PPP_IP
case PPP_IP:
case PPP_IP:
case PPP_IP:
cp[3] = PPP_IP;
proto = PPP_IP;
proto = PPP_IP;
cp[3] = PPP_IP;
case PPP_IP:
case PPP_IP:
protocol = PPP_IP;
case PPP_IP:
protocol = htons(PPP_IP);