diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index e769c8a555dd..ac1da2ee01a6 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -242,6 +242,30 @@ mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q) iowrite32(q->head, &q->regs->cpu_idx); } +static int +mt76_dma_tx_queue_skb_raw(struct mt76_dev *dev, enum mt76_txq_id qid, + struct sk_buff *skb, u32 tx_info) +{ + struct mt76_queue *q = &dev->q_tx[qid]; + struct mt76_queue_buf buf; + dma_addr_t addr; + + addr = dma_map_single(dev->dev, skb->data, skb->len, + DMA_TO_DEVICE); + if (dma_mapping_error(dev->dev, addr)) + return -ENOMEM; + + buf.addr = addr; + buf.len = skb->len; + + spin_lock_bh(&q->lock); + mt76_dma_add_buf(dev, q, &buf, 1, tx_info, skb, NULL); + mt76_dma_kick_queue(dev, q); + spin_unlock_bh(&q->lock); + + return 0; +} + int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, struct sk_buff *skb, struct mt76_wcid *wcid, struct ieee80211_sta *sta) @@ -523,6 +547,7 @@ static const struct mt76_queue_ops mt76_dma_ops = { .init = mt76_dma_init, .alloc = mt76_dma_alloc_queue, .add_buf = mt76_dma_add_buf, + .tx_queue_skb_raw = mt76_dma_tx_queue_skb_raw, .tx_queue_skb = mt76_dma_tx_queue_skb, .tx_cleanup = mt76_dma_tx_cleanup, .rx_reset = mt76_dma_rx_reset, |