diff options
Diffstat (limited to 'package/mac80211/patches/522-ath9k_aggr_flush.patch')
| -rw-r--r-- | package/mac80211/patches/522-ath9k_aggr_flush.patch | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/package/mac80211/patches/522-ath9k_aggr_flush.patch b/package/mac80211/patches/522-ath9k_aggr_flush.patch deleted file mode 100644 index 6fdd42f8f2..0000000000 --- a/package/mac80211/patches/522-ath9k_aggr_flush.patch +++ /dev/null @@ -1,131 +0,0 @@ ---- a/drivers/net/wireless/ath/ath9k/xmit.c -+++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -61,6 +61,8 @@ static int ath_tx_num_badfrms(struct ath - struct ath_tx_status *ts, int txok); - static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts, - int nbad, int txok, bool update_rc); -+static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, -+ int seqno); - - enum { - MCS_HT20, -@@ -144,18 +146,23 @@ static void ath_tx_flush_tid(struct ath_ - struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum]; - struct ath_buf *bf; - struct list_head bf_head; -- INIT_LIST_HEAD(&bf_head); -+ struct ath_tx_status ts; - -- WARN_ON(!tid->paused); -+ INIT_LIST_HEAD(&bf_head); - -+ memset(&ts, 0, sizeof(ts)); - spin_lock_bh(&txq->axq_lock); -- tid->paused = false; - - while (!list_empty(&tid->buf_q)) { - bf = list_first_entry(&tid->buf_q, struct ath_buf, list); -- BUG_ON(bf_isretried(bf)); - list_move_tail(&bf->list, &bf_head); -- ath_tx_send_ht_normal(sc, txq, tid, &bf_head); -+ -+ if (bf_isretried(bf)) { -+ ath_tx_update_baw(sc, tid, bf->bf_seqno); -+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); -+ } else { -+ ath_tx_send_ht_normal(sc, txq, tid, &bf_head); -+ } - } - - spin_unlock_bh(&txq->axq_lock); -@@ -430,7 +437,7 @@ static void ath_tx_complete_aggr(struct - list_move_tail(&bf->list, &bf_head); - } - -- if (!txpending) { -+ if (!txpending || (tid->state & AGGR_CLEANUP)) { - /* - * complete the acked-ones/xretried ones; update - * block-ack window -@@ -451,6 +458,7 @@ static void ath_tx_complete_aggr(struct - !txfail, sendbar); - } else { - /* retry the un-acked ones */ -+ - if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)) { - if (bf->bf_next == NULL && bf_last->bf_stale) { - struct ath_buf *tbf; -@@ -509,15 +517,12 @@ static void ath_tx_complete_aggr(struct - } - - if (tid->state & AGGR_CLEANUP) { -+ ath_tx_flush_tid(sc, tid); -+ - if (tid->baw_head == tid->baw_tail) { - tid->state &= ~AGGR_ADDBA_COMPLETE; - tid->state &= ~AGGR_CLEANUP; -- -- /* send buffered frames as singles */ -- ath_tx_flush_tid(sc, tid); - } -- rcu_read_unlock(); -- return; - } - - rcu_read_unlock(); -@@ -808,12 +813,6 @@ void ath_tx_aggr_stop(struct ath_softc * - struct ath_node *an = (struct ath_node *)sta->drv_priv; - struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid); - struct ath_txq *txq = &sc->tx.txq[txtid->ac->qnum]; -- struct ath_tx_status ts; -- struct ath_buf *bf; -- struct list_head bf_head; -- -- memset(&ts, 0, sizeof(ts)); -- INIT_LIST_HEAD(&bf_head); - - if (txtid->state & AGGR_CLEANUP) - return; -@@ -823,31 +822,22 @@ void ath_tx_aggr_stop(struct ath_softc * - return; - } - -- /* drop all software retried frames and mark this TID */ - spin_lock_bh(&txq->axq_lock); - txtid->paused = true; -- while (!list_empty(&txtid->buf_q)) { -- bf = list_first_entry(&txtid->buf_q, struct ath_buf, list); -- if (!bf_isretried(bf)) { -- /* -- * NB: it's based on the assumption that -- * software retried frame will always stay -- * at the head of software queue. -- */ -- break; -- } -- list_move_tail(&bf->list, &bf_head); -- ath_tx_update_baw(sc, txtid, bf->bf_seqno); -- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0); -- } -- spin_unlock_bh(&txq->axq_lock); - -- if (txtid->baw_head != txtid->baw_tail) { -+ /* -+ * If frames are still being transmitted for this TID, they will be -+ * cleaned up during tx completion. To prevent race conditions, this -+ * TID can only be reused after all in-progress subframes have been -+ * completed. -+ */ -+ if (txtid->baw_head != txtid->baw_tail) - txtid->state |= AGGR_CLEANUP; -- } else { -+ else - txtid->state &= ~AGGR_ADDBA_COMPLETE; -- ath_tx_flush_tid(sc, txtid); -- } -+ spin_unlock_bh(&txq->axq_lock); -+ -+ ath_tx_flush_tid(sc, txtid); - } - - void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid) |