From cac1a4be66f548735878beccc10dc4b1ec7ad364 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Fri, 22 Jun 2018 09:43:56 +0200 Subject: mac80211: drop 355-ath9k-limit-retries-for-powersave-response-frames.patch several people reported this bug to be causing drop out issues Signed-off-by: John Crispin --- ...mit-retries-for-powersave-response-frames.patch | 96 ---------------------- 1 file changed, 96 deletions(-) delete mode 100644 package/kernel/mac80211/patches/355-ath9k-limit-retries-for-powersave-response-frames.patch (limited to 'package/kernel/mac80211/patches/355-ath9k-limit-retries-for-powersave-response-frames.patch') diff --git a/package/kernel/mac80211/patches/355-ath9k-limit-retries-for-powersave-response-frames.patch b/package/kernel/mac80211/patches/355-ath9k-limit-retries-for-powersave-response-frames.patch deleted file mode 100644 index 31825b819c..0000000000 --- a/package/kernel/mac80211/patches/355-ath9k-limit-retries-for-powersave-response-frames.patch +++ /dev/null @@ -1,96 +0,0 @@ -From: Felix Fietkau -Date: Thu, 2 Jul 2015 15:20:56 +0200 -Subject: [PATCH] ath9k: limit retries for powersave response frames - -In some cases, the channel might be busy enough that an ath9k AP's -response to PS-Poll frames might be too slow and the station has already -gone to sleep. To avoid wasting too much airtime on this, limit the -number of retries on such frames and ensure that no sample rate gets -used. - -Signed-off-by: Felix Fietkau ---- - ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -188,10 +188,25 @@ static void ath_send_bar(struct ath_atx_ - } - - static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta, -- struct ath_buf *bf) -+ struct ath_buf *bf, bool ps) - { -+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(bf->bf_mpdu); -+ -+ if (ps) { -+ /* Clear the first rate to avoid using a sample rate for PS frames */ -+ info->control.rates[0].idx = -1; -+ info->control.rates[0].count = 0; -+ } -+ - ieee80211_get_tx_rates(vif, sta, bf->bf_mpdu, bf->rates, - ARRAY_SIZE(bf->rates)); -+ if (!ps) -+ return; -+ -+ if (bf->rates[0].count > 2) -+ bf->rates[0].count = 2; -+ -+ bf->rates[1].idx = -1; - } - - static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, -@@ -1502,7 +1517,7 @@ ath_tx_form_burst(struct ath_softc *sc, - break; - } - -- ath_set_rates(tid->an->vif, tid->an->sta, bf); -+ ath_set_rates(tid->an->vif, tid->an->sta, bf, false); - } while (1); - } - -@@ -1532,7 +1547,7 @@ static bool ath_tx_sched_aggr(struct ath - return false; - } - -- ath_set_rates(tid->an->vif, tid->an->sta, bf); -+ ath_set_rates(tid->an->vif, tid->an->sta, bf, false); - if (aggr) - aggr_len = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf); - else -@@ -1690,7 +1705,7 @@ void ath9k_release_buffered_frames(struc - break; - - list_add_tail(&bf->list, &bf_q); -- ath_set_rates(tid->an->vif, tid->an->sta, bf); -+ ath_set_rates(tid->an->vif, tid->an->sta, bf, true); - if (bf_isampdu(bf)) { - ath_tx_addto_baw(sc, tid, bf); - bf->bf_state.bf_type &= ~BUF_AGGR; -@@ -2390,7 +2405,7 @@ int ath_tx_start(struct ieee80211_hw *hw - if (txctl->paprd) - bf->bf_state.bfs_paprd_timestamp = jiffies; - -- ath_set_rates(vif, sta, bf); -+ ath_set_rates(vif, sta, bf, ps_resp); - ath_tx_send_normal(sc, txq, tid, skb); - - out: -@@ -2429,7 +2444,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw - break; - - bf->bf_lastbf = bf; -- ath_set_rates(vif, NULL, bf); -+ ath_set_rates(vif, NULL, bf, false); - ath_buf_set_rate(sc, bf, &info, fi->framelen, false); - duration += info.rates[0].PktDuration; - if (bf_tail) -@@ -2946,7 +2961,7 @@ int ath9k_tx99_send(struct ath_softc *sc - return -EINVAL; - } - -- ath_set_rates(sc->tx99_vif, NULL, bf); -+ ath_set_rates(sc->tx99_vif, NULL, bf, false); - - ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, bf->bf_daddr); - ath9k_hw_tx99_start(sc->sc_ah, txctl->txq->axq_qnum); -- cgit v1.2.3