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Tue, 30 Jun 2026 04:30:03 -0700 From: Tariq Toukan To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , , Paolo Abeni CC: Edward Srouji , Jacob Keller , Kees Cook , Leon Romanovsky , , , Maher Sanalla , Mark Bloch , Moshe Shemesh , Or Har-Toov , Rongwei Liu , Saeed Mahameed , Shay Drori , Simon Horman , Tariq Toukan Subject: [PATCH net V2 0/3] net/mlx5: LAG bug fixes Date: Tue, 30 Jun 2026 14:29:14 +0300 Message-ID: <20260630112917.698313-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001F6:EE_|CY8PR12MB8214:EE_ X-MS-Office365-Filtering-Correlation-Id: a0d6c889-e9e7-4d52-073e-08ded69afb57 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700016|376014|7416014|23010399003|18002099003|11063799006|56012099006|13003099007; X-Microsoft-Antispam-Message-Info: r28AIfXWFXNGuv5FNRNNTunCzzZfQV6hqg4F+LFk8JJpMktrPJ7AtsvUOPfOAswFn1X7UEvgnZfQ+XDZ2yCyhisM89CEN3u0DPCU8STjQZrkfJvTa2mj85f3XFKzaMAtpPB/sAIy5eTwr5W3/Odse7S925zU6iLlSUc2cshKFkyZn32L9pzZtNryq3c6G0yMAto6c+k+qIZlAzJ+qW2rdT6qy3+2T8WPraWfimVrB24fFw4BwH736Huu/AR5nLpAmhu+I39J06V9eA5EHz9r1FSyXChyRjQL8Na/j8ORtqHPWd0+j9llZolpnMOTDVc6XxjM7z3n8+l+W5JjNnPKbkwG3gXpEfJg55Nw3Ov5yeBM5TBH5LQUCHc2+lIgA5cbl82QS4GOqJFxej5xM/clzHvmAOKFHvhWHoo17sn8ph0to/Gz6LsJXYzA8ptTXkAIBInWIzJXgYP0sbEehepH0VCSXTlD76Io6rIXYbTjDt575/l2v6CRd4UhW/at/aj1WDDbEiHNlILT9xSoMSORHCO+jXb9pVhNql2Gm37Wur4d6DvcMAg/f3kNPr7T4YkErfEFfjn9aRkQGKsccl67ew8Ft8D8TVTOjdWrRl/7JkjjQXfcGFvUlGMnuTbOXUDPzB6Gs9ZbNKB1zYhEMi3wG3umZtR3qr3GyqnZiHZx2z78kfUR703lBFFyrtb13hGfwWfUkyiESSaI9tDNcHhmnw== X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(36860700016)(376014)(7416014)(23010399003)(18002099003)(11063799006)(56012099006)(13003099007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: cILhqHBgRlADE5iB5uIXjQhKYx+c8XUo6sfIkH5mT/J/rVdu13Be7ogES3pnNqvQzcTMYAJB4Byey+R2RTppWjjh2Zwffwz6W1b8D5bt/D31gFcFtasFsmcGzec7MJyHXvPF0T4GkOkx6dg96Q7gIl8kd7rQuuciGCAuku0FNlH0TaJs9rMYb1UqmpnGAUGQ1TNvIWuGIo5WzGaH8w7C6KH5LEml6jlxUK/XGEuwdKf3fP59XKw7bhbFOqSEXJteOAiBguymf+eZYIJhAvnus8699l9rDBD85SFIuLtg7Nikn+XoZN9tdLlzsN/ZvkjCGH+Lauid5BPsawhJx06A3uMZMqiXvMOZQoQEeAXFJ1LSHXZxwdvDLcDdkB8Cs2Q0oYQe0TgPGerHoT1e2LB6NLCzUfj6uNbuaFYGWkLLx98YLVpCIDBo0bLut9OfFiFc X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2026 11:30:26.2964 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a0d6c889-e9e7-4d52-073e-08ded69afb57 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001F6.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB8214 Hi, Three bug fixes by Shay in the mlx5 LAG subsystem. Patch 1 fixes an off-by-one in the error rollback path of mlx5_lag_create_single_fdb_filter(): the loop started from the failed index i, potentially operating on uninitialized state or double-tearing-down an entry that had already self-rolled-back. The rollback should start from i - 1. Patch 2 fixes a hang in mlx5_mpesw_work(): when mlx5_lag_get_devcom_comp() returns NULL the function returned early without calling complete(), blocking any caller waiting on mpesww->comp indefinitely. Patch 3 fixes a kernel crash during teardown when mlx5_lag_get_dev_seq() returns an error because no device is marked as master or the peer is no longer in the LAG. The peer flow cleanup is now skipped instead of proceeding with a bad pointer. This series by Shay fixes three bugs in the mlx5 LAG subsystem. Regards, Tariq V2: - Rebase. - Patch 3: simplify to a single 'continue' on seq lookup failure. V1: https://lore.kernel.org/all/20260617063204.547427-2-tariqt@nvidia.com/ Find replies to previous Sashiko comments here: https://lore.kernel.org/all/e18662ac-413e-43f6-ac65-a4e15fd47bb7@nvidia.com/ Shay Drory (3): net/mlx5: LAG, Fix off-by-one in single-FDB error rollback net/mlx5: LAG, MPESW, Fix missing complete() on devcom error net/mlx5e: TC, skip peer flow cleanup when LAG seq is unavailable drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 3 +++ drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c | 7 +++++-- drivers/net/ethernet/mellanox/mlx5/core/lag/shared_fdb.c | 2 +- 3 files changed, 9 insertions(+), 3 deletions(-) base-commit: dbf803bc4a8b0522c9a12560c20905a5952d1cb9 -- 2.44.0