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fix PDU Sesion Release response: add missing PDUSessionResourceReleaseResponseTransfer IE

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The PDUSessionResourceReleaseResponse message was missing the mandatory
pDUSessionResourceReleaseResponseTransfer IE in each released PDU session item. This caused Open5GS to send an error indication.

Changes:
- Add encode_ngap_pdusession_release_response_transfer() function to
  properly encode the transfer structure (empty since Secondary RAT Usage
  Information is optional and not used, per 9.3.4.21)
- Always include the mandatory PDUSessionResourceReleasedListRelRes IE
- Always encode the pDUSessionResourceReleaseResponseTransfer for each
  PDU session item
- Fix Release Command handler to decode and log Cause from command transfer:
  instead of incorrectly copying command data to response: the 2 transfer
  IEs in the Command and the Response messages are different and should
  not be mixed
- Split Command/Response struct type definitions
- Add missing includes
This commit is contained in:
Guido Casati
2025-12-01 23:48:06 +01:00
parent ad1c92af4f
commit 9e45f38fbd
6 changed files with 60 additions and 24 deletions
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openair3/NGAP/ngap_msg_includes.h
+2
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@@ -58,6 +58,8 @@
#include "NGAP_PDUSessionResourceSetupResponseTransfer.h"
#include "NGAP_PDUSessionResourceSetupUnsuccessfulTransfer.h"
#include "NGAP_PDUSessionResourceToReleaseItemRelCmd.h"
#include "NGAP_PDUSessionResourceReleaseCommandTransfer.h"
#include "NGAP_PDUSessionResourceReleaseResponseTransfer.h"
#include "NGAP_PLMNSupportItem.h"
#include "NGAP_ProtocolIE-Field.h"
#include "NGAP_QosFlowAddOrModifyResponseItem.h"