From: Jian Shen <shenjian15@huawei.com>
Date: Sun, 27 Jan 2019 00:49:10 +0800
Subject: net: hns3: don't update packet statistics for packets dropped by
 hardware
Patch-mainline: v5.1-rc1
Git-commit: 217e288c9718b383d68cacec50e37ec2c085c485
References: bsc#1126390

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c |    3 ---
 1 file changed, 3 deletions(-)

--- 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
 			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
 			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;