diff options
Diffstat (limited to 'package/mac80211/patches/530-ath9k_cleanup_queue_wake.patch')
| -rw-r--r-- | package/mac80211/patches/530-ath9k_cleanup_queue_wake.patch | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/package/mac80211/patches/530-ath9k_cleanup_queue_wake.patch b/package/mac80211/patches/530-ath9k_cleanup_queue_wake.patch new file mode 100644 index 0000000000..0d9511f095 --- /dev/null +++ b/package/mac80211/patches/530-ath9k_cleanup_queue_wake.patch @@ -0,0 +1,118 @@ +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -1208,8 +1208,17 @@ bool ath_drain_all_txq(struct ath_softc + ath_err(common, "Failed to stop TX DMA!\n"); + + for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { +- if (ATH_TXQ_SETUP(sc, i)) +- ath_draintxq(sc, &sc->tx.txq[i], retry_tx); ++ if (!ATH_TXQ_SETUP(sc, i)) ++ continue; ++ ++ /* ++ * The caller will resume queues with ieee80211_wake_queues. ++ * Mark the queue as not stopped to prevent ath_tx_complete ++ * from waking the queue too early. ++ */ ++ txq = &sc->tx.txq[i]; ++ txq->stopped = false; ++ ath_draintxq(sc, txq, retry_tx); + } + + return !npend; +@@ -1873,6 +1882,11 @@ static void ath_tx_complete(struct ath_s + spin_lock_bh(&txq->axq_lock); + if (WARN_ON(--txq->pending_frames < 0)) + txq->pending_frames = 0; ++ ++ if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) { ++ if (ath_mac80211_start_queue(sc, q)) ++ txq->stopped = 0; ++ } + spin_unlock_bh(&txq->axq_lock); + } + +@@ -1982,19 +1996,6 @@ static void ath_tx_rc_status(struct ath_ + tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1; + } + +-static void ath_wake_mac80211_queue(struct ath_softc *sc, int qnum) +-{ +- struct ath_txq *txq; +- +- txq = sc->tx.txq_map[qnum]; +- spin_lock_bh(&txq->axq_lock); +- if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) { +- if (ath_mac80211_start_queue(sc, qnum)) +- txq->stopped = 0; +- } +- spin_unlock_bh(&txq->axq_lock); +-} +- + static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) + { + struct ath_hw *ah = sc->sc_ah; +@@ -2005,7 +2006,6 @@ static void ath_tx_processq(struct ath_s + struct ath_tx_status ts; + int txok; + int status; +- int qnum; + + ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n", + txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum), +@@ -2084,17 +2084,12 @@ static void ath_tx_processq(struct ath_s + ath_tx_rc_status(bf, &ts, 1, txok ? 0 : 1, txok, true); + } + +- qnum = skb_get_queue_mapping(bf->bf_mpdu); +- + if (bf_isampdu(bf)) + ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok, + true); + else + ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0); + +- if (txq == sc->tx.txq_map[qnum]) +- ath_wake_mac80211_queue(sc, qnum); +- + spin_lock_bh(&txq->axq_lock); + if (sc->sc_flags & SC_OP_TXAGGR) + ath_txq_schedule(sc, txq); +@@ -2163,7 +2158,6 @@ void ath_tx_edma_tasklet(struct ath_soft + struct list_head bf_head; + int status; + int txok; +- int qnum; + + for (;;) { + status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs); +@@ -2209,8 +2203,6 @@ void ath_tx_edma_tasklet(struct ath_soft + ath_tx_rc_status(bf, &txs, 1, txok ? 0 : 1, txok, true); + } + +- qnum = skb_get_queue_mapping(bf->bf_mpdu); +- + if (bf_isampdu(bf)) + ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs, + txok, true); +@@ -2218,9 +2210,6 @@ void ath_tx_edma_tasklet(struct ath_soft + ath_tx_complete_buf(sc, bf, txq, &bf_head, + &txs, txok, 0); + +- if (txq == sc->tx.txq_map[qnum]) +- ath_wake_mac80211_queue(sc, qnum); +- + spin_lock_bh(&txq->axq_lock); + if (!list_empty(&txq->txq_fifo_pending)) { + INIT_LIST_HEAD(&bf_head); +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -295,6 +295,8 @@ int ath_set_channel(struct ath_softc *sc + } + + ps_restore: ++ ieee80211_wake_queues(hw); ++ + spin_unlock_bh(&sc->sc_pcu_lock); + + ath9k_ps_restore(sc); |