From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4DC07489EF for ; Mon, 27 Oct 2025 17:22:56 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 486614028B; Mon, 27 Oct 2025 17:22:56 +0100 (CET) Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) by mails.dpdk.org (Postfix) with ESMTP id F18B84028B for ; Mon, 27 Oct 2025 17:22:54 +0100 (CET) Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-4710683a644so40806745e9.0 for ; Mon, 27 Oct 2025 09:22:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1761582174; x=1762186974; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=F/trU/xShgG9KPrfXDZaX4KXEUWQ0vC5hvUTU0dRDJI=; b=JVda1HlKyd2TLAER7Ocd+Ip2fz2cLKFI9GTs0bLu+JbDIyX8ykdzZIgN2s94mdpZ3N 4tSkJ5l3bhPUuQim86bhNa12IS76F5k+QHk+ihqhtiw0j6DBkmSuu+OuP9+0loSeZLJ9 3x9YCgOwX56p61XJdXQYJ5HFfpFq2vjg6zSZrYMkFRXTgjv38lR5fx+1Z2Wqd4Tvr8Xj YT1Kv9qNfpxVRzMYVHvVF8Usnuw1zASMpkFx0Er/ww3KtTeYRVXOj/7SaPqMLSGjufMM X7HI0bAxH3GHbBXadItbDtxPL+BFaUOM97ZemKo6nKuiaq0BcZjQv3mGxK9BlHkmJK9M pESg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761582174; x=1762186974; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=F/trU/xShgG9KPrfXDZaX4KXEUWQ0vC5hvUTU0dRDJI=; b=o4zvIV+7zlzEwYuIIcN5z1Rh7E51AYA3UyKCytfqmz7NsTymD60EPG2dH32QO7UyD2 wOD87bAePob2HGdwg9fD1E0GGVfaTq5BhY9kUJImk54kVaNqMsETzHZL7m5HesFnrB+m h+/iA9bTTJw1ekvdNU4ZvJx85ITKbNMOijMfn7CG1h5L/Yb3jD1S3D5jgV/pdibYL92s eaAPs+HV+B+3nHu3s6F3h6iZAOXdCEotA87THLsaz8dAxWf4FtAshgJuCF9ZSBxVwKaO xgieenZFxvtVIBn7RvkWI94132aLc1s7+DY1Mb+Bl46t99fX/AqkIGW7x/KBdtMU2Hr8 zr4w== X-Forwarded-Encrypted: i=1; AJvYcCUYEK+1XY29GBaNHn3BGzWRezniQ1/5mXxHpA3O2jZaqvqYNMKd+xrjfly+cybJJnD9MYIKlic=@dpdk.org X-Gm-Message-State: AOJu0YxxQu8dv79ZmnWhavZdMV0eQsN8Fq3N7bf86af205JkkAc7p30o XqmDUjD//+8L/eA1eT7eDGjS9jSrFxOi738unmifTDwNPPsAigpSUN4DuzLNDQ== X-Gm-Gg: ASbGnctOcJVpsWvc3iTpIgcQLN8A9HYTgUNb0EhUzfrVPIAcuPfuqa1GuFdZjDBSOXa LpTBb/yNScNwScGD4ACbApctxz5/nIu9G7NEOjmIqyqv0eYsBYGBpMysUfWxKLuxj0LgDBEk91n yDX4zPavz19hnlTyTW774sC0jdxbcnK2W5NI0Yo9iX42gEwQw4+VYQ4l5wge+rdR22mAhs2ySqE p+28tPkDqpe9SKBHRJmAbvDyUj/35+ZHqJBG4s9/Nnwp2zwscCkggR8xKddV0qBMZj2U1VxafAr JZd4ahngyrGofU1SeRE4rJcvmkPFXSm/waOZC4ShR+XlVE6oXv01vHe8+Z6bGW4cJRRt3H7XBUZ g4qVE0HNOIHaHnTjH4NJsU36tO4ZoIOlYVfep18fFSwPmGuhvipKVWXtgRNm34XOvflSlhRgx4a CNi0vpxQ== X-Google-Smtp-Source: AGHT+IEV1VW2Aaq/FgKkxbO3DXjGaSP+nu2DKbQ9Pe4xAO2MiP4ODdvi2+KgjwTDwXqu5PZusCGLzw== X-Received: by 2002:a05:600d:830f:b0:475:d91d:28fb with SMTP id 5b1f17b1804b1-477180f3b54mr605595e9.4.1761582174461; Mon, 27 Oct 2025 09:22:54 -0700 (PDT) Received: from localhost ([2a01:4b00:d036:ae00:6fc5:c3bc:147e:832c]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-475dd478202sm144749585e9.14.2025.10.27.09.22.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Oct 2025 09:22:53 -0700 (PDT) From: luca.boccassi@gmail.com To: Shani Peretz Cc: Dariusz Sosnowski , dpdk stable Subject: patch 'net/mlx5: fix MTU initialization' has been queued to stable release 22.11.11 Date: Mon, 27 Oct 2025 16:19:29 +0000 Message-ID: <20251027162001.3710450-51-luca.boccassi@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251027162001.3710450-1-luca.boccassi@gmail.com> References: <20251027162001.3710450-1-luca.boccassi@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Hi, FYI, your patch has been queued to stable release 22.11.11 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 10/29/25. So please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://github.com/bluca/dpdk-stable This queued commit can be viewed at: https://github.com/bluca/dpdk-stable/commit/8b6d77fdad418b637c16dc346e4b774d89f1b60b Thanks. Luca Boccassi --- >From 8b6d77fdad418b637c16dc346e4b774d89f1b60b Mon Sep 17 00:00:00 2001 From: Shani Peretz Date: Thu, 18 Sep 2025 08:43:25 +0300 Subject: [PATCH] net/mlx5: fix MTU initialization [ upstream commit ee6aa2cb66512cd57b69ffe07efbd7f09789c9b2 ] Currently with mlx5 PMD, rte_eth_dev_get_mtu() doesn't return the MTU the device was set with, but the default one. It happens because mlx5_dev_spawn() is not setting the eth_dev->data->mtu field after getting the actual MTU from the driver, so the default value is kept. This patch fixes the issue by retrieving setting the value of priv->mtu to eth_dev->data->mtu. Bugzilla ID: 1768 Fixes: 2eb4d0107acc ("net/mlx5: refactor PCI probing on Linux") Signed-off-by: Shani Peretz Acked-by: Dariusz Sosnowski --- drivers/net/mlx5/linux/mlx5_os.c | 1 + drivers/net/mlx5/windows/mlx5_os.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/net/mlx5/linux/mlx5_os.c b/drivers/net/mlx5/linux/mlx5_os.c index 23093b404a..fc7d5f68e7 100644 --- a/drivers/net/mlx5/linux/mlx5_os.c +++ b/drivers/net/mlx5/linux/mlx5_os.c @@ -1516,6 +1516,7 @@ err_secondary: err = rte_errno; goto error; } + eth_dev->data->mtu = priv->mtu; DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id, priv->mtu); /* Initialize burst functions to prevent crashes before link-up. */ diff --git a/drivers/net/mlx5/windows/mlx5_os.c b/drivers/net/mlx5/windows/mlx5_os.c index a2c2b37773..0da1f15f78 100644 --- a/drivers/net/mlx5/windows/mlx5_os.c +++ b/drivers/net/mlx5/windows/mlx5_os.c @@ -463,6 +463,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, err = rte_errno; goto error; } + eth_dev->data->mtu = priv->mtu; DRV_LOG(DEBUG, "port %u MTU is %u.", eth_dev->data->port_id, priv->mtu); /* Initialize burst functions to prevent crashes before link-up. */ -- 2.47.3 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2025-10-27 15:54:36.681032536 +0000 +++ 0051-net-mlx5-fix-MTU-initialization.patch 2025-10-27 15:54:34.823950251 +0000 @@ -1 +1 @@ -From ee6aa2cb66512cd57b69ffe07efbd7f09789c9b2 Mon Sep 17 00:00:00 2001 +From 8b6d77fdad418b637c16dc346e4b774d89f1b60b Mon Sep 17 00:00:00 2001 @@ -5,0 +6,2 @@ +[ upstream commit ee6aa2cb66512cd57b69ffe07efbd7f09789c9b2 ] + @@ -16 +17,0 @@ -Cc: stable@dpdk.org @@ -26 +27 @@ -index 8c37c047bb..8d11b1ac3a 100644 +index 23093b404a..fc7d5f68e7 100644 @@ -29 +30 @@ -@@ -1601,6 +1601,7 @@ err_secondary: +@@ -1516,6 +1516,7 @@ err_secondary: @@ -38 +39 @@ -index c4e3430bdc..4eadc872a5 100644 +index a2c2b37773..0da1f15f78 100644 @@ -41 +42 @@ -@@ -509,6 +509,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev, +@@ -463,6 +463,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,