Add Disconnect protobuf message description in FlexRAN

openair2/ENB_APP/MESSAGES/V2/flexran.proto

@@ -31,6 +31,7 @@ message flexran_message {
 	      flex_agent_reconfiguration agent_reconfiguration_msg = 17;
 	      flex_rrc_triggering rrc_triggering = 18;
 	      flex_ul_mac_config ul_mac_config_msg = 19;
+              flex_disconnect disconnect_msg = 20;
 	}
 }
 
@@ -223,4 +224,6 @@ message flex_echo_reply_latency {
 	}
 }
 
-
+message flex_disconnect {
+        optional flex_header header = 1;
+}

openair2/ENB_APP/MESSAGES/V2/header.proto

@@ -12,6 +12,7 @@ enum flex_type {
      FLPT_HELLO = 0;
      FLPT_ECHO_REQUEST = 1;
      FLPT_ECHO_REPLY = 2;
+     FLPT_DISCONNECT = 20;
 
      // Statistics and measurement messages
      FLPT_STATS_REQUEST = 3;