Merge tag 'mt76-for-kvalo-2019-05-01' of https://github.com/nbd168/wireless

mt76 patches for 5.2

* share more code across drivers
* new driver for MT7615 chipsets
* rework DMA API
* tx/rx performance optimizations
* use NAPI for tx cleanup on mt76x02
* AP mode support for USB devices
* USB stability fixes
* tx power handling fixes for 76x2
* endian fixes

1 files changed, 520 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
new file mode 100644
index 000000000000..9455f8fa475d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
@@ -0,0 +1,520 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2019 MediaTek Inc. */
+
+#ifndef __MT7615_MCU_H
+#define __MT7615_MCU_H
+
+struct mt7615_mcu_txd {
+	__le32 txd[8];
+
+	__le16 len;
+	__le16 pq_id;
+
+	u8 cid;
+	u8 pkt_type;
+	u8 set_query; /* FW don't care */
+	u8 seq;
+
+	u8 uc_d2b0_rev;
+	u8 ext_cid;
+	u8 s2d_index;
+	u8 ext_cid_ack;
+
+	u32 reserved[5];
+} __packed __aligned(4);
+
+struct mt7615_mcu_rxd {
+	__le32 rxd[4];
+
+	__le16 len;
+	__le16 pkt_type_id;
+
+	u8 eid;
+	u8 seq;
+	__le16 __rsv;
+
+	u8 ext_eid;
+	u8 __rsv1[2];
+	u8 s2d_index;
+};
+
+#define MCU_PQ_ID(p, q)		(((p) << 15) | ((q) << 10))
+#define MCU_PKT_ID		0xa0
+
+enum {
+	MCU_Q_QUERY,
+	MCU_Q_SET,
+	MCU_Q_RESERVED,
+	MCU_Q_NA
+};
+
+enum {
+	MCU_S2D_H2N,
+	MCU_S2D_C2N,
+	MCU_S2D_H2C,
+	MCU_S2D_H2CN
+};
+
+enum {
+	MCU_CMD_TARGET_ADDRESS_LEN_REQ = 0x01,
+	MCU_CMD_FW_START_REQ = 0x02,
+	MCU_CMD_INIT_ACCESS_REG = 0x3,
+	MCU_CMD_PATCH_START_REQ = 0x05,
+	MCU_CMD_PATCH_FINISH_REQ = 0x07,
+	MCU_CMD_PATCH_SEM_CONTROL = 0x10,
+	MCU_CMD_EXT_CID = 0xED,
+	MCU_CMD_FW_SCATTER = 0xEE,
+	MCU_CMD_RESTART_DL_REQ = 0xEF,
+};
+
+enum {
+	MCU_EXT_CMD_PM_STATE_CTRL = 0x07,
+	MCU_EXT_CMD_CHANNEL_SWITCH = 0x08,
+	MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21,
+	MCU_EXT_CMD_STA_REC_UPDATE = 0x25,
+	MCU_EXT_CMD_BSS_INFO_UPDATE = 0x26,
+	MCU_EXT_CMD_EDCA_UPDATE = 0x27,
+	MCU_EXT_CMD_DEV_INFO_UPDATE = 0x2A,
+	MCU_EXT_CMD_WTBL_UPDATE = 0x32,
+	MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
+	MCU_EXT_CMD_MAC_INIT_CTRL = 0x46,
+	MCU_EXT_CMD_BCN_OFFLOAD = 0x49,
+	MCU_EXT_CMD_SET_RX_PATH = 0x4e,
+};
+
+enum {
+	PATCH_SEM_RELEASE = 0x0,
+	PATCH_SEM_GET	  = 0x1
+};
+
+enum {
+	PATCH_NOT_DL_SEM_FAIL	 = 0x0,
+	PATCH_IS_DL		 = 0x1,
+	PATCH_NOT_DL_SEM_SUCCESS = 0x2,
+	PATCH_REL_SEM_SUCCESS	 = 0x3
+};
+
+enum {
+	FW_STATE_INITIAL          = 0,
+	FW_STATE_FW_DOWNLOAD      = 1,
+	FW_STATE_NORMAL_OPERATION = 2,
+	FW_STATE_NORMAL_TRX       = 3,
+	FW_STATE_CR4_RDY          = 7
+};
+
+#define STA_TYPE_STA		BIT(0)
+#define STA_TYPE_AP		BIT(1)
+#define STA_TYPE_ADHOC		BIT(2)
+#define STA_TYPE_TDLS		BIT(3)
+#define STA_TYPE_WDS		BIT(4)
+#define STA_TYPE_BC		BIT(5)
+
+#define NETWORK_INFRA		BIT(16)
+#define NETWORK_P2P		BIT(17)
+#define NETWORK_IBSS		BIT(18)
+#define NETWORK_MESH		BIT(19)
+#define NETWORK_BOW		BIT(20)
+#define NETWORK_WDS		BIT(21)
+
+#define CONNECTION_INFRA_STA	(STA_TYPE_STA | NETWORK_INFRA)
+#define CONNECTION_INFRA_AP	(STA_TYPE_AP | NETWORK_INFRA)
+#define CONNECTION_P2P_GC	(STA_TYPE_STA | NETWORK_P2P)
+#define CONNECTION_P2P_GO	(STA_TYPE_AP | NETWORK_P2P)
+#define CONNECTION_MESH_STA	(STA_TYPE_STA | NETWORK_MESH)
+#define CONNECTION_MESH_AP	(STA_TYPE_AP | NETWORK_MESH)
+#define CONNECTION_IBSS_ADHOC	(STA_TYPE_ADHOC | NETWORK_IBSS)
+#define CONNECTION_TDLS		(STA_TYPE_STA | NETWORK_INFRA | STA_TYPE_TDLS)
+#define CONNECTION_WDS		(STA_TYPE_WDS | NETWORK_WDS)
+#define CONNECTION_INFRA_BC	(STA_TYPE_BC | NETWORK_INFRA)
+
+#define CONN_STATE_DISCONNECT	0
+#define CONN_STATE_CONNECT	1
+#define CONN_STATE_PORT_SECURE	2
+
+struct dev_info {
+	u8 omac_idx;
+	u8 omac_addr[ETH_ALEN];
+	u8 band_idx;
+	u8 enable;
+	u32 feature;
+};
+
+enum {
+	DEV_INFO_ACTIVE,
+	DEV_INFO_MAX_NUM
+};
+
+struct bss_info {
+	u8 bss_idx;
+	u8 bssid[ETH_ALEN];
+	u8 omac_idx;
+	u8 band_idx;
+	u8 bmc_tx_wlan_idx; /* for bmc tx (sta mode use uc entry) */
+	u8 wmm_idx;
+	u32 network_type;
+	u32 conn_type;
+	u16 bcn_interval;
+	u8 dtim_period;
+	u8 enable;
+	u32 feature;
+};
+
+struct bss_info_tag_handler {
+	u32 tag;
+	u32 len;
+	void (*handler)(struct mt7615_dev *dev,
+			struct bss_info *bss_info, struct sk_buff *skb);
+};
+
+struct bss_info_omac {
+	__le16 tag;
+	__le16 len;
+	u8 hw_bss_idx;
+	u8 omac_idx;
+	u8 band_idx;
+	u8 rsv0;
+	__le32 conn_type;
+	u32 rsv1;
+} __packed;
+
+struct bss_info_basic {
+	__le16 tag;
+	__le16 len;
+	__le32 network_type;
+	u8 active;
+	u8 rsv0;
+	__le16 bcn_interval;
+	u8 bssid[ETH_ALEN];
+	u8 wmm_idx;
+	u8 dtim_period;
+	u8 bmc_tx_wlan_idx;
+	u8 cipher; /* not used */
+	u8 phymode; /* not used */
+	u8 rsv1[5];
+} __packed;
+
+struct bss_info_rf_ch {
+	__le16 tag;
+	__le16 len;
+	u8 pri_ch;
+	u8 central_ch0;
+	u8 central_ch1;
+	u8 bw;
+} __packed;
+
+struct bss_info_ext_bss {
+	__le16 tag;
+	__le16 len;
+	__le32 mbss_tsf_offset; /* in unit of us */
+	u8 rsv[8];
+} __packed;
+
+enum {
+	BSS_INFO_OMAC,
+	BSS_INFO_BASIC,
+	BSS_INFO_RF_CH, /* optional, for BT/LTE coex */
+	BSS_INFO_PM, /* sta only */
+	BSS_INFO_UAPSD, /* sta only */
+	BSS_INFO_ROAM_DETECTION, /* obsoleted */
+	BSS_INFO_LQ_RM, /* obsoleted */
+	BSS_INFO_EXT_BSS,
+	BSS_INFO_BMC_INFO, /* for bmc rate control in CR4 */
+	BSS_INFO_SYNC_MODE, /* obsoleted */
+	BSS_INFO_RA,
+	BSS_INFO_MAX_NUM
+};
+
+enum {
+	WTBL_RESET_AND_SET = 1,
+	WTBL_SET,
+	WTBL_QUERY,
+	WTBL_RESET_ALL
+};
+
+struct wtbl_generic {
+	__le16 tag;
+	__le16 len;
+	u8 peer_addr[ETH_ALEN];
+	u8 muar_idx;
+	u8 skip_tx;
+	u8 cf_ack;
+	u8 qos;
+	u8 mesh;
+	u8 adm;
+	__le16 partial_aid;
+	u8 baf_en;
+	u8 aad_om;
+} __packed;
+
+struct wtbl_rx {
+	__le16 tag;
+	__le16 len;
+	u8 rcid;
+	u8 rca1;
+	u8 rca2;
+	u8 rv;
+	u8 rsv[4];
+} __packed;
+
+struct wtbl_ht {
+	__le16 tag;
+	__le16 len;
+	u8 ht;
+	u8 ldpc;
+	u8 af;
+	u8 mm;
+	u8 rsv[4];
+} __packed;
+
+struct wtbl_vht {
+	__le16 tag;
+	__le16 len;
+	u8 ldpc;
+	u8 dyn_bw;
+	u8 vht;
+	u8 txop_ps;
+	u8 rsv[4];
+} __packed;
+
+struct wtbl_tx_ps {
+	__le16 tag;
+	__le16 len;
+	u8 txps;
+	u8 rsv[3];
+} __packed;
+
+struct wtbl_hdr_trans {
+	__le16 tag;
+	__le16 len;
+	u8 to_ds;
+	u8 from_ds;
+	u8 disable_rx_trans;
+	u8 rsv;
+} __packed;
+
+enum mt7615_cipher_type {
+	MT_CIPHER_NONE,
+	MT_CIPHER_WEP40,
+	MT_CIPHER_TKIP,
+	MT_CIPHER_TKIP_NO_MIC,
+	MT_CIPHER_AES_CCMP,
+	MT_CIPHER_WEP104,
+	MT_CIPHER_BIP_CMAC_128,
+	MT_CIPHER_WEP128,
+	MT_CIPHER_WAPI,
+	MT_CIPHER_CCMP_256 = 10,
+	MT_CIPHER_GCMP,
+	MT_CIPHER_GCMP_256,
+};
+
+struct wtbl_sec_key {
+	__le16 tag;
+	__le16 len;
+	u8 add; /* 0: add, 1: remove */
+	u8 rkv;
+	u8 ikv;
+	u8 cipher_id;
+	u8 key_id;
+	u8 key_len;
+	u8 rsv[2];
+	u8 key_material[32];
+} __packed;
+
+enum {
+	MT_BA_TYPE_INVALID,
+	MT_BA_TYPE_ORIGINATOR,
+	MT_BA_TYPE_RECIPIENT
+};
+
+enum {
+	RST_BA_MAC_TID_MATCH,
+	RST_BA_MAC_MATCH,
+	RST_BA_NO_MATCH
+};
+
+struct wtbl_ba {
+	__le16 tag;
+	__le16 len;
+	/* common */
+	u8 tid;
+	u8 ba_type;
+	u8 rsv0[2];
+	/* originator only */
+	__le16 sn;
+	u8 ba_en;
+	u8 ba_winsize_idx;
+	__le16 ba_winsize;
+	/* recipient only */
+	u8 peer_addr[ETH_ALEN];
+	u8 rst_ba_tid;
+	u8 rst_ba_sel;
+	u8 rst_ba_sb;
+	u8 band_idx;
+	u8 rsv1[4];
+} __packed;
+
+struct wtbl_bf {
+	__le16 tag;
+	__le16 len;
+	u8 ibf;
+	u8 ebf;
+	u8 ibf_vht;
+	u8 ebf_vht;
+	u8 gid;
+	u8 pfmu_idx;
+	u8 rsv[2];
+} __packed;
+
+struct wtbl_smps {
+	__le16 tag;
+	__le16 len;
+	u8 smps;
+	u8 rsv[3];
+} __packed;
+
+struct wtbl_pn {
+	__le16 tag;
+	__le16 len;
+	u8 pn[6];
+	u8 rsv[2];
+} __packed;
+
+struct wtbl_spe {
+	__le16 tag;
+	__le16 len;
+	u8 spe_idx;
+	u8 rsv[3];
+} __packed;
+
+struct wtbl_raw {
+	__le16 tag;
+	__le16 len;
+	u8 wtbl_idx;
+	u8 dw;
+	u8 rsv[2];
+	__le32 msk;
+	__le32 val;
+} __packed;
+
+#define MT7615_WTBL_UPDATE_MAX_SIZE (sizeof(struct wtbl_generic) + \
+				     sizeof(struct wtbl_rx) + \
+				     sizeof(struct wtbl_ht) + \
+				     sizeof(struct wtbl_vht) + \
+				     sizeof(struct wtbl_tx_ps) + \
+				     sizeof(struct wtbl_hdr_trans) + \
+				     sizeof(struct wtbl_sec_key) + \
+				     sizeof(struct wtbl_ba) + \
+				     sizeof(struct wtbl_bf) + \
+				     sizeof(struct wtbl_smps) + \
+				     sizeof(struct wtbl_pn) + \
+				     sizeof(struct wtbl_spe))
+
+enum {
+	WTBL_GENERIC,
+	WTBL_RX,
+	WTBL_HT,
+	WTBL_VHT,
+	WTBL_PEER_PS, /* not used */
+	WTBL_TX_PS,
+	WTBL_HDR_TRANS,
+	WTBL_SEC_KEY,
+	WTBL_BA,
+	WTBL_RDG, /* obsoleted */
+	WTBL_PROTECT, /* not used */
+	WTBL_CLEAR, /* not used */
+	WTBL_BF,
+	WTBL_SMPS,
+	WTBL_RAW_DATA, /* debug only */
+	WTBL_PN,
+	WTBL_SPE,
+	WTBL_MAX_NUM
+};
+
+struct sta_rec_basic {
+	__le16 tag;
+	__le16 len;
+	__le32 conn_type;
+	u8 conn_state;
+	u8 qos;
+	__le16 aid;
+	u8 peer_addr[ETH_ALEN];
+#define EXTRA_INFO_VER	BIT(0)
+#define EXTRA_INFO_NEW	BIT(1)
+	__le16 extra_info;
+} __packed;
+
+struct sta_rec_ht {
+	__le16 tag;
+	__le16 len;
+	__le16 ht_cap;
+	u16 rsv;
+} __packed;
+
+struct sta_rec_vht {
+	__le16 tag;
+	__le16 len;
+	__le32 vht_cap;
+	__le16 vht_rx_mcs_map;
+	__le16 vht_tx_mcs_map;
+} __packed;
+
+struct sta_rec_ba {
+	__le16 tag;
+	__le16 len;
+	u8 tid;
+	u8 ba_type;
+	u8 amsdu;
+	u8 ba_en;
+	__le16 ssn;
+	__le16 winsize;
+} __packed;
+
+#define MT7615_STA_REC_UPDATE_MAX_SIZE (sizeof(struct sta_rec_basic) + \
+					sizeof(struct sta_rec_ht) + \
+					sizeof(struct sta_rec_vht))
+
+enum {
+	STA_REC_BASIC,
+	STA_REC_RA,
+	STA_REC_RA_CMM_INFO,
+	STA_REC_RA_UPDATE,
+	STA_REC_BF,
+	STA_REC_AMSDU, /* for CR4 */
+	STA_REC_BA,
+	STA_REC_RED, /* not used */
+	STA_REC_TX_PROC, /* for hdr trans and CSO in CR4 */
+	STA_REC_HT,
+	STA_REC_VHT,
+	STA_REC_APPS,
+	STA_REC_MAX_NUM
+};
+
+enum {
+	CMD_CBW_20MHZ,
+	CMD_CBW_40MHZ,
+	CMD_CBW_80MHZ,
+	CMD_CBW_160MHZ,
+	CMD_CBW_10MHZ,
+	CMD_CBW_5MHZ,
+	CMD_CBW_8080MHZ
+};
+
+enum {
+	CH_SWITCH_NORMAL = 0,
+	CH_SWITCH_SCAN = 3,
+	CH_SWITCH_MCC = 4,
+	CH_SWITCH_DFS = 5,
+	CH_SWITCH_BACKGROUND_SCAN_START = 6,
+	CH_SWITCH_BACKGROUND_SCAN_RUNNING = 7,
+	CH_SWITCH_BACKGROUND_SCAN_STOP = 8,
+	CH_SWITCH_SCAN_BYPASS_DPD = 9
+};
+
+static inline struct sk_buff *
+mt7615_mcu_msg_alloc(const void *data, int len)
+{
+	return mt76_mcu_msg_alloc(data, sizeof(struct mt7615_mcu_txd),
+				  len, 0);
+}
+
+#endif