map-agent: traffic_separation: add set_nvlan func

map-agent/files/lib/wifi/traffic_separation

@@ -214,8 +214,24 @@ EOF
 			ebtables -A FORWARD -i $ifname --o ${prefix}+ --vlan-id ! $pvid -j DROP -p 802_1Q > /dev/null 2>&1
 			ebtables -A FORWARD -i ${prefix}+ --o ${ifname} --vlan-id ! $pvid -j DROP -p 802_1Q > /dev/null 2>&1
 		done
+	}
+
+	ts_set_nvlan() {
+		local action=$1
+		local ifname=$2
+		local vid=$3
+		local dev="${ifname}.lte"
+
+		[ -z "$action" -o -z "$ifname" -o -z "$vid" ] && return
 
 
+		if [ "$action" = "del" ]; then
+			ip link show $dev > /dev/null 2>&1  || return
+			ip link del $dev > /dev/null 2>&1
+		else
+			ip link show $dev > /dev/null 2>&1  && return
+			ip link add link $ifname name $dev type vlan id $vid > /dev/null 2>&1
+		fi
 	}
 
 	local func=$1
@@ -227,6 +243,7 @@ EOF
 		reload) dbg "reload $@"; ts_reload $@;;
 		cleanup) dbg "cleanup $@"; ts_cleanup $@;;
 		isolate) dbg "isolate $@"; ts_isolate $@;;
+		set_nvlan) dbg "set_nvlan $@"; ts_set_nvlan $@;;
 		--help|help) ts_usage;;
 		*) ts_usage; exit 1;;
 	esac