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Schultz" Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, Florian Fainelli , Andrew Lunn , Vivien Didelot , Vladimir Oltean , Eric Dumazet , Paolo Abeni , Kurt Kanzenbach , Hauke Mehrtens , Woojung Huh , UNGLinuxDriver@microchip.com, Sean Wang , Landen Chao , DENG Qingfang , Matthias Brugger , Claudiu Manoil , Alexandre Belloni , Jiri Pirko , Ivan Vecera , Roopa Prabhu , Nikolay Aleksandrov , Shuah Khan , Russell King , Christian Marangi , Daniel Borkmann , Yuwei Wang , Petr Machata , Florent Fourcot , Hans Schultz , Joachim Wiberg , Amit Cohen , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bridge@lists.linux-foundation.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v7 net-next 4/9] net: switchdev: support offloading of the FDB blackhole flag Message-ID: References: <20221009174052.1927483-1-netdev@kapio-technology.com> <20221009174052.1927483-5-netdev@kapio-technology.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221009174052.1927483-5-netdev@kapio-technology.com> X-ClientProxiedBy: VI1PR03CA0046.eurprd03.prod.outlook.com (2603:10a6:803:50::17) To CY5PR12MB6179.namprd12.prod.outlook.com (2603:10b6:930:24::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY5PR12MB6179:EE_|BL3PR12MB6404:EE_ X-MS-Office365-Filtering-Correlation-Id: dc7d6b04-4adf-40f9-e514-08daad263fcc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?rxO86z92rEW3mUyW4AO06LsSIT9JG4j/rTqQfvWsG/DNsIdjsiYJyPqaTpRK?= =?us-ascii?Q?b52YoIwMT2Tf7gJ5e/mJHsKdBYEjGjqWDrnxNfYnYsL7Rnl0SLl1cOLWaRWG?= =?us-ascii?Q?z7R4IEmZT0ZBOoLq5XZ1N5V4417abmC6P44AJmco6PHTpKJhQV1P7PzcoTcD?= =?us-ascii?Q?xb0wdkInju92jmZfneF/IDWQa9kSC6Yg4jtg2kgNeDXcTw2VPBd8mZ/6tpRH?= =?us-ascii?Q?RSILD6RdJDjGAwiTFzPe1zUwfk40flNEjemCyuVkFVbhVBphpGztbKF8Sr36?= =?us-ascii?Q?IETjPfTbWeTZ3wKv5XHBPtRElWd8LFvPG730UBBBTu2n+rx0OBYaJ8dEw6ON?= =?us-ascii?Q?CDGSzwtu91CAZr8v0QWSY0D8mdxUDmrIu+YhKA+kFbNOBqMjRncIRUjRp44I?= =?us-ascii?Q?7biyewxFxUf0ZcZTlGWbXhk+srF/Buj0VwoBKPy60Q+YgCPimx+K7IOuoiP3?= =?us-ascii?Q?St0PhJbcWjC7AO1vTsM9c0cIfGaPHaMdRkNAhXAyGQ5kgJiO1qKoo52eyAH/?= =?us-ascii?Q?pWFHgwZhrolHdDmtzJdYv0MF6IDGpR0hYoxKx3rmnCiyoyZWIL6PZVIUPhM1?= =?us-ascii?Q?WqQooSyB7atWzm+NKFqYsmeLAg+QU6kZI4IbAWlYoEYx86vi4Q4xLi76nsrU?= =?us-ascii?Q?iouGrPrU9YjnKXg3T0ywVoiIQqI1BmE8vCxG7xH/GiPP2qM4TegSXSUcNdjS?= =?us-ascii?Q?mzSzbGejdL31vNQ1QU+P2cZiJuO0Cbdsj4Gvyx0aPn8xv9mvQ4iPxiYnIWUO?= =?us-ascii?Q?QFaJH7S5Sc/9f+xHtNciueZBe93SeacoZJOqrZet7vc4ESBpYEHNLv9wcFyO?= =?us-ascii?Q?4K5YNWG3mIRaDI+Z2ozSRlFzgXCuCp40k9jlnrzRCdsLYA8/XE2e2+R8ln2M?= =?us-ascii?Q?xRCtXZJt01sBMTqV7zdiHXFrcRlXMQWHmxjgH94q0q3TUZe3DyEyq0MBP3w6?= =?us-ascii?Q?BFDJEyt7GeMpnoBWnIPQbhNSoQTF7+jLM5oH81lg4kP5Vv5/zr5aBOhFTT+c?= =?us-ascii?Q?2sANcGsz80rgGu0tCo+Ebur5hTW+OIFj0xUpdw3XjutNURfOVAVubjhaYuVY?= =?us-ascii?Q?4Z75ZtebI9yrK5HjqWfKfwrK02BKkl8IYqOgLn/Mxv0ACGp4zNrdrWTgCmzl?= =?us-ascii?Q?GGW22AfJ2ORxMgx75a5iyLAxW99jS/Xv+PC/gwdFJ4chJqHiGoq6J9MOOF5V?= =?us-ascii?Q?BPQ9yQPHWfD96w19Ln0MXnweM71XpG2fq4czhqQOCUeQ9U2exFrQ5W4Udij0?= =?us-ascii?Q?3tZYa0nSHCE2yH8yqisyRaPR33GunsPNwwsv9O3CV/v/2f/OgLceSBGbX3aY?= =?us-ascii?Q?eKD60XLSfr8jF8O/QvVxTlA1ZwMBNVwVGCfijgJdUfy+tR9hahgIn2VLsr1z?= =?us-ascii?Q?NNINtt0QeMu3itUwWUUPf8WFDvdYBWmv5ZZmnShGDyL5BxwCrFq/XIYLD6UI?= =?us-ascii?Q?eZOcFRHQ2+QTCG1OIzV75E04k7hvYFK1xyQqHiuQuHBymexCM1PV7rdajMcG?= =?us-ascii?Q?3G0iILO4KkR5fwurkRPtfxZyWE95EsN1cwmdyY88rPZz2ery4gMDTjeg0oP3?= =?us-ascii?Q?cUUcfY1IJupPZZA0uuwpzGuqA9B/ltPU6Q0bZYFo?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: dc7d6b04-4adf-40f9-e514-08daad263fcc X-MS-Exchange-CrossTenant-AuthSource: CY5PR12MB6179.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2022 14:21:41.8819 (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: vUTbullLmGFQJknm9jDYGS7QREePCZMxGb5zYKU8xMm0tCF+NaexkAKjn8Xdaklh2J+l/x2BWUExL+5kVMsR/A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6404 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 09, 2022 at 07:40:47PM +0200, Hans J. Schultz wrote: > Add support for offloading of the FDB blackhole flag. > > Signed-off-by: Hans J. Schultz > --- > include/net/dsa.h | 1 + > include/net/switchdev.h | 1 + > net/bridge/br.c | 3 ++- > net/bridge/br_fdb.c | 19 ++++++++++++++++--- > net/bridge/br_private.h | 3 ++- > net/bridge/br_switchdev.c | 1 + > net/dsa/dsa_priv.h | 4 ++-- > net/dsa/port.c | 22 ++++++++++++---------- > net/dsa/slave.c | 6 ++++-- > 9 files changed, 41 insertions(+), 19 deletions(-) Too many changes at once. I suggest to split into: 1. A patch that allows the bridge driver to be notified about blackhole entries from device drivers and also notifying it to drivers when added from user space. These changes: include/net/switchdev.h | 1 + net/bridge/br.c | 3 ++- net/bridge/br_fdb.c | 19 ++++++++++++++++--- net/bridge/br_private.h | 3 ++- net/bridge/br_switchdev.c | 1 + 2. The DSA changes