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GUAMI decoding fixed

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- GUAMI is received from INITIAL UE CONTEXT SETUP REQUEST
  - using BIT STRING instead of OCTET STRING, as per spec
This commit is contained in:
Teodora
2024-06-17 14:20:53 +02:00
parent 9fab212441
commit b09d241151
1 changed files with 25 additions and 24 deletions
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openair3/NGAP/ngap_gNB_handlers.c
+25 -24
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@@ -740,37 +740,38 @@ 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_GUAMI, true);
TBCD_TO_MCC_MNC(&ie->value.choice.GUAMI.pLMNIdentity, msg->guami.mcc,
msg->guami.mnc, msg->guami.mnc_len);
TBCD_TO_MCC_MNC(&ie->value.choice.GUAMI.pLMNIdentity, msg->guami.mcc,
msg->guami.mnc, msg->guami.mnc_len);
OCTET_STRING_TO_INT8(&ie->value.choice.GUAMI.aMFRegionID, msg->guami.amf_region_id);
OCTET_STRING_TO_INT16(&ie->value.choice.GUAMI.aMFSetID, msg->guami.amf_set_id);
OCTET_STRING_TO_INT8(&ie->value.choice.GUAMI.aMFPointer, msg->guami.amf_pointer);
msg->guami.amf_region_id = BIT_STRING_to_uint8(&ie->value.choice.GUAMI.aMFRegionID);
msg->guami.amf_set_id = BIT_STRING_to_uint16(&ie->value.choice.GUAMI.aMFSetID);
msg->guami.amf_pointer = BIT_STRING_to_uint8(&ie->value.choice.GUAMI.aMFPointer);
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_InitialContextSetupRequestIEs_t, ie, container, NGAP_ProtocolIE_ID_id_PDUSessionResourceSetupListCxtReq, false);
if (ie != NULL) {
msg->nb_of_pdusessions = ie->value.choice.PDUSessionResourceSetupListCxtReq.list.count;
for (i = 0; i < ie->value.choice.PDUSessionResourceSetupListCxtReq.list.count; i++) {
NGAP_PDUSessionResourceSetupItemCxtReq_t *item_p = ie->value.choice.PDUSessionResourceSetupListCxtReq.list.array[i];
msg->pdusession_param[i].pdusession_id = item_p->pDUSessionID;
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_InitialContextSetupRequestIEs_t, ie, container, NGAP_ProtocolIE_ID_id_PDUSessionResourceSetupListCxtReq, false);
if (ie != NULL) {
msg->nb_of_pdusessions = ie->value.choice.PDUSessionResourceSetupListCxtReq.list.count;
OCTET_STRING_TO_INT8(&item_p->s_NSSAI.sST, msg->pdusession_param[i].nssai.sst);
if (item_p->s_NSSAI.sD != NULL) {
uint8_t *sd_p = (uint8_t *)&msg->pdusession_param[i].nssai.sd;
sd_p[0] = item_p->s_NSSAI.sD->buf[0];
sd_p[1] = item_p->s_NSSAI.sD->buf[1];
sd_p[2] = item_p->s_NSSAI.sD->buf[2];
} else {
msg->pdusession_param[i].nssai.sd = 0xffffff;
}
for (i = 0; i < ie->value.choice.PDUSessionResourceSetupListCxtReq.list.count; i++) {
NGAP_PDUSessionResourceSetupItemCxtReq_t *item_p = ie->value.choice.PDUSessionResourceSetupListCxtReq.list.array[i];
msg->pdusession_param[i].pdusession_id = item_p->pDUSessionID;
if (item_p->nAS_PDU) {
allocCopy(&msg->pdusession_param[i].nas_pdu, *item_p->nAS_PDU);
}
allocCopy(&msg->pdusession_param[i].pdusessionTransfer, item_p->pDUSessionResourceSetupRequestTransfer);
OCTET_STRING_TO_INT8(&item_p->s_NSSAI.sST, msg->pdusession_param[i].nssai.sst);
if (item_p->s_NSSAI.sD != NULL) {
uint8_t *sd_p = (uint8_t *)&msg->pdusession_param[i].nssai.sd;
sd_p[0] = item_p->s_NSSAI.sD->buf[0];
sd_p[1] = item_p->s_NSSAI.sD->buf[1];
sd_p[2] = item_p->s_NSSAI.sD->buf[2];
} else {
msg->pdusession_param[i].nssai.sd = 0xffffff;
}
if (item_p->nAS_PDU) {
allocCopy(&msg->pdusession_param[i].nas_pdu, *item_p->nAS_PDU);
}
allocCopy(&msg->pdusession_param[i].pdusessionTransfer, item_p->pDUSessionResourceSetupRequestTransfer);
}
}
/* id-AllowedNSSAI */
NGAP_FIND_PROTOCOLIE_BY_ID(NGAP_InitialContextSetupRequestIEs_t, ie, container,