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ath9k: add a missing dma cache sync on aggregation software retry
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28132 3c298f89-4303-0410-b956-a3cf2f4a3e73
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6d8d46d3c6
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22d1073f1c
19
package/mac80211/patches/546-ath9k_retry_cache_sync.patch
Normal file
19
package/mac80211/patches/546-ath9k_retry_cache_sync.patch
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@ -0,0 +1,19 @@
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -263,6 +263,7 @@ static void ath_tx_set_retry(struct ath_
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struct sk_buff *skb)
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{
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struct ath_frame_info *fi = get_frame_info(skb);
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+ struct ath_buf *bf = fi->bf;
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struct ieee80211_hdr *hdr;
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TX_STAT_INC(txq->axq_qnum, a_retries);
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@@ -271,6 +272,8 @@ static void ath_tx_set_retry(struct ath_
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hdr = (struct ieee80211_hdr *)skb->data;
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hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_RETRY);
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+ dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
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+ sizeof(*hdr), DMA_TO_DEVICE);
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}
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static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc)
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@ -33,7 +33,7 @@
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debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -348,6 +348,14 @@ static void ath_tx_count_frames(struct a
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@@ -351,6 +351,14 @@ static void ath_tx_count_frames(struct a
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}
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}
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@ -48,7 +48,7 @@
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static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
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struct ath_buf *bf, struct list_head *bf_q,
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@@ -438,6 +446,8 @@ static void ath_tx_complete_aggr(struct
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@@ -441,6 +449,8 @@ static void ath_tx_complete_aggr(struct
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__skb_queue_head_init(&bf_pending);
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ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad);
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@ -57,7 +57,7 @@
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while (bf) {
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u16 seqno = bf->bf_state.seqno;
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@@ -836,6 +846,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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@@ -839,6 +849,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
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ath_tx_addto_baw(sc, tid, seqno);
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ath9k_hw_set11n_aggr_middle(sc->sc_ah, bf->bf_desc, ndelim);
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@ -65,7 +65,7 @@
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__skb_unlink(skb, &tid->buf_q);
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list_add_tail(&bf->list, bf_q);
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if (bf_prev) {
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@@ -1491,6 +1502,8 @@ static void ath_tx_send_ampdu(struct ath
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@@ -1494,6 +1505,8 @@ static void ath_tx_send_ampdu(struct ath
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/* Add sub-frame to BAW */
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ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
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@ -74,7 +74,7 @@
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/* Queue to h/w without aggregation */
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TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
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bf->bf_lastbf = bf;
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@@ -1819,23 +1832,13 @@ error:
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@@ -1822,23 +1835,13 @@ error:
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/* FIXME: tx power */
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static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
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@ -100,7 +100,7 @@
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if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
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/*
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@@ -1877,6 +1880,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -1880,6 +1883,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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struct ieee80211_vif *vif = info->control.vif;
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struct ath_softc *sc = hw->priv;
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struct ath_txq *txq = txctl->txq;
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@ -108,7 +108,7 @@
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int padpos, padsize;
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int frmlen = skb->len + FCS_LEN;
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int q;
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@@ -1909,6 +1913,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -1912,6 +1916,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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skb_push(skb, padsize);
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memmove(skb->data, skb->data + padsize, padpos);
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@ -116,7 +116,7 @@
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}
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if ((vif && vif->type != NL80211_IFTYPE_AP &&
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@@ -1918,6 +1923,24 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -1921,6 +1926,24 @@ int ath_tx_start(struct ieee80211_hw *hw
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setup_frame_info(hw, skb, frmlen);
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@ -141,7 +141,7 @@
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/*
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* At this point, the vif, hw_key and sta pointers in the tx control
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* info are no longer valid (overwritten by the ath_frame_info data.
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@@ -1932,7 +1955,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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@@ -1935,7 +1958,7 @@ int ath_tx_start(struct ieee80211_hw *hw
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}
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spin_unlock_bh(&txq->axq_lock);
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@ -1,6 +1,6 @@
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -260,13 +260,16 @@ static void ath_tid_drain(struct ath_sof
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@@ -260,14 +260,17 @@ static void ath_tid_drain(struct ath_sof
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}
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static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
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@ -8,6 +8,7 @@
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+ struct sk_buff *skb, int count)
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{
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struct ath_frame_info *fi = get_frame_info(skb);
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struct ath_buf *bf = fi->bf;
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struct ieee80211_hdr *hdr;
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+ int prev = fi->retries;
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@ -19,7 +20,7 @@
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return;
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hdr = (struct ieee80211_hdr *)skb->data;
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@@ -380,6 +383,7 @@ static void ath_tx_complete_aggr(struct
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@@ -383,6 +386,7 @@ static void ath_tx_complete_aggr(struct
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int nframes;
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u8 tidno;
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bool clear_filter;
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@ -27,7 +28,7 @@
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skb = bf->bf_mpdu;
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hdr = (struct ieee80211_hdr *)skb->data;
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@@ -388,6 +392,10 @@ static void ath_tx_complete_aggr(struct
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@@ -391,6 +395,10 @@ static void ath_tx_complete_aggr(struct
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memcpy(rates, tx_info->control.rates, sizeof(rates));
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@ -38,7 +39,7 @@
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rcu_read_lock();
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sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr1, hdr->addr2);
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@@ -475,7 +483,8 @@ static void ath_tx_complete_aggr(struct
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@@ -478,7 +486,8 @@ static void ath_tx_complete_aggr(struct
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} else if (fi->retries < ATH_MAX_SW_RETRIES) {
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if (!(ts->ts_status & ATH9K_TXERR_FILT) ||
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!an->sleeping)
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@ -90,7 +90,7 @@
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -1657,7 +1657,7 @@ u8 ath_txchainmask_reduction(struct ath_
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@@ -1660,7 +1660,7 @@ u8 ath_txchainmask_reduction(struct ath_
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static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
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{
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@ -99,7 +99,7 @@
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struct ath9k_11n_rate_series series[4];
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struct sk_buff *skb;
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struct ieee80211_tx_info *tx_info;
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@@ -1717,7 +1717,7 @@ static void ath_buf_set_rate(struct ath_
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@@ -1720,7 +1720,7 @@ static void ath_buf_set_rate(struct ath_
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/* MCS rates */
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series[i].Rate = rix | 0x80;
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series[i].ChSel = ath_txchainmask_reduction(sc,
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@ -108,7 +108,7 @@
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series[i].PktDuration = ath_pkt_duration(sc, rix, len,
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is_40, is_sgi, is_sp);
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if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
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@@ -1742,10 +1742,10 @@ static void ath_buf_set_rate(struct ath_
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@@ -1745,10 +1745,10 @@ static void ath_buf_set_rate(struct ath_
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}
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if (bf->bf_state.bfs_paprd)
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@ -246,7 +246,7 @@
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/**********************/
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -600,8 +600,10 @@ static void ath_tx_complete_aggr(struct
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@@ -603,8 +603,10 @@ static void ath_tx_complete_aggr(struct
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rcu_read_unlock();
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@ -259,7 +259,7 @@
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}
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static bool ath_lookup_legacy(struct ath_buf *bf)
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@@ -2181,6 +2183,9 @@ static void ath_tx_processq(struct ath_s
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@@ -2184,6 +2186,9 @@ static void ath_tx_processq(struct ath_s
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spin_lock_bh(&txq->axq_lock);
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for (;;) {
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@ -269,7 +269,7 @@
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if (list_empty(&txq->axq_q)) {
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txq->axq_link = NULL;
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if (sc->sc_flags & SC_OP_TXAGGR)
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@@ -2268,9 +2273,7 @@ static void ath_tx_complete_poll_work(st
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@@ -2271,9 +2276,7 @@ static void ath_tx_complete_poll_work(st
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if (needreset) {
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ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_RESET,
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"tx hung, resetting the chip\n");
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@ -280,7 +280,7 @@
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}
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ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
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@@ -2303,6 +2306,9 @@ void ath_tx_edma_tasklet(struct ath_soft
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@@ -2306,6 +2309,9 @@ void ath_tx_edma_tasklet(struct ath_soft
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int status;
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for (;;) {
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