From: Yunsheng Lin <linyunsheng@huawei.com>
Date: Tue, 15 May 2018 19:20:12 +0100
Subject: net: hns3: Fix for fiber link up problem
Patch-mainline: v4.18-rc1
Git-commit: be8d8cdb8ebf3afd841c109dd035fd789a0c7d53
References: bsc#1104353 FATE#326415
When hclge_ae_start is called, hdev->hw.mac.link may be set
to one after up/down multi-times, which does not correspond to
the link state of netdev when the netdev is up.
This fixes it by setting hdev->hw.mac.link to zero when
hclge_ae_start is called.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3756,6 +3756,7 @@ static int hclge_ae_start(struct hnae3_h
hclge_cfg_mac_mode(hdev, true);
clear_bit(HCLGE_STATE_DOWN, &hdev->state);
mod_timer(&hdev->service_timer, jiffies + HZ);
+ hdev->hw.mac.link = 0;
/* reset tqp stats */
hclge_reset_tqp_stats(handle);
@@ -3792,7 +3793,6 @@ static void hclge_ae_stop(struct hnae3_h
/* reset tqp stats */
hclge_reset_tqp_stats(handle);
- hclge_update_link_status(hdev);
}
static int hclge_get_mac_vlan_cmd_status(struct hclge_vport *vport,