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>

diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c
index f3b523b..e7ea538 100644 (file)
--- a/drivers/net/wireless/ath/wil6210/txrx.c
+++ b/drivers/net/wireless/ath/wil6210/txrx.c
@@ -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;