batman data subcommand

src/freedombone-mesh-batman

@@ -278,6 +278,9 @@ case "$1" in
     ping)
         batctl ping $2
         ;;
+    data)
+        watch -n1 "batctl s | grep mgmt | grep bytes"
+        ;;
     ls|list)
         avahi-browse -atl
         ;;