Re: [PATCH iwl-next v4 2/2] ice: Implement 'flow-type ether' rules

[Simon Horman <horms@kernel.org>]

On Wed, Jan 24, 2024 at 04:21:41PM +0100, Lukasz Plachno wrote:
> From: Jakub Buchocki <jakubx.buchocki@intel.com>
> 
> Add support for 'flow-type ether' Flow Director rules via ethtool.
> 
> Rules not containing masks are processed by the Flow Director,
> and support the following set of input parameters in all combinations:
> src, dst, proto, vlan-etype, vlan, action.
> 
> It is possible to specify address mask in ethtool parameters but only
> 00:00:00:00:00 and FF:FF:FF:FF:FF are valid.
> The same applies to proto, vlan-etype and vlan masks:
> only 0x0000 and 0xffff masks are valid.
> 
> Signed-off-by: Jakub Buchocki <jakubx.buchocki@intel.com>
> Co-developed-by: Mateusz Pacuszka <mateuszx.pacuszka@intel.com>
> Signed-off-by: Mateusz Pacuszka <mateuszx.pacuszka@intel.com>
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
> Signed-off-by: Lukasz Plachno <lukasz.plachno@intel.com>

...

> +/**
> + * ice_set_ether_flow_seg

nit: @dev should be documented here.

> + * @seg: flow segment for programming
> + * @eth_spec: mask data from ethtool
> + *
> + * Return: 0 on success and errno in case of error.
> + */
> +static int ice_set_ether_flow_seg(struct device *dev,
> +				  struct ice_flow_seg_info *seg,
> +				  struct ethhdr *eth_spec)

...