diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2013-06-29 12:38:15 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2013-06-29 12:38:15 +0000 |
| commit | afcc48648da36a06f4e6c3f929ab95f53266d5e0 (patch) | |
| tree | 7ac6b55a83c492ac0bb9fb73c8685fc0c5a908a5 /package | |
| parent | e9e6f6e105b3590f82cb16b014fec4af8ea79690 (diff) | |
| download | upstream-afcc48648da36a06f4e6c3f929ab95f53266d5e0.tar.gz upstream-afcc48648da36a06f4e6c3f929ab95f53266d5e0.tar.bz2 upstream-afcc48648da36a06f4e6c3f929ab95f53266d5e0.zip | |
ath9k: fix tx queue pending frame counter when dropping packets
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37081 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package')
| -rw-r--r-- | package/kernel/mac80211/patches/557-ath9k_fix_tx_queue_accounting.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/557-ath9k_fix_tx_queue_accounting.patch b/package/kernel/mac80211/patches/557-ath9k_fix_tx_queue_accounting.patch new file mode 100644 index 0000000000..83dcdceda3 --- /dev/null +++ b/package/kernel/mac80211/patches/557-ath9k_fix_tx_queue_accounting.patch @@ -0,0 +1,95 @@ +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -146,6 +146,28 @@ static void ath_set_rates(struct ieee802 + ARRAY_SIZE(bf->rates)); + } + ++static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, ++ struct sk_buff *skb) ++{ ++ int q; ++ ++ q = skb_get_queue_mapping(skb); ++ if (txq == sc->tx.uapsdq) ++ txq = sc->tx.txq_map[q]; ++ ++ if (txq != sc->tx.txq_map[q]) ++ return; ++ ++ if (WARN_ON(--txq->pending_frames < 0)) ++ txq->pending_frames = 0; ++ ++ if (txq->stopped && ++ txq->pending_frames < sc->tx.txq_max_pending[q]) { ++ ieee80211_wake_queue(sc->hw, q); ++ txq->stopped = false; ++ } ++} ++ + static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) + { + struct ath_txq *txq = tid->ac->txq; +@@ -167,6 +189,7 @@ static void ath_tx_flush_tid(struct ath_ + if (!bf) { + bf = ath_tx_setup_buffer(sc, txq, tid, skb); + if (!bf) { ++ ath_txq_skb_done(sc, txq, skb); + ieee80211_free_txskb(sc->hw, skb); + continue; + } +@@ -811,6 +834,7 @@ ath_tx_get_tid_subframe(struct ath_softc + + if (!bf) { + __skb_unlink(skb, &tid->buf_q); ++ ath_txq_skb_done(sc, txq, skb); + ieee80211_free_txskb(sc->hw, skb); + continue; + } +@@ -1824,6 +1848,7 @@ static void ath_tx_send_ampdu(struct ath + + bf = ath_tx_setup_buffer(sc, txq, tid, skb); + if (!bf) { ++ ath_txq_skb_done(sc, txq, skb); + ieee80211_free_txskb(sc->hw, skb); + return; + } +@@ -2090,6 +2115,7 @@ int ath_tx_start(struct ieee80211_hw *hw + + bf = ath_tx_setup_buffer(sc, txq, tid, skb); + if (!bf) { ++ ath_txq_skb_done(sc, txq, skb); + if (txctl->paprd) + dev_kfree_skb_any(skb); + else +@@ -2189,7 +2215,7 @@ static void ath_tx_complete(struct ath_s + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; +- int q, padpos, padsize; ++ int padpos, padsize; + unsigned long flags; + + ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb); +@@ -2225,21 +2251,7 @@ static void ath_tx_complete(struct ath_s + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); + + __skb_queue_tail(&txq->complete_q, skb); +- +- q = skb_get_queue_mapping(skb); +- if (txq == sc->tx.uapsdq) +- txq = sc->tx.txq_map[q]; +- +- if (txq == sc->tx.txq_map[q]) { +- if (WARN_ON(--txq->pending_frames < 0)) +- txq->pending_frames = 0; +- +- if (txq->stopped && +- txq->pending_frames < sc->tx.txq_max_pending[q]) { +- ieee80211_wake_queue(sc->hw, q); +- txq->stopped = false; +- } +- } ++ ath_txq_skb_done(sc, txq, skb); + } + + static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf, |