NFE_F_IRQ_TIMER
sc->sc_flags &= ~NFE_F_IRQ_TIMER;
sc->sc_flags |= NFE_F_IRQ_TIMER;
sc->sc_flags &= ~NFE_F_IRQ_TIMER;
sc->sc_flags &= ~NFE_F_IRQ_TIMER;
if ((sc->sc_flags & NFE_F_IRQ_TIMER) == 0 &&
sc->sc_flags |= NFE_F_IRQ_TIMER;
} else if ((sc->sc_flags & NFE_F_IRQ_TIMER) &&
sc->sc_flags &= ~NFE_F_IRQ_TIMER;