[PATCH net-next 01/12] net: hns3: don't update packet statistics for packets dropped by hardware

From: Huazhong Tan
Date: Sat Jan 26 2019 - 11:50:02 EST


From: Jian Shen <shenjian15@xxxxxxxxxx>

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

Signed-off-by: Jian Shen <shenjian15@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 327dde2765ab..5ef3bdc7c808 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -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;
--
2.20.1