mt76: add MT_RXQ_MAIN_WA for mt7916

mt7916 add MT_RXQ_MAIN_WA to receive tx free event separately
This is an intermediate patch to add mt7916 support.

Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 3a9af89..fd4c51b 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -93,7 +93,7 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
 {
        int i;
 
-       if (!q)
+       if (!q || !q->ndesc)
                return;
 
        /* clear descriptors */
@@ -233,7 +233,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, struct mt76_queue *q, bool flush)
        struct mt76_queue_entry entry;
        int last;
 
-       if (!q)
+       if (!q || !q->ndesc)
                return;
 
        spin_lock_bh(&q->cleanup_lock);
@@ -448,6 +448,9 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
        int len = SKB_WITH_OVERHEAD(q->buf_size);
        int offset = q->buf_offset;
 
+       if (!q->ndesc)
+               return 0;
+
        spin_lock_bh(&q->lock);
 
        while (q->queued < q->ndesc - 1) {
@@ -484,6 +487,9 @@ mt76_dma_rx_cleanup(struct mt76_dev *dev, struct mt76_queue *q)
        void *buf;
        bool more;
 
+       if (!q->ndesc)
+               return;
+
        spin_lock_bh(&q->lock);
        do {
                buf = mt76_dma_dequeue(dev, q, true, NULL, NULL, &more);
@@ -508,6 +514,9 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid)
        struct mt76_queue *q = &dev->q_rx[qid];
        int i;
 
+       if (!q->ndesc)
+               return;
+
        for (i = 0; i < q->ndesc; i++)
                q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
 

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 404c3d1..29bc381 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -85,6 +85,7 @@ enum mt76_rxq_id {
        MT_RXQ_MCU_WA,
        MT_RXQ_EXT,
        MT_RXQ_EXT_WA,
+       MT_RXQ_MAIN_WA,
        __MT_RXQ_MAX
 };