Fix: Resolve MR comments

mcastmngr/files/linux/lib/mcast/linux.sh

@@ -128,7 +128,10 @@ config_mcproxy_instance() {
 	[ -n "$query_interval" ] && echo -e "qi $query_interval;" >> $CONFFILE
 	[ -n "$q_resp_interval" ] && echo -e "qri $q_resp_interval;" >> $CONFFILE
 	[ -n "$last_mem_q_int" ] && echo -e "lmqi $last_mem_q_int;" >> $CONFFILE
-	[ -n "$fast_leave" ] && echo -e "fastleave $fast_leave;\n" >> $CONFFILE
+	if [[ -n $fast_leave ]]; then
+		echo -e "fastleave $fast_leave;\n" >> $CONFFILE
+		config_sysfs_mcast_fastleave $fast_leave
+	fi
 
 	[ -n "$upstreams" ] && [ -n "$downstreams" ] &&
 		config_mcproxy_interfaces "$upstreams" "$downstreams" "$exceptions"
@@ -146,11 +149,32 @@ config_mcproxy() {
 	fi
 }
 
+config_sysfs_mcast_fastleave() {
+	local devsec=
+	local sectype=
+	local devtype=
+	local ports=
+
+	for downstream in $downstreams; do
+		devsec="$(uci show network | grep name=.*$downstream | cut -d'.' -f2)"
+		sectype="$(uci -q get network.$devsec)"
+		devtype="$(uci -q get network.$devsec.type)"
+		if [ "$sectype" == "device" -a "$devtype" == "bridge" ]; then
+			ports="$(uci get network.$devsec.ports)"
+			for prt in $ports; do
+				echo $1 > /sys/class/net/$prt/brport/multicast_fast_leave
+			done
+		else
+			[[ -f  /sys/class/net/$downstream/brport/multicast_fast_leave ]] && echo $1 > /sys/class/net/$downstream/brport/multicast_fast_leave
+		fi
+	done
+
+}
+
 configure_mcast() {
 	config_global_params "set_max_groups_and_sources"
 
 	read_mcast_snooping_params
 	read_mcast_proxy_params
-
 	config_mcproxy
 }