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path: root/drivers/net/wireless/ath/ath9k/xmit.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c68
1 files changed, 39 insertions, 29 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 0d4155aec48..378bd70256b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -66,8 +66,7 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb,
- bool dequeue);
+ struct sk_buff *skb);
enum {
MCS_HT20,
@@ -176,7 +175,15 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
fi = get_frame_info(skb);
bf = fi->bf;
- if (bf && fi->retries) {
+ if (!bf) {
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+ if (!bf) {
+ ieee80211_free_txskb(sc->hw, skb);
+ continue;
+ }
+ }
+
+ if (fi->retries) {
list_add_tail(&bf->list, &bf_head);
ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
@@ -568,7 +575,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
if (!an->sleeping) {
ath_tx_queue_tid(txq, tid);
- if (ts->ts_status & ATH9K_TXERR_FILT)
+ if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY))
tid->ac->clear_ps_filter = true;
}
}
@@ -785,10 +792,13 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
fi = get_frame_info(skb);
bf = fi->bf;
if (!fi->bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb, true);
+ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
- if (!bf)
+ if (!bf) {
+ __skb_unlink(skb, &tid->buf_q);
+ ieee80211_free_txskb(sc->hw, skb);
continue;
+ }
bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
seqno = bf->bf_state.seqno;
@@ -1731,9 +1741,11 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
return;
}
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
- if (!bf)
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ if (!bf) {
+ ieee80211_free_txskb(sc->hw, skb);
return;
+ }
bf->bf_state.bf_type = BUF_AMPDU;
INIT_LIST_HEAD(&bf_head);
@@ -1757,11 +1769,6 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf;
bf = fi->bf;
- if (!bf)
- bf = ath_tx_setup_buffer(sc, txq, tid, skb, false);
-
- if (!bf)
- return;
INIT_LIST_HEAD(&bf_head);
list_add_tail(&bf->list, &bf_head);
@@ -1773,11 +1780,12 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
TX_STAT_INC(txq->axq_qnum, queued);
}
-static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
+static void setup_frame_info(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
int framelen)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
const struct ieee80211_rate *rate;
@@ -1819,10 +1827,14 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
{
struct ath_hw *ah = sc->sc_ah;
struct ath9k_channel *curchan = ah->curchan;
+
if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) &&
(curchan->channelFlags & CHANNEL_5GHZ) &&
(chainmask == 0x7) && (rate < 0x90))
return 0x3;
+ else if (AR_SREV_9462(ah) && ath9k_hw_btcoex_is_enabled(ah) &&
+ IS_CCK_RATE(rate))
+ return 0x2;
else
return chainmask;
}
@@ -1834,8 +1846,7 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
struct ath_txq *txq,
struct ath_atx_tid *tid,
- struct sk_buff *skb,
- bool dequeue)
+ struct sk_buff *skb)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_frame_info *fi = get_frame_info(skb);
@@ -1847,7 +1858,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
bf = ath_tx_get_buffer(sc);
if (!bf) {
ath_dbg(common, XMIT, "TX buffers are full\n");
- goto error;
+ return NULL;
}
ATH_TXBUF_RESET(bf);
@@ -1876,18 +1887,12 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc,
ath_err(ath9k_hw_common(sc->sc_ah),
"dma_mapping_error() on TX\n");
ath_tx_return_buffer(sc, bf);
- goto error;
+ return NULL;
}
fi->bf = bf;
return bf;
-
-error:
- if (dequeue)
- __skb_unlink(skb, &tid->buf_q);
- dev_kfree_skb_any(skb);
- return NULL;
}
/* FIXME: tx power */
@@ -1916,9 +1921,14 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb,
*/
ath_tx_send_ampdu(sc, tid, skb, txctl);
} else {
- bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false);
- if (!bf)
+ bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb);
+ if (!bf) {
+ if (txctl->paprd)
+ dev_kfree_skb_any(skb);
+ else
+ ieee80211_free_txskb(sc->hw, skb);
return;
+ }
bf->bf_state.bfs_paprd = txctl->paprd;
@@ -1935,7 +1945,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = info->control.sta;
+ struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
struct ath_softc *sc = hw->priv;
struct ath_txq *txq = txctl->txq;
@@ -1979,7 +1989,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
!ieee80211_is_data(hdr->frame_control))
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- setup_frame_info(hw, skb, frmlen);
+ setup_frame_info(hw, sta, skb, frmlen);
/*
* At this point, the vif, hw_key and sta pointers in the tx control
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-28 09:11:06 +0000