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From: Bing Zhao <bingz@nvidia.com>
To: Yang Xu <xu.yang3@zte.com.cn>,
	"NBU-Contact-Thomas Monjalon (EXTERNAL)" <thomas@monjalon.net>,
	Dariusz Sosnowski <dsosnowski@nvidia.com>,
	Slava Ovsiienko <viacheslavo@nvidia.com>,
	Ori Kam <orika@nvidia.com>, Suanming Mou <suanmingm@nvidia.com>,
	Matan Azrad <matan@nvidia.com>,
	"yao.chenghu@zte.com.cn" <yao.chenghu@zte.com.cn>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: RE: [PATCH 1/1] net/mlx5/linux: set down if detect any anomaly
Date: Wed, 12 Nov 2025 09:37:02 +0000	[thread overview]
Message-ID: <IA4PR12MB9763D815B41A246BF8648C6ED0CCA@IA4PR12MB9763.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20250818003223.2098419-1-xu.yang3@zte.com.cn>

Hi,

Please check how to use plain text to send the email? And this is a bug fix, please add fixline and change description of the title line and commit log.

From: Yang Xu <xu.yang3@zte.com.cn> 
Sent: Monday, August 18, 2025 8:32 AM
To: NBU-Contact-Thomas Monjalon (EXTERNAL) <thomas@monjalon.net>; Dariusz Sosnowski <dsosnowski@nvidia.com>; Slava Ovsiienko <viacheslavo@nvidia.com>; Bing Zhao <bingz@nvidia.com>; Ori Kam <orika@nvidia.com>; Suanming Mou <suanmingm@nvidia.com>; Matan Azrad <matan@nvidia.com>; xu.yang3@zte.com.cn; yao.chenghu@zte.com.cn
Cc: dev@dpdk.org
Subject: [PATCH 1/1] net/mlx5/linux: set down if detect any anomaly

External email: Use caution opening links or attachments 

MLX network interface card link detection will set the
interface to a down state upon detecting an anomaly.

Signed-off-by: Yang Xu <mailto:xu.yang3@zte.com.cn> 
---
 .mailmap                                | 1 +
 drivers/net/mlx5/linux/mlx5_ethdev_os.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/.mailmap b/.mailmap
index 34a99f93a1..14d6ee93dd 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1891,3 +1891,4 @@ Zoltan Kiss <mailto:zoltan.kiss@schaman.hu> <mailto:zoltan.kiss@linaro.org> 
 Zorik Machulsky <mailto:zorik@amazon.com> 
 Zyta Szpak <mailto:zyta@marvell.com> <mailto:zr@semihalf.com> 
 Zyta Szpak <mailto:zyta@marvell.com> <mailto:zyta.szpak@semihalf.com> 
+Yang Xu <mailto:xu.yang3@zte.com.cn> 
diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
index 9daeda5435..364b024b77 100644
--- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c
+++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c
@@ -486,6 +486,7 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
     struct rte_eth_link dev_link;
     time_t start_time = time(NULL);
     int retry = MLX5_GET_LINK_STATUS_RETRY_COUNT;
+    memset(&dev_link, 0, sizeof(dev_link));
  
// I think the inline initialization = {0} will be faster.


     do {
         ret = mlx5_link_update_unlocked_gs(dev, &dev_link);
@@ -504,6 +505,7 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
                 return -rte_errno;
             }
         } else if (ret < 0) {
+            dev->data->dev_link = dev_link;

// Or just set this to 0 directly would save some cost? 

             return ret;
         }
     } while (wait_to_complete || retry-- > 0);
--  
2.27.0



      reply	other threads:[~2025-11-12  9:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-18  0:32 Yang Xu
2025-11-12  9:37 ` Bing Zhao [this message]

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