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| author | Felix Fietkau <nbd@openwrt.org> | 2011-02-08 23:35:20 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-02-08 23:35:20 +0000 |
| commit | 6ff025f306fbf2cf73e1b711b3da826886fa8b6b (patch) | |
| tree | 8123d5f92d0d8afe859df0d56fccdb09c1257431 | |
| parent | 6440c49e286bc0abc1bb9fc9729155d595b00d8b (diff) | |
| download | upstream-6ff025f306fbf2cf73e1b711b3da826886fa8b6b.tar.gz upstream-6ff025f306fbf2cf73e1b711b3da826886fa8b6b.tar.bz2 upstream-6ff025f306fbf2cf73e1b711b3da826886fa8b6b.zip | |
ath9k: improve the power save fix by closing another remaining race condition for setting the TIM bit
SVN-Revision: 25428
| -rw-r--r-- | package/mac80211/patches/531-ath9k_fix_ap_ps_buffering.patch | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/package/mac80211/patches/531-ath9k_fix_ap_ps_buffering.patch b/package/mac80211/patches/531-ath9k_fix_ap_ps_buffering.patch index 7a9d9eaa0c..b22bc868dd 100644 --- a/package/mac80211/patches/531-ath9k_fix_ap_ps_buffering.patch +++ b/package/mac80211/patches/531-ath9k_fix_ap_ps_buffering.patch @@ -96,16 +96,20 @@ if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) { if (bf->bf_next == NULL && bf_last->bf_stale) { struct ath_buf *tbf; -@@ -547,6 +553,8 @@ static void ath_tx_complete_aggr(struct +@@ -546,7 +552,12 @@ static void ath_tx_complete_aggr(struct + /* prepend un-acked frames to the beginning of the pending frame queue */ if (!list_empty(&bf_pending)) { ++ if (an->sleeping) ++ ieee80211_sta_set_tim(sta); ++ spin_lock_bh(&txq->axq_lock); + if (clear_filter) + tid->ac->clear_ps_filter = true; list_splice(&bf_pending, &tid->buf_q); ath_tx_queue_tid(txq, tid); spin_unlock_bh(&txq->axq_lock); -@@ -816,6 +824,11 @@ static void ath_tx_sched_aggr(struct ath +@@ -816,6 +827,11 @@ static void ath_tx_sched_aggr(struct ath bf = list_first_entry(&bf_q, struct ath_buf, list); bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list); @@ -117,7 +121,7 @@ /* if only one frame, send as non-aggregate */ if (bf == bf->bf_lastbf) { fi = get_frame_info(bf->bf_mpdu); -@@ -896,6 +909,67 @@ void ath_tx_aggr_stop(struct ath_softc * +@@ -896,6 +912,67 @@ void ath_tx_aggr_stop(struct ath_softc * ath_tx_flush_tid(sc, txtid); } @@ -185,7 +189,7 @@ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid) { struct ath_atx_tid *txtid; -@@ -1492,7 +1566,6 @@ static int setup_tx_flags(struct sk_buff +@@ -1492,7 +1569,6 @@ static int setup_tx_flags(struct sk_buff struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); int flags = 0; @@ -193,7 +197,7 @@ flags |= ATH9K_TXDESC_INTREQ; if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK) -@@ -1755,6 +1828,9 @@ static void ath_tx_start_dma(struct ath_ +@@ -1755,6 +1831,9 @@ static void ath_tx_start_dma(struct ath_ if (txctl->paprd) bf->bf_state.bfs_paprd_timestamp = jiffies; |