[PATCH net-next] net: ethernet: mtk_eth_soc: flower: validate control flags

[Simon Horman]

On Thu, Apr 18, 2024 at 04:18:15PM +0000, Asbjørn Sloth Tønnesen wrote:
> This driver currently doesn't support any control flags.
> 
> Use flow_rule_has_control_flags() to check for control flags,
> such as can be set through `tc flower ... ip_flags frag`.
> 
> In case any control flags are masked, flow_rule_has_control_flags()
> sets a NL extended error message, and we return -EOPNOTSUPP.
> 
> Only compile-tested.
> 
> Signed-off-by: Asbjørn Sloth Tønnesen <ast at fiberby.net>

Reviewed-by: Simon Horman <horms at kernel.org>