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module BSSGP_Types {
/* BSSGP type definitions in TTCN-3
* (C) 2018 Harald Welte <laforge@gnumonks.org>
* All rights reserved.
*
* Released under the terms of GNU General Public License, Version 2 or
* (at your option) any later version.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
import from General_Types all;
import from Osmocom_Types all;
import from GSM_Types all;
import from GSM_RR_Types all;
import from L3_Templates all;
import from BSSGP_Helper_Functions all;
type enumerated BssgpPduType {
DL_UNITDATA ('00'H),
UL_UNITDATA ('01'H),
RA_CAPABILITY ('02'H),
DL_MBMS_UNITDATA ('04'H),
UL_MBMS_UNITDATA ('05'H),
/* between GMM SAPs */
PAGING_PS ('06'H),
PAGING_CS ('07'H),
RA_CAPABILITY_UPDATE ('08'H),
RA_CAPABILITY_UPDATE_ACK ('09'H),
RADIO_STATUS ('0A'H),
SUSPEND ('0B'H),
SUSPEND_ACK ('0C'H),
SUSPEND_NACK ('0D'H),
RESUME ('0E'H),
RESUME_ACK ('0F'H),
RESUME_NACK ('10'H),
/* between NM SAPs */
BVC_BLOCK ('20'H),
BVC_BLOCK_ACK ('21'H),
BVC_RESET ('22'H),
BVC_RESET_ACK ('23'H),
BVC_UNBLOCK ('24'H),
BVC_UNBLOCK_ACK ('25'H),
FLOW_CONTROL_BVC ('26'H),
FLOW_CONTROL_BVC_ACK ('27'H),
FLOW_CONTROL_MS ('28'H),
FLOW_CONTROL_MS_ACK ('29'H),
FLUSH_LL ('2A'H),
FLUSH_LL_ACK ('2B'H),
LLC_DISCARDED ('2C'H),
FLOW_CONTROL_PFC ('2D'H),
FLOW_CONTROL_PFC_ACK ('2E'H),
SGSN_INVOKE_TRACE ('40'H),
STATUS ('41'H)
/* between PFM SAPs : TODO */
/* between LCS SAPs : TODO */
/* between RIM SAPs : TODO */
/* between MBMS SAPs : TODO */
} with { variant "FIELDLENGTH(8)" };
type enumerated BssgpIEI {
ALIGNMENT_OCTETS ('00'H),
BMAX_DEFAULT_MS ('01'H),
BSS_AREA_INDICATION ('02'H),
BUCKET_LEAK_RATE ('03'H),
BVCI ('04'H),
BVC_BUCKET_SIZE ('05'H),
BVC_MEASUREMENT ('06'H),
CAUSE ('07'H),
CELL_ID ('08'H),
CHENNEL_NEEDED ('09'H),
DRX_PARAMETERS ('0A'H),
EMLPP_PRIORITY ('0B'H),
FLUSH_ACTION ('0C'H),
IMSI ('0D'H),
LLC_PDU ('0E'H),
LLC_FRAMES_DISCARDED ('0F'H),
LOCATION_AREA ('10'H),
MOBILE_IDENTITY ('11'H),
MS_BUCKET_SIZE ('12'H),
MS_RADIO_ACCESS_CAPABILITY ('13'H),
OMC_ID ('14'H),
PDU_IN_ERROR ('15'H),
PDU_LIFETIME ('16'H),
PRIORITY ('17'H),
QOS_PROFILE ('18'H),
RADIO_CAUSE ('19'H),
RA_CAP_UPD_CAUSE ('1A'H),
ROUTEING_AREA ('1B'H),
R_DEFAULT_MS ('1C'H),
SUSPE_DN_REFERENCE_NR ('1D'H),
TAG ('1E'H),
TLLI ('1F'H),
TMSI ('20'H),
TRACE_REFERENCE ('21'H),
TRACE_TYPE ('22'H),
TRANSACTION_ID ('23'H),
TRIGGER_ID ('24'H),
NUMBER_OF_OCTETS_AFFECTED ('25'H),
LSA_IDENTIFIER_LIST ('26'H),
LSA_INFORMATION ('27'H),
PACKET_FLOW_IDENTIFIER ('28'H),
PACKET_FLOW_TIMER ('29'H),
AGGREGATE_BSS_QOS_PROFILE ('3a'H),
FEATURE_BITMAP ('3b'H),
BUCKET_FILL_RATIO ('3c'H),
SERVICE_UTRAN_CCO ('3d'H),
NSEI ('3e'H),
RRLP_APDU ('3f'H),
LCS_QOS ('40'H),
LCS_CLIENT_TYPE ('41'H),
REQUESTED_GPS_ASSIST_DATA ('42'H),
LOCATION_TYPE ('43'H),
LOCATION_ESTIMATE ('44'H),
POSITIONING_DATA ('45'H),
DECIPHERING_KEYS ('46'H),
LCS_PRIORITY ('47'H),
LCS_CAUSE ('48'H),
LCS_CAPABILITY ('49'H),
RRLP_FLAGS ('4a'H),
RIM_APPLICATION_IDENTITY ('4b'H),
RIM_SEQUENCE_NUMBER ('4c'H),
RAN_INFO_REUEST_AC ('4d'H),
RAN_INFO_AC ('4e'H),
RIM_PDU_INDICATIONS ('4f'H),
PFC_FLOC_CONTROL_PARAMETERS ('52'H),
GLOBAL_CN_ID ('53'H),
RIM_ROUTING_INFORMATION ('54'H),
RIM_PROTOCOL_VERSION_NUMBER ('55'H),
APP_ERROR_CONTAINER ('56'H),
/* FIXME */
EXTENDED_FEATURE_BITMAP ('69'H)
} with { variant "FIELDLENGTH(8)" };
type enumerated BssgpCause {
BSSGP_CAUSE_PROC_OVERLOAD ('00'H),
BSSGP_CAUSE_EQUIMENT_FAILURE ('01'H),
BSSGP_CAUSE_TRANSIT_NETWORK_FAILURE ('02'H),
BSSGP_CAUSE_NET_SV_CAP_MOD_GT_ZERO_KBPS ('03'H),
BSSGP_CAUSE_UNKNOWN_MS ('04'H),
BSSGP_CAUSE_BVCI_UNKNOWN ('05'H),
BSSGP_CAUSE_CELL_TRAFFIC_CONGESTION ('06'H),
BSSGP_CAUSE_SGSN_CONGESTION ('07'H),
BSSGP_CAUSE_OM_INTERVENTION ('08'H),
BSSGP_CAUSE_BVCI_BLOCKED ('09'H),
BSSGP_CAUSE_PFC_CREATE_FAILURE ('0a'H),
BSSGP_CAUSE_PFC_PREEMPTED ('0b'H),
BSSGP_CAUSE_ABQP_NO_MORE_SUPPORTED ('0c'H),
BSSGP_CAUSE_SEMANTICALLY_INCORRECT_PDU ('20'H),
BSSGP_CAUSE_INVALID_MANDATORY_IE ('21'H),
BSSGP_CAUSE_MISSING_MANDATORY_IE ('22'H),
BSSGP_CAUSE_MISSING_CONDITIONAL_IE ('23'H),
BSSGP_CAUSE_UNEXPECTED_CONDITIONAL_IE ('24'H),
BSSGP_CAUSE_CONDITIONAL_IE_ERROR ('25'H),
BSSGP_CAUSE_PDU_NOT_COMPATIBLE_WITH_PROTOCOL_STATE ('26'H),
BSSGP_CAUSE_PROTOCOL_ERROR_UNSPECIFIED ('27'H),
BSSGP_CAUSE_PDU_NOT_COMPATIBLE_WITH_FEATURE_SET ('28'H),
BSSGP_CAUSE_REQUESTED_INFO_NOT_AVAILABLE ('29'H),
BSSGP_CAUSE_UNKNOWN_DESTINATION_ADDRESS ('2a'H),
BSSGP_CAUSE_UNKNOWN_RIM_APP_IDENTITY ('2b'H),
BSSGP_CAUSE_INVALID_CONTAINER_UNIT_INFO ('2c'H),
BSSGP_CAUSE_PFC_QUEUING ('2d'H),
BSSGP_CAUSE_PFC_CREATED_SUCCESSFULLY ('2e'H),
BSSGP_CAUSE_T12_EXPIRY ('2f'H),
BSSGP_CAUSE_MS_UNDER_PS_HANDOVER_TREATMENT ('30'H),
BSSGP_CAUSE_UPLINK_QUALITY ('31'H),
BSSGP_CAUSE_UPLINK_STRENGTH ('32'H),
BSSGP_CAUSE_DOWNLINK_QUALITY ('33'H),
BSSGP_CAUSE_DOWNLINK_STRENGTH ('34'H),
BSSGP_CAUSE_DISTANCE ('35'H),
BSSGP_CAUSE_BETTER_CELL ('36'H),
BSSGP_CAUSE_TRAFFIC ('37'H),
BSSGP_CAUSE_OM_INTERVENTION2 ('38'H),
BSSGP_CAUSE_MS_BACK_ON_OLD_CHANNEL ('39'H),
BSSGP_CAUSE_T13_EXPIRY ('3a'H),
BSSGP_CAUSE_T14_EXPIRY ('3b'H),
BSSGP_CAUSE_NOT_ALL_REQUESTED_PFC_CREATED ('3c'H)
} with { variant "FIELDLENGTH(8)" };
/* 11.3.28 */
type record BssgpQosProfile {
uint16_t r,
BIT2 spare,
boolean c_r,
boolean t,
boolean a,
uint3_t precedence
} with { variant (c_r) "FIELDLENGTH(1)"
variant (t) "FIELDLENGTH(1)"
variant (a) "FIELDLENGTH(1)"
};
/* 11.3.84 */
type record BssgpFeatureBitmap {
boolean mbms,
boolean enh_radio_status,
boolean pfc_fc,
boolean rim,
boolean lcs,
boolean inr,
boolean cbl,
boolean pfc
} with { variant "" };
/* 11.3.47 */
type record BssgpServiceUtranCco {
uint5_t spare,
uint3_t value_part
} with { variant "" };
/* 11.3.84 */
type record BssgpExtendedFeatureBitmap {
BIT7 spare,
BIT1 ps_handover
} with { variant "" };
type uint16_t BssgpPduLifetime;
/* TS 48.008 3.2.2.18 */
type record BssmapPriority {
BIT1 spare,
boolean pci,
uint4_t level,
boolean qa,
boolean pvi
} with { variant "" };
type BssmapPriority BssgpPriority;
type uint32_t BssgpTlli;
type uint16_t BssgpBvci;
type record BssgpCellId {
RoutingAreaIdentification ra_id,
CellIdentity cell_id
} with { variant "" };
type union BssgpIeUnion {
uint16_t bmax_default_ms, /* 11.3.2 */
uint16_t bucket_leak_rate, /* 11.3.4 */
uint16_t bvc_bucket_size, /* 11.3.5 */
BssgpBvci bvci, /* 11.3.6 */
uint16_t bvc_measurement, /* 11.3.7 */
BssgpCause cause, /* 11.3.8 */
BssgpCellId cell_id, /* 11.3.9 */
DrxParameter drx_parameter, /* 10.3.11 */
MobileIdentityV imsi, /* 11.3.14 */
LocationAreaIdentification lai, /* 11.3.17 */
MobileIdentityV mobile_id, /* 11.3.20 */
BssgpPduLifetime pdu_lifetime, /* 11.3.25 */
BssgpPriority priority, /* 11.3.27 */
BssgpQosProfile qos_profile, /* 11.3.28 */
BssgpTlli tlli, /* 11.3.25 */
uint16_t r_default_ms, /* 11.3.32 */
GsmTmsi tmsi, /* 11.3.36 */
BssgpServiceUtranCco svc_utran_cco, /* 11.3.47 */
BssgpFeatureBitmap feature_bitmap, /* 11.3.40 */
BssgpExtendedFeatureBitmap ext_feature_bitmap, /* 11.3.84 */
octetstring other
};
type record BssgpTLV {
BssgpIEI iei,
/* we cannot express a variable-length "length" field with extension octets in the TTCN-3
* syntax, so we simply assume a plain 16 bit length value here and have a 'pseudl-BSSGP'
* translator in front which explands all variable-length "length" fields to 16bits */
uint16_t len,
BssgpIeUnion u
} with {
variant (u) "CROSSTAG(
bmax_default_ms, iei = BMAX_DEFAULT_MS;
bucket_leak_rate, iei = BUCKET_LEAK_RATE;
bvc_bucket_size, iei = BVC_BUCKET_SIZE;
bvci, iei = BVCI;
bvc_measurement, iei = BVC_MEASUREMENT;
cause, iei = CAUSE;
cell_id, iei = CELL_ID;
drx_parameter, iei = DRX_PARAMETERS;
imsi, iei = IMSI;
lai, iei = LOCATION_AREA;
priority, iei = PRIORITY;
mobile_id, iei = MOBILE_IDENTITY;
pdu_lifetime, iei = PDU_LIFETIME;
qos_profile, iei = QOS_PROFILE;
tlli, iei = TLLI;
r_default_ms, iei = R_DEFAULT_MS;
tmsi, iei = TMSI;
svc_utran_cco, iei = SERVICE_UTRAN_CCO;
feature_bitmap, iei = FEATURE_BITMAP;
ext_feature_bitmap, iei = EXTENDED_FEATURE_BITMAP;
other, OTHERWISE)"
variant (len) "LENGTHTO(u)"
};
external function enc_BssgpTLV(in BssgpTLV pdu) return octetstring
with { extension "prototype(convert) encode(RAW)" };
external function dec_BssgpTLV(in octetstring stream) return BssgpTLV
with { extension "prototype(convert) decode(RAW)" };
type record of BssgpTLV BssgpTLVs;
/* 10.2.1 */
type record BssgpDlUnitdata {
BssgpTlli tlli,
BssgpQosProfile qos_profile,
BssgpTLV pdu_lifetime,
/* optional parts */
BssgpTLVs tlvs
} with { variant "" };
/* 10.2.2 */
type record BssgpUlUnitdata {
BssgpTlli tlli,
BssgpQosProfile qos_profile,
BssgpTLV cell_id,
/* optional parts */
BssgpTLVs tlvs
} with { variant "" };
type record BssgpNormalPdu {
BssgpTLVs tlvs optional
} with { variant "" };
type union BssgpPduUnion {
BssgpDlUnitdata dl_unitdata,
BssgpUlUnitdata ul_unitdata,
BssgpNormalPdu other
};
type record BssgpPdu {
BssgpPduType pdu_type,
BssgpPduUnion u
} with {
variant (u) "CROSSTAG(
dl_unitdata, pdu_type = DL_UNITDATA;
ul_unitdata, pdu_type = UL_UNITDATA;
other, OTHERWISE)"
}
external function enc_BssgpPdu(in BssgpPdu pdu) return octetstring
with { extension "prototype(convert) encode(RAW)" };
external function dec_BssgpPdu(in octetstring stream) return BssgpPdu
with { extension "prototype(convert) decode(RAW)" };
template BssgpPdu t_BSSGP_other(template BssgpPduType pdu_type, template BssgpTLVs tlvs) := {
pdu_type := pdu_type,
u := {
other := {
tlvs := tlvs
}
}
}
template BssgpTLV t_BSSGP_IE_Cause(template BssgpCause cause) := {
iei := CAUSE,
len := 1,
u := { cause := cause }
}
template BssgpTLV t_BSSGP_IE_Bvci(template BssgpBvci bvci) := {
iei := BVCI,
len := 2,
u := { bvci := bvci }
}
template BssgpTLV t_BSSGP_IE_CellId(template BssgpCellId cid) := {
iei := CELL_ID,
len := 8,
u := { cell_id := cid }
}
template BssgpTLV t_BSSGP_IE_Lifetime(uint16_t time) := {
iei := PDU_LIFETIME,
len := 2,
u := { pdu_lifetime := time }
}
template BssgpTLV t_BSSGP_IE_Tmsi(template GsmTmsi tmsi) := {
iei := TMSI,
len := 4,
u := { tmsi := tmsi }
}
template BssgpTLV t_BSSGP_IE_Imsi(template hexstring imsi) := {
iei := IMSI,
len := 4,
u := { mobile_id := tr_MI_IMSI(imsi) }
}
template BssgpTLV t_BSSGP_IE_Qos(BssgpQosProfile qos) := {
iei := QOS_PROFILE,
len := 0,
u := {
qos_profile := qos
}
}
template BssgpTLV t_BssgpIE(template BssgpIEI iei, template BssgpIeUnion u) := {
iei := iei,
len := 0,
u := u
}
template BssgpTLV t_BSSGP_IE_PDU(BssgpPdu pdu) :=
t_BssgpIE(PDU_IN_ERROR, { other := f_BSSGP_compact_len(enc_BssgpPdu(pdu)) });
template BssgpPdu t_BVC_RESET(template BssgpCause cause, template BssgpBvci bvci, template BssgpCellId cell_id) :=
t_BSSGP_other(BVC_RESET, { t_BSSGP_IE_Bvci(bvci), t_BSSGP_IE_Cause(cause), t_BSSGP_IE_CellId(cell_id) });
template BssgpPdu t_BVC_RESET_ACK(template BssgpBvci bvci, template BssgpCellId cell_id) :=
t_BSSGP_other(BVC_RESET_ACK, { t_BSSGP_IE_Bvci(bvci), t_BSSGP_IE_CellId(cell_id) });
template BssgpPdu t_BVC_UNBLOCK(template BssgpBvci bvci) := t_BSSGP_other(BVC_UNBLOCK, { t_BSSGP_IE_Bvci(bvci) });
template BssgpPdu t_BVC_UNBLOCK_ACK(template BssgpBvci bvci) := t_BSSGP_other(BVC_UNBLOCK_ACK, { t_BSSGP_IE_Bvci(bvci) });
template BssgpPdu t_BVC_BLOCK(template BssgpBvci bvci, template BssgpCause cause) :=
t_BSSGP_other(BVC_BLOCK, { t_BSSGP_IE_Bvci(bvci), t_BSSGP_IE_Cause(cause) });
template BssgpPdu t_BVC_BLOCK_ACK(template BssgpBvci bvci) := t_BSSGP_other(BVC_BLOCK_ACK, { t_BSSGP_IE_Bvci(bvci) });
template BssgpPdu tr_BSSGP_type(template BssgpPduType pdu_type, template BssgpPduUnion u := ?) := {
pdu_type := pdu_type,
u := u
}
template BssgpPdu t_BVC_FC_BVC := t_BSSGP_other(FLOW_CONTROL_BVC, ?);
template BssgpPdu t_BVC_FC_BVC_ACK := t_BSSGP_other(FLOW_CONTROL_BVC_ACK, {});
template BssgpPdu t_BVC_FC_MS := t_BSSGP_other(FLOW_CONTROL_MS, ?);
template BssgpPdu t_BVC_FC_MS_ACK := t_BSSGP_other(FLOW_CONTROL_MS_ACK, {});
template BssgpPdu t_BSSGP_STATUS(template BssgpTLVs tlvs) := t_BSSGP_other(STATUS, tlvs);
} with { encode "RAW" };
|