STATUS_RU
STATUS_RU | STATUS_RPS | STATUS_SE | STATUS_AIS;
sc->sc_rxint_mask = STATUS_RI | STATUS_RU;
if (rxstatus & STATUS_RU) {
if (rxstatus & STATUS_RU) {
STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS;
sc->sc_rxint_mask = STATUS_RI | STATUS_RU | STATUS_RWT;