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Merge remote-tracking branch 'origin/bugfix-ambr-is-optional' into integration_2025_w28 (!3498)

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bugfix: UE AMBR is optional

This was a problem with open5gs and more than one PDU session. The core network
sets UE AMBR only once, leading to failure in the gNB for the second PDU session.
(A proper handling of AMBR has to be develop at some point in the gNB.)
This commit is contained in:
Jaroslava Fiedlerova
2025-07-09 11:08:25 +02:00
parent 67474f2246 080a90c930
commit dc2e127c1c
3 changed files with 11 additions and 3 deletions
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openair3/NGAP/ngap_gNB_handlers.c
+6 -2
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@@ -843,6 +843,7 @@ static int ngap_gNB_handle_initial_context_request(sctp_assoc_t assoc_id, uint32
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_InitialContextSetupRequestIEs_t, ie, container, NGAP_ProtocolIE_ID_id_UEAggregateMaximumBitRate, false);
if (ie != NULL) {
msg->ue_ambr = decode_ngap_UEAggregateMaximumBitRate(&ie->value.choice.UEAggregateMaximumBitRate);
msg->has_ue_ambr = true;
}
/* id-GUAMI */
@@ -1022,8 +1023,11 @@ static int ngap_gNB_handle_pdusession_setup_request(sctp_assoc_t assoc_id, uint3
/* UE Aggregated Maximum Bitrate */
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_PDUSessionResourceSetupRequestIEs_t, ie, container,
NGAP_ProtocolIE_ID_id_UEAggregateMaximumBitRate, true);
msg->ueAggMaxBitRate = decode_ngap_UEAggregateMaximumBitRate(&ie->value.choice.UEAggregateMaximumBitRate);
NGAP_ProtocolIE_ID_id_UEAggregateMaximumBitRate, false);
if (ie != NULL) {
msg->ueAggMaxBitRate = decode_ngap_UEAggregateMaximumBitRate(&ie->value.choice.UEAggregateMaximumBitRate);
msg->has_ue_ambr = true;
}
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_PDUSessionResourceSetupRequestIEs_t, ie, container,
NGAP_ProtocolIE_ID_id_PDUSessionResourceSetupListSUReq, true);