ath9k: Move acq to channel context
Add support to maintain per-channel ACs list.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 66acb2c..b2e66d2 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -103,9 +103,16 @@
ieee80211_tx_status(sc->hw, skb);
}
-static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
+static void ath_tx_queue_tid(struct ath_softc *sc, struct ath_txq *txq,
+ struct ath_atx_tid *tid)
{
struct ath_atx_ac *ac = tid->ac;
+ struct list_head *list;
+ struct ath_vif *avp = (struct ath_vif *) tid->an->vif->drv_priv;
+ struct ath_chanctx *ctx = avp->chanctx;
+
+ if (!ctx)
+ return;
if (tid->sched)
return;
@@ -117,7 +124,9 @@
return;
ac->sched = true;
- list_add_tail(&ac->list, &txq->axq_acq);
+
+ list = &ctx->acq[TID_TO_WME_AC(tid->tidno)];
+ list_add_tail(&ac->list, list);
}
static struct ath_frame_info *get_frame_info(struct sk_buff *skb)
@@ -626,7 +635,7 @@
skb_queue_splice_tail(&bf_pending, &tid->retry_q);
if (!an->sleeping) {
- ath_tx_queue_tid(txq, tid);
+ ath_tx_queue_tid(sc, txq, tid);
if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY))
tid->ac->clear_ps_filter = true;
@@ -1483,7 +1492,7 @@
ac->clear_ps_filter = true;
if (ath_tid_has_buffered(tid)) {
- ath_tx_queue_tid(txq, tid);
+ ath_tx_queue_tid(sc, txq, tid);
ath_txq_schedule(sc, txq);
}
@@ -1507,7 +1516,7 @@
tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
if (ath_tid_has_buffered(tid)) {
- ath_tx_queue_tid(txq, tid);
+ ath_tx_queue_tid(sc, txq, tid);
ath_txq_schedule(sc, txq);
}
@@ -1642,7 +1651,6 @@
txq->axq_link = NULL;
__skb_queue_head_init(&txq->complete_q);
INIT_LIST_HEAD(&txq->axq_q);
- INIT_LIST_HEAD(&txq->axq_acq);
spin_lock_init(&txq->axq_lock);
txq->axq_depth = 0;
txq->axq_ampdu_depth = 0;
@@ -1804,7 +1812,7 @@
sc->tx.txqsetup &= ~(1<<txq->axq_qnum);
}
-/* For each axq_acq entry, for each tid, try to schedule packets
+/* For each acq entry, for each tid, try to schedule packets
* for transmit until ampdu_depth has reached min Q depth.
*/
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
@@ -1812,19 +1820,25 @@
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_atx_ac *ac, *last_ac;
struct ath_atx_tid *tid, *last_tid;
+ struct list_head *ac_list;
bool sent = false;
+ if (txq->mac80211_qnum < 0)
+ return;
+
+ ac_list = &sc->cur_chan->acq[txq->mac80211_qnum];
+
if (test_bit(ATH_OP_HW_RESET, &common->op_flags) ||
- list_empty(&txq->axq_acq))
+ list_empty(ac_list))
return;
rcu_read_lock();
- last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
- while (!list_empty(&txq->axq_acq)) {
+ last_ac = list_entry(ac_list->prev, struct ath_atx_ac, list);
+ while (!list_empty(ac_list)) {
bool stop = false;
- ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
+ ac = list_first_entry(ac_list, struct ath_atx_ac, list);
last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
list_del(&ac->list);
ac->sched = false;
@@ -1844,7 +1858,7 @@
* are pending for the tid
*/
if (ath_tid_has_buffered(tid))
- ath_tx_queue_tid(txq, tid);
+ ath_tx_queue_tid(sc, txq, tid);
if (stop || tid == last_tid)
break;
@@ -1852,7 +1866,7 @@
if (!list_empty(&ac->tid_q) && !ac->sched) {
ac->sched = true;
- list_add_tail(&ac->list, &txq->axq_acq);
+ list_add_tail(&ac->list, ac_list);
}
if (stop)
@@ -1863,7 +1877,7 @@
break;
sent = false;
- last_ac = list_entry(txq->axq_acq.prev,
+ last_ac = list_entry(ac_list->prev,
struct ath_atx_ac, list);
}
}
@@ -1871,6 +1885,20 @@
rcu_read_unlock();
}
+void ath_txq_schedule_all(struct ath_softc *sc)
+{
+ struct ath_txq *txq;
+ int i;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ txq = sc->tx.txq_map[i];
+
+ spin_lock_bh(&txq->axq_lock);
+ ath_txq_schedule(sc, txq);
+ spin_unlock_bh(&txq->axq_lock);
+ }
+}
+
/***********/
/* TX, DMA */
/***********/
@@ -2198,7 +2226,7 @@
TX_STAT_INC(txq->axq_qnum, a_queued_sw);
__skb_queue_tail(&tid->buf_q, skb);
if (!txctl->an->sleeping)
- ath_tx_queue_tid(txq, tid);
+ ath_tx_queue_tid(sc, txq, tid);
ath_txq_schedule(sc, txq);
goto out;