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Thu, 26 Feb 2026 14:20:07 -0800 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Donald Hunter , Jiri Pirko , Jonathan Corbet , Saeed Mahameed , "Leon Romanovsky" , Tariq Toukan , Mark Bloch , Shuah Khan , , , , , , Gal Pressman , Dragos Tatulea , Shay Drory , Jiri Pirko , Moshe Shemesh , Or Har-Toov Subject: [PATCH net-next V3 08/10] netdevsim: Add devlink port resource registration Date: Fri, 27 Feb 2026 00:19:14 +0200 Message-ID: <20260226221916.1800227-9-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260226221916.1800227-1-tariqt@nvidia.com> References: <20260226221916.1800227-1-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: BN2PEPF000055DA:EE_|DM6PR12MB4417:EE_ X-MS-Office365-Filtering-Correlation-Id: ad901de8-472c-4da5-263d-08de7585458e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|376014|1800799024|7416014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(376014)(1800799024)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: uLarJqLFBCAPVGRXWs6/u/rZPyWPtIpj72ZJjv4rjYRElcea9k59z96miOD6iSKZvgCw5bhv+rdWQufly2WcB1Bfk1cwFtKSMVlahTBsN68EDHr+KWlFw6ClEhREVbxqmI3bHBISwrpp020bn9Ds/1aZzX/2tvU1gcc+1R/5ZkY89psj/2/2nLpD4A79CnLw14+a1h3h4RoTjIbyPmtjBbpk3vrZPWmwPY0BKsON2SmJNuVIFvADS0NDDipDSWWII8Qma9i9vIxxShEwcNL1CAEr+Adw//Ix69P4XHxDYQvDSRF8dUrK7LTlOaMSHsqxsJl/ZGQcV5yAshUqgZo2Aaof9UpFbGSoZ6v2MaiOt8E9f7GJhJoQFmxMWMeUgyuS/6wb4dqTKeWqMiw+gJLoo7DWMy1DErcz8xSOhJklgKcdQYtbFAaM/udqt/ZA7Gfw X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2026 22:20:38.9068 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ad901de8-472c-4da5-263d-08de7585458e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055DA.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4417 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 f7b32446d3b8..80df3ffd1bc7 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -1487,9 +1487,25 @@ 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)) { @@ -1512,6 +1528,9 @@ 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: @@ -1528,6 +1547,8 @@ 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 f767fc8a7505..985530486184 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