Hi, 5. Contributing Code to DPDK — Data Plane Development Kit 16.04.0 documentation Please refer to this link. And about the description, I think it would be good to describe that the real issue is missing to set the proper value in the error branch. From: Yang Xu Sent: Monday, November 17, 2025 5:12 PM To: NBU-Contact-Thomas Monjalon (EXTERNAL) ; Dariusz Sosnowski ; Slava Ovsiienko ; Bing Zhao ; Ori Kam ; Suanming Mou ; Matan Azrad ; xu.yang3@zte.com.cn; yao.chenghu@zte.com.cn Cc: dev@dpdk.org Subject: [PATCH v2 1/1] net/mlx5: fix set port down if detect 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. Fixes: 1256805 ("move linux-specific functions") Signed-off-by: Yang Xu > --- .mailmap | 1 + drivers/net/mlx5/linux/mlx5_ethdev_os.c | 1 + test.eml | 21 +++++++++++++++++++++ 3 files changed, 23 insertions(+) create mode 100644 test.eml diff --git a/.mailmap b/.mailmap index 34a99f93a1..14d6ee93dd 100644 --- a/.mailmap +++ b/.mailmap @@ -1891,3 +1891,4 @@ Zoltan Kiss > > Zorik Machulsky > Zyta Szpak > > Zyta Szpak > > +Yang Xu > diff --git a/drivers/net/mlx5/linux/mlx5_ethdev_os.c b/drivers/net/mlx5/linux/mlx5_ethdev_os.c index 9daeda5435..03531ae879 100644 --- a/drivers/net/mlx5/linux/mlx5_ethdev_os.c +++ b/drivers/net/mlx5/linux/mlx5_ethdev_os.c @@ -504,6 +504,7 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete) return -rte_errno; } } else if (ret < 0) { + dev->data->dev_link = {0}; return ret; } } while (wait_to_complete || retry-- > 0); diff --git a/test.eml b/test.eml new file mode 100644 index 0000000000..f30ef5dc8a --- /dev/null +++ b/test.eml @@ -0,0 +1,21 @@ +./../dpdk-patch/0001-net-mlx5-fix-set-port-down-if-detect-anomaly.patch +(mbox) Adding cc: Yang Xu > from line 'From: Yang Xu >' +(body) Adding cc: Yang Xu > from line 'Signed-off-by: Yang Xu >' +Dry-OK. Log says: +Server: 10.5.231.43 +MAIL FROM:> +RCPT TO: +RCPT TO:> +From: Yang Xu > +To: y +Cc: Yang Xu > +Subject: [PATCH v2 1/1] net/mlx5: fix set port down if detect anomaly +Date: Fri, 14 Nov 2025 10:14:11 +0800 +Message-Id: <20251114021411.3606817-1-xu.yang3@zte.com.cn> +X-Mailer: git-send-email 2.27.0 +In-Reply-To: +References: +MIME-Version: 1.0 +Content-Transfer-Encoding: 8bit + +Result: OK -- 2.27.0