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