Tue, Feb 03, 2026 at 08:10:33AM +0100, tariqt@nvidia.com wrote:
>From: Or Har-Toov <ohartoov@nvidia.com>
>
>Add documentation for the port-level resource feature to
>devlink-resource.rst. Port-level resources allow viewing resources
>associated with specific devlink ports.
>
>Currently, port-level resources only support the show command for
>viewing resource information.
>
>Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
>Reviewed-by: Shay Drori <shayd@nvidia.com>
>Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
>Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
>---
> .../networking/devlink/devlink-resource.rst | 36 +++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
>diff --git a/Documentation/networking/devlink/devlink-resource.rst b/Documentation/networking/devlink/devlink-resource.rst
>index 3d5ae51e65a2..4cdfc1dce180 100644
>--- a/Documentation/networking/devlink/devlink-resource.rst
>+++ b/Documentation/networking/devlink/devlink-resource.rst
>@@ -74,3 +74,39 @@ attribute, which represents the pending change in size. For example:
>
> Note that changes in resource size may require a device reload to properly
> take effect.
>+
>+Port-level Resources
>+====================
>+
>+In addition to device-level resources, ``devlink`` also supports port-level
>+resources. These resources are associated with a specific devlink port rather
>+than the device as a whole.
>+
>+Currently, port-level resources only support the ``show`` command for viewing
>+resource information.
>+
>+Port-level resources can be viewed for a specific port:
>+
>+.. code:: shell
>+
>+ $ devlink port resource show pci/0000:03:00.0/196608
>+ pci/0000:03:00.0/196608:
>+ name max_sfs size 20 unit entry
>+
>+Or for ports of a specific device:
>+
>+.. code:: shell
>+
>+ $ devlink port resource show pci/0000:03:00.0
>+ pci/0000:03:00.0/196608:
>+ name max_sfs size 20 unit entry
>+
>+Or for all ports across all devices:
>+
>+.. code:: shell
>+
>+ $ devlink port resource show
>+ pci/0000:03:00.0/196608:
>+ name max_sfs size 20 unit entry
>+ pci/0000:03:00.1/262144:
>+ name max_SFs size 20 unit entry
"max_SFs" vs "max_sfs", be consistent. Better to copy-paste actual
command output :)
>--
>2.40.1
>