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net: hns3: add stats logging when skb padding fails

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skb_put_padto() may fails because of memory failure, sw_err_cnt
is already used to log memory failure in hns3_skb_linearize(),
so use it to log the memory failure for skb_put_padto() too.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yunsheng Lin 2021-03-29 11:57:53 +08:00 committed by David S. Miller
parent 33a8f76499
commit 97b9e5c131
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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@ -1567,6 +1567,11 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
/* Hardware can only handle short frames above 32 bytes */
if (skb_put_padto(skb, HNS3_MIN_TX_LEN)) {
hns3_tx_doorbell(ring, 0, !netdev_xmit_more());
u64_stats_update_begin(&ring->syncp);
ring->stats.sw_err_cnt++;
u64_stats_update_end(&ring->syncp);
return NETDEV_TX_OK;
}