RLC_DATA_REQ Message is created and sent over the async channel, initial functionality preserved

targets/COMMON/MESSAGES/V2/flexsplit-messages.proto

@@ -0,0 +1,36 @@
+package protocol;
+
+message fsp_ctxt {
+	optional uint32 fsp_mod_id = 1;
+	optional bool fsp_enb_flag = 2;
+	optional uint32 fsp_instance = 3;
+	optional uint32 fsp_rnti = 4;
+	optional uint32 fsp_frame = 5;
+	optional uint32 fsp_subframe = 6;
+	optional uint32 fsp_eNB_index = 7;
+
+}
+
+message fspRlcPdu {
+	optional bytes fsp_pdu_data = 1; // Maximum PDU to be transfered
+}
+
+message fspRlcData {
+	optional fsp_ctxt fsp_ctxt = 1;
+	optional bool fsp_srb_flag = 2;
+	optional bool fsp_mbms_flag = 3;
+	optional uint32 fsp_rb_id = 4;
+	optional uint32 fsp_muip = 5;
+	optional uint32 fsp_confirm = 6;
+	optional int32 fsp_sdu_buffer_size = 7;
+	optional fspRlcPdu fsp_pdu = 8;
+}
+
+message fsp_pdcp_split_ind_data {
+	optional fsp_ctxt fsp_ctxt = 1;
+        optional bool fsp_srb_flag = 2;
+        optional bool fsp_mbms_flag = 3;
+        optional uint32 fsp_rb_id = 4;
+        optional int32 fsp_sdu_buffer_size = 5;
+	optional fspRlcPdu fsp_pdu = 6;
+}

targets/COMMON/MESSAGES/V2/flexsplit.proto

@@ -1,6 +1,7 @@
 package protocol;
 
 import "header.proto";
+import "flexsplit-messages.proto";
 
 message flexsplit_message {
      optional flexsplit_direction msg_dir = 100;
@@ -8,6 +9,9 @@ message flexsplit_message {
               fsp_hello hello_msg = 1;
               fsp_echo_request echo_request_msg = 2;
               fsp_echo_reply echo_reply_msg = 3;
+              fspRlcDataReq data_req_msg = 4;
+	      fspRlcDataReqAck data_req_ack = 5;
+//	      fsp_pdcp_data_ind data_ind_msg = 6;
 	}
 }
 
@@ -56,3 +60,20 @@ message fsp_echo_reply {
 //        extensions 100 to 199;
 }
 
+
+message fspRlcDataReq {
+        optional fsp_header header = 1;
+	optional uint32 eNB_id = 2;
+        optional fspRlcData pdcp_data = 3;
+}
+
+message fspRlcDataReqAck {
+	optional fsp_header header = 1;
+	optional uint32 result = 2;
+}
+
+message fsp_pdcp_data_ind {
+        optional fsp_header header = 1;
+	optional uint32 eNB_id = 2;
+        optional fsp_pdcp_split_ind_data rlc_data = 3;
+}

targets/COMMON/MESSAGES/V2/header.proto

@@ -11,5 +11,8 @@ enum fsp_type {
      FSPT_HELLO = 0;
      FSPT_ECHO_REQUEST = 1;
      FSPT_ECHO_REPLY = 2;
+     FSPT_RLC_DATA_REQ = 3;
+     FSPT_RLC_DATA_REQ_ACK = 4;
+     FSPT_PDCP_DATA_IND = 5;
 }