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Miller" Cc: DENG Qingfang , Tobias Waldekranz , Marek Behun , Russell King - ARM Linux admin , Alexandra Winter , Jiri Pirko , Ido Schimmel , Claudiu Manoil , UNGLinuxDriver@microchip.com Subject: [PATCH v3 net-next 2/7] net: dsa: be louder when a non-legacy FDB operation fails Date: Sun, 13 Dec 2020 16:07:05 +0200 Message-Id: <20201213140710.1198050-3-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201213140710.1198050-1-vladimir.oltean@nxp.com> References: <20201213140710.1198050-1-vladimir.oltean@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [188.25.2.120] X-ClientProxiedBy: VI1PR08CA0235.eurprd08.prod.outlook.com (2603:10a6:802:15::44) To VI1PR04MB5696.eurprd04.prod.outlook.com (2603:10a6:803:e7::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (188.25.2.120) by VI1PR08CA0235.eurprd08.prod.outlook.com (2603:10a6:802:15::44) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3654.12 via Frontend Transport; Sun, 13 Dec 2020 14:07:37 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e4de9cc3-5feb-47ef-4186-08d89f707285 X-MS-TrafficTypeDiagnostic: VE1PR04MB7341: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: MMvV0nDcvEJGt9ePdfWtF/zItHY4PrJQLzlIB9K2O2oughnUHvtC8lgPrxb3Dq0XE3y+KDCk8XvCCWp/JGK88eqJ5R22YyJlNJOegwlvR81G0j79Nnr2DOdTein8Nix1Ovysmmt8TZhWmoiYHyXa92SLvGUtNUU7wOvLdfP2afahmVuOgSxRfEWp699/Yzq4bWnDtGVOsJtvXy8QdlUT8tQx2Vp+L7J5Inns3YQb9d0rVG2QLMwP/e8ApZXLXZcI0zWWXtzNmWQ4w9/hMhv/LsJ2NbASlRU21i1jUEQggvGK1TIZ+VF6yGOlgtLCZJ0NInrPCten+EWCYUnNHI+lCA5sJr6ZoaeTH6ZgIXnb6J3+VuU9EyghLDYVPEjqgCh+vXfAKWIW+IiSY3n6RysghA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR04MB5696.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(346002)(396003)(136003)(376002)(39850400004)(478600001)(52116002)(7416002)(5660300002)(1076003)(6666004)(316002)(16526019)(186003)(86362001)(83380400001)(8676002)(26005)(6506007)(44832011)(2616005)(956004)(69590400008)(2906002)(4326008)(8936002)(921005)(66556008)(66946007)(66476007)(54906003)(6486002)(110136005)(36756003)(6512007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?DD3zvcUmQgzBjPx4b4W8ElApbKcKc1ere/1YaA7PXi7eRiX579qegr9dO1tr?= =?us-ascii?Q?OQ63i8NlSonEH1rF6h24s8QCaaJ0gy1LmAsZAe/ma3d8RAU71Bg2P5RU6Lsb?= =?us-ascii?Q?h5YTjrsqbLZsnlCwwCSLSldFduGZx86G161rUPCkw6TXC5PvaDYc97awZ1Cp?= =?us-ascii?Q?p2fXDafNQAWSmU6RZTDwD/5ZKl0tb4MSq0Nfwy2xJ7JpJNqN3RBLCgsSIA7d?= =?us-ascii?Q?zHDhtZeENC0WkSqbiD9ujj8xmeNbkOYuT0NEsZYnClCHYVqk0elofO24FiJW?= =?us-ascii?Q?H6Rv4j8/yQuz3jcQsaszRgM9GkcoygdTYQwXQQjK/jpsgc4D4sCQGcMbLP7D?= =?us-ascii?Q?gEhTuptIgrIj6e0/rmHnFsrMwXGeKZLGqm3UF2ud+dIyoOJuP0IbHoV57u8v?= =?us-ascii?Q?Q+DztSPKOd+x0inVrh3U/fdyDNUhyBO3fgOT2MNl7hh+bLAURm4y6VBQ1rgK?= =?us-ascii?Q?7VMGE16qNB/E3SIQ7jz3NX2ymkrJkj1Lw7KxBMhlxB7oKnO0QOAabMiiRILA?= =?us-ascii?Q?AyN/TtyynbsZNnP/CjpQHjIYn2ZZo4gk/xGFkxpMGlL8X/mj5yzCF7QvSC6Z?= =?us-ascii?Q?VEk3bFlJGer7wkfUfJX0tNtpQaUV9PR7/Y3nMqbUPEaNLc/eCQfCuiXYCVft?= =?us-ascii?Q?if+vJ4lqp2kERlmPJWKmKgG/s4WJEVZaWCjl1+2TSQdtSshqzXeyjBfATYfQ?= =?us-ascii?Q?LEV/gGLTVnhwYfyv5JXN/EFV99eHYu/I4F2x3hrpUKD+ydNNHPGPUm+F5pNq?= =?us-ascii?Q?rtsD4RIGiWF5VlGzQZ4AxPR6D0JLzj809L4pI2lwUzIQ7AhODuVf1od8gQdJ?= =?us-ascii?Q?oCBRt0FFkXuE3hlScotj4m6hCFIuZJd+93D9mN1NYjUSih2xQQO+jiQM8TxJ?= =?us-ascii?Q?vPeUxMBC3m3Hi8HL82b6fHeeSU8Wg9NF9ig2QqkhuywoDZ7uBewOQ0sGtnPZ?= =?us-ascii?Q?TVM1YN8GUaGBB3Oxsp1Eh39PLsT1tOOZt1quWSOEryVlt6QdiWtJRiuSRAtT?= =?us-ascii?Q?XopL?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5696.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2020 14:07:37.8554 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: e4de9cc3-5feb-47ef-4186-08d89f707285 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: TNc9YrK6C/Wg0XcdMghzgLNKPiw/h1y1Kqv3Wy37tzXJ0hT6gkNukdv9wVm5DuouLFaAUi5Fpd6K5wP551BrEQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7341 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The dev_close() call was added in commit c9eb3e0f8701 ("net: dsa: Add support for learning FDB through notification") "to indicate inconsistent situation" when we could not delete an FDB entry from the port. bridge fdb del d8:58:d7:00:ca:6d dev swp0 self master It is a bit drastic and at the same time not helpful if the above fails to only print with netdev_dbg log level, but on the other hand to bring the interface down. So increase the verbosity of the error message, and drop dev_close(). Signed-off-by: Vladimir Oltean --- Changes in v3: Patch is new. net/dsa/slave.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 4a0498bf6c65..d5d389300124 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -2072,7 +2072,9 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work) err = dsa_port_fdb_add(dp, fdb_info->addr, fdb_info->vid); if (err) { - netdev_dbg(dev, "fdb add failed err=%d\n", err); + netdev_err(dev, + "failed to add %pM vid %d to fdb: %d\n", + fdb_info->addr, fdb_info->vid, err); break; } fdb_info->offloaded = true; @@ -2087,9 +2089,11 @@ static void dsa_slave_switchdev_event_work(struct work_struct *work) err = dsa_port_fdb_del(dp, fdb_info->addr, fdb_info->vid); if (err) { - netdev_dbg(dev, "fdb del failed err=%d\n", err); - dev_close(dev); + netdev_err(dev, + "failed to delete %pM vid %d from fdb: %d\n", + fdb_info->addr, fdb_info->vid, err); } + break; } rtnl_unlock(); -- 2.25.1