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Fri, 12 Jun 2026 04:40:54 -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 , Maher Sanalla , Simon Horman , Gerd Bayer , Kees Cook , Moshe Shemesh , Parav Pandit , Patrisious Haddad , , , , Gal Pressman Subject: [PATCH net-next V3 15/15] net/mlx5: SD, enable SD over ECPF and allow switchdev transition Date: Fri, 12 Jun 2026 14:39:04 +0300 Message-ID: <20260612113904.537595-16-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260612113904.537595-1-tariqt@nvidia.com> References: <20260612113904.537595-1-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: SJ1PEPF000023D8:EE_|DM6PR12MB4403:EE_ X-MS-Office365-Filtering-Correlation-Id: e2e62a8b-15f3-460c-748f-08dec8778489 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|23010399003|36860700016|7416014|1800799024|376014|11063799006|56012099006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 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)(23010399003)(36860700016)(7416014)(1800799024)(376014)(11063799006)(56012099006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 5RFE1f/DeK7mwJwWXfg9hmu1kl20MSZlXXQ+aDw6ruR+S1pwdXoZJmc95v3pBOoE2DQcus63ECoojUWrrB3WJkapIWvS72V03VXQ6jFt4WnzBDOdpBo7Xf/7IARkylY9a6SX2Pqf02ecHm/Mr6yF7dZnjK2gtmHiae+bOFsE6FRQ42Orhqr3dIAyj8H6bctovLbBV9ByZcwvFsliwu8JgkV9nOOLk9hxPUhf7F1haz2LTI1Y8032Euk0U1NZtNe/Awq+B/qLl+XEc3ShKzCmZjmI+ISxO+RdcPVXWAwMo7g8sQ8xWFD/lZKj1Dl38OBblD1jxl3OKU2s/4zqg2Frwtd2akls7ZrVvqMaeCH/nvJL7qwB3i8ilBn/nH7svaksFYjDi+hjuhEJZoTPTl0m+iCqkI/8O3L4tT26Mna+lA2nUSxb+jDRdjSgk+q0ywpk X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2026 11:41:18.3295 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e2e62a8b-15f3-460c-748f-08dec8778489 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: SJ1PEPF000023D8.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4403 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 8fa7e633451c..907ee83a722d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -4472,12 +4472,6 @@ 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 2fcccd329eb5..ee2fdefa1945 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