class ULI_TAI(gtp.IE_Base):
name = "IE Tracking Area Identity"
fields_desc = [
gtp.TBCDByteField("MCC", "", 2),
gtp.TBCDByteField("MNC", "", 1),
ShortField("TAC", 0)
]
class ULI_ECGI(gtp.IE_Base):
name = "IE E-UTRAN Cell Identifier"
fields_desc = [
gtp.TBCDByteField("MCC", "", 2),
gtp.TBCDByteField("MNC", "", 1),
BitField("SPARE", 0, 4),
BitField("ECI", 0, 28)
]
class ULI_RAI(gtp.IE_Base):
name = "IE Tracking Area Identity"
fields_desc = [
gtp.TBCDByteField("MCC", "", 2),
# MNC: if the third digit of MCC is 0xf, then the length of
# MNC is 1 byte
gtp.TBCDByteField("MNC", "", 1),
ShortField("LAC", 0),
ShortField("RAC", 0)
]
class IE_ServingNetwork(gtp.IE_Base):
name = "IE Serving Network"
fields_desc = [
ByteEnumField("ietype", 83, IEType),
ShortField("length", 0),
BitField("CR_flag", 0, 4),
BitField("instance", 0, 4),
gtp.TBCDByteField("MCC", "", 2),
gtp.TBCDByteField("MNC", "", 1)
]
class IE_MSISDN(gtp.IE_Base):
name = "IE MSISDN"
fields_desc = [
ByteEnumField("ietype", 76, IEType),
ShortField("length", 0),
BitField("CR_flag", 0, 4),
BitField("instance", 0, 4),
gtp.TBCDByteField("MSISDN",
"33123456789",
length_from=lambda x: x.length)
]
class IE_IMSI(gtp.IE_Base):
name = "IE IMSI"
fields_desc = [
ByteEnumField("ietype", 1, IEType),
ShortField("length", 0),
BitField("CR_flag", 0, 4),
BitField("instance", 0, 4),
gtp.TBCDByteField("IMSI",
"33607080910",
length_from=lambda x: x.length)
]
class IE_MEI(gtp.IE_Base):
name = "IE MEI"
fields_desc = [
ByteEnumField("ietype", 75, IEType),
ShortField("length", 0),
BitField("CR_flag", 0, 4),
BitField("instance", 0, 4),
gtp.TBCDByteField("MEI",
"123456789012345",
length_from=lambda x: x.length)
]
