From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from MW6PR02CU001.outbound.protection.outlook.com (mail-westus2azon11012001.outbound.protection.outlook.com [52.101.48.1]) (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 027D36BFCE; Wed, 11 Feb 2026 08:30:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.48.1 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770798630; cv=fail; b=TUl84fiBjAjMdCbJiwt0N9BbfkGbRsWWT6bsxNGk9ehtDu5QT58R3HtM0zZDbwRZTFuDcocD1HBoXl5CXAlVhcIRuTsY3t4cziza+IpXabMwVjTv6er1wkuE+RcmPpnPW1Nv+5TWcRzjRk1wH43f4f8uzr32Uxzhbn4Sa7euJhY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770798630; c=relaxed/simple; bh=zDoIvnfbUvZBJBDIRy/pd2tNdjkwziLOHQhc1Yd8yxo=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=RnhFQKCAr1oTAmL+2GvWZ7bMqN8eLfM+QTdtjIdURA3xXCYbP1XePB2GOtR4bP4GHOZyR/F8lqIlee9GMsu5EjqXnwnQrQvIbuat68lt50Iz3weDV28y4cPt99K1s4UJCxqJkIpD0NWFqnOQFFJhLa/b18LpEZLf0q4f7Ier0VQ= 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=bjOZcs23; arc=fail smtp.client-ip=52.101.48.1 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="bjOZcs23" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ILZ8a0sxF7Nhk9dX/2fW+KwM1SbDEPaGj1UtAApy814pTC+9O9QtLLQhRaZ721j+oxYuT3hyBx7AYD+lZaQGK15JvH46BJ3n2p8QcnAUbK1n72b3/r8Gput6bKRIqn+sggahwjl/YjWhyo4zm4rB7mug4DM/mFhsbYuLSOoikfGk14iqOMjCAkYuDkSE+W+hDlwCE6UQyevs7TIvgIZ7G1ChYdCQlLfNVrjAG0C+Ee40shORedeThfVyHz3hRv9a27WogE4hvVuSRgLXUuQFTWOXRHrHcwir6/PhaWhuVNnHsOlPipo+yjaYLkodlx7UO2ZpZVKWYBMtKILQ2w2nHg== 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=QhZbI1ppXovNN7J0AKRIVVn4vf2CYgUNGLkvMJGqmfo=; b=IUP4HHoKcAcvmBmJttTd2y55rspPnf6OFll2ZOoOmSn4aEAMlskjmzK6uZ6YkbVx8A19xuAfZsl79d9NcpZBLsEC0EqjU9rWAbankdmWnamL7B4yRW7495XJe/h9pHBWF6jYWZf/Bn8lt2z355FCbjIFwAGXEaobMbYcIRGyQbWOYyQ8+B3wZEo7Ze/afGpXSNMnXY84Uxp6WmRc9spmUIjAxO0NqMzN9Ix3viUR2YEbiPVtTZUJEvZXaaxsQb160YWF31WyUuxyl1FxLsTMx5j8nMKcV/3C8wgSj7K5vSy9Mw7UZCxyytjTqfRQVq96XZcikntOtAmFiZ3C0Dn2rA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none 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=QhZbI1ppXovNN7J0AKRIVVn4vf2CYgUNGLkvMJGqmfo=; b=bjOZcs23374rH34LTbDjNalKNnngxNuV5xFJGoqHVyPYFm2ludN9tby4ShD/BZktyPUfULFMjJ/dWj1fIm3PI7avq3UaEWbbis3F5eDy3DrQx5ac5CXBqgtQDMfIyQexi0dnIdMdlUKlGxxKuEASnv0ZO3a+oDpDYIEkXElYq6vlssw2Zqu9pClK5Lgf2eP7O6TRpgNm2Q/9TAXbQlv2rTGMHe1OWsnyvgOCMnnyGR+jVf041BLszS27En9qASMRuvAIYddwTmtBlhpOL+kcJeDaMcMnJgMLF343xTbjoNQZEb1PEEr37XQuRrGjXNsnLbdsOI1+3qTZunAq6apaqw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) by PH7PR12MB7236.namprd12.prod.outlook.com (2603:10b6:510:207::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9587.18; Wed, 11 Feb 2026 08:30:20 +0000 Received: from SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2]) by SA3PR12MB7901.namprd12.prod.outlook.com ([fe80::6f7f:5844:f0f7:acc2%2]) with mapi id 15.20.9587.016; Wed, 11 Feb 2026 08:30:20 +0000 Date: Wed, 11 Feb 2026 10:29:50 +0200 From: Ido Schimmel To: Aleksei Oladko Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Petr Machata , Amit Cohen , netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] selftests: forwarding: vxlan_bridge_1d: fix test failure with br_netfilter enabled Message-ID: <20260211082950.GA481121@shredder> References: <20260210185129.480015-1-aleksey.oladko@virtuozzo.com> <20260210185129.480015-2-aleksey.oladko@virtuozzo.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260210185129.480015-2-aleksey.oladko@virtuozzo.com> X-ClientProxiedBy: FR0P281CA0090.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:1e::15) To SA3PR12MB7901.namprd12.prod.outlook.com (2603:10b6:806:306::12) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA3PR12MB7901:EE_|PH7PR12MB7236:EE_ X-MS-Office365-Filtering-Correlation-Id: b6db4122-a49e-443a-241b-08de6947cb31 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?67Taa5lfswBd1ob45x7fT2fkJ9f2ubwzaD9jmAUKy1ksmvD5VujQzU6gQj6a?= =?us-ascii?Q?8roGkg4Ebqe5+BneTBZKkGlbcWxXzsxiLBo/2DdO8M4iSv17UCVxvTnqeHdw?= =?us-ascii?Q?WGnlGYeazYlzOUpzGdMIUHGQJ1smCs9CKbYUtOPodmAOlMc4MAtcx4vX9AA2?= =?us-ascii?Q?C4z3/Aq6QOexUeNzSam/0H+Ryen5RuGOYXJCmQ/4HnmpG91Iwhb79zdGCkRL?= =?us-ascii?Q?vrfUpBCGV/prH9irQlzohuxAqoR12AGEsSHBSw+EWM9IV3N59Ps9yjwdOTN3?= =?us-ascii?Q?17WLc+xVheUIs68wR1GQc8Jlkr+jjTaTjmv5Pin5i+FbP7v/BT2s3YME93dv?= =?us-ascii?Q?IrfaX56YocbZ3cuBDX6LMtyhTFhis5sybBKs1ywraXzmXjz6J21lG76nj/Ll?= =?us-ascii?Q?ztRQ+0ZEdPnTEsaDIDsDADgjXPsPxBreBcyzpiILkJ7xWnLTYtShy5HWA/5D?= =?us-ascii?Q?xccqa5PeYw3QkcxGO0GYueNVjU3YyVXUwbS7p1mLXXHwGtBGgGx9FFysdhDX?= =?us-ascii?Q?ahH0OpKkztkr3Y4y2UTzuWWeTyjhir8LSUYEb6pqiSFNkb7E4feyvm9xUhMp?= =?us-ascii?Q?8To5LCGthHzdWsHAWwPhQSDxrzebAs4U81zfx5scrURg3UIhIYNT67Tsf0Wg?= =?us-ascii?Q?LVnXPXLdUVClzU+QUZ66O8d+pS5ksiupDZj5/pQralSgkqfTawZwvXwbKqUq?= =?us-ascii?Q?Dq9gOf6otthclP5u/lyYg4tth/+E4HUjw7ARXPoMshKSUUINY0yd/poqr8bk?= =?us-ascii?Q?c/bayvThQ8TwLp328YcAhIUwE6J8EbJBd+Q+pGCLXXswaRe18ltLwYZxA32t?= =?us-ascii?Q?93F8UzYKf9OShgWvTKDaKSzWn62oW8gI4YVrCy9iyLVcO1nbSy8Ib8uu4w0I?= =?us-ascii?Q?GUzPvVJ/Agg9LwWMsW+DBCKr2RcRhL0RQMs0I5+5Cr5vg80rpGaxWHulRN7L?= =?us-ascii?Q?/ebF2nbJGaFN1U0wZovC7ku9JtNq1dHCoNTlNWyFurlV+wGD+rHjFt/vbppQ?= =?us-ascii?Q?xGaHDe9hDOFe8pFhP3Y/ArRXEMMpvNnyJaWdLfdhhPWdvwlQzZLwxdNplsrx?= =?us-ascii?Q?BFpHUsz+E3wMGxrhcg49UG68FSTELE7arq/SL+Mq8PbAXCpwfT5TtYd/hJ0U?= =?us-ascii?Q?RGPx41GUA0W7h8OStn/4eYm9e8Axw9C3z/t2CdmnO5JGhzZH27cZTSQ8mpMd?= =?us-ascii?Q?O3WxOOb0AIMBamCkczR8dj+bFg2kLgaE1fofHlm+pzo0V6STDFXw3RS7WLUD?= =?us-ascii?Q?nNfD7xDW2LI4iBkydyG04MDlAJHKSxDMDbO8f9v/nZ38pVwpN+VKITjM/7Ao?= =?us-ascii?Q?kCqX6Ms35GZaoy949MJgaHXU1osFGh9klIvkYMyUOeOeSxUUdJs1YrcSVma9?= =?us-ascii?Q?3Bzxi3RUvow7lKGjXakmvzbPL8NddI7cCzfxaidwg7pSen/m+R7RCwh8U82/?= =?us-ascii?Q?TnWdNw0zQ7orq7wl5/ATqCey+DkY0RJmtF/uYj+zCYWoz2meYCKwH3xB2Z8n?= =?us-ascii?Q?7jKDPYNCmt+qR33XaewgLZIrqhYe91CNvCE8ijEkb8J3W5udCl240XOwjBNu?= =?us-ascii?Q?4w/gnE4PXReydi4g9j4=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA3PR12MB7901.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(7416014)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?abUVkxVkwqW3CYvWGu/ho5FnSCl+5yc5iSr753hJuD1+D3/enTbDFIJLPL5y?= =?us-ascii?Q?T6JV14MoNMlrtQM4fRcQ8MlHdHg8Mtg+i2dcRhJF7jT0BP/+nqhosflHIcbu?= =?us-ascii?Q?X3fDsp9jnIQoTyzp6iJ8PUeIBqfdcwii7hHiv8Ha2W/+lQ8vYnjsHPhKJLzt?= =?us-ascii?Q?QCg+UnE1XKmvS9WMxBj8MBdNCsW3zk5gW3MLeek+Ah22YKOIX7JZqR782e0P?= =?us-ascii?Q?tLmiTOxSkrkbbk9NNm76v8MwzzEgySWq9WMT0tJocml5EgiKqIUFuBZEnRPN?= =?us-ascii?Q?HR5/qxU1nnAMIPBFulv4AZ/5kX7LzmNXwltb2bRX7el9xNJxn7NU/z2yXNXy?= =?us-ascii?Q?6Cw9txLvgUKg/gVhpo+A5nnybRH1KICWOeKpX6YJT3t40t1D3XhVBw3ZMEcX?= =?us-ascii?Q?kp/jPCRLX0mjcleXFgsPj4ymWO/ozYIOqICsyiG/swq3zvJI5MNrMU07f2sa?= =?us-ascii?Q?SLLeiwTDbgMYkBDBsokpFtfvNCMWQEKkZxpPdDilMfvOjr1j1FtH4vGjRkVz?= =?us-ascii?Q?NT2RtIbRAXlosp2r/KSQSDGQu8RH3SkzWPafgQxw7otlbON+1hm+v+ZFPw3H?= =?us-ascii?Q?Uxy29M/r2oXQpLQVFjOSF8wmjRxLc9B/L+C9wfKkt7y8rmEsC4eUkby2vRxs?= =?us-ascii?Q?j1Oo+IVTvuyGLshGx2HOVvlucNspNdTk091bdHZDr3yPFgPm5RjacMsX+dV3?= =?us-ascii?Q?jYuq6BobOuY29yopwcHuW8N3oe4VdI/YLorYi043RE4T2ZuofVWfVlvQolRR?= =?us-ascii?Q?er3gPgyBQCxmXBb+VNt0B3TvI9D7eAUZ7PH3hoLEexUqdgH5dj/mYIYldcsF?= =?us-ascii?Q?qr4Da4Qu7Yk76ANwwI7Cf1aJhlLZ85ZU72ou2ZGs4YgQgempLKc/CDHV4EAC?= =?us-ascii?Q?0dMD+pZ6oxF5idewFLPGAHH+DGUUNoAkn+b+T6gVJQNQw8xHUKdm5a17u87+?= =?us-ascii?Q?cB9XPSAJStVQjzI2iA45eksuiT7zVaxcqxtaX+aOK/q8qJmKFgTS1aXOYv5c?= =?us-ascii?Q?yPRGqX6wRan+8vhy5npkcJEQgrulLD+RGf1tFXqA2ru95qg1iomeOJYtafFj?= =?us-ascii?Q?zQNkF/M+NoI63oK5R8Wp72JG4CFQFfKEF1KUCz8ItAXxjWMD69vlP/BjozkD?= =?us-ascii?Q?JstY+xxuA3Q1Hm8z3zjh+9a+d52ktgtZ1yK/PP+q0q1FVq05s9wowkBPoFAX?= =?us-ascii?Q?1itG8NUIwJ9ju8kS1kWdCwdgDt8X8gIiRMpjSe+DjxgV6fTW7Cxt2kG3uvYM?= =?us-ascii?Q?hKRYxZFDrxX0XYKhuyCoGARdT5sYNlthO7oprlWmAmhhp4aRSK0gpBMM4TCA?= =?us-ascii?Q?b5rLe4+5smyel57cdMpPRBtaQRcR92+f0k36m3uXyI2fmqBp746gnQ6RiE8T?= =?us-ascii?Q?kowR156UL69YjUmnAyfuhkrgPPvRhnRu6sjcGXTTPuIo7RQJpqaM8ZAcqFpF?= =?us-ascii?Q?BCg/sO5n3RhAHmzX+eW1Eid5XghIQm68FOksDkx24pxppt1VSt+K6XHlWier?= =?us-ascii?Q?zbPwAPdhdO4tWe+LN50knxV17HCwZcgR5ufqUCi47LIQU7Z6PCfVTGgwqheK?= =?us-ascii?Q?ZrvNXE8sULGuTptSQxlKFXsjd4cJ2lLmxUpC460goIj2sCGLVmvdDbF0viZa?= =?us-ascii?Q?NR9/yLqCAmo/T7qtOgLaJZYHCIkasdnqFVmt7UYAnzDU208uZQmGbq8tKibh?= =?us-ascii?Q?fwasD+DBE8Gda3DFEV09509KMMXHMkMnzaMWTLjEy1lKbXse?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: b6db4122-a49e-443a-241b-08de6947cb31 X-MS-Exchange-CrossTenant-AuthSource: SA3PR12MB7901.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Feb 2026 08:30:20.7678 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: NC50tnu1BGoCqv5ZR9tZXoORA8trvixA1vkFJqnQsI4hTORwRkOArLD8WLMKNaMR6VclFMdbRYwUHDWp57k6Lg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7236 On Tue, Feb 10, 2026 at 06:51:27PM +0000, Aleksei Oladko wrote: > The test generates VXLAN traffic using mausezahn, where the encapsulated > inner IPv4 packet contains a zero IP header checksum. After VXLAN > decapsulation, such packets do not pass sanity checks in br_netfilter > and are dropped, which causes the test to fail. > > Fix this by calculating and setting a valid IPv4 header checksum for the > encapsulated packet generated by mausezahn, so that the packet is accepted > by br_netfilter. > > Signed-off-by: Aleksei Oladko If you are targeting this as a fix, then: 1. Use "[PATCH net]" as subject prefix. See [1]. 2. Add a Fixes tag. 3. Please mention in the commit message that this is fixed by using the payload_template_calc_checksum() / payload_template_expand_checksum() helpers that are only available in v6.3 and newer kernels. Patch looks good otherwise (I also tested it). [1] https://docs.kernel.org/process/maintainer-netdev.html