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net: hns3: don't update packet statistics for packets dropped by hardware

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Packet statistics for netdev should not include the packets dropped
by hardware.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jian Shen 2019-01-27 00:49:10 +08:00 committed by David S. Miller
parent 45e8fddd9b
commit 217e288c97
1 changed files with 0 additions and 3 deletions
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3
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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@ -1425,9 +1425,7 @@ static void hns3_nic_get_stats64(struct net_device *netdev,
start = u64_stats_fetch_begin_irq(&ring->syncp);
tx_bytes += ring->stats.tx_bytes;
tx_pkts += ring->stats.tx_pkts;
tx_drop += ring->stats.tx_busy;
tx_drop += ring->stats.sw_err_cnt;
tx_errors += ring->stats.tx_busy;
tx_errors += ring->stats.sw_err_cnt;
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
@ -1438,7 +1436,6 @@ static void hns3_nic_get_stats64(struct net_device *netdev,
rx_bytes += ring->stats.rx_bytes;
rx_pkts += ring->stats.rx_pkts;
rx_drop += ring->stats.non_vld_descs;
rx_drop += ring->stats.err_pkt_len;
rx_drop += ring->stats.l2_err;
rx_errors += ring->stats.non_vld_descs;
rx_errors += ring->stats.l2_err;