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Mon, 16 Jun 2025 07:16:13 -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 , Stanislav Fomichev , , , , , Dragos Tatulea , Mina Almasry , Mark Bloch Subject: [PATCH net-next v6 12/12] net/mlx5e: Add TX support for netmems Date: Mon, 16 Jun 2025 17:14:41 +0300 Message-ID: <20250616141441.1243044-13-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250616141441.1243044-1-mbloch@nvidia.com> References: <20250616141441.1243044-1-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: CH3PEPF0000000A:EE_|DS4PR12MB9747:EE_ X-MS-Office365-Filtering-Correlation-Id: 4ea35797-476e-45fd-d7b8-08ddace06588 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?uqJjo/0xgkneHVF6c7GOatwakpaLtVaYe5b7y7msxVI0yV3wk1zUBbxR/Qum?= =?us-ascii?Q?U9dnNlzHTqIPHfa4lj9WqhNxvHGqsBIWI7gIU2ixrphALMV4Z4W6PUZbaSDF?= =?us-ascii?Q?Zo4HrH9jPLwk9XCU7xjCdu7dRdVf5640tIdQlXxO6vXSdmktBkjCl7GluEz5?= =?us-ascii?Q?ia7TQinb7FDw5yqadLbqMAJo/CwGU+EMGpr1RDaZiXPbvuUCzXk7i+nBTFsd?= =?us-ascii?Q?8wCqWoQ+BtOywpwkuNDHQQrPP8boJRhldRq0eCf4+u+ShbSz8O96MALQ4dxJ?= =?us-ascii?Q?v7hzBzmF7b4VOEVKwjRJnhiv6F8q7i9J3GjwMR/liT8kYdpa24MrSbymYDtH?= =?us-ascii?Q?jkJrz61ZZkOkeB6FcKPszZBvJEavE+yQMdTCEPO6jvuoxwHqL0/OfhSlVnK1?= =?us-ascii?Q?2NZRnzNRO36VqkjXXMkdvpNTMgF2RXjv1KPa1VohXZkFdb9MQRcR+8t72Ten?= =?us-ascii?Q?teJVIm8oqz3o3wjehVZKdlDHq1Qo84Adrr9l5Qdjr+jf02x9MtoNtj1Dwf4x?= =?us-ascii?Q?Go9zB9s9on/hUFZC0Y9Sq+i1PdbnMAK3pFDUK9jPgbNhHgg0B6+J0NaqZ/ie?= =?us-ascii?Q?eGki4k+tf2zqsPzwVRgmx62ALZHWJiWIrk1MihEl9G1DTuNPVHidPwBbBMsC?= =?us-ascii?Q?cAkQp6nW1d4/wdExCb6/XzRZ8565urcQOjQJFlEfToNIc0cZe+jJxLkgDwEu?= =?us-ascii?Q?ZCWmwadlxM85ekwOf6yu3YnZGBoX5DwZ+yaj/bffFWS4smGO2ItN3DRigb1n?= =?us-ascii?Q?FemHYmcG9W0Zb7TxZoRelWpP0VmeFuFt0YBDwN9AmaNf7LzgiuaPYG8TXNb2?= =?us-ascii?Q?LRBc5KS9cLc78ishZ2VD8qxcot0/awcszOwlyew2I/sogsRIqAQBeI9cP/4J?= =?us-ascii?Q?XVwRY6Vt4H3g4sMwnvPnL/w/S0EeRXr5ToYuMuw1r+Z46ztA+ef/3hZ0GEat?= =?us-ascii?Q?XUo87Qxp/jTXEbv9keYbzFuRNwe7vuaE6FDPcSukVh8Vo7iIJlth9nfvF4pb?= =?us-ascii?Q?MgpC8WCg0rF1cZoKhw7lNkNszT8HBsgKNoSNzA1eOguuqj4vMJ45HS1lRTKM?= =?us-ascii?Q?WDxoHYsMMHYTiOczjIK0+jXcn2AISehfXK1mkGXB1MUfFgYxLiKt5GjX5A50?= =?us-ascii?Q?HI9n/IXyF5rxbCGHbaOXIkj+oV+PqieJET7auMN0kdnxABIqAftvNveMdsYn?= =?us-ascii?Q?CzObIL5/8+gVBWqnNFgNK5ry+LYjCjgCXpKMbDqCI/JaRPzoicyF6RapsQmL?= =?us-ascii?Q?9sjsVA+WTeGf0owJ/fo2+Stuyuuy08Evl7p4Tw/HQU133UP8XfSpok7KcD8b?= =?us-ascii?Q?oZa1VKdp3GOPZzEBugl7TLAUc3A/TxMBHs1p9AfQPblnp2KtCcLLN0ENyddV?= =?us-ascii?Q?I0vNjX7tqVF/fOiv7MW7dPsU2jWDnS01SoT/rM36qXzD2S4/0tv2gjha8Stl?= =?us-ascii?Q?KIKeZbQJEJ7olVsrfwOLdZPgUPABFQBWZ96YLwP1tXyPXxNW8j/GxR/GqMKl?= =?us-ascii?Q?NUkPcvFSkkW+hOyDcduMvmEduLGl/3VWiYCJ?= 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)(36860700013)(82310400026)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jun 2025 14:16:33.0850 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4ea35797-476e-45fd-d7b8-08ddace06588 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: CH3PEPF0000000A.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9747 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 b4df62b58292..24559cbcbfc2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5741,6 +5741,8 @@ 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