IPFW_RULE_F_CROSSREF
KASSERT(rule->rule_flags & IPFW_RULE_F_CROSSREF,
if (rule_flags & IPFW_RULE_F_CROSSREF) {
if ((rule->rule_flags & IPFW_RULE_F_CROSSREF) == 0) {
*rule_flags |= IPFW_RULE_F_CROSSREF;
(IPFW_RULE_F_CROSSREF | IPFW_RULE_F_INVALID)) ==
(IPFW_RULE_F_CROSSREF | IPFW_RULE_F_INVALID));
(IPFW_RULE_F_CROSSREF | IPFW_RULE_F_INVALID)) ==
(IPFW_RULE_F_CROSSREF | IPFW_RULE_F_INVALID));