diff options
| author |   Jian Shen <shenjian15@huawei.com> | 2018-01-05 18:18:11 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-01-08 14:06:18 -0500 |
| commit | b875cc379de4cb4bcc7e189998667286baf916b8 (patch) | |
| tree | 7f245cf71131c722acafc07e9fae38720195b2de /drivers | |
| parent | net: hns3: Modify the update period of packet statistics (diff) | |
| download | linux-dev-b875cc379de4cb4bcc7e189998667286baf916b8.tar.xz linux-dev-b875cc379de4cb4bcc7e189998667286baf916b8.zip | |
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.c | 8 |
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++) { |