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Mon, 12 Jan 2026 09:37:16 -0800 From: Gal Pressman To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , CC: Shuah Khan , Willem de Bruijn , "Petr Machata" , Coco Li , , Gal Pressman , Nimrod Oren Subject: [PATCH net v2 1/2] selftests: drv-net: fix RPS mask handling in toeplitz test Date: Mon, 12 Jan 2026 19:37:14 +0200 Message-ID: <20260112173715.384843-2-gal@nvidia.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20260112173715.384843-1-gal@nvidia.com> References: <20260112173715.384843-1-gal@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: BL6PEPF00022574:EE_|DS7PR12MB9504:EE_ X-MS-Office365-Filtering-Correlation-Id: 26ef76bb-c881-4d45-bcc8-08de5201492b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?8pZsEWBqBfbyKYr4KDOAFqhpz8fMjLsVkcAEbYL0gh27nTrtw5IhH8mauGIq?= =?us-ascii?Q?RhiIZ/4o8hN25/ItpdIUVIxKWa4tClZIOYc43k5+6+A2uSAU9QlCJCKi/4SS?= =?us-ascii?Q?9WWtaC6KDdzLJOHmf+I8WMc7kJAMNrKNl6GmhlfGav7zuiKocGdFecADguK/?= =?us-ascii?Q?1412VHvZDJkKTHqrHImSjRnYcl/CyBYwNqvKGlUGhcYQHKsZGpYkoXYjic3F?= =?us-ascii?Q?nKhTC/EeiRY7qr9x+WfL69gia9r5loly5A/JZ/H2w0GAvJnRN71yA4HlCMNc?= =?us-ascii?Q?lZdKzgTeEfjOiaJO456poi3kwruzr2easTGT+OdlJGjedzWPC1MVrZ3hxZyi?= =?us-ascii?Q?1wUyeFNLmk/R10uK8XJ5UVl40mWDi3VZ2zvpYmEuw4uvWdDaodCrlr8cWxD4?= =?us-ascii?Q?IN/oRuEKk4wVQlvEGIfRcfRhKZttsRbhtnghjfMoQAqjX+NgPyDBpyZF4a3Y?= =?us-ascii?Q?qEk7CvObWHFkixeHHHUezSHw5t7yEs+ldRb/zYuRpw38l9jF+FaO7NUL22IT?= =?us-ascii?Q?8gpKScaG8nZMbn7syDzAnPGPFvBZ2YG6t8m1e6a5DnzegwdLj8dvOP57qqvF?= =?us-ascii?Q?xX5r3IRkRqTYDSJeavLaJA0IOZuSUlbq++LQKT6ym0PQYP8wcJpipRhFwq3d?= =?us-ascii?Q?b+SzW6AWlt4XSf86Ax8Qd5aAWpa6+o9lhcdD2dEXk0qcSdtPF66Z2r7aAQZZ?= =?us-ascii?Q?Pf5Yvrvr1Q8fctoAu5nZhkJfs+rR2zY8Y5zaAVYj8L6k1pzelXkNzWEDj8UR?= =?us-ascii?Q?voW5PkRCzAmOhks533lb54gez1/foCn9IyNvW7Nzgeyfb03nFsIwybU/8Fcv?= =?us-ascii?Q?1/bX07utrH7d94NHK7zUH/lt/XjgZyXVLb3yTm0Y+mDfNuaueM6ClYeeLiGb?= =?us-ascii?Q?PBCCBbHpSiP6dGbnsySXOV4Fr9SqZifXnFVLMhiOpgZn1zr/dnXq/+JI7tWB?= =?us-ascii?Q?rWXielfPHxuJq3vQ65+v2uZu5qBNz63Kg4I0Tgodreq0V5wM5+/WlkQdwhfR?= =?us-ascii?Q?PNsvQYmR5R4ZbqbzUJpnfaYIrRtIVPw6Lx3bwF4NE0XAU9gblHToY08H4CvM?= =?us-ascii?Q?C4QnWs4WcerxOnugSIG4PcugTaeRGyDCmdMUhZpG9rYhyLBN8GyZQuzJZUlQ?= =?us-ascii?Q?RDvhne2+vsXh0HkjmuNy51j5fHAv9I/OvjYtBF4liJ9prqg/TZDODWImiKZi?= =?us-ascii?Q?HbFu6rPpg3HNDOqL+vWWYEI8CdM4ejcuYxIdBysnc6WggI7rJeZ9pYh3TNQm?= =?us-ascii?Q?LJQ3TEf1KWWr+mr3o47G5SehQAmugCvu/3f6QbJk6BEJQ60pVRiXR2kYb8cH?= =?us-ascii?Q?fcY16FXqALGmyxVJLbVVFs7jxouWKvH/LQ28O940y5Es4dMU5DE2kM/IUA49?= =?us-ascii?Q?WQFEKGYm6z6epn+EFfkEHPVPrjsMztIhIjxVL/glTapFx2SJ8C69sXk1/DgS?= =?us-ascii?Q?LCoqfddcQ+eFfz2DPUGwsq6F5nU9ZsGQ0O3qEeq1iNrZ6EakL7KQU0dx4/+j?= =?us-ascii?Q?QGgmCsM1XdAAyQkIJMdHlwtL0KwTOK2pj1jl9bP0csexwmBaW4hPtCCLL17U?= =?us-ascii?Q?IOA5amlNCdH6bgydNIY=3D?= 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)(376014)(7416014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2026 17:37:40.7326 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 26ef76bb-c881-4d45-bcc8-08de5201492b 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: BL6PEPF00022574.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB9504 The toeplitz.py test passed the hex mask without "0x" prefix (e.g., "300" for CPUs 8,9). The toeplitz.c strtoul() call wrongly parsed this as decimal 300 (0x12c) instead of hex 0x300. Pass the prefixed mask to toeplitz.c, and the unprefixed one to sysfs. Fixes: 9cf9aa77a1f6 ("selftests: drv-net: hw: convert the Toeplitz test to Python") Reviewed-by: Nimrod Oren Signed-off-by: Gal Pressman Reviewed-by: Willem de Bruijn --- tools/testing/selftests/drivers/net/hw/toeplitz.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/drivers/net/hw/toeplitz.py b/tools/testing/selftests/drivers/net/hw/toeplitz.py index d2db5ee9e358..d288c57894f6 100755 --- a/tools/testing/selftests/drivers/net/hw/toeplitz.py +++ b/tools/testing/selftests/drivers/net/hw/toeplitz.py @@ -94,12 +94,14 @@ def _configure_rps(cfg, rps_cpus): mask = 0 for cpu in rps_cpus: mask |= (1 << cpu) - mask = hex(mask)[2:] + + mask = hex(mask) # Set RPS bitmap for all rx queues for rps_file in glob.glob(f"/sys/class/net/{cfg.ifname}/queues/rx-*/rps_cpus"): with open(rps_file, "w", encoding="utf-8") as fp: - fp.write(mask) + # sysfs expects hex without '0x' prefix, toeplitz.c needs the prefix + fp.write(mask[2:]) return mask -- 2.40.1