+static bool
+ofproto_group_exists(const struct ofproto *ofproto, uint32_t group_id)
+ OVS_EXCLUDED(ofproto->groups_rwlock)
+{
+ bool exists;
+
+ ovs_rwlock_rdlock(&ofproto->groups_rwlock);
+ exists = ofproto_group_exists__(ofproto, group_id);
+ ovs_rwlock_unlock(&ofproto->groups_rwlock);
+
+ return exists;
+}
+
+static uint32_t
+group_get_ref_count(struct ofgroup *group)
+ OVS_EXCLUDED(ofproto_mutex)
+{
+ struct ofproto *ofproto = group->ofproto;
+ struct rule_criteria criteria;
+ struct rule_collection rules;
+ struct match match;
+ enum ofperr error;
+ uint32_t count;
+
+ match_init_catchall(&match);
+ rule_criteria_init(&criteria, 0xff, &match, 0, htonll(0), htonll(0),
+ OFPP_ANY, group->group_id);
+ ovs_mutex_lock(&ofproto_mutex);
+ error = collect_rules_loose(ofproto, &criteria, &rules);
+ ovs_mutex_unlock(&ofproto_mutex);
+ rule_criteria_destroy(&criteria);
+
+ count = !error && rules.n < UINT32_MAX ? rules.n : UINT32_MAX;
+
+ rule_collection_destroy(&rules);
+ return count;
+}
+