/* 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))
/* 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) */
};
/***********************/
#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);
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 */
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
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 */
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;
};
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 */
};
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);
* 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
/* 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,
/* 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
/* 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,
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