library/M3UA: support TCP transport, implement desegmentation

Change-Id: If1dcdb185d08a08dc5a06c37d9d6ffe7d6da9325
Related: libosmo-sccp.git I8c76d271472befacbeb998a93bbdc9e8660d9b5d
Related: SYS#5424
diff --git a/library/M3UA_CodecPort_CtrlFunct.ttcn b/library/M3UA_CodecPort_CtrlFunct.ttcn
index fc38e43..6f06e2c 100644
--- a/library/M3UA_CodecPort_CtrlFunct.ttcn
+++ b/library/M3UA_CodecPort_CtrlFunct.ttcn
@@ -40,5 +40,12 @@
     out UserData userData
   ) return Result;
 
+  external function f_IPL4_setGetMsgLen(
+    inout M3UA_CODEC_PT portRef,
+    in ConnectionId id,
+    inout f_IPL4_getMsgLen f,
+    in ro_integer msgLenArgs
+  )
+
 }