ipsec6_in_reject
if (ipsec6_in_reject(m, NULL) != 0) {
if (ipsec6_lasthdr(nxt) && ipsec6_in_reject(m, NULL)) {
.check_policy = ipsec6_in_reject,
if (ipsec6_in_reject(m, NULL) != 0) {
int ipsec6_in_reject(const struct mbuf *, struct inpcb *);