[PATCH 10/24] wifi: mt76: add multi-radio support to tx scheduling

[Felix Fietkau <nbd@nbd.name>]

Look up the phy for each scheduled txq. Only run one scheduling loop per hw.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/tx.c | 33 ++++++++++++++-----------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index ce193e625666..af0c50c983ec 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -489,7 +489,7 @@ mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_queue *q,
 
 	do {
 		if (test_bit(MT76_RESET, &phy->state) || phy->offchannel)
-			return -EBUSY;
+			break;
 
 		if (stop || mt76_txq_stopped(q))
 			break;
@@ -522,24 +522,16 @@ mt76_txq_send_burst(struct mt76_phy *phy, struct mt76_queue *q,
 static int
 mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid)
 {
-	struct mt76_queue *q = phy->q_tx[qid];
 	struct mt76_dev *dev = phy->dev;
 	struct ieee80211_txq *txq;
 	struct mt76_txq *mtxq;
 	struct mt76_wcid *wcid;
+	struct mt76_queue *q;
 	int ret = 0;
 
 	while (1) {
 		int n_frames = 0;
 
-		if (test_bit(MT76_RESET, &phy->state) || phy->offchannel)
-			return -EBUSY;
-
-		if (dev->queue_ops->tx_cleanup &&
-		    q->queued + 2 * MT_TXQ_FREE_THR >= q->ndesc) {
-			dev->queue_ops->tx_cleanup(dev, q, false);
-		}
-
 		txq = ieee80211_next_txq(phy->hw, qid);
 		if (!txq)
 			break;
@@ -549,6 +541,16 @@ mt76_txq_schedule_list(struct mt76_phy *phy, enum mt76_txq_id qid)
 		if (!wcid || test_bit(MT_WCID_FLAG_PS, &wcid->flags))
 			continue;
 
+		phy = mt76_dev_phy(dev, wcid->phy_idx);
+		if (test_bit(MT76_RESET, &phy->state) || phy->offchannel)
+			continue;
+
+		q = phy->q_tx[qid];
+		if (dev->queue_ops->tx_cleanup &&
+		    q->queued + 2 * MT_TXQ_FREE_THR >= q->ndesc) {
+			dev->queue_ops->tx_cleanup(dev, q, false);
+		}
+
 		if (mtxq->send_bar && mtxq->aggr) {
 			struct ieee80211_txq *txq = mtxq_to_txq(mtxq);
 			struct ieee80211_sta *sta = txq->sta;
@@ -578,7 +580,7 @@ void mt76_txq_schedule(struct mt76_phy *phy, enum mt76_txq_id qid)
 {
 	int len;
 
-	if (qid >= 4 || phy->offchannel)
+	if (qid >= 4)
 		return;
 
 	local_bh_disable();
@@ -680,9 +682,14 @@ static void mt76_txq_schedule_pending(struct mt76_phy *phy)
 
 void mt76_txq_schedule_all(struct mt76_phy *phy)
 {
+	struct mt76_phy *main_phy = &phy->dev->phy;
 	int i;
 
 	mt76_txq_schedule_pending(phy);
+
+	if (phy != main_phy && phy->hw == main_phy->hw)
+		return;
+
 	for (i = 0; i <= MT_TXQ_BK; i++)
 		mt76_txq_schedule(phy, i);
 }
@@ -693,6 +700,7 @@ void mt76_tx_worker_run(struct mt76_dev *dev)
 	struct mt76_phy *phy;
 	int i;
 
+	mt76_txq_schedule_all(&dev->phy);
 	for (i = 0; i < ARRAY_SIZE(dev->phys); i++) {
 		phy = dev->phys[i];
 		if (!phy)
@@ -748,9 +756,6 @@ void mt76_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
 	struct mt76_phy *phy = hw->priv;
 	struct mt76_dev *dev = phy->dev;
 
-	if (!test_bit(MT76_STATE_RUNNING, &phy->state))
-		return;
-
 	mt76_worker_schedule(&dev->tx_worker);
 }
 EXPORT_SYMBOL_GPL(mt76_wake_tx_queue);
-- 
2.47.1