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Thu, 7 Mar 2024 16:01:17 -0800 From: William Tu To: CC: , , , Subject: [PATCH net-next] Documentation: Add documentation for eswitch attribute Date: Fri, 8 Mar 2024 02:01:06 +0200 Message-ID: <20240308000106.17605-1-witu@nvidia.com> X-Mailer: git-send-email 2.38.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044EF:EE_|CH3PR12MB9395:EE_ X-MS-Office365-Filtering-Correlation-Id: 0228065b-d2df-4827-9f1a-08dc3f02ee6a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230031)(82310400014)(36860700004)(1800799014)(376005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2024 00:01:40.1123 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0228065b-d2df-4827-9f1a-08dc3f02ee6a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044EF.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9395 Provide devlink documentation for three eswitch attributes: mode, inline-mode, and encap-mode. Signed-off-by: William Tu --- .../devlink/devlink-eswitch-attr.rst | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/networking/devlink/devlink-eswitch-attr.rst diff --git a/Documentation/networking/devlink/devlink-eswitch-attr.rst b/Documentation/networking/devlink/devlink-eswitch-attr.rst new file mode 100644 index 000000000000..2405f19e1439 --- /dev/null +++ b/Documentation/networking/devlink/devlink-eswitch-attr.rst @@ -0,0 +1,58 @@ +.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +========================= +Devlink Eswitch Attribute +========================= + +The ``devlink-eswitch-attribute`` allows setting/getting devlink eswitch +device's attributes. + + +Attributes Description +====================== + +The following is a list of eswitch attributes that users may use. + +.. list-table:: eswitch attributes + :widths: 8 5 45 + + * - Name + - Type + - Description + * - ``mode`` + - enum + - The mode of the device. The mode can be one of the following: + + * ``legacy`` Legacy SRIOV. + * ``switchdev`` SRIOV switchdev offloads. + * - ``inline-mode`` + - enum + - Some HWs need the VF driver to put part of the packet + headers on the TX descriptor so the e-switch can do proper + matching and steering. + + * ``none`` none. + * ``link`` L2 mode. + * ``network`` L3 mode. + * ``transport`` L4 mode. + * - ``encap-mode`` + - enum + - The encapsulation mode of the device. The mode can be one of the following: + + * ``none`` Disable encapsulation support. + * ``basic`` Enable encapsulation support. + +example usage +------------- + +.. code:: shell + + # enable switchdev mode + $ devlink dev eswitch set pci/0000:08:00.0 mode switchdev + + # set inline-mode and encap-mode + $ devlink dev eswitch set pci/0000:08:00.0 inline-mode none encap-mode basic + + # display devlink device eswitch attributes + $ devlink dev eswitch show pci/0000:08:00.0 + pci/0000:08:00.0: mode switchdev inline-mode none encap-mode basic -- 2.38.1