Revision 1 of the ASN.1 based on various comments

    ...

}

-- ====================================================

-- Intercept-related information for IRI Packet Reports

-- ====================================================

-- ===================================================

-- Intercept-related information for IP Packet Reports

-- ===================================================

IPIRIPacketReport ::= SEQUENCE

{

    iPIRIPacketReportObjId [0] RELATIVE-OID,

    trigger                [1] PacketReportTrigger,

    packet                 [2] OCTET STRING,

    indications            [3] PacketReportIndications,

    bidirectional          [4] BOOLEAN OPTIONAL,

    packetCount            [5] INTEGER OPTIONAL,

    packetCountReverse     [6] INTEGER OPTIONAL,

    byteCount              [7] INTEGER OPTIONAL,

    byteCountReverse       [8] INTEGER OPTIONAL,

    firstTimestamp         [9] GeneralizedTime OPTIONAL,

    lastTimestamp          [10] GeneralizedTime OPTIONAL,

    report                 [1] PacketReport,

    ...

}

PacketReport ::= CHOICE

{

    header  [1] PacketReportHeader,

    summary [2] PacketReportSummary,

    ...

}

PacketReportHeader ::= SEQUENCE

{

    header                 [1] OCTET STRING,

    indications            [2] PacketReportIndications,

    ...

}

PacketReportSummary ::= SEQUENCE

{

    header                 [1] OCTET STRING,

    indications            [2] PacketReportIndications,

    trigger                [3] PacketReportTrigger,

    packetCount            [4] INTEGER OPTIONAL,

    byteCount              [5] INTEGER OPTIONAL,

    firstTimestamp         [6] GeneralizedTime OPTIONAL,

    lastTimestamp          [7] GeneralizedTime OPTIONAL,

    ...

}

PacketReportTrigger ::= ENUMERATED

{

    startOfFlow(0),

    endOfFlow(1),

    entireFlow(2),

    flowStart(1),

    flowEnd(2),

    flowTimeout(3),

    flowTimerExpiration(4),

    flowPacketCount(5),

    flowByteCount(6),

    headerReport(7),

    endOfReport(8),

    sessionTimerExpiration(7),

    sessionPacketCount(8),

    sessionByteCount(9),

    reportEnd(10),

    ...

}

PacketReportIndications ::= BIT STRING

{

    zeroedIPv4TotalLength(0),

    zeroedIPv4Flags(1),

    zeroedIPv4TimeToLive(2),

    zeroedIPv4HeaderChecksum(3),

    zeroedIPv6PayloadLength(4),

    removedIPv6ExtensionHeaders(5),

    zeroedTCPSequenceNumber(6),

    zeroedTCPAcknowledgementNumber(7),

    zeroedTCPFlags(8),

    zeroedTCPWindowSize(9),

    zeroedTCPChecksum(10),

    zeroedUDPLength(11),

    zeroedUDPChecksum(12)

    zeroedIPv4TotalLength(1),

    zeroedIPv4Flags(2),

    zeroedIPv4TimeToLive(3),

    zeroedIPv4HeaderChecksum(4),

    zeroedIPv6PayloadLength(5),

    removedIPv6ExtensionHeaders(6),

    zeroedTCPSequenceNumber(7),

    zeroedTCPAcknowledgementNumber(8),

    zeroedTCPFlags(9),

    zeroedTCPWindowSize(10),

    zeroedTCPChecksum(11),

    zeroedUDPLength(12),

    zeroedUDPChecksum(13)

}

END -- end of IPAccessPDU