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| author |   Michael Guralnik <michaelgur@mellanox.com> | 2019-11-08 23:45:24 +0000 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2019-11-11 12:15:29 -0800 |
| commit | cc9defcbb8fae52810f7795b039223edae51ef95 (patch) | |
| tree | 4ee11cf42b8e8b8fdbd03414c93a2a74e5a587dd /Documentation/networking | |
| parent | net/mlx5: Document flow_steering_mode devlink param (diff) | |
| download | linux-dev-cc9defcbb8fae52810f7795b039223edae51ef95.tar.xz linux-dev-cc9defcbb8fae52810f7795b039223edae51ef95.zip | |
net/mlx5: Handle "enable_roce" devlink param
Register "enable_roce" param, default value is RoCE enabled.
Current configuration is stored on mlx5_core_dev and exposed to user
through the cmode runtime devlink param.
Changing configuration requires changing the cmode driverinit devlink
param and calling devlink reload.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/device_drivers/mellanox/mlx5.rst | 21 | ||||
| -rw-r--r-- | Documentation/networking/devlink-params-mlx5.txt | 5 |
2 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/mellanox/mlx5.rst b/Documentation/networking/device_drivers/mellanox/mlx5.rst index d071c6b49e1f..7599dceba9f1 100644 --- a/Documentation/networking/device_drivers/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/mellanox/mlx5.rst @@ -154,6 +154,27 @@ User command examples: values: cmode runtime value smfs +enable_roce: RoCE enablement state +---------------------------------- +RoCE enablement state controls driver support for RoCE traffic. +When RoCE is disabled, there is no gid table, only raw ethernet QPs are supported and traffic on the well known UDP RoCE port is handled as raw ethernet traffic. + +To change RoCE enablement state a user must change the driverinit cmode value and run devlink reload. + +User command examples: + +- Disable RoCE:: + + $ devlink dev param set pci/0000:06:00.0 name enable_roce value false cmode driverinit + $ devlink dev reload pci/0000:06:00.0 + +- Read RoCE enablement state:: + + $ devlink dev param show pci/0000:06:00.0 name enable_roce + pci/0000:06:00.0: + name enable_roce type generic + values: + cmode driverinit value true Devlink health reporters ======================== diff --git a/Documentation/networking/devlink-params-mlx5.txt b/Documentation/networking/devlink-params-mlx5.txt index 8c0b82d655dc..5071467118bd 100644 --- a/Documentation/networking/devlink-params-mlx5.txt +++ b/Documentation/networking/devlink-params-mlx5.txt @@ -10,3 +10,8 @@ flow_steering_mode [DEVICE, DRIVER-SPECIFIC] without firmware intervention. Type: String Configuration mode: runtime + +enable_roce [DEVICE, GENERIC] + Enable handling of RoCE traffic in the device. + Defaultly enabled. + Configuration mode: driverinit |