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mt76: mt7663s: introduce __mt7663s_xmit_queue routine

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This is a preliminary patch to introduce sdio tx aggregation

Tested-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-09-05 11:26:03 +02:00 committed by Felix Fietkau
parent 6ef2d665f6
commit ab25d9d467
1 changed files with 22 additions and 13 deletions
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35
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
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@ -158,6 +158,24 @@ static void mt7663s_tx_update_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid
mutex_unlock(&sdio->sched.lock);
}
static int __mt7663s_xmit_queue(struct mt76_dev *dev, u8 *data, int len)
{
struct mt76_sdio *sdio = &dev->sdio;
int err;
if (len > sdio->func->cur_blksize)
len = roundup(len, sdio->func->cur_blksize);
sdio_claim_host(sdio->func);
err = sdio_writesb(sdio->func, MCR_WTDR1, data, len);
sdio_release_host(sdio->func);
if (err)
dev_err(dev->dev, "sdio write failed: %d\n", err);
return err;
}
static int mt7663s_tx_run_queue(struct mt76_dev *dev, enum mt76_txq_id qid)
{
int nframes = 0, pse_sz = 0, ple_sz = 0;
@ -166,24 +184,15 @@ static int mt7663s_tx_run_queue(struct mt76_dev *dev, enum mt76_txq_id qid)
while (q->first != q->head) {
struct mt76_queue_entry *e = &q->entry[q->first];
int err, len = e->skb->len;
int err;
if (mt7663s_tx_pick_quota(dev, qid, e->buf_sz, &pse_sz,
&ple_sz))
break;
if (len > sdio->func->cur_blksize)
len = roundup(len, sdio->func->cur_blksize);
/* TODO: skb_walk_frags and then write to SDIO port */
sdio_claim_host(sdio->func);
err = sdio_writesb(sdio->func, MCR_WTDR1, e->skb->data, len);
sdio_release_host(sdio->func);
if (err) {
dev_err(dev->dev, "sdio write failed: %d\n", err);
return -EIO;
}
err = __mt7663s_xmit_queue(dev, e->skb->data, e->skb->len);
if (err)
return err;
e->done = true;
q->first = (q->first + 1) % q->ndesc;