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Commit b875cc37 authored by Jian Shen's avatar Jian Shen Committed by David S. Miller
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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: default avatarJian Shen <shenjian15@huawei.com>
Signed-off-by: default avatarPeng Li <lipeng321@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c5f65480

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

+8 −0
Original line number Diff line number Diff line
@@ -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++) {