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 Go to latest Published: Oct 23, 2022 License: Apache-2.0 Imports: 11 Imported by: 10

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Constants

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Variables

This section is empty.

Functions

func AppendPDUSessionResourceFailedToModifyListModCfm 

func AppendPDUSessionResourceFailedToModifyListModCfm(list *ngapType.PDUSessionResourceFailedToModifyListModCfm,
	pduSessionId int64, transfer []byte)

func AppendPDUSessionResourceModifyListModCfm 

func AppendPDUSessionResourceModifyListModCfm(list *ngapType.PDUSessionResourceModifyListModCfm,
	pduSessionId int64, transfer []byte)

func AppendPDUSessionResourceModifyListModReq 

func AppendPDUSessionResourceModifyListModReq(list *ngapType.PDUSessionResourceModifyListModReq,
	pduSessionId int32, nasPDU []byte, transfer []byte)

func AppendPDUSessionResourceSetupListCxtReq 

func AppendPDUSessionResourceSetupListCxtReq(list *ngapType.PDUSessionResourceSetupListCxtReq,
	pduSessionId int32, snssai models.Snssai, nasPDU []byte, transfer []byte)

func AppendPDUSessionResourceSetupListHOReq 

func AppendPDUSessionResourceSetupListHOReq(list *ngapType.PDUSessionResourceSetupListHOReq,
	pduSessionId int32, snssai models.Snssai, transfer []byte)

func AppendPDUSessionResourceSetupListSUReq 

func AppendPDUSessionResourceSetupListSUReq(list *ngapType.PDUSessionResourceSetupListSUReq,
	pduSessionId int32, snssai models.Snssai, nasPDU []byte, transfer []byte)

func AppendPDUSessionResourceToReleaseListRelCmd 

func AppendPDUSessionResourceToReleaseListRelCmd(list *ngapType.PDUSessionResourceToReleaseListRelCmd,
	pduSessionId int32, transfer []byte)

func BuildAMFConfigurationUpdate 

func BuildAMFConfigurationUpdate(tNLassociationUsage ngapType.TNLAssociationUsage,
	tNLAddressWeightFactor ngapType.TNLAddressWeightFactor) ([]byte, error)

Weight Factor associated with each of the TNL association within the AMF

func BuildAMFStatusIndication 

func BuildAMFStatusIndication(unavailableGUAMIList ngapType.UnavailableGUAMIList) ([]byte, error)

An AMF shall be able to instruct other peer CP NFs, subscribed to receive such a notification, that it will be unavailable on this AMF and its corresponding target AMF(s). If CP NF does not subscribe to receive AMF unavailable notification, the CP NF may attempt forwarding the transaction towards the old AMF and detect that the AMF is unavailable. When it detects unavailable, it marks the AMF and its associated GUAMI(s) as unavailable. Defined in 23.501 5.21.2.2.2

func BuildDeactivateTrace 

func BuildDeactivateTrace(amfUe *context.AmfUe, anType models.AccessType) ([]byte, error)

func BuildDownlinkNasTransport 

func BuildDownlinkNasTransport(ue *context.RanUe, nasPdu []byte,
	mobilityRestrictionList *ngapType.MobilityRestrictionList) ([]byte, error)

func BuildDownlinkNonUEAssociatedNRPPATransport 

func BuildDownlinkNonUEAssociatedNRPPATransport(
	ue *context.RanUe, nRPPaPDU ngapType.NRPPaPDU) ([]byte, error)

func BuildDownlinkRanConfigurationTransfer 

func BuildDownlinkRanConfigurationTransfer(
	sONConfigurationTransfer *ngapType.SONConfigurationTransfer) ([]byte, error)

func BuildDownlinkRanStatusTransfer 

func BuildDownlinkRanStatusTransfer(ue *context.RanUe,
	ranStatusTransferTransparentContainer ngapType.RANStatusTransferTransparentContainer) ([]byte, error)

func BuildDownlinkUEAssociatedNRPPaTransport 

func BuildDownlinkUEAssociatedNRPPaTransport(ue *context.RanUe, nRPPaPDU ngapType.NRPPaPDU) ([]byte, error)

NRPPa PDU is a pdu from LMF to RAN defined in TS 23.502 4.13.5.5 step 3 NRPPa PDU is by pass

func BuildErrorIndication 

func BuildErrorIndication(amfUeNgapId, ranUeNgapId *int64, cause *ngapType.Cause,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildHandoverCancelAcknowledge 

func BuildHandoverCancelAcknowledge(
	ue *context.RanUe, criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildHandoverCommand 

func BuildHandoverCommand(
	sourceUe *context.RanUe,
	pduSessionResourceHandoverList ngapType.PDUSessionResourceHandoverList,
	pduSessionResourceToReleaseList ngapType.PDUSessionResourceToReleaseListHOCmd,
	container ngapType.TargetToSourceTransparentContainer,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

pduSessionResourceHandoverList: provided by amf and transfer is return from smf pduSessionResourceToReleaseList: provided by amf and transfer is return from smf criticalityDiagnostics = criticalityDiagonstics IE in receiver node's error indication when received node can't comprehend the IE or missing IE

func BuildHandoverPreparationFailure 

func BuildHandoverPreparationFailure(sourceUe *context.RanUe, cause ngapType.Cause,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildHandoverRequest 

func BuildHandoverRequest(ue *context.RanUe, cause ngapType.Cause,
	pduSessionResourceSetupListHOReq ngapType.PDUSessionResourceSetupListHOReq,
	sourceToTargetTransparentContainer ngapType.SourceToTargetTransparentContainer, nsci bool) ([]byte, error)

The PGW-C+SMF (V-SMF in the case of home-routed roaming scenario only) sends a Nsmf_PDUSession_CreateSMContext Response(N2 SM Information (PDU Session ID, cause code)) to the AMF. Cause is from SMF pduSessionResourceSetupList provided by AMF, and the transfer data is from SMF sourceToTargetTransparentContainer is received from S-RAN nsci: new security context indicator, if amfUe has updated security context, set nsci to true, otherwise set to false

func BuildIEMobilityRestrictionList 

func BuildIEMobilityRestrictionList(ue *context.AmfUe) ngapType.MobilityRestrictionList

func BuildInitialContextSetupRequest 

func BuildInitialContextSetupRequest(
	amfUe *context.AmfUe,
	anType models.AccessType,
	nasPdu []byte,
	pduSessionResourceSetupRequestList *ngapType.PDUSessionResourceSetupListCxtReq,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	coreNetworkAssistanceInfo *ngapType.CoreNetworkAssistanceInformation,
	emergencyFallbackIndicator *ngapType.EmergencyFallbackIndicator) ([]byte, error)

func BuildLocationReportingControl 

func BuildLocationReportingControl(
	ue *context.RanUe,
	AOIList *ngapType.AreaOfInterestList,
	LocationReportingReferenceIDToBeCancelled int64,
	eventType ngapType.EventType) ([]byte, error)

AOI List is from SMF The SMF may subscribe to the UE mobility event notification from the AMF (e.g. location reporting, UE moving into or out of Area Of Interest) TS 23.502 4.3.2.2.1 Step.17 The Location Reporting Control message shall identify the UE for which reports are requested and may include Reporting Type, Location Reporting Level, Area Of Interest and Request Reference ID TS 23.502 4.10 LocationReportingProcedure The AMF may request the NG-RAN location reporting with event reporting type (e.g. UE location or UE presence in Area of Interest), reporting mode and its related parameters (e.g. number of reporting) TS 23.501 5.4.7 Location Reference ID To Be Cancelled IE shall be present if the Event Type IE is set to "Stop UE presence in the area of interest".

func BuildNGReset 

func BuildNGReset(
	cause ngapType.Cause, partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList) ([]byte, error)

func BuildNGResetAcknowledge 

func BuildNGResetAcknowledge(partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildNGSetupFailure 

func BuildNGSetupFailure(cause ngapType.Cause) ([]byte, error)

func BuildNGSetupResponse 

func BuildNGSetupResponse() ([]byte, error)

func BuildOverloadStart 

func BuildOverloadStart(
	amfOverloadResponse *ngapType.OverloadResponse,
	amfTrafficLoadReductionIndication int64,
	overloadStartNSSAIList *ngapType.OverloadStartNSSAIList) ([]byte, error)

TS 23.501 5.19.5.2 amfOverloadResponse: the required behaviour of NG-RAN, provided by AMF amfTrafficLoadReductionIndication(int 1~99): indicates the percentage of the type of traffic relative to the instantaneous incoming rate at the NG-RAN node, provided by AMF overloadStartNSSAIList: overload slices, provide by AMF

func BuildOverloadStop 

func BuildOverloadStop() ([]byte, error)

func BuildPDUSessionResourceModifyConfirm 

func BuildPDUSessionResourceModifyConfirm(
	ue *context.RanUe,
	pduSessionResourceModifyConfirmList ngapType.PDUSessionResourceModifyListModCfm,
	pduSessionResourceFailedToModifyList ngapType.PDUSessionResourceFailedToModifyListModCfm,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

pduSessionResourceModifyConfirmList: provided by AMF, and transfer data is return from SMF pduSessionResourceFailedToModifyList: provided by AMF, and transfer data is return from SMF

func BuildPDUSessionResourceModifyRequest 

func BuildPDUSessionResourceModifyRequest(ue *context.RanUe,
	pduSessionResourceModifyRequestList ngapType.PDUSessionResourceModifyListModReq) ([]byte, error)

pduSessionResourceModifyRequestList: from SMF

func BuildPDUSessionResourceReleaseCommand 

func BuildPDUSessionResourceReleaseCommand(ue *context.RanUe, nasPdu []byte,
	pduSessionResourceReleasedList ngapType.PDUSessionResourceToReleaseListRelCmd) ([]byte, error)

func BuildPDUSessionResourceSetupRequest 

func BuildPDUSessionResourceSetupRequest(ue *context.RanUe, nasPdu []byte,
	pduSessionResourceSetupRequestList ngapType.PDUSessionResourceSetupListSUReq) ([]byte, error)

nasPDU: from nas layer pduSessionResourceSetupRequestList: provided by AMF, and transfer data is from SMF

func BuildPaging 

func BuildPaging(
	ue *context.AmfUe, pagingPriority *ngapType.PagingPriority, pagingOriginNon3GPP bool) ([]byte, error)

anType indicate amfUe send this msg for which accessType Paging Priority: is included only if the AMF receives an Namf_Communication_N1N2MessageTransfer message with an ARP value associated with priority services (e.g., MPS, MCS), as configured by the operator. (TS 23.502 4.2.3.3, TS 23.501 5.22.3) pagingOriginNon3GPP: TS 23.502 4.2.3.3 step 4b: If the UE is simultaneously registered over 3GPP and non-3GPP accesses in the same PLMN, the UE is in CM-IDLE state in both 3GPP access and non-3GPP access, and the PDU Session ID in step 3a is associated with non-3GPP access, the AMF sends a Paging message with associated access "non-3GPP" to NG-RAN node(s) via 3GPP access. more paging policy with 3gpp/non-3gpp access is described in TS 23.501 5.6.8

func BuildPathSwitchRequestAcknowledge 

func BuildPathSwitchRequestAcknowledge(
	ue *context.RanUe,
	pduSessionResourceSwitchedList ngapType.PDUSessionResourceSwitchedList,
	pduSessionResourceReleasedList ngapType.PDUSessionResourceReleasedListPSAck,
	newSecurityContextIndicator bool,
	coreNetworkAssistanceInformation *ngapType.CoreNetworkAssistanceInformation,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

pduSessionResourceSwitchedList: provided by AMF, and the transfer data is from SMF pduSessionResourceReleasedList: provided by AMF, and the transfer data is from SMF newSecurityContextIndicator: if AMF has activated a new 5G NAS security context, set it to true, otherwise set to false coreNetworkAssistanceInformation: provided by AMF, based on collection of UE behaviour statistics and/or other available information about the expected UE behaviour. TS 23.501 5.4.6, 5.4.6.2 rrcInactiveTransitionReportRequest: configured by amf criticalityDiagnostics: from received node when received not comprehended IE or missing IE

func BuildPathSwitchRequestFailure 

func BuildPathSwitchRequestFailure(
	amfUeNgapId,
	ranUeNgapId int64,
	pduSessionResourceReleasedList *ngapType.PDUSessionResourceReleasedListPSFail,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

pduSessionResourceReleasedList: provided by AMF, and the transfer data is from SMF criticalityDiagnostics: from received node when received not comprehended IE or missing IE

func BuildRanConfigurationUpdateAcknowledge 

func BuildRanConfigurationUpdateAcknowledge(
	criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildRanConfigurationUpdateFailure 

func BuildRanConfigurationUpdateFailure(
	cause ngapType.Cause, criticalityDiagnostics *ngapType.CriticalityDiagnostics) ([]byte, error)

func BuildRerouteNasRequest 

func BuildRerouteNasRequest(ue *context.AmfUe, anType models.AccessType, amfUeNgapID *int64,
	ngapMessage []byte, allowedNSSAI *ngapType.AllowedNSSAI) ([]byte, error)

TS 23.502 4.2.2.2.3 anType: indicate amfUe send this msg for which accessType amfUeNgapID: initial AMF get it from target AMF ngapMessage: initial UE Message to reroute allowedNSSAI: provided by AMF, and AMF get it from NSSF (4.2.2.2.3 step 4b)

func BuildTraceStart 

func BuildTraceStart() ([]byte, error)

func BuildUEContextModificationRequest 

func BuildUEContextModificationRequest(
	amfUe *context.AmfUe,
	anType models.AccessType,
	oldAmfUeNgapID *int64,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	coreNetworkAssistanceInfo *ngapType.CoreNetworkAssistanceInformation,
	mobilityRestrictionList *ngapType.MobilityRestrictionList,
	emergencyFallbackIndicator *ngapType.EmergencyFallbackIndicator) ([]byte, error)

func BuildUEContextReleaseCommand 

func BuildUEContextReleaseCommand(
	ue *context.RanUe, causePresent int, cause aper.Enumerated) ([]byte, error)

func BuildUERadioCapabilityCheckRequest 

func BuildUERadioCapabilityCheckRequest(ue *context.RanUe) ([]byte, error)

func BuildUETNLABindingReleaseRequest 

func BuildUETNLABindingReleaseRequest(ue *context.RanUe) ([]byte, error)

func BuildUnavailableGUAMIList 

func BuildUnavailableGUAMIList(guamiList []models.Guami) (unavailableGUAMIList ngapType.UnavailableGUAMIList)

func NasSendToRan 

func NasSendToRan(ue *context.AmfUe, accessType models.AccessType, packet []byte)

func SendAMFConfigurationUpdate 

func SendAMFConfigurationUpdate(ran *context.AmfRan, usage ngapType.TNLAssociationUsage,
	weightfactor ngapType.TNLAddressWeightFactor)

Weight Factor associated with each of the TNL association within the AMF

func SendAMFStatusIndication 

func SendAMFStatusIndication(ran *context.AmfRan, unavailableGUAMIList ngapType.UnavailableGUAMIList)

An AMF shall be able to instruct other peer CP NFs, subscribed to receive such a notification, that it will be unavailable on this AMF and its corresponding target AMF(s). If CP NF does not subscribe to receive AMF unavailable notification, the CP NF may attempt forwarding the transaction towards the old AMF and detect that the AMF is unavailable. When it detects unavailable, it marks the AMF and its associated GUAMI(s) as unavailable. Defined in 23.501 5.21.2.2.2

func SendDeactivateTrace 

func SendDeactivateTrace(amfUe *context.AmfUe, anType models.AccessType)

func SendDownlinkNasTransport 

func SendDownlinkNasTransport(ue *context.RanUe, nasPdu []byte,
	mobilityRestrictionList *ngapType.MobilityRestrictionList)

func SendDownlinkNonUEAssociatedNRPPATransport 

func SendDownlinkNonUEAssociatedNRPPATransport(ue *context.RanUe, nRPPaPDU ngapType.NRPPaPDU)

NRPPa PDU is by pass NRPPa PDU is from LMF define in 4.13.5.6

func SendDownlinkRanConfigurationTransfer 

func SendDownlinkRanConfigurationTransfer(ran *context.AmfRan, transfer *ngapType.SONConfigurationTransfer)

SONConfigurationTransfer = sONConfigurationTransfer from uplink Ran Configuration Transfer

func SendDownlinkRanStatusTransfer 

func SendDownlinkRanStatusTransfer(ue *context.RanUe, container ngapType.RANStatusTransferTransparentContainer)

RanStatusTransferTransparentContainer from Uplink Ran Configuration Transfer

func SendDownlinkUEAssociatedNRPPaTransport 

func SendDownlinkUEAssociatedNRPPaTransport(ue *context.RanUe, nRPPaPDU ngapType.NRPPaPDU)

NRPPa PDU is a pdu from LMF to RAN defined in TS 23.502 4.13.5.5 step 3 NRPPa PDU is by pass

func SendErrorIndication 

func SendErrorIndication(ran *context.AmfRan, amfUeNgapId, ranUeNgapId *int64, cause *ngapType.Cause,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

func SendHandoverCancelAcknowledge 

func SendHandoverCancelAcknowledge(ue *context.RanUe, criticalityDiagnostics *ngapType.CriticalityDiagnostics)

func SendHandoverCommand 

func SendHandoverCommand(
	sourceUe *context.RanUe,
	pduSessionResourceHandoverList ngapType.PDUSessionResourceHandoverList,
	pduSessionResourceToReleaseList ngapType.PDUSessionResourceToReleaseListHOCmd,
	container ngapType.TargetToSourceTransparentContainer,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

pduSessionResourceHandoverList: provided by amf and transfer is return from smf pduSessionResourceToReleaseList: provided by amf and transfer is return from smf criticalityDiagnostics = criticalityDiagonstics IE in receiver node's error indication when received node can't comprehend the IE or missing IE

func SendHandoverPreparationFailure 

func SendHandoverPreparationFailure(sourceUe *context.RanUe, cause ngapType.Cause,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

cause = initiate the Handover Cancel procedure with the appropriate value for the Cause IE. criticalityDiagnostics = criticalityDiagonstics IE in receiver node's error indication when received node can't comprehend the IE or missing IE

func SendHandoverRequest 

func SendHandoverRequest(sourceUe *context.RanUe, targetRan *context.AmfRan, cause ngapType.Cause,
	pduSessionResourceSetupListHOReq ngapType.PDUSessionResourceSetupListHOReq,
	sourceToTargetTransparentContainer ngapType.SourceToTargetTransparentContainer, nsci bool)

The PGW-C+SMF (V-SMF in the case of home-routed roaming scenario only) sends a Nsmf_PDUSession_CreateSMContext Response(N2 SM Information (PDU Session ID, cause code)) to the AMF. Cause is from SMF pduSessionResourceSetupList provided by AMF, and the transfer data is from SMF sourceToTargetTransparentContainer is received from S-RAN nsci: new security context indicator, if amfUe has updated security context, set nsci to true, otherwise set to false N2 handover in same AMF

func SendInitialContextSetupRequest 

func SendInitialContextSetupRequest(
	amfUe *context.AmfUe,
	anType models.AccessType,
	nasPdu []byte,
	pduSessionResourceSetupRequestList *ngapType.PDUSessionResourceSetupListCxtReq,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	coreNetworkAssistanceInfo *ngapType.CoreNetworkAssistanceInformation,
	emergencyFallbackIndicator *ngapType.EmergencyFallbackIndicator)

func SendLocationReportingControl 

func SendLocationReportingControl(
	ue *context.RanUe,
	AOIList *ngapType.AreaOfInterestList,
	LocationReportingReferenceIDToBeCancelled int64,
	eventType ngapType.EventType)

AOI List is from SMF The SMF may subscribe to the UE mobility event notification from the AMF (e.g. location reporting, UE moving into or out of Area Of Interest) TS 23.502 4.3.2.2.1 Step.17 The Location Reporting Control message shall identify the UE for which reports are requested and may include Reporting Type, Location Reporting Level, Area Of Interest and Request Reference ID TS 23.502 4.10 LocationReportingProcedure The AMF may request the NG-RAN location reporting with event reporting type (e.g. UE location or UE presence in Area of Interest), reporting mode and its related parameters (e.g. number of reporting) TS 23.501 5.4.7 Location Reference ID To Be Cancelled IE shall be present if the Event Type IE is set to "Stop UE presence in the area of interest". otherwise set it to 0

func SendNGReset 

func SendNGReset(ran *context.AmfRan, cause ngapType.Cause,
	partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList)

partOfNGInterface: if reset type is "reset all", set it to nil TS 38.413 9.2.6.11

func SendNGResetAcknowledge 

func SendNGResetAcknowledge(ran *context.AmfRan, partOfNGInterface *ngapType.UEAssociatedLogicalNGConnectionList,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

func SendNGSetupFailure 

func SendNGSetupFailure(ran *context.AmfRan, cause ngapType.Cause)

func SendNGSetupResponse 

func SendNGSetupResponse(ran *context.AmfRan)

func SendOverloadStart 

func SendOverloadStart(
	ran *context.AmfRan,
	amfOverloadResponse *ngapType.OverloadResponse,
	amfTrafficLoadReductionIndication int64,
	overloadStartNSSAIList *ngapType.OverloadStartNSSAIList)

TS 23.501 5.19.5.2 amfOverloadResponse: the required behaviour of NG-RAN, provided by AMF amfTrafficLoadReductionIndication(int 1~99): indicates the percentage of the type, set to 0 if does not need this ie of traffic relative to the instantaneous incoming rate at the NG-RAN node, provided by AMF overloadStartNSSAIList: overload slices, provide by AMF

func SendOverloadStop 

func SendOverloadStop(ran *context.AmfRan)

func SendPDUSessionResourceModifyConfirm 

func SendPDUSessionResourceModifyConfirm(
	ue *context.RanUe,
	pduSessionResourceModifyConfirmList ngapType.PDUSessionResourceModifyListModCfm,
	pduSessionResourceFailedToModifyList ngapType.PDUSessionResourceFailedToModifyListModCfm,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

pduSessionResourceModifyConfirmList: provided by AMF, and transfer data is return from SMF pduSessionResourceFailedToModifyList: provided by AMF, and transfer data is return from SMF

func SendPDUSessionResourceModifyRequest 

func SendPDUSessionResourceModifyRequest(ue *context.RanUe,
	pduSessionResourceModifyRequestList ngapType.PDUSessionResourceModifyListModReq)

pduSessionResourceModifyRequestList: from SMF

func SendPDUSessionResourceReleaseCommand 

func SendPDUSessionResourceReleaseCommand(ue *context.RanUe, nasPdu []byte,
	pduSessionResourceReleasedList ngapType.PDUSessionResourceToReleaseListRelCmd)

func SendPDUSessionResourceSetupRequest 

func SendPDUSessionResourceSetupRequest(ue *context.RanUe, nasPdu []byte,
	pduSessionResourceSetupRequestList ngapType.PDUSessionResourceSetupListSUReq)

nasPDU: from nas layer pduSessionResourceSetupRequestList: provided by AMF, and transfer data is from SMF

func SendPaging 

func SendPaging(ue *context.AmfUe, ngapBuf []byte)

anType indicate amfUe send this msg for which accessType Paging Priority: is included only if the AMF receives an Namf_Communication_N1N2MessageTransfer message with an ARP value associated with priority services (e.g., MPS, MCS), as configured by the operator. (TS 23.502 4.2.3.3, TS 23.501 5.22.3) pagingOriginNon3GPP: TS 23.502 4.2.3.3 step 4b: If the UE is simultaneously registered over 3GPP and non-3GPP accesses in the same PLMN, the UE is in CM-IDLE state in both 3GPP access and non-3GPP access, and the PDU Session ID in step 3a is associated with non-3GPP access, the AMF sends a Paging message with associated access "non-3GPP" to NG-RAN node(s) via 3GPP access. more paging policy with 3gpp/non-3gpp access is described in TS 23.501 5.6.8

func SendPathSwitchRequestAcknowledge 

func SendPathSwitchRequestAcknowledge(
	ue *context.RanUe,
	pduSessionResourceSwitchedList ngapType.PDUSessionResourceSwitchedList,
	pduSessionResourceReleasedList ngapType.PDUSessionResourceReleasedListPSAck,
	newSecurityContextIndicator bool,
	coreNetworkAssistanceInformation *ngapType.CoreNetworkAssistanceInformation,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

pduSessionResourceSwitchedList: provided by AMF, and the transfer data is from SMF pduSessionResourceReleasedList: provided by AMF, and the transfer data is from SMF newSecurityContextIndicator: if AMF has activated a new 5G NAS security context, set it to true, otherwise set to false coreNetworkAssistanceInformation: provided by AMF, based on collection of UE behaviour statistics and/or other available information about the expected UE behaviour. TS 23.501 5.4.6, 5.4.6.2 rrcInactiveTransitionReportRequest: configured by amf criticalityDiagnostics: from received node when received not comprehended IE or missing IE

func SendPathSwitchRequestFailure 

func SendPathSwitchRequestFailure(
	ran *context.AmfRan,
	amfUeNgapId,
	ranUeNgapId int64,
	pduSessionResourceReleasedList *ngapType.PDUSessionResourceReleasedListPSFail,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

pduSessionResourceReleasedList: provided by AMF, and the transfer data is from SMF criticalityDiagnostics: from received node when received not comprehended IE or missing IE

func SendRanConfigurationUpdateAcknowledge 

func SendRanConfigurationUpdateAcknowledge(
	ran *context.AmfRan, criticalityDiagnostics *ngapType.CriticalityDiagnostics)

criticality ->from received node when received node can't comprehend the IE or missing IE

func SendRanConfigurationUpdateFailure 

func SendRanConfigurationUpdateFailure(ran *context.AmfRan, cause ngapType.Cause,
	criticalityDiagnostics *ngapType.CriticalityDiagnostics)

criticality ->from received node when received node can't comprehend the IE or missing IE If the AMF cannot accept the update, it shall respond with a RAN CONFIGURATION UPDATE FAILURE message and appropriate cause value.

func SendRerouteNasRequest 

func SendRerouteNasRequest(ue *context.AmfUe, anType models.AccessType, amfUeNgapID *int64, ngapMessage []byte,
	allowedNSSAI *ngapType.AllowedNSSAI)

TS 23.502 4.2.2.2.3 anType: indicate amfUe send this msg for which accessType amfUeNgapID: initial AMF get it from target AMF ngapMessage: initial UE Message to reroute allowedNSSAI: provided by AMF, and AMF get it from NSSF (4.2.2.2.3 step 4b)

func SendToRan 

func SendToRan(ran *context.AmfRan, packet []byte)

func SendToRanUe 

func SendToRanUe(ue *context.RanUe, packet []byte)

func SendUEContextModificationRequest 

func SendUEContextModificationRequest(
	amfUe *context.AmfUe,
	anType models.AccessType,
	oldAmfUeNgapID *int64,
	rrcInactiveTransitionReportRequest *ngapType.RRCInactiveTransitionReportRequest,
	coreNetworkAssistanceInfo *ngapType.CoreNetworkAssistanceInformation,
	mobilityRestrictionList *ngapType.MobilityRestrictionList,
	emergencyFallbackIndicator *ngapType.EmergencyFallbackIndicator)

func SendUEContextReleaseCommand 

func SendUEContextReleaseCommand(ue *context.RanUe, action context.RelAction, causePresent int, cause aper.Enumerated)

func SendUERadioCapabilityCheckRequest 

func SendUERadioCapabilityCheckRequest(ue *context.RanUe)

func SendUETNLABindingReleaseRequest 

func SendUETNLABindingReleaseRequest(ue *context.RanUe)

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