Y2_HWE_L2_MASK
if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
Y2_HWE_L1_MASK | Y2_HWE_L2_MASK)