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Mon, 8 Jun 2026 06:57:51 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , Shay Drory , Or Har-Toov , Edward Srouji , Simon Horman , Maher Sanalla , Parav Pandit , Kees Cook , Moshe Shemesh , Patrisious Haddad , , , , Gal Pressman , Dragos Tatulea Subject: [PATCH net-next V2 15/15] net/mlx5: SD, enable SD over ECPF and allow switchdev transition Date: Mon, 8 Jun 2026 16:55:47 +0300 Message-ID: <20260608135547.482825-16-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260608135547.482825-1-tariqt@nvidia.com> References: <20260608135547.482825-1-tariqt@nvidia.com> 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: BN1PEPF00005FFF:EE_|CY8PR12MB7121:EE_ X-MS-Office365-Filtering-Correlation-Id: c613ff67-68de-4a74-dbc4-08dec565f984 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|7416014|376014|82310400026|22082099003|18002099003|11063799006|56012099006; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(36860700016)(7416014)(376014)(82310400026)(22082099003)(18002099003)(11063799006)(56012099006);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: hNTK4IzHH4XNt/Vrruuqb/LRzAXoXEhrp5FadbjNe9ZRLuiL2SPd8Dd07DkPE92IufCwOyEAOD/JWnlwpw/HNVbIP++4CN4P60zV6cErMqW8cMPezATHHJ25zSqFsPcNAy0TZyfDWqg4aaoZhvtgUx/MVomoieXW2PkLI0YIVo6Fv37qD/J4WB3N+LNVabdhFEIfnf+b69FXj2tpOvVJLIOJrAtRMLecTSekdO3kAf+BITs617sDzwXe9iv4iAzsFIC/kUvwl4JNTMRJ2kFUg9X/FKBBrbeqPqChOlUUlUbH0KxxO7pD5+56Z45rRDLWZSN3cdQmuAUbLj3T0vWVHUAEBxo/oS478OzRu8SvhjsC5ptIz+xTXpcQAgFEFS7KSMbL8aRgCqC8C83jHIM0yH035StXfVyx7goaWs3SuCHdApx3Mzu3u6nfTmWrc8dF X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jun 2026 13:58:09.9855 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c613ff67-68de-4a74-dbc4-08dec565f984 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00005FFF.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7121 From: Shay Drory Remove the restriction blocking SD on embedded CPU PFs (ECPF), enabling SD functionality on BlueField DPUs. Remove the blocker preventing SD devices from transitioning to switchdev mode. The infrastructure added in earlier patches properly handles this case. Signed-off-by: Shay Drory Reviewed-by: Mark Bloch Signed-off-by: Tariq Toukan --- .../net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 6 ------ drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c | 8 -------- 2 files changed, 14 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 9aec470fe126..cc791f2f63b9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -4451,12 +4451,6 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, if (esw_mode_from_devlink(mode, &mlx5_mode)) return -EINVAL; - if (mlx5_mode == MLX5_ESWITCH_OFFLOADS && mlx5_get_sd(esw->dev)) { - NL_SET_ERR_MSG_MOD(extack, - "Can't change E-Switch mode to switchdev when multi-PF netdev (Socket Direct) is configured."); - return -EPERM; - } - /* Avoid try_lock, active/inactive mode change is not restricted */ if (mlx5_devlink_switchdev_active_mode_change(esw, mode)) return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c index d74a5a2862cb..ec01aecf3370 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c @@ -222,10 +222,6 @@ bool mlx5_sd_is_supported(struct mlx5_core_dev *dev) if (!mlx5_core_is_pf(dev)) return false; - /* Block on embedded CPU PFs */ - if (mlx5_core_is_ecpf(dev)) - return false; - err = mlx5_query_nic_vport_sd_group(dev, &sd_group); if (err || !sd_group) return false; @@ -252,10 +248,6 @@ static int sd_init(struct mlx5_core_dev *dev) if (!mlx5_core_is_pf(dev)) return 0; - /* Block on embedded CPU PFs */ - if (mlx5_core_is_ecpf(dev)) - return 0; - err = mlx5_query_nic_vport_sd_group(dev, &sd_group); if (err) return err; -- 2.44.0