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Wed, 7 Jan 2026 01:18:59 -0800 From: Mark Bloch To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Tariq Toukan , "Mark Bloch" , Leon Romanovsky , , , , Gal Pressman , Cosmin Ratiu Subject: [PATCH net-next 2/3] net/mlx5e: TSO for UDP over GRE over vlan packets Date: Wed, 7 Jan 2026 11:18:47 +0200 Message-ID: <20260107091848.621884-3-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260107091848.621884-1-mbloch@nvidia.com> References: <20260107091848.621884-1-mbloch@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000044A5:EE_|DM6PR12MB4372:EE_ X-MS-Office365-Filtering-Correlation-Id: fe2c5806-6053-4838-7866-08de4dcdd79d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?BHsZ0zkBfTPuGN2ZG4ZCXRjhjXcBqy/I9Tq7EYu0BQlApRLf8kq2jX6yBRh8?= =?us-ascii?Q?hdEcZa9Ya6SHcFloc+T+vQ+lzexQxxhpwtJAi3xUwTq1H+z5hxn1I4xTY7z3?= =?us-ascii?Q?Pr0nG4kfRzSr5mF+nkKOd6u2NvlelRI5Q9uXD1nS3C/qf8SQj75blPYEsRO5?= =?us-ascii?Q?P++HbUR2Fj3xt3nRuIY7nbmyx7D2jU8NgtBNcI+ckB2cLHWQpF1PS802Qcla?= =?us-ascii?Q?2ZO5NK0y9argiXRpRW3Qp/wNn2GJEYPel3d1wqF9U+skk1x6Xjs3528qV6NG?= =?us-ascii?Q?QaJ3aLo5JNaX5yfujuH9vgc7dMCk7GEG5eHa8UthWxrOSgLQPHvL4zib4i3N?= =?us-ascii?Q?S5/uhehtLhZmvOhdlE3ZgvWvSpse/Wb96e1+xYDJNt/aZVlCxXfSAQr5VFqx?= =?us-ascii?Q?wMC0mbIAQ/gqEFgUqYkoNB7qv1F5eoNPGN+6x+s+zddzxCoqfn7MywRMNuFy?= =?us-ascii?Q?mILg7STUQ4TlRE2vjbKNOlE2K6tmRLD6Nkg7QU0JsQH/tXAATV5ejMGFhD33?= =?us-ascii?Q?JAdTkS56fDEF+IkfmPvRq5287uAK4uR/13ymQD5lbjl3nnkhs7kwjz8CPwpF?= =?us-ascii?Q?uaYX9LEj6lOvkJzH5Goc0EtfWKzJHQM934pWukkR3U0po6kgcqmC9sdVf7a7?= =?us-ascii?Q?MNTrjaeNzkSNZT9I/nPZr0oHeA4GKwTGLBs17aHrVzMI37MuwfZxmFn6qLbD?= =?us-ascii?Q?ukgK0psxqCvCM6v/EmveuMOMUVmjJ3pGjCNdDNHLSAb6m4kxhh+CzdolNJmy?= =?us-ascii?Q?TY7xmBvxxRcfhWvrJiZrcZNXSnQT+Tzkb4/yw4dUaK/Jwe9G4qZYVZLsCAsZ?= =?us-ascii?Q?V5kBB82UUrN957G4N7mjBbdhpKscaiQ0/gjk4RF7wgWMPRAvs4vwnRnHKCRQ?= =?us-ascii?Q?aX3xZOYA2lQx/4U3Pf34/chiYb/qItcQ0/AUhFRZRsHQ9YdE/OE9bA18i+Pj?= =?us-ascii?Q?5nxXDsMQSJDcZfuSXn6u++focoJrLIa8kgffYx4C7YZWXMWSXQX05jqOW1Y3?= =?us-ascii?Q?Pya2gGO8eqkg2b4liTJtOviZlO9Km8DB+KxoONJIqpF1Umoyak1muy+kX3TX?= =?us-ascii?Q?IErCHX+HClr6pr9soj4sFqb3XQ2NLiVPJGNGncgdqKVj4cmBmL64KCDfkEJ7?= =?us-ascii?Q?BaqRUxxA6gCX2K0kDJGolGEucP62DznsDvGJTIIJOjQKhcukHbIvRbiJfOdO?= =?us-ascii?Q?LXqww+n9CA+83/rJx2uuVnXVwHtSfXHVYYcG7wO5QhkKNKUhYJZb+W+psU40?= =?us-ascii?Q?doCTleVr3CeW/qmWWstisc4HVuL74iYTs2oF6HgPg9fKRcQbTWZDPO7slq0/?= =?us-ascii?Q?OvzHkRpoTRAgpS+988ciTjfy9xy7e4ivMxle1h7b5CtYSC8H4ZMr5yjk+ItH?= =?us-ascii?Q?zNCselZoQzwMapPoe30rV4VZlPGTqTRE279LnCHMSiVBcLJQhbQAd/B/MNGf?= =?us-ascii?Q?mTZ/q9eegP7izXEJp+0fAP+/LylXLHBPfsD5oYfBvJqXk9F6H85+fpCiw6mo?= =?us-ascii?Q?uCLLlPeqQL7S53BMob9/EaxvM2RSqPlUHTtqU1YqRmQzs/VeFtbGwscGT0V9?= =?us-ascii?Q?zVswmzGU4Qj2hksw8aA=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jan 2026 09:19:21.2580 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fe2c5806-6053-4838-7866-08de4dcdd79d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000044A5.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4372 Content-Type: text/plain; charset="utf-8" From: Gal Pressman The hardware supports segmentation offload of UDP over GRE over vlan packets, allow it by adding NETIF_F_GSO_UDP_L4 to hw_enc_features which will make the vlan device inherit it to its own hw_enc_features. Side note: it is quite confusing that this change wasn't needed to offload encapsulated UDP packets regardless of vlan, but that's the way that the stack handles gso partial features, it assumes they're supported without caring if the feature is supported in hw_enc_features. Signed-off-by: Gal Pressman Reviewed-by: Cosmin Ratiu Reviewed-by: Tariq Toukan Signed-off-by: Mark Bloch --- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/en_main.c index 1734c4dd1d0f..ce71a03a9b71 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5814,6 +5814,7 @@ static void mlx5e_build_nic_netdev(struct net_device = *netdev) =20 netdev->gso_partial_features |=3D NETIF_F_GSO_UDP_L4; netdev->hw_features |=3D NETIF_F_GSO_UDP_L4; + netdev->hw_enc_features |=3D NETIF_F_GSO_UDP_L4; =20 mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); =20 --=20 2.34.1