - brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol)); - if (in_interrupt()) - netif_rx(skb); - else - /* If the receive is not processed inside an ISR, - * the softirqd must be woken explicitly to service - * the NET_RX_SOFTIRQ. This is handled by netif_rx_ni(). - */ - netif_rx_ni(skb); -} - -static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi, - u8 start, u8 end, - struct sk_buff_head *skb_list) -{ - /* initialize return list */ - __skb_queue_head_init(skb_list); - - if (rfi->pend_pkts == 0) { - brcmf_dbg(INFO, "no packets in reorder queue\n"); - return; - } - - do { - if (rfi->pktslots[start]) { - __skb_queue_tail(skb_list, rfi->pktslots[start]); - rfi->pktslots[start] = NULL; - } - start++; - if (start > rfi->max_idx) - start = 0; - } while (start != end); - rfi->pend_pkts -= skb_queue_len(skb_list); -} - -static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data, - struct sk_buff *pkt) -{ - u8 flow_id, max_idx, cur_idx, exp_idx, end_idx; - struct brcmf_ampdu_rx_reorder *rfi; - struct sk_buff_head reorder_list; - struct sk_buff *pnext; - u8 flags; - u32 buf_size; - - flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET]; - flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET]; - - /* validate flags and flow id */ - if (flags == 0xFF) { - brcmf_err("invalid flags...so ignore this packet\n"); - brcmf_netif_rx(ifp, pkt); - return; - } - - rfi = ifp->drvr->reorder_flows[flow_id]; - if (flags & BRCMF_RXREORDER_DEL_FLOW) { - brcmf_dbg(INFO, "flow-%d: delete\n", - flow_id); - - if (rfi == NULL) { - brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n", - flow_id); - brcmf_netif_rx(ifp, pkt); - return; - } - - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx, - &reorder_list); - /* add the last packet */ - __skb_queue_tail(&reorder_list, pkt); - kfree(rfi); - ifp->drvr->reorder_flows[flow_id] = NULL; - goto netif_rx; - } - /* from here on we need a flow reorder instance */ - if (rfi == NULL) { - buf_size = sizeof(*rfi); - max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; - - buf_size += (max_idx + 1) * sizeof(pkt); - - /* allocate space for flow reorder info */ - brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n", - flow_id, max_idx); - rfi = kzalloc(buf_size, GFP_ATOMIC); - if (rfi == NULL) { - brcmf_err("failed to alloc buffer\n"); - brcmf_netif_rx(ifp, pkt); - return; - } - - ifp->drvr->reorder_flows[flow_id] = rfi; - rfi->pktslots = (struct sk_buff **)(rfi+1); - rfi->max_idx = max_idx; - } - if (flags & BRCMF_RXREORDER_NEW_HOLE) { - if (rfi->pend_pkts) { - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, - rfi->exp_idx, - &reorder_list); - WARN_ON(rfi->pend_pkts); - } else { - __skb_queue_head_init(&reorder_list); - } - rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; - rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET]; - rfi->pktslots[rfi->cur_idx] = pkt; - rfi->pend_pkts++; - brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n", - flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts); - } else if (flags & BRCMF_RXREORDER_CURIDX_VALID) { - cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET]; - exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - - if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) { - /* still in the current hole */ - /* enqueue the current on the buffer chain */ - if (rfi->pktslots[cur_idx] != NULL) { - brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n"); - brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); - rfi->pktslots[cur_idx] = NULL; - } - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - rfi->cur_idx = cur_idx; - brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n", - flow_id, cur_idx, exp_idx, rfi->pend_pkts); - - /* can return now as there is no reorder - * list to process. - */ - return; - } - if (rfi->exp_idx == cur_idx) { - if (rfi->pktslots[cur_idx] != NULL) { - brcmf_dbg(INFO, "error buffer pending..free it\n"); - brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]); - rfi->pktslots[cur_idx] = NULL; - } - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - - /* got the expected one. flush from current to expected - * and update expected - */ - brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n", - flow_id, cur_idx, exp_idx, rfi->pend_pkts); - - rfi->cur_idx = cur_idx; - rfi->exp_idx = exp_idx; - - brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx, - &reorder_list); - brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n", - flow_id, skb_queue_len(&reorder_list), - rfi->pend_pkts); - } else { - u8 end_idx; - - brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n", - flow_id, flags, rfi->cur_idx, rfi->exp_idx, - cur_idx, exp_idx); - if (flags & BRCMF_RXREORDER_FLUSH_ALL) - end_idx = rfi->exp_idx; - else - end_idx = exp_idx; - - /* flush pkts first */ - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, - &reorder_list); - - if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) { - __skb_queue_tail(&reorder_list, pkt); - } else { - rfi->pktslots[cur_idx] = pkt; - rfi->pend_pkts++; - } - rfi->exp_idx = exp_idx; - rfi->cur_idx = cur_idx; - } - } else { - /* explicity window move updating the expected index */ - exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET]; - - brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n", - flow_id, flags, rfi->exp_idx, exp_idx); - if (flags & BRCMF_RXREORDER_FLUSH_ALL) - end_idx = rfi->exp_idx; - else - end_idx = exp_idx; - - brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx, - &reorder_list); - __skb_queue_tail(&reorder_list, pkt); - /* set the new expected idx */ - rfi->exp_idx = exp_idx; - } -netif_rx: - skb_queue_walk_safe(&reorder_list, pkt, pnext) { - __skb_unlink(pkt, &reorder_list); - brcmf_netif_rx(ifp, pkt); - } -} - -void brcmf_rx_frame(struct device *dev, struct sk_buff *skb) -{ - struct brcmf_if *ifp; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_skb_reorder_data *rd; - int ret; - - brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb); - - /* process and remove protocol-specific header */ - ret = brcmf_proto_hdrpull(drvr, true, skb, &ifp); - - if (ret || !ifp || !ifp->ndev) { - if (ret != -ENODATA && ifp) - ifp->stats.rx_errors++; - brcmu_pkt_buf_free_skb(skb); - return; - } - - rd = (struct brcmf_skb_reorder_data *)skb->cb; - if (rd->reorder) - brcmf_rxreorder_process_info(ifp, rd->reorder, skb); - else - brcmf_netif_rx(ifp, skb); -} - -void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success) -{ - struct ethhdr *eh; - u16 type; - - eh = (struct ethhdr *)(txp->data); - type = ntohs(eh->h_proto); - - if (type == ETH_P_PAE) { - atomic_dec(&ifp->pend_8021x_cnt); - if (waitqueue_active(&ifp->pend_8021x_wait)) - wake_up(&ifp->pend_8021x_wait); - } - - if (!success) - ifp->stats.tx_errors++; - - brcmu_pkt_buf_free_skb(txp); -} - -void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_if *ifp; - - /* await txstatus signal for firmware if active */ - if (brcmf_fws_fc_active(drvr->fws)) { - if (!success) - brcmf_fws_bustxfail(drvr->fws, txp); - } else { - if (brcmf_proto_hdrpull(drvr, false, txp, &ifp)) - brcmu_pkt_buf_free_skb(txp); - else - brcmf_txfinalize(ifp, txp, success); - } -} - -static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - return &ifp->stats; -} - -static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, - struct ethtool_drvinfo *info) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - char drev[BRCMU_DOTREV_LEN] = "n/a"; - - if (drvr->revinfo.result == 0) - brcmu_dotrev_str(drvr->revinfo.driverrev, drev); - strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - strlcpy(info->version, drev, sizeof(info->version)); - strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); - strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), - sizeof(info->bus_info)); -} - -static const struct ethtool_ops brcmf_ethtool_ops = { - .get_drvinfo = brcmf_ethtool_get_drvinfo, -}; - -static int brcmf_netdev_stop(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - brcmf_cfg80211_down(ndev); - - brcmf_net_setcarrier(ifp, false); - - return 0; -} - -static int brcmf_netdev_open(struct net_device *ndev) -{ - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_pub *drvr = ifp->drvr; - struct brcmf_bus *bus_if = drvr->bus_if; - u32 toe_ol; - - brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx); - - /* If bus is not ready, can't continue */ - if (bus_if->state != BRCMF_BUS_UP) { - brcmf_err("failed bus is not ready\n"); - return -EAGAIN; - } - - atomic_set(&ifp->pend_8021x_cnt, 0); - - /* Get current TOE mode from dongle */ - if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0 - && (toe_ol & TOE_TX_CSUM_OL) != 0) - ndev->features |= NETIF_F_IP_CSUM; - else - ndev->features &= ~NETIF_F_IP_CSUM; - - if (brcmf_cfg80211_up(ndev)) { - brcmf_err("failed to bring up cfg80211\n"); - return -EIO; - } - - /* Clear, carrier, set when connected or AP mode. */ - netif_carrier_off(ndev); - return 0; -} - -static const struct net_device_ops brcmf_netdev_ops_pri = { - .ndo_open = brcmf_netdev_open, - .ndo_stop = brcmf_netdev_stop, - .ndo_get_stats = brcmf_netdev_get_stats, - .ndo_start_xmit = brcmf_netdev_start_xmit, - .ndo_set_mac_address = brcmf_netdev_set_mac_address, - .ndo_set_rx_mode = brcmf_netdev_set_multicast_list -}; - -int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked) -{ - struct brcmf_pub *drvr = ifp->drvr; - struct net_device *ndev; - s32 err; - - brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, - ifp->mac_addr); - ndev = ifp->ndev; - - /* set appropriate operations */ - ndev->netdev_ops = &brcmf_netdev_ops_pri; - - ndev->hard_header_len += drvr->hdrlen; - ndev->ethtool_ops = &brcmf_ethtool_ops; - - drvr->rxsz = ndev->mtu + ndev->hard_header_len + - drvr->hdrlen; - - /* set the mac address */ - memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - - INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address); - INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list); - - if (rtnl_locked) - err = register_netdevice(ndev); - else - err = register_netdev(ndev); - if (err != 0) { - brcmf_err("couldn't register the net device\n"); - goto fail; - } - - brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); - return 0; - -fail: - drvr->iflist[ifp->bssidx] = NULL; - ndev->netdev_ops = NULL; - free_netdev(ndev); - return -EBADE; -} - -static void brcmf_net_detach(struct net_device *ndev) -{ - if (ndev->reg_state == NETREG_REGISTERED) - unregister_netdev(ndev); - else - brcmf_cfg80211_free_netdev(ndev); -} - -void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on) -{ - struct net_device *ndev; - - brcmf_dbg(TRACE, "Enter, idx=%d carrier=%d\n", ifp->bssidx, on); - - ndev = ifp->ndev; - brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_DISCONNECTED, !on); - if (on) { - if (!netif_carrier_ok(ndev)) - netif_carrier_on(ndev); - - } else { - if (netif_carrier_ok(ndev)) - netif_carrier_off(ndev); - } -} - -static int brcmf_net_p2p_open(struct net_device *ndev) -{ - brcmf_dbg(TRACE, "Enter\n"); - - return brcmf_cfg80211_up(ndev); -} - -static int brcmf_net_p2p_stop(struct net_device *ndev) -{ - brcmf_dbg(TRACE, "Enter\n"); - - return brcmf_cfg80211_down(ndev); -} - -static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb, - struct net_device *ndev) -{ - if (skb) - dev_kfree_skb_any(skb); - - return NETDEV_TX_OK; -} - -static const struct net_device_ops brcmf_netdev_ops_p2p = { - .ndo_open = brcmf_net_p2p_open, - .ndo_stop = brcmf_net_p2p_stop, - .ndo_start_xmit = brcmf_net_p2p_start_xmit -}; - -static int brcmf_net_p2p_attach(struct brcmf_if *ifp) -{ - struct net_device *ndev; - - brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx, - ifp->mac_addr); - ndev = ifp->ndev; - - ndev->netdev_ops = &brcmf_netdev_ops_p2p; - - /* set the mac address */ - memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN); - - if (register_netdev(ndev) != 0) { - brcmf_err("couldn't register the p2p net device\n"); - goto fail; - } - - brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name); - - return 0; - -fail: - ifp->drvr->iflist[ifp->bssidx] = NULL; - ndev->netdev_ops = NULL; - free_netdev(ndev); - return -EBADE; -} - -struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, - bool is_p2pdev, char *name, u8 *mac_addr) -{ - struct brcmf_if *ifp; - struct net_device *ndev; - - brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx); - - ifp = drvr->iflist[bssidx]; - /* - * Delete the existing interface before overwriting it - * in case we missed the BRCMF_E_IF_DEL event. - */ - if (ifp) { - brcmf_err("ERROR: netdev:%s already exists\n", - ifp->ndev->name); - if (ifidx) { - netif_stop_queue(ifp->ndev); - brcmf_net_detach(ifp->ndev); - drvr->iflist[bssidx] = NULL; - } else { - brcmf_err("ignore IF event\n"); - return ERR_PTR(-EINVAL); - } - } - - if (!brcmf_p2p_enable && is_p2pdev) { - /* this is P2P_DEVICE interface */ - brcmf_dbg(INFO, "allocate non-netdev interface\n"); - ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); - if (!ifp) - return ERR_PTR(-ENOMEM); - } else { - brcmf_dbg(INFO, "allocate netdev interface\n"); - /* Allocate netdev, including space for private structure */ - ndev = alloc_netdev(sizeof(*ifp), is_p2pdev ? "p2p%d" : name, - NET_NAME_UNKNOWN, ether_setup); - if (!ndev) - return ERR_PTR(-ENOMEM); - - ndev->destructor = brcmf_cfg80211_free_netdev; - ifp = netdev_priv(ndev); - ifp->ndev = ndev; - /* store mapping ifidx to bssidx */ - if (drvr->if2bss[ifidx] == BRCMF_BSSIDX_INVALID) - drvr->if2bss[ifidx] = bssidx; - } - - ifp->drvr = drvr; - drvr->iflist[bssidx] = ifp; - ifp->ifidx = ifidx; - ifp->bssidx = bssidx; - - init_waitqueue_head(&ifp->pend_8021x_wait); - spin_lock_init(&ifp->netif_stop_lock); - - if (mac_addr != NULL) - memcpy(ifp->mac_addr, mac_addr, ETH_ALEN); - - brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n", - current->pid, name, ifp->mac_addr); - - return ifp; -} - -static void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx) -{ - struct brcmf_if *ifp; - - ifp = drvr->iflist[bssidx]; - drvr->iflist[bssidx] = NULL; - if (!ifp) { - brcmf_err("Null interface, idx=%d\n", bssidx); - return; - } - brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); - if (drvr->if2bss[ifp->ifidx] == bssidx) - drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID; - if (ifp->ndev) { - if (bssidx == 0) { - if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { - rtnl_lock(); - brcmf_netdev_stop(ifp->ndev); - rtnl_unlock(); - } - } else { - netif_stop_queue(ifp->ndev); - } - - if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { - cancel_work_sync(&ifp->setmacaddr_work); - cancel_work_sync(&ifp->multicast_work); - } - brcmf_net_detach(ifp->ndev); - } else { - /* Only p2p device interfaces which get dynamically created - * end up here. In this case the p2p module should be informed - * about the removal of the interface within the firmware. If - * not then p2p commands towards the firmware will cause some - * serious troublesome side effects. The p2p module will clean - * up the ifp if needed. - */ - brcmf_p2p_ifp_removed(ifp); - kfree(ifp); - } -} - -void brcmf_remove_interface(struct brcmf_if *ifp) -{ - if (!ifp || WARN_ON(ifp->drvr->iflist[ifp->bssidx] != ifp)) - return; - brcmf_dbg(TRACE, "Enter, bssidx=%d, ifidx=%d\n", ifp->bssidx, - ifp->ifidx); - brcmf_fws_del_interface(ifp); - brcmf_del_if(ifp->drvr, ifp->bssidx); -} - -int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr) -{ - int ifidx; - int bsscfgidx; - bool available; - int highest; - - available = false; - bsscfgidx = 2; - highest = 2; - for (ifidx = 0; ifidx < BRCMF_MAX_IFS; ifidx++) { - if (drvr->iflist[ifidx]) { - if (drvr->iflist[ifidx]->bssidx == bsscfgidx) - bsscfgidx = highest + 1; - else if (drvr->iflist[ifidx]->bssidx > highest) - highest = drvr->iflist[ifidx]->bssidx; - } else { - available = true; - } - } - - return available ? bsscfgidx : -ENOMEM; -} - -int brcmf_attach(struct device *dev) -{ - struct brcmf_pub *drvr = NULL; - int ret = 0; - int i; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Allocate primary brcmf_info */ - drvr = kzalloc(sizeof(struct brcmf_pub), GFP_ATOMIC); - if (!drvr) - return -ENOMEM; - - for (i = 0; i < ARRAY_SIZE(drvr->if2bss); i++) - drvr->if2bss[i] = BRCMF_BSSIDX_INVALID; - - mutex_init(&drvr->proto_block); - - /* Link to bus module */ - drvr->hdrlen = 0; - drvr->bus_if = dev_get_drvdata(dev); - drvr->bus_if->drvr = drvr; - - /* attach debug facilities */ - brcmf_debug_attach(drvr); - - /* Attach and link in the protocol */ - ret = brcmf_proto_attach(drvr); - if (ret != 0) { - brcmf_err("brcmf_prot_attach failed\n"); - goto fail; - } - - /* attach firmware event handler */ - brcmf_fweh_attach(drvr); - - return ret; - -fail: - brcmf_detach(dev); - - return ret; -} - -static int brcmf_revinfo_read(struct seq_file *s, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(s->private); - struct brcmf_rev_info *ri = &bus_if->drvr->revinfo; - char drev[BRCMU_DOTREV_LEN]; - char brev[BRCMU_BOARDREV_LEN]; - - seq_printf(s, "vendorid: 0x%04x\n", ri->vendorid); - seq_printf(s, "deviceid: 0x%04x\n", ri->deviceid); - seq_printf(s, "radiorev: %s\n", brcmu_dotrev_str(ri->radiorev, drev)); - seq_printf(s, "chipnum: %u (%x)\n", ri->chipnum, ri->chipnum); - seq_printf(s, "chiprev: %u\n", ri->chiprev); - seq_printf(s, "chippkg: %u\n", ri->chippkg); - seq_printf(s, "corerev: %u\n", ri->corerev); - seq_printf(s, "boardid: 0x%04x\n", ri->boardid); - seq_printf(s, "boardvendor: 0x%04x\n", ri->boardvendor); - seq_printf(s, "boardrev: %s\n", brcmu_boardrev_str(ri->boardrev, brev)); - seq_printf(s, "driverrev: %s\n", brcmu_dotrev_str(ri->driverrev, drev)); - seq_printf(s, "ucoderev: %u\n", ri->ucoderev); - seq_printf(s, "bus: %u\n", ri->bus); - seq_printf(s, "phytype: %u\n", ri->phytype); - seq_printf(s, "phyrev: %u\n", ri->phyrev); - seq_printf(s, "anarev: %u\n", ri->anarev); - seq_printf(s, "nvramrev: %08x\n", ri->nvramrev); - - return 0; -} - -int brcmf_bus_start(struct device *dev) -{ - int ret = -1; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_if *ifp; - struct brcmf_if *p2p_ifp; - - brcmf_dbg(TRACE, "\n"); - - /* add primary networking interface */ - ifp = brcmf_add_if(drvr, 0, 0, false, "wlan%d", NULL); - if (IS_ERR(ifp)) - return PTR_ERR(ifp); - - p2p_ifp = NULL; - - /* signal bus ready */ - brcmf_bus_change_state(bus_if, BRCMF_BUS_UP); - - /* Bus is ready, do any initialization */ - ret = brcmf_c_preinit_dcmds(ifp); - if (ret < 0) - goto fail; - - brcmf_debugfs_add_entry(drvr, "revinfo", brcmf_revinfo_read); - - /* assure we have chipid before feature attach */ - if (!bus_if->chip) { - bus_if->chip = drvr->revinfo.chipnum; - bus_if->chiprev = drvr->revinfo.chiprev; - brcmf_dbg(INFO, "firmware revinfo: chip %x (%d) rev %d\n", - bus_if->chip, bus_if->chip, bus_if->chiprev); - } - brcmf_feat_attach(drvr); - - ret = brcmf_fws_init(drvr); - if (ret < 0) - goto fail; - - brcmf_fws_add_interface(ifp); - - drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev, - brcmf_p2p_enable); - if (drvr->config == NULL) { - ret = -ENOMEM; - goto fail; - } - - ret = brcmf_net_attach(ifp, false); - - if ((!ret) && (brcmf_p2p_enable)) { - p2p_ifp = drvr->iflist[1]; - if (p2p_ifp) - ret = brcmf_net_p2p_attach(p2p_ifp); - } -fail: - if (ret < 0) { - brcmf_err("failed: %d\n", ret); - if (drvr->config) { - brcmf_cfg80211_detach(drvr->config); - drvr->config = NULL; - } - if (drvr->fws) { - brcmf_fws_del_interface(ifp); - brcmf_fws_deinit(drvr); - } - if (ifp) - brcmf_net_detach(ifp->ndev); - if (p2p_ifp) - brcmf_net_detach(p2p_ifp->ndev); - return ret; - } - return 0; -} - -void brcmf_bus_add_txhdrlen(struct device *dev, uint len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - if (drvr) { - drvr->hdrlen += len; - } -} - -static void brcmf_bus_detach(struct brcmf_pub *drvr) -{ - brcmf_dbg(TRACE, "Enter\n"); - - if (drvr) { - /* Stop the bus module */ - brcmf_bus_stop(drvr->bus_if); - } -} - -void brcmf_dev_reset(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - if (drvr == NULL) - return; - - if (drvr->iflist[0]) - brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1); -} - -void brcmf_detach(struct device *dev) -{ - s32 i; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - - brcmf_dbg(TRACE, "Enter\n"); - - if (drvr == NULL) - return; - - /* stop firmware event handling */ - brcmf_fweh_detach(drvr); - if (drvr->config) - brcmf_p2p_detach(&drvr->config->p2p); - - brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN); - - /* make sure primary interface removed last */ - for (i = BRCMF_MAX_IFS-1; i > -1; i--) - brcmf_remove_interface(drvr->iflist[i]); - - brcmf_cfg80211_detach(drvr->config); - - brcmf_fws_deinit(drvr); - - brcmf_bus_detach(drvr); - - brcmf_proto_detach(drvr); - - brcmf_debug_detach(drvr); - bus_if->drvr = NULL; - kfree(drvr); -} - -s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_if *ifp = bus_if->drvr->iflist[0]; - - return brcmf_fil_iovar_data_set(ifp, name, data, len); -} - -static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp) -{ - return atomic_read(&ifp->pend_8021x_cnt); -} - -int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp) -{ - int err; - - err = wait_event_timeout(ifp->pend_8021x_wait, - !brcmf_get_pend_8021x_cnt(ifp), - msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX)); - - WARN_ON(!err); - - return !err; -} - -void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state) -{ - struct brcmf_pub *drvr = bus->drvr; - struct net_device *ndev; - int ifidx; - - brcmf_dbg(TRACE, "%d -> %d\n", bus->state, state); - bus->state = state; - - if (state == BRCMF_BUS_UP) { - for (ifidx = 0; ifidx < BRCMF_MAX_IFS; ifidx++) { - if ((drvr->iflist[ifidx]) && - (drvr->iflist[ifidx]->ndev)) { - ndev = drvr->iflist[ifidx]->ndev; - if (netif_queue_stopped(ndev)) - netif_wake_queue(ndev); - } - } - } -} - -static void brcmf_driver_register(struct work_struct *work) -{ -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_register(); -#endif -#ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_register(); -#endif -#ifdef CONFIG_BRCMFMAC_PCIE - brcmf_pcie_register(); -#endif -} -static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); - -static int __init brcmfmac_module_init(void) -{ - brcmf_debugfs_init(); -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_init(); -#endif - if (!schedule_work(&brcmf_driver_work)) - return -EBUSY; - - return 0; -} - -static void __exit brcmfmac_module_exit(void) -{ - cancel_work_sync(&brcmf_driver_work); - -#ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_exit(); -#endif -#ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_exit(); -#endif -#ifdef CONFIG_BRCMFMAC_PCIE - brcmf_pcie_exit(); -#endif - brcmf_debugfs_exit(); -} - -module_init(brcmfmac_module_init); -module_exit(brcmfmac_module_exit); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.h b/drivers/net/wireless/brcm80211/brcmfmac/core.h deleted file mode 100644 index 2f9101b2ad34..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.h +++ /dev/null @@ -1,221 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/**************** - * Common types * - */ - -#ifndef BRCMFMAC_CORE_H -#define BRCMFMAC_CORE_H - -#include <net/cfg80211.h> -#include "fweh.h" - -#define TOE_TX_CSUM_OL 0x00000001 -#define TOE_RX_CSUM_OL 0x00000002 - -/* For supporting multiple interfaces */ -#define BRCMF_MAX_IFS 16 - -/* Small, medium and maximum buffer size for dcmd - */ -#define BRCMF_DCMD_SMLEN 256 -#define BRCMF_DCMD_MEDLEN 1536 -#define BRCMF_DCMD_MAXLEN 8192 - -/* IOCTL from host to device are limited in lenght. A device can only handle - * ethernet frame size. This limitation is to be applied by protocol layer. - */ -#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) - -#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 - -/* Length of firmware version string stored for - * ethtool driver info which uses 32 bytes as well. - */ -#define BRCMF_DRIVER_FIRMWARE_VERSION_LEN 32 - -/** - * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info - * - * @pktslots: dynamic allocated array for ordering AMPDU packets. - * @flow_id: AMPDU flow identifier. - * @cur_idx: last AMPDU index from firmware. - * @exp_idx: expected next AMPDU index. - * @max_idx: maximum amount of packets per AMPDU. - * @pend_pkts: number of packets currently in @pktslots. - */ -struct brcmf_ampdu_rx_reorder { - struct sk_buff **pktslots; - u8 flow_id; - u8 cur_idx; - u8 exp_idx; - u8 max_idx; - u8 pend_pkts; -}; - -/* Forward decls for struct brcmf_pub (see below) */ -struct brcmf_proto; /* device communication protocol info */ -struct brcmf_cfg80211_dev; /* cfg80211 device info */ -struct brcmf_fws_info; /* firmware signalling info */ - -/* - * struct brcmf_rev_info - * - * The result field stores the error code of the - * revision info request from firmware. For the - * other fields see struct brcmf_rev_info_le in - * fwil_types.h - */ -struct brcmf_rev_info { - int result; - u32 vendorid; - u32 deviceid; - u32 radiorev; - u32 chiprev; - u32 corerev; - u32 boardid; - u32 boardvendor; - u32 boardrev; - u32 driverrev; - u32 ucoderev; - u32 bus; - u32 chipnum; - u32 phytype; - u32 phyrev; - u32 anarev; - u32 chippkg; - u32 nvramrev; -}; - -/* Common structure for module and instance linkage */ -struct brcmf_pub { - /* Linkage ponters */ - struct brcmf_bus *bus_if; - struct brcmf_proto *proto; - struct brcmf_cfg80211_info *config; - - /* Internal brcmf items */ - uint hdrlen; /* Total BRCMF header length (proto + bus) */ - uint rxsz; /* Rx buffer size bus module should use */ - - /* Dongle media info */ - char fwver[BRCMF_DRIVER_FIRMWARE_VERSION_LEN]; - u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */ - - /* Multicast data packets sent to dongle */ - unsigned long tx_multicast; - - struct mac_address addresses[BRCMF_MAX_IFS]; - - struct brcmf_if *iflist[BRCMF_MAX_IFS]; - s32 if2bss[BRCMF_MAX_IFS]; - - struct mutex proto_block; - unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; - - struct brcmf_fweh_info fweh; - - struct brcmf_fws_info *fws; - - struct brcmf_ampdu_rx_reorder - *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; - - u32 feat_flags; - u32 chip_quirks; - - struct brcmf_rev_info revinfo; -#ifdef DEBUG - struct dentry *dbgfs_dir; -#endif -}; - -/* forward declarations */ -struct brcmf_cfg80211_vif; -struct brcmf_fws_mac_descriptor; - -/** - * enum brcmf_netif_stop_reason - reason for stopping netif queue. - * - * @BRCMF_NETIF_STOP_REASON_FWS_FC: - * netif stopped due to firmware signalling flow control. - * @BRCMF_NETIF_STOP_REASON_FLOW: - * netif stopped due to flowring full. - * @BRCMF_NETIF_STOP_REASON_DISCONNECTED: - * netif stopped due to not being connected (STA mode). - */ -enum brcmf_netif_stop_reason { - BRCMF_NETIF_STOP_REASON_FWS_FC = BIT(0), - BRCMF_NETIF_STOP_REASON_FLOW = BIT(1), - BRCMF_NETIF_STOP_REASON_DISCONNECTED = BIT(2) -}; - -/** - * struct brcmf_if - interface control information. - * - * @drvr: points to device related information. - * @vif: points to cfg80211 specific interface information. - * @ndev: associated network device. - * @stats: interface specific network statistics. - * @setmacaddr_work: worker object for setting mac address. - * @multicast_work: worker object for multicast provisioning. - * @fws_desc: interface specific firmware-signalling descriptor. - * @ifidx: interface index in device firmware. - * @bssidx: index of bss associated with this interface. - * @mac_addr: assigned mac address. - * @netif_stop: bitmap indicates reason why netif queues are stopped. - * @netif_stop_lock: spinlock for update netif_stop from multiple sources. - * @pend_8021x_cnt: tracks outstanding number of 802.1x frames. - * @pend_8021x_wait: used for signalling change in count. - */ -struct brcmf_if { - struct brcmf_pub *drvr; - struct brcmf_cfg80211_vif *vif; - struct net_device *ndev; - struct net_device_stats stats; - struct work_struct setmacaddr_work; - struct work_struct multicast_work; - struct brcmf_fws_mac_descriptor *fws_desc; - int ifidx; - s32 bssidx; - u8 mac_addr[ETH_ALEN]; - u8 netif_stop; - spinlock_t netif_stop_lock; - atomic_t pend_8021x_cnt; - wait_queue_head_t pend_8021x_wait; -}; - -struct brcmf_skb_reorder_data { - u8 *reorder; -}; - -int brcmf_netdev_wait_pend8021x(struct brcmf_if *ifp); - -/* Return pointer to interface name */ -char *brcmf_ifname(struct brcmf_pub *drvr, int idx); -struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx); -int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); -struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, - bool is_p2pdev, char *name, u8 *mac_addr); -void brcmf_remove_interface(struct brcmf_if *ifp); -int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr); -void brcmf_txflowblock_if(struct brcmf_if *ifp, - enum brcmf_netif_stop_reason reason, bool state); -void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success); -void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb); -void brcmf_net_setcarrier(struct brcmf_if *ifp, bool on); - -#endif /* BRCMFMAC_CORE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/brcm80211/brcmfmac/debug.c deleted file mode 100644 index 1299dccc78b4..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/debug.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/debugfs.h> -#include <linux/netdevice.h> -#include <linux/module.h> -#include <linux/devcoredump.h> - -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include "core.h" -#include "bus.h" -#include "fweh.h" -#include "debug.h" - -static struct dentry *root_folder; - -static int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, - size_t len) -{ - void *dump; - size_t ramsize; - - ramsize = brcmf_bus_get_ramsize(bus); - if (ramsize) { - dump = vzalloc(len + ramsize); - if (!dump) - return -ENOMEM; - memcpy(dump, data, len); - brcmf_bus_get_memdump(bus, dump + len, ramsize); - dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL); - } - return 0; -} - -static int brcmf_debug_psm_watchdog_notify(struct brcmf_if *ifp, - const struct brcmf_event_msg *evtmsg, - void *data) -{ - brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx); - - return brcmf_debug_create_memdump(ifp->drvr->bus_if, data, - evtmsg->datalen); -} - -void brcmf_debugfs_init(void) -{ - root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (IS_ERR(root_folder)) - root_folder = NULL; -} - -void brcmf_debugfs_exit(void) -{ - if (!root_folder) - return; - - debugfs_remove_recursive(root_folder); - root_folder = NULL; -} - -int brcmf_debug_attach(struct brcmf_pub *drvr) -{ - struct device *dev = drvr->bus_if->dev; - - if (!root_folder) - return -ENODEV; - - drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder); - if (IS_ERR(drvr->dbgfs_dir)) - return PTR_ERR(drvr->dbgfs_dir); - - - return brcmf_fweh_register(drvr, BRCMF_E_PSM_WATCHDOG, - brcmf_debug_psm_watchdog_notify); -} - -void brcmf_debug_detach(struct brcmf_pub *drvr) -{ - brcmf_fweh_unregister(drvr, BRCMF_E_PSM_WATCHDOG); - - if (!IS_ERR_OR_NULL(drvr->dbgfs_dir)) - debugfs_remove_recursive(drvr->dbgfs_dir); -} - -struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) -{ - return drvr->dbgfs_dir; -} - -int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, - int (*read_fn)(struct seq_file *seq, void *data)) -{ - struct dentry *e; - - e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn, - drvr->dbgfs_dir, read_fn); - return PTR_ERR_OR_ZERO(e); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/debug.h b/drivers/net/wireless/brcm80211/brcmfmac/debug.h deleted file mode 100644 index d0d9676f7f9d..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/debug.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef BRCMFMAC_DEBUG_H -#define BRCMFMAC_DEBUG_H - -/* message levels */ -#define BRCMF_TRACE_VAL 0x00000002 -#define BRCMF_INFO_VAL 0x00000004 -#define BRCMF_DATA_VAL 0x00000008 -#define BRCMF_CTL_VAL 0x00000010 -#define BRCMF_TIMER_VAL 0x00000020 -#define BRCMF_HDRS_VAL 0x00000040 -#define BRCMF_BYTES_VAL 0x00000080 -#define BRCMF_INTR_VAL 0x00000100 -#define BRCMF_GLOM_VAL 0x00000200 -#define BRCMF_EVENT_VAL 0x00000400 -#define BRCMF_BTA_VAL 0x00000800 -#define BRCMF_FIL_VAL 0x00001000 -#define BRCMF_USB_VAL 0x00002000 -#define BRCMF_SCAN_VAL 0x00004000 -#define BRCMF_CONN_VAL 0x00008000 -#define BRCMF_BCDC_VAL 0x00010000 -#define BRCMF_SDIO_VAL 0x00020000 -#define BRCMF_MSGBUF_VAL 0x00040000 -#define BRCMF_PCIE_VAL 0x00080000 -#define BRCMF_FWCON_VAL 0x00100000 - -/* set default print format */ -#undef pr_fmt -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -/* Macro for error messages. net_ratelimit() is used when driver - * debugging is not selected. When debugging the driver error - * messages are as important as other tracing or even more so. - */ -#ifndef CONFIG_BRCM_TRACING -#ifdef CONFIG_BRCMDBG -#define brcmf_err(fmt, ...) pr_err("%s: " fmt, __func__, ##__VA_ARGS__) -#else -#define brcmf_err(fmt, ...) \ - do { \ - if (net_ratelimit()) \ - pr_err("%s: " fmt, __func__, ##__VA_ARGS__); \ - } while (0) -#endif -#else -__printf(2, 3) -void __brcmf_err(const char *func, const char *fmt, ...); -#define brcmf_err(fmt, ...) \ - __brcmf_err(__func__, fmt, ##__VA_ARGS__) -#endif - -#if defined(DEBUG) || defined(CONFIG_BRCM_TRACING) -__printf(3, 4) -void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...); -#define brcmf_dbg(level, fmt, ...) \ -do { \ - __brcmf_dbg(BRCMF_##level##_VAL, __func__, \ - fmt, ##__VA_ARGS__); \ -} while (0) -#define BRCMF_DATA_ON() (brcmf_msg_level & BRCMF_DATA_VAL) -#define BRCMF_CTL_ON() (brcmf_msg_level & BRCMF_CTL_VAL) -#define BRCMF_HDRS_ON() (brcmf_msg_level & BRCMF_HDRS_VAL) -#define BRCMF_BYTES_ON() (brcmf_msg_level & BRCMF_BYTES_VAL) -#define BRCMF_GLOM_ON() (brcmf_msg_level & BRCMF_GLOM_VAL) -#define BRCMF_EVENT_ON() (brcmf_msg_level & BRCMF_EVENT_VAL) -#define BRCMF_FIL_ON() (brcmf_msg_level & BRCMF_FIL_VAL) -#define BRCMF_FWCON_ON() (brcmf_msg_level & BRCMF_FWCON_VAL) - -#else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */ - -#define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__) - -#define BRCMF_DATA_ON() 0 -#define BRCMF_CTL_ON() 0 -#define BRCMF_HDRS_ON() 0 -#define BRCMF_BYTES_ON() 0 -#define BRCMF_GLOM_ON() 0 -#define BRCMF_EVENT_ON() 0 -#define BRCMF_FIL_ON() 0 -#define BRCMF_FWCON_ON() 0 - -#endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */ - -#define brcmf_dbg_hex_dump(test, data, len, fmt, ...) \ -do { \ - trace_brcmf_hexdump((void *)data, len); \ - if (test) \ - brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__); \ -} while (0) - -extern int brcmf_msg_level; - -struct brcmf_pub; -#ifdef DEBUG -void brcmf_debugfs_init(void); -void brcmf_debugfs_exit(void); -int brcmf_debug_attach(struct brcmf_pub *drvr); -void brcmf_debug_detach(struct brcmf_pub *drvr); -struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr); -int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, - int (*read_fn)(struct seq_file *seq, void *data)); -#else -static inline void brcmf_debugfs_init(void) -{ -} -static inline void brcmf_debugfs_exit(void) -{ -} -static inline int brcmf_debug_attach(struct brcmf_pub *drvr) -{ - return 0; -} -static inline void brcmf_debug_detach(struct brcmf_pub *drvr) -{ -} -static inline -int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, - int (*read_fn)(struct seq_file *seq, void *data)) -{ - return 0; -} -#endif - -#endif /* BRCMFMAC_DEBUG_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/brcm80211/brcmfmac/feature.c deleted file mode 100644 index 44bb30636690..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/feature.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/netdevice.h> -#include <linux/module.h> - -#include <brcm_hw_ids.h> -#include "core.h" -#include "bus.h" -#include "debug.h" -#include "fwil.h" -#include "feature.h" - - -/* Module param feature_disable (global for all devices) */ -static int brcmf_feature_disable; -module_param_named(feature_disable, brcmf_feature_disable, int, 0); -MODULE_PARM_DESC(feature_disable, "Disable features"); - -/* - * expand feature list to array of feature strings. - */ -#define BRCMF_FEAT_DEF(_f) \ - #_f, -static const char *brcmf_feat_names[] = { - BRCMF_FEAT_LIST -}; -#undef BRCMF_FEAT_DEF - -#ifdef DEBUG -/* - * expand quirk list to array of quirk strings. - */ -#define BRCMF_QUIRK_DEF(_q) \ - #_q, -static const char * const brcmf_quirk_names[] = { - BRCMF_QUIRK_LIST -}; -#undef BRCMF_QUIRK_DEF - -/** - * brcmf_feat_debugfs_read() - expose feature info to debugfs. - * - * @seq: sequence for debugfs entry. - * @data: raw data pointer. - */ -static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); - u32 feats = bus_if->drvr->feat_flags; - u32 quirks = bus_if->drvr->chip_quirks; - int id; - - seq_printf(seq, "Features: %08x\n", feats); - for (id = 0; id < BRCMF_FEAT_LAST; id++) - if (feats & BIT(id)) - seq_printf(seq, "\t%s\n", brcmf_feat_names[id]); - seq_printf(seq, "\nQuirks: %08x\n", quirks); - for (id = 0; id < BRCMF_FEAT_QUIRK_LAST; id++) - if (quirks & BIT(id)) - seq_printf(seq, "\t%s\n", brcmf_quirk_names[id]); - return 0; -} -#else -static int brcmf_feat_debugfs_read(struct seq_file *seq, void *data) -{ - return 0; -} -#endif /* DEBUG */ - -/** - * brcmf_feat_iovar_int_get() - determine feature through iovar query. - * - * @ifp: interface to query. - * @id: feature id. - * @name: iovar name. - */ -static void brcmf_feat_iovar_int_get(struct brcmf_if *ifp, - enum brcmf_feat_id id, char *name) -{ - u32 data; - int err; - - err = brcmf_fil_iovar_int_get(ifp, name, &data); - if (err == 0) { - brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); - ifp->drvr->feat_flags |= BIT(id); - } else { - brcmf_dbg(TRACE, "%s feature check failed: %d\n", - brcmf_feat_names[id], err); - } -} - -/** - * brcmf_feat_iovar_int_set() - determine feature through iovar set. - * - * @ifp: interface to query. - * @id: feature id. - * @name: iovar name. - */ -static void brcmf_feat_iovar_int_set(struct brcmf_if *ifp, - enum brcmf_feat_id id, char *name, u32 val) -{ - int err; - - err = brcmf_fil_iovar_int_set(ifp, name, val); - if (err == 0) { - brcmf_dbg(INFO, "enabling feature: %s\n", brcmf_feat_names[id]); - ifp->drvr->feat_flags |= BIT(id); - } else { - brcmf_dbg(TRACE, "%s feature check failed: %d\n", - brcmf_feat_names[id], err); - } -} - -void brcmf_feat_attach(struct brcmf_pub *drvr) -{ - struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); - - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_MCHAN, "mchan"); - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_PNO, "pfn"); - if (drvr->bus_if->wowl_supported) - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_WOWL, "wowl"); - if (drvr->bus_if->chip != BRCM_CC_43362_CHIP_ID) - brcmf_feat_iovar_int_set(ifp, BRCMF_FEAT_MBSS, "mbss", 0); - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_P2P, "p2p"); - - if (brcmf_feature_disable) { - brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n", - ifp->drvr->feat_flags, brcmf_feature_disable); - ifp->drvr->feat_flags &= ~brcmf_feature_disable; - } - - /* set chip related quirks */ - switch (drvr->bus_if->chip) { - case BRCM_CC_43236_CHIP_ID: - drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_AUTO_AUTH); - break; - case BRCM_CC_4329_CHIP_ID: - drvr->chip_quirks |= BIT(BRCMF_FEAT_QUIRK_NEED_MPC); - break; - default: - /* no quirks */ - break; - } - - brcmf_debugfs_add_entry(drvr, "features", brcmf_feat_debugfs_read); -} - -bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id) -{ - return (ifp->drvr->feat_flags & BIT(id)); -} - -bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp, - enum brcmf_feat_quirk quirk) -{ - return (ifp->drvr->chip_quirks & BIT(quirk)); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/feature.h b/drivers/net/wireless/brcm80211/brcmfmac/feature.h deleted file mode 100644 index 6b381f799f22..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/feature.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef _BRCMF_FEATURE_H -#define _BRCMF_FEATURE_H - -/* - * Features: - * - * MBSS: multiple BSSID support (eg. guest network in AP mode). - * MCHAN: multi-channel for concurrent P2P. - * PNO: preferred network offload. - * WOWL: Wake-On-WLAN. - * P2P: peer-to-peer - */ -#define BRCMF_FEAT_LIST \ - BRCMF_FEAT_DEF(MBSS) \ - BRCMF_FEAT_DEF(MCHAN) \ - BRCMF_FEAT_DEF(PNO) \ - BRCMF_FEAT_DEF(WOWL) \ - BRCMF_FEAT_DEF(P2P) -/* - * Quirks: - * - * AUTO_AUTH: workaround needed for automatic authentication type. - * NEED_MPC: driver needs to disable MPC during scanning operation. - */ -#define BRCMF_QUIRK_LIST \ - BRCMF_QUIRK_DEF(AUTO_AUTH) \ - BRCMF_QUIRK_DEF(NEED_MPC) - -#define BRCMF_FEAT_DEF(_f) \ - BRCMF_FEAT_ ## _f, -/* - * expand feature list to enumeration. - */ -enum brcmf_feat_id { - BRCMF_FEAT_LIST - BRCMF_FEAT_LAST -}; -#undef BRCMF_FEAT_DEF - -#define BRCMF_QUIRK_DEF(_q) \ - BRCMF_FEAT_QUIRK_ ## _q, -/* - * expand quirk list to enumeration. - */ -enum brcmf_feat_quirk { - BRCMF_QUIRK_LIST - BRCMF_FEAT_QUIRK_LAST -}; -#undef BRCMF_QUIRK_DEF - -/** - * brcmf_feat_attach() - determine features and quirks. - * - * @drvr: driver instance. - */ -void brcmf_feat_attach(struct brcmf_pub *drvr); - -/** - * brcmf_feat_is_enabled() - query feature. - * - * @ifp: interface instance. - * @id: feature id to check. - * - * Return: true is feature is enabled; otherwise false. - */ -bool brcmf_feat_is_enabled(struct brcmf_if *ifp, enum brcmf_feat_id id); - -/** - * brcmf_feat_is_quirk_enabled() - query chip quirk. - * - * @ifp: interface instance. - * @quirk: quirk id to check. - * - * Return: true is quirk is enabled; otherwise false. - */ -bool brcmf_feat_is_quirk_enabled(struct brcmf_if *ifp, - enum brcmf_feat_quirk quirk); - -#endif /* _BRCMF_FEATURE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/brcm80211/brcmfmac/firmware.c deleted file mode 100644 index 4248f3c80e78..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.c +++ /dev/null @@ -1,542 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/module.h> -#include <linux/bcm47xx_nvram.h> - -#include "debug.h" -#include "firmware.h" - -#define BRCMF_FW_MAX_NVRAM_SIZE 64000 -#define BRCMF_FW_NVRAM_DEVPATH_LEN 19 /* devpath0=pcie/1/4/ */ -#define BRCMF_FW_NVRAM_PCIEDEV_LEN 10 /* pcie/1/4/ + \0 */ - -char brcmf_firmware_path[BRCMF_FW_PATH_LEN]; -module_param_string(alternative_fw_path, brcmf_firmware_path, - BRCMF_FW_PATH_LEN, 0440); - -enum nvram_parser_state { - IDLE, - KEY, - VALUE, - COMMENT, - END -}; - -/** - * struct nvram_parser - internal info for parser. - * - * @state: current parser state. - * @data: input buffer being parsed. - * @nvram: output buffer with parse result. - * @nvram_len: lenght of parse result. - * @line: current line. - * @column: current column in line. - * @pos: byte offset in input buffer. - * @entry: start position of key,value entry. - * @multi_dev_v1: detect pcie multi device v1 (compressed). - * @multi_dev_v2: detect pcie multi device v2. - */ -struct nvram_parser { - enum nvram_parser_state state; - const u8 *data; - u8 *nvram; - u32 nvram_len; - u32 line; - u32 column; - u32 pos; - u32 entry; - bool multi_dev_v1; - bool multi_dev_v2; -}; - -/** - * is_nvram_char() - check if char is a valid one for NVRAM entry - * - * It accepts all printable ASCII chars except for '#' which opens a comment. - * Please note that ' ' (space) while accepted is not a valid key name char. - */ -static bool is_nvram_char(char c) -{ - /* comment marker excluded */ - if (c == '#') - return false; - - /* key and value may have any other readable character */ - return (c >= 0x20 && c < 0x7f); -} - -static bool is_whitespace(char c) -{ - return (c == ' ' || c == '\r' || c == '\n' || c == '\t'); -} - -static enum nvram_parser_state brcmf_nvram_handle_idle(struct nvram_parser *nvp) -{ - char c; - - c = nvp->data[nvp->pos]; - if (c == '\n') - return COMMENT; - if (is_whitespace(c)) - goto proceed; - if (c == '#') - return COMMENT; - if (is_nvram_char(c)) { - nvp->entry = nvp->pos; - return KEY; - } - brcmf_dbg(INFO, "warning: ln=%d:col=%d: ignoring invalid character\n", - nvp->line, nvp->column); -proceed: - nvp->column++; - nvp->pos++; - return IDLE; -} - -static enum nvram_parser_state brcmf_nvram_handle_key(struct nvram_parser *nvp) -{ - enum nvram_parser_state st = nvp->state; - char c; - - c = nvp->data[nvp->pos]; - if (c == '=') { - /* ignore RAW1 by treating as comment */ - if (strncmp(&nvp->data[nvp->entry], "RAW1", 4) == 0) - st = COMMENT; - else - st = VALUE; - if (strncmp(&nvp->data[nvp->entry], "devpath", 7) == 0) - nvp->multi_dev_v1 = true; - if (strncmp(&nvp->data[nvp->entry], "pcie/", 5) == 0) - nvp->multi_dev_v2 = true; - } else if (!is_nvram_char(c) || c == ' ') { - brcmf_dbg(INFO, "warning: ln=%d:col=%d: '=' expected, skip invalid key entry\n", - nvp->line, nvp->column); - return COMMENT; - } - - nvp->column++; - nvp->pos++; - return st; -} - -static enum nvram_parser_state -brcmf_nvram_handle_value(struct nvram_parser *nvp) -{ - char c; - char *skv; - char *ekv; - u32 cplen; - - c = nvp->data[nvp->pos]; - if (!is_nvram_char(c)) { - /* key,value pair complete */ - ekv = (u8 *)&nvp->data[nvp->pos]; - skv = (u8 *)&nvp->data[nvp->entry]; - cplen = ekv - skv; - if (nvp->nvram_len + cplen + 1 >= BRCMF_FW_MAX_NVRAM_SIZE) - return END; - /* copy to output buffer */ - memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen); - nvp->nvram_len += cplen; - nvp->nvram[nvp->nvram_len] = '\0'; - nvp->nvram_len++; - return IDLE; - } - nvp->pos++; - nvp->column++; - return VALUE; -} - -static enum nvram_parser_state -brcmf_nvram_handle_comment(struct nvram_parser *nvp) -{ - char *eoc, *sol; - - sol = (char *)&nvp->data[nvp->pos]; - eoc = strchr(sol, '\n'); - if (!eoc) { - eoc = strchr(sol, '\0'); - if (!eoc) - return END; - } - - /* eat all moving to next line */ - nvp->line++; - nvp->column = 1; - nvp->pos += (eoc - sol) + 1; - return IDLE; -} - -static enum nvram_parser_state brcmf_nvram_handle_end(struct nvram_parser *nvp) -{ - /* final state */ - return END; -} - -static enum nvram_parser_state -(*nv_parser_states[])(struct nvram_parser *nvp) = { - brcmf_nvram_handle_idle, - brcmf_nvram_handle_key, - brcmf_nvram_handle_value, - brcmf_nvram_handle_comment, - brcmf_nvram_handle_end -}; - -static int brcmf_init_nvram_parser(struct nvram_parser *nvp, - const u8 *data, size_t data_len) -{ - size_t size; - - memset(nvp, 0, sizeof(*nvp)); - nvp->data = data; - /* Limit size to MAX_NVRAM_SIZE, some files contain lot of comment */ - if (data_len > BRCMF_FW_MAX_NVRAM_SIZE) - size = BRCMF_FW_MAX_NVRAM_SIZE; - else - size = data_len; - /* Alloc for extra 0 byte + roundup by 4 + length field */ - size += 1 + 3 + sizeof(u32); - nvp->nvram = kzalloc(size, GFP_KERNEL); - if (!nvp->nvram) - return -ENOMEM; - - nvp->line = 1; - nvp->column = 1; - return 0; -} - -/* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple - * devices. Strip it down for one device, use domain_nr/bus_nr to determine - * which data is to be returned. v1 is the version where nvram is stored - * compressed and "devpath" maps to index for valid entries. - */ -static void brcmf_fw_strip_multi_v1(struct nvram_parser *nvp, u16 domain_nr, - u16 bus_nr) -{ - /* Device path with a leading '=' key-value separator */ - char pci_path[] = "=pci/?/?"; - size_t pci_len; - char pcie_path[] = "=pcie/?/?"; - size_t pcie_len; - - u32 i, j; - bool found; - u8 *nvram; - u8 id; - - nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL); - if (!nvram) - goto fail; - - /* min length: devpath0=pcie/1/4/ + 0:x=y */ - if (nvp->nvram_len < BRCMF_FW_NVRAM_DEVPATH_LEN + 6) - goto fail; - - /* First search for the devpathX and see if it is the configuration - * for domain_nr/bus_nr. Search complete nvp - */ - snprintf(pci_path, sizeof(pci_path), "=pci/%d/%d", domain_nr, - bus_nr); - pci_len = strlen(pci_path); - snprintf(pcie_path, sizeof(pcie_path), "=pcie/%d/%d", domain_nr, - bus_nr); - pcie_len = strlen(pcie_path); - found = false; - i = 0; - while (i < nvp->nvram_len - BRCMF_FW_NVRAM_DEVPATH_LEN) { - /* Format: devpathX=pcie/Y/Z/ - * Y = domain_nr, Z = bus_nr, X = virtual ID - */ - if (strncmp(&nvp->nvram[i], "devpath", 7) == 0 && - (!strncmp(&nvp->nvram[i + 8], pci_path, pci_len) || - !strncmp(&nvp->nvram[i + 8], pcie_path, pcie_len))) { - id = nvp->nvram[i + 7] - '0'; - found = true; - break; - } - while (nvp->nvram[i] != 0) - i++; - i++; - } - if (!found) - goto fail; - - /* Now copy all valid entries, release old nvram and assign new one */ - i = 0; - j = 0; - while (i < nvp->nvram_len) { - if ((nvp->nvram[i] - '0' == id) && (nvp->nvram[i + 1] == ':')) { - i += 2; - while (nvp->nvram[i] != 0) { - nvram[j] = nvp->nvram[i]; - i++; - j++; - } - nvram[j] = 0; - j++; - } - while (nvp->nvram[i] != 0) - i++; - i++; - } - kfree(nvp->nvram); - nvp->nvram = nvram; - nvp->nvram_len = j; - return; - -fail: - kfree(nvram); - nvp->nvram_len = 0; -} - -/* brcmf_fw_strip_multi_v2 :Some nvram files contain settings for multiple - * devices. Strip it down for one device, use domain_nr/bus_nr to determine - * which data is to be returned. v2 is the version where nvram is stored - * uncompressed, all relevant valid entries are identified by - * pcie/domain_nr/bus_nr: - */ -static void brcmf_fw_strip_multi_v2(struct nvram_parser *nvp, u16 domain_nr, - u16 bus_nr) -{ - char prefix[BRCMF_FW_NVRAM_PCIEDEV_LEN]; - size_t len; - u32 i, j; - u8 *nvram; - - nvram = kzalloc(nvp->nvram_len + 1 + 3 + sizeof(u32), GFP_KERNEL); - if (!nvram) - goto fail; - - /* Copy all valid entries, release old nvram and assign new one. - * Valid entries are of type pcie/X/Y/ where X = domain_nr and - * Y = bus_nr. - */ - snprintf(prefix, sizeof(prefix), "pcie/%d/%d/", domain_nr, bus_nr); - len = strlen(prefix); - i = 0; - j = 0; - while (i < nvp->nvram_len - len) { - if (strncmp(&nvp->nvram[i], prefix, len) == 0) { - i += len; - while (nvp->nvram[i] != 0) { - nvram[j] = nvp->nvram[i]; - i++; - j++; - } - nvram[j] = 0; - j++; - } - while (nvp->nvram[i] != 0) - i++; - i++; - } - kfree(nvp->nvram); - nvp->nvram = nvram; - nvp->nvram_len = j; - return; -fail: - kfree(nvram); - nvp->nvram_len = 0; -} - -/* brcmf_nvram_strip :Takes a buffer of "<var>=<value>\n" lines read from a fil - * and ending in a NUL. Removes carriage returns, empty lines, comment lines, - * and converts newlines to NULs. Shortens buffer as needed and pads with NULs. - * End of buffer is completed with token identifying length of buffer. - */ -static void *brcmf_fw_nvram_strip(const u8 *data, size_t data_len, - u32 *new_length, u16 domain_nr, u16 bus_nr) -{ - struct nvram_parser nvp; - u32 pad; - u32 token; - __le32 token_le; - - if (brcmf_init_nvram_parser(&nvp, data, data_len) < 0) - return NULL; - - while (nvp.pos < data_len) { - nvp.state = nv_parser_states[nvp.state](&nvp); - if (nvp.state == END) - break; - } - if (nvp.multi_dev_v1) - brcmf_fw_strip_multi_v1(&nvp, domain_nr, bus_nr); - else if (nvp.multi_dev_v2) - brcmf_fw_strip_multi_v2(&nvp, domain_nr, bus_nr); - - if (nvp.nvram_len == 0) { - kfree(nvp.nvram); - return NULL; - } - - pad = nvp.nvram_len; - *new_length = roundup(nvp.nvram_len + 1, 4); - while (pad != *new_length) { - nvp.nvram[pad] = 0; - pad++; - } - - token = *new_length / 4; - token = (~token << 16) | (token & 0x0000FFFF); - token_le = cpu_to_le32(token); - - memcpy(&nvp.nvram[*new_length], &token_le, sizeof(token_le)); - *new_length += sizeof(token_le); - - return nvp.nvram; -} - -void brcmf_fw_nvram_free(void *nvram) -{ - kfree(nvram); -} - -struct brcmf_fw { - struct device *dev; - u16 flags; - const struct firmware *code; - const char *nvram_name; - u16 domain_nr; - u16 bus_nr; - void (*done)(struct device *dev, const struct firmware *fw, - void *nvram_image, u32 nvram_len); -}; - -static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) -{ - struct brcmf_fw *fwctx = ctx; - u32 nvram_length = 0; - void *nvram = NULL; - u8 *data = NULL; - size_t data_len; - bool raw_nvram; - - brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (fw && fw->data) { - data = (u8 *)fw->data; - data_len = fw->size; - raw_nvram = false; - } else { - data = bcm47xx_nvram_get_contents(&data_len); - if (!data && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) - goto fail; - raw_nvram = true; - } - - if (data) - nvram = brcmf_fw_nvram_strip(data, data_len, &nvram_length, - fwctx->domain_nr, fwctx->bus_nr); - - if (raw_nvram) - bcm47xx_nvram_release_contents(data); - if (fw) - release_firmware(fw); - if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) - goto fail; - - fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); - kfree(fwctx); - return; - -fail: - brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); - release_firmware(fwctx->code); - device_release_driver(fwctx->dev); - kfree(fwctx); -} - -static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) -{ - struct brcmf_fw *fwctx = ctx; - int ret; - - brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (!fw) - goto fail; - - /* only requested code so done here */ - if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { - fwctx->done(fwctx->dev, fw, NULL, 0); - kfree(fwctx); - return; - } - fwctx->code = fw; - ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name, - fwctx->dev, GFP_KERNEL, fwctx, - brcmf_fw_request_nvram_done); - - if (!ret) - return; - - brcmf_fw_request_nvram_done(NULL, fwctx); - return; - -fail: - brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); - device_release_driver(fwctx->dev); - kfree(fwctx); -} - -int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, - const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, - const struct firmware *fw, - void *nvram_image, u32 nvram_len), - u16 domain_nr, u16 bus_nr) -{ - struct brcmf_fw *fwctx; - - brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev)); - if (!fw_cb || !code) - return -EINVAL; - - if ((flags & BRCMF_FW_REQUEST_NVRAM) && !nvram) - return -EINVAL; - - fwctx = kzalloc(sizeof(*fwctx), GFP_KERNEL); - if (!fwctx) - return -ENOMEM; - - fwctx->dev = dev; - fwctx->flags = flags; - fwctx->done = fw_cb; - if (flags & BRCMF_FW_REQUEST_NVRAM) - fwctx->nvram_name = nvram; - fwctx->domain_nr = domain_nr; - fwctx->bus_nr = bus_nr; - - return request_firmware_nowait(THIS_MODULE, true, code, dev, - GFP_KERNEL, fwctx, - brcmf_fw_request_code_done); -} - -int brcmf_fw_get_firmwares(struct device *dev, u16 flags, - const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, - const struct firmware *fw, - void *nvram_image, u32 nvram_len)) -{ - return brcmf_fw_get_firmwares_pcie(dev, flags, code, nvram, fw_cb, 0, - 0); -} - diff --git a/drivers/net/wireless/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/brcm80211/brcmfmac/firmware.h deleted file mode 100644 index 604dd48ab4e0..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/firmware.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_FIRMWARE_H -#define BRCMFMAC_FIRMWARE_H - -#define BRCMF_FW_REQUEST 0x000F -#define BRCMF_FW_REQUEST_NVRAM 0x0001 -#define BRCMF_FW_REQ_FLAGS 0x00F0 -#define BRCMF_FW_REQ_NV_OPTIONAL 0x0010 - -#define BRCMF_FW_PATH_LEN 256 -#define BRCMF_FW_NAME_LEN 32 - -extern char brcmf_firmware_path[]; - -void brcmf_fw_nvram_free(void *nvram); -/* - * Request firmware(s) asynchronously. When the asynchronous request - * fails it will not use the callback, but call device_release_driver() - * instead which will call the driver .remove() callback. - */ -int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, - const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, - const struct firmware *fw, - void *nvram_image, u32 nvram_len), - u16 domain_nr, u16 bus_nr); -int brcmf_fw_get_firmwares(struct device *dev, u16 flags, - const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, - const struct firmware *fw, - void *nvram_image, u32 nvram_len)); - -#endif /* BRCMFMAC_FIRMWARE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/flowring.c b/drivers/net/wireless/brcm80211/brcmfmac/flowring.c deleted file mode 100644 index 2ca783fa50cf..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/flowring.c +++ /dev/null @@ -1,504 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - -#include <linux/types.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <brcmu_utils.h> - -#include "core.h" -#include "debug.h" -#include "bus.h" -#include "proto.h" -#include "flowring.h" -#include "msgbuf.h" -#include "common.h" - - -#define BRCMF_FLOWRING_HIGH 1024 -#define BRCMF_FLOWRING_LOW (BRCMF_FLOWRING_HIGH - 256) -#define BRCMF_FLOWRING_INVALID_IFIDX 0xff - -#define BRCMF_FLOWRING_HASH_AP(da, fifo, ifidx) (da[5] + fifo + ifidx * 16) -#define BRCMF_FLOWRING_HASH_STA(fifo, ifidx) (fifo + ifidx * 16) - -static const u8 brcmf_flowring_prio2fifo[] = { - 1, - 0, - 0, - 1, - 2, - 2, - 3, - 3 -}; - - -static bool -brcmf_flowring_is_tdls_mac(struct brcmf_flowring *flow, u8 mac[ETH_ALEN]) -{ - struct brcmf_flowring_tdls_entry *search; - - search = flow->tdls_entry; - - while (search) { - if (memcmp(search->mac, mac, ETH_ALEN) == 0) - return true; - search = search->next; - } - - return false; -} - - -u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN], - u8 prio, u8 ifidx) -{ - struct brcmf_flowring_hash *hash; - u8 hash_idx; - u32 i; - bool found; - bool sta; - u8 fifo; - u8 *mac; - - fifo = brcmf_flowring_prio2fifo[prio]; - sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT); - mac = da; - if ((!sta) && (is_multicast_ether_addr(da))) { - mac = (u8 *)ALLFFMAC; - fifo = 0; - } - if ((sta) && (flow->tdls_active) && - (brcmf_flowring_is_tdls_mac(flow, da))) { - sta = false; - } - hash_idx = sta ? BRCMF_FLOWRING_HASH_STA(fifo, ifidx) : - BRCMF_FLOWRING_HASH_AP(mac, fifo, ifidx); - found = false; - hash = flow->hash; - for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) { - if ((sta || (memcmp(hash[hash_idx].mac, mac, ETH_ALEN) == 0)) && - (hash[hash_idx].fifo == fifo) && - (hash[hash_idx].ifidx == ifidx)) { - found = true; - break; - } - hash_idx++; - } - if (found) - return hash[hash_idx].flowid; - - return BRCMF_FLOWRING_INVALID_ID; -} - - -u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN], - u8 prio, u8 ifidx) -{ - struct brcmf_flowring_ring *ring; - struct brcmf_flowring_hash *hash; - u8 hash_idx; - u32 i; - bool found; - u8 fifo; - bool sta; - u8 *mac; - - fifo = brcmf_flowring_prio2fifo[prio]; - sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT); - mac = da; - if ((!sta) && (is_multicast_ether_addr(da))) { - mac = (u8 *)ALLFFMAC; - fifo = 0; - } - if ((sta) && (flow->tdls_active) && - (brcmf_flowring_is_tdls_mac(flow, da))) { - sta = false; - } - hash_idx = sta ? BRCMF_FLOWRING_HASH_STA(fifo, ifidx) : - BRCMF_FLOWRING_HASH_AP(mac, fifo, ifidx); - found = false; - hash = flow->hash; - for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) { - if ((hash[hash_idx].ifidx == BRCMF_FLOWRING_INVALID_IFIDX) && - (is_zero_ether_addr(hash[hash_idx].mac))) { - found = true; - break; - } - hash_idx++; - } - if (found) { - for (i = 0; i < flow->nrofrings; i++) { - if (flow->rings[i] == NULL) - break; - } - if (i == flow->nrofrings) - return -ENOMEM; - - ring = kzalloc(sizeof(*ring), GFP_ATOMIC); - if (!ring) - return -ENOMEM; - - memcpy(hash[hash_idx].mac, mac, ETH_ALEN); - hash[hash_idx].fifo = fifo; - hash[hash_idx].ifidx = ifidx; - hash[hash_idx].flowid = i; - - ring->hash_id = hash_idx; - ring->status = RING_CLOSED; - skb_queue_head_init(&ring->skblist); - flow->rings[i] = ring; - - return i; - } - return BRCMF_FLOWRING_INVALID_ID; -} - - -u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - - ring = flow->rings[flowid]; - - return flow->hash[ring->hash_id].fifo; -} - - -static void brcmf_flowring_block(struct brcmf_flowring *flow, u8 flowid, - bool blocked) -{ - struct brcmf_flowring_ring *ring; - struct brcmf_bus *bus_if; - struct brcmf_pub *drvr; - struct brcmf_if *ifp; - bool currently_blocked; - int i; - u8 ifidx; - unsigned long flags; - - spin_lock_irqsave(&flow->block_lock, flags); - - ring = flow->rings[flowid]; - if (ring->blocked == blocked) { - spin_unlock_irqrestore(&flow->block_lock, flags); - return; - } - ifidx = brcmf_flowring_ifidx_get(flow, flowid); - - currently_blocked = false; - for (i = 0; i < flow->nrofrings; i++) { - if ((flow->rings[i]) && (i != flowid)) { - ring = flow->rings[i]; - if ((ring->status == RING_OPEN) && - (brcmf_flowring_ifidx_get(flow, i) == ifidx)) { - if (ring->blocked) { - currently_blocked = true; - break; - } - } - } - } - flow->rings[flowid]->blocked = blocked; - if (currently_blocked) { - spin_unlock_irqrestore(&flow->block_lock, flags); - return; - } - - bus_if = dev_get_drvdata(flow->dev); - drvr = bus_if->drvr; - ifp = brcmf_get_ifp(drvr, ifidx); - brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FLOW, blocked); - - spin_unlock_irqrestore(&flow->block_lock, flags); -} - - -void brcmf_flowring_delete(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - u8 hash_idx; - struct sk_buff *skb; - - ring = flow->rings[flowid]; - if (!ring) - return; - brcmf_flowring_block(flow, flowid, false); - hash_idx = ring->hash_id; - flow->hash[hash_idx].ifidx = BRCMF_FLOWRING_INVALID_IFIDX; - eth_zero_addr(flow->hash[hash_idx].mac); - flow->rings[flowid] = NULL; - - skb = skb_dequeue(&ring->skblist); - while (skb) { - brcmu_pkt_buf_free_skb(skb); - skb = skb_dequeue(&ring->skblist); - } - - kfree(ring); -} - - -u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u8 flowid, - struct sk_buff *skb) -{ - struct brcmf_flowring_ring *ring; - - ring = flow->rings[flowid]; - - skb_queue_tail(&ring->skblist, skb); - - if (!ring->blocked && - (skb_queue_len(&ring->skblist) > BRCMF_FLOWRING_HIGH)) { - brcmf_flowring_block(flow, flowid, true); - brcmf_dbg(MSGBUF, "Flowcontrol: BLOCK for ring %d\n", flowid); - /* To prevent (work around) possible race condition, check - * queue len again. It is also possible to use locking to - * protect, but that is undesirable for every enqueue and - * dequeue. This simple check will solve a possible race - * condition if it occurs. - */ - if (skb_queue_len(&ring->skblist) < BRCMF_FLOWRING_LOW) - brcmf_flowring_block(flow, flowid, false); - } - return skb_queue_len(&ring->skblist); -} - - -struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - struct sk_buff *skb; - - ring = flow->rings[flowid]; - if (ring->status != RING_OPEN) - return NULL; - - skb = skb_dequeue(&ring->skblist); - - if (ring->blocked && - (skb_queue_len(&ring->skblist) < BRCMF_FLOWRING_LOW)) { - brcmf_flowring_block(flow, flowid, false); - brcmf_dbg(MSGBUF, "Flowcontrol: OPEN for ring %d\n", flowid); - } - - return skb; -} - - -void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u8 flowid, - struct sk_buff *skb) -{ - struct brcmf_flowring_ring *ring; - - ring = flow->rings[flowid]; - - skb_queue_head(&ring->skblist, skb); -} - - -u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - - ring = flow->rings[flowid]; - if (!ring) - return 0; - - if (ring->status != RING_OPEN) - return 0; - - return skb_queue_len(&ring->skblist); -} - - -void brcmf_flowring_open(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - - ring = flow->rings[flowid]; - if (!ring) { - brcmf_err("Ring NULL, for flowid %d\n", flowid); - return; - } - - ring->status = RING_OPEN; -} - - -u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u8 flowid) -{ - struct brcmf_flowring_ring *ring; - u8 hash_idx; - - ring = flow->rings[flowid]; - hash_idx = ring->hash_id; - - return flow->hash[hash_idx].ifidx; -} - - -struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings) -{ - struct brcmf_flowring *flow; - u32 i; - - flow = kzalloc(sizeof(*flow), GFP_KERNEL); - if (flow) { - flow->dev = dev; - flow->nrofrings = nrofrings; - spin_lock_init(&flow->block_lock); - for (i = 0; i < ARRAY_SIZE(flow->addr_mode); i++) - flow->addr_mode[i] = ADDR_INDIRECT; - for (i = 0; i < ARRAY_SIZE(flow->hash); i++) - flow->hash[i].ifidx = BRCMF_FLOWRING_INVALID_IFIDX; - flow->rings = kcalloc(nrofrings, sizeof(*flow->rings), - GFP_KERNEL); - if (!flow->rings) { - kfree(flow); - flow = NULL; - } - } - - return flow; -} - - -void brcmf_flowring_detach(struct brcmf_flowring *flow) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_flowring_tdls_entry *search; - struct brcmf_flowring_tdls_entry *remove; - u8 flowid; - - for (flowid = 0; flowid < flow->nrofrings; flowid++) { - if (flow->rings[flowid]) - brcmf_msgbuf_delete_flowring(drvr, flowid); - } - - search = flow->tdls_entry; - while (search) { - remove = search; - search = search->next; - kfree(remove); - } - kfree(flow->rings); - kfree(flow); -} - - -void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx, - enum proto_addr_mode addr_mode) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev); - struct brcmf_pub *drvr = bus_if->drvr; - u32 i; - u8 flowid; - - if (flow->addr_mode[ifidx] != addr_mode) { - for (i = 0; i < ARRAY_SIZE(flow->hash); i++) { - if (flow->hash[i].ifidx == ifidx) { - flowid = flow->hash[i].flowid; - if (flow->rings[flowid]->status != RING_OPEN) - continue; - flow->rings[flowid]->status = RING_CLOSING; - brcmf_msgbuf_delete_flowring(drvr, flowid); - } - } - flow->addr_mode[ifidx] = addr_mode; - } -} - - -void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx, - u8 peer[ETH_ALEN]) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(flow->dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_flowring_hash *hash; - struct brcmf_flowring_tdls_entry *prev; - struct brcmf_flowring_tdls_entry *search; - u32 i; - u8 flowid; - bool sta; - - sta = (flow->addr_mode[ifidx] == ADDR_INDIRECT); - - search = flow->tdls_entry; - prev = NULL; - while (search) { - if (memcmp(search->mac, peer, ETH_ALEN) == 0) { - sta = false; - break; - } - prev = search; - search = search->next; - } - - hash = flow->hash; - for (i = 0; i < BRCMF_FLOWRING_HASHSIZE; i++) { - if ((sta || (memcmp(hash[i].mac, peer, ETH_ALEN) == 0)) && - (hash[i].ifidx == ifidx)) { - flowid = flow->hash[i].flowid; - if (flow->rings[flowid]->status == RING_OPEN) { - flow->rings[flowid]->status = RING_CLOSING; - brcmf_msgbuf_delete_flowring(drvr, flowid); - } - } - } - - if (search) { - if (prev) - prev->next = search->next; - else - flow->tdls_entry = search->next; - kfree(search); - if (flow->tdls_entry == NULL) - flow->tdls_active = false; - } -} - - -void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx, - u8 peer[ETH_ALEN]) -{ - struct brcmf_flowring_tdls_entry *tdls_entry; - struct brcmf_flowring_tdls_entry *search; - - tdls_entry = kzalloc(sizeof(*tdls_entry), GFP_ATOMIC); - if (tdls_entry == NULL) - return; - - memcpy(tdls_entry->mac, peer, ETH_ALEN); - tdls_entry->next = NULL; - if (flow->tdls_entry == NULL) { - flow->tdls_entry = tdls_entry; - } else { - search = flow->tdls_entry; - if (memcmp(search->mac, peer, ETH_ALEN) == 0) - return; - while (search->next) { - search = search->next; - if (memcmp(search->mac, peer, ETH_ALEN) == 0) - return; - } - search->next = tdls_entry; - } - - flow->tdls_active = true; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/flowring.h b/drivers/net/wireless/brcm80211/brcmfmac/flowring.h deleted file mode 100644 index 95fd1c9675d1..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/flowring.h +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_FLOWRING_H -#define BRCMFMAC_FLOWRING_H - - -#define BRCMF_FLOWRING_HASHSIZE 256 -#define BRCMF_FLOWRING_INVALID_ID 0xFFFFFFFF - - -struct brcmf_flowring_hash { - u8 mac[ETH_ALEN]; - u8 fifo; - u8 ifidx; - u8 flowid; -}; - -enum ring_status { - RING_CLOSED, - RING_CLOSING, - RING_OPEN -}; - -struct brcmf_flowring_ring { - u16 hash_id; - bool blocked; - enum ring_status status; - struct sk_buff_head skblist; -}; - -struct brcmf_flowring_tdls_entry { - u8 mac[ETH_ALEN]; - struct brcmf_flowring_tdls_entry *next; -}; - -struct brcmf_flowring { - struct device *dev; - struct brcmf_flowring_hash hash[BRCMF_FLOWRING_HASHSIZE]; - struct brcmf_flowring_ring **rings; - spinlock_t block_lock; - enum proto_addr_mode addr_mode[BRCMF_MAX_IFS]; - u16 nrofrings; - bool tdls_active; - struct brcmf_flowring_tdls_entry *tdls_entry; -}; - - -u32 brcmf_flowring_lookup(struct brcmf_flowring *flow, u8 da[ETH_ALEN], - u8 prio, u8 ifidx); -u32 brcmf_flowring_create(struct brcmf_flowring *flow, u8 da[ETH_ALEN], - u8 prio, u8 ifidx); -void brcmf_flowring_delete(struct brcmf_flowring *flow, u8 flowid); -void brcmf_flowring_open(struct brcmf_flowring *flow, u8 flowid); -u8 brcmf_flowring_tid(struct brcmf_flowring *flow, u8 flowid); -u32 brcmf_flowring_enqueue(struct brcmf_flowring *flow, u8 flowid, - struct sk_buff *skb); -struct sk_buff *brcmf_flowring_dequeue(struct brcmf_flowring *flow, u8 flowid); -void brcmf_flowring_reinsert(struct brcmf_flowring *flow, u8 flowid, - struct sk_buff *skb); -u32 brcmf_flowring_qlen(struct brcmf_flowring *flow, u8 flowid); -u8 brcmf_flowring_ifidx_get(struct brcmf_flowring *flow, u8 flowid); -struct brcmf_flowring *brcmf_flowring_attach(struct device *dev, u16 nrofrings); -void brcmf_flowring_detach(struct brcmf_flowring *flow); -void brcmf_flowring_configure_addr_mode(struct brcmf_flowring *flow, int ifidx, - enum proto_addr_mode addr_mode); -void brcmf_flowring_delete_peer(struct brcmf_flowring *flow, int ifidx, - u8 peer[ETH_ALEN]); -void brcmf_flowring_add_tdls_peer(struct brcmf_flowring *flow, int ifidx, - u8 peer[ETH_ALEN]); - - -#endif /* BRCMFMAC_FLOWRING_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c deleted file mode 100644 index 3878b6f6cfce..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c +++ /dev/null @@ -1,478 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/netdevice.h> - -#include "brcmu_wifi.h" -#include "brcmu_utils.h" - -#include "core.h" -#include "debug.h" -#include "tracepoint.h" -#include "fwsignal.h" -#include "fweh.h" -#include "fwil.h" - -/** - * struct brcm_ethhdr - broadcom specific ether header. - * - * @subtype: subtype for this packet. - * @length: TODO: length of appended data. - * @version: version indication. - * @oui: OUI of this packet. - * @usr_subtype: subtype for this OUI. - */ -struct brcm_ethhdr { - __be16 subtype; - __be16 length; - u8 version; - u8 oui[3]; - __be16 usr_subtype; -} __packed; - -struct brcmf_event_msg_be { - __be16 version; - __be16 flags; - __be32 event_type; - __be32 status; - __be32 reason; - __be32 auth_type; - __be32 datalen; - u8 addr[ETH_ALEN]; - char ifname[IFNAMSIZ]; - u8 ifidx; - u8 bsscfgidx; -} __packed; - -/** - * struct brcmf_event - contents of broadcom event packet. - * - * @eth: standard ether header. - * @hdr: broadcom specific ether header. - * @msg: common part of the actual event message. - */ -struct brcmf_event { - struct ethhdr eth; - struct brcm_ethhdr hdr; - struct brcmf_event_msg_be msg; -} __packed; - -/** - * struct brcmf_fweh_queue_item - event item on event queue. - * - * @q: list element for queuing. - * @code: event code. - * @ifidx: interface index related to this event. - * @ifaddr: ethernet address for interface. - * @emsg: common parameters of the firmware event message. - * @data: event specific data part of the firmware event. - */ -struct brcmf_fweh_queue_item { - struct list_head q; - enum brcmf_fweh_event_code code; - u8 ifidx; - u8 ifaddr[ETH_ALEN]; - struct brcmf_event_msg_be emsg; - u8 data[0]; -}; - -/** - * struct brcmf_fweh_event_name - code, name mapping entry. - */ -struct brcmf_fweh_event_name { - enum brcmf_fweh_event_code code; - const char *name; -}; - -#ifdef DEBUG -#define BRCMF_ENUM_DEF(id, val) \ - { val, #id }, - -/* array for mapping code to event name */ -static struct brcmf_fweh_event_name fweh_event_names[] = { - BRCMF_FWEH_EVENT_ENUM_DEFLIST -}; -#undef BRCMF_ENUM_DEF - -/** - * brcmf_fweh_event_name() - returns name for given event code. - * - * @code: code to lookup. - */ -static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code) -{ - int i; - for (i = 0; i < ARRAY_SIZE(fweh_event_names); i++) { - if (fweh_event_names[i].code == code) - return fweh_event_names[i].name; - } - return "unknown"; -} -#else -static const char *brcmf_fweh_event_name(enum brcmf_fweh_event_code code) -{ - return "nodebug"; -} -#endif - -/** - * brcmf_fweh_queue_event() - create and queue event. - * - * @fweh: firmware event handling info. - * @event: event queue entry. - */ -static void brcmf_fweh_queue_event(struct brcmf_fweh_info *fweh, - struct brcmf_fweh_queue_item *event) -{ - ulong flags; - - spin_lock_irqsave(&fweh->evt_q_lock, flags); - list_add_tail(&event->q, &fweh->event_q); - spin_unlock_irqrestore(&fweh->evt_q_lock, flags); - schedule_work(&fweh->event_work); -} - -static int brcmf_fweh_call_event_handler(struct brcmf_if *ifp, - enum brcmf_fweh_event_code code, - struct brcmf_event_msg *emsg, - void *data) -{ - struct brcmf_fweh_info *fweh; - int err = -EINVAL; - - if (ifp) { - fweh = &ifp->drvr->fweh; - - /* handle the event if valid interface and handler */ - if (fweh->evt_handler[code]) - err = fweh->evt_handler[code](ifp, emsg, data); - else - brcmf_err("unhandled event %d ignored\n", code); - } else { - brcmf_err("no interface object\n"); - } - return err; -} - -/** - * brcmf_fweh_handle_if_event() - handle IF event. - * - * @drvr: driver information object. - * @item: queue entry. - * @ifpp: interface object (may change upon ADD action). - */ -static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, - struct brcmf_event_msg *emsg, - void *data) -{ - struct brcmf_if_event *ifevent = data; - struct brcmf_if *ifp; - bool is_p2pdev; - int err = 0; - - brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n", - ifevent->action, ifevent->ifidx, ifevent->bssidx, - ifevent->flags, ifevent->role); - - /* The P2P Device interface event must not be ignored contrary to what - * firmware tells us. Older firmware uses p2p noif, with sta role. - * This should be accepted when p2pdev_setup is ongoing. TDLS setup will - * use the same ifevent and should be ignored. - */ - is_p2pdev = ((ifevent->flags & BRCMF_E_IF_FLAG_NOIF) && - (ifevent->role == BRCMF_E_IF_ROLE_P2P_CLIENT || - ((ifevent->role == BRCMF_E_IF_ROLE_STA) && - (drvr->fweh.p2pdev_setup_ongoing)))); - if (!is_p2pdev && (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) { - brcmf_dbg(EVENT, "event can be ignored\n"); - return; - } - if (ifevent->ifidx >= BRCMF_MAX_IFS) { - brcmf_err("invalid interface index: %u\n", ifevent->ifidx); - return; - } - - ifp = drvr->iflist[ifevent->bssidx]; - - if (ifevent->action == BRCMF_E_IF_ADD) { - brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname, - emsg->addr); - ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx, - is_p2pdev, emsg->ifname, emsg->addr); - if (IS_ERR(ifp)) - return; - if (!is_p2pdev) - brcmf_fws_add_interface(ifp); - if (!drvr->fweh.evt_handler[BRCMF_E_IF]) - if (brcmf_net_attach(ifp, false) < 0) - return; - } - - if (ifp && ifevent->action == BRCMF_E_IF_CHANGE) - brcmf_fws_reset_interface(ifp); - - err = brcmf_fweh_call_event_handler(ifp, emsg->event_code, emsg, data); - - if (ifp && ifevent->action == BRCMF_E_IF_DEL) - brcmf_remove_interface(ifp); -} - -/** - * brcmf_fweh_dequeue_event() - get event from the queue. - * - * @fweh: firmware event handling info. - */ -static struct brcmf_fweh_queue_item * -brcmf_fweh_dequeue_event(struct brcmf_fweh_info *fweh) -{ - struct brcmf_fweh_queue_item *event = NULL; - ulong flags; - - spin_lock_irqsave(&fweh->evt_q_lock, flags); - if (!list_empty(&fweh->event_q)) { - event = list_first_entry(&fweh->event_q, - struct brcmf_fweh_queue_item, q); - list_del(&event->q); - } - spin_unlock_irqrestore(&fweh->evt_q_lock, flags); - - return event; -} - -/** - * brcmf_fweh_event_worker() - firmware event worker. - * - * @work: worker object. - */ -static void brcmf_fweh_event_worker(struct work_struct *work) -{ - struct brcmf_pub *drvr; - struct brcmf_if *ifp; - struct brcmf_fweh_info *fweh; - struct brcmf_fweh_queue_item *event; - int err = 0; - struct brcmf_event_msg_be *emsg_be; - struct brcmf_event_msg emsg; - - fweh = container_of(work, struct brcmf_fweh_info, event_work); - drvr = container_of(fweh, struct brcmf_pub, fweh); - - while ((event = brcmf_fweh_dequeue_event(fweh))) { - brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n", - brcmf_fweh_event_name(event->code), event->code, - event->emsg.ifidx, event->emsg.bsscfgidx, - event->emsg.addr); - - /* convert event message */ - emsg_be = &event->emsg; - emsg.version = be16_to_cpu(emsg_be->version); - emsg.flags = be16_to_cpu(emsg_be->flags); - emsg.event_code = event->code; - emsg.status = be32_to_cpu(emsg_be->status); - emsg.reason = be32_to_cpu(emsg_be->reason); - emsg.auth_type = be32_to_cpu(emsg_be->auth_type); - emsg.datalen = be32_to_cpu(emsg_be->datalen); - memcpy(emsg.addr, emsg_be->addr, ETH_ALEN); - memcpy(emsg.ifname, emsg_be->ifname, sizeof(emsg.ifname)); - emsg.ifidx = emsg_be->ifidx; - emsg.bsscfgidx = emsg_be->bsscfgidx; - - brcmf_dbg(EVENT, " version %u flags %u status %u reason %u\n", - emsg.version, emsg.flags, emsg.status, emsg.reason); - brcmf_dbg_hex_dump(BRCMF_EVENT_ON(), event->data, - min_t(u32, emsg.datalen, 64), - "event payload, len=%d\n", emsg.datalen); - - /* special handling of interface event */ - if (event->code == BRCMF_E_IF) { - brcmf_fweh_handle_if_event(drvr, &emsg, event->data); - goto event_free; - } - - if (event->code == BRCMF_E_TDLS_PEER_EVENT) - ifp = drvr->iflist[0]; - else - ifp = drvr->iflist[emsg.bsscfgidx]; - err = brcmf_fweh_call_event_handler(ifp, event->code, &emsg, - event->data); - if (err) { - brcmf_err("event handler failed (%d)\n", - event->code); - err = 0; - } -event_free: - kfree(event); - } -} - -/** - * brcmf_fweh_p2pdev_setup() - P2P device setup ongoing (or not). - * - * @ifp: ifp on which setup is taking place or finished. - * @ongoing: p2p device setup in progress (or not). - */ -void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing) -{ - ifp->drvr->fweh.p2pdev_setup_ongoing = ongoing; -} - -/** - * brcmf_fweh_attach() - initialize firmware event handling. - * - * @drvr: driver information object. - */ -void brcmf_fweh_attach(struct brcmf_pub *drvr) -{ - struct brcmf_fweh_info *fweh = &drvr->fweh; - INIT_WORK(&fweh->event_work, brcmf_fweh_event_worker); - spin_lock_init(&fweh->evt_q_lock); - INIT_LIST_HEAD(&fweh->event_q); -} - -/** - * brcmf_fweh_detach() - cleanup firmware event handling. - * - * @drvr: driver information object. - */ -void brcmf_fweh_detach(struct brcmf_pub *drvr) -{ - struct brcmf_fweh_info *fweh = &drvr->fweh; - struct brcmf_if *ifp = brcmf_get_ifp(drvr, 0); - s8 eventmask[BRCMF_EVENTING_MASK_LEN]; - - if (ifp) { - /* clear all events */ - memset(eventmask, 0, BRCMF_EVENTING_MASK_LEN); - (void)brcmf_fil_iovar_data_set(ifp, "event_msgs", - eventmask, - BRCMF_EVENTING_MASK_LEN); - } - /* cancel the worker */ - cancel_work_sync(&fweh->event_work); - WARN_ON(!list_empty(&fweh->event_q)); - memset(fweh->evt_handler, 0, sizeof(fweh->evt_handler)); -} - -/** - * brcmf_fweh_register() - register handler for given event code. - * - * @drvr: driver information object. - * @code: event code. - * @handler: handler for the given event code. - */ -int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, - brcmf_fweh_handler_t handler) -{ - if (drvr->fweh.evt_handler[code]) { - brcmf_err("event code %d already registered\n", code); - return -ENOSPC; - } - drvr->fweh.evt_handler[code] = handler; - brcmf_dbg(TRACE, "event handler registered for %s\n", - brcmf_fweh_event_name(code)); - return 0; -} - -/** - * brcmf_fweh_unregister() - remove handler for given code. - * - * @drvr: driver information object. - * @code: event code. - */ -void brcmf_fweh_unregister(struct brcmf_pub *drvr, - enum brcmf_fweh_event_code code) -{ - brcmf_dbg(TRACE, "event handler cleared for %s\n", - brcmf_fweh_event_name(code)); - drvr->fweh.evt_handler[code] = NULL; -} - -/** - * brcmf_fweh_activate_events() - enables firmware events registered. - * - * @ifp: primary interface object. - */ -int brcmf_fweh_activate_events(struct brcmf_if *ifp) -{ - int i, err; - s8 eventmask[BRCMF_EVENTING_MASK_LEN]; - - for (i = 0; i < BRCMF_E_LAST; i++) { - if (ifp->drvr->fweh.evt_handler[i]) { - brcmf_dbg(EVENT, "enable event %s\n", - brcmf_fweh_event_name(i)); - setbit(eventmask, i); - } - } - - /* want to handle IF event as well */ - brcmf_dbg(EVENT, "enable event IF\n"); - setbit(eventmask, BRCMF_E_IF); - - err = brcmf_fil_iovar_data_set(ifp, "event_msgs", - eventmask, BRCMF_EVENTING_MASK_LEN); - if (err) - brcmf_err("Set event_msgs error (%d)\n", err); - - return err; -} - -/** - * brcmf_fweh_process_event() - process skb as firmware event. - * - * @drvr: driver information object. - * @event_packet: event packet to process. - * - * If the packet buffer contains a firmware event message it will - * dispatch the event to a registered handler (using worker). - */ -void brcmf_fweh_process_event(struct brcmf_pub *drvr, - struct brcmf_event *event_packet) -{ - enum brcmf_fweh_event_code code; - struct brcmf_fweh_info *fweh = &drvr->fweh; - struct brcmf_fweh_queue_item *event; - gfp_t alloc_flag = GFP_KERNEL; - void *data; - u32 datalen; - - /* get event info */ - code = get_unaligned_be32(&event_packet->msg.event_type); - datalen = get_unaligned_be32(&event_packet->msg.datalen); - data = &event_packet[1]; - - if (code >= BRCMF_E_LAST) - return; - - if (code != BRCMF_E_IF && !fweh->evt_handler[code]) - return; - - if (in_interrupt()) - alloc_flag = GFP_ATOMIC; - - event = kzalloc(sizeof(*event) + datalen, alloc_flag); - if (!event) - return; - - event->code = code; - event->ifidx = event_packet->msg.ifidx; - - /* use memcpy to get aligned event message */ - memcpy(&event->emsg, &event_packet->msg, sizeof(event->emsg)); - memcpy(event->data, data, datalen); - memcpy(event->ifaddr, event_packet->eth.h_dest, ETH_ALEN); - - brcmf_fweh_queue_event(fweh, event); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/brcm80211/brcmfmac/fweh.h deleted file mode 100644 index d9a942842382..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.h +++ /dev/null @@ -1,289 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - -#ifndef FWEH_H_ -#define FWEH_H_ - -#include <asm/unaligned.h> -#include <linux/skbuff.h> -#include <linux/if_ether.h> -#include <linux/if.h> - -/* formward declarations */ -struct brcmf_pub; -struct brcmf_if; -struct brcmf_cfg80211_info; -struct brcmf_event; - -/* list of firmware events */ -#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \ - BRCMF_ENUM_DEF(SET_SSID, 0) \ - BRCMF_ENUM_DEF(JOIN, 1) \ - BRCMF_ENUM_DEF(START, 2) \ - BRCMF_ENUM_DEF(AUTH, 3) \ - BRCMF_ENUM_DEF(AUTH_IND, 4) \ - BRCMF_ENUM_DEF(DEAUTH, 5) \ - BRCMF_ENUM_DEF(DEAUTH_IND, 6) \ - BRCMF_ENUM_DEF(ASSOC, 7) \ - BRCMF_ENUM_DEF(ASSOC_IND, 8) \ - BRCMF_ENUM_DEF(REASSOC, 9) \ - BRCMF_ENUM_DEF(REASSOC_IND, 10) \ - BRCMF_ENUM_DEF(DISASSOC, 11) \ - BRCMF_ENUM_DEF(DISASSOC_IND, 12) \ - BRCMF_ENUM_DEF(QUIET_START, 13) \ - BRCMF_ENUM_DEF(QUIET_END, 14) \ - BRCMF_ENUM_DEF(BEACON_RX, 15) \ - BRCMF_ENUM_DEF(LINK, 16) \ - BRCMF_ENUM_DEF(MIC_ERROR, 17) \ - BRCMF_ENUM_DEF(NDIS_LINK, 18) \ - BRCMF_ENUM_DEF(ROAM, 19) \ - BRCMF_ENUM_DEF(TXFAIL, 20) \ - BRCMF_ENUM_DEF(PMKID_CACHE, 21) \ - BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \ - BRCMF_ENUM_DEF(PRUNE, 23) \ - BRCMF_ENUM_DEF(AUTOAUTH, 24) \ - BRCMF_ENUM_DEF(EAPOL_MSG, 25) \ - BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \ - BRCMF_ENUM_DEF(ADDTS_IND, 27) \ - BRCMF_ENUM_DEF(DELTS_IND, 28) \ - BRCMF_ENUM_DEF(BCNSENT_IND, 29) \ - BRCMF_ENUM_DEF(BCNRX_MSG, 30) \ - BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \ - BRCMF_ENUM_DEF(ROAM_PREP, 32) \ - BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \ - BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \ - BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \ - BRCMF_ENUM_DEF(JOIN_START, 36) \ - BRCMF_ENUM_DEF(ROAM_START, 37) \ - BRCMF_ENUM_DEF(ASSOC_START, 38) \ - BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \ - BRCMF_ENUM_DEF(RADIO, 40) \ - BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \ - BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \ - BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \ - BRCMF_ENUM_DEF(PSK_SUP, 46) \ - BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \ - BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \ - BRCMF_ENUM_DEF(ICV_ERROR, 49) \ - BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \ - BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \ - BRCMF_ENUM_DEF(TRACE, 52) \ - BRCMF_ENUM_DEF(IF, 54) \ - BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \ - BRCMF_ENUM_DEF(RSSI, 56) \ - BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \ - BRCMF_ENUM_DEF(ACTION_FRAME, 59) \ - BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \ - BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \ - BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \ - BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \ - BRCMF_ENUM_DEF(AP_STARTED, 64) \ - BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \ - BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \ - BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \ - BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \ - BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \ - BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \ - BRCMF_ENUM_DEF(DCS_REQUEST, 73) \ - BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \ - BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \ - BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \ - BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127) - -#define BRCMF_ENUM_DEF(id, val) \ - BRCMF_E_##id = (val), - -/* firmware event codes sent by the dongle */ -enum brcmf_fweh_event_code { - BRCMF_FWEH_EVENT_ENUM_DEFLIST - /* this determines event mask length which must match - * minimum length check in device firmware so it is - * hard-coded here. - */ - BRCMF_E_LAST = 139 -}; -#undef BRCMF_ENUM_DEF - -#define BRCMF_EVENTING_MASK_LEN DIV_ROUND_UP(BRCMF_E_LAST, 8) - -/* flags field values in struct brcmf_event_msg */ -#define BRCMF_EVENT_MSG_LINK 0x01 -#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02 -#define BRCMF_EVENT_MSG_GROUP 0x04 - -/* status field values in struct brcmf_event_msg */ -#define BRCMF_E_STATUS_SUCCESS 0 -#define BRCMF_E_STATUS_FAIL 1 -#define BRCMF_E_STATUS_TIMEOUT 2 -#define BRCMF_E_STATUS_NO_NETWORKS 3 -#define BRCMF_E_STATUS_ABORT 4 -#define BRCMF_E_STATUS_NO_ACK 5 -#define BRCMF_E_STATUS_UNSOLICITED 6 -#define BRCMF_E_STATUS_ATTEMPT 7 -#define BRCMF_E_STATUS_PARTIAL 8 -#define BRCMF_E_STATUS_NEWSCAN 9 -#define BRCMF_E_STATUS_NEWASSOC 10 -#define BRCMF_E_STATUS_11HQUIET 11 -#define BRCMF_E_STATUS_SUPPRESS 12 -#define BRCMF_E_STATUS_NOCHANS 13 -#define BRCMF_E_STATUS_CS_ABORT 15 -#define BRCMF_E_STATUS_ERROR 16 - -/* reason field values in struct brcmf_event_msg */ -#define BRCMF_E_REASON_INITIAL_ASSOC 0 -#define BRCMF_E_REASON_LOW_RSSI 1 -#define BRCMF_E_REASON_DEAUTH 2 -#define BRCMF_E_REASON_DISASSOC 3 -#define BRCMF_E_REASON_BCNS_LOST 4 -#define BRCMF_E_REASON_MINTXRATE 9 -#define BRCMF_E_REASON_TXFAIL 10 - -#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4 -#define BRCMF_E_REASON_FAST_ROAM_FAILED 5 -#define BRCMF_E_REASON_DIRECTED_ROAM 6 -#define BRCMF_E_REASON_TSPEC_REJECTED 7 -#define BRCMF_E_REASON_BETTER_AP 8 - -#define BRCMF_E_REASON_TDLS_PEER_DISCOVERED 0 -#define BRCMF_E_REASON_TDLS_PEER_CONNECTED 1 -#define BRCMF_E_REASON_TDLS_PEER_DISCONNECTED 2 - -/* action field values for brcmf_ifevent */ -#define BRCMF_E_IF_ADD 1 -#define BRCMF_E_IF_DEL 2 -#define BRCMF_E_IF_CHANGE 3 - -/* flag field values for brcmf_ifevent */ -#define BRCMF_E_IF_FLAG_NOIF 1 - -/* role field values for brcmf_ifevent */ -#define BRCMF_E_IF_ROLE_STA 0 -#define BRCMF_E_IF_ROLE_AP 1 -#define BRCMF_E_IF_ROLE_WDS 2 -#define BRCMF_E_IF_ROLE_P2P_GO 3 -#define BRCMF_E_IF_ROLE_P2P_CLIENT 4 - -/** - * definitions for event packet validation. - */ -#define BRCMF_EVENT_OUI_OFFSET 19 -#define BRCM_OUI "\x00\x10\x18" -#define DOT11_OUI_LEN 3 -#define BCMILCP_BCM_SUBTYPE_EVENT 1 - - -/** - * struct brcmf_event_msg - firmware event message. - * - * @version: version information. - * @flags: event flags. - * @event_code: firmware event code. - * @status: status information. - * @reason: reason code. - * @auth_type: authentication type. - * @datalen: lenght of event data buffer. - * @addr: ether address. - * @ifname: interface name. - * @ifidx: interface index. - * @bsscfgidx: bsscfg index. - */ -struct brcmf_event_msg { - u16 version; - u16 flags; - u32 event_code; - u32 status; - u32 reason; - s32 auth_type; - u32 datalen; - u8 addr[ETH_ALEN]; - char ifname[IFNAMSIZ]; - u8 ifidx; - u8 bsscfgidx; -}; - -struct brcmf_if_event { - u8 ifidx; - u8 action; - u8 flags; - u8 bssidx; - u8 role; -}; - -typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp, - const struct brcmf_event_msg *evtmsg, - void *data); - -/** - * struct brcmf_fweh_info - firmware event handling information. - * - * @p2pdev_setup_ongoing: P2P device creation in progress. - * @event_work: event worker. - * @evt_q_lock: lock for event queue protection. - * @event_q: event queue. - * @evt_handler: registered event handlers. - */ -struct brcmf_fweh_info { - bool p2pdev_setup_ongoing; - struct work_struct event_work; - spinlock_t evt_q_lock; - struct list_head event_q; - int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp, - const struct brcmf_event_msg *evtmsg, - void *data); -}; - -void brcmf_fweh_attach(struct brcmf_pub *drvr); -void brcmf_fweh_detach(struct brcmf_pub *drvr); -int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, - int (*handler)(struct brcmf_if *ifp, - const struct brcmf_event_msg *evtmsg, - void *data)); -void brcmf_fweh_unregister(struct brcmf_pub *drvr, - enum brcmf_fweh_event_code code); -int brcmf_fweh_activate_events(struct brcmf_if *ifp); -void brcmf_fweh_process_event(struct brcmf_pub *drvr, - struct brcmf_event *event_packet); -void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing); - -static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, - struct sk_buff *skb) -{ - struct brcmf_event *event_packet; - u8 *data; - u16 usr_stype; - - /* only process events when protocol matches */ - if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL)) - return; - - /* check for BRCM oui match */ - event_packet = (struct brcmf_event *)skb_mac_header(skb); - data = (u8 *)event_packet; - data += BRCMF_EVENT_OUI_OFFSET; - if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN)) - return; - - /* final match on usr_subtype */ - data += DOT11_OUI_LEN; - usr_stype = get_unaligned_be16(data); - if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT) - return; - - brcmf_fweh_process_event(drvr, event_packet); -} - -#endif /* FWEH_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c deleted file mode 100644 index dcfa0bb149ce..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c +++ /dev/null @@ -1,420 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/* FWIL is the Firmware Interface Layer. In this module the support functions - * are located to set and get variables to and from the firmware. - */ - -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> -#include "core.h" -#include "bus.h" -#include "debug.h" -#include "tracepoint.h" -#include "fwil.h" -#include "proto.h" - - -#define MAX_HEX_DUMP_LEN 64 - -#ifdef DEBUG -static const char * const brcmf_fil_errstr[] = { - "BCME_OK", - "BCME_ERROR", - "BCME_BADARG", - "BCME_BADOPTION", - "BCME_NOTUP", - "BCME_NOTDOWN", - "BCME_NOTAP", - "BCME_NOTSTA", - "BCME_BADKEYIDX", - "BCME_RADIOOFF", - "BCME_NOTBANDLOCKED", - "BCME_NOCLK", - "BCME_BADRATESET", - "BCME_BADBAND", - "BCME_BUFTOOSHORT", - "BCME_BUFTOOLONG", - "BCME_BUSY", - "BCME_NOTASSOCIATED", - "BCME_BADSSIDLEN", - "BCME_OUTOFRANGECHAN", - "BCME_BADCHAN", - "BCME_BADADDR", - "BCME_NORESOURCE", - "BCME_UNSUPPORTED", - "BCME_BADLEN", - "BCME_NOTREADY", - "BCME_EPERM", - "BCME_NOMEM", - "BCME_ASSOCIATED", - "BCME_RANGE", - "BCME_NOTFOUND", - "BCME_WME_NOT_ENABLED", - "BCME_TSPEC_NOTFOUND", - "BCME_ACM_NOTSUPPORTED", - "BCME_NOT_WME_ASSOCIATION", - "BCME_SDIO_ERROR", - "BCME_DONGLE_DOWN", - "BCME_VERSION", - "BCME_TXFAIL", - "BCME_RXFAIL", - "BCME_NODEVICE", - "BCME_NMODE_DISABLED", - "BCME_NONRESIDENT", - "BCME_SCANREJECT", - "BCME_USAGE_ERROR", - "BCME_IOCTL_ERROR", - "BCME_SERIAL_PORT_ERR", - "BCME_DISABLED", - "BCME_DECERR", - "BCME_ENCERR", - "BCME_MICERR", - "BCME_REPLAY", - "BCME_IE_NOTFOUND", -}; - -static const char *brcmf_fil_get_errstr(u32 err) -{ - if (err >= ARRAY_SIZE(brcmf_fil_errstr)) - return "(unknown)"; - - return brcmf_fil_errstr[err]; -} -#else -static const char *brcmf_fil_get_errstr(u32 err) -{ - return ""; -} -#endif /* DEBUG */ - -static s32 -brcmf_fil_cmd_data(struct brcmf_if *ifp, u32 cmd, void *data, u32 len, bool set) -{ - struct brcmf_pub *drvr = ifp->drvr; - s32 err; - - if (drvr->bus_if->state != BRCMF_BUS_UP) { - brcmf_err("bus is down. we have nothing to do.\n"); - return -EIO; - } - - if (data != NULL) - len = min_t(uint, len, BRCMF_DCMD_MAXLEN); - if (set) - err = brcmf_proto_set_dcmd(drvr, ifp->ifidx, cmd, data, len); - else - err = brcmf_proto_query_dcmd(drvr, ifp->ifidx, cmd, data, len); - - if (err >= 0) - return 0; - - brcmf_dbg(FIL, "Failed: %s (%d)\n", - brcmf_fil_get_errstr((u32)(-err)), err); - return -EBADE; -} - -s32 -brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len) -{ - s32 err; - - mutex_lock(&ifp->drvr->proto_block); - - brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d\n", ifp->ifidx, cmd, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - err = brcmf_fil_cmd_data(ifp, cmd, data, len, true); - mutex_unlock(&ifp->drvr->proto_block); - - return err; -} - -s32 -brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len) -{ - s32 err; - - mutex_lock(&ifp->drvr->proto_block); - err = brcmf_fil_cmd_data(ifp, cmd, data, len, false); - - brcmf_dbg(FIL, "ifidx=%d, cmd=%d, len=%d\n", ifp->ifidx, cmd, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - mutex_unlock(&ifp->drvr->proto_block); - - return err; -} - - -s32 -brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data) -{ - s32 err; - __le32 data_le = cpu_to_le32(data); - - mutex_lock(&ifp->drvr->proto_block); - brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, data); - err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), true); - mutex_unlock(&ifp->drvr->proto_block); - - return err; -} - -s32 -brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data) -{ - s32 err; - __le32 data_le = cpu_to_le32(*data); - - mutex_lock(&ifp->drvr->proto_block); - err = brcmf_fil_cmd_data(ifp, cmd, &data_le, sizeof(data_le), false); - mutex_unlock(&ifp->drvr->proto_block); - *data = le32_to_cpu(data_le); - brcmf_dbg(FIL, "ifidx=%d, cmd=%d, value=%d\n", ifp->ifidx, cmd, *data); - - return err; -} - -static u32 -brcmf_create_iovar(char *name, const char *data, u32 datalen, - char *buf, u32 buflen) -{ - u32 len; - - len = strlen(name) + 1; - - if ((len + datalen) > buflen) - return 0; - - memcpy(buf, name, len); - - /* append data onto the end of the name string */ - if (data && datalen) - memcpy(&buf[len], data, datalen); - - return len + datalen; -} - - -s32 -brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, - u32 len) -{ - struct brcmf_pub *drvr = ifp->drvr; - s32 err; - u32 buflen; - - mutex_lock(&drvr->proto_block); - - brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d\n", ifp->ifidx, name, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf, - sizeof(drvr->proto_buf)); - if (buflen) { - err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf, - buflen, true); - } else { - err = -EPERM; - brcmf_err("Creating iovar failed\n"); - } - - mutex_unlock(&drvr->proto_block); - return err; -} - -s32 -brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, - u32 len) -{ - struct brcmf_pub *drvr = ifp->drvr; - s32 err; - u32 buflen; - - mutex_lock(&drvr->proto_block); - - buflen = brcmf_create_iovar(name, data, len, drvr->proto_buf, - sizeof(drvr->proto_buf)); - if (buflen) { - err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf, - buflen, false); - if (err == 0) - memcpy(data, drvr->proto_buf, len); - } else { - err = -EPERM; - brcmf_err("Creating iovar failed\n"); - } - - brcmf_dbg(FIL, "ifidx=%d, name=%s, len=%d\n", ifp->ifidx, name, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - mutex_unlock(&drvr->proto_block); - return err; -} - -s32 -brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data) -{ - __le32 data_le = cpu_to_le32(data); - - return brcmf_fil_iovar_data_set(ifp, name, &data_le, sizeof(data_le)); -} - -s32 -brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data) -{ - __le32 data_le = cpu_to_le32(*data); - s32 err; - - err = brcmf_fil_iovar_data_get(ifp, name, &data_le, sizeof(data_le)); - if (err == 0) - *data = le32_to_cpu(data_le); - return err; -} - -static u32 -brcmf_create_bsscfg(s32 bssidx, char *name, char *data, u32 datalen, char *buf, - u32 buflen) -{ - const s8 *prefix = "bsscfg:"; - s8 *p; - u32 prefixlen; - u32 namelen; - u32 iolen; - __le32 bssidx_le; - - if (bssidx == 0) - return brcmf_create_iovar(name, data, datalen, buf, buflen); - - prefixlen = strlen(prefix); - namelen = strlen(name) + 1; /* lengh of iovar name + null */ - iolen = prefixlen + namelen + sizeof(bssidx_le) + datalen; - - if (buflen < iolen) { - brcmf_err("buffer is too short\n"); - return 0; - } - - p = buf; - - /* copy prefix, no null */ - memcpy(p, prefix, prefixlen); - p += prefixlen; - - /* copy iovar name including null */ - memcpy(p, name, namelen); - p += namelen; - - /* bss config index as first data */ - bssidx_le = cpu_to_le32(bssidx); - memcpy(p, &bssidx_le, sizeof(bssidx_le)); - p += sizeof(bssidx_le); - - /* parameter buffer follows */ - if (datalen) - memcpy(p, data, datalen); - - return iolen; -} - -s32 -brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, - void *data, u32 len) -{ - struct brcmf_pub *drvr = ifp->drvr; - s32 err; - u32 buflen; - - mutex_lock(&drvr->proto_block); - - brcmf_dbg(FIL, "ifidx=%d, bssidx=%d, name=%s, len=%d\n", ifp->ifidx, - ifp->bssidx, name, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len, - drvr->proto_buf, sizeof(drvr->proto_buf)); - if (buflen) { - err = brcmf_fil_cmd_data(ifp, BRCMF_C_SET_VAR, drvr->proto_buf, - buflen, true); - } else { - err = -EPERM; - brcmf_err("Creating bsscfg failed\n"); - } - - mutex_unlock(&drvr->proto_block); - return err; -} - -s32 -brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, - void *data, u32 len) -{ - struct brcmf_pub *drvr = ifp->drvr; - s32 err; - u32 buflen; - - mutex_lock(&drvr->proto_block); - - buflen = brcmf_create_bsscfg(ifp->bssidx, name, data, len, - drvr->proto_buf, sizeof(drvr->proto_buf)); - if (buflen) { - err = brcmf_fil_cmd_data(ifp, BRCMF_C_GET_VAR, drvr->proto_buf, - buflen, false); - if (err == 0) - memcpy(data, drvr->proto_buf, len); - } else { - err = -EPERM; - brcmf_err("Creating bsscfg failed\n"); - } - brcmf_dbg(FIL, "ifidx=%d, bssidx=%d, name=%s, len=%d\n", ifp->ifidx, - ifp->bssidx, name, len); - brcmf_dbg_hex_dump(BRCMF_FIL_ON(), data, - min_t(uint, len, MAX_HEX_DUMP_LEN), "data\n"); - - mutex_unlock(&drvr->proto_block); - return err; - -} - -s32 -brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data) -{ - __le32 data_le = cpu_to_le32(data); - - return brcmf_fil_bsscfg_data_set(ifp, name, &data_le, - sizeof(data_le)); -} - -s32 -brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data) -{ - __le32 data_le = cpu_to_le32(*data); - s32 err; - - err = brcmf_fil_bsscfg_data_get(ifp, name, &data_le, - sizeof(data_le)); - if (err == 0) - *data = le32_to_cpu(data_le); - return err; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil.h deleted file mode 100644 index b20fc0f82a48..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _fwil_h_ -#define _fwil_h_ - -/******************************************************************************* - * Dongle command codes that are interpreted by firmware - ******************************************************************************/ -#define BRCMF_C_GET_VERSION 1 -#define BRCMF_C_UP 2 -#define BRCMF_C_DOWN 3 -#define BRCMF_C_SET_PROMISC 10 -#define BRCMF_C_GET_RATE 12 -#define BRCMF_C_GET_INFRA 19 -#define BRCMF_C_SET_INFRA 20 -#define BRCMF_C_GET_AUTH 21 -#define BRCMF_C_SET_AUTH 22 -#define BRCMF_C_GET_BSSID 23 -#define BRCMF_C_GET_SSID 25 -#define BRCMF_C_SET_SSID 26 -#define BRCMF_C_TERMINATED 28 -#define BRCMF_C_GET_CHANNEL 29 -#define BRCMF_C_SET_CHANNEL 30 -#define BRCMF_C_GET_SRL 31 -#define BRCMF_C_SET_SRL 32 -#define BRCMF_C_GET_LRL 33 -#define BRCMF_C_SET_LRL 34 -#define BRCMF_C_GET_RADIO 37 -#define BRCMF_C_SET_RADIO 38 -#define BRCMF_C_GET_PHYTYPE 39 -#define BRCMF_C_SET_KEY 45 -#define BRCMF_C_GET_REGULATORY 46 -#define BRCMF_C_SET_REGULATORY 47 -#define BRCMF_C_SET_PASSIVE_SCAN 49 -#define BRCMF_C_SCAN 50 -#define BRCMF_C_SCAN_RESULTS 51 -#define BRCMF_C_DISASSOC 52 -#define BRCMF_C_REASSOC 53 -#define BRCMF_C_SET_ROAM_TRIGGER 55 -#define BRCMF_C_SET_ROAM_DELTA 57 -#define BRCMF_C_GET_BCNPRD 75 -#define BRCMF_C_SET_BCNPRD 76 -#define BRCMF_C_GET_DTIMPRD 77 -#define BRCMF_C_SET_DTIMPRD 78 -#define BRCMF_C_SET_COUNTRY 84 -#define BRCMF_C_GET_PM 85 -#define BRCMF_C_SET_PM 86 -#define BRCMF_C_GET_REVINFO 98 -#define BRCMF_C_GET_CURR_RATESET 114 -#define BRCMF_C_GET_AP 117 -#define BRCMF_C_SET_AP 118 -#define BRCMF_C_SET_SCB_AUTHORIZE 121 -#define BRCMF_C_SET_SCB_DEAUTHORIZE 122 -#define BRCMF_C_GET_RSSI 127 -#define BRCMF_C_GET_WSEC 133 -#define BRCMF_C_SET_WSEC 134 -#define BRCMF_C_GET_PHY_NOISE 135 -#define BRCMF_C_GET_BSS_INFO 136 -#define BRCMF_C_GET_BANDLIST 140 -#define BRCMF_C_SET_SCB_TIMEOUT 158 -#define BRCMF_C_GET_ASSOCLIST 159 -#define BRCMF_C_GET_PHYLIST 180 -#define BRCMF_C_SET_SCAN_CHANNEL_TIME 185 -#define BRCMF_C_SET_SCAN_UNASSOC_TIME 187 -#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON 201 -#define BRCMF_C_GET_VALID_CHANNELS 217 -#define BRCMF_C_GET_KEY_PRIMARY 235 -#define BRCMF_C_SET_KEY_PRIMARY 236 -#define BRCMF_C_SET_SCAN_PASSIVE_TIME 258 -#define BRCMF_C_GET_VAR 262 -#define BRCMF_C_SET_VAR 263 - -s32 brcmf_fil_cmd_data_set(struct brcmf_if *ifp, u32 cmd, void *data, u32 len); -s32 brcmf_fil_cmd_data_get(struct brcmf_if *ifp, u32 cmd, void *data, u32 len); -s32 brcmf_fil_cmd_int_set(struct brcmf_if *ifp, u32 cmd, u32 data); -s32 brcmf_fil_cmd_int_get(struct brcmf_if *ifp, u32 cmd, u32 *data); - -s32 brcmf_fil_iovar_data_set(struct brcmf_if *ifp, char *name, const void *data, - u32 len); -s32 brcmf_fil_iovar_data_get(struct brcmf_if *ifp, char *name, void *data, - u32 len); -s32 brcmf_fil_iovar_int_set(struct brcmf_if *ifp, char *name, u32 data); -s32 brcmf_fil_iovar_int_get(struct brcmf_if *ifp, char *name, u32 *data); - -s32 brcmf_fil_bsscfg_data_set(struct brcmf_if *ifp, char *name, void *data, - u32 len); -s32 brcmf_fil_bsscfg_data_get(struct brcmf_if *ifp, char *name, void *data, - u32 len); -s32 brcmf_fil_bsscfg_int_set(struct brcmf_if *ifp, char *name, u32 data); -s32 brcmf_fil_bsscfg_int_get(struct brcmf_if *ifp, char *name, u32 *data); - -#endif /* _fwil_h_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h deleted file mode 100644 index daa427b46712..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h +++ /dev/null @@ -1,637 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - -#ifndef FWIL_TYPES_H_ -#define FWIL_TYPES_H_ - -#include <linux/if_ether.h> - - -#define BRCMF_FIL_ACTION_FRAME_SIZE 1800 - -/* ARP Offload feature flags for arp_ol iovar */ -#define BRCMF_ARP_OL_AGENT 0x00000001 -#define BRCMF_ARP_OL_SNOOP 0x00000002 -#define BRCMF_ARP_OL_HOST_AUTO_REPLY 0x00000004 -#define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008 - -#define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */ -#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0002 - -#define BRCMF_STA_WME 0x00000002 /* WMM association */ -#define BRCMF_STA_AUTHE 0x00000008 /* Authenticated */ -#define BRCMF_STA_ASSOC 0x00000010 /* Associated */ -#define BRCMF_STA_AUTHO 0x00000020 /* Authorized */ -#define BRCMF_STA_SCBSTATS 0x00004000 /* Per STA debug stats */ - -/* size of brcmf_scan_params not including variable length array */ -#define BRCMF_SCAN_PARAMS_FIXED_SIZE 64 - -/* masks for channel and ssid count */ -#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff -#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16 - -/* primary (ie tx) key */ -#define BRCMF_PRIMARY_KEY (1 << 1) -#define DOT11_BSSTYPE_ANY 2 -#define BRCMF_ESCAN_REQ_VERSION 1 - -#define BRCMF_MAXRATES_IN_SET 16 /* max # of rates in rateset */ - -/* OBSS Coex Auto/On/Off */ -#define BRCMF_OBSS_COEX_AUTO (-1) -#define BRCMF_OBSS_COEX_OFF 0 -#define BRCMF_OBSS_COEX_ON 1 - -/* WOWL bits */ -/* Wakeup on Magic packet: */ -#define BRCMF_WOWL_MAGIC (1 << 0) -/* Wakeup on Netpattern */ -#define BRCMF_WOWL_NET (1 << 1) -/* Wakeup on loss-of-link due to Disassoc/Deauth: */ -#define BRCMF_WOWL_DIS (1 << 2) -/* Wakeup on retrograde TSF: */ -#define BRCMF_WOWL_RETR (1 << 3) -/* Wakeup on loss of beacon: */ -#define BRCMF_WOWL_BCN (1 << 4) -/* Wakeup after test: */ -#define BRCMF_WOWL_TST (1 << 5) -/* Wakeup after PTK refresh: */ -#define BRCMF_WOWL_M1 (1 << 6) -/* Wakeup after receipt of EAP-Identity Req: */ -#define BRCMF_WOWL_EAPID (1 << 7) -/* Wakeind via PME(0) or GPIO(1): */ -#define BRCMF_WOWL_PME_GPIO (1 << 8) -/* need tkip phase 1 key to be updated by the driver: */ -#define BRCMF_WOWL_NEEDTKIP1 (1 << 9) -/* enable wakeup if GTK fails: */ -#define BRCMF_WOWL_GTK_FAILURE (1 << 10) -/* support extended magic packets: */ -#define BRCMF_WOWL_EXTMAGPAT (1 << 11) -/* support ARP/NS/keepalive offloading: */ -#define BRCMF_WOWL_ARPOFFLOAD (1 << 12) -/* read protocol version for EAPOL frames: */ -#define BRCMF_WOWL_WPA2 (1 << 13) -/* If the bit is set, use key rotaton: */ -#define BRCMF_WOWL_KEYROT (1 << 14) -/* If the bit is set, frm received was bcast frame: */ -#define BRCMF_WOWL_BCAST (1 << 15) -/* If the bit is set, scan offload is enabled: */ -#define BRCMF_WOWL_SCANOL (1 << 16) -/* Wakeup on tcpkeep alive timeout: */ -#define BRCMF_WOWL_TCPKEEP_TIME (1 << 17) -/* Wakeup on mDNS Conflict Resolution: */ -#define BRCMF_WOWL_MDNS_CONFLICT (1 << 18) -/* Wakeup on mDNS Service Connect: */ -#define BRCMF_WOWL_MDNS_SERVICE (1 << 19) -/* tcp keepalive got data: */ -#define BRCMF_WOWL_TCPKEEP_DATA (1 << 20) -/* Firmware died in wowl mode: */ -#define BRCMF_WOWL_FW_HALT (1 << 21) -/* Enable detection of radio button changes: */ -#define BRCMF_WOWL_ENAB_HWRADIO (1 << 22) -/* Offloads detected MIC failure(s): */ -#define BRCMF_WOWL_MIC_FAIL (1 << 23) -/* Wakeup in Unassociated state (Net/Magic Pattern): */ -#define BRCMF_WOWL_UNASSOC (1 << 24) -/* Wakeup if received matched secured pattern: */ -#define BRCMF_WOWL_SECURE (1 << 25) -/* Link Down indication in WoWL mode: */ -#define BRCMF_WOWL_LINKDOWN (1 << 31) - -#define BRCMF_WOWL_MAXPATTERNS 8 -#define BRCMF_WOWL_MAXPATTERNSIZE 128 - -#define BRCMF_COUNTRY_BUF_SZ 4 -#define BRCMF_ANT_MAX 4 - -#define BRCMF_MAX_ASSOCLIST 128 - -/* join preference types for join_pref iovar */ -enum brcmf_join_pref_types { - BRCMF_JOIN_PREF_RSSI = 1, - BRCMF_JOIN_PREF_WPA, - BRCMF_JOIN_PREF_BAND, - BRCMF_JOIN_PREF_RSSI_DELTA, -}; - -enum brcmf_fil_p2p_if_types { - BRCMF_FIL_P2P_IF_CLIENT, - BRCMF_FIL_P2P_IF_GO, - BRCMF_FIL_P2P_IF_DYNBCN_GO, - BRCMF_FIL_P2P_IF_DEV, -}; - -enum brcmf_wowl_pattern_type { - BRCMF_WOWL_PATTERN_TYPE_BITMAP = 0, - BRCMF_WOWL_PATTERN_TYPE_ARP, - BRCMF_WOWL_PATTERN_TYPE_NA -}; - -struct brcmf_fil_p2p_if_le { - u8 addr[ETH_ALEN]; - __le16 type; - __le16 chspec; -}; - -struct brcmf_fil_chan_info_le { - __le32 hw_channel; - __le32 target_channel; - __le32 scan_channel; -}; - -struct brcmf_fil_action_frame_le { - u8 da[ETH_ALEN]; - __le16 len; - __le32 packet_id; - u8 data[BRCMF_FIL_ACTION_FRAME_SIZE]; -}; - -struct brcmf_fil_af_params_le { - __le32 channel; - __le32 dwell_time; - u8 bssid[ETH_ALEN]; - u8 pad[2]; - struct brcmf_fil_action_frame_le action_frame; -}; - -struct brcmf_fil_bss_enable_le { - __le32 bsscfg_idx; - __le32 enable; -}; - -struct brcmf_fil_bwcap_le { - __le32 band; - __le32 bw_cap; -}; - -/** - * struct tdls_iovar - common structure for tdls iovars. - * - * @ea: ether address of peer station. - * @mode: mode value depending on specific tdls iovar. - * @chanspec: channel specification. - * @pad: unused (for future use). - */ -struct brcmf_tdls_iovar_le { - u8 ea[ETH_ALEN]; /* Station address */ - u8 mode; /* mode: depends on iovar */ - __le16 chanspec; - __le32 pad; /* future */ -}; - -enum brcmf_tdls_manual_ep_ops { - BRCMF_TDLS_MANUAL_EP_CREATE = 1, - BRCMF_TDLS_MANUAL_EP_DELETE = 3, - BRCMF_TDLS_MANUAL_EP_DISCOVERY = 6 -}; - -/* Pattern matching filter. Specifies an offset within received packets to - * start matching, the pattern to match, the size of the pattern, and a bitmask - * that indicates which bits within the pattern should be matched. - */ -struct brcmf_pkt_filter_pattern_le { - /* - * Offset within received packet to start pattern matching. - * Offset '0' is the first byte of the ethernet header. - */ - __le32 offset; - /* Size of the pattern. Bitmask must be the same size.*/ - __le32 size_bytes; - /* - * Variable length mask and pattern data. mask starts at offset 0. - * Pattern immediately follows mask. - */ - u8 mask_and_pattern[1]; -}; - -/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */ -struct brcmf_pkt_filter_le { - __le32 id; /* Unique filter id, specified by app. */ - __le32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */ - __le32 negate_match; /* Negate the result of filter matches */ - union { /* Filter definitions */ - struct brcmf_pkt_filter_pattern_le pattern; /* Filter pattern */ - } u; -}; - -/* IOVAR "pkt_filter_enable" parameter. */ -struct brcmf_pkt_filter_enable_le { - __le32 id; /* Unique filter id */ - __le32 enable; /* Enable/disable bool */ -}; - -/* BSS info structure - * Applications MUST CHECK ie_offset field and length field to access IEs and - * next bss_info structure in a vector (in struct brcmf_scan_results) - */ -struct brcmf_bss_info_le { - __le32 version; /* version field */ - __le32 length; /* byte length of data in this record, - * starting at version and including IEs - */ - u8 BSSID[ETH_ALEN]; - __le16 beacon_period; /* units are Kusec */ - __le16 capability; /* Capability information */ - u8 SSID_len; - u8 SSID[32]; - struct { - __le32 count; /* # rates in this set */ - u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */ - } rateset; /* supported rates */ - __le16 chanspec; /* chanspec for bss */ - __le16 atim_window; /* units are Kusec */ - u8 dtim_period; /* DTIM period */ - __le16 RSSI; /* receive signal strength (in dBm) */ - s8 phy_noise; /* noise (in dBm) */ - - u8 n_cap; /* BSS is 802.11N Capable */ - /* 802.11N BSS Capabilities (based on HT_CAP_*): */ - __le32 nbss_cap; - u8 ctl_ch; /* 802.11N BSS control channel number */ - __le32 reserved32[1]; /* Reserved for expansion of BSS properties */ - u8 flags; /* flags */ - u8 reserved[3]; /* Reserved for expansion of BSS properties */ - u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */ - - __le16 ie_offset; /* offset at which IEs start, from beginning */ - __le32 ie_length; /* byte length of Information Elements */ - __le16 SNR; /* average SNR of during frame reception */ - /* Add new fields here */ - /* variable length Information Elements */ -}; - -struct brcm_rateset_le { - /* # rates in this set */ - __le32 count; - /* rates in 500kbps units w/hi bit set if basic */ - u8 rates[BRCMF_MAXRATES_IN_SET]; -}; - -struct brcmf_ssid { - u32 SSID_len; - unsigned char SSID[32]; -}; - -struct brcmf_ssid_le { - __le32 SSID_len; - unsigned char SSID[32]; -}; - -struct brcmf_scan_params_le { - struct brcmf_ssid_le ssid_le; /* default: {0, ""} */ - u8 bssid[ETH_ALEN]; /* default: bcast */ - s8 bss_type; /* default: any, - * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT - */ - u8 scan_type; /* flags, 0 use default */ - __le32 nprobes; /* -1 use default, number of probes per channel */ - __le32 active_time; /* -1 use default, dwell time per channel for - * active scanning - */ - __le32 passive_time; /* -1 use default, dwell time per channel - * for passive scanning - */ - __le32 home_time; /* -1 use default, dwell time for the - * home channel between channel scans - */ - __le32 channel_num; /* count of channels and ssids that follow - * - * low half is count of channels in - * channel_list, 0 means default (use all - * available channels) - * - * high half is entries in struct brcmf_ssid - * array that follows channel_list, aligned for - * s32 (4 bytes) meaning an odd channel count - * implies a 2-byte pad between end of - * channel_list and first ssid - * - * if ssid count is zero, single ssid in the - * fixed parameter portion is assumed, otherwise - * ssid in the fixed portion is ignored - */ - __le16 channel_list[1]; /* list of chanspecs */ -}; - -struct brcmf_scan_results { - u32 buflen; - u32 version; - u32 count; - struct brcmf_bss_info_le bss_info_le[]; -}; - -struct brcmf_escan_params_le { - __le32 version; - __le16 action; - __le16 sync_id; - struct brcmf_scan_params_le params_le; -}; - -struct brcmf_escan_result_le { - __le32 buflen; - __le32 version; - __le16 sync_id; - __le16 bss_count; - struct brcmf_bss_info_le bss_info_le; -}; - -#define WL_ESCAN_RESULTS_FIXED_SIZE (sizeof(struct brcmf_escan_result_le) - \ - sizeof(struct brcmf_bss_info_le)) - -/* used for association with a specific BSSID and chanspec list */ -struct brcmf_assoc_params_le { - /* 00:00:00:00:00:00: broadcast scan */ - u8 bssid[ETH_ALEN]; - /* 0: all available channels, otherwise count of chanspecs in - * chanspec_list */ - __le32 chanspec_num; - /* list of chanspecs */ - __le16 chanspec_list[1]; -}; - -/** - * struct join_pref params - parameters for preferred join selection. - * - * @type: preference type (see enum brcmf_join_pref_types). - * @len: length of bytes following (currently always 2). - * @rssi_gain: signal gain for selection (only when @type is RSSI_DELTA). - * @band: band to which selection preference applies. - * This is used if @type is BAND or RSSI_DELTA. - */ -struct brcmf_join_pref_params { - u8 type; - u8 len; - u8 rssi_gain; - u8 band; -}; - -/* used for join with or without a specific bssid and channel list */ -struct brcmf_join_params { - struct brcmf_ssid_le ssid_le; - struct brcmf_assoc_params_le params_le; -}; - -/* scan params for extended join */ -struct brcmf_join_scan_params_le { - u8 scan_type; /* 0 use default, active or passive scan */ - __le32 nprobes; /* -1 use default, nr of probes per channel */ - __le32 active_time; /* -1 use default, dwell time per channel for - * active scanning - */ - __le32 passive_time; /* -1 use default, dwell time per channel - * for passive scanning - */ - __le32 home_time; /* -1 use default, dwell time for the home - * channel between channel scans - */ -}; - -/* extended join params */ -struct brcmf_ext_join_params_le { - struct brcmf_ssid_le ssid_le; /* {0, ""}: wildcard scan */ - struct brcmf_join_scan_params_le scan_le; - struct brcmf_assoc_params_le assoc_le; -}; - -struct brcmf_wsec_key { - u32 index; /* key index */ - u32 len; /* key length */ - u8 data[WLAN_MAX_KEY_LEN]; /* key data */ - u32 pad_1[18]; - u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ - u32 flags; /* misc flags */ - u32 pad_2[3]; - u32 iv_initialized; /* has IV been initialized already? */ - u32 pad_3; - /* Rx IV */ - struct { - u32 hi; /* upper 32 bits of IV */ - u16 lo; /* lower 16 bits of IV */ - } rxiv; - u32 pad_4[2]; - u8 ea[ETH_ALEN]; /* per station */ -}; - -/* - * dongle requires same struct as above but with fields in little endian order - */ -struct brcmf_wsec_key_le { - __le32 index; /* key index */ - __le32 len; /* key length */ - u8 data[WLAN_MAX_KEY_LEN]; /* key data */ - __le32 pad_1[18]; - __le32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */ - __le32 flags; /* misc flags */ - __le32 pad_2[3]; - __le32 iv_initialized; /* has IV been initialized already? */ - __le32 pad_3; - /* Rx IV */ - struct { - __le32 hi; /* upper 32 bits of IV */ - __le16 lo; /* lower 16 bits of IV */ - } rxiv; - __le32 pad_4[2]; - u8 ea[ETH_ALEN]; /* per station */ -}; - -/* Used to get specific STA parameters */ -struct brcmf_scb_val_le { - __le32 val; - u8 ea[ETH_ALEN]; -}; - -/* channel encoding */ -struct brcmf_channel_info_le { - __le32 hw_channel; - __le32 target_channel; - __le32 scan_channel; -}; - -struct brcmf_sta_info_le { - __le16 ver; /* version of this struct */ - __le16 len; /* length in bytes of this structure */ - __le16 cap; /* sta's advertised capabilities */ - __le32 flags; /* flags defined below */ - __le32 idle; /* time since data pkt rx'd from sta */ - u8 ea[ETH_ALEN]; /* Station address */ - __le32 count; /* # rates in this set */ - u8 rates[BRCMF_MAXRATES_IN_SET]; /* rates in 500kbps units */ - /* w/hi bit set if basic */ - __le32 in; /* seconds elapsed since associated */ - __le32 listen_interval_inms; /* Min Listen interval in ms for STA */ - __le32 tx_pkts; /* # of packets transmitted */ - __le32 tx_failures; /* # of packets failed */ - __le32 rx_ucast_pkts; /* # of unicast packets received */ - __le32 rx_mcast_pkts; /* # of multicast packets received */ - __le32 tx_rate; /* Rate of last successful tx frame */ - __le32 rx_rate; /* Rate of last successful rx frame */ - __le32 rx_decrypt_succeeds; /* # of packet decrypted successfully */ - __le32 rx_decrypt_failures; /* # of packet decrypted failed */ - __le32 tx_tot_pkts; /* # of tx pkts (ucast + mcast) */ - __le32 rx_tot_pkts; /* # of data packets recvd (uni + mcast) */ - __le32 tx_mcast_pkts; /* # of mcast pkts txed */ - __le64 tx_tot_bytes; /* data bytes txed (ucast + mcast) */ - __le64 rx_tot_bytes; /* data bytes recvd (ucast + mcast) */ - __le64 tx_ucast_bytes; /* data bytes txed (ucast) */ - __le64 tx_mcast_bytes; /* # data bytes txed (mcast) */ - __le64 rx_ucast_bytes; /* data bytes recvd (ucast) */ - __le64 rx_mcast_bytes; /* data bytes recvd (mcast) */ - s8 rssi[BRCMF_ANT_MAX]; /* per antenna rssi */ - s8 nf[BRCMF_ANT_MAX]; /* per antenna noise floor */ - __le16 aid; /* association ID */ - __le16 ht_capabilities; /* advertised ht caps */ - __le16 vht_flags; /* converted vht flags */ - __le32 tx_pkts_retry_cnt; /* # of frames where a retry was - * exhausted. - */ - __le32 tx_pkts_retry_exhausted; /* # of user frames where a retry - * was exhausted - */ - s8 rx_lastpkt_rssi[BRCMF_ANT_MAX]; /* Per antenna RSSI of last - * received data frame. - */ - /* TX WLAN retry/failure statistics: - * Separated for host requested frames and locally generated frames. - * Include unicast frame only where the retries/failures can be counted. - */ - __le32 tx_pkts_total; /* # user frames sent successfully */ - __le32 tx_pkts_retries; /* # user frames retries */ - __le32 tx_pkts_fw_total; /* # FW generated sent successfully */ - __le32 tx_pkts_fw_retries; /* # retries for FW generated frames */ - __le32 tx_pkts_fw_retry_exhausted; /* # FW generated where a retry - * was exhausted - */ - __le32 rx_pkts_retried; /* # rx with retry bit set */ - __le32 tx_rate_fallback; /* lowest fallback TX rate */ -}; - -struct brcmf_chanspec_list { - __le32 count; /* # of entries */ - __le32 element[1]; /* variable length uint32 list */ -}; - -/* - * WLC_E_PROBRESP_MSG - * WLC_E_P2P_PROBREQ_MSG - * WLC_E_ACTION_FRAME_RX - */ -struct brcmf_rx_mgmt_data { - __be16 version; - __be16 chanspec; - __be32 rssi; - __be32 mactime; - __be32 rate; -}; - -/** - * struct brcmf_fil_wowl_pattern_le - wowl pattern configuration struct. - * - * @cmd: "add", "del" or "clr". - * @masksize: Size of the mask in #of bytes - * @offset: Pattern byte offset in packet - * @patternoffset: Offset of start of pattern. Starting from field masksize. - * @patternsize: Size of the pattern itself in #of bytes - * @id: id - * @reasonsize: Size of the wakeup reason code - * @type: Type of pattern (enum brcmf_wowl_pattern_type) - */ -struct brcmf_fil_wowl_pattern_le { - u8 cmd[4]; - __le32 masksize; - __le32 offset; - __le32 patternoffset; - __le32 patternsize; - __le32 id; - __le32 reasonsize; - __le32 type; - /* u8 mask[] - Mask follows the structure above */ - /* u8 pattern[] - Pattern follows the mask is at 'patternoffset' */ -}; - -struct brcmf_mbss_ssid_le { - __le32 bsscfgidx; - __le32 SSID_len; - unsigned char SSID[32]; -}; - -/** - * struct brcmf_fil_country_le - country configuration structure. - * - * @country_abbrev: null-terminated country code used in the country IE. - * @rev: revision specifier for ccode. on set, -1 indicates unspecified. - * @ccode: null-terminated built-in country code. - */ -struct brcmf_fil_country_le { - char country_abbrev[BRCMF_COUNTRY_BUF_SZ]; - __le32 rev; - char ccode[BRCMF_COUNTRY_BUF_SZ]; -}; - -/** - * struct brcmf_rev_info_le - device revision info. - * - * @vendorid: PCI vendor id. - * @deviceid: device id of chip. - * @radiorev: radio revision. - * @chiprev: chip revision. - * @corerev: core revision. - * @boardid: board identifier (usu. PCI sub-device id). - * @boardvendor: board vendor (usu. PCI sub-vendor id). - * @boardrev: board revision. - * @driverrev: driver version. - * @ucoderev: microcode version. - * @bus: bus type. - * @chipnum: chip number. - * @phytype: phy type. - * @phyrev: phy revision. - * @anarev: anacore rev. - * @chippkg: chip package info. - * @nvramrev: nvram revision number. - */ -struct brcmf_rev_info_le { - __le32 vendorid; - __le32 deviceid; - __le32 radiorev; - __le32 chiprev; - __le32 corerev; - __le32 boardid; - __le32 boardvendor; - __le32 boardrev; - __le32 driverrev; - __le32 ucoderev; - __le32 bus; - __le32 chipnum; - __le32 phytype; - __le32 phyrev; - __le32 anarev; - __le32 chippkg; - __le32 nvramrev; -}; - -/** - * struct brcmf_assoclist_le - request assoc list. - * - * @count: indicates number of stations. - * @mac: MAC addresses of stations. - */ -struct brcmf_assoclist_le { - __le32 count; - u8 mac[BRCMF_MAX_ASSOCLIST][ETH_ALEN]; -}; - -#endif /* FWIL_TYPES_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c deleted file mode 100644 index 086cac3f86d6..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c +++ /dev/null @@ -1,2271 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/types.h> -#include <linux/module.h> -#include <linux/if_ether.h> -#include <linux/spinlock.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/err.h> -#include <linux/jiffies.h> -#include <net/cfg80211.h> - -#include <brcmu_utils.h> -#include <brcmu_wifi.h> -#include "core.h" -#include "debug.h" -#include "bus.h" -#include "fwil.h" -#include "fwil_types.h" -#include "fweh.h" -#include "fwsignal.h" -#include "p2p.h" -#include "cfg80211.h" -#include "proto.h" - -/** - * DOC: Firmware Signalling - * - * Firmware can send signals to host and vice versa, which are passed in the - * data packets using TLV based header. This signalling layer is on top of the - * BDC bus protocol layer. - */ - -/* - * single definition for firmware-driver flow control tlv's. - * - * each tlv is specified by BRCMF_FWS_TLV_DEF(name, ID, length). - * A length value 0 indicates variable length tlv. - */ -#define BRCMF_FWS_TLV_DEFLIST \ - BRCMF_FWS_TLV_DEF(MAC_OPEN, 1, 1) \ - BRCMF_FWS_TLV_DEF(MAC_CLOSE, 2, 1) \ - BRCMF_FWS_TLV_DEF(MAC_REQUEST_CREDIT, 3, 2) \ - BRCMF_FWS_TLV_DEF(TXSTATUS, 4, 4) \ - BRCMF_FWS_TLV_DEF(PKTTAG, 5, 4) \ - BRCMF_FWS_TLV_DEF(MACDESC_ADD, 6, 8) \ - BRCMF_FWS_TLV_DEF(MACDESC_DEL, 7, 8) \ - BRCMF_FWS_TLV_DEF(RSSI, 8, 1) \ - BRCMF_FWS_TLV_DEF(INTERFACE_OPEN, 9, 1) \ - BRCMF_FWS_TLV_DEF(INTERFACE_CLOSE, 10, 1) \ - BRCMF_FWS_TLV_DEF(FIFO_CREDITBACK, 11, 6) \ - BRCMF_FWS_TLV_DEF(PENDING_TRAFFIC_BMP, 12, 2) \ - BRCMF_FWS_TLV_DEF(MAC_REQUEST_PACKET, 13, 3) \ - BRCMF_FWS_TLV_DEF(HOST_REORDER_RXPKTS, 14, 10) \ - BRCMF_FWS_TLV_DEF(TRANS_ID, 18, 6) \ - BRCMF_FWS_TLV_DEF(COMP_TXSTATUS, 19, 1) \ - BRCMF_FWS_TLV_DEF(FILLER, 255, 0) - -/* - * enum brcmf_fws_tlv_type - definition of tlv identifiers. - */ -#define BRCMF_FWS_TLV_DEF(name, id, len) \ - BRCMF_FWS_TYPE_ ## name = id, -enum brcmf_fws_tlv_type { - BRCMF_FWS_TLV_DEFLIST - BRCMF_FWS_TYPE_INVALID -}; -#undef BRCMF_FWS_TLV_DEF - -/* - * enum brcmf_fws_tlv_len - definition of tlv lengths. - */ -#define BRCMF_FWS_TLV_DEF(name, id, len) \ - BRCMF_FWS_TYPE_ ## name ## _LEN = (len), -enum brcmf_fws_tlv_len { - BRCMF_FWS_TLV_DEFLIST -}; -#undef BRCMF_FWS_TLV_DEF - -#ifdef DEBUG -/* - * brcmf_fws_tlv_names - array of tlv names. - */ -#define BRCMF_FWS_TLV_DEF(name, id, len) \ - { id, #name }, -static struct { - enum brcmf_fws_tlv_type id; - const char *name; -} brcmf_fws_tlv_names[] = { - BRCMF_FWS_TLV_DEFLIST -}; -#undef BRCMF_FWS_TLV_DEF - - -static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(brcmf_fws_tlv_names); i++) - if (brcmf_fws_tlv_names[i].id == id) - return brcmf_fws_tlv_names[i].name; - - return "INVALID"; -} -#else -static const char *brcmf_fws_get_tlv_name(enum brcmf_fws_tlv_type id) -{ - return "NODEBUG"; -} -#endif /* DEBUG */ - -/* - * The PKTTAG tlv has additional bytes when firmware-signalling - * mode has REUSESEQ flag set. - */ -#define BRCMF_FWS_TYPE_SEQ_LEN 2 - -/* - * flags used to enable tlv signalling from firmware. - */ -#define BRCMF_FWS_FLAGS_RSSI_SIGNALS 0x0001 -#define BRCMF_FWS_FLAGS_XONXOFF_SIGNALS 0x0002 -#define BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS 0x0004 -#define BRCMF_FWS_FLAGS_HOST_PROPTXSTATUS_ACTIVE 0x0008 -#define BRCMF_FWS_FLAGS_PSQ_GENERATIONFSM_ENABLE 0x0010 -#define BRCMF_FWS_FLAGS_PSQ_ZERO_BUFFER_ENABLE 0x0020 -#define BRCMF_FWS_FLAGS_HOST_RXREORDER_ACTIVE 0x0040 - -#define BRCMF_FWS_MAC_DESC_TABLE_SIZE 32 -#define BRCMF_FWS_MAC_DESC_ID_INVALID 0xff - -#define BRCMF_FWS_HOSTIF_FLOWSTATE_OFF 0 -#define BRCMF_FWS_HOSTIF_FLOWSTATE_ON 1 -#define BRCMF_FWS_FLOWCONTROL_HIWATER 128 -#define BRCMF_FWS_FLOWCONTROL_LOWATER 64 - -#define BRCMF_FWS_PSQ_PREC_COUNT ((BRCMF_FWS_FIFO_COUNT + 1) * 2) -#define BRCMF_FWS_PSQ_LEN 256 - -#define BRCMF_FWS_HTOD_FLAG_PKTFROMHOST 0x01 -#define BRCMF_FWS_HTOD_FLAG_PKT_REQUESTED 0x02 - -#define BRCMF_FWS_RET_OK_NOSCHEDULE 0 -#define BRCMF_FWS_RET_OK_SCHEDULE 1 - -#define BRCMF_FWS_MODE_REUSESEQ_SHIFT 3 /* seq reuse */ -#define BRCMF_FWS_MODE_SET_REUSESEQ(x, val) ((x) = \ - ((x) & ~(1 << BRCMF_FWS_MODE_REUSESEQ_SHIFT)) | \ - (((val) & 1) << BRCMF_FWS_MODE_REUSESEQ_SHIFT)) -#define BRCMF_FWS_MODE_GET_REUSESEQ(x) \ - (((x) >> BRCMF_FWS_MODE_REUSESEQ_SHIFT) & 1) - -/** - * enum brcmf_fws_skb_state - indicates processing state of skb. - * - * @BRCMF_FWS_SKBSTATE_NEW: sk_buff is newly arrived in the driver. - * @BRCMF_FWS_SKBSTATE_DELAYED: sk_buff had to wait on queue. - * @BRCMF_FWS_SKBSTATE_SUPPRESSED: sk_buff has been suppressed by firmware. - * @BRCMF_FWS_SKBSTATE_TIM: allocated for TIM update info. - */ -enum brcmf_fws_skb_state { - BRCMF_FWS_SKBSTATE_NEW, - BRCMF_FWS_SKBSTATE_DELAYED, - BRCMF_FWS_SKBSTATE_SUPPRESSED, - BRCMF_FWS_SKBSTATE_TIM -}; - -/** - * struct brcmf_skbuff_cb - control buffer associated with skbuff. - * - * @bus_flags: 2 bytes reserved for bus specific parameters - * @if_flags: holds interface index and packet related flags. - * @htod: host to device packet identifier (used in PKTTAG tlv). - * @htod_seq: this 16-bit is original seq number for every suppress packet. - * @state: transmit state of the packet. - * @mac: descriptor related to destination for this packet. - * - * This information is stored in control buffer struct sk_buff::cb, which - * provides 48 bytes of storage so this structure should not exceed that. - */ -struct brcmf_skbuff_cb { - u16 bus_flags; - u16 if_flags; - u32 htod; - u16 htod_seq; - enum brcmf_fws_skb_state state; - struct brcmf_fws_mac_descriptor *mac; -}; - -/* - * macro casting skbuff control buffer to struct brcmf_skbuff_cb. - */ -#define brcmf_skbcb(skb) ((struct brcmf_skbuff_cb *)((skb)->cb)) - -/* - * sk_buff control if flags - * - * b[11] - packet sent upon firmware request. - * b[10] - packet only contains signalling data. - * b[9] - packet is a tx packet. - * b[8] - packet used requested credit - * b[7] - interface in AP mode. - * b[3:0] - interface index. - */ -#define BRCMF_SKB_IF_FLAGS_REQUESTED_MASK 0x0800 -#define BRCMF_SKB_IF_FLAGS_REQUESTED_SHIFT 11 -#define BRCMF_SKB_IF_FLAGS_SIGNAL_ONLY_MASK 0x0400 -#define BRCMF_SKB_IF_FLAGS_SIGNAL_ONLY_SHIFT 10 -#define BRCMF_SKB_IF_FLAGS_TRANSMIT_MASK 0x0200 -#define BRCMF_SKB_IF_FLAGS_TRANSMIT_SHIFT 9 -#define BRCMF_SKB_IF_FLAGS_REQ_CREDIT_MASK 0x0100 -#define BRCMF_SKB_IF_FLAGS_REQ_CREDIT_SHIFT 8 -#define BRCMF_SKB_IF_FLAGS_IF_AP_MASK 0x0080 -#define BRCMF_SKB_IF_FLAGS_IF_AP_SHIFT 7 -#define BRCMF_SKB_IF_FLAGS_INDEX_MASK 0x000f -#define BRCMF_SKB_IF_FLAGS_INDEX_SHIFT 0 - -#define brcmf_skb_if_flags_set_field(skb, field, value) \ - brcmu_maskset16(&(brcmf_skbcb(skb)->if_flags), \ - BRCMF_SKB_IF_FLAGS_ ## field ## _MASK, \ - BRCMF_SKB_IF_FLAGS_ ## field ## _SHIFT, (value)) -#define brcmf_skb_if_flags_get_field(skb, field) \ - brcmu_maskget16(brcmf_skbcb(skb)->if_flags, \ - BRCMF_SKB_IF_FLAGS_ ## field ## _MASK, \ - BRCMF_SKB_IF_FLAGS_ ## field ## _SHIFT) - -/* - * sk_buff control packet identifier - * - * 32-bit packet identifier used in PKTTAG tlv from host to dongle. - * - * - Generated at the host (e.g. dhd) - * - Seen as a generic sequence number by firmware except for the flags field. - * - * Generation : b[31] => generation number for this packet [host->fw] - * OR, current generation number [fw->host] - * Flags : b[30:27] => command, status flags - * FIFO-AC : b[26:24] => AC-FIFO id - * h-slot : b[23:8] => hanger-slot - * freerun : b[7:0] => A free running counter - */ -#define BRCMF_SKB_HTOD_TAG_GENERATION_MASK 0x80000000 -#define BRCMF_SKB_HTOD_TAG_GENERATION_SHIFT 31 -#define BRCMF_SKB_HTOD_TAG_FLAGS_MASK 0x78000000 -#define BRCMF_SKB_HTOD_TAG_FLAGS_SHIFT 27 -#define BRCMF_SKB_HTOD_TAG_FIFO_MASK 0x07000000 -#define BRCMF_SKB_HTOD_TAG_FIFO_SHIFT 24 -#define BRCMF_SKB_HTOD_TAG_HSLOT_MASK 0x00ffff00 -#define BRCMF_SKB_HTOD_TAG_HSLOT_SHIFT 8 -#define BRCMF_SKB_HTOD_TAG_FREERUN_MASK 0x000000ff -#define BRCMF_SKB_HTOD_TAG_FREERUN_SHIFT 0 - -#define brcmf_skb_htod_tag_set_field(skb, field, value) \ - brcmu_maskset32(&(brcmf_skbcb(skb)->htod), \ - BRCMF_SKB_HTOD_TAG_ ## field ## _MASK, \ - BRCMF_SKB_HTOD_TAG_ ## field ## _SHIFT, (value)) -#define brcmf_skb_htod_tag_get_field(skb, field) \ - brcmu_maskget32(brcmf_skbcb(skb)->htod, \ - BRCMF_SKB_HTOD_TAG_ ## field ## _MASK, \ - BRCMF_SKB_HTOD_TAG_ ## field ## _SHIFT) - -#define BRCMF_SKB_HTOD_SEQ_FROMFW_MASK 0x2000 -#define BRCMF_SKB_HTOD_SEQ_FROMFW_SHIFT 13 -#define BRCMF_SKB_HTOD_SEQ_FROMDRV_MASK 0x1000 -#define BRCMF_SKB_HTOD_SEQ_FROMDRV_SHIFT 12 -#define BRCMF_SKB_HTOD_SEQ_NR_MASK 0x0fff -#define BRCMF_SKB_HTOD_SEQ_NR_SHIFT 0 - -#define brcmf_skb_htod_seq_set_field(skb, field, value) \ - brcmu_maskset16(&(brcmf_skbcb(skb)->htod_seq), \ - BRCMF_SKB_HTOD_SEQ_ ## field ## _MASK, \ - BRCMF_SKB_HTOD_SEQ_ ## field ## _SHIFT, (value)) -#define brcmf_skb_htod_seq_get_field(skb, field) \ - brcmu_maskget16(brcmf_skbcb(skb)->htod_seq, \ - BRCMF_SKB_HTOD_SEQ_ ## field ## _MASK, \ - BRCMF_SKB_HTOD_SEQ_ ## field ## _SHIFT) - -#define BRCMF_FWS_TXSTAT_GENERATION_MASK 0x80000000 -#define BRCMF_FWS_TXSTAT_GENERATION_SHIFT 31 -#define BRCMF_FWS_TXSTAT_FLAGS_MASK 0x78000000 -#define BRCMF_FWS_TXSTAT_FLAGS_SHIFT 27 -#define BRCMF_FWS_TXSTAT_FIFO_MASK 0x07000000 -#define BRCMF_FWS_TXSTAT_FIFO_SHIFT 24 -#define BRCMF_FWS_TXSTAT_HSLOT_MASK 0x00FFFF00 -#define BRCMF_FWS_TXSTAT_HSLOT_SHIFT 8 -#define BRCMF_FWS_TXSTAT_FREERUN_MASK 0x000000FF -#define BRCMF_FWS_TXSTAT_FREERUN_SHIFT 0 - -#define brcmf_txstatus_get_field(txs, field) \ - brcmu_maskget32(txs, BRCMF_FWS_TXSTAT_ ## field ## _MASK, \ - BRCMF_FWS_TXSTAT_ ## field ## _SHIFT) - -/* How long to defer borrowing in jiffies */ -#define BRCMF_FWS_BORROW_DEFER_PERIOD (HZ / 10) - -/** - * enum brcmf_fws_fifo - fifo indices used by dongle firmware. - * - * @BRCMF_FWS_FIFO_FIRST: first fifo, ie. background. - * @BRCMF_FWS_FIFO_AC_BK: fifo for background traffic. - * @BRCMF_FWS_FIFO_AC_BE: fifo for best-effort traffic. - * @BRCMF_FWS_FIFO_AC_VI: fifo for video traffic. - * @BRCMF_FWS_FIFO_AC_VO: fifo for voice traffic. - * @BRCMF_FWS_FIFO_BCMC: fifo for broadcast/multicast (AP only). - * @BRCMF_FWS_FIFO_ATIM: fifo for ATIM (AP only). - * @BRCMF_FWS_FIFO_COUNT: number of fifos. - */ -enum brcmf_fws_fifo { - BRCMF_FWS_FIFO_FIRST, - BRCMF_FWS_FIFO_AC_BK = BRCMF_FWS_FIFO_FIRST, - BRCMF_FWS_FIFO_AC_BE, - BRCMF_FWS_FIFO_AC_VI, - BRCMF_FWS_FIFO_AC_VO, - BRCMF_FWS_FIFO_BCMC, - BRCMF_FWS_FIFO_ATIM, - BRCMF_FWS_FIFO_COUNT -}; - -/** - * enum brcmf_fws_txstatus - txstatus flag values. - * - * @BRCMF_FWS_TXSTATUS_DISCARD: - * host is free to discard the packet. - * @BRCMF_FWS_TXSTATUS_CORE_SUPPRESS: - * 802.11 core suppressed the packet. - * @BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS: - * firmware suppress the packet as device is already in PS mode. - * @BRCMF_FWS_TXSTATUS_FW_TOSSED: - * firmware tossed the packet. - * @BRCMF_FWS_TXSTATUS_HOST_TOSSED: - * host tossed the packet. - */ -enum brcmf_fws_txstatus { - BRCMF_FWS_TXSTATUS_DISCARD, - BRCMF_FWS_TXSTATUS_CORE_SUPPRESS, - BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS, - BRCMF_FWS_TXSTATUS_FW_TOSSED, - BRCMF_FWS_TXSTATUS_HOST_TOSSED -}; - -enum brcmf_fws_fcmode { - BRCMF_FWS_FCMODE_NONE, - BRCMF_FWS_FCMODE_IMPLIED_CREDIT, - BRCMF_FWS_FCMODE_EXPLICIT_CREDIT -}; - -enum brcmf_fws_mac_desc_state { - BRCMF_FWS_STATE_OPEN = 1, - BRCMF_FWS_STATE_CLOSE -}; - -/** - * struct brcmf_fws_mac_descriptor - firmware signalling data per node/interface - * - * @occupied: slot is in use. - * @mac_handle: handle for mac entry determined by firmware. - * @interface_id: interface index. - * @state: current state. - * @suppressed: mac entry is suppressed. - * @generation: generation bit. - * @ac_bitmap: ac queue bitmap. - * @requested_credit: credits requested by firmware. - * @ea: ethernet address. - * @seq: per-node free-running sequence. - * @psq: power-save queue. - * @transit_count: packet in transit to firmware. - */ -struct brcmf_fws_mac_descriptor { - char name[16]; - u8 occupied; - u8 mac_handle; - u8 interface_id; - u8 state; - bool suppressed; - u8 generation; - u8 ac_bitmap; - u8 requested_credit; - u8 requested_packet; - u8 ea[ETH_ALEN]; - u8 seq[BRCMF_FWS_FIFO_COUNT]; - struct pktq psq; - int transit_count; - int suppr_transit_count; - bool send_tim_signal; - u8 traffic_pending_bmp; - u8 traffic_lastreported_bmp; -}; - -#define BRCMF_FWS_HANGER_MAXITEMS 1024 - -/** - * enum brcmf_fws_hanger_item_state - state of hanger item. - * - * @BRCMF_FWS_HANGER_ITEM_STATE_FREE: item is free for use. - * @BRCMF_FWS_HANGER_ITEM_STATE_INUSE: item is in use. - * @BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED: item was suppressed. - */ -enum brcmf_fws_hanger_item_state { - BRCMF_FWS_HANGER_ITEM_STATE_FREE = 1, - BRCMF_FWS_HANGER_ITEM_STATE_INUSE, - BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED -}; - - -/** - * struct brcmf_fws_hanger_item - single entry for tx pending packet. - * - * @state: entry is either free or occupied. - * @pkt: packet itself. - */ -struct brcmf_fws_hanger_item { - enum brcmf_fws_hanger_item_state state; - struct sk_buff *pkt; -}; - -/** - * struct brcmf_fws_hanger - holds packets awaiting firmware txstatus. - * - * @pushed: packets pushed to await txstatus. - * @popped: packets popped upon handling txstatus. - * @failed_to_push: packets that could not be pushed. - * @failed_to_pop: packets that could not be popped. - * @failed_slotfind: packets for which failed to find an entry. - * @slot_pos: last returned item index for a free entry. - * @items: array of hanger items. - */ -struct brcmf_fws_hanger { - u32 pushed; - u32 popped; - u32 failed_to_push; - u32 failed_to_pop; - u32 failed_slotfind; - u32 slot_pos; - struct brcmf_fws_hanger_item items[BRCMF_FWS_HANGER_MAXITEMS]; -}; - -struct brcmf_fws_macdesc_table { - struct brcmf_fws_mac_descriptor nodes[BRCMF_FWS_MAC_DESC_TABLE_SIZE]; - struct brcmf_fws_mac_descriptor iface[BRCMF_MAX_IFS]; - struct brcmf_fws_mac_descriptor other; -}; - -struct brcmf_fws_stats { - u32 tlv_parse_failed; - u32 tlv_invalid_type; - u32 header_only_pkt; - u32 header_pulls; - u32 pkt2bus; - u32 send_pkts[5]; - u32 requested_sent[5]; - u32 generic_error; - u32 mac_update_failed; - u32 mac_ps_update_failed; - u32 if_update_failed; - u32 packet_request_failed; - u32 credit_request_failed; - u32 rollback_success; - u32 rollback_failed; - u32 delayq_full_error; - u32 supprq_full_error; - u32 txs_indicate; - u32 txs_discard; - u32 txs_supp_core; - u32 txs_supp_ps; - u32 txs_tossed; - u32 txs_host_tossed; - u32 bus_flow_block; - u32 fws_flow_block; -}; - -struct brcmf_fws_info { - struct brcmf_pub *drvr; - spinlock_t spinlock; - ulong flags; - struct brcmf_fws_stats stats; - struct brcmf_fws_hanger hanger; - enum brcmf_fws_fcmode fcmode; - bool fw_signals; - bool bcmc_credit_check; - struct brcmf_fws_macdesc_table desc; - struct workqueue_struct *fws_wq; - struct work_struct fws_dequeue_work; - u32 fifo_enqpkt[BRCMF_FWS_FIFO_COUNT]; - int fifo_credit[BRCMF_FWS_FIFO_COUNT]; - int credits_borrowed[BRCMF_FWS_FIFO_AC_VO + 1]; - int deq_node_pos[BRCMF_FWS_FIFO_COUNT]; - u32 fifo_credit_map; - u32 fifo_delay_map; - unsigned long borrow_defer_timestamp; - bool bus_flow_blocked; - bool creditmap_received; - u8 mode; - bool avoid_queueing; -}; - -/* - * brcmf_fws_prio2fifo - mapping from 802.1d priority to firmware fifo index. - */ -static const int brcmf_fws_prio2fifo[] = { - BRCMF_FWS_FIFO_AC_BE, - BRCMF_FWS_FIFO_AC_BK, - BRCMF_FWS_FIFO_AC_BK, - BRCMF_FWS_FIFO_AC_BE, - BRCMF_FWS_FIFO_AC_VI, - BRCMF_FWS_FIFO_AC_VI, - BRCMF_FWS_FIFO_AC_VO, - BRCMF_FWS_FIFO_AC_VO -}; - -static int fcmode; -module_param(fcmode, int, S_IRUSR); -MODULE_PARM_DESC(fcmode, "mode of firmware signalled flow control"); - -#define BRCMF_FWS_TLV_DEF(name, id, len) \ - case BRCMF_FWS_TYPE_ ## name: \ - return len; - -/** - * brcmf_fws_get_tlv_len() - returns defined length for given tlv id. - * - * @fws: firmware-signalling information. - * @id: identifier of the TLV. - * - * Return: the specified length for the given TLV; Otherwise -EINVAL. - */ -static int brcmf_fws_get_tlv_len(struct brcmf_fws_info *fws, - enum brcmf_fws_tlv_type id) -{ - switch (id) { - BRCMF_FWS_TLV_DEFLIST - default: - fws->stats.tlv_invalid_type++; - break; - } - return -EINVAL; -} -#undef BRCMF_FWS_TLV_DEF - -static void brcmf_fws_lock(struct brcmf_fws_info *fws) - __acquires(&fws->spinlock) -{ - spin_lock_irqsave(&fws->spinlock, fws->flags); -} - -static void brcmf_fws_unlock(struct brcmf_fws_info *fws) - __releases(&fws->spinlock) -{ - spin_unlock_irqrestore(&fws->spinlock, fws->flags); -} - -static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg) -{ - u32 ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); - return ifidx == *(int *)arg; -} - -static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q, - int ifidx) -{ - bool (*matchfn)(struct sk_buff *, void *) = NULL; - struct sk_buff *skb; - int prec; - - if (ifidx != -1) - matchfn = brcmf_fws_ifidx_match; - for (prec = 0; prec < q->num_prec; prec++) { - skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); - while (skb) { - brcmu_pkt_buf_free_skb(skb); - skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx); - } - } -} - -static void brcmf_fws_hanger_init(struct brcmf_fws_hanger *hanger) -{ - int i; - - memset(hanger, 0, sizeof(*hanger)); - for (i = 0; i < ARRAY_SIZE(hanger->items); i++) - hanger->items[i].state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; -} - -static u32 brcmf_fws_hanger_get_free_slot(struct brcmf_fws_hanger *h) -{ - u32 i; - - i = (h->slot_pos + 1) % BRCMF_FWS_HANGER_MAXITEMS; - - while (i != h->slot_pos) { - if (h->items[i].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { - h->slot_pos = i; - goto done; - } - i++; - if (i == BRCMF_FWS_HANGER_MAXITEMS) - i = 0; - } - brcmf_err("all slots occupied\n"); - h->failed_slotfind++; - i = BRCMF_FWS_HANGER_MAXITEMS; -done: - return i; -} - -static int brcmf_fws_hanger_pushpkt(struct brcmf_fws_hanger *h, - struct sk_buff *pkt, u32 slot_id) -{ - if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) - return -ENOENT; - - if (h->items[slot_id].state != BRCMF_FWS_HANGER_ITEM_STATE_FREE) { - brcmf_err("slot is not free\n"); - h->failed_to_push++; - return -EINVAL; - } - - h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_INUSE; - h->items[slot_id].pkt = pkt; - h->pushed++; - return 0; -} - -static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h, - u32 slot_id, struct sk_buff **pktout, - bool remove_item) -{ - if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) - return -ENOENT; - - if (h->items[slot_id].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { - brcmf_err("entry not in use\n"); - h->failed_to_pop++; - return -EINVAL; - } - - *pktout = h->items[slot_id].pkt; - if (remove_item) { - h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; - h->items[slot_id].pkt = NULL; - h->popped++; - } - return 0; -} - -static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h, - u32 slot_id) -{ - if (slot_id >= BRCMF_FWS_HANGER_MAXITEMS) - return -ENOENT; - - if (h->items[slot_id].state == BRCMF_FWS_HANGER_ITEM_STATE_FREE) { - brcmf_err("entry not in use\n"); - return -EINVAL; - } - - h->items[slot_id].state = BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED; - return 0; -} - -static void brcmf_fws_hanger_cleanup(struct brcmf_fws_info *fws, - bool (*fn)(struct sk_buff *, void *), - int ifidx) -{ - struct brcmf_fws_hanger *h = &fws->hanger; - struct sk_buff *skb; - int i; - enum brcmf_fws_hanger_item_state s; - - for (i = 0; i < ARRAY_SIZE(h->items); i++) { - s = h->items[i].state; - if (s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE || - s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE_SUPPRESSED) { - skb = h->items[i].pkt; - if (fn == NULL || fn(skb, &ifidx)) { - /* suppress packets freed from psq */ - if (s == BRCMF_FWS_HANGER_ITEM_STATE_INUSE) - brcmu_pkt_buf_free_skb(skb); - h->items[i].state = - BRCMF_FWS_HANGER_ITEM_STATE_FREE; - } - } - } -} - -static void brcmf_fws_macdesc_set_name(struct brcmf_fws_info *fws, - struct brcmf_fws_mac_descriptor *desc) -{ - if (desc == &fws->desc.other) - strlcpy(desc->name, "MAC-OTHER", sizeof(desc->name)); - else if (desc->mac_handle) - scnprintf(desc->name, sizeof(desc->name), "MAC-%d:%d", - desc->mac_handle, desc->interface_id); - else - scnprintf(desc->name, sizeof(desc->name), "MACIF:%d", - desc->interface_id); -} - -static void brcmf_fws_macdesc_init(struct brcmf_fws_mac_descriptor *desc, - u8 *addr, u8 ifidx) -{ - brcmf_dbg(TRACE, - "enter: desc %p ea=%pM, ifidx=%u\n", desc, addr, ifidx); - desc->occupied = 1; - desc->state = BRCMF_FWS_STATE_OPEN; - desc->requested_credit = 0; - desc->requested_packet = 0; - /* depending on use may need ifp->bssidx instead */ - desc->interface_id = ifidx; - desc->ac_bitmap = 0xff; /* update this when handling APSD */ - if (addr) - memcpy(&desc->ea[0], addr, ETH_ALEN); -} - -static -void brcmf_fws_macdesc_deinit(struct brcmf_fws_mac_descriptor *desc) -{ - brcmf_dbg(TRACE, - "enter: ea=%pM, ifidx=%u\n", desc->ea, desc->interface_id); - desc->occupied = 0; - desc->state = BRCMF_FWS_STATE_CLOSE; - desc->requested_credit = 0; - desc->requested_packet = 0; -} - -static struct brcmf_fws_mac_descriptor * -brcmf_fws_macdesc_lookup(struct brcmf_fws_info *fws, u8 *ea) -{ - struct brcmf_fws_mac_descriptor *entry; - int i; - - if (ea == NULL) - return ERR_PTR(-EINVAL); - - entry = &fws->desc.nodes[0]; - for (i = 0; i < ARRAY_SIZE(fws->desc.nodes); i++) { - if (entry->occupied && !memcmp(entry->ea, ea, ETH_ALEN)) - return entry; - entry++; - } - - return ERR_PTR(-ENOENT); -} - -static struct brcmf_fws_mac_descriptor* -brcmf_fws_macdesc_find(struct brcmf_fws_info *fws, struct brcmf_if *ifp, u8 *da) -{ - struct brcmf_fws_mac_descriptor *entry = &fws->desc.other; - bool multicast; - - multicast = is_multicast_ether_addr(da); - - /* Multicast destination, STA and P2P clients get the interface entry. - * STA/GC gets the Mac Entry for TDLS destinations, TDLS destinations - * have their own entry. - */ - if (multicast && ifp->fws_desc) { - entry = ifp->fws_desc; - goto done; - } - - entry = brcmf_fws_macdesc_lookup(fws, da); - if (IS_ERR(entry)) - entry = ifp->fws_desc; - -done: - return entry; -} - -static bool brcmf_fws_macdesc_closed(struct brcmf_fws_info *fws, - struct brcmf_fws_mac_descriptor *entry, - int fifo) -{ - struct brcmf_fws_mac_descriptor *if_entry; - bool closed; - - /* for unique destination entries the related interface - * may be closed. - */ - if (entry->mac_handle) { - if_entry = &fws->desc.iface[entry->interface_id]; - if (if_entry->state == BRCMF_FWS_STATE_CLOSE) - return true; - } - /* an entry is closed when the state is closed and - * the firmware did not request anything. - */ - closed = entry->state == BRCMF_FWS_STATE_CLOSE && - !entry->requested_credit && !entry->requested_packet; - - /* Or firmware does not allow traffic for given fifo */ - return closed || !(entry->ac_bitmap & BIT(fifo)); -} - -static void brcmf_fws_macdesc_cleanup(struct brcmf_fws_info *fws, - struct brcmf_fws_mac_descriptor *entry, - int ifidx) -{ - if (entry->occupied && (ifidx == -1 || ifidx == entry->interface_id)) { - brcmf_fws_psq_flush(fws, &entry->psq, ifidx); - entry->occupied = !!(entry->psq.len); - } -} - -static void brcmf_fws_bus_txq_cleanup(struct brcmf_fws_info *fws, - bool (*fn)(struct sk_buff *, void *), - int ifidx) -{ - struct brcmf_fws_hanger_item *hi; - struct pktq *txq; - struct sk_buff *skb; - int prec; - u32 hslot; - - txq = brcmf_bus_gettxq(fws->drvr->bus_if); - if (IS_ERR(txq)) { - brcmf_dbg(TRACE, "no txq to clean up\n"); - return; - } - - for (prec = 0; prec < txq->num_prec; prec++) { - skb = brcmu_pktq_pdeq_match(txq, prec, fn, &ifidx); - while (skb) { - hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); - hi = &fws->hanger.items[hslot]; - WARN_ON(skb != hi->pkt); - hi->state = BRCMF_FWS_HANGER_ITEM_STATE_FREE; - brcmu_pkt_buf_free_skb(skb); - skb = brcmu_pktq_pdeq_match(txq, prec, fn, &ifidx); - } - } -} - -static void brcmf_fws_cleanup(struct brcmf_fws_info *fws, int ifidx) -{ - int i; - struct brcmf_fws_mac_descriptor *table; - bool (*matchfn)(struct sk_buff *, void *) = NULL; - - if (fws == NULL) - return; - - if (ifidx != -1) - matchfn = brcmf_fws_ifidx_match; - - /* cleanup individual nodes */ - table = &fws->desc.nodes[0]; - for (i = 0; i < ARRAY_SIZE(fws->desc.nodes); i++) - brcmf_fws_macdesc_cleanup(fws, &table[i], ifidx); - - brcmf_fws_macdesc_cleanup(fws, &fws->desc.other, ifidx); - brcmf_fws_bus_txq_cleanup(fws, matchfn, ifidx); - brcmf_fws_hanger_cleanup(fws, matchfn, ifidx); -} - -static u8 brcmf_fws_hdrpush(struct brcmf_fws_info *fws, struct sk_buff *skb) -{ - struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; - u8 *wlh; - u16 data_offset = 0; - u8 fillers; - __le32 pkttag = cpu_to_le32(brcmf_skbcb(skb)->htod); - __le16 pktseq = cpu_to_le16(brcmf_skbcb(skb)->htod_seq); - - brcmf_dbg(TRACE, "enter: %s, idx=%d hslot=%d htod %X seq %X\n", - entry->name, brcmf_skb_if_flags_get_field(skb, INDEX), - (le32_to_cpu(pkttag) >> 8) & 0xffff, - brcmf_skbcb(skb)->htod, brcmf_skbcb(skb)->htod_seq); - if (entry->send_tim_signal) - data_offset += 2 + BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN; - if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) - data_offset += BRCMF_FWS_TYPE_SEQ_LEN; - /* +2 is for Type[1] and Len[1] in TLV, plus TIM signal */ - data_offset += 2 + BRCMF_FWS_TYPE_PKTTAG_LEN; - fillers = round_up(data_offset, 4) - data_offset; - data_offset += fillers; - - skb_push(skb, data_offset); - wlh = skb->data; - - wlh[0] = BRCMF_FWS_TYPE_PKTTAG; - wlh[1] = BRCMF_FWS_TYPE_PKTTAG_LEN; - memcpy(&wlh[2], &pkttag, sizeof(pkttag)); - if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) { - wlh[1] += BRCMF_FWS_TYPE_SEQ_LEN; - memcpy(&wlh[2 + BRCMF_FWS_TYPE_PKTTAG_LEN], &pktseq, - sizeof(pktseq)); - } - wlh += wlh[1] + 2; - - if (entry->send_tim_signal) { - entry->send_tim_signal = 0; - wlh[0] = BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP; - wlh[1] = BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN; - wlh[2] = entry->mac_handle; - wlh[3] = entry->traffic_pending_bmp; - brcmf_dbg(TRACE, "adding TIM info: handle %d bmp 0x%X\n", - entry->mac_handle, entry->traffic_pending_bmp); - wlh += BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN + 2; - entry->traffic_lastreported_bmp = entry->traffic_pending_bmp; - } - if (fillers) - memset(wlh, BRCMF_FWS_TYPE_FILLER, fillers); - - return (u8)(data_offset >> 2); -} - -static bool brcmf_fws_tim_update(struct brcmf_fws_info *fws, - struct brcmf_fws_mac_descriptor *entry, - int fifo, bool send_immediately) -{ - struct sk_buff *skb; - struct brcmf_skbuff_cb *skcb; - s32 err; - u32 len; - u8 data_offset; - int ifidx; - - /* check delayedQ and suppressQ in one call using bitmap */ - if (brcmu_pktq_mlen(&entry->psq, 3 << (fifo * 2)) == 0) - entry->traffic_pending_bmp &= ~NBITVAL(fifo); - else - entry->traffic_pending_bmp |= NBITVAL(fifo); - - entry->send_tim_signal = false; - if (entry->traffic_lastreported_bmp != entry->traffic_pending_bmp) - entry->send_tim_signal = true; - if (send_immediately && entry->send_tim_signal && - entry->state == BRCMF_FWS_STATE_CLOSE) { - /* create a dummy packet and sent that. The traffic */ - /* bitmap info will automatically be attached to that packet */ - len = BRCMF_FWS_TYPE_PKTTAG_LEN + 2 + - BRCMF_FWS_TYPE_SEQ_LEN + - BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP_LEN + 2 + - 4 + fws->drvr->hdrlen; - skb = brcmu_pkt_buf_get_skb(len); - if (skb == NULL) - return false; - skb_pull(skb, len); - skcb = brcmf_skbcb(skb); - skcb->mac = entry; - skcb->state = BRCMF_FWS_SKBSTATE_TIM; - skcb->htod = 0; - skcb->htod_seq = 0; - data_offset = brcmf_fws_hdrpush(fws, skb); - ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); - brcmf_fws_unlock(fws); - err = brcmf_proto_txdata(fws->drvr, ifidx, data_offset, skb); - brcmf_fws_lock(fws); - if (err) - brcmu_pkt_buf_free_skb(skb); - return true; - } - return false; -} - -static void -brcmf_fws_flow_control_check(struct brcmf_fws_info *fws, struct pktq *pq, - u8 if_id) -{ - struct brcmf_if *ifp = brcmf_get_ifp(fws->drvr, if_id); - - if (WARN_ON(!ifp)) - return; - - if ((ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) && - pq->len <= BRCMF_FWS_FLOWCONTROL_LOWATER) - brcmf_txflowblock_if(ifp, - BRCMF_NETIF_STOP_REASON_FWS_FC, false); - if (!(ifp->netif_stop & BRCMF_NETIF_STOP_REASON_FWS_FC) && - pq->len >= BRCMF_FWS_FLOWCONTROL_HIWATER) { - fws->stats.fws_flow_block++; - brcmf_txflowblock_if(ifp, BRCMF_NETIF_STOP_REASON_FWS_FC, true); - } - return; -} - -static int brcmf_fws_rssi_indicate(struct brcmf_fws_info *fws, s8 rssi) -{ - brcmf_dbg(CTL, "rssi %d\n", rssi); - return 0; -} - -static -int brcmf_fws_macdesc_indicate(struct brcmf_fws_info *fws, u8 type, u8 *data) -{ - struct brcmf_fws_mac_descriptor *entry, *existing; - u8 mac_handle; - u8 ifidx; - u8 *addr; - - mac_handle = *data++; - ifidx = *data++; - addr = data; - - entry = &fws->desc.nodes[mac_handle & 0x1F]; - if (type == BRCMF_FWS_TYPE_MACDESC_DEL) { - if (entry->occupied) { - brcmf_dbg(TRACE, "deleting %s mac %pM\n", - entry->name, addr); - brcmf_fws_lock(fws); - brcmf_fws_macdesc_cleanup(fws, entry, -1); - brcmf_fws_macdesc_deinit(entry); - brcmf_fws_unlock(fws); - } else - fws->stats.mac_update_failed++; - return 0; - } - - existing = brcmf_fws_macdesc_lookup(fws, addr); - if (IS_ERR(existing)) { - if (!entry->occupied) { - brcmf_fws_lock(fws); - entry->mac_handle = mac_handle; - brcmf_fws_macdesc_init(entry, addr, ifidx); - brcmf_fws_macdesc_set_name(fws, entry); - brcmu_pktq_init(&entry->psq, BRCMF_FWS_PSQ_PREC_COUNT, - BRCMF_FWS_PSQ_LEN); - brcmf_fws_unlock(fws); - brcmf_dbg(TRACE, "add %s mac %pM\n", entry->name, addr); - } else { - fws->stats.mac_update_failed++; - } - } else { - if (entry != existing) { - brcmf_dbg(TRACE, "copy mac %s\n", existing->name); - brcmf_fws_lock(fws); - memcpy(entry, existing, - offsetof(struct brcmf_fws_mac_descriptor, psq)); - entry->mac_handle = mac_handle; - brcmf_fws_macdesc_deinit(existing); - brcmf_fws_macdesc_set_name(fws, entry); - brcmf_fws_unlock(fws); - brcmf_dbg(TRACE, "relocate %s mac %pM\n", entry->name, - addr); - } else { - brcmf_dbg(TRACE, "use existing\n"); - WARN_ON(entry->mac_handle != mac_handle); - /* TODO: what should we do here: continue, reinit, .. */ - } - } - return 0; -} - -static int brcmf_fws_macdesc_state_indicate(struct brcmf_fws_info *fws, - u8 type, u8 *data) -{ - struct brcmf_fws_mac_descriptor *entry; - u8 mac_handle; - int ret; - - mac_handle = data[0]; - entry = &fws->desc.nodes[mac_handle & 0x1F]; - if (!entry->occupied) { - fws->stats.mac_ps_update_failed++; - return -ESRCH; - } - brcmf_fws_lock(fws); - /* a state update should wipe old credits */ - entry->requested_credit = 0; - entry->requested_packet = 0; - if (type == BRCMF_FWS_TYPE_MAC_OPEN) { - entry->state = BRCMF_FWS_STATE_OPEN; - ret = BRCMF_FWS_RET_OK_SCHEDULE; - } else { - entry->state = BRCMF_FWS_STATE_CLOSE; - brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_BK, false); - brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_BE, false); - brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_VI, false); - brcmf_fws_tim_update(fws, entry, BRCMF_FWS_FIFO_AC_VO, true); - ret = BRCMF_FWS_RET_OK_NOSCHEDULE; - } - brcmf_fws_unlock(fws); - return ret; -} - -static int brcmf_fws_interface_state_indicate(struct brcmf_fws_info *fws, - u8 type, u8 *data) -{ - struct brcmf_fws_mac_descriptor *entry; - u8 ifidx; - int ret; - - ifidx = data[0]; - - if (ifidx >= BRCMF_MAX_IFS) { - ret = -ERANGE; - goto fail; - } - - entry = &fws->desc.iface[ifidx]; - if (!entry->occupied) { - ret = -ESRCH; - goto fail; - } - - brcmf_dbg(TRACE, "%s (%d): %s\n", brcmf_fws_get_tlv_name(type), type, - entry->name); - brcmf_fws_lock(fws); - switch (type) { - case BRCMF_FWS_TYPE_INTERFACE_OPEN: - entry->state = BRCMF_FWS_STATE_OPEN; - ret = BRCMF_FWS_RET_OK_SCHEDULE; - break; - case BRCMF_FWS_TYPE_INTERFACE_CLOSE: - entry->state = BRCMF_FWS_STATE_CLOSE; - ret = BRCMF_FWS_RET_OK_NOSCHEDULE; - break; - default: - ret = -EINVAL; - brcmf_fws_unlock(fws); - goto fail; - } - brcmf_fws_unlock(fws); - return ret; - -fail: - fws->stats.if_update_failed++; - return ret; -} - -static int brcmf_fws_request_indicate(struct brcmf_fws_info *fws, u8 type, - u8 *data) -{ - struct brcmf_fws_mac_descriptor *entry; - - entry = &fws->desc.nodes[data[1] & 0x1F]; - if (!entry->occupied) { - if (type == BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT) - fws->stats.credit_request_failed++; - else - fws->stats.packet_request_failed++; - return -ESRCH; - } - - brcmf_dbg(TRACE, "%s (%d): %s cnt %d bmp %d\n", - brcmf_fws_get_tlv_name(type), type, entry->name, - data[0], data[2]); - brcmf_fws_lock(fws); - if (type == BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT) - entry->requested_credit = data[0]; - else - entry->requested_packet = data[0]; - - entry->ac_bitmap = data[2]; - brcmf_fws_unlock(fws); - return BRCMF_FWS_RET_OK_SCHEDULE; -} - -static void -brcmf_fws_macdesc_use_req_credit(struct brcmf_fws_mac_descriptor *entry, - struct sk_buff *skb) -{ - if (entry->requested_credit > 0) { - entry->requested_credit--; - brcmf_skb_if_flags_set_field(skb, REQUESTED, 1); - brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 1); - if (entry->state != BRCMF_FWS_STATE_CLOSE) - brcmf_err("requested credit set while mac not closed!\n"); - } else if (entry->requested_packet > 0) { - entry->requested_packet--; - brcmf_skb_if_flags_set_field(skb, REQUESTED, 1); - brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 0); - if (entry->state != BRCMF_FWS_STATE_CLOSE) - brcmf_err("requested packet set while mac not closed!\n"); - } else { - brcmf_skb_if_flags_set_field(skb, REQUESTED, 0); - brcmf_skb_if_flags_set_field(skb, REQ_CREDIT, 0); - } -} - -static void brcmf_fws_macdesc_return_req_credit(struct sk_buff *skb) -{ - struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; - - if ((brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) && - (entry->state == BRCMF_FWS_STATE_CLOSE)) - entry->requested_credit++; -} - -static void brcmf_fws_return_credits(struct brcmf_fws_info *fws, - u8 fifo, u8 credits) -{ - int lender_ac; - int *borrowed; - int *fifo_credit; - - if (!credits) - return; - - fws->fifo_credit_map |= 1 << fifo; - - if ((fifo == BRCMF_FWS_FIFO_AC_BE) && - (fws->credits_borrowed[0])) { - for (lender_ac = BRCMF_FWS_FIFO_AC_VO; lender_ac >= 0; - lender_ac--) { - borrowed = &fws->credits_borrowed[lender_ac]; - if (*borrowed) { - fws->fifo_credit_map |= (1 << lender_ac); - fifo_credit = &fws->fifo_credit[lender_ac]; - if (*borrowed >= credits) { - *borrowed -= credits; - *fifo_credit += credits; - return; - } else { - credits -= *borrowed; - *fifo_credit += *borrowed; - *borrowed = 0; - } - } - } - } - - fws->fifo_credit[fifo] += credits; -} - -static void brcmf_fws_schedule_deq(struct brcmf_fws_info *fws) -{ - /* only schedule dequeue when there are credits for delayed traffic */ - if ((fws->fifo_credit_map & fws->fifo_delay_map) || - (!brcmf_fws_fc_active(fws) && fws->fifo_delay_map)) - queue_work(fws->fws_wq, &fws->fws_dequeue_work); -} - -static int brcmf_fws_enq(struct brcmf_fws_info *fws, - enum brcmf_fws_skb_state state, int fifo, - struct sk_buff *p) -{ - int prec = 2 * fifo; - u32 *qfull_stat = &fws->stats.delayq_full_error; - struct brcmf_fws_mac_descriptor *entry; - struct pktq *pq; - struct sk_buff_head *queue; - struct sk_buff *p_head; - struct sk_buff *p_tail; - u32 fr_new; - u32 fr_compare; - - entry = brcmf_skbcb(p)->mac; - if (entry == NULL) { - brcmf_err("no mac descriptor found for skb %p\n", p); - return -ENOENT; - } - - brcmf_dbg(DATA, "enter: fifo %d skb %p\n", fifo, p); - if (state == BRCMF_FWS_SKBSTATE_SUPPRESSED) { - prec += 1; - qfull_stat = &fws->stats.supprq_full_error; - - /* Fix out of order delivery of frames. Dont assume frame */ - /* can be inserted at the end, but look for correct position */ - pq = &entry->psq; - if (pktq_full(pq) || pktq_pfull(pq, prec)) { - *qfull_stat += 1; - return -ENFILE; - } - queue = &pq->q[prec].skblist; - - p_head = skb_peek(queue); - p_tail = skb_peek_tail(queue); - fr_new = brcmf_skb_htod_tag_get_field(p, FREERUN); - - while (p_head != p_tail) { - fr_compare = brcmf_skb_htod_tag_get_field(p_tail, - FREERUN); - /* be sure to handle wrap of 256 */ - if (((fr_new > fr_compare) && - ((fr_new - fr_compare) < 128)) || - ((fr_new < fr_compare) && - ((fr_compare - fr_new) > 128))) - break; - p_tail = skb_queue_prev(queue, p_tail); - } - /* Position found. Determine what to do */ - if (p_tail == NULL) { - /* empty list */ - __skb_queue_tail(queue, p); - } else { - fr_compare = brcmf_skb_htod_tag_get_field(p_tail, - FREERUN); - if (((fr_new > fr_compare) && - ((fr_new - fr_compare) < 128)) || - ((fr_new < fr_compare) && - ((fr_compare - fr_new) > 128))) { - /* After tail */ - __skb_queue_after(queue, p_tail, p); - } else { - /* Before tail */ - __skb_insert(p, p_tail->prev, p_tail, queue); - } - } - - /* Complete the counters and statistics */ - pq->len++; - if (pq->hi_prec < prec) - pq->hi_prec = (u8) prec; - } else if (brcmu_pktq_penq(&entry->psq, prec, p) == NULL) { - *qfull_stat += 1; - return -ENFILE; - } - - /* increment total enqueued packet count */ - fws->fifo_delay_map |= 1 << fifo; - fws->fifo_enqpkt[fifo]++; - - /* update the sk_buff state */ - brcmf_skbcb(p)->state = state; - - /* - * A packet has been pushed so update traffic - * availability bitmap, if applicable - */ - brcmf_fws_tim_update(fws, entry, fifo, true); - brcmf_fws_flow_control_check(fws, &entry->psq, - brcmf_skb_if_flags_get_field(p, INDEX)); - return 0; -} - -static struct sk_buff *brcmf_fws_deq(struct brcmf_fws_info *fws, int fifo) -{ - struct brcmf_fws_mac_descriptor *table; - struct brcmf_fws_mac_descriptor *entry; - struct sk_buff *p; - int num_nodes; - int node_pos; - int prec_out; - int pmsk; - int i; - - table = (struct brcmf_fws_mac_descriptor *)&fws->desc; - num_nodes = sizeof(fws->desc) / sizeof(struct brcmf_fws_mac_descriptor); - node_pos = fws->deq_node_pos[fifo]; - - for (i = 0; i < num_nodes; i++) { - entry = &table[(node_pos + i) % num_nodes]; - if (!entry->occupied || - brcmf_fws_macdesc_closed(fws, entry, fifo)) - continue; - - if (entry->suppressed) - pmsk = 2; - else - pmsk = 3; - p = brcmu_pktq_mdeq(&entry->psq, pmsk << (fifo * 2), &prec_out); - if (p == NULL) { - if (entry->suppressed) { - if (entry->suppr_transit_count) - continue; - entry->suppressed = false; - p = brcmu_pktq_mdeq(&entry->psq, - 1 << (fifo * 2), &prec_out); - } - } - if (p == NULL) - continue; - - brcmf_fws_macdesc_use_req_credit(entry, p); - - /* move dequeue position to ensure fair round-robin */ - fws->deq_node_pos[fifo] = (node_pos + i + 1) % num_nodes; - brcmf_fws_flow_control_check(fws, &entry->psq, - brcmf_skb_if_flags_get_field(p, - INDEX) - ); - /* - * A packet has been picked up, update traffic - * availability bitmap, if applicable - */ - brcmf_fws_tim_update(fws, entry, fifo, false); - - /* - * decrement total enqueued fifo packets and - * clear delay bitmap if done. - */ - fws->fifo_enqpkt[fifo]--; - if (fws->fifo_enqpkt[fifo] == 0) - fws->fifo_delay_map &= ~(1 << fifo); - goto done; - } - p = NULL; -done: - brcmf_dbg(DATA, "exit: fifo %d skb %p\n", fifo, p); - return p; -} - -static int brcmf_fws_txstatus_suppressed(struct brcmf_fws_info *fws, int fifo, - struct sk_buff *skb, - u32 genbit, u16 seq) -{ - struct brcmf_fws_mac_descriptor *entry = brcmf_skbcb(skb)->mac; - u32 hslot; - int ret; - - hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); - - /* this packet was suppressed */ - if (!entry->suppressed) { - entry->suppressed = true; - entry->suppr_transit_count = entry->transit_count; - brcmf_dbg(DATA, "suppress %s: transit %d\n", - entry->name, entry->transit_count); - } - - entry->generation = genbit; - - brcmf_skb_htod_tag_set_field(skb, GENERATION, genbit); - brcmf_skbcb(skb)->htod_seq = seq; - if (brcmf_skb_htod_seq_get_field(skb, FROMFW)) { - brcmf_skb_htod_seq_set_field(skb, FROMDRV, 1); - brcmf_skb_htod_seq_set_field(skb, FROMFW, 0); - } else { - brcmf_skb_htod_seq_set_field(skb, FROMDRV, 0); - } - ret = brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_SUPPRESSED, fifo, skb); - - if (ret != 0) { - /* suppress q is full drop this packet */ - brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb, true); - } else { - /* Mark suppressed to avoid a double free during wlfc cleanup */ - brcmf_fws_hanger_mark_suppressed(&fws->hanger, hslot); - } - - return ret; -} - -static int -brcmf_fws_txs_process(struct brcmf_fws_info *fws, u8 flags, u32 hslot, - u32 genbit, u16 seq) -{ - u32 fifo; - int ret; - bool remove_from_hanger = true; - struct sk_buff *skb; - struct brcmf_skbuff_cb *skcb; - struct brcmf_fws_mac_descriptor *entry = NULL; - struct brcmf_if *ifp; - - brcmf_dbg(DATA, "flags %d\n", flags); - - if (flags == BRCMF_FWS_TXSTATUS_DISCARD) - fws->stats.txs_discard++; - else if (flags == BRCMF_FWS_TXSTATUS_CORE_SUPPRESS) { - fws->stats.txs_supp_core++; - remove_from_hanger = false; - } else if (flags == BRCMF_FWS_TXSTATUS_FW_PS_SUPPRESS) { - fws->stats.txs_supp_ps++; - remove_from_hanger = false; - } else if (flags == BRCMF_FWS_TXSTATUS_FW_TOSSED) - fws->stats.txs_tossed++; - else if (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED) - fws->stats.txs_host_tossed++; - else - brcmf_err("unexpected txstatus\n"); - - ret = brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb, - remove_from_hanger); - if (ret != 0) { - brcmf_err("no packet in hanger slot: hslot=%d\n", hslot); - return ret; - } - - skcb = brcmf_skbcb(skb); - entry = skcb->mac; - if (WARN_ON(!entry)) { - brcmu_pkt_buf_free_skb(skb); - return -EINVAL; - } - entry->transit_count--; - if (entry->suppressed && entry->suppr_transit_count) - entry->suppr_transit_count--; - - brcmf_dbg(DATA, "%s flags %d htod %X seq %X\n", entry->name, flags, - skcb->htod, seq); - - /* pick up the implicit credit from this packet */ - fifo = brcmf_skb_htod_tag_get_field(skb, FIFO); - if ((fws->fcmode == BRCMF_FWS_FCMODE_IMPLIED_CREDIT) || - (brcmf_skb_if_flags_get_field(skb, REQ_CREDIT)) || - (flags == BRCMF_FWS_TXSTATUS_HOST_TOSSED)) { - brcmf_fws_return_credits(fws, fifo, 1); - brcmf_fws_schedule_deq(fws); - } - brcmf_fws_macdesc_return_req_credit(skb); - - ret = brcmf_proto_hdrpull(fws->drvr, false, skb, &ifp); - if (ret) { - brcmu_pkt_buf_free_skb(skb); - return -EINVAL; - } - if (!remove_from_hanger) - ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb, - genbit, seq); - if (remove_from_hanger || ret) - brcmf_txfinalize(ifp, skb, true); - - return 0; -} - -static int brcmf_fws_fifocreditback_indicate(struct brcmf_fws_info *fws, - u8 *data) -{ - int i; - - if (fws->fcmode != BRCMF_FWS_FCMODE_EXPLICIT_CREDIT) { - brcmf_dbg(INFO, "ignored\n"); - return BRCMF_FWS_RET_OK_NOSCHEDULE; - } - - brcmf_dbg(DATA, "enter: data %pM\n", data); - brcmf_fws_lock(fws); - for (i = 0; i < BRCMF_FWS_FIFO_COUNT; i++) - brcmf_fws_return_credits(fws, i, data[i]); - - brcmf_dbg(DATA, "map: credit %x delay %x\n", fws->fifo_credit_map, - fws->fifo_delay_map); - brcmf_fws_unlock(fws); - return BRCMF_FWS_RET_OK_SCHEDULE; -} - -static int brcmf_fws_txstatus_indicate(struct brcmf_fws_info *fws, u8 *data) -{ - __le32 status_le; - __le16 seq_le; - u32 status; - u32 hslot; - u32 genbit; - u8 flags; - u16 seq; - - fws->stats.txs_indicate++; - memcpy(&status_le, data, sizeof(status_le)); - status = le32_to_cpu(status_le); - flags = brcmf_txstatus_get_field(status, FLAGS); - hslot = brcmf_txstatus_get_field(status, HSLOT); - genbit = brcmf_txstatus_get_field(status, GENERATION); - if (BRCMF_FWS_MODE_GET_REUSESEQ(fws->mode)) { - memcpy(&seq_le, &data[BRCMF_FWS_TYPE_PKTTAG_LEN], - sizeof(seq_le)); - seq = le16_to_cpu(seq_le); - } else { - seq = 0; - } - - brcmf_fws_lock(fws); - brcmf_fws_txs_process(fws, flags, hslot, genbit, seq); - brcmf_fws_unlock(fws); - return BRCMF_FWS_RET_OK_NOSCHEDULE; -} - -static int brcmf_fws_dbg_seqnum_check(struct brcmf_fws_info *fws, u8 *data) -{ - __le32 timestamp; - - memcpy(×tamp, &data[2], sizeof(timestamp)); - brcmf_dbg(CTL, "received: seq %d, timestamp %d\n", data[1], - le32_to_cpu(timestamp)); - return 0; -} - -static int brcmf_fws_notify_credit_map(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_fws_info *fws = ifp->drvr->fws; - int i; - u8 *credits = data; - - if (e->datalen < BRCMF_FWS_FIFO_COUNT) { - brcmf_err("event payload too small (%d)\n", e->datalen); - return -EINVAL; - } - if (fws->creditmap_received) - return 0; - - fws->creditmap_received = true; - - brcmf_dbg(TRACE, "enter: credits %pM\n", credits); - brcmf_fws_lock(fws); - for (i = 0; i < ARRAY_SIZE(fws->fifo_credit); i++) { - if (*credits) - fws->fifo_credit_map |= 1 << i; - else - fws->fifo_credit_map &= ~(1 << i); - fws->fifo_credit[i] = *credits++; - } - brcmf_fws_schedule_deq(fws); - brcmf_fws_unlock(fws); - return 0; -} - -static int brcmf_fws_notify_bcmc_credit_support(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_fws_info *fws = ifp->drvr->fws; - - brcmf_fws_lock(fws); - if (fws) - fws->bcmc_credit_check = true; - brcmf_fws_unlock(fws); - return 0; -} - -void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb) -{ - struct brcmf_skb_reorder_data *rd; - struct brcmf_fws_info *fws = ifp->drvr->fws; - u8 *signal_data; - s16 data_len; - u8 type; - u8 len; - u8 *data; - s32 status; - s32 err; - - brcmf_dbg(HDRS, "enter: ifidx %d, skblen %u, sig %d\n", - ifp->ifidx, skb->len, siglen); - - WARN_ON(siglen > skb->len); - - if (!siglen) - return; - /* if flow control disabled, skip to packet data and leave */ - if ((!fws) || (!fws->fw_signals)) { - skb_pull(skb, siglen); - return; - } - - fws->stats.header_pulls++; - data_len = siglen; - signal_data = skb->data; - - status = BRCMF_FWS_RET_OK_NOSCHEDULE; - while (data_len > 0) { - /* extract tlv info */ - type = signal_data[0]; - - /* FILLER type is actually not a TLV, but - * a single byte that can be skipped. - */ - if (type == BRCMF_FWS_TYPE_FILLER) { - signal_data += 1; - data_len -= 1; - continue; - } - len = signal_data[1]; - data = signal_data + 2; - - brcmf_dbg(HDRS, "tlv type=%s (%d), len=%d (%d)\n", - brcmf_fws_get_tlv_name(type), type, len, - brcmf_fws_get_tlv_len(fws, type)); - - /* abort parsing when length invalid */ - if (data_len < len + 2) - break; - - if (len < brcmf_fws_get_tlv_len(fws, type)) - break; - - err = BRCMF_FWS_RET_OK_NOSCHEDULE; - switch (type) { - case BRCMF_FWS_TYPE_COMP_TXSTATUS: - break; - case BRCMF_FWS_TYPE_HOST_REORDER_RXPKTS: - rd = (struct brcmf_skb_reorder_data *)skb->cb; - rd->reorder = data; - break; - case BRCMF_FWS_TYPE_MACDESC_ADD: - case BRCMF_FWS_TYPE_MACDESC_DEL: - brcmf_fws_macdesc_indicate(fws, type, data); - break; - case BRCMF_FWS_TYPE_MAC_OPEN: - case BRCMF_FWS_TYPE_MAC_CLOSE: - err = brcmf_fws_macdesc_state_indicate(fws, type, data); - break; - case BRCMF_FWS_TYPE_INTERFACE_OPEN: - case BRCMF_FWS_TYPE_INTERFACE_CLOSE: - err = brcmf_fws_interface_state_indicate(fws, type, - data); - break; - case BRCMF_FWS_TYPE_MAC_REQUEST_CREDIT: - case BRCMF_FWS_TYPE_MAC_REQUEST_PACKET: - err = brcmf_fws_request_indicate(fws, type, data); - break; - case BRCMF_FWS_TYPE_TXSTATUS: - brcmf_fws_txstatus_indicate(fws, data); - break; - case BRCMF_FWS_TYPE_FIFO_CREDITBACK: - err = brcmf_fws_fifocreditback_indicate(fws, data); - break; - case BRCMF_FWS_TYPE_RSSI: - brcmf_fws_rssi_indicate(fws, *data); - break; - case BRCMF_FWS_TYPE_TRANS_ID: - brcmf_fws_dbg_seqnum_check(fws, data); - break; - case BRCMF_FWS_TYPE_PKTTAG: - case BRCMF_FWS_TYPE_PENDING_TRAFFIC_BMP: - default: - fws->stats.tlv_invalid_type++; - break; - } - if (err == BRCMF_FWS_RET_OK_SCHEDULE) - status = BRCMF_FWS_RET_OK_SCHEDULE; - signal_data += len + 2; - data_len -= len + 2; - } - - if (data_len != 0) - fws->stats.tlv_parse_failed++; - - if (status == BRCMF_FWS_RET_OK_SCHEDULE) - brcmf_fws_schedule_deq(fws); - - /* signalling processing result does - * not affect the actual ethernet packet. - */ - skb_pull(skb, siglen); - - /* this may be a signal-only packet - */ - if (skb->len == 0) - fws->stats.header_only_pkt++; -} - -static u8 brcmf_fws_precommit_skb(struct brcmf_fws_info *fws, int fifo, - struct sk_buff *p) -{ - struct brcmf_skbuff_cb *skcb = brcmf_skbcb(p); - struct brcmf_fws_mac_descriptor *entry = skcb->mac; - u8 flags; - - if (skcb->state != BRCMF_FWS_SKBSTATE_SUPPRESSED) - brcmf_skb_htod_tag_set_field(p, GENERATION, entry->generation); - flags = BRCMF_FWS_HTOD_FLAG_PKTFROMHOST; - if (brcmf_skb_if_flags_get_field(p, REQUESTED)) { - /* - * Indicate that this packet is being sent in response to an - * explicit request from the firmware side. - */ - flags |= BRCMF_FWS_HTOD_FLAG_PKT_REQUESTED; - } - brcmf_skb_htod_tag_set_field(p, FLAGS, flags); - return brcmf_fws_hdrpush(fws, p); -} - -static void brcmf_fws_rollback_toq(struct brcmf_fws_info *fws, - struct sk_buff *skb, int fifo) -{ - struct brcmf_fws_mac_descriptor *entry; - struct sk_buff *pktout; - int qidx, hslot; - int rc = 0; - - entry = brcmf_skbcb(skb)->mac; - if (entry->occupied) { - qidx = 2 * fifo; - if (brcmf_skbcb(skb)->state == BRCMF_FWS_SKBSTATE_SUPPRESSED) - qidx++; - - pktout = brcmu_pktq_penq_head(&entry->psq, qidx, skb); - if (pktout == NULL) { - brcmf_err("%s queue %d full\n", entry->name, qidx); - rc = -ENOSPC; - } - } else { - brcmf_err("%s entry removed\n", entry->name); - rc = -ENOENT; - } - - if (rc) { - fws->stats.rollback_failed++; - hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); - brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, - hslot, 0, 0); - } else { - fws->stats.rollback_success++; - brcmf_fws_return_credits(fws, fifo, 1); - brcmf_fws_macdesc_return_req_credit(skb); - } -} - -static int brcmf_fws_borrow_credit(struct brcmf_fws_info *fws) -{ - int lender_ac; - - if (time_after(fws->borrow_defer_timestamp, jiffies)) { - fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); - return -ENAVAIL; - } - - for (lender_ac = 0; lender_ac <= BRCMF_FWS_FIFO_AC_VO; lender_ac++) { - if (fws->fifo_credit[lender_ac]) { - fws->credits_borrowed[lender_ac]++; - fws->fifo_credit[lender_ac]--; - if (fws->fifo_credit[lender_ac] == 0) - fws->fifo_credit_map &= ~(1 << lender_ac); - fws->fifo_credit_map |= (1 << BRCMF_FWS_FIFO_AC_BE); - brcmf_dbg(DATA, "borrow credit from: %d\n", lender_ac); - return 0; - } - } - fws->fifo_credit_map &= ~(1 << BRCMF_FWS_FIFO_AC_BE); - return -ENAVAIL; -} - -static int brcmf_fws_commit_skb(struct brcmf_fws_info *fws, int fifo, - struct sk_buff *skb) -{ - struct brcmf_skbuff_cb *skcb = brcmf_skbcb(skb); - struct brcmf_fws_mac_descriptor *entry; - int rc; - u8 ifidx; - u8 data_offset; - - entry = skcb->mac; - if (IS_ERR(entry)) - return PTR_ERR(entry); - - data_offset = brcmf_fws_precommit_skb(fws, fifo, skb); - entry->transit_count++; - if (entry->suppressed) - entry->suppr_transit_count++; - ifidx = brcmf_skb_if_flags_get_field(skb, INDEX); - brcmf_fws_unlock(fws); - rc = brcmf_proto_txdata(fws->drvr, ifidx, data_offset, skb); - brcmf_fws_lock(fws); - brcmf_dbg(DATA, "%s flags %X htod %X bus_tx %d\n", entry->name, - skcb->if_flags, skcb->htod, rc); - if (rc < 0) { - entry->transit_count--; - if (entry->suppressed) - entry->suppr_transit_count--; - (void)brcmf_proto_hdrpull(fws->drvr, false, skb, NULL); - goto rollback; - } - - fws->stats.pkt2bus++; - fws->stats.send_pkts[fifo]++; - if (brcmf_skb_if_flags_get_field(skb, REQUESTED)) - fws->stats.requested_sent[fifo]++; - - return rc; - -rollback: - brcmf_fws_rollback_toq(fws, skb, fifo); - return rc; -} - -static int brcmf_fws_assign_htod(struct brcmf_fws_info *fws, struct sk_buff *p, - int fifo) -{ - struct brcmf_skbuff_cb *skcb = brcmf_skbcb(p); - int rc, hslot; - - skcb->htod = 0; - skcb->htod_seq = 0; - hslot = brcmf_fws_hanger_get_free_slot(&fws->hanger); - brcmf_skb_htod_tag_set_field(p, HSLOT, hslot); - brcmf_skb_htod_tag_set_field(p, FREERUN, skcb->mac->seq[fifo]); - brcmf_skb_htod_tag_set_field(p, FIFO, fifo); - rc = brcmf_fws_hanger_pushpkt(&fws->hanger, p, hslot); - if (!rc) - skcb->mac->seq[fifo]++; - else - fws->stats.generic_error++; - return rc; -} - -int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) -{ - struct brcmf_pub *drvr = ifp->drvr; - struct brcmf_fws_info *fws = drvr->fws; - struct brcmf_skbuff_cb *skcb = brcmf_skbcb(skb); - struct ethhdr *eh = (struct ethhdr *)(skb->data); - int fifo = BRCMF_FWS_FIFO_BCMC; - bool multicast = is_multicast_ether_addr(eh->h_dest); - int rc = 0; - - brcmf_dbg(DATA, "tx proto=0x%X\n", ntohs(eh->h_proto)); - /* determine the priority */ - if (!skb->priority) - skb->priority = cfg80211_classify8021d(skb, NULL); - - drvr->tx_multicast += !!multicast; - - if (fws->avoid_queueing) { - rc = brcmf_proto_txdata(drvr, ifp->ifidx, 0, skb); - if (rc < 0) - brcmf_txfinalize(ifp, skb, false); - return rc; - } - - /* set control buffer information */ - skcb->if_flags = 0; - skcb->state = BRCMF_FWS_SKBSTATE_NEW; - brcmf_skb_if_flags_set_field(skb, INDEX, ifp->ifidx); - if (!multicast) - fifo = brcmf_fws_prio2fifo[skb->priority]; - - brcmf_fws_lock(fws); - if (fifo != BRCMF_FWS_FIFO_AC_BE && fifo < BRCMF_FWS_FIFO_BCMC) - fws->borrow_defer_timestamp = jiffies + - BRCMF_FWS_BORROW_DEFER_PERIOD; - - skcb->mac = brcmf_fws_macdesc_find(fws, ifp, eh->h_dest); - brcmf_dbg(DATA, "%s mac %pM multi %d fifo %d\n", skcb->mac->name, - eh->h_dest, multicast, fifo); - if (!brcmf_fws_assign_htod(fws, skb, fifo)) { - brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_DELAYED, fifo, skb); - brcmf_fws_schedule_deq(fws); - } else { - brcmf_err("drop skb: no hanger slot\n"); - brcmf_txfinalize(ifp, skb, false); - rc = -ENOMEM; - } - brcmf_fws_unlock(fws); - - return rc; -} - -void brcmf_fws_reset_interface(struct brcmf_if *ifp) -{ - struct brcmf_fws_mac_descriptor *entry = ifp->fws_desc; - - brcmf_dbg(TRACE, "enter: idx=%d\n", ifp->bssidx); - if (!entry) - return; - - brcmf_fws_macdesc_init(entry, ifp->mac_addr, ifp->ifidx); -} - -void brcmf_fws_add_interface(struct brcmf_if *ifp) -{ - struct brcmf_fws_info *fws = ifp->drvr->fws; - struct brcmf_fws_mac_descriptor *entry; - - if (!ifp->ndev) - return; - - entry = &fws->desc.iface[ifp->ifidx]; - ifp->fws_desc = entry; - brcmf_fws_macdesc_init(entry, ifp->mac_addr, ifp->ifidx); - brcmf_fws_macdesc_set_name(fws, entry); - brcmu_pktq_init(&entry->psq, BRCMF_FWS_PSQ_PREC_COUNT, - BRCMF_FWS_PSQ_LEN); - brcmf_dbg(TRACE, "added %s\n", entry->name); -} - -void brcmf_fws_del_interface(struct brcmf_if *ifp) -{ - struct brcmf_fws_mac_descriptor *entry = ifp->fws_desc; - - if (!entry) - return; - - brcmf_fws_lock(ifp->drvr->fws); - ifp->fws_desc = NULL; - brcmf_dbg(TRACE, "deleting %s\n", entry->name); - brcmf_fws_macdesc_deinit(entry); - brcmf_fws_cleanup(ifp->drvr->fws, ifp->ifidx); - brcmf_fws_unlock(ifp->drvr->fws); -} - -static void brcmf_fws_dequeue_worker(struct work_struct *worker) -{ - struct brcmf_fws_info *fws; - struct brcmf_pub *drvr; - struct sk_buff *skb; - int fifo; - u32 hslot; - u32 ifidx; - int ret; - - fws = container_of(worker, struct brcmf_fws_info, fws_dequeue_work); - drvr = fws->drvr; - - brcmf_fws_lock(fws); - for (fifo = BRCMF_FWS_FIFO_BCMC; fifo >= 0 && !fws->bus_flow_blocked; - fifo--) { - if (!brcmf_fws_fc_active(fws)) { - while ((skb = brcmf_fws_deq(fws, fifo)) != NULL) { - hslot = brcmf_skb_htod_tag_get_field(skb, - HSLOT); - brcmf_fws_hanger_poppkt(&fws->hanger, hslot, - &skb, true); - ifidx = brcmf_skb_if_flags_get_field(skb, - INDEX); - /* Use proto layer to send data frame */ - brcmf_fws_unlock(fws); - ret = brcmf_proto_txdata(drvr, ifidx, 0, skb); - brcmf_fws_lock(fws); - if (ret < 0) - brcmf_txfinalize(brcmf_get_ifp(drvr, - ifidx), - skb, false); - if (fws->bus_flow_blocked) - break; - } - continue; - } - while ((fws->fifo_credit[fifo]) || ((!fws->bcmc_credit_check) && - (fifo == BRCMF_FWS_FIFO_BCMC))) { - skb = brcmf_fws_deq(fws, fifo); - if (!skb) - break; - fws->fifo_credit[fifo]--; - if (brcmf_fws_commit_skb(fws, fifo, skb)) - break; - if (fws->bus_flow_blocked) - break; - } - if ((fifo == BRCMF_FWS_FIFO_AC_BE) && - (fws->fifo_credit[fifo] == 0) && - (!fws->bus_flow_blocked)) { - while (brcmf_fws_borrow_credit(fws) == 0) { - skb = brcmf_fws_deq(fws, fifo); - if (!skb) { - brcmf_fws_return_credits(fws, fifo, 1); - break; - } - if (brcmf_fws_commit_skb(fws, fifo, skb)) - break; - if (fws->bus_flow_blocked) - break; - } - } - } - brcmf_fws_unlock(fws); -} - -#ifdef DEBUG -static int brcmf_debugfs_fws_stats_read(struct seq_file *seq, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); - struct brcmf_fws_stats *fwstats = &bus_if->drvr->fws->stats; - - seq_printf(seq, - "header_pulls: %u\n" - "header_only_pkt: %u\n" - "tlv_parse_failed: %u\n" - "tlv_invalid_type: %u\n" - "mac_update_fails: %u\n" - "ps_update_fails: %u\n" - "if_update_fails: %u\n" - "pkt2bus: %u\n" - "generic_error: %u\n" - "rollback_success: %u\n" - "rollback_failed: %u\n" - "delayq_full: %u\n" - "supprq_full: %u\n" - "txs_indicate: %u\n" - "txs_discard: %u\n" - "txs_suppr_core: %u\n" - "txs_suppr_ps: %u\n" - "txs_tossed: %u\n" - "txs_host_tossed: %u\n" - "bus_flow_block: %u\n" - "fws_flow_block: %u\n" - "send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n" - "requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n", - fwstats->header_pulls, - fwstats->header_only_pkt, - fwstats->tlv_parse_failed, - fwstats->tlv_invalid_type, - fwstats->mac_update_failed, - fwstats->mac_ps_update_failed, - fwstats->if_update_failed, - fwstats->pkt2bus, - fwstats->generic_error, - fwstats->rollback_success, - fwstats->rollback_failed, - fwstats->delayq_full_error, - fwstats->supprq_full_error, - fwstats->txs_indicate, - fwstats->txs_discard, - fwstats->txs_supp_core, - fwstats->txs_supp_ps, - fwstats->txs_tossed, - fwstats->txs_host_tossed, - fwstats->bus_flow_block, - fwstats->fws_flow_block, - fwstats->send_pkts[0], fwstats->send_pkts[1], - fwstats->send_pkts[2], fwstats->send_pkts[3], - fwstats->send_pkts[4], - fwstats->requested_sent[0], - fwstats->requested_sent[1], - fwstats->requested_sent[2], - fwstats->requested_sent[3], - fwstats->requested_sent[4]); - - return 0; -} -#else -static int brcmf_debugfs_fws_stats_read(struct seq_file *seq, void *data) -{ - return 0; -} -#endif - -int brcmf_fws_init(struct brcmf_pub *drvr) -{ - struct brcmf_fws_info *fws; - struct brcmf_if *ifp; - u32 tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS; - int rc; - u32 mode; - - drvr->fws = kzalloc(sizeof(*(drvr->fws)), GFP_KERNEL); - if (!drvr->fws) { - rc = -ENOMEM; - goto fail; - } - - fws = drvr->fws; - - spin_lock_init(&fws->spinlock); - - /* set linkage back */ - fws->drvr = drvr; - fws->fcmode = fcmode; - - if ((drvr->bus_if->always_use_fws_queue == false) && - (fcmode == BRCMF_FWS_FCMODE_NONE)) { - fws->avoid_queueing = true; - brcmf_dbg(INFO, "FWS queueing will be avoided\n"); - return 0; - } - - fws->fws_wq = create_singlethread_workqueue("brcmf_fws_wq"); - if (fws->fws_wq == NULL) { - brcmf_err("workqueue creation failed\n"); - rc = -EBADF; - goto fail; - } - INIT_WORK(&fws->fws_dequeue_work, brcmf_fws_dequeue_worker); - - /* enable firmware signalling if fcmode active */ - if (fws->fcmode != BRCMF_FWS_FCMODE_NONE) - tlv |= BRCMF_FWS_FLAGS_XONXOFF_SIGNALS | - BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS | - BRCMF_FWS_FLAGS_HOST_PROPTXSTATUS_ACTIVE | - BRCMF_FWS_FLAGS_HOST_RXREORDER_ACTIVE; - - rc = brcmf_fweh_register(drvr, BRCMF_E_FIFO_CREDIT_MAP, - brcmf_fws_notify_credit_map); - if (rc < 0) { - brcmf_err("register credit map handler failed\n"); - goto fail; - } - rc = brcmf_fweh_register(drvr, BRCMF_E_BCMC_CREDIT_SUPPORT, - brcmf_fws_notify_bcmc_credit_support); - if (rc < 0) { - brcmf_err("register bcmc credit handler failed\n"); - brcmf_fweh_unregister(drvr, BRCMF_E_FIFO_CREDIT_MAP); - goto fail; - } - - /* Setting the iovar may fail if feature is unsupported - * so leave the rc as is so driver initialization can - * continue. Set mode back to none indicating not enabled. - */ - fws->fw_signals = true; - ifp = brcmf_get_ifp(drvr, 0); - if (brcmf_fil_iovar_int_set(ifp, "tlv", tlv)) { - brcmf_err("failed to set bdcv2 tlv signaling\n"); - fws->fcmode = BRCMF_FWS_FCMODE_NONE; - fws->fw_signals = false; - } - - if (brcmf_fil_iovar_int_set(ifp, "ampdu_hostreorder", 1)) - brcmf_dbg(INFO, "enabling AMPDU host-reorder failed\n"); - - /* Enable seq number reuse, if supported */ - if (brcmf_fil_iovar_int_get(ifp, "wlfc_mode", &mode) == 0) { - if (BRCMF_FWS_MODE_GET_REUSESEQ(mode)) { - mode = 0; - BRCMF_FWS_MODE_SET_REUSESEQ(mode, 1); - if (brcmf_fil_iovar_int_set(ifp, - "wlfc_mode", mode) == 0) { - BRCMF_FWS_MODE_SET_REUSESEQ(fws->mode, 1); - } - } - } - - brcmf_fws_hanger_init(&fws->hanger); - brcmf_fws_macdesc_init(&fws->desc.other, NULL, 0); - brcmf_fws_macdesc_set_name(fws, &fws->desc.other); - brcmu_pktq_init(&fws->desc.other.psq, BRCMF_FWS_PSQ_PREC_COUNT, - BRCMF_FWS_PSQ_LEN); - - /* create debugfs file for statistics */ - brcmf_debugfs_add_entry(drvr, "fws_stats", - brcmf_debugfs_fws_stats_read); - - brcmf_dbg(INFO, "%s bdcv2 tlv signaling [%x]\n", - fws->fw_signals ? "enabled" : "disabled", tlv); - return 0; - -fail: - brcmf_fws_deinit(drvr); - return rc; -} - -void brcmf_fws_deinit(struct brcmf_pub *drvr) -{ - struct brcmf_fws_info *fws = drvr->fws; - - if (!fws) - return; - - if (drvr->fws->fws_wq) - destroy_workqueue(drvr->fws->fws_wq); - - /* cleanup */ - brcmf_fws_lock(fws); - brcmf_fws_cleanup(fws, -1); - drvr->fws = NULL; - brcmf_fws_unlock(fws); - - /* free top structure */ - kfree(fws); -} - -bool brcmf_fws_fc_active(struct brcmf_fws_info *fws) -{ - if (!fws->creditmap_received) - return false; - - return fws->fcmode != BRCMF_FWS_FCMODE_NONE; -} - -void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb) -{ - u32 hslot; - - if (brcmf_skbcb(skb)->state == BRCMF_FWS_SKBSTATE_TIM) { - brcmu_pkt_buf_free_skb(skb); - return; - } - brcmf_fws_lock(fws); - hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT); - brcmf_fws_txs_process(fws, BRCMF_FWS_TXSTATUS_HOST_TOSSED, hslot, 0, 0); - brcmf_fws_unlock(fws); -} - -void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked) -{ - struct brcmf_fws_info *fws = drvr->fws; - - fws->bus_flow_blocked = flow_blocked; - if (!flow_blocked) - brcmf_fws_schedule_deq(fws); - else - fws->stats.bus_flow_block++; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h deleted file mode 100644 index a36bac17eafd..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - -#ifndef FWSIGNAL_H_ -#define FWSIGNAL_H_ - -int brcmf_fws_init(struct brcmf_pub *drvr); -void brcmf_fws_deinit(struct brcmf_pub *drvr); -bool brcmf_fws_fc_active(struct brcmf_fws_info *fws); -void brcmf_fws_hdrpull(struct brcmf_if *ifp, s16 siglen, struct sk_buff *skb); -int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb); - -void brcmf_fws_reset_interface(struct brcmf_if *ifp); -void brcmf_fws_add_interface(struct brcmf_if *ifp); -void brcmf_fws_del_interface(struct brcmf_if *ifp); -void brcmf_fws_bustxfail(struct brcmf_fws_info *fws, struct sk_buff *skb); -void brcmf_fws_bus_blocked(struct brcmf_pub *drvr, bool flow_blocked); - -#endif /* FWSIGNAL_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c deleted file mode 100644 index 44e618f9d890..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c +++ /dev/null @@ -1,1561 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -/******************************************************************************* - * Communicates with the dongle by using dcmd codes. - * For certain dcmd codes, the dongle interprets string data from the host. - ******************************************************************************/ - -#include <linux/types.h> -#include <linux/netdevice.h> - -#include <brcmu_utils.h> -#include <brcmu_wifi.h> - -#include "core.h" -#include "debug.h" -#include "proto.h" -#include "msgbuf.h" -#include "commonring.h" -#include "flowring.h" -#include "bus.h" -#include "tracepoint.h" - - -#define MSGBUF_IOCTL_RESP_TIMEOUT 2000 - -#define MSGBUF_TYPE_GEN_STATUS 0x1 -#define MSGBUF_TYPE_RING_STATUS 0x2 -#define MSGBUF_TYPE_FLOW_RING_CREATE 0x3 -#define MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT 0x4 -#define MSGBUF_TYPE_FLOW_RING_DELETE 0x5 -#define MSGBUF_TYPE_FLOW_RING_DELETE_CMPLT 0x6 -#define MSGBUF_TYPE_FLOW_RING_FLUSH 0x7 -#define MSGBUF_TYPE_FLOW_RING_FLUSH_CMPLT 0x8 -#define MSGBUF_TYPE_IOCTLPTR_REQ 0x9 -#define MSGBUF_TYPE_IOCTLPTR_REQ_ACK 0xA -#define MSGBUF_TYPE_IOCTLRESP_BUF_POST 0xB -#define MSGBUF_TYPE_IOCTL_CMPLT 0xC -#define MSGBUF_TYPE_EVENT_BUF_POST 0xD -#define MSGBUF_TYPE_WL_EVENT 0xE -#define MSGBUF_TYPE_TX_POST 0xF -#define MSGBUF_TYPE_TX_STATUS 0x10 -#define MSGBUF_TYPE_RXBUF_POST 0x11 -#define MSGBUF_TYPE_RX_CMPLT 0x12 -#define MSGBUF_TYPE_LPBK_DMAXFER 0x13 -#define MSGBUF_TYPE_LPBK_DMAXFER_CMPLT 0x14 - -#define NR_TX_PKTIDS 2048 -#define NR_RX_PKTIDS 1024 - -#define BRCMF_IOCTL_REQ_PKTID 0xFFFE - -#define BRCMF_MSGBUF_MAX_PKT_SIZE 2048 -#define BRCMF_MSGBUF_RXBUFPOST_THRESHOLD 32 -#define BRCMF_MSGBUF_MAX_IOCTLRESPBUF_POST 8 -#define BRCMF_MSGBUF_MAX_EVENTBUF_POST 8 - -#define BRCMF_MSGBUF_PKT_FLAGS_FRAME_802_3 0x01 -#define BRCMF_MSGBUF_PKT_FLAGS_PRIO_SHIFT 5 - -#define BRCMF_MSGBUF_TX_FLUSH_CNT1 32 -#define BRCMF_MSGBUF_TX_FLUSH_CNT2 96 - -#define BRCMF_MSGBUF_DELAY_TXWORKER_THRS 96 -#define BRCMF_MSGBUF_TRICKLE_TXWORKER_THRS 32 -#define BRCMF_MSGBUF_UPDATE_RX_PTR_THRS 48 - - -struct msgbuf_common_hdr { - u8 msgtype; - u8 ifidx; - u8 flags; - u8 rsvd0; - __le32 request_id; -}; - -struct msgbuf_buf_addr { - __le32 low_addr; - __le32 high_addr; -}; - -struct msgbuf_ioctl_req_hdr { - struct msgbuf_common_hdr msg; - __le32 cmd; - __le16 trans_id; - __le16 input_buf_len; - __le16 output_buf_len; - __le16 rsvd0[3]; - struct msgbuf_buf_addr req_buf_addr; - __le32 rsvd1[2]; -}; - -struct msgbuf_tx_msghdr { - struct msgbuf_common_hdr msg; - u8 txhdr[ETH_HLEN]; - u8 flags; - u8 seg_cnt; - struct msgbuf_buf_addr metadata_buf_addr; - struct msgbuf_buf_addr data_buf_addr; - __le16 metadata_buf_len; - __le16 data_len; - __le32 rsvd0; -}; - -struct msgbuf_rx_bufpost { - struct msgbuf_common_hdr msg; - __le16 metadata_buf_len; - __le16 data_buf_len; - __le32 rsvd0; - struct msgbuf_buf_addr metadata_buf_addr; - struct msgbuf_buf_addr data_buf_addr; -}; - -struct msgbuf_rx_ioctl_resp_or_event { - struct msgbuf_common_hdr msg; - __le16 host_buf_len; - __le16 rsvd0[3]; - struct msgbuf_buf_addr host_buf_addr; - __le32 rsvd1[4]; -}; - -struct msgbuf_completion_hdr { - __le16 status; - __le16 flow_ring_id; -}; - -struct msgbuf_rx_event { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le16 event_data_len; - __le16 seqnum; - __le16 rsvd0[4]; -}; - -struct msgbuf_ioctl_resp_hdr { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le16 resp_len; - __le16 trans_id; - __le32 cmd; - __le32 rsvd0; -}; - -struct msgbuf_tx_status { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le16 metadata_len; - __le16 tx_status; -}; - -struct msgbuf_rx_complete { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le16 metadata_len; - __le16 data_len; - __le16 data_offset; - __le16 flags; - __le32 rx_status_0; - __le32 rx_status_1; - __le32 rsvd0; -}; - -struct msgbuf_tx_flowring_create_req { - struct msgbuf_common_hdr msg; - u8 da[ETH_ALEN]; - u8 sa[ETH_ALEN]; - u8 tid; - u8 if_flags; - __le16 flow_ring_id; - u8 tc; - u8 priority; - __le16 int_vector; - __le16 max_items; - __le16 len_item; - struct msgbuf_buf_addr flow_ring_addr; -}; - -struct msgbuf_tx_flowring_delete_req { - struct msgbuf_common_hdr msg; - __le16 flow_ring_id; - __le16 reason; - __le32 rsvd0[7]; -}; - -struct msgbuf_flowring_create_resp { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le32 rsvd0[3]; -}; - -struct msgbuf_flowring_delete_resp { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le32 rsvd0[3]; -}; - -struct msgbuf_flowring_flush_resp { - struct msgbuf_common_hdr msg; - struct msgbuf_completion_hdr compl_hdr; - __le32 rsvd0[3]; -}; - -struct brcmf_msgbuf_work_item { - struct list_head queue; - u32 flowid; - int ifidx; - u8 sa[ETH_ALEN]; - u8 da[ETH_ALEN]; -}; - -struct brcmf_msgbuf { - struct brcmf_pub *drvr; - - struct brcmf_commonring **commonrings; - struct brcmf_commonring **flowrings; - dma_addr_t *flowring_dma_handle; - u16 nrof_flowrings; - - u16 rx_dataoffset; - u32 max_rxbufpost; - u16 rx_metadata_offset; - u32 rxbufpost; - - u32 max_ioctlrespbuf; - u32 cur_ioctlrespbuf; - u32 max_eventbuf; - u32 cur_eventbuf; - - void *ioctbuf; - dma_addr_t ioctbuf_handle; - u32 ioctbuf_phys_hi; - u32 ioctbuf_phys_lo; - int ioctl_resp_status; - u32 ioctl_resp_ret_len; - u32 ioctl_resp_pktid; - - u16 data_seq_no; - u16 ioctl_seq_no; - u32 reqid; - wait_queue_head_t ioctl_resp_wait; - bool ctl_completed; - - struct brcmf_msgbuf_pktids *tx_pktids; - struct brcmf_msgbuf_pktids *rx_pktids; - struct brcmf_flowring *flow; - - struct workqueue_struct *txflow_wq; - struct work_struct txflow_work; - unsigned long *flow_map; - unsigned long *txstatus_done_map; - - struct work_struct flowring_work; - spinlock_t flowring_work_lock; - struct list_head work_queue; -}; - -struct brcmf_msgbuf_pktid { - atomic_t allocated; - u16 data_offset; - struct sk_buff *skb; - dma_addr_t physaddr; -}; - -struct brcmf_msgbuf_pktids { - u32 array_size; - u32 last_allocated_idx; - enum dma_data_direction direction; - struct brcmf_msgbuf_pktid *array; -}; - -static void brcmf_msgbuf_rxbuf_ioctlresp_post(struct brcmf_msgbuf *msgbuf); - - -static struct brcmf_msgbuf_pktids * -brcmf_msgbuf_init_pktids(u32 nr_array_entries, - enum dma_data_direction direction) -{ - struct brcmf_msgbuf_pktid *array; - struct brcmf_msgbuf_pktids *pktids; - - array = kcalloc(nr_array_entries, sizeof(*array), GFP_KERNEL); - if (!array) - return NULL; - - pktids = kzalloc(sizeof(*pktids), GFP_KERNEL); - if (!pktids) { - kfree(array); - return NULL; - } - pktids->array = array; - pktids->array_size = nr_array_entries; - - return pktids; -} - - -static int -brcmf_msgbuf_alloc_pktid(struct device *dev, - struct brcmf_msgbuf_pktids *pktids, - struct sk_buff *skb, u16 data_offset, - dma_addr_t *physaddr, u32 *idx) -{ - struct brcmf_msgbuf_pktid *array; - u32 count; - - array = pktids->array; - - *physaddr = dma_map_single(dev, skb->data + data_offset, - skb->len - data_offset, pktids->direction); - - if (dma_mapping_error(dev, *physaddr)) { - brcmf_err("dma_map_single failed !!\n"); - return -ENOMEM; - } - - *idx = pktids->last_allocated_idx; - - count = 0; - do { - (*idx)++; - if (*idx == pktids->array_size) - *idx = 0; - if (array[*idx].allocated.counter == 0) - if (atomic_cmpxchg(&array[*idx].allocated, 0, 1) == 0) - break; - count++; - } while (count < pktids->array_size); - - if (count == pktids->array_size) - return -ENOMEM; - - array[*idx].data_offset = data_offset; - array[*idx].physaddr = *physaddr; - array[*idx].skb = skb; - - pktids->last_allocated_idx = *idx; - - return 0; -} - - -static struct sk_buff * -brcmf_msgbuf_get_pktid(struct device *dev, struct brcmf_msgbuf_pktids *pktids, - u32 idx) -{ - struct brcmf_msgbuf_pktid *pktid; - struct sk_buff *skb; - - if (idx >= pktids->array_size) { - brcmf_err("Invalid packet id %d (max %d)\n", idx, - pktids->array_size); - return NULL; - } - if (pktids->array[idx].allocated.counter) { - pktid = &pktids->array[idx]; - dma_unmap_single(dev, pktid->physaddr, - pktid->skb->len - pktid->data_offset, - pktids->direction); - skb = pktid->skb; - pktid->allocated.counter = 0; - return skb; - } else { - brcmf_err("Invalid packet id %d (not in use)\n", idx); - } - - return NULL; -} - - -static void -brcmf_msgbuf_release_array(struct device *dev, - struct brcmf_msgbuf_pktids *pktids) -{ - struct brcmf_msgbuf_pktid *array; - struct brcmf_msgbuf_pktid *pktid; - u32 count; - - array = pktids->array; - count = 0; - do { - if (array[count].allocated.counter) { - pktid = &array[count]; - dma_unmap_single(dev, pktid->physaddr, - pktid->skb->len - pktid->data_offset, - pktids->direction); - brcmu_pkt_buf_free_skb(pktid->skb); - } - count++; - } while (count < pktids->array_size); - - kfree(array); - kfree(pktids); -} - - -static void brcmf_msgbuf_release_pktids(struct brcmf_msgbuf *msgbuf) -{ - if (msgbuf->rx_pktids) - brcmf_msgbuf_release_array(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids); - if (msgbuf->tx_pktids) - brcmf_msgbuf_release_array(msgbuf->drvr->bus_if->dev, - msgbuf->tx_pktids); -} - - -static int brcmf_msgbuf_tx_ioctl(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct brcmf_commonring *commonring; - struct msgbuf_ioctl_req_hdr *request; - u16 buf_len; - void *ret_ptr; - int err; - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT]; - brcmf_commonring_lock(commonring); - ret_ptr = brcmf_commonring_reserve_for_write(commonring); - if (!ret_ptr) { - brcmf_err("Failed to reserve space in commonring\n"); - brcmf_commonring_unlock(commonring); - return -ENOMEM; - } - - msgbuf->reqid++; - - request = (struct msgbuf_ioctl_req_hdr *)ret_ptr; - request->msg.msgtype = MSGBUF_TYPE_IOCTLPTR_REQ; - request->msg.ifidx = (u8)ifidx; - request->msg.flags = 0; - request->msg.request_id = cpu_to_le32(BRCMF_IOCTL_REQ_PKTID); - request->cmd = cpu_to_le32(cmd); - request->output_buf_len = cpu_to_le16(len); - request->trans_id = cpu_to_le16(msgbuf->reqid); - - buf_len = min_t(u16, len, BRCMF_TX_IOCTL_MAX_MSG_SIZE); - request->input_buf_len = cpu_to_le16(buf_len); - request->req_buf_addr.high_addr = cpu_to_le32(msgbuf->ioctbuf_phys_hi); - request->req_buf_addr.low_addr = cpu_to_le32(msgbuf->ioctbuf_phys_lo); - if (buf) - memcpy(msgbuf->ioctbuf, buf, buf_len); - else - memset(msgbuf->ioctbuf, 0, buf_len); - - err = brcmf_commonring_write_complete(commonring); - brcmf_commonring_unlock(commonring); - - return err; -} - - -static int brcmf_msgbuf_ioctl_resp_wait(struct brcmf_msgbuf *msgbuf) -{ - return wait_event_timeout(msgbuf->ioctl_resp_wait, - msgbuf->ctl_completed, - msecs_to_jiffies(MSGBUF_IOCTL_RESP_TIMEOUT)); -} - - -static void brcmf_msgbuf_ioctl_resp_wake(struct brcmf_msgbuf *msgbuf) -{ - msgbuf->ctl_completed = true; - if (waitqueue_active(&msgbuf->ioctl_resp_wait)) - wake_up(&msgbuf->ioctl_resp_wait); -} - - -static int brcmf_msgbuf_query_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct sk_buff *skb = NULL; - int timeout; - int err; - - brcmf_dbg(MSGBUF, "ifidx=%d, cmd=%d, len=%d\n", ifidx, cmd, len); - msgbuf->ctl_completed = false; - err = brcmf_msgbuf_tx_ioctl(drvr, ifidx, cmd, buf, len); - if (err) - return err; - - timeout = brcmf_msgbuf_ioctl_resp_wait(msgbuf); - if (!timeout) { - brcmf_err("Timeout on response for query command\n"); - return -EIO; - } - - skb = brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids, - msgbuf->ioctl_resp_pktid); - if (msgbuf->ioctl_resp_ret_len != 0) { - if (!skb) - return -EBADF; - - memcpy(buf, skb->data, (len < msgbuf->ioctl_resp_ret_len) ? - len : msgbuf->ioctl_resp_ret_len); - } - brcmu_pkt_buf_free_skb(skb); - - return msgbuf->ioctl_resp_status; -} - - -static int brcmf_msgbuf_set_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len) -{ - return brcmf_msgbuf_query_dcmd(drvr, ifidx, cmd, buf, len); -} - - -static int brcmf_msgbuf_hdrpull(struct brcmf_pub *drvr, bool do_fws, - struct sk_buff *skb, struct brcmf_if **ifp) -{ - return -ENODEV; -} - - -static void -brcmf_msgbuf_remove_flowring(struct brcmf_msgbuf *msgbuf, u16 flowid) -{ - u32 dma_sz; - void *dma_buf; - - brcmf_dbg(MSGBUF, "Removing flowring %d\n", flowid); - - dma_sz = BRCMF_H2D_TXFLOWRING_MAX_ITEM * BRCMF_H2D_TXFLOWRING_ITEMSIZE; - dma_buf = msgbuf->flowrings[flowid]->buf_addr; - dma_free_coherent(msgbuf->drvr->bus_if->dev, dma_sz, dma_buf, - msgbuf->flowring_dma_handle[flowid]); - - brcmf_flowring_delete(msgbuf->flow, flowid); -} - - -static struct brcmf_msgbuf_work_item * -brcmf_msgbuf_dequeue_work(struct brcmf_msgbuf *msgbuf) -{ - struct brcmf_msgbuf_work_item *work = NULL; - ulong flags; - - spin_lock_irqsave(&msgbuf->flowring_work_lock, flags); - if (!list_empty(&msgbuf->work_queue)) { - work = list_first_entry(&msgbuf->work_queue, - struct brcmf_msgbuf_work_item, queue); - list_del(&work->queue); - } - spin_unlock_irqrestore(&msgbuf->flowring_work_lock, flags); - - return work; -} - - -static u32 -brcmf_msgbuf_flowring_create_worker(struct brcmf_msgbuf *msgbuf, - struct brcmf_msgbuf_work_item *work) -{ - struct msgbuf_tx_flowring_create_req *create; - struct brcmf_commonring *commonring; - void *ret_ptr; - u32 flowid; - void *dma_buf; - u32 dma_sz; - u64 address; - int err; - - flowid = work->flowid; - dma_sz = BRCMF_H2D_TXFLOWRING_MAX_ITEM * BRCMF_H2D_TXFLOWRING_ITEMSIZE; - dma_buf = dma_alloc_coherent(msgbuf->drvr->bus_if->dev, dma_sz, - &msgbuf->flowring_dma_handle[flowid], - GFP_KERNEL); - if (!dma_buf) { - brcmf_err("dma_alloc_coherent failed\n"); - brcmf_flowring_delete(msgbuf->flow, flowid); - return BRCMF_FLOWRING_INVALID_ID; - } - - brcmf_commonring_config(msgbuf->flowrings[flowid], - BRCMF_H2D_TXFLOWRING_MAX_ITEM, - BRCMF_H2D_TXFLOWRING_ITEMSIZE, dma_buf); - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT]; - brcmf_commonring_lock(commonring); - ret_ptr = brcmf_commonring_reserve_for_write(commonring); - if (!ret_ptr) { - brcmf_err("Failed to reserve space in commonring\n"); - brcmf_commonring_unlock(commonring); - brcmf_msgbuf_remove_flowring(msgbuf, flowid); - return BRCMF_FLOWRING_INVALID_ID; - } - - create = (struct msgbuf_tx_flowring_create_req *)ret_ptr; - create->msg.msgtype = MSGBUF_TYPE_FLOW_RING_CREATE; - create->msg.ifidx = work->ifidx; - create->msg.request_id = 0; - create->tid = brcmf_flowring_tid(msgbuf->flow, flowid); - create->flow_ring_id = cpu_to_le16(flowid + - BRCMF_NROF_H2D_COMMON_MSGRINGS); - memcpy(create->sa, work->sa, ETH_ALEN); - memcpy(create->da, work->da, ETH_ALEN); - address = (u64)msgbuf->flowring_dma_handle[flowid]; - create->flow_ring_addr.high_addr = cpu_to_le32(address >> 32); - create->flow_ring_addr.low_addr = cpu_to_le32(address & 0xffffffff); - create->max_items = cpu_to_le16(BRCMF_H2D_TXFLOWRING_MAX_ITEM); - create->len_item = cpu_to_le16(BRCMF_H2D_TXFLOWRING_ITEMSIZE); - - brcmf_dbg(MSGBUF, "Send Flow Create Req flow ID %d for peer %pM prio %d ifindex %d\n", - flowid, work->da, create->tid, work->ifidx); - - err = brcmf_commonring_write_complete(commonring); - brcmf_commonring_unlock(commonring); - if (err) { - brcmf_err("Failed to write commonring\n"); - brcmf_msgbuf_remove_flowring(msgbuf, flowid); - return BRCMF_FLOWRING_INVALID_ID; - } - - return flowid; -} - - -static void brcmf_msgbuf_flowring_worker(struct work_struct *work) -{ - struct brcmf_msgbuf *msgbuf; - struct brcmf_msgbuf_work_item *create; - - msgbuf = container_of(work, struct brcmf_msgbuf, flowring_work); - - while ((create = brcmf_msgbuf_dequeue_work(msgbuf))) { - brcmf_msgbuf_flowring_create_worker(msgbuf, create); - kfree(create); - } -} - - -static u32 brcmf_msgbuf_flowring_create(struct brcmf_msgbuf *msgbuf, int ifidx, - struct sk_buff *skb) -{ - struct brcmf_msgbuf_work_item *create; - struct ethhdr *eh = (struct ethhdr *)(skb->data); - u32 flowid; - ulong flags; - - create = kzalloc(sizeof(*create), GFP_ATOMIC); - if (create == NULL) - return BRCMF_FLOWRING_INVALID_ID; - - flowid = brcmf_flowring_create(msgbuf->flow, eh->h_dest, - skb->priority, ifidx); - if (flowid == BRCMF_FLOWRING_INVALID_ID) { - kfree(create); - return flowid; - } - - create->flowid = flowid; - create->ifidx = ifidx; - memcpy(create->sa, eh->h_source, ETH_ALEN); - memcpy(create->da, eh->h_dest, ETH_ALEN); - - spin_lock_irqsave(&msgbuf->flowring_work_lock, flags); - list_add_tail(&create->queue, &msgbuf->work_queue); - spin_unlock_irqrestore(&msgbuf->flowring_work_lock, flags); - schedule_work(&msgbuf->flowring_work); - - return flowid; -} - - -static void brcmf_msgbuf_txflow(struct brcmf_msgbuf *msgbuf, u8 flowid) -{ - struct brcmf_flowring *flow = msgbuf->flow; - struct brcmf_commonring *commonring; - void *ret_ptr; - u32 count; - struct sk_buff *skb; - dma_addr_t physaddr; - u32 pktid; - struct msgbuf_tx_msghdr *tx_msghdr; - u64 address; - - commonring = msgbuf->flowrings[flowid]; - if (!brcmf_commonring_write_available(commonring)) - return; - - brcmf_commonring_lock(commonring); - - count = BRCMF_MSGBUF_TX_FLUSH_CNT2 - BRCMF_MSGBUF_TX_FLUSH_CNT1; - while (brcmf_flowring_qlen(flow, flowid)) { - skb = brcmf_flowring_dequeue(flow, flowid); - if (skb == NULL) { - brcmf_err("No SKB, but qlen %d\n", - brcmf_flowring_qlen(flow, flowid)); - break; - } - skb_orphan(skb); - if (brcmf_msgbuf_alloc_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->tx_pktids, skb, ETH_HLEN, - &physaddr, &pktid)) { - brcmf_flowring_reinsert(flow, flowid, skb); - brcmf_err("No PKTID available !!\n"); - break; - } - ret_ptr = brcmf_commonring_reserve_for_write(commonring); - if (!ret_ptr) { - brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->tx_pktids, pktid); - brcmf_flowring_reinsert(flow, flowid, skb); - break; - } - count++; - - tx_msghdr = (struct msgbuf_tx_msghdr *)ret_ptr; - - tx_msghdr->msg.msgtype = MSGBUF_TYPE_TX_POST; - tx_msghdr->msg.request_id = cpu_to_le32(pktid); - tx_msghdr->msg.ifidx = brcmf_flowring_ifidx_get(flow, flowid); - tx_msghdr->flags = BRCMF_MSGBUF_PKT_FLAGS_FRAME_802_3; - tx_msghdr->flags |= (skb->priority & 0x07) << - BRCMF_MSGBUF_PKT_FLAGS_PRIO_SHIFT; - tx_msghdr->seg_cnt = 1; - memcpy(tx_msghdr->txhdr, skb->data, ETH_HLEN); - tx_msghdr->data_len = cpu_to_le16(skb->len - ETH_HLEN); - address = (u64)physaddr; - tx_msghdr->data_buf_addr.high_addr = cpu_to_le32(address >> 32); - tx_msghdr->data_buf_addr.low_addr = - cpu_to_le32(address & 0xffffffff); - tx_msghdr->metadata_buf_len = 0; - tx_msghdr->metadata_buf_addr.high_addr = 0; - tx_msghdr->metadata_buf_addr.low_addr = 0; - atomic_inc(&commonring->outstanding_tx); - if (count >= BRCMF_MSGBUF_TX_FLUSH_CNT2) { - brcmf_commonring_write_complete(commonring); - count = 0; - } - } - if (count) - brcmf_commonring_write_complete(commonring); - brcmf_commonring_unlock(commonring); -} - - -static void brcmf_msgbuf_txflow_worker(struct work_struct *worker) -{ - struct brcmf_msgbuf *msgbuf; - u32 flowid; - - msgbuf = container_of(worker, struct brcmf_msgbuf, txflow_work); - for_each_set_bit(flowid, msgbuf->flow_map, msgbuf->nrof_flowrings) { - clear_bit(flowid, msgbuf->flow_map); - brcmf_msgbuf_txflow(msgbuf, flowid); - } -} - - -static int brcmf_msgbuf_schedule_txdata(struct brcmf_msgbuf *msgbuf, u32 flowid, - bool force) -{ - struct brcmf_commonring *commonring; - - set_bit(flowid, msgbuf->flow_map); - commonring = msgbuf->flowrings[flowid]; - if ((force) || (atomic_read(&commonring->outstanding_tx) < - BRCMF_MSGBUF_DELAY_TXWORKER_THRS)) - queue_work(msgbuf->txflow_wq, &msgbuf->txflow_work); - - return 0; -} - - -static int brcmf_msgbuf_txdata(struct brcmf_pub *drvr, int ifidx, - u8 offset, struct sk_buff *skb) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct brcmf_flowring *flow = msgbuf->flow; - struct ethhdr *eh = (struct ethhdr *)(skb->data); - u32 flowid; - u32 queue_count; - bool force; - - flowid = brcmf_flowring_lookup(flow, eh->h_dest, skb->priority, ifidx); - if (flowid == BRCMF_FLOWRING_INVALID_ID) { - flowid = brcmf_msgbuf_flowring_create(msgbuf, ifidx, skb); - if (flowid == BRCMF_FLOWRING_INVALID_ID) - return -ENOMEM; - } - queue_count = brcmf_flowring_enqueue(flow, flowid, skb); - force = ((queue_count % BRCMF_MSGBUF_TRICKLE_TXWORKER_THRS) == 0); - brcmf_msgbuf_schedule_txdata(msgbuf, flowid, force); - - return 0; -} - - -static void -brcmf_msgbuf_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, - enum proto_addr_mode addr_mode) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - - brcmf_flowring_configure_addr_mode(msgbuf->flow, ifidx, addr_mode); -} - - -static void -brcmf_msgbuf_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - - brcmf_flowring_delete_peer(msgbuf->flow, ifidx, peer); -} - - -static void -brcmf_msgbuf_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - - brcmf_flowring_add_tdls_peer(msgbuf->flow, ifidx, peer); -} - - -static void -brcmf_msgbuf_process_ioctl_complete(struct brcmf_msgbuf *msgbuf, void *buf) -{ - struct msgbuf_ioctl_resp_hdr *ioctl_resp; - - ioctl_resp = (struct msgbuf_ioctl_resp_hdr *)buf; - - msgbuf->ioctl_resp_status = - (s16)le16_to_cpu(ioctl_resp->compl_hdr.status); - msgbuf->ioctl_resp_ret_len = le16_to_cpu(ioctl_resp->resp_len); - msgbuf->ioctl_resp_pktid = le32_to_cpu(ioctl_resp->msg.request_id); - - brcmf_msgbuf_ioctl_resp_wake(msgbuf); - - if (msgbuf->cur_ioctlrespbuf) - msgbuf->cur_ioctlrespbuf--; - brcmf_msgbuf_rxbuf_ioctlresp_post(msgbuf); -} - - -static void -brcmf_msgbuf_process_txstatus(struct brcmf_msgbuf *msgbuf, void *buf) -{ - struct brcmf_commonring *commonring; - struct msgbuf_tx_status *tx_status; - u32 idx; - struct sk_buff *skb; - u16 flowid; - - tx_status = (struct msgbuf_tx_status *)buf; - idx = le32_to_cpu(tx_status->msg.request_id); - flowid = le16_to_cpu(tx_status->compl_hdr.flow_ring_id); - flowid -= BRCMF_NROF_H2D_COMMON_MSGRINGS; - skb = brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->tx_pktids, idx); - if (!skb) - return; - - set_bit(flowid, msgbuf->txstatus_done_map); - commonring = msgbuf->flowrings[flowid]; - atomic_dec(&commonring->outstanding_tx); - - brcmf_txfinalize(brcmf_get_ifp(msgbuf->drvr, tx_status->msg.ifidx), - skb, true); -} - - -static u32 brcmf_msgbuf_rxbuf_data_post(struct brcmf_msgbuf *msgbuf, u32 count) -{ - struct brcmf_commonring *commonring; - void *ret_ptr; - struct sk_buff *skb; - u16 alloced; - u32 pktlen; - dma_addr_t physaddr; - struct msgbuf_rx_bufpost *rx_bufpost; - u64 address; - u32 pktid; - u32 i; - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_RXPOST_SUBMIT]; - ret_ptr = brcmf_commonring_reserve_for_write_multiple(commonring, - count, - &alloced); - if (!ret_ptr) { - brcmf_dbg(MSGBUF, "Failed to reserve space in commonring\n"); - return 0; - } - - for (i = 0; i < alloced; i++) { - rx_bufpost = (struct msgbuf_rx_bufpost *)ret_ptr; - memset(rx_bufpost, 0, sizeof(*rx_bufpost)); - - skb = brcmu_pkt_buf_get_skb(BRCMF_MSGBUF_MAX_PKT_SIZE); - - if (skb == NULL) { - brcmf_err("Failed to alloc SKB\n"); - brcmf_commonring_write_cancel(commonring, alloced - i); - break; - } - - pktlen = skb->len; - if (brcmf_msgbuf_alloc_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids, skb, 0, - &physaddr, &pktid)) { - dev_kfree_skb_any(skb); - brcmf_err("No PKTID available !!\n"); - brcmf_commonring_write_cancel(commonring, alloced - i); - break; - } - - if (msgbuf->rx_metadata_offset) { - address = (u64)physaddr; - rx_bufpost->metadata_buf_len = - cpu_to_le16(msgbuf->rx_metadata_offset); - rx_bufpost->metadata_buf_addr.high_addr = - cpu_to_le32(address >> 32); - rx_bufpost->metadata_buf_addr.low_addr = - cpu_to_le32(address & 0xffffffff); - - skb_pull(skb, msgbuf->rx_metadata_offset); - pktlen = skb->len; - physaddr += msgbuf->rx_metadata_offset; - } - rx_bufpost->msg.msgtype = MSGBUF_TYPE_RXBUF_POST; - rx_bufpost->msg.request_id = cpu_to_le32(pktid); - - address = (u64)physaddr; - rx_bufpost->data_buf_len = cpu_to_le16((u16)pktlen); - rx_bufpost->data_buf_addr.high_addr = - cpu_to_le32(address >> 32); - rx_bufpost->data_buf_addr.low_addr = - cpu_to_le32(address & 0xffffffff); - - ret_ptr += brcmf_commonring_len_item(commonring); - } - - if (i) - brcmf_commonring_write_complete(commonring); - - return i; -} - - -static void -brcmf_msgbuf_rxbuf_data_fill(struct brcmf_msgbuf *msgbuf) -{ - u32 fillbufs; - u32 retcount; - - fillbufs = msgbuf->max_rxbufpost - msgbuf->rxbufpost; - - while (fillbufs) { - retcount = brcmf_msgbuf_rxbuf_data_post(msgbuf, fillbufs); - if (!retcount) - break; - msgbuf->rxbufpost += retcount; - fillbufs -= retcount; - } -} - - -static void -brcmf_msgbuf_update_rxbufpost_count(struct brcmf_msgbuf *msgbuf, u16 rxcnt) -{ - msgbuf->rxbufpost -= rxcnt; - if (msgbuf->rxbufpost <= (msgbuf->max_rxbufpost - - BRCMF_MSGBUF_RXBUFPOST_THRESHOLD)) - brcmf_msgbuf_rxbuf_data_fill(msgbuf); -} - - -static u32 -brcmf_msgbuf_rxbuf_ctrl_post(struct brcmf_msgbuf *msgbuf, bool event_buf, - u32 count) -{ - struct brcmf_commonring *commonring; - void *ret_ptr; - struct sk_buff *skb; - u16 alloced; - u32 pktlen; - dma_addr_t physaddr; - struct msgbuf_rx_ioctl_resp_or_event *rx_bufpost; - u64 address; - u32 pktid; - u32 i; - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT]; - brcmf_commonring_lock(commonring); - ret_ptr = brcmf_commonring_reserve_for_write_multiple(commonring, - count, - &alloced); - if (!ret_ptr) { - brcmf_err("Failed to reserve space in commonring\n"); - brcmf_commonring_unlock(commonring); - return 0; - } - - for (i = 0; i < alloced; i++) { - rx_bufpost = (struct msgbuf_rx_ioctl_resp_or_event *)ret_ptr; - memset(rx_bufpost, 0, sizeof(*rx_bufpost)); - - skb = brcmu_pkt_buf_get_skb(BRCMF_MSGBUF_MAX_PKT_SIZE); - - if (skb == NULL) { - brcmf_err("Failed to alloc SKB\n"); - brcmf_commonring_write_cancel(commonring, alloced - i); - break; - } - - pktlen = skb->len; - if (brcmf_msgbuf_alloc_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids, skb, 0, - &physaddr, &pktid)) { - dev_kfree_skb_any(skb); - brcmf_err("No PKTID available !!\n"); - brcmf_commonring_write_cancel(commonring, alloced - i); - break; - } - if (event_buf) - rx_bufpost->msg.msgtype = MSGBUF_TYPE_EVENT_BUF_POST; - else - rx_bufpost->msg.msgtype = - MSGBUF_TYPE_IOCTLRESP_BUF_POST; - rx_bufpost->msg.request_id = cpu_to_le32(pktid); - - address = (u64)physaddr; - rx_bufpost->host_buf_len = cpu_to_le16((u16)pktlen); - rx_bufpost->host_buf_addr.high_addr = - cpu_to_le32(address >> 32); - rx_bufpost->host_buf_addr.low_addr = - cpu_to_le32(address & 0xffffffff); - - ret_ptr += brcmf_commonring_len_item(commonring); - } - - if (i) - brcmf_commonring_write_complete(commonring); - - brcmf_commonring_unlock(commonring); - - return i; -} - - -static void brcmf_msgbuf_rxbuf_ioctlresp_post(struct brcmf_msgbuf *msgbuf) -{ - u32 count; - - count = msgbuf->max_ioctlrespbuf - msgbuf->cur_ioctlrespbuf; - count = brcmf_msgbuf_rxbuf_ctrl_post(msgbuf, false, count); - msgbuf->cur_ioctlrespbuf += count; -} - - -static void brcmf_msgbuf_rxbuf_event_post(struct brcmf_msgbuf *msgbuf) -{ - u32 count; - - count = msgbuf->max_eventbuf - msgbuf->cur_eventbuf; - count = brcmf_msgbuf_rxbuf_ctrl_post(msgbuf, true, count); - msgbuf->cur_eventbuf += count; -} - - -static void -brcmf_msgbuf_rx_skb(struct brcmf_msgbuf *msgbuf, struct sk_buff *skb, - u8 ifidx) -{ - struct brcmf_if *ifp; - - ifp = brcmf_get_ifp(msgbuf->drvr, ifidx); - if (!ifp || !ifp->ndev) { - brcmf_err("Received pkt for invalid ifidx %d\n", ifidx); - brcmu_pkt_buf_free_skb(skb); - return; - } - brcmf_netif_rx(ifp, skb); -} - - -static void brcmf_msgbuf_process_event(struct brcmf_msgbuf *msgbuf, void *buf) -{ - struct msgbuf_rx_event *event; - u32 idx; - u16 buflen; - struct sk_buff *skb; - - event = (struct msgbuf_rx_event *)buf; - idx = le32_to_cpu(event->msg.request_id); - buflen = le16_to_cpu(event->event_data_len); - - if (msgbuf->cur_eventbuf) - msgbuf->cur_eventbuf--; - brcmf_msgbuf_rxbuf_event_post(msgbuf); - - skb = brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids, idx); - if (!skb) - return; - - if (msgbuf->rx_dataoffset) - skb_pull(skb, msgbuf->rx_dataoffset); - - skb_trim(skb, buflen); - - brcmf_msgbuf_rx_skb(msgbuf, skb, event->msg.ifidx); -} - - -static void -brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf) -{ - struct msgbuf_rx_complete *rx_complete; - struct sk_buff *skb; - u16 data_offset; - u16 buflen; - u32 idx; - - brcmf_msgbuf_update_rxbufpost_count(msgbuf, 1); - - rx_complete = (struct msgbuf_rx_complete *)buf; - data_offset = le16_to_cpu(rx_complete->data_offset); - buflen = le16_to_cpu(rx_complete->data_len); - idx = le32_to_cpu(rx_complete->msg.request_id); - - skb = brcmf_msgbuf_get_pktid(msgbuf->drvr->bus_if->dev, - msgbuf->rx_pktids, idx); - if (!skb) - return; - - if (data_offset) - skb_pull(skb, data_offset); - else if (msgbuf->rx_dataoffset) - skb_pull(skb, msgbuf->rx_dataoffset); - - skb_trim(skb, buflen); - - brcmf_msgbuf_rx_skb(msgbuf, skb, rx_complete->msg.ifidx); -} - - -static void -brcmf_msgbuf_process_flow_ring_create_response(struct brcmf_msgbuf *msgbuf, - void *buf) -{ - struct msgbuf_flowring_create_resp *flowring_create_resp; - u16 status; - u16 flowid; - - flowring_create_resp = (struct msgbuf_flowring_create_resp *)buf; - - flowid = le16_to_cpu(flowring_create_resp->compl_hdr.flow_ring_id); - flowid -= BRCMF_NROF_H2D_COMMON_MSGRINGS; - status = le16_to_cpu(flowring_create_resp->compl_hdr.status); - - if (status) { - brcmf_err("Flowring creation failed, code %d\n", status); - brcmf_msgbuf_remove_flowring(msgbuf, flowid); - return; - } - brcmf_dbg(MSGBUF, "Flowring %d Create response status %d\n", flowid, - status); - - brcmf_flowring_open(msgbuf->flow, flowid); - - brcmf_msgbuf_schedule_txdata(msgbuf, flowid, true); -} - - -static void -brcmf_msgbuf_process_flow_ring_delete_response(struct brcmf_msgbuf *msgbuf, - void *buf) -{ - struct msgbuf_flowring_delete_resp *flowring_delete_resp; - u16 status; - u16 flowid; - - flowring_delete_resp = (struct msgbuf_flowring_delete_resp *)buf; - - flowid = le16_to_cpu(flowring_delete_resp->compl_hdr.flow_ring_id); - flowid -= BRCMF_NROF_H2D_COMMON_MSGRINGS; - status = le16_to_cpu(flowring_delete_resp->compl_hdr.status); - - if (status) { - brcmf_err("Flowring deletion failed, code %d\n", status); - brcmf_flowring_delete(msgbuf->flow, flowid); - return; - } - brcmf_dbg(MSGBUF, "Flowring %d Delete response status %d\n", flowid, - status); - - brcmf_msgbuf_remove_flowring(msgbuf, flowid); -} - - -static void brcmf_msgbuf_process_msgtype(struct brcmf_msgbuf *msgbuf, void *buf) -{ - struct msgbuf_common_hdr *msg; - - msg = (struct msgbuf_common_hdr *)buf; - switch (msg->msgtype) { - case MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT\n"); - brcmf_msgbuf_process_flow_ring_create_response(msgbuf, buf); - break; - case MSGBUF_TYPE_FLOW_RING_DELETE_CMPLT: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_FLOW_RING_DELETE_CMPLT\n"); - brcmf_msgbuf_process_flow_ring_delete_response(msgbuf, buf); - break; - case MSGBUF_TYPE_IOCTLPTR_REQ_ACK: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_IOCTLPTR_REQ_ACK\n"); - break; - case MSGBUF_TYPE_IOCTL_CMPLT: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_IOCTL_CMPLT\n"); - brcmf_msgbuf_process_ioctl_complete(msgbuf, buf); - break; - case MSGBUF_TYPE_WL_EVENT: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_WL_EVENT\n"); - brcmf_msgbuf_process_event(msgbuf, buf); - break; - case MSGBUF_TYPE_TX_STATUS: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_TX_STATUS\n"); - brcmf_msgbuf_process_txstatus(msgbuf, buf); - break; - case MSGBUF_TYPE_RX_CMPLT: - brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RX_CMPLT\n"); - brcmf_msgbuf_process_rx_complete(msgbuf, buf); - break; - default: - brcmf_err("Unsupported msgtype %d\n", msg->msgtype); - break; - } -} - - -static void brcmf_msgbuf_process_rx(struct brcmf_msgbuf *msgbuf, - struct brcmf_commonring *commonring) -{ - void *buf; - u16 count; - u16 processed; - -again: - buf = brcmf_commonring_get_read_ptr(commonring, &count); - if (buf == NULL) - return; - - processed = 0; - while (count) { - brcmf_msgbuf_process_msgtype(msgbuf, - buf + msgbuf->rx_dataoffset); - buf += brcmf_commonring_len_item(commonring); - processed++; - if (processed == BRCMF_MSGBUF_UPDATE_RX_PTR_THRS) { - brcmf_commonring_read_complete(commonring, processed); - processed = 0; - } - count--; - } - if (processed) - brcmf_commonring_read_complete(commonring, processed); - - if (commonring->r_ptr == 0) - goto again; -} - - -int brcmf_proto_msgbuf_rx_trigger(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct brcmf_commonring *commonring; - void *buf; - u32 flowid; - int qlen; - - buf = msgbuf->commonrings[BRCMF_D2H_MSGRING_RX_COMPLETE]; - brcmf_msgbuf_process_rx(msgbuf, buf); - buf = msgbuf->commonrings[BRCMF_D2H_MSGRING_TX_COMPLETE]; - brcmf_msgbuf_process_rx(msgbuf, buf); - buf = msgbuf->commonrings[BRCMF_D2H_MSGRING_CONTROL_COMPLETE]; - brcmf_msgbuf_process_rx(msgbuf, buf); - - for_each_set_bit(flowid, msgbuf->txstatus_done_map, - msgbuf->nrof_flowrings) { - clear_bit(flowid, msgbuf->txstatus_done_map); - commonring = msgbuf->flowrings[flowid]; - qlen = brcmf_flowring_qlen(msgbuf->flow, flowid); - if ((qlen > BRCMF_MSGBUF_TRICKLE_TXWORKER_THRS) || - ((qlen) && (atomic_read(&commonring->outstanding_tx) < - BRCMF_MSGBUF_TRICKLE_TXWORKER_THRS))) - brcmf_msgbuf_schedule_txdata(msgbuf, flowid, true); - } - - return 0; -} - - -void brcmf_msgbuf_delete_flowring(struct brcmf_pub *drvr, u8 flowid) -{ - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct msgbuf_tx_flowring_delete_req *delete; - struct brcmf_commonring *commonring; - void *ret_ptr; - u8 ifidx; - int err; - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT]; - brcmf_commonring_lock(commonring); - ret_ptr = brcmf_commonring_reserve_for_write(commonring); - if (!ret_ptr) { - brcmf_err("FW unaware, flowring will be removed !!\n"); - brcmf_commonring_unlock(commonring); - brcmf_msgbuf_remove_flowring(msgbuf, flowid); - return; - } - - delete = (struct msgbuf_tx_flowring_delete_req *)ret_ptr; - - ifidx = brcmf_flowring_ifidx_get(msgbuf->flow, flowid); - - delete->msg.msgtype = MSGBUF_TYPE_FLOW_RING_DELETE; - delete->msg.ifidx = ifidx; - delete->msg.request_id = 0; - - delete->flow_ring_id = cpu_to_le16(flowid + - BRCMF_NROF_H2D_COMMON_MSGRINGS); - delete->reason = 0; - - brcmf_dbg(MSGBUF, "Send Flow Delete Req flow ID %d, ifindex %d\n", - flowid, ifidx); - - err = brcmf_commonring_write_complete(commonring); - brcmf_commonring_unlock(commonring); - if (err) { - brcmf_err("Failed to submit RING_DELETE, flowring will be removed\n"); - brcmf_msgbuf_remove_flowring(msgbuf, flowid); - } -} - -#ifdef DEBUG -static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); - struct brcmf_pub *drvr = bus_if->drvr; - struct brcmf_msgbuf *msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - struct brcmf_commonring *commonring; - u16 i; - struct brcmf_flowring_ring *ring; - struct brcmf_flowring_hash *hash; - - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT]; - seq_printf(seq, "h2d_ctl_submit: rp %4u, wp %4u, depth %4u\n", - commonring->r_ptr, commonring->w_ptr, commonring->depth); - commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_RXPOST_SUBMIT]; - seq_printf(seq, "h2d_rx_submit: rp %4u, wp %4u, depth %4u\n", - commonring->r_ptr, commonring->w_ptr, commonring->depth); - commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_CONTROL_COMPLETE]; - seq_printf(seq, "d2h_ctl_cmplt: rp %4u, wp %4u, depth %4u\n", - commonring->r_ptr, commonring->w_ptr, commonring->depth); - commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_TX_COMPLETE]; - seq_printf(seq, "d2h_tx_cmplt: rp %4u, wp %4u, depth %4u\n", - commonring->r_ptr, commonring->w_ptr, commonring->depth); - commonring = msgbuf->commonrings[BRCMF_D2H_MSGRING_RX_COMPLETE]; - seq_printf(seq, "d2h_rx_cmplt: rp %4u, wp %4u, depth %4u\n", - commonring->r_ptr, commonring->w_ptr, commonring->depth); - - seq_printf(seq, "\nh2d_flowrings: depth %u\n", - BRCMF_H2D_TXFLOWRING_MAX_ITEM); - seq_puts(seq, "Active flowrings:\n"); - hash = msgbuf->flow->hash; - for (i = 0; i < msgbuf->flow->nrofrings; i++) { - if (!msgbuf->flow->rings[i]) - continue; - ring = msgbuf->flow->rings[i]; - if (ring->status != RING_OPEN) - continue; - commonring = msgbuf->flowrings[i]; - hash = &msgbuf->flow->hash[ring->hash_id]; - seq_printf(seq, "id %3u: rp %4u, wp %4u, qlen %4u, blocked %u\n" - " ifidx %u, fifo %u, da %pM\n", - i, commonring->r_ptr, commonring->w_ptr, - skb_queue_len(&ring->skblist), ring->blocked, - hash->ifidx, hash->fifo, hash->mac); - } - - return 0; -} -#else -static int brcmf_msgbuf_stats_read(struct seq_file *seq, void *data) -{ - return 0; -} -#endif - -int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) -{ - struct brcmf_bus_msgbuf *if_msgbuf; - struct brcmf_msgbuf *msgbuf; - u64 address; - u32 count; - - if_msgbuf = drvr->bus_if->msgbuf; - msgbuf = kzalloc(sizeof(*msgbuf), GFP_KERNEL); - if (!msgbuf) - goto fail; - - msgbuf->txflow_wq = create_singlethread_workqueue("msgbuf_txflow"); - if (msgbuf->txflow_wq == NULL) { - brcmf_err("workqueue creation failed\n"); - goto fail; - } - INIT_WORK(&msgbuf->txflow_work, brcmf_msgbuf_txflow_worker); - count = BITS_TO_LONGS(if_msgbuf->nrof_flowrings); - count = count * sizeof(unsigned long); - msgbuf->flow_map = kzalloc(count, GFP_KERNEL); - if (!msgbuf->flow_map) - goto fail; - - msgbuf->txstatus_done_map = kzalloc(count, GFP_KERNEL); - if (!msgbuf->txstatus_done_map) - goto fail; - - msgbuf->drvr = drvr; - msgbuf->ioctbuf = dma_alloc_coherent(drvr->bus_if->dev, - BRCMF_TX_IOCTL_MAX_MSG_SIZE, - &msgbuf->ioctbuf_handle, - GFP_KERNEL); - if (!msgbuf->ioctbuf) - goto fail; - address = (u64)msgbuf->ioctbuf_handle; - msgbuf->ioctbuf_phys_hi = address >> 32; - msgbuf->ioctbuf_phys_lo = address & 0xffffffff; - - drvr->proto->hdrpull = brcmf_msgbuf_hdrpull; - drvr->proto->query_dcmd = brcmf_msgbuf_query_dcmd; - drvr->proto->set_dcmd = brcmf_msgbuf_set_dcmd; - drvr->proto->txdata = brcmf_msgbuf_txdata; - drvr->proto->configure_addr_mode = brcmf_msgbuf_configure_addr_mode; - drvr->proto->delete_peer = brcmf_msgbuf_delete_peer; - drvr->proto->add_tdls_peer = brcmf_msgbuf_add_tdls_peer; - drvr->proto->pd = msgbuf; - - init_waitqueue_head(&msgbuf->ioctl_resp_wait); - - msgbuf->commonrings = - (struct brcmf_commonring **)if_msgbuf->commonrings; - msgbuf->flowrings = (struct brcmf_commonring **)if_msgbuf->flowrings; - msgbuf->nrof_flowrings = if_msgbuf->nrof_flowrings; - msgbuf->flowring_dma_handle = kzalloc(msgbuf->nrof_flowrings * - sizeof(*msgbuf->flowring_dma_handle), GFP_KERNEL); - if (!msgbuf->flowring_dma_handle) - goto fail; - - msgbuf->rx_dataoffset = if_msgbuf->rx_dataoffset; - msgbuf->max_rxbufpost = if_msgbuf->max_rxbufpost; - - msgbuf->max_ioctlrespbuf = BRCMF_MSGBUF_MAX_IOCTLRESPBUF_POST; - msgbuf->max_eventbuf = BRCMF_MSGBUF_MAX_EVENTBUF_POST; - - msgbuf->tx_pktids = brcmf_msgbuf_init_pktids(NR_TX_PKTIDS, - DMA_TO_DEVICE); - if (!msgbuf->tx_pktids) - goto fail; - msgbuf->rx_pktids = brcmf_msgbuf_init_pktids(NR_RX_PKTIDS, - DMA_FROM_DEVICE); - if (!msgbuf->rx_pktids) - goto fail; - - msgbuf->flow = brcmf_flowring_attach(drvr->bus_if->dev, - if_msgbuf->nrof_flowrings); - if (!msgbuf->flow) - goto fail; - - - brcmf_dbg(MSGBUF, "Feeding buffers, rx data %d, rx event %d, rx ioctl resp %d\n", - msgbuf->max_rxbufpost, msgbuf->max_eventbuf, - msgbuf->max_ioctlrespbuf); - count = 0; - do { - brcmf_msgbuf_rxbuf_data_fill(msgbuf); - if (msgbuf->max_rxbufpost != msgbuf->rxbufpost) - msleep(10); - else - break; - count++; - } while (count < 10); - brcmf_msgbuf_rxbuf_event_post(msgbuf); - brcmf_msgbuf_rxbuf_ioctlresp_post(msgbuf); - - INIT_WORK(&msgbuf->flowring_work, brcmf_msgbuf_flowring_worker); - spin_lock_init(&msgbuf->flowring_work_lock); - INIT_LIST_HEAD(&msgbuf->work_queue); - - brcmf_debugfs_add_entry(drvr, "msgbuf_stats", brcmf_msgbuf_stats_read); - - return 0; - -fail: - if (msgbuf) { - kfree(msgbuf->flow_map); - kfree(msgbuf->txstatus_done_map); - brcmf_msgbuf_release_pktids(msgbuf); - kfree(msgbuf->flowring_dma_handle); - if (msgbuf->ioctbuf) - dma_free_coherent(drvr->bus_if->dev, - BRCMF_TX_IOCTL_MAX_MSG_SIZE, - msgbuf->ioctbuf, - msgbuf->ioctbuf_handle); - kfree(msgbuf); - } - return -ENOMEM; -} - - -void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr) -{ - struct brcmf_msgbuf *msgbuf; - struct brcmf_msgbuf_work_item *work; - - brcmf_dbg(TRACE, "Enter\n"); - if (drvr->proto->pd) { - msgbuf = (struct brcmf_msgbuf *)drvr->proto->pd; - cancel_work_sync(&msgbuf->flowring_work); - while (!list_empty(&msgbuf->work_queue)) { - work = list_first_entry(&msgbuf->work_queue, - struct brcmf_msgbuf_work_item, - queue); - list_del(&work->queue); - kfree(work); - } - kfree(msgbuf->flow_map); - kfree(msgbuf->txstatus_done_map); - if (msgbuf->txflow_wq) - destroy_workqueue(msgbuf->txflow_wq); - - brcmf_flowring_detach(msgbuf->flow); - dma_free_coherent(drvr->bus_if->dev, - BRCMF_TX_IOCTL_MAX_MSG_SIZE, - msgbuf->ioctbuf, msgbuf->ioctbuf_handle); - brcmf_msgbuf_release_pktids(msgbuf); - kfree(msgbuf->flowring_dma_handle); - kfree(msgbuf); - drvr->proto->pd = NULL; - } -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.h b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.h deleted file mode 100644 index 3d513e407e3d..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.h +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_MSGBUF_H -#define BRCMFMAC_MSGBUF_H - -#ifdef CONFIG_BRCMFMAC_PROTO_MSGBUF - -#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT_MAX_ITEM 64 -#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT_MAX_ITEM 512 -#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE_MAX_ITEM 64 -#define BRCMF_D2H_MSGRING_TX_COMPLETE_MAX_ITEM 1024 -#define BRCMF_D2H_MSGRING_RX_COMPLETE_MAX_ITEM 512 -#define BRCMF_H2D_TXFLOWRING_MAX_ITEM 512 - -#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT_ITEMSIZE 40 -#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT_ITEMSIZE 32 -#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE_ITEMSIZE 24 -#define BRCMF_D2H_MSGRING_TX_COMPLETE_ITEMSIZE 16 -#define BRCMF_D2H_MSGRING_RX_COMPLETE_ITEMSIZE 32 -#define BRCMF_H2D_TXFLOWRING_ITEMSIZE 48 - - -int brcmf_proto_msgbuf_rx_trigger(struct device *dev); -void brcmf_msgbuf_delete_flowring(struct brcmf_pub *drvr, u8 flowid); -int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr); -void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr); -#else -static inline int brcmf_proto_msgbuf_attach(struct brcmf_pub *drvr) -{ - return 0; -} -static inline void brcmf_proto_msgbuf_detach(struct brcmf_pub *drvr) {} -#endif - -#endif /* BRCMFMAC_MSGBUF_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.c b/drivers/net/wireless/brcm80211/brcmfmac/of.c deleted file mode 100644 index 03f35e0c52ca..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/of.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/init.h> -#include <linux/of.h> -#include <linux/of_irq.h> -#include <linux/mmc/card.h> -#include <linux/platform_data/brcmfmac-sdio.h> -#include <linux/mmc/sdio_func.h> - -#include <defs.h> -#include "debug.h" -#include "sdio.h" - -void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev) -{ - struct device *dev = sdiodev->dev; - struct device_node *np = dev->of_node; - int irq; - u32 irqf; - u32 val; - - if (!np || !of_device_is_compatible(np, "brcm,bcm4329-fmac")) - return; - - sdiodev->pdata = devm_kzalloc(dev, sizeof(*sdiodev->pdata), GFP_KERNEL); - if (!sdiodev->pdata) - return; - - if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0) - sdiodev->pdata->drive_strength = val; - - /* make sure there are interrupts defined in the node */ - if (!of_find_property(np, "interrupts", NULL)) - return; - - irq = irq_of_parse_and_map(np, 0); - if (!irq) { - brcmf_err("interrupt could not be mapped\n"); - return; - } - irqf = irqd_get_trigger_type(irq_get_irq_data(irq)); - - sdiodev->pdata->oob_irq_supported = true; - sdiodev->pdata->oob_irq_nr = irq; - sdiodev->pdata->oob_irq_flags = irqf; -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/of.h b/drivers/net/wireless/brcm80211/brcmfmac/of.h deleted file mode 100644 index 5f7c3550deda..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/of.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifdef CONFIG_OF -void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev); -#else -static void brcmf_of_probe(struct brcmf_sdio_dev *sdiodev) -{ -} -#endif /* CONFIG_OF */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/brcm80211/brcmfmac/p2p.c deleted file mode 100644 index d224b3dd72ed..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.c +++ /dev/null @@ -1,2401 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <linux/slab.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/rtnetlink.h> -#include <net/cfg80211.h> - -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include <defs.h> -#include "core.h" -#include "debug.h" -#include "fwil.h" -#include "fwil_types.h" -#include "p2p.h" -#include "cfg80211.h" - -/* parameters used for p2p escan */ -#define P2PAPI_SCAN_NPROBES 1 -#define P2PAPI_SCAN_DWELL_TIME_MS 80 -#define P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS 40 -#define P2PAPI_SCAN_HOME_TIME_MS 60 -#define P2PAPI_SCAN_NPROBS_TIME_MS 30 -#define P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS 100 -#define WL_SCAN_CONNECT_DWELL_TIME_MS 200 -#define WL_SCAN_JOIN_PROBE_INTERVAL_MS 20 - -#define BRCMF_P2P_WILDCARD_SSID "DIRECT-" -#define BRCMF_P2P_WILDCARD_SSID_LEN (sizeof(BRCMF_P2P_WILDCARD_SSID) - 1) - -#define SOCIAL_CHAN_1 1 -#define SOCIAL_CHAN_2 6 -#define SOCIAL_CHAN_3 11 -#define IS_P2P_SOCIAL_CHANNEL(channel) ((channel == SOCIAL_CHAN_1) || \ - (channel == SOCIAL_CHAN_2) || \ - (channel == SOCIAL_CHAN_3)) -#define BRCMF_P2P_TEMP_CHAN SOCIAL_CHAN_3 -#define SOCIAL_CHAN_CNT 3 -#define AF_PEER_SEARCH_CNT 2 - -#define BRCMF_SCB_TIMEOUT_VALUE 20 - -#define P2P_VER 9 /* P2P version: 9=WiFi P2P v1.0 */ -#define P2P_PUB_AF_CATEGORY 0x04 -#define P2P_PUB_AF_ACTION 0x09 -#define P2P_AF_CATEGORY 0x7f -#define P2P_OUI "\x50\x6F\x9A" /* P2P OUI */ -#define P2P_OUI_LEN 3 /* P2P OUI length */ - -/* Action Frame Constants */ -#define DOT11_ACTION_HDR_LEN 2 /* action frame category + action */ -#define DOT11_ACTION_CAT_OFF 0 /* category offset */ -#define DOT11_ACTION_ACT_OFF 1 /* action offset */ - -#define P2P_AF_DWELL_TIME 200 -#define P2P_AF_MIN_DWELL_TIME 100 -#define P2P_AF_MED_DWELL_TIME 400 -#define P2P_AF_LONG_DWELL_TIME 1000 -#define P2P_AF_TX_MAX_RETRY 1 -#define P2P_AF_MAX_WAIT_TIME 2000 -#define P2P_INVALID_CHANNEL -1 -#define P2P_CHANNEL_SYNC_RETRY 5 -#define P2P_AF_FRM_SCAN_MAX_WAIT 1500 -#define P2P_DEFAULT_SLEEP_TIME_VSDB 200 - -/* WiFi P2P Public Action Frame OUI Subtypes */ -#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */ -#define P2P_PAF_GON_RSP 1 /* Group Owner Negotiation Rsp */ -#define P2P_PAF_GON_CONF 2 /* Group Owner Negotiation Confirm */ -#define P2P_PAF_INVITE_REQ 3 /* P2P Invitation Request */ -#define P2P_PAF_INVITE_RSP 4 /* P2P Invitation Response */ -#define P2P_PAF_DEVDIS_REQ 5 /* Device Discoverability Request */ -#define P2P_PAF_DEVDIS_RSP 6 /* Device Discoverability Response */ -#define P2P_PAF_PROVDIS_REQ 7 /* Provision Discovery Request */ -#define P2P_PAF_PROVDIS_RSP 8 /* Provision Discovery Response */ -#define P2P_PAF_SUBTYPE_INVALID 255 /* Invalid Subtype */ - -/* WiFi P2P Action Frame OUI Subtypes */ -#define P2P_AF_NOTICE_OF_ABSENCE 0 /* Notice of Absence */ -#define P2P_AF_PRESENCE_REQ 1 /* P2P Presence Request */ -#define P2P_AF_PRESENCE_RSP 2 /* P2P Presence Response */ -#define P2P_AF_GO_DISC_REQ 3 /* GO Discoverability Request */ - -/* P2P Service Discovery related */ -#define P2PSD_ACTION_CATEGORY 0x04 /* Public action frame */ -#define P2PSD_ACTION_ID_GAS_IREQ 0x0a /* GAS Initial Request AF */ -#define P2PSD_ACTION_ID_GAS_IRESP 0x0b /* GAS Initial Response AF */ -#define P2PSD_ACTION_ID_GAS_CREQ 0x0c /* GAS Comback Request AF */ -#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */ - -/** - * struct brcmf_p2p_disc_st_le - set discovery state in firmware. - * - * @state: requested discovery state (see enum brcmf_p2p_disc_state). - * @chspec: channel parameter for %WL_P2P_DISC_ST_LISTEN state. - * @dwell: dwell time in ms for %WL_P2P_DISC_ST_LISTEN state. - */ -struct brcmf_p2p_disc_st_le { - u8 state; - __le16 chspec; - __le16 dwell; -}; - -/** - * enum brcmf_p2p_disc_state - P2P discovery state values - * - * @WL_P2P_DISC_ST_SCAN: P2P discovery with wildcard SSID and P2P IE. - * @WL_P2P_DISC_ST_LISTEN: P2P discovery off-channel for specified time. - * @WL_P2P_DISC_ST_SEARCH: P2P discovery with P2P wildcard SSID and P2P IE. - */ -enum brcmf_p2p_disc_state { - WL_P2P_DISC_ST_SCAN, - WL_P2P_DISC_ST_LISTEN, - WL_P2P_DISC_ST_SEARCH -}; - -/** - * struct brcmf_p2p_scan_le - P2P specific scan request. - * - * @type: type of scan method requested (values: 'E' or 'S'). - * @reserved: reserved (ignored). - * @eparams: parameters used for type 'E'. - * @sparams: parameters used for type 'S'. - */ -struct brcmf_p2p_scan_le { - u8 type; - u8 reserved[3]; - union { - struct brcmf_escan_params_le eparams; - struct brcmf_scan_params_le sparams; - }; -}; - -/** - * struct brcmf_p2p_pub_act_frame - WiFi P2P Public Action Frame - * - * @category: P2P_PUB_AF_CATEGORY - * @action: P2P_PUB_AF_ACTION - * @oui[3]: P2P_OUI - * @oui_type: OUI type - P2P_VER - * @subtype: OUI subtype - P2P_TYPE_* - * @dialog_token: nonzero, identifies req/rsp transaction - * @elts[1]: Variable length information elements. - */ -struct brcmf_p2p_pub_act_frame { - u8 category; - u8 action; - u8 oui[3]; - u8 oui_type; - u8 subtype; - u8 dialog_token; - u8 elts[1]; -}; - -/** - * struct brcmf_p2p_action_frame - WiFi P2P Action Frame - * - * @category: P2P_AF_CATEGORY - * @OUI[3]: OUI - P2P_OUI - * @type: OUI Type - P2P_VER - * @subtype: OUI Subtype - P2P_AF_* - * @dialog_token: nonzero, identifies req/resp tranaction - * @elts[1]: Variable length information elements. - */ -struct brcmf_p2p_action_frame { - u8 category; - u8 oui[3]; - u8 type; - u8 subtype; - u8 dialog_token; - u8 elts[1]; -}; - -/** - * struct brcmf_p2psd_gas_pub_act_frame - Wi-Fi GAS Public Action Frame - * - * @category: 0x04 Public Action Frame - * @action: 0x6c Advertisement Protocol - * @dialog_token: nonzero, identifies req/rsp transaction - * @query_data[1]: Query Data. SD gas ireq SD gas iresp - */ -struct brcmf_p2psd_gas_pub_act_frame { - u8 category; - u8 action; - u8 dialog_token; - u8 query_data[1]; -}; - -/** - * struct brcmf_config_af_params - Action Frame Parameters for tx. - * - * @mpc_onoff: To make sure to send successfully action frame, we have to - * turn off mpc 0: off, 1: on, (-1): do nothing - * @search_channel: 1: search peer's channel to send af - * extra_listen: keep the dwell time to get af response frame. - */ -struct brcmf_config_af_params { - s32 mpc_onoff; - bool search_channel; - bool extra_listen; -}; - -/** - * brcmf_p2p_is_pub_action() - true if p2p public type frame. - * - * @frame: action frame data. - * @frame_len: length of action frame data. - * - * Determine if action frame is p2p public action type - */ -static bool brcmf_p2p_is_pub_action(void *frame, u32 frame_len) -{ - struct brcmf_p2p_pub_act_frame *pact_frm; - - if (frame == NULL) - return false; - - pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; - if (frame_len < sizeof(struct brcmf_p2p_pub_act_frame) - 1) - return false; - - if (pact_frm->category == P2P_PUB_AF_CATEGORY && - pact_frm->action == P2P_PUB_AF_ACTION && - pact_frm->oui_type == P2P_VER && - memcmp(pact_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) - return true; - - return false; -} - -/** - * brcmf_p2p_is_p2p_action() - true if p2p action type frame. - * - * @frame: action frame data. - * @frame_len: length of action frame data. - * - * Determine if action frame is p2p action type - */ -static bool brcmf_p2p_is_p2p_action(void *frame, u32 frame_len) -{ - struct brcmf_p2p_action_frame *act_frm; - - if (frame == NULL) - return false; - - act_frm = (struct brcmf_p2p_action_frame *)frame; - if (frame_len < sizeof(struct brcmf_p2p_action_frame) - 1) - return false; - - if (act_frm->category == P2P_AF_CATEGORY && - act_frm->type == P2P_VER && - memcmp(act_frm->oui, P2P_OUI, P2P_OUI_LEN) == 0) - return true; - - return false; -} - -/** - * brcmf_p2p_is_gas_action() - true if p2p gas action type frame. - * - * @frame: action frame data. - * @frame_len: length of action frame data. - * - * Determine if action frame is p2p gas action type - */ -static bool brcmf_p2p_is_gas_action(void *frame, u32 frame_len) -{ - struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; - - if (frame == NULL) - return false; - - sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; - if (frame_len < sizeof(struct brcmf_p2psd_gas_pub_act_frame) - 1) - return false; - - if (sd_act_frm->category != P2PSD_ACTION_CATEGORY) - return false; - - if (sd_act_frm->action == P2PSD_ACTION_ID_GAS_IREQ || - sd_act_frm->action == P2PSD_ACTION_ID_GAS_IRESP || - sd_act_frm->action == P2PSD_ACTION_ID_GAS_CREQ || - sd_act_frm->action == P2PSD_ACTION_ID_GAS_CRESP) - return true; - - return false; -} - -/** - * brcmf_p2p_print_actframe() - debug print routine. - * - * @tx: Received or to be transmitted - * @frame: action frame data. - * @frame_len: length of action frame data. - * - * Print information about the p2p action frame - */ - -#ifdef DEBUG - -static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) -{ - struct brcmf_p2p_pub_act_frame *pact_frm; - struct brcmf_p2p_action_frame *act_frm; - struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; - - if (!frame || frame_len <= 2) - return; - - if (brcmf_p2p_is_pub_action(frame, frame_len)) { - pact_frm = (struct brcmf_p2p_pub_act_frame *)frame; - switch (pact_frm->subtype) { - case P2P_PAF_GON_REQ: - brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Req Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_GON_RSP: - brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Rsp Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_GON_CONF: - brcmf_dbg(TRACE, "%s P2P Group Owner Negotiation Confirm Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_INVITE_REQ: - brcmf_dbg(TRACE, "%s P2P Invitation Request Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_INVITE_RSP: - brcmf_dbg(TRACE, "%s P2P Invitation Response Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_DEVDIS_REQ: - brcmf_dbg(TRACE, "%s P2P Device Discoverability Request Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_DEVDIS_RSP: - brcmf_dbg(TRACE, "%s P2P Device Discoverability Response Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_PROVDIS_REQ: - brcmf_dbg(TRACE, "%s P2P Provision Discovery Request Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_PAF_PROVDIS_RSP: - brcmf_dbg(TRACE, "%s P2P Provision Discovery Response Frame\n", - (tx) ? "TX" : "RX"); - break; - default: - brcmf_dbg(TRACE, "%s Unknown P2P Public Action Frame\n", - (tx) ? "TX" : "RX"); - break; - } - } else if (brcmf_p2p_is_p2p_action(frame, frame_len)) { - act_frm = (struct brcmf_p2p_action_frame *)frame; - switch (act_frm->subtype) { - case P2P_AF_NOTICE_OF_ABSENCE: - brcmf_dbg(TRACE, "%s P2P Notice of Absence Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_AF_PRESENCE_REQ: - brcmf_dbg(TRACE, "%s P2P Presence Request Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_AF_PRESENCE_RSP: - brcmf_dbg(TRACE, "%s P2P Presence Response Frame\n", - (tx) ? "TX" : "RX"); - break; - case P2P_AF_GO_DISC_REQ: - brcmf_dbg(TRACE, "%s P2P Discoverability Request Frame\n", - (tx) ? "TX" : "RX"); - break; - default: - brcmf_dbg(TRACE, "%s Unknown P2P Action Frame\n", - (tx) ? "TX" : "RX"); - } - - } else if (brcmf_p2p_is_gas_action(frame, frame_len)) { - sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; - switch (sd_act_frm->action) { - case P2PSD_ACTION_ID_GAS_IREQ: - brcmf_dbg(TRACE, "%s P2P GAS Initial Request\n", - (tx) ? "TX" : "RX"); - break; - case P2PSD_ACTION_ID_GAS_IRESP: - brcmf_dbg(TRACE, "%s P2P GAS Initial Response\n", - (tx) ? "TX" : "RX"); - break; - case P2PSD_ACTION_ID_GAS_CREQ: - brcmf_dbg(TRACE, "%s P2P GAS Comback Request\n", - (tx) ? "TX" : "RX"); - break; - case P2PSD_ACTION_ID_GAS_CRESP: - brcmf_dbg(TRACE, "%s P2P GAS Comback Response\n", - (tx) ? "TX" : "RX"); - break; - default: - brcmf_dbg(TRACE, "%s Unknown P2P GAS Frame\n", - (tx) ? "TX" : "RX"); - break; - } - } -} - -#else - -static void brcmf_p2p_print_actframe(bool tx, void *frame, u32 frame_len) -{ -} - -#endif - - -/** - * brcmf_p2p_set_firmware() - prepare firmware for peer-to-peer operation. - * - * @ifp: ifp to use for iovars (primary). - * @p2p_mac: mac address to configure for p2p_da_override - */ -static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac) -{ - s32 ret = 0; - - brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1); - brcmf_fil_iovar_int_set(ifp, "apsta", 1); - brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 1); - - /* In case of COB type, firmware has default mac address - * After Initializing firmware, we have to set current mac address to - * firmware for P2P device address. This must be done with discovery - * disabled. - */ - brcmf_fil_iovar_int_set(ifp, "p2p_disc", 0); - - ret = brcmf_fil_iovar_data_set(ifp, "p2p_da_override", p2p_mac, - ETH_ALEN); - if (ret) - brcmf_err("failed to update device address ret %d\n", ret); - - return ret; -} - -/** - * brcmf_p2p_generate_bss_mac() - derive mac addresses for P2P. - * - * @p2p: P2P specific data. - * @dev_addr: optional device address. - * - * P2P needs mac addresses for P2P device and interface. If no device - * address it specified, these are derived from the primary net device, ie. - * the permanent ethernet address of the device. - */ -static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr) -{ - struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - bool local_admin = false; - - if (!dev_addr || is_zero_ether_addr(dev_addr)) { - dev_addr = pri_ifp->mac_addr; - local_admin = true; - } - - /* Generate the P2P Device Address. This consists of the device's - * primary MAC address with the locally administered bit set. - */ - memcpy(p2p->dev_addr, dev_addr, ETH_ALEN); - if (local_admin) - p2p->dev_addr[0] |= 0x02; - - /* Generate the P2P Interface Address. If the discovery and connection - * BSSCFGs need to simultaneously co-exist, then this address must be - * different from the P2P Device Address, but also locally administered. - */ - memcpy(p2p->int_addr, p2p->dev_addr, ETH_ALEN); - p2p->int_addr[0] |= 0x02; - p2p->int_addr[4] ^= 0x80; -} - -/** - * brcmf_p2p_scan_is_p2p_request() - is cfg80211 scan request a P2P scan. - * - * @request: the scan request as received from cfg80211. - * - * returns true if one of the ssids in the request matches the - * P2P wildcard ssid; otherwise returns false. - */ -static bool brcmf_p2p_scan_is_p2p_request(struct cfg80211_scan_request *request) -{ - struct cfg80211_ssid *ssids = request->ssids; - int i; - - for (i = 0; i < request->n_ssids; i++) { - if (ssids[i].ssid_len != BRCMF_P2P_WILDCARD_SSID_LEN) - continue; - - brcmf_dbg(INFO, "comparing ssid \"%s\"", ssids[i].ssid); - if (!memcmp(BRCMF_P2P_WILDCARD_SSID, ssids[i].ssid, - BRCMF_P2P_WILDCARD_SSID_LEN)) - return true; - } - return false; -} - -/** - * brcmf_p2p_set_discover_state - set discover state in firmware. - * - * @ifp: low-level interface object. - * @state: discover state to set. - * @chanspec: channel parameters (for state @WL_P2P_DISC_ST_LISTEN only). - * @listen_ms: duration to listen (for state @WL_P2P_DISC_ST_LISTEN only). - */ -static s32 brcmf_p2p_set_discover_state(struct brcmf_if *ifp, u8 state, - u16 chanspec, u16 listen_ms) -{ - struct brcmf_p2p_disc_st_le discover_state; - s32 ret = 0; - brcmf_dbg(TRACE, "enter\n"); - - discover_state.state = state; - discover_state.chspec = cpu_to_le16(chanspec); - discover_state.dwell = cpu_to_le16(listen_ms); - ret = brcmf_fil_bsscfg_data_set(ifp, "p2p_state", &discover_state, - sizeof(discover_state)); - return ret; -} - -/** - * brcmf_p2p_deinit_discovery() - disable P2P device discovery. - * - * @p2p: P2P specific data. - * - * Resets the discovery state and disables it in firmware. - */ -static s32 brcmf_p2p_deinit_discovery(struct brcmf_p2p_info *p2p) -{ - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(TRACE, "enter\n"); - - /* Set the discovery state to SCAN */ - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - (void)brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); - - /* Disable P2P discovery in the firmware */ - vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - (void)brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 0); - - return 0; -} - -/** - * brcmf_p2p_enable_discovery() - initialize and configure discovery. - * - * @p2p: P2P specific data. - * - * Initializes the discovery device and configure the virtual interface. - */ -static int brcmf_p2p_enable_discovery(struct brcmf_p2p_info *p2p) -{ - struct brcmf_cfg80211_vif *vif; - s32 ret = 0; - - brcmf_dbg(TRACE, "enter\n"); - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (!vif) { - brcmf_err("P2P config device not available\n"); - ret = -EPERM; - goto exit; - } - - if (test_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status)) { - brcmf_dbg(INFO, "P2P config device already configured\n"); - goto exit; - } - - /* Re-initialize P2P Discovery in the firmware */ - vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - ret = brcmf_fil_iovar_int_set(vif->ifp, "p2p_disc", 1); - if (ret < 0) { - brcmf_err("set p2p_disc error\n"); - goto exit; - } - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - ret = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_SCAN, 0, 0); - if (ret < 0) { - brcmf_err("unable to set WL_P2P_DISC_ST_SCAN\n"); - goto exit; - } - - /* - * Set wsec to any non-zero value in the discovery bsscfg - * to ensure our P2P probe responses have the privacy bit - * set in the 802.11 WPA IE. Some peer devices may not - * initiate WPS with us if this bit is not set. - */ - ret = brcmf_fil_bsscfg_int_set(vif->ifp, "wsec", AES_ENABLED); - if (ret < 0) { - brcmf_err("wsec error %d\n", ret); - goto exit; - } - - set_bit(BRCMF_P2P_STATUS_ENABLED, &p2p->status); -exit: - return ret; -} - -/** - * brcmf_p2p_escan() - initiate a P2P scan. - * - * @p2p: P2P specific data. - * @num_chans: number of channels to scan. - * @chanspecs: channel parameters for @num_chans channels. - * @search_state: P2P discover state to use. - * @action: scan action to pass to firmware. - * @bss_type: type of P2P bss. - */ -static s32 brcmf_p2p_escan(struct brcmf_p2p_info *p2p, u32 num_chans, - u16 chanspecs[], s32 search_state, u16 action, - enum p2p_bss_type bss_type) -{ - s32 ret = 0; - s32 memsize = offsetof(struct brcmf_p2p_scan_le, - eparams.params_le.channel_list); - s32 nprobes; - s32 active; - u32 i; - u8 *memblk; - struct brcmf_cfg80211_vif *vif; - struct brcmf_p2p_scan_le *p2p_params; - struct brcmf_scan_params_le *sparams; - struct brcmf_ssid ssid; - - memsize += num_chans * sizeof(__le16); - memblk = kzalloc(memsize, GFP_KERNEL); - if (!memblk) - return -ENOMEM; - - vif = p2p->bss_idx[bss_type].vif; - if (vif == NULL) { - brcmf_err("no vif for bss type %d\n", bss_type); - ret = -EINVAL; - goto exit; - } - - switch (search_state) { - case WL_P2P_DISC_ST_SEARCH: - /* - * If we in SEARCH STATE, we don't need to set SSID explictly - * because dongle use P2P WILDCARD internally by default - */ - /* use null ssid */ - ssid.SSID_len = 0; - memset(ssid.SSID, 0, sizeof(ssid.SSID)); - break; - case WL_P2P_DISC_ST_SCAN: - /* - * wpa_supplicant has p2p_find command with type social or - * progressive. For progressive, we need to set the ssid to - * P2P WILDCARD because we just do broadcast scan unless - * setting SSID. - */ - ssid.SSID_len = BRCMF_P2P_WILDCARD_SSID_LEN; - memcpy(ssid.SSID, BRCMF_P2P_WILDCARD_SSID, ssid.SSID_len); - break; - default: - brcmf_err(" invalid search state %d\n", search_state); - ret = -EINVAL; - goto exit; - } - - brcmf_p2p_set_discover_state(vif->ifp, search_state, 0, 0); - - /* - * set p2p scan parameters. - */ - p2p_params = (struct brcmf_p2p_scan_le *)memblk; - p2p_params->type = 'E'; - - /* determine the scan engine parameters */ - sparams = &p2p_params->eparams.params_le; - sparams->bss_type = DOT11_BSSTYPE_ANY; - if (p2p->cfg->active_scan) - sparams->scan_type = 0; - else - sparams->scan_type = 1; - - eth_broadcast_addr(sparams->bssid); - if (ssid.SSID_len) - memcpy(sparams->ssid_le.SSID, ssid.SSID, ssid.SSID_len); - sparams->ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); - sparams->home_time = cpu_to_le32(P2PAPI_SCAN_HOME_TIME_MS); - - /* - * SOCIAL_CHAN_CNT + 1 takes care of the Progressive scan - * supported by the supplicant. - */ - if (num_chans == SOCIAL_CHAN_CNT || num_chans == (SOCIAL_CHAN_CNT + 1)) - active = P2PAPI_SCAN_SOCIAL_DWELL_TIME_MS; - else if (num_chans == AF_PEER_SEARCH_CNT) - active = P2PAPI_SCAN_AF_SEARCH_DWELL_TIME_MS; - else if (brcmf_get_vif_state_any(p2p->cfg, BRCMF_VIF_STATUS_CONNECTED)) - active = -1; - else - active = P2PAPI_SCAN_DWELL_TIME_MS; - - /* Override scan params to find a peer for a connection */ - if (num_chans == 1) { - active = WL_SCAN_CONNECT_DWELL_TIME_MS; - /* WAR to sync with presence period of VSDB GO. - * send probe request more frequently - */ - nprobes = active / WL_SCAN_JOIN_PROBE_INTERVAL_MS; - } else { - nprobes = active / P2PAPI_SCAN_NPROBS_TIME_MS; - } - - if (nprobes <= 0) - nprobes = 1; - - brcmf_dbg(INFO, "nprobes # %d, active_time %d\n", nprobes, active); - sparams->active_time = cpu_to_le32(active); - sparams->nprobes = cpu_to_le32(nprobes); - sparams->passive_time = cpu_to_le32(-1); - sparams->channel_num = cpu_to_le32(num_chans & - BRCMF_SCAN_PARAMS_COUNT_MASK); - for (i = 0; i < num_chans; i++) - sparams->channel_list[i] = cpu_to_le16(chanspecs[i]); - - /* set the escan specific parameters */ - p2p_params->eparams.version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); - p2p_params->eparams.action = cpu_to_le16(action); - p2p_params->eparams.sync_id = cpu_to_le16(0x1234); - /* perform p2p scan on primary device */ - ret = brcmf_fil_bsscfg_data_set(vif->ifp, "p2p_scan", memblk, memsize); - if (!ret) - set_bit(BRCMF_SCAN_STATUS_BUSY, &p2p->cfg->scan_status); -exit: - kfree(memblk); - return ret; -} - -/** - * brcmf_p2p_run_escan() - escan callback for peer-to-peer. - * - * @cfg: driver private data for cfg80211 interface. - * @ndev: net device for which scan is requested. - * @request: scan request from cfg80211. - * @action: scan action. - * - * Determines the P2P discovery state based to scan request parameters and - * validates the channels in the request. - */ -static s32 brcmf_p2p_run_escan(struct brcmf_cfg80211_info *cfg, - struct brcmf_if *ifp, - struct cfg80211_scan_request *request, - u16 action) -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - s32 err = 0; - s32 search_state = WL_P2P_DISC_ST_SCAN; - struct brcmf_cfg80211_vif *vif; - struct net_device *dev = NULL; - int i, num_nodfs = 0; - u16 *chanspecs; - - brcmf_dbg(TRACE, "enter\n"); - - if (!request) { - err = -EINVAL; - goto exit; - } - - if (request->n_channels) { - chanspecs = kcalloc(request->n_channels, sizeof(*chanspecs), - GFP_KERNEL); - if (!chanspecs) { - err = -ENOMEM; - goto exit; - } - vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; - if (vif) - dev = vif->wdev.netdev; - if (request->n_channels == 3 && - request->channels[0]->hw_value == SOCIAL_CHAN_1 && - request->channels[1]->hw_value == SOCIAL_CHAN_2 && - request->channels[2]->hw_value == SOCIAL_CHAN_3) { - /* SOCIAL CHANNELS 1, 6, 11 */ - search_state = WL_P2P_DISC_ST_SEARCH; - brcmf_dbg(INFO, "P2P SEARCH PHASE START\n"); - } else if (dev != NULL && - vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) { - /* If you are already a GO, then do SEARCH only */ - brcmf_dbg(INFO, "Already a GO. Do SEARCH Only\n"); - search_state = WL_P2P_DISC_ST_SEARCH; - } else { - brcmf_dbg(INFO, "P2P SCAN STATE START\n"); - } - - /* - * no P2P scanning on passive or DFS channels. - */ - for (i = 0; i < request->n_channels; i++) { - struct ieee80211_channel *chan = request->channels[i]; - - if (chan->flags & (IEEE80211_CHAN_RADAR | - IEEE80211_CHAN_NO_IR)) - continue; - - chanspecs[i] = channel_to_chanspec(&p2p->cfg->d11inf, - chan); - brcmf_dbg(INFO, "%d: chan=%d, channel spec=%x\n", - num_nodfs, chan->hw_value, chanspecs[i]); - num_nodfs++; - } - err = brcmf_p2p_escan(p2p, num_nodfs, chanspecs, search_state, - action, P2PAPI_BSSCFG_DEVICE); - kfree(chanspecs); - } -exit: - if (err) - brcmf_err("error (%d)\n", err); - return err; -} - - -/** - * brcmf_p2p_find_listen_channel() - find listen channel in ie string. - * - * @ie: string of information elements. - * @ie_len: length of string. - * - * Scan ie for p2p ie and look for attribute 6 channel. If available determine - * channel and return it. - */ -static s32 brcmf_p2p_find_listen_channel(const u8 *ie, u32 ie_len) -{ - u8 channel_ie[5]; - s32 listen_channel; - s32 err; - - err = cfg80211_get_p2p_attr(ie, ie_len, - IEEE80211_P2P_ATTR_LISTEN_CHANNEL, - channel_ie, sizeof(channel_ie)); - if (err < 0) - return err; - - /* listen channel subel length format: */ - /* 3(country) + 1(op. class) + 1(chan num) */ - listen_channel = (s32)channel_ie[3 + 1]; - - if (listen_channel == SOCIAL_CHAN_1 || - listen_channel == SOCIAL_CHAN_2 || - listen_channel == SOCIAL_CHAN_3) { - brcmf_dbg(INFO, "Found my Listen Channel %d\n", listen_channel); - return listen_channel; - } - - return -EPERM; -} - - -/** - * brcmf_p2p_scan_prep() - prepare scan based on request. - * - * @wiphy: wiphy device. - * @request: scan request from cfg80211. - * @vif: vif on which scan request is to be executed. - * - * Prepare the scan appropriately for type of scan requested. Overrides the - * escan .run() callback for peer-to-peer scanning. - */ -int brcmf_p2p_scan_prep(struct wiphy *wiphy, - struct cfg80211_scan_request *request, - struct brcmf_cfg80211_vif *vif) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_p2p_info *p2p = &cfg->p2p; - int err = 0; - - if (brcmf_p2p_scan_is_p2p_request(request)) { - /* find my listen channel */ - err = brcmf_p2p_find_listen_channel(request->ie, - request->ie_len); - if (err < 0) - return err; - - p2p->afx_hdl.my_listen_chan = err; - - clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); - - err = brcmf_p2p_enable_discovery(p2p); - if (err) - return err; - - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - - /* override .run_escan() callback. */ - cfg->escan_info.run = brcmf_p2p_run_escan; - } - err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_PRBREQ_FLAG, - request->ie, request->ie_len); - return err; -} - - -/** - * brcmf_p2p_discover_listen() - set firmware to discover listen state. - * - * @p2p: p2p device. - * @channel: channel nr for discover listen. - * @duration: time in ms to stay on channel. - * - */ -static s32 -brcmf_p2p_discover_listen(struct brcmf_p2p_info *p2p, u16 channel, u32 duration) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmu_chan ch; - s32 err = 0; - - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (!vif) { - brcmf_err("Discovery is not set, so we have nothing to do\n"); - err = -EPERM; - goto exit; - } - - if (test_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status)) { - brcmf_err("Previous LISTEN is not completed yet\n"); - /* WAR: prevent cookie mismatch in wpa_supplicant return OK */ - goto exit; - } - - ch.chnum = channel; - ch.bw = BRCMU_CHAN_BW_20; - p2p->cfg->d11inf.encchspec(&ch); - err = brcmf_p2p_set_discover_state(vif->ifp, WL_P2P_DISC_ST_LISTEN, - ch.chspec, (u16)duration); - if (!err) { - set_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status); - p2p->remain_on_channel_cookie++; - } -exit: - return err; -} - - -/** - * brcmf_p2p_remain_on_channel() - put device on channel and stay there. - * - * @wiphy: wiphy device. - * @channel: channel to stay on. - * @duration: time in ms to remain on channel. - * - */ -int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, - struct ieee80211_channel *channel, - unsigned int duration, u64 *cookie) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_p2p_info *p2p = &cfg->p2p; - s32 err; - u16 channel_nr; - - channel_nr = ieee80211_frequency_to_channel(channel->center_freq); - brcmf_dbg(TRACE, "Enter, channel: %d, duration ms (%d)\n", channel_nr, - duration); - - err = brcmf_p2p_enable_discovery(p2p); - if (err) - goto exit; - err = brcmf_p2p_discover_listen(p2p, channel_nr, duration); - if (err) - goto exit; - - memcpy(&p2p->remain_on_channel, channel, sizeof(*channel)); - *cookie = p2p->remain_on_channel_cookie; - cfg80211_ready_on_channel(wdev, *cookie, channel, duration, GFP_KERNEL); - -exit: - return err; -} - - -/** - * brcmf_p2p_notify_listen_complete() - p2p listen has completed. - * - * @ifp: interfac control. - * @e: event message. Not used, to make it usable for fweh event dispatcher. - * @data: payload of message. Not used. - * - */ -int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_p2p_info *p2p = &cfg->p2p; - - brcmf_dbg(TRACE, "Enter\n"); - if (test_and_clear_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, - &p2p->status)) { - if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, - &p2p->status)) { - clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, - &p2p->status); - brcmf_dbg(INFO, "Listen DONE, wake up wait_next_af\n"); - complete(&p2p->wait_next_af); - } - - cfg80211_remain_on_channel_expired(&ifp->vif->wdev, - p2p->remain_on_channel_cookie, - &p2p->remain_on_channel, - GFP_KERNEL); - } - return 0; -} - - -/** - * brcmf_p2p_cancel_remain_on_channel() - cancel p2p listen state. - * - * @ifp: interfac control. - * - */ -void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp) -{ - if (!ifp) - return; - brcmf_p2p_set_discover_state(ifp, WL_P2P_DISC_ST_SCAN, 0, 0); - brcmf_p2p_notify_listen_complete(ifp, NULL, NULL); -} - - -/** - * brcmf_p2p_act_frm_search() - search function for action frame. - * - * @p2p: p2p device. - * channel: channel on which action frame is to be trasmitted. - * - * search function to reach at common channel to send action frame. When - * channel is 0 then all social channels will be used to send af - */ -static s32 brcmf_p2p_act_frm_search(struct brcmf_p2p_info *p2p, u16 channel) -{ - s32 err; - u32 channel_cnt; - u16 *default_chan_list; - u32 i; - struct brcmu_chan ch; - - brcmf_dbg(TRACE, "Enter\n"); - - if (channel) - channel_cnt = AF_PEER_SEARCH_CNT; - else - channel_cnt = SOCIAL_CHAN_CNT; - default_chan_list = kzalloc(channel_cnt * sizeof(*default_chan_list), - GFP_KERNEL); - if (default_chan_list == NULL) { - brcmf_err("channel list allocation failed\n"); - err = -ENOMEM; - goto exit; - } - ch.bw = BRCMU_CHAN_BW_20; - if (channel) { - ch.chnum = channel; - p2p->cfg->d11inf.encchspec(&ch); - /* insert same channel to the chan_list */ - for (i = 0; i < channel_cnt; i++) - default_chan_list[i] = ch.chspec; - } else { - ch.chnum = SOCIAL_CHAN_1; - p2p->cfg->d11inf.encchspec(&ch); - default_chan_list[0] = ch.chspec; - ch.chnum = SOCIAL_CHAN_2; - p2p->cfg->d11inf.encchspec(&ch); - default_chan_list[1] = ch.chspec; - ch.chnum = SOCIAL_CHAN_3; - p2p->cfg->d11inf.encchspec(&ch); - default_chan_list[2] = ch.chspec; - } - err = brcmf_p2p_escan(p2p, channel_cnt, default_chan_list, - WL_P2P_DISC_ST_SEARCH, WL_ESCAN_ACTION_START, - P2PAPI_BSSCFG_DEVICE); - kfree(default_chan_list); -exit: - return err; -} - - -/** - * brcmf_p2p_afx_handler() - afx worker thread. - * - * @work: - * - */ -static void brcmf_p2p_afx_handler(struct work_struct *work) -{ - struct afx_hdl *afx_hdl = container_of(work, struct afx_hdl, afx_work); - struct brcmf_p2p_info *p2p = container_of(afx_hdl, - struct brcmf_p2p_info, - afx_hdl); - s32 err; - - if (!afx_hdl->is_active) - return; - - if (afx_hdl->is_listen && afx_hdl->my_listen_chan) - /* 100ms ~ 300ms */ - err = brcmf_p2p_discover_listen(p2p, afx_hdl->my_listen_chan, - 100 * (1 + prandom_u32() % 3)); - else - err = brcmf_p2p_act_frm_search(p2p, afx_hdl->peer_listen_chan); - - if (err) { - brcmf_err("ERROR occurred! value is (%d)\n", err); - if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, - &p2p->status)) - complete(&afx_hdl->act_frm_scan); - } -} - - -/** - * brcmf_p2p_af_searching_channel() - search channel. - * - * @p2p: p2p device info struct. - * - */ -static s32 brcmf_p2p_af_searching_channel(struct brcmf_p2p_info *p2p) -{ - struct afx_hdl *afx_hdl = &p2p->afx_hdl; - struct brcmf_cfg80211_vif *pri_vif; - unsigned long duration; - s32 retry; - - brcmf_dbg(TRACE, "Enter\n"); - - pri_vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - - reinit_completion(&afx_hdl->act_frm_scan); - set_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); - afx_hdl->is_active = true; - afx_hdl->peer_chan = P2P_INVALID_CHANNEL; - - /* Loop to wait until we find a peer's channel or the - * pending action frame tx is cancelled. - */ - retry = 0; - duration = msecs_to_jiffies(P2P_AF_FRM_SCAN_MAX_WAIT); - while ((retry < P2P_CHANNEL_SYNC_RETRY) && - (afx_hdl->peer_chan == P2P_INVALID_CHANNEL)) { - afx_hdl->is_listen = false; - brcmf_dbg(TRACE, "Scheduling action frame for sending.. (%d)\n", - retry); - /* search peer on peer's listen channel */ - schedule_work(&afx_hdl->afx_work); - wait_for_completion_timeout(&afx_hdl->act_frm_scan, duration); - if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || - (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, - &p2p->status))) - break; - - if (afx_hdl->my_listen_chan) { - brcmf_dbg(TRACE, "Scheduling listen peer, channel=%d\n", - afx_hdl->my_listen_chan); - /* listen on my listen channel */ - afx_hdl->is_listen = true; - schedule_work(&afx_hdl->afx_work); - wait_for_completion_timeout(&afx_hdl->act_frm_scan, - duration); - } - if ((afx_hdl->peer_chan != P2P_INVALID_CHANNEL) || - (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, - &p2p->status))) - break; - retry++; - - /* if sta is connected or connecting, sleep for a while before - * retry af tx or finding a peer - */ - if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &pri_vif->sme_state) || - test_bit(BRCMF_VIF_STATUS_CONNECTING, &pri_vif->sme_state)) - msleep(P2P_DEFAULT_SLEEP_TIME_VSDB); - } - - brcmf_dbg(TRACE, "Completed search/listen peer_chan=%d\n", - afx_hdl->peer_chan); - afx_hdl->is_active = false; - - clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status); - - return afx_hdl->peer_chan; -} - - -/** - * brcmf_p2p_scan_finding_common_channel() - was escan used for finding channel - * - * @cfg: common configuration struct. - * @bi: bss info struct, result from scan. - * - */ -bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bi) - -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct afx_hdl *afx_hdl = &p2p->afx_hdl; - struct brcmu_chan ch; - u8 *ie; - s32 err; - u8 p2p_dev_addr[ETH_ALEN]; - - if (!test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status)) - return false; - - if (bi == NULL) { - brcmf_dbg(TRACE, "ACTION FRAME SCAN Done\n"); - if (afx_hdl->peer_chan == P2P_INVALID_CHANNEL) - complete(&afx_hdl->act_frm_scan); - return true; - } - - ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); - memset(p2p_dev_addr, 0, sizeof(p2p_dev_addr)); - err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), - IEEE80211_P2P_ATTR_DEVICE_INFO, - p2p_dev_addr, sizeof(p2p_dev_addr)); - if (err < 0) - err = cfg80211_get_p2p_attr(ie, le32_to_cpu(bi->ie_length), - IEEE80211_P2P_ATTR_DEVICE_ID, - p2p_dev_addr, sizeof(p2p_dev_addr)); - if ((err >= 0) && - (ether_addr_equal(p2p_dev_addr, afx_hdl->tx_dst_addr))) { - if (!bi->ctl_ch) { - ch.chspec = le16_to_cpu(bi->chanspec); - cfg->d11inf.decchspec(&ch); - bi->ctl_ch = ch.chnum; - } - afx_hdl->peer_chan = bi->ctl_ch; - brcmf_dbg(TRACE, "ACTION FRAME SCAN : Peer %pM found, channel : %d\n", - afx_hdl->tx_dst_addr, afx_hdl->peer_chan); - complete(&afx_hdl->act_frm_scan); - } - return true; -} - -/** - * brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete. - * - * @cfg: common configuration struct. - * - */ -static void -brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg) -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_if *ifp = cfg->escan_info.ifp; - - if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) && - (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) || - test_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status))) { - brcmf_dbg(TRACE, "*** Wake UP ** abort actframe iovar\n"); - /* if channel is not zero, "actfame" uses off channel scan. - * So abort scan for off channel completion. - */ - if (p2p->af_sent_channel) - brcmf_notify_escan_complete(cfg, ifp, true, true); - } else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, - &p2p->status)) { - brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n"); - /* So abort scan to cancel listen */ - brcmf_notify_escan_complete(cfg, ifp, true, true); - } -} - - -/** - * brcmf_p2p_gon_req_collision() - Check if go negotiaton collission - * - * @p2p: p2p device info struct. - * - * return true if recevied action frame is to be dropped. - */ -static bool -brcmf_p2p_gon_req_collision(struct brcmf_p2p_info *p2p, u8 *mac) -{ - struct brcmf_cfg80211_info *cfg = p2p->cfg; - struct brcmf_if *ifp; - - brcmf_dbg(TRACE, "Enter\n"); - - if (!test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) || - !p2p->gon_req_action) - return false; - - brcmf_dbg(TRACE, "GO Negotiation Request COLLISION !!!\n"); - /* if sa(peer) addr is less than da(my) addr, then this device - * process peer's gon request and block to send gon req. - * if not (sa addr > da addr), - * this device will process gon request and drop gon req of peer. - */ - ifp = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->ifp; - if (memcmp(mac, ifp->mac_addr, ETH_ALEN) < 0) { - brcmf_dbg(INFO, "Block transmit gon req !!!\n"); - p2p->block_gon_req_tx = true; - /* if we are finding a common channel for sending af, - * do not scan more to block to send current gon req - */ - if (test_and_clear_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, - &p2p->status)) - complete(&p2p->afx_hdl.act_frm_scan); - if (test_and_clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, - &p2p->status)) - brcmf_p2p_stop_wait_next_action_frame(cfg); - return false; - } - - /* drop gon request of peer to process gon request by this device. */ - brcmf_dbg(INFO, "Drop received gon req !!!\n"); - - return true; -} - - -/** - * brcmf_p2p_notify_action_frame_rx() - received action frame. - * - * @ifp: interfac control. - * @e: event message. Not used, to make it usable for fweh event dispatcher. - * @data: payload of message, containing action frame data. - * - */ -int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct afx_hdl *afx_hdl = &p2p->afx_hdl; - struct wireless_dev *wdev; - u32 mgmt_frame_len = e->datalen - sizeof(struct brcmf_rx_mgmt_data); - struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; - u8 *frame = (u8 *)(rxframe + 1); - struct brcmf_p2p_pub_act_frame *act_frm; - struct brcmf_p2psd_gas_pub_act_frame *sd_act_frm; - struct brcmu_chan ch; - struct ieee80211_mgmt *mgmt_frame; - s32 freq; - u16 mgmt_type; - u8 action; - - ch.chspec = be16_to_cpu(rxframe->chanspec); - cfg->d11inf.decchspec(&ch); - /* Check if wpa_supplicant has registered for this frame */ - brcmf_dbg(INFO, "ifp->vif->mgmt_rx_reg %04x\n", ifp->vif->mgmt_rx_reg); - mgmt_type = (IEEE80211_STYPE_ACTION & IEEE80211_FCTL_STYPE) >> 4; - if ((ifp->vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) - return 0; - - brcmf_p2p_print_actframe(false, frame, mgmt_frame_len); - - action = P2P_PAF_SUBTYPE_INVALID; - if (brcmf_p2p_is_pub_action(frame, mgmt_frame_len)) { - act_frm = (struct brcmf_p2p_pub_act_frame *)frame; - action = act_frm->subtype; - if ((action == P2P_PAF_GON_REQ) && - (brcmf_p2p_gon_req_collision(p2p, (u8 *)e->addr))) { - if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, - &p2p->status) && - (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { - afx_hdl->peer_chan = ch.chnum; - brcmf_dbg(INFO, "GON request: Peer found, channel=%d\n", - afx_hdl->peer_chan); - complete(&afx_hdl->act_frm_scan); - } - return 0; - } - /* After complete GO Negotiation, roll back to mpc mode */ - if ((action == P2P_PAF_GON_CONF) || - (action == P2P_PAF_PROVDIS_RSP)) - brcmf_set_mpc(ifp, 1); - if (action == P2P_PAF_GON_CONF) { - brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); - clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - } - } else if (brcmf_p2p_is_gas_action(frame, mgmt_frame_len)) { - sd_act_frm = (struct brcmf_p2psd_gas_pub_act_frame *)frame; - action = sd_act_frm->action; - } - - if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && - (p2p->next_af_subtype == action)) { - brcmf_dbg(TRACE, "We got a right next frame! (%d)\n", action); - clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, - &p2p->status); - /* Stop waiting for next AF. */ - brcmf_p2p_stop_wait_next_action_frame(cfg); - } - - mgmt_frame = kzalloc(offsetof(struct ieee80211_mgmt, u) + - mgmt_frame_len, GFP_KERNEL); - if (!mgmt_frame) { - brcmf_err("No memory available for action frame\n"); - return -ENOMEM; - } - memcpy(mgmt_frame->da, ifp->mac_addr, ETH_ALEN); - brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mgmt_frame->bssid, - ETH_ALEN); - memcpy(mgmt_frame->sa, e->addr, ETH_ALEN); - mgmt_frame->frame_control = cpu_to_le16(IEEE80211_STYPE_ACTION); - memcpy(&mgmt_frame->u, frame, mgmt_frame_len); - mgmt_frame_len += offsetof(struct ieee80211_mgmt, u); - - freq = ieee80211_channel_to_frequency(ch.chnum, - ch.band == BRCMU_CHAN_BAND_2G ? - IEEE80211_BAND_2GHZ : - IEEE80211_BAND_5GHZ); - - wdev = &ifp->vif->wdev; - cfg80211_rx_mgmt(wdev, freq, 0, (u8 *)mgmt_frame, mgmt_frame_len, 0); - - kfree(mgmt_frame); - return 0; -} - - -/** - * brcmf_p2p_notify_action_tx_complete() - transmit action frame complete - * - * @ifp: interfac control. - * @e: event message. Not used, to make it usable for fweh event dispatcher. - * @data: not used. - * - */ -int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_p2p_info *p2p = &cfg->p2p; - - brcmf_dbg(INFO, "Enter: event %s, status=%d\n", - e->event_code == BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE ? - "ACTION_FRAME_OFF_CHAN_COMPLETE" : "ACTION_FRAME_COMPLETE", - e->status); - - if (!test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status)) - return 0; - - if (e->event_code == BRCMF_E_ACTION_FRAME_COMPLETE) { - if (e->status == BRCMF_E_STATUS_SUCCESS) - set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, - &p2p->status); - else { - set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); - /* If there is no ack, we don't need to wait for - * WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE event - */ - brcmf_p2p_stop_wait_next_action_frame(cfg); - } - - } else { - complete(&p2p->send_af_done); - } - return 0; -} - - -/** - * brcmf_p2p_tx_action_frame() - send action frame over fil. - * - * @p2p: p2p info struct for vif. - * @af_params: action frame data/info. - * - * Send an action frame immediately without doing channel synchronization. - * - * This function waits for a completion event before returning. - * The WLC_E_ACTION_FRAME_COMPLETE event will be received when the action - * frame is transmitted. - */ -static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p, - struct brcmf_fil_af_params_le *af_params) -{ - struct brcmf_cfg80211_vif *vif; - s32 err = 0; - s32 timeout = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - reinit_completion(&p2p->send_af_done); - clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); - clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); - - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params, - sizeof(*af_params)); - if (err) { - brcmf_err(" sending action frame has failed\n"); - goto exit; - } - - p2p->af_sent_channel = le32_to_cpu(af_params->channel); - p2p->af_tx_sent_jiffies = jiffies; - - timeout = wait_for_completion_timeout(&p2p->send_af_done, - msecs_to_jiffies(P2P_AF_MAX_WAIT_TIME)); - - if (test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status)) { - brcmf_dbg(TRACE, "TX action frame operation is success\n"); - } else { - err = -EIO; - brcmf_dbg(TRACE, "TX action frame operation has failed\n"); - } - /* clear status bit for action tx */ - clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status); - clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status); - -exit: - return err; -} - - -/** - * brcmf_p2p_pub_af_tx() - public action frame tx routine. - * - * @cfg: driver private data for cfg80211 interface. - * @af_params: action frame data/info. - * @config_af_params: configuration data for action frame. - * - * routine which transmits ation frame public type. - */ -static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg, - struct brcmf_fil_af_params_le *af_params, - struct brcmf_config_af_params *config_af_params) -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_fil_action_frame_le *action_frame; - struct brcmf_p2p_pub_act_frame *act_frm; - s32 err = 0; - u16 ie_len; - - action_frame = &af_params->action_frame; - act_frm = (struct brcmf_p2p_pub_act_frame *)(action_frame->data); - - config_af_params->extra_listen = true; - - switch (act_frm->subtype) { - case P2P_PAF_GON_REQ: - brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status set\n"); - set_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - config_af_params->mpc_onoff = 0; - config_af_params->search_channel = true; - p2p->next_af_subtype = act_frm->subtype + 1; - p2p->gon_req_action = true; - /* increase dwell time to wait for RESP frame */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); - break; - case P2P_PAF_GON_RSP: - p2p->next_af_subtype = act_frm->subtype + 1; - /* increase dwell time to wait for CONF frame */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); - break; - case P2P_PAF_GON_CONF: - /* If we reached till GO Neg confirmation reset the filter */ - brcmf_dbg(TRACE, "P2P: GO_NEG_PHASE status cleared\n"); - clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - /* turn on mpc again if go nego is done */ - config_af_params->mpc_onoff = 1; - /* minimize dwell time */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); - config_af_params->extra_listen = false; - break; - case P2P_PAF_INVITE_REQ: - config_af_params->search_channel = true; - p2p->next_af_subtype = act_frm->subtype + 1; - /* increase dwell time */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); - break; - case P2P_PAF_INVITE_RSP: - /* minimize dwell time */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); - config_af_params->extra_listen = false; - break; - case P2P_PAF_DEVDIS_REQ: - config_af_params->search_channel = true; - p2p->next_af_subtype = act_frm->subtype + 1; - /* maximize dwell time to wait for RESP frame */ - af_params->dwell_time = cpu_to_le32(P2P_AF_LONG_DWELL_TIME); - break; - case P2P_PAF_DEVDIS_RSP: - /* minimize dwell time */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MIN_DWELL_TIME); - config_af_params->extra_listen = false; - break; - case P2P_PAF_PROVDIS_REQ: - ie_len = le16_to_cpu(action_frame->len) - - offsetof(struct brcmf_p2p_pub_act_frame, elts); - if (cfg80211_get_p2p_attr(&act_frm->elts[0], ie_len, - IEEE80211_P2P_ATTR_GROUP_ID, - NULL, 0) < 0) - config_af_params->search_channel = true; - config_af_params->mpc_onoff = 0; - p2p->next_af_subtype = act_frm->subtype + 1; - /* increase dwell time to wait for RESP frame */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); - break; - case P2P_PAF_PROVDIS_RSP: - /* wpa_supplicant send go nego req right after prov disc */ - p2p->next_af_subtype = P2P_PAF_GON_REQ; - /* increase dwell time to MED level */ - af_params->dwell_time = cpu_to_le32(P2P_AF_MED_DWELL_TIME); - config_af_params->extra_listen = false; - break; - default: - brcmf_err("Unknown p2p pub act frame subtype: %d\n", - act_frm->subtype); - err = -EINVAL; - } - return err; -} - -/** - * brcmf_p2p_send_action_frame() - send action frame . - * - * @cfg: driver private data for cfg80211 interface. - * @ndev: net device to transmit on. - * @af_params: configuration data for action frame. - */ -bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - struct brcmf_fil_af_params_le *af_params) -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_if *ifp = netdev_priv(ndev); - struct brcmf_fil_action_frame_le *action_frame; - struct brcmf_config_af_params config_af_params; - struct afx_hdl *afx_hdl = &p2p->afx_hdl; - u16 action_frame_len; - bool ack = false; - u8 category; - u8 action; - s32 tx_retry; - s32 extra_listen_time; - uint delta_ms; - - action_frame = &af_params->action_frame; - action_frame_len = le16_to_cpu(action_frame->len); - - brcmf_p2p_print_actframe(true, action_frame->data, action_frame_len); - - /* Add the default dwell time. Dwell time to stay off-channel */ - /* to wait for a response action frame after transmitting an */ - /* GO Negotiation action frame */ - af_params->dwell_time = cpu_to_le32(P2P_AF_DWELL_TIME); - - category = action_frame->data[DOT11_ACTION_CAT_OFF]; - action = action_frame->data[DOT11_ACTION_ACT_OFF]; - - /* initialize variables */ - p2p->next_af_subtype = P2P_PAF_SUBTYPE_INVALID; - p2p->gon_req_action = false; - - /* config parameters */ - config_af_params.mpc_onoff = -1; - config_af_params.search_channel = false; - config_af_params.extra_listen = false; - - if (brcmf_p2p_is_pub_action(action_frame->data, action_frame_len)) { - /* p2p public action frame process */ - if (brcmf_p2p_pub_af_tx(cfg, af_params, &config_af_params)) { - /* Just send unknown subtype frame with */ - /* default parameters. */ - brcmf_err("P2P Public action frame, unknown subtype.\n"); - } - } else if (brcmf_p2p_is_gas_action(action_frame->data, - action_frame_len)) { - /* service discovery process */ - if (action == P2PSD_ACTION_ID_GAS_IREQ || - action == P2PSD_ACTION_ID_GAS_CREQ) { - /* configure service discovery query frame */ - config_af_params.search_channel = true; - - /* save next af suptype to cancel */ - /* remaining dwell time */ - p2p->next_af_subtype = action + 1; - - af_params->dwell_time = - cpu_to_le32(P2P_AF_MED_DWELL_TIME); - } else if (action == P2PSD_ACTION_ID_GAS_IRESP || - action == P2PSD_ACTION_ID_GAS_CRESP) { - /* configure service discovery response frame */ - af_params->dwell_time = - cpu_to_le32(P2P_AF_MIN_DWELL_TIME); - } else { - brcmf_err("Unknown action type: %d\n", action); - goto exit; - } - } else if (brcmf_p2p_is_p2p_action(action_frame->data, - action_frame_len)) { - /* do not configure anything. it will be */ - /* sent with a default configuration */ - } else { - brcmf_err("Unknown Frame: category 0x%x, action 0x%x\n", - category, action); - return false; - } - - /* if connecting on primary iface, sleep for a while before sending - * af tx for VSDB - */ - if (test_bit(BRCMF_VIF_STATUS_CONNECTING, - &p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->sme_state)) - msleep(50); - - /* if scan is ongoing, abort current scan. */ - if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) - brcmf_abort_scanning(cfg); - - memcpy(afx_hdl->tx_dst_addr, action_frame->da, ETH_ALEN); - - /* To make sure to send successfully action frame, turn off mpc */ - if (config_af_params.mpc_onoff == 0) - brcmf_set_mpc(ifp, 0); - - /* set status and destination address before sending af */ - if (p2p->next_af_subtype != P2P_PAF_SUBTYPE_INVALID) { - /* set status to cancel the remained dwell time in rx process */ - set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); - } - - p2p->af_sent_channel = 0; - set_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); - /* validate channel and p2p ies */ - if (config_af_params.search_channel && - IS_P2P_SOCIAL_CHANNEL(le32_to_cpu(af_params->channel)) && - p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif->saved_ie.probe_req_ie_len) { - afx_hdl = &p2p->afx_hdl; - afx_hdl->peer_listen_chan = le32_to_cpu(af_params->channel); - - if (brcmf_p2p_af_searching_channel(p2p) == - P2P_INVALID_CHANNEL) { - brcmf_err("Couldn't find peer's channel.\n"); - goto exit; - } - - /* Abort scan even for VSDB scenarios. Scan gets aborted in - * firmware but after the check of piggyback algorithm. To take - * care of current piggback algo, lets abort the scan here - * itself. - */ - brcmf_notify_escan_complete(cfg, ifp, true, true); - - /* update channel */ - af_params->channel = cpu_to_le32(afx_hdl->peer_chan); - } - - tx_retry = 0; - while (!p2p->block_gon_req_tx && - (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) { - ack = !brcmf_p2p_tx_action_frame(p2p, af_params); - tx_retry++; - } - if (ack == false) { - brcmf_err("Failed to send Action Frame(retry %d)\n", tx_retry); - clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - } - -exit: - clear_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status); - - /* WAR: sometimes dongle does not keep the dwell time of 'actframe'. - * if we coundn't get the next action response frame and dongle does - * not keep the dwell time, go to listen state again to get next action - * response frame. - */ - if (ack && config_af_params.extra_listen && !p2p->block_gon_req_tx && - test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status) && - p2p->af_sent_channel == afx_hdl->my_listen_chan) { - delta_ms = jiffies_to_msecs(jiffies - p2p->af_tx_sent_jiffies); - if (le32_to_cpu(af_params->dwell_time) > delta_ms) - extra_listen_time = le32_to_cpu(af_params->dwell_time) - - delta_ms; - else - extra_listen_time = 0; - if (extra_listen_time > 50) { - set_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, - &p2p->status); - brcmf_dbg(INFO, "Wait more time! actual af time:%d, calculated extra listen:%d\n", - le32_to_cpu(af_params->dwell_time), - extra_listen_time); - extra_listen_time += 100; - if (!brcmf_p2p_discover_listen(p2p, - p2p->af_sent_channel, - extra_listen_time)) { - unsigned long duration; - - extra_listen_time += 100; - duration = msecs_to_jiffies(extra_listen_time); - wait_for_completion_timeout(&p2p->wait_next_af, - duration); - } - clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, - &p2p->status); - } - } - - if (p2p->block_gon_req_tx) { - /* if ack is true, supplicant will wait more time(100ms). - * so we will return it as a success to get more time . - */ - p2p->block_gon_req_tx = false; - ack = true; - } - - clear_bit(BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, &p2p->status); - /* if all done, turn mpc on again */ - if (config_af_params.mpc_onoff == 1) - brcmf_set_mpc(ifp, 1); - - return ack; -} - -/** - * brcmf_p2p_notify_rx_mgmt_p2p_probereq() - Event handler for p2p probe req. - * - * @ifp: interface pointer for which event was received. - * @e: even message. - * @data: payload of event message (probe request). - */ -s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data) -{ - struct brcmf_cfg80211_info *cfg = ifp->drvr->config; - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct afx_hdl *afx_hdl = &p2p->afx_hdl; - struct brcmf_cfg80211_vif *vif = ifp->vif; - struct brcmf_rx_mgmt_data *rxframe = (struct brcmf_rx_mgmt_data *)data; - u16 chanspec = be16_to_cpu(rxframe->chanspec); - struct brcmu_chan ch; - u8 *mgmt_frame; - u32 mgmt_frame_len; - s32 freq; - u16 mgmt_type; - - brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, - e->reason); - - ch.chspec = be16_to_cpu(rxframe->chanspec); - cfg->d11inf.decchspec(&ch); - - if (test_bit(BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL, &p2p->status) && - (ether_addr_equal(afx_hdl->tx_dst_addr, e->addr))) { - afx_hdl->peer_chan = ch.chnum; - brcmf_dbg(INFO, "PROBE REQUEST: Peer found, channel=%d\n", - afx_hdl->peer_chan); - complete(&afx_hdl->act_frm_scan); - } - - /* Firmware sends us two proberesponses for each idx one. At the */ - /* moment anything but bsscfgidx 0 is passed up to supplicant */ - if (e->bsscfgidx == 0) - return 0; - - /* Filter any P2P probe reqs arriving during the GO-NEG Phase */ - if (test_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status)) { - brcmf_dbg(INFO, "Filtering P2P probe_req in GO-NEG phase\n"); - return 0; - } - - /* Check if wpa_supplicant has registered for this frame */ - brcmf_dbg(INFO, "vif->mgmt_rx_reg %04x\n", vif->mgmt_rx_reg); - mgmt_type = (IEEE80211_STYPE_PROBE_REQ & IEEE80211_FCTL_STYPE) >> 4; - if ((vif->mgmt_rx_reg & BIT(mgmt_type)) == 0) - return 0; - - mgmt_frame = (u8 *)(rxframe + 1); - mgmt_frame_len = e->datalen - sizeof(*rxframe); - freq = ieee80211_channel_to_frequency(ch.chnum, - ch.band == BRCMU_CHAN_BAND_2G ? - IEEE80211_BAND_2GHZ : - IEEE80211_BAND_5GHZ); - - cfg80211_rx_mgmt(&vif->wdev, freq, 0, mgmt_frame, mgmt_frame_len, 0); - - brcmf_dbg(INFO, "mgmt_frame_len (%d) , e->datalen (%d), chanspec (%04x), freq (%d)\n", - mgmt_frame_len, e->datalen, chanspec, freq); - - return 0; -} - - -/** - * brcmf_p2p_get_current_chanspec() - Get current operation channel. - * - * @p2p: P2P specific data. - * @chanspec: chanspec to be returned. - */ -static void brcmf_p2p_get_current_chanspec(struct brcmf_p2p_info *p2p, - u16 *chanspec) -{ - struct brcmf_if *ifp; - u8 mac_addr[ETH_ALEN]; - struct brcmu_chan ch; - struct brcmf_bss_info_le *bi; - u8 *buf; - - ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - - if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSSID, mac_addr, - ETH_ALEN) == 0) { - buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); - if (buf != NULL) { - *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); - if (brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO, - buf, WL_BSS_INFO_MAX) == 0) { - bi = (struct brcmf_bss_info_le *)(buf + 4); - *chanspec = le16_to_cpu(bi->chanspec); - kfree(buf); - return; - } - kfree(buf); - } - } - /* Use default channel for P2P */ - ch.chnum = BRCMF_P2P_TEMP_CHAN; - ch.bw = BRCMU_CHAN_BW_20; - p2p->cfg->d11inf.encchspec(&ch); - *chanspec = ch.chspec; -} - -/** - * Change a P2P Role. - * Parameters: - * @mac: MAC address of the BSS to change a role - * Returns 0 if success. - */ -int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, - enum brcmf_fil_p2p_if_types if_type) -{ - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_cfg80211_vif *vif; - struct brcmf_fil_p2p_if_le if_request; - s32 err; - u16 chanspec; - - brcmf_dbg(TRACE, "Enter\n"); - - vif = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif; - if (!vif) { - brcmf_err("vif for P2PAPI_BSSCFG_PRIMARY does not exist\n"); - return -EPERM; - } - brcmf_notify_escan_complete(cfg, vif->ifp, true, true); - vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif; - if (!vif) { - brcmf_err("vif for P2PAPI_BSSCFG_CONNECTION does not exist\n"); - return -EPERM; - } - brcmf_set_mpc(vif->ifp, 0); - - /* In concurrency case, STA may be already associated in a particular */ - /* channel. so retrieve the current channel of primary interface and */ - /* then start the virtual interface on that. */ - brcmf_p2p_get_current_chanspec(p2p, &chanspec); - - if_request.type = cpu_to_le16((u16)if_type); - if_request.chspec = cpu_to_le16(chanspec); - memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr)); - - brcmf_cfg80211_arm_vif_event(cfg, vif); - err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request, - sizeof(if_request)); - if (err) { - brcmf_err("p2p_ifupd FAILED, err=%d\n", err); - brcmf_cfg80211_arm_vif_event(cfg, NULL); - return err; - } - err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_CHANGE, - msecs_to_jiffies(1500)); - brcmf_cfg80211_arm_vif_event(cfg, NULL); - if (!err) { - brcmf_err("No BRCMF_E_IF_CHANGE event received\n"); - return -EIO; - } - - err = brcmf_fil_cmd_int_set(vif->ifp, BRCMF_C_SET_SCB_TIMEOUT, - BRCMF_SCB_TIMEOUT_VALUE); - - return err; -} - -static int brcmf_p2p_request_p2p_if(struct brcmf_p2p_info *p2p, - struct brcmf_if *ifp, u8 ea[ETH_ALEN], - enum brcmf_fil_p2p_if_types iftype) -{ - struct brcmf_fil_p2p_if_le if_request; - int err; - u16 chanspec; - - /* we need a default channel */ - brcmf_p2p_get_current_chanspec(p2p, &chanspec); - - /* fill the firmware request */ - memcpy(if_request.addr, ea, ETH_ALEN); - if_request.type = cpu_to_le16((u16)iftype); - if_request.chspec = cpu_to_le16(chanspec); - - err = brcmf_fil_iovar_data_set(ifp, "p2p_ifadd", &if_request, - sizeof(if_request)); - if (err) - return err; - - return err; -} - -static int brcmf_p2p_disable_p2p_if(struct brcmf_cfg80211_vif *vif) -{ - struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); - struct net_device *pri_ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(pri_ndev); - u8 *addr = vif->wdev.netdev->dev_addr; - - return brcmf_fil_iovar_data_set(ifp, "p2p_ifdis", addr, ETH_ALEN); -} - -static int brcmf_p2p_release_p2p_if(struct brcmf_cfg80211_vif *vif) -{ - struct brcmf_cfg80211_info *cfg = wdev_to_cfg(&vif->wdev); - struct net_device *pri_ndev = cfg_to_ndev(cfg); - struct brcmf_if *ifp = netdev_priv(pri_ndev); - u8 *addr = vif->wdev.netdev->dev_addr; - - return brcmf_fil_iovar_data_set(ifp, "p2p_ifdel", addr, ETH_ALEN); -} - -/** - * brcmf_p2p_create_p2pdev() - create a P2P_DEVICE virtual interface. - * - * @p2p: P2P specific data. - * @wiphy: wiphy device of new interface. - * @addr: mac address for this new interface. - */ -static struct wireless_dev *brcmf_p2p_create_p2pdev(struct brcmf_p2p_info *p2p, - struct wiphy *wiphy, - u8 *addr) -{ - struct brcmf_cfg80211_vif *p2p_vif; - struct brcmf_if *p2p_ifp; - struct brcmf_if *pri_ifp; - int err; - u32 bssidx; - - if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif) - return ERR_PTR(-ENOSPC); - - p2p_vif = brcmf_alloc_vif(p2p->cfg, NL80211_IFTYPE_P2P_DEVICE, - false); - if (IS_ERR(p2p_vif)) { - brcmf_err("could not create discovery vif\n"); - return (struct wireless_dev *)p2p_vif; - } - - pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp; - brcmf_p2p_generate_bss_mac(p2p, addr); - brcmf_p2p_set_firmware(pri_ifp, p2p->dev_addr); - - brcmf_cfg80211_arm_vif_event(p2p->cfg, p2p_vif); - brcmf_fweh_p2pdev_setup(pri_ifp, true); - - /* Initialize P2P Discovery in the firmware */ - err = brcmf_fil_iovar_int_set(pri_ifp, "p2p_disc", 1); - if (err < 0) { - brcmf_err("set p2p_disc error\n"); - brcmf_fweh_p2pdev_setup(pri_ifp, false); - brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); - goto fail; - } - - /* wait for firmware event */ - err = brcmf_cfg80211_wait_vif_event_timeout(p2p->cfg, BRCMF_E_IF_ADD, - msecs_to_jiffies(1500)); - brcmf_cfg80211_arm_vif_event(p2p->cfg, NULL); - brcmf_fweh_p2pdev_setup(pri_ifp, false); - if (!err) { - brcmf_err("timeout occurred\n"); - err = -EIO; - goto fail; - } - - /* discovery interface created */ - p2p_ifp = p2p_vif->ifp; - p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif = p2p_vif; - memcpy(p2p_ifp->mac_addr, p2p->dev_addr, ETH_ALEN); - memcpy(&p2p_vif->wdev.address, p2p->dev_addr, sizeof(p2p->dev_addr)); - - /* verify bsscfg index for P2P discovery */ - err = brcmf_fil_iovar_int_get(pri_ifp, "p2p_dev", &bssidx); - if (err < 0) { - brcmf_err("retrieving discover bsscfg index failed\n"); - goto fail; - } - - WARN_ON(p2p_ifp->bssidx != bssidx); - - init_completion(&p2p->send_af_done); - INIT_WORK(&p2p->afx_hdl.afx_work, brcmf_p2p_afx_handler); - init_completion(&p2p->afx_hdl.act_frm_scan); - init_completion(&p2p->wait_next_af); - - return &p2p_vif->wdev; - -fail: - brcmf_free_vif(p2p_vif); - return ERR_PTR(err); -} - -/** - * brcmf_p2p_add_vif() - create a new P2P virtual interface. - * - * @wiphy: wiphy device of new interface. - * @name: name of the new interface. - * @name_assign_type: origin of the interface name - * @type: nl80211 interface type. - * @flags: not used. - * @params: contains mac address for P2P device. - */ -struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, - unsigned char name_assign_type, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg)); - struct brcmf_cfg80211_vif *vif; - enum brcmf_fil_p2p_if_types iftype; - int err; - - if (brcmf_cfg80211_vif_event_armed(cfg)) - return ERR_PTR(-EBUSY); - - brcmf_dbg(INFO, "adding vif \"%s\" (type=%d)\n", name, type); - - switch (type) { - case NL80211_IFTYPE_P2P_CLIENT: - iftype = BRCMF_FIL_P2P_IF_CLIENT; - break; - case NL80211_IFTYPE_P2P_GO: - iftype = BRCMF_FIL_P2P_IF_GO; - break; - case NL80211_IFTYPE_P2P_DEVICE: - return brcmf_p2p_create_p2pdev(&cfg->p2p, wiphy, - params->macaddr); - default: - return ERR_PTR(-EOPNOTSUPP); - } - - vif = brcmf_alloc_vif(cfg, type, false); - if (IS_ERR(vif)) - return (struct wireless_dev *)vif; - brcmf_cfg80211_arm_vif_event(cfg, vif); - - err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr, - iftype); - if (err) { - brcmf_cfg80211_arm_vif_event(cfg, NULL); - goto fail; - } - - /* wait for firmware event */ - err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_ADD, - msecs_to_jiffies(1500)); - brcmf_cfg80211_arm_vif_event(cfg, NULL); - if (!err) { - brcmf_err("timeout occurred\n"); - err = -EIO; - goto fail; - } - - /* interface created in firmware */ - ifp = vif->ifp; - if (!ifp) { - brcmf_err("no if pointer provided\n"); - err = -ENOENT; - goto fail; - } - - strncpy(ifp->ndev->name, name, sizeof(ifp->ndev->name) - 1); - ifp->ndev->name_assign_type = name_assign_type; - err = brcmf_net_attach(ifp, true); - if (err) { - brcmf_err("Registering netdevice failed\n"); - goto fail; - } - - cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif; - /* Disable firmware roaming for P2P interface */ - brcmf_fil_iovar_int_set(ifp, "roam_off", 1); - if (iftype == BRCMF_FIL_P2P_IF_GO) { - /* set station timeout for p2p */ - brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_SCB_TIMEOUT, - BRCMF_SCB_TIMEOUT_VALUE); - } - return &ifp->vif->wdev; - -fail: - brcmf_free_vif(vif); - return ERR_PTR(err); -} - -/** - * brcmf_p2p_del_vif() - delete a P2P virtual interface. - * - * @wiphy: wiphy device of interface. - * @wdev: wireless device of interface. - */ -int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_cfg80211_vif *vif; - unsigned long jiffie_timeout = msecs_to_jiffies(1500); - bool wait_for_disable = false; - int err; - - brcmf_dbg(TRACE, "delete P2P vif\n"); - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - - brcmf_cfg80211_arm_vif_event(cfg, vif); - switch (vif->wdev.iftype) { - case NL80211_IFTYPE_P2P_CLIENT: - if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state)) - wait_for_disable = true; - break; - - case NL80211_IFTYPE_P2P_GO: - if (!brcmf_p2p_disable_p2p_if(vif)) - wait_for_disable = true; - break; - - case NL80211_IFTYPE_P2P_DEVICE: - if (!p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif) - return 0; - brcmf_p2p_cancel_remain_on_channel(vif->ifp); - brcmf_p2p_deinit_discovery(p2p); - default: - return -ENOTSUPP; - } - - clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status); - brcmf_dbg(INFO, "P2P: GO_NEG_PHASE status cleared\n"); - - if (wait_for_disable) - wait_for_completion_timeout(&cfg->vif_disabled, - msecs_to_jiffies(500)); - - err = 0; - if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) { - brcmf_vif_clear_mgmt_ies(vif); - err = brcmf_p2p_release_p2p_if(vif); - } - if (!err) { - /* wait for firmware event */ - err = brcmf_cfg80211_wait_vif_event_timeout(cfg, BRCMF_E_IF_DEL, - jiffie_timeout); - if (!err) - err = -EIO; - else - err = 0; - } - if (err) - brcmf_remove_interface(vif->ifp); - - brcmf_cfg80211_arm_vif_event(cfg, NULL); - if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) - p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; - - return err; -} - -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) -{ - struct brcmf_cfg80211_info *cfg; - struct brcmf_cfg80211_vif *vif; - - brcmf_dbg(INFO, "P2P: device interface removed\n"); - vif = ifp->vif; - cfg = wdev_to_cfg(&vif->wdev); - cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - rtnl_lock(); - cfg80211_unregister_wdev(&vif->wdev); - rtnl_unlock(); - brcmf_free_vif(vif); -} - -int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_cfg80211_vif *vif; - int err; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - mutex_lock(&cfg->usr_sync); - err = brcmf_p2p_enable_discovery(p2p); - if (!err) - set_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); - mutex_unlock(&cfg->usr_sync); - return err; -} - -void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev) -{ - struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); - struct brcmf_p2p_info *p2p = &cfg->p2p; - struct brcmf_cfg80211_vif *vif; - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - /* This call can be result of the unregister_wdev call. In that case - * we dont want to do anything anymore. Just return. The config vif - * will have been cleared at this point. - */ - if (p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif == vif) { - mutex_lock(&cfg->usr_sync); - /* Set the discovery state to SCAN */ - (void)brcmf_p2p_set_discover_state(vif->ifp, - WL_P2P_DISC_ST_SCAN, 0, 0); - brcmf_abort_scanning(cfg); - clear_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state); - mutex_unlock(&cfg->usr_sync); - } -} - -/** - * brcmf_p2p_attach() - attach for P2P. - * - * @cfg: driver private data for cfg80211 interface. - * @p2pdev_forced: create p2p device interface at attach. - */ -s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced) -{ - struct brcmf_p2p_info *p2p; - struct brcmf_if *pri_ifp; - s32 err = 0; - void *err_ptr; - - p2p = &cfg->p2p; - p2p->cfg = cfg; - - pri_ifp = brcmf_get_ifp(cfg->pub, 0); - p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif = pri_ifp->vif; - - if (p2pdev_forced) { - err_ptr = brcmf_p2p_create_p2pdev(p2p, NULL, NULL); - if (IS_ERR(err_ptr)) { - brcmf_err("P2P device creation failed.\n"); - err = PTR_ERR(err_ptr); - } - } else { - p2p->p2pdev_dynamically = true; - } - return err; -} - -/** - * brcmf_p2p_detach() - detach P2P. - * - * @p2p: P2P specific data. - */ -void brcmf_p2p_detach(struct brcmf_p2p_info *p2p) -{ - struct brcmf_cfg80211_vif *vif; - - vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif; - if (vif != NULL) { - brcmf_p2p_cancel_remain_on_channel(vif->ifp); - brcmf_p2p_deinit_discovery(p2p); - brcmf_remove_interface(vif->ifp); - } - /* just set it all to zero */ - memset(p2p, 0, sizeof(*p2p)); -} - diff --git a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/brcm80211/brcmfmac/p2p.h deleted file mode 100644 index 5d49059021a9..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/p2p.h +++ /dev/null @@ -1,187 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef WL_CFGP2P_H_ -#define WL_CFGP2P_H_ - -#include <net/cfg80211.h> - -struct brcmf_cfg80211_info; - -/** - * enum p2p_bss_type - different type of BSS configurations. - * - * @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg. - * @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg. - * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg. - * @P2PAPI_BSSCFG_MAX: used for range checking. - */ -enum p2p_bss_type { - P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */ - P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */ - P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */ - P2PAPI_BSSCFG_MAX -}; - -/** - * struct p2p_bss - peer-to-peer bss related information. - * - * @vif: virtual interface of this P2P bss. - * @private_data: TBD - */ -struct p2p_bss { - struct brcmf_cfg80211_vif *vif; - void *private_data; -}; - -/** - * enum brcmf_p2p_status - P2P specific dongle status. - * - * @BRCMF_P2P_STATUS_IF_ADD: peer-to-peer vif add sent to dongle. - * @BRCMF_P2P_STATUS_IF_DEL: NOT-USED? - * @BRCMF_P2P_STATUS_IF_DELETING: peer-to-peer vif delete sent to dongle. - * @BRCMF_P2P_STATUS_IF_CHANGING: peer-to-peer vif change sent to dongle. - * @BRCMF_P2P_STATUS_IF_CHANGED: peer-to-peer vif change completed on dongle. - * @BRCMF_P2P_STATUS_ACTION_TX_COMPLETED: action frame tx completed. - * @BRCMF_P2P_STATUS_ACTION_TX_NOACK: action frame tx not acked. - * @BRCMF_P2P_STATUS_GO_NEG_PHASE: P2P GO negotiation ongoing. - * @BRCMF_P2P_STATUS_DISCOVER_LISTEN: P2P listen, remaining on channel. - * @BRCMF_P2P_STATUS_SENDING_ACT_FRAME: In the process of sending action frame. - * @BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN: extra listen time for af tx. - * @BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME: waiting for action frame response. - * @BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL: search channel for AF active. - */ -enum brcmf_p2p_status { - BRCMF_P2P_STATUS_ENABLED, - BRCMF_P2P_STATUS_IF_ADD, - BRCMF_P2P_STATUS_IF_DEL, - BRCMF_P2P_STATUS_IF_DELETING, - BRCMF_P2P_STATUS_IF_CHANGING, - BRCMF_P2P_STATUS_IF_CHANGED, - BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, - BRCMF_P2P_STATUS_ACTION_TX_NOACK, - BRCMF_P2P_STATUS_GO_NEG_PHASE, - BRCMF_P2P_STATUS_DISCOVER_LISTEN, - BRCMF_P2P_STATUS_SENDING_ACT_FRAME, - BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN, - BRCMF_P2P_STATUS_WAITING_NEXT_ACT_FRAME, - BRCMF_P2P_STATUS_FINDING_COMMON_CHANNEL -}; - -/** - * struct afx_hdl - action frame off channel storage. - * - * @afx_work: worker thread for searching channel - * @act_frm_scan: thread synchronizing struct. - * @is_active: channel searching active. - * @peer_chan: current channel. - * @is_listen: sets mode for afx worker. - * @my_listen_chan: this peers listen channel. - * @peer_listen_chan: remote peers listen channel. - * @tx_dst_addr: mac address where tx af should be sent to. - */ -struct afx_hdl { - struct work_struct afx_work; - struct completion act_frm_scan; - bool is_active; - s32 peer_chan; - bool is_listen; - u16 my_listen_chan; - u16 peer_listen_chan; - u8 tx_dst_addr[ETH_ALEN]; -}; - -/** - * struct brcmf_p2p_info - p2p specific driver information. - * - * @cfg: driver private data for cfg80211 interface. - * @status: status of P2P (see enum brcmf_p2p_status). - * @dev_addr: P2P device address. - * @int_addr: P2P interface address. - * @bss_idx: informate for P2P bss types. - * @listen_timer: timer for @WL_P2P_DISC_ST_LISTEN discover state. - * @ssid: ssid for P2P GO. - * @listen_channel: channel for @WL_P2P_DISC_ST_LISTEN discover state. - * @remain_on_channel: contains copy of struct used by cfg80211. - * @remain_on_channel_cookie: cookie counter for remain on channel cmd - * @next_af_subtype: expected action frame subtype. - * @send_af_done: indication that action frame tx is complete. - * @afx_hdl: action frame search handler info. - * @af_sent_channel: channel action frame is sent. - * @af_tx_sent_jiffies: jiffies time when af tx was transmitted. - * @wait_next_af: thread synchronizing struct. - * @gon_req_action: about to send go negotiation requets frame. - * @block_gon_req_tx: drop tx go negotiation requets frame. - * @p2pdev_dynamically: is p2p device if created by module param or supplicant. - */ -struct brcmf_p2p_info { - struct brcmf_cfg80211_info *cfg; - unsigned long status; - u8 dev_addr[ETH_ALEN]; - u8 int_addr[ETH_ALEN]; - struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX]; - struct timer_list listen_timer; - struct brcmf_ssid ssid; - u8 listen_channel; - struct ieee80211_channel remain_on_channel; - u32 remain_on_channel_cookie; - u8 next_af_subtype; - struct completion send_af_done; - struct afx_hdl afx_hdl; - u32 af_sent_channel; - unsigned long af_tx_sent_jiffies; - struct completion wait_next_af; - bool gon_req_action; - bool block_gon_req_tx; - bool p2pdev_dynamically; -}; - -s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced); -void brcmf_p2p_detach(struct brcmf_p2p_info *p2p); -struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, - unsigned char name_assign_type, - enum nl80211_iftype type, u32 *flags, - struct vif_params *params); -int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); -int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, - enum brcmf_fil_p2p_if_types if_type); -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp); -int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); -void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); -int brcmf_p2p_scan_prep(struct wiphy *wiphy, - struct cfg80211_scan_request *request, - struct brcmf_cfg80211_vif *vif); -int brcmf_p2p_remain_on_channel(struct wiphy *wiphy, struct wireless_dev *wdev, - struct ieee80211_channel *channel, - unsigned int duration, u64 *cookie); -int brcmf_p2p_notify_listen_complete(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data); -void brcmf_p2p_cancel_remain_on_channel(struct brcmf_if *ifp); -int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data); -int brcmf_p2p_notify_action_tx_complete(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data); -bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg, - struct net_device *ndev, - struct brcmf_fil_af_params_le *af_params); -bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg, - struct brcmf_bss_info_le *bi); -s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, - const struct brcmf_event_msg *e, - void *data); -#endif /* WL_CFGP2P_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c deleted file mode 100644 index 83d804221715..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c +++ /dev/null @@ -1,2107 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/firmware.h> -#include <linux/pci.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/bcma/bcma.h> -#include <linux/sched.h> -#include <asm/unaligned.h> - -#include <soc.h> -#include <chipcommon.h> -#include <brcmu_utils.h> -#include <brcmu_wifi.h> -#include <brcm_hw_ids.h> - -#include "debug.h" -#include "bus.h" -#include "commonring.h" -#include "msgbuf.h" -#include "pcie.h" -#include "firmware.h" -#include "chip.h" - - -enum brcmf_pcie_state { - BRCMFMAC_PCIE_STATE_DOWN, - BRCMFMAC_PCIE_STATE_UP -}; - - -#define BRCMF_PCIE_43602_FW_NAME "brcm/brcmfmac43602-pcie.bin" -#define BRCMF_PCIE_43602_NVRAM_NAME "brcm/brcmfmac43602-pcie.txt" -#define BRCMF_PCIE_4350_FW_NAME "brcm/brcmfmac4350-pcie.bin" -#define BRCMF_PCIE_4350_NVRAM_NAME "brcm/brcmfmac4350-pcie.txt" -#define BRCMF_PCIE_4356_FW_NAME "brcm/brcmfmac4356-pcie.bin" -#define BRCMF_PCIE_4356_NVRAM_NAME "brcm/brcmfmac4356-pcie.txt" -#define BRCMF_PCIE_43570_FW_NAME "brcm/brcmfmac43570-pcie.bin" -#define BRCMF_PCIE_43570_NVRAM_NAME "brcm/brcmfmac43570-pcie.txt" -#define BRCMF_PCIE_4358_FW_NAME "brcm/brcmfmac4358-pcie.bin" -#define BRCMF_PCIE_4358_NVRAM_NAME "brcm/brcmfmac4358-pcie.txt" -#define BRCMF_PCIE_4365_FW_NAME "brcm/brcmfmac4365b-pcie.bin" -#define BRCMF_PCIE_4365_NVRAM_NAME "brcm/brcmfmac4365b-pcie.txt" -#define BRCMF_PCIE_4366_FW_NAME "brcm/brcmfmac4366b-pcie.bin" -#define BRCMF_PCIE_4366_NVRAM_NAME "brcm/brcmfmac4366b-pcie.txt" -#define BRCMF_PCIE_4371_FW_NAME "brcm/brcmfmac4371-pcie.bin" -#define BRCMF_PCIE_4371_NVRAM_NAME "brcm/brcmfmac4371-pcie.txt" - -#define BRCMF_PCIE_FW_UP_TIMEOUT 2000 /* msec */ - -#define BRCMF_PCIE_TCM_MAP_SIZE (4096 * 1024) -#define BRCMF_PCIE_REG_MAP_SIZE (32 * 1024) - -/* backplane addres space accessed by BAR0 */ -#define BRCMF_PCIE_BAR0_WINDOW 0x80 -#define BRCMF_PCIE_BAR0_REG_SIZE 0x1000 -#define BRCMF_PCIE_BAR0_WRAPPERBASE 0x70 - -#define BRCMF_PCIE_BAR0_WRAPBASE_DMP_OFFSET 0x1000 -#define BRCMF_PCIE_BARO_PCIE_ENUM_OFFSET 0x2000 - -#define BRCMF_PCIE_ARMCR4REG_BANKIDX 0x40 -#define BRCMF_PCIE_ARMCR4REG_BANKPDA 0x4C - -#define BRCMF_PCIE_REG_INTSTATUS 0x90 -#define BRCMF_PCIE_REG_INTMASK 0x94 -#define BRCMF_PCIE_REG_SBMBX 0x98 - -#define BRCMF_PCIE_REG_LINK_STATUS_CTRL 0xBC - -#define BRCMF_PCIE_PCIE2REG_INTMASK 0x24 -#define BRCMF_PCIE_PCIE2REG_MAILBOXINT 0x48 -#define BRCMF_PCIE_PCIE2REG_MAILBOXMASK 0x4C -#define BRCMF_PCIE_PCIE2REG_CONFIGADDR 0x120 -#define BRCMF_PCIE_PCIE2REG_CONFIGDATA 0x124 -#define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX 0x140 - -#define BRCMF_PCIE_GENREV1 1 -#define BRCMF_PCIE_GENREV2 2 - -#define BRCMF_PCIE2_INTA 0x01 -#define BRCMF_PCIE2_INTB 0x02 - -#define BRCMF_PCIE_INT_0 0x01 -#define BRCMF_PCIE_INT_1 0x02 -#define BRCMF_PCIE_INT_DEF (BRCMF_PCIE_INT_0 | \ - BRCMF_PCIE_INT_1) - -#define BRCMF_PCIE_MB_INT_FN0_0 0x0100 -#define BRCMF_PCIE_MB_INT_FN0_1 0x0200 -#define BRCMF_PCIE_MB_INT_D2H0_DB0 0x10000 -#define BRCMF_PCIE_MB_INT_D2H0_DB1 0x20000 -#define BRCMF_PCIE_MB_INT_D2H1_DB0 0x40000 -#define BRCMF_PCIE_MB_INT_D2H1_DB1 0x80000 -#define BRCMF_PCIE_MB_INT_D2H2_DB0 0x100000 -#define BRCMF_PCIE_MB_INT_D2H2_DB1 0x200000 -#define BRCMF_PCIE_MB_INT_D2H3_DB0 0x400000 -#define BRCMF_PCIE_MB_INT_D2H3_DB1 0x800000 - -#define BRCMF_PCIE_MB_INT_D2H_DB (BRCMF_PCIE_MB_INT_D2H0_DB0 | \ - BRCMF_PCIE_MB_INT_D2H0_DB1 | \ - BRCMF_PCIE_MB_INT_D2H1_DB0 | \ - BRCMF_PCIE_MB_INT_D2H1_DB1 | \ - BRCMF_PCIE_MB_INT_D2H2_DB0 | \ - BRCMF_PCIE_MB_INT_D2H2_DB1 | \ - BRCMF_PCIE_MB_INT_D2H3_DB0 | \ - BRCMF_PCIE_MB_INT_D2H3_DB1) - -#define BRCMF_PCIE_MIN_SHARED_VERSION 5 -#define BRCMF_PCIE_MAX_SHARED_VERSION 5 -#define BRCMF_PCIE_SHARED_VERSION_MASK 0x00FF -#define BRCMF_PCIE_SHARED_DMA_INDEX 0x10000 -#define BRCMF_PCIE_SHARED_DMA_2B_IDX 0x100000 - -#define BRCMF_PCIE_FLAGS_HTOD_SPLIT 0x4000 -#define BRCMF_PCIE_FLAGS_DTOH_SPLIT 0x8000 - -#define BRCMF_SHARED_MAX_RXBUFPOST_OFFSET 34 -#define BRCMF_SHARED_RING_BASE_OFFSET 52 -#define BRCMF_SHARED_RX_DATAOFFSET_OFFSET 36 -#define BRCMF_SHARED_CONSOLE_ADDR_OFFSET 20 -#define BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET 40 -#define BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET 44 -#define BRCMF_SHARED_RING_INFO_ADDR_OFFSET 48 -#define BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET 52 -#define BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET 56 -#define BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET 64 -#define BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET 68 - -#define BRCMF_RING_H2D_RING_COUNT_OFFSET 0 -#define BRCMF_RING_D2H_RING_COUNT_OFFSET 1 -#define BRCMF_RING_H2D_RING_MEM_OFFSET 4 -#define BRCMF_RING_H2D_RING_STATE_OFFSET 8 - -#define BRCMF_RING_MEM_BASE_ADDR_OFFSET 8 -#define BRCMF_RING_MAX_ITEM_OFFSET 4 -#define BRCMF_RING_LEN_ITEMS_OFFSET 6 -#define BRCMF_RING_MEM_SZ 16 -#define BRCMF_RING_STATE_SZ 8 - -#define BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET 4 -#define BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET 8 -#define BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET 12 -#define BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET 16 -#define BRCMF_SHARED_RING_H2D_WP_HADDR_OFFSET 20 -#define BRCMF_SHARED_RING_H2D_RP_HADDR_OFFSET 28 -#define BRCMF_SHARED_RING_D2H_WP_HADDR_OFFSET 36 -#define BRCMF_SHARED_RING_D2H_RP_HADDR_OFFSET 44 -#define BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET 0 -#define BRCMF_SHARED_RING_MAX_SUB_QUEUES 52 - -#define BRCMF_DEF_MAX_RXBUFPOST 255 - -#define BRCMF_CONSOLE_BUFADDR_OFFSET 8 -#define BRCMF_CONSOLE_BUFSIZE_OFFSET 12 -#define BRCMF_CONSOLE_WRITEIDX_OFFSET 16 - -#define BRCMF_DMA_D2H_SCRATCH_BUF_LEN 8 -#define BRCMF_DMA_D2H_RINGUPD_BUF_LEN 1024 - -#define BRCMF_D2H_DEV_D3_ACK 0x00000001 -#define BRCMF_D2H_DEV_DS_ENTER_REQ 0x00000002 -#define BRCMF_D2H_DEV_DS_EXIT_NOTE 0x00000004 - -#define BRCMF_H2D_HOST_D3_INFORM 0x00000001 -#define BRCMF_H2D_HOST_DS_ACK 0x00000002 -#define BRCMF_H2D_HOST_D0_INFORM_IN_USE 0x00000008 -#define BRCMF_H2D_HOST_D0_INFORM 0x00000010 - -#define BRCMF_PCIE_MBDATA_TIMEOUT 2000 - -#define BRCMF_PCIE_CFGREG_STATUS_CMD 0x4 -#define BRCMF_PCIE_CFGREG_PM_CSR 0x4C -#define BRCMF_PCIE_CFGREG_MSI_CAP 0x58 -#define BRCMF_PCIE_CFGREG_MSI_ADDR_L 0x5C -#define BRCMF_PCIE_CFGREG_MSI_ADDR_H 0x60 -#define BRCMF_PCIE_CFGREG_MSI_DATA 0x64 -#define BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL 0xBC -#define BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL2 0xDC -#define BRCMF_PCIE_CFGREG_RBAR_CTRL 0x228 -#define BRCMF_PCIE_CFGREG_PML1_SUB_CTRL1 0x248 -#define BRCMF_PCIE_CFGREG_REG_BAR2_CONFIG 0x4E0 -#define BRCMF_PCIE_CFGREG_REG_BAR3_CONFIG 0x4F4 -#define BRCMF_PCIE_LINK_STATUS_CTRL_ASPM_ENAB 3 - - -MODULE_FIRMWARE(BRCMF_PCIE_43602_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_43602_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4350_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4350_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4356_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4356_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_43570_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_43570_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4358_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4358_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4365_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4365_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4366_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4366_NVRAM_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4371_FW_NAME); -MODULE_FIRMWARE(BRCMF_PCIE_4371_NVRAM_NAME); - - -struct brcmf_pcie_console { - u32 base_addr; - u32 buf_addr; - u32 bufsize; - u32 read_idx; - u8 log_str[256]; - u8 log_idx; -}; - -struct brcmf_pcie_shared_info { - u32 tcm_base_address; - u32 flags; - struct brcmf_pcie_ringbuf *commonrings[BRCMF_NROF_COMMON_MSGRINGS]; - struct brcmf_pcie_ringbuf *flowrings; - u16 max_rxbufpost; - u32 nrof_flowrings; - u32 rx_dataoffset; - u32 htod_mb_data_addr; - u32 dtoh_mb_data_addr; - u32 ring_info_addr; - struct brcmf_pcie_console console; - void *scratch; - dma_addr_t scratch_dmahandle; - void *ringupd; - dma_addr_t ringupd_dmahandle; -}; - -struct brcmf_pcie_core_info { - u32 base; - u32 wrapbase; -}; - -struct brcmf_pciedev_info { - enum brcmf_pcie_state state; - bool in_irq; - bool irq_requested; - struct pci_dev *pdev; - char fw_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; - char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; - void __iomem *regs; - void __iomem *tcm; - u32 tcm_size; - u32 ram_base; - u32 ram_size; - struct brcmf_chip *ci; - u32 coreid; - u32 generic_corerev; - struct brcmf_pcie_shared_info shared; - void (*ringbell)(struct brcmf_pciedev_info *devinfo); - wait_queue_head_t mbdata_resp_wait; - bool mbdata_completed; - bool irq_allocated; - bool wowl_enabled; - u8 dma_idx_sz; - void *idxbuf; - u32 idxbuf_sz; - dma_addr_t idxbuf_dmahandle; - u16 (*read_ptr)(struct brcmf_pciedev_info *devinfo, u32 mem_offset); - void (*write_ptr)(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - u16 value); -}; - -struct brcmf_pcie_ringbuf { - struct brcmf_commonring commonring; - dma_addr_t dma_handle; - u32 w_idx_addr; - u32 r_idx_addr; - struct brcmf_pciedev_info *devinfo; - u8 id; -}; - - -static const u32 brcmf_ring_max_item[BRCMF_NROF_COMMON_MSGRINGS] = { - BRCMF_H2D_MSGRING_CONTROL_SUBMIT_MAX_ITEM, - BRCMF_H2D_MSGRING_RXPOST_SUBMIT_MAX_ITEM, - BRCMF_D2H_MSGRING_CONTROL_COMPLETE_MAX_ITEM, - BRCMF_D2H_MSGRING_TX_COMPLETE_MAX_ITEM, - BRCMF_D2H_MSGRING_RX_COMPLETE_MAX_ITEM -}; - -static const u32 brcmf_ring_itemsize[BRCMF_NROF_COMMON_MSGRINGS] = { - BRCMF_H2D_MSGRING_CONTROL_SUBMIT_ITEMSIZE, - BRCMF_H2D_MSGRING_RXPOST_SUBMIT_ITEMSIZE, - BRCMF_D2H_MSGRING_CONTROL_COMPLETE_ITEMSIZE, - BRCMF_D2H_MSGRING_TX_COMPLETE_ITEMSIZE, - BRCMF_D2H_MSGRING_RX_COMPLETE_ITEMSIZE -}; - - -static u32 -brcmf_pcie_read_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset) -{ - void __iomem *address = devinfo->regs + reg_offset; - - return (ioread32(address)); -} - - -static void -brcmf_pcie_write_reg32(struct brcmf_pciedev_info *devinfo, u32 reg_offset, - u32 value) -{ - void __iomem *address = devinfo->regs + reg_offset; - - iowrite32(value, address); -} - - -static u8 -brcmf_pcie_read_tcm8(struct brcmf_pciedev_info *devinfo, u32 mem_offset) -{ - void __iomem *address = devinfo->tcm + mem_offset; - - return (ioread8(address)); -} - - -static u16 -brcmf_pcie_read_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset) -{ - void __iomem *address = devinfo->tcm + mem_offset; - - return (ioread16(address)); -} - - -static void -brcmf_pcie_write_tcm16(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - u16 value) -{ - void __iomem *address = devinfo->tcm + mem_offset; - - iowrite16(value, address); -} - - -static u16 -brcmf_pcie_read_idx(struct brcmf_pciedev_info *devinfo, u32 mem_offset) -{ - u16 *address = devinfo->idxbuf + mem_offset; - - return (*(address)); -} - - -static void -brcmf_pcie_write_idx(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - u16 value) -{ - u16 *address = devinfo->idxbuf + mem_offset; - - *(address) = value; -} - - -static u32 -brcmf_pcie_read_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset) -{ - void __iomem *address = devinfo->tcm + mem_offset; - - return (ioread32(address)); -} - - -static void -brcmf_pcie_write_tcm32(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - u32 value) -{ - void __iomem *address = devinfo->tcm + mem_offset; - - iowrite32(value, address); -} - - -static u32 -brcmf_pcie_read_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset) -{ - void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset; - - return (ioread32(addr)); -} - - -static void -brcmf_pcie_write_ram32(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - u32 value) -{ - void __iomem *addr = devinfo->tcm + devinfo->ci->rambase + mem_offset; - - iowrite32(value, addr); -} - - -static void -brcmf_pcie_copy_mem_todev(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - void *srcaddr, u32 len) -{ - void __iomem *address = devinfo->tcm + mem_offset; - __le32 *src32; - __le16 *src16; - u8 *src8; - - if (((ulong)address & 4) || ((ulong)srcaddr & 4) || (len & 4)) { - if (((ulong)address & 2) || ((ulong)srcaddr & 2) || (len & 2)) { - src8 = (u8 *)srcaddr; - while (len) { - iowrite8(*src8, address); - address++; - src8++; - len--; - } - } else { - len = len / 2; - src16 = (__le16 *)srcaddr; - while (len) { - iowrite16(le16_to_cpu(*src16), address); - address += 2; - src16++; - len--; - } - } - } else { - len = len / 4; - src32 = (__le32 *)srcaddr; - while (len) { - iowrite32(le32_to_cpu(*src32), address); - address += 4; - src32++; - len--; - } - } -} - - -static void -brcmf_pcie_copy_dev_tomem(struct brcmf_pciedev_info *devinfo, u32 mem_offset, - void *dstaddr, u32 len) -{ - void __iomem *address = devinfo->tcm + mem_offset; - __le32 *dst32; - __le16 *dst16; - u8 *dst8; - - if (((ulong)address & 4) || ((ulong)dstaddr & 4) || (len & 4)) { - if (((ulong)address & 2) || ((ulong)dstaddr & 2) || (len & 2)) { - dst8 = (u8 *)dstaddr; - while (len) { - *dst8 = ioread8(address); - address++; - dst8++; - len--; - } - } else { - len = len / 2; - dst16 = (__le16 *)dstaddr; - while (len) { - *dst16 = cpu_to_le16(ioread16(address)); - address += 2; - dst16++; - len--; - } - } - } else { - len = len / 4; - dst32 = (__le32 *)dstaddr; - while (len) { - *dst32 = cpu_to_le32(ioread32(address)); - address += 4; - dst32++; - len--; - } - } -} - - -#define WRITECC32(devinfo, reg, value) brcmf_pcie_write_reg32(devinfo, \ - CHIPCREGOFFS(reg), value) - - -static void -brcmf_pcie_select_core(struct brcmf_pciedev_info *devinfo, u16 coreid) -{ - const struct pci_dev *pdev = devinfo->pdev; - struct brcmf_core *core; - u32 bar0_win; - - core = brcmf_chip_get_core(devinfo->ci, coreid); - if (core) { - bar0_win = core->base; - pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, bar0_win); - if (pci_read_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, - &bar0_win) == 0) { - if (bar0_win != core->base) { - bar0_win = core->base; - pci_write_config_dword(pdev, - BRCMF_PCIE_BAR0_WINDOW, - bar0_win); - } - } - } else { - brcmf_err("Unsupported core selected %x\n", coreid); - } -} - - -static void brcmf_pcie_reset_device(struct brcmf_pciedev_info *devinfo) -{ - struct brcmf_core *core; - u16 cfg_offset[] = { BRCMF_PCIE_CFGREG_STATUS_CMD, - BRCMF_PCIE_CFGREG_PM_CSR, - BRCMF_PCIE_CFGREG_MSI_CAP, - BRCMF_PCIE_CFGREG_MSI_ADDR_L, - BRCMF_PCIE_CFGREG_MSI_ADDR_H, - BRCMF_PCIE_CFGREG_MSI_DATA, - BRCMF_PCIE_CFGREG_LINK_STATUS_CTRL2, - BRCMF_PCIE_CFGREG_RBAR_CTRL, - BRCMF_PCIE_CFGREG_PML1_SUB_CTRL1, - BRCMF_PCIE_CFGREG_REG_BAR2_CONFIG, - BRCMF_PCIE_CFGREG_REG_BAR3_CONFIG }; - u32 i; - u32 val; - u32 lsc; - - if (!devinfo->ci) - return; - - /* Disable ASPM */ - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - pci_read_config_dword(devinfo->pdev, BRCMF_PCIE_REG_LINK_STATUS_CTRL, - &lsc); - val = lsc & (~BRCMF_PCIE_LINK_STATUS_CTRL_ASPM_ENAB); - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_LINK_STATUS_CTRL, - val); - - /* Watchdog reset */ - brcmf_pcie_select_core(devinfo, BCMA_CORE_CHIPCOMMON); - WRITECC32(devinfo, watchdog, 4); - msleep(100); - - /* Restore ASPM */ - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_LINK_STATUS_CTRL, - lsc); - - core = brcmf_chip_get_core(devinfo->ci, BCMA_CORE_PCIE2); - if (core->rev <= 13) { - for (i = 0; i < ARRAY_SIZE(cfg_offset); i++) { - brcmf_pcie_write_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_CONFIGADDR, - cfg_offset[i]); - val = brcmf_pcie_read_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_CONFIGDATA); - brcmf_dbg(PCIE, "config offset 0x%04x, value 0x%04x\n", - cfg_offset[i], val); - brcmf_pcie_write_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_CONFIGDATA, - val); - } - } -} - - -static void brcmf_pcie_attach(struct brcmf_pciedev_info *devinfo) -{ - u32 config; - - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - /* BAR1 window may not be sized properly */ - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGADDR, 0x4e0); - config = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_CONFIGDATA, config); - - device_wakeup_enable(&devinfo->pdev->dev); -} - - -static int brcmf_pcie_enter_download_state(struct brcmf_pciedev_info *devinfo) -{ - if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) { - brcmf_pcie_select_core(devinfo, BCMA_CORE_ARM_CR4); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX, - 5); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA, - 0); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX, - 7); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKPDA, - 0); - } - return 0; -} - - -static int brcmf_pcie_exit_download_state(struct brcmf_pciedev_info *devinfo, - u32 resetintr) -{ - struct brcmf_core *core; - - if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) { - core = brcmf_chip_get_core(devinfo->ci, BCMA_CORE_INTERNAL_MEM); - brcmf_chip_resetcore(core, 0, 0, 0); - } - - return !brcmf_chip_set_active(devinfo->ci, resetintr); -} - - -static int -brcmf_pcie_send_mb_data(struct brcmf_pciedev_info *devinfo, u32 htod_mb_data) -{ - struct brcmf_pcie_shared_info *shared; - u32 addr; - u32 cur_htod_mb_data; - u32 i; - - shared = &devinfo->shared; - addr = shared->htod_mb_data_addr; - cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); - - if (cur_htod_mb_data != 0) - brcmf_dbg(PCIE, "MB transaction is already pending 0x%04x\n", - cur_htod_mb_data); - - i = 0; - while (cur_htod_mb_data != 0) { - msleep(10); - i++; - if (i > 100) - return -EIO; - cur_htod_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); - } - - brcmf_pcie_write_tcm32(devinfo, addr, htod_mb_data); - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1); - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1); - - return 0; -} - - -static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo) -{ - struct brcmf_pcie_shared_info *shared; - u32 addr; - u32 dtoh_mb_data; - - shared = &devinfo->shared; - addr = shared->dtoh_mb_data_addr; - dtoh_mb_data = brcmf_pcie_read_tcm32(devinfo, addr); - - if (!dtoh_mb_data) - return; - - brcmf_pcie_write_tcm32(devinfo, addr, 0); - - brcmf_dbg(PCIE, "D2H_MB_DATA: 0x%04x\n", dtoh_mb_data); - if (dtoh_mb_data & BRCMF_D2H_DEV_DS_ENTER_REQ) { - brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP REQ\n"); - brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_DS_ACK); - brcmf_dbg(PCIE, "D2H_MB_DATA: sent DEEP SLEEP ACK\n"); - } - if (dtoh_mb_data & BRCMF_D2H_DEV_DS_EXIT_NOTE) - brcmf_dbg(PCIE, "D2H_MB_DATA: DEEP SLEEP EXIT\n"); - if (dtoh_mb_data & BRCMF_D2H_DEV_D3_ACK) { - brcmf_dbg(PCIE, "D2H_MB_DATA: D3 ACK\n"); - if (waitqueue_active(&devinfo->mbdata_resp_wait)) { - devinfo->mbdata_completed = true; - wake_up(&devinfo->mbdata_resp_wait); - } - } -} - - -static void brcmf_pcie_bus_console_init(struct brcmf_pciedev_info *devinfo) -{ - struct brcmf_pcie_shared_info *shared; - struct brcmf_pcie_console *console; - u32 addr; - - shared = &devinfo->shared; - console = &shared->console; - addr = shared->tcm_base_address + BRCMF_SHARED_CONSOLE_ADDR_OFFSET; - console->base_addr = brcmf_pcie_read_tcm32(devinfo, addr); - - addr = console->base_addr + BRCMF_CONSOLE_BUFADDR_OFFSET; - console->buf_addr = brcmf_pcie_read_tcm32(devinfo, addr); - addr = console->base_addr + BRCMF_CONSOLE_BUFSIZE_OFFSET; - console->bufsize = brcmf_pcie_read_tcm32(devinfo, addr); - - brcmf_dbg(FWCON, "Console: base %x, buf %x, size %d\n", - console->base_addr, console->buf_addr, console->bufsize); -} - - -static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo) -{ - struct brcmf_pcie_console *console; - u32 addr; - u8 ch; - u32 newidx; - - if (!BRCMF_FWCON_ON()) - return; - - console = &devinfo->shared.console; - addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET; - newidx = brcmf_pcie_read_tcm32(devinfo, addr); - while (newidx != console->read_idx) { - addr = console->buf_addr + console->read_idx; - ch = brcmf_pcie_read_tcm8(devinfo, addr); - console->read_idx++; - if (console->read_idx == console->bufsize) - console->read_idx = 0; - if (ch == '\r') - continue; - console->log_str[console->log_idx] = ch; - console->log_idx++; - if ((ch != '\n') && - (console->log_idx == (sizeof(console->log_str) - 2))) { - ch = '\n'; - console->log_str[console->log_idx] = ch; - console->log_idx++; - } - if (ch == '\n') { - console->log_str[console->log_idx] = 0; - pr_debug("CONSOLE: %s", console->log_str); - console->log_idx = 0; - } - } -} - - -static __used void brcmf_pcie_ringbell_v1(struct brcmf_pciedev_info *devinfo) -{ - u32 reg_value; - - brcmf_dbg(PCIE, "RING !\n"); - reg_value = brcmf_pcie_read_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_MAILBOXINT); - reg_value |= BRCMF_PCIE2_INTB; - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, - reg_value); -} - - -static void brcmf_pcie_ringbell_v2(struct brcmf_pciedev_info *devinfo) -{ - brcmf_dbg(PCIE, "RING !\n"); - /* Any arbitrary value will do, lets use 1 */ - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_H2D_MAILBOX, 1); -} - - -static void brcmf_pcie_intr_disable(struct brcmf_pciedev_info *devinfo) -{ - if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK, - 0); - else - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK, - 0); -} - - -static void brcmf_pcie_intr_enable(struct brcmf_pciedev_info *devinfo) -{ - if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) - pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTMASK, - BRCMF_PCIE_INT_DEF); - else - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXMASK, - BRCMF_PCIE_MB_INT_D2H_DB | - BRCMF_PCIE_MB_INT_FN0_0 | - BRCMF_PCIE_MB_INT_FN0_1); -} - - -static irqreturn_t brcmf_pcie_quick_check_isr_v1(int irq, void *arg) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; - u32 status; - - status = 0; - pci_read_config_dword(devinfo->pdev, BRCMF_PCIE_REG_INTSTATUS, &status); - if (status) { - brcmf_pcie_intr_disable(devinfo); - brcmf_dbg(PCIE, "Enter\n"); - return IRQ_WAKE_THREAD; - } - return IRQ_NONE; -} - - -static irqreturn_t brcmf_pcie_quick_check_isr_v2(int irq, void *arg) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; - - if (brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT)) { - brcmf_pcie_intr_disable(devinfo); - brcmf_dbg(PCIE, "Enter\n"); - return IRQ_WAKE_THREAD; - } - return IRQ_NONE; -} - - -static irqreturn_t brcmf_pcie_isr_thread_v1(int irq, void *arg) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; - const struct pci_dev *pdev = devinfo->pdev; - u32 status; - - devinfo->in_irq = true; - status = 0; - pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status); - brcmf_dbg(PCIE, "Enter %x\n", status); - if (status) { - pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status); - if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) - brcmf_proto_msgbuf_rx_trigger(&devinfo->pdev->dev); - } - if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) - brcmf_pcie_intr_enable(devinfo); - devinfo->in_irq = false; - return IRQ_HANDLED; -} - - -static irqreturn_t brcmf_pcie_isr_thread_v2(int irq, void *arg) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)arg; - u32 status; - - devinfo->in_irq = true; - status = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT); - brcmf_dbg(PCIE, "Enter %x\n", status); - if (status) { - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, - status); - if (status & (BRCMF_PCIE_MB_INT_FN0_0 | - BRCMF_PCIE_MB_INT_FN0_1)) - brcmf_pcie_handle_mb_data(devinfo); - if (status & BRCMF_PCIE_MB_INT_D2H_DB) { - if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) - brcmf_proto_msgbuf_rx_trigger( - &devinfo->pdev->dev); - } - } - brcmf_pcie_bus_console_read(devinfo); - if (devinfo->state == BRCMFMAC_PCIE_STATE_UP) - brcmf_pcie_intr_enable(devinfo); - devinfo->in_irq = false; - return IRQ_HANDLED; -} - - -static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo) -{ - struct pci_dev *pdev; - - pdev = devinfo->pdev; - - brcmf_pcie_intr_disable(devinfo); - - brcmf_dbg(PCIE, "Enter\n"); - /* is it a v1 or v2 implementation */ - devinfo->irq_requested = false; - pci_enable_msi(pdev); - if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) { - if (request_threaded_irq(pdev->irq, - brcmf_pcie_quick_check_isr_v1, - brcmf_pcie_isr_thread_v1, - IRQF_SHARED, "brcmf_pcie_intr", - devinfo)) { - pci_disable_msi(pdev); - brcmf_err("Failed to request IRQ %d\n", pdev->irq); - return -EIO; - } - } else { - if (request_threaded_irq(pdev->irq, - brcmf_pcie_quick_check_isr_v2, - brcmf_pcie_isr_thread_v2, - IRQF_SHARED, "brcmf_pcie_intr", - devinfo)) { - pci_disable_msi(pdev); - brcmf_err("Failed to request IRQ %d\n", pdev->irq); - return -EIO; - } - } - devinfo->irq_requested = true; - devinfo->irq_allocated = true; - return 0; -} - - -static void brcmf_pcie_release_irq(struct brcmf_pciedev_info *devinfo) -{ - struct pci_dev *pdev; - u32 status; - u32 count; - - if (!devinfo->irq_allocated) - return; - - pdev = devinfo->pdev; - - brcmf_pcie_intr_disable(devinfo); - if (!devinfo->irq_requested) - return; - devinfo->irq_requested = false; - free_irq(pdev->irq, devinfo); - pci_disable_msi(pdev); - - msleep(50); - count = 0; - while ((devinfo->in_irq) && (count < 20)) { - msleep(50); - count++; - } - if (devinfo->in_irq) - brcmf_err("Still in IRQ (processing) !!!\n"); - - if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) { - status = 0; - pci_read_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, &status); - pci_write_config_dword(pdev, BRCMF_PCIE_REG_INTSTATUS, status); - } else { - status = brcmf_pcie_read_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_MAILBOXINT); - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, - status); - } - devinfo->irq_allocated = false; -} - - -static int brcmf_pcie_ring_mb_write_rptr(void *ctx) -{ - struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; - struct brcmf_pciedev_info *devinfo = ring->devinfo; - struct brcmf_commonring *commonring = &ring->commonring; - - if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) - return -EIO; - - brcmf_dbg(PCIE, "W r_ptr %d (%d), ring %d\n", commonring->r_ptr, - commonring->w_ptr, ring->id); - - devinfo->write_ptr(devinfo, ring->r_idx_addr, commonring->r_ptr); - - return 0; -} - - -static int brcmf_pcie_ring_mb_write_wptr(void *ctx) -{ - struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; - struct brcmf_pciedev_info *devinfo = ring->devinfo; - struct brcmf_commonring *commonring = &ring->commonring; - - if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) - return -EIO; - - brcmf_dbg(PCIE, "W w_ptr %d (%d), ring %d\n", commonring->w_ptr, - commonring->r_ptr, ring->id); - - devinfo->write_ptr(devinfo, ring->w_idx_addr, commonring->w_ptr); - - return 0; -} - - -static int brcmf_pcie_ring_mb_ring_bell(void *ctx) -{ - struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; - struct brcmf_pciedev_info *devinfo = ring->devinfo; - - if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) - return -EIO; - - devinfo->ringbell(devinfo); - - return 0; -} - - -static int brcmf_pcie_ring_mb_update_rptr(void *ctx) -{ - struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; - struct brcmf_pciedev_info *devinfo = ring->devinfo; - struct brcmf_commonring *commonring = &ring->commonring; - - if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) - return -EIO; - - commonring->r_ptr = devinfo->read_ptr(devinfo, ring->r_idx_addr); - - brcmf_dbg(PCIE, "R r_ptr %d (%d), ring %d\n", commonring->r_ptr, - commonring->w_ptr, ring->id); - - return 0; -} - - -static int brcmf_pcie_ring_mb_update_wptr(void *ctx) -{ - struct brcmf_pcie_ringbuf *ring = (struct brcmf_pcie_ringbuf *)ctx; - struct brcmf_pciedev_info *devinfo = ring->devinfo; - struct brcmf_commonring *commonring = &ring->commonring; - - if (devinfo->state != BRCMFMAC_PCIE_STATE_UP) - return -EIO; - - commonring->w_ptr = devinfo->read_ptr(devinfo, ring->w_idx_addr); - - brcmf_dbg(PCIE, "R w_ptr %d (%d), ring %d\n", commonring->w_ptr, - commonring->r_ptr, ring->id); - - return 0; -} - - -static void * -brcmf_pcie_init_dmabuffer_for_device(struct brcmf_pciedev_info *devinfo, - u32 size, u32 tcm_dma_phys_addr, - dma_addr_t *dma_handle) -{ - void *ring; - u64 address; - - ring = dma_alloc_coherent(&devinfo->pdev->dev, size, dma_handle, - GFP_KERNEL); - if (!ring) - return NULL; - - address = (u64)*dma_handle; - brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr, - address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr + 4, address >> 32); - - memset(ring, 0, size); - - return (ring); -} - - -static struct brcmf_pcie_ringbuf * -brcmf_pcie_alloc_dma_and_ring(struct brcmf_pciedev_info *devinfo, u32 ring_id, - u32 tcm_ring_phys_addr) -{ - void *dma_buf; - dma_addr_t dma_handle; - struct brcmf_pcie_ringbuf *ring; - u32 size; - u32 addr; - - size = brcmf_ring_max_item[ring_id] * brcmf_ring_itemsize[ring_id]; - dma_buf = brcmf_pcie_init_dmabuffer_for_device(devinfo, size, - tcm_ring_phys_addr + BRCMF_RING_MEM_BASE_ADDR_OFFSET, - &dma_handle); - if (!dma_buf) - return NULL; - - addr = tcm_ring_phys_addr + BRCMF_RING_MAX_ITEM_OFFSET; - brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_max_item[ring_id]); - addr = tcm_ring_phys_addr + BRCMF_RING_LEN_ITEMS_OFFSET; - brcmf_pcie_write_tcm16(devinfo, addr, brcmf_ring_itemsize[ring_id]); - - ring = kzalloc(sizeof(*ring), GFP_KERNEL); - if (!ring) { - dma_free_coherent(&devinfo->pdev->dev, size, dma_buf, - dma_handle); - return NULL; - } - brcmf_commonring_config(&ring->commonring, brcmf_ring_max_item[ring_id], - brcmf_ring_itemsize[ring_id], dma_buf); - ring->dma_handle = dma_handle; - ring->devinfo = devinfo; - brcmf_commonring_register_cb(&ring->commonring, - brcmf_pcie_ring_mb_ring_bell, - brcmf_pcie_ring_mb_update_rptr, - brcmf_pcie_ring_mb_update_wptr, - brcmf_pcie_ring_mb_write_rptr, - brcmf_pcie_ring_mb_write_wptr, ring); - - return (ring); -} - - -static void brcmf_pcie_release_ringbuffer(struct device *dev, - struct brcmf_pcie_ringbuf *ring) -{ - void *dma_buf; - u32 size; - - if (!ring) - return; - - dma_buf = ring->commonring.buf_addr; - if (dma_buf) { - size = ring->commonring.depth * ring->commonring.item_len; - dma_free_coherent(dev, size, dma_buf, ring->dma_handle); - } - kfree(ring); -} - - -static void brcmf_pcie_release_ringbuffers(struct brcmf_pciedev_info *devinfo) -{ - u32 i; - - for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++) { - brcmf_pcie_release_ringbuffer(&devinfo->pdev->dev, - devinfo->shared.commonrings[i]); - devinfo->shared.commonrings[i] = NULL; - } - kfree(devinfo->shared.flowrings); - devinfo->shared.flowrings = NULL; - if (devinfo->idxbuf) { - dma_free_coherent(&devinfo->pdev->dev, - devinfo->idxbuf_sz, - devinfo->idxbuf, - devinfo->idxbuf_dmahandle); - devinfo->idxbuf = NULL; - } -} - - -static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo) -{ - struct brcmf_pcie_ringbuf *ring; - struct brcmf_pcie_ringbuf *rings; - u32 ring_addr; - u32 d2h_w_idx_ptr; - u32 d2h_r_idx_ptr; - u32 h2d_w_idx_ptr; - u32 h2d_r_idx_ptr; - u32 addr; - u32 ring_mem_ptr; - u32 i; - u64 address; - u32 bufsz; - u16 max_sub_queues; - u8 idx_offset; - - ring_addr = devinfo->shared.ring_info_addr; - brcmf_dbg(PCIE, "Base ring addr = 0x%08x\n", ring_addr); - addr = ring_addr + BRCMF_SHARED_RING_MAX_SUB_QUEUES; - max_sub_queues = brcmf_pcie_read_tcm16(devinfo, addr); - - if (devinfo->dma_idx_sz != 0) { - bufsz = (BRCMF_NROF_D2H_COMMON_MSGRINGS + max_sub_queues) * - devinfo->dma_idx_sz * 2; - devinfo->idxbuf = dma_alloc_coherent(&devinfo->pdev->dev, bufsz, - &devinfo->idxbuf_dmahandle, - GFP_KERNEL); - if (!devinfo->idxbuf) - devinfo->dma_idx_sz = 0; - } - - if (devinfo->dma_idx_sz == 0) { - addr = ring_addr + BRCMF_SHARED_RING_D2H_W_IDX_PTR_OFFSET; - d2h_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); - addr = ring_addr + BRCMF_SHARED_RING_D2H_R_IDX_PTR_OFFSET; - d2h_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); - addr = ring_addr + BRCMF_SHARED_RING_H2D_W_IDX_PTR_OFFSET; - h2d_w_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); - addr = ring_addr + BRCMF_SHARED_RING_H2D_R_IDX_PTR_OFFSET; - h2d_r_idx_ptr = brcmf_pcie_read_tcm32(devinfo, addr); - idx_offset = sizeof(u32); - devinfo->write_ptr = brcmf_pcie_write_tcm16; - devinfo->read_ptr = brcmf_pcie_read_tcm16; - brcmf_dbg(PCIE, "Using TCM indices\n"); - } else { - memset(devinfo->idxbuf, 0, bufsz); - devinfo->idxbuf_sz = bufsz; - idx_offset = devinfo->dma_idx_sz; - devinfo->write_ptr = brcmf_pcie_write_idx; - devinfo->read_ptr = brcmf_pcie_read_idx; - - h2d_w_idx_ptr = 0; - addr = ring_addr + BRCMF_SHARED_RING_H2D_WP_HADDR_OFFSET; - address = (u64)devinfo->idxbuf_dmahandle; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - - h2d_r_idx_ptr = h2d_w_idx_ptr + max_sub_queues * idx_offset; - addr = ring_addr + BRCMF_SHARED_RING_H2D_RP_HADDR_OFFSET; - address += max_sub_queues * idx_offset; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - - d2h_w_idx_ptr = h2d_r_idx_ptr + max_sub_queues * idx_offset; - addr = ring_addr + BRCMF_SHARED_RING_D2H_WP_HADDR_OFFSET; - address += max_sub_queues * idx_offset; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - - d2h_r_idx_ptr = d2h_w_idx_ptr + - BRCMF_NROF_D2H_COMMON_MSGRINGS * idx_offset; - addr = ring_addr + BRCMF_SHARED_RING_D2H_RP_HADDR_OFFSET; - address += BRCMF_NROF_D2H_COMMON_MSGRINGS * idx_offset; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - brcmf_dbg(PCIE, "Using host memory indices\n"); - } - - addr = ring_addr + BRCMF_SHARED_RING_TCM_MEMLOC_OFFSET; - ring_mem_ptr = brcmf_pcie_read_tcm32(devinfo, addr); - - for (i = 0; i < BRCMF_NROF_H2D_COMMON_MSGRINGS; i++) { - ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr); - if (!ring) - goto fail; - ring->w_idx_addr = h2d_w_idx_ptr; - ring->r_idx_addr = h2d_r_idx_ptr; - ring->id = i; - devinfo->shared.commonrings[i] = ring; - - h2d_w_idx_ptr += idx_offset; - h2d_r_idx_ptr += idx_offset; - ring_mem_ptr += BRCMF_RING_MEM_SZ; - } - - for (i = BRCMF_NROF_H2D_COMMON_MSGRINGS; - i < BRCMF_NROF_COMMON_MSGRINGS; i++) { - ring = brcmf_pcie_alloc_dma_and_ring(devinfo, i, ring_mem_ptr); - if (!ring) - goto fail; - ring->w_idx_addr = d2h_w_idx_ptr; - ring->r_idx_addr = d2h_r_idx_ptr; - ring->id = i; - devinfo->shared.commonrings[i] = ring; - - d2h_w_idx_ptr += idx_offset; - d2h_r_idx_ptr += idx_offset; - ring_mem_ptr += BRCMF_RING_MEM_SZ; - } - - devinfo->shared.nrof_flowrings = - max_sub_queues - BRCMF_NROF_H2D_COMMON_MSGRINGS; - rings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(*ring), - GFP_KERNEL); - if (!rings) - goto fail; - - brcmf_dbg(PCIE, "Nr of flowrings is %d\n", - devinfo->shared.nrof_flowrings); - - for (i = 0; i < devinfo->shared.nrof_flowrings; i++) { - ring = &rings[i]; - ring->devinfo = devinfo; - ring->id = i + BRCMF_NROF_COMMON_MSGRINGS; - brcmf_commonring_register_cb(&ring->commonring, - brcmf_pcie_ring_mb_ring_bell, - brcmf_pcie_ring_mb_update_rptr, - brcmf_pcie_ring_mb_update_wptr, - brcmf_pcie_ring_mb_write_rptr, - brcmf_pcie_ring_mb_write_wptr, - ring); - ring->w_idx_addr = h2d_w_idx_ptr; - ring->r_idx_addr = h2d_r_idx_ptr; - h2d_w_idx_ptr += idx_offset; - h2d_r_idx_ptr += idx_offset; - } - devinfo->shared.flowrings = rings; - - return 0; - -fail: - brcmf_err("Allocating ring buffers failed\n"); - brcmf_pcie_release_ringbuffers(devinfo); - return -ENOMEM; -} - - -static void -brcmf_pcie_release_scratchbuffers(struct brcmf_pciedev_info *devinfo) -{ - if (devinfo->shared.scratch) - dma_free_coherent(&devinfo->pdev->dev, - BRCMF_DMA_D2H_SCRATCH_BUF_LEN, - devinfo->shared.scratch, - devinfo->shared.scratch_dmahandle); - if (devinfo->shared.ringupd) - dma_free_coherent(&devinfo->pdev->dev, - BRCMF_DMA_D2H_RINGUPD_BUF_LEN, - devinfo->shared.ringupd, - devinfo->shared.ringupd_dmahandle); -} - -static int brcmf_pcie_init_scratchbuffers(struct brcmf_pciedev_info *devinfo) -{ - u64 address; - u32 addr; - - devinfo->shared.scratch = dma_alloc_coherent(&devinfo->pdev->dev, - BRCMF_DMA_D2H_SCRATCH_BUF_LEN, - &devinfo->shared.scratch_dmahandle, GFP_KERNEL); - if (!devinfo->shared.scratch) - goto fail; - - memset(devinfo->shared.scratch, 0, BRCMF_DMA_D2H_SCRATCH_BUF_LEN); - - addr = devinfo->shared.tcm_base_address + - BRCMF_SHARED_DMA_SCRATCH_ADDR_OFFSET; - address = (u64)devinfo->shared.scratch_dmahandle; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - addr = devinfo->shared.tcm_base_address + - BRCMF_SHARED_DMA_SCRATCH_LEN_OFFSET; - brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_SCRATCH_BUF_LEN); - - devinfo->shared.ringupd = dma_alloc_coherent(&devinfo->pdev->dev, - BRCMF_DMA_D2H_RINGUPD_BUF_LEN, - &devinfo->shared.ringupd_dmahandle, GFP_KERNEL); - if (!devinfo->shared.ringupd) - goto fail; - - memset(devinfo->shared.ringupd, 0, BRCMF_DMA_D2H_RINGUPD_BUF_LEN); - - addr = devinfo->shared.tcm_base_address + - BRCMF_SHARED_DMA_RINGUPD_ADDR_OFFSET; - address = (u64)devinfo->shared.ringupd_dmahandle; - brcmf_pcie_write_tcm32(devinfo, addr, address & 0xffffffff); - brcmf_pcie_write_tcm32(devinfo, addr + 4, address >> 32); - addr = devinfo->shared.tcm_base_address + - BRCMF_SHARED_DMA_RINGUPD_LEN_OFFSET; - brcmf_pcie_write_tcm32(devinfo, addr, BRCMF_DMA_D2H_RINGUPD_BUF_LEN); - return 0; - -fail: - brcmf_err("Allocating scratch buffers failed\n"); - brcmf_pcie_release_scratchbuffers(devinfo); - return -ENOMEM; -} - - -static void brcmf_pcie_down(struct device *dev) -{ -} - - -static int brcmf_pcie_tx(struct device *dev, struct sk_buff *skb) -{ - return 0; -} - - -static int brcmf_pcie_tx_ctlpkt(struct device *dev, unsigned char *msg, - uint len) -{ - return 0; -} - - -static int brcmf_pcie_rx_ctlpkt(struct device *dev, unsigned char *msg, - uint len) -{ - return 0; -} - - -static void brcmf_pcie_wowl_config(struct device *dev, bool enabled) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = buspub->devinfo; - - brcmf_dbg(PCIE, "Configuring WOWL, enabled=%d\n", enabled); - devinfo->wowl_enabled = enabled; - if (enabled) - device_set_wakeup_enable(&devinfo->pdev->dev, true); - else - device_set_wakeup_enable(&devinfo->pdev->dev, false); -} - - -static size_t brcmf_pcie_get_ramsize(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = buspub->devinfo; - - return devinfo->ci->ramsize - devinfo->ci->srsize; -} - - -static int brcmf_pcie_get_memdump(struct device *dev, void *data, size_t len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_pciedev *buspub = bus_if->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = buspub->devinfo; - - brcmf_dbg(PCIE, "dump at 0x%08X: len=%zu\n", devinfo->ci->rambase, len); - brcmf_pcie_copy_dev_tomem(devinfo, devinfo->ci->rambase, data, len); - return 0; -} - - -static struct brcmf_bus_ops brcmf_pcie_bus_ops = { - .txdata = brcmf_pcie_tx, - .stop = brcmf_pcie_down, - .txctl = brcmf_pcie_tx_ctlpkt, - .rxctl = brcmf_pcie_rx_ctlpkt, - .wowl_config = brcmf_pcie_wowl_config, - .get_ramsize = brcmf_pcie_get_ramsize, - .get_memdump = brcmf_pcie_get_memdump, -}; - - -static int -brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo, - u32 sharedram_addr) -{ - struct brcmf_pcie_shared_info *shared; - u32 addr; - u32 version; - - shared = &devinfo->shared; - shared->tcm_base_address = sharedram_addr; - - shared->flags = brcmf_pcie_read_tcm32(devinfo, sharedram_addr); - version = shared->flags & BRCMF_PCIE_SHARED_VERSION_MASK; - brcmf_dbg(PCIE, "PCIe protocol version %d\n", version); - if ((version > BRCMF_PCIE_MAX_SHARED_VERSION) || - (version < BRCMF_PCIE_MIN_SHARED_VERSION)) { - brcmf_err("Unsupported PCIE version %d\n", version); - return -EINVAL; - } - - /* check firmware support dma indicies */ - if (shared->flags & BRCMF_PCIE_SHARED_DMA_INDEX) { - if (shared->flags & BRCMF_PCIE_SHARED_DMA_2B_IDX) - devinfo->dma_idx_sz = sizeof(u16); - else - devinfo->dma_idx_sz = sizeof(u32); - } - - addr = sharedram_addr + BRCMF_SHARED_MAX_RXBUFPOST_OFFSET; - shared->max_rxbufpost = brcmf_pcie_read_tcm16(devinfo, addr); - if (shared->max_rxbufpost == 0) - shared->max_rxbufpost = BRCMF_DEF_MAX_RXBUFPOST; - - addr = sharedram_addr + BRCMF_SHARED_RX_DATAOFFSET_OFFSET; - shared->rx_dataoffset = brcmf_pcie_read_tcm32(devinfo, addr); - - addr = sharedram_addr + BRCMF_SHARED_HTOD_MB_DATA_ADDR_OFFSET; - shared->htod_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr); - - addr = sharedram_addr + BRCMF_SHARED_DTOH_MB_DATA_ADDR_OFFSET; - shared->dtoh_mb_data_addr = brcmf_pcie_read_tcm32(devinfo, addr); - - addr = sharedram_addr + BRCMF_SHARED_RING_INFO_ADDR_OFFSET; - shared->ring_info_addr = brcmf_pcie_read_tcm32(devinfo, addr); - - brcmf_dbg(PCIE, "max rx buf post %d, rx dataoffset %d\n", - shared->max_rxbufpost, shared->rx_dataoffset); - - brcmf_pcie_bus_console_init(devinfo); - - return 0; -} - - -static int brcmf_pcie_get_fwnames(struct brcmf_pciedev_info *devinfo) -{ - char *fw_name; - char *nvram_name; - uint fw_len, nv_len; - char end; - - brcmf_dbg(PCIE, "Enter, chip 0x%04x chiprev %d\n", devinfo->ci->chip, - devinfo->ci->chiprev); - - switch (devinfo->ci->chip) { - case BRCM_CC_43602_CHIP_ID: - fw_name = BRCMF_PCIE_43602_FW_NAME; - nvram_name = BRCMF_PCIE_43602_NVRAM_NAME; - break; - case BRCM_CC_4350_CHIP_ID: - fw_name = BRCMF_PCIE_4350_FW_NAME; - nvram_name = BRCMF_PCIE_4350_NVRAM_NAME; - break; - case BRCM_CC_4356_CHIP_ID: - fw_name = BRCMF_PCIE_4356_FW_NAME; - nvram_name = BRCMF_PCIE_4356_NVRAM_NAME; - break; - case BRCM_CC_43567_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - case BRCM_CC_43570_CHIP_ID: - fw_name = BRCMF_PCIE_43570_FW_NAME; - nvram_name = BRCMF_PCIE_43570_NVRAM_NAME; - break; - case BRCM_CC_4358_CHIP_ID: - fw_name = BRCMF_PCIE_4358_FW_NAME; - nvram_name = BRCMF_PCIE_4358_NVRAM_NAME; - break; - case BRCM_CC_4365_CHIP_ID: - fw_name = BRCMF_PCIE_4365_FW_NAME; - nvram_name = BRCMF_PCIE_4365_NVRAM_NAME; - break; - case BRCM_CC_4366_CHIP_ID: - fw_name = BRCMF_PCIE_4366_FW_NAME; - nvram_name = BRCMF_PCIE_4366_NVRAM_NAME; - break; - case BRCM_CC_4371_CHIP_ID: - fw_name = BRCMF_PCIE_4371_FW_NAME; - nvram_name = BRCMF_PCIE_4371_NVRAM_NAME; - break; - default: - brcmf_err("Unsupported chip 0x%04x\n", devinfo->ci->chip); - return -ENODEV; - } - - fw_len = sizeof(devinfo->fw_name) - 1; - nv_len = sizeof(devinfo->nvram_name) - 1; - /* check if firmware path is provided by module parameter */ - if (brcmf_firmware_path[0] != '\0') { - strncpy(devinfo->fw_name, brcmf_firmware_path, fw_len); - strncpy(devinfo->nvram_name, brcmf_firmware_path, nv_len); - fw_len -= strlen(devinfo->fw_name); - nv_len -= strlen(devinfo->nvram_name); - - end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1]; - if (end != '/') { - strncat(devinfo->fw_name, "/", fw_len); - strncat(devinfo->nvram_name, "/", nv_len); - fw_len--; - nv_len--; - } - } - strncat(devinfo->fw_name, fw_name, fw_len); - strncat(devinfo->nvram_name, nvram_name, nv_len); - - return 0; -} - - -static int brcmf_pcie_download_fw_nvram(struct brcmf_pciedev_info *devinfo, - const struct firmware *fw, void *nvram, - u32 nvram_len) -{ - u32 sharedram_addr; - u32 sharedram_addr_written; - u32 loop_counter; - int err; - u32 address; - u32 resetintr; - - devinfo->ringbell = brcmf_pcie_ringbell_v2; - devinfo->generic_corerev = BRCMF_PCIE_GENREV2; - - brcmf_dbg(PCIE, "Halt ARM.\n"); - err = brcmf_pcie_enter_download_state(devinfo); - if (err) - return err; - - brcmf_dbg(PCIE, "Download FW %s\n", devinfo->fw_name); - brcmf_pcie_copy_mem_todev(devinfo, devinfo->ci->rambase, - (void *)fw->data, fw->size); - - resetintr = get_unaligned_le32(fw->data); - release_firmware(fw); - - /* reset last 4 bytes of RAM address. to be used for shared - * area. This identifies when FW is running - */ - brcmf_pcie_write_ram32(devinfo, devinfo->ci->ramsize - 4, 0); - - if (nvram) { - brcmf_dbg(PCIE, "Download NVRAM %s\n", devinfo->nvram_name); - address = devinfo->ci->rambase + devinfo->ci->ramsize - - nvram_len; - brcmf_pcie_copy_mem_todev(devinfo, address, nvram, nvram_len); - brcmf_fw_nvram_free(nvram); - } else { - brcmf_dbg(PCIE, "No matching NVRAM file found %s\n", - devinfo->nvram_name); - } - - sharedram_addr_written = brcmf_pcie_read_ram32(devinfo, - devinfo->ci->ramsize - - 4); - brcmf_dbg(PCIE, "Bring ARM in running state\n"); - err = brcmf_pcie_exit_download_state(devinfo, resetintr); - if (err) - return err; - - brcmf_dbg(PCIE, "Wait for FW init\n"); - sharedram_addr = sharedram_addr_written; - loop_counter = BRCMF_PCIE_FW_UP_TIMEOUT / 50; - while ((sharedram_addr == sharedram_addr_written) && (loop_counter)) { - msleep(50); - sharedram_addr = brcmf_pcie_read_ram32(devinfo, - devinfo->ci->ramsize - - 4); - loop_counter--; - } - if (sharedram_addr == sharedram_addr_written) { - brcmf_err("FW failed to initialize\n"); - return -ENODEV; - } - brcmf_dbg(PCIE, "Shared RAM addr: 0x%08x\n", sharedram_addr); - - return (brcmf_pcie_init_share_ram_info(devinfo, sharedram_addr)); -} - - -static int brcmf_pcie_get_resource(struct brcmf_pciedev_info *devinfo) -{ - struct pci_dev *pdev; - int err; - phys_addr_t bar0_addr, bar1_addr; - ulong bar1_size; - - pdev = devinfo->pdev; - - err = pci_enable_device(pdev); - if (err) { - brcmf_err("pci_enable_device failed err=%d\n", err); - return err; - } - - pci_set_master(pdev); - - /* Bar-0 mapped address */ - bar0_addr = pci_resource_start(pdev, 0); - /* Bar-1 mapped address */ - bar1_addr = pci_resource_start(pdev, 2); - /* read Bar-1 mapped memory range */ - bar1_size = pci_resource_len(pdev, 2); - if ((bar1_size == 0) || (bar1_addr == 0)) { - brcmf_err("BAR1 Not enabled, device size=%ld, addr=%#016llx\n", - bar1_size, (unsigned long long)bar1_addr); - return -EINVAL; - } - - devinfo->regs = ioremap_nocache(bar0_addr, BRCMF_PCIE_REG_MAP_SIZE); - devinfo->tcm = ioremap_nocache(bar1_addr, BRCMF_PCIE_TCM_MAP_SIZE); - devinfo->tcm_size = BRCMF_PCIE_TCM_MAP_SIZE; - - if (!devinfo->regs || !devinfo->tcm) { - brcmf_err("ioremap() failed (%p,%p)\n", devinfo->regs, - devinfo->tcm); - return -EINVAL; - } - brcmf_dbg(PCIE, "Phys addr : reg space = %p base addr %#016llx\n", - devinfo->regs, (unsigned long long)bar0_addr); - brcmf_dbg(PCIE, "Phys addr : mem space = %p base addr %#016llx\n", - devinfo->tcm, (unsigned long long)bar1_addr); - - return 0; -} - - -static void brcmf_pcie_release_resource(struct brcmf_pciedev_info *devinfo) -{ - if (devinfo->tcm) - iounmap(devinfo->tcm); - if (devinfo->regs) - iounmap(devinfo->regs); - - pci_disable_device(devinfo->pdev); -} - - -static int brcmf_pcie_attach_bus(struct device *dev) -{ - int ret; - - /* Attach to the common driver interface */ - ret = brcmf_attach(dev); - if (ret) { - brcmf_err("brcmf_attach failed\n"); - } else { - ret = brcmf_bus_start(dev); - if (ret) - brcmf_err("dongle is not responding\n"); - } - - return ret; -} - - -static u32 brcmf_pcie_buscore_prep_addr(const struct pci_dev *pdev, u32 addr) -{ - u32 ret_addr; - - ret_addr = addr & (BRCMF_PCIE_BAR0_REG_SIZE - 1); - addr &= ~(BRCMF_PCIE_BAR0_REG_SIZE - 1); - pci_write_config_dword(pdev, BRCMF_PCIE_BAR0_WINDOW, addr); - - return ret_addr; -} - - -static u32 brcmf_pcie_buscore_read32(void *ctx, u32 addr) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; - - addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr); - return brcmf_pcie_read_reg32(devinfo, addr); -} - - -static void brcmf_pcie_buscore_write32(void *ctx, u32 addr, u32 value) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; - - addr = brcmf_pcie_buscore_prep_addr(devinfo->pdev, addr); - brcmf_pcie_write_reg32(devinfo, addr, value); -} - - -static int brcmf_pcie_buscoreprep(void *ctx) -{ - return brcmf_pcie_get_resource(ctx); -} - - -static int brcmf_pcie_buscore_reset(void *ctx, struct brcmf_chip *chip) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; - u32 val; - - devinfo->ci = chip; - brcmf_pcie_reset_device(devinfo); - - val = brcmf_pcie_read_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT); - if (val != 0xffffffff) - brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_MAILBOXINT, - val); - - return 0; -} - - -static void brcmf_pcie_buscore_activate(void *ctx, struct brcmf_chip *chip, - u32 rstvec) -{ - struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; - - brcmf_pcie_write_tcm32(devinfo, 0, rstvec); -} - - -static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = { - .prepare = brcmf_pcie_buscoreprep, - .reset = brcmf_pcie_buscore_reset, - .activate = brcmf_pcie_buscore_activate, - .read32 = brcmf_pcie_buscore_read32, - .write32 = brcmf_pcie_buscore_write32, -}; - -static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, - void *nvram, u32 nvram_len) -{ - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; - struct brcmf_commonring **flowrings; - int ret; - u32 i; - - brcmf_pcie_attach(devinfo); - - ret = brcmf_pcie_download_fw_nvram(devinfo, fw, nvram, nvram_len); - if (ret) - goto fail; - - devinfo->state = BRCMFMAC_PCIE_STATE_UP; - - ret = brcmf_pcie_init_ringbuffers(devinfo); - if (ret) - goto fail; - - ret = brcmf_pcie_init_scratchbuffers(devinfo); - if (ret) - goto fail; - - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - ret = brcmf_pcie_request_irq(devinfo); - if (ret) - goto fail; - - /* hook the commonrings in the bus structure. */ - for (i = 0; i < BRCMF_NROF_COMMON_MSGRINGS; i++) - bus->msgbuf->commonrings[i] = - &devinfo->shared.commonrings[i]->commonring; - - flowrings = kcalloc(devinfo->shared.nrof_flowrings, sizeof(*flowrings), - GFP_KERNEL); - if (!flowrings) - goto fail; - - for (i = 0; i < devinfo->shared.nrof_flowrings; i++) - flowrings[i] = &devinfo->shared.flowrings[i].commonring; - bus->msgbuf->flowrings = flowrings; - - bus->msgbuf->rx_dataoffset = devinfo->shared.rx_dataoffset; - bus->msgbuf->max_rxbufpost = devinfo->shared.max_rxbufpost; - bus->msgbuf->nrof_flowrings = devinfo->shared.nrof_flowrings; - - init_waitqueue_head(&devinfo->mbdata_resp_wait); - - brcmf_pcie_intr_enable(devinfo); - if (brcmf_pcie_attach_bus(bus->dev) == 0) - return; - - brcmf_pcie_bus_console_read(devinfo); - -fail: - device_release_driver(dev); -} - -static int -brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) -{ - int ret; - struct brcmf_pciedev_info *devinfo; - struct brcmf_pciedev *pcie_bus_dev; - struct brcmf_bus *bus; - u16 domain_nr; - u16 bus_nr; - - domain_nr = pci_domain_nr(pdev->bus) + 1; - bus_nr = pdev->bus->number; - brcmf_dbg(PCIE, "Enter %x:%x (%d/%d)\n", pdev->vendor, pdev->device, - domain_nr, bus_nr); - - ret = -ENOMEM; - devinfo = kzalloc(sizeof(*devinfo), GFP_KERNEL); - if (devinfo == NULL) - return ret; - - devinfo->pdev = pdev; - pcie_bus_dev = NULL; - devinfo->ci = brcmf_chip_attach(devinfo, &brcmf_pcie_buscore_ops); - if (IS_ERR(devinfo->ci)) { - ret = PTR_ERR(devinfo->ci); - devinfo->ci = NULL; - goto fail; - } - - pcie_bus_dev = kzalloc(sizeof(*pcie_bus_dev), GFP_KERNEL); - if (pcie_bus_dev == NULL) { - ret = -ENOMEM; - goto fail; - } - - bus = kzalloc(sizeof(*bus), GFP_KERNEL); - if (!bus) { - ret = -ENOMEM; - goto fail; - } - bus->msgbuf = kzalloc(sizeof(*bus->msgbuf), GFP_KERNEL); - if (!bus->msgbuf) { - ret = -ENOMEM; - kfree(bus); - goto fail; - } - - /* hook it all together. */ - pcie_bus_dev->devinfo = devinfo; - pcie_bus_dev->bus = bus; - bus->dev = &pdev->dev; - bus->bus_priv.pcie = pcie_bus_dev; - bus->ops = &brcmf_pcie_bus_ops; - bus->proto_type = BRCMF_PROTO_MSGBUF; - bus->chip = devinfo->coreid; - bus->wowl_supported = pci_pme_capable(pdev, PCI_D3hot); - dev_set_drvdata(&pdev->dev, bus); - - ret = brcmf_pcie_get_fwnames(devinfo); - if (ret) - goto fail_bus; - - ret = brcmf_fw_get_firmwares_pcie(bus->dev, BRCMF_FW_REQUEST_NVRAM | - BRCMF_FW_REQ_NV_OPTIONAL, - devinfo->fw_name, devinfo->nvram_name, - brcmf_pcie_setup, domain_nr, bus_nr); - if (ret == 0) - return 0; -fail_bus: - kfree(bus->msgbuf); - kfree(bus); -fail: - brcmf_err("failed %x:%x\n", pdev->vendor, pdev->device); - brcmf_pcie_release_resource(devinfo); - if (devinfo->ci) - brcmf_chip_detach(devinfo->ci); - kfree(pcie_bus_dev); - kfree(devinfo); - return ret; -} - - -static void -brcmf_pcie_remove(struct pci_dev *pdev) -{ - struct brcmf_pciedev_info *devinfo; - struct brcmf_bus *bus; - - brcmf_dbg(PCIE, "Enter\n"); - - bus = dev_get_drvdata(&pdev->dev); - if (bus == NULL) - return; - - devinfo = bus->bus_priv.pcie->devinfo; - - devinfo->state = BRCMFMAC_PCIE_STATE_DOWN; - if (devinfo->ci) - brcmf_pcie_intr_disable(devinfo); - - brcmf_detach(&pdev->dev); - - kfree(bus->bus_priv.pcie); - kfree(bus->msgbuf->flowrings); - kfree(bus->msgbuf); - kfree(bus); - - brcmf_pcie_release_irq(devinfo); - brcmf_pcie_release_scratchbuffers(devinfo); - brcmf_pcie_release_ringbuffers(devinfo); - brcmf_pcie_reset_device(devinfo); - brcmf_pcie_release_resource(devinfo); - - if (devinfo->ci) - brcmf_chip_detach(devinfo->ci); - - kfree(devinfo); - dev_set_drvdata(&pdev->dev, NULL); -} - - -#ifdef CONFIG_PM - - -static int brcmf_pcie_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct brcmf_pciedev_info *devinfo; - struct brcmf_bus *bus; - int err; - - brcmf_dbg(PCIE, "Enter, state=%d, pdev=%p\n", state.event, pdev); - - bus = dev_get_drvdata(&pdev->dev); - devinfo = bus->bus_priv.pcie->devinfo; - - brcmf_bus_change_state(bus, BRCMF_BUS_DOWN); - - devinfo->mbdata_completed = false; - brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D3_INFORM); - - wait_event_timeout(devinfo->mbdata_resp_wait, - devinfo->mbdata_completed, - msecs_to_jiffies(BRCMF_PCIE_MBDATA_TIMEOUT)); - if (!devinfo->mbdata_completed) { - brcmf_err("Timeout on response for entering D3 substate\n"); - return -EIO; - } - brcmf_pcie_send_mb_data(devinfo, BRCMF_H2D_HOST_D0_INFORM_IN_USE); - - err = pci_save_state(pdev); - if (err) - brcmf_err("pci_save_state failed, err=%d\n", err); - if ((err) || (!devinfo->wowl_enabled)) { - brcmf_chip_detach(devinfo->ci); - devinfo->ci = NULL; - brcmf_pcie_remove(pdev); - return 0; - } - - return pci_prepare_to_sleep(pdev); -} - -static int brcmf_pcie_resume(struct pci_dev *pdev) -{ - struct brcmf_pciedev_info *devinfo; - struct brcmf_bus *bus; - int err; - - bus = dev_get_drvdata(&pdev->dev); - brcmf_dbg(PCIE, "Enter, pdev=%p, bus=%p\n", pdev, bus); - - err = pci_set_power_state(pdev, PCI_D0); - if (err) { - brcmf_err("pci_set_power_state failed, err=%d\n", err); - goto cleanup; - } - pci_restore_state(pdev); - pci_enable_wake(pdev, PCI_D3hot, false); - pci_enable_wake(pdev, PCI_D3cold, false); - - /* Check if device is still up and running, if so we are ready */ - if (bus) { - devinfo = bus->bus_priv.pcie->devinfo; - if (brcmf_pcie_read_reg32(devinfo, - BRCMF_PCIE_PCIE2REG_INTMASK) != 0) { - if (brcmf_pcie_send_mb_data(devinfo, - BRCMF_H2D_HOST_D0_INFORM)) - goto cleanup; - brcmf_dbg(PCIE, "Hot resume, continue....\n"); - brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2); - brcmf_bus_change_state(bus, BRCMF_BUS_UP); - brcmf_pcie_intr_enable(devinfo); - return 0; - } - } - -cleanup: - if (bus) { - devinfo = bus->bus_priv.pcie->devinfo; - brcmf_chip_detach(devinfo->ci); - devinfo->ci = NULL; - brcmf_pcie_remove(pdev); - } - err = brcmf_pcie_probe(pdev, NULL); - if (err) - brcmf_err("probe after resume failed, err=%d\n", err); - - return err; -} - - -#endif /* CONFIG_PM */ - - -#define BRCMF_PCIE_DEVICE(dev_id) { BRCM_PCIE_VENDOR_ID_BROADCOM, dev_id,\ - PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_OTHER << 8, 0xffff00, 0 } - -static struct pci_device_id brcmf_pcie_devid_table[] = { - BRCMF_PCIE_DEVICE(BRCM_PCIE_4350_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4356_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43567_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43570_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4358_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_43602_RAW_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4365_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_2G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4366_5G_DEVICE_ID), - BRCMF_PCIE_DEVICE(BRCM_PCIE_4371_DEVICE_ID), - { /* end: all zeroes */ } -}; - - -MODULE_DEVICE_TABLE(pci, brcmf_pcie_devid_table); - - -static struct pci_driver brcmf_pciedrvr = { - .node = {}, - .name = KBUILD_MODNAME, - .id_table = brcmf_pcie_devid_table, - .probe = brcmf_pcie_probe, - .remove = brcmf_pcie_remove, -#ifdef CONFIG_PM - .suspend = brcmf_pcie_suspend, - .resume = brcmf_pcie_resume -#endif /* CONFIG_PM */ -}; - - -void brcmf_pcie_register(void) -{ - int err; - - brcmf_dbg(PCIE, "Enter\n"); - err = pci_register_driver(&brcmf_pciedrvr); - if (err) - brcmf_err("PCIE driver registration failed, err=%d\n", err); -} - - -void brcmf_pcie_exit(void) -{ - brcmf_dbg(PCIE, "Enter\n"); - pci_unregister_driver(&brcmf_pciedrvr); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.h b/drivers/net/wireless/brcm80211/brcmfmac/pcie.h deleted file mode 100644 index 6edaaf8ef5ce..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.h +++ /dev/null @@ -1,29 +0,0 @@ -/* Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_PCIE_H -#define BRCMFMAC_PCIE_H - - -struct brcmf_pciedev { - struct brcmf_bus *bus; - struct brcmf_pciedev_info *devinfo; -}; - - -void brcmf_pcie_exit(void); -void brcmf_pcie_register(void); - - -#endif /* BRCMFMAC_PCIE_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/proto.c b/drivers/net/wireless/brcm80211/brcmfmac/proto.c deleted file mode 100644 index 26b68c367f57..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/proto.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - - #include <linux/types.h> -#include <linux/slab.h> -#include <linux/netdevice.h> - -#include <brcmu_wifi.h> -#include "core.h" -#include "bus.h" -#include "debug.h" -#include "proto.h" -#include "bcdc.h" -#include "msgbuf.h" - - -int brcmf_proto_attach(struct brcmf_pub *drvr) -{ - struct brcmf_proto *proto; - - brcmf_dbg(TRACE, "Enter\n"); - - proto = kzalloc(sizeof(*proto), GFP_ATOMIC); - if (!proto) - goto fail; - - drvr->proto = proto; - - if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) { - if (brcmf_proto_bcdc_attach(drvr)) - goto fail; - } else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) { - if (brcmf_proto_msgbuf_attach(drvr)) - goto fail; - } else { - brcmf_err("Unsupported proto type %d\n", - drvr->bus_if->proto_type); - goto fail; - } - if ((proto->txdata == NULL) || (proto->hdrpull == NULL) || - (proto->query_dcmd == NULL) || (proto->set_dcmd == NULL) || - (proto->configure_addr_mode == NULL) || - (proto->delete_peer == NULL) || (proto->add_tdls_peer == NULL)) { - brcmf_err("Not all proto handlers have been installed\n"); - goto fail; - } - return 0; - -fail: - kfree(proto); - drvr->proto = NULL; - return -ENOMEM; -} - -void brcmf_proto_detach(struct brcmf_pub *drvr) -{ - brcmf_dbg(TRACE, "Enter\n"); - - if (drvr->proto) { - if (drvr->bus_if->proto_type == BRCMF_PROTO_BCDC) - brcmf_proto_bcdc_detach(drvr); - else if (drvr->bus_if->proto_type == BRCMF_PROTO_MSGBUF) - brcmf_proto_msgbuf_detach(drvr); - kfree(drvr->proto); - drvr->proto = NULL; - } -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/proto.h b/drivers/net/wireless/brcm80211/brcmfmac/proto.h deleted file mode 100644 index d55119d36755..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/proto.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_PROTO_H -#define BRCMFMAC_PROTO_H - - -enum proto_addr_mode { - ADDR_INDIRECT = 0, - ADDR_DIRECT -}; - - -struct brcmf_proto { - int (*hdrpull)(struct brcmf_pub *drvr, bool do_fws, - struct sk_buff *skb, struct brcmf_if **ifp); - int (*query_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, - void *buf, uint len); - int (*set_dcmd)(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, - uint len); - int (*txdata)(struct brcmf_pub *drvr, int ifidx, u8 offset, - struct sk_buff *skb); - void (*configure_addr_mode)(struct brcmf_pub *drvr, int ifidx, - enum proto_addr_mode addr_mode); - void (*delete_peer)(struct brcmf_pub *drvr, int ifidx, - u8 peer[ETH_ALEN]); - void (*add_tdls_peer)(struct brcmf_pub *drvr, int ifidx, - u8 peer[ETH_ALEN]); - void *pd; -}; - - -int brcmf_proto_attach(struct brcmf_pub *drvr); -void brcmf_proto_detach(struct brcmf_pub *drvr); - -static inline int brcmf_proto_hdrpull(struct brcmf_pub *drvr, bool do_fws, - struct sk_buff *skb, - struct brcmf_if **ifp) -{ - struct brcmf_if *tmp = NULL; - - /* assure protocol is always called with - * non-null initialized pointer. - */ - if (ifp) - *ifp = NULL; - else - ifp = &tmp; - return drvr->proto->hdrpull(drvr, do_fws, skb, ifp); -} -static inline int brcmf_proto_query_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len) -{ - return drvr->proto->query_dcmd(drvr, ifidx, cmd, buf, len); -} -static inline int brcmf_proto_set_dcmd(struct brcmf_pub *drvr, int ifidx, - uint cmd, void *buf, uint len) -{ - return drvr->proto->set_dcmd(drvr, ifidx, cmd, buf, len); -} -static inline int brcmf_proto_txdata(struct brcmf_pub *drvr, int ifidx, - u8 offset, struct sk_buff *skb) -{ - return drvr->proto->txdata(drvr, ifidx, offset, skb); -} -static inline void -brcmf_proto_configure_addr_mode(struct brcmf_pub *drvr, int ifidx, - enum proto_addr_mode addr_mode) -{ - drvr->proto->configure_addr_mode(drvr, ifidx, addr_mode); -} -static inline void -brcmf_proto_delete_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) -{ - drvr->proto->delete_peer(drvr, ifidx, peer); -} -static inline void -brcmf_proto_add_tdls_peer(struct brcmf_pub *drvr, int ifidx, u8 peer[ETH_ALEN]) -{ - drvr->proto->add_tdls_peer(drvr, ifidx, peer); -} - - -#endif /* BRCMFMAC_PROTO_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c deleted file mode 100644 index 7e74ac3ad815..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c +++ /dev/null @@ -1,4376 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/types.h> -#include <linux/atomic.h> -#include <linux/kernel.h> -#include <linux/kthread.h> -#include <linux/printk.h> -#include <linux/pci_ids.h> -#include <linux/netdevice.h> -#include <linux/interrupt.h> -#include <linux/sched.h> -#include <linux/mmc/sdio.h> -#include <linux/mmc/sdio_ids.h> -#include <linux/mmc/sdio_func.h> -#include <linux/mmc/card.h> -#include <linux/semaphore.h> -#include <linux/firmware.h> -#include <linux/module.h> -#include <linux/bcma/bcma.h> -#include <linux/debugfs.h> -#include <linux/vmalloc.h> -#include <linux/platform_data/brcmfmac-sdio.h> -#include <linux/moduleparam.h> -#include <asm/unaligned.h> -#include <defs.h> -#include <brcmu_wifi.h> -#include <brcmu_utils.h> -#include <brcm_hw_ids.h> -#include <soc.h> -#include "sdio.h" -#include "chip.h" -#include "firmware.h" - -#define DCMD_RESP_TIMEOUT 2000 /* In milli second */ -#define CTL_DONE_TIMEOUT 2000 /* In milli second */ - -#ifdef DEBUG - -#define BRCMF_TRAP_INFO_SIZE 80 - -#define CBUF_LEN (128) - -/* Device console log buffer state */ -#define CONSOLE_BUFFER_MAX 2024 - -struct rte_log_le { - __le32 buf; /* Can't be pointer on (64-bit) hosts */ - __le32 buf_size; - __le32 idx; - char *_buf_compat; /* Redundant pointer for backward compat. */ -}; - -struct rte_console { - /* Virtual UART - * When there is no UART (e.g. Quickturn), - * the host should write a complete - * input line directly into cbuf and then write - * the length into vcons_in. - * This may also be used when there is a real UART - * (at risk of conflicting with - * the real UART). vcons_out is currently unused. - */ - uint vcons_in; - uint vcons_out; - - /* Output (logging) buffer - * Console output is written to a ring buffer log_buf at index log_idx. - * The host may read the output when it sees log_idx advance. - * Output will be lost if the output wraps around faster than the host - * polls. - */ - struct rte_log_le log_le; - - /* Console input line buffer - * Characters are read one at a time into cbuf - * until <CR> is received, then - * the buffer is processed as a command line. - * Also used for virtual UART. - */ - uint cbuf_idx; - char cbuf[CBUF_LEN]; -}; - -#endif /* DEBUG */ -#include <chipcommon.h> - -#include "bus.h" -#include "debug.h" -#include "tracepoint.h" - -#define TXQLEN 2048 /* bulk tx queue length */ -#define TXHI (TXQLEN - 256) /* turn on flow control above TXHI */ -#define TXLOW (TXHI - 256) /* turn off flow control below TXLOW */ -#define PRIOMASK 7 - -#define TXRETRIES 2 /* # of retries for tx frames */ - -#define BRCMF_RXBOUND 50 /* Default for max rx frames in - one scheduling */ - -#define BRCMF_TXBOUND 20 /* Default for max tx frames in - one scheduling */ - -#define BRCMF_TXMINMAX 1 /* Max tx frames if rx still pending */ - -#define MEMBLOCK 2048 /* Block size used for downloading - of dongle image */ -#define MAX_DATA_BUF (32 * 1024) /* Must be large enough to hold - biggest possible glom */ - -#define BRCMF_FIRSTREAD (1 << 6) - -#define BRCMF_CONSOLE 10 /* watchdog interval to poll console */ - -/* SBSDIO_DEVICE_CTL */ - -/* 1: device will assert busy signal when receiving CMD53 */ -#define SBSDIO_DEVCTL_SETBUSY 0x01 -/* 1: assertion of sdio interrupt is synchronous to the sdio clock */ -#define SBSDIO_DEVCTL_SPI_INTR_SYNC 0x02 -/* 1: mask all interrupts to host except the chipActive (rev 8) */ -#define SBSDIO_DEVCTL_CA_INT_ONLY 0x04 -/* 1: isolate internal sdio signals, put external pads in tri-state; requires - * sdio bus power cycle to clear (rev 9) */ -#define SBSDIO_DEVCTL_PADS_ISO 0x08 -/* Force SD->SB reset mapping (rev 11) */ -#define SBSDIO_DEVCTL_SB_RST_CTL 0x30 -/* Determined by CoreControl bit */ -#define SBSDIO_DEVCTL_RST_CORECTL 0x00 -/* Force backplane reset */ -#define SBSDIO_DEVCTL_RST_BPRESET 0x10 -/* Force no backplane reset */ -#define SBSDIO_DEVCTL_RST_NOBPRESET 0x20 - -/* direct(mapped) cis space */ - -/* MAPPED common CIS address */ -#define SBSDIO_CIS_BASE_COMMON 0x1000 -/* maximum bytes in one CIS */ -#define SBSDIO_CIS_SIZE_LIMIT 0x200 -/* cis offset addr is < 17 bits */ -#define SBSDIO_CIS_OFT_ADDR_MASK 0x1FFFF - -/* manfid tuple length, include tuple, link bytes */ -#define SBSDIO_CIS_MANFID_TUPLE_LEN 6 - -#define CORE_BUS_REG(base, field) \ - (base + offsetof(struct sdpcmd_regs, field)) - -/* SDIO function 1 register CHIPCLKCSR */ -/* Force ALP request to backplane */ -#define SBSDIO_FORCE_ALP 0x01 -/* Force HT request to backplane */ -#define SBSDIO_FORCE_HT 0x02 -/* Force ILP request to backplane */ -#define SBSDIO_FORCE_ILP 0x04 -/* Make ALP ready (power up xtal) */ -#define SBSDIO_ALP_AVAIL_REQ 0x08 -/* Make HT ready (power up PLL) */ -#define SBSDIO_HT_AVAIL_REQ 0x10 -/* Squelch clock requests from HW */ -#define SBSDIO_FORCE_HW_CLKREQ_OFF 0x20 -/* Status: ALP is ready */ -#define SBSDIO_ALP_AVAIL 0x40 -/* Status: HT is ready */ -#define SBSDIO_HT_AVAIL 0x80 -#define SBSDIO_CSR_MASK 0x1F -#define SBSDIO_AVBITS (SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL) -#define SBSDIO_ALPAV(regval) ((regval) & SBSDIO_AVBITS) -#define SBSDIO_HTAV(regval) (((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS) -#define SBSDIO_ALPONLY(regval) (SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval)) -#define SBSDIO_CLKAV(regval, alponly) \ - (SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval))) - -/* intstatus */ -#define I_SMB_SW0 (1 << 0) /* To SB Mail S/W interrupt 0 */ -#define I_SMB_SW1 (1 << 1) /* To SB Mail S/W interrupt 1 */ -#define I_SMB_SW2 (1 << 2) /* To SB Mail S/W interrupt 2 */ -#define I_SMB_SW3 (1 << 3) /* To SB Mail S/W interrupt 3 */ -#define I_SMB_SW_MASK 0x0000000f /* To SB Mail S/W interrupts mask */ -#define I_SMB_SW_SHIFT 0 /* To SB Mail S/W interrupts shift */ -#define I_HMB_SW0 (1 << 4) /* To Host Mail S/W interrupt 0 */ -#define I_HMB_SW1 (1 << 5) /* To Host Mail S/W interrupt 1 */ -#define I_HMB_SW2 (1 << 6) /* To Host Mail S/W interrupt 2 */ -#define I_HMB_SW3 (1 << 7) /* To Host Mail S/W interrupt 3 */ -#define I_HMB_SW_MASK 0x000000f0 /* To Host Mail S/W interrupts mask */ -#define I_HMB_SW_SHIFT 4 /* To Host Mail S/W interrupts shift */ -#define I_WR_OOSYNC (1 << 8) /* Write Frame Out Of Sync */ -#define I_RD_OOSYNC (1 << 9) /* Read Frame Out Of Sync */ -#define I_PC (1 << 10) /* descriptor error */ -#define I_PD (1 << 11) /* data error */ -#define I_DE (1 << 12) /* Descriptor protocol Error */ -#define I_RU (1 << 13) /* Receive descriptor Underflow */ -#define I_RO (1 << 14) /* Receive fifo Overflow */ -#define I_XU (1 << 15) /* Transmit fifo Underflow */ -#define I_RI (1 << 16) /* Receive Interrupt */ -#define I_BUSPWR (1 << 17) /* SDIO Bus Power Change (rev 9) */ -#define I_XMTDATA_AVAIL (1 << 23) /* bits in fifo */ -#define I_XI (1 << 24) /* Transmit Interrupt */ -#define I_RF_TERM (1 << 25) /* Read Frame Terminate */ -#define I_WF_TERM (1 << 26) /* Write Frame Terminate */ -#define I_PCMCIA_XU (1 << 27) /* PCMCIA Transmit FIFO Underflow */ -#define I_SBINT (1 << 28) /* sbintstatus Interrupt */ -#define I_CHIPACTIVE (1 << 29) /* chip from doze to active state */ -#define I_SRESET (1 << 30) /* CCCR RES interrupt */ -#define I_IOE2 (1U << 31) /* CCCR IOE2 Bit Changed */ -#define I_ERRORS (I_PC | I_PD | I_DE | I_RU | I_RO | I_XU) -#define I_DMA (I_RI | I_XI | I_ERRORS) - -/* corecontrol */ -#define CC_CISRDY (1 << 0) /* CIS Ready */ -#define CC_BPRESEN (1 << 1) /* CCCR RES signal */ -#define CC_F2RDY (1 << 2) /* set CCCR IOR2 bit */ -#define CC_CLRPADSISO (1 << 3) /* clear SDIO pads isolation */ -#define CC_XMTDATAAVAIL_MODE (1 << 4) -#define CC_XMTDATAAVAIL_CTRL (1 << 5) - -/* SDA_FRAMECTRL */ -#define SFC_RF_TERM (1 << 0) /* Read Frame Terminate */ -#define SFC_WF_TERM (1 << 1) /* Write Frame Terminate */ -#define SFC_CRC4WOOS (1 << 2) /* CRC error for write out of sync */ -#define SFC_ABORTALL (1 << 3) /* Abort all in-progress frames */ - -/* - * Software allocation of To SB Mailbox resources - */ - -/* tosbmailbox bits corresponding to intstatus bits */ -#define SMB_NAK (1 << 0) /* Frame NAK */ -#define SMB_INT_ACK (1 << 1) /* Host Interrupt ACK */ -#define SMB_USE_OOB (1 << 2) /* Use OOB Wakeup */ -#define SMB_DEV_INT (1 << 3) /* Miscellaneous Interrupt */ - -/* tosbmailboxdata */ -#define SMB_DATA_VERSION_SHIFT 16 /* host protocol version */ - -/* - * Software allocation of To Host Mailbox resources - */ - -/* intstatus bits */ -#define I_HMB_FC_STATE I_HMB_SW0 /* Flow Control State */ -#define I_HMB_FC_CHANGE I_HMB_SW1 /* Flow Control State Changed */ -#define I_HMB_FRAME_IND I_HMB_SW2 /* Frame Indication */ -#define I_HMB_HOST_INT I_HMB_SW3 /* Miscellaneous Interrupt */ - -/* tohostmailboxdata */ -#define HMB_DATA_NAKHANDLED 1 /* retransmit NAK'd frame */ -#define HMB_DATA_DEVREADY 2 /* talk to host after enable */ -#define HMB_DATA_FC 4 /* per prio flowcontrol update flag */ -#define HMB_DATA_FWREADY 8 /* fw ready for protocol activity */ - -#define HMB_DATA_FCDATA_MASK 0xff000000 -#define HMB_DATA_FCDATA_SHIFT 24 - -#define HMB_DATA_VERSION_MASK 0x00ff0000 -#define HMB_DATA_VERSION_SHIFT 16 - -/* - * Software-defined protocol header - */ - -/* Current protocol version */ -#define SDPCM_PROT_VERSION 4 - -/* - * Shared structure between dongle and the host. - * The structure contains pointers to trap or assert information. - */ -#define SDPCM_SHARED_VERSION 0x0003 -#define SDPCM_SHARED_VERSION_MASK 0x00FF -#define SDPCM_SHARED_ASSERT_BUILT 0x0100 -#define SDPCM_SHARED_ASSERT 0x0200 -#define SDPCM_SHARED_TRAP 0x0400 - -/* Space for header read, limit for data packets */ -#define MAX_HDR_READ (1 << 6) -#define MAX_RX_DATASZ 2048 - -/* Bump up limit on waiting for HT to account for first startup; - * if the image is doing a CRC calculation before programming the PMU - * for HT availability, it could take a couple hundred ms more, so - * max out at a 1 second (1000000us). - */ -#undef PMU_MAX_TRANSITION_DLY -#define PMU_MAX_TRANSITION_DLY 1000000 - -/* Value for ChipClockCSR during initial setup */ -#define BRCMF_INIT_CLKCTL1 (SBSDIO_FORCE_HW_CLKREQ_OFF | \ - SBSDIO_ALP_AVAIL_REQ) - -/* Flags for SDH calls */ -#define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED) - -#define BRCMF_IDLE_ACTIVE 0 /* Do not request any SD clock change - * when idle - */ -#define BRCMF_IDLE_INTERVAL 1 - -#define KSO_WAIT_US 50 -#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US) - -/* - * Conversion of 802.1D priority to precedence level - */ -static uint prio2prec(u32 prio) -{ - return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ? - (prio^2) : prio; -} - -#ifdef DEBUG -/* Device console log buffer state */ -struct brcmf_console { - uint count; /* Poll interval msec counter */ - uint log_addr; /* Log struct address (fixed) */ - struct rte_log_le log_le; /* Log struct (host copy) */ - uint bufsize; /* Size of log buffer */ - u8 *buf; /* Log buffer (host copy) */ - uint last; /* Last buffer read index */ -}; - -struct brcmf_trap_info { - __le32 type; - __le32 epc; - __le32 cpsr; - __le32 spsr; - __le32 r0; /* a1 */ - __le32 r1; /* a2 */ - __le32 r2; /* a3 */ - __le32 r3; /* a4 */ - __le32 r4; /* v1 */ - __le32 r5; /* v2 */ - __le32 r6; /* v3 */ - __le32 r7; /* v4 */ - __le32 r8; /* v5 */ - __le32 r9; /* sb/v6 */ - __le32 r10; /* sl/v7 */ - __le32 r11; /* fp/v8 */ - __le32 r12; /* ip */ - __le32 r13; /* sp */ - __le32 r14; /* lr */ - __le32 pc; /* r15 */ -}; -#endif /* DEBUG */ - -struct sdpcm_shared { - u32 flags; - u32 trap_addr; - u32 assert_exp_addr; - u32 assert_file_addr; - u32 assert_line; - u32 console_addr; /* Address of struct rte_console */ - u32 msgtrace_addr; - u8 tag[32]; - u32 brpt_addr; -}; - -struct sdpcm_shared_le { - __le32 flags; - __le32 trap_addr; - __le32 assert_exp_addr; - __le32 assert_file_addr; - __le32 assert_line; - __le32 console_addr; /* Address of struct rte_console */ - __le32 msgtrace_addr; - u8 tag[32]; - __le32 brpt_addr; -}; - -/* dongle SDIO bus specific header info */ -struct brcmf_sdio_hdrinfo { - u8 seq_num; - u8 channel; - u16 len; - u16 len_left; - u16 len_nxtfrm; - u8 dat_offset; - bool lastfrm; - u16 tail_pad; -}; - -/* - * hold counter variables - */ -struct brcmf_sdio_count { - uint intrcount; /* Count of device interrupt callbacks */ - uint lastintrs; /* Count as of last watchdog timer */ - uint pollcnt; /* Count of active polls */ - uint regfails; /* Count of R_REG failures */ - uint tx_sderrs; /* Count of tx attempts with sd errors */ - uint fcqueued; /* Tx packets that got queued */ - uint rxrtx; /* Count of rtx requests (NAK to dongle) */ - uint rx_toolong; /* Receive frames too long to receive */ - uint rxc_errors; /* SDIO errors when reading control frames */ - uint rx_hdrfail; /* SDIO errors on header reads */ - uint rx_badhdr; /* Bad received headers (roosync?) */ - uint rx_badseq; /* Mismatched rx sequence number */ - uint fc_rcvd; /* Number of flow-control events received */ - uint fc_xoff; /* Number which turned on flow-control */ - uint fc_xon; /* Number which turned off flow-control */ - uint rxglomfail; /* Failed deglom attempts */ - uint rxglomframes; /* Number of glom frames (superframes) */ - uint rxglompkts; /* Number of packets from glom frames */ - uint f2rxhdrs; /* Number of header reads */ - uint f2rxdata; /* Number of frame data reads */ - uint f2txdata; /* Number of f2 frame writes */ - uint f1regdata; /* Number of f1 register accesses */ - uint tickcnt; /* Number of watchdog been schedule */ - ulong tx_ctlerrs; /* Err of sending ctrl frames */ - ulong tx_ctlpkts; /* Ctrl frames sent to dongle */ - ulong rx_ctlerrs; /* Err of processing rx ctrl frames */ - ulong rx_ctlpkts; /* Ctrl frames processed from dongle */ - ulong rx_readahead_cnt; /* packets where header read-ahead was used */ -}; - -/* misc chip info needed by some of the routines */ -/* Private data for SDIO bus interaction */ -struct brcmf_sdio { - struct brcmf_sdio_dev *sdiodev; /* sdio device handler */ - struct brcmf_chip *ci; /* Chip info struct */ - - u32 hostintmask; /* Copy of Host Interrupt Mask */ - atomic_t intstatus; /* Intstatus bits (events) pending */ - atomic_t fcstate; /* State of dongle flow-control */ - - uint blocksize; /* Block size of SDIO transfers */ - uint roundup; /* Max roundup limit */ - - struct pktq txq; /* Queue length used for flow-control */ - u8 flowcontrol; /* per prio flow control bitmask */ - u8 tx_seq; /* Transmit sequence number (next) */ - u8 tx_max; /* Maximum transmit sequence allowed */ - - u8 *hdrbuf; /* buffer for handling rx frame */ - u8 *rxhdr; /* Header of current rx frame (in hdrbuf) */ - u8 rx_seq; /* Receive sequence number (expected) */ - struct brcmf_sdio_hdrinfo cur_read; - /* info of current read frame */ - bool rxskip; /* Skip receive (awaiting NAK ACK) */ - bool rxpending; /* Data frame pending in dongle */ - - uint rxbound; /* Rx frames to read before resched */ - uint txbound; /* Tx frames to send before resched */ - uint txminmax; - - struct sk_buff *glomd; /* Packet containing glomming descriptor */ - struct sk_buff_head glom; /* Packet list for glommed superframe */ - uint glomerr; /* Glom packet read errors */ - - u8 *rxbuf; /* Buffer for receiving control packets */ - uint rxblen; /* Allocated length of rxbuf */ - u8 *rxctl; /* Aligned pointer into rxbuf */ - u8 *rxctl_orig; /* pointer for freeing rxctl */ - uint rxlen; /* Length of valid data in buffer */ - spinlock_t rxctl_lock; /* protection lock for ctrl frame resources */ - - u8 sdpcm_ver; /* Bus protocol reported by dongle */ - - bool intr; /* Use interrupts */ - bool poll; /* Use polling */ - atomic_t ipend; /* Device interrupt is pending */ - uint spurious; /* Count of spurious interrupts */ - uint pollrate; /* Ticks between device polls */ - uint polltick; /* Tick counter */ - -#ifdef DEBUG - uint console_interval; - struct brcmf_console console; /* Console output polling support */ - uint console_addr; /* Console address from shared struct */ -#endif /* DEBUG */ - - uint clkstate; /* State of sd and backplane clock(s) */ - s32 idletime; /* Control for activity timeout */ - s32 idlecount; /* Activity timeout counter */ - s32 idleclock; /* How to set bus driver when idle */ - bool rxflow_mode; /* Rx flow control mode */ - bool rxflow; /* Is rx flow control on */ - bool alp_only; /* Don't use HT clock (ALP only) */ - - u8 *ctrl_frame_buf; - u16 ctrl_frame_len; - bool ctrl_frame_stat; - int ctrl_frame_err; - - spinlock_t txq_lock; /* protect bus->txq */ - wait_queue_head_t ctrl_wait; - wait_queue_head_t dcmd_resp_wait; - - struct timer_list timer; - struct completion watchdog_wait; - struct task_struct *watchdog_tsk; - bool wd_timer_valid; - uint save_ms; - - struct workqueue_struct *brcmf_wq; - struct work_struct datawork; - bool dpc_triggered; - bool dpc_running; - - bool txoff; /* Transmit flow-controlled */ - struct brcmf_sdio_count sdcnt; - bool sr_enabled; /* SaveRestore enabled */ - bool sleeping; - - u8 tx_hdrlen; /* sdio bus header length for tx packet */ - bool txglom; /* host tx glomming enable flag */ - u16 head_align; /* buffer pointer alignment */ - u16 sgentry_align; /* scatter-gather buffer alignment */ -}; - -/* clkstate */ -#define CLK_NONE 0 -#define CLK_SDONLY 1 -#define CLK_PENDING 2 -#define CLK_AVAIL 3 - -#ifdef DEBUG -static int qcount[NUMPRIO]; -#endif /* DEBUG */ - -#define DEFAULT_SDIO_DRIVE_STRENGTH 6 /* in milliamps */ - -#define RETRYCHAN(chan) ((chan) == SDPCM_EVENT_CHANNEL) - -/* Retry count for register access failures */ -static const uint retry_limit = 2; - -/* Limit on rounding up frames */ -static const uint max_roundup = 512; - -#define ALIGNMENT 4 - -enum brcmf_sdio_frmtype { - BRCMF_SDIO_FT_NORMAL, - BRCMF_SDIO_FT_SUPER, - BRCMF_SDIO_FT_SUB, -}; - -#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu)) - -/* SDIO Pad drive strength to select value mappings */ -struct sdiod_drive_str { - u8 strength; /* Pad Drive Strength in mA */ - u8 sel; /* Chip-specific select value */ -}; - -/* SDIO Drive Strength to sel value table for PMU Rev 11 (1.8V) */ -static const struct sdiod_drive_str sdiod_drvstr_tab1_1v8[] = { - {32, 0x6}, - {26, 0x7}, - {22, 0x4}, - {16, 0x5}, - {12, 0x2}, - {8, 0x3}, - {4, 0x0}, - {0, 0x1} -}; - -/* SDIO Drive Strength to sel value table for PMU Rev 13 (1.8v) */ -static const struct sdiod_drive_str sdiod_drive_strength_tab5_1v8[] = { - {6, 0x7}, - {5, 0x6}, - {4, 0x5}, - {3, 0x4}, - {2, 0x2}, - {1, 0x1}, - {0, 0x0} -}; - -/* SDIO Drive Strength to sel value table for PMU Rev 17 (1.8v) */ -static const struct sdiod_drive_str sdiod_drvstr_tab6_1v8[] = { - {3, 0x3}, - {2, 0x2}, - {1, 0x1}, - {0, 0x0} }; - -/* SDIO Drive Strength to sel value table for 43143 PMU Rev 17 (3.3V) */ -static const struct sdiod_drive_str sdiod_drvstr_tab2_3v3[] = { - {16, 0x7}, - {12, 0x5}, - {8, 0x3}, - {4, 0x1} -}; - -#define BCM43143_FIRMWARE_NAME "brcm/brcmfmac43143-sdio.bin" -#define BCM43143_NVRAM_NAME "brcm/brcmfmac43143-sdio.txt" -#define BCM43241B0_FIRMWARE_NAME "brcm/brcmfmac43241b0-sdio.bin" -#define BCM43241B0_NVRAM_NAME "brcm/brcmfmac43241b0-sdio.txt" -#define BCM43241B4_FIRMWARE_NAME "brcm/brcmfmac43241b4-sdio.bin" -#define BCM43241B4_NVRAM_NAME "brcm/brcmfmac43241b4-sdio.txt" -#define BCM43241B5_FIRMWARE_NAME "brcm/brcmfmac43241b5-sdio.bin" -#define BCM43241B5_NVRAM_NAME "brcm/brcmfmac43241b5-sdio.txt" -#define BCM4329_FIRMWARE_NAME "brcm/brcmfmac4329-sdio.bin" -#define BCM4329_NVRAM_NAME "brcm/brcmfmac4329-sdio.txt" -#define BCM4330_FIRMWARE_NAME "brcm/brcmfmac4330-sdio.bin" -#define BCM4330_NVRAM_NAME "brcm/brcmfmac4330-sdio.txt" -#define BCM4334_FIRMWARE_NAME "brcm/brcmfmac4334-sdio.bin" -#define BCM4334_NVRAM_NAME "brcm/brcmfmac4334-sdio.txt" -#define BCM43340_FIRMWARE_NAME "brcm/brcmfmac43340-sdio.bin" -#define BCM43340_NVRAM_NAME "brcm/brcmfmac43340-sdio.txt" -#define BCM4335_FIRMWARE_NAME "brcm/brcmfmac4335-sdio.bin" -#define BCM4335_NVRAM_NAME "brcm/brcmfmac4335-sdio.txt" -#define BCM43362_FIRMWARE_NAME "brcm/brcmfmac43362-sdio.bin" -#define BCM43362_NVRAM_NAME "brcm/brcmfmac43362-sdio.txt" -#define BCM4339_FIRMWARE_NAME "brcm/brcmfmac4339-sdio.bin" -#define BCM4339_NVRAM_NAME "brcm/brcmfmac4339-sdio.txt" -#define BCM43430_FIRMWARE_NAME "brcm/brcmfmac43430-sdio.bin" -#define BCM43430_NVRAM_NAME "brcm/brcmfmac43430-sdio.txt" -#define BCM43455_FIRMWARE_NAME "brcm/brcmfmac43455-sdio.bin" -#define BCM43455_NVRAM_NAME "brcm/brcmfmac43455-sdio.txt" -#define BCM4354_FIRMWARE_NAME "brcm/brcmfmac4354-sdio.bin" -#define BCM4354_NVRAM_NAME "brcm/brcmfmac4354-sdio.txt" - -MODULE_FIRMWARE(BCM43143_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43143_NVRAM_NAME); -MODULE_FIRMWARE(BCM43241B0_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43241B0_NVRAM_NAME); -MODULE_FIRMWARE(BCM43241B4_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43241B4_NVRAM_NAME); -MODULE_FIRMWARE(BCM43241B5_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43241B5_NVRAM_NAME); -MODULE_FIRMWARE(BCM4329_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4329_NVRAM_NAME); -MODULE_FIRMWARE(BCM4330_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4330_NVRAM_NAME); -MODULE_FIRMWARE(BCM4334_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4334_NVRAM_NAME); -MODULE_FIRMWARE(BCM43340_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43340_NVRAM_NAME); -MODULE_FIRMWARE(BCM4335_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4335_NVRAM_NAME); -MODULE_FIRMWARE(BCM43362_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43362_NVRAM_NAME); -MODULE_FIRMWARE(BCM4339_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4339_NVRAM_NAME); -MODULE_FIRMWARE(BCM43430_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43430_NVRAM_NAME); -MODULE_FIRMWARE(BCM43455_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM43455_NVRAM_NAME); -MODULE_FIRMWARE(BCM4354_FIRMWARE_NAME); -MODULE_FIRMWARE(BCM4354_NVRAM_NAME); - -struct brcmf_firmware_names { - u32 chipid; - u32 revmsk; - const char *bin; - const char *nv; -}; - -enum brcmf_firmware_type { - BRCMF_FIRMWARE_BIN, - BRCMF_FIRMWARE_NVRAM -}; - -#define BRCMF_FIRMWARE_NVRAM(name) \ - name ## _FIRMWARE_NAME, name ## _NVRAM_NAME - -static const struct brcmf_firmware_names brcmf_fwname_data[] = { - { BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM43143) }, - { BRCM_CC_43241_CHIP_ID, 0x0000001F, BRCMF_FIRMWARE_NVRAM(BCM43241B0) }, - { BRCM_CC_43241_CHIP_ID, 0x00000020, BRCMF_FIRMWARE_NVRAM(BCM43241B4) }, - { BRCM_CC_43241_CHIP_ID, 0xFFFFFFC0, BRCMF_FIRMWARE_NVRAM(BCM43241B5) }, - { BRCM_CC_4329_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4329) }, - { BRCM_CC_4330_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4330) }, - { BRCM_CC_4334_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4334) }, - { BRCM_CC_43340_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM43340) }, - { BRCM_CC_4335_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4335) }, - { BRCM_CC_43362_CHIP_ID, 0xFFFFFFFE, BRCMF_FIRMWARE_NVRAM(BCM43362) }, - { BRCM_CC_4339_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4339) }, - { BRCM_CC_43430_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM43430) }, - { BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, BRCMF_FIRMWARE_NVRAM(BCM43455) }, - { BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, BRCMF_FIRMWARE_NVRAM(BCM4354) } -}; - -static int brcmf_sdio_get_fwnames(struct brcmf_chip *ci, - struct brcmf_sdio_dev *sdiodev) -{ - int i; - char end; - - for (i = 0; i < ARRAY_SIZE(brcmf_fwname_data); i++) { - if (brcmf_fwname_data[i].chipid == ci->chip && - brcmf_fwname_data[i].revmsk & BIT(ci->chiprev)) - break; - } - - if (i == ARRAY_SIZE(brcmf_fwname_data)) { - brcmf_err("Unknown chipid %d [%d]\n", ci->chip, ci->chiprev); - return -ENODEV; - } - - /* check if firmware path is provided by module parameter */ - if (brcmf_firmware_path[0] != '\0') { - strlcpy(sdiodev->fw_name, brcmf_firmware_path, - sizeof(sdiodev->fw_name)); - strlcpy(sdiodev->nvram_name, brcmf_firmware_path, - sizeof(sdiodev->nvram_name)); - - end = brcmf_firmware_path[strlen(brcmf_firmware_path) - 1]; - if (end != '/') { - strlcat(sdiodev->fw_name, "/", - sizeof(sdiodev->fw_name)); - strlcat(sdiodev->nvram_name, "/", - sizeof(sdiodev->nvram_name)); - } - } - strlcat(sdiodev->fw_name, brcmf_fwname_data[i].bin, - sizeof(sdiodev->fw_name)); - strlcat(sdiodev->nvram_name, brcmf_fwname_data[i].nv, - sizeof(sdiodev->nvram_name)); - - return 0; -} - -static void pkt_align(struct sk_buff *p, int len, int align) -{ - uint datalign; - datalign = (unsigned long)(p->data); - datalign = roundup(datalign, (align)) - datalign; - if (datalign) - skb_pull(p, datalign); - __skb_trim(p, len); -} - -/* To check if there's window offered */ -static bool data_ok(struct brcmf_sdio *bus) -{ - return (u8)(bus->tx_max - bus->tx_seq) != 0 && - ((u8)(bus->tx_max - bus->tx_seq) & 0x80) == 0; -} - -/* - * Reads a register in the SDIO hardware block. This block occupies a series of - * adresses on the 32 bit backplane bus. - */ -static int r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset) -{ - struct brcmf_core *core; - int ret; - - core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); - *regvar = brcmf_sdiod_regrl(bus->sdiodev, core->base + offset, &ret); - - return ret; -} - -static int w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset) -{ - struct brcmf_core *core; - int ret; - - core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); - brcmf_sdiod_regwl(bus->sdiodev, core->base + reg_offset, regval, &ret); - - return ret; -} - -static int -brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on) -{ - u8 wr_val = 0, rd_val, cmp_val, bmask; - int err = 0; - int try_cnt = 0; - - brcmf_dbg(TRACE, "Enter: on=%d\n", on); - - wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); - /* 1st KSO write goes to AOS wake up core if device is asleep */ - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, - wr_val, &err); - - if (on) { - /* device WAKEUP through KSO: - * write bit 0 & read back until - * both bits 0 (kso bit) & 1 (dev on status) are set - */ - cmp_val = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | - SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK; - bmask = cmp_val; - usleep_range(2000, 3000); - } else { - /* Put device to sleep, turn off KSO */ - cmp_val = 0; - /* only check for bit0, bit1(dev on status) may not - * get cleared right away - */ - bmask = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK; - } - - do { - /* reliable KSO bit set/clr: - * the sdiod sleep write access is synced to PMU 32khz clk - * just one write attempt may fail, - * read it back until it matches written value - */ - rd_val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, - &err); - if (((rd_val & bmask) == cmp_val) && !err) - break; - - udelay(KSO_WAIT_US); - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, - wr_val, &err); - } while (try_cnt++ < MAX_KSO_ATTEMPTS); - - if (try_cnt > 2) - brcmf_dbg(SDIO, "try_cnt=%d rd_val=0x%x err=%d\n", try_cnt, - rd_val, err); - - if (try_cnt > MAX_KSO_ATTEMPTS) - brcmf_err("max tries: rd_val=0x%x err=%d\n", rd_val, err); - - return err; -} - -#define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) - -/* Turn backplane clock on or off */ -static int brcmf_sdio_htclk(struct brcmf_sdio *bus, bool on, bool pendok) -{ - int err; - u8 clkctl, clkreq, devctl; - unsigned long timeout; - - brcmf_dbg(SDIO, "Enter\n"); - - clkctl = 0; - - if (bus->sr_enabled) { - bus->clkstate = (on ? CLK_AVAIL : CLK_SDONLY); - return 0; - } - - if (on) { - /* Request HT Avail */ - clkreq = - bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ; - - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - clkreq, &err); - if (err) { - brcmf_err("HT Avail request error: %d\n", err); - return -EBADE; - } - - /* Check current status */ - clkctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (err) { - brcmf_err("HT Avail read error: %d\n", err); - return -EBADE; - } - - /* Go to pending and await interrupt if appropriate */ - if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) { - /* Allow only clock-available interrupt */ - devctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - if (err) { - brcmf_err("Devctl error setting CA: %d\n", - err); - return -EBADE; - } - - devctl |= SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - brcmf_dbg(SDIO, "CLKCTL: set PENDING\n"); - bus->clkstate = CLK_PENDING; - - return 0; - } else if (bus->clkstate == CLK_PENDING) { - /* Cancel CA-only interrupt filter */ - devctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - } - - /* Otherwise, wait here (polling) for HT Avail */ - timeout = jiffies + - msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000); - while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - clkctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, - &err); - if (time_after(jiffies, timeout)) - break; - else - usleep_range(5000, 10000); - } - if (err) { - brcmf_err("HT Avail request error: %d\n", err); - return -EBADE; - } - if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { - brcmf_err("HT Avail timeout (%d): clkctl 0x%02x\n", - PMU_MAX_TRANSITION_DLY, clkctl); - return -EBADE; - } - - /* Mark clock available */ - bus->clkstate = CLK_AVAIL; - brcmf_dbg(SDIO, "CLKCTL: turned ON\n"); - -#if defined(DEBUG) - if (!bus->alp_only) { - if (SBSDIO_ALPONLY(clkctl)) - brcmf_err("HT Clock should be on\n"); - } -#endif /* defined (DEBUG) */ - - } else { - clkreq = 0; - - if (bus->clkstate == CLK_PENDING) { - /* Cancel CA-only interrupt filter */ - devctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - } - - bus->clkstate = CLK_SDONLY; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - clkreq, &err); - brcmf_dbg(SDIO, "CLKCTL: turned OFF\n"); - if (err) { - brcmf_err("Failed access turning clock off: %d\n", - err); - return -EBADE; - } - } - return 0; -} - -/* Change idle/active SD state */ -static int brcmf_sdio_sdclk(struct brcmf_sdio *bus, bool on) -{ - brcmf_dbg(SDIO, "Enter\n"); - - if (on) - bus->clkstate = CLK_SDONLY; - else - bus->clkstate = CLK_NONE; - - return 0; -} - -/* Transition SD and backplane clock readiness */ -static int brcmf_sdio_clkctl(struct brcmf_sdio *bus, uint target, bool pendok) -{ -#ifdef DEBUG - uint oldstate = bus->clkstate; -#endif /* DEBUG */ - - brcmf_dbg(SDIO, "Enter\n"); - - /* Early exit if we're already there */ - if (bus->clkstate == target) - return 0; - - switch (target) { - case CLK_AVAIL: - /* Make sure SD clock is available */ - if (bus->clkstate == CLK_NONE) - brcmf_sdio_sdclk(bus, true); - /* Now request HT Avail on the backplane */ - brcmf_sdio_htclk(bus, true, pendok); - break; - - case CLK_SDONLY: - /* Remove HT request, or bring up SD clock */ - if (bus->clkstate == CLK_NONE) - brcmf_sdio_sdclk(bus, true); - else if (bus->clkstate == CLK_AVAIL) - brcmf_sdio_htclk(bus, false, false); - else - brcmf_err("request for %d -> %d\n", - bus->clkstate, target); - break; - - case CLK_NONE: - /* Make sure to remove HT request */ - if (bus->clkstate == CLK_AVAIL) - brcmf_sdio_htclk(bus, false, false); - /* Now remove the SD clock */ - brcmf_sdio_sdclk(bus, false); - break; - } -#ifdef DEBUG - brcmf_dbg(SDIO, "%d -> %d\n", oldstate, bus->clkstate); -#endif /* DEBUG */ - - return 0; -} - -static int -brcmf_sdio_bus_sleep(struct brcmf_sdio *bus, bool sleep, bool pendok) -{ - int err = 0; - u8 clkcsr; - - brcmf_dbg(SDIO, "Enter: request %s currently %s\n", - (sleep ? "SLEEP" : "WAKE"), - (bus->sleeping ? "SLEEP" : "WAKE")); - - /* If SR is enabled control bus state with KSO */ - if (bus->sr_enabled) { - /* Done if we're already in the requested state */ - if (sleep == bus->sleeping) - goto end; - - /* Going to sleep */ - if (sleep) { - clkcsr = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, - &err); - if ((clkcsr & SBSDIO_CSR_MASK) == 0) { - brcmf_dbg(SDIO, "no clock, set ALP\n"); - brcmf_sdiod_regwb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, - SBSDIO_ALP_AVAIL_REQ, &err); - } - err = brcmf_sdio_kso_control(bus, false); - } else { - err = brcmf_sdio_kso_control(bus, true); - } - if (err) { - brcmf_err("error while changing bus sleep state %d\n", - err); - goto done; - } - } - -end: - /* control clocks */ - if (sleep) { - if (!bus->sr_enabled) - brcmf_sdio_clkctl(bus, CLK_NONE, pendok); - } else { - brcmf_sdio_clkctl(bus, CLK_AVAIL, pendok); - brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); - } - bus->sleeping = sleep; - brcmf_dbg(SDIO, "new state %s\n", - (sleep ? "SLEEP" : "WAKE")); -done: - brcmf_dbg(SDIO, "Exit: err=%d\n", err); - return err; - -} - -#ifdef DEBUG -static inline bool brcmf_sdio_valid_shared_address(u32 addr) -{ - return !(addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)); -} - -static int brcmf_sdio_readshared(struct brcmf_sdio *bus, - struct sdpcm_shared *sh) -{ - u32 addr = 0; - int rv; - u32 shaddr = 0; - struct sdpcm_shared_le sh_le; - __le32 addr_le; - - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_bus_sleep(bus, false, false); - - /* - * Read last word in socram to determine - * address of sdpcm_shared structure - */ - shaddr = bus->ci->rambase + bus->ci->ramsize - 4; - if (!bus->ci->rambase && brcmf_chip_sr_capable(bus->ci)) - shaddr -= bus->ci->srsize; - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, shaddr, - (u8 *)&addr_le, 4); - if (rv < 0) - goto fail; - - /* - * Check if addr is valid. - * NVRAM length at the end of memory should have been overwritten. - */ - addr = le32_to_cpu(addr_le); - if (!brcmf_sdio_valid_shared_address(addr)) { - brcmf_err("invalid sdpcm_shared address 0x%08X\n", addr); - rv = -EINVAL; - goto fail; - } - - brcmf_dbg(INFO, "sdpcm_shared address 0x%08X\n", addr); - - /* Read hndrte_shared structure */ - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&sh_le, - sizeof(struct sdpcm_shared_le)); - if (rv < 0) - goto fail; - - sdio_release_host(bus->sdiodev->func[1]); - - /* Endianness */ - sh->flags = le32_to_cpu(sh_le.flags); - sh->trap_addr = le32_to_cpu(sh_le.trap_addr); - sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr); - sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr); - sh->assert_line = le32_to_cpu(sh_le.assert_line); - sh->console_addr = le32_to_cpu(sh_le.console_addr); - sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr); - - if ((sh->flags & SDPCM_SHARED_VERSION_MASK) > SDPCM_SHARED_VERSION) { - brcmf_err("sdpcm shared version unsupported: dhd %d dongle %d\n", - SDPCM_SHARED_VERSION, - sh->flags & SDPCM_SHARED_VERSION_MASK); - return -EPROTO; - } - return 0; - -fail: - brcmf_err("unable to obtain sdpcm_shared info: rv=%d (addr=0x%x)\n", - rv, addr); - sdio_release_host(bus->sdiodev->func[1]); - return rv; -} - -static void brcmf_sdio_get_console_addr(struct brcmf_sdio *bus) -{ - struct sdpcm_shared sh; - - if (brcmf_sdio_readshared(bus, &sh) == 0) - bus->console_addr = sh.console_addr; -} -#else -static void brcmf_sdio_get_console_addr(struct brcmf_sdio *bus) -{ -} -#endif /* DEBUG */ - -static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus) -{ - u32 intstatus = 0; - u32 hmb_data; - u8 fcbits; - int ret; - - brcmf_dbg(SDIO, "Enter\n"); - - /* Read mailbox data and ack that we did so */ - ret = r_sdreg32(bus, &hmb_data, - offsetof(struct sdpcmd_regs, tohostmailboxdata)); - - if (ret == 0) - w_sdreg32(bus, SMB_INT_ACK, - offsetof(struct sdpcmd_regs, tosbmailbox)); - bus->sdcnt.f1regdata += 2; - - /* Dongle recomposed rx frames, accept them again */ - if (hmb_data & HMB_DATA_NAKHANDLED) { - brcmf_dbg(SDIO, "Dongle reports NAK handled, expect rtx of %d\n", - bus->rx_seq); - if (!bus->rxskip) - brcmf_err("unexpected NAKHANDLED!\n"); - - bus->rxskip = false; - intstatus |= I_HMB_FRAME_IND; - } - - /* - * DEVREADY does not occur with gSPI. - */ - if (hmb_data & (HMB_DATA_DEVREADY | HMB_DATA_FWREADY)) { - bus->sdpcm_ver = - (hmb_data & HMB_DATA_VERSION_MASK) >> - HMB_DATA_VERSION_SHIFT; - if (bus->sdpcm_ver != SDPCM_PROT_VERSION) - brcmf_err("Version mismatch, dongle reports %d, " - "expecting %d\n", - bus->sdpcm_ver, SDPCM_PROT_VERSION); - else - brcmf_dbg(SDIO, "Dongle ready, protocol version %d\n", - bus->sdpcm_ver); - - /* - * Retrieve console state address now that firmware should have - * updated it. - */ - brcmf_sdio_get_console_addr(bus); - } - - /* - * Flow Control has been moved into the RX headers and this out of band - * method isn't used any more. - * remaining backward compatible with older dongles. - */ - if (hmb_data & HMB_DATA_FC) { - fcbits = (hmb_data & HMB_DATA_FCDATA_MASK) >> - HMB_DATA_FCDATA_SHIFT; - - if (fcbits & ~bus->flowcontrol) - bus->sdcnt.fc_xoff++; - - if (bus->flowcontrol & ~fcbits) - bus->sdcnt.fc_xon++; - - bus->sdcnt.fc_rcvd++; - bus->flowcontrol = fcbits; - } - - /* Shouldn't be any others */ - if (hmb_data & ~(HMB_DATA_DEVREADY | - HMB_DATA_NAKHANDLED | - HMB_DATA_FC | - HMB_DATA_FWREADY | - HMB_DATA_FCDATA_MASK | HMB_DATA_VERSION_MASK)) - brcmf_err("Unknown mailbox data content: 0x%02x\n", - hmb_data); - - return intstatus; -} - -static void brcmf_sdio_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx) -{ - uint retries = 0; - u16 lastrbc; - u8 hi, lo; - int err; - - brcmf_err("%sterminate frame%s\n", - abort ? "abort command, " : "", - rtx ? ", send NAK" : ""); - - if (abort) - brcmf_sdiod_abort(bus->sdiodev, SDIO_FUNC_2); - - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL, - SFC_RF_TERM, &err); - bus->sdcnt.f1regdata++; - - /* Wait until the packet has been flushed (device/FIFO stable) */ - for (lastrbc = retries = 0xffff; retries > 0; retries--) { - hi = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_RFRAMEBCHI, &err); - lo = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_RFRAMEBCLO, &err); - bus->sdcnt.f1regdata += 2; - - if ((hi == 0) && (lo == 0)) - break; - - if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) { - brcmf_err("count growing: last 0x%04x now 0x%04x\n", - lastrbc, (hi << 8) + lo); - } - lastrbc = (hi << 8) + lo; - } - - if (!retries) - brcmf_err("count never zeroed: last 0x%04x\n", lastrbc); - else - brcmf_dbg(SDIO, "flush took %d iterations\n", 0xffff - retries); - - if (rtx) { - bus->sdcnt.rxrtx++; - err = w_sdreg32(bus, SMB_NAK, - offsetof(struct sdpcmd_regs, tosbmailbox)); - - bus->sdcnt.f1regdata++; - if (err == 0) - bus->rxskip = true; - } - - /* Clear partial in any case */ - bus->cur_read.len = 0; -} - -static void brcmf_sdio_txfail(struct brcmf_sdio *bus) -{ - struct brcmf_sdio_dev *sdiodev = bus->sdiodev; - u8 i, hi, lo; - - /* On failure, abort the command and terminate the frame */ - brcmf_err("sdio error, abort command and terminate frame\n"); - bus->sdcnt.tx_sderrs++; - - brcmf_sdiod_abort(sdiodev, SDIO_FUNC_2); - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM, NULL); - bus->sdcnt.f1regdata++; - - for (i = 0; i < 3; i++) { - hi = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_WFRAMEBCHI, NULL); - lo = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_WFRAMEBCLO, NULL); - bus->sdcnt.f1regdata += 2; - if ((hi == 0) && (lo == 0)) - break; - } -} - -/* return total length of buffer chain */ -static uint brcmf_sdio_glom_len(struct brcmf_sdio *bus) -{ - struct sk_buff *p; - uint total; - - total = 0; - skb_queue_walk(&bus->glom, p) - total += p->len; - return total; -} - -static void brcmf_sdio_free_glom(struct brcmf_sdio *bus) -{ - struct sk_buff *cur, *next; - - skb_queue_walk_safe(&bus->glom, cur, next) { - skb_unlink(cur, &bus->glom); - brcmu_pkt_buf_free_skb(cur); - } -} - -/** - * brcmfmac sdio bus specific header - * This is the lowest layer header wrapped on the packets transmitted between - * host and WiFi dongle which contains information needed for SDIO core and - * firmware - * - * It consists of 3 parts: hardware header, hardware extension header and - * software header - * hardware header (frame tag) - 4 bytes - * Byte 0~1: Frame length - * Byte 2~3: Checksum, bit-wise inverse of frame length - * hardware extension header - 8 bytes - * Tx glom mode only, N/A for Rx or normal Tx - * Byte 0~1: Packet length excluding hw frame tag - * Byte 2: Reserved - * Byte 3: Frame flags, bit 0: last frame indication - * Byte 4~5: Reserved - * Byte 6~7: Tail padding length - * software header - 8 bytes - * Byte 0: Rx/Tx sequence number - * Byte 1: 4 MSB Channel number, 4 LSB arbitrary flag - * Byte 2: Length of next data frame, reserved for Tx - * Byte 3: Data offset - * Byte 4: Flow control bits, reserved for Tx - * Byte 5: Maximum Sequence number allowed by firmware for Tx, N/A for Tx packet - * Byte 6~7: Reserved - */ -#define SDPCM_HWHDR_LEN 4 -#define SDPCM_HWEXT_LEN 8 -#define SDPCM_SWHDR_LEN 8 -#define SDPCM_HDRLEN (SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN) -/* software header */ -#define SDPCM_SEQ_MASK 0x000000ff -#define SDPCM_SEQ_WRAP 256 -#define SDPCM_CHANNEL_MASK 0x00000f00 -#define SDPCM_CHANNEL_SHIFT 8 -#define SDPCM_CONTROL_CHANNEL 0 /* Control */ -#define SDPCM_EVENT_CHANNEL 1 /* Asyc Event Indication */ -#define SDPCM_DATA_CHANNEL 2 /* Data Xmit/Recv */ -#define SDPCM_GLOM_CHANNEL 3 /* Coalesced packets */ -#define SDPCM_TEST_CHANNEL 15 /* Test/debug packets */ -#define SDPCM_GLOMDESC(p) (((u8 *)p)[1] & 0x80) -#define SDPCM_NEXTLEN_MASK 0x00ff0000 -#define SDPCM_NEXTLEN_SHIFT 16 -#define SDPCM_DOFFSET_MASK 0xff000000 -#define SDPCM_DOFFSET_SHIFT 24 -#define SDPCM_FCMASK_MASK 0x000000ff -#define SDPCM_WINDOW_MASK 0x0000ff00 -#define SDPCM_WINDOW_SHIFT 8 - -static inline u8 brcmf_sdio_getdatoffset(u8 *swheader) -{ - u32 hdrvalue; - hdrvalue = *(u32 *)swheader; - return (u8)((hdrvalue & SDPCM_DOFFSET_MASK) >> SDPCM_DOFFSET_SHIFT); -} - -static int brcmf_sdio_hdparse(struct brcmf_sdio *bus, u8 *header, - struct brcmf_sdio_hdrinfo *rd, - enum brcmf_sdio_frmtype type) -{ - u16 len, checksum; - u8 rx_seq, fc, tx_seq_max; - u32 swheader; - - trace_brcmf_sdpcm_hdr(SDPCM_RX, header); - - /* hw header */ - len = get_unaligned_le16(header); - checksum = get_unaligned_le16(header + sizeof(u16)); - /* All zero means no more to read */ - if (!(len | checksum)) { - bus->rxpending = false; - return -ENODATA; - } - if ((u16)(~(len ^ checksum))) { - brcmf_err("HW header checksum error\n"); - bus->sdcnt.rx_badhdr++; - brcmf_sdio_rxfail(bus, false, false); - return -EIO; - } - if (len < SDPCM_HDRLEN) { - brcmf_err("HW header length error\n"); - return -EPROTO; - } - if (type == BRCMF_SDIO_FT_SUPER && - (roundup(len, bus->blocksize) != rd->len)) { - brcmf_err("HW superframe header length error\n"); - return -EPROTO; - } - if (type == BRCMF_SDIO_FT_SUB && len > rd->len) { - brcmf_err("HW subframe header length error\n"); - return -EPROTO; - } - rd->len = len; - - /* software header */ - header += SDPCM_HWHDR_LEN; - swheader = le32_to_cpu(*(__le32 *)header); - if (type == BRCMF_SDIO_FT_SUPER && SDPCM_GLOMDESC(header)) { - brcmf_err("Glom descriptor found in superframe head\n"); - rd->len = 0; - return -EINVAL; - } - rx_seq = (u8)(swheader & SDPCM_SEQ_MASK); - rd->channel = (swheader & SDPCM_CHANNEL_MASK) >> SDPCM_CHANNEL_SHIFT; - if (len > MAX_RX_DATASZ && rd->channel != SDPCM_CONTROL_CHANNEL && - type != BRCMF_SDIO_FT_SUPER) { - brcmf_err("HW header length too long\n"); - bus->sdcnt.rx_toolong++; - brcmf_sdio_rxfail(bus, false, false); - rd->len = 0; - return -EPROTO; - } - if (type == BRCMF_SDIO_FT_SUPER && rd->channel != SDPCM_GLOM_CHANNEL) { - brcmf_err("Wrong channel for superframe\n"); - rd->len = 0; - return -EINVAL; - } - if (type == BRCMF_SDIO_FT_SUB && rd->channel != SDPCM_DATA_CHANNEL && - rd->channel != SDPCM_EVENT_CHANNEL) { - brcmf_err("Wrong channel for subframe\n"); - rd->len = 0; - return -EINVAL; - } - rd->dat_offset = brcmf_sdio_getdatoffset(header); - if (rd->dat_offset < SDPCM_HDRLEN || rd->dat_offset > rd->len) { - brcmf_err("seq %d: bad data offset\n", rx_seq); - bus->sdcnt.rx_badhdr++; - brcmf_sdio_rxfail(bus, false, false); - rd->len = 0; - return -ENXIO; - } - if (rd->seq_num != rx_seq) { - brcmf_err("seq %d: sequence number error, expect %d\n", - rx_seq, rd->seq_num); - bus->sdcnt.rx_badseq++; - rd->seq_num = rx_seq; - } - /* no need to check the reset for subframe */ - if (type == BRCMF_SDIO_FT_SUB) - return 0; - rd->len_nxtfrm = (swheader & SDPCM_NEXTLEN_MASK) >> SDPCM_NEXTLEN_SHIFT; - if (rd->len_nxtfrm << 4 > MAX_RX_DATASZ) { - /* only warm for NON glom packet */ - if (rd->channel != SDPCM_GLOM_CHANNEL) - brcmf_err("seq %d: next length error\n", rx_seq); - rd->len_nxtfrm = 0; - } - swheader = le32_to_cpu(*(__le32 *)(header + 4)); - fc = swheader & SDPCM_FCMASK_MASK; - if (bus->flowcontrol != fc) { - if (~bus->flowcontrol & fc) - bus->sdcnt.fc_xoff++; - if (bus->flowcontrol & ~fc) - bus->sdcnt.fc_xon++; - bus->sdcnt.fc_rcvd++; - bus->flowcontrol = fc; - } - tx_seq_max = (swheader & SDPCM_WINDOW_MASK) >> SDPCM_WINDOW_SHIFT; - if ((u8)(tx_seq_max - bus->tx_seq) > 0x40) { - brcmf_err("seq %d: max tx seq number error\n", rx_seq); - tx_seq_max = bus->tx_seq + 2; - } - bus->tx_max = tx_seq_max; - - return 0; -} - -static inline void brcmf_sdio_update_hwhdr(u8 *header, u16 frm_length) -{ - *(__le16 *)header = cpu_to_le16(frm_length); - *(((__le16 *)header) + 1) = cpu_to_le16(~frm_length); -} - -static void brcmf_sdio_hdpack(struct brcmf_sdio *bus, u8 *header, - struct brcmf_sdio_hdrinfo *hd_info) -{ - u32 hdrval; - u8 hdr_offset; - - brcmf_sdio_update_hwhdr(header, hd_info->len); - hdr_offset = SDPCM_HWHDR_LEN; - - if (bus->txglom) { - hdrval = (hd_info->len - hdr_offset) | (hd_info->lastfrm << 24); - *((__le32 *)(header + hdr_offset)) = cpu_to_le32(hdrval); - hdrval = (u16)hd_info->tail_pad << 16; - *(((__le32 *)(header + hdr_offset)) + 1) = cpu_to_le32(hdrval); - hdr_offset += SDPCM_HWEXT_LEN; - } - - hdrval = hd_info->seq_num; - hdrval |= (hd_info->channel << SDPCM_CHANNEL_SHIFT) & - SDPCM_CHANNEL_MASK; - hdrval |= (hd_info->dat_offset << SDPCM_DOFFSET_SHIFT) & - SDPCM_DOFFSET_MASK; - *((__le32 *)(header + hdr_offset)) = cpu_to_le32(hdrval); - *(((__le32 *)(header + hdr_offset)) + 1) = 0; - trace_brcmf_sdpcm_hdr(SDPCM_TX + !!(bus->txglom), header); -} - -static u8 brcmf_sdio_rxglom(struct brcmf_sdio *bus, u8 rxseq) -{ - u16 dlen, totlen; - u8 *dptr, num = 0; - u16 sublen; - struct sk_buff *pfirst, *pnext; - - int errcode; - u8 doff, sfdoff; - - struct brcmf_sdio_hdrinfo rd_new; - - /* If packets, issue read(s) and send up packet chain */ - /* Return sequence numbers consumed? */ - - brcmf_dbg(SDIO, "start: glomd %p glom %p\n", - bus->glomd, skb_peek(&bus->glom)); - - /* If there's a descriptor, generate the packet chain */ - if (bus->glomd) { - pfirst = pnext = NULL; - dlen = (u16) (bus->glomd->len); - dptr = bus->glomd->data; - if (!dlen || (dlen & 1)) { - brcmf_err("bad glomd len(%d), ignore descriptor\n", - dlen); - dlen = 0; - } - - for (totlen = num = 0; dlen; num++) { - /* Get (and move past) next length */ - sublen = get_unaligned_le16(dptr); - dlen -= sizeof(u16); - dptr += sizeof(u16); - if ((sublen < SDPCM_HDRLEN) || - ((num == 0) && (sublen < (2 * SDPCM_HDRLEN)))) { - brcmf_err("descriptor len %d bad: %d\n", - num, sublen); - pnext = NULL; - break; - } - if (sublen % bus->sgentry_align) { - brcmf_err("sublen %d not multiple of %d\n", - sublen, bus->sgentry_align); - } - totlen += sublen; - - /* For last frame, adjust read len so total - is a block multiple */ - if (!dlen) { - sublen += - (roundup(totlen, bus->blocksize) - totlen); - totlen = roundup(totlen, bus->blocksize); - } - - /* Allocate/chain packet for next subframe */ - pnext = brcmu_pkt_buf_get_skb(sublen + bus->sgentry_align); - if (pnext == NULL) { - brcmf_err("bcm_pkt_buf_get_skb failed, num %d len %d\n", - num, sublen); - break; - } - skb_queue_tail(&bus->glom, pnext); - - /* Adhere to start alignment requirements */ - pkt_align(pnext, sublen, bus->sgentry_align); - } - - /* If all allocations succeeded, save packet chain - in bus structure */ - if (pnext) { - brcmf_dbg(GLOM, "allocated %d-byte packet chain for %d subframes\n", - totlen, num); - if (BRCMF_GLOM_ON() && bus->cur_read.len && - totlen != bus->cur_read.len) { - brcmf_dbg(GLOM, "glomdesc mismatch: nextlen %d glomdesc %d rxseq %d\n", - bus->cur_read.len, totlen, rxseq); - } - pfirst = pnext = NULL; - } else { - brcmf_sdio_free_glom(bus); - num = 0; - } - - /* Done with descriptor packet */ - brcmu_pkt_buf_free_skb(bus->glomd); - bus->glomd = NULL; - bus->cur_read.len = 0; - } - - /* Ok -- either we just generated a packet chain, - or had one from before */ - if (!skb_queue_empty(&bus->glom)) { - if (BRCMF_GLOM_ON()) { - brcmf_dbg(GLOM, "try superframe read, packet chain:\n"); - skb_queue_walk(&bus->glom, pnext) { - brcmf_dbg(GLOM, " %p: %p len 0x%04x (%d)\n", - pnext, (u8 *) (pnext->data), - pnext->len, pnext->len); - } - } - - pfirst = skb_peek(&bus->glom); - dlen = (u16) brcmf_sdio_glom_len(bus); - - /* Do an SDIO read for the superframe. Configurable iovar to - * read directly into the chained packet, or allocate a large - * packet and and copy into the chain. - */ - sdio_claim_host(bus->sdiodev->func[1]); - errcode = brcmf_sdiod_recv_chain(bus->sdiodev, - &bus->glom, dlen); - sdio_release_host(bus->sdiodev->func[1]); - bus->sdcnt.f2rxdata++; - - /* On failure, kill the superframe, allow a couple retries */ - if (errcode < 0) { - brcmf_err("glom read of %d bytes failed: %d\n", - dlen, errcode); - - sdio_claim_host(bus->sdiodev->func[1]); - if (bus->glomerr++ < 3) { - brcmf_sdio_rxfail(bus, true, true); - } else { - bus->glomerr = 0; - brcmf_sdio_rxfail(bus, true, false); - bus->sdcnt.rxglomfail++; - brcmf_sdio_free_glom(bus); - } - sdio_release_host(bus->sdiodev->func[1]); - return 0; - } - - brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), - pfirst->data, min_t(int, pfirst->len, 48), - "SUPERFRAME:\n"); - - rd_new.seq_num = rxseq; - rd_new.len = dlen; - sdio_claim_host(bus->sdiodev->func[1]); - errcode = brcmf_sdio_hdparse(bus, pfirst->data, &rd_new, - BRCMF_SDIO_FT_SUPER); - sdio_release_host(bus->sdiodev->func[1]); - bus->cur_read.len = rd_new.len_nxtfrm << 4; - - /* Remove superframe header, remember offset */ - skb_pull(pfirst, rd_new.dat_offset); - sfdoff = rd_new.dat_offset; - num = 0; - - /* Validate all the subframe headers */ - skb_queue_walk(&bus->glom, pnext) { - /* leave when invalid subframe is found */ - if (errcode) - break; - - rd_new.len = pnext->len; - rd_new.seq_num = rxseq++; - sdio_claim_host(bus->sdiodev->func[1]); - errcode = brcmf_sdio_hdparse(bus, pnext->data, &rd_new, - BRCMF_SDIO_FT_SUB); - sdio_release_host(bus->sdiodev->func[1]); - brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), - pnext->data, 32, "subframe:\n"); - - num++; - } - - if (errcode) { - /* Terminate frame on error, request - a couple retries */ - sdio_claim_host(bus->sdiodev->func[1]); - if (bus->glomerr++ < 3) { - /* Restore superframe header space */ - skb_push(pfirst, sfdoff); - brcmf_sdio_rxfail(bus, true, true); - } else { - bus->glomerr = 0; - brcmf_sdio_rxfail(bus, true, false); - bus->sdcnt.rxglomfail++; - brcmf_sdio_free_glom(bus); - } - sdio_release_host(bus->sdiodev->func[1]); - bus->cur_read.len = 0; - return 0; - } - - /* Basic SD framing looks ok - process each packet (header) */ - - skb_queue_walk_safe(&bus->glom, pfirst, pnext) { - dptr = (u8 *) (pfirst->data); - sublen = get_unaligned_le16(dptr); - doff = brcmf_sdio_getdatoffset(&dptr[SDPCM_HWHDR_LEN]); - - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_DATA_ON(), - dptr, pfirst->len, - "Rx Subframe Data:\n"); - - __skb_trim(pfirst, sublen); - skb_pull(pfirst, doff); - - if (pfirst->len == 0) { - skb_unlink(pfirst, &bus->glom); - brcmu_pkt_buf_free_skb(pfirst); - continue; - } - - brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), - pfirst->data, - min_t(int, pfirst->len, 32), - "subframe %d to stack, %p (%p/%d) nxt/lnk %p/%p\n", - bus->glom.qlen, pfirst, pfirst->data, - pfirst->len, pfirst->next, - pfirst->prev); - skb_unlink(pfirst, &bus->glom); - brcmf_rx_frame(bus->sdiodev->dev, pfirst); - bus->sdcnt.rxglompkts++; - } - - bus->sdcnt.rxglomframes++; - } - return num; -} - -static int brcmf_sdio_dcmd_resp_wait(struct brcmf_sdio *bus, uint *condition, - bool *pending) -{ - DECLARE_WAITQUEUE(wait, current); - int timeout = msecs_to_jiffies(DCMD_RESP_TIMEOUT); - - /* Wait until control frame is available */ - add_wait_queue(&bus->dcmd_resp_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - while (!(*condition) && (!signal_pending(current) && timeout)) - timeout = schedule_timeout(timeout); - - if (signal_pending(current)) - *pending = true; - - set_current_state(TASK_RUNNING); - remove_wait_queue(&bus->dcmd_resp_wait, &wait); - - return timeout; -} - -static int brcmf_sdio_dcmd_resp_wake(struct brcmf_sdio *bus) -{ - if (waitqueue_active(&bus->dcmd_resp_wait)) - wake_up_interruptible(&bus->dcmd_resp_wait); - - return 0; -} -static void -brcmf_sdio_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff) -{ - uint rdlen, pad; - u8 *buf = NULL, *rbuf; - int sdret; - - brcmf_dbg(TRACE, "Enter\n"); - - if (bus->rxblen) - buf = vzalloc(bus->rxblen); - if (!buf) - goto done; - - rbuf = bus->rxbuf; - pad = ((unsigned long)rbuf % bus->head_align); - if (pad) - rbuf += (bus->head_align - pad); - - /* Copy the already-read portion over */ - memcpy(buf, hdr, BRCMF_FIRSTREAD); - if (len <= BRCMF_FIRSTREAD) - goto gotpkt; - - /* Raise rdlen to next SDIO block to avoid tail command */ - rdlen = len - BRCMF_FIRSTREAD; - if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { - pad = bus->blocksize - (rdlen % bus->blocksize); - if ((pad <= bus->roundup) && (pad < bus->blocksize) && - ((len + pad) < bus->sdiodev->bus_if->maxctl)) - rdlen += pad; - } else if (rdlen % bus->head_align) { - rdlen += bus->head_align - (rdlen % bus->head_align); - } - - /* Drop if the read is too big or it exceeds our maximum */ - if ((rdlen + BRCMF_FIRSTREAD) > bus->sdiodev->bus_if->maxctl) { - brcmf_err("%d-byte control read exceeds %d-byte buffer\n", - rdlen, bus->sdiodev->bus_if->maxctl); - brcmf_sdio_rxfail(bus, false, false); - goto done; - } - - if ((len - doff) > bus->sdiodev->bus_if->maxctl) { - brcmf_err("%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", - len, len - doff, bus->sdiodev->bus_if->maxctl); - bus->sdcnt.rx_toolong++; - brcmf_sdio_rxfail(bus, false, false); - goto done; - } - - /* Read remain of frame body */ - sdret = brcmf_sdiod_recv_buf(bus->sdiodev, rbuf, rdlen); - bus->sdcnt.f2rxdata++; - - /* Control frame failures need retransmission */ - if (sdret < 0) { - brcmf_err("read %d control bytes failed: %d\n", - rdlen, sdret); - bus->sdcnt.rxc_errors++; - brcmf_sdio_rxfail(bus, true, true); - goto done; - } else - memcpy(buf + BRCMF_FIRSTREAD, rbuf, rdlen); - -gotpkt: - - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_CTL_ON(), - buf, len, "RxCtrl:\n"); - - /* Point to valid data and indicate its length */ - spin_lock_bh(&bus->rxctl_lock); - if (bus->rxctl) { - brcmf_err("last control frame is being processed.\n"); - spin_unlock_bh(&bus->rxctl_lock); - vfree(buf); - goto done; - } - bus->rxctl = buf + doff; - bus->rxctl_orig = buf; - bus->rxlen = len - doff; - spin_unlock_bh(&bus->rxctl_lock); - -done: - /* Awake any waiters */ - brcmf_sdio_dcmd_resp_wake(bus); -} - -/* Pad read to blocksize for efficiency */ -static void brcmf_sdio_pad(struct brcmf_sdio *bus, u16 *pad, u16 *rdlen) -{ - if (bus->roundup && bus->blocksize && *rdlen > bus->blocksize) { - *pad = bus->blocksize - (*rdlen % bus->blocksize); - if (*pad <= bus->roundup && *pad < bus->blocksize && - *rdlen + *pad + BRCMF_FIRSTREAD < MAX_RX_DATASZ) - *rdlen += *pad; - } else if (*rdlen % bus->head_align) { - *rdlen += bus->head_align - (*rdlen % bus->head_align); - } -} - -static uint brcmf_sdio_readframes(struct brcmf_sdio *bus, uint maxframes) -{ - struct sk_buff *pkt; /* Packet for event or data frames */ - u16 pad; /* Number of pad bytes to read */ - uint rxleft = 0; /* Remaining number of frames allowed */ - int ret; /* Return code from calls */ - uint rxcount = 0; /* Total frames read */ - struct brcmf_sdio_hdrinfo *rd = &bus->cur_read, rd_new; - u8 head_read = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Not finished unless we encounter no more frames indication */ - bus->rxpending = true; - - for (rd->seq_num = bus->rx_seq, rxleft = maxframes; - !bus->rxskip && rxleft && bus->sdiodev->state == BRCMF_SDIOD_DATA; - rd->seq_num++, rxleft--) { - - /* Handle glomming separately */ - if (bus->glomd || !skb_queue_empty(&bus->glom)) { - u8 cnt; - brcmf_dbg(GLOM, "calling rxglom: glomd %p, glom %p\n", - bus->glomd, skb_peek(&bus->glom)); - cnt = brcmf_sdio_rxglom(bus, rd->seq_num); - brcmf_dbg(GLOM, "rxglom returned %d\n", cnt); - rd->seq_num += cnt - 1; - rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1; - continue; - } - - rd->len_left = rd->len; - /* read header first for unknow frame length */ - sdio_claim_host(bus->sdiodev->func[1]); - if (!rd->len) { - ret = brcmf_sdiod_recv_buf(bus->sdiodev, - bus->rxhdr, BRCMF_FIRSTREAD); - bus->sdcnt.f2rxhdrs++; - if (ret < 0) { - brcmf_err("RXHEADER FAILED: %d\n", - ret); - bus->sdcnt.rx_hdrfail++; - brcmf_sdio_rxfail(bus, true, true); - sdio_release_host(bus->sdiodev->func[1]); - continue; - } - - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() || BRCMF_HDRS_ON(), - bus->rxhdr, SDPCM_HDRLEN, - "RxHdr:\n"); - - if (brcmf_sdio_hdparse(bus, bus->rxhdr, rd, - BRCMF_SDIO_FT_NORMAL)) { - sdio_release_host(bus->sdiodev->func[1]); - if (!bus->rxpending) - break; - else - continue; - } - - if (rd->channel == SDPCM_CONTROL_CHANNEL) { - brcmf_sdio_read_control(bus, bus->rxhdr, - rd->len, - rd->dat_offset); - /* prepare the descriptor for the next read */ - rd->len = rd->len_nxtfrm << 4; - rd->len_nxtfrm = 0; - /* treat all packet as event if we don't know */ - rd->channel = SDPCM_EVENT_CHANNEL; - sdio_release_host(bus->sdiodev->func[1]); - continue; - } - rd->len_left = rd->len > BRCMF_FIRSTREAD ? - rd->len - BRCMF_FIRSTREAD : 0; - head_read = BRCMF_FIRSTREAD; - } - - brcmf_sdio_pad(bus, &pad, &rd->len_left); - - pkt = brcmu_pkt_buf_get_skb(rd->len_left + head_read + - bus->head_align); - if (!pkt) { - /* Give up on data, request rtx of events */ - brcmf_err("brcmu_pkt_buf_get_skb failed\n"); - brcmf_sdio_rxfail(bus, false, - RETRYCHAN(rd->channel)); - sdio_release_host(bus->sdiodev->func[1]); - continue; - } - skb_pull(pkt, head_read); - pkt_align(pkt, rd->len_left, bus->head_align); - - ret = brcmf_sdiod_recv_pkt(bus->sdiodev, pkt); - bus->sdcnt.f2rxdata++; - sdio_release_host(bus->sdiodev->func[1]); - - if (ret < 0) { - brcmf_err("read %d bytes from channel %d failed: %d\n", - rd->len, rd->channel, ret); - brcmu_pkt_buf_free_skb(pkt); - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_rxfail(bus, true, - RETRYCHAN(rd->channel)); - sdio_release_host(bus->sdiodev->func[1]); - continue; - } - - if (head_read) { - skb_push(pkt, head_read); - memcpy(pkt->data, bus->rxhdr, head_read); - head_read = 0; - } else { - memcpy(bus->rxhdr, pkt->data, SDPCM_HDRLEN); - rd_new.seq_num = rd->seq_num; - sdio_claim_host(bus->sdiodev->func[1]); - if (brcmf_sdio_hdparse(bus, bus->rxhdr, &rd_new, - BRCMF_SDIO_FT_NORMAL)) { - rd->len = 0; - brcmu_pkt_buf_free_skb(pkt); - } - bus->sdcnt.rx_readahead_cnt++; - if (rd->len != roundup(rd_new.len, 16)) { - brcmf_err("frame length mismatch:read %d, should be %d\n", - rd->len, - roundup(rd_new.len, 16) >> 4); - rd->len = 0; - brcmf_sdio_rxfail(bus, true, true); - sdio_release_host(bus->sdiodev->func[1]); - brcmu_pkt_buf_free_skb(pkt); - continue; - } - sdio_release_host(bus->sdiodev->func[1]); - rd->len_nxtfrm = rd_new.len_nxtfrm; - rd->channel = rd_new.channel; - rd->dat_offset = rd_new.dat_offset; - - brcmf_dbg_hex_dump(!(BRCMF_BYTES_ON() && - BRCMF_DATA_ON()) && - BRCMF_HDRS_ON(), - bus->rxhdr, SDPCM_HDRLEN, - "RxHdr:\n"); - - if (rd_new.channel == SDPCM_CONTROL_CHANNEL) { - brcmf_err("readahead on control packet %d?\n", - rd_new.seq_num); - /* Force retry w/normal header read */ - rd->len = 0; - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_rxfail(bus, false, true); - sdio_release_host(bus->sdiodev->func[1]); - brcmu_pkt_buf_free_skb(pkt); - continue; - } - } - - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_DATA_ON(), - pkt->data, rd->len, "Rx Data:\n"); - - /* Save superframe descriptor and allocate packet frame */ - if (rd->channel == SDPCM_GLOM_CHANNEL) { - if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_HWHDR_LEN])) { - brcmf_dbg(GLOM, "glom descriptor, %d bytes:\n", - rd->len); - brcmf_dbg_hex_dump(BRCMF_GLOM_ON(), - pkt->data, rd->len, - "Glom Data:\n"); - __skb_trim(pkt, rd->len); - skb_pull(pkt, SDPCM_HDRLEN); - bus->glomd = pkt; - } else { - brcmf_err("%s: glom superframe w/o " - "descriptor!\n", __func__); - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_rxfail(bus, false, false); - sdio_release_host(bus->sdiodev->func[1]); - } - /* prepare the descriptor for the next read */ - rd->len = rd->len_nxtfrm << 4; - rd->len_nxtfrm = 0; - /* treat all packet as event if we don't know */ - rd->channel = SDPCM_EVENT_CHANNEL; - continue; - } - - /* Fill in packet len and prio, deliver upward */ - __skb_trim(pkt, rd->len); - skb_pull(pkt, rd->dat_offset); - - /* prepare the descriptor for the next read */ - rd->len = rd->len_nxtfrm << 4; - rd->len_nxtfrm = 0; - /* treat all packet as event if we don't know */ - rd->channel = SDPCM_EVENT_CHANNEL; - - if (pkt->len == 0) { - brcmu_pkt_buf_free_skb(pkt); - continue; - } - - brcmf_rx_frame(bus->sdiodev->dev, pkt); - } - - rxcount = maxframes - rxleft; - /* Message if we hit the limit */ - if (!rxleft) - brcmf_dbg(DATA, "hit rx limit of %d frames\n", maxframes); - else - brcmf_dbg(DATA, "processed %d frames\n", rxcount); - /* Back off rxseq if awaiting rtx, update rx_seq */ - if (bus->rxskip) - rd->seq_num--; - bus->rx_seq = rd->seq_num; - - return rxcount; -} - -static void -brcmf_sdio_wait_event_wakeup(struct brcmf_sdio *bus) -{ - if (waitqueue_active(&bus->ctrl_wait)) - wake_up_interruptible(&bus->ctrl_wait); - return; -} - -static int brcmf_sdio_txpkt_hdalign(struct brcmf_sdio *bus, struct sk_buff *pkt) -{ - u16 head_pad; - u8 *dat_buf; - - dat_buf = (u8 *)(pkt->data); - - /* Check head padding */ - head_pad = ((unsigned long)dat_buf % bus->head_align); - if (head_pad) { - if (skb_headroom(pkt) < head_pad) { - bus->sdiodev->bus_if->tx_realloc++; - head_pad = 0; - if (skb_cow(pkt, head_pad)) - return -ENOMEM; - } - skb_push(pkt, head_pad); - dat_buf = (u8 *)(pkt->data); - memset(dat_buf, 0, head_pad + bus->tx_hdrlen); - } - return head_pad; -} - -/** - * struct brcmf_skbuff_cb reserves first two bytes in sk_buff::cb for - * bus layer usage. - */ -/* flag marking a dummy skb added for DMA alignment requirement */ -#define ALIGN_SKB_FLAG 0x8000 -/* bit mask of data length chopped from the previous packet */ -#define ALIGN_SKB_CHOP_LEN_MASK 0x7fff - -static int brcmf_sdio_txpkt_prep_sg(struct brcmf_sdio *bus, - struct sk_buff_head *pktq, - struct sk_buff *pkt, u16 total_len) -{ - struct brcmf_sdio_dev *sdiodev; - struct sk_buff *pkt_pad; - u16 tail_pad, tail_chop, chain_pad; - unsigned int blksize; - bool lastfrm; - int ntail, ret; - - sdiodev = bus->sdiodev; - blksize = sdiodev->func[SDIO_FUNC_2]->cur_blksize; - /* sg entry alignment should be a divisor of block size */ - WARN_ON(blksize % bus->sgentry_align); - - /* Check tail padding */ - lastfrm = skb_queue_is_last(pktq, pkt); - tail_pad = 0; - tail_chop = pkt->len % bus->sgentry_align; - if (tail_chop) - tail_pad = bus->sgentry_align - tail_chop; - chain_pad = (total_len + tail_pad) % blksize; - if (lastfrm && chain_pad) - tail_pad += blksize - chain_pad; - if (skb_tailroom(pkt) < tail_pad && pkt->len > blksize) { - pkt_pad = brcmu_pkt_buf_get_skb(tail_pad + tail_chop + - bus->head_align); - if (pkt_pad == NULL) - return -ENOMEM; - ret = brcmf_sdio_txpkt_hdalign(bus, pkt_pad); - if (unlikely(ret < 0)) { - kfree_skb(pkt_pad); - return ret; - } - memcpy(pkt_pad->data, - pkt->data + pkt->len - tail_chop, - tail_chop); - *(u16 *)(pkt_pad->cb) = ALIGN_SKB_FLAG + tail_chop; - skb_trim(pkt, pkt->len - tail_chop); - skb_trim(pkt_pad, tail_pad + tail_chop); - __skb_queue_after(pktq, pkt, pkt_pad); - } else { - ntail = pkt->data_len + tail_pad - - (pkt->end - pkt->tail); - if (skb_cloned(pkt) || ntail > 0) - if (pskb_expand_head(pkt, 0, ntail, GFP_ATOMIC)) - return -ENOMEM; - if (skb_linearize(pkt)) - return -ENOMEM; - __skb_put(pkt, tail_pad); - } - - return tail_pad; -} - -/** - * brcmf_sdio_txpkt_prep - packet preparation for transmit - * @bus: brcmf_sdio structure pointer - * @pktq: packet list pointer - * @chan: virtual channel to transmit the packet - * - * Processes to be applied to the packet - * - Align data buffer pointer - * - Align data buffer length - * - Prepare header - * Return: negative value if there is error - */ -static int -brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq, - uint chan) -{ - u16 head_pad, total_len; - struct sk_buff *pkt_next; - u8 txseq; - int ret; - struct brcmf_sdio_hdrinfo hd_info = {0}; - - txseq = bus->tx_seq; - total_len = 0; - skb_queue_walk(pktq, pkt_next) { - /* alignment packet inserted in previous - * loop cycle can be skipped as it is - * already properly aligned and does not - * need an sdpcm header. - */ - if (*(u16 *)(pkt_next->cb) & ALIGN_SKB_FLAG) - continue; - - /* align packet data pointer */ - ret = brcmf_sdio_txpkt_hdalign(bus, pkt_next); - if (ret < 0) - return ret; - head_pad = (u16)ret; - if (head_pad) - memset(pkt_next->data + bus->tx_hdrlen, 0, head_pad); - - total_len += pkt_next->len; - - hd_info.len = pkt_next->len; - hd_info.lastfrm = skb_queue_is_last(pktq, pkt_next); - if (bus->txglom && pktq->qlen > 1) { - ret = brcmf_sdio_txpkt_prep_sg(bus, pktq, - pkt_next, total_len); - if (ret < 0) - return ret; - hd_info.tail_pad = (u16)ret; - total_len += (u16)ret; - } - - hd_info.channel = chan; - hd_info.dat_offset = head_pad + bus->tx_hdrlen; - hd_info.seq_num = txseq++; - - /* Now fill the header */ - brcmf_sdio_hdpack(bus, pkt_next->data, &hd_info); - - if (BRCMF_BYTES_ON() && - ((BRCMF_CTL_ON() && chan == SDPCM_CONTROL_CHANNEL) || - (BRCMF_DATA_ON() && chan != SDPCM_CONTROL_CHANNEL))) - brcmf_dbg_hex_dump(true, pkt_next->data, hd_info.len, - "Tx Frame:\n"); - else if (BRCMF_HDRS_ON()) - brcmf_dbg_hex_dump(true, pkt_next->data, - head_pad + bus->tx_hdrlen, - "Tx Header:\n"); - } - /* Hardware length tag of the first packet should be total - * length of the chain (including padding) - */ - if (bus->txglom) - brcmf_sdio_update_hwhdr(pktq->next->data, total_len); - return 0; -} - -/** - * brcmf_sdio_txpkt_postp - packet post processing for transmit - * @bus: brcmf_sdio structure pointer - * @pktq: packet list pointer - * - * Processes to be applied to the packet - * - Remove head padding - * - Remove tail padding - */ -static void -brcmf_sdio_txpkt_postp(struct brcmf_sdio *bus, struct sk_buff_head *pktq) -{ - u8 *hdr; - u32 dat_offset; - u16 tail_pad; - u16 dummy_flags, chop_len; - struct sk_buff *pkt_next, *tmp, *pkt_prev; - - skb_queue_walk_safe(pktq, pkt_next, tmp) { - dummy_flags = *(u16 *)(pkt_next->cb); - if (dummy_flags & ALIGN_SKB_FLAG) { - chop_len = dummy_flags & ALIGN_SKB_CHOP_LEN_MASK; - if (chop_len) { - pkt_prev = pkt_next->prev; - skb_put(pkt_prev, chop_len); - } - __skb_unlink(pkt_next, pktq); - brcmu_pkt_buf_free_skb(pkt_next); - } else { - hdr = pkt_next->data + bus->tx_hdrlen - SDPCM_SWHDR_LEN; - dat_offset = le32_to_cpu(*(__le32 *)hdr); - dat_offset = (dat_offset & SDPCM_DOFFSET_MASK) >> - SDPCM_DOFFSET_SHIFT; - skb_pull(pkt_next, dat_offset); - if (bus->txglom) { - tail_pad = le16_to_cpu(*(__le16 *)(hdr - 2)); - skb_trim(pkt_next, pkt_next->len - tail_pad); - } - } - } -} - -/* Writes a HW/SW header into the packet and sends it. */ -/* Assumes: (a) header space already there, (b) caller holds lock */ -static int brcmf_sdio_txpkt(struct brcmf_sdio *bus, struct sk_buff_head *pktq, - uint chan) -{ - int ret; - struct sk_buff *pkt_next, *tmp; - - brcmf_dbg(TRACE, "Enter\n"); - - ret = brcmf_sdio_txpkt_prep(bus, pktq, chan); - if (ret) - goto done; - - sdio_claim_host(bus->sdiodev->func[1]); - ret = brcmf_sdiod_send_pkt(bus->sdiodev, pktq); - bus->sdcnt.f2txdata++; - - if (ret < 0) - brcmf_sdio_txfail(bus); - - sdio_release_host(bus->sdiodev->func[1]); - -done: - brcmf_sdio_txpkt_postp(bus, pktq); - if (ret == 0) - bus->tx_seq = (bus->tx_seq + pktq->qlen) % SDPCM_SEQ_WRAP; - skb_queue_walk_safe(pktq, pkt_next, tmp) { - __skb_unlink(pkt_next, pktq); - brcmf_txcomplete(bus->sdiodev->dev, pkt_next, ret == 0); - } - return ret; -} - -static uint brcmf_sdio_sendfromq(struct brcmf_sdio *bus, uint maxframes) -{ - struct sk_buff *pkt; - struct sk_buff_head pktq; - u32 intstatus = 0; - int ret = 0, prec_out, i; - uint cnt = 0; - u8 tx_prec_map, pkt_num; - - brcmf_dbg(TRACE, "Enter\n"); - - tx_prec_map = ~bus->flowcontrol; - - /* Send frames until the limit or some other event */ - for (cnt = 0; (cnt < maxframes) && data_ok(bus);) { - pkt_num = 1; - if (bus->txglom) - pkt_num = min_t(u8, bus->tx_max - bus->tx_seq, - bus->sdiodev->txglomsz); - pkt_num = min_t(u32, pkt_num, - brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol)); - __skb_queue_head_init(&pktq); - spin_lock_bh(&bus->txq_lock); - for (i = 0; i < pkt_num; i++) { - pkt = brcmu_pktq_mdeq(&bus->txq, tx_prec_map, - &prec_out); - if (pkt == NULL) - break; - __skb_queue_tail(&pktq, pkt); - } - spin_unlock_bh(&bus->txq_lock); - if (i == 0) - break; - - ret = brcmf_sdio_txpkt(bus, &pktq, SDPCM_DATA_CHANNEL); - - cnt += i; - - /* In poll mode, need to check for other events */ - if (!bus->intr) { - /* Check device status, signal pending interrupt */ - sdio_claim_host(bus->sdiodev->func[1]); - ret = r_sdreg32(bus, &intstatus, - offsetof(struct sdpcmd_regs, - intstatus)); - sdio_release_host(bus->sdiodev->func[1]); - bus->sdcnt.f2txdata++; - if (ret != 0) - break; - if (intstatus & bus->hostintmask) - atomic_set(&bus->ipend, 1); - } - } - - /* Deflow-control stack if needed */ - if ((bus->sdiodev->state == BRCMF_SDIOD_DATA) && - bus->txoff && (pktq_len(&bus->txq) < TXLOW)) { - bus->txoff = false; - brcmf_txflowblock(bus->sdiodev->dev, false); - } - - return cnt; -} - -static int brcmf_sdio_tx_ctrlframe(struct brcmf_sdio *bus, u8 *frame, u16 len) -{ - u8 doff; - u16 pad; - uint retries = 0; - struct brcmf_sdio_hdrinfo hd_info = {0}; - int ret; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Back the pointer to make room for bus header */ - frame -= bus->tx_hdrlen; - len += bus->tx_hdrlen; - - /* Add alignment padding (optional for ctl frames) */ - doff = ((unsigned long)frame % bus->head_align); - if (doff) { - frame -= doff; - len += doff; - memset(frame + bus->tx_hdrlen, 0, doff); - } - - /* Round send length to next SDIO block */ - pad = 0; - if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { - pad = bus->blocksize - (len % bus->blocksize); - if ((pad > bus->roundup) || (pad >= bus->blocksize)) - pad = 0; - } else if (len % bus->head_align) { - pad = bus->head_align - (len % bus->head_align); - } - len += pad; - - hd_info.len = len - pad; - hd_info.channel = SDPCM_CONTROL_CHANNEL; - hd_info.dat_offset = doff + bus->tx_hdrlen; - hd_info.seq_num = bus->tx_seq; - hd_info.lastfrm = true; - hd_info.tail_pad = pad; - brcmf_sdio_hdpack(bus, frame, &hd_info); - - if (bus->txglom) - brcmf_sdio_update_hwhdr(frame, len); - - brcmf_dbg_hex_dump(BRCMF_BYTES_ON() && BRCMF_CTL_ON(), - frame, len, "Tx Frame:\n"); - brcmf_dbg_hex_dump(!(BRCMF_BYTES_ON() && BRCMF_CTL_ON()) && - BRCMF_HDRS_ON(), - frame, min_t(u16, len, 16), "TxHdr:\n"); - - do { - ret = brcmf_sdiod_send_buf(bus->sdiodev, frame, len); - - if (ret < 0) - brcmf_sdio_txfail(bus); - else - bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQ_WRAP; - } while (ret < 0 && retries++ < TXRETRIES); - - return ret; -} - -static void brcmf_sdio_bus_stop(struct device *dev) -{ - u32 local_hostintmask; - u8 saveclk; - int err; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - - brcmf_dbg(TRACE, "Enter\n"); - - if (bus->watchdog_tsk) { - send_sig(SIGTERM, bus->watchdog_tsk, 1); - kthread_stop(bus->watchdog_tsk); - bus->watchdog_tsk = NULL; - } - - if (sdiodev->state != BRCMF_SDIOD_NOMEDIUM) { - sdio_claim_host(sdiodev->func[1]); - - /* Enable clock for device interrupts */ - brcmf_sdio_bus_sleep(bus, false, false); - - /* Disable and clear interrupts at the chip level also */ - w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask)); - local_hostintmask = bus->hostintmask; - bus->hostintmask = 0; - - /* Force backplane clocks to assure F2 interrupt propagates */ - saveclk = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - &err); - if (!err) - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); - if (err) - brcmf_err("Failed to force clock for F2: err %d\n", - err); - - /* Turn off the bus (F2), free any pending packets */ - brcmf_dbg(INTR, "disable SDIO interrupts\n"); - sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); - - /* Clear any pending interrupts now that F2 is disabled */ - w_sdreg32(bus, local_hostintmask, - offsetof(struct sdpcmd_regs, intstatus)); - - sdio_release_host(sdiodev->func[1]); - } - /* Clear the data packet queues */ - brcmu_pktq_flush(&bus->txq, true, NULL, NULL); - - /* Clear any held glomming stuff */ - brcmu_pkt_buf_free_skb(bus->glomd); - brcmf_sdio_free_glom(bus); - - /* Clear rx control and wake any waiters */ - spin_lock_bh(&bus->rxctl_lock); - bus->rxlen = 0; - spin_unlock_bh(&bus->rxctl_lock); - brcmf_sdio_dcmd_resp_wake(bus); - - /* Reset some F2 state stuff */ - bus->rxskip = false; - bus->tx_seq = bus->rx_seq = 0; -} - -static inline void brcmf_sdio_clrintr(struct brcmf_sdio *bus) -{ - unsigned long flags; - - if (bus->sdiodev->oob_irq_requested) { - spin_lock_irqsave(&bus->sdiodev->irq_en_lock, flags); - if (!bus->sdiodev->irq_en && !atomic_read(&bus->ipend)) { - enable_irq(bus->sdiodev->pdata->oob_irq_nr); - bus->sdiodev->irq_en = true; - } - spin_unlock_irqrestore(&bus->sdiodev->irq_en_lock, flags); - } -} - -static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus) -{ - struct brcmf_core *buscore; - u32 addr; - unsigned long val; - int ret; - - buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV); - addr = buscore->base + offsetof(struct sdpcmd_regs, intstatus); - - val = brcmf_sdiod_regrl(bus->sdiodev, addr, &ret); - bus->sdcnt.f1regdata++; - if (ret != 0) - return ret; - - val &= bus->hostintmask; - atomic_set(&bus->fcstate, !!(val & I_HMB_FC_STATE)); - - /* Clear interrupts */ - if (val) { - brcmf_sdiod_regwl(bus->sdiodev, addr, val, &ret); - bus->sdcnt.f1regdata++; - atomic_or(val, &bus->intstatus); - } - - return ret; -} - -static void brcmf_sdio_dpc(struct brcmf_sdio *bus) -{ - u32 newstatus = 0; - unsigned long intstatus; - uint txlimit = bus->txbound; /* Tx frames to send before resched */ - uint framecnt; /* Temporary counter of tx/rx frames */ - int err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - sdio_claim_host(bus->sdiodev->func[1]); - - /* If waiting for HTAVAIL, check status */ - if (!bus->sr_enabled && bus->clkstate == CLK_PENDING) { - u8 clkctl, devctl = 0; - -#ifdef DEBUG - /* Check for inconsistent device control */ - devctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); -#endif /* DEBUG */ - - /* Read CSR, if clock on switch to AVAIL, else ignore */ - clkctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - - brcmf_dbg(SDIO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", - devctl, clkctl); - - if (SBSDIO_HTAV(clkctl)) { - devctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_DEVICE_CTL, &err); - devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_DEVICE_CTL, - devctl, &err); - bus->clkstate = CLK_AVAIL; - } - } - - /* Make sure backplane clock is on */ - brcmf_sdio_bus_sleep(bus, false, true); - - /* Pending interrupt indicates new device status */ - if (atomic_read(&bus->ipend) > 0) { - atomic_set(&bus->ipend, 0); - err = brcmf_sdio_intr_rstatus(bus); - } - - /* Start with leftover status bits */ - intstatus = atomic_xchg(&bus->intstatus, 0); - - /* Handle flow-control change: read new state in case our ack - * crossed another change interrupt. If change still set, assume - * FC ON for safety, let next loop through do the debounce. - */ - if (intstatus & I_HMB_FC_CHANGE) { - intstatus &= ~I_HMB_FC_CHANGE; - err = w_sdreg32(bus, I_HMB_FC_CHANGE, - offsetof(struct sdpcmd_regs, intstatus)); - - err = r_sdreg32(bus, &newstatus, - offsetof(struct sdpcmd_regs, intstatus)); - bus->sdcnt.f1regdata += 2; - atomic_set(&bus->fcstate, - !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE))); - intstatus |= (newstatus & bus->hostintmask); - } - - /* Handle host mailbox indication */ - if (intstatus & I_HMB_HOST_INT) { - intstatus &= ~I_HMB_HOST_INT; - intstatus |= brcmf_sdio_hostmail(bus); - } - - sdio_release_host(bus->sdiodev->func[1]); - - /* Generally don't ask for these, can get CRC errors... */ - if (intstatus & I_WR_OOSYNC) { - brcmf_err("Dongle reports WR_OOSYNC\n"); - intstatus &= ~I_WR_OOSYNC; - } - - if (intstatus & I_RD_OOSYNC) { - brcmf_err("Dongle reports RD_OOSYNC\n"); - intstatus &= ~I_RD_OOSYNC; - } - - if (intstatus & I_SBINT) { - brcmf_err("Dongle reports SBINT\n"); - intstatus &= ~I_SBINT; - } - - /* Would be active due to wake-wlan in gSPI */ - if (intstatus & I_CHIPACTIVE) { - brcmf_dbg(INFO, "Dongle reports CHIPACTIVE\n"); - intstatus &= ~I_CHIPACTIVE; - } - - /* Ignore frame indications if rxskip is set */ - if (bus->rxskip) - intstatus &= ~I_HMB_FRAME_IND; - - /* On frame indication, read available frames */ - if ((intstatus & I_HMB_FRAME_IND) && (bus->clkstate == CLK_AVAIL)) { - brcmf_sdio_readframes(bus, bus->rxbound); - if (!bus->rxpending) - intstatus &= ~I_HMB_FRAME_IND; - } - - /* Keep still-pending events for next scheduling */ - if (intstatus) - atomic_or(intstatus, &bus->intstatus); - - brcmf_sdio_clrintr(bus); - - if (bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL) && - data_ok(bus)) { - sdio_claim_host(bus->sdiodev->func[1]); - if (bus->ctrl_frame_stat) { - err = brcmf_sdio_tx_ctrlframe(bus, bus->ctrl_frame_buf, - bus->ctrl_frame_len); - bus->ctrl_frame_err = err; - wmb(); - bus->ctrl_frame_stat = false; - } - sdio_release_host(bus->sdiodev->func[1]); - brcmf_sdio_wait_event_wakeup(bus); - } - /* Send queued frames (limit 1 if rx may still be pending) */ - if ((bus->clkstate == CLK_AVAIL) && !atomic_read(&bus->fcstate) && - brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit && - data_ok(bus)) { - framecnt = bus->rxpending ? min(txlimit, bus->txminmax) : - txlimit; - brcmf_sdio_sendfromq(bus, framecnt); - } - - if ((bus->sdiodev->state != BRCMF_SDIOD_DATA) || (err != 0)) { - brcmf_err("failed backplane access over SDIO, halting operation\n"); - atomic_set(&bus->intstatus, 0); - if (bus->ctrl_frame_stat) { - sdio_claim_host(bus->sdiodev->func[1]); - if (bus->ctrl_frame_stat) { - bus->ctrl_frame_err = -ENODEV; - wmb(); - bus->ctrl_frame_stat = false; - brcmf_sdio_wait_event_wakeup(bus); - } - sdio_release_host(bus->sdiodev->func[1]); - } - } else if (atomic_read(&bus->intstatus) || - atomic_read(&bus->ipend) > 0 || - (!atomic_read(&bus->fcstate) && - brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && - data_ok(bus))) { - bus->dpc_triggered = true; - } -} - -static struct pktq *brcmf_sdio_bus_gettxq(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - - return &bus->txq; -} - -static bool brcmf_sdio_prec_enq(struct pktq *q, struct sk_buff *pkt, int prec) -{ - struct sk_buff *p; - int eprec = -1; /* precedence to evict from */ - - /* Fast case, precedence queue is not full and we are also not - * exceeding total queue length - */ - if (!pktq_pfull(q, prec) && !pktq_full(q)) { - brcmu_pktq_penq(q, prec, pkt); - return true; - } - - /* Determine precedence from which to evict packet, if any */ - if (pktq_pfull(q, prec)) { - eprec = prec; - } else if (pktq_full(q)) { - p = brcmu_pktq_peek_tail(q, &eprec); - if (eprec > prec) - return false; - } - - /* Evict if needed */ - if (eprec >= 0) { - /* Detect queueing to unconfigured precedence */ - if (eprec == prec) - return false; /* refuse newer (incoming) packet */ - /* Evict packet according to discard policy */ - p = brcmu_pktq_pdeq_tail(q, eprec); - if (p == NULL) - brcmf_err("brcmu_pktq_pdeq_tail() failed\n"); - brcmu_pkt_buf_free_skb(p); - } - - /* Enqueue */ - p = brcmu_pktq_penq(q, prec, pkt); - if (p == NULL) - brcmf_err("brcmu_pktq_penq() failed\n"); - - return p != NULL; -} - -static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt) -{ - int ret = -EBADE; - uint prec; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - - brcmf_dbg(TRACE, "Enter: pkt: data %p len %d\n", pkt->data, pkt->len); - if (sdiodev->state != BRCMF_SDIOD_DATA) - return -EIO; - - /* Add space for the header */ - skb_push(pkt, bus->tx_hdrlen); - /* precondition: IS_ALIGNED((unsigned long)(pkt->data), 2) */ - - prec = prio2prec((pkt->priority & PRIOMASK)); - - /* Check for existing queue, current flow-control, - pending event, or pending clock */ - brcmf_dbg(TRACE, "deferring pktq len %d\n", pktq_len(&bus->txq)); - bus->sdcnt.fcqueued++; - - /* Priority based enq */ - spin_lock_bh(&bus->txq_lock); - /* reset bus_flags in packet cb */ - *(u16 *)(pkt->cb) = 0; - if (!brcmf_sdio_prec_enq(&bus->txq, pkt, prec)) { - skb_pull(pkt, bus->tx_hdrlen); - brcmf_err("out of bus->txq !!!\n"); - ret = -ENOSR; - } else { - ret = 0; - } - - if (pktq_len(&bus->txq) >= TXHI) { - bus->txoff = true; - brcmf_txflowblock(dev, true); - } - spin_unlock_bh(&bus->txq_lock); - -#ifdef DEBUG - if (pktq_plen(&bus->txq, prec) > qcount[prec]) - qcount[prec] = pktq_plen(&bus->txq, prec); -#endif - - brcmf_sdio_trigger_dpc(bus); - return ret; -} - -#ifdef DEBUG -#define CONSOLE_LINE_MAX 192 - -static int brcmf_sdio_readconsole(struct brcmf_sdio *bus) -{ - struct brcmf_console *c = &bus->console; - u8 line[CONSOLE_LINE_MAX], ch; - u32 n, idx, addr; - int rv; - - /* Don't do anything until FWREADY updates console address */ - if (bus->console_addr == 0) - return 0; - - /* Read console log struct */ - addr = bus->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, (u8 *)&c->log_le, - sizeof(c->log_le)); - if (rv < 0) - return rv; - - /* Allocate console buffer (one time only) */ - if (c->buf == NULL) { - c->bufsize = le32_to_cpu(c->log_le.buf_size); - c->buf = kmalloc(c->bufsize, GFP_ATOMIC); - if (c->buf == NULL) - return -ENOMEM; - } - - idx = le32_to_cpu(c->log_le.idx); - - /* Protect against corrupt value */ - if (idx > c->bufsize) - return -EBADE; - - /* Skip reading the console buffer if the index pointer - has not moved */ - if (idx == c->last) - return 0; - - /* Read the console buffer */ - addr = le32_to_cpu(c->log_le.buf); - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, c->buf, c->bufsize); - if (rv < 0) - return rv; - - while (c->last != idx) { - for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { - if (c->last == idx) { - /* This would output a partial line. - * Instead, back up - * the buffer pointer and output this - * line next time around. - */ - if (c->last >= n) - c->last -= n; - else - c->last = c->bufsize - n; - goto break2; - } - ch = c->buf[c->last]; - c->last = (c->last + 1) % c->bufsize; - if (ch == '\n') - break; - line[n] = ch; - } - - if (n > 0) { - if (line[n - 1] == '\r') - n--; - line[n] = 0; - pr_debug("CONSOLE: %s\n", line); - } - } -break2: - - return 0; -} -#endif /* DEBUG */ - -static int -brcmf_sdio_bus_txctl(struct device *dev, unsigned char *msg, uint msglen) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int ret; - - brcmf_dbg(TRACE, "Enter\n"); - if (sdiodev->state != BRCMF_SDIOD_DATA) - return -EIO; - - /* Send from dpc */ - bus->ctrl_frame_buf = msg; - bus->ctrl_frame_len = msglen; - wmb(); - bus->ctrl_frame_stat = true; - - brcmf_sdio_trigger_dpc(bus); - wait_event_interruptible_timeout(bus->ctrl_wait, !bus->ctrl_frame_stat, - msecs_to_jiffies(CTL_DONE_TIMEOUT)); - ret = 0; - if (bus->ctrl_frame_stat) { - sdio_claim_host(bus->sdiodev->func[1]); - if (bus->ctrl_frame_stat) { - brcmf_dbg(SDIO, "ctrl_frame timeout\n"); - bus->ctrl_frame_stat = false; - ret = -ETIMEDOUT; - } - sdio_release_host(bus->sdiodev->func[1]); - } - if (!ret) { - brcmf_dbg(SDIO, "ctrl_frame complete, err=%d\n", - bus->ctrl_frame_err); - rmb(); - ret = bus->ctrl_frame_err; - } - - if (ret) - bus->sdcnt.tx_ctlerrs++; - else - bus->sdcnt.tx_ctlpkts++; - - return ret; -} - -#ifdef DEBUG -static int brcmf_sdio_dump_console(struct seq_file *seq, struct brcmf_sdio *bus, - struct sdpcm_shared *sh) -{ - u32 addr, console_ptr, console_size, console_index; - char *conbuf = NULL; - __le32 sh_val; - int rv; - - /* obtain console information from device memory */ - addr = sh->console_addr + offsetof(struct rte_console, log_le); - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, - (u8 *)&sh_val, sizeof(u32)); - if (rv < 0) - return rv; - console_ptr = le32_to_cpu(sh_val); - - addr = sh->console_addr + offsetof(struct rte_console, log_le.buf_size); - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, - (u8 *)&sh_val, sizeof(u32)); - if (rv < 0) - return rv; - console_size = le32_to_cpu(sh_val); - - addr = sh->console_addr + offsetof(struct rte_console, log_le.idx); - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, addr, - (u8 *)&sh_val, sizeof(u32)); - if (rv < 0) - return rv; - console_index = le32_to_cpu(sh_val); - - /* allocate buffer for console data */ - if (console_size <= CONSOLE_BUFFER_MAX) - conbuf = vzalloc(console_size+1); - - if (!conbuf) - return -ENOMEM; - - /* obtain the console data from device */ - conbuf[console_size] = '\0'; - rv = brcmf_sdiod_ramrw(bus->sdiodev, false, console_ptr, (u8 *)conbuf, - console_size); - if (rv < 0) - goto done; - - rv = seq_write(seq, conbuf + console_index, - console_size - console_index); - if (rv < 0) - goto done; - - if (console_index > 0) - rv = seq_write(seq, conbuf, console_index - 1); - -done: - vfree(conbuf); - return rv; -} - -static int brcmf_sdio_trap_info(struct seq_file *seq, struct brcmf_sdio *bus, - struct sdpcm_shared *sh) -{ - int error; - struct brcmf_trap_info tr; - - if ((sh->flags & SDPCM_SHARED_TRAP) == 0) { - brcmf_dbg(INFO, "no trap in firmware\n"); - return 0; - } - - error = brcmf_sdiod_ramrw(bus->sdiodev, false, sh->trap_addr, (u8 *)&tr, - sizeof(struct brcmf_trap_info)); - if (error < 0) - return error; - - seq_printf(seq, - "dongle trap info: type 0x%x @ epc 0x%08x\n" - " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n" - " lr 0x%08x pc 0x%08x offset 0x%x\n" - " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n" - " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n", - le32_to_cpu(tr.type), le32_to_cpu(tr.epc), - le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr), - le32_to_cpu(tr.r13), le32_to_cpu(tr.r14), - le32_to_cpu(tr.pc), sh->trap_addr, - le32_to_cpu(tr.r0), le32_to_cpu(tr.r1), - le32_to_cpu(tr.r2), le32_to_cpu(tr.r3), - le32_to_cpu(tr.r4), le32_to_cpu(tr.r5), - le32_to_cpu(tr.r6), le32_to_cpu(tr.r7)); - - return 0; -} - -static int brcmf_sdio_assert_info(struct seq_file *seq, struct brcmf_sdio *bus, - struct sdpcm_shared *sh) -{ - int error = 0; - char file[80] = "?"; - char expr[80] = "<???>"; - - if ((sh->flags & SDPCM_SHARED_ASSERT_BUILT) == 0) { - brcmf_dbg(INFO, "firmware not built with -assert\n"); - return 0; - } else if ((sh->flags & SDPCM_SHARED_ASSERT) == 0) { - brcmf_dbg(INFO, "no assert in dongle\n"); - return 0; - } - - sdio_claim_host(bus->sdiodev->func[1]); - if (sh->assert_file_addr != 0) { - error = brcmf_sdiod_ramrw(bus->sdiodev, false, - sh->assert_file_addr, (u8 *)file, 80); - if (error < 0) - return error; - } - if (sh->assert_exp_addr != 0) { - error = brcmf_sdiod_ramrw(bus->sdiodev, false, - sh->assert_exp_addr, (u8 *)expr, 80); - if (error < 0) - return error; - } - sdio_release_host(bus->sdiodev->func[1]); - - seq_printf(seq, "dongle assert: %s:%d: assert(%s)\n", - file, sh->assert_line, expr); - return 0; -} - -static int brcmf_sdio_checkdied(struct brcmf_sdio *bus) -{ - int error; - struct sdpcm_shared sh; - - error = brcmf_sdio_readshared(bus, &sh); - - if (error < 0) - return error; - - if ((sh.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) - brcmf_dbg(INFO, "firmware not built with -assert\n"); - else if (sh.flags & SDPCM_SHARED_ASSERT) - brcmf_err("assertion in dongle\n"); - - if (sh.flags & SDPCM_SHARED_TRAP) - brcmf_err("firmware trap in dongle\n"); - - return 0; -} - -static int brcmf_sdio_died_dump(struct seq_file *seq, struct brcmf_sdio *bus) -{ - int error = 0; - struct sdpcm_shared sh; - - error = brcmf_sdio_readshared(bus, &sh); - if (error < 0) - goto done; - - error = brcmf_sdio_assert_info(seq, bus, &sh); - if (error < 0) - goto done; - - error = brcmf_sdio_trap_info(seq, bus, &sh); - if (error < 0) - goto done; - - error = brcmf_sdio_dump_console(seq, bus, &sh); - -done: - return error; -} - -static int brcmf_sdio_forensic_read(struct seq_file *seq, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); - struct brcmf_sdio *bus = bus_if->bus_priv.sdio->bus; - - return brcmf_sdio_died_dump(seq, bus); -} - -static int brcmf_debugfs_sdio_count_read(struct seq_file *seq, void *data) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(seq->private); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio_count *sdcnt = &sdiodev->bus->sdcnt; - - seq_printf(seq, - "intrcount: %u\nlastintrs: %u\n" - "pollcnt: %u\nregfails: %u\n" - "tx_sderrs: %u\nfcqueued: %u\n" - "rxrtx: %u\nrx_toolong: %u\n" - "rxc_errors: %u\nrx_hdrfail: %u\n" - "rx_badhdr: %u\nrx_badseq: %u\n" - "fc_rcvd: %u\nfc_xoff: %u\n" - "fc_xon: %u\nrxglomfail: %u\n" - "rxglomframes: %u\nrxglompkts: %u\n" - "f2rxhdrs: %u\nf2rxdata: %u\n" - "f2txdata: %u\nf1regdata: %u\n" - "tickcnt: %u\ntx_ctlerrs: %lu\n" - "tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n" - "rx_ctlpkts: %lu\nrx_readahead: %lu\n", - sdcnt->intrcount, sdcnt->lastintrs, - sdcnt->pollcnt, sdcnt->regfails, - sdcnt->tx_sderrs, sdcnt->fcqueued, - sdcnt->rxrtx, sdcnt->rx_toolong, - sdcnt->rxc_errors, sdcnt->rx_hdrfail, - sdcnt->rx_badhdr, sdcnt->rx_badseq, - sdcnt->fc_rcvd, sdcnt->fc_xoff, - sdcnt->fc_xon, sdcnt->rxglomfail, - sdcnt->rxglomframes, sdcnt->rxglompkts, - sdcnt->f2rxhdrs, sdcnt->f2rxdata, - sdcnt->f2txdata, sdcnt->f1regdata, - sdcnt->tickcnt, sdcnt->tx_ctlerrs, - sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs, - sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt); - - return 0; -} - -static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus) -{ - struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr; - struct dentry *dentry = brcmf_debugfs_get_devdir(drvr); - - if (IS_ERR_OR_NULL(dentry)) - return; - - bus->console_interval = BRCMF_CONSOLE; - - brcmf_debugfs_add_entry(drvr, "forensics", brcmf_sdio_forensic_read); - brcmf_debugfs_add_entry(drvr, "counters", - brcmf_debugfs_sdio_count_read); - debugfs_create_u32("console_interval", 0644, dentry, - &bus->console_interval); -} -#else -static int brcmf_sdio_checkdied(struct brcmf_sdio *bus) -{ - return 0; -} - -static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus) -{ -} -#endif /* DEBUG */ - -static int -brcmf_sdio_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen) -{ - int timeleft; - uint rxlen = 0; - bool pending; - u8 *buf; - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - - brcmf_dbg(TRACE, "Enter\n"); - if (sdiodev->state != BRCMF_SDIOD_DATA) - return -EIO; - - /* Wait until control frame is available */ - timeleft = brcmf_sdio_dcmd_resp_wait(bus, &bus->rxlen, &pending); - - spin_lock_bh(&bus->rxctl_lock); - rxlen = bus->rxlen; - memcpy(msg, bus->rxctl, min(msglen, rxlen)); - bus->rxctl = NULL; - buf = bus->rxctl_orig; - bus->rxctl_orig = NULL; - bus->rxlen = 0; - spin_unlock_bh(&bus->rxctl_lock); - vfree(buf); - - if (rxlen) { - brcmf_dbg(CTL, "resumed on rxctl frame, got %d expected %d\n", - rxlen, msglen); - } else if (timeleft == 0) { - brcmf_err("resumed on timeout\n"); - brcmf_sdio_checkdied(bus); - } else if (pending) { - brcmf_dbg(CTL, "cancelled\n"); - return -ERESTARTSYS; - } else { - brcmf_dbg(CTL, "resumed for unknown reason?\n"); - brcmf_sdio_checkdied(bus); - } - - if (rxlen) - bus->sdcnt.rx_ctlpkts++; - else - bus->sdcnt.rx_ctlerrs++; - - return rxlen ? (int)rxlen : -ETIMEDOUT; -} - -#ifdef DEBUG -static bool -brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, - u8 *ram_data, uint ram_sz) -{ - char *ram_cmp; - int err; - bool ret = true; - int address; - int offset; - int len; - - /* read back and verify */ - brcmf_dbg(INFO, "Compare RAM dl & ul at 0x%08x; size=%d\n", ram_addr, - ram_sz); - ram_cmp = kmalloc(MEMBLOCK, GFP_KERNEL); - /* do not proceed while no memory but */ - if (!ram_cmp) - return true; - - address = ram_addr; - offset = 0; - while (offset < ram_sz) { - len = ((offset + MEMBLOCK) < ram_sz) ? MEMBLOCK : - ram_sz - offset; - err = brcmf_sdiod_ramrw(sdiodev, false, address, ram_cmp, len); - if (err) { - brcmf_err("error %d on reading %d membytes at 0x%08x\n", - err, len, address); - ret = false; - break; - } else if (memcmp(ram_cmp, &ram_data[offset], len)) { - brcmf_err("Downloaded RAM image is corrupted, block offset is %d, len is %d\n", - offset, len); - ret = false; - break; - } - offset += len; - address += len; - } - - kfree(ram_cmp); - - return ret; -} -#else /* DEBUG */ -static bool -brcmf_sdio_verifymemory(struct brcmf_sdio_dev *sdiodev, u32 ram_addr, - u8 *ram_data, uint ram_sz) -{ - return true; -} -#endif /* DEBUG */ - -static int brcmf_sdio_download_code_file(struct brcmf_sdio *bus, - const struct firmware *fw) -{ - int err; - - brcmf_dbg(TRACE, "Enter\n"); - - err = brcmf_sdiod_ramrw(bus->sdiodev, true, bus->ci->rambase, - (u8 *)fw->data, fw->size); - if (err) - brcmf_err("error %d on writing %d membytes at 0x%08x\n", - err, (int)fw->size, bus->ci->rambase); - else if (!brcmf_sdio_verifymemory(bus->sdiodev, bus->ci->rambase, - (u8 *)fw->data, fw->size)) - err = -EIO; - - return err; -} - -static int brcmf_sdio_download_nvram(struct brcmf_sdio *bus, - void *vars, u32 varsz) -{ - int address; - int err; - - brcmf_dbg(TRACE, "Enter\n"); - - address = bus->ci->ramsize - varsz + bus->ci->rambase; - err = brcmf_sdiod_ramrw(bus->sdiodev, true, address, vars, varsz); - if (err) - brcmf_err("error %d on writing %d nvram bytes at 0x%08x\n", - err, varsz, address); - else if (!brcmf_sdio_verifymemory(bus->sdiodev, address, vars, varsz)) - err = -EIO; - - return err; -} - -static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus, - const struct firmware *fw, - void *nvram, u32 nvlen) -{ - int bcmerror = -EFAULT; - u32 rstvec; - - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_clkctl(bus, CLK_AVAIL, false); - - rstvec = get_unaligned_le32(fw->data); - brcmf_dbg(SDIO, "firmware rstvec: %x\n", rstvec); - - bcmerror = brcmf_sdio_download_code_file(bus, fw); - release_firmware(fw); - if (bcmerror) { - brcmf_err("dongle image file download failed\n"); - brcmf_fw_nvram_free(nvram); - goto err; - } - - bcmerror = brcmf_sdio_download_nvram(bus, nvram, nvlen); - brcmf_fw_nvram_free(nvram); - if (bcmerror) { - brcmf_err("dongle nvram file download failed\n"); - goto err; - } - - /* Take arm out of reset */ - if (!brcmf_chip_set_active(bus->ci, rstvec)) { - brcmf_err("error getting out of ARM core reset\n"); - goto err; - } - - /* Allow full data communication using DPC from now on. */ - brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA); - bcmerror = 0; - -err: - brcmf_sdio_clkctl(bus, CLK_SDONLY, false); - sdio_release_host(bus->sdiodev->func[1]); - return bcmerror; -} - -static void brcmf_sdio_sr_init(struct brcmf_sdio *bus) -{ - int err = 0; - u8 val; - - brcmf_dbg(TRACE, "Enter\n"); - - val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err); - if (err) { - brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n"); - return; - } - - val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err); - if (err) { - brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n"); - return; - } - - /* Add CMD14 Support */ - brcmf_sdiod_regwb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP, - (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | - SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT), - &err); - if (err) { - brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n"); - return; - } - - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - SBSDIO_FORCE_HT, &err); - if (err) { - brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n"); - return; - } - - /* set flag */ - bus->sr_enabled = true; - brcmf_dbg(INFO, "SR enabled\n"); -} - -/* enable KSO bit */ -static int brcmf_sdio_kso_init(struct brcmf_sdio *bus) -{ - u8 val; - int err = 0; - - brcmf_dbg(TRACE, "Enter\n"); - - /* KSO bit added in SDIO core rev 12 */ - if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12) - return 0; - - val = brcmf_sdiod_regrb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, &err); - if (err) { - brcmf_err("error reading SBSDIO_FUNC1_SLEEPCSR\n"); - return err; - } - - if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { - val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN << - SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, - val, &err); - if (err) { - brcmf_err("error writing SBSDIO_FUNC1_SLEEPCSR\n"); - return err; - } - } - - return 0; -} - - -static int brcmf_sdio_bus_preinit(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - uint pad_size; - u32 value; - int err; - - /* the commands below use the terms tx and rx from - * a device perspective, ie. bus:txglom affects the - * bus transfers from device to host. - */ - if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12) { - /* for sdio core rev < 12, disable txgloming */ - value = 0; - err = brcmf_iovar_data_set(dev, "bus:txglom", &value, - sizeof(u32)); - } else { - /* otherwise, set txglomalign */ - value = 4; - if (sdiodev->pdata) - value = sdiodev->pdata->sd_sgentry_align; - /* SDIO ADMA requires at least 32 bit alignment */ - value = max_t(u32, value, 4); - err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value, - sizeof(u32)); - } - - if (err < 0) - goto done; - - bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN; - if (sdiodev->sg_support) { - bus->txglom = false; - value = 1; - pad_size = bus->sdiodev->func[2]->cur_blksize << 1; - err = brcmf_iovar_data_set(bus->sdiodev->dev, "bus:rxglom", - &value, sizeof(u32)); - if (err < 0) { - /* bus:rxglom is allowed to fail */ - err = 0; - } else { - bus->txglom = true; - bus->tx_hdrlen += SDPCM_HWEXT_LEN; - } - } - brcmf_bus_add_txhdrlen(bus->sdiodev->dev, bus->tx_hdrlen); - -done: - return err; -} - -static size_t brcmf_sdio_bus_get_ramsize(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - - return bus->ci->ramsize - bus->ci->srsize; -} - -static int brcmf_sdio_bus_get_memdump(struct device *dev, void *data, - size_t mem_size) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err; - int address; - int offset; - int len; - - brcmf_dbg(INFO, "dump at 0x%08x: size=%zu\n", bus->ci->rambase, - mem_size); - - address = bus->ci->rambase; - offset = err = 0; - sdio_claim_host(sdiodev->func[1]); - while (offset < mem_size) { - len = ((offset + MEMBLOCK) < mem_size) ? MEMBLOCK : - mem_size - offset; - err = brcmf_sdiod_ramrw(sdiodev, false, address, data, len); - if (err) { - brcmf_err("error %d on reading %d membytes at 0x%08x\n", - err, len, address); - goto done; - } - data += len; - offset += len; - address += len; - } - -done: - sdio_release_host(sdiodev->func[1]); - return err; -} - -void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus) -{ - if (!bus->dpc_triggered) { - bus->dpc_triggered = true; - queue_work(bus->brcmf_wq, &bus->datawork); - } -} - -void brcmf_sdio_isr(struct brcmf_sdio *bus) -{ - brcmf_dbg(TRACE, "Enter\n"); - - if (!bus) { - brcmf_err("bus is null pointer, exiting\n"); - return; - } - - /* Count the interrupt call */ - bus->sdcnt.intrcount++; - if (in_interrupt()) - atomic_set(&bus->ipend, 1); - else - if (brcmf_sdio_intr_rstatus(bus)) { - brcmf_err("failed backplane access\n"); - } - - /* Disable additional interrupts (is this needed now)? */ - if (!bus->intr) - brcmf_err("isr w/o interrupt configured!\n"); - - bus->dpc_triggered = true; - queue_work(bus->brcmf_wq, &bus->datawork); -} - -static void brcmf_sdio_bus_watchdog(struct brcmf_sdio *bus) -{ - brcmf_dbg(TIMER, "Enter\n"); - - /* Poll period: check device if appropriate. */ - if (!bus->sr_enabled && - bus->poll && (++bus->polltick >= bus->pollrate)) { - u32 intstatus = 0; - - /* Reset poll tick */ - bus->polltick = 0; - - /* Check device if no interrupts */ - if (!bus->intr || - (bus->sdcnt.intrcount == bus->sdcnt.lastintrs)) { - - if (!bus->dpc_triggered) { - u8 devpend; - - sdio_claim_host(bus->sdiodev->func[1]); - devpend = brcmf_sdiod_regrb(bus->sdiodev, - SDIO_CCCR_INTx, - NULL); - sdio_release_host(bus->sdiodev->func[1]); - intstatus = devpend & (INTR_STATUS_FUNC1 | - INTR_STATUS_FUNC2); - } - - /* If there is something, make like the ISR and - schedule the DPC */ - if (intstatus) { - bus->sdcnt.pollcnt++; - atomic_set(&bus->ipend, 1); - - bus->dpc_triggered = true; - queue_work(bus->brcmf_wq, &bus->datawork); - } - } - - /* Update interrupt tracking */ - bus->sdcnt.lastintrs = bus->sdcnt.intrcount; - } -#ifdef DEBUG - /* Poll for console output periodically */ - if (bus->sdiodev->state == BRCMF_SDIOD_DATA && BRCMF_FWCON_ON() && - bus->console_interval != 0) { - bus->console.count += BRCMF_WD_POLL_MS; - if (bus->console.count >= bus->console_interval) { - bus->console.count -= bus->console_interval; - sdio_claim_host(bus->sdiodev->func[1]); - /* Make sure backplane clock is on */ - brcmf_sdio_bus_sleep(bus, false, false); - if (brcmf_sdio_readconsole(bus) < 0) - /* stop on error */ - bus->console_interval = 0; - sdio_release_host(bus->sdiodev->func[1]); - } - } -#endif /* DEBUG */ - - /* On idle timeout clear activity flag and/or turn off clock */ - if (!bus->dpc_triggered) { - rmb(); - if ((!bus->dpc_running) && (bus->idletime > 0) && - (bus->clkstate == CLK_AVAIL)) { - bus->idlecount++; - if (bus->idlecount > bus->idletime) { - brcmf_dbg(SDIO, "idle\n"); - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_wd_timer(bus, 0); - bus->idlecount = 0; - brcmf_sdio_bus_sleep(bus, true, false); - sdio_release_host(bus->sdiodev->func[1]); - } - } else { - bus->idlecount = 0; - } - } else { - bus->idlecount = 0; - } -} - -static void brcmf_sdio_dataworker(struct work_struct *work) -{ - struct brcmf_sdio *bus = container_of(work, struct brcmf_sdio, - datawork); - - bus->dpc_running = true; - wmb(); - while (ACCESS_ONCE(bus->dpc_triggered)) { - bus->dpc_triggered = false; - brcmf_sdio_dpc(bus); - bus->idlecount = 0; - } - bus->dpc_running = false; - if (brcmf_sdiod_freezing(bus->sdiodev)) { - brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DOWN); - brcmf_sdiod_try_freeze(bus->sdiodev); - brcmf_sdiod_change_state(bus->sdiodev, BRCMF_SDIOD_DATA); - } -} - -static void -brcmf_sdio_drivestrengthinit(struct brcmf_sdio_dev *sdiodev, - struct brcmf_chip *ci, u32 drivestrength) -{ - const struct sdiod_drive_str *str_tab = NULL; - u32 str_mask; - u32 str_shift; - u32 base; - u32 i; - u32 drivestrength_sel = 0; - u32 cc_data_temp; - u32 addr; - - if (!(ci->cc_caps & CC_CAP_PMU)) - return; - - switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) { - case SDIOD_DRVSTR_KEY(BRCM_CC_4330_CHIP_ID, 12): - str_tab = sdiod_drvstr_tab1_1v8; - str_mask = 0x00003800; - str_shift = 11; - break; - case SDIOD_DRVSTR_KEY(BRCM_CC_4334_CHIP_ID, 17): - str_tab = sdiod_drvstr_tab6_1v8; - str_mask = 0x00001800; - str_shift = 11; - break; - case SDIOD_DRVSTR_KEY(BRCM_CC_43143_CHIP_ID, 17): - /* note: 43143 does not support tristate */ - i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1; - if (drivestrength >= sdiod_drvstr_tab2_3v3[i].strength) { - str_tab = sdiod_drvstr_tab2_3v3; - str_mask = 0x00000007; - str_shift = 0; - } else - brcmf_err("Invalid SDIO Drive strength for chip %s, strength=%d\n", - ci->name, drivestrength); - break; - case SDIOD_DRVSTR_KEY(BRCM_CC_43362_CHIP_ID, 13): - str_tab = sdiod_drive_strength_tab5_1v8; - str_mask = 0x00003800; - str_shift = 11; - break; - default: - brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n", - ci->name, ci->chiprev, ci->pmurev); - break; - } - - if (str_tab != NULL) { - for (i = 0; str_tab[i].strength != 0; i++) { - if (drivestrength >= str_tab[i].strength) { - drivestrength_sel = str_tab[i].sel; - break; - } - } - base = brcmf_chip_get_chipcommon(ci)->base; - addr = CORE_CC_REG(base, chipcontrol_addr); - brcmf_sdiod_regwl(sdiodev, addr, 1, NULL); - cc_data_temp = brcmf_sdiod_regrl(sdiodev, addr, NULL); - cc_data_temp &= ~str_mask; - drivestrength_sel <<= str_shift; - cc_data_temp |= drivestrength_sel; - brcmf_sdiod_regwl(sdiodev, addr, cc_data_temp, NULL); - - brcmf_dbg(INFO, "SDIO: %d mA (req=%d mA) drive strength selected, set to 0x%08x\n", - str_tab[i].strength, drivestrength, cc_data_temp); - } -} - -static int brcmf_sdio_buscoreprep(void *ctx) -{ - struct brcmf_sdio_dev *sdiodev = ctx; - int err = 0; - u8 clkval, clkset; - - /* Try forcing SDIO core to do ALPAvail request only */ - clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ; - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); - if (err) { - brcmf_err("error writing for HT off\n"); - return err; - } - - /* If register supported, wait for ALPAvail and then force ALP */ - /* This may take up to 15 milliseconds */ - clkval = brcmf_sdiod_regrb(sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, NULL); - - if ((clkval & ~SBSDIO_AVBITS) != clkset) { - brcmf_err("ChipClkCSR access: wrote 0x%02x read 0x%02x\n", - clkset, clkval); - return -EACCES; - } - - SPINWAIT(((clkval = brcmf_sdiod_regrb(sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, NULL)), - !SBSDIO_ALPAV(clkval)), - PMU_MAX_TRANSITION_DLY); - if (!SBSDIO_ALPAV(clkval)) { - brcmf_err("timeout on ALPAV wait, clkval 0x%02x\n", - clkval); - return -EBUSY; - } - - clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP; - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err); - udelay(65); - - /* Also, disable the extra SDIO pull-ups */ - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SDIOPULLUP, 0, NULL); - - return 0; -} - -static void brcmf_sdio_buscore_activate(void *ctx, struct brcmf_chip *chip, - u32 rstvec) -{ - struct brcmf_sdio_dev *sdiodev = ctx; - struct brcmf_core *core; - u32 reg_addr; - - /* clear all interrupts */ - core = brcmf_chip_get_core(chip, BCMA_CORE_SDIO_DEV); - reg_addr = core->base + offsetof(struct sdpcmd_regs, intstatus); - brcmf_sdiod_regwl(sdiodev, reg_addr, 0xFFFFFFFF, NULL); - - if (rstvec) - /* Write reset vector to address 0 */ - brcmf_sdiod_ramrw(sdiodev, true, 0, (void *)&rstvec, - sizeof(rstvec)); -} - -static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr) -{ - struct brcmf_sdio_dev *sdiodev = ctx; - u32 val, rev; - - val = brcmf_sdiod_regrl(sdiodev, addr, NULL); - if (sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 && - addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) { - rev = (val & CID_REV_MASK) >> CID_REV_SHIFT; - if (rev >= 2) { - val &= ~CID_ID_MASK; - val |= BRCM_CC_4339_CHIP_ID; - } - } - return val; -} - -static void brcmf_sdio_buscore_write32(void *ctx, u32 addr, u32 val) -{ - struct brcmf_sdio_dev *sdiodev = ctx; - - brcmf_sdiod_regwl(sdiodev, addr, val, NULL); -} - -static const struct brcmf_buscore_ops brcmf_sdio_buscore_ops = { - .prepare = brcmf_sdio_buscoreprep, - .activate = brcmf_sdio_buscore_activate, - .read32 = brcmf_sdio_buscore_read32, - .write32 = brcmf_sdio_buscore_write32, -}; - -static bool -brcmf_sdio_probe_attach(struct brcmf_sdio *bus) -{ - u8 clkctl = 0; - int err = 0; - int reg_addr; - u32 reg_val; - u32 drivestrength; - - sdio_claim_host(bus->sdiodev->func[1]); - - pr_debug("F1 signature read @0x18000000=0x%4x\n", - brcmf_sdiod_regrl(bus->sdiodev, SI_ENUM_BASE, NULL)); - - /* - * Force PLL off until brcmf_chip_attach() - * programs PLL control regs - */ - - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - BRCMF_INIT_CLKCTL1, &err); - if (!err) - clkctl = brcmf_sdiod_regrb(bus->sdiodev, - SBSDIO_FUNC1_CHIPCLKCSR, &err); - - if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) { - brcmf_err("ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n", - err, BRCMF_INIT_CLKCTL1, clkctl); - goto fail; - } - - bus->ci = brcmf_chip_attach(bus->sdiodev, &brcmf_sdio_buscore_ops); - if (IS_ERR(bus->ci)) { - brcmf_err("brcmf_chip_attach failed!\n"); - bus->ci = NULL; - goto fail; - } - - if (brcmf_sdio_kso_init(bus)) { - brcmf_err("error enabling KSO\n"); - goto fail; - } - - if ((bus->sdiodev->pdata) && (bus->sdiodev->pdata->drive_strength)) - drivestrength = bus->sdiodev->pdata->drive_strength; - else - drivestrength = DEFAULT_SDIO_DRIVE_STRENGTH; - brcmf_sdio_drivestrengthinit(bus->sdiodev, bus->ci, drivestrength); - - /* Set card control so an SDIO card reset does a WLAN backplane reset */ - reg_val = brcmf_sdiod_regrb(bus->sdiodev, - SDIO_CCCR_BRCM_CARDCTRL, &err); - if (err) - goto fail; - - reg_val |= SDIO_CCCR_BRCM_CARDCTRL_WLANRESET; - - brcmf_sdiod_regwb(bus->sdiodev, - SDIO_CCCR_BRCM_CARDCTRL, reg_val, &err); - if (err) - goto fail; - - /* set PMUControl so a backplane reset does PMU state reload */ - reg_addr = CORE_CC_REG(brcmf_chip_get_chipcommon(bus->ci)->base, - pmucontrol); - reg_val = brcmf_sdiod_regrl(bus->sdiodev, reg_addr, &err); - if (err) - goto fail; - - reg_val |= (BCMA_CC_PMU_CTL_RES_RELOAD << BCMA_CC_PMU_CTL_RES_SHIFT); - - brcmf_sdiod_regwl(bus->sdiodev, reg_addr, reg_val, &err); - if (err) - goto fail; - - sdio_release_host(bus->sdiodev->func[1]); - - brcmu_pktq_init(&bus->txq, (PRIOMASK + 1), TXQLEN); - - /* allocate header buffer */ - bus->hdrbuf = kzalloc(MAX_HDR_READ + bus->head_align, GFP_KERNEL); - if (!bus->hdrbuf) - return false; - /* Locate an appropriately-aligned portion of hdrbuf */ - bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0], - bus->head_align); - - /* Set the poll and/or interrupt flags */ - bus->intr = true; - bus->poll = false; - if (bus->poll) - bus->pollrate = 1; - - return true; - -fail: - sdio_release_host(bus->sdiodev->func[1]); - return false; -} - -static int -brcmf_sdio_watchdog_thread(void *data) -{ - struct brcmf_sdio *bus = (struct brcmf_sdio *)data; - int wait; - - allow_signal(SIGTERM); - /* Run until signal received */ - brcmf_sdiod_freezer_count(bus->sdiodev); - while (1) { - if (kthread_should_stop()) - break; - brcmf_sdiod_freezer_uncount(bus->sdiodev); - wait = wait_for_completion_interruptible(&bus->watchdog_wait); - brcmf_sdiod_freezer_count(bus->sdiodev); - brcmf_sdiod_try_freeze(bus->sdiodev); - if (!wait) { - brcmf_sdio_bus_watchdog(bus); - /* Count the tick for reference */ - bus->sdcnt.tickcnt++; - reinit_completion(&bus->watchdog_wait); - } else - break; - } - return 0; -} - -static void -brcmf_sdio_watchdog(unsigned long data) -{ - struct brcmf_sdio *bus = (struct brcmf_sdio *)data; - - if (bus->watchdog_tsk) { - complete(&bus->watchdog_wait); - /* Reschedule the watchdog */ - if (bus->wd_timer_valid) - mod_timer(&bus->timer, - jiffies + msecs_to_jiffies(BRCMF_WD_POLL_MS)); - } -} - -static struct brcmf_bus_ops brcmf_sdio_bus_ops = { - .stop = brcmf_sdio_bus_stop, - .preinit = brcmf_sdio_bus_preinit, - .txdata = brcmf_sdio_bus_txdata, - .txctl = brcmf_sdio_bus_txctl, - .rxctl = brcmf_sdio_bus_rxctl, - .gettxq = brcmf_sdio_bus_gettxq, - .wowl_config = brcmf_sdio_wowl_config, - .get_ramsize = brcmf_sdio_bus_get_ramsize, - .get_memdump = brcmf_sdio_bus_get_memdump, -}; - -static void brcmf_sdio_firmware_callback(struct device *dev, - const struct firmware *code, - void *nvram, u32 nvram_len) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err = 0; - u8 saveclk; - - brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); - - if (!bus_if->drvr) - return; - - /* try to download image and nvram to the dongle */ - bus->alp_only = true; - err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); - if (err) - goto fail; - bus->alp_only = false; - - /* Start the watchdog timer */ - bus->sdcnt.tickcnt = 0; - brcmf_sdio_wd_timer(bus, BRCMF_WD_POLL_MS); - - sdio_claim_host(sdiodev->func[1]); - - /* Make sure backplane clock is on, needed to generate F2 interrupt */ - brcmf_sdio_clkctl(bus, CLK_AVAIL, false); - if (bus->clkstate != CLK_AVAIL) - goto release; - - /* Force clocks on backplane to be sure F2 interrupt propagates */ - saveclk = brcmf_sdiod_regrb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, &err); - if (!err) { - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - (saveclk | SBSDIO_FORCE_HT), &err); - } - if (err) { - brcmf_err("Failed to force clock for F2: err %d\n", err); - goto release; - } - - /* Enable function 2 (frame transfers) */ - w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT, - offsetof(struct sdpcmd_regs, tosbmailboxdata)); - err = sdio_enable_func(sdiodev->func[SDIO_FUNC_2]); - - - brcmf_dbg(INFO, "enable F2: err=%d\n", err); - - /* If F2 successfully enabled, set core and enable interrupts */ - if (!err) { - /* Set up the interrupt mask and enable interrupts */ - bus->hostintmask = HOSTINTMASK; - w_sdreg32(bus, bus->hostintmask, - offsetof(struct sdpcmd_regs, hostintmask)); - - brcmf_sdiod_regwb(sdiodev, SBSDIO_WATERMARK, 8, &err); - } else { - /* Disable F2 again */ - sdio_disable_func(sdiodev->func[SDIO_FUNC_2]); - goto release; - } - - if (brcmf_chip_sr_capable(bus->ci)) { - brcmf_sdio_sr_init(bus); - } else { - /* Restore previous clock setting */ - brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, - saveclk, &err); - } - - if (err == 0) { - err = brcmf_sdiod_intr_register(sdiodev); - if (err != 0) - brcmf_err("intr register failed:%d\n", err); - } - - /* If we didn't come up, turn off backplane clock */ - if (err != 0) - brcmf_sdio_clkctl(bus, CLK_NONE, false); - - sdio_release_host(sdiodev->func[1]); - - err = brcmf_bus_start(dev); - if (err != 0) { - brcmf_err("dongle is not responding\n"); - goto fail; - } - return; - -release: - sdio_release_host(sdiodev->func[1]); -fail: - brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err); - device_release_driver(dev); -} - -struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) -{ - int ret; - struct brcmf_sdio *bus; - struct workqueue_struct *wq; - - brcmf_dbg(TRACE, "Enter\n"); - - /* Allocate private bus interface state */ - bus = kzalloc(sizeof(struct brcmf_sdio), GFP_ATOMIC); - if (!bus) - goto fail; - - bus->sdiodev = sdiodev; - sdiodev->bus = bus; - skb_queue_head_init(&bus->glom); - bus->txbound = BRCMF_TXBOUND; - bus->rxbound = BRCMF_RXBOUND; - bus->txminmax = BRCMF_TXMINMAX; - bus->tx_seq = SDPCM_SEQ_WRAP - 1; - - /* platform specific configuration: - * alignments must be at least 4 bytes for ADMA - */ - bus->head_align = ALIGNMENT; - bus->sgentry_align = ALIGNMENT; - if (sdiodev->pdata) { - if (sdiodev->pdata->sd_head_align > ALIGNMENT) - bus->head_align = sdiodev->pdata->sd_head_align; - if (sdiodev->pdata->sd_sgentry_align > ALIGNMENT) - bus->sgentry_align = sdiodev->pdata->sd_sgentry_align; - } - - /* single-threaded workqueue */ - wq = alloc_ordered_workqueue("brcmf_wq/%s", WQ_MEM_RECLAIM, - dev_name(&sdiodev->func[1]->dev)); - if (!wq) { - brcmf_err("insufficient memory to create txworkqueue\n"); - goto fail; - } - brcmf_sdiod_freezer_count(sdiodev); - INIT_WORK(&bus->datawork, brcmf_sdio_dataworker); - bus->brcmf_wq = wq; - - /* attempt to attach to the dongle */ - if (!(brcmf_sdio_probe_attach(bus))) { - brcmf_err("brcmf_sdio_probe_attach failed\n"); - goto fail; - } - - spin_lock_init(&bus->rxctl_lock); - spin_lock_init(&bus->txq_lock); - init_waitqueue_head(&bus->ctrl_wait); - init_waitqueue_head(&bus->dcmd_resp_wait); - - /* Set up the watchdog timer */ - init_timer(&bus->timer); - bus->timer.data = (unsigned long)bus; - bus->timer.function = brcmf_sdio_watchdog; - - /* Initialize watchdog thread */ - init_completion(&bus->watchdog_wait); - bus->watchdog_tsk = kthread_run(brcmf_sdio_watchdog_thread, - bus, "brcmf_wdog/%s", - dev_name(&sdiodev->func[1]->dev)); - if (IS_ERR(bus->watchdog_tsk)) { - pr_warn("brcmf_watchdog thread failed to start\n"); - bus->watchdog_tsk = NULL; - } - /* Initialize DPC thread */ - bus->dpc_triggered = false; - bus->dpc_running = false; - - /* Assign bus interface call back */ - bus->sdiodev->bus_if->dev = bus->sdiodev->dev; - bus->sdiodev->bus_if->ops = &brcmf_sdio_bus_ops; - bus->sdiodev->bus_if->chip = bus->ci->chip; - bus->sdiodev->bus_if->chiprev = bus->ci->chiprev; - - /* default sdio bus header length for tx packet */ - bus->tx_hdrlen = SDPCM_HWHDR_LEN + SDPCM_SWHDR_LEN; - - /* Attach to the common layer, reserve hdr space */ - ret = brcmf_attach(bus->sdiodev->dev); - if (ret != 0) { - brcmf_err("brcmf_attach failed\n"); - goto fail; - } - - /* Query the F2 block size, set roundup accordingly */ - bus->blocksize = bus->sdiodev->func[2]->cur_blksize; - bus->roundup = min(max_roundup, bus->blocksize); - - /* Allocate buffers */ - if (bus->sdiodev->bus_if->maxctl) { - bus->sdiodev->bus_if->maxctl += bus->roundup; - bus->rxblen = - roundup((bus->sdiodev->bus_if->maxctl + SDPCM_HDRLEN), - ALIGNMENT) + bus->head_align; - bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC); - if (!(bus->rxbuf)) { - brcmf_err("rxbuf allocation failed\n"); - goto fail; - } - } - - sdio_claim_host(bus->sdiodev->func[1]); - - /* Disable F2 to clear any intermediate frame state on the dongle */ - sdio_disable_func(bus->sdiodev->func[SDIO_FUNC_2]); - - bus->rxflow = false; - - /* Done with backplane-dependent accesses, can drop clock... */ - brcmf_sdiod_regwb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); - - sdio_release_host(bus->sdiodev->func[1]); - - /* ...and initialize clock/power states */ - bus->clkstate = CLK_SDONLY; - bus->idletime = BRCMF_IDLE_INTERVAL; - bus->idleclock = BRCMF_IDLE_ACTIVE; - - /* SR state */ - bus->sr_enabled = false; - - brcmf_sdio_debugfs_create(bus); - brcmf_dbg(INFO, "completed!!\n"); - - ret = brcmf_sdio_get_fwnames(bus->ci, sdiodev); - if (ret) - goto fail; - - ret = brcmf_fw_get_firmwares(sdiodev->dev, BRCMF_FW_REQUEST_NVRAM, - sdiodev->fw_name, sdiodev->nvram_name, - brcmf_sdio_firmware_callback); - if (ret != 0) { - brcmf_err("async firmware request failed: %d\n", ret); - goto fail; - } - - return bus; - -fail: - brcmf_sdio_remove(bus); - return NULL; -} - -/* Detach and free everything */ -void brcmf_sdio_remove(struct brcmf_sdio *bus) -{ - brcmf_dbg(TRACE, "Enter\n"); - - if (bus) { - /* De-register interrupt handler */ - brcmf_sdiod_intr_unregister(bus->sdiodev); - - brcmf_detach(bus->sdiodev->dev); - - cancel_work_sync(&bus->datawork); - if (bus->brcmf_wq) - destroy_workqueue(bus->brcmf_wq); - - if (bus->ci) { - if (bus->sdiodev->state != BRCMF_SDIOD_NOMEDIUM) { - sdio_claim_host(bus->sdiodev->func[1]); - brcmf_sdio_wd_timer(bus, 0); - brcmf_sdio_clkctl(bus, CLK_AVAIL, false); - /* Leave the device in state where it is - * 'passive'. This is done by resetting all - * necessary cores. - */ - msleep(20); - brcmf_chip_set_passive(bus->ci); - brcmf_sdio_clkctl(bus, CLK_NONE, false); - sdio_release_host(bus->sdiodev->func[1]); - } - brcmf_chip_detach(bus->ci); - } - - kfree(bus->rxbuf); - kfree(bus->hdrbuf); - kfree(bus); - } - - brcmf_dbg(TRACE, "Disconnected\n"); -} - -void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick) -{ - /* Totally stop the timer */ - if (!wdtick && bus->wd_timer_valid) { - del_timer_sync(&bus->timer); - bus->wd_timer_valid = false; - bus->save_ms = wdtick; - return; - } - - /* don't start the wd until fw is loaded */ - if (bus->sdiodev->state != BRCMF_SDIOD_DATA) - return; - - if (wdtick) { - if (bus->save_ms != BRCMF_WD_POLL_MS) { - if (bus->wd_timer_valid) - /* Stop timer and restart at new value */ - del_timer_sync(&bus->timer); - - /* Create timer again when watchdog period is - dynamically changed or in the first instance - */ - bus->timer.expires = - jiffies + msecs_to_jiffies(BRCMF_WD_POLL_MS); - add_timer(&bus->timer); - - } else { - /* Re arm the timer, at last watchdog period */ - mod_timer(&bus->timer, - jiffies + msecs_to_jiffies(BRCMF_WD_POLL_MS)); - } - - bus->wd_timer_valid = true; - bus->save_ms = wdtick; - } -} - -int brcmf_sdio_sleep(struct brcmf_sdio *bus, bool sleep) -{ - int ret; - - sdio_claim_host(bus->sdiodev->func[1]); - ret = brcmf_sdio_bus_sleep(bus, sleep, false); - sdio_release_host(bus->sdiodev->func[1]); - - return ret; -} - diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio.h deleted file mode 100644 index 7328478b2d7b..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.h +++ /dev/null @@ -1,377 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef BRCMFMAC_SDIO_H -#define BRCMFMAC_SDIO_H - -#include <linux/skbuff.h> -#include <linux/firmware.h> -#include "firmware.h" - -#define SDIO_FUNC_0 0 -#define SDIO_FUNC_1 1 -#define SDIO_FUNC_2 2 - -#define SDIOD_FBR_SIZE 0x100 - -/* io_en */ -#define SDIO_FUNC_ENABLE_1 0x02 -#define SDIO_FUNC_ENABLE_2 0x04 - -/* io_rdys */ -#define SDIO_FUNC_READY_1 0x02 -#define SDIO_FUNC_READY_2 0x04 - -/* intr_status */ -#define INTR_STATUS_FUNC1 0x2 -#define INTR_STATUS_FUNC2 0x4 - -/* Maximum number of I/O funcs */ -#define SDIOD_MAX_IOFUNCS 7 - -/* mask of register map */ -#define REG_F0_REG_MASK 0x7FF -#define REG_F1_MISC_MASK 0x1FFFF - -/* as of sdiod rev 0, supports 3 functions */ -#define SBSDIO_NUM_FUNCTION 3 - -/* function 0 vendor specific CCCR registers */ -#define SDIO_CCCR_BRCM_CARDCAP 0xf0 -#define SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT 0x02 -#define SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT 0x04 -#define SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC 0x08 -#define SDIO_CCCR_BRCM_CARDCTRL 0xf1 -#define SDIO_CCCR_BRCM_CARDCTRL_WLANRESET 0x02 -#define SDIO_CCCR_BRCM_SEPINT 0xf2 - -#define SDIO_SEPINT_MASK 0x01 -#define SDIO_SEPINT_OE 0x02 -#define SDIO_SEPINT_ACT_HI 0x04 - -/* function 1 miscellaneous registers */ - -/* sprom command and status */ -#define SBSDIO_SPROM_CS 0x10000 -/* sprom info register */ -#define SBSDIO_SPROM_INFO 0x10001 -/* sprom indirect access data byte 0 */ -#define SBSDIO_SPROM_DATA_LOW 0x10002 -/* sprom indirect access data byte 1 */ -#define SBSDIO_SPROM_DATA_HIGH 0x10003 -/* sprom indirect access addr byte 0 */ -#define SBSDIO_SPROM_ADDR_LOW 0x10004 -/* gpio select */ -#define SBSDIO_GPIO_SELECT 0x10005 -/* gpio output */ -#define SBSDIO_GPIO_OUT 0x10006 -/* gpio enable */ -#define SBSDIO_GPIO_EN 0x10007 -/* rev < 7, watermark for sdio device */ -#define SBSDIO_WATERMARK 0x10008 -/* control busy signal generation */ -#define SBSDIO_DEVICE_CTL 0x10009 - -/* SB Address Window Low (b15) */ -#define SBSDIO_FUNC1_SBADDRLOW 0x1000A -/* SB Address Window Mid (b23:b16) */ -#define SBSDIO_FUNC1_SBADDRMID 0x1000B -/* SB Address Window High (b31:b24) */ -#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C -/* Frame Control (frame term/abort) */ -#define SBSDIO_FUNC1_FRAMECTRL 0x1000D -/* ChipClockCSR (ALP/HT ctl/status) */ -#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E -/* SdioPullUp (on cmd, d0-d2) */ -#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F -/* Write Frame Byte Count Low */ -#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019 -/* Write Frame Byte Count High */ -#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A -/* Read Frame Byte Count Low */ -#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B -/* Read Frame Byte Count High */ -#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C -/* MesBusyCtl (rev 11) */ -#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D -/* Sdio Core Rev 12 */ -#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E -#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1 -#define SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT 0 -#define SBSDIO_FUNC1_WCTRL_HTWAIT_MASK 0x2 -#define SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT 1 -#define SBSDIO_FUNC1_SLEEPCSR 0x1001F -#define SBSDIO_FUNC1_SLEEPCSR_KSO_MASK 0x1 -#define SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT 0 -#define SBSDIO_FUNC1_SLEEPCSR_KSO_EN 1 -#define SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK 0x2 -#define SBSDIO_FUNC1_SLEEPCSR_DEVON_SHIFT 1 - -#define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */ -#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001F /* f1 misc register end */ - -/* function 1 OCP space */ - -/* sb offset addr is <= 15 bits, 32k */ -#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF -#define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000 -/* with b15, maps to 32-bit SB access */ -#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000 - -/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */ - -#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */ -#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */ -#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */ -/* Address bits from SBADDR regs */ -#define SBSDIO_SBWINDOW_MASK 0xffff8000 - -#define SDIOH_READ 0 /* Read request */ -#define SDIOH_WRITE 1 /* Write request */ - -#define SDIOH_DATA_FIX 0 /* Fixed addressing */ -#define SDIOH_DATA_INC 1 /* Incremental addressing */ - -/* internal return code */ -#define SUCCESS 0 -#define ERROR 1 - -/* Packet alignment for most efficient SDIO (can change based on platform) */ -#define BRCMF_SDALIGN (1 << 6) - -/* watchdog polling interval in ms */ -#define BRCMF_WD_POLL_MS 10 - -/** - * enum brcmf_sdiod_state - the state of the bus. - * - * @BRCMF_SDIOD_DOWN: Device can be accessed, no DPC. - * @BRCMF_SDIOD_DATA: Ready for data transfers, DPC enabled. - * @BRCMF_SDIOD_NOMEDIUM: No medium access to dongle possible. - */ -enum brcmf_sdiod_state { - BRCMF_SDIOD_DOWN, - BRCMF_SDIOD_DATA, - BRCMF_SDIOD_NOMEDIUM -}; - -struct brcmf_sdreg { - int func; - int offset; - int value; -}; - -struct brcmf_sdio; -struct brcmf_sdiod_freezer; - -struct brcmf_sdio_dev { - struct sdio_func *func[SDIO_MAX_FUNCS]; - u8 num_funcs; /* Supported funcs on client */ - u32 sbwad; /* Save backplane window address */ - struct brcmf_sdio *bus; - struct device *dev; - struct brcmf_bus *bus_if; - struct brcmfmac_sdio_platform_data *pdata; - bool oob_irq_requested; - bool irq_en; /* irq enable flags */ - spinlock_t irq_en_lock; - bool irq_wake; /* irq wake enable flags */ - bool sg_support; - uint max_request_size; - ushort max_segment_count; - uint max_segment_size; - uint txglomsz; - struct sg_table sgtable; - char fw_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; - char nvram_name[BRCMF_FW_PATH_LEN + BRCMF_FW_NAME_LEN]; - bool wowl_enabled; - enum brcmf_sdiod_state state; - struct brcmf_sdiod_freezer *freezer; -}; - -/* sdio core registers */ -struct sdpcmd_regs { - u32 corecontrol; /* 0x00, rev8 */ - u32 corestatus; /* rev8 */ - u32 PAD[1]; - u32 biststatus; /* rev8 */ - - /* PCMCIA access */ - u16 pcmciamesportaladdr; /* 0x010, rev8 */ - u16 PAD[1]; - u16 pcmciamesportalmask; /* rev8 */ - u16 PAD[1]; - u16 pcmciawrframebc; /* rev8 */ - u16 PAD[1]; - u16 pcmciaunderflowtimer; /* rev8 */ - u16 PAD[1]; - - /* interrupt */ - u32 intstatus; /* 0x020, rev8 */ - u32 hostintmask; /* rev8 */ - u32 intmask; /* rev8 */ - u32 sbintstatus; /* rev8 */ - u32 sbintmask; /* rev8 */ - u32 funcintmask; /* rev4 */ - u32 PAD[2]; - u32 tosbmailbox; /* 0x040, rev8 */ - u32 tohostmailbox; /* rev8 */ - u32 tosbmailboxdata; /* rev8 */ - u32 tohostmailboxdata; /* rev8 */ - - /* synchronized access to registers in SDIO clock domain */ - u32 sdioaccess; /* 0x050, rev8 */ - u32 PAD[3]; - - /* PCMCIA frame control */ - u8 pcmciaframectrl; /* 0x060, rev8 */ - u8 PAD[3]; - u8 pcmciawatermark; /* rev8 */ - u8 PAD[155]; - - /* interrupt batching control */ - u32 intrcvlazy; /* 0x100, rev8 */ - u32 PAD[3]; - - /* counters */ - u32 cmd52rd; /* 0x110, rev8 */ - u32 cmd52wr; /* rev8 */ - u32 cmd53rd; /* rev8 */ - u32 cmd53wr; /* rev8 */ - u32 abort; /* rev8 */ - u32 datacrcerror; /* rev8 */ - u32 rdoutofsync; /* rev8 */ - u32 wroutofsync; /* rev8 */ - u32 writebusy; /* rev8 */ - u32 readwait; /* rev8 */ - u32 readterm; /* rev8 */ - u32 writeterm; /* rev8 */ - u32 PAD[40]; - u32 clockctlstatus; /* rev8 */ - u32 PAD[7]; - - u32 PAD[128]; /* DMA engines */ - - /* SDIO/PCMCIA CIS region */ - char cis[512]; /* 0x400-0x5ff, rev6 */ - - /* PCMCIA function control registers */ - char pcmciafcr[256]; /* 0x600-6ff, rev6 */ - u16 PAD[55]; - - /* PCMCIA backplane access */ - u16 backplanecsr; /* 0x76E, rev6 */ - u16 backplaneaddr0; /* rev6 */ - u16 backplaneaddr1; /* rev6 */ - u16 backplaneaddr2; /* rev6 */ - u16 backplaneaddr3; /* rev6 */ - u16 backplanedata0; /* rev6 */ - u16 backplanedata1; /* rev6 */ - u16 backplanedata2; /* rev6 */ - u16 backplanedata3; /* rev6 */ - u16 PAD[31]; - - /* sprom "size" & "blank" info */ - u16 spromstatus; /* 0x7BE, rev2 */ - u32 PAD[464]; - - u16 PAD[0x80]; -}; - -/* Register/deregister interrupt handler. */ -int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev); -int brcmf_sdiod_intr_unregister(struct brcmf_sdio_dev *sdiodev); - -/* sdio device register access interface */ -u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); -u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret); -void brcmf_sdiod_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr, u8 data, - int *ret); -void brcmf_sdiod_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr, u32 data, - int *ret); - -/* Buffer transfer to/from device (client) core via cmd53. - * fn: function number - * flags: backplane width, address increment, sync/async - * buf: pointer to memory data buffer - * nbytes: number of bytes to transfer to/from buf - * pkt: pointer to packet associated with buf (if any) - * complete: callback function for command completion (async only) - * handle: handle for completion callback (first arg in callback) - * Returns 0 or error code. - * NOTE: Async operation is not currently supported. - */ -int brcmf_sdiod_send_pkt(struct brcmf_sdio_dev *sdiodev, - struct sk_buff_head *pktq); -int brcmf_sdiod_send_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); - -int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt); -int brcmf_sdiod_recv_buf(struct brcmf_sdio_dev *sdiodev, u8 *buf, uint nbytes); -int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, - struct sk_buff_head *pktq, uint totlen); - -/* Flags bits */ - -/* Four-byte target (backplane) width (vs. two-byte) */ -#define SDIO_REQ_4BYTE 0x1 -/* Fixed address (FIFO) (vs. incrementing address) */ -#define SDIO_REQ_FIXED 0x2 - -/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only). - * rw: read or write (0/1) - * addr: direct SDIO address - * buf: pointer to memory data buffer - * nbytes: number of bytes to transfer to/from buf - * Returns 0 or error code. - */ -int brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, - u8 *data, uint size); - -/* Issue an abort to the specified function */ -int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); -void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, - enum brcmf_sdiod_state state); -#ifdef CONFIG_PM_SLEEP -bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev); -void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev); -void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev); -void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev); -#else -static inline bool brcmf_sdiod_freezing(struct brcmf_sdio_dev *sdiodev) -{ - return false; -} -static inline void brcmf_sdiod_try_freeze(struct brcmf_sdio_dev *sdiodev) -{ -} -static inline void brcmf_sdiod_freezer_count(struct brcmf_sdio_dev *sdiodev) -{ -} -static inline void brcmf_sdiod_freezer_uncount(struct brcmf_sdio_dev *sdiodev) -{ -} -#endif /* CONFIG_PM_SLEEP */ - -struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev); -void brcmf_sdio_remove(struct brcmf_sdio *bus); -void brcmf_sdio_isr(struct brcmf_sdio *bus); - -void brcmf_sdio_wd_timer(struct brcmf_sdio *bus, uint wdtick); -void brcmf_sdio_wowl_config(struct device *dev, bool enabled); -int brcmf_sdio_sleep(struct brcmf_sdio *bus, bool sleep); -void brcmf_sdio_trigger_dpc(struct brcmf_sdio *bus); - -#endif /* BRCMFMAC_SDIO_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c deleted file mode 100644 index a10f35c5eb3d..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (c) 2012 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/module.h> /* bug in tracepoint.h, it should include this */ - -#ifndef __CHECKER__ -#define CREATE_TRACE_POINTS -#include "tracepoint.h" - -void __brcmf_err(const char *func, const char *fmt, ...) -{ - struct va_format vaf = { - .fmt = fmt, - }; - va_list args; - - va_start(args, fmt); - vaf.va = &args; - pr_err("%s: %pV", func, &vaf); - trace_brcmf_err(func, &vaf); - va_end(args); -} - -#endif diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h deleted file mode 100644 index 4d7d51f95716..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Copyright (c) 2013 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ) -#define BRCMF_TRACEPOINT_H_ - -#include <linux/types.h> -#include <linux/tracepoint.h> - -#ifndef CONFIG_BRCM_TRACING - -#undef TRACE_EVENT -#define TRACE_EVENT(name, proto, ...) \ -static inline void trace_ ## name(proto) {} - -#undef DECLARE_EVENT_CLASS -#define DECLARE_EVENT_CLASS(...) - -#undef DEFINE_EVENT -#define DEFINE_EVENT(evt_class, name, proto, ...) \ -static inline void trace_ ## name(proto) {} - -#endif /* CONFIG_BRCM_TRACING */ - -#undef TRACE_SYSTEM -#define TRACE_SYSTEM brcmfmac - -#define MAX_MSG_LEN 100 - -TRACE_EVENT(brcmf_err, - TP_PROTO(const char *func, struct va_format *vaf), - TP_ARGS(func, vaf), - TP_STRUCT__entry( - __string(func, func) - __dynamic_array(char, msg, MAX_MSG_LEN) - ), - TP_fast_assign( - __assign_str(func, func); - WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), - MAX_MSG_LEN, vaf->fmt, - *vaf->va) >= MAX_MSG_LEN); - ), - TP_printk("%s: %s", __get_str(func), __get_str(msg)) -); - -TRACE_EVENT(brcmf_dbg, - TP_PROTO(u32 level, const char *func, struct va_format *vaf), - TP_ARGS(level, func, vaf), - TP_STRUCT__entry( - __field(u32, level) - __string(func, func) - __dynamic_array(char, msg, MAX_MSG_LEN) - ), - TP_fast_assign( - __entry->level = level; - __assign_str(func, func); - WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), - MAX_MSG_LEN, vaf->fmt, - *vaf->va) >= MAX_MSG_LEN); - ), - TP_printk("%s: %s", __get_str(func), __get_str(msg)) -); - -TRACE_EVENT(brcmf_hexdump, - TP_PROTO(void *data, size_t len), - TP_ARGS(data, len), - TP_STRUCT__entry( - __field(unsigned long, len) - __field(unsigned long, addr) - __dynamic_array(u8, hdata, len) - ), - TP_fast_assign( - __entry->len = len; - __entry->addr = (unsigned long)data; - memcpy(__get_dynamic_array(hdata), data, len); - ), - TP_printk("hexdump [addr=%lx, length=%lu]", __entry->addr, __entry->len) -); - -TRACE_EVENT(brcmf_bcdchdr, - TP_PROTO(void *data), - TP_ARGS(data), - TP_STRUCT__entry( - __field(u8, flags) - __field(u8, prio) - __field(u8, flags2) - __field(u32, siglen) - __dynamic_array(u8, signal, *((u8 *)data + 3) * 4) - ), - TP_fast_assign( - __entry->flags = *(u8 *)data; - __entry->prio = *((u8 *)data + 1); - __entry->flags2 = *((u8 *)data + 2); - __entry->siglen = *((u8 *)data + 3) * 4; - memcpy(__get_dynamic_array(signal), - (u8 *)data + 4, __entry->siglen); - ), - TP_printk("bcdc: prio=%d siglen=%d", __entry->prio, __entry->siglen) -); - -#ifndef SDPCM_RX -#define SDPCM_RX 0 -#endif -#ifndef SDPCM_TX -#define SDPCM_TX 1 -#endif -#ifndef SDPCM_GLOM -#define SDPCM_GLOM 2 -#endif - -TRACE_EVENT(brcmf_sdpcm_hdr, - TP_PROTO(u8 dir, void *data), - TP_ARGS(dir, data), - TP_STRUCT__entry( - __field(u8, dir) - __field(u16, len) - __dynamic_array(u8, hdr, dir == SDPCM_GLOM ? 20 : 12) - ), - TP_fast_assign( - memcpy(__get_dynamic_array(hdr), data, dir == SDPCM_GLOM ? 20 : 12); - __entry->len = *(u8 *)data | (*((u8 *)data + 1) << 8); - __entry->dir = dir; - ), - TP_printk("sdpcm: %s len %u, seq %d", - __entry->dir == SDPCM_RX ? "RX" : "TX", - __entry->len, ((u8 *)__get_dynamic_array(hdr))[4]) -); - -#ifdef CONFIG_BRCM_TRACING - -#undef TRACE_INCLUDE_PATH -#define TRACE_INCLUDE_PATH . -#undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_FILE tracepoint - -#include <trace/define_trace.h> - -#endif /* CONFIG_BRCM_TRACING */ - -#endif /* BRCMF_TRACEPOINT_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c deleted file mode 100644 index 689e64d004bc..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ /dev/null @@ -1,1535 +0,0 @@ -/* - * Copyright (c) 2011 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/firmware.h> -#include <linux/usb.h> -#include <linux/vmalloc.h> - -#include <brcmu_utils.h> -#include <brcm_hw_ids.h> -#include <brcmu_wifi.h> -#include "bus.h" -#include "debug.h" -#include "firmware.h" -#include "usb.h" - - -#define IOCTL_RESP_TIMEOUT 2000 - -#define BRCMF_USB_RESET_GETVER_SPINWAIT 100 /* in unit of ms */ -#define BRCMF_USB_RESET_GETVER_LOOP_CNT 10 - -#define BRCMF_POSTBOOT_ID 0xA123 /* ID to detect if dongle - has boot up */ -#define BRCMF_USB_NRXQ 50 -#define BRCMF_USB_NTXQ 50 - -#define BRCMF_USB_CBCTL_WRITE 0 -#define BRCMF_USB_CBCTL_READ 1 -#define BRCMF_USB_MAX_PKT_SIZE 1600 - -#define BRCMF_USB_43143_FW_NAME "brcm/brcmfmac43143.bin" -#define BRCMF_USB_43236_FW_NAME "brcm/brcmfmac43236b.bin" -#define BRCMF_USB_43242_FW_NAME "brcm/brcmfmac43242a.bin" -#define BRCMF_USB_43569_FW_NAME "brcm/brcmfmac43569.bin" - -#define TRX_MAGIC 0x30524448 /* "HDR0" */ -#define TRX_MAX_OFFSET 3 /* Max number of file offsets */ -#define TRX_UNCOMP_IMAGE 0x20 /* Trx holds uncompressed img */ -#define TRX_RDL_CHUNK 1500 /* size of each dl transfer */ -#define TRX_OFFSETS_DLFWLEN_IDX 0 - -/* Control messages: bRequest values */ -#define DL_GETSTATE 0 /* returns the rdl_state_t struct */ -#define DL_CHECK_CRC 1 /* currently unused */ -#define DL_GO 2 /* execute downloaded image */ -#define DL_START 3 /* initialize dl state */ -#define DL_REBOOT 4 /* reboot the device in 2 seconds */ -#define DL_GETVER 5 /* returns the bootrom_id_t struct */ -#define DL_GO_PROTECTED 6 /* execute the downloaded code and set reset - * event to occur in 2 seconds. It is the - * responsibility of the downloaded code to - * clear this event - */ -#define DL_EXEC 7 /* jump to a supplied address */ -#define DL_RESETCFG 8 /* To support single enum on dongle - * - Not used by bootloader - */ -#define DL_DEFER_RESP_OK 9 /* Potentially defer the response to setup - * if resp unavailable - */ - -/* states */ -#define DL_WAITING 0 /* waiting to rx first pkt */ -#define DL_READY 1 /* hdr was good, waiting for more of the - * compressed image - */ -#define DL_BAD_HDR 2 /* hdr was corrupted */ -#define DL_BAD_CRC 3 /* compressed image was corrupted */ -#define DL_RUNNABLE 4 /* download was successful,waiting for go cmd */ -#define DL_START_FAIL 5 /* failed to initialize correctly */ -#define DL_NVRAM_TOOBIG 6 /* host specified nvram data exceeds DL_NVRAM - * value - */ -#define DL_IMAGE_TOOBIG 7 /* firmware image too big */ - - -struct trx_header_le { - __le32 magic; /* "HDR0" */ - __le32 len; /* Length of file including header */ - __le32 crc32; /* CRC from flag_version to end of file */ - __le32 flag_version; /* 0:15 flags, 16:31 version */ - __le32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of - * header - */ -}; - -struct rdl_state_le { - __le32 state; - __le32 bytes; -}; - -struct bootrom_id_le { - __le32 chip; /* Chip id */ - __le32 chiprev; /* Chip rev */ - __le32 ramsize; /* Size of RAM */ - __le32 remapbase; /* Current remap base address */ - __le32 boardtype; /* Type of board */ - __le32 boardrev; /* Board revision */ -}; - -struct brcmf_usb_image { - struct list_head list; - s8 *fwname; - u8 *image; - int image_len; -}; - -struct brcmf_usbdev_info { - struct brcmf_usbdev bus_pub; /* MUST BE FIRST */ - spinlock_t qlock; - struct list_head rx_freeq; - struct list_head rx_postq; - struct list_head tx_freeq; - struct list_head tx_postq; - uint rx_pipe, tx_pipe; - - int rx_low_watermark; - int tx_low_watermark; - int tx_high_watermark; - int tx_freecount; - bool tx_flowblock; - spinlock_t tx_flowblock_lock; - - struct brcmf_usbreq *tx_reqs; - struct brcmf_usbreq *rx_reqs; - - const u8 *image; /* buffer for combine fw and nvram */ - int image_len; - - struct usb_device *usbdev; - struct device *dev; - struct mutex dev_init_lock; - - int ctl_in_pipe, ctl_out_pipe; - struct urb *ctl_urb; /* URB for control endpoint */ - struct usb_ctrlrequest ctl_write; - struct usb_ctrlrequest ctl_read; - u32 ctl_urb_actual_length; - int ctl_urb_status; - int ctl_completed; - wait_queue_head_t ioctl_resp_wait; - ulong ctl_op; - u8 ifnum; - - struct urb *bulk_urb; /* used for FW download */ - - bool wowl_enabled; -}; - -static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req); - -static struct brcmf_usbdev *brcmf_usb_get_buspub(struct device *dev) -{ - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - return bus_if->bus_priv.usb; -} - -static struct brcmf_usbdev_info *brcmf_usb_get_businfo(struct device *dev) -{ - return brcmf_usb_get_buspub(dev)->devinfo; -} - -static int brcmf_usb_ioctl_resp_wait(struct brcmf_usbdev_info *devinfo) -{ - return wait_event_timeout(devinfo->ioctl_resp_wait, - devinfo->ctl_completed, - msecs_to_jiffies(IOCTL_RESP_TIMEOUT)); -} - -static void brcmf_usb_ioctl_resp_wake(struct brcmf_usbdev_info *devinfo) -{ - if (waitqueue_active(&devinfo->ioctl_resp_wait)) - wake_up(&devinfo->ioctl_resp_wait); -} - -static void -brcmf_usb_ctl_complete(struct brcmf_usbdev_info *devinfo, int type, int status) -{ - brcmf_dbg(USB, "Enter, status=%d\n", status); - - if (unlikely(devinfo == NULL)) - return; - - if (type == BRCMF_USB_CBCTL_READ) { - if (status == 0) - devinfo->bus_pub.stats.rx_ctlpkts++; - else - devinfo->bus_pub.stats.rx_ctlerrs++; - } else if (type == BRCMF_USB_CBCTL_WRITE) { - if (status == 0) - devinfo->bus_pub.stats.tx_ctlpkts++; - else - devinfo->bus_pub.stats.tx_ctlerrs++; - } - - devinfo->ctl_urb_status = status; - devinfo->ctl_completed = true; - brcmf_usb_ioctl_resp_wake(devinfo); -} - -static void -brcmf_usb_ctlread_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - brcmf_dbg(USB, "Enter\n"); - devinfo->ctl_urb_actual_length = urb->actual_length; - brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_READ, - urb->status); -} - -static void -brcmf_usb_ctlwrite_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - brcmf_dbg(USB, "Enter\n"); - brcmf_usb_ctl_complete(devinfo, BRCMF_USB_CBCTL_WRITE, - urb->status); -} - -static int -brcmf_usb_send_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) -{ - int ret; - u16 size; - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL || buf == NULL || - len == 0 || devinfo->ctl_urb == NULL) - return -EINVAL; - - size = len; - devinfo->ctl_write.wLength = cpu_to_le16p(&size); - devinfo->ctl_urb->transfer_buffer_length = size; - devinfo->ctl_urb_status = 0; - devinfo->ctl_urb_actual_length = 0; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - devinfo->ctl_out_pipe, - (unsigned char *) &devinfo->ctl_write, - buf, size, - (usb_complete_t)brcmf_usb_ctlwrite_complete, - devinfo); - - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) - brcmf_err("usb_submit_urb failed %d\n", ret); - - return ret; -} - -static int -brcmf_usb_recv_ctl(struct brcmf_usbdev_info *devinfo, u8 *buf, int len) -{ - int ret; - u16 size; - - brcmf_dbg(USB, "Enter\n"); - if ((devinfo == NULL) || (buf == NULL) || (len == 0) - || (devinfo->ctl_urb == NULL)) - return -EINVAL; - - size = len; - devinfo->ctl_read.wLength = cpu_to_le16p(&size); - devinfo->ctl_urb->transfer_buffer_length = size; - - devinfo->ctl_read.bRequestType = USB_DIR_IN - | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = 1; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - devinfo->ctl_in_pipe, - (unsigned char *) &devinfo->ctl_read, - buf, size, - (usb_complete_t)brcmf_usb_ctlread_complete, - devinfo); - - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) - brcmf_err("usb_submit_urb failed %d\n", ret); - - return ret; -} - -static int brcmf_usb_tx_ctlpkt(struct device *dev, u8 *buf, u32 len) -{ - int err = 0; - int timeout = 0; - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) - return -EIO; - - if (test_and_set_bit(0, &devinfo->ctl_op)) - return -EIO; - - devinfo->ctl_completed = false; - err = brcmf_usb_send_ctl(devinfo, buf, len); - if (err) { - brcmf_err("fail %d bytes: %d\n", err, len); - clear_bit(0, &devinfo->ctl_op); - return err; - } - timeout = brcmf_usb_ioctl_resp_wait(devinfo); - clear_bit(0, &devinfo->ctl_op); - if (!timeout) { - brcmf_err("Txctl wait timed out\n"); - err = -EIO; - } - return err; -} - -static int brcmf_usb_rx_ctlpkt(struct device *dev, u8 *buf, u32 len) -{ - int err = 0; - int timeout = 0; - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) - return -EIO; - - if (test_and_set_bit(0, &devinfo->ctl_op)) - return -EIO; - - devinfo->ctl_completed = false; - err = brcmf_usb_recv_ctl(devinfo, buf, len); - if (err) { - brcmf_err("fail %d bytes: %d\n", err, len); - clear_bit(0, &devinfo->ctl_op); - return err; - } - timeout = brcmf_usb_ioctl_resp_wait(devinfo); - err = devinfo->ctl_urb_status; - clear_bit(0, &devinfo->ctl_op); - if (!timeout) { - brcmf_err("rxctl wait timed out\n"); - err = -EIO; - } - if (!err) - return devinfo->ctl_urb_actual_length; - else - return err; -} - -static struct brcmf_usbreq *brcmf_usb_deq(struct brcmf_usbdev_info *devinfo, - struct list_head *q, int *counter) -{ - unsigned long flags; - struct brcmf_usbreq *req; - spin_lock_irqsave(&devinfo->qlock, flags); - if (list_empty(q)) { - spin_unlock_irqrestore(&devinfo->qlock, flags); - return NULL; - } - req = list_entry(q->next, struct brcmf_usbreq, list); - list_del_init(q->next); - if (counter) - (*counter)--; - spin_unlock_irqrestore(&devinfo->qlock, flags); - return req; - -} - -static void brcmf_usb_enq(struct brcmf_usbdev_info *devinfo, - struct list_head *q, struct brcmf_usbreq *req, - int *counter) -{ - unsigned long flags; - spin_lock_irqsave(&devinfo->qlock, flags); - list_add_tail(&req->list, q); - if (counter) - (*counter)++; - spin_unlock_irqrestore(&devinfo->qlock, flags); -} - -static struct brcmf_usbreq * -brcmf_usbdev_qinit(struct list_head *q, int qsize) -{ - int i; - struct brcmf_usbreq *req, *reqs; - - reqs = kcalloc(qsize, sizeof(struct brcmf_usbreq), GFP_ATOMIC); - if (reqs == NULL) - return NULL; - - req = reqs; - - for (i = 0; i < qsize; i++) { - req->urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!req->urb) - goto fail; - - INIT_LIST_HEAD(&req->list); - list_add_tail(&req->list, q); - req++; - } - return reqs; -fail: - brcmf_err("fail!\n"); - while (!list_empty(q)) { - req = list_entry(q->next, struct brcmf_usbreq, list); - if (req) - usb_free_urb(req->urb); - list_del(q->next); - } - return NULL; - -} - -static void brcmf_usb_free_q(struct list_head *q, bool pending) -{ - struct brcmf_usbreq *req, *next; - int i = 0; - list_for_each_entry_safe(req, next, q, list) { - if (!req->urb) { - brcmf_err("bad req\n"); - break; - } - i++; - if (pending) { - usb_kill_urb(req->urb); - } else { - usb_free_urb(req->urb); - list_del_init(&req->list); - } - } -} - -static void brcmf_usb_del_fromq(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req) -{ - unsigned long flags; - - spin_lock_irqsave(&devinfo->qlock, flags); - list_del_init(&req->list); - spin_unlock_irqrestore(&devinfo->qlock, flags); -} - - -static void brcmf_usb_tx_complete(struct urb *urb) -{ - struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; - struct brcmf_usbdev_info *devinfo = req->devinfo; - unsigned long flags; - - brcmf_dbg(USB, "Enter, urb->status=%d, skb=%p\n", urb->status, - req->skb); - brcmf_usb_del_fromq(devinfo, req); - - brcmf_txcomplete(devinfo->dev, req->skb, urb->status == 0); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, &devinfo->tx_freecount); - spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); - if (devinfo->tx_freecount > devinfo->tx_high_watermark && - devinfo->tx_flowblock) { - brcmf_txflowblock(devinfo->dev, false); - devinfo->tx_flowblock = false; - } - spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); -} - -static void brcmf_usb_rx_complete(struct urb *urb) -{ - struct brcmf_usbreq *req = (struct brcmf_usbreq *)urb->context; - struct brcmf_usbdev_info *devinfo = req->devinfo; - struct sk_buff *skb; - - brcmf_dbg(USB, "Enter, urb->status=%d\n", urb->status); - brcmf_usb_del_fromq(devinfo, req); - skb = req->skb; - req->skb = NULL; - - /* zero lenght packets indicate usb "failure". Do not refill */ - if (urb->status != 0 || !urb->actual_length) { - brcmu_pkt_buf_free_skb(skb); - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - return; - } - - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) { - skb_put(skb, urb->actual_length); - brcmf_rx_frame(devinfo->dev, skb); - brcmf_usb_rx_refill(devinfo, req); - } else { - brcmu_pkt_buf_free_skb(skb); - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - } - return; - -} - -static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, - struct brcmf_usbreq *req) -{ - struct sk_buff *skb; - int ret; - - if (!req || !devinfo) - return; - - skb = dev_alloc_skb(devinfo->bus_pub.bus_mtu); - if (!skb) { - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - return; - } - req->skb = skb; - - usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, - skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, - req); - req->devinfo = devinfo; - brcmf_usb_enq(devinfo, &devinfo->rx_postq, req, NULL); - - ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (ret) { - brcmf_usb_del_fromq(devinfo, req); - brcmu_pkt_buf_free_skb(req->skb); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req, NULL); - } - return; -} - -static void brcmf_usb_rx_fill_all(struct brcmf_usbdev_info *devinfo) -{ - struct brcmf_usbreq *req; - - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { - brcmf_err("bus is not up=%d\n", devinfo->bus_pub.state); - return; - } - while ((req = brcmf_usb_deq(devinfo, &devinfo->rx_freeq, NULL)) != NULL) - brcmf_usb_rx_refill(devinfo, req); -} - -static void -brcmf_usb_state_change(struct brcmf_usbdev_info *devinfo, int state) -{ - struct brcmf_bus *bcmf_bus = devinfo->bus_pub.bus; - int old_state; - - brcmf_dbg(USB, "Enter, current state=%d, new state=%d\n", - devinfo->bus_pub.state, state); - - if (devinfo->bus_pub.state == state) - return; - - old_state = devinfo->bus_pub.state; - devinfo->bus_pub.state = state; - - /* update state of upper layer */ - if (state == BRCMFMAC_USB_STATE_DOWN) { - brcmf_dbg(USB, "DBUS is down\n"); - brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_DOWN); - } else if (state == BRCMFMAC_USB_STATE_UP) { - brcmf_dbg(USB, "DBUS is up\n"); - brcmf_bus_change_state(bcmf_bus, BRCMF_BUS_UP); - } else { - brcmf_dbg(USB, "DBUS current state=%d\n", state); - } -} - -static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - struct brcmf_usbreq *req; - int ret; - unsigned long flags; - - brcmf_dbg(USB, "Enter, skb=%p\n", skb); - if (devinfo->bus_pub.state != BRCMFMAC_USB_STATE_UP) { - ret = -EIO; - goto fail; - } - - req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq, - &devinfo->tx_freecount); - if (!req) { - brcmf_err("no req to send\n"); - ret = -ENOMEM; - goto fail; - } - - req->skb = skb; - req->devinfo = devinfo; - usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, - skb->data, skb->len, brcmf_usb_tx_complete, req); - req->urb->transfer_flags |= URB_ZERO_PACKET; - brcmf_usb_enq(devinfo, &devinfo->tx_postq, req, NULL); - ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (ret) { - brcmf_err("brcmf_usb_tx usb_submit_urb FAILED\n"); - brcmf_usb_del_fromq(devinfo, req); - req->skb = NULL; - brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req, - &devinfo->tx_freecount); - goto fail; - } - - spin_lock_irqsave(&devinfo->tx_flowblock_lock, flags); - if (devinfo->tx_freecount < devinfo->tx_low_watermark && - !devinfo->tx_flowblock) { - brcmf_txflowblock(dev, true); - devinfo->tx_flowblock = true; - } - spin_unlock_irqrestore(&devinfo->tx_flowblock_lock, flags); - return 0; - -fail: - return ret; -} - - -static int brcmf_usb_up(struct device *dev) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_UP) - return 0; - - /* Success, indicate devinfo is fully up */ - brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_UP); - - if (devinfo->ctl_urb) { - devinfo->ctl_in_pipe = usb_rcvctrlpipe(devinfo->usbdev, 0); - devinfo->ctl_out_pipe = usb_sndctrlpipe(devinfo->usbdev, 0); - - /* CTL Write */ - devinfo->ctl_write.bRequestType = - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_write.bRequest = 0; - devinfo->ctl_write.wValue = cpu_to_le16(0); - devinfo->ctl_write.wIndex = cpu_to_le16(devinfo->ifnum); - - /* CTL Read */ - devinfo->ctl_read.bRequestType = - USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = 1; - devinfo->ctl_read.wValue = cpu_to_le16(0); - devinfo->ctl_read.wIndex = cpu_to_le16(devinfo->ifnum); - } - brcmf_usb_rx_fill_all(devinfo); - return 0; -} - -static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo) -{ - if (devinfo->ctl_urb) - usb_kill_urb(devinfo->ctl_urb); - if (devinfo->bulk_urb) - usb_kill_urb(devinfo->bulk_urb); - brcmf_usb_free_q(&devinfo->tx_postq, true); - brcmf_usb_free_q(&devinfo->rx_postq, true); -} - -static void brcmf_usb_down(struct device *dev) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL) - return; - - if (devinfo->bus_pub.state == BRCMFMAC_USB_STATE_DOWN) - return; - - brcmf_usb_state_change(devinfo, BRCMFMAC_USB_STATE_DOWN); - - brcmf_cancel_all_urbs(devinfo); -} - -static void -brcmf_usb_sync_complete(struct urb *urb) -{ - struct brcmf_usbdev_info *devinfo = - (struct brcmf_usbdev_info *)urb->context; - - devinfo->ctl_completed = true; - brcmf_usb_ioctl_resp_wake(devinfo); -} - -static int brcmf_usb_dl_cmd(struct brcmf_usbdev_info *devinfo, u8 cmd, - void *buffer, int buflen) -{ - int ret; - char *tmpbuf; - u16 size; - - if ((!devinfo) || (devinfo->ctl_urb == NULL)) - return -EINVAL; - - tmpbuf = kmalloc(buflen, GFP_ATOMIC); - if (!tmpbuf) - return -ENOMEM; - - size = buflen; - devinfo->ctl_urb->transfer_buffer_length = size; - - devinfo->ctl_read.wLength = cpu_to_le16p(&size); - devinfo->ctl_read.bRequestType = USB_DIR_IN | USB_TYPE_VENDOR | - USB_RECIP_INTERFACE; - devinfo->ctl_read.bRequest = cmd; - - usb_fill_control_urb(devinfo->ctl_urb, - devinfo->usbdev, - usb_rcvctrlpipe(devinfo->usbdev, 0), - (unsigned char *) &devinfo->ctl_read, - (void *) tmpbuf, size, - (usb_complete_t)brcmf_usb_sync_complete, devinfo); - - devinfo->ctl_completed = false; - ret = usb_submit_urb(devinfo->ctl_urb, GFP_ATOMIC); - if (ret < 0) { - brcmf_err("usb_submit_urb failed %d\n", ret); - goto finalize; - } - - if (!brcmf_usb_ioctl_resp_wait(devinfo)) { - usb_kill_urb(devinfo->ctl_urb); - ret = -ETIMEDOUT; - } else { - memcpy(buffer, tmpbuf, buflen); - } - -finalize: - kfree(tmpbuf); - return ret; -} - -static bool -brcmf_usb_dlneeded(struct brcmf_usbdev_info *devinfo) -{ - struct bootrom_id_le id; - u32 chipid, chiprev; - - brcmf_dbg(USB, "Enter\n"); - - if (devinfo == NULL) - return false; - - /* Check if firmware downloaded already by querying runtime ID */ - id.chip = cpu_to_le32(0xDEAD); - brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); - - chipid = le32_to_cpu(id.chip); - chiprev = le32_to_cpu(id.chiprev); - - if ((chipid & 0x4300) == 0x4300) - brcmf_dbg(USB, "chip %x rev 0x%x\n", chipid, chiprev); - else - brcmf_dbg(USB, "chip %d rev 0x%x\n", chipid, chiprev); - if (chipid == BRCMF_POSTBOOT_ID) { - brcmf_dbg(USB, "firmware already downloaded\n"); - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); - return false; - } else { - devinfo->bus_pub.devid = chipid; - devinfo->bus_pub.chiprev = chiprev; - } - return true; -} - -static int -brcmf_usb_resetcfg(struct brcmf_usbdev_info *devinfo) -{ - struct bootrom_id_le id; - u32 loop_cnt; - int err; - - brcmf_dbg(USB, "Enter\n"); - - loop_cnt = 0; - do { - mdelay(BRCMF_USB_RESET_GETVER_SPINWAIT); - loop_cnt++; - id.chip = cpu_to_le32(0xDEAD); /* Get the ID */ - err = brcmf_usb_dl_cmd(devinfo, DL_GETVER, &id, sizeof(id)); - if ((err) && (err != -ETIMEDOUT)) - return err; - if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) - break; - } while (loop_cnt < BRCMF_USB_RESET_GETVER_LOOP_CNT); - - if (id.chip == cpu_to_le32(BRCMF_POSTBOOT_ID)) { - brcmf_dbg(USB, "postboot chip 0x%x/rev 0x%x\n", - le32_to_cpu(id.chip), le32_to_cpu(id.chiprev)); - - brcmf_usb_dl_cmd(devinfo, DL_RESETCFG, &id, sizeof(id)); - return 0; - } else { - brcmf_err("Cannot talk to Dongle. Firmware is not UP, %d ms\n", - BRCMF_USB_RESET_GETVER_SPINWAIT * loop_cnt); - return -EINVAL; - } -} - - -static int -brcmf_usb_dl_send_bulk(struct brcmf_usbdev_info *devinfo, void *buffer, int len) -{ - int ret; - - if ((devinfo == NULL) || (devinfo->bulk_urb == NULL)) - return -EINVAL; - - /* Prepare the URB */ - usb_fill_bulk_urb(devinfo->bulk_urb, devinfo->usbdev, - devinfo->tx_pipe, buffer, len, - (usb_complete_t)brcmf_usb_sync_complete, devinfo); - - devinfo->bulk_urb->transfer_flags |= URB_ZERO_PACKET; - - devinfo->ctl_completed = false; - ret = usb_submit_urb(devinfo->bulk_urb, GFP_ATOMIC); - if (ret) { - brcmf_err("usb_submit_urb failed %d\n", ret); - return ret; - } - ret = brcmf_usb_ioctl_resp_wait(devinfo); - return (ret == 0); -} - -static int -brcmf_usb_dl_writeimage(struct brcmf_usbdev_info *devinfo, u8 *fw, int fwlen) -{ - unsigned int sendlen, sent, dllen; - char *bulkchunk = NULL, *dlpos; - struct rdl_state_le state; - u32 rdlstate, rdlbytes; - int err = 0; - - brcmf_dbg(USB, "Enter, fw %p, len %d\n", fw, fwlen); - - bulkchunk = kmalloc(TRX_RDL_CHUNK, GFP_ATOMIC); - if (bulkchunk == NULL) { - err = -ENOMEM; - goto fail; - } - - /* 1) Prepare USB boot loader for runtime image */ - brcmf_usb_dl_cmd(devinfo, DL_START, &state, sizeof(state)); - - rdlstate = le32_to_cpu(state.state); - rdlbytes = le32_to_cpu(state.bytes); - - /* 2) Check we are in the Waiting state */ - if (rdlstate != DL_WAITING) { - brcmf_err("Failed to DL_START\n"); - err = -EINVAL; - goto fail; - } - sent = 0; - dlpos = fw; - dllen = fwlen; - - /* Get chip id and rev */ - while (rdlbytes != dllen) { - /* Wait until the usb device reports it received all - * the bytes we sent */ - if ((rdlbytes == sent) && (rdlbytes != dllen)) { - if ((dllen-sent) < TRX_RDL_CHUNK) - sendlen = dllen-sent; - else - sendlen = TRX_RDL_CHUNK; - - /* simply avoid having to send a ZLP by ensuring we - * never have an even - * multiple of 64 - */ - if (!(sendlen % 64)) - sendlen -= 4; - - /* send data */ - memcpy(bulkchunk, dlpos, sendlen); - if (brcmf_usb_dl_send_bulk(devinfo, bulkchunk, - sendlen)) { - brcmf_err("send_bulk failed\n"); - err = -EINVAL; - goto fail; - } - - dlpos += sendlen; - sent += sendlen; - } - err = brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, - sizeof(state)); - if (err) { - brcmf_err("DL_GETSTATE Failed\n"); - goto fail; - } - - rdlstate = le32_to_cpu(state.state); - rdlbytes = le32_to_cpu(state.bytes); - - /* restart if an error is reported */ - if (rdlstate == DL_BAD_HDR || rdlstate == DL_BAD_CRC) { - brcmf_err("Bad Hdr or Bad CRC state %d\n", - rdlstate); - err = -EINVAL; - goto fail; - } - } - -fail: - kfree(bulkchunk); - brcmf_dbg(USB, "Exit, err=%d\n", err); - return err; -} - -static int brcmf_usb_dlstart(struct brcmf_usbdev_info *devinfo, u8 *fw, int len) -{ - int err; - - brcmf_dbg(USB, "Enter\n"); - - if (devinfo == NULL) - return -EINVAL; - - if (devinfo->bus_pub.devid == 0xDEAD) - return -EINVAL; - - err = brcmf_usb_dl_writeimage(devinfo, fw, len); - if (err == 0) - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_DONE; - else - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DL_FAIL; - brcmf_dbg(USB, "Exit, err=%d\n", err); - - return err; -} - -static int brcmf_usb_dlrun(struct brcmf_usbdev_info *devinfo) -{ - struct rdl_state_le state; - - brcmf_dbg(USB, "Enter\n"); - if (!devinfo) - return -EINVAL; - - if (devinfo->bus_pub.devid == 0xDEAD) - return -EINVAL; - - /* Check we are runnable */ - state.state = 0; - brcmf_usb_dl_cmd(devinfo, DL_GETSTATE, &state, sizeof(state)); - - /* Start the image */ - if (state.state == cpu_to_le32(DL_RUNNABLE)) { - if (brcmf_usb_dl_cmd(devinfo, DL_GO, &state, sizeof(state))) - return -ENODEV; - if (brcmf_usb_resetcfg(devinfo)) - return -ENODEV; - /* The Dongle may go for re-enumeration. */ - } else { - brcmf_err("Dongle not runnable\n"); - return -EINVAL; - } - brcmf_dbg(USB, "Exit\n"); - return 0; -} - -static bool brcmf_usb_chip_support(int chipid, int chiprev) -{ - switch(chipid) { - case BRCM_CC_43143_CHIP_ID: - return true; - case BRCM_CC_43235_CHIP_ID: - case BRCM_CC_43236_CHIP_ID: - case BRCM_CC_43238_CHIP_ID: - return (chiprev == 3); - case BRCM_CC_43242_CHIP_ID: - return true; - case BRCM_CC_43566_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - return true; - default: - break; - } - return false; -} - -static int -brcmf_usb_fw_download(struct brcmf_usbdev_info *devinfo) -{ - int devid, chiprev; - int err; - - brcmf_dbg(USB, "Enter\n"); - if (devinfo == NULL) - return -ENODEV; - - devid = devinfo->bus_pub.devid; - chiprev = devinfo->bus_pub.chiprev; - - if (!brcmf_usb_chip_support(devid, chiprev)) { - brcmf_err("unsupported chip %d rev %d\n", - devid, chiprev); - return -EINVAL; - } - - if (!devinfo->image) { - brcmf_err("No firmware!\n"); - return -ENOENT; - } - - err = brcmf_usb_dlstart(devinfo, - (u8 *)devinfo->image, devinfo->image_len); - if (err == 0) - err = brcmf_usb_dlrun(devinfo); - return err; -} - - -static void brcmf_usb_detach(struct brcmf_usbdev_info *devinfo) -{ - brcmf_dbg(USB, "Enter, devinfo %p\n", devinfo); - - /* free the URBS */ - brcmf_usb_free_q(&devinfo->rx_freeq, false); - brcmf_usb_free_q(&devinfo->tx_freeq, false); - - usb_free_urb(devinfo->ctl_urb); - usb_free_urb(devinfo->bulk_urb); - - kfree(devinfo->tx_reqs); - kfree(devinfo->rx_reqs); -} - - -static int check_file(const u8 *headers) -{ - struct trx_header_le *trx; - int actual_len = -1; - - brcmf_dbg(USB, "Enter\n"); - /* Extract trx header */ - trx = (struct trx_header_le *) headers; - if (trx->magic != cpu_to_le32(TRX_MAGIC)) - return -1; - - headers += sizeof(struct trx_header_le); - - if (le32_to_cpu(trx->flag_version) & TRX_UNCOMP_IMAGE) { - actual_len = le32_to_cpu(trx->offsets[TRX_OFFSETS_DLFWLEN_IDX]); - return actual_len + sizeof(struct trx_header_le); - } - return -1; -} - -static const char *brcmf_usb_get_fwname(struct brcmf_usbdev_info *devinfo) -{ - switch (devinfo->bus_pub.devid) { - case BRCM_CC_43143_CHIP_ID: - return BRCMF_USB_43143_FW_NAME; - case BRCM_CC_43235_CHIP_ID: - case BRCM_CC_43236_CHIP_ID: - case BRCM_CC_43238_CHIP_ID: - return BRCMF_USB_43236_FW_NAME; - case BRCM_CC_43242_CHIP_ID: - return BRCMF_USB_43242_FW_NAME; - case BRCM_CC_43566_CHIP_ID: - case BRCM_CC_43569_CHIP_ID: - return BRCMF_USB_43569_FW_NAME; - default: - return NULL; - } -} - - -static -struct brcmf_usbdev *brcmf_usb_attach(struct brcmf_usbdev_info *devinfo, - int nrxq, int ntxq) -{ - brcmf_dbg(USB, "Enter\n"); - - devinfo->bus_pub.nrxq = nrxq; - devinfo->rx_low_watermark = nrxq / 2; - devinfo->bus_pub.devinfo = devinfo; - devinfo->bus_pub.ntxq = ntxq; - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_DOWN; - - /* flow control when too many tx urbs posted */ - devinfo->tx_low_watermark = ntxq / 4; - devinfo->tx_high_watermark = devinfo->tx_low_watermark * 3; - devinfo->bus_pub.bus_mtu = BRCMF_USB_MAX_PKT_SIZE; - - /* Initialize other structure content */ - init_waitqueue_head(&devinfo->ioctl_resp_wait); - - /* Initialize the spinlocks */ - spin_lock_init(&devinfo->qlock); - spin_lock_init(&devinfo->tx_flowblock_lock); - - INIT_LIST_HEAD(&devinfo->rx_freeq); - INIT_LIST_HEAD(&devinfo->rx_postq); - - INIT_LIST_HEAD(&devinfo->tx_freeq); - INIT_LIST_HEAD(&devinfo->tx_postq); - - devinfo->tx_flowblock = false; - - devinfo->rx_reqs = brcmf_usbdev_qinit(&devinfo->rx_freeq, nrxq); - if (!devinfo->rx_reqs) - goto error; - - devinfo->tx_reqs = brcmf_usbdev_qinit(&devinfo->tx_freeq, ntxq); - if (!devinfo->tx_reqs) - goto error; - devinfo->tx_freecount = ntxq; - - devinfo->ctl_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!devinfo->ctl_urb) { - brcmf_err("usb_alloc_urb (ctl) failed\n"); - goto error; - } - devinfo->bulk_urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!devinfo->bulk_urb) { - brcmf_err("usb_alloc_urb (bulk) failed\n"); - goto error; - } - - return &devinfo->bus_pub; - -error: - brcmf_err("failed!\n"); - brcmf_usb_detach(devinfo); - return NULL; -} - -static void brcmf_usb_wowl_config(struct device *dev, bool enabled) -{ - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(dev); - - brcmf_dbg(USB, "Configuring WOWL, enabled=%d\n", enabled); - devinfo->wowl_enabled = enabled; - if (enabled) - device_set_wakeup_enable(devinfo->dev, true); - else - device_set_wakeup_enable(devinfo->dev, false); -} - -static struct brcmf_bus_ops brcmf_usb_bus_ops = { - .txdata = brcmf_usb_tx, - .stop = brcmf_usb_down, - .txctl = brcmf_usb_tx_ctlpkt, - .rxctl = brcmf_usb_rx_ctlpkt, - .wowl_config = brcmf_usb_wowl_config, -}; - -static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) -{ - int ret; - - /* Attach to the common driver interface */ - ret = brcmf_attach(devinfo->dev); - if (ret) { - brcmf_err("brcmf_attach failed\n"); - return ret; - } - - ret = brcmf_usb_up(devinfo->dev); - if (ret) - goto fail; - - ret = brcmf_bus_start(devinfo->dev); - if (ret) - goto fail; - - return 0; -fail: - brcmf_detach(devinfo->dev); - return ret; -} - -static void brcmf_usb_probe_phase2(struct device *dev, - const struct firmware *fw, - void *nvram, u32 nvlen) -{ - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_usbdev_info *devinfo; - int ret; - - brcmf_dbg(USB, "Start fw downloading\n"); - - devinfo = bus->bus_priv.usb->devinfo; - ret = check_file(fw->data); - if (ret < 0) { - brcmf_err("invalid firmware\n"); - release_firmware(fw); - goto error; - } - - devinfo->image = fw->data; - devinfo->image_len = fw->size; - - ret = brcmf_usb_fw_download(devinfo); - release_firmware(fw); - if (ret) - goto error; - - ret = brcmf_usb_bus_setup(devinfo); - if (ret) - goto error; - - mutex_unlock(&devinfo->dev_init_lock); - return; -error: - brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret); - mutex_unlock(&devinfo->dev_init_lock); - device_release_driver(dev); -} - -static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) -{ - struct brcmf_bus *bus = NULL; - struct brcmf_usbdev *bus_pub = NULL; - struct device *dev = devinfo->dev; - int ret; - - brcmf_dbg(USB, "Enter\n"); - bus_pub = brcmf_usb_attach(devinfo, BRCMF_USB_NRXQ, BRCMF_USB_NTXQ); - if (!bus_pub) - return -ENODEV; - - bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC); - if (!bus) { - ret = -ENOMEM; - goto fail; - } - - bus->dev = dev; - bus_pub->bus = bus; - bus->bus_priv.usb = bus_pub; - dev_set_drvdata(dev, bus); - bus->ops = &brcmf_usb_bus_ops; - bus->proto_type = BRCMF_PROTO_BCDC; - bus->always_use_fws_queue = true; -#ifdef CONFIG_PM - bus->wowl_supported = true; -#endif - - if (!brcmf_usb_dlneeded(devinfo)) { - ret = brcmf_usb_bus_setup(devinfo); - if (ret) - goto fail; - /* we are done */ - mutex_unlock(&devinfo->dev_init_lock); - return 0; - } - bus->chip = bus_pub->devid; - bus->chiprev = bus_pub->chiprev; - - /* request firmware here */ - ret = brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), - NULL, brcmf_usb_probe_phase2); - if (ret) { - brcmf_err("firmware request failed: %d\n", ret); - goto fail; - } - - return 0; - -fail: - /* Release resources in reverse order */ - kfree(bus); - brcmf_usb_detach(devinfo); - return ret; -} - -static void -brcmf_usb_disconnect_cb(struct brcmf_usbdev_info *devinfo) -{ - if (!devinfo) - return; - brcmf_dbg(USB, "Enter, bus_pub %p\n", devinfo); - - brcmf_detach(devinfo->dev); - kfree(devinfo->bus_pub.bus); - brcmf_usb_detach(devinfo); -} - -static int -brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo; - struct usb_interface_descriptor *desc; - struct usb_endpoint_descriptor *endpoint; - int ret = 0; - u32 num_of_eps; - u8 endpoint_num, ep; - - brcmf_dbg(USB, "Enter 0x%04x:0x%04x\n", id->idVendor, id->idProduct); - - devinfo = kzalloc(sizeof(*devinfo), GFP_ATOMIC); - if (devinfo == NULL) - return -ENOMEM; - - devinfo->usbdev = usb; - devinfo->dev = &usb->dev; - /* Take an init lock, to protect for disconnect while still loading. - * Necessary because of the asynchronous firmware load construction - */ - mutex_init(&devinfo->dev_init_lock); - mutex_lock(&devinfo->dev_init_lock); - - usb_set_intfdata(intf, devinfo); - - /* Check that the device supports only one configuration */ - if (usb->descriptor.bNumConfigurations != 1) { - brcmf_err("Number of configurations: %d not supported\n", - usb->descriptor.bNumConfigurations); - ret = -ENODEV; - goto fail; - } - - if ((usb->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) && - (usb->descriptor.bDeviceClass != USB_CLASS_MISC) && - (usb->descriptor.bDeviceClass != USB_CLASS_WIRELESS_CONTROLLER)) { - brcmf_err("Device class: 0x%x not supported\n", - usb->descriptor.bDeviceClass); - ret = -ENODEV; - goto fail; - } - - desc = &intf->altsetting[0].desc; - if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || - (desc->bInterfaceSubClass != 2) || - (desc->bInterfaceProtocol != 0xff)) { - brcmf_err("non WLAN interface %d: 0x%x:0x%x:0x%x\n", - desc->bInterfaceNumber, desc->bInterfaceClass, - desc->bInterfaceSubClass, desc->bInterfaceProtocol); - ret = -ENODEV; - goto fail; - } - - num_of_eps = desc->bNumEndpoints; - for (ep = 0; ep < num_of_eps; ep++) { - endpoint = &intf->altsetting[0].endpoint[ep].desc; - endpoint_num = usb_endpoint_num(endpoint); - if (!usb_endpoint_xfer_bulk(endpoint)) - continue; - if (usb_endpoint_dir_in(endpoint)) { - if (!devinfo->rx_pipe) - devinfo->rx_pipe = - usb_rcvbulkpipe(usb, endpoint_num); - } else { - if (!devinfo->tx_pipe) - devinfo->tx_pipe = - usb_sndbulkpipe(usb, endpoint_num); - } - } - if (devinfo->rx_pipe == 0) { - brcmf_err("No RX (in) Bulk EP found\n"); - ret = -ENODEV; - goto fail; - } - if (devinfo->tx_pipe == 0) { - brcmf_err("No TX (out) Bulk EP found\n"); - ret = -ENODEV; - goto fail; - } - - devinfo->ifnum = desc->bInterfaceNumber; - - if (usb->speed == USB_SPEED_SUPER) - brcmf_dbg(USB, "Broadcom super speed USB WLAN interface detected\n"); - else if (usb->speed == USB_SPEED_HIGH) - brcmf_dbg(USB, "Broadcom high speed USB WLAN interface detected\n"); - else - brcmf_dbg(USB, "Broadcom full speed USB WLAN interface detected\n"); - - ret = brcmf_usb_probe_cb(devinfo); - if (ret) - goto fail; - - /* Success */ - return 0; - -fail: - mutex_unlock(&devinfo->dev_init_lock); - kfree(devinfo); - usb_set_intfdata(intf, NULL); - return ret; -} - -static void -brcmf_usb_disconnect(struct usb_interface *intf) -{ - struct brcmf_usbdev_info *devinfo; - - brcmf_dbg(USB, "Enter\n"); - devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf); - - if (devinfo) { - mutex_lock(&devinfo->dev_init_lock); - /* Make sure that devinfo still exists. Firmware probe routines - * may have released the device and cleared the intfdata. - */ - if (!usb_get_intfdata(intf)) - goto done; - - brcmf_usb_disconnect_cb(devinfo); - kfree(devinfo); - } -done: - brcmf_dbg(USB, "Exit\n"); -} - -/* - * only need to signal the bus being down and update the state. - */ -static int brcmf_usb_suspend(struct usb_interface *intf, pm_message_t state) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_SLEEP; - if (devinfo->wowl_enabled) - brcmf_cancel_all_urbs(devinfo); - else - brcmf_detach(&usb->dev); - return 0; -} - -/* - * (re-) start the bus. - */ -static int brcmf_usb_resume(struct usb_interface *intf) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - if (!devinfo->wowl_enabled) - return brcmf_usb_bus_setup(devinfo); - - devinfo->bus_pub.state = BRCMFMAC_USB_STATE_UP; - brcmf_usb_rx_fill_all(devinfo); - return 0; -} - -static int brcmf_usb_reset_resume(struct usb_interface *intf) -{ - struct usb_device *usb = interface_to_usbdev(intf); - struct brcmf_usbdev_info *devinfo = brcmf_usb_get_businfo(&usb->dev); - - brcmf_dbg(USB, "Enter\n"); - - return brcmf_fw_get_firmwares(&usb->dev, 0, - brcmf_usb_get_fwname(devinfo), NULL, - brcmf_usb_probe_phase2); -} - -#define BRCMF_USB_DEVICE(dev_id) \ - { USB_DEVICE(BRCM_USB_VENDOR_ID_BROADCOM, dev_id) } - -static struct usb_device_id brcmf_usb_devid_table[] = { - BRCMF_USB_DEVICE(BRCM_USB_43143_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43236_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43242_DEVICE_ID), - BRCMF_USB_DEVICE(BRCM_USB_43569_DEVICE_ID), - /* special entry for device with firmware loaded and running */ - BRCMF_USB_DEVICE(BRCM_USB_BCMFW_DEVICE_ID), - { /* end: all zeroes */ } -}; - -MODULE_DEVICE_TABLE(usb, brcmf_usb_devid_table); -MODULE_FIRMWARE(BRCMF_USB_43143_FW_NAME); -MODULE_FIRMWARE(BRCMF_USB_43236_FW_NAME); -MODULE_FIRMWARE(BRCMF_USB_43242_FW_NAME); -MODULE_FIRMWARE(BRCMF_USB_43569_FW_NAME); - -static struct usb_driver brcmf_usbdrvr = { - .name = KBUILD_MODNAME, - .probe = brcmf_usb_probe, - .disconnect = brcmf_usb_disconnect, - .id_table = brcmf_usb_devid_table, - .suspend = brcmf_usb_suspend, - .resume = brcmf_usb_resume, - .reset_resume = brcmf_usb_reset_resume, - .supports_autosuspend = 1, - .disable_hub_initiated_lpm = 1, -}; - -static int brcmf_usb_reset_device(struct device *dev, void *notused) -{ - /* device past is the usb interface so we - * need to use parent here. - */ - brcmf_dev_reset(dev->parent); - return 0; -} - -void brcmf_usb_exit(void) -{ - struct device_driver *drv = &brcmf_usbdrvr.drvwrap.driver; - int ret; - - brcmf_dbg(USB, "Enter\n"); - ret = driver_for_each_device(drv, NULL, NULL, - brcmf_usb_reset_device); - usb_deregister(&brcmf_usbdrvr); -} - -void brcmf_usb_register(void) -{ - brcmf_dbg(USB, "Enter\n"); - usb_register(&brcmf_usbdrvr); -} diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.h b/drivers/net/wireless/brcm80211/brcmfmac/usb.h deleted file mode 100644 index f483a8c9945b..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (c) 2011 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#ifndef BRCMFMAC_USB_H -#define BRCMFMAC_USB_H - -enum brcmf_usb_state { - BRCMFMAC_USB_STATE_DOWN, - BRCMFMAC_USB_STATE_DL_FAIL, - BRCMFMAC_USB_STATE_DL_DONE, - BRCMFMAC_USB_STATE_UP, - BRCMFMAC_USB_STATE_SLEEP -}; - -struct brcmf_stats { - u32 tx_ctlpkts; - u32 tx_ctlerrs; - u32 rx_ctlpkts; - u32 rx_ctlerrs; -}; - -struct brcmf_usbdev { - struct brcmf_bus *bus; - struct brcmf_usbdev_info *devinfo; - enum brcmf_usb_state state; - struct brcmf_stats stats; - int ntxq, nrxq, rxsize; - u32 bus_mtu; - int devid; - int chiprev; /* chip revsion number */ -}; - -/* IO Request Block (IRB) */ -struct brcmf_usbreq { - struct list_head list; - struct brcmf_usbdev_info *devinfo; - struct urb *urb; - struct sk_buff *skb; -}; - -#endif /* BRCMFMAC_USB_H */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/vendor.c b/drivers/net/wireless/brcm80211/brcmfmac/vendor.c deleted file mode 100644 index 8eff2753abad..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/vendor.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <linux/vmalloc.h> -#include <net/cfg80211.h> -#include <net/netlink.h> - -#include <brcmu_wifi.h> -#include "fwil_types.h" -#include "core.h" -#include "p2p.h" -#include "debug.h" -#include "cfg80211.h" -#include "vendor.h" -#include "fwil.h" - -static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy, - struct wireless_dev *wdev, - const void *data, int len) -{ - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - const struct brcmf_vndr_dcmd_hdr *cmdhdr = data; - struct sk_buff *reply; - int ret, payload, ret_len; - void *dcmd_buf = NULL, *wr_pointer; - u16 msglen, maxmsglen = PAGE_SIZE - 0x100; - - if (len < sizeof(*cmdhdr)) { - brcmf_err("vendor command too short: %d\n", len); - return -EINVAL; - } - - vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); - ifp = vif->ifp; - - brcmf_dbg(TRACE, "ifidx=%d, cmd=%d\n", ifp->ifidx, cmdhdr->cmd); - - if (cmdhdr->offset > len) { - brcmf_err("bad buffer offset %d > %d\n", cmdhdr->offset, len); - return -EINVAL; - } - - len -= cmdhdr->offset; - ret_len = cmdhdr->len; - if (ret_len > 0 || len > 0) { - if (len > BRCMF_DCMD_MAXLEN) { - brcmf_err("oversize input buffer %d\n", len); - len = BRCMF_DCMD_MAXLEN; - } - if (ret_len > BRCMF_DCMD_MAXLEN) { - brcmf_err("oversize return buffer %d\n", ret_len); - ret_len = BRCMF_DCMD_MAXLEN; - } - payload = max(ret_len, len) + 1; - dcmd_buf = vzalloc(payload); - if (NULL == dcmd_buf) - return -ENOMEM; - - memcpy(dcmd_buf, (void *)cmdhdr + cmdhdr->offset, len); - *(char *)(dcmd_buf + len) = '\0'; - } - - if (cmdhdr->set) - ret = brcmf_fil_cmd_data_set(ifp, cmdhdr->cmd, dcmd_buf, - ret_len); - else - ret = brcmf_fil_cmd_data_get(ifp, cmdhdr->cmd, dcmd_buf, - ret_len); - if (ret != 0) - goto exit; - - wr_pointer = dcmd_buf; - while (ret_len > 0) { - msglen = ret_len > maxmsglen ? maxmsglen : ret_len; - ret_len -= msglen; - payload = msglen + sizeof(msglen); - reply = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, payload); - if (NULL == reply) { - ret = -ENOMEM; - break; - } - - if (nla_put(reply, BRCMF_NLATTR_DATA, msglen, wr_pointer) || - nla_put_u16(reply, BRCMF_NLATTR_LEN, msglen)) { - kfree_skb(reply); - ret = -ENOBUFS; - break; - } - - ret = cfg80211_vendor_cmd_reply(reply); - if (ret) - break; - - wr_pointer += msglen; - } - -exit: - vfree(dcmd_buf); - - return ret; -} - -const struct wiphy_vendor_command brcmf_vendor_cmds[] = { - { - { - .vendor_id = BROADCOM_OUI, - .subcmd = BRCMF_VNDR_CMDS_DCMD - }, - .flags = WIPHY_VENDOR_CMD_NEED_WDEV | - WIPHY_VENDOR_CMD_NEED_NETDEV, - .doit = brcmf_cfg80211_vndr_cmds_dcmd_handler - }, -}; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/vendor.h b/drivers/net/wireless/brcm80211/brcmfmac/vendor.h deleted file mode 100644 index 061b7bfa2e1c..000000000000 --- a/drivers/net/wireless/brcm80211/brcmfmac/vendor.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (c) 2014 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _vendor_h_ -#define _vendor_h_ - -#define BROADCOM_OUI 0x001018 - -enum brcmf_vndr_cmds { - BRCMF_VNDR_CMDS_UNSPEC, - BRCMF_VNDR_CMDS_DCMD, - BRCMF_VNDR_CMDS_LAST -}; - -/** - * enum brcmf_nlattrs - nl80211 message attributes - * - * @BRCMF_NLATTR_LEN: message body length - * @BRCMF_NLATTR_DATA: message body - */ -enum brcmf_nlattrs { - BRCMF_NLATTR_UNSPEC, - - BRCMF_NLATTR_LEN, - BRCMF_NLATTR_DATA, - - __BRCMF_NLATTR_AFTER_LAST, - BRCMF_NLATTR_MAX = __BRCMF_NLATTR_AFTER_LAST - 1 -}; - -/** - * struct brcmf_vndr_dcmd_hdr - message header for cfg80211 vendor command dcmd - * support - * - * @cmd: common dongle cmd definition - * @len: length of expecting return buffer - * @offset: offset of data buffer - * @set: get or set request(optional) - * @magic: magic number for verification - */ -struct brcmf_vndr_dcmd_hdr { - uint cmd; - int len; - uint offset; - uint set; - uint magic; -}; - -extern const struct wiphy_vendor_command brcmf_vendor_cmds[]; - -#endif /* _vendor_h_ */ |