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net: hns3: Fix an error of total drop packet statistics 

The dropped tx/rx packets number of each tqp should also
be counted into the total drop tx/rx packets numbers.

Fixes: 76ad4f0ee7 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jian Shen 2018-01-05 18:18:12 +08:00 committed by David S. Miller
parent b875cc379d
commit d2a5dca840
1 changed files with 9 additions and 2 deletions
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11
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
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@ -1139,6 +1139,8 @@ hns3_nic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
u64 rx_bytes = 0;
u64 tx_pkts = 0;
u64 rx_pkts = 0;
u64 tx_drop = 0;
u64 rx_drop = 0;
if (test_bit(HNS3_NIC_STATE_DOWN, &priv->state))
return;
@ -1152,6 +1154,8 @@ hns3_nic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
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;
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
/* fetch the rx stats */
@ -1160,6 +1164,9 @@ hns3_nic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
start = u64_stats_fetch_begin_irq(&ring->syncp);
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;
} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
}
@ -1175,8 +1182,8 @@ hns3_nic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
stats->rx_missed_errors = netdev->stats.rx_missed_errors;
stats->tx_errors = netdev->stats.tx_errors;
stats->rx_dropped = netdev->stats.rx_dropped;
stats->tx_dropped = netdev->stats.tx_dropped;
stats->rx_dropped = rx_drop + netdev->stats.rx_dropped;
stats->tx_dropped = tx_drop + netdev->stats.tx_dropped;
stats->collisions = netdev->stats.collisions;
stats->rx_over_errors = netdev->stats.rx_over_errors;
stats->rx_frame_errors = netdev->stats.rx_frame_errors;