On Tue, Apr 16, 2024 at 02:43:30PM +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 <[email protected]>
> ---
>  drivers/net/ethernet/intel/ice/ice_tc_lib.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c 
> b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
> index 2f2fce285ecd..361abd7d7561 100644
> --- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
> +++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
> @@ -1673,6 +1673,10 @@ ice_parse_cls_flower(struct net_device *filter_dev, 
> struct ice_vsi *vsi,
>               flow_rule_match_control(rule, &match);
>  
>               addr_type = match.key->addr_type;
> +
> +             if (flow_rule_has_control_flags(match.mask->flags,
> +                                             fltr->extack))
> +                     return -EOPNOTSUPP;
>       }
>  

Thanks,
Reviewed-by: Michal Swiatkowski <[email protected]>

>       if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
> -- 
> 2.43.0
> 

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