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Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , , , , Gal Pressman , Dragos Tatulea , Moshe Shemesh , Nimrod Oren Subject: [PATCH net-next V2 1/3] net/mlx5: wire frag buf pools lifecycle hooks Date: Wed, 29 Apr 2026 23:14:27 +0300 Message-ID: <20260429201429.223809-2-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260429201429.223809-1-tariqt@nvidia.com> References: <20260429201429.223809-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709C:EE_|SA1PR12MB9548:EE_ X-MS-Office365-Filtering-Correlation-Id: 66b8f554-0e43-494b-2196-08dea62c17d1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700016|1800799024|22082099003|18002099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 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)(82310400026)(36860700016)(1800799024)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 0W7KKieYvfajsj2HcWMGd0g/tfCo4CvfFymMAJRilUUBufRkFfW1NeMJ25RfEPc3hObGSE62dGN9tY1r3lCRCLaDPtxi5K6CBl3fco9mZ/7NLciESNFJi3dpDK8Y1U5mH086izVhEI92n3h3KXHxDNxnrEEFczH3WFbj285zSv6pdtC3nDzFiWE7dybJ7B2V08J3XkwtU17Iht4bQ8m3UtDCW5bfHSZYQHicwo/gbflQWEjO0cSVBukfvTL9vM7Pa+TdV+MhhbgHuttAJvMSvyaL+7lCJGBz4OZrxRJVLjnczhyiEINfUzI6wXrjYSLAJls5GYl53UhxpqhYFSF94Rnlrd2MbqsOiupg9CiXk7J8QLjD6krsEJfqU2x8YFPfx0guAQl94Nvss/ZAgnWW118QJLplJlwttUdUpjwFUR5Hs2DZuc01f5JTuEfz07Fj X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Apr 2026 20:15:43.8567 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 66b8f554-0e43-494b-2196-08dea62c17d1 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: DS1PEPF0001709C.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB9548 From: Nimrod Oren Wire mlx5_frag_buf pools init/cleanup hooks into mlx5_mdev_init()/uninit() and the init unwind path. Keep temporary no-op stubs in alloc.c so lifecycle ordering is in place before the coherent DMA sub-page allocator implementation is added in follow-up patches. Signed-off-by: Nimrod Oren Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx5/core/alloc.c | 11 +++++++++++ drivers/net/ethernet/mellanox/mlx5/core/main.c | 7 +++++++ drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h | 2 ++ 3 files changed, 20 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c index 202feab1558a..cebb3559d2c9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c @@ -71,6 +71,17 @@ static void *mlx5_dma_zalloc_coherent_node(struct mlx5_core_dev *dev, return cpu_handle; } +/* Implemented later in the series */ +void mlx5_frag_buf_pools_cleanup(struct mlx5_core_dev *dev) +{ +} + +/* Implemented later in the series */ +int mlx5_frag_buf_pools_init(struct mlx5_core_dev *dev) +{ + return 0; +} + int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size, struct mlx5_frag_buf *buf, int node) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 74827e8ca125..b1b9ebfd3866 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1817,6 +1817,10 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) priv->dbg.dbg_root = debugfs_create_dir(dev_name(dev->device), mlx5_debugfs_root); + err = mlx5_frag_buf_pools_init(dev); + if (err) + goto err_frag_buf_pools_init; + INIT_LIST_HEAD(&priv->traps); err = mlx5_cmd_init(dev); @@ -1878,6 +1882,8 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) err_timeout_init: mlx5_cmd_cleanup(dev); err_cmd_init: + mlx5_frag_buf_pools_cleanup(dev); +err_frag_buf_pools_init: debugfs_remove(dev->priv.dbg.dbg_root); mutex_destroy(&priv->pgdir_mutex); mutex_destroy(&priv->alloc_mutex); @@ -1902,6 +1908,7 @@ void mlx5_mdev_uninit(struct mlx5_core_dev *dev) mlx5_health_cleanup(dev); mlx5_tout_cleanup(dev); mlx5_cmd_cleanup(dev); + mlx5_frag_buf_pools_cleanup(dev); debugfs_remove_recursive(dev->priv.dbg.dbg_root); mutex_destroy(&priv->pgdir_mutex); mutex_destroy(&priv->alloc_mutex); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index 1507e881d962..87f01c4e8d65 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -436,6 +436,8 @@ mlx5_sf_coredev_to_adev(struct mlx5_core_dev *mdev) int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx); void mlx5_mdev_uninit(struct mlx5_core_dev *dev); +int mlx5_frag_buf_pools_init(struct mlx5_core_dev *dev); +void mlx5_frag_buf_pools_cleanup(struct mlx5_core_dev *dev); int mlx5_init_one(struct mlx5_core_dev *dev); int mlx5_init_one_devl_locked(struct mlx5_core_dev *dev); void mlx5_uninit_one(struct mlx5_core_dev *dev); -- 2.44.0