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NGAP Release Cplt: indicate release PDU sessions

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We can optionally indicate the PDU session IDs. At least with OAI 5GC,
that should help it clean up.
This commit is contained in:
Robert Schmidt
2024-05-06 12:00:26 +02:00
parent 3e2d5f8820
commit 8d225a7e10
5 changed files with 35 additions and 10 deletions
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openair3/NGAP/ngap_gNB_context_management_procedures.c
+15 -1
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@@ -50,7 +50,7 @@
#include "ngap_gNB_management_procedures.h"
#include "ngap_gNB_context_management_procedures.h"
#include "NGAP_PDUSessionResourceItemCxtRelReq.h"
#include "NGAP_PDUSessionResourceItemCxtRelCpl.h"
int ngap_ue_context_release_complete(instance_t instance,
ngap_ue_release_complete_t *ue_release_complete_p)
@@ -100,6 +100,20 @@ int ngap_ue_context_release_complete(instance_t instance,
ie->value.choice.RAN_UE_NGAP_ID = ue_release_complete_p->gNB_ue_ngap_id;
}
/* number of PDU sessions */
if (ue_release_complete_p->num_pdu_sessions > 0) {
asn1cSequenceAdd(out->protocolIEs.list, NGAP_UEContextReleaseComplete_IEs_t, ie);
ie->id = NGAP_ProtocolIE_ID_id_PDUSessionResourceListCxtRelCpl;
ie->criticality = NGAP_Criticality_reject;
ie->value.present = NGAP_UEContextReleaseComplete_IEs__value_PR_PDUSessionResourceListCxtRelCpl;
NGAP_PDUSessionResourceListCxtRelCpl_t *l = &ie->value.choice.PDUSessionResourceListCxtRelCpl;
DevAssert(ue_release_complete_p->num_pdu_sessions <= 256);
for (int i = 0; i < ue_release_complete_p->num_pdu_sessions; ++i) {
asn1cSequenceAdd(l->list, NGAP_PDUSessionResourceItemCxtRelCpl_t, pdu);
pdu->pDUSessionID = ue_release_complete_p->pdu_session_id[i];
}
}
if (ngap_gNB_encode_pdu(&pdu, &buffer, &length) < 0) {
/* Encode procedure has failed... */
NGAP_ERROR("Failed to encode UE context release complete\n");