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net: hns3: add result checking for VF when modify unicast mac address 

VF changes unicast mac address by sending mailbox msg to PF, then PF
completes the mac address modification. It may fail when the target
uc mac address is already in the mac_vlan table. VF should be aware
of it by reading the message result.

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>
This commit is contained in:
Jian Shen 2018-03-10 11:29:33 +08:00 committed by David S. Miller
parent d07b6bb435
commit 2097fdefa5
3 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
View File

@ -365,7 +365,7 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
ret);
break;
case HCLGE_MBX_SET_UNICAST:
ret = hclge_set_vf_uc_mac_addr(vport, req, false);
ret = hclge_set_vf_uc_mac_addr(vport, req, true);
if (ret)
dev_err(&hdev->pdev->dev,
"PF fail(%d) to set VF UC MAC Addr\n",

2
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View File

@ -744,7 +744,7 @@ static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p,
status = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_SET_UNICAST,
subcode, msg_data, ETH_ALEN * 2,
false, NULL, 0);
true, NULL, 0);
if (!status)
ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr);

4
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
View File

@ -54,6 +54,10 @@ static int hclgevf_get_mbx_resp(struct hclgevf_dev *hdev, u16 code0, u16 code1,
mbx_resp = &hdev->mbx_resp;
r_code0 = (u16)(mbx_resp->origin_mbx_msg >> 16);
r_code1 = (u16)(mbx_resp->origin_mbx_msg & 0xff);
if (mbx_resp->resp_status)
return mbx_resp->resp_status;
if (resp_data)
memcpy(resp_data, &mbx_resp->additional_info[0], resp_len);