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Diffstat (limited to 'Documentation/networking/device_drivers')
| -rw-r--r-- | Documentation/networking/device_drivers/mellanox/mlx5.rst | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/mellanox/mlx5.rst b/Documentation/networking/device_drivers/mellanox/mlx5.rst index b30a63dbf4b7..d071c6b49e1f 100644 --- a/Documentation/networking/device_drivers/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/mellanox/mlx5.rst @@ -11,6 +11,7 @@ Contents - `Enabling the driver and kconfig options`_ - `Devlink info`_ +- `Devlink parameters`_ - `Devlink health reporters`_ - `mlx5 tracepoints`_ @@ -122,6 +123,38 @@ User command example:: stored: fw.version 16.26.0100 +Devlink parameters +================== + +flow_steering_mode: Device flow steering mode +--------------------------------------------- +The flow steering mode parameter controls the flow steering mode of the driver. +Two modes are supported: +1. 'dmfs' - Device managed flow steering. +2. 'smfs - Software/Driver managed flow steering. + +In DMFS mode, the HW steering entities are created and managed through the +Firmware. +In SMFS mode, the HW steering entities are created and managed though by +the driver directly into Hardware without firmware intervention. + +SMFS mode is faster and provides better rule inserstion rate compared to default DMFS mode. + +User command examples: + +- Set SMFS flow steering mode:: + + $ devlink dev param set pci/0000:06:00.0 name flow_steering_mode value "smfs" cmode runtime + +- Read device flow steering mode:: + + $ devlink dev param show pci/0000:06:00.0 name flow_steering_mode + pci/0000:06:00.0: + name flow_steering_mode type driver-specific + values: + cmode runtime value smfs + + Devlink health reporters ======================== |