int mt7601u_dma_enqueue_tx(struct mt7601u_dev *dev, struct sk_buff *skb,
struct mt76_wcid *wcid, int hw_q)
{
u8 ep = q2ep(hw_q);
u32 dma_flags;
int ret;
dma_flags = MT_TXD_PKT_INFO_80211;
if (wcid->hw_key_idx == 0xff)
dma_flags |= MT_TXD_PKT_INFO_WIV;
ret = mt7601u_dma_skb_wrap_pkt(skb, ep2dmaq(ep), dma_flags);
if (ret)
return ret;
ret = mt7601u_dma_submit_tx(dev, skb, ep);
if (ret) {
ieee80211_free_txskb(dev->hw, skb);
return ret;
}
return 0;
}
static int
mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_sta *sta)
{
struct usb_interface *intf = to_usb_interface(dev->dev);
struct usb_device *udev = interface_to_usbdev(intf);
u8 ep = q2ep(q->hw_idx);
struct mt76u_buf *buf;
u16 idx = q->tail;
unsigned int pipe;
int err;
if (q->queued == q->ndesc)
return -ENOSPC;
err = dev->drv->tx_prepare_skb(dev, NULL, skb, q, wcid, sta, NULL);
if (err < 0)
return err;
buf = &q->entry[idx].ubuf;
buf->done = false;
err = mt76u_tx_build_sg(skb, buf->urb);
if (err < 0)
return err;
pipe = usb_sndbulkpipe(udev, dev->usb.out_ep[ep]);
usb_fill_bulk_urb(buf->urb, udev, pipe, NULL, skb->len,
mt76u_complete_tx, buf);
q->tail = (q->tail + 1) % q->ndesc;
q->entry[idx].skb = skb;
q->queued++;
return idx;
}
