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Wed, 1 Apr 2026 11:50:48 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Simon Horman , Donald Hunter , Jiri Pirko , Jonathan Corbet , Shuah Khan , Saeed Mahameed , "Leon Romanovsky" , Tariq Toukan , Mark Bloch , Shuah Khan , Chuck Lever , "Matthieu Baerts (NGI0)" , Carolina Jubran , Or Har-Toov , Moshe Shemesh , Dragos Tatulea , Shahar Shitrit , Daniel Zahka , Jacob Keller , Cosmin Ratiu , Parav Pandit , Shay Drori , "Adithya Jayachandran" , Kees Cook , "Daniel Jurgens" , , , , , , Gal Pressman , Jiri Pirko Subject: [PATCH net-next V4 04/12] netdevsim: Add devlink port resource registration Date: Wed, 1 Apr 2026 21:49:39 +0300 Message-ID: <20260401184947.135205-5-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260401184947.135205-1-tariqt@nvidia.com> References: <20260401184947.135205-1-tariqt@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: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00001CE2:EE_|PH7PR12MB7966:EE_ X-MS-Office365-Filtering-Correlation-Id: 2bb60cfa-b64f-4365-51ab-08de901fa7fb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|36860700016|1800799024|82310400026|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 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)(7416014)(376014)(36860700016)(1800799024)(82310400026)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: rnl8CkxYxxR/9qSTEcwL9rvneN8aQD+W2vcwMTx313PLUgCeiirFyCGUZ4jw173OV7PZBfKp+lw0JnrIs7EVGUhkoHGSxmveM5LsRYdaPm9FygXMB5JZPJVDWe0Grpm7KYMeikkMOtdyDcA8sH5I+sECJZxP6mAFkXKZ/VM7jzpOxz/ZBrrwU/sKGWkGRL+7kLDScxmDCz99SDg1xDkO/YbsmvqqSGCw7dNXXglOmJ66e+wBPSwuXrfYNagt0MRr/PPqx5qscaXsvw0PvpxW1l7K1TXRpejEf3D+eY/5cIv8NYrOdoc+cjb3GBq8SkQ/9zlM0j9q+4BKHJMlZaFc1dISQrsFjPONuoHQ+4m20wMFfhfX+rfrkS30ghiTUfYNmmsvMKWDevZHRwSZv3xJ5u4iC7iO6vYYazCLUWHkjTKGjUJV1yDMmEdJ76d0jOAh X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Apr 2026 18:51:16.8522 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2bb60cfa-b64f-4365-51ab-08de901fa7fb 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: SJ1PEPF00001CE2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7966 Content-Type: text/plain; charset="utf-8" From: Or Har-Toov Register port-level resources for netdevsim ports to enable testing of the port resource infrastructure. Signed-off-by: Or Har-Toov Reviewed-by: Shay Drori Reviewed-by: Moshe Shemesh Reviewed-by: Jiri Pirko Signed-off-by: Tariq Toukan --- drivers/net/netdevsim/dev.c | 23 ++++++++++++++++++++++- drivers/net/netdevsim/netdevsim.h | 4 ++++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index e82de0fd3157..1e06e781c835 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -1486,9 +1486,25 @@ static int __nsim_dev_port_add(struct nsim_dev *nsim= _dev, enum nsim_dev_port_typ if (err) goto err_port_free; =20 + if (nsim_dev_port_is_pf(nsim_dev_port)) { + u64 parent_id =3D DEVLINK_RESOURCE_ID_PARENT_TOP; + struct devlink_resource_size_params params =3D { + .size_max =3D 100, + .size_granularity =3D 1, + .unit =3D DEVLINK_RESOURCE_UNIT_ENTRY + }; + + err =3D devl_port_resource_register(devlink_port, + "test_resource", 20, + NSIM_PORT_RESOURCE_TEST, + parent_id, ¶ms); + if (err) + goto err_dl_port_unregister; + } + err =3D nsim_dev_port_debugfs_init(nsim_dev, nsim_dev_port); if (err) - goto err_dl_port_unregister; + goto err_port_resource_unregister; =20 nsim_dev_port->ns =3D nsim_create(nsim_dev, nsim_dev_port, perm_addr); if (IS_ERR(nsim_dev_port->ns)) { @@ -1511,6 +1527,9 @@ static int __nsim_dev_port_add(struct nsim_dev *nsim_= dev, enum nsim_dev_port_typ nsim_destroy(nsim_dev_port->ns); err_port_debugfs_exit: nsim_dev_port_debugfs_exit(nsim_dev_port); +err_port_resource_unregister: + if (nsim_dev_port_is_pf(nsim_dev_port)) + devl_port_resources_unregister(devlink_port); err_dl_port_unregister: devl_port_unregister(devlink_port); err_port_free: @@ -1527,6 +1546,8 @@ static void __nsim_dev_port_del(struct nsim_dev_port = *nsim_dev_port) devl_rate_leaf_destroy(&nsim_dev_port->devlink_port); nsim_destroy(nsim_dev_port->ns); nsim_dev_port_debugfs_exit(nsim_dev_port); + if (nsim_dev_port_is_pf(nsim_dev_port)) + devl_port_resources_unregister(devlink_port); devl_port_unregister(devlink_port); kfree(nsim_dev_port); } diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netd= evsim.h index c904e14f6b3f..c7de53706ec4 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -224,6 +224,10 @@ enum nsim_resource_id { NSIM_RESOURCE_NEXTHOPS, }; =20 +enum nsim_port_resource_id { + NSIM_PORT_RESOURCE_TEST =3D 1, +}; + struct nsim_dev_health { struct devlink_health_reporter *empty_reporter; struct devlink_health_reporter *dummy_reporter; --=20 2.44.0