X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fath%2Fath9k%2Fath9k.h;h=f67be52591d524b5b4b09695212e6c0b1d975b0f;hb=4adfcdedd4e0c05c1b659da5f2b8bc4e2d4a86df;hp=10ffc9442859b58fc2a2be0c852a5828e67b6cd2;hpb=4f0fc7c39f2a224b939f22d4dca552b266319525;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 10ffc94..f67be52 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -19,23 +19,25 @@ #include #include -#include #include -#include -#include "hw.h" -#include "rc.h" #include "debug.h" +#include "common.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; /* Macro to expand scalars to 64-bit objects */ -#define ito64(x) (sizeof(x) == 8) ? \ +#define ito64(x) (sizeof(x) == 1) ? \ (((unsigned long long int)(x)) & (0xff)) : \ - (sizeof(x) == 16) ? \ + (sizeof(x) == 2) ? \ (((unsigned long long int)(x)) & 0xffff) : \ - ((sizeof(x) == 32) ? \ + ((sizeof(x) == 4) ? \ (((unsigned long long int)(x)) & 0xffffffff) : \ (unsigned long long int)(x)) @@ -53,15 +55,11 @@ struct ath_node; #define A_MAX(a, b) ((a) > (b) ? (a) : (b)) -#define ASSERT(exp) BUG_ON(!(exp)) - #define TSF_TO_TU(_h,_l) \ ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<bf_state.bf_type & BUF_RETRY) #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) -struct ath_buf { - struct list_head list; - struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or - an aggregate) */ - struct ath_buf *bf_next; /* next subframe in the aggregate */ - struct sk_buff *bf_mpdu; /* enclosing frame structure */ - struct ath_desc *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 */ - bool bf_stale; - u16 bf_flags; - struct ath_buf_state bf_state; - dma_addr_t bf_dmacontext; -}; - struct ath_descdma { struct ath_desc *dd_desc; dma_addr_t dd_desc_paddr; @@ -152,7 +123,7 @@ struct ath_descdma { int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, struct list_head *head, const char *name, - int nbuf, int ndesc); + int nbuf, int ndesc, bool is_tx); void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, struct list_head *head); @@ -162,14 +133,9 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, #define ATH_MAX_ANTENNA 3 #define ATH_RXBUF 512 -#define WME_NUM_TID 16 #define ATH_TXBUF 512 #define ATH_TXMAXTRY 13 -#define ATH_11N_TXMAXTRY 10 #define ATH_MGT_TXMAXTRY 4 -#define WME_BA_BMP_SIZE 64 -#define WME_MAX_BA WME_BA_BMP_SIZE -#define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) #define TID_TO_WME_AC(_tid) \ ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ @@ -177,12 +143,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ WME_AC_VO) -#define WME_AC_BE 0 -#define WME_AC_BK 1 -#define WME_AC_VI 2 -#define WME_AC_VO 3 -#define WME_NUM_AC 4 - #define ADDBA_EXCHANGE_ATTEMPTS 10 #define ATH_AGGR_DELIM_SZ 4 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ @@ -191,13 +151,9 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, /* minimum h/w qdepth to be sustained to maximize aggregation */ #define ATH_AGGR_MIN_QDEPTH 2 #define ATH_AMPDU_SUBFRAME_DEFAULT 32 -#define ATH_AMPDU_LIMIT_MAX (64 * 1024 - 1) -#define ATH_AMPDU_LIMIT_DEFAULT ATH_AMPDU_LIMIT_MAX #define IEEE80211_SEQ_SEQ_SHIFT 4 #define IEEE80211_SEQ_MAX 4096 -#define IEEE80211_MIN_AMPDU_BUF 0x8 -#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13 #define IEEE80211_WEP_IVLEN 3 #define IEEE80211_WEP_KIDLEN 1 #define IEEE80211_WEP_CRCLEN 4 @@ -222,11 +178,10 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, #define BAW_WITHIN(_start, _bawsz, _seqno) \ ((((_seqno) - (_start)) & 4095) < (_bawsz)) -#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum) -#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low) -#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA) #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) +#define ATH_TX_COMPLETE_POLL_INT 1000 + enum ATH_AGGR_STATUS { ATH_AGGR_DONE, ATH_AGGR_BAW_CLOSED, @@ -239,18 +194,8 @@ struct ath_txq { struct list_head axq_q; spinlock_t axq_lock; u32 axq_depth; - u8 axq_aggr_depth; - u32 axq_totalqueued; bool stopped; - struct ath_buf *axq_linkbuf; - - /* first desc of the last descriptor that contains CTS */ - struct ath_desc *axq_lastdsWithCTS; - - /* final desc of the gating desc that determines whether - lastdsWithCTS has been DMA'ed or not */ - struct ath_desc *axq_gatingds; - + bool axq_tx_inprogress; struct list_head axq_acq; }; @@ -258,31 +203,6 @@ struct ath_txq { #define AGGR_ADDBA_COMPLETE BIT(2) #define AGGR_ADDBA_PROGRESS BIT(3) -struct ath_atx_tid { - struct list_head list; - struct list_head buf_q; - struct ath_node *an; - struct ath_atx_ac *ac; - struct ath_buf *tx_buf[ATH_TID_MAX_BUFS]; - u16 seq_start; - u16 seq_next; - u16 baw_size; - int tidno; - int baw_head; /* first un-acked tx buffer */ - int baw_tail; /* next unused tx buffer slot */ - int sched; - int paused; - u8 state; - int addba_exchangeattempts; -}; - -struct ath_atx_ac { - int sched; - int qnum; - struct list_head list; - struct list_head tid_q; -}; - struct ath_tx_control { struct ath_txq *txq; int if_id; @@ -293,14 +213,6 @@ struct ath_tx_control { #define ATH_TX_XRETRY 0x02 #define ATH_TX_BAR 0x04 -struct ath_node { - struct ath_softc *an_sc; - struct ath_atx_tid tid[WME_NUM_TID]; - struct ath_atx_ac ac[WME_NUM_AC]; - u16 maxampdu; - u8 mpdudensity; -}; - struct ath_tx { u16 seq_no; u32 txqsetup; @@ -311,16 +223,23 @@ struct ath_tx { struct ath_descdma txdma; }; +struct ath_rx_edma { + struct sk_buff_head rx_fifo; + struct sk_buff_head rx_buffers; + u32 rx_fifo_hwsize; +}; + struct ath_rx { u8 defant; u8 rxotherant; u32 *rxlink; - int bufsize; unsigned int rxfilter; spinlock_t rxflushlock; spinlock_t rxbuflock; struct list_head rxbuf; struct ath_descdma rxdma; + struct ath_buf *rx_bufptr; + struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; }; int ath_startrecv(struct ath_softc *sc); @@ -329,7 +248,7 @@ void ath_flushrecv(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); +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_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); int ath_tx_setup(struct ath_softc *sc, int haltype); @@ -349,10 +268,11 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, void ath_tx_tasklet(struct ath_softc *sc); void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb); bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno); -int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, - u16 tid, u16 *ssn); -int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); +void 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 ath9k_enable_ps(struct ath_softc *sc); /********/ /* VIFs */ @@ -413,9 +333,9 @@ struct ath_beacon { void ath_beacon_tasklet(unsigned long data); void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); -int ath_beaconq_setup(struct ath_hw *ah); int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif); void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); +int ath_beaconq_config(struct ath_softc *sc); /*******/ /* ANI */ @@ -427,21 +347,43 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ -struct ath_ani { - bool caldone; - int16_t noise_floor; - unsigned int longcal_timer; - unsigned int shortcal_timer; - unsigned int resetcal_timer; - unsigned int checkani_timer; - struct timer_list timer; +void ath_ani_calibrate(unsigned long data); + +/**********/ +/* BTCOEX */ +/**********/ + +/* Defines the BT AR_BT_COEX_WGHT used */ +enum ath_stomp_type { + ATH_BTCOEX_NO_STOMP, + ATH_BTCOEX_STOMP_ALL, + ATH_BTCOEX_STOMP_LOW, + ATH_BTCOEX_STOMP_NONE +}; + +struct ath_btcoex { + bool hw_timer_enabled; + spinlock_t btcoex_lock; + struct timer_list period_timer; /* Timer for BT period */ + u32 bt_priority_cnt; + unsigned long bt_priority_time; + int bt_stomp_type; /* Types of BT stomping */ + u32 btcoex_no_stomp; /* in usec */ + u32 btcoex_period; /* in usec */ + u32 btscan_no_stomp; /* in usec */ + struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ }; +int ath_init_btcoex_timer(struct ath_softc *sc); +void ath9k_btcoex_timer_resume(struct ath_softc *sc); +void ath9k_btcoex_timer_pause(struct ath_softc *sc); + /********************/ /* LED Control */ /********************/ -#define ATH_LED_PIN 1 +#define ATH_LED_PIN_DEF 1 +#define ATH_LED_PIN_9287 8 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ @@ -460,14 +402,8 @@ struct ath_led { bool registered; }; -/* Rfkill */ -#define ATH_RFKILL_POLL_INTERVAL 2000 /* msecs */ - -struct ath_rfkill { - struct rfkill *rfkill; - struct delayed_work rfkill_poll; - char rfkill_name[32]; -}; +void ath_init_leds(struct ath_softc *sc); +void ath_deinit_leds(struct ath_softc *sc); /********************/ /* Main driver core */ @@ -478,51 +414,41 @@ struct ath_rfkill { * Used when PCI device not fully initialized by bootrom/BIOS */ #define DEFAULT_CACHELINE 32 -#define ATH_DEFAULT_NOISE_FLOOR -95 #define ATH_REGCLASSIDS_MAX 10 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ #define ATH_MAX_SW_RETRIES 10 #define ATH_CHAN_MAX 255 #define IEEE80211_WEP_NKID 4 /* number of key ids */ -/* - * The key cache is used for h/w cipher state and also for - * tracking station state such as the current tx antenna. - * We also setup a mapping table between key cache slot indices - * and station state to short-circuit node lookups on rx. - * Different parts have different size key caches. We handle - * up to ATH_KEYMAX entries (could dynamically allocate state). - */ -#define ATH_KEYMAX 128 /* max key cache size we handle */ - #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ -#define ATH_RSSI_DUMMY_MARKER 0x127 #define ATH_RATE_DUMMY_MARKER 0 -#define SC_OP_INVALID BIT(0) -#define SC_OP_BEACONS BIT(1) -#define SC_OP_RXAGGR BIT(2) -#define SC_OP_TXAGGR BIT(3) -#define SC_OP_FULL_RESET BIT(4) -#define SC_OP_PREAMBLE_SHORT BIT(5) -#define SC_OP_PROTECT_ENABLE BIT(6) -#define SC_OP_RXFLUSH BIT(7) -#define SC_OP_LED_ASSOCIATED BIT(8) -#define SC_OP_RFKILL_REGISTERED BIT(9) -#define SC_OP_RFKILL_SW_BLOCKED BIT(10) -#define SC_OP_RFKILL_HW_BLOCKED BIT(11) -#define SC_OP_WAIT_FOR_BEACON BIT(12) -#define SC_OP_LED_ON BIT(13) -#define SC_OP_SCANNING BIT(14) -#define SC_OP_TSF_RESET BIT(15) - -struct ath_bus_ops { - void (*read_cachesize)(struct ath_softc *sc, int *csz); - void (*cleanup)(struct ath_softc *sc); - bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data); -}; +#define SC_OP_INVALID BIT(0) +#define SC_OP_BEACONS BIT(1) +#define SC_OP_RXAGGR BIT(2) +#define SC_OP_TXAGGR BIT(3) +#define SC_OP_FULL_RESET BIT(4) +#define SC_OP_PREAMBLE_SHORT BIT(5) +#define SC_OP_PROTECT_ENABLE BIT(6) +#define SC_OP_RXFLUSH BIT(7) +#define SC_OP_LED_ASSOCIATED BIT(8) +#define SC_OP_LED_ON BIT(9) +#define SC_OP_SCANNING BIT(10) +#define SC_OP_TSF_RESET BIT(11) +#define SC_OP_BT_PRIORITY_DETECTED BIT(12) +#define SC_OP_BT_SCAN BIT(13) + +/* Powersave flags */ +#define PS_WAIT_FOR_BEACON BIT(0) +#define PS_WAIT_FOR_CAB BIT(1) +#define PS_WAIT_FOR_PSPOLL_DATA BIT(2) +#define PS_WAIT_FOR_TX_ACK BIT(3) +#define PS_BEACON_SYNC BIT(4) +#define PS_NULLFUNC_COMPLETED BIT(5) +#define PS_ENABLED BIT(6) struct ath_wiphy; +struct ath_rate_table; struct ath_softc { struct ieee80211_hw *hw; @@ -550,34 +476,25 @@ struct ath_softc { int irq; spinlock_t sc_resetlock; spinlock_t sc_serial_rw; + spinlock_t sc_pm_lock; struct mutex mutex; - u8 curbssid[ETH_ALEN]; - u8 bssidmask[ETH_ALEN]; u32 intrstatus; u32 sc_flags; /* SC_OP_* */ + u16 ps_flags; /* PS_* */ u16 curtxpow; - u16 curaid; - u16 cachelsz; u8 nbcnvifs; u16 nvifs; - u8 tx_chainmask; - u8 rx_chainmask; - u32 keymax; - DECLARE_BITMAP(keymap, ATH_KEYMAX); - u8 splitmic; - atomic_t ps_usecount; - enum ath9k_int imask; - enum ath9k_ht_extprotspacing ht_extprotspacing; - enum ath9k_ht_macmode tx_chan_width; + bool ps_enabled; + bool ps_idle; + unsigned long ps_usecount; struct ath_config config; struct ath_rx rx; struct ath_tx tx; struct ath_beacon beacon; - struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX]; - const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX]; const struct ath_rate_table *cur_rate_table; + enum wireless_mode cur_rate_mode; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; struct ath_led radio_led; @@ -592,13 +509,12 @@ struct ath_softc { int beacon_interval; - struct ath_rfkill rf_kill; - struct ath_ani ani; - struct ath9k_node_stats nodestats; -#ifdef CONFIG_ATH9K_DEBUG +#ifdef CONFIG_ATH9K_DEBUGFS struct ath9k_debug debug; #endif - struct ath_bus_ops *bus_ops; + struct ath_beacon_config cur_beacon_conf; + struct delayed_work tx_complete_work; + struct ath_btcoex btcoex; }; struct ath_wiphy { @@ -611,41 +527,41 @@ struct ath_wiphy { ATH_WIPHY_PAUSED, ATH_WIPHY_SCAN, } state; + bool idle; int chan_idx; int chan_is_ht; }; +void ath9k_tasklet(unsigned long data); int ath_reset(struct ath_softc *sc, bool retry_tx); int ath_get_hal_qnum(u16 queue, struct ath_softc *sc); int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc); int ath_cabq_update(struct ath_softc *); -static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) -{ - sc->bus_ops->read_cachesize(sc, csz); -} - -static inline void ath_bus_cleanup(struct ath_softc *sc) +static inline void ath_read_cachesize(struct ath_common *common, int *csz) { - sc->bus_ops->cleanup(sc); + common->bus_ops->read_cachesize(common, csz); } extern struct ieee80211_ops ath9k_ops; +extern int modparam_nohwcrypt; irqreturn_t ath_isr(int irq, void *dev); -void ath_cleanup(struct ath_softc *sc); -int ath_attach(u16 devid, struct ath_softc *sc); -void ath_detach(struct ath_softc *sc); +int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, + const struct ath_bus_ops *bus_ops); +void ath9k_deinit_device(struct ath_softc *sc); const char *ath_mac_bb_name(u32 mac_bb_version); const char *ath_rf_name(u16 rf_version); -void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); +void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw, struct ath9k_channel *ichan); void ath_update_chainmask(struct ath_softc *sc, int is_ht); int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, struct ath9k_channel *hchan); -void ath_radio_enable(struct ath_softc *sc); -void ath_radio_disable(struct ath_softc *sc); + +void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw); +void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw); +bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode); #ifdef CONFIG_PCI int ath_pci_init(void); @@ -663,24 +579,8 @@ static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif -static inline void ath9k_ps_wakeup(struct ath_softc *sc) -{ - if (atomic_inc_return(&sc->ps_usecount) == 1) - if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) { - sc->sc_ah->restore_mode = sc->sc_ah->power_mode; - ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); - } -} - -static inline void ath9k_ps_restore(struct ath_softc *sc) -{ - if (atomic_dec_and_test(&sc->ps_usecount)) - if ((sc->hw->conf.flags & IEEE80211_CONF_PS) && - !(sc->sc_flags & SC_OP_WAIT_FOR_BEACON)) - ath9k_hw_setpower(sc->sc_ah, - sc->sc_ah->restore_mode); -} - +void ath9k_ps_wakeup(struct ath_softc *sc); +void ath9k_ps_restore(struct ath_softc *sc); void ath9k_set_bssid_mask(struct ieee80211_hw *hw); int ath9k_wiphy_add(struct ath_softc *sc); @@ -696,8 +596,15 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, struct ath_wiphy *selected); bool ath9k_wiphy_scanning(struct ath_softc *sc); void ath9k_wiphy_work(struct work_struct *work); +bool ath9k_all_wiphys_idle(struct ath_softc *sc); +void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle); + +void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue); +void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue); + +int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype); -void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val); -unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset); +void ath_start_rfkill_poll(struct ath_softc *sc); +extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); #endif /* ATH9K_H */