diff options
| author |   Jian Shen <shenjian15@huawei.com> | 2018-06-01 17:52:03 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-06-01 14:23:55 -0400 |
| commit | 5ec2a51ef8e2cb1fd1f04a8a7170001ab94d36fe (patch) | |
| tree | fec4ef578171508058d5666fe7358f37c8b99dca | |
| parent | net: hns3: Add support for IFF_ALLMULTI flag (diff) | |
net: hns3: Add repeat address checking for setting mac address
Add checking for new mac address. It doesn't need to config
the mac vlan table if it's already in use.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 0a6876a9b6d4..fe54564abdd5 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1132,6 +1132,12 @@ static int hns3_nic_net_set_mac_address(struct net_device *netdev, void *p) if (!mac_addr || !is_valid_ether_addr((const u8 *)mac_addr->sa_data)) return -EADDRNOTAVAIL; + if (ether_addr_equal(netdev->dev_addr, mac_addr->sa_data)) { + netdev_info(netdev, "already using mac address %pM\n", + mac_addr->sa_data); + return 0; + } + ret = h->ae_algo->ops->set_mac_addr(h, mac_addr->sa_data, false); if (ret) { netdev_err(netdev, "set_mac_address fail, ret=%d!\n", ret); |