diff options
Diffstat (limited to 'package/kernel/mac80211/patches/301-ath9k-limit-retries-for-powersave-response-frames.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/301-ath9k-limit-retries-for-powersave-response-frames.patch | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/package/kernel/mac80211/patches/301-ath9k-limit-retries-for-powersave-response-frames.patch b/package/kernel/mac80211/patches/301-ath9k-limit-retries-for-powersave-response-frames.patch deleted file mode 100644 index 4faac0d82e..0000000000 --- a/package/kernel/mac80211/patches/301-ath9k-limit-retries-for-powersave-response-frames.patch +++ /dev/null @@ -1,121 +0,0 @@ -From: Felix Fietkau <nbd@openwrt.org> -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 <nbd@openwrt.org> ---- - ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -147,10 +147,25 @@ 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, -@@ -1430,7 +1445,7 @@ ath_tx_form_burst(struct ath_softc *sc, - if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) - break; - -- ath_set_rates(tid->an->vif, tid->an->sta, bf); -+ ath_set_rates(tid->an->vif, tid->an->sta, bf, false); - } while (1); - } - -@@ -1461,7 +1476,7 @@ 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) - last = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf, - tid_q, &aggr_len); -@@ -1653,7 +1668,7 @@ void ath9k_release_buffered_frames(struc - - __skb_unlink(bf->bf_mpdu, tid_q); - 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; -@@ -2318,7 +2333,7 @@ int ath_tx_start(struct ieee80211_hw *hw - struct ath_txq *txq = txctl->txq; - struct ath_atx_tid *tid = NULL; - struct ath_buf *bf; -- bool queue, skip_uapsd = false, ps_resp; -+ bool queue, ps_resp; - int q, ret; - - if (vif) -@@ -2365,13 +2380,13 @@ int ath_tx_start(struct ieee80211_hw *hw - if (!txctl->an) - txctl->an = &avp->mcast_node; - queue = true; -- skip_uapsd = true; -+ ps_resp = false; - } - - if (txctl->an && queue) - tid = ath_get_skb_tid(sc, txctl->an, skb); - -- if (!skip_uapsd && ps_resp) { -+ if (ps_resp) { - ath_txq_unlock(sc, txq); - txq = sc->tx.uapsdq; - ath_txq_lock(sc, txq); -@@ -2409,7 +2424,7 @@ 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: -@@ -2448,7 +2463,7 @@ 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) -@@ -2968,7 +2983,7 @@ 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); |