ipfw_mark_object_kidx
if (ipfw_mark_object_kidx(bmask, IPFW_TLV_STATE_NAME, \
int ipfw_mark_object_kidx(uint32_t *bmask, uint16_t etlv, uint32_t kidx);
if (ipfw_mark_object_kidx(da->bmask, rw->etlv, kidx))