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mac80211: Add a new event in ieee80211_ampdu_mlme_action

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Send a notification to the driver on succesful
reception of an ADDBA response, add IEEE80211_AMPDU_TX_RESUME
for this purpose.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2008-10-29 10:19:28 +05:30 committed by John W. Linville
parent dca3edb88e
commit 8469cdef1f
5 changed files with 34 additions and 1 deletions
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1
drivers/net/wireless/ath9k/core.h
View File

@ -581,6 +581,7 @@ void ath_tx_aggr_teardown(struct ath_softc *sc,
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_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_newassoc(struct ath_softc *sc,
struct ath_node *node, int isnew, int isuapsd);
void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta);

3
drivers/net/wireless/ath9k/main.c
View File

@ -1482,6 +1482,9 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_RESUME:
ath_tx_aggr_resume(sc, sta, tid);
break;
default:
DPRINTF(sc, ATH_DBG_FATAL,
"%s: Unknown AMPDU action\n", __func__);

19
drivers/net/wireless/ath9k/xmit.c
View File

@ -2371,6 +2371,25 @@ int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
return 0;
}
/* Resume tx aggregation */
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
{
struct ath_atx_tid *txtid;
struct ath_node *an;
an = (struct ath_node *)sta->drv_priv;
if (sc->sc_flags & SC_OP_TXAGGR) {
txtid = ATH_AN_2_TID(an, tid);
txtid->baw_size =
IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
txtid->state |= AGGR_ADDBA_COMPLETE;
txtid->state &= ~AGGR_ADDBA_PROGRESS;
ath_tx_resume_tid(sc, txtid);
}
}
/*
* Performs transmit side cleanup when TID changes from aggregated to
* unaggregated.

2
include/net/mac80211.h
View File

@ -1127,12 +1127,14 @@ enum ieee80211_filter_flags {
* @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation
* @IEEE80211_AMPDU_TX_START: start Tx aggregation
* @IEEE80211_AMPDU_TX_STOP: stop Tx aggregation
* @IEEE80211_AMPDU_TX_RESUME: resume TX aggregation
*/
enum ieee80211_ampdu_mlme_action {
IEEE80211_AMPDU_RX_START,
IEEE80211_AMPDU_RX_STOP,
IEEE80211_AMPDU_TX_START,
IEEE80211_AMPDU_TX_STOP,
IEEE80211_AMPDU_TX_RESUME,
};
/**

10
net/mac80211/ht.c
View File

@ -987,7 +987,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
{
struct ieee80211_hw *hw = &local->hw;
u16 capab;
u16 tid;
u16 tid, start_seq_num;
u8 *state;
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
@ -1024,6 +1024,14 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
local->hw.ampdu_queues)
ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
if (local->ops->ampdu_action) {
(void)local->ops->ampdu_action(hw,
IEEE80211_AMPDU_TX_RESUME,
&sta->sta, tid, &start_seq_num);
}
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Resuming TX aggregation for tid %d\n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
spin_unlock_bh(&sta->lock);
} else {
sta->ampdu_mlme.addba_req_num[tid]++;