diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ath9k.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 215 |
1 files changed, 44 insertions, 171 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 1d59f10f68d..e2cef2ff5d8 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -19,14 +19,15 @@ #include <linux/etherdevice.h> #include <linux/device.h> -#include <net/mac80211.h> #include <linux/leds.h> -#include "hw.h" -#include "rc.h" #include "debug.h" -#include "../ath.h" -#include "btcoex.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; @@ -54,15 +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<<i)) -static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - struct ath_config { u32 ath_aggr_prot; u16 txpowlimit; @@ -103,18 +100,6 @@ enum buffer_type { BUF_XRETRY = BIT(5), }; -struct ath_buf_state { - int bfs_nframes; - u16 bfs_al; - u16 bfs_frmlen; - int bfs_seqno; - int bfs_tidno; - int bfs_retries; - u8 bf_type; - u32 bfs_keyix; - enum ath9k_key_type bfs_keytype; -}; - #define bf_nframes bf_state.bfs_nframes #define bf_al bf_state.bfs_al #define bf_frmlen bf_state.bfs_frmlen @@ -129,21 +114,6 @@ struct ath_buf_state { #define bf_isretried(bf) (bf->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; @@ -163,13 +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_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 */ @@ -191,7 +151,6 @@ 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 IEEE80211_SEQ_SEQ_SHIFT 4 #define IEEE80211_SEQ_MAX 4096 @@ -238,18 +197,8 @@ struct ath_txq { struct list_head axq_q; spinlock_t axq_lock; u32 axq_depth; - u8 axq_aggr_depth; bool stopped; bool axq_tx_inprogress; - 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; - struct list_head axq_acq; }; @@ -257,30 +206,6 @@ 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; -}; - -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; @@ -291,30 +216,6 @@ struct ath_tx_control { #define ATH_TX_XRETRY 0x02 #define ATH_TX_BAR 0x04 -#define ATH_RSSI_LPF_LEN 10 -#define RSSI_LPF_THRESHOLD -20 -#define ATH9K_RSSI_BAD 0x80 -#define ATH_RSSI_EP_MULTIPLIER (1<<7) -#define ATH_EP_MUL(x, mul) ((x) * (mul)) -#define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER)) -#define ATH_LPF_RSSI(x, y, len) \ - ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y)) -#define ATH_RSSI_LPF(x, y) do { \ - if ((y) >= RSSI_LPF_THRESHOLD) \ - x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \ -} while (0) -#define ATH_EP_RND(x, mul) \ - ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) - -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; - int last_rssi; -}; - struct ath_tx { u16 seq_no; u32 txqsetup; @@ -329,7 +230,6 @@ struct ath_rx { u8 defant; u8 rxotherant; u32 *rxlink; - int bufsize; unsigned int rxfilter; spinlock_t rxflushlock; spinlock_t rxbuflock; @@ -427,9 +327,9 @@ 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 */ @@ -441,14 +341,24 @@ 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; +/* 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 */ + struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ }; /********************/ @@ -484,25 +394,13 @@ struct ath_led { * 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) @@ -522,23 +420,17 @@ struct ath_led { #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17) #define SC_OP_WAIT_FOR_TX_ACK BIT(18) #define SC_OP_BEACON_SYNC BIT(19) -#define SC_OP_BTCOEX_ENABLED BIT(20) #define SC_OP_BT_PRIORITY_DETECTED BIT(21) - -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_NULLFUNC_COMPLETED BIT(22) +#define SC_OP_PS_ENABLED BIT(23) struct ath_wiphy; +struct ath_rate_table; struct ath_softc { struct ieee80211_hw *hw; struct device *dev; - struct ath_common common; - spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */ struct ath_wiphy *pri_wiphy; struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may @@ -565,32 +457,21 @@ struct ath_softc { spinlock_t sc_pm_lock; struct mutex mutex; - u8 curbssid[ETH_ALEN]; - u8 bssidmask[ETH_ALEN]; u32 intrstatus; u32 sc_flags; /* SC_OP_* */ u16 curtxpow; - u16 curaid; u8 nbcnvifs; u16 nvifs; - u8 tx_chainmask; - u8 rx_chainmask; - u32 keymax; - DECLARE_BITMAP(keymap, ATH_KEYMAX); - u8 splitmic; bool ps_enabled; unsigned long ps_usecount; enum ath9k_int imask; - enum ath9k_ht_extprotspacing ht_extprotspacing; - enum ath9k_ht_macmode tx_chan_width; 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; @@ -605,14 +486,12 @@ struct ath_softc { int beacon_interval; - struct ath_ani ani; -#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_info btcoex_info; + struct ath_btcoex btcoex; }; struct ath_wiphy { @@ -625,6 +504,7 @@ struct ath_wiphy { ATH_WIPHY_PAUSED, ATH_WIPHY_SCAN, } state; + bool idle; int chan_idx; int chan_is_ht; }; @@ -634,31 +514,22 @@ 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 struct ath_common *ath9k_hw_common(struct ath_hw *ah) -{ - return &ah->ah_sc->common; -} - -static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah) +static inline void ath_read_cachesize(struct ath_common *common, int *csz) { - return &(ath9k_hw_common(ah)->regulatory); + common->bus_ops->read_cachesize(common, csz); } -static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) +static inline void ath_bus_cleanup(struct ath_common *common) { - sc->bus_ops->read_cachesize(sc, csz); -} - -static inline void ath_bus_cleanup(struct ath_softc *sc) -{ - sc->bus_ops->cleanup(sc); + common->bus_ops->cleanup(common); } extern struct ieee80211_ops ath9k_ops; irqreturn_t ath_isr(int irq, void *dev); void ath_cleanup(struct ath_softc *sc); -int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid); +int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, + const struct ath_bus_ops *bus_ops); void ath_detach(struct ath_softc *sc); const char *ath_mac_bb_name(u32 mac_bb_version); const char *ath_rf_name(u16 rf_version); @@ -668,8 +539,9 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw, 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); #ifdef CONFIG_PCI int ath_pci_init(void); @@ -705,9 +577,10 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, 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 ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val); -unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset); +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); #endif /* ATH9K_H */ |