ppp_cp_event(proto->dev, PID_LCP, STOP, 0, 0, 0, NULL);
ppp_cp_event(proto->dev, PID_LCP, START, 0, 0, 0, NULL);
} else { /* send keep-alive packet */
ppp_cp_event(proto->dev, PID_LCP, STOP, 0, 0, 0, NULL);
ppp_cp_event(proto->dev, PID_LCP, START, 0, 0, 0, NULL);
} else { /* send keep-alive packet */