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authorJian Shen <shenjian15@huawei.com>2018-01-05 18:18:11 +0800
committerDavid S. Miller <davem@davemloft.net>2018-01-08 14:06:18 -0500
commitb875cc379de4cb4bcc7e189998667286baf916b8 (patch)
tree7f245cf71131c722acafc07e9fae38720195b2de /drivers
parentc5f654805c9b145f035e06551c5c3dcf3d8db652 (diff)
net: hns3: Mask the packet statistics query when NIC is down
Update the HNS3_NIC_STATE_DOWN bit when NIC state changes. When NIC is down, mask the packet statistics for querying with ifconfig command. It's a common practice. 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 79c5daa26a43..a8e44065a94b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -247,6 +247,8 @@ static int hns3_nic_net_up(struct net_device *netdev)
if (ret)
goto out_start_err;
+ clear_bit(HNS3_NIC_STATE_DOWN, &priv->state);
+
return 0;
out_start_err:
@@ -286,6 +288,9 @@ static void hns3_nic_net_down(struct net_device *netdev)
const struct hnae3_ae_ops *ops;
int i;
+ if (test_and_set_bit(HNS3_NIC_STATE_DOWN, &priv->state))
+ return;
+
/* stop ae_dev */
ops = priv->ae_handle->ae_algo->ops;
if (ops->stop)
@@ -1135,6 +1140,9 @@ hns3_nic_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
u64 tx_pkts = 0;
u64 rx_pkts = 0;
+ if (test_bit(HNS3_NIC_STATE_DOWN, &priv->state))
+ return;
+
handle->ae_algo->ops->update_stats(handle, &netdev->stats);
for (idx = 0; idx < queue_num; idx++) {