net/mwan3: add init script to enable/disable mwan3 globally

Adding a init script to "/etc/init.d/" introduce the possibility to
enable/disable mwan3 globally.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/mwan3/files/etc/init.d/mwan3

@@ -0,0 +1,32 @@
+#!/bin/sh /etc/rc.common
+
+START=19
+
+reload() {
+	local enabled
+
+	config_load mwan3
+	config_get_bool enabled globals 'enabled' 0
+	[ ${enabled} -gt 0 ] || {
+		echo "Warning: mwan3 is global disabled. Usage: /etc/init.d/mwan3 start"
+		exit 0
+	}
+	mwan3 restart
+}
+
+boot() {
+	. /lib/config/uci.sh
+	uci_toggle_state mwan3 globals enabled "1"
+}
+
+start() {
+	. /lib/config/uci.sh
+	uci_toggle_state mwan3 globals enabled "1"
+	mwan3 start
+}
+
+stop() {
+	. /lib/config/uci.sh
+	uci_toggle_state mwan3 globals enabled "0"
+	mwan3 stop
+}