ath9k: add another minor tx path fix

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37985
This commit is contained in:
Felix Fietkau 2013-09-14 15:30:13 +00:00
parent 28eceb0343
commit 7a704be4bb

View file

@ -1212,7 +1212,15 @@
}
rcu_read_unlock();
@@ -1792,57 +1956,6 @@ static void ath_tx_txqaddbuf(struct ath_
@@ -1787,62 +1951,13 @@ static void ath_tx_txqaddbuf(struct ath_
if (bf_is_ampdu_not_probing(bf))
txq->axq_ampdu_depth++;
- bf = bf->bf_lastbf->bf_next;
+ bf_last = bf->bf_lastbf;
+ bf = bf_last->bf_next;
+ bf_last->bf_next = NULL;
}
}
}
@ -1270,7 +1278,7 @@
static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
struct ath_atx_tid *tid, struct sk_buff *skb)
{
@@ -1985,6 +2098,7 @@ static int ath_tx_prepare(struct ieee802
@@ -1985,6 +2100,7 @@ static int ath_tx_prepare(struct ieee802
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
@ -1278,7 +1286,7 @@
struct ath_softc *sc = hw->priv;
int frmlen = skb->len + FCS_LEN;
int padpos, padsize;
@@ -1992,6 +2106,10 @@ static int ath_tx_prepare(struct ieee802
@@ -1992,6 +2108,10 @@ static int ath_tx_prepare(struct ieee802
/* NOTE: sta can be NULL according to net/mac80211.h */
if (sta)
txctl->an = (struct ath_node *)sta->drv_priv;
@ -1289,7 +1297,7 @@
if (info->control.hw_key)
frmlen += info->control.hw_key->icv_len;
@@ -2041,7 +2159,6 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -2041,7 +2161,6 @@ int ath_tx_start(struct ieee80211_hw *hw
struct ath_txq *txq = txctl->txq;
struct ath_atx_tid *tid = NULL;
struct ath_buf *bf;
@ -1297,7 +1305,7 @@
int q;
int ret;
@@ -2069,27 +2186,31 @@ int ath_tx_start(struct ieee80211_hw *hw
@@ -2069,27 +2188,31 @@ int ath_tx_start(struct ieee80211_hw *hw
ath_txq_unlock(sc, txq);
txq = sc->tx.uapsdq;
ath_txq_lock(sc, txq);
@ -1340,7 +1348,7 @@
if (txctl->paprd)
dev_kfree_skb_any(skb);
else
@@ -2142,7 +2263,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
@@ -2142,7 +2265,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
bf->bf_lastbf = bf;
ath_set_rates(vif, NULL, bf);
@ -1349,7 +1357,7 @@
duration += info.rates[0].PktDuration;
if (bf_tail)
bf_tail->bf_next = bf;
@@ -2189,7 +2310,7 @@ static void ath_tx_complete(struct ath_s
@@ -2189,7 +2312,7 @@ static void ath_tx_complete(struct ath_s
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
@ -1358,7 +1366,7 @@
unsigned long flags;
ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
@@ -2225,21 +2346,7 @@ static void ath_tx_complete(struct ath_s
@@ -2225,21 +2348,7 @@ static void ath_tx_complete(struct ath_s
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
__skb_queue_tail(&txq->complete_q, skb);
@ -1381,7 +1389,7 @@
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -2360,8 +2467,7 @@ static void ath_tx_processq(struct ath_s
@@ -2360,8 +2469,7 @@ static void ath_tx_processq(struct ath_s
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
@ -1391,7 +1399,7 @@
break;
}
bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
@@ -2375,7 +2481,7 @@ static void ath_tx_processq(struct ath_s
@@ -2375,7 +2483,7 @@ static void ath_tx_processq(struct ath_s
* it with the STALE flag.
*/
bf_held = NULL;
@ -1400,7 +1408,7 @@
bf_held = bf;
if (list_is_last(&bf_held->list, &txq->axq_q))
break;
@@ -2399,7 +2505,7 @@ static void ath_tx_processq(struct ath_s
@@ -2399,7 +2507,7 @@ static void ath_tx_processq(struct ath_s
* however leave the last descriptor back as the holding
* descriptor for hw.
*/
@ -1409,7 +1417,7 @@
INIT_LIST_HEAD(&bf_head);
if (!list_is_singular(&lastbf->list))
list_cut_position(&bf_head,
@@ -2470,7 +2576,7 @@ void ath_tx_edma_tasklet(struct ath_soft
@@ -2470,7 +2578,7 @@ void ath_tx_edma_tasklet(struct ath_soft
}
bf = list_first_entry(fifo_list, struct ath_buf, list);
@ -1418,7 +1426,7 @@
list_del(&bf->list);
ath_tx_return_buffer(sc, bf);
bf = list_first_entry(fifo_list, struct ath_buf, list);
@@ -2492,7 +2598,7 @@ void ath_tx_edma_tasklet(struct ath_soft
@@ -2492,7 +2600,7 @@ void ath_tx_edma_tasklet(struct ath_soft
ath_tx_txqaddbuf(sc, txq, &bf_q, true);
}
} else {
@ -1427,7 +1435,7 @@
if (bf != lastbf)
list_cut_position(&bf_head, fifo_list,
lastbf->list.prev);
@@ -2583,6 +2689,7 @@ void ath_tx_node_init(struct ath_softc *
@@ -2583,6 +2691,7 @@ void ath_tx_node_init(struct ath_softc *
tid->paused = false;
tid->active = false;
__skb_queue_head_init(&tid->buf_q);
@ -1435,7 +1443,7 @@
acno = TID_TO_WME_AC(tidno);
tid->ac = &an->ac[acno];
}
@@ -2590,6 +2697,7 @@ void ath_tx_node_init(struct ath_softc *
@@ -2590,6 +2699,7 @@ void ath_tx_node_init(struct ath_softc *
for (acno = 0, ac = &an->ac[acno];
acno < IEEE80211_NUM_ACS; acno++, ac++) {
ac->sched = false;