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wil6210: Count Tx statistics on Tx completion 

This allows to account for Tx errors

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2013-01-28 18:31:00 +02:00 committed by John W. Linville
parent 47e19af9a7
commit 795ce73438
1 changed files with 9 additions and 2 deletions
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11
drivers/net/wireless/ath/wil6210/txrx.c
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@ -752,8 +752,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
}
switch (rc) {
case 0:
ndev->stats.tx_packets++;
ndev->stats.tx_bytes += skb->len;
/* statistics will be updated on the tx_complete */
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
case -ENOMEM:
@ -777,6 +776,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
*/
void wil_tx_complete(struct wil6210_priv *wil, int ringid)
{
struct net_device *ndev = wil_to_ndev(wil);
struct device *dev = wil_to_dev(wil);
struct vring *vring = &wil->vring_tx[ringid];
@ -804,6 +804,13 @@ void wil_tx_complete(struct wil6210_priv *wil, int ringid)
pa = d->dma.addr_low | ((u64)d->dma.addr_high << 32);
skb = vring->ctx[vring->swtail];
if (skb) {
if (d->dma.error == 0) {
ndev->stats.tx_packets++;
ndev->stats.tx_bytes += skb->len;
} else {
ndev->stats.tx_errors++;
}
dma_unmap_single(dev, pa, d->dma.length, DMA_TO_DEVICE);
dev_kfree_skb_any(skb);
vring->ctx[vring->swtail] = NULL;