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Diffstat (limited to 'Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst index 01deedb71597..db62187eebce 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/switchdev.rst @@ -45,6 +45,26 @@ Following bridge VLAN functions are supported by mlx5: Subfunction =========== +Subfunction which are spawned over the E-switch are created only with devlink +device, and by default all the SF auxiliary devices are disabled. +This will allow user to configure the SF before the SF have been fully probed, +which will save time. + +Usage example: +Create SF: +$ devlink port add pci/0000:08:00.0 flavour pcisf pfnum 0 sfnum 11 +$ devlink port function set pci/0000:08:00.0/32768 \ + hw_addr 00:00:00:00:00:11 state active + +Enable ETH auxiliary device: +$ devlink dev param set auxiliary/mlx5_core.sf.1 \ + name enable_eth value true cmode driverinit + +Now, in order to fully probe the SF, use devlink reload: +$ devlink dev reload auxiliary/mlx5_core.sf.1 + +mlx5 supports ETH,rdma and vdpa (vnet) auxiliary devices devlink params (see :ref:`Documentation/networking/devlink/devlink-params.rst`) + mlx5 supports subfunction management using devlink port (see :ref:`Documentation/networking/devlink/devlink-port.rst <devlink_port>`) interface. A subfunction has its own function capabilities and its own resources. This |