diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath9k/core.h | 275 |
1 files changed, 130 insertions, 145 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 903bd4624c6e..e294c1b8ddb5 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -51,24 +51,24 @@ struct ath_node; /* Macro to expand scalars to 64-bit objects */ -#define ito64(x) (sizeof(x) == 8) ? \ - (((unsigned long long int)(x)) & (0xff)) : \ - (sizeof(x) == 16) ? \ - (((unsigned long long int)(x)) & 0xffff) : \ - ((sizeof(x) == 32) ? \ +#define ito64(x) (sizeof(x) == 8) ? \ + (((unsigned long long int)(x)) & (0xff)) : \ + (sizeof(x) == 16) ? \ + (((unsigned long long int)(x)) & 0xffff) : \ + ((sizeof(x) == 32) ? \ (((unsigned long long int)(x)) & 0xffffffff) : \ - (unsigned long long int)(x)) + (unsigned long long int)(x)) /* increment with wrap-around */ -#define INCR(_l, _sz) do { \ - (_l)++; \ - (_l) &= ((_sz) - 1); \ +#define INCR(_l, _sz) do { \ + (_l)++; \ + (_l) &= ((_sz) - 1); \ } while (0) /* decrement with wrap-around */ -#define DECR(_l, _sz) do { \ - (_l)--; \ - (_l) &= ((_sz) - 1); \ +#define DECR(_l, _sz) do { \ + (_l)--; \ + (_l) &= ((_sz) - 1); \ } while (0) #define A_MAX(a, b) ((a) > (b) ? (a) : (b)) @@ -136,12 +136,11 @@ enum ATH_DEBUG { /* Per-instance load-time (note: NOT run-time) configurations * for Atheros Device */ struct ath_config { - u32 ath_aggr_prot; - u16 txpowlimit; - u16 txpowlimit_override; - u8 cabqReadytime; /* Cabq Readytime % */ - u8 swBeaconProcess; /* Process received beacons - in SW (vs HW) */ + u32 ath_aggr_prot; + u16 txpowlimit; + u16 txpowlimit_override; + u8 cabqReadytime; /* Cabq Readytime % */ + u8 swBeaconProcess; /* Process received beacons in SW (vs HW) */ }; /***********************/ @@ -161,12 +160,12 @@ struct ath_config { #define ATH_CHAINMASK_SEL_DOWN_RSSI_THRES 35 /* Struct to store the chainmask select related info */ struct ath_chainmask_sel { - struct timer_list timer; - int cur_tx_mask; /* user configured or 3x3 */ - int cur_rx_mask; /* user configured or 3x3 */ - int tx_avgrssi; - u8 switch_allowed:1, /* timer will set this */ - cm_sel_enabled:1; + struct timer_list timer; + int cur_tx_mask; /* user configured or 3x3 */ + int cur_rx_mask; /* user configured or 3x3 */ + int tx_avgrssi; + u8 switch_allowed:1, /* timer will set this */ + cm_sel_enabled : 1; }; int ath_chainmask_sel_logic(struct ath_softc *sc, struct ath_node *an); @@ -192,8 +191,8 @@ chains is due to FF aggregation in the driver. */ struct ath_buf_state { int bfs_nframes; /* # frames in aggregate */ - u16 bfs_al; /* length of aggregate */ - u16 bfs_frmlen; /* length of frame */ + u16 bfs_al; /* length of aggregate */ + u16 bfs_frmlen; /* length of frame */ int bfs_seqno; /* sequence number */ int bfs_tidno; /* tid of this frame */ int bfs_retries; /* current retries */ @@ -205,7 +204,7 @@ struct ath_buf_state { u8 bfs_isretried:1; /* is retried */ u8 bfs_isxretried:1; /* is excessive retried */ u8 bfs_shpreamble:1; /* is short preamble */ - u8 bfs_isbar:1; /* is a BAR */ + u8 bfs_isbar:1; /* is a BAR */ u8 bfs_ispspoll:1; /* is a PS-Poll */ u8 bfs_aggrburst:1; /* is a aggr burst */ u8 bfs_calcairtime:1; /* requests airtime be calculated @@ -247,7 +246,7 @@ struct ath_buf { struct list_head list; struct list_head *last; struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or - an aggregate) */ + an aggregate) */ struct ath_buf *bf_lastfrm; /* last buf of this frame */ struct ath_buf *bf_next; /* next subframe in the aggregate */ struct ath_buf *bf_rifslast; /* last buf for RIFS burst */ @@ -257,7 +256,7 @@ struct ath_buf { dma_addr_t bf_daddr; /* physical addr of desc */ dma_addr_t bf_buf_addr; /* physical addr of data buffer */ u32 bf_status; - u16 bf_flags; /* tx descriptor flags */ + u16 bf_flags; /* tx descriptor flags */ struct ath_buf_state bf_state; /* buffer state */ dma_addr_t bf_dmacontext; }; @@ -331,8 +330,8 @@ struct ath_recv_status { int8_t rssictl[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */ int8_t rssiextn[ATH_MAX_ANTENNA]; /* RSSI (noise floor ajusted) */ int8_t abs_rssi; /* absolute RSSI */ - u8 rateieee; /* data rate received (IEEE rate code) */ - u8 ratecode; /* phy rate code */ + u8 rateieee; /* data rate received (IEEE rate code) */ + u8 ratecode; /* phy rate code */ int rateKbps; /* data rate received (Kbps) */ int antenna; /* rx antenna */ int flags; /* status of associated skb */ @@ -351,28 +350,28 @@ struct ath_recv_status { }; struct ath_rxbuf { - struct sk_buff *rx_wbuf; /* buffer */ - unsigned long rx_time; /* system time when received */ - struct ath_recv_status rx_status; /* cached rx status */ + struct sk_buff *rx_wbuf; + unsigned long rx_time; /* system time when received */ + struct ath_recv_status rx_status; /* cached rx status */ }; /* Per-TID aggregate receiver state for a node */ struct ath_arx_tid { - struct ath_node *an; /* parent ath node */ - struct ath_rxbuf *rxbuf; /* re-ordering buffer */ - struct timer_list timer; - spinlock_t tidlock; /* lock to protect this TID structure */ - int baw_head; /* seq_next at head */ - int baw_tail; /* tail of block-ack window */ - int seq_reset; /* need to reset start sequence */ - int addba_exchangecomplete; - u16 seq_next; /* next expected sequence */ - u16 baw_size; /* block-ack window size */ + struct ath_node *an; + struct ath_rxbuf *rxbuf; /* re-ordering buffer */ + struct timer_list timer; + spinlock_t tidlock; + int baw_head; /* seq_next at head */ + int baw_tail; /* tail of block-ack window */ + int seq_reset; /* need to reset start sequence */ + int addba_exchangecomplete; + u16 seq_next; /* next expected sequence */ + u16 baw_size; /* block-ack window size */ }; /* Per-node receiver aggregate state */ struct ath_arx { - struct ath_arx_tid tid[WME_NUM_TID]; + struct ath_arx_tid tid[WME_NUM_TID]; }; int ath_startrecv(struct ath_softc *sc); @@ -444,96 +443,95 @@ enum ATH_SM_PWRSAV{ * hardware queue). */ struct ath_txq { - u32 axq_qnum; /* hardware q number */ - u32 *axq_link; /* link ptr in last TX desc */ - struct list_head axq_q; /* transmit queue */ - spinlock_t axq_lock; /* lock on q and link */ - unsigned long axq_lockflags; /* intr state when must cli */ - u32 axq_depth; /* queue depth */ - u8 axq_aggr_depth; /* aggregates queued */ - u32 axq_totalqueued;/* total ever queued */ - u32 axq_intrcnt; /* count to determine - if descriptor should generate - int on this txq. */ - bool stopped; /* Is mac80211 queue - stopped ? */ - /* State for patching up CTS when bursting */ - struct ath_buf *axq_linkbuf; /* virtual addr of last buffer*/ - struct ath_desc *axq_lastdsWithCTS; /* first desc of the - last descriptor that contains CTS */ - struct ath_desc *axq_gatingds; /* final desc of the gating desc - * that determines whether lastdsWithCTS has - * been DMA'ed or not */ - struct list_head axq_acq; + u32 axq_qnum; /* hardware q number */ + u32 *axq_link; /* link ptr in last TX desc */ + struct list_head axq_q; /* transmit queue */ + spinlock_t axq_lock; + unsigned long axq_lockflags; /* intr state when must cli */ + u32 axq_depth; /* queue depth */ + u8 axq_aggr_depth; /* aggregates queued */ + u32 axq_totalqueued; /* total ever queued */ + + /* count to determine if descriptor should generate int on this txq. */ + u32 axq_intrcnt; + + bool stopped; /* Is mac80211 queue stopped ? */ + struct ath_buf *axq_linkbuf; /* virtual addr of last buffer*/ + + /* 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; }; /* per TID aggregate tx state for a destination */ struct ath_atx_tid { - struct list_head list; /* round-robin tid entry */ - struct list_head buf_q; /* pending buffers */ - struct ath_node *an; /* parent node structure */ - struct ath_atx_ac *ac; /* parent access category */ - struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];/* active tx frames */ - u16 seq_start; /* starting seq of BA window */ - u16 seq_next; /* next seq to be used */ - u16 baw_size; /* BA window size */ - int tidno; /* TID number */ - int baw_head; /* first un-acked tx buffer */ - int baw_tail; /* next unused tx buffer slot */ - int sched; /* TID is scheduled */ - int paused; /* TID is paused */ - int cleanup_inprogress; /* aggr of this TID is - being teared down */ - u32 addba_exchangecomplete:1; /* ADDBA state */ - int32_t addba_exchangeinprogress; - int addba_exchangeattempts; + struct list_head list; /* round-robin tid entry */ + struct list_head buf_q; /* pending buffers */ + struct ath_node *an; + struct ath_atx_ac *ac; + struct ath_buf *tx_buf[ATH_TID_MAX_BUFS]; /* active tx frames */ + 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; + int cleanup_inprogress; + u32 addba_exchangecomplete:1; + int32_t addba_exchangeinprogress; + int addba_exchangeattempts; }; /* per access-category aggregate tx state for a destination */ struct ath_atx_ac { - int sched; /* dest-ac is scheduled */ - int qnum; /* H/W queue number associated - with this AC */ - struct list_head list; /* round-robin txq entry */ - struct list_head tid_q; /* queue of TIDs with buffers */ + int sched; /* dest-ac is scheduled */ + int qnum; /* H/W queue number associated + with this AC */ + struct list_head list; /* round-robin txq entry */ + struct list_head tid_q; /* queue of TIDs with buffers */ }; /* per dest tx state */ struct ath_atx { - struct ath_atx_tid tid[WME_NUM_TID]; - struct ath_atx_ac ac[WME_NUM_AC]; + struct ath_atx_tid tid[WME_NUM_TID]; + struct ath_atx_ac ac[WME_NUM_AC]; }; /* per-frame tx control block */ struct ath_tx_control { - struct ath_node *an; /* destination to sent to */ - int if_id; /* only valid for cab traffic */ - int qnum; /* h/w queue number */ - u32 ht:1; /* if it can be transmitted using HT */ - u32 ps:1; /* if one or more stations are in PS mode */ - u32 use_minrate:1; /* if this frame should transmitted using - minimum rate */ - enum ath9k_pkt_type atype; /* Atheros packet type */ - enum ath9k_key_type keytype; /* key type */ - u32 flags; /* HAL flags */ - u16 seqno; /* sequence number */ - u16 tidno; /* tid number */ - u16 txpower; /* transmit power */ - u16 frmlen; /* frame length */ - u32 keyix; /* key index */ - int min_rate; /* minimum rate */ - int mcast_rate; /* multicast rate */ - u16 nextfraglen; /* next fragment length */ - /* below is set only by ath_dev */ - struct ath_softc *dev; /* device handle */ + struct ath_node *an; + int if_id; + int qnum; + u32 ht:1; + u32 ps:1; + u32 use_minrate:1; + enum ath9k_pkt_type atype; + enum ath9k_key_type keytype; + u32 flags; + u16 seqno; + u16 tidno; + u16 txpower; + u16 frmlen; + u32 keyix; + int min_rate; + int mcast_rate; + u16 nextfraglen; + struct ath_softc *dev; dma_addr_t dmacontext; }; /* per frame tx status block */ struct ath_xmit_status { - int retries; /* number of retries to successufully - transmit this frame */ - int flags; /* status of transmit */ + int retries; /* number of retries to successufully + transmit this frame */ + int flags; /* status of transmit */ #define ATH_TX_ERROR 0x01 #define ATH_TX_XRETRY 0x02 #define ATH_TX_BAR 0x04 @@ -647,20 +645,20 @@ struct aggr_rifs_param { /* Per-node aggregation state */ struct ath_node_aggr { - struct ath_atx tx; /* node transmit state */ - struct ath_arx rx; /* node receive state */ + struct ath_atx tx; /* node transmit state */ + struct ath_arx rx; /* node receive state */ }; /* driver-specific node state */ struct ath_node { - struct list_head list; - struct ath_softc *an_sc; /* back pointer */ - atomic_t an_refcnt; + struct list_head list; + struct ath_softc *an_sc; + atomic_t an_refcnt; struct ath_chainmask_sel an_chainmask_sel; - struct ath_node_aggr an_aggr; /* A-MPDU aggregation state */ - u8 an_smmode; /* SM Power save mode */ - u8 an_flags; - u8 an_addr[ETH_ALEN]; + struct ath_node_aggr an_aggr; + u8 an_smmode; /* SM Power save mode */ + u8 an_flags; + u8 an_addr[ETH_ALEN]; }; void ath_tx_resume_tid(struct ath_softc *sc, @@ -754,15 +752,6 @@ int ath_update_beacon(struct ath_softc *sc, /* VAPs */ /********/ -#define ATH_IF_HW_OFF 0x0001 /* hardware state needs to turn off */ -#define ATH_IF_HW_ON 0x0002 /* hardware state needs to turn on */ -/* STA only: the associated AP is HT capable */ -#define ATH_IF_HT 0x0004 -/* AP/IBSS only: current BSS has privacy on */ -#define ATH_IF_PRIVACY 0x0008 -#define ATH_IF_BEACON_ENABLE 0x0010 /* AP/IBSS only: enable beacon */ -#define ATH_IF_BEACON_SYNC 0x0020 /* IBSS only: need to sync beacon */ - /* * Define the scheme that we select MAC address for multiple * BSS on the same radio. The very first VAP will just use the MAC @@ -782,19 +771,15 @@ struct ath_vap_config { /* driver-specific vap state */ struct ath_vap { - struct ieee80211_vif *av_if_data; /* interface(vap) - instance from 802.11 protocal layer */ - enum ath9k_opmode av_opmode; /* VAP operational mode */ - struct ath_buf *av_bcbuf; /* beacon buffer */ - struct ath_beacon_offset av_boff; /* dynamic update state */ - struct ath_tx_control av_btxctl; /* tx control information - for beacon */ - int av_bslot; /* beacon slot index */ - struct ath_txq av_mcastq; /* multicast - transmit queue */ - struct ath_vap_config av_config; /* vap configuration - parameters from 802.11 protocol layer*/ - struct ath_rate_node *rc_node; + struct ieee80211_vif *av_if_data; + enum ath9k_opmode av_opmode; /* VAP operational mode */ + struct ath_buf *av_bcbuf; /* beacon buffer */ + struct ath_beacon_offset av_boff; /* dynamic update state */ + struct ath_tx_control av_btxctl; /* txctl information for beacon */ + int av_bslot; /* beacon slot index */ + struct ath_txq av_mcastq; /* multicast transmit queue */ + struct ath_vap_config av_config;/* vap configuration parameters*/ + struct ath_rate_node *rc_node; }; int ath_vap_attach(struct ath_softc *sc, |