From nobody Sat Nov 30 01:48:02 2024 Received: from DUZPR83CU001.outbound.protection.outlook.com (mail-northeuropeazon11013057.outbound.protection.outlook.com [52.101.67.57]) (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 AD10769D31; Fri, 13 Sep 2024 15:29:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.67.57 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726241398; cv=fail; b=gO81eAAeQ93x5rOz5OIywvvepzrFxrf3wOb8DGFTxAenDkWuLyFKhOi7q43ZkA8U+UdixU9OQhSgxDm8ukzpOSH4FWXqrOosSIHnOaryxcS0x5BCHPfbJyNps7oo5RWOZ1o6QeBPVXUmtJ1FgjTlAqm071Ret1BuyGPHRgsI9DA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726241398; c=relaxed/simple; bh=w1jiKdaGVmJE1Xb7wA2kzHyilovYOsj6MrM2YXWpWbc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=qKIuH9gI/ZfKiZis4riaRSUglE5xZScW9I2iJDzakqvnwPeFIJbjwPTcBhbhgxcuV8uJCaQGtM9g/MigoaWLyVft8EXevO3T601FEkBESeE6up6QT761pPjiqvBLXhc94xzbBBUO4VoFTkz1yY9o4zS3Pvx8twbSJYaDraaXIXo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=cG4HtMqt; arc=fail smtp.client-ip=52.101.67.57 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="cG4HtMqt" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=A0fs6BTtfwI3sO2iC3xMNl7Nw0AhaI5DIw1kaecNPqIZ8lLlvQiz2PYRCwAsAS/bb9VcCagkIh/FaTCJZKRD+czpPt/y8CJhgUHc2j17icKZCncJfA6ibGHYHWRZjDIbc9jnIxHgsGQP/ArqlrNooQLLeQ4eXQbz+26efobsViJ8h5xjWaKp+AROQ3Uk5LHOqOQNchLkUsBtOUtcPYJd8HT6Qaj4aIWSF359yhrFFAc0s1X5npvWAqdoInFpnad+5vAaXQUuegcG3ujz8vEwwmjcGjPJd7YSG69lN6vEBAd2Ebm7p1thRHj2fZZ40wY6D2t+cY0ZswENkuVL6LPmiQ== 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=B9CRiIOz405LWDfk/Rz64e69EatwwzxzYaab30d4K5Y=; b=VyLFTFxCXCL0mMYPmdbXA6gGI/7nES8mGmyuXMDcQlp6nUbFSca/JsewHMUFnLyZzSCEqxEUYqyi2mSIWKaDyyhQavMtLzQ4BtK433PtVy2nxYuNjGKjrXRAJzNL5vdKWCuZpHgCxFa1V0YD/CPzV78884w2vEwXiwl87e3V4CrepqxOpogP/VuazEnwFWMf6W9B2lEmJljJFibY/qQgn/mGAGluzNDn2Fz25AmtRZRtU4wUl9UGtWE58r5l+DKv/Frj9S4nIbfkrUd7R0fu4QoWaD1VgFZL75wWPp3NX2DvKGCYp/A+MNv+1C+wW2Fvjg9dAa5xKy17mNN/pbii3w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=B9CRiIOz405LWDfk/Rz64e69EatwwzxzYaab30d4K5Y=; b=cG4HtMqtBYnPS6RuIaLc5seqWSXLaEV0s/BYYMJYGpsz/n3mUSjbwQ/uID61aAHiHd+bVY99mPFppAASuy+wbio7V3AqLE269SCJ9YJdFZHv2g95iHCdLRj7/9a8U4Jdy84jBV/yYXmXpXmWhOvzCYgiGpxznWX4JnO2IuXGkz0BdoocZ5d407uQyJwd3b6kvVva77tyeOwbL6AzB4Yf4/ZQGO07fCEUZnqS1pMG0x3w8HpFaMNztOtt3DSbHuKwItczdooUvfpW7+cbzlaZpTP4uunaVptLPq2A8DusNsheCfMePVlItVTzc8B6J4f3Ng5uQiJ/QqhOrxKvkT43CA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM8PR04MB7779.eurprd04.prod.outlook.com (2603:10a6:20b:24b::14) by VI2PR04MB10859.eurprd04.prod.outlook.com (2603:10a6:800:278::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7962.19; Fri, 13 Sep 2024 15:29:50 +0000 Received: from AM8PR04MB7779.eurprd04.prod.outlook.com ([fe80::7417:d17f:8d97:44d2]) by AM8PR04MB7779.eurprd04.prod.outlook.com ([fe80::7417:d17f:8d97:44d2%3]) with mapi id 15.20.7962.017; Fri, 13 Sep 2024 15:29:50 +0000 From: Vladimir Oltean To: netdev@vger.kernel.org Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Florian Fainelli , Petr Machata , Ido Schimmel , Claudiu Manoil , Alexandre Belloni , UNGLinuxDriver@microchip.com, Jamal Hadi Salim , Cong Wang , Jiri Pirko , linux-kernel@vger.kernel.org Subject: [RFC PATCH net-next 3/6] net: dsa: add more extack messages in dsa_user_add_cls_matchall_mirred() Date: Fri, 13 Sep 2024 18:29:12 +0300 Message-Id: <20240913152915.2981126-4-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240913152915.2981126-1-vladimir.oltean@nxp.com> References: <20240913152915.2981126-1-vladimir.oltean@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: VI1PR0102CA0005.eurprd01.prod.exchangelabs.com (2603:10a6:802::18) To AM8PR04MB7779.eurprd04.prod.outlook.com (2603:10a6:20b:24b::14) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM8PR04MB7779:EE_|VI2PR04MB10859:EE_ X-MS-Office365-Filtering-Correlation-Id: aa7c9bb8-4923-4f84-7fe2-08dcd408e814 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|52116014|376014|7416014|1800799024|366016|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Uj8yEzgW52k4NDe0OfDJhUiDMaNyKLtwaH7yo3ecYTgpSwEXHg+/NtbHD0Ll?= =?us-ascii?Q?dwgODxXGT3DwSITltdBa2aeZfSt/r/rnVC5LiB0QP7CNfNq3AnDh7N8wtZOo?= =?us-ascii?Q?v4ji3vCKvjZ5BCmVUTcGAHZWRL3r9EOK6pS8qJqlwwJ9yuhayX7yvO4yZ0g6?= =?us-ascii?Q?+YmqPlKM3DMIB2x6GfyiLg4umokuwkmZMmbSe2jPIFak4z51PpmEhb7i14rN?= =?us-ascii?Q?Q2LK7oR59znVDmyNdDIJPOsr8mvchzqXfjNaBQMskfGYoRDLferzUJHKO9Hz?= =?us-ascii?Q?GTaokM/CRUw+Qhn6dt/IM+LuoXJwpBy77q5FUD8lK1LQdk5ICv9xWjBSOvkC?= =?us-ascii?Q?dRKA2cUykLKy8bY9aSdSF4SpHJoM9Pes9QFmzGrMBVGGkw3iML6D+sLBmZnu?= =?us-ascii?Q?F+YZhOQbko2kOAQcame+ce0SLEwL9FI/L2ktfTr1VqSxOIYO2/+HIe02Dref?= =?us-ascii?Q?qjsQmJoFJn90UF+t6SUywREL5MBZR7qzM5ny2l2TuTyzb28ap6agka4Zxp9Z?= =?us-ascii?Q?WaNCOr5yjugaSuKuH+lj9OE+UdmazcQzDLXwpTJQRmcT8lKlAZoJlp8wY4L0?= =?us-ascii?Q?qabJS3+97y0CEQlZjr22s87aQqNcQ8ebKtQXzrft4QRAUL060gQYYnlzYNZa?= =?us-ascii?Q?IWBOw796pFSpT5Es0qg0VXsUDryFs5u5/vVlWbKSgvWViJ3h7snDbmhFmm0t?= =?us-ascii?Q?jZ7+jrr8YLY4lAFPKRZ5x9DVC0lptIziRRrPYS/G3SMD3EV54uOcRE7nUDjc?= =?us-ascii?Q?gXpBIQ4NGNIbD+y3Az/YbSS72Ohbtep5ryTKm9bJb0CAc+CFGX0go9SRqpmz?= =?us-ascii?Q?L83lIrUqKRf55XlKXO20AlVufo+BWlYsgqM47jUs37o+/Bb5gu/y3CKpyaTE?= =?us-ascii?Q?CzVvRVAihX7oTkVPaigJhOfXp7Ca2uoQrxNV80bFipuhU+FsuWXyGW9Wbj6q?= =?us-ascii?Q?XlP7hA175LIs+/RmchNzBDFJSKn4TgKczSf6OfYbAaHA5simKHULeYaQDcTQ?= =?us-ascii?Q?UlwFhKC0RyLsERnySfld7AFZgocnF5b+zjHP6IsdswMyqqVOtma2SPRvgECf?= =?us-ascii?Q?3oYhYCFKEoKhYG2kndKk4uWuRjVCxLErN3GNlW8RwjZu2QR7W18FgIjFchq9?= =?us-ascii?Q?eic/asHauhfUYOVfcAnLWZvs1xAZZoqJ421w+VMVlz6ecR/G8EXYaUCsFQMs?= =?us-ascii?Q?u/JK0vTewT2+ywBBXQ+kqtlWBDyezqMjun+tEAX2TBfNW4wwgUhIWeAvXXQt?= =?us-ascii?Q?kGK9ihbHE33NgvmWsOnnbmloXh8JYSjH5WiCypZKySvKgaGQuUu2zDmMQMua?= =?us-ascii?Q?euphZq+ucZdSg+eCF791CLEJLqenfs0nXD8EW/tuk8Lo/Ry1jOGAvdwo7b30?= =?us-ascii?Q?gB/F84tDWBNvnsrMzmCOPLVXtYq0/bWYma+eOMPBB+VmGYJmPA=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM8PR04MB7779.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(52116014)(376014)(7416014)(1800799024)(366016)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?4XE2l3CwBTN2nG3X6k0wjKqwqbEpeRY5G+4F2i/R+muKBgLvyleKrb0i5Vf+?= =?us-ascii?Q?SZi5wAEL6VhFFhrkOa2zQEAUKvPTd/ZFZBxeNjuR0piHIFaUeQuuG8RQbU3s?= =?us-ascii?Q?5s9gUFZ4OK934To24uznK5l1ap/2kDltui/er5ir2EqZSKu9Fxh99J15l3iJ?= =?us-ascii?Q?PA2lDsbr4EzcsnKUuGFw5JNo8rgmyPX5kUPUr/YyCq2rhcX7ZuIoYNsWVpRB?= =?us-ascii?Q?9gBJlx3YL/CKUqqDy6IafjcXf7S8ji7MOcNiiQnJ6Rw4H/qhMBn11pG0bjXE?= =?us-ascii?Q?d19mg7ib02ukRBAShVaICUty9Rv/JnIn4UJ2bpmNEDYBxNUVVj1/uHSTMidO?= =?us-ascii?Q?yrTXh6qctrtZzLgDdbt+ML15ZjdVgZ811tzLI4SYy0JifHgvZniRFIkxI53O?= =?us-ascii?Q?UWKvDnVdOMpNez2cuO7GPR6w7smE89HnQx0NVvBaPC+/MOxCfO+erDcs5HFn?= =?us-ascii?Q?UrgpxIbUENlkFDz2P7QrqC7zncr65cxQV7Cz4/wo4CTJe2LsTeX2++05n2FY?= =?us-ascii?Q?Iuy4j9XpdfWPDcA3A9aC4kQ08u9AUYIIpFXjIHATd2iggOn3OMIzZ43zI9jW?= =?us-ascii?Q?5vZRMgQ41qjyQeRKD0vE5b6c6zKX38BZaD/uDRmRMqZyBjQCeN7zHzHqX0bU?= =?us-ascii?Q?eli7IRulz+AcVzzVvrVrmCqHnhX3R2v9vjCrWAVrZazN1rS0Y+0t4oCTgqsL?= =?us-ascii?Q?VUi2NR4tg/CszsC+WcXrD7hU3gk0uQ5xS/tYAUr+I3IUtAK1WYe5clITJShe?= =?us-ascii?Q?xLiijQpnN6aVROsl5ppIr6aKymK/94+d7b+gd3DzGjGf0oUYYq4xzylHPFdS?= =?us-ascii?Q?SWEvZNK33HpnI0Ghdn3xTP4sxxwUlXTI0I0KELsqJvA3DErWQoWGqWz5qYvC?= =?us-ascii?Q?YdnPgE/3lOjAaypW8MWvEMV66/gBDuP7J4gKXOuDjCewbKJXLihTUNY8zC8F?= =?us-ascii?Q?azCnkTH8j8UTFH6gIQmmNN+uhVt9p6l1/G7XjsXic/eSgLA2AHS/Ant4yw+N?= =?us-ascii?Q?rVEdQcTXX/jd44mmCpSYri6Oa1W6ml8qoE9IZmIujwEBubAn28PcO4p64NQ9?= =?us-ascii?Q?PUJVJVMh+SjwOC8aq7gFSeP3DB3cIjkUAHv7hE95hEIMf9l9JjvaW9NoM53R?= =?us-ascii?Q?BWNM45lVYSHdbenx0U9G3axbpadNOC0oeODC2MsjUSWdt1M2EVun4KAJpBn8?= =?us-ascii?Q?dg5qSNOzCQMJyLzlpu6/MUcmQ4/wmClC8D74++FSsyPJK5N40QpYIf+DdrPr?= =?us-ascii?Q?jklzPxgZRMhFQWNAEcmor/pnvYc48+/GvMDPEL6CErsLiiVVcNDBXwhNJiDS?= =?us-ascii?Q?L/UeanMIUngkDrodC+WFluBnRSWdKuKeH6TpwI4PCfD20hhnfSWWuaiCMGuA?= =?us-ascii?Q?frzceQgg1NlEqQnMlYVNjTGV8b5pzOqMs6XbHK+FxbcQmm3o5HKSYpccXpIP?= =?us-ascii?Q?mCLe1vMu4NHqbdkQWj44eHXrtqplqeSgp0pmN3EGkORsWDgplxw4e8ACoCmT?= =?us-ascii?Q?EPw9hEk5r8jjK83GSHAkta5Fp1ggvWbofbTfYfyBCmY5hUqZFl/8/67l0sW+?= =?us-ascii?Q?wsu2+PREgqKaZdp0P9P0pM/lsbLwhJPUV//SDhhmUuJBBM1ob16SY4kQo7Ek?= =?us-ascii?Q?Og=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: aa7c9bb8-4923-4f84-7fe2-08dcd408e814 X-MS-Exchange-CrossTenant-AuthSource: AM8PR04MB7779.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2024 15:29:50.1466 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: OI3MtosZivB20CNpSA1rjsQAzGMFrMvDemOX1FUc6rB3X3Jst4FkJ2ADoGvLJkMSq3GtnvtFD1E0DEXS3Ieqjg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI2PR04MB10859 Content-Type: text/plain; charset="utf-8" Do not leave -EOPNOTSUPP errors without an explanation. It is confusing for the user to figure out what is wrong otherwise. Signed-off-by: Vladimir Oltean --- net/dsa/user.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/net/dsa/user.c b/net/dsa/user.c index 143e566e26b9..42ff3415c808 100644 --- a/net/dsa/user.c +++ b/net/dsa/user.c @@ -1377,11 +1377,17 @@ dsa_user_add_cls_matchall_mirred(struct net_device = *dev, struct dsa_port *to_dp; int err; =20 - if (cls->common.protocol !=3D htons(ETH_P_ALL)) + if (cls->common.protocol !=3D htons(ETH_P_ALL)) { + NL_SET_ERR_MSG_MOD(extack, + "Can only offload \"protocol all\" matchall filter"); return -EOPNOTSUPP; + } =20 - if (!ds->ops->port_mirror_add) + if (!ds->ops->port_mirror_add) { + NL_SET_ERR_MSG_MOD(extack, + "Switch does not support mirroring operation"); return -EOPNOTSUPP; + } =20 if (!flow_action_basic_hw_stats_check(&cls->rule->action, cls->common.extack)) @@ -1485,9 +1491,13 @@ static int dsa_user_add_cls_matchall(struct net_devi= ce *dev, bool ingress) { const struct flow_action *action =3D &cls->rule->action; + struct netlink_ext_ack *extack =3D cls->common.extack; =20 - if (!flow_offload_has_one_action(action)) + if (!flow_offload_has_one_action(action)) { + NL_SET_ERR_MSG_MOD(extack, + "Cannot offload matchall filter with more than one action"); return -EOPNOTSUPP; + } =20 switch (action->entries[0].id) { case FLOW_ACTION_MIRRED: @@ -1495,6 +1505,7 @@ static int dsa_user_add_cls_matchall(struct net_devic= e *dev, case FLOW_ACTION_POLICE: return dsa_user_add_cls_matchall_police(dev, cls, ingress); default: + NL_SET_ERR_MSG_MOD(extack, "Unknown action"); break; } =20 --=20 2.34.1