AuxXxilium/linux_dsm_epyc7002
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net: hns3: return 0 and print warning when hit duplicate MAC

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When set 2 same MAC to different function of one port, IMP
will return error as the later one may modify the origin one.
This will cause bond fail for 2 VFs of one port.

Driver just print warning and return 0 with this patch, so
if set same MAC address, it will return 0 but do not really
configure HW.

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2019-04-04 16:17:51 +08:00 committed by David S. Miller
parent 9c3e713020
commit 72110b5674
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -5962,8 +5962,11 @@ int hclge_add_uc_addr_common(struct hclge_vport *vport,
}
/* check if we just hit the duplicate */
if (!ret)
ret = -EINVAL;
if (!ret) {
dev_warn(&hdev->pdev->dev, "VF %d mac(%pM) exists\n",
vport->vport_id, addr);
return 0;
}
dev_err(&hdev->pdev->dev,
"PF failed to add unicast entry(%pM) in the MAC table\n",