include /lib/network
config_load network
scan_interfaces
config_get proto "$INTERFACE" proto
[ "$proto" = "3g" ] && {
	config_get iface "$INTERFACE" ifname
	case "$ACTION" in
		ifup)
			iptables -I LAN_ACCEPT 1 -i "$iface" -j RETURN
			iptables -A FORWARD -o "$iface" -j ACCEPT
			iptables -t nat -A POSTROUTING -o "$iface" -j MASQUERADE 
			set_3g_led 1 1 0
		;;
		ifdown)
			iptables -D LAN_ACCEPT -i "$iface" -j RETURN
			iptables -D FORWARD -o "$iface" -j ACCEPT
			iptables -t nat -D POSTROUTING -o "$iface" -j MASQUERADE 
			set_3g_led 0 0 0
		;;
	esac
}