spinlock_t txbuflock;
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -1732,6 +1732,10 @@ int ath9k_init_debug(struct ath_hw *ah)
- sc, &fops_wiphy);
+@@ -1674,6 +1674,10 @@ int ath9k_init_debug(struct ath_hw *ah)
+ &fops_interrupt);
debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
&fops_xmit);
+ debugfs_create_u32("qlen_single", S_IRUSR | S_IWUSR,
while (bf) {
u16 seqno = bf->bf_state.seqno;
-@@ -885,6 +895,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+@@ -884,6 +894,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
ath_tx_addto_baw(sc, tid, seqno);
bf->bf_state.ndelim = ndelim;
__skb_unlink(skb, &tid->buf_q);
list_add_tail(&bf->list, bf_q);
if (bf_prev)
-@@ -1740,6 +1751,8 @@ static void ath_tx_send_ampdu(struct ath
+@@ -1739,6 +1750,8 @@ 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;
-@@ -1864,22 +1877,11 @@ error:
+@@ -1863,22 +1876,11 @@ 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) {
/*
-@@ -1911,6 +1913,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1910,6 +1912,7 @@ 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;
-@@ -1953,6 +1956,24 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1952,6 +1955,24 @@ 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* info are no longer valid (overwritten by the ath_frame_info data.
-@@ -1967,7 +1988,7 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -1966,7 +1987,7 @@ int ath_tx_start(struct ieee80211_hw *hw
txq->stopped = true;
}