[dpdk-dev] [PATCH 6/6] net/hns3: fix link speed when VF device is down

Min Hu (Connor) humin29 at huawei.com
Sat May 15 02:52:38 CEST 2021


From: Huisong Li <lihuisong at huawei.com>

When the port is link down state, it is meaningless to display the
port link speed. It should be an undefined state.

Fixes: 59fad0f32135 ("net/hns3: support link update operation")
Cc: stable at dpdk.org

Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
 drivers/net/hns3/hns3_ethdev_vf.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index c649616..41dd8ee 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2205,16 +2205,18 @@ hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
 	case ETH_SPEED_NUM_50G:
 	case ETH_SPEED_NUM_100G:
 	case ETH_SPEED_NUM_200G:
-		new_link.link_speed = mac->link_speed;
+		if (mac->link_status)
+			new_link.link_speed = mac->link_speed;
 		break;
 	default:
 		if (mac->link_status)
 			new_link.link_speed = ETH_SPEED_NUM_UNKNOWN;
-		else
-			new_link.link_speed = ETH_SPEED_NUM_NONE;
 		break;
 	}
 
+	if (!mac->link_status)
+		new_link.link_speed = ETH_SPEED_NUM_NONE;
+
 	new_link.link_duplex = mac->link_duplex;
 	new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
 	new_link.link_autoneg =
-- 
2.7.4



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