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Thu, 12 Jun 2025 08:48:20 -0700 From: Mark Bloch To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet , "Andrew Lunn" , Simon Horman CC: , , , , Leon Romanovsky , "Jesper Dangaard Brouer" , Ilias Apalodimas , Richard Cochran , Alexei Starovoitov , Daniel Borkmann , John Fastabend , , , , , Dragos Tatulea , Mina Almasry , Mark Bloch Subject: [PATCH net-next v5 12/12] net/mlx5e: Add TX support for netmems Date: Thu, 12 Jun 2025 18:46:48 +0300 Message-ID: <20250612154648.1161201-13-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250612154648.1161201-1-mbloch@nvidia.com> References: <20250612154648.1161201-1-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: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD7B:EE_|CH2PR12MB9496:EE_ X-MS-Office365-Filtering-Correlation-Id: c522e589-4f01-4edd-3aae-08dda9c89e3c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|1800799024|7416014|82310400026|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?DOxzg3+8mhzAZG0Gd7EEJvzQAYkexC6cQ2aesOHWP3/XByr3geFc6lEqWi5w?= =?us-ascii?Q?mtQiGWkNam40BHSlRj/qZXDdStnNIfK5nv+r52xtit0Rqco1fXWwe9vmUvVo?= =?us-ascii?Q?/Teqj+uUVesaj4+CuaTYEzOh6w/LmNwcVm0dZxbxVyavqbklMCZ4cr7cJL0N?= =?us-ascii?Q?U3O+7jRsbOTNMOyDioyN+KOZgTr30HQ/AdYYfTHCFfwrR05aqUlHaS6w9Y37?= =?us-ascii?Q?7bP0ro8k1IXfAK61/2mey5KgD923BtojRp1dvwVoBzQq0ja6+Km/rJxawEr+?= =?us-ascii?Q?kZEjnaWM5R4wqYjG/mI5aI1h6t5OJYbJpGhlhZjPnW9wrkt6JuFBicer4j4Y?= =?us-ascii?Q?6yKDA0H1VuRyzP26Dl2mbPf7yLPIYkIxxYGrIjVPAB7yGYBx7Ri1DtIyM7/H?= =?us-ascii?Q?Q2VfiyyklEMqBf53/rirYOsICQEZ5YC3+wG04N7X7gLHYc4b3RRybOzCHLA6?= =?us-ascii?Q?v+ILSkCgNaNf2S+f5wcQ4bTl8Jnt0N8BpqmxD3x8eEA+Ym7cszcMCkjM1zqq?= =?us-ascii?Q?fsFx9xXCedOZhu/ExDMEPmsSoQ55xEg/McrMwkDGAA55QajZpmMkn0x9x6p2?= =?us-ascii?Q?z3qu+2jl7Y4GbQ099CyS7aj6kmj8mkMn0xmCq/KfQn/kIL0v7o5Ws84nd6hX?= =?us-ascii?Q?LxoiH7+MWeoF3hQVW2VG7CwvcRbrVfB+uDo7bqOjMNyhGAv24oRIb5KwTop8?= =?us-ascii?Q?AzWk3Uh0bCZeAYTd3YpWQy/JcQ2BAzW0nrZcBG6VktE+cb01ZHVbUCXrJPgs?= =?us-ascii?Q?PYlI3a++HaE1Frj96EzDQiSEId5VAjiiVS3SLe8QxGpNz9agmCfJOi27+2AG?= =?us-ascii?Q?0U58z9dIQyVLlvLLPKquWuZC8z+yNTdmOSULoajKmMbL3Lp0u5YfhyxMJgyi?= =?us-ascii?Q?oUncci/vGMRkkONMQ5MWRunLpHQpobjt+cNvpihQI46rbulJuR9l3uslpyZt?= =?us-ascii?Q?AP40iOdj9UVd7gj/ZiMHRdm8elxAfnj8G4c42z64DK9Dki5Ua/rx3ciFSqvM?= =?us-ascii?Q?AIc4QVycy/ofQzk3PlxqjiOPxbgQWlheko27MH4qoanD+YWX1f3STNzmohuk?= =?us-ascii?Q?bMM5JC+S/4LfD6nEYtRz9pnOiGhasoLez8eU4Hxv6H8O3h69kdcX5YB+f/CN?= =?us-ascii?Q?pDkxLxGDZ0WelGuaxlNzlYGEm74Hu8NLsKujqxntczd7lExmtsnhQ4+a/ovL?= =?us-ascii?Q?ufwyNhdoOz4mWytl4++DGPb14ZBFJ0XqAxbSBx8/l/TLGOH2RzQVu53/LIBN?= =?us-ascii?Q?fVG8xnREEPWX4r2zc5xjHhN0ggPGQrc1Ny5wDcEt6rFfzvnnJJIaH2p0yx5n?= =?us-ascii?Q?4kZHnkHrgvwJ8+eg2PA2sdIQz1bBVJDO2Xgr4wh8gTMnmKA6iomxRQH+jzKh?= =?us-ascii?Q?k104MXf3LPNgeyQvfgI2+GJzXQYcaXl+hTuM76hAU5V74SvZifJKEuUHr5Iz?= =?us-ascii?Q?SetfzFg5PAY2DdR0qFonVvKr7UskdjLDikZw7XF+EGwIevUegzbZgHUG1HJd?= =?us-ascii?Q?YBa+CcJXAbV+mY46+5pTXcAxahcZ2BxsUc4j?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(1800799024)(7416014)(82310400026)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2025 15:48:46.8201 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c522e589-4f01-4edd-3aae-08dda9c89e3c X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD7B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB9496 Content-Type: text/plain; charset="utf-8" From: Dragos Tatulea Declare netmem TX support in netdev. As required, use the netmem aware dma unmapping APIs for unmapping netmems in tx completion path. Signed-off-by: Dragos Tatulea Reviewed-by: Tariq Toukan Reviewed-by: Mina Almasry Signed-off-by: Mark Bloch --- drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h | 3 ++- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/ne= t/ethernet/mellanox/mlx5/core/en/txrx.h index e837c21d3d21..6501252359b0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -362,7 +362,8 @@ mlx5e_tx_dma_unmap(struct device *pdev, struct mlx5e_sq= _dma *dma) dma_unmap_single(pdev, dma->addr, dma->size, DMA_TO_DEVICE); break; case MLX5E_DMA_MAP_PAGE: - dma_unmap_page(pdev, dma->addr, dma->size, DMA_TO_DEVICE); + netmem_dma_unmap_page_attrs(pdev, dma->addr, dma->size, + DMA_TO_DEVICE, 0); break; default: WARN_ONCE(true, "mlx5e_tx_dma_unmap unknown DMA type!\n"); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/en_main.c index 1be149aca1e2..288a7c46d564 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5738,6 +5738,8 @@ static void mlx5e_build_nic_netdev(struct net_device = *netdev) =20 netdev->priv_flags |=3D IFF_UNICAST_FLT; =20 + netdev->netmem_tx =3D true; + netif_set_tso_max_size(netdev, GSO_MAX_SIZE); mlx5e_set_xdp_feature(netdev); mlx5e_set_netdev_dev_addr(netdev); --=20 2.34.1