XNAP: Add encode/decode+unit tests for Xn HO Ack, Prep Failure, SN Status Transfer, UE Context Release

Rakesh BBrequested to merge
xn_encdec_ho_messages into develop

This MR extends XnAP message support in accordance with 3GPP TS 38.423 v16.2.0 for the following procedures:

  • Xn Handover Request Acknowledge
  • Xn Handover Preparation Failure
  • Xn SN Status Transfer
  • Xn UE Context Release

Additional updates include:

  • Implementation of ASN.1 encoder and decoder functions for all listed procedures
  • Addition of equality check helpers for all newly introduced message structures
  • Implementation of memory management (free) helpers
  • Extension of XNAP unit tests to cover all implemented procedures
  • Harmonization of AS key BIT_STRING conversion macro

Co-author : @venkatareddy

Acknowledgement:

This work was carried out as part of research and development at Indian Institute of Science (IISc), Bengaluru.

Edited by Rakesh BB

Merge request reports