ip_drop_register
ip_drop_register(&ahstack->ah_dropper, "IPsec AH");
ip_drop_register(&espstack->esp_dropper, "IPsec ESP");
ip_drop_register(&ipss->ipsec_sadb_dropper, "IPsec SADB");
ip_drop_register(&ipss->ipsec_spd_dropper, "IPsec SPD");
ip_drop_register(&ipss->ipsec_dropper, "IP IPsec processing");
void ip_drop_register(ipdropper_t *, char *);
ip_drop_register(&tcps->tcps_dropper, "TCP IPsec policy enforcement");