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Miller" Cc: Andrew Lunn , Florian Fainelli , Vivien Didelot , DENG Qingfang , Sean Wang , Landen Chao , Vladimir Oltean Subject: [PATCH v2 net 0/3] Always flood multicast to the DSA CPU port Date: Fri, 6 Aug 2021 03:20:05 +0300 Message-Id: <20210806002008.2577052-1-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: VI1PR08CA0087.eurprd08.prod.outlook.com (2603:10a6:800:d3::13) To VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (188.25.144.60) by VI1PR08CA0087.eurprd08.prod.outlook.com (2603:10a6:800:d3::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.15 via Frontend Transport; Fri, 6 Aug 2021 00:20:36 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4a74143f-dc28-4c2d-1d35-08d95870034f X-MS-TrafficTypeDiagnostic: VE1PR04MB7341: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2089; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ncaF5mJPmi+HrnnX9xMD2qw7bowq5nVAEnrS5a2JQ3xYkmnrcvTdoSJOjM0p?= =?us-ascii?Q?tcdPjIV4DyF7oef7JvEvLBP9OYWsI9Id/p6TrmXY0nbEiS6yS58+QVI2PtwZ?= =?us-ascii?Q?F83ZvCTZ3ss4i8jXLfOfDB6ajMkVRBpFG2+waBnwWuoTDsDibqv03s2p9HBH?= =?us-ascii?Q?ZnumneoFpOGrqT57+tt3pYqRl/BZVM/NipLgeh0Se5LeFtXmUkA8TFDRwJRG?= =?us-ascii?Q?GvV47L6K7ISAXb766up43GDwk9mweqyXvJ/m1q04UCDfrkZLlD+bAqSbtQwt?= =?us-ascii?Q?KyJdU54jQKprnb+MfC2ZbtvpG2ONIukr36lTImIJ1KnouSL9pE/800QxAHFi?= =?us-ascii?Q?7Un8gbMXDOPnlAujwgidv+LPgIgv1thYKUIMzrrhCzhQ0tuqL+wcTuZPoPXC?= =?us-ascii?Q?tNWnF5HUb8ItwIf/h9OvJeBS231vJ62Kcdltrnzod6dx7L7knXsV11XoCcWv?= =?us-ascii?Q?F8/F6d59hoceP++xDx/tep3YTp7CDBH2I+sqD68crSTlovIuxJ3rh1JHM988?= =?us-ascii?Q?pcJuNbaaXJVMWU/ivHqR+AfDy8jov+KCLdMNyLMXnkDjL+S2UaHaI7IpZkKA?= =?us-ascii?Q?XfUPf5aeb6ty/CeewvT1hzm2urbvECN3GY8F4SKgnBDE98n5NJgI/Y6J+YMb?= =?us-ascii?Q?uzULAGT85mIr8HtYoKv7KWb4Hw7OvnxRliQnaIEx0xIiIJ/l6vtIrBF1eOui?= =?us-ascii?Q?m0Fmev/PlM5U1UBK6P5o/olXzKWRaef+D0/GgzsZT2UATfO3QmnxoPzaqTKw?= =?us-ascii?Q?/grC5tjCiTi+iVY9fhZSijcFMhNTKQCCUtnFnr/Tb3RKiTuapza9smD5QCs2?= =?us-ascii?Q?At2BdtZhmL0I5i1F6vx79Y/ZBwvthNkhA8AJha29RfXPSXSBcHlmfIn5W62e?= =?us-ascii?Q?8gCA48xgkU+dtkG9Ygj637tACm/JOB+taBfU6oQQGhQE6Vh7wDSdZvC1ELnp?= =?us-ascii?Q?iolwOzqk4UaIrLx99gTJO0YLhHa+f6R4XFg1m7E6v+VCDqtFNznl8m3HW7xm?= =?us-ascii?Q?bSp1/ZUOhz5htQwnuWsizTdQXbJXh4aUkM2TI4EJHaIATpK4eeWzTSH1kv+l?= =?us-ascii?Q?vklzbirpSVm8Zc9r3zOLWrHvD2kBW4vPVOfxrDBWXAPrG01eRIssMXf/HSDh?= =?us-ascii?Q?IzqzqdsppP8ARynDeqh0Fkh87o6O4yOEZa90rKVQmTfbtxVZ7EtFJidJtsMh?= =?us-ascii?Q?BdZm9962LcvOLbI6UFM1qbhMtVsLAndlahlhz3cOOb8TpjuYJ+CrdhBGydfw?= =?us-ascii?Q?lnzOyGhgTkasTsObOu6mAX844j7MWQ42XRHVX9+zjZK7iLFjAmrMSL8Jrg1d?= =?us-ascii?Q?FoX1sLbL3kwaA34NKdhbcS2R?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4a74143f-dc28-4c2d-1d35-08d95870034f X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5136.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Aug 2021 00:20:36.6003 (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: D3S6dl+DqEpDUz29elLV1Gt9I+E473Fkg+CD12ZOM2SYkhrsC/DM33/5NS3r0zswCEhV/Y1vX8JSCkPrrlu5TQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7341 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Discussing with Qingfang, it became obvious that DSA is not prepared to disable multicast flooding towards the CPU port under any circumstance right now, and this in fact breaks traffic quite blatantly. This series is a revert done in reverse chronological order. These should be propagated to stable trees up to commit a8b659e7ff75 ("net: dsa: act as passthrough for bridge port flags") which is in v5.12. For older kernels, that commit blocks further backporting, so I need to send a modified version of patch 3 separately to Greg after these go into "net". v1->v2: delete unused b53_set_mrouter function prototype Vladimir Oltean (3): net: dsa: stop syncing the bridge mcast_router attribute at join time net: dsa: mt7530: remove the .port_set_mrouter implementation net: dsa: don't disable multicast flooding to the CPU even without an IGMP querier drivers/net/dsa/b53/b53_common.c | 10 ---------- drivers/net/dsa/b53/b53_priv.h | 2 -- drivers/net/dsa/bcm_sf2.c | 1 - drivers/net/dsa/mt7530.c | 13 ------------- drivers/net/dsa/mv88e6xxx/chip.c | 18 ------------------ include/net/dsa.h | 2 -- net/dsa/dsa_priv.h | 2 -- net/dsa/port.c | 21 --------------------- net/dsa/slave.c | 6 ------ 9 files changed, 75 deletions(-) -- 2.25.1