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- /* SPDX-License-Identifier: ISC */
- /*
- * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
- */
- #ifndef __MT76_H
- #define __MT76_H
- #include <linux/kernel.h>
- #include <linux/io.h>
- #include <linux/spinlock.h>
- #include <linux/skbuff.h>
- #include <linux/leds.h>
- #include <linux/usb.h>
- #include <linux/average.h>
- #include <net/mac80211.h>
- #include "util.h"
- #include "testmode.h"
- #define MT_MCU_RING_SIZE 32
- #define MT_RX_BUF_SIZE 2048
- #define MT_SKB_HEAD_LEN 128
- #define MT_MAX_NON_AQL_PKT 16
- #define MT_TXQ_FREE_THR 32
- struct mt76_dev;
- struct mt76_phy;
- struct mt76_wcid;
- struct mt76_reg_pair {
- u32 reg;
- u32 value;
- };
- enum mt76_bus_type {
- MT76_BUS_MMIO,
- MT76_BUS_USB,
- MT76_BUS_SDIO,
- };
- struct mt76_bus_ops {
- u32 (*rr)(struct mt76_dev *dev, u32 offset);
- void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
- u32 (*rmw)(struct mt76_dev *dev, u32 offset, u32 mask, u32 val);
- void (*write_copy)(struct mt76_dev *dev, u32 offset, const void *data,
- int len);
- void (*read_copy)(struct mt76_dev *dev, u32 offset, void *data,
- int len);
- int (*wr_rp)(struct mt76_dev *dev, u32 base,
- const struct mt76_reg_pair *rp, int len);
- int (*rd_rp)(struct mt76_dev *dev, u32 base,
- struct mt76_reg_pair *rp, int len);
- enum mt76_bus_type type;
- };
- #define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
- #define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
- #define mt76_is_sdio(dev) ((dev)->bus->type == MT76_BUS_SDIO)
- enum mt76_txq_id {
- MT_TXQ_VO = IEEE80211_AC_VO,
- MT_TXQ_VI = IEEE80211_AC_VI,
- MT_TXQ_BE = IEEE80211_AC_BE,
- MT_TXQ_BK = IEEE80211_AC_BK,
- MT_TXQ_PSD,
- MT_TXQ_BEACON,
- MT_TXQ_CAB,
- __MT_TXQ_MAX
- };
- enum mt76_mcuq_id {
- MT_MCUQ_WM,
- MT_MCUQ_WA,
- MT_MCUQ_FWDL,
- __MT_MCUQ_MAX
- };
- enum mt76_rxq_id {
- MT_RXQ_MAIN,
- MT_RXQ_MCU,
- MT_RXQ_MCU_WA,
- MT_RXQ_EXT,
- MT_RXQ_EXT_WA,
- __MT_RXQ_MAX
- };
- struct mt76_queue_buf {
- dma_addr_t addr;
- u16 len;
- bool skip_unmap;
- };
- struct mt76_tx_info {
- struct mt76_queue_buf buf[32];
- struct sk_buff *skb;
- int nbuf;
- u32 info;
- };
- struct mt76_queue_entry {
- union {
- void *buf;
- struct sk_buff *skb;
- };
- union {
- struct mt76_txwi_cache *txwi;
- struct urb *urb;
- int buf_sz;
- };
- u32 dma_addr[2];
- u16 dma_len[2];
- u16 wcid;
- bool skip_buf0:1;
- bool skip_buf1:1;
- bool done:1;
- };
- struct mt76_queue_regs {
- u32 desc_base;
- u32 ring_size;
- u32 cpu_idx;
- u32 dma_idx;
- } __packed __aligned(4);
- struct mt76_queue {
- struct mt76_queue_regs __iomem *regs;
- spinlock_t lock;
- spinlock_t cleanup_lock;
- struct mt76_queue_entry *entry;
- struct mt76_desc *desc;
- u16 first;
- u16 head;
- u16 tail;
- int ndesc;
- int queued;
- int buf_size;
- bool stopped;
- bool blocked;
- u8 buf_offset;
- u8 hw_idx;
- u8 qid;
- dma_addr_t desc_dma;
- struct sk_buff *rx_head;
- struct page_frag_cache rx_page;
- };
- struct mt76_mcu_ops {
- u32 headroom;
- u32 tailroom;
- int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
- int len, bool wait_resp);
- int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
- int cmd, int *seq);
- int (*mcu_parse_response)(struct mt76_dev *dev, int cmd,
- struct sk_buff *skb, int seq);
- u32 (*mcu_rr)(struct mt76_dev *dev, u32 offset);
- void (*mcu_wr)(struct mt76_dev *dev, u32 offset, u32 val);
- int (*mcu_wr_rp)(struct mt76_dev *dev, u32 base,
- const struct mt76_reg_pair *rp, int len);
- int (*mcu_rd_rp)(struct mt76_dev *dev, u32 base,
- struct mt76_reg_pair *rp, int len);
- int (*mcu_restart)(struct mt76_dev *dev);
- };
- struct mt76_queue_ops {
- int (*init)(struct mt76_dev *dev);
- int (*alloc)(struct mt76_dev *dev, struct mt76_queue *q,
- int idx, int n_desc, int bufsize,
- u32 ring_base);
- int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta);
- int (*tx_queue_skb_raw)(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, u32 tx_info);
- void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
- int *len, u32 *info, bool *more);
- void (*rx_reset)(struct mt76_dev *dev, enum mt76_rxq_id qid);
- void (*tx_cleanup)(struct mt76_dev *dev, struct mt76_queue *q,
- bool flush);
- void (*kick)(struct mt76_dev *dev, struct mt76_queue *q);
- };
- enum mt76_wcid_flags {
- MT_WCID_FLAG_CHECK_PS,
- MT_WCID_FLAG_PS,
- MT_WCID_FLAG_4ADDR,
- MT_WCID_FLAG_HDR_TRANS,
- };
- #define MT76_N_WCIDS 288
- /* stored in ieee80211_tx_info::hw_queue */
- #define MT_TX_HW_QUEUE_EXT_PHY BIT(3)
- DECLARE_EWMA(signal, 10, 8);
- #define MT_WCID_TX_INFO_RATE GENMASK(15, 0)
- #define MT_WCID_TX_INFO_NSS GENMASK(17, 16)
- #define MT_WCID_TX_INFO_TXPWR_ADJ GENMASK(25, 18)
- #define MT_WCID_TX_INFO_SET BIT(31)
- struct mt76_wcid {
- struct mt76_rx_tid __rcu *aggr[IEEE80211_NUM_TIDS];
- atomic_t non_aql_packets;
- unsigned long flags;
- struct ewma_signal rssi;
- int inactive_count;
- u16 idx;
- u8 hw_key_idx;
- u8 hw_key_idx2;
- u8 sta:1;
- u8 ext_phy:1;
- u8 amsdu:1;
- u8 rx_check_pn;
- u8 rx_key_pn[IEEE80211_NUM_TIDS][6];
- u16 cipher;
- u32 tx_info;
- bool sw_iv;
- u8 packet_id;
- };
- struct mt76_txq {
- struct mt76_wcid *wcid;
- u16 agg_ssn;
- bool send_bar;
- bool aggr;
- };
- struct mt76_txwi_cache {
- struct list_head list;
- dma_addr_t dma_addr;
- struct sk_buff *skb;
- };
- struct mt76_rx_tid {
- struct rcu_head rcu_head;
- struct mt76_dev *dev;
- spinlock_t lock;
- struct delayed_work reorder_work;
- u16 head;
- u16 size;
- u16 nframes;
- u8 num;
- u8 started:1, stopped:1, timer_pending:1;
- struct sk_buff *reorder_buf[];
- };
- #define MT_TX_CB_DMA_DONE BIT(0)
- #define MT_TX_CB_TXS_DONE BIT(1)
- #define MT_TX_CB_TXS_FAILED BIT(2)
- #define MT_PACKET_ID_MASK GENMASK(6, 0)
- #define MT_PACKET_ID_NO_ACK 0
- #define MT_PACKET_ID_NO_SKB 1
- #define MT_PACKET_ID_FIRST 2
- #define MT_PACKET_ID_HAS_RATE BIT(7)
- #define MT_TX_STATUS_SKB_TIMEOUT HZ
- struct mt76_tx_cb {
- unsigned long jiffies;
- u16 wcid;
- u8 pktid;
- u8 flags;
- };
- enum {
- MT76_STATE_INITIALIZED,
- MT76_STATE_RUNNING,
- MT76_STATE_MCU_RUNNING,
- MT76_SCANNING,
- MT76_HW_SCANNING,
- MT76_HW_SCHED_SCANNING,
- MT76_RESTART,
- MT76_RESET,
- MT76_MCU_RESET,
- MT76_REMOVED,
- MT76_READING_STATS,
- MT76_STATE_POWER_OFF,
- MT76_STATE_SUSPEND,
- MT76_STATE_ROC,
- MT76_STATE_PM,
- };
- struct mt76_hw_cap {
- bool has_2ghz;
- bool has_5ghz;
- };
- #define MT_DRV_TXWI_NO_FREE BIT(0)
- #define MT_DRV_TX_ALIGNED4_SKBS BIT(1)
- #define MT_DRV_SW_RX_AIRTIME BIT(2)
- #define MT_DRV_RX_DMA_HDR BIT(3)
- #define MT_DRV_HW_MGMT_TXQ BIT(4)
- #define MT_DRV_AMSDU_OFFLOAD BIT(5)
- struct mt76_driver_ops {
- u32 drv_flags;
- u32 survey_flags;
- u16 txwi_size;
- u8 mcs_rates;
- void (*update_survey)(struct mt76_dev *dev);
- int (*tx_prepare_skb)(struct mt76_dev *dev, void *txwi_ptr,
- enum mt76_txq_id qid, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta,
- struct mt76_tx_info *tx_info);
- void (*tx_complete_skb)(struct mt76_dev *dev,
- struct mt76_queue_entry *e);
- bool (*tx_status_data)(struct mt76_dev *dev, u8 *update);
- void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q,
- struct sk_buff *skb);
- void (*rx_poll_complete)(struct mt76_dev *dev, enum mt76_rxq_id q);
- void (*sta_ps)(struct mt76_dev *dev, struct ieee80211_sta *sta,
- bool ps);
- int (*sta_add)(struct mt76_dev *dev, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- void (*sta_assoc)(struct mt76_dev *dev, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- void (*sta_remove)(struct mt76_dev *dev, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- };
- struct mt76_channel_state {
- u64 cc_active;
- u64 cc_busy;
- u64 cc_rx;
- u64 cc_bss_rx;
- u64 cc_tx;
- s8 noise;
- };
- struct mt76_sband {
- struct ieee80211_supported_band sband;
- struct mt76_channel_state *chan;
- };
- struct mt76_rate_power {
- union {
- struct {
- s8 cck[4];
- s8 ofdm[8];
- s8 stbc[10];
- s8 ht[16];
- s8 vht[10];
- };
- s8 all[48];
- };
- };
- /* addr req mask */
- #define MT_VEND_TYPE_EEPROM BIT(31)
- #define MT_VEND_TYPE_CFG BIT(30)
- #define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG)
- #define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n))
- enum mt_vendor_req {
- MT_VEND_DEV_MODE = 0x1,
- MT_VEND_WRITE = 0x2,
- MT_VEND_POWER_ON = 0x4,
- MT_VEND_MULTI_WRITE = 0x6,
- MT_VEND_MULTI_READ = 0x7,
- MT_VEND_READ_EEPROM = 0x9,
- MT_VEND_WRITE_FCE = 0x42,
- MT_VEND_WRITE_CFG = 0x46,
- MT_VEND_READ_CFG = 0x47,
- MT_VEND_READ_EXT = 0x63,
- MT_VEND_WRITE_EXT = 0x66,
- MT_VEND_FEATURE_SET = 0x91,
- };
- enum mt76u_in_ep {
- MT_EP_IN_PKT_RX,
- MT_EP_IN_CMD_RESP,
- __MT_EP_IN_MAX,
- };
- enum mt76u_out_ep {
- MT_EP_OUT_INBAND_CMD,
- MT_EP_OUT_AC_BE,
- MT_EP_OUT_AC_BK,
- MT_EP_OUT_AC_VI,
- MT_EP_OUT_AC_VO,
- MT_EP_OUT_HCCA,
- __MT_EP_OUT_MAX,
- };
- struct mt76_mcu {
- struct mutex mutex;
- u32 msg_seq;
- int timeout;
- struct sk_buff_head res_q;
- wait_queue_head_t wait;
- };
- #define MT_TX_SG_MAX_SIZE 8
- #define MT_RX_SG_MAX_SIZE 4
- #define MT_NUM_TX_ENTRIES 256
- #define MT_NUM_RX_ENTRIES 128
- #define MCU_RESP_URB_SIZE 1024
- struct mt76_usb {
- struct mutex usb_ctrl_mtx;
- u8 *data;
- u16 data_len;
- struct mt76_worker status_worker;
- struct mt76_worker rx_worker;
- struct work_struct stat_work;
- u8 out_ep[__MT_EP_OUT_MAX];
- u8 in_ep[__MT_EP_IN_MAX];
- bool sg_en;
- struct mt76u_mcu {
- u8 *data;
- /* multiple reads */
- struct mt76_reg_pair *rp;
- int rp_len;
- u32 base;
- bool burst;
- } mcu;
- };
- #define MT76S_XMIT_BUF_SZ (16 * PAGE_SIZE)
- struct mt76_sdio {
- struct mt76_worker txrx_worker;
- struct mt76_worker status_worker;
- struct mt76_worker net_worker;
- struct work_struct stat_work;
- u8 *xmit_buf[IEEE80211_NUM_ACS + 2];
- struct sdio_func *func;
- void *intr_data;
- struct {
- int pse_data_quota;
- int ple_data_quota;
- int pse_mcu_quota;
- int deficit;
- } sched;
- };
- struct mt76_mmio {
- void __iomem *regs;
- spinlock_t irq_lock;
- u32 irqmask;
- };
- struct mt76_rx_status {
- union {
- struct mt76_wcid *wcid;
- u16 wcid_idx;
- };
- unsigned long reorder_time;
- u32 ampdu_ref;
- u8 iv[6];
- u8 ext_phy:1;
- u8 aggr:1;
- u8 qos_ctl;
- u16 seqno;
- u16 freq;
- u32 flag;
- u8 enc_flags;
- u8 encoding:2, bw:3, he_ru:3;
- u8 he_gi:2, he_dcm:1;
- u8 amsdu:1, first_amsdu:1, last_amsdu:1;
- u8 rate_idx;
- u8 nss;
- u8 band;
- s8 signal;
- u8 chains;
- s8 chain_signal[IEEE80211_MAX_CHAINS];
- };
- struct mt76_testmode_ops {
- int (*set_state)(struct mt76_phy *phy, enum mt76_testmode_state state);
- int (*set_params)(struct mt76_phy *phy, struct nlattr **tb,
- enum mt76_testmode_state new_state);
- int (*dump_stats)(struct mt76_phy *phy, struct sk_buff *msg);
- };
- struct mt76_testmode_data {
- enum mt76_testmode_state state;
- u32 param_set[DIV_ROUND_UP(NUM_MT76_TM_ATTRS, 32)];
- struct sk_buff *tx_skb;
- u32 tx_count;
- u16 tx_msdu_len;
- u8 tx_rate_mode;
- u8 tx_rate_idx;
- u8 tx_rate_nss;
- u8 tx_rate_sgi;
- u8 tx_rate_ldpc;
- u8 tx_rate_stbc;
- u8 tx_ltf;
- u8 tx_antenna_mask;
- u8 tx_spe_idx;
- u8 tx_duty_cycle;
- u32 tx_time;
- u32 tx_ipg;
- u32 freq_offset;
- u8 tx_power[4];
- u8 tx_power_control;
- u32 tx_pending;
- u32 tx_queued;
- u16 tx_queued_limit;
- u32 tx_done;
- struct {
- u64 packets[__MT_RXQ_MAX];
- u64 fcs_error[__MT_RXQ_MAX];
- } rx_stats;
- };
- struct mt76_vif {
- u8 idx;
- u8 omac_idx;
- u8 band_idx;
- u8 wmm_idx;
- u8 scan_seq_num;
- };
- struct mt76_phy {
- struct ieee80211_hw *hw;
- struct mt76_dev *dev;
- void *priv;
- unsigned long state;
- struct mt76_queue *q_tx[__MT_TXQ_MAX];
- struct cfg80211_chan_def chandef;
- struct ieee80211_channel *main_chan;
- struct mt76_channel_state *chan_state;
- ktime_t survey_time;
- struct mt76_hw_cap cap;
- struct mt76_sband sband_2g;
- struct mt76_sband sband_5g;
- u8 macaddr[ETH_ALEN];
- int txpower_cur;
- u8 antenna_mask;
- u16 chainmask;
- #ifdef CONFIG_NL80211_TESTMODE
- struct mt76_testmode_data test;
- #endif
- struct delayed_work mac_work;
- u8 mac_work_count;
- };
- struct mt76_dev {
- struct mt76_phy phy; /* must be first */
- struct mt76_phy *phy2;
- struct ieee80211_hw *hw;
- spinlock_t lock;
- spinlock_t cc_lock;
- u32 cur_cc_bss_rx;
- struct mt76_rx_status rx_ampdu_status;
- u32 rx_ampdu_len;
- u32 rx_ampdu_ref;
- struct mutex mutex;
- const struct mt76_bus_ops *bus;
- const struct mt76_driver_ops *drv;
- const struct mt76_mcu_ops *mcu_ops;
- struct device *dev;
- struct mt76_mcu mcu;
- struct net_device napi_dev;
- spinlock_t rx_lock;
- struct napi_struct napi[__MT_RXQ_MAX];
- struct sk_buff_head rx_skb[__MT_RXQ_MAX];
- struct {
- struct sk_buff *head;
- struct sk_buff **tail;
- u16 seqno;
- } rx_amsdu[__MT_RXQ_MAX];
- struct list_head txwi_cache;
- struct mt76_queue *q_mcu[__MT_MCUQ_MAX];
- struct mt76_queue q_rx[__MT_RXQ_MAX];
- const struct mt76_queue_ops *queue_ops;
- int tx_dma_idx[4];
- struct mt76_worker tx_worker;
- struct napi_struct tx_napi;
- wait_queue_head_t tx_wait;
- struct sk_buff_head status_list;
- u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
- u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
- u32 vif_mask;
- struct mt76_wcid global_wcid;
- struct mt76_wcid __rcu *wcid[MT76_N_WCIDS];
- u32 rev;
- u32 aggr_stats[32];
- struct tasklet_struct pre_tbtt_tasklet;
- int beacon_int;
- u8 beacon_mask;
- struct debugfs_blob_wrapper eeprom;
- struct debugfs_blob_wrapper otp;
- struct mt76_rate_power rate_power;
- char alpha2[3];
- enum nl80211_dfs_regions region;
- u32 debugfs_reg;
- struct led_classdev led_cdev;
- char led_name[32];
- bool led_al;
- u8 led_pin;
- u8 csa_complete;
- u32 rxfilter;
- #ifdef CONFIG_NL80211_TESTMODE
- const struct mt76_testmode_ops *test_ops;
- struct {
- const char *name;
- u32 offset;
- } test_mtd;
- #endif
- struct workqueue_struct *wq;
- union {
- struct mt76_mmio mmio;
- struct mt76_usb usb;
- struct mt76_sdio sdio;
- };
- };
- struct mt76_power_limits {
- s8 cck[4];
- s8 ofdm[8];
- s8 mcs[4][10];
- s8 ru[7][12];
- };
- enum mt76_phy_type {
- MT_PHY_TYPE_CCK,
- MT_PHY_TYPE_OFDM,
- MT_PHY_TYPE_HT,
- MT_PHY_TYPE_HT_GF,
- MT_PHY_TYPE_VHT,
- MT_PHY_TYPE_HE_SU = 8,
- MT_PHY_TYPE_HE_EXT_SU,
- MT_PHY_TYPE_HE_TB,
- MT_PHY_TYPE_HE_MU,
- };
- #define __mt76_rr(dev, ...) (dev)->bus->rr((dev), __VA_ARGS__)
- #define __mt76_wr(dev, ...) (dev)->bus->wr((dev), __VA_ARGS__)
- #define __mt76_rmw(dev, ...) (dev)->bus->rmw((dev), __VA_ARGS__)
- #define __mt76_wr_copy(dev, ...) (dev)->bus->write_copy((dev), __VA_ARGS__)
- #define __mt76_rr_copy(dev, ...) (dev)->bus->read_copy((dev), __VA_ARGS__)
- #define __mt76_set(dev, offset, val) __mt76_rmw(dev, offset, 0, val)
- #define __mt76_clear(dev, offset, val) __mt76_rmw(dev, offset, val, 0)
- #define mt76_rr(dev, ...) (dev)->mt76.bus->rr(&((dev)->mt76), __VA_ARGS__)
- #define mt76_wr(dev, ...) (dev)->mt76.bus->wr(&((dev)->mt76), __VA_ARGS__)
- #define mt76_rmw(dev, ...) (dev)->mt76.bus->rmw(&((dev)->mt76), __VA_ARGS__)
- #define mt76_wr_copy(dev, ...) (dev)->mt76.bus->write_copy(&((dev)->mt76), __VA_ARGS__)
- #define mt76_rr_copy(dev, ...) (dev)->mt76.bus->read_copy(&((dev)->mt76), __VA_ARGS__)
- #define mt76_wr_rp(dev, ...) (dev)->mt76.bus->wr_rp(&((dev)->mt76), __VA_ARGS__)
- #define mt76_rd_rp(dev, ...) (dev)->mt76.bus->rd_rp(&((dev)->mt76), __VA_ARGS__)
- #define mt76_mcu_restart(dev, ...) (dev)->mt76.mcu_ops->mcu_restart(&((dev)->mt76))
- #define __mt76_mcu_restart(dev, ...) (dev)->mcu_ops->mcu_restart((dev))
- #define mt76_set(dev, offset, val) mt76_rmw(dev, offset, 0, val)
- #define mt76_clear(dev, offset, val) mt76_rmw(dev, offset, val, 0)
- #define mt76_get_field(_dev, _reg, _field) \
- FIELD_GET(_field, mt76_rr(dev, _reg))
- #define mt76_rmw_field(_dev, _reg, _field, _val) \
- mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
- #define __mt76_rmw_field(_dev, _reg, _field, _val) \
- __mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val))
- #define mt76_hw(dev) (dev)->mphy.hw
- static inline struct ieee80211_hw *
- mt76_wcid_hw(struct mt76_dev *dev, u16 wcid)
- {
- if (wcid <= MT76_N_WCIDS &&
- mt76_wcid_mask_test(dev->wcid_phy_mask, wcid))
- return dev->phy2->hw;
- return dev->phy.hw;
- }
- bool __mt76_poll(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
- int timeout);
- #define mt76_poll(dev, ...) __mt76_poll(&((dev)->mt76), __VA_ARGS__)
- bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
- int timeout);
- #define mt76_poll_msec(dev, ...) __mt76_poll_msec(&((dev)->mt76), __VA_ARGS__)
- void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs);
- void mt76_pci_disable_aspm(struct pci_dev *pdev);
- static inline u16 mt76_chip(struct mt76_dev *dev)
- {
- return dev->rev >> 16;
- }
- static inline u16 mt76_rev(struct mt76_dev *dev)
- {
- return dev->rev & 0xffff;
- }
- #define mt76xx_chip(dev) mt76_chip(&((dev)->mt76))
- #define mt76xx_rev(dev) mt76_rev(&((dev)->mt76))
- #define mt76_init_queues(dev) (dev)->mt76.queue_ops->init(&((dev)->mt76))
- #define mt76_queue_alloc(dev, ...) (dev)->mt76.queue_ops->alloc(&((dev)->mt76), __VA_ARGS__)
- #define mt76_tx_queue_skb_raw(dev, ...) (dev)->mt76.queue_ops->tx_queue_skb_raw(&((dev)->mt76), __VA_ARGS__)
- #define mt76_tx_queue_skb(dev, ...) (dev)->mt76.queue_ops->tx_queue_skb(&((dev)->mt76), __VA_ARGS__)
- #define mt76_queue_rx_reset(dev, ...) (dev)->mt76.queue_ops->rx_reset(&((dev)->mt76), __VA_ARGS__)
- #define mt76_queue_tx_cleanup(dev, ...) (dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
- #define mt76_queue_kick(dev, ...) (dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
- #define mt76_for_each_q_rx(dev, i) \
- for (i = 0; i < ARRAY_SIZE((dev)->q_rx) && \
- (dev)->q_rx[i].ndesc; i++)
- struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
- const struct ieee80211_ops *ops,
- const struct mt76_driver_ops *drv_ops);
- int mt76_register_device(struct mt76_dev *dev, bool vht,
- struct ieee80211_rate *rates, int n_rates);
- void mt76_unregister_device(struct mt76_dev *dev);
- void mt76_free_device(struct mt76_dev *dev);
- void mt76_unregister_phy(struct mt76_phy *phy);
- struct mt76_phy *mt76_alloc_phy(struct mt76_dev *dev, unsigned int size,
- const struct ieee80211_ops *ops);
- int mt76_register_phy(struct mt76_phy *phy, bool vht,
- struct ieee80211_rate *rates, int n_rates);
- struct dentry *mt76_register_debugfs(struct mt76_dev *dev);
- int mt76_queues_read(struct seq_file *s, void *data);
- void mt76_seq_puts_array(struct seq_file *file, const char *str,
- s8 *val, int len);
- int mt76_eeprom_init(struct mt76_dev *dev, int len);
- void mt76_eeprom_override(struct mt76_phy *phy);
- struct mt76_queue *
- mt76_init_queue(struct mt76_dev *dev, int qid, int idx, int n_desc,
- int ring_base);
- static inline int mt76_init_tx_queue(struct mt76_phy *phy, int qid, int idx,
- int n_desc, int ring_base)
- {
- struct mt76_queue *q;
- q = mt76_init_queue(phy->dev, qid, idx, n_desc, ring_base);
- if (IS_ERR(q))
- return PTR_ERR(q);
- q->qid = qid;
- phy->q_tx[qid] = q;
- return 0;
- }
- static inline int mt76_init_mcu_queue(struct mt76_dev *dev, int qid, int idx,
- int n_desc, int ring_base)
- {
- struct mt76_queue *q;
- q = mt76_init_queue(dev, qid, idx, n_desc, ring_base);
- if (IS_ERR(q))
- return PTR_ERR(q);
- q->qid = __MT_TXQ_MAX + qid;
- dev->q_mcu[qid] = q;
- return 0;
- }
- static inline struct mt76_phy *
- mt76_dev_phy(struct mt76_dev *dev, bool phy_ext)
- {
- if (phy_ext && dev->phy2)
- return dev->phy2;
- return &dev->phy;
- }
- static inline struct ieee80211_hw *
- mt76_phy_hw(struct mt76_dev *dev, bool phy_ext)
- {
- return mt76_dev_phy(dev, phy_ext)->hw;
- }
- static inline u8 *
- mt76_get_txwi_ptr(struct mt76_dev *dev, struct mt76_txwi_cache *t)
- {
- return (u8 *)t - dev->drv->txwi_size;
- }
- /* increment with wrap-around */
- static inline int mt76_incr(int val, int size)
- {
- return (val + 1) & (size - 1);
- }
- /* decrement with wrap-around */
- static inline int mt76_decr(int val, int size)
- {
- return (val - 1) & (size - 1);
- }
- u8 mt76_ac_to_hwq(u8 ac);
- static inline struct ieee80211_txq *
- mtxq_to_txq(struct mt76_txq *mtxq)
- {
- void *ptr = mtxq;
- return container_of(ptr, struct ieee80211_txq, drv_priv);
- }
- static inline struct ieee80211_sta *
- wcid_to_sta(struct mt76_wcid *wcid)
- {
- void *ptr = wcid;
- if (!wcid || !wcid->sta)
- return NULL;
- return container_of(ptr, struct ieee80211_sta, drv_priv);
- }
- static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
- {
- BUILD_BUG_ON(sizeof(struct mt76_tx_cb) >
- sizeof(IEEE80211_SKB_CB(skb)->status.status_driver_data));
- return ((void *)IEEE80211_SKB_CB(skb)->status.status_driver_data);
- }
- static inline void *mt76_skb_get_hdr(struct sk_buff *skb)
- {
- struct mt76_rx_status mstat;
- u8 *data = skb->data;
- /* Alignment concerns */
- BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he) % 4);
- BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) % 4);
- mstat = *((struct mt76_rx_status *)skb->cb);
- if (mstat.flag & RX_FLAG_RADIOTAP_HE)
- data += sizeof(struct ieee80211_radiotap_he);
- if (mstat.flag & RX_FLAG_RADIOTAP_HE_MU)
- data += sizeof(struct ieee80211_radiotap_he_mu);
- return data;
- }
- static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
- {
- int len = ieee80211_get_hdrlen_from_skb(skb);
- if (len % 4 == 0)
- return;
- skb_push(skb, 2);
- memmove(skb->data, skb->data + 2, len);
- skb->data[len] = 0;
- skb->data[len + 1] = 0;
- }
- static inline bool mt76_is_skb_pktid(u8 pktid)
- {
- if (pktid & MT_PACKET_ID_HAS_RATE)
- return false;
- return pktid >= MT_PACKET_ID_FIRST;
- }
- static inline u8 mt76_tx_power_nss_delta(u8 nss)
- {
- static const u8 nss_delta[4] = { 0, 6, 9, 12 };
- return nss_delta[nss - 1];
- }
- static inline bool mt76_testmode_enabled(struct mt76_phy *phy)
- {
- #ifdef CONFIG_NL80211_TESTMODE
- return phy->test.state != MT76_TM_STATE_OFF;
- #else
- return false;
- #endif
- }
- static inline bool mt76_is_testmode_skb(struct mt76_dev *dev,
- struct sk_buff *skb,
- struct ieee80211_hw **hw)
- {
- #ifdef CONFIG_NL80211_TESTMODE
- if (skb == dev->phy.test.tx_skb)
- *hw = dev->phy.hw;
- else if (dev->phy2 && skb == dev->phy2->test.tx_skb)
- *hw = dev->phy2->hw;
- else
- return false;
- return true;
- #else
- return false;
- #endif
- }
- void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb);
- void mt76_tx(struct mt76_phy *dev, struct ieee80211_sta *sta,
- struct mt76_wcid *wcid, struct sk_buff *skb);
- void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq);
- void mt76_stop_tx_queues(struct mt76_phy *phy, struct ieee80211_sta *sta,
- bool send_bar);
- void mt76_tx_check_agg_ssn(struct ieee80211_sta *sta, struct sk_buff *skb);
- void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid);
- void mt76_txq_schedule_all(struct mt76_phy *phy);
- void mt76_tx_worker(struct mt76_worker *w);
- void mt76_release_buffered_frames(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- u16 tids, int nframes,
- enum ieee80211_frame_release_type reason,
- bool more_data);
- bool mt76_has_tx_pending(struct mt76_phy *phy);
- void mt76_set_channel(struct mt76_phy *phy);
- void mt76_update_survey(struct mt76_dev *dev);
- void mt76_update_survey_active_time(struct mt76_phy *phy, ktime_t time);
- int mt76_get_survey(struct ieee80211_hw *hw, int idx,
- struct survey_info *survey);
- void mt76_set_stream_caps(struct mt76_phy *phy, bool vht);
- int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
- u16 ssn, u16 size);
- void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
- void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
- struct ieee80211_key_conf *key);
- void mt76_tx_status_lock(struct mt76_dev *dev, struct sk_buff_head *list)
- __acquires(&dev->status_list.lock);
- void mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
- __releases(&dev->status_list.lock);
- int mt76_tx_status_skb_add(struct mt76_dev *dev, struct mt76_wcid *wcid,
- struct sk_buff *skb);
- struct sk_buff *mt76_tx_status_skb_get(struct mt76_dev *dev,
- struct mt76_wcid *wcid, int pktid,
- struct sk_buff_head *list);
- void mt76_tx_status_skb_done(struct mt76_dev *dev, struct sk_buff *skb,
- struct sk_buff_head *list);
- void mt76_tx_complete_skb(struct mt76_dev *dev, u16 wcid, struct sk_buff *skb);
- void mt76_tx_status_check(struct mt76_dev *dev, struct mt76_wcid *wcid,
- bool flush);
- int mt76_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- enum ieee80211_sta_state old_state,
- enum ieee80211_sta_state new_state);
- void __mt76_sta_remove(struct mt76_dev *dev, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- void mt76_sta_pre_rcu_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy);
- int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- int *dbm);
- void mt76_csa_check(struct mt76_dev *dev);
- void mt76_csa_finish(struct mt76_dev *dev);
- int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
- int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set);
- void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id);
- int mt76_get_rate(struct mt76_dev *dev,
- struct ieee80211_supported_band *sband,
- int idx, bool cck);
- void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- const u8 *mac);
- void mt76_sw_scan_complete(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
- int mt76_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- void *data, int len);
- int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct netlink_callback *cb, void *data, int len);
- int mt76_testmode_set_state(struct mt76_phy *phy, enum mt76_testmode_state state);
- static inline void mt76_testmode_reset(struct mt76_phy *phy, bool disable)
- {
- #ifdef CONFIG_NL80211_TESTMODE
- enum mt76_testmode_state state = MT76_TM_STATE_IDLE;
- if (disable || phy->test.state == MT76_TM_STATE_OFF)
- state = MT76_TM_STATE_OFF;
- mt76_testmode_set_state(phy, state);
- #endif
- }
- /* internal */
- static inline struct ieee80211_hw *
- mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb)
- {
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hw *hw = dev->phy.hw;
- if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && dev->phy2)
- hw = dev->phy2->hw;
- info->hw_queue &= ~MT_TX_HW_QUEUE_EXT_PHY;
- return hw;
- }
- void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
- void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
- struct napi_struct *napi);
- void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
- struct napi_struct *napi);
- void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
- void mt76_testmode_tx_pending(struct mt76_phy *phy);
- void mt76_queue_tx_complete(struct mt76_dev *dev, struct mt76_queue *q,
- struct mt76_queue_entry *e);
- /* usb */
- static inline bool mt76u_urb_error(struct urb *urb)
- {
- return urb->status &&
- urb->status != -ECONNRESET &&
- urb->status != -ESHUTDOWN &&
- urb->status != -ENOENT;
- }
- /* Map hardware queues to usb endpoints */
- static inline u8 q2ep(u8 qid)
- {
- /* TODO: take management packets to queue 5 */
- return qid + 1;
- }
- static inline int
- mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
- int timeout, int ep)
- {
- struct usb_interface *uintf = to_usb_interface(dev->dev);
- struct usb_device *udev = interface_to_usbdev(uintf);
- struct mt76_usb *usb = &dev->usb;
- unsigned int pipe;
- if (actual_len)
- pipe = usb_rcvbulkpipe(udev, usb->in_ep[ep]);
- else
- pipe = usb_sndbulkpipe(udev, usb->out_ep[ep]);
- return usb_bulk_msg(udev, pipe, data, len, actual_len, timeout);
- }
- int mt76_skb_adjust_pad(struct sk_buff *skb, int pad);
- int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
- u8 req_type, u16 val, u16 offset,
- void *buf, size_t len);
- void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
- const u16 offset, const u32 val);
- int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
- bool ext);
- int mt76u_alloc_mcu_queue(struct mt76_dev *dev);
- int mt76u_alloc_queues(struct mt76_dev *dev);
- void mt76u_stop_tx(struct mt76_dev *dev);
- void mt76u_stop_rx(struct mt76_dev *dev);
- int mt76u_resume_rx(struct mt76_dev *dev);
- void mt76u_queues_deinit(struct mt76_dev *dev);
- int mt76s_init(struct mt76_dev *dev, struct sdio_func *func,
- const struct mt76_bus_ops *bus_ops);
- int mt76s_alloc_queues(struct mt76_dev *dev);
- void mt76s_deinit(struct mt76_dev *dev);
- struct sk_buff *
- mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
- int data_len);
- void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
- struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
- unsigned long expires);
- int mt76_mcu_send_and_get_msg(struct mt76_dev *dev, int cmd, const void *data,
- int len, bool wait_resp, struct sk_buff **ret);
- int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb,
- int cmd, bool wait_resp, struct sk_buff **ret);
- int mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
- int len);
- static inline int
- mt76_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data, int len,
- bool wait_resp)
- {
- return mt76_mcu_send_and_get_msg(dev, cmd, data, len, wait_resp, NULL);
- }
- static inline int
- mt76_mcu_skb_send_msg(struct mt76_dev *dev, struct sk_buff *skb, int cmd,
- bool wait_resp)
- {
- return mt76_mcu_skb_send_and_get_msg(dev, skb, cmd, wait_resp, NULL);
- }
- void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
- s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
- struct ieee80211_channel *chan,
- struct mt76_power_limits *dest,
- s8 target_power);
- #endif
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