+static enum ofperr
+check_mask(struct ofproto_dpif *ofproto, const struct miniflow *flow)
+{
+ const struct odp_support *support;
+ uint16_t ct_state, ct_zone;
+ ovs_u128 ct_label;
+ uint32_t ct_mark;
+
+ support = &ofproto_dpif_get_support(ofproto)->odp;
+ ct_state = MINIFLOW_GET_U16(flow, ct_state);
+ if (support->ct_state && support->ct_zone && support->ct_mark
+ && support->ct_label) {
+ return ct_state & CS_UNSUPPORTED_MASK ? OFPERR_OFPBMC_BAD_MASK : 0;
+ }
+
+ ct_zone = MINIFLOW_GET_U16(flow, ct_zone);
+ ct_mark = MINIFLOW_GET_U32(flow, ct_mark);
+ ct_label = MINIFLOW_GET_U128(flow, ct_label);
+
+ if ((ct_state && !support->ct_state)
+ || (ct_state & CS_UNSUPPORTED_MASK)
+ || (ct_zone && !support->ct_zone)
+ || (ct_mark && !support->ct_mark)
+ || (!ovs_u128_is_zero(&ct_label) && !support->ct_label)) {
+ return OFPERR_OFPBMC_BAD_MASK;
+ }
+
+ return 0;
+}
+
+static enum ofperr
+check_actions(const struct ofproto_dpif *ofproto,
+ const struct rule_actions *const actions)
+{
+ const struct ofpact *ofpact;
+
+ OFPACT_FOR_EACH (ofpact, actions->ofpacts, actions->ofpacts_len) {
+ const struct odp_support *support;
+ const struct ofpact_conntrack *ct;
+ const struct ofpact *a;
+
+ if (ofpact->type != OFPACT_CT) {
+ continue;
+ }
+
+ ct = CONTAINER_OF(ofpact, struct ofpact_conntrack, ofpact);
+ support = &ofproto_dpif_get_support(ofproto)->odp;
+
+ if (!support->ct_state) {
+ return OFPERR_OFPBAC_BAD_TYPE;
+ }
+ if ((ct->zone_imm || ct->zone_src.field) && !support->ct_zone) {
+ return OFPERR_OFPBAC_BAD_ARGUMENT;
+ }
+
+ OFPACT_FOR_EACH(a, ct->actions, ofpact_ct_get_action_len(ct)) {
+ const struct mf_field *dst = ofpact_get_mf_dst(a);
+
+ if (dst && ((dst->id == MFF_CT_MARK && !support->ct_mark)
+ || (dst->id == MFF_CT_LABEL && !support->ct_label))) {
+ return OFPERR_OFPBAC_BAD_SET_ARGUMENT;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static enum ofperr
+rule_check(struct rule *rule)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->ofproto);
+ enum ofperr err;
+
+ err = check_mask(ofproto, &rule->cr.match.mask->masks);
+ if (err) {
+ return err;
+ }
+ return check_actions(ofproto, rule->actions);
+}
+