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Tue, 10 Jun 2025 08:11:38 -0700 From: Mark Bloch To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet , "Andrew Lunn" CC: , , , , Leon Romanovsky , , , , Dragos Tatulea , "Mark Bloch" Subject: [PATCH net-next v4 11/11] net/mlx5e: Add TX support for netmems Date: Tue, 10 Jun 2025 18:09:50 +0300 Message-ID: <20250610150950.1094376-12-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250610150950.1094376-1-mbloch@nvidia.com> References: <20250610150950.1094376-1-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: CY4PEPF0000EE3B:EE_|CH3PR12MB9122:EE_ X-MS-Office365-Filtering-Correlation-Id: 84d915d0-5e27-4fee-34c0-08dda8312a88 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?CViv52GOH4oq7lfHZ+hqVyqYbw/NOXeAyrd7M3N5G6nhbwGYO/5i+HqQBHDc?= =?us-ascii?Q?XxUK0GWXHF/h7GkN8oXv1320wsxz7sKsAqexQzXRsDglUDPNydQlbpsSjkIv?= =?us-ascii?Q?mTy2O9eSE76pPxwHZ++/OY/sq8j0TW7NxaQS1J8QtjJgIfXFp7WlH2lJNbuS?= =?us-ascii?Q?VvC15ZmzVWd3OICpc3H4KpsfUS/dKBtBXlAMfpHuYW53lU3e5s7EYYsULuZW?= =?us-ascii?Q?GYgLUQNtJ0lgtuM7Y+RoTpMJPdvYqFsaGmMOgV4T3YtfPXMmsNgOCfm73gXS?= =?us-ascii?Q?CQMjPPCDqLwRyAxfU/ZbBn1WK1xA9OB1Wo4kvEBng6adLhr0B8g6Obr7/+GS?= =?us-ascii?Q?sX02g/Rts90n6O6OULE+y37d2wJBo3vHS9CE47BOuE/gMrDmOKZNuaubrvos?= =?us-ascii?Q?Xd3VTN5GxUysRWEhuxUQV/CG+loXzqchKWNl8rAfZMZlx/jFLz5T4JJcVvfH?= =?us-ascii?Q?cuUVBubOO1KMVtDDC8aRPxPyop5HGAq5+HQRCFcXubI1kkCq5Jd1+UO+utJO?= =?us-ascii?Q?aCvR2p7717mn1+nMK/ykvw3uDs5c1RKmpuQw+T4jHo2IjZyr79PZ7aEcjUwu?= =?us-ascii?Q?+F2pAy18UsVnK86lcBOq9NhlMUBDlDxzyzJMmpNOzF3HholyIXhiSarHVaLb?= =?us-ascii?Q?R7QgNroOyhn/zPP1wTAMtziyNo9veVhlPk/JQHCeMV0FUVd8sH2vZ41g1A0n?= =?us-ascii?Q?YUTpKzr1g8Z7m//jeorhDZUL+JknvL8WNxm8dFU3fcuUZixELhWhqfQTZXrO?= =?us-ascii?Q?PpknoDmZUu/lOmXvzLKYj81H0XsQqmXmaC3sfIWvB3/cNWQmmEpP35xHcPzK?= =?us-ascii?Q?P/ojWi7atSjJ8W6Ynb7l1LpTMhjaBW2yOYeAmjNdAivNXcG5PgJOLjptUgam?= =?us-ascii?Q?RBDJlDa0QCJODP5C1oLmKNY6z9FhYgcJt2tqEuorGcPPiqWzWZkq2FO4UWfJ?= =?us-ascii?Q?uvHnd9i1RUBAHo9gXOpXsX4OjUJyQPpt2FyTo8PVLBhS9y8tdnmRuhYmcHgb?= =?us-ascii?Q?h6U70Mk7MENixLlUpc/JxSncV7ptTIPggdWRPw4q2a5lCBiVvuoUSwQo1q9v?= =?us-ascii?Q?8pi39aRPzPKJ4Db1GGLH4sgYz00JPBFPh7Luq3ID+NdGP8pgnNido20XuZo7?= =?us-ascii?Q?LNOrxFlboWmSgIIQy/9JxxMir8UQwew139t9pElp6qzl59rjPtt4qgwQCwJP?= =?us-ascii?Q?tBxcgwE+s5YS6Xz1YR0/9zM2FnAUeAWPYw83YvNG+sYmWPnNig9yHqmsG70E?= =?us-ascii?Q?6jC2qhqitsl9zNZZlarBkiAbdAiA2FZC9TQRqIJUTK4eQnkWK3wpPQ/fEBG8?= =?us-ascii?Q?cP2bptwElgS/MUst4HXsPCSxdnRb+6plRwHgDplLww/TagyxHfqflJOb3GY7?= =?us-ascii?Q?p6m8Gz01AlRhGB5CYn3rLxok+T/h4gp/pj0TPUyaaJd1NL1cK0tCQ0cgtOFh?= =?us-ascii?Q?P+/Md//say9iVMiEmHPVeWIrPBCBX+Ck0dmhr1KnmtmtB7b13Bee/9OTXOWo?= =?us-ascii?Q?UEIJ+M2zzN8PiPaFfc679UPDzWybfxibRgN1?= 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)(82310400026)(36860700013)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jun 2025 15:12:07.5563 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 84d915d0-5e27-4fee-34c0-08dda8312a88 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: CY4PEPF0000EE3B.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9122 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 Signed-off-by: Mark Bloch Reviewed-by: Mina Almasry --- 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 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) =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