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Mon, 9 Jun 2025 08:00:02 -0700 From: Mark Bloch To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet , "Andrew Lunn" CC: , , , , Leon Romanovsky , Simon Horman , Richard Cochran , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , , , , , Dragos Tatulea , Mark Bloch Subject: [PATCH net-next v3 12/12] net/mlx5e: Add TX support for netmems Date: Mon, 9 Jun 2025 17:58:33 +0300 Message-ID: <20250609145833.990793-13-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250609145833.990793-1-mbloch@nvidia.com> References: <20250609145833.990793-1-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: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000044AA:EE_|SA0PR12MB4368:EE_ X-MS-Office365-Filtering-Correlation-Id: 343478b3-9961-4ce2-299e-08dda76660cf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|7416014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?cbMg/jOlADBlxvlM34hm+HK9sB9VFXbydyzOZmoI2od+hMRjqAvdrUEnSI2o?= =?us-ascii?Q?eIcZHvIjpwJoRmzV5mB7jj36WbwY3xNO9Glcd6xoAqNH7S54PaEiPz5emF/S?= =?us-ascii?Q?nMIZ7O9CszJAcDMbGjb1U3OwfUj2ObpAXQX5B5fZlhhT8B/RUHokC0T3hB/o?= =?us-ascii?Q?JB2hV67aOiATG8OYC2tfoB5SOxy21W/bQyCmYFhrtiUgoMmVnSVD/qA+abfI?= =?us-ascii?Q?D2fO+erDb5qtSYagA8yn+m477j6EfD2KEIw5c2swVKhjOEKOCIbiJpxeCoch?= =?us-ascii?Q?MblxqyBRtLC1N5eJBi1XNvBGydXuslfOzLYkD5nF2/XVnYIX7E8Lf6C5gkht?= =?us-ascii?Q?l05hVHmt7decrGuuwJUIVTxqONctLiKkROwzvUa8TbpLMWpRaHXoN4H/F2W2?= =?us-ascii?Q?ym7+llCRDR8Pzy0GGWf55Iajlov1M74CqTIBBAmZikhYI2p6/3Ru3fNNOPiM?= =?us-ascii?Q?Zq+t9srWGAxCvUcw1+P1cxm6B9QAzNeWBFFA1hkL96014OuFRGsOouKkzA+s?= =?us-ascii?Q?U3Cz5CFBryKA5CRElcaqMD1F/UneEbev1Dj0MoY3NDMhgNU83j20irLSnbSD?= =?us-ascii?Q?SRMO/ubmSXda5cXIslHXf9XtgiXj31eAKYaLdK2FXDQOLKYLA6O0ngLhpdSv?= =?us-ascii?Q?yYCIpYoJjFpT7aaIaLBNnxmmcegxaa2gu2KsyeWF4xWz/HaSiIhT62EJq8wq?= =?us-ascii?Q?+iuuccsXIOy8qpQ6Ak4f4gtu0Uu3CDvCNPeQinqUSMI5i4vwAhqOyci2OC8S?= =?us-ascii?Q?2Y5fSIvfTvWK1gF6sQo18SnHwZ2o8UBAltA/2yjnssg9GdKwxmqS209vpSzO?= =?us-ascii?Q?bn1u+rHeZz/z4i6+QXAp96/aTer3xXRsacl9VPM6fRdWmT43VFH0hDmL2BEd?= =?us-ascii?Q?x2/aI19cDTJqlwCYmrNa2TBwA1qDc81mm4BUHl3QNg9/VGRmCJPYkMzJjmW3?= =?us-ascii?Q?aCHP7p9KQwN+c4RUQEkmbVQr3KigGZMGPOrlwsWgcvYQ3qofouck+AOiUMgL?= =?us-ascii?Q?J3DeDobPid7ZS+KxAVqVN1OCHAorPNsfM3BDYZUdUSJ2gLmv8IQ0pkQEBmAl?= =?us-ascii?Q?xXhJ3dYqCMRoOI2P9LNXQx2q3ikKlV1QHUD4WTbhrLgfQgS3cjQutxwm/oqp?= =?us-ascii?Q?0IWYAon4nloqw4VCHqid7ufDk0GHbHDhxdAX4hD1NX6xjetvN4harqOR4MQT?= =?us-ascii?Q?xCuBlNRlqEACYV1xW7BuNon5rIANxnjh/37x5S1vtPxk0XmN5Ea7vZbQyPkG?= =?us-ascii?Q?WpnPAYs1KyEILIWZlXA+InRIwKAkvOmAFwb9qIYFgrQJ0uSQbJhc2Pngdvw4?= =?us-ascii?Q?IfXNTVQMhXGaYUz7rVEedyewHr6Tcf4cADzlAZbueVJHOulZ7lt5q6FQQmGa?= =?us-ascii?Q?0+U9/zfqRc5v56rcp/Moe7NqJahK85F1iTifqPoCavmkPp/mPtKfIf/LRH3h?= =?us-ascii?Q?3UOqI+FDKxJVkTDM4EE9pzKy13NA6CcsUYZwtL3pJog8X0wckBiDfJBBQIYd?= =?us-ascii?Q?w/5U9dCTccECnDP96BJl82W7GBLJzTo1sG/W?= 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)(376014)(1800799024)(7416014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2025 15:00:30.7259 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 343478b3-9961-4ce2-299e-08dda76660cf 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: BN2PEPF000044AA.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4368 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 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/net/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/net/ethernet/mellanox/mlx5/core/en_main.c index 026bd479c6dd..1f2973e82733 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -5740,6 +5740,8 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) netdev->priv_flags |= IFF_UNICAST_FLT; + netdev->netmem_tx = true; + netif_set_tso_max_size(netdev, GSO_MAX_SIZE); mlx5e_set_xdp_feature(netdev); mlx5e_set_netdev_dev_addr(netdev); -- 2.34.1