diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ath9k.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 928 |
1 files changed, 561 insertions, 367 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index c1224b5a257b..6e38aa7351e3 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -20,23 +20,34 @@ #include <linux/etherdevice.h> #include <linux/device.h> #include <linux/interrupt.h> +#include <linux/kstrtox.h> #include <linux/leds.h> #include <linux/completion.h> +#include <linux/time.h> +#include <linux/hw_random.h> -#include "debug.h" #include "common.h" +#include "debug.h" #include "mci.h" #include "dfs.h" -/* - * Header for the ath9k.ko driver core *only* -- hw code nor any other driver - * should rely on this file or its contents. - */ - struct ath_node; +struct ath_vif; -/* Macro to expand scalars to 64-bit objects */ +extern struct ieee80211_ops ath9k_ops; +extern int ath9k_modparam_nohwcrypt; +extern int ath9k_led_blink; +extern bool is_ath9k_unloaded; +extern int ath9k_use_chanctx; +extern int ath9k_use_msi; + +/*************************/ +/* Descriptor Management */ +/*************************/ + +#define ATH_TXSTATUS_RING_SIZE 512 +/* Macro to expand scalars to 64-bit objects */ #define ito64(x) (sizeof(x) == 1) ? \ (((unsigned long long int)(x)) & (0xff)) : \ (sizeof(x) == 2) ? \ @@ -45,61 +56,13 @@ struct ath_node; (((unsigned long long int)(x)) & 0xffffffff) : \ (unsigned long long int)(x)) -/* increment with wrap-around */ -#define INCR(_l, _sz) do { \ - (_l)++; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -/* decrement with wrap-around */ -#define DECR(_l, _sz) do { \ - (_l)--; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -#define TSF_TO_TU(_h,_l) \ - ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) - -#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) - -struct ath_config { - u16 txpowlimit; - u8 cabqReadytime; -}; - -/*************************/ -/* Descriptor Management */ -/*************************/ - #define ATH_TXBUF_RESET(_bf) do { \ - (_bf)->bf_stale = false; \ (_bf)->bf_lastbf = NULL; \ (_bf)->bf_next = NULL; \ memset(&((_bf)->bf_state), 0, \ sizeof(struct ath_buf_state)); \ } while (0) -#define ATH_RXBUF_RESET(_bf) do { \ - (_bf)->bf_stale = false; \ - } while (0) - -/** - * enum buffer_type - Buffer type flags - * - * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) - * @BUF_AGGR: Indicates whether the buffer can be aggregated - * (used in aggregation scheduling) - */ -enum buffer_type { - BUF_AMPDU = BIT(0), - BUF_AGGR = BIT(1), -}; - -#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) -#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) - -#define ATH_TXSTATUS_RING_SIZE 512 - #define DS2PHYS(_dd, _ds) \ ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc)) #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0) @@ -119,11 +82,19 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, /* RX / TX */ /***********/ +#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) + +/* increment with wrap-around */ +#define INCR(_l, _sz) do { \ + (_l)++; \ + (_l) &= ((_sz) - 1); \ + } while (0) + #define ATH_RXBUF 512 #define ATH_TXBUF 512 #define ATH_TXBUF_RESERVE 5 -#define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) #define ATH_TXMAXTRY 13 +#define ATH_MAX_SW_RETRIES 30 #define TID_TO_WME_AC(_tid) \ ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ @@ -137,7 +108,14 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, #define ATH_AGGR_ENCRYPTDELIM 10 /* minimum h/w qdepth to be sustained to maximize aggregation */ #define ATH_AGGR_MIN_QDEPTH 2 -#define ATH_AMPDU_SUBFRAME_DEFAULT 32 +/* minimum h/w qdepth for non-aggregated traffic */ +#define ATH_NON_AGGR_MIN_QDEPTH 8 +#define ATH_HW_CHECK_POLL_INT 1000 +#define ATH_TXFIFO_DEPTH 8 +#define ATH_TX_ERROR 0x01 + +/* Stop tx traffic 1ms before the GO goes away */ +#define ATH_P2P_PS_STOP_TIME 1000 #define IEEE80211_SEQ_SEQ_SHIFT 4 #define IEEE80211_SEQ_MAX 4096 @@ -168,19 +146,17 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, #define BAW_WITHIN(_start, _bawsz, _seqno) \ ((((_seqno) - (_start)) & 4095) < (_bawsz)) -#define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) +#define ATH_AN_2_TID(_an, _tidno) ath_node_to_tid(_an, _tidno) -#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) +#define IS_HT_RATE(rate) (rate & 0x80) +#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) +#define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf)) -#define ATH_TX_COMPLETE_POLL_INT 1000 - -enum ATH_AGGR_STATUS { - ATH_AGGR_DONE, - ATH_AGGR_BAW_CLOSED, - ATH_AGGR_LIMITED, +enum { + WLAN_RC_PHY_OFDM, + WLAN_RC_PHY_CCK, }; -#define ATH_TXFIFO_DEPTH 8 struct ath_txq { int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ u32 axq_qnum; /* ath9k hardware queue number */ @@ -189,9 +165,7 @@ struct ath_txq { spinlock_t axq_lock; u32 axq_depth; u32 axq_ampdu_depth; - bool stopped; bool axq_tx_inprogress; - struct list_head axq_acq; struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; u8 txq_headidx; u8 txq_tailidx; @@ -199,27 +173,47 @@ struct ath_txq { struct sk_buff_head complete_q; }; -struct ath_atx_ac { - struct ath_txq *txq; - int sched; - struct list_head list; - struct list_head tid_q; - bool clear_ps_filter; -}; - struct ath_frame_info { struct ath_buf *bf; - int framelen; - enum ath9k_key_type keytype; + u16 framelen; + s8 txq; u8 keyix; - u8 retries; u8 rtscts_rate; + u8 retries : 6; + u8 dyn_smps : 1; + u8 baw_tracked : 1; + u8 tx_power; + enum ath9k_key_type keytype:2; }; +struct ath_rxbuf { + struct list_head list; + struct sk_buff *bf_mpdu; + void *bf_desc; + dma_addr_t bf_daddr; + dma_addr_t bf_buf_addr; +}; + +/** + * enum buffer_type - Buffer type flags + * + * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) + * @BUF_AGGR: Indicates whether the buffer can be aggregated + * (used in aggregation scheduling) + */ +enum buffer_type { + BUF_AMPDU = BIT(0), + BUF_AGGR = BIT(1), +}; + +#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) +#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) + struct ath_buf_state { u8 bf_type; u8 bfs_paprd; u8 ndelim; + bool stale; u16 seqno; unsigned long bfs_paprd_timestamp; }; @@ -233,55 +227,57 @@ struct ath_buf { void *bf_desc; /* virtual addr of desc */ dma_addr_t bf_daddr; /* physical addr of desc */ dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ - bool bf_stale; struct ieee80211_tx_rate rates[4]; struct ath_buf_state bf_state; }; struct ath_atx_tid { struct list_head list; - struct sk_buff_head buf_q; + struct sk_buff_head retry_q; struct ath_node *an; - struct ath_atx_ac *ac; + struct ath_txq *txq; unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; - int bar_index; u16 seq_start; u16 seq_next; u16 baw_size; - int tidno; + u8 tidno; int baw_head; /* first un-acked tx buffer */ int baw_tail; /* next unused tx buffer slot */ - bool sched; - bool paused; + + s8 bar_index; bool active; + bool clear_ps_filter; }; +void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid); + struct ath_node { struct ath_softc *sc; struct ieee80211_sta *sta; /* station struct we're part of */ struct ieee80211_vif *vif; /* interface with which we're associated */ - struct ath_atx_tid tid[IEEE80211_NUM_TIDS]; - struct ath_atx_ac ac[IEEE80211_NUM_ACS]; - int ps_key; u16 maxampdu; u8 mpdudensity; + s8 ps_key; bool sleeping; + bool no_ps_filter; -#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS) - struct dentry *node_stat; +#ifdef CONFIG_ATH9K_STATION_STATISTICS + struct ath_rx_rate_stats rx_rate_stats; #endif + u8 key_idx[4]; + + int ackto; + struct list_head list; }; struct ath_tx_control { struct ath_txq *txq; - struct ath_node *an; - u8 paprd; struct ieee80211_sta *sta; + u8 paprd; }; -#define ATH_TX_ERROR 0x01 /** * @txq_map: Index is mac80211 queue number. This is @@ -289,7 +285,6 @@ struct ath_tx_control { * (axq_qnum). */ struct ath_tx { - u16 seq_no; u32 txqsetup; spinlock_t txbuflock; struct list_head txbuf; @@ -297,7 +292,6 @@ struct ath_tx { struct ath_descdma txdma; struct ath_txq *txq_map[IEEE80211_NUM_ACS]; struct ath_txq *uapsdq; - u32 txq_max_pending[IEEE80211_NUM_ACS]; u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32]; }; @@ -312,25 +306,280 @@ struct ath_rx { bool discard_next; u32 *rxlink; u32 num_pkts; - unsigned int rxfilter; struct list_head rxbuf; struct ath_descdma rxdma; struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; + struct ath_rxbuf *buf_hold; struct sk_buff *frag; u32 ampdu_ref; }; -int ath_startrecv(struct ath_softc *sc); +/*******************/ +/* Channel Context */ +/*******************/ + +struct ath_acq { + struct list_head acq_new; + struct list_head acq_old; + spinlock_t lock; +}; + +struct ath_chanctx { + struct cfg80211_chan_def chandef; + struct list_head vifs; + struct ath_acq acq[IEEE80211_NUM_ACS]; + int hw_queue_base; + + /* do not dereference, use for comparison only */ + struct ieee80211_vif *primary_sta; + + struct ath_beacon_config beacon; + struct ath9k_hw_cal_data caldata; + ktime_t tsf_ts; + u64 tsf_val; + u32 last_beacon; + + int flush_timeout; + u16 txpower; + u16 cur_txpower; + bool offchannel; + bool stopped; + bool active; + bool assigned; + bool switch_after_beacon; + + short nvifs; + short nvifs_assigned; + unsigned int rxfilter; +}; + +enum ath_chanctx_event { + ATH_CHANCTX_EVENT_BEACON_PREPARE, + ATH_CHANCTX_EVENT_BEACON_SENT, + ATH_CHANCTX_EVENT_TSF_TIMER, + ATH_CHANCTX_EVENT_BEACON_RECEIVED, + ATH_CHANCTX_EVENT_AUTHORIZED, + ATH_CHANCTX_EVENT_SWITCH, + ATH_CHANCTX_EVENT_ASSIGN, + ATH_CHANCTX_EVENT_UNASSIGN, + ATH_CHANCTX_EVENT_CHANGE, + ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL, +}; + +enum ath_chanctx_state { + ATH_CHANCTX_STATE_IDLE, + ATH_CHANCTX_STATE_WAIT_FOR_BEACON, + ATH_CHANCTX_STATE_WAIT_FOR_TIMER, + ATH_CHANCTX_STATE_SWITCH, + ATH_CHANCTX_STATE_FORCE_ACTIVE, +}; + +struct ath_chanctx_sched { + bool beacon_pending; + bool beacon_adjust; + bool offchannel_pending; + bool wait_switch; + bool force_noa_update; + bool extend_absence; + bool mgd_prepare_tx; + enum ath_chanctx_state state; + u8 beacon_miss; + + u32 next_tbtt; + u32 switch_start_time; + unsigned int offchannel_duration; + unsigned int channel_switch_time; + + /* backup, in case the hardware timer fails */ + struct timer_list timer; +}; + +enum ath_offchannel_state { + ATH_OFFCHANNEL_IDLE, + ATH_OFFCHANNEL_PROBE_SEND, + ATH_OFFCHANNEL_PROBE_WAIT, + ATH_OFFCHANNEL_SUSPEND, + ATH_OFFCHANNEL_ROC_START, + ATH_OFFCHANNEL_ROC_WAIT, + ATH_OFFCHANNEL_ROC_DONE, +}; + +enum ath_roc_complete_reason { + ATH_ROC_COMPLETE_EXPIRE, + ATH_ROC_COMPLETE_ABORT, + ATH_ROC_COMPLETE_CANCEL, +}; + +struct ath_offchannel { + struct ath_chanctx chan; + struct timer_list timer; + struct cfg80211_scan_request *scan_req; + struct ieee80211_vif *scan_vif; + int scan_idx; + enum ath_offchannel_state state; + struct ieee80211_channel *roc_chan; + struct ieee80211_vif *roc_vif; + int roc_duration; + int duration; +}; + +static inline struct ath_atx_tid * +ath_node_to_tid(struct ath_node *an, u8 tidno) +{ + struct ieee80211_sta *sta = an->sta; + struct ieee80211_vif *vif = an->vif; + struct ieee80211_txq *txq; + + BUG_ON(!vif); + if (sta) + txq = sta->txq[tidno % ARRAY_SIZE(sta->txq)]; + else + txq = vif->txq; + + return (struct ath_atx_tid *) txq->drv_priv; +} + +#define case_rtn_string(val) case val: return #val + +#define ath_for_each_chanctx(_sc, _ctx) \ + for (ctx = &sc->chanctx[0]; \ + ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \ + ctx++) + +void ath_chanctx_init(struct ath_softc *sc); +void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx, + struct cfg80211_chan_def *chandef); + +#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT + +static inline struct ath_chanctx * +ath_chanctx_get(struct ieee80211_chanctx_conf *ctx) +{ + struct ath_chanctx **ptr = (void *) ctx->drv_priv; + return *ptr; +} + +bool ath9k_is_chanctx_enabled(void); +void ath9k_fill_chanctx_ops(void); +void ath9k_init_channel_context(struct ath_softc *sc); +void ath9k_offchannel_init(struct ath_softc *sc); +void ath9k_deinit_channel_context(struct ath_softc *sc); +int ath9k_init_p2p(struct ath_softc *sc); +void ath9k_deinit_p2p(struct ath_softc *sc); +void ath9k_p2p_remove_vif(struct ath_softc *sc, + struct ieee80211_vif *vif); +void ath9k_p2p_beacon_sync(struct ath_softc *sc); +void ath9k_p2p_bss_info_changed(struct ath_softc *sc, + struct ieee80211_vif *vif); +void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, + struct sk_buff *skb); +void ath9k_p2p_ps_timer(void *priv); +void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx); +void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx); +void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx); + +void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, + enum ath_chanctx_event ev); +void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, + enum ath_chanctx_event ev); +void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, + enum ath_chanctx_event ev); +void ath_chanctx_set_next(struct ath_softc *sc, bool force); +void ath_offchannel_next(struct ath_softc *sc); +void ath_scan_complete(struct ath_softc *sc, bool abort); +void ath_roc_complete(struct ath_softc *sc, + enum ath_roc_complete_reason reason); +struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc); + +#else + +static inline bool ath9k_is_chanctx_enabled(void) +{ + return false; +} +static inline void ath9k_fill_chanctx_ops(void) +{ +} +static inline void ath9k_init_channel_context(struct ath_softc *sc) +{ +} +static inline void ath9k_offchannel_init(struct ath_softc *sc) +{ +} +static inline void ath9k_deinit_channel_context(struct ath_softc *sc) +{ +} +static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, + enum ath_chanctx_event ev) +{ +} +static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc, + enum ath_chanctx_event ev) +{ +} +static inline void ath_chanctx_event(struct ath_softc *sc, + struct ieee80211_vif *vif, + enum ath_chanctx_event ev) +{ +} +static inline int ath9k_init_p2p(struct ath_softc *sc) +{ + return 0; +} +static inline void ath9k_deinit_p2p(struct ath_softc *sc) +{ +} +static inline void ath9k_p2p_remove_vif(struct ath_softc *sc, + struct ieee80211_vif *vif) +{ +} +static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc) +{ +} +static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc, + struct ieee80211_vif *vif) +{ +} +static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp, + struct sk_buff *skb) +{ +} +static inline void ath9k_p2p_ps_timer(struct ath_softc *sc) +{ +} +static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc, + struct ath_chanctx *ctx) +{ +} +static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc, + struct ath_chanctx *ctx) +{ +} +static inline void ath_chanctx_check_active(struct ath_softc *sc, + struct ath_chanctx *ctx) +{ +} + +#endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */ + +static inline void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq) +{ + spin_lock_bh(&txq->axq_lock); +} +static inline void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq) +{ + spin_unlock_bh(&txq->axq_lock); +} + +void ath_startrecv(struct ath_softc *sc); bool ath_stoprecv(struct ath_softc *sc); u32 ath_calcrxfilter(struct ath_softc *sc); int ath_rx_init(struct ath_softc *sc, int nbufs); void ath_rx_cleanup(struct ath_softc *sc); int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); -void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq); -void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq); void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); bool ath_drain_all_txq(struct ath_softc *sc); @@ -338,10 +587,14 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); +void ath_txq_schedule_all(struct ath_softc *sc); int ath_tx_init(struct ath_softc *sc, int nbufs); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); +u32 ath_pkt_duration(u8 rix, int pktlen, int width, + int half_gi, bool shortPreamble); void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); +void ath_assign_seq(struct ath_common *common, struct sk_buff *skb); int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, struct ath_tx_control *txctl); void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -351,7 +604,6 @@ void ath_tx_edma_tasklet(struct ath_softc *sc); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); -void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an); void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc, @@ -361,18 +613,70 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, u16 tids, int nframes, enum ieee80211_frame_release_type reason, bool more_data); +void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue); /********/ /* VIFs */ /********/ +#define P2P_DEFAULT_CTWIN 10 + struct ath_vif { + struct list_head list; + + u16 seq_no; + + /* BSS info */ + u8 bssid[ETH_ALEN] __aligned(2); + u16 aid; + bool assoc; + + struct ieee80211_vif *vif; + struct ath_node mcast_node; int av_bslot; - bool primary_sta_vif; __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ struct ath_buf *av_bcbuf; + struct ath_chanctx *chanctx; + + /* P2P Client */ + struct ieee80211_noa_data noa; + + /* P2P GO */ + u8 noa_index; + u32 offchannel_start; + u32 offchannel_duration; + + /* These are used for both periodic and one-shot */ + u32 noa_start; + u32 noa_duration; + bool periodic_noa; + bool oneshot_noa; +}; + +struct ath9k_vif_iter_data { + u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ + u8 mask[ETH_ALEN]; /* bssid mask */ + bool has_hw_macaddr; + u8 slottime; + bool beacons; + + int naps; /* number of AP vifs */ + int nmeshes; /* number of mesh vifs */ + int nstations; /* number of station vifs */ + int nadhocs; /* number of adhoc vifs */ + int nocbs; /* number of OCB vifs */ + int nbcnvifs; /* number of beaconing vifs */ + struct ieee80211_vif *primary_beacon_vif; + struct ieee80211_vif *primary_sta; }; +void ath9k_calculate_iter_data(struct ath_softc *sc, + struct ath_chanctx *ctx, + struct ath9k_vif_iter_data *iter_data); +void ath9k_calculate_summary_state(struct ath_softc *sc, + struct ath_chanctx *ctx); +void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif); + /*******************/ /* Beacon Handling */ /*******************/ @@ -386,17 +690,9 @@ struct ath_vif { #define ATH_BCBUF 8 #define ATH_DEFAULT_BINTVAL 100 /* TU */ #define ATH_DEFAULT_BMISS_LIMIT 10 -#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) - -struct ath_beacon_config { - int beacon_interval; - u16 listen_interval; - u16 dtim_period; - u16 bmiss_timeout; - u8 dtim_count; - bool enable_beacon; - bool ibss_creator; -}; + +#define TSF_TO_TU(_h,_l) \ + ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) struct ath_beacon { enum { @@ -407,11 +703,9 @@ struct ath_beacon { u32 beaconq; u32 bmisscnt; - u32 bc_tstamp; struct ieee80211_vif *bslot[ATH_BCBUF]; int slottime; int slotupdate; - struct ath9k_tx_queue_info beacon_qi; struct ath_descdma bdma; struct ath_txq *cabq; struct list_head bbuf; @@ -420,14 +714,15 @@ struct ath_beacon { bool tx_last; }; -void ath9k_beacon_tasklet(unsigned long data); -bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); -void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif, - u32 changed); +void ath9k_beacon_tasklet(struct tasklet_struct *t); +void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif, + bool beacons); void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif); void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif); -void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif); +void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc); void ath9k_set_beacon(struct ath_softc *sc); +bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif); +void ath9k_csa_update(struct ath_softc *sc); /*******************/ /* Link Monitoring */ @@ -440,25 +735,25 @@ void ath9k_set_beacon(struct ath_softc *sc); #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ -#define ATH_ANI_MAX_SKIP_COUNT 10 +#define ATH_ANI_MAX_SKIP_COUNT 10 +#define ATH_PAPRD_TIMEOUT 100 /* msecs */ +#define ATH_PLL_WORK_INTERVAL 100 -#define ATH_PAPRD_TIMEOUT 100 /* msecs */ -#define ATH_PLL_WORK_INTERVAL 100 - -void ath_tx_complete_poll_work(struct work_struct *work); +void ath_hw_check_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); -void ath_hw_check(struct work_struct *work); +bool ath_hw_check(struct ath_softc *sc); void ath_hw_pll_work(struct work_struct *work); -void ath_rx_poll(unsigned long data); -void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon); void ath_paprd_calibrate(struct work_struct *work); -void ath_ani_calibrate(unsigned long data); +void ath_ani_calibrate(struct timer_list *t); void ath_start_ani(struct ath_softc *sc); void ath_stop_ani(struct ath_softc *sc); void ath_check_ani(struct ath_softc *sc); int ath_update_survey_stats(struct ath_softc *sc); void ath_update_survey_nf(struct ath_softc *sc, int channel); void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); +void ath_ps_full_sleep(struct timer_list *t); +void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop, + bool sw_pending, bool timeout_override); /**********/ /* BTCOEX */ @@ -466,8 +761,8 @@ void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type); #define ATH_DUMP_BTCOEX(_s, _val) \ do { \ - len += snprintf(buf + len, size - len, \ - "%20s : %10d\n", _s, (_val)); \ + len += scnprintf(buf + len, size - len, \ + "%20s : %10d\n", _s, (_val)); \ } while (0) enum bt_op_flags { @@ -476,20 +771,19 @@ enum bt_op_flags { }; struct ath_btcoex { - bool hw_timer_enabled; spinlock_t btcoex_lock; struct timer_list period_timer; /* Timer for BT period */ + struct timer_list no_stomp_timer; u32 bt_priority_cnt; unsigned long bt_priority_time; unsigned long op_flags; int bt_stomp_type; /* Types of BT stomping */ - u32 btcoex_no_stomp; /* in usec */ + u32 btcoex_no_stomp; /* in msec */ u32 btcoex_period; /* in msec */ - u32 btscan_no_stomp; /* in usec */ + u32 btscan_no_stomp; /* in msec */ u32 duty_cycle; u32 bt_wait_time; int rssi_count; - struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ struct ath_mci_profile mci; u8 stomp_audio; }; @@ -537,12 +831,6 @@ static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size) } #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ -struct ath9k_wow_pattern { - u8 pattern_bytes[MAX_PATTERN_SIZE]; - u8 mask_bytes[MAX_PATTERN_SIZE]; - u32 pattern_len; -}; - /********************/ /* LED Control */ /********************/ @@ -556,7 +844,6 @@ struct ath9k_wow_pattern { #ifdef CONFIG_MAC80211_LEDS void ath_init_leds(struct ath_softc *sc); void ath_deinit_leds(struct ath_softc *sc); -void ath_fill_led_pin(struct ath_softc *sc); #else static inline void ath_init_leds(struct ath_softc *sc) { @@ -565,10 +852,39 @@ static inline void ath_init_leds(struct ath_softc *sc) static inline void ath_deinit_leds(struct ath_softc *sc) { } -static inline void ath_fill_led_pin(struct ath_softc *sc) +#endif + +/************************/ +/* Wake on Wireless LAN */ +/************************/ + +#ifdef CONFIG_ATH9K_WOW +void ath9k_init_wow(struct ieee80211_hw *hw); +void ath9k_deinit_wow(struct ieee80211_hw *hw); +int ath9k_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan); +int ath9k_resume(struct ieee80211_hw *hw); +void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled); +#else +static inline void ath9k_init_wow(struct ieee80211_hw *hw) { } -#endif +static inline void ath9k_deinit_wow(struct ieee80211_hw *hw) +{ +} +static inline int ath9k_suspend(struct ieee80211_hw *hw, + struct cfg80211_wowlan *wowlan) +{ + return 0; +} +static inline int ath9k_resume(struct ieee80211_hw *hw) +{ + return 0; +} +static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled) +{ +} +#endif /* CONFIG_ATH9K_WOW */ /*******************************/ /* Antenna diversity/combining */ @@ -585,19 +901,13 @@ static inline void ath_fill_led_pin(struct ath_softc *sc) #define ATH_ANT_DIV_COMB_MAX_COUNT 100 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 +#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50 +#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50 -#define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 -enum ath9k_ant_div_comb_lna_conf { - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2, - ATH_ANT_DIV_COMB_LNA2, - ATH_ANT_DIV_COMB_LNA1, - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2, -}; - struct ath_ant_comb { u16 count; u16 total_pkt_count; @@ -614,49 +924,51 @@ struct ath_ant_comb { int rssi_first; int rssi_second; int rssi_third; + int ant_ratio; + int ant_ratio2; bool alt_good; int quick_scan_cnt; - int main_conf; + enum ath9k_ant_div_comb_lna_conf main_conf; enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; bool first_ratio; bool second_ratio; unsigned long scan_start_time; + + /* + * Card-specific config values. + */ + int low_rssi_thresh; + int fast_div_bias; }; void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); -void ath_ant_comb_update(struct ath_softc *sc); /********************/ /* Main driver core */ /********************/ -#define ATH9K_PCI_CUS198 0x0001 -#define ATH9K_PCI_CUS230 0x0002 -#define ATH9K_PCI_CUS217 0x0004 -#define ATH9K_PCI_WOW 0x0008 +#define ATH9K_PCI_CUS198 0x0001 +#define ATH9K_PCI_CUS230 0x0002 +#define ATH9K_PCI_CUS217 0x0004 +#define ATH9K_PCI_CUS252 0x0008 +#define ATH9K_PCI_WOW 0x0010 +#define ATH9K_PCI_BT_ANT_DIV 0x0020 +#define ATH9K_PCI_D3_L1_WAR 0x0040 +#define ATH9K_PCI_AR9565_1ANT 0x0080 +#define ATH9K_PCI_AR9565_2ANT 0x0100 +#define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200 +#define ATH9K_PCI_KILLER 0x0400 +#define ATH9K_PCI_LED_ACT_HI 0x0800 /* * Default cache line size, in bytes. * Used when PCI device not fully initialized by bootrom/BIOS */ #define DEFAULT_CACHELINE 32 -#define ATH_REGCLASSIDS_MAX 10 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ -#define ATH_MAX_SW_RETRIES 30 -#define ATH_CHAN_MAX 255 - #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ -#define ATH_RATE_DUMMY_MARKER 0 - -enum sc_op_flags { - SC_OP_INVALID, - SC_OP_BEACONS, - SC_OP_ANI_RUN, - SC_OP_PRIM_STA_VIF, - SC_OP_HW_RESET, - SC_OP_SCANNING, -}; +#define MAX_GTT_CNT 5 /* Powersave flags */ #define PS_WAIT_FOR_BEACON BIT(0) @@ -666,36 +978,7 @@ enum sc_op_flags { #define PS_BEACON_SYNC BIT(4) #define PS_WAIT_FOR_ANI BIT(5) -struct ath_rate_table; - -struct ath9k_vif_iter_data { - u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */ - u8 mask[ETH_ALEN]; /* bssid mask */ - bool has_hw_macaddr; - - int naps; /* number of AP vifs */ - int nmeshes; /* number of mesh vifs */ - int nstations; /* number of station vifs */ - int nwds; /* number of WDS vifs */ - int nadhocs; /* number of adhoc vifs */ -}; - -/* enum spectral_mode: - * - * @SPECTRAL_DISABLED: spectral mode is disabled - * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with - * something else. - * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples - * is performed manually. - * @SPECTRAL_CHANSCAN: Like manual, but also triggered when changing channels - * during a channel scan. - */ -enum spectral_mode { - SPECTRAL_DISABLED = 0, - SPECTRAL_BACKGROUND, - SPECTRAL_MANUAL, - SPECTRAL_CHANSCAN, -}; +#define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */ struct ath_softc { struct ieee80211_hw *hw; @@ -704,6 +987,7 @@ struct ath_softc { struct survey_info *cur_survey; struct survey_info survey[ATH9K_NUM_CHANNELS]; + spinlock_t intr_lock; struct tasklet_struct intr_tq; struct tasklet_struct bcon_tasklet; struct ath_hw *sc_ah; @@ -714,28 +998,41 @@ struct ath_softc { spinlock_t sc_pcu_lock; struct mutex mutex; struct work_struct paprd_work; - struct work_struct hw_check_work; struct work_struct hw_reset_work; struct completion paprd_complete; + wait_queue_head_t tx_wait; + +#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT + struct work_struct chanctx_work; + struct ath_gen_timer *p2p_ps_timer; + struct ath_vif *p2p_ps_vif; + struct ath_chanctx_sched sched; + struct ath_offchannel offchannel; + struct ath_chanctx *next_chan; + struct completion go_beacon; + ktime_t last_event_time; +#endif - unsigned int hw_busy_count; - unsigned long sc_flags; unsigned long driver_data; + u8 gtt_cnt; u32 intrstatus; + unsigned long rx_active_check_time; + u32 rx_active_count; u16 ps_flags; /* PS_* */ - u16 curtxpow; bool ps_enabled; bool ps_idle; short nbcnvifs; - short nvifs; unsigned long ps_usecount; - struct ath_config config; struct ath_rx rx; struct ath_tx tx; struct ath_beacon beacon; - struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; + + struct cfg80211_chan_def cur_chandef; + struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX]; + struct ath_chanctx *cur_chan; + spinlock_t chan_lock; #ifdef CONFIG_MAC80211_LEDS bool led_registered; @@ -743,16 +1040,12 @@ struct ath_softc { struct led_classdev led_cdev; #endif - struct ath9k_hw_cal_data caldata; - int last_rssi; - #ifdef CONFIG_ATH9K_DEBUGFS struct ath9k_debug debug; #endif - struct ath_beacon_config cur_beacon_conf; - struct delayed_work tx_complete_work; + struct delayed_work hw_check_work; struct delayed_work hw_pll_work; - struct timer_list rx_poll_timer; + struct timer_list sleep_timer; #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT struct ath_btcoex btcoex; @@ -765,172 +1058,84 @@ struct ath_softc { struct ath_ant_comb ant_comb; u8 ant_tx, ant_rx; struct dfs_pattern_detector *dfs_detector; + u64 dfs_prev_pulse_ts; u32 wow_enabled; - /* relay(fs) channel for spectral scan */ - struct rchan *rfs_chan_spec_scan; - enum spectral_mode spectral_mode; - struct ath_spec_scan spec_config; - -#ifdef CONFIG_PM_SLEEP - atomic_t wow_got_bmiss_intr; - atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */ - u32 wow_intr_before_sleep; -#endif -}; - -#define SPECTRAL_SCAN_BITMASK 0x10 -/* Radar info packet format, used for DFS and spectral formats. */ -struct ath_radar_info { - u8 pulse_length_pri; - u8 pulse_length_ext; - u8 pulse_bw_info; -} __packed; -/* The HT20 spectral data has 4 bytes of additional information at it's end. - * - * [7:0]: all bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: all bins max_magnitude[9:2] - * [7:0]: all bins {max_index[5:0], max_magnitude[11:10]} - * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) - */ -struct ath_ht20_mag_info { - u8 all_bins[3]; - u8 max_exp; -} __packed; - -#define SPECTRAL_HT20_NUM_BINS 56 - -/* WARNING: don't actually use this struct! MAC may vary the amount of - * data by -1/+2. This struct is for reference only. - */ -struct ath_ht20_fft_packet { - u8 data[SPECTRAL_HT20_NUM_BINS]; - struct ath_ht20_mag_info mag_info; - struct ath_radar_info radar_info; -} __packed; + struct ath_spec_scan_priv spec_priv; -#define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet)) + struct ieee80211_vif *tx99_vif; + struct sk_buff *tx99_skb; + bool tx99_state; + s16 tx99_power; -/* Dynamic 20/40 mode: - * - * [7:0]: lower bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: lower bins max_magnitude[9:2] - * [7:0]: lower bins {max_index[5:0], max_magnitude[11:10]} - * [7:0]: upper bins {max_magnitude[1:0], bitmap_weight[5:0]} - * [7:0]: upper bins max_magnitude[9:2] - * [7:0]: upper bins {max_index[5:0], max_magnitude[11:10]} - * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned) - */ -struct ath_ht20_40_mag_info { - u8 lower_bins[3]; - u8 upper_bins[3]; - u8 max_exp; -} __packed; - -#define SPECTRAL_HT20_40_NUM_BINS 128 - -/* WARNING: don't actually use this struct! MAC may vary the amount of - * data. This struct is for reference only. - */ -struct ath_ht20_40_fft_packet { - u8 data[SPECTRAL_HT20_40_NUM_BINS]; - struct ath_ht20_40_mag_info mag_info; - struct ath_radar_info radar_info; -} __packed; +#ifdef CONFIG_ATH9K_WOW + u32 wow_intr_before_sleep; + bool force_wow; +#endif +#ifdef CONFIG_ATH9K_HWRNG + struct hwrng rng_ops; + u32 rng_last; + char rng_name[sizeof("ath9k_65535")]; +#endif +}; -#define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet)) +/********/ +/* TX99 */ +/********/ -/* grabs the max magnitude from the all/upper/lower bins */ -static inline u16 spectral_max_magnitude(u8 *bins) +#ifdef CONFIG_ATH9K_TX99 +void ath9k_tx99_init_debug(struct ath_softc *sc); +int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb, + struct ath_tx_control *txctl); +#else +static inline void ath9k_tx99_init_debug(struct ath_softc *sc) { - return (bins[0] & 0xc0) >> 6 | - (bins[1] & 0xff) << 2 | - (bins[2] & 0x03) << 10; } - -/* return the max magnitude from the all/upper/lower bins */ -static inline u8 spectral_max_index(u8 *bins) +static inline int ath9k_tx99_send(struct ath_softc *sc, + struct sk_buff *skb, + struct ath_tx_control *txctl) { - s8 m = (bins[2] & 0xfc) >> 2; - - /* TODO: this still doesn't always report the right values ... */ - if (m > 32) - m |= 0xe0; - else - m &= ~0xe0; - - return m + 29; + return 0; } - -/* return the bitmap weight from the all/upper/lower bins */ -static inline u8 spectral_bitmap_weight(u8 *bins) +#endif /* CONFIG_ATH9K_TX99 */ + +/***************************/ +/* Random Number Generator */ +/***************************/ +#ifdef CONFIG_ATH9K_HWRNG +void ath9k_rng_start(struct ath_softc *sc); +void ath9k_rng_stop(struct ath_softc *sc); +#else +static inline void ath9k_rng_start(struct ath_softc *sc) { - return bins[0] & 0x3f; } -/* FFT sample format given to userspace via debugfs. - * - * Please keep the type/length at the front position and change - * other fields after adding another sample type - * - * TODO: this might need rework when switching to nl80211-based - * interface. - */ -enum ath_fft_sample_type { - ATH_FFT_SAMPLE_HT20 = 1, -}; - -struct fft_sample_tlv { - u8 type; /* see ath_fft_sample */ - __be16 length; - /* type dependent data follows */ -} __packed; - -struct fft_sample_ht20 { - struct fft_sample_tlv tlv; - - u8 max_exp; - - __be16 freq; - s8 rssi; - s8 noise; - - __be16 max_magnitude; - u8 max_index; - u8 bitmap_weight; - - __be64 tsf; - - u8 data[SPECTRAL_HT20_NUM_BINS]; -} __packed; - -void ath9k_tasklet(unsigned long data); -int ath_cabq_update(struct ath_softc *); +static inline void ath9k_rng_stop(struct ath_softc *sc) +{ +} +#endif static inline void ath_read_cachesize(struct ath_common *common, int *csz) { common->bus_ops->read_cachesize(common, csz); } -extern struct ieee80211_ops ath9k_ops; -extern int ath9k_modparam_nohwcrypt; -extern int led_blink; -extern bool is_ath9k_unloaded; - +void ath9k_tasklet(struct tasklet_struct *t); +int ath_cabq_update(struct ath_softc *); u8 ath9k_parse_mpdudensity(u8 mpdudensity); irqreturn_t ath_isr(int irq, void *dev); +int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan); +void ath_cancel_work(struct ath_softc *sc); +void ath_restart_work(struct ath_softc *sc); int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); void ath9k_deinit_device(struct ath_softc *sc); -void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); -void ath9k_reload_chainmask_settings(struct ath_softc *sc); - -bool ath9k_uses_beacons(int type); -void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw); -int ath9k_spectral_scan_config(struct ieee80211_hw *hw, - enum spectral_mode spectral_mode); - +u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); +void ath_start_rfkill_poll(struct ath_softc *sc); +void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); +void ath9k_ps_wakeup(struct ath_softc *sc); +void ath9k_ps_restore(struct ath_softc *sc); #ifdef CONFIG_ATH9K_PCI int ath_pci_init(void); @@ -948,15 +1153,4 @@ static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif -void ath9k_ps_wakeup(struct ath_softc *sc); -void ath9k_ps_restore(struct ath_softc *sc); - -u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); - -void ath_start_rfkill_poll(struct ath_softc *sc); -extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); -void ath9k_calculate_iter_data(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ath9k_vif_iter_data *iter_data); - #endif /* ATH9K_H */ |