From nobody Fri Oct 3 01:00:05 2025 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2074.outbound.protection.outlook.com [40.107.93.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1C56E326D62; Tue, 9 Sep 2025 10:15:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.74 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757412932; cv=fail; b=HmAERiFHczhVDiAMUd1Yq8ELFc1wdBxqHo3XwNqpxdHWJaD+w3OP3sPwKS03R/8OIQ46BPFmmvpnxuqolSZhO+chdS33BjBzSOEhRjwiZCNX8cSjPdIv5+5wZhCvWkEl4k1ARUkoXdZsqdQbdEQpt1MfUt5FskQuHeQQPoEcK5U= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757412932; c=relaxed/simple; bh=6wgXxMCvlabAWX0/oBrp4/JIfgN/fpkbock5Gs8RVYE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=tbERHzU2hR2GYd7REgCF+kDGqh+DS/f18oURg1Mzorl0uS8vS3e5/leMfKhitNSkZqwUbUs0HfMCT4pTvJmyFEEv13X6s1ORgt2jtGrw2StGVqRYVFOIlUvuJpvS5CyIE2Jsr0kgTar4nC9YgMSh1lTJS0Y7VI0Q4TMrkIrXFEo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=bs6AewBv; arc=fail smtp.client-ip=40.107.93.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="bs6AewBv" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=rQyARyhZBVA7RDsc1DNTcEeCM3jfBJiTU3uzmhtfJ2yUh1EyGM1WWcRDuWPiOhfOteKS1q5yQ/hmezvHxeA8fL32hOFlRWVVODOhvwdZp7mOBx3JvIeKdnaFUrEkjVSZstKBiQQZQBucWXSbn9eeG73BH0/hzc5gpKpdHfSbBf47Wx7Gdq9vZ8q4dIOcZ+yxMN0XTjaZ9guFyq+LEQaG1Rwf9WOrHwzptagczmfuS47y1B7WGGdORqKXHXkWn121yAquM/+0FCbOWaJFq8K2p4e6MxDixCMjuzWaDTfepgJPjS559+7knOwhz7UuT7bab1PuYurZ2U1lpECXfmGLdw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=zhH2r5Hbo3r/Gql8G3xXzWnV/+gRk8rWCHIHFCtTZmA=; b=xU6vvjt+97643gL7Q4V2BYNxjcoEfO0oaBxrdBCxxaNVqxRQKZ3vIrI7RGrymQpncgxerivdyFUwxhd2/+FhD6zkPlFVxbMKRH64VfiFtKO16n4O9OW/I4Eb8MVJBU6bFqnlcPbZzZI797JbywNGzWZxZ4FIWdQgtqnKxvjCc9/mNG7+u6eVoIXx/Q1eOkLZDGjMszWnIUYd7HTsQtthcWuM406Ug2TPnfSMg5adWiJ+b7wED/VWwS4lMOIntMXcc84rhBrF7RJqRQ+0zSPxcOwogpuvYXjskQ8oDeIdlDA8F583BHElsvI+/0nNHRnpuGpkv8Nvcxfej70TUXm8vQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.161) smtp.rcpttodomain=kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zhH2r5Hbo3r/Gql8G3xXzWnV/+gRk8rWCHIHFCtTZmA=; b=bs6AewBvjtUzUNcqjjr6xDSMW4H3xAiwjj/iJTsnRvGi7uX+WW/SVx6Ih6d02Rn1Jm6pkKzGBzVP6/mCYga6Sz/euqyHskNx2tKJ44kA8DiBRjGCjqKS+kAvhKRFGH91W97k4RQEYizvP4BtwG2qR8UErwWyxKjc8vVkakwps/AgwhkwX9YPuRAD8rg5gXH+KnLWlXVpnDvNnKGa66BClpwduPfE7FAQfrUTi5OiZAWT8UqH5n5JWah5ryHL0BKnaR5S5NtLyDiJa3sD8Ou7KZmqNaP9tQjtQmyQevdLfm2vF1pJ3ckMxP7EtnCAo223KkbMSHJoudeiohypKd4plQ== Received: from BL0PR0102CA0003.prod.exchangelabs.com (2603:10b6:207:18::16) by PH0PR12MB5647.namprd12.prod.outlook.com (2603:10b6:510:144::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9094.19; Tue, 9 Sep 2025 10:15:24 +0000 Received: from MN1PEPF0000ECD5.namprd02.prod.outlook.com (2603:10b6:207:18:cafe::f7) by BL0PR0102CA0003.outlook.office365.com (2603:10b6:207:18::16) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9115.15 via Frontend Transport; Tue, 9 Sep 2025 10:15:15 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.161) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by MN1PEPF0000ECD5.mail.protection.outlook.com (10.167.242.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9115.13 via Frontend Transport; Tue, 9 Sep 2025 10:15:24 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Tue, 9 Sep 2025 03:15:00 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Tue, 9 Sep 2025 03:14:59 -0700 Received: from fedora.mtl.labs.mlnx (10.127.8.11) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.1544.14 via Frontend Transport; Tue, 9 Sep 2025 03:14:55 -0700 From: Carolina Jubran To: Shuah Khan , Andrew Lunn , "David S . Miller" , Eric Dumazet , "Jakub Kicinski" , Paolo Abeni , Simon Horman CC: Gal Pressman , Tariq Toukan , "Cosmin Ratiu" , Nimrod Oren , Mark Bloch , , , Subject: [PATCH v2 net 1/2] selftests: drv-net: Fix and clarify TC bandwidth split in devlink_rate_tc_bw.py Date: Tue, 9 Sep 2025 13:13:52 +0300 Message-ID: <20250909101353.3778751-2-cjubran@nvidia.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250909101353.3778751-1-cjubran@nvidia.com> References: <20250909101353.3778751-1-cjubran@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: MN1PEPF0000ECD5:EE_|PH0PR12MB5647:EE_ X-MS-Office365-Filtering-Correlation-Id: fa719e32-7c5a-4ac7-e535-08ddef89ca67 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|82310400026|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?+dLF+ujQaVAfgmsql4HjJKYXEaXcYVWpquxxVeof3Ero+eVm8r2jVcMyOr5C?= =?us-ascii?Q?46yowEuD6cHtftxQzWPjI0oQU+Ql1zEzRXaeFin+ZtleaTINP7VfTrL0t3ev?= =?us-ascii?Q?NH0Tr7caTqhfZ53YuREZYVGHRouGuT348U4Xr0GJ9Uj6gChd4KsOSxfR8Lka?= =?us-ascii?Q?ndQzI+GJTrQa61MSUlcQUAY354P/zkoxGFPYpUMQDTyvnbp2EMvOfPLy/69J?= =?us-ascii?Q?aMnpWTuz1PrkvSl8FD5Z9yHaNr4kgAvTd1k17RpmlIN/9t/zq/GEOsc6q96a?= =?us-ascii?Q?TtM7JdRWCeUikH/0IJALg+OLznLjsUOAUgr/eeXSmMRWRLFO3DkhZK7E13/E?= =?us-ascii?Q?LPcYtzNIE+/SgNzgsFE3HicLHq6X9ZdO1bDoNt9wxumKislrrUKyw1ObrfvL?= =?us-ascii?Q?gEo0u+O2BJN2rflIvXV0JLB5l5RMDGaLNoMTLTYHNDjaGYiLmnFUclHL8Cvt?= =?us-ascii?Q?Uhdnit0rbTlCcElcwFH+ls+WVxQLQKGKduFP7SELbvMDArMr4l9EpzWVEPoX?= =?us-ascii?Q?IZ4NE3Aj1m6lXjVa/obcl3NAaE7KieVxIJU4mSxIXI4QQ2Wwd5iR8YimckS0?= =?us-ascii?Q?xdbtb+if7eNpgevIA3oBF/GIhyQRJI6sadqo+2Wmv4APKuhnFje6RipD0Zye?= =?us-ascii?Q?jxaX0+W5cPVCGtDSSAS+ZHsHlSrRdSRuZbTpFPwrbpXTeL4j/L7guXAuf8UW?= =?us-ascii?Q?namLlp5LgXZB65ZDPP/txOen5l8M+ovDEmyJjs0zu78OvgQW3wAhk9L9MKc9?= =?us-ascii?Q?ajI5ZPAPwA2t73Lx3+GT/rXrtVj+7N/s7ruwQ5nBhNVpUZRq+7zeKRIJmQ/B?= =?us-ascii?Q?j+0bcGuMZ3hRWyuj5vVQAH3rSd8iEWq9cAy+0x8l87y3qUTzW+hLDKRLpFnj?= =?us-ascii?Q?/0iTlGnhqqP76dQ9Ca4tro8n5IdP3EZLNidhONHMqwVIVPq8hhnAJd446gbU?= =?us-ascii?Q?0MHqvkEp1ePaPepFyF75vmWEILBIq2RuY/7DrbrasLJYH4f+lj8cVTy5pE//?= =?us-ascii?Q?+df5xUsd6N8TThC3le/APlkOQ578260hjrWzZcUg2lMP6QIK8wKDa3BCvTyz?= =?us-ascii?Q?tGidJ2pVRR2Vh7hj3hmAPTRHruzUwDPo0WLOeVVrpE0hy8pNq9Crzl74hJ28?= =?us-ascii?Q?ECi8mw49SUCA1dX0pS4GcB1ThlPZYpJ4qUhmohwRPDSkh/cnfPKjydaLGVQy?= =?us-ascii?Q?/VcZ5Kc5Us5gXcF1QV1BZRT53txGYsyqUJlgbvdu6qbjUzNgffTphxRGnArW?= =?us-ascii?Q?G268B9BQMJwlbQ6Oh4MkZg3mL/CmrbE8UmKvopvJ246ab+ocfHEzi3qHmeiC?= =?us-ascii?Q?xlzlI2nY+2f1YL1Lzkn+sh4D0NIvk+80vEokut7gaPAXeQTnvySDTbGDo3V5?= =?us-ascii?Q?9mJdfw/tQ5GLfSILTLQWKETEmtB9qXd5UCOmGbO0pxv9inBJ5g28FawWASGV?= =?us-ascii?Q?KCBc+RdHOLAnu+k+OEBe0kkP9dDfxZKSkftF/ZtOnRmDPCu7QOW7b/1RNyo4?= =?us-ascii?Q?Et1G9R2I+oWLWYc7OxDNKGf8YinpfzOWmm5V?= 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)(1800799024)(36860700013)(82310400026)(7416014)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Sep 2025 10:15:24.0590 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fa719e32-7c5a-4ac7-e535-08ddef89ca67 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: MN1PEPF0000ECD5.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5647 Content-Type: text/plain; charset="utf-8" Correct the documented bandwidth distribution between TC3 and TC4 from 80/20 to 20/80. Update test descriptions and printed messages to consistently reflect the intended split. Fixes: 23ca32e4ead4 ("selftests: drv-net: Add test for devlink-rate traffic= class bandwidth distribution") Tested-by: Carolina Jubran Signed-off-by: Carolina Jubran Reviewed-by: Cosmin Ratiu Reviewed-by: Nimrod Oren Reviewed-by: Simon Horman --- .../drivers/net/hw/devlink_rate_tc_bw.py | 26 +++++++++---------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/tools/testing/selftests/drivers/net/hw/devlink_rate_tc_bw.py b= /tools/testing/selftests/drivers/net/hw/devlink_rate_tc_bw.py index ead6784d1910..4da91e3292bf 100755 --- a/tools/testing/selftests/drivers/net/hw/devlink_rate_tc_bw.py +++ b/tools/testing/selftests/drivers/net/hw/devlink_rate_tc_bw.py @@ -21,21 +21,21 @@ Test Cases: ---------- 1. test_no_tc_mapping_bandwidth: - Verifies that without TC mapping, bandwidth is NOT distributed accord= ing to - the configured 80/20 split between TC4 and TC3 - - This test should fail if bandwidth matches the 80/20 split without TC + the configured 20/80 split between TC3 and TC4 + - This test should fail if bandwidth matches the 20/80 split without TC mapping - - Expected: Bandwidth should NOT be distributed as 80/20 + - Expected: Bandwidth should NOT be distributed as 20/80 =20 2. test_tc_mapping_bandwidth: - Configures TC mapping using mqprio qdisc - Verifies that with TC mapping, bandwidth IS distributed according to = the - configured 80/20 split between TC3 and TC4 - - Expected: Bandwidth should be distributed as 80/20 + configured 20/80 split between TC3 and TC4 + - Expected: Bandwidth should be distributed as 20/80 =20 Bandwidth Distribution: ---------------------- -- TC3 (VLAN 101): Configured for 80% of total bandwidth -- TC4 (VLAN 102): Configured for 20% of total bandwidth +- TC3 (VLAN 101): Configured for 20% of total bandwidth +- TC4 (VLAN 102): Configured for 80% of total bandwidth - Total bandwidth: 1Gbps - Tolerance: +-12% =20 @@ -413,10 +413,10 @@ def run_bandwidth_distribution_test(cfg, set_tc_mappi= ng): =20 def test_no_tc_mapping_bandwidth(cfg): """ - Verifies that bandwidth is not split 80/20 without traffic class mappi= ng. + Verifies that bandwidth is not split 20/80 without traffic class mappi= ng. """ - pass_bw_msg =3D "Bandwidth is NOT distributed as 80/20 without TC mapp= ing" - fail_bw_msg =3D "Bandwidth matched 80/20 split without TC mapping" + pass_bw_msg =3D "Bandwidth is NOT distributed as 20/80 without TC mapp= ing" + fail_bw_msg =3D "Bandwidth matched 20/80 split without TC mapping" is_mlx5 =3D "driver: mlx5" in ethtool(f"-i {cfg.ifname}").stdout =20 if run_bandwidth_distribution_test(cfg, set_tc_mapping=3DFalse): @@ -430,13 +430,13 @@ def test_no_tc_mapping_bandwidth(cfg): =20 def test_tc_mapping_bandwidth(cfg): """ - Verifies that bandwidth is correctly split 80/20 between TC3 and TC4 + Verifies that bandwidth is correctly split 20/80 between TC3 and TC4 when traffic class mapping is set. """ if run_bandwidth_distribution_test(cfg, set_tc_mapping=3DTrue): - ksft_pr("Bandwidth is distributed as 80/20 with TC mapping") + ksft_pr("Bandwidth is distributed as 20/80 with TC mapping") else: - raise KsftFailEx("Bandwidth did not match 80/20 split with TC mapp= ing") + raise KsftFailEx("Bandwidth did not match 20/80 split with TC mapp= ing") =20 =20 def main() -> None: --=20 2.38.1