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b=JvWx9zCvQWxcJj2Ld1y9ALrPt1/tqPiSYnL/UwC362GTuq4H/2Gmr1YWkbMB5WEDhnTWcomXfdCy+iDvPBHnjHkITRF0vv5Bmlu/xiPC+ZOzuV3M2jE92eKaZoi6XdMNFD4RLvtKpVXQVA4KfNkcsVm8qqecBHeRd9BCQk/cTgg= Received: from AM0PR04MB5121.eurprd04.prod.outlook.com (2603:10a6:208:c1::16) by AM0PR04MB6465.eurprd04.prod.outlook.com (2603:10a6:208:16e::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4801.14; Fri, 17 Dec 2021 18:12:36 +0000 Received: from AM0PR04MB5121.eurprd04.prod.outlook.com ([fe80::8d61:83aa:b70c:3208]) by AM0PR04MB5121.eurprd04.prod.outlook.com ([fe80::8d61:83aa:b70c:3208%6]) with mapi id 15.20.4778.018; Fri, 17 Dec 2021 18:12:36 +0000 From: Vladimir Oltean To: Horatiu Vultur CC: "netdev@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "davem@davemloft.net" , "kuba@kernel.org" , "robh+dt@kernel.org" , "UNGLinuxDriver@microchip.com" , "linux@armlinux.org.uk" , "f.fainelli@gmail.com" , "vivien.didelot@gmail.com" , "andrew@lunn.ch" Subject: Re: [PATCH net-next v7 9/9] net: lan966x: Extend switchdev with fdb support Thread-Topic: [PATCH net-next v7 9/9] net: lan966x: Extend switchdev with fdb support Thread-Index: AQHX81485q7W8Qj6DU+J0X6deflh6qw2/JiA Date: Fri, 17 Dec 2021 18:12:35 +0000 Message-ID: <20211217181235.wquhfoq6qyqsfkxp@skbuf> References: <20211217155353.460594-1-horatiu.vultur@microchip.com> <20211217155353.460594-10-horatiu.vultur@microchip.com> In-Reply-To: <20211217155353.460594-10-horatiu.vultur@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; 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charset="us-ascii" Content-ID: <8FAA79077FFBDD46A8A5618EE807DF89@eurprd04.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB5121.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a5406aa4-c63e-4351-be51-08d9c188cdc2 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Dec 2021 18:12:35.9771 (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: UvZ0XTsyetXqMc+LRAroEK+yDvd1qR8FlTk6/QIVC/RQFHh5DtWo/6TBpJfjMHCe81jnUpjtKnVjKX5bJmNMSg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6465 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 17, 2021 at 04:53:53PM +0100, Horatiu Vultur wrote: > Extend lan966x driver with fdb support by implementing the switchdev > calls SWITCHDEV_FDB_ADD_TO_DEVICE and SWITCHDEV_FDB_DEL_TO_DEVICE. >=20 > Signed-off-by: Horatiu Vultur > --- Looks pretty good. Just one question, since I can't figure this out by looking at the code. Is the CPU port in the unknown unicast flood mask currently? > .../net/ethernet/microchip/lan966x/Makefile | 2 +- > .../ethernet/microchip/lan966x/lan966x_fdb.c | 244 ++++++++++++++++++ > .../ethernet/microchip/lan966x/lan966x_main.c | 5 + > .../ethernet/microchip/lan966x/lan966x_main.h | 14 + > .../microchip/lan966x/lan966x_switchdev.c | 21 ++ > .../ethernet/microchip/lan966x/lan966x_vlan.c | 15 +- > 6 files changed, 298 insertions(+), 3 deletions(-) > create mode 100644 drivers/net/ethernet/microchip/lan966x/lan966x_fdb.c (...) > +static void lan966x_fdb_add_entry(struct lan966x *lan966x, > + struct switchdev_notifier_fdb_info *fdb_info) > +{ > + struct lan966x_fdb_entry *fdb_entry; > + > + fdb_entry =3D lan966x_fdb_find_entry(lan966x, fdb_info); > + if (fdb_entry) { > + fdb_entry->references++; > + return; > + } > + > + fdb_entry =3D kzalloc(sizeof(*fdb_entry), GFP_KERNEL); > + if (!fdb_entry) > + return; > + > + memcpy(fdb_entry->mac, fdb_info->addr, ETH_ALEN); ether_addr_copy > + fdb_entry->vid =3D fdb_info->vid; > + fdb_entry->references =3D 1; > + list_add_tail(&fdb_entry->list, &lan966x->fdb_entries); > +}=