kidx
uint32_t kidx);
int ipfw_mark_object_kidx(uint32_t *bmask, uint16_t etlv, uint32_t kidx);
uint32_t kidx);
int ipfw_ref_table(struct ip_fw_chain *ch, ipfw_obj_ntlv *ntlv, uint32_t *kidx);
void ipfw_unref_table(struct ip_fw_chain *ch, uint32_t kidx);