PPPOE_CONNECTED
case PPPOE_CONNECTED: {
sp->state == PPPOE_CONNECTED) {
sp->state = PPPOE_CONNECTED;
if ( sp->state != PPPOE_CONNECTED) {
sp->state = PPPOE_CONNECTED;
&& ((sp->state == PPPOE_CONNECTED)
sp->state != PPPOE_CONNECTED) {