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Fri, 26 Jun 2020 05:13:15 +0000 From: Parav Pandit To: "netdev@vger.kernel.org" CC: "stephen@networkplumber.org" , Jiri Pirko , "dsahern@kernel.org" Subject: RE: [PATCH iproute2-next 0/4] devlink: Support get,set mac address of a port function Thread-Topic: [PATCH iproute2-next 0/4] devlink: Support get,set mac address of a port function Thread-Index: AQHWSUtS0T3BXoXDzkGg9cvwqSd2dajqXg+g Date: Fri, 26 Jun 2020 05:13:15 +0000 Message-ID: References: <20200623104425.2324-1-parav@mellanox.com> In-Reply-To: <20200623104425.2324-1-parav@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=mellanox.com; x-originating-ip: [122.172.101.57] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: f80ecabc-29c0-4114-22db-08d8198fa198 x-ms-traffictypediagnostic: AM0PR05MB4628: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; 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x-ms-exchange-antispam-messagedata: m5AM295JLkOcAT6vsLTS82Tv6D0b8Fi93uVHqxpDJ71dxVtTAvoJymAxYCoicOSWKmbR7LJzKuw/vFvhFUzFOaERzMSilR1AmNQeyRuuaFMByO6kCUO7gqIZzKW+Cml1z/LjbKqF0K5G+Lp8l/HCjssBzrH2v38mUVhl8eG0IavEFrQLXAri5AuFFZGv8qQZMlBznlywIg37nmm80FXxCalZ5dfjY1W0cd3EJOrJzmfJgHeIZqrjt/txOk4H/3r4GrkltTyega1Ii+mMr+ZJyVK4nNUYAvVbvW3CzE2DUQinnCRLxHk0P9iFWlB+8HlyEbWqkPd4mUm/K35MdgfdbP5UhGiJw1iu+mfa+1VvfQmip8oO2DyzptNoZwNnGLNpCE9gO8yUkAPGLHvDSb9uB6cVSJGUEaOvkwGZIeOB7mNMZutbsPsAtoZvl73QuuJuc6XE1O4gRAKsPcDeccoCN/374h996vIBP5wDY1waiJZKGLLO8EvQZbH8UoQH0JMZ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM0PR05MB4866.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f80ecabc-29c0-4114-22db-08d8198fa198 X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Jun 2020 05:13:15.4255 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jbnp2+Tb1yTa8k1AVOHCRczqtAS3fQf3YiyRBki0IEnuKPo7cowIqli81bGAAQRIAZd7u6XIU1F4TBBNloUaAQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB4628 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi David, > From: Parav Pandit > Sent: Tuesday, June 23, 2020 4:14 PM >=20 > Currently ip link set dev vf has few be= low > limitations. >=20 > 1. Command is limited to set VF parameters only. > It cannot set the default MAC address for the PCI PF. >=20 > 2. It can be set only on system where PCI SR-IOV is supported. > In smartnic based system, eswitch of a NIC resides on a different embedde= d cpu > which has the VF and PF representors for the SR-IOV support on a host sys= tem in > which this smartnic is plugged-in. >=20 > 3. It cannot setup the function attributes of sub-function described in d= etail in > comprehensive RFC [1] and [2]. >=20 > This series covers the first small part to let user query and set MAC add= ress > (hardware address) of a PCI PF/VF which is represented by devlink port. >=20 > Patch summary: > Patch-1 Sync kernel header > Patch-2 Move devlink port code at start to reuse > Patch-3 Extends port dump command to query additional port function > attribute(s) > Patch-4 Enables user to set port function hardware address >=20 > [1] https://lore.kernel.org/netdev/20200519092258.GF4655@nanopsycho/ > [2] https://marc.info/?l=3Dlinux-netdev&m=3D158555928517777&w=3D2 >=20 Did you get a chance to review this short series? > Parav Pandit (4): > Update kernel headers > devlink: Move devlink port code at start to reuse > devlink: Support querying hardware address of port function > devlink: Support setting port function hardware address >=20 > devlink/devlink.c | 378 ++++++++++++++++++++++++----------- > include/uapi/linux/devlink.h | 12 ++ > 2 files changed, 269 insertions(+), 121 deletions(-) >=20 > -- > 2.25.4