On Mon, Feb 03, 2025 at 04:03:16PM +0100, Jedrzej Jagielski wrote:
> Add an initial support for devlink interface to ixgbe driver.
>
> Similarly to i40e driver the implementation doesn't enable
> devlink to manage device-wide configuration. Devlink instance
> is created for each physical function of PCIe device.
>
> Create separate directory for devlink related ixgbe files
> and use naming scheme similar to the one used in the ice driver.
>
> Add a stub for Documentation, to be extended by further patches.
>
> Reviewed-by: Mateusz Polchlopek <mateusz.polchlo...@intel.com>
> Signed-off-by: Jedrzej Jagielski <jedrzej.jagiel...@intel.com>
...
> +/**
> + * ixgbe_devlink_register_port - Register devlink port
> + * @adapter: pointer to the device adapter structure
> + *
> + * Create and register a devlink_port for this physical function.
> + *
> + * Return: 0 on success, error code on failure.
> + */
> +int ixgbe_devlink_register_port(struct ixgbe_adapter *adapter)
> +{
> + struct devlink_port *devlink_port = &adapter->devlink_port;
> + struct devlink *devlink = adapter->devlink;
> + struct device *dev = &adapter->pdev->dev;
> + struct devlink_port_attrs attrs = {};
> + int err;
> +
> + attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
> + attrs.phys.port_number = adapter->hw.bus.func;
> + ixgbe_devlink_set_switch_id(adapter, &attrs.switch_id);
> +
> + devlink_port_attrs_set(devlink_port, &attrs);
> +
> + err = devl_port_register(devlink, devlink_port, 0);
> + if (err) {
> + dev_err(dev,
> + "devlink port registration failed, err %d\n",
> + err);
nit: I think we can fit this onto one 80 column-wide line (just!).
dev_err(dev, "devlink port registration failed, err %d\n", err);
> + }
> +
> + return err;
> +}
...
