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Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, David Ahern , Shuah Khan , mlxsw@nvidia.com Subject: Re: [PATCH net-next 0/5] net: Extend address label support Message-ID: References: <20230310171257.0127e74c@kernel.org> <87sfe8sniw.fsf@nvidia.com> <20230313151028.78fdfec6@kernel.org> <87a60fs2kp.fsf@nvidia.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87a60fs2kp.fsf@nvidia.com> X-ClientProxiedBy: VI1PR08CA0148.eurprd08.prod.outlook.com (2603:10a6:800:d5::26) To CY5PR12MB6179.namprd12.prod.outlook.com (2603:10b6:930:24::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY5PR12MB6179:EE_|BL1PR12MB5141:EE_ X-MS-Office365-Filtering-Correlation-Id: 494e723e-9e77-41b2-b599-08db24b39569 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: YiLZLElxaCOBEuEqb3nTXfDSELM2KErel+icmqrf3rJD8012BO339/tKdgDIg5ao+t725DKXhn75fd58PFUp+k18KSbJNFqH7mRpBNcC1cwcM+1HKwX8NlB9gY0NSFjyC/GbTDjr19+WNAEwF5/9qBQjQWAJnjaB0O+McSDAmADtEm8B6e+XPS6cxA34DM2f0fYEkAZRRt5gxdmedXtq2MhRlm4pEwoKTSKJYoyALKJtlcEshEhJRTdGNc5cdKHfwY7D8+awoNzb8gDIiu0NqSdojL6r/13TzFuF9QjHH4U+XgvQdhDVS+JVSyB4IXy2INaUGLajXzZqdYlr27OjTj8hJ2k7mvT4xHisr8rtpyhSFfiU8FTsXsYT5dN2wQpEDfBHUcSEmh3TDRR8D13BqW7zh24y8jHcKHwmmu6XkGH5QW9EJdtXN3eeRgoXP9ryeIECqQPcoQ8pvVKDQIQQFr1hJCtKSGKJQPbQaM7PcEK590BoJmHo+QRgiAt3T0gy3HxjWXPKT9wNWnvBv3PyXEx/7S/49tzR95kgVK8C2BtW80km6zMmA7EgsKe0QuRYSnwmI+6nVCN7LnOdsomABOfzk4U79C0C46yZMFgjLSjjZMBWLRLf1e1cSqGCMjA7kKuiay0hFz3oxvwb/oqwGg== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CY5PR12MB6179.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(7916004)(4636009)(39860400002)(346002)(396003)(136003)(366004)(376002)(451199018)(186003)(9686003)(26005)(6512007)(6506007)(33716001)(83380400001)(8936002)(6862004)(6666004)(107886003)(38100700002)(6486002)(4744005)(5660300002)(66556008)(66476007)(2906002)(8676002)(66946007)(41300700001)(4326008)(316002)(6636002)(54906003)(86362001)(478600001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?qMAowK02fP+V7LCB+kvj4MZfE4pDsQ6n+YJ83josTeCdEWFIZfB0y4NQhEyB?= =?us-ascii?Q?wYO/rBt8NoO950PFRL+ZVNa83SyEmpCf6W0NAUJ29iDxFU+uNpJG4cL2gXH2?= =?us-ascii?Q?k2bjvekgsSfWudvsS/Nyrny2r1YqtLvF2BTYRXkhdvi9+fTh3zr6SNlfYoSU?= =?us-ascii?Q?Ab6D6bocQjF/PO7pMcuj2wW+PCtqWhr5R8eq54WcHAzgUDhwVBr5XGHKDWqd?= =?us-ascii?Q?mYs9NDxer51r1khHJvXiO+xIOtTMt+lwiVGMKsdRXW0+7njloWED5vk0NDs4?= =?us-ascii?Q?c18eNLfkecd/kCLtZthShvIGR4QP5RBFfDIIRz5UvzEh2Q84IMPw6Dz5iolo?= =?us-ascii?Q?weq5++EdjNuIF9EjxdGBUc51LLClKKuZM95cMsJ1qoUvViVbLGDQcTU/12o7?= =?us-ascii?Q?sNXDC+bM4E/TxUyU6yQ9NqWDlvkOr49DI1e+tmgdMVFMW8Izx0No5CWma552?= =?us-ascii?Q?0WiwfHhO1Xfk++RKXPJGUR4n2a4HlrbmFbw90HlsVhCuq+JLGbeHT+2rWOPe?= =?us-ascii?Q?BDMNAg/Z+zX4WFLopcTLFBAG/MrI2yos+Hw8xrzplt3FM0ImUpmZD7S+azRT?= =?us-ascii?Q?wTrJJ3cBfzzcHjvK/2QwzOLoU2Cz7nqyf7f/wT0KqEGTlBeaVbh9fsCJg6RC?= =?us-ascii?Q?C/glo47stnGcMcbcso1aEPU1MfwW3kDFmJzPumK6OixCowz6PbM5Js+NL7HO?= =?us-ascii?Q?lUfdjAVIi1H2R+CjlG+wfh5N7MKsTg1S4duTxVcxDQbJHYQRMHoiUNqShpI2?= =?us-ascii?Q?vr8vM2uHh9pN0oIs0RcBrbrWMZEDVuDsxwwcJe7kv6tH1krYzaxj50i2A1xz?= =?us-ascii?Q?lcv0QWkl+qOzMev/TUdeOV7sOyGL7wqJnCMJoNhluwteq47aOorc9EXI5q8h?= =?us-ascii?Q?BqAwpYgXhU3z/kuNEo2rUU3upN7kInIFJtXMKR3pX8rV9k8n3lj1I6YmyRox?= =?us-ascii?Q?YTn6qez2ZMe1jBjjlPfNA5WNV6HCNkJSqKudxNTopHFO2yaKEh/dQPEqxZhE?= =?us-ascii?Q?GdZ5Zh3VbYjwNDo7bnR0MbkjoVw4xnkCRJKfeONHPKoKtKXa7H6LSWu5e693?= =?us-ascii?Q?sWrhHGcg2YdrZhhBU8uGFOr7+0UrohzuYGrI7CPTN70rWhhqfp0dzQF/ej5X?= =?us-ascii?Q?8uLsnrSSxfafecHHWQCThC/FkNbChDVVE0LMwF00296HNuws/ur0jiaDeN4T?= =?us-ascii?Q?6mN4nIHwraIxUVR/iHbezfr9AWbI+4Rxma9ccAfV0NIwCYRcOK1GlUH0I14A?= =?us-ascii?Q?9nI0urmtByYqYGAgGwGj7ZD9/qLnHf5gcKdIcXiqzyQtk3GtgtL6OFx3Nu4z?= =?us-ascii?Q?7OlQSNLyZcjjZ1Q5a9wSBViu34Ow47egZYpxdgrZ6midQQVNLlAsccNosD3C?= =?us-ascii?Q?fgWLu92Tf3eQfzE5hztyOtv/w4OmBoKkcU9xS6QMLOX/O8NBnSwwYh4vmevl?= =?us-ascii?Q?0Vrp1u/8mwPsw6TCtt1FMh2ZgkuaiwlBABR+YgN9anwQZiQj8ocyr4HnLgs0?= =?us-ascii?Q?8/3JXkaBgLOLy7GQweJ6RcGUOdVfeUoPC+wooPV49s1gOybyPDHL6GuFcwCl?= =?us-ascii?Q?WwfMMm08cy5DnmCCJJ1TDun1LCyqmThhwlmXuYEl?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 494e723e-9e77-41b2-b599-08db24b39569 X-MS-Exchange-CrossTenant-AuthSource: CY5PR12MB6179.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Mar 2023 17:43:12.9254 (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: dZPgxugC9tDebapLqrFgw+dLDKT+/M2XtosZ+mEowk+hYqx+ccRNaFaTCc0ANV1CaoLMK3o8skI5y8Vu6L4sbQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5141 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Mar 14, 2023 at 10:44:00AM +0100, Petr Machata wrote: > Like with the labels, address replacement messages with an explicit > IFA_PROTO are not bounced, they just neglect to actually change the > protocol. But it makes no sense to me that someone would issue address > replacement with an explicit proto set which differs from the current > one, but would still rely on the fact that the proto doesn't change... Especially when replace does work with IPv6 addresses. Couple that with the fact that it's a much newer attribute than the labels (added in 5.18) and that it has no support in iproute2, FRR, libnl etc, the chances of such a change breaking anyone are slim to none...