This is a note to let you know that I've just added the patch titled

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

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: net-hns3-fix-an-error-of-total-drop-packet-statistics.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Mon Apr 9 10:16:32 CEST 2018

From: Jian Shen shenjian15@huawei.com Date: Fri, 5 Jan 2018 18:18:12 +0800 Subject: net: hns3: Fix an error of total drop packet statistics

From: Jian Shen shenjian15@huawei.com

[ Upstream commit d2a5dca8404871be683c6bbc175ebf9c56dd2865 ]

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

Fixes: 76ad4f0ee74 ("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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c @@ -1055,6 +1055,8 @@ hns3_nic_get_stats64(struct net_device * u64 rx_bytes = 0; u64 tx_pkts = 0; u64 rx_pkts = 0; + u64 tx_drop = 0; + u64 rx_drop = 0;

for (idx = 0; idx < queue_num; idx++) { /* fetch the tx stats */ @@ -1063,6 +1065,8 @@ hns3_nic_get_stats64(struct net_device * 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 */ @@ -1071,6 +1075,9 @@ hns3_nic_get_stats64(struct net_device * 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)); }

@@ -1086,8 +1093,8 @@ hns3_nic_get_stats64(struct net_device * 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;

Patches currently in stable-queue which might be from shenjian15@huawei.com are

queue-4.15/net-hns3-fix-a-loop-index-error-of-tqp-statistics-query.patch queue-4.15/net-hns3-fix-an-error-macro-definition-of-hns3_tqp_stat.patch queue-4.15/net-hns3-fix-an-error-of-total-drop-packet-statistics.patch