AE_RXD_COUNT_DEFAULT
AE_RXD_COUNT_DEFAULT * 1536 + 120,
sc->rxd_cur = (sc->rxd_cur + 1) % AE_RXD_COUNT_DEFAULT;
AE_WRITE_2(sc, AE_RXD_COUNT_REG, AE_RXD_COUNT_DEFAULT);
AE_WRITE_2(sc, AE_FLOW_THRESH_HI_REG, (AE_RXD_COUNT_DEFAULT / 8) * 7);
(AE_RXD_COUNT_DEFAULT / 12) ? (AE_RXD_COUNT_MIN / 8) :
(AE_RXD_COUNT_DEFAULT / 12));