diff options
Diffstat (limited to 'sys/dev/ath/if_ath_tx.h')
| -rw-r--r-- | sys/dev/ath/if_ath_tx.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sys/dev/ath/if_ath_tx.h b/sys/dev/ath/if_ath_tx.h index c66f61b..958acf9 100644 --- a/sys/dev/ath/if_ath_tx.h +++ b/sys/dev/ath/if_ath_tx.h @@ -32,6 +32,18 @@ #define __IF_ATH_TX_H__ /* + * some general macros + */ +#define INCR(_l, _sz) (_l) ++; (_l) &= ((_sz) - 1) +/* + * return block-ack bitmap index given sequence and starting sequence + */ +#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_RANGE - 1)) + +#define WME_BA_BMP_SIZE 64 +#define WME_MAX_BA WME_BA_BMP_SIZE + +/* * How 'busy' to try and keep the hardware txq */ #define ATH_AGGR_MIN_QDEPTH 2 @@ -49,7 +61,28 @@ #define ATH_AGGR_SCHED_HIGH 4 #define ATH_AGGR_SCHED_LOW 2 +/* + * return whether a bit at index _n in bitmap _bm is set + * _sz is the size of the bitmap + */ +#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ + ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) + + +/* extracting the seqno from buffer seqno */ +#define SEQNO(_a) ((_a) >> IEEE80211_SEQ_SEQ_SHIFT) + +/* + * Whether the current sequence number is within the + * BAW. + */ +#define BAW_WITHIN(_start, _bawsz, _seqno) \ + ((((_seqno) - (_start)) & 4095) < (_bawsz)) + +extern void ath_txq_restart_dma(struct ath_softc *sc, struct ath_txq *txq); extern void ath_freetx(struct mbuf *m); +extern void ath_tx_node_flush(struct ath_softc *sc, struct ath_node *an); +extern void ath_tx_txq_drain(struct ath_softc *sc, struct ath_txq *txq); extern void ath_txfrag_cleanup(struct ath_softc *sc, ath_bufhead *frags, struct ieee80211_node *ni); extern int ath_txfrag_setup(struct ath_softc *sc, ath_bufhead *frags, @@ -59,4 +92,36 @@ extern int ath_tx_start(struct ath_softc *sc, struct ieee80211_node *ni, extern int ath_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params); +/* software queue stuff */ +extern void ath_tx_swq(struct ath_softc *sc, struct ieee80211_node *ni, + struct ath_txq *txq, struct ath_buf *bf); +extern void ath_tx_tid_init(struct ath_softc *sc, struct ath_node *an); +extern void ath_tx_tid_hw_queue_aggr(struct ath_softc *sc, struct ath_node *an, + struct ath_tid *tid); +extern void ath_tx_tid_hw_queue_norm(struct ath_softc *sc, struct ath_node *an, + struct ath_tid *tid); +extern void ath_txq_sched(struct ath_softc *sc, struct ath_txq *txq); +extern void ath_tx_normal_comp(struct ath_softc *sc, struct ath_buf *bf, + int fail); +extern void ath_tx_aggr_comp(struct ath_softc *sc, struct ath_buf *bf, + int fail); +extern void ath_tx_addto_baw(struct ath_softc *sc, struct ath_node *an, + struct ath_tid *tid, struct ath_buf *bf); +extern struct ieee80211_tx_ampdu * ath_tx_get_tx_tid(struct ath_node *an, + int tid); + +/* TX addba handling */ +extern int ath_addba_request(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap, int dialogtoken, + int baparamset, int batimeout); +extern int ath_addba_response(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap, int dialogtoken, + int code, int batimeout); +extern void ath_addba_stop(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap); +extern void ath_bar_response(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap, int status); +extern void ath_addba_response_timeout(struct ieee80211_node *ni, + struct ieee80211_tx_ampdu *tap); + #endif |
