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bugfix: UE AMBR is optional

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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:
Cedric Roux
2025-07-08 10:55:34 +02:00
parent a3b9db2022
commit 080a90c930
3 changed files with 11 additions and 3 deletions
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openair3/NGAP/ngap_gNB_handlers.c
+6 -2
View File
@@ -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);