EFX_INTR_LINE
if (enp->en_intr.ei_type == EFX_INTR_LINE &&
eip->ei_type == EFX_INTR_LINE)
case EFX_INTR_LINE:
intr->type = EFX_INTR_LINE;
KASSERT(intr->type == EFX_INTR_LINE,