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Sun, 17 May 2026 04:27:05 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Jiri Pirko , Simon Horman , "Jonathan Corbet" , Shuah Khan , "Saeed Mahameed" , Leon Romanovsky , Tariq Toukan , Mark Bloch , Vlad Dumitrescu , Aleksandr Loktionov , Daniel Zahka , "David Ahern" , Nikolay Aleksandrov , , , , , Gal Pressman , Dragos Tatulea , Jiri Pirko Subject: [PATCH net-next 0/2] devlink: add generic max_sfs parameter and mlx5 support Date: Sun, 17 May 2026 14:26:58 +0300 Message-ID: <20260517112700.343575-1-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 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: BL6PEPF0002256E:EE_|LV8PR12MB9271:EE_ X-MS-Office365-Filtering-Correlation-Id: e2f64013-678d-4f65-65c5-08deb4074050 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|82310400026|36860700016|1800799024|56012099003|18002099003|11063799003; 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)(7416014)(376014)(82310400026)(36860700016)(1800799024)(56012099003)(18002099003)(11063799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: GnPOx4Sr6i9BVECdF61xBPI6kqUFYIAI0fayFvVVUrEoevgenO8qMsbwYkYfy5HrSf6BLwgHm0IKahjfebuGDgFFVFBDNKQoamzOLLanpNOVrR79O69HGYre7TB6KDLKgIZgGNvDlJsZUG183SxzO8NeqdShcHgnOxR4vDnkUN9xCdmdlfuLmIgZmQ8o/gyeA6JguGFidgW0UieZSOMqSHgfHlgUIb1O8viUIKn99YeosSnLnOBKv/Wrs9UhpdMN0a/ZUXNc1Qi1a1zHIW06M7CPG0vhyHpx1Y3y4Sr3bOM6xhRcXFfhZz7ftaiG0F/xhtTfRZSKWN0BA4kfZ9+8juuWnzwhfvniQfz2Z6YwZen2RQRBqLcpeKNNIM/4tUeOTErj4/jV50RmyGJ1fy9U6yBMP7Lr2n+EMMaBrRyZdBms1f1JI7XlDod4uzOMNlKe X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 May 2026 11:27:16.8198 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e2f64013-678d-4f65-65c5-08deb4074050 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: BL6PEPF0002256E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9271 Hi, This series by Nikolay introduces a new generic devlink device parameter, max_sfs, to control the number of light-weight NIC subfunctions (SFs) that can be created on a device. The first patch adds the generic devlink parameter and infrastructure support. The second patch implements support for the parameter in the mlx5 driver. With this addition, users can enable or disable SF creation directly via devlink, without relying on external vendor-specific tools. Regards, Tariq Nikolay Aleksandrov (2): devlink: add generic device max_sfs parameter net/mlx5: implement max_sfs parameter .../networking/devlink/devlink-params.rst | 6 ++ Documentation/networking/devlink/mlx5.rst | 7 +- .../mellanox/mlx5/core/lib/nv_param.c | 83 ++++++++++++++++++- include/net/devlink.h | 4 + net/devlink/param.c | 5 ++ 5 files changed, 101 insertions(+), 4 deletions(-) base-commit: 627ac78f2741e2ebd2225e2e953b6964a8a9182f -- 2.44.0