PPPOE_SOFFER
sp->state = PPPOE_SOFFER;
if (sp->state != PPPOE_SOFFER) {
sp->state = PPPOE_SOFFER;
case PPPOE_SOFFER:
case PPPOE_SOFFER:
case PPPOE_SOFFER:
sp->state = PPPOE_SOFFER;
sp->state = PPPOE_SOFFER;
} else if (sp->state != PPPOE_SOFFER)
case PPPOE_SOFFER: