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build.go
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build.go
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package ngap_message
import (
"encoding/hex"
"fmt"
"free5gc/lib/aper"
"free5gc/lib/ngap"
"free5gc/lib/ngap/ngapConvert"
"free5gc/lib/ngap/ngapType"
"free5gc/lib/openapi/models"
"free5gc/src/amf/amf_context"
"free5gc/src/amf/logger"
"strings"
)
func BuildPDUSessionResourceReleaseCommand(ue *amf_context.RanUe, nasPdu []byte, pduSessionResourceReleasedList ngapType.PDUSessionResourceToReleaseListRelCmd) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodePDUSessionResourceRelease
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentPDUSessionResourceReleaseCommand
initiatingMessage.Value.PDUSessionResourceReleaseCommand = new(ngapType.PDUSessionResourceReleaseCommand)
pDUSessionResourceReleaseCommand := initiatingMessage.Value.PDUSessionResourceReleaseCommand
PDUSessionResourceReleaseCommandIEs := &pDUSessionResourceReleaseCommand.ProtocolIEs
// AMFUENGAPID
ie := ngapType.PDUSessionResourceReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceReleaseCommandIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
PDUSessionResourceReleaseCommandIEs.List = append(PDUSessionResourceReleaseCommandIEs.List, ie)
// RANUENGAPID
ie = ngapType.PDUSessionResourceReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceReleaseCommandIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
PDUSessionResourceReleaseCommandIEs.List = append(PDUSessionResourceReleaseCommandIEs.List, ie)
// NAS-PDU (optional)
if nasPdu != nil {
ie = ngapType.PDUSessionResourceReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDNASPDU
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceReleaseCommandIEsPresentNASPDU
ie.Value.NASPDU = new(ngapType.NASPDU)
ie.Value.NASPDU.Value = nasPdu
PDUSessionResourceReleaseCommandIEs.List = append(PDUSessionResourceReleaseCommandIEs.List, ie)
}
// PDUSessionResourceToReleaseListRelCmd
ie = ngapType.PDUSessionResourceReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceToReleaseListRelCmd
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceReleaseCommandIEsPresentPDUSessionResourceToReleaseListRelCmd
ie.Value.PDUSessionResourceToReleaseListRelCmd = &pduSessionResourceReleasedList
PDUSessionResourceReleaseCommandIEs.List = append(PDUSessionResourceReleaseCommandIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildNGSetupResponse() ([]byte, error) {
amfSelf := amf_context.AMF_Self()
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentSuccessfulOutcome
pdu.SuccessfulOutcome = new(ngapType.SuccessfulOutcome)
successfulOutcome := pdu.SuccessfulOutcome
successfulOutcome.ProcedureCode.Value = ngapType.ProcedureCodeNGSetup
successfulOutcome.Criticality.Value = ngapType.CriticalityPresentReject
successfulOutcome.Value.Present = ngapType.SuccessfulOutcomePresentNGSetupResponse
successfulOutcome.Value.NGSetupResponse = new(ngapType.NGSetupResponse)
nGSetupResponse := successfulOutcome.Value.NGSetupResponse
nGSetupResponseIEs := &nGSetupResponse.ProtocolIEs
// AMFName
ie := ngapType.NGSetupResponseIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFName
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.NGSetupResponseIEsPresentAMFName
ie.Value.AMFName = new(ngapType.AMFName)
aMFName := ie.Value.AMFName
aMFName.Value = amfSelf.Name
nGSetupResponseIEs.List = append(nGSetupResponseIEs.List, ie)
// ServedGUAMIList
ie = ngapType.NGSetupResponseIEs{}
ie.Id.Value = ngapType.ProtocolIEIDServedGUAMIList
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.NGSetupResponseIEsPresentServedGUAMIList
ie.Value.ServedGUAMIList = new(ngapType.ServedGUAMIList)
servedGUAMIList := ie.Value.ServedGUAMIList
for _, guami := range amfSelf.ServedGuamiList {
servedGUAMIItem := ngapType.ServedGUAMIItem{}
servedGUAMIItem.GUAMI.PLMNIdentity = ngapConvert.PlmnIdToNgap(*guami.PlmnId)
regionId, setId, prtId := ngapConvert.AmfIdToNgap(guami.AmfId)
servedGUAMIItem.GUAMI.AMFRegionID.Value = regionId
servedGUAMIItem.GUAMI.AMFSetID.Value = setId
servedGUAMIItem.GUAMI.AMFPointer.Value = prtId
servedGUAMIList.List = append(servedGUAMIList.List, servedGUAMIItem)
}
nGSetupResponseIEs.List = append(nGSetupResponseIEs.List, ie)
// relativeAMFCapacity
ie = ngapType.NGSetupResponseIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRelativeAMFCapacity
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.NGSetupResponseIEsPresentRelativeAMFCapacity
ie.Value.RelativeAMFCapacity = new(ngapType.RelativeAMFCapacity)
relativeAMFCapacity := ie.Value.RelativeAMFCapacity
relativeAMFCapacity.Value = amfSelf.RelativeCapacity
nGSetupResponseIEs.List = append(nGSetupResponseIEs.List, ie)
// ServedGUAMIList
ie = ngapType.NGSetupResponseIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPLMNSupportList
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.NGSetupResponseIEsPresentPLMNSupportList
ie.Value.PLMNSupportList = new(ngapType.PLMNSupportList)
pLMNSupportList := ie.Value.PLMNSupportList
for _, plmnItem := range amfSelf.PlmnSupportList {
pLMNSupportItem := ngapType.PLMNSupportItem{}
pLMNSupportItem.PLMNIdentity = ngapConvert.PlmnIdToNgap(plmnItem.PlmnId)
for _, snssai := range plmnItem.SNssaiList {
sliceSupportItem := ngapType.SliceSupportItem{}
sliceSupportItem.SNSSAI = ngapConvert.SNssaiToNgap(snssai)
pLMNSupportItem.SliceSupportList.List = append(pLMNSupportItem.SliceSupportList.List, sliceSupportItem)
}
pLMNSupportList.List = append(pLMNSupportList.List, pLMNSupportItem)
}
nGSetupResponseIEs.List = append(nGSetupResponseIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildNGSetupFailure(cause ngapType.Cause) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentUnsuccessfulOutcome
pdu.UnsuccessfulOutcome = new(ngapType.UnsuccessfulOutcome)
unsuccessfulOutcome := pdu.UnsuccessfulOutcome
unsuccessfulOutcome.ProcedureCode.Value = ngapType.ProcedureCodeNGSetup
unsuccessfulOutcome.Criticality.Value = ngapType.CriticalityPresentReject
unsuccessfulOutcome.Value.Present = ngapType.UnsuccessfulOutcomePresentNGSetupFailure
unsuccessfulOutcome.Value.NGSetupFailure = new(ngapType.NGSetupFailure)
nGSetupFailure := unsuccessfulOutcome.Value.NGSetupFailure
nGSetupFailureIEs := &nGSetupFailure.ProtocolIEs
// Cause
ie := ngapType.NGSetupFailureIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCause
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.NGSetupFailureIEsPresentCause
ie.Value.Cause = &cause
nGSetupFailureIEs.List = append(nGSetupFailureIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildNGReset(cause ngapType.Cause, partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList) ([]byte, error) {
var pdu ngapType.NGAPPDU
logger.NgapLog.Info("[AMF] Build NG Reset message")
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeNGReset
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentNGReset
initiatingMessage.Value.NGReset = new(ngapType.NGReset)
nGReset := initiatingMessage.Value.NGReset
nGResetIEs := &nGReset.ProtocolIEs
// Cause
ie := ngapType.NGResetIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCause
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.NGResetIEsPresentCause
ie.Value.Cause = &cause
nGResetIEs.List = append(nGResetIEs.List, ie)
// Reset Type
ie = ngapType.NGResetIEs{}
ie.Id.Value = ngapType.ProtocolIEIDResetType
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.NGResetIEsPresentResetType
ie.Value.ResetType = new(ngapType.ResetType)
resetType := ie.Value.ResetType
if partOfNGInterface == nil {
resetType.Present = ngapType.ResetTypePresentNGInterface
resetType.NGInterface = new(ngapType.ResetAll)
resetType.NGInterface.Value = ngapType.ResetAllPresentResetAll
} else {
resetType.Present = ngapType.ResetTypePresentPartOfNGInterface
resetType.PartOfNGInterface = new(ngapType.UEAssociatedLogicalNGConnectionList)
resetType.PartOfNGInterface = partOfNGInterface
}
nGResetIEs.List = append(nGResetIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildNGResetAcknowledge(partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList, criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentSuccessfulOutcome
pdu.SuccessfulOutcome = new(ngapType.SuccessfulOutcome)
successfulOutcome := pdu.SuccessfulOutcome
successfulOutcome.ProcedureCode.Value = ngapType.ProcedureCodeNGReset
successfulOutcome.Criticality.Value = ngapType.CriticalityPresentReject
successfulOutcome.Value.Present = ngapType.SuccessfulOutcomePresentNGResetAcknowledge
successfulOutcome.Value.NGResetAcknowledge = new(ngapType.NGResetAcknowledge)
nGResetAcknowledge := successfulOutcome.Value.NGResetAcknowledge
nGResetAcknowledgeIEs := &nGResetAcknowledge.ProtocolIEs
// UE-associated Logical NG-connection List (optional)
if partOfNGInterface != nil && len(partOfNGInterface.List) > 0 {
ie := ngapType.NGResetAcknowledgeIEs{}
ie.Id.Value = ngapType.ProtocolIEIDUEAssociatedLogicalNGConnectionList
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.NGResetAcknowledgeIEsPresentUEAssociatedLogicalNGConnectionList
ie.Value.UEAssociatedLogicalNGConnectionList = new(ngapType.UEAssociatedLogicalNGConnectionList)
uEAssociatedLogicalNGConnectionList := ie.Value.UEAssociatedLogicalNGConnectionList
for i, item := range partOfNGInterface.List {
if item.AMFUENGAPID == nil && item.RANUENGAPID == nil {
logger.NgapLog.Warn("[Build NG Reset Ack] No AmfUeNgapID & RanUeNgapID")
continue
}
uEAssociatedLogicalNGConnectionItem := ngapType.UEAssociatedLogicalNGConnectionItem{}
if item.AMFUENGAPID != nil {
uEAssociatedLogicalNGConnectionItem.AMFUENGAPID = new(ngapType.AMFUENGAPID)
uEAssociatedLogicalNGConnectionItem.AMFUENGAPID = item.AMFUENGAPID
logger.NgapLog.Tracef("[Build NG Reset Ack] (pair %d) AmfUeNgapID[%d]", i, uEAssociatedLogicalNGConnectionItem.AMFUENGAPID)
}
if item.RANUENGAPID != nil {
uEAssociatedLogicalNGConnectionItem.RANUENGAPID = new(ngapType.RANUENGAPID)
uEAssociatedLogicalNGConnectionItem.RANUENGAPID = item.RANUENGAPID
logger.NgapLog.Tracef("[Build NG Reset Ack] (pair %d) RanUeNgapID[%d]", i, uEAssociatedLogicalNGConnectionItem.RANUENGAPID)
}
uEAssociatedLogicalNGConnectionList.List = append(uEAssociatedLogicalNGConnectionList.List, uEAssociatedLogicalNGConnectionItem)
}
nGResetAcknowledgeIEs.List = append(nGResetAcknowledgeIEs.List, ie)
}
// Criticality Diagnostics (optional)
if criticalityDiagnostics != nil {
ie := ngapType.NGResetAcknowledgeIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCriticalityDiagnostics
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.NGResetAcknowledgeIEsPresentCriticalityDiagnostics
ie.Value.CriticalityDiagnostics = new(ngapType.CriticalityDiagnostics)
ie.Value.CriticalityDiagnostics = criticalityDiagnostics
nGResetAcknowledgeIEs.List = append(nGResetAcknowledgeIEs.List, ie)
}
return ngap.Encoder(pdu)
}
func BuildDownlinkNasTransport(ue *amf_context.RanUe, nasPdu []byte, mobilityRestrictionList *ngapType.MobilityRestrictionList) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeDownlinkNASTransport
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentIgnore
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentDownlinkNASTransport
initiatingMessage.Value.DownlinkNASTransport = new(ngapType.DownlinkNASTransport)
downlinkNasTransport := initiatingMessage.Value.DownlinkNASTransport
downlinkNasTransportIEs := &downlinkNasTransport.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.DownlinkNASTransportIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.DownlinkNASTransportIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
downlinkNasTransportIEs.List = append(downlinkNasTransportIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.DownlinkNASTransportIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.DownlinkNASTransportIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
downlinkNasTransportIEs.List = append(downlinkNasTransportIEs.List, ie)
// NAS PDU
ie = ngapType.DownlinkNASTransportIEs{}
ie.Id.Value = ngapType.ProtocolIEIDNASPDU
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.DownlinkNASTransportIEsPresentNASPDU
ie.Value.NASPDU = new(ngapType.NASPDU)
ie.Value.NASPDU.Value = nasPdu
downlinkNasTransportIEs.List = append(downlinkNasTransportIEs.List, ie)
// Old AMF (optional)
// RAN Paging Priority (optional)
// Mobility Restriction List (optional)
if ue.Ran.AnType == models.AccessType__3_GPP_ACCESS && mobilityRestrictionList != nil {
amfUe := ue.AmfUe
if amfUe == nil {
return nil, fmt.Errorf("amfUe is nil")
}
ie = ngapType.DownlinkNASTransportIEs{}
ie.Id.Value = ngapType.ProtocolIEIDMobilityRestrictionList
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.DownlinkNASTransportIEsPresentMobilityRestrictionList
ie.Value.MobilityRestrictionList = mobilityRestrictionList
downlinkNasTransportIEs.List = append(downlinkNasTransportIEs.List, ie)
}
// Index to RAT/Frequency Selection Priority (optional)
// UE Aggregate Maximum Bit Rate (optional)
// Allowed NSSAI (optional)
return ngap.Encoder(pdu)
}
func BuildUEContextReleaseCommand(ue *amf_context.RanUe, causePresent int, cause aper.Enumerated) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeUEContextRelease
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentUEContextReleaseCommand
initiatingMessage.Value.UEContextReleaseCommand = new(ngapType.UEContextReleaseCommand)
ueContextReleaseCommand := initiatingMessage.Value.UEContextReleaseCommand
ueContextReleaseCommandIEs := &ueContextReleaseCommand.ProtocolIEs
// UE NGAP IDs
ie := ngapType.UEContextReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDUENGAPIDs
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.UEContextReleaseCommandIEsPresentUENGAPIDs
ie.Value.UENGAPIDs = new(ngapType.UENGAPIDs)
ueNGAPIDs := ie.Value.UENGAPIDs
if ue.RanUeNgapId == amf_context.RanUeNgapIdUnspecified {
ueNGAPIDs.Present = ngapType.UENGAPIDsPresentAMFUENGAPID
ueNGAPIDs.AMFUENGAPID = new(ngapType.AMFUENGAPID)
ueNGAPIDs.AMFUENGAPID.Value = ue.AmfUeNgapId
} else {
ueNGAPIDs.Present = ngapType.UENGAPIDsPresentUENGAPIDPair
ueNGAPIDs.UENGAPIDPair = new(ngapType.UENGAPIDPair)
ueNGAPIDs.UENGAPIDPair.AMFUENGAPID.Value = ue.AmfUeNgapId
ueNGAPIDs.UENGAPIDPair.RANUENGAPID.Value = ue.RanUeNgapId
}
ueContextReleaseCommandIEs.List = append(ueContextReleaseCommandIEs.List, ie)
// Cause
ie = ngapType.UEContextReleaseCommandIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCause
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.UEContextReleaseCommandIEsPresentCause
ngapCause := ngapType.Cause{
Present: causePresent,
}
switch causePresent {
case ngapType.CausePresentNothing:
return nil, fmt.Errorf("Casue Present is Nothing")
case ngapType.CausePresentRadioNetwork:
ngapCause.RadioNetwork = new(ngapType.CauseRadioNetwork)
ngapCause.RadioNetwork.Value = cause
case ngapType.CausePresentTransport:
ngapCause.Transport = new(ngapType.CauseTransport)
ngapCause.Transport.Value = cause
case ngapType.CausePresentNas:
ngapCause.Nas = new(ngapType.CauseNas)
ngapCause.Nas.Value = cause
case ngapType.CausePresentProtocol:
ngapCause.Protocol = new(ngapType.CauseProtocol)
ngapCause.Protocol.Value = cause
case ngapType.CausePresentMisc:
ngapCause.Misc = new(ngapType.CauseMisc)
ngapCause.Misc.Value = cause
default:
return nil, fmt.Errorf("Casue Present is Unknown")
}
ie.Value.Cause = &ngapCause
ueContextReleaseCommandIEs.List = append(ueContextReleaseCommandIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildErrorIndication(amfUeNgapId, ranUeNgapId *int64, cause *ngapType.Cause, criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeErrorIndication
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentIgnore
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentErrorIndication
initiatingMessage.Value.ErrorIndication = new(ngapType.ErrorIndication)
errorIndication := initiatingMessage.Value.ErrorIndication
errorIndicationIEs := &errorIndication.ProtocolIEs
if cause == nil && criticalityDiagnostics == nil {
logger.NgapLog.Error("[Build Error Indication] shall contain at least either the Cause or the Criticality Diagnostics")
}
if amfUeNgapId != nil {
ie := ngapType.ErrorIndicationIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.ErrorIndicationIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = *amfUeNgapId
errorIndicationIEs.List = append(errorIndicationIEs.List, ie)
}
if ranUeNgapId != nil {
ie := ngapType.ErrorIndicationIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.ErrorIndicationIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = *ranUeNgapId
errorIndicationIEs.List = append(errorIndicationIEs.List, ie)
}
if cause != nil {
ie := ngapType.ErrorIndicationIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCause
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.ErrorIndicationIEsPresentCause
ie.Value.Cause = new(ngapType.Cause)
ie.Value.Cause = cause
errorIndicationIEs.List = append(errorIndicationIEs.List, ie)
}
if criticalityDiagnostics != nil {
ie := ngapType.ErrorIndicationIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCriticalityDiagnostics
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.ErrorIndicationIEsPresentCriticalityDiagnostics
ie.Value.CriticalityDiagnostics = new(ngapType.CriticalityDiagnostics)
ie.Value.CriticalityDiagnostics = criticalityDiagnostics
errorIndicationIEs.List = append(errorIndicationIEs.List, ie)
}
return ngap.Encoder(pdu)
}
func BuildUERadioCapabilityCheckRequest(ue *amf_context.RanUe) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeUERadioCapabilityCheck
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentUERadioCapabilityCheckRequest
initiatingMessage.Value.UERadioCapabilityCheckRequest = new(ngapType.UERadioCapabilityCheckRequest)
uERadioCapabilityCheckRequest := initiatingMessage.Value.UERadioCapabilityCheckRequest
uERadioCapabilityCheckRequestIEs := &uERadioCapabilityCheckRequest.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.UERadioCapabilityCheckRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.UERadioCapabilityCheckRequestIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
uERadioCapabilityCheckRequestIEs.List = append(uERadioCapabilityCheckRequestIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.UERadioCapabilityCheckRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.UERadioCapabilityCheckRequestIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
uERadioCapabilityCheckRequestIEs.List = append(uERadioCapabilityCheckRequestIEs.List, ie)
//TODO:UE Radio Capability(optional)
return ngap.Encoder(pdu)
}
func BuildHandoverCancelAcknowledge(ue *amf_context.RanUe, criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentSuccessfulOutcome
pdu.SuccessfulOutcome = new(ngapType.SuccessfulOutcome)
successfulOutcome := pdu.SuccessfulOutcome
successfulOutcome.ProcedureCode.Value = ngapType.ProcedureCodeHandoverCancel
successfulOutcome.Criticality.Value = ngapType.CriticalityPresentReject
successfulOutcome.Value.Present = ngapType.SuccessfulOutcomePresentHandoverCancelAcknowledge
successfulOutcome.Value.HandoverCancelAcknowledge = new(ngapType.HandoverCancelAcknowledge)
handoverCancelAcknowledge := successfulOutcome.Value.HandoverCancelAcknowledge
handoverCancelAcknowledgeIEs := &handoverCancelAcknowledge.ProtocolIEs
//AMF UE NGAP ID
ie := ngapType.HandoverCancelAcknowledgeIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.HandoverCancelAcknowledgeIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
handoverCancelAcknowledgeIEs.List = append(handoverCancelAcknowledgeIEs.List, ie)
//RAN UE NGAP ID
ie = ngapType.HandoverCancelAcknowledgeIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.HandoverCancelAcknowledgeIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
handoverCancelAcknowledgeIEs.List = append(handoverCancelAcknowledgeIEs.List, ie)
//Criticality Diagnostics [optional]
if criticalityDiagnostics != nil {
ie := ngapType.HandoverCancelAcknowledgeIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCriticalityDiagnostics
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.HandoverCancelAcknowledgeIEsPresentCriticalityDiagnostics
ie.Value.CriticalityDiagnostics = new(ngapType.CriticalityDiagnostics)
ie.Value.CriticalityDiagnostics = criticalityDiagnostics
handoverCancelAcknowledgeIEs.List = append(handoverCancelAcknowledgeIEs.List, ie)
}
return ngap.Encoder(pdu)
}
// nasPDU: from nas layer
// pduSessionResourceSetupRequestList: provided by AMF, and transfer data is from SMF
func BuildPDUSessionResourceSetupRequest(ue *amf_context.RanUe, nasPdu []byte, pduSessionResourceSetupRequestList ngapType.PDUSessionResourceSetupListSUReq) ([]byte, error) {
// TODO: Ran Paging Priority (optional)
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodePDUSessionResourceSetup
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentPDUSessionResourceSetupRequest
initiatingMessage.Value.PDUSessionResourceSetupRequest = new(ngapType.PDUSessionResourceSetupRequest)
pDUSessionResourceSetupRequest := initiatingMessage.Value.PDUSessionResourceSetupRequest
pDUSessionResourceSetupRequestIEs := &pDUSessionResourceSetupRequest.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.PDUSessionResourceSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceSetupRequestIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
pDUSessionResourceSetupRequestIEs.List = append(pDUSessionResourceSetupRequestIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.PDUSessionResourceSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceSetupRequestIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
pDUSessionResourceSetupRequestIEs.List = append(pDUSessionResourceSetupRequestIEs.List, ie)
// Ran Paging Priority (optional)
// NAS-PDU (optional)
if nasPdu != nil {
ie = ngapType.PDUSessionResourceSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDNASPDU
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceSetupRequestIEsPresentNASPDU
ie.Value.NASPDU = new(ngapType.NASPDU)
ie.Value.NASPDU.Value = nasPdu
pDUSessionResourceSetupRequestIEs.List = append(pDUSessionResourceSetupRequestIEs.List, ie)
}
// PDU Session Resource Setup Request list
ie = ngapType.PDUSessionResourceSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceSetupListSUReq
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceSetupRequestIEsPresentPDUSessionResourceSetupListSUReq
ie.Value.PDUSessionResourceSetupListSUReq = &pduSessionResourceSetupRequestList
pDUSessionResourceSetupRequestIEs.List = append(pDUSessionResourceSetupRequestIEs.List, ie)
return ngap.Encoder(pdu)
}
// pduSessionResourceModifyConfirmList: provided by AMF, and transfer data is return from SMF
// pduSessionResourceFailedToModifyList: provided by AMF, and transfer data is return from SMF
func BuildPDUSessionResourceModifyConfirm(
ue *amf_context.RanUe,
pduSessionResourceModifyConfirmList ngapType.PDUSessionResourceModifyListModCfm,
pduSessionResourceFailedToModifyList ngapType.PDUSessionResourceFailedToModifyListModCfm,
criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error) {
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentSuccessfulOutcome
pdu.SuccessfulOutcome = new(ngapType.SuccessfulOutcome)
successfulOutcome := pdu.SuccessfulOutcome
successfulOutcome.ProcedureCode.Value = ngapType.ProcedureCodePDUSessionResourceModifyIndication
successfulOutcome.Criticality.Value = ngapType.CriticalityPresentReject
successfulOutcome.Value.Present = ngapType.SuccessfulOutcomePresentPDUSessionResourceModifyConfirm
successfulOutcome.Value.PDUSessionResourceModifyConfirm = new(ngapType.PDUSessionResourceModifyConfirm)
pDUSessionResourceModifyConfirm := successfulOutcome.Value.PDUSessionResourceModifyConfirm
pDUSessionResourceModifyConfirmIEs := &pDUSessionResourceModifyConfirm.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.PDUSessionResourceModifyConfirmIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceModifyConfirmIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
pDUSessionResourceModifyConfirmIEs.List = append(pDUSessionResourceModifyConfirmIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.PDUSessionResourceModifyConfirmIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceModifyConfirmIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
pDUSessionResourceModifyConfirmIEs.List = append(pDUSessionResourceModifyConfirmIEs.List, ie)
// PDU Session Resource Modify Confirm List
ie = ngapType.PDUSessionResourceModifyConfirmIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceModifyListModCfm
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceModifyConfirmIEsPresentPDUSessionResourceModifyListModCfm
ie.Value.PDUSessionResourceModifyListModCfm = &pduSessionResourceModifyConfirmList
pDUSessionResourceModifyConfirmIEs.List = append(pDUSessionResourceModifyConfirmIEs.List, ie)
// PDU Session Resource Failed to Modify List
if len(pduSessionResourceFailedToModifyList.List) > 0 {
ie = ngapType.PDUSessionResourceModifyConfirmIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceFailedToModifyListModCfm
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceModifyConfirmIEsPresentPDUSessionResourceFailedToModifyListModCfm
ie.Value.PDUSessionResourceFailedToModifyListModCfm = &pduSessionResourceFailedToModifyList
pDUSessionResourceModifyConfirmIEs.List = append(pDUSessionResourceModifyConfirmIEs.List, ie)
}
// Criticality Diagnostics (optional)
if criticalityDiagnostics != nil {
ie = ngapType.PDUSessionResourceModifyConfirmIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCriticalityDiagnostics
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.PDUSessionResourceModifyConfirmIEsPresentCriticalityDiagnostics
ie.Value.CriticalityDiagnostics = criticalityDiagnostics
pDUSessionResourceModifyConfirmIEs.List = append(pDUSessionResourceModifyConfirmIEs.List, ie)
}
return ngap.Encoder(pdu)
}
// pduSessionResourceModifyRequestList: from SMF
func BuildPDUSessionResourceModifyRequest(ue *amf_context.RanUe, pduSessionResourceModifyRequestList ngapType.PDUSessionResourceModifyListModReq) ([]byte, error) {
// TODO: Ran Paging Priority (optional)
var pdu ngapType.NGAPPDU
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodePDUSessionResourceModify
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentPDUSessionResourceModifyRequest
initiatingMessage.Value.PDUSessionResourceModifyRequest = new(ngapType.PDUSessionResourceModifyRequest)
pDUSessionResourceModifyRequest := initiatingMessage.Value.PDUSessionResourceModifyRequest
pDUSessionResourceModifyRequestIEs := &pDUSessionResourceModifyRequest.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.PDUSessionResourceModifyRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceModifyRequestIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ue.AmfUeNgapId
pDUSessionResourceModifyRequestIEs.List = append(pDUSessionResourceModifyRequestIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.PDUSessionResourceModifyRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceModifyRequestIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ue.RanUeNgapId
pDUSessionResourceModifyRequestIEs.List = append(pDUSessionResourceModifyRequestIEs.List, ie)
// Ran Paging Priority (optional)
// PDU Session Resource Modify Request List
ie = ngapType.PDUSessionResourceModifyRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceModifyListModReq
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.PDUSessionResourceModifyRequestIEsPresentPDUSessionResourceModifyListModReq
ie.Value.PDUSessionResourceModifyListModReq = &pduSessionResourceModifyRequestList
pDUSessionResourceModifyRequestIEs.List = append(pDUSessionResourceModifyRequestIEs.List, ie)
return ngap.Encoder(pdu)
}
func BuildInitialContextSetupRequest(
amfUe *amf_context.AmfUe,
anType models.AccessType,
nasPdu []byte,
oldAmf *string,
pduSessionResourceSetupRequestList *ngapType.PDUSessionResourceSetupListCxtReq,
rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
coreNetworkAssistanceInfo *ngapType.CoreNetworkAssistanceInformation,
emergencyFallbackIndicator *ngapType.EmergencyFallbackIndicator) ([]byte, error) {
// Old AMF: new amf sould get old amf's amf name
// rrcInactiveTransitionReportRequest: configured by amf
// This IE is used to request the NG-RAN node to report or stop reporting to the 5GC
// when the UE enters or leaves RRC_INACTIVE state. (TS 38.413 9.3.1.91)
// accessType indicate amfUe send this msg for which accessType
// emergencyFallbackIndicator: configured by amf (TS 23.501 5.16.4.11)
// coreNetworkAssistanceInfo TS 23.501 5.4.6, 5.4.6.2
// Mobility Restriction List TS 23.501 5.3.4
// TS 23.501 5.3.4.1.1: For a given UE, the core network determines the Mobility restrictions
// based on UE subscription information.
// TS 38.413 9.3.1.85: This IE defines roaming or access restrictions for subsequent mobility action for
// which the NR-RAN provides information about the target of the mobility action towards
// the UE, e.g., handover, or for SCG selection during dual connectivity operation or for
// assigning proper RNAs. If the NG-RAN receives the Mobility Restriction List IE, it shall
// overwrite previously received mobility restriction information.
if amfUe == nil {
return nil, fmt.Errorf("amfUe is nil")
}
var pdu ngapType.NGAPPDU
ranUe, ok := amfUe.RanUe[anType]
if !ok {
return nil, fmt.Errorf("ranUe for %s is nil", anType)
}
amfSelf := amf_context.AMF_Self()
pdu.Present = ngapType.NGAPPDUPresentInitiatingMessage
pdu.InitiatingMessage = new(ngapType.InitiatingMessage)
initiatingMessage := pdu.InitiatingMessage
initiatingMessage.ProcedureCode.Value = ngapType.ProcedureCodeInitialContextSetup
initiatingMessage.Criticality.Value = ngapType.CriticalityPresentReject
initiatingMessage.Value.Present = ngapType.InitiatingMessagePresentInitialContextSetupRequest
initiatingMessage.Value.InitialContextSetupRequest = new(ngapType.InitialContextSetupRequest)
initialContextSetupRequest := initiatingMessage.Value.InitialContextSetupRequest
initialContextSetupRequestIEs := &initialContextSetupRequest.ProtocolIEs
// AMF UE NGAP ID
ie := ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAMFUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentAMFUENGAPID
ie.Value.AMFUENGAPID = new(ngapType.AMFUENGAPID)
aMFUENGAPID := ie.Value.AMFUENGAPID
aMFUENGAPID.Value = ranUe.AmfUeNgapId
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
// RAN UE NGAP ID
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDRANUENGAPID
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentRANUENGAPID
ie.Value.RANUENGAPID = new(ngapType.RANUENGAPID)
rANUENGAPID := ie.Value.RANUENGAPID
rANUENGAPID.Value = ranUe.RanUeNgapId
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
// Old AMF (optional)
if oldAmf != nil {
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDOldAMF
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentOldAMF
ie.Value.OldAMF = new(ngapType.AMFName)
ie.Value.OldAMF.Value = *oldAmf
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
}
// UE Aggregate Maximum Bit Rate (conditional: if pdu session resource setup)
// The subscribed UE-AMBR is a subscription parameter which is retrieved from UDM and provided to the (R)AN by the AMF
if pduSessionResourceSetupRequestList != nil {
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDUEAggregateMaximumBitRate
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentUEAggregateMaximumBitRate
ie.Value.UEAggregateMaximumBitRate = new(ngapType.UEAggregateMaximumBitRate)
ueAmbrUL := ngapConvert.UEAmbrToInt64(amfUe.AccessAndMobilitySubscriptionData.SubscribedUeAmbr.Uplink)
ueAmbrDL := ngapConvert.UEAmbrToInt64(amfUe.AccessAndMobilitySubscriptionData.SubscribedUeAmbr.Downlink)
ie.Value.UEAggregateMaximumBitRate.UEAggregateMaximumBitRateUL.Value = ueAmbrUL
ie.Value.UEAggregateMaximumBitRate.UEAggregateMaximumBitRateDL.Value = ueAmbrDL
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
}
// Core Network Assistance Information (optional)
if coreNetworkAssistanceInfo != nil {
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDCoreNetworkAssistanceInformation
ie.Criticality.Value = ngapType.CriticalityPresentIgnore
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentCoreNetworkAssistanceInformation
ie.Value.CoreNetworkAssistanceInformation = coreNetworkAssistanceInfo
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
}
// GUAMI
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDGUAMI
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentGUAMI
ie.Value.GUAMI = new(ngapType.GUAMI)
guami := ie.Value.GUAMI
plmnID := &guami.PLMNIdentity
amfRegionID := &guami.AMFRegionID
amfSetID := &guami.AMFSetID
amfPtrID := &guami.AMFPointer
servedGuami := amfSelf.ServedGuamiList[0]
*plmnID = ngapConvert.PlmnIdToNgap(*servedGuami.PlmnId)
amfRegionID.Value, amfSetID.Value, amfPtrID.Value = ngapConvert.AmfIdToNgap(servedGuami.AmfId)
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
// PDU Session Resource Setup Request List
if pduSessionResourceSetupRequestList != nil && len(pduSessionResourceSetupRequestList.List) > 0 {
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDPDUSessionResourceSetupListCxtReq
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentPDUSessionResourceSetupListCxtReq
ie.Value.PDUSessionResourceSetupListCxtReq = pduSessionResourceSetupRequestList
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
}
// Allowed NSSAI
ie = ngapType.InitialContextSetupRequestIEs{}
ie.Id.Value = ngapType.ProtocolIEIDAllowedNSSAI
ie.Criticality.Value = ngapType.CriticalityPresentReject
ie.Value.Present = ngapType.InitialContextSetupRequestIEsPresentAllowedNSSAI
ie.Value.AllowedNSSAI = new(ngapType.AllowedNSSAI)
allowedNSSAI := ie.Value.AllowedNSSAI
for _, allowedSnssai := range amfUe.AllowedNssai[anType] {
allowedNSSAIItem := ngapType.AllowedNSSAIItem{}
ngapSnssai := ngapConvert.SNssaiToNgap(*allowedSnssai.AllowedSnssai)
allowedNSSAIItem.SNSSAI = ngapSnssai
allowedNSSAI.List = append(allowedNSSAI.List, allowedNSSAIItem)
}
initialContextSetupRequestIEs.List = append(initialContextSetupRequestIEs.List, ie)
// UE Security Capabilities