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; } if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { -- 2.43.0
