diff options
| author | Yishai Hadas <yishaih@nvidia.com> | 2022-12-06 21:51:17 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-12-08 07:09:18 +0300 |
| commit | 7db98396ef4581e4ca2f7e7beb766f4d19fc856a (patch) | |
| tree | c6c25dc3c5d70d8fe8170a3c3e521e8089835df3 /Documentation/networking/device_drivers | |
| parent | 47d0c500d76c7b1d220c47cd875763fef04eba2e (diff) | |
| download | linux-7db98396ef4581e4ca2f7e7beb766f4d19fc856a.tar.xz | |
net/mlx5: E-Switch, Implement devlink port function cmds to control RoCE
Implement devlink port function commands to enable / disable RoCE.
This is used to control the RoCE device capabilities.
This patch implement infrastructure which will be used by downstream
patches that will add additional capabilities.
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/networking/device_drivers')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst index 07cfc1b07db3..8b8f95d1293a 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5.rst @@ -354,6 +354,16 @@ MAC address setup mlx5 driver support devlink port function attr mechanism to setup MAC address. (refer to Documentation/networking/devlink/devlink-port.rst) +RoCE capability setup +--------------------- +Not all mlx5 PCI devices/SFs require RoCE capability. + +When RoCE capability is disabled, it saves 1 Mbytes worth of system memory per +PCI devices/SF. + +mlx5 driver support devlink port function attr mechanism to setup RoCE +capability. (refer to Documentation/networking/devlink/devlink-port.rst) + SF state setup -------------- To use the SF, the user must activate the SF using the SF function state |