wifi: mt76: introduce mt76_queue_is_wed_tx_free utility routine

This is a preliminary patch to introduce WED support for mt7996
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/dma.c

@@ -724,7 +724,7 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q,
 	if (ret)
 		return ret;
 
-	if (q->flags != MT_WED_Q_TXFREE)
+	if (!mt76_queue_is_wed_tx_free(q))
 		mt76_dma_queue_reset(dev, q);
 
 	return 0;
@@ -775,7 +775,7 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid)
 
 	/* reset WED rx queues */
 	mt76_dma_wed_setup(dev, q, true);
-	if (q->flags != MT_WED_Q_TXFREE) {
+	if (!mt76_queue_is_wed_tx_free(q)) {
 		mt76_dma_sync_idx(dev, q);
 		mt76_dma_rx_fill(dev, q, false);
 	}
@@ -818,7 +818,7 @@ mt76_dma_rx_process(struct mt76_dev *dev, struct mt76_queue *q, int budget)
 	bool more;
 
 	if (IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED) &&
-	    q->flags == MT_WED_Q_TXFREE) {
+	    mt76_queue_is_wed_tx_free(q)) {
 		dma_idx = Q_READ(dev, q, dma_idx);
 		check_ddone = true;
 	}

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -1562,6 +1562,12 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 			      struct mt76_power_limits *dest,
 			      s8 target_power);
 
+static inline bool mt76_queue_is_wed_tx_free(struct mt76_queue *q)
+{
+	return (q->flags & MT_QFLAG_WED) &&
+	       FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_TXFREE;
+}
+
 static inline bool mt76_queue_is_wed_rx(struct mt76_queue *q)
 {
 	return (q->flags & MT_QFLAG_WED) &&

drivers/net/wireless/mediatek/mt76/mt7915/dma.c

@@ -643,7 +643,7 @@ int mt7915_dma_reset(struct mt7915_dev *dev, bool force)
 		mt76_queue_reset(dev, dev->mt76.q_mcu[i]);
 
 	mt76_for_each_q_rx(&dev->mt76, i) {
-		if (dev->mt76.q_rx[i].flags == MT_WED_Q_TXFREE)
+		if (mt76_queue_is_wed_tx_free(&dev->mt76.q_rx[i]))
 			continue;
 
 		mt76_queue_reset(dev, &dev->mt76.q_rx[i]);