mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 22:47:56 +00:00
56 lines
2.0 KiB
Diff
56 lines
2.0 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -784,17 +784,23 @@ static void ath_tx_sched_aggr(struct ath
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status != ATH_AGGR_BAW_CLOSED);
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}
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-void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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- u16 tid, u16 *ssn)
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+int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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+ u16 tid, u16 *ssn)
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{
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struct ath_atx_tid *txtid;
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struct ath_node *an;
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an = (struct ath_node *)sta->drv_priv;
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txtid = ATH_AN_2_TID(an, tid);
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+
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+ if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
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+ return -EAGAIN;
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+
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txtid->state |= AGGR_ADDBA_PROGRESS;
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txtid->paused = true;
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*ssn = txtid->seq_start;
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+
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+ return 0;
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}
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void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
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--- a/drivers/net/wireless/ath/ath9k/ath9k.h
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+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
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@@ -346,8 +346,8 @@ void ath_tx_tasklet(struct ath_softc *sc
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void ath_tx_edma_tasklet(struct ath_softc *sc);
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void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
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bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
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-void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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- u16 tid, u16 *ssn);
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+int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
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+ u16 tid, u16 *ssn);
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void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
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void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
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void ath9k_enable_ps(struct ath_softc *sc);
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--- a/drivers/net/wireless/ath/ath9k/main.c
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+++ b/drivers/net/wireless/ath/ath9k/main.c
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@@ -1968,8 +1968,9 @@ static int ath9k_ampdu_action(struct iee
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break;
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case IEEE80211_AMPDU_TX_START:
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ath9k_ps_wakeup(sc);
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- ath_tx_aggr_start(sc, sta, tid, ssn);
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- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
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+ ret = ath_tx_aggr_start(sc, sta, tid, ssn);
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+ if (!ret)
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+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
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ath9k_ps_restore(sc);
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break;
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case IEEE80211_AMPDU_TX_STOP:
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