diff options
author | alex.bluesman.smirnov@gmail.com <alex.bluesman.smirnov@gmail.com> | 2012-08-26 05:10:11 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-08-30 13:23:56 -0400 |
commit | 0739d643b8dda866d1011bcfd01008d29593be03 (patch) | |
tree | 4748f4a416a6711bb5d6b889f9d3fa342921376f /drivers/ieee802154 | |
parent | 395a57385508f7b8b445b6911bfa35bc0ccaa0ff (diff) | |
download | linux-0739d643b8dda866d1011bcfd01008d29593be03.tar.gz linux-0739d643b8dda866d1011bcfd01008d29593be03.tar.bz2 linux-0739d643b8dda866d1011bcfd01008d29593be03.zip |
drivers/ieee802154: move ieee802154 drivers to net folder
The IEEE 802.15.4 standard represents a networking protocol. I don't
exactly know why drivers for this protocol are stored into the root
'driver' folder, but better will be to store them with other
networking stuff. Currently there are only 3 drivers available for
IEEE 802.15.4 stack, so lets do it now with the smallest overhead.
Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ieee802154')
-rw-r--r-- | drivers/ieee802154/Kconfig | 36 | ||||
-rw-r--r-- | drivers/ieee802154/Makefile | 3 | ||||
-rw-r--r-- | drivers/ieee802154/at86rf230.c | 958 | ||||
-rw-r--r-- | drivers/ieee802154/fakehard.c | 449 | ||||
-rw-r--r-- | drivers/ieee802154/fakelb.c | 294 |
5 files changed, 0 insertions, 1740 deletions
diff --git a/drivers/ieee802154/Kconfig b/drivers/ieee802154/Kconfig deleted file mode 100644 index 1fc4eefc20ed..000000000000 --- a/drivers/ieee802154/Kconfig +++ /dev/null @@ -1,36 +0,0 @@ -menuconfig IEEE802154_DRIVERS - tristate "IEEE 802.15.4 drivers" - depends on NETDEVICES && IEEE802154 - default y - ---help--- - Say Y here to get to see options for IEEE 802.15.4 Low-Rate - Wireless Personal Area Network device drivers. This option alone - does not add any kernel code. - - If you say N, all options in this submenu will be skipped and - disabled. - -config IEEE802154_FAKEHARD - tristate "Fake LR-WPAN driver with several interconnected devices" - depends on IEEE802154_DRIVERS - ---help--- - Say Y here to enable the fake driver that serves as an example - of HardMAC device driver. - - This driver can also be built as a module. To do so say M here. - The module will be called 'fakehard'. - -config IEEE802154_FAKELB - depends on IEEE802154_DRIVERS && MAC802154 - tristate "IEEE 802.15.4 loopback driver" - ---help--- - Say Y here to enable the fake driver that can emulate a net - of several interconnected radio devices. - - This driver can also be built as a module. To do so say M here. - The module will be called 'fakelb'. - -config IEEE802154_AT86RF230 - depends on IEEE802154_DRIVERS && MAC802154 - tristate "AT86RF230/231 transceiver driver" - depends on SPI diff --git a/drivers/ieee802154/Makefile b/drivers/ieee802154/Makefile deleted file mode 100644 index 4f4371d3aa7d..000000000000 --- a/drivers/ieee802154/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_IEEE802154_FAKEHARD) += fakehard.o -obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o -obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o diff --git a/drivers/ieee802154/at86rf230.c b/drivers/ieee802154/at86rf230.c deleted file mode 100644 index ba753d87a32f..000000000000 --- a/drivers/ieee802154/at86rf230.c +++ /dev/null @@ -1,958 +0,0 @@ -/* - * AT86RF230/RF231 driver - * - * Copyright (C) 2009-2012 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/mutex.h> -#include <linux/workqueue.h> -#include <linux/spinlock.h> -#include <linux/spi/spi.h> -#include <linux/spi/at86rf230.h> -#include <linux/skbuff.h> - -#include <net/mac802154.h> -#include <net/wpan-phy.h> - -struct at86rf230_local { - struct spi_device *spi; - int rstn, slp_tr, dig2; - - u8 part; - u8 vers; - - u8 buf[2]; - struct mutex bmux; - - struct work_struct irqwork; - struct completion tx_complete; - - struct ieee802154_dev *dev; - - spinlock_t lock; - bool irq_disabled; - bool is_tx; -}; - -#define RG_TRX_STATUS (0x01) -#define SR_TRX_STATUS 0x01, 0x1f, 0 -#define SR_RESERVED_01_3 0x01, 0x20, 5 -#define SR_CCA_STATUS 0x01, 0x40, 6 -#define SR_CCA_DONE 0x01, 0x80, 7 -#define RG_TRX_STATE (0x02) -#define SR_TRX_CMD 0x02, 0x1f, 0 -#define SR_TRAC_STATUS 0x02, 0xe0, 5 -#define RG_TRX_CTRL_0 (0x03) -#define SR_CLKM_CTRL 0x03, 0x07, 0 -#define SR_CLKM_SHA_SEL 0x03, 0x08, 3 -#define SR_PAD_IO_CLKM 0x03, 0x30, 4 -#define SR_PAD_IO 0x03, 0xc0, 6 -#define RG_TRX_CTRL_1 (0x04) -#define SR_IRQ_POLARITY 0x04, 0x01, 0 -#define SR_IRQ_MASK_MODE 0x04, 0x02, 1 -#define SR_SPI_CMD_MODE 0x04, 0x0c, 2 -#define SR_RX_BL_CTRL 0x04, 0x10, 4 -#define SR_TX_AUTO_CRC_ON 0x04, 0x20, 5 -#define SR_IRQ_2_EXT_EN 0x04, 0x40, 6 -#define SR_PA_EXT_EN 0x04, 0x80, 7 -#define RG_PHY_TX_PWR (0x05) -#define SR_TX_PWR 0x05, 0x0f, 0 -#define SR_PA_LT 0x05, 0x30, 4 -#define SR_PA_BUF_LT 0x05, 0xc0, 6 -#define RG_PHY_RSSI (0x06) -#define SR_RSSI 0x06, 0x1f, 0 -#define SR_RND_VALUE 0x06, 0x60, 5 -#define SR_RX_CRC_VALID 0x06, 0x80, 7 -#define RG_PHY_ED_LEVEL (0x07) -#define SR_ED_LEVEL 0x07, 0xff, 0 -#define RG_PHY_CC_CCA (0x08) -#define SR_CHANNEL 0x08, 0x1f, 0 -#define SR_CCA_MODE 0x08, 0x60, 5 -#define SR_CCA_REQUEST 0x08, 0x80, 7 -#define RG_CCA_THRES (0x09) -#define SR_CCA_ED_THRES 0x09, 0x0f, 0 -#define SR_RESERVED_09_1 0x09, 0xf0, 4 -#define RG_RX_CTRL (0x0a) -#define SR_PDT_THRES 0x0a, 0x0f, 0 -#define SR_RESERVED_0a_1 0x0a, 0xf0, 4 -#define RG_SFD_VALUE (0x0b) -#define SR_SFD_VALUE 0x0b, 0xff, 0 -#define RG_TRX_CTRL_2 (0x0c) -#define SR_OQPSK_DATA_RATE 0x0c, 0x03, 0 -#define SR_RESERVED_0c_2 0x0c, 0x7c, 2 -#define SR_RX_SAFE_MODE 0x0c, 0x80, 7 -#define RG_ANT_DIV (0x0d) -#define SR_ANT_CTRL 0x0d, 0x03, 0 -#define SR_ANT_EXT_SW_EN 0x0d, 0x04, 2 -#define SR_ANT_DIV_EN 0x0d, 0x08, 3 -#define SR_RESERVED_0d_2 0x0d, 0x70, 4 -#define SR_ANT_SEL 0x0d, 0x80, 7 -#define RG_IRQ_MASK (0x0e) -#define SR_IRQ_MASK 0x0e, 0xff, 0 -#define RG_IRQ_STATUS (0x0f) -#define SR_IRQ_0_PLL_LOCK 0x0f, 0x01, 0 -#define SR_IRQ_1_PLL_UNLOCK 0x0f, 0x02, 1 -#define SR_IRQ_2_RX_START 0x0f, 0x04, 2 -#define SR_IRQ_3_TRX_END 0x0f, 0x08, 3 -#define SR_IRQ_4_CCA_ED_DONE 0x0f, 0x10, 4 -#define SR_IRQ_5_AMI 0x0f, 0x20, 5 -#define SR_IRQ_6_TRX_UR 0x0f, 0x40, 6 -#define SR_IRQ_7_BAT_LOW 0x0f, 0x80, 7 -#define RG_VREG_CTRL (0x10) -#define SR_RESERVED_10_6 0x10, 0x03, 0 -#define SR_DVDD_OK 0x10, 0x04, 2 -#define SR_DVREG_EXT 0x10, 0x08, 3 -#define SR_RESERVED_10_3 0x10, 0x30, 4 -#define SR_AVDD_OK 0x10, 0x40, 6 -#define SR_AVREG_EXT 0x10, 0x80, 7 -#define RG_BATMON (0x11) -#define SR_BATMON_VTH 0x11, 0x0f, 0 -#define SR_BATMON_HR 0x11, 0x10, 4 -#define SR_BATMON_OK 0x11, 0x20, 5 -#define SR_RESERVED_11_1 0x11, 0xc0, 6 -#define RG_XOSC_CTRL (0x12) -#define SR_XTAL_TRIM 0x12, 0x0f, 0 -#define SR_XTAL_MODE 0x12, 0xf0, 4 -#define RG_RX_SYN (0x15) -#define SR_RX_PDT_LEVEL 0x15, 0x0f, 0 -#define SR_RESERVED_15_2 0x15, 0x70, 4 -#define SR_RX_PDT_DIS 0x15, 0x80, 7 -#define RG_XAH_CTRL_1 (0x17) -#define SR_RESERVED_17_8 0x17, 0x01, 0 -#define SR_AACK_PROM_MODE 0x17, 0x02, 1 -#define SR_AACK_ACK_TIME 0x17, 0x04, 2 -#define SR_RESERVED_17_5 0x17, 0x08, 3 -#define SR_AACK_UPLD_RES_FT 0x17, 0x10, 4 -#define SR_AACK_FLTR_RES_FT 0x17, 0x20, 5 -#define SR_RESERVED_17_2 0x17, 0x40, 6 -#define SR_RESERVED_17_1 0x17, 0x80, 7 -#define RG_FTN_CTRL (0x18) -#define SR_RESERVED_18_2 0x18, 0x7f, 0 -#define SR_FTN_START 0x18, 0x80, 7 -#define RG_PLL_CF (0x1a) -#define SR_RESERVED_1a_2 0x1a, 0x7f, 0 -#define SR_PLL_CF_START 0x1a, 0x80, 7 -#define RG_PLL_DCU (0x1b) -#define SR_RESERVED_1b_3 0x1b, 0x3f, 0 -#define SR_RESERVED_1b_2 0x1b, 0x40, 6 -#define SR_PLL_DCU_START 0x1b, 0x80, 7 -#define RG_PART_NUM (0x1c) -#define SR_PART_NUM 0x1c, 0xff, 0 -#define RG_VERSION_NUM (0x1d) -#define SR_VERSION_NUM 0x1d, 0xff, 0 -#define RG_MAN_ID_0 (0x1e) -#define SR_MAN_ID_0 0x1e, 0xff, 0 -#define RG_MAN_ID_1 (0x1f) -#define SR_MAN_ID_1 0x1f, 0xff, 0 -#define RG_SHORT_ADDR_0 (0x20) -#define SR_SHORT_ADDR_0 0x20, 0xff, 0 -#define RG_SHORT_ADDR_1 (0x21) -#define SR_SHORT_ADDR_1 0x21, 0xff, 0 -#define RG_PAN_ID_0 (0x22) -#define SR_PAN_ID_0 0x22, 0xff, 0 -#define RG_PAN_ID_1 (0x23) -#define SR_PAN_ID_1 0x23, 0xff, 0 -#define RG_IEEE_ADDR_0 (0x24) -#define SR_IEEE_ADDR_0 0x24, 0xff, 0 -#define RG_IEEE_ADDR_1 (0x25) -#define SR_IEEE_ADDR_1 0x25, 0xff, 0 -#define RG_IEEE_ADDR_2 (0x26) -#define SR_IEEE_ADDR_2 0x26, 0xff, 0 -#define RG_IEEE_ADDR_3 (0x27) -#define SR_IEEE_ADDR_3 0x27, 0xff, 0 -#define RG_IEEE_ADDR_4 (0x28) -#define SR_IEEE_ADDR_4 0x28, 0xff, 0 -#define RG_IEEE_ADDR_5 (0x29) -#define SR_IEEE_ADDR_5 0x29, 0xff, 0 -#define RG_IEEE_ADDR_6 (0x2a) -#define SR_IEEE_ADDR_6 0x2a, 0xff, 0 -#define RG_IEEE_ADDR_7 (0x2b) -#define SR_IEEE_ADDR_7 0x2b, 0xff, 0 -#define RG_XAH_CTRL_0 (0x2c) -#define SR_SLOTTED_OPERATION 0x2c, 0x01, 0 -#define SR_MAX_CSMA_RETRIES 0x2c, 0x0e, 1 -#define SR_MAX_FRAME_RETRIES 0x2c, 0xf0, 4 -#define RG_CSMA_SEED_0 (0x2d) -#define SR_CSMA_SEED_0 0x2d, 0xff, 0 -#define RG_CSMA_SEED_1 (0x2e) -#define SR_CSMA_SEED_1 0x2e, 0x07, 0 -#define SR_AACK_I_AM_COORD 0x2e, 0x08, 3 -#define SR_AACK_DIS_ACK 0x2e, 0x10, 4 -#define SR_AACK_SET_PD 0x2e, 0x20, 5 -#define SR_AACK_FVN_MODE 0x2e, 0xc0, 6 -#define RG_CSMA_BE (0x2f) -#define SR_MIN_BE 0x2f, 0x0f, 0 -#define SR_MAX_BE 0x2f, 0xf0, 4 - -#define CMD_REG 0x80 -#define CMD_REG_MASK 0x3f -#define CMD_WRITE 0x40 -#define CMD_FB 0x20 - -#define IRQ_BAT_LOW (1 << 7) -#define IRQ_TRX_UR (1 << 6) -#define IRQ_AMI (1 << 5) -#define IRQ_CCA_ED (1 << 4) -#define IRQ_TRX_END (1 << 3) -#define IRQ_RX_START (1 << 2) -#define IRQ_PLL_UNL (1 << 1) -#define IRQ_PLL_LOCK (1 << 0) - -#define STATE_P_ON 0x00 /* BUSY */ -#define STATE_BUSY_RX 0x01 -#define STATE_BUSY_TX 0x02 -#define STATE_FORCE_TRX_OFF 0x03 -#define STATE_FORCE_TX_ON 0x04 /* IDLE */ -/* 0x05 */ /* INVALID_PARAMETER */ -#define STATE_RX_ON 0x06 -/* 0x07 */ /* SUCCESS */ -#define STATE_TRX_OFF 0x08 -#define STATE_TX_ON 0x09 -/* 0x0a - 0x0e */ /* 0x0a - UNSUPPORTED_ATTRIBUTE */ -#define STATE_SLEEP 0x0F -#define STATE_BUSY_RX_AACK 0x11 -#define STATE_BUSY_TX_ARET 0x12 -#define STATE_BUSY_RX_AACK_ON 0x16 -#define STATE_BUSY_TX_ARET_ON 0x19 -#define STATE_RX_ON_NOCLK 0x1C -#define STATE_RX_AACK_ON_NOCLK 0x1D -#define STATE_BUSY_RX_AACK_NOCLK 0x1E -#define STATE_TRANSITION_IN_PROGRESS 0x1F - -static int -__at86rf230_write(struct at86rf230_local *lp, u8 addr, u8 data) -{ - u8 *buf = lp->buf; - int status; - struct spi_message msg; - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - }; - - buf[0] = (addr & CMD_REG_MASK) | CMD_REG | CMD_WRITE; - buf[1] = data; - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - status = spi_sync(lp->spi, &msg); - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - if (msg.status) - status = msg.status; - - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - - return status; -} - -static int -__at86rf230_read_subreg(struct at86rf230_local *lp, - u8 addr, u8 mask, int shift, u8 *data) -{ - u8 *buf = lp->buf; - int status; - struct spi_message msg; - struct spi_transfer xfer = { - .len = 2, - .tx_buf = buf, - .rx_buf = buf, - }; - - buf[0] = (addr & CMD_REG_MASK) | CMD_REG; - buf[1] = 0xff; - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - spi_message_init(&msg); - spi_message_add_tail(&xfer, &msg); - - status = spi_sync(lp->spi, &msg); - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - if (msg.status) - status = msg.status; - - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - - if (status == 0) - *data = buf[1]; - - return status; -} - -static int -at86rf230_read_subreg(struct at86rf230_local *lp, - u8 addr, u8 mask, int shift, u8 *data) -{ - int status; - - mutex_lock(&lp->bmux); - status = __at86rf230_read_subreg(lp, addr, mask, shift, data); - mutex_unlock(&lp->bmux); - - return status; -} - -static int -at86rf230_write_subreg(struct at86rf230_local *lp, - u8 addr, u8 mask, int shift, u8 data) -{ - int status; - u8 val; - - mutex_lock(&lp->bmux); - status = __at86rf230_read_subreg(lp, addr, 0xff, 0, &val); - if (status) - goto out; - - val &= ~mask; - val |= (data << shift) & mask; - - status = __at86rf230_write(lp, addr, val); -out: - mutex_unlock(&lp->bmux); - - return status; -} - -static int -at86rf230_write_fbuf(struct at86rf230_local *lp, u8 *data, u8 len) -{ - u8 *buf = lp->buf; - int status; - struct spi_message msg; - struct spi_transfer xfer_head = { - .len = 2, - .tx_buf = buf, - - }; - struct spi_transfer xfer_buf = { - .len = len, - .tx_buf = data, - }; - - mutex_lock(&lp->bmux); - buf[0] = CMD_WRITE | CMD_FB; - buf[1] = len + 2; /* 2 bytes for CRC that isn't written */ - - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - - spi_message_init(&msg); - spi_message_add_tail(&xfer_head, &msg); - spi_message_add_tail(&xfer_buf, &msg); - - status = spi_sync(lp->spi, &msg); - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - if (msg.status) - status = msg.status; - - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - - mutex_unlock(&lp->bmux); - return status; -} - -static int -at86rf230_read_fbuf(struct at86rf230_local *lp, u8 *data, u8 *len, u8 *lqi) -{ - u8 *buf = lp->buf; - int status; - struct spi_message msg; - struct spi_transfer xfer_head = { - .len = 2, - .tx_buf = buf, - .rx_buf = buf, - }; - struct spi_transfer xfer_head1 = { - .len = 2, - .tx_buf = buf, - .rx_buf = buf, - }; - struct spi_transfer xfer_buf = { - .len = 0, - .rx_buf = data, - }; - - mutex_lock(&lp->bmux); - - buf[0] = CMD_FB; - buf[1] = 0x00; - - spi_message_init(&msg); - spi_message_add_tail(&xfer_head, &msg); - - status = spi_sync(lp->spi, &msg); - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - - xfer_buf.len = *(buf + 1) + 1; - *len = buf[1]; - - buf[0] = CMD_FB; - buf[1] = 0x00; - - spi_message_init(&msg); - spi_message_add_tail(&xfer_head1, &msg); - spi_message_add_tail(&xfer_buf, &msg); - - status = spi_sync(lp->spi, &msg); - - if (msg.status) - status = msg.status; - - dev_vdbg(&lp->spi->dev, "status = %d\n", status); - dev_vdbg(&lp->spi->dev, "buf[0] = %02x\n", buf[0]); - dev_vdbg(&lp->spi->dev, "buf[1] = %02x\n", buf[1]); - - if (status) { - if (lqi && (*len > lp->buf[1])) - *lqi = data[lp->buf[1]]; - } - mutex_unlock(&lp->bmux); - - return status; -} - -static int -at86rf230_ed(struct ieee802154_dev *dev, u8 *level) -{ - might_sleep(); - BUG_ON(!level); - *level = 0xbe; - return 0; -} - -static int -at86rf230_state(struct ieee802154_dev *dev, int state) -{ - struct at86rf230_local *lp = dev->priv; - int rc; - u8 val; - u8 desired_status; - - might_sleep(); - - if (state == STATE_FORCE_TX_ON) - desired_status = STATE_TX_ON; - else if (state == STATE_FORCE_TRX_OFF) - desired_status = STATE_TRX_OFF; - else - desired_status = state; - - do { - rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &val); - if (rc) - goto err; - } while (val == STATE_TRANSITION_IN_PROGRESS); - - if (val == desired_status) - return 0; - - /* state is equal to phy states */ - rc = at86rf230_write_subreg(lp, SR_TRX_CMD, state); - if (rc) - goto err; - - do { - rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &val); - if (rc) - goto err; - } while (val == STATE_TRANSITION_IN_PROGRESS); - - - if (val == desired_status) - return 0; - - pr_err("unexpected state change: %d, asked for %d\n", val, state); - return -EBUSY; - -err: - pr_err("error: %d\n", rc); - return rc; -} - -static int -at86rf230_start(struct ieee802154_dev *dev) -{ - struct at86rf230_local *lp = dev->priv; - u8 rc; - - rc = at86rf230_write_subreg(lp, SR_RX_SAFE_MODE, 1); - if (rc) - return rc; - - return at86rf230_state(dev, STATE_RX_ON); -} - -static void -at86rf230_stop(struct ieee802154_dev *dev) -{ - at86rf230_state(dev, STATE_FORCE_TRX_OFF); -} - -static int -at86rf230_channel(struct ieee802154_dev *dev, int page, int channel) -{ - struct at86rf230_local *lp = dev->priv; - int rc; - - might_sleep(); - - if (page != 0 || channel < 11 || channel > 26) { - WARN_ON(1); - return -EINVAL; - } - - rc = at86rf230_write_subreg(lp, SR_CHANNEL, channel); - msleep(1); /* Wait for PLL */ - dev->phy->current_channel = channel; - - return 0; -} - -static int -at86rf230_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) -{ - struct at86rf230_local *lp = dev->priv; - int rc; - unsigned long flags; - - spin_lock(&lp->lock); - if (lp->irq_disabled) { - spin_unlock(&lp->lock); - return -EBUSY; - } - spin_unlock(&lp->lock); - - might_sleep(); - - rc = at86rf230_state(dev, STATE_FORCE_TX_ON); - if (rc) - goto err; - - spin_lock_irqsave(&lp->lock, flags); - lp->is_tx = 1; - INIT_COMPLETION(lp->tx_complete); - spin_unlock_irqrestore(&lp->lock, flags); - - rc = at86rf230_write_fbuf(lp, skb->data, skb->len); - if (rc) - goto err_rx; - - rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_BUSY_TX); - if (rc) - goto err_rx; - - rc = wait_for_completion_interruptible(&lp->tx_complete); - if (rc < 0) - goto err_rx; - - rc = at86rf230_start(dev); - - return rc; - -err_rx: - at86rf230_start(dev); -err: - pr_err("error: %d\n", rc); - - spin_lock_irqsave(&lp->lock, flags); - lp->is_tx = 0; - spin_unlock_irqrestore(&lp->lock, flags); - - return rc; -} - -static int at86rf230_rx(struct at86rf230_local *lp) -{ - u8 len = 128, lqi = 0; - struct sk_buff *skb; - - skb = alloc_skb(len, GFP_KERNEL); - - if (!skb) - return -ENOMEM; - - if (at86rf230_read_fbuf(lp, skb_put(skb, len), &len, &lqi)) - goto err; - - if (len < 2) - goto err; - - skb_trim(skb, len - 2); /* We do not put CRC into the frame */ - - ieee802154_rx_irqsafe(lp->dev, skb, lqi); - - dev_dbg(&lp->spi->dev, "READ_FBUF: %d %x\n", len, lqi); - - return 0; -err: - pr_debug("received frame is too small\n"); - - kfree_skb(skb); - return -EINVAL; -} - -static struct ieee802154_ops at86rf230_ops = { - .owner = THIS_MODULE, - .xmit = at86rf230_xmit, - .ed = at86rf230_ed, - .set_channel = at86rf230_channel, - .start = at86rf230_start, - .stop = at86rf230_stop, -}; - -static void at86rf230_irqwork(struct work_struct *work) -{ - struct at86rf230_local *lp = - container_of(work, struct at86rf230_local, irqwork); - u8 status = 0, val; - int rc; - unsigned long flags; - - rc = at86rf230_read_subreg(lp, RG_IRQ_STATUS, 0xff, 0, &val); - status |= val; - - status &= ~IRQ_PLL_LOCK; /* ignore */ - status &= ~IRQ_RX_START; /* ignore */ - status &= ~IRQ_AMI; /* ignore */ - status &= ~IRQ_TRX_UR; /* FIXME: possibly handle ???*/ - - if (status & IRQ_TRX_END) { - spin_lock_irqsave(&lp->lock, flags); - status &= ~IRQ_TRX_END; - if (lp->is_tx) { - lp->is_tx = 0; - spin_unlock_irqrestore(&lp->lock, flags); - complete(&lp->tx_complete); - } else { - spin_unlock_irqrestore(&lp->lock, flags); - at86rf230_rx(lp); - } - } - - spin_lock_irqsave(&lp->lock, flags); - lp->irq_disabled = 0; - spin_unlock_irqrestore(&lp->lock, flags); - - enable_irq(lp->spi->irq); -} - -static irqreturn_t at86rf230_isr(int irq, void *data) -{ - struct at86rf230_local *lp = data; - - disable_irq_nosync(irq); - - spin_lock(&lp->lock); - lp->irq_disabled = 1; - spin_unlock(&lp->lock); - - schedule_work(&lp->irqwork); - - return IRQ_HANDLED; -} - - -static int at86rf230_hw_init(struct at86rf230_local *lp) -{ - u8 status; - int rc; - - rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status); - if (rc) - return rc; - - dev_info(&lp->spi->dev, "Status: %02x\n", status); - if (status == STATE_P_ON) { - rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_TRX_OFF); - if (rc) - return rc; - msleep(1); - rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status); - if (rc) - return rc; - dev_info(&lp->spi->dev, "Status: %02x\n", status); - } - - rc = at86rf230_write_subreg(lp, SR_IRQ_MASK, 0xff); /* IRQ_TRX_UR | - * IRQ_CCA_ED | - * IRQ_TRX_END | - * IRQ_PLL_UNL | - * IRQ_PLL_LOCK - */ - if (rc) - return rc; - - /* CLKM changes are applied immediately */ - rc = at86rf230_write_subreg(lp, SR_CLKM_SHA_SEL, 0x00); - if (rc) - return rc; - - /* Turn CLKM Off */ - rc = at86rf230_write_subreg(lp, SR_CLKM_CTRL, 0x00); - if (rc) - return rc; - /* Wait the next SLEEP cycle */ - msleep(100); - - rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_TX_ON); - if (rc) - return rc; - msleep(1); - - rc = at86rf230_read_subreg(lp, SR_TRX_STATUS, &status); - if (rc) - return rc; - dev_info(&lp->spi->dev, "Status: %02x\n", status); - - rc = at86rf230_read_subreg(lp, SR_DVDD_OK, &status); - if (rc) - return rc; - if (!status) { - dev_err(&lp->spi->dev, "DVDD error\n"); - return -EINVAL; - } - - rc = at86rf230_read_subreg(lp, SR_AVDD_OK, &status); - if (rc) - return rc; - if (!status) { - dev_err(&lp->spi->dev, "AVDD error\n"); - return -EINVAL; - } - - return 0; -} - -static int at86rf230_suspend(struct spi_device *spi, pm_message_t message) -{ - return 0; -} - -static int at86rf230_resume(struct spi_device *spi) -{ - return 0; -} - -static int at86rf230_fill_data(struct spi_device *spi) -{ - struct at86rf230_local *lp = spi_get_drvdata(spi); - struct at86rf230_platform_data *pdata = spi->dev.platform_data; - - if (!pdata) { - dev_err(&spi->dev, "no platform_data\n"); - return -EINVAL; - } - - lp->rstn = pdata->rstn; - lp->slp_tr = pdata->slp_tr; - lp->dig2 = pdata->dig2; - - return 0; -} - -static int __devinit at86rf230_probe(struct spi_device *spi) -{ - struct ieee802154_dev *dev; - struct at86rf230_local *lp; - u8 man_id_0, man_id_1; - int rc; - const char *chip; - int supported = 0; - - if (!spi->irq) { - dev_err(&spi->dev, "no IRQ specified\n"); - return -EINVAL; - } - - dev = ieee802154_alloc_device(sizeof(*lp), &at86rf230_ops); - if (!dev) - return -ENOMEM; - - lp = dev->priv; - lp->dev = dev; - - lp->spi = spi; - - dev->priv = lp; - dev->parent = &spi->dev; - dev->extra_tx_headroom = 0; - /* We do support only 2.4 Ghz */ - dev->phy->channels_supported[0] = 0x7FFF800; - dev->flags = IEEE802154_HW_OMIT_CKSUM; - - mutex_init(&lp->bmux); - INIT_WORK(&lp->irqwork, at86rf230_irqwork); - spin_lock_init(&lp->lock); - init_completion(&lp->tx_complete); - - spi_set_drvdata(spi, lp); - - rc = at86rf230_fill_data(spi); - if (rc) - goto err_fill; - - rc = gpio_request(lp->rstn, "rstn"); - if (rc) - goto err_rstn; - - if (gpio_is_valid(lp->slp_tr)) { - rc = gpio_request(lp->slp_tr, "slp_tr"); - if (rc) - goto err_slp_tr; - } - - rc = gpio_direction_output(lp->rstn, 1); - if (rc) - goto err_gpio_dir; - - if (gpio_is_valid(lp->slp_tr)) { - rc = gpio_direction_output(lp->slp_tr, 0); - if (rc) - goto err_gpio_dir; - } - - /* Reset */ - msleep(1); - gpio_set_value(lp->rstn, 0); - msleep(1); - gpio_set_value(lp->rstn, 1); - msleep(1); - - rc = at86rf230_read_subreg(lp, SR_MAN_ID_0, &man_id_0); - if (rc) - goto err_gpio_dir; - rc = at86rf230_read_subreg(lp, SR_MAN_ID_1, &man_id_1); - if (rc) - goto err_gpio_dir; - - if (man_id_1 != 0x00 || man_id_0 != 0x1f) { - dev_err(&spi->dev, "Non-Atmel dev found (MAN_ID %02x %02x)\n", - man_id_1, man_id_0); - rc = -EINVAL; - goto err_gpio_dir; - } - - rc = at86rf230_read_subreg(lp, SR_PART_NUM, &lp->part); - if (rc) - goto err_gpio_dir; - - rc = at86rf230_read_subreg(lp, SR_VERSION_NUM, &lp->vers); - if (rc) - goto err_gpio_dir; - - switch (lp->part) { - case 2: - chip = "at86rf230"; - /* supported = 1; FIXME: should be easy to support; */ - break; - case 3: - chip = "at86rf231"; - supported = 1; - break; - default: - chip = "UNKNOWN"; - break; - } - - dev_info(&spi->dev, "Detected %s chip version %d\n", chip, lp->vers); - if (!supported) { - rc = -ENOTSUPP; - goto err_gpio_dir; - } - - rc = at86rf230_hw_init(lp); - if (rc) - goto err_gpio_dir; - - rc = request_irq(spi->irq, at86rf230_isr, IRQF_SHARED, - dev_name(&spi->dev), lp); - if (rc) - goto err_gpio_dir; - - rc = ieee802154_register_device(lp->dev); - if (rc) - goto err_irq; - - return rc; - - ieee802154_unregister_device(lp->dev); -err_irq: - free_irq(spi->irq, lp); - flush_work(&lp->irqwork); -err_gpio_dir: - if (gpio_is_valid(lp->slp_tr)) - gpio_free(lp->slp_tr); -err_slp_tr: - gpio_free(lp->rstn); -err_rstn: -err_fill: - spi_set_drvdata(spi, NULL); - mutex_destroy(&lp->bmux); - ieee802154_free_device(lp->dev); - return rc; -} - -static int __devexit at86rf230_remove(struct spi_device *spi) -{ - struct at86rf230_local *lp = spi_get_drvdata(spi); - - ieee802154_unregister_device(lp->dev); - - free_irq(spi->irq, lp); - flush_work(&lp->irqwork); - - if (gpio_is_valid(lp->slp_tr)) - gpio_free(lp->slp_tr); - gpio_free(lp->rstn); - - spi_set_drvdata(spi, NULL); - mutex_destroy(&lp->bmux); - ieee802154_free_device(lp->dev); - - dev_dbg(&spi->dev, "unregistered at86rf230\n"); - return 0; -} - -static struct spi_driver at86rf230_driver = { - .driver = { - .name = "at86rf230", - .owner = THIS_MODULE, - }, - .probe = at86rf230_probe, - .remove = __devexit_p(at86rf230_remove), - .suspend = at86rf230_suspend, - .resume = at86rf230_resume, -}; - -module_spi_driver(at86rf230_driver); - -MODULE_DESCRIPTION("AT86RF230 Transceiver Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/ieee802154/fakehard.c b/drivers/ieee802154/fakehard.c deleted file mode 100644 index 73d453159408..000000000000 --- a/drivers/ieee802154/fakehard.c +++ /dev/null @@ -1,449 +0,0 @@ -/* - * Sample driver for HardMAC IEEE 802.15.4 devices - * - * Copyright (C) 2009 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Dmitry Eremin-Solenikov <dmitry.baryshkov@siemens.com> - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> - -#include <net/af_ieee802154.h> -#include <net/ieee802154_netdev.h> -#include <net/ieee802154.h> -#include <net/nl802154.h> -#include <net/wpan-phy.h> - -struct fakehard_priv { - struct wpan_phy *phy; -}; - -static struct wpan_phy *fake_to_phy(const struct net_device *dev) -{ - struct fakehard_priv *priv = netdev_priv(dev); - return priv->phy; -} - -/** - * fake_get_phy - Return a phy corresponding to this device. - * @dev: The network device for which to return the wan-phy object - * - * This function returns a wpan-phy object corresponding to the passed - * network device. Reference counter for wpan-phy object is incremented, - * so when the wpan-phy isn't necessary, you should drop the reference - * via @wpan_phy_put() call. - */ -static struct wpan_phy *fake_get_phy(const struct net_device *dev) -{ - struct wpan_phy *phy = fake_to_phy(dev); - return to_phy(get_device(&phy->dev)); -} - -/** - * fake_get_pan_id - Retrieve the PAN ID of the device. - * @dev: The network device to retrieve the PAN of. - * - * Return the ID of the PAN from the PIB. - */ -static u16 fake_get_pan_id(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return 0xeba1; -} - -/** - * fake_get_short_addr - Retrieve the short address of the device. - * @dev: The network device to retrieve the short address of. - * - * Returns the IEEE 802.15.4 short-form address cached for this - * device. If the device has not yet had a short address assigned - * then this should return 0xFFFF to indicate a lack of association. - */ -static u16 fake_get_short_addr(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return 0x1; -} - -/** - * fake_get_dsn - Retrieve the DSN of the device. - * @dev: The network device to retrieve the DSN for. - * - * Returns the IEEE 802.15.4 DSN for the network device. - * The DSN is the sequence number which will be added to each - * packet or MAC command frame by the MAC during transmission. - * - * DSN means 'Data Sequence Number'. - * - * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 - * document. - */ -static u8 fake_get_dsn(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return 0x00; /* DSN are implemented in HW, so return just 0 */ -} - -/** - * fake_get_bsn - Retrieve the BSN of the device. - * @dev: The network device to retrieve the BSN for. - * - * Returns the IEEE 802.15.4 BSN for the network device. - * The BSN is the sequence number which will be added to each - * beacon frame sent by the MAC. - * - * BSN means 'Beacon Sequence Number'. - * - * Note: This is in section 7.2.1.2 of the IEEE 802.15.4-2006 - * document. - */ -static u8 fake_get_bsn(const struct net_device *dev) -{ - BUG_ON(dev->type != ARPHRD_IEEE802154); - - return 0x00; /* BSN are implemented in HW, so return just 0 */ -} - -/** - * fake_assoc_req - Make an association request to the HW. - * @dev: The network device which we are associating to a network. - * @addr: The coordinator with which we wish to associate. - * @channel: The channel on which to associate. - * @cap: The capability information field to use in the association. - * - * Start an association with a coordinator. The coordinator's address - * and PAN ID can be found in @addr. - * - * Note: This is in section 7.3.1 and 7.5.3.1 of the IEEE - * 802.15.4-2006 document. - */ -static int fake_assoc_req(struct net_device *dev, - struct ieee802154_addr *addr, u8 channel, u8 page, u8 cap) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - mutex_lock(&phy->pib_lock); - phy->current_channel = channel; - phy->current_page = page; - mutex_unlock(&phy->pib_lock); - - /* We simply emulate it here */ - return ieee802154_nl_assoc_confirm(dev, fake_get_short_addr(dev), - IEEE802154_SUCCESS); -} - -/** - * fake_assoc_resp - Send an association response to a device. - * @dev: The network device on which to send the response. - * @addr: The address of the device to respond to. - * @short_addr: The assigned short address for the device (if any). - * @status: The result of the association request. - * - * Queue the association response of the coordinator to another - * device's attempt to associate with the network which we - * coordinate. This is then added to the indirect-send queue to be - * transmitted to the end device when it polls for data. - * - * Note: This is in section 7.3.2 and 7.5.3.1 of the IEEE - * 802.15.4-2006 document. - */ -static int fake_assoc_resp(struct net_device *dev, - struct ieee802154_addr *addr, u16 short_addr, u8 status) -{ - return 0; -} - -/** - * fake_disassoc_req - Disassociate a device from a network. - * @dev: The network device on which we're disassociating a device. - * @addr: The device to disassociate from the network. - * @reason: The reason to give to the device for being disassociated. - * - * This sends a disassociation notification to the device being - * disassociated from the network. - * - * Note: This is in section 7.5.3.2 of the IEEE 802.15.4-2006 - * document, with the reason described in 7.3.3.2. - */ -static int fake_disassoc_req(struct net_device *dev, - struct ieee802154_addr *addr, u8 reason) -{ - return ieee802154_nl_disassoc_confirm(dev, IEEE802154_SUCCESS); -} - -/** - * fake_start_req - Start an IEEE 802.15.4 PAN. - * @dev: The network device on which to start the PAN. - * @addr: The coordinator address to use when starting the PAN. - * @channel: The channel on which to start the PAN. - * @bcn_ord: Beacon order. - * @sf_ord: Superframe order. - * @pan_coord: Whether or not we are the PAN coordinator or just - * requesting a realignment perhaps? - * @blx: Battery Life Extension feature bitfield. - * @coord_realign: Something to realign something else. - * - * If pan_coord is non-zero then this starts a network with the - * provided parameters, otherwise it attempts a coordinator - * realignment of the stated network instead. - * - * Note: This is in section 7.5.2.3 of the IEEE 802.15.4-2006 - * document, with 7.3.8 describing coordinator realignment. - */ -static int fake_start_req(struct net_device *dev, struct ieee802154_addr *addr, - u8 channel, u8 page, - u8 bcn_ord, u8 sf_ord, u8 pan_coord, u8 blx, - u8 coord_realign) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - mutex_lock(&phy->pib_lock); - phy->current_channel = channel; - phy->current_page = page; - mutex_unlock(&phy->pib_lock); - - /* We don't emulate beacons here at all, so START should fail */ - ieee802154_nl_start_confirm(dev, IEEE802154_INVALID_PARAMETER); - return 0; -} - -/** - * fake_scan_req - Start a channel scan. - * @dev: The network device on which to perform a channel scan. - * @type: The type of scan to perform. - * @channels: The channel bitmask to scan. - * @duration: How long to spend on each channel. - * - * This starts either a passive (energy) scan or an active (PAN) scan - * on the channels indicated in the @channels bitmask. The duration of - * the scan is measured in terms of superframe duration. Specifically, - * the scan will spend aBaseSuperFrameDuration * ((2^n) + 1) on each - * channel. - * - * Note: This is in section 7.5.2.1 of the IEEE 802.15.4-2006 document. - */ -static int fake_scan_req(struct net_device *dev, u8 type, u32 channels, - u8 page, u8 duration) -{ - u8 edl[27] = {}; - return ieee802154_nl_scan_confirm(dev, IEEE802154_SUCCESS, type, - channels, page, - type == IEEE802154_MAC_SCAN_ED ? edl : NULL); -} - -static struct ieee802154_mlme_ops fake_mlme = { - .assoc_req = fake_assoc_req, - .assoc_resp = fake_assoc_resp, - .disassoc_req = fake_disassoc_req, - .start_req = fake_start_req, - .scan_req = fake_scan_req, - - .get_phy = fake_get_phy, - - .get_pan_id = fake_get_pan_id, - .get_short_addr = fake_get_short_addr, - .get_dsn = fake_get_dsn, - .get_bsn = fake_get_bsn, -}; - -static int ieee802154_fake_open(struct net_device *dev) -{ - netif_start_queue(dev); - return 0; -} - -static int ieee802154_fake_close(struct net_device *dev) -{ - netif_stop_queue(dev); - return 0; -} - -static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - - /* FIXME: do hardware work here ... */ - - dev_kfree_skb(skb); - return NETDEV_TX_OK; -} - - -static int ieee802154_fake_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) -{ - struct sockaddr_ieee802154 *sa = - (struct sockaddr_ieee802154 *)&ifr->ifr_addr; - u16 pan_id, short_addr; - - switch (cmd) { - case SIOCGIFADDR: - /* FIXME: fixed here, get from device IRL */ - pan_id = fake_get_pan_id(dev); - short_addr = fake_get_short_addr(dev); - if (pan_id == IEEE802154_PANID_BROADCAST || - short_addr == IEEE802154_ADDR_BROADCAST) - return -EADDRNOTAVAIL; - - sa->family = AF_IEEE802154; - sa->addr.addr_type = IEEE802154_ADDR_SHORT; - sa->addr.pan_id = pan_id; - sa->addr.short_addr = short_addr; - return 0; - } - return -ENOIOCTLCMD; -} - -static int ieee802154_fake_mac_addr(struct net_device *dev, void *p) -{ - return -EBUSY; /* HW address is built into the device */ -} - -static const struct net_device_ops fake_ops = { - .ndo_open = ieee802154_fake_open, - .ndo_stop = ieee802154_fake_close, - .ndo_start_xmit = ieee802154_fake_xmit, - .ndo_do_ioctl = ieee802154_fake_ioctl, - .ndo_set_mac_address = ieee802154_fake_mac_addr, -}; - -static void ieee802154_fake_destruct(struct net_device *dev) -{ - struct wpan_phy *phy = fake_to_phy(dev); - - wpan_phy_unregister(phy); - free_netdev(dev); - wpan_phy_free(phy); -} - -static void ieee802154_fake_setup(struct net_device *dev) -{ - dev->addr_len = IEEE802154_ADDR_LEN; - memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN); - dev->features = NETIF_F_HW_CSUM; - dev->needed_tailroom = 2; /* FCS */ - dev->mtu = 127; - dev->tx_queue_len = 10; - dev->type = ARPHRD_IEEE802154; - dev->flags = IFF_NOARP | IFF_BROADCAST; - dev->watchdog_timeo = 0; - dev->destructor = ieee802154_fake_destruct; -} - - -static int __devinit ieee802154fake_probe(struct platform_device *pdev) -{ - struct net_device *dev; - struct fakehard_priv *priv; - struct wpan_phy *phy = wpan_phy_alloc(0); - int err; - - if (!phy) - return -ENOMEM; - - dev = alloc_netdev(sizeof(struct fakehard_priv), "hardwpan%d", ieee802154_fake_setup); - if (!dev) { - wpan_phy_free(phy); - return -ENOMEM; - } - - memcpy(dev->dev_addr, "\xba\xbe\xca\xfe\xde\xad\xbe\xef", - dev->addr_len); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - - /* - * For now we'd like to emulate 2.4 GHz-only device, - * both O-QPSK and CSS - */ - /* 2.4 GHz O-QPSK 802.15.4-2003 */ - phy->channels_supported[0] |= 0x7FFF800; - /* 2.4 GHz CSS 802.15.4a-2007 */ - phy->channels_supported[3] |= 0x3fff; - - phy->transmit_power = 0xbf; - - dev->netdev_ops = &fake_ops; - dev->ml_priv = &fake_mlme; - - priv = netdev_priv(dev); - priv->phy = phy; - - wpan_phy_set_dev(phy, &pdev->dev); - SET_NETDEV_DEV(dev, &phy->dev); - - platform_set_drvdata(pdev, dev); - - err = wpan_phy_register(phy); - if (err) - goto out; - - err = register_netdev(dev); - if (err < 0) - goto out; - - dev_info(&pdev->dev, "Added ieee802154 HardMAC hardware\n"); - return 0; - -out: - unregister_netdev(dev); - return err; -} - -static int __devexit ieee802154fake_remove(struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - unregister_netdev(dev); - return 0; -} - -static struct platform_device *ieee802154fake_dev; - -static struct platform_driver ieee802154fake_driver = { - .probe = ieee802154fake_probe, - .remove = __devexit_p(ieee802154fake_remove), - .driver = { - .name = "ieee802154hardmac", - .owner = THIS_MODULE, - }, -}; - -static __init int fake_init(void) -{ - ieee802154fake_dev = platform_device_register_simple( - "ieee802154hardmac", -1, NULL, 0); - return platform_driver_register(&ieee802154fake_driver); -} - -static __exit void fake_exit(void) -{ - platform_driver_unregister(&ieee802154fake_driver); - platform_device_unregister(ieee802154fake_dev); -} - -module_init(fake_init); -module_exit(fake_exit); -MODULE_LICENSE("GPL"); - diff --git a/drivers/ieee802154/fakelb.c b/drivers/ieee802154/fakelb.c deleted file mode 100644 index e7456fcd0913..000000000000 --- a/drivers/ieee802154/fakelb.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Loopback IEEE 802.15.4 interface - * - * Copyright 2007-2012 Siemens AG - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Written by: - * Sergey Lapin <slapin@ossfans.org> - * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> - * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> - */ - -#include <linux/module.h> -#include <linux/timer.h> -#include <linux/platform_device.h> -#include <linux/netdevice.h> -#include <linux/spinlock.h> -#include <net/mac802154.h> -#include <net/wpan-phy.h> - -static int numlbs = 1; - -struct fakelb_dev_priv { - struct ieee802154_dev *dev; - - struct list_head list; - struct fakelb_priv *fake; - - spinlock_t lock; - bool working; -}; - -struct fakelb_priv { - struct list_head list; - rwlock_t lock; -}; - -static int -fakelb_hw_ed(struct ieee802154_dev *dev, u8 *level) -{ - might_sleep(); - BUG_ON(!level); - *level = 0xbe; - - return 0; -} - -static int -fakelb_hw_channel(struct ieee802154_dev *dev, int page, int channel) -{ - pr_debug("set channel to %d\n", channel); - - might_sleep(); - dev->phy->current_page = page; - dev->phy->current_channel = channel; - - return 0; -} - -static void -fakelb_hw_deliver(struct fakelb_dev_priv *priv, struct sk_buff *skb) -{ - struct sk_buff *newskb; - - spin_lock(&priv->lock); - if (priv->working) { - newskb = pskb_copy(skb, GFP_ATOMIC); - ieee802154_rx_irqsafe(priv->dev, newskb, 0xcc); - } - spin_unlock(&priv->lock); -} - -static int -fakelb_hw_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) -{ - struct fakelb_dev_priv *priv = dev->priv; - struct fakelb_priv *fake = priv->fake; - - might_sleep(); - - read_lock_bh(&fake->lock); - if (priv->list.next == priv->list.prev) { - /* we are the only one device */ - fakelb_hw_deliver(priv, skb); - } else { - struct fakelb_dev_priv *dp; - list_for_each_entry(dp, &priv->fake->list, list) { - if (dp != priv && - (dp->dev->phy->current_channel == - priv->dev->phy->current_channel)) - fakelb_hw_deliver(dp, skb); - } - } - read_unlock_bh(&fake->lock); - - return 0; -} - -static int -fakelb_hw_start(struct ieee802154_dev *dev) { - struct fakelb_dev_priv *priv = dev->priv; - int ret = 0; - - spin_lock(&priv->lock); - if (priv->working) - ret = -EBUSY; - else - priv->working = 1; - spin_unlock(&priv->lock); - - return ret; -} - -static void -fakelb_hw_stop(struct ieee802154_dev *dev) { - struct fakelb_dev_priv *priv = dev->priv; - - spin_lock(&priv->lock); - priv->working = 0; - spin_unlock(&priv->lock); -} - -static struct ieee802154_ops fakelb_ops = { - .owner = THIS_MODULE, - .xmit = fakelb_hw_xmit, - .ed = fakelb_hw_ed, - .set_channel = fakelb_hw_channel, - .start = fakelb_hw_start, - .stop = fakelb_hw_stop, -}; - -/* Number of dummy devices to be set up by this module. */ -module_param(numlbs, int, 0); -MODULE_PARM_DESC(numlbs, " number of pseudo devices"); - -static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake) -{ - struct fakelb_dev_priv *priv; - int err; - struct ieee802154_dev *ieee; - - ieee = ieee802154_alloc_device(sizeof(*priv), &fakelb_ops); - if (!ieee) - return -ENOMEM; - - priv = ieee->priv; - priv->dev = ieee; - - /* 868 MHz BPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 1; - /* 915 MHz BPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 0x7fe; - /* 2.4 GHz O-QPSK 802.15.4-2003 */ - ieee->phy->channels_supported[0] |= 0x7FFF800; - /* 868 MHz ASK 802.15.4-2006 */ - ieee->phy->channels_supported[1] |= 1; - /* 915 MHz ASK 802.15.4-2006 */ - ieee->phy->channels_supported[1] |= 0x7fe; - /* 868 MHz O-QPSK 802.15.4-2006 */ - ieee->phy->channels_supported[2] |= 1; - /* 915 MHz O-QPSK 802.15.4-2006 */ - ieee->phy->channels_supported[2] |= 0x7fe; - /* 2.4 GHz CSS 802.15.4a-2007 */ - ieee->phy->channels_supported[3] |= 0x3fff; - /* UWB Sub-gigahertz 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 1; - /* UWB Low band 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 0x1e; - /* UWB High band 802.15.4a-2007 */ - ieee->phy->channels_supported[4] |= 0xffe0; - /* 750 MHz O-QPSK 802.15.4c-2009 */ - ieee->phy->channels_supported[5] |= 0xf; - /* 750 MHz MPSK 802.15.4c-2009 */ - ieee->phy->channels_supported[5] |= 0xf0; - /* 950 MHz BPSK 802.15.4d-2009 */ - ieee->phy->channels_supported[6] |= 0x3ff; - /* 950 MHz GFSK 802.15.4d-2009 */ - ieee->phy->channels_supported[6] |= 0x3ffc00; - - INIT_LIST_HEAD(&priv->list); - priv->fake = fake; - - spin_lock_init(&priv->lock); - - ieee->parent = dev; - - err = ieee802154_register_device(ieee); - if (err) - goto err_reg; - - write_lock_bh(&fake->lock); - list_add_tail(&priv->list, &fake->list); - write_unlock_bh(&fake->lock); - - return 0; - -err_reg: - ieee802154_free_device(priv->dev); - return err; -} - -static void fakelb_del(struct fakelb_dev_priv *priv) -{ - write_lock_bh(&priv->fake->lock); - list_del(&priv->list); - write_unlock_bh(&priv->fake->lock); - - ieee802154_unregister_device(priv->dev); - ieee802154_free_device(priv->dev); -} - -static int __devinit fakelb_probe(struct platform_device *pdev) -{ - struct fakelb_priv *priv; - struct fakelb_dev_priv *dp; - int err = -ENOMEM; - int i; - - priv = kzalloc(sizeof(struct fakelb_priv), GFP_KERNEL); - if (!priv) - goto err_alloc; - - INIT_LIST_HEAD(&priv->list); - rwlock_init(&priv->lock); - - for (i = 0; i < numlbs; i++) { - err = fakelb_add_one(&pdev->dev, priv); - if (err < 0) - goto err_slave; - } - - platform_set_drvdata(pdev, priv); - dev_info(&pdev->dev, "added ieee802154 hardware\n"); - return 0; - -err_slave: - list_for_each_entry(dp, &priv->list, list) - fakelb_del(dp); - kfree(priv); -err_alloc: - return err; -} - -static int __devexit fakelb_remove(struct platform_device *pdev) -{ - struct fakelb_priv *priv = platform_get_drvdata(pdev); - struct fakelb_dev_priv *dp, *temp; - - list_for_each_entry_safe(dp, temp, &priv->list, list) - fakelb_del(dp); - kfree(priv); - - return 0; -} - -static struct platform_device *ieee802154fake_dev; - -static struct platform_driver ieee802154fake_driver = { - .probe = fakelb_probe, - .remove = __devexit_p(fakelb_remove), - .driver = { - .name = "ieee802154fakelb", - .owner = THIS_MODULE, - }, -}; - -static __init int fakelb_init_module(void) -{ - ieee802154fake_dev = platform_device_register_simple( - "ieee802154fakelb", -1, NULL, 0); - return platform_driver_register(&ieee802154fake_driver); -} - -static __exit void fake_remove_module(void) -{ - platform_driver_unregister(&ieee802154fake_driver); - platform_device_unregister(ieee802154fake_dev); -} - -module_init(fakelb_init_module); -module_exit(fake_remove_module); -MODULE_LICENSE("GPL"); |