twe_get_param_2
if (twe_get_param_2(sc, TWE_PARAM_AEN, TWE_PARAM_AEN_UnitCode, &aen))
if (twe_get_param_2(sc, table, TWE_PARAM_UNITINFO_DescriptorSize, &dsize)) {
static int twe_get_param_2(struct twe_softc *sc, int table_id, int param_id, u_int16_t *result);