-- $Id$
-- 3GPP TS 36.423 V8.0.0 (2007-12)
-- 9.3.4	PDU Definitions
-- **************************************************************
--
-- PDU definitions for X2AP.
--
-- **************************************************************

X2AP-PDU-Contents {
itu-t (0) identified-organization (4) etsi (0) mobileDomain (0) 
eps-Access (21) modules (3) x2ap (2) version1 (1) x2ap-PDU-Contents (1) }

DEFINITIONS AUTOMATIC TAGS ::= 

BEGIN

-- **************************************************************
--
-- IE parameter types from other modules.
--
-- **************************************************************

IMPORTS
	AggregateMaximumBitRate,
	Bearer-ID,
	Cause,
	CGI,
	COUNTvalue,
	CriticalityDiagnostics,
	DL-Forwarding,
	ENB-Global-ID,
	GUMMEI,
	HandoverRestrictionList,
	InterferenceOverloadIndication,
	PDCP-SN,
	PLMN-Identity,
	UE-S1AP-ID,
	RB-type,
	ReceiveStatusofULPDCPSDUs,
	RRC-Context,
	SAE-BearerLevel-QoS-Parameters,
	ServedCells,
	TimeToWait,
	TraceActivation,
	TargeteNBtoSource-eNBTransparentContainer,
	TraceDepth,
	TraceReference,
	TransportLayerAddress,
	UE-HistoryInformation,
	GTPtunnelEndpoint,
	UE-X2AP-ID
FROM X2AP-IEs

	PrivateIE-Container{},
	ProtocolExtensionContainer{},
	ProtocolIE-ContainerList{},
	ProtocolIE-ContainerPair{},
	ProtocolIE-ContainerPairList{},
	ProtocolIE-Container{},
	ProtocolIE-Single-Container{},
	X2AP-PRIVATE-IES,
	X2AP-PROTOCOL-EXTENSION,
	X2AP-PROTOCOL-IES,
	X2AP-PROTOCOL-IES-PAIR
FROM X2AP-Containers

	id-Bearers-Admitted-Item,
	id-Bearers-Admitted-List,
	id-Bearers-NotAdmitted-Item,
	id-Bearers-NotAdmitted-List,
	id-Bearers-SubjectToStatusTransfer-List,
	id-Bearers-SubjectToStatusTransfer-Item,
	id-Cause,
	id-CellInformation,
	id-CellInformation-Item,
	id-CriticalityDiagnostics,
	id-ENB-Global-ID,
	id-GUMMEI-ID,
	id-UE-ContextInformation,
	id-Bearers-ToBeSetup-Item,
	id-New-eNB-UE-X2AP-ID,
	id-Old-eNB-UE-X2AP-ID,
	id-ServedCells,
	id-TargetCell-ID,
	id-TargeteNBtoSource-eNBTransparentContainer,
	id-TimeToWait,
	id-TraceActivation,
	id-UE-HistoryInformation,
	id-UE-X2AP-ID,

	maxnoofBearers,
	maxnoofPDCP-SN,
	maxCellineNB
FROM X2AP-Constants;

-- **************************************************************
--
-- HANDOVER REQUEST
--
-- **************************************************************

HandoverRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverRequest-IEs}},
	...
}

HandoverRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID				CRITICALITY reject	TYPE UE-X2AP-ID 				PRESENCE mandatory } |
	{ ID id-Cause							CRITICALITY ignore	TYPE Cause 						PRESENCE mandatory } |
	{ ID id-TargetCell-ID					CRITICALITY reject	TYPE CGI 						PRESENCE mandatory } |
	{ ID id-GUMMEI-ID						CRITICALITY reject	TYPE GUMMEI  					PRESENCE mandatory } |
	{ ID id-UE-ContextInformation			CRITICALITY reject	TYPE UE-ContextInformation 		PRESENCE mandatory } |
	{ ID id-UE-HistoryInformation			CRITICALITY ignore	TYPE UE-HistoryInformation 		PRESENCE optional } |
	{ ID id-TraceActivation					CRITICALITY ignore	TYPE TraceActivation 			PRESENCE optional } ,
	...
}

UE-ContextInformation ::= SEQUENCE {
	mME-UE-S1AP-ID						UE-S1AP-ID,
	aggregateMaximumBitRate				AggregateMaximumBitRate,
	bearers-ToBeSetup-List				Bearers-ToBeSetup-List,
	rRC-Context							RRC-Context, 
	servingPLMN							PLMN-Identity				OPTIONAL,
	handoverRestrictionList				HandoverRestrictionList		OPTIONAL,
	iE-Extensions						ProtocolExtensionContainer { {UE-ContextInformation-ExtIEs} } OPTIONAL,
	...
}

UE-ContextInformation-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

Bearers-ToBeSetup-List ::= SEQUENCE (SIZE(0..maxnoofBearers)) OF ProtocolIE-Single-Container { {Bearers-ToBeSetup-ItemIEs} }

Bearers-ToBeSetup-ItemIEs 	X2AP-PROTOCOL-IES ::= {
	{ ID id-Bearers-ToBeSetup-Item	 CRITICALITY ignore 	TYPE Bearers-ToBeSetup-Item 	PRESENCE mandatory },
	...
}

Bearers-ToBeSetup-Item ::= SEQUENCE {
	sAE-Bearer-ID					Bearer-ID,
	sAE-BearerLevel-QoS-Parameters		SAE-BearerLevel-QoS-Parameters,
	dL-Forwarding					DL-Forwarding,
	uL-GTPtunnelEndpoint			GTPtunnelEndpoint,
	rB-type 						RB-type,
	iE-Extensions					ProtocolExtensionContainer { {Bearers-ToBeSetup-ItemExtIEs} } OPTIONAL,
	...
}

Bearers-ToBeSetup-ItemExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}



-- **************************************************************
--
-- HANDOVER REQUEST ACKNOWLEDGE
--
-- **************************************************************

HandoverRequestAcknowledge ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverRequestAcknowledge-IEs}},
	...
}

HandoverRequestAcknowledge-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID							CRITICALITY reject	TYPE UE-X2AP-ID							PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID							CRITICALITY reject	TYPE UE-X2AP-ID							PRESENCE mandatory} |
	{ ID id-Bearers-Admitted-List						CRITICALITY ignore	TYPE Bearers-Admitted-List			PRESENCE optional	} |
	{ ID id-Bearers-NotAdmitted-List					CRITICALITY ignore	TYPE Bearers-NotAdmitted-List		PRESENCE optional	} |
	{ ID id-TargeteNBtoSource-eNBTransparentContainer	CRITICALITY ignore	TYPE TargeteNBtoSource-eNBTransparentContainer			PRESENCE mandatory },
	...
}

Bearers-Admitted-List 		::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-Single-Container { {Bearers-Admitted-ItemIEs} }

Bearers-Admitted-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Bearers-Admitted-Item	CRITICALITY ignore	TYPE Bearers-Admitted-Item 	PRESENCE mandatory	}
}

Bearers-Admitted-Item ::= SEQUENCE {
	bearer-ID						Bearer-ID,
	uL-GTP-TunnelEndpoint			GTPtunnelEndpoint	OPTIONAL,
	dL-GTP-TunnelEndpoint			GTPtunnelEndpoint	OPTIONAL,
	iE-Extensions					ProtocolExtensionContainer { {Bearers-Admitted-Item-ExtIEs} } OPTIONAL,
	...
}

Bearers-Admitted-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

Bearers-NotAdmitted-List 		::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-Single-Container { {Bearers-NotAdmitted-ItemIEs} }

Bearers-NotAdmitted-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Bearers-NotAdmitted-Item	CRITICALITY ignore	TYPE Bearers-NotAdmitted-Item 	PRESENCE mandatory	}
}

Bearers-NotAdmitted-Item ::= SEQUENCE {
	bearer-ID						Bearer-ID,
	cause							Cause,
	iE-Extensions					ProtocolExtensionContainer { {Bearers-NotAdmitted-Item-ExtIEs} } OPTIONAL,
	...
}

Bearers-NotAdmitted-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}


-- **************************************************************
--
-- HANDOVER PREPARATION FAILURE
--
-- **************************************************************

HandoverPreparationFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverPreparationFailure-IEs}},
	...
}

HandoverPreparationFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause					PRESENCE mandatory} ,
	...
}

-- **************************************************************
--
-- SN Status Transfer
--
-- **************************************************************

SNStatusTransfer ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{SNStatusTransfer-IEs}},
	...
}

SNStatusTransfer-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID						CRITICALITY reject	TYPE UE-X2AP-ID											PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID						CRITICALITY reject	TYPE UE-X2AP-ID											PRESENCE mandatory} |
	{ ID id-Bearers-SubjectToStatusTransfer-List	CRITICALITY ignore	TYPE Bearers-SubjectToStatusTransfer-List		PRESENCE mandatory} ,
	...
}

Bearers-SubjectToStatusTransfer-List	::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-Single-Container { { Bearers-SubjectToStatusTransfer-ItemIEs} }

Bearers-SubjectToStatusTransfer-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Bearers-SubjectToStatusTransfer-Item	CRITICALITY ignore	TYPE Bearers-SubjectToStatusTransfer-Item 	PRESENCE mandatory	}
}

Bearers-SubjectToStatusTransfer-Item ::= SEQUENCE {
	bearer-ID								Bearer-ID,
	
	receiveStatusofULPDCPSDUs				ReceiveStatusofULPDCPSDUs			OPTIONAL,
	uL-COUNTvalue					COUNTvalue,
	dL-COUNTvalue					COUNTvalue,
	iE-Extensions							ProtocolExtensionContainer { {Bearers-SubjectToStatusTransfer-ItemExtIEs} } OPTIONAL,
	...
}

Bearers-SubjectToStatusTransfer-ItemExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}





-- **************************************************************
--
-- Release Resource
--
-- **************************************************************

ReleaseResource ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ReleaseResource-IEs}},
	...
}

ReleaseResource-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} ,
	...
}


-- **************************************************************
--
-- HANDOVER CANCEL
--
-- **************************************************************

HandoverCancel ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverCancel-IEs}},
	...
}

HandoverCancel-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause					PRESENCE mandatory} ,
	...
}

-- **************************************************************
--
-- ERROR INDICATION
--
-- **************************************************************

ErrorIndication ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ErrorIndication-IEs}},
	...
}

ErrorIndication-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID					PRESENCE optional} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID					PRESENCE optional} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE optional} |
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics		PRESENCE optional} ,
	...
}

-- **************************************************************
--
-- Reset Request
--
-- **************************************************************

ResetRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResetRequest-IEs}},
	...
}

ResetRequest-IEs X2AP-PROTOCOL-IES ::= {
	...
}

-- **************************************************************
--
-- Reset Response
--
-- **************************************************************

ResetResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResetResponse-IEs}},
	...
}

ResetResponse-IEs X2AP-PROTOCOL-IES ::= {
	...
}

-- **************************************************************
--
-- X2 SETUP REQUEST
--
-- **************************************************************

X2SetupRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupRequest-IEs}},
	...
}

X2SetupRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB-Global-ID				CRITICALITY reject	TYPE ENB-Global-ID				PRESENCE mandatory} |
	{ ID id-ServedCells			CRITICALITY reject	TYPE ServedCells		PRESENCE mandatory} ,
	...
}



-- **************************************************************
--
-- X2 SETUP RESPONSE
--
-- **************************************************************

X2SetupResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupResponse-IEs}},
	...
}

X2SetupResponse-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB-Global-ID				CRITICALITY reject	TYPE ENB-Global-ID				PRESENCE mandatory} |
	{ ID id-ServedCells			CRITICALITY reject	TYPE ServedCells		PRESENCE mandatory} ,
	...
}



-- **************************************************************
--
-- X2 SETUP FAILURE
--
-- **************************************************************

X2SetupFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupFailure-IEs}},
	...
}

X2SetupFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Cause				CRITICALITY ignore	TYPE Cause			PRESENCE mandatory} |
	{ ID id-TimeToWait			CRITICALITY ignore	TYPE TimeToWait		PRESENCE optional} ,
	...
}



-- **************************************************************
--
-- LOAD INFORMATION
--
-- **************************************************************

LoadInformation ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{LoadInformation-IEs}},
	...
}

LoadInformation-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellInformation				CRITICALITY ignore	TYPE CellInformation-List		PRESENCE mandatory} ,
	...
}

CellInformation-List 		::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { {CellInformation-ItemIEs} }

CellInformation-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellInformation-Item	CRITICALITY ignore	TYPE CellInformation-Item 	PRESENCE mandatory	}
}

CellInformation-Item ::= SEQUENCE {
	global-Cell-ID							CGI,
	interferenceOverloadIndication			InterferenceOverloadIndication		OPTIONAL,
	iE-Extensions							ProtocolExtensionContainer { {CellInformation-Item-ExtIEs} } OPTIONAL,
	...
}

CellInformation-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}
-- **************************************************************
--
-- PRIVATE MESSAGE
--
-- **************************************************************

PrivateMessage ::= SEQUENCE {
	privateIEs		PrivateIE-Container  {{PrivateMessage-IEs}},
	...
}

PrivateMessage-IEs X2AP-PRIVATE-IES ::= {
	...
}

END