diff options
| author | wmeier <wmeier@f5534014-38df-0310-8fa8-9805f1628bb7> | 2010-05-10 15:54:57 +0000 |
|---|---|---|
| committer | wmeier <wmeier@f5534014-38df-0310-8fa8-9805f1628bb7> | 2010-05-10 15:54:57 +0000 |
| commit | b9a4862c10a8e8a3ef7c9983b857c7d6ce5facc1 (patch) | |
| tree | a705161815ce4b6ab546dbeb6743658d6d50cfe0 /epan/dissectors/packet-bssap.c | |
| parent | 09d82e68d193228c1fd9a25441f403a1c41f7951 (diff) | |
Indentation & whitespace cleanup (including: "4 space tabs" ==> spaces)
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@32735 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/dissectors/packet-bssap.c')
| -rw-r--r-- | epan/dissectors/packet-bssap.c | 3846 |
1 files changed, 1923 insertions, 1923 deletions
diff --git a/epan/dissectors/packet-bssap.c b/epan/dissectors/packet-bssap.c index 0e5971e185..9a24ec4ab9 100644 --- a/epan/dissectors/packet-bssap.c +++ b/epan/dissectors/packet-bssap.c @@ -1,8 +1,8 @@ /* packet-bssap.c * Routines for Base Station Subsystem Application Part (BSSAP/BSAP) dissection * Specifications from 3GPP2 (www.3gpp2.org) and 3GPP (www.3gpp.org) - * IOS 4.0.1 (BSAP) - * GSM 08.06 (BSSAP) + * IOS 4.0.1 (BSAP) + * GSM 08.06 (BSSAP) * * Copyright 2003, Michael Lum <mlum [AT] telostech.com> * In association with Telos Technology Inc. @@ -72,180 +72,180 @@ void proto_reg_handoff_bssap(void); /* Same as below but with names typed out */ static const value_string bssap_pdu_type_values[] = { - { BSSAP_PDU_TYPE_BSSMAP, "BSS Management" }, - { BSSAP_PDU_TYPE_DTAP, "Direct Transfer" }, - { 0, NULL } }; + { BSSAP_PDU_TYPE_BSSMAP, "BSS Management" }, + { BSSAP_PDU_TYPE_DTAP, "Direct Transfer" }, + { 0, NULL } }; static const value_string bsap_pdu_type_values[] = { - { BSSAP_PDU_TYPE_BSSMAP, "BS Management" }, - { BSSAP_PDU_TYPE_DTAP, "Direct Transfer" }, - { 0, NULL } }; + { BSSAP_PDU_TYPE_BSSMAP, "BS Management" }, + { BSSAP_PDU_TYPE_DTAP, "Direct Transfer" }, + { 0, NULL } }; /* Same as above but in acronym for (for the Info column) */ static const value_string bssap_pdu_type_acro_values[] = { - { BSSAP_PDU_TYPE_BSSMAP, "BSSMAP" }, - { BSSAP_PDU_TYPE_DTAP, "DTAP" }, - { 0, NULL } }; + { BSSAP_PDU_TYPE_BSSMAP, "BSSMAP" }, + { BSSAP_PDU_TYPE_DTAP, "DTAP" }, + { 0, NULL } }; /* Same as above but in acronym for (for the Info column) */ static const value_string bsap_pdu_type_acro_values[] = { - { BSSAP_PDU_TYPE_BSSMAP, "BSMAP" }, - { BSSAP_PDU_TYPE_DTAP, "DTAP" }, - { 0, NULL } }; + { BSSAP_PDU_TYPE_BSSMAP, "BSMAP" }, + { BSSAP_PDU_TYPE_DTAP, "DTAP" }, + { 0, NULL } }; -#define PARAMETER_DLCI 0x00 -#define PARAMETER_LENGTH 0x01 -#define PARAMETER_DATA 0x02 +#define PARAMETER_DLCI 0x00 +#define PARAMETER_LENGTH 0x01 +#define PARAMETER_DATA 0x02 -#define DLCI_LENGTH 1 -#define LENGTH_LENGTH 1 -#define DATA_LENGTH 1 +#define DLCI_LENGTH 1 +#define LENGTH_LENGTH 1 +#define DATA_LENGTH 1 -#define CC_MASK 0xc0 -#define SPARE_MASK 0x38 -#define SAPI_MASK 0x07 +#define CC_MASK 0xc0 +#define SPARE_MASK 0x38 +#define SAPI_MASK 0x07 static guint global_bssap_ssn = 98; static const value_string bssap_cc_values[] = { - { 0x00, "not further specified" }, - { 0x80, "FACCH or SDCCH" }, - { 0xc0, "SACCH" }, - { 0, NULL } }; + { 0x00, "not further specified" }, + { 0x80, "FACCH or SDCCH" }, + { 0xc0, "SACCH" }, + { 0, NULL } }; static const value_string bsap_cc_values[] = { - { 0x00, "default for TIA/EIA/IS-2000" }, - { 0, NULL } }; + { 0x00, "default for TIA/EIA/IS-2000" }, + { 0, NULL } }; static const value_string bssap_sapi_values[] = { - { 0x00, "RR/MM/CC" }, - { 0x03, "SMS" }, - { 0, NULL } }; + { 0x00, "RR/MM/CC" }, + { 0x03, "SMS" }, + { 0, NULL } }; static const value_string bsap_sapi_values[] = { - { 0x00, "Not used" }, - { 0, NULL } }; - -#define BSSAP_PAGING_REQUEST 1 -#define BSSAP_PAGING_REJECT 2 /* 17.1.18 */ -#define BSSAP_DOWNLINK_TUNNEL_REQUEST 7 /* 17.1.4 */ -#define BSSAP_UPLINK_TUNNEL_REQUEST 8 /* 17.1.23 */ -#define BSSAP_LOCATION_UPDATE_REQUEST 9 /* 17.1.11 */ -#define BSSAP_LOCATION_UPDATE_ACCEPT 10 /* 17.1.9 */ -#define BSSAP_LOCATION_UPDATE_REJECT 11 /* 17.1.10 */ -#define BSSAP_TMSI_REALLOCATION_COMPLETE 12 /* 17.1.22 */ -#define BSSAP_ALERT_REQUEST 13 /* 17.1.3 */ -#define BSSAP_ALERT_ACK 14 /* 17.1.1 */ -#define BSSAP_ALERT_REJECT 15 /* 17.1.2 */ -#define BSSAP_MS_ACTIVITY_INDICATION 16 /* 17.1.14 */ -#define BSSAP_GPRS_DETACH_INDICATION 17 /* 17.1.6 */ -#define BSSAP_GPRS_DETACH_ACK 18 /* 17.1.5 */ -#define BSSAP_IMSI_DETACH_INDICATION 19 /* 17.1.8 */ -#define BSSAP_IMSI_DETACH_ACK 20 /* 17.1.7 */ -#define BSSAP_RESET_INDICATION 21 /* 17.1.21 */ -#define BSSAP_RESET_ACK 22 /* 17.1.20 */ -#define BSSAP_MS_INFORMATION_REQUEST 23 /* 17.1.15 */ -#define BSSAP_MS_INFORMATION_RESPONSE 24 /* 17.1.16 */ -#define BSSAP_MM_INFORMATION_REQUEST 26 /* 17.1.12 */ -#define BSSAP_MOBILE_STATUS 29 /* 17.1.13 */ -#define BSSAP_MS_UNREACHABLE 31 /* 17.1.17 */ + { 0x00, "Not used" }, + { 0, NULL } }; + +#define BSSAP_PAGING_REQUEST 1 +#define BSSAP_PAGING_REJECT 2 /* 17.1.18 */ +#define BSSAP_DOWNLINK_TUNNEL_REQUEST 7 /* 17.1.4 */ +#define BSSAP_UPLINK_TUNNEL_REQUEST 8 /* 17.1.23 */ +#define BSSAP_LOCATION_UPDATE_REQUEST 9 /* 17.1.11 */ +#define BSSAP_LOCATION_UPDATE_ACCEPT 10 /* 17.1.9 */ +#define BSSAP_LOCATION_UPDATE_REJECT 11 /* 17.1.10 */ +#define BSSAP_TMSI_REALLOCATION_COMPLETE 12 /* 17.1.22 */ +#define BSSAP_ALERT_REQUEST 13 /* 17.1.3 */ +#define BSSAP_ALERT_ACK 14 /* 17.1.1 */ +#define BSSAP_ALERT_REJECT 15 /* 17.1.2 */ +#define BSSAP_MS_ACTIVITY_INDICATION 16 /* 17.1.14 */ +#define BSSAP_GPRS_DETACH_INDICATION 17 /* 17.1.6 */ +#define BSSAP_GPRS_DETACH_ACK 18 /* 17.1.5 */ +#define BSSAP_IMSI_DETACH_INDICATION 19 /* 17.1.8 */ +#define BSSAP_IMSI_DETACH_ACK 20 /* 17.1.7 */ +#define BSSAP_RESET_INDICATION 21 /* 17.1.21 */ +#define BSSAP_RESET_ACK 22 /* 17.1.20 */ +#define BSSAP_MS_INFORMATION_REQUEST 23 /* 17.1.15 */ +#define BSSAP_MS_INFORMATION_RESPONSE 24 /* 17.1.16 */ +#define BSSAP_MM_INFORMATION_REQUEST 26 /* 17.1.12 */ +#define BSSAP_MOBILE_STATUS 29 /* 17.1.13 */ +#define BSSAP_MS_UNREACHABLE 31 /* 17.1.17 */ static const value_string bssap_plus_message_type_values[] = { - { 0x00, "Unassigned: treated as an unknown Message type." }, - { BSSAP_PAGING_REQUEST, "BSSAP+-PAGING-REQUEST" }, /* 17.1.19 */ - { BSSAP_PAGING_REJECT, "BSSAP+-PAGING-REJECT" }, /* 17.1.18 */ - { 0x03, "Unassigned: treated as an unknown Message type." }, - { 0x04, "Unassigned: treated as an unknown Message type." }, - { 0x05, "Unassigned: treated as an unknown Message type." }, - { 0x06, "Unassigned: treated as an unknown Message type." }, - { BSSAP_DOWNLINK_TUNNEL_REQUEST, "BSSAP+-DOWNLINK-TUNNEL-REQUEST" }, /* 17.1.4 */ - { BSSAP_UPLINK_TUNNEL_REQUEST, "BSSAP+-UPLINK-TUNNEL-REQUEST" }, /* 17.1.23 */ - { BSSAP_LOCATION_UPDATE_REQUEST, "BSSAP+-LOCATION-UPDATE-REQUEST" }, /* 17.1.11 */ - { BSSAP_LOCATION_UPDATE_ACCEPT, "BSSAP+-LOCATION-UPDATE-ACCEPT" }, /* 17.1.9 */ - { BSSAP_LOCATION_UPDATE_REJECT, "BSSAP+-LOCATION-UPDATE-REJECT" }, /* 17.1.10 */ - { BSSAP_TMSI_REALLOCATION_COMPLETE, "BSSAP+-TMSI-REALLOCATION-COMPLETE" }, /* 17.1.22 */ - { BSSAP_ALERT_REQUEST, "BSSAP+-ALERT-REQUEST" }, /* 17.1.3 */ - { BSSAP_ALERT_ACK, "BSSAP+-ALERT-ACK" }, /* 17.1.1 */ - { BSSAP_ALERT_REJECT, "BSSAP+-ALERT-REJECT" }, /* 17.1.2 */ - { BSSAP_MS_ACTIVITY_INDICATION, "BSSAP+-MS-ACTIVITY-INDICATION" }, /* 17.1.14 */ - { BSSAP_GPRS_DETACH_INDICATION, "BSSAP+-GPRS-DETACH-INDICATION" }, /* 17.1.6 */ - { BSSAP_GPRS_DETACH_ACK, "BSSAP+-GPRS-DETACH-ACK" }, /* 17.1.5 */ - { BSSAP_IMSI_DETACH_INDICATION, "BSSAP+-IMSI-DETACH-INDICATION" }, /* 17.1.8 */ - { BSSAP_IMSI_DETACH_ACK, "BSSAP+-IMSI-DETACH-ACK" }, /* 17.1.7 */ - { BSSAP_RESET_INDICATION, "BSSAP+-RESET-INDICATION" }, /* 17.1.21 */ - { BSSAP_RESET_ACK, "BSSAP+-RESET-ACK" }, /* 17.1.20 */ - { BSSAP_MS_INFORMATION_REQUEST, "BSSAP+-MS-INFORMATION-REQUEST" }, /* 17.1.15 */ - { BSSAP_MS_INFORMATION_RESPONSE, "BSSAP+-MS-INFORMATION-RESPONSE" }, /* 17.1.16 */ - { 0x19, "Unassigned: treated as an unknown Message type." }, - { BSSAP_MM_INFORMATION_REQUEST, "BSSAP+-MM-INFORMATION-REQUEST" }, /* 17.1.12 */ - { BSSAP_MOBILE_STATUS, "BSSAP+-MOBILE-STATUS" }, /* 17.1.13 */ - { 0x1e, "Unassigned: treated as an unknown Message type." }, - { BSSAP_MS_UNREACHABLE, "BSSAP+-MS-UNREACHABLE" }, /* 17.1.17 */ - { 0, NULL } + { 0x00, "Unassigned: treated as an unknown Message type." }, + { BSSAP_PAGING_REQUEST, "BSSAP+-PAGING-REQUEST" }, /* 17.1.19 */ + { BSSAP_PAGING_REJECT, "BSSAP+-PAGING-REJECT" }, /* 17.1.18 */ + { 0x03, "Unassigned: treated as an unknown Message type." }, + { 0x04, "Unassigned: treated as an unknown Message type." }, + { 0x05, "Unassigned: treated as an unknown Message type." }, + { 0x06, "Unassigned: treated as an unknown Message type." }, + { BSSAP_DOWNLINK_TUNNEL_REQUEST, "BSSAP+-DOWNLINK-TUNNEL-REQUEST" }, /* 17.1.4 */ + { BSSAP_UPLINK_TUNNEL_REQUEST, "BSSAP+-UPLINK-TUNNEL-REQUEST" }, /* 17.1.23 */ + { BSSAP_LOCATION_UPDATE_REQUEST, "BSSAP+-LOCATION-UPDATE-REQUEST" }, /* 17.1.11 */ + { BSSAP_LOCATION_UPDATE_ACCEPT, "BSSAP+-LOCATION-UPDATE-ACCEPT" }, /* 17.1.9 */ + { BSSAP_LOCATION_UPDATE_REJECT, "BSSAP+-LOCATION-UPDATE-REJECT" }, /* 17.1.10 */ + { BSSAP_TMSI_REALLOCATION_COMPLETE, "BSSAP+-TMSI-REALLOCATION-COMPLETE" }, /* 17.1.22 */ + { BSSAP_ALERT_REQUEST, "BSSAP+-ALERT-REQUEST" }, /* 17.1.3 */ + { BSSAP_ALERT_ACK, "BSSAP+-ALERT-ACK" }, /* 17.1.1 */ + { BSSAP_ALERT_REJECT, "BSSAP+-ALERT-REJECT" }, /* 17.1.2 */ + { BSSAP_MS_ACTIVITY_INDICATION, "BSSAP+-MS-ACTIVITY-INDICATION" }, /* 17.1.14 */ + { BSSAP_GPRS_DETACH_INDICATION, "BSSAP+-GPRS-DETACH-INDICATION" }, /* 17.1.6 */ + { BSSAP_GPRS_DETACH_ACK, "BSSAP+-GPRS-DETACH-ACK" }, /* 17.1.5 */ + { BSSAP_IMSI_DETACH_INDICATION, "BSSAP+-IMSI-DETACH-INDICATION" }, /* 17.1.8 */ + { BSSAP_IMSI_DETACH_ACK, "BSSAP+-IMSI-DETACH-ACK" }, /* 17.1.7 */ + { BSSAP_RESET_INDICATION, "BSSAP+-RESET-INDICATION" }, /* 17.1.21 */ + { BSSAP_RESET_ACK, "BSSAP+-RESET-ACK" }, /* 17.1.20 */ + { BSSAP_MS_INFORMATION_REQUEST, "BSSAP+-MS-INFORMATION-REQUEST" }, /* 17.1.15 */ + { BSSAP_MS_INFORMATION_RESPONSE, "BSSAP+-MS-INFORMATION-RESPONSE" }, /* 17.1.16 */ + { 0x19, "Unassigned: treated as an unknown Message type." }, + { BSSAP_MM_INFORMATION_REQUEST, "BSSAP+-MM-INFORMATION-REQUEST" }, /* 17.1.12 */ + { BSSAP_MOBILE_STATUS, "BSSAP+-MOBILE-STATUS" }, /* 17.1.13 */ + { 0x1e, "Unassigned: treated as an unknown Message type." }, + { BSSAP_MS_UNREACHABLE, "BSSAP+-MS-UNREACHABLE" }, /* 17.1.17 */ + { 0, NULL } }; -#define BSSAP_IMSI 1 -#define BSSAP_VLR_NUMBER 2 -#define BSSAP_TMSI 3 -#define BSSAP_LOC_AREA_ID 4 -#define BSSAP_CHANNEL_NEEDED 5 -#define BSSAP_EMLPP_PRIORITY 6 -#define BSSAP_TMSI_STATUS 7 -#define BSSAP_GS_CAUSE 8 -#define BSSAP_SGSN_NUMBER 9 -#define BSSAP_GPRS_LOC_UPD_TYPE 0x0a -#define BSSAP_GLOBAL_CN_ID 0x0b -#define BSSAP_MOBILE_STN_CLS_MRK1 0x0d -#define BSSAP_MOBILE_ID 0x0e -#define BSSAP_REJECT_CAUSE 0x0f -#define BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE 0x10 -#define BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE 0x11 -#define BSSAP_INFO_REQ 0x12 -#define BSSAP_PTMSI 0x13 -#define BSSAP_IMEI 0x14 -#define BSSAP_IMEISV 0x15 -#define BSSAP_MM_INFORMATION 0x17 -#define BSSAP_CELL_GBL_ID 0x18 -#define BSSAP_LOC_INF_AGE 0x19 -#define BSSAP_MOBILE_STN_STATE 0x1a -#define BSSAP_SERVICE_AREA_ID 0x1e -#define BSSAP_ERRONEOUS_MSG 0x1b -#define BSSAP_DLINK_TNL_PLD_CTR_AND_INF 0x1c -#define BSSAP_ULINK_TNL_PLD_CTR_AND_INF 0x1d +#define BSSAP_IMSI 1 +#define BSSAP_VLR_NUMBER 2 +#define BSSAP_TMSI 3 +#define BSSAP_LOC_AREA_ID 4 +#define BSSAP_CHANNEL_NEEDED 5 +#define BSSAP_EMLPP_PRIORITY 6 +#define BSSAP_TMSI_STATUS 7 +#define BSSAP_GS_CAUSE 8 +#define BSSAP_SGSN_NUMBER 9 +#define BSSAP_GPRS_LOC_UPD_TYPE 0x0a +#define BSSAP_GLOBAL_CN_ID 0x0b +#define BSSAP_MOBILE_STN_CLS_MRK1 0x0d +#define BSSAP_MOBILE_ID 0x0e +#define BSSAP_REJECT_CAUSE 0x0f +#define BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE 0x10 +#define BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE 0x11 +#define BSSAP_INFO_REQ 0x12 +#define BSSAP_PTMSI 0x13 +#define BSSAP_IMEI 0x14 +#define BSSAP_IMEISV 0x15 +#define BSSAP_MM_INFORMATION 0x17 +#define BSSAP_CELL_GBL_ID 0x18 +#define BSSAP_LOC_INF_AGE 0x19 +#define BSSAP_MOBILE_STN_STATE 0x1a +#define BSSAP_SERVICE_AREA_ID 0x1e +#define BSSAP_ERRONEOUS_MSG 0x1b +#define BSSAP_DLINK_TNL_PLD_CTR_AND_INF 0x1c +#define BSSAP_ULINK_TNL_PLD_CTR_AND_INF 0x1d static const value_string bssap_plus_ie_id_values[] = { - { BSSAP_IMSI, "IMSI" }, /* 18.4.10 */ - { BSSAP_VLR_NUMBER, "VLR number" }, /* 18.4.26 */ - { BSSAP_TMSI, "TMSI" }, /* 18.4.23 */ - { BSSAP_LOC_AREA_ID, "Location area identifier" }, /* 18.4.14 */ - { BSSAP_CHANNEL_NEEDED, "Channel Needed" }, /* 18.4.2 */ - { BSSAP_EMLPP_PRIORITY, "eMLPP Priority" }, /* 18.4.4 */ - { BSSAP_TMSI_STATUS, "TMSI status" }, /* 18.4.24 */ - { BSSAP_GS_CAUSE, "Gs cause" }, /* 18.4.7 */ - { BSSAP_SGSN_NUMBER, "SGSN number" }, /* 18.4.22 */ - { BSSAP_GPRS_LOC_UPD_TYPE, "GPRS location update type" }, /* 18.4.6 */ - { BSSAP_GLOBAL_CN_ID, "Global CN-Id" }, /* 18.4.27 */ - { 0x0c, "Unassigned: treated as an unknown IEI." }, /* 18 and 16 */ - { BSSAP_MOBILE_STN_CLS_MRK1, "Mobile station classmark 1" }, /* 18.4.18 */ - { BSSAP_MOBILE_ID, "Mobile identity" }, /* 18.4.17 */ - { BSSAP_REJECT_CAUSE, "Reject cause" }, /* 18.4.21 */ - { BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE, "IMSI detach from GPRS service type" }, /* 18.4.11 */ - { BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE, "IMSI detach from non-GPRS service type" }, /* 18.4.12 */ - { BSSAP_INFO_REQ, "Information requested" }, /* 18.4.13 */ - { BSSAP_PTMSI, "PTMSI" }, /* 18.4.20 */ - { BSSAP_IMEI, "IMEI" }, /* 18.4.8 */ - { BSSAP_IMEISV, "IMEISV" }, /* 18.4.9 */ - { 0x16, "Unassigned: treated as an unknown IEI." }, /* 18 and 16 */ - { BSSAP_MM_INFORMATION, "MM information" }, /* 18.4.16 */ - { BSSAP_CELL_GBL_ID, "Cell Global Identity" }, /* 18.4.1 */ - { BSSAP_LOC_INF_AGE, "Location information age" }, /* 18.4.15 */ - { BSSAP_MOBILE_STN_STATE, "Mobile station state" }, /* 18.4.19 */ - { BSSAP_ERRONEOUS_MSG, "Erroneous message" }, /* 18.4.5 */ - { BSSAP_DLINK_TNL_PLD_CTR_AND_INF, "Downlink Tunnel Payload Control and Info" }, /* 18.4.3 */ - { BSSAP_ULINK_TNL_PLD_CTR_AND_INF, "Uplink Tunnel Payload Control and Info" }, /* 18.4.25 */ - { BSSAP_SERVICE_AREA_ID, "Service Area Identification" }, /* 18.4.21b */ + { BSSAP_IMSI, "IMSI" }, /* 18.4.10 */ + { BSSAP_VLR_NUMBER, "VLR number" }, /* 18.4.26 */ + { BSSAP_TMSI, "TMSI" }, /* 18.4.23 */ + { BSSAP_LOC_AREA_ID, "Location area identifier" }, /* 18.4.14 */ + { BSSAP_CHANNEL_NEEDED, "Channel Needed" }, /* 18.4.2 */ + { BSSAP_EMLPP_PRIORITY, "eMLPP Priority" }, /* 18.4.4 */ + { BSSAP_TMSI_STATUS, "TMSI status" }, /* 18.4.24 */ + { BSSAP_GS_CAUSE, "Gs cause" }, /* 18.4.7 */ + { BSSAP_SGSN_NUMBER, "SGSN number" }, /* 18.4.22 */ + { BSSAP_GPRS_LOC_UPD_TYPE, "GPRS location update type" }, /* 18.4.6 */ + { BSSAP_GLOBAL_CN_ID, "Global CN-Id" }, /* 18.4.27 */ + { 0x0c, "Unassigned: treated as an unknown IEI." }, /* 18 and 16 */ + { BSSAP_MOBILE_STN_CLS_MRK1, "Mobile station classmark 1" }, /* 18.4.18 */ + { BSSAP_MOBILE_ID, "Mobile identity" }, /* 18.4.17 */ + { BSSAP_REJECT_CAUSE, "Reject cause" }, /* 18.4.21 */ + { BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE, "IMSI detach from GPRS service type" }, /* 18.4.11 */ + { BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE, "IMSI detach from non-GPRS service type" }, /* 18.4.12 */ + { BSSAP_INFO_REQ, "Information requested" }, /* 18.4.13 */ + { BSSAP_PTMSI, "PTMSI" }, /* 18.4.20 */ + { BSSAP_IMEI, "IMEI" }, /* 18.4.8 */ + { BSSAP_IMEISV, "IMEISV" }, /* 18.4.9 */ + { 0x16, "Unassigned: treated as an unknown IEI." }, /* 18 and 16 */ + { BSSAP_MM_INFORMATION, "MM information" }, /* 18.4.16 */ + { BSSAP_CELL_GBL_ID, "Cell Global Identity" }, /* 18.4.1 */ + { BSSAP_LOC_INF_AGE, "Location information age" }, /* 18.4.15 */ + { BSSAP_MOBILE_STN_STATE, "Mobile station state" }, /* 18.4.19 */ + { BSSAP_ERRONEOUS_MSG, "Erroneous message" }, /* 18.4.5 */ + { BSSAP_DLINK_TNL_PLD_CTR_AND_INF, "Downlink Tunnel Payload Control and Info" }, /* 18.4.3 */ + { BSSAP_ULINK_TNL_PLD_CTR_AND_INF, "Uplink Tunnel Payload Control and Info" }, /* 18.4.25 */ + { BSSAP_SERVICE_AREA_ID, "Service Area Identification" }, /* 18.4.21b */ { 0, NULL } }; @@ -325,7 +325,7 @@ static int hf_bssap_cell_global_id = -1; /* Initialize the subtree pointers */ static gint ett_bssap = -1; static gint ett_bssap_dlci = -1; -static gint ett_bssap_imsi = -1; +static gint ett_bssap_imsi = -1; static gint ett_bssap_imsi_det_from_gprs_serv_type = -1; static gint ett_bssap_imsi_det_from_non_gprs_serv_type = -1; static gint ett_bssap_info_req = -1; @@ -368,39 +368,39 @@ static dissector_handle_t bsap_dissector_handle; /* * Keep track of pdu_type so we can call appropriate sub-dissector */ -static guint8 pdu_type = 0xFF; +static guint8 pdu_type = 0xFF; -static gint bssap_or_bsap_global = BSSAP_OR_BSAP_DEFAULT; +static gint bssap_or_bsap_global = BSSAP_OR_BSAP_DEFAULT; static gint gsm_or_lb_interface_global = GSM_OR_LB_INTERFACE_DEFAULT; static void dissect_bssap_unknown_message(tvbuff_t *message_tvb, proto_tree *bssap_tree) { - guint32 message_length; + guint32 message_length; - message_length = tvb_length(message_tvb); + message_length = tvb_length(message_tvb); - proto_tree_add_text(bssap_tree, message_tvb, 0, message_length, - "Unknown message (%u byte%s)", - message_length, plurality(message_length, "", "s")); + proto_tree_add_text(bssap_tree, message_tvb, 0, message_length, + "Unknown message (%u byte%s)", + message_length, plurality(message_length, "", "s")); } static void dissect_bssap_unknown_param(tvbuff_t *tvb, proto_tree *tree, guint8 type, guint16 length) { - proto_tree_add_text(tree, tvb, 0, length, - "Unknown parameter 0x%x (%u byte%s)", - type, length, plurality(length, "", "s")); + proto_tree_add_text(tree, tvb, 0, length, + "Unknown parameter 0x%x (%u byte%s)", + type, length, plurality(length, "", "s")); } static void dissect_bssap_data_param(tvbuff_t *tvb, packet_info *pinfo, - proto_tree *bssap_tree, proto_tree *tree) + proto_tree *bssap_tree, proto_tree *tree) { - if ((pdu_type <= 0x01)) - { - if (bssap_or_bsap_global == BSSAP) + if ((pdu_type <= 0x01)) + { + if (bssap_or_bsap_global == BSSAP) { /* BSSAP */ if((gsm_or_lb_interface_global == LB_INTERFACE) && (pdu_type == BSSAP_PDU_TYPE_BSSMAP)) @@ -434,48 +434,48 @@ dissect_bssap_data_param(tvbuff_t *tvb, packet_info *pinfo, if (dissector_try_port(bsap_dissector_table, pdu_type, tvb, pinfo, tree)) return; } - } + } - /* No sub-dissection occured, treat it as raw data */ - call_dissector(data_handle, tvb, pinfo, bssap_tree); + /* No sub-dissection occured, treat it as raw data */ + call_dissector(data_handle, tvb, pinfo, bssap_tree); } static void dissect_bssap_dlci_param(tvbuff_t *tvb, proto_tree *tree, guint16 length) { - proto_item *dlci_item = 0; - proto_tree *dlci_tree = 0; - guint8 oct; - - dlci_item = - proto_tree_add_text(tree, tvb, 0, length, - "Data Link Connection Identifier"); - - dlci_tree = proto_item_add_subtree(dlci_item, ett_bssap_dlci); - - oct = tvb_get_guint8(tvb, 0); - - if (bssap_or_bsap_global == BSSAP) - { - proto_tree_add_uint(dlci_tree, hf_bssap_dlci_cc, tvb, 0, length, oct); - proto_tree_add_uint(dlci_tree, hf_bssap_dlci_spare, tvb, 0, length, oct); - proto_tree_add_uint(dlci_tree, hf_bssap_dlci_sapi, tvb, 0, length, oct); - } - else - { - proto_tree_add_uint(dlci_tree, hf_bsap_dlci_cc, tvb, 0, length, oct); - proto_tree_add_uint(dlci_tree, hf_bsap_dlci_rsvd, tvb, 0, length, oct); - proto_tree_add_uint(dlci_tree, hf_bsap_dlci_sapi, tvb, 0, length, oct); - } + proto_item *dlci_item = 0; + proto_tree *dlci_tree = 0; + guint8 oct; + + dlci_item = + proto_tree_add_text(tree, tvb, 0, length, + "Data Link Connection Identifier"); + + dlci_tree = proto_item_add_subtree(dlci_item, ett_bssap_dlci); + + oct = tvb_get_guint8(tvb, 0); + + if (bssap_or_bsap_global == BSSAP) + { + proto_tree_add_uint(dlci_tree, hf_bssap_dlci_cc, tvb, 0, length, oct); + proto_tree_add_uint(dlci_tree, hf_bssap_dlci_spare, tvb, 0, length, oct); + proto_tree_add_uint(dlci_tree, hf_bssap_dlci_sapi, tvb, 0, length, oct); + } + else + { + proto_tree_add_uint(dlci_tree, hf_bsap_dlci_cc, tvb, 0, length, oct); + proto_tree_add_uint(dlci_tree, hf_bsap_dlci_rsvd, tvb, 0, length, oct); + proto_tree_add_uint(dlci_tree, hf_bsap_dlci_sapi, tvb, 0, length, oct); + } } static void dissect_bssap_length_param(tvbuff_t *tvb, proto_tree *tree, guint16 length) { - guint8 data_length; + guint8 data_length; - data_length = tvb_get_guint8(tvb, 0); - proto_tree_add_uint(tree, hf_bssap_length, tvb, 0, length, data_length); + data_length = tvb_get_guint8(tvb, 0); + proto_tree_add_uint(tree, hf_bssap_length, tvb, 0, length, data_length); } /* @@ -483,145 +483,145 @@ dissect_bssap_length_param(tvbuff_t *tvb, proto_tree *tree, guint16 length) */ static guint16 dissect_bssap_parameter(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bssap_tree, - proto_tree *tree, guint8 parameter_type, gint offset, - guint16 parameter_length) + proto_tree *tree, guint8 parameter_type, gint offset, + guint16 parameter_length) { - tvbuff_t *parameter_tvb; - - parameter_tvb = tvb_new_subset(tvb, offset, parameter_length, parameter_length); - - switch (parameter_type) - { - case PARAMETER_DLCI: - dissect_bssap_dlci_param(parameter_tvb, bssap_tree, parameter_length); - break; - - case PARAMETER_LENGTH: - dissect_bssap_length_param(parameter_tvb, bssap_tree, parameter_length); - break; + tvbuff_t *parameter_tvb; - case PARAMETER_DATA: - dissect_bssap_data_param(parameter_tvb, pinfo, bssap_tree, tree); - break; + parameter_tvb = tvb_new_subset(tvb, offset, parameter_length, parameter_length); - default: - dissect_bssap_unknown_param(parameter_tvb, bssap_tree, parameter_type, - parameter_length); - break; - } + switch (parameter_type) + { + case PARAMETER_DLCI: + dissect_bssap_dlci_param(parameter_tvb, bssap_tree, parameter_length); + break; + + case PARAMETER_LENGTH: + dissect_bssap_length_param(parameter_tvb, bssap_tree, parameter_length); + break; + + case PARAMETER_DATA: + dissect_bssap_data_param(parameter_tvb, pinfo, bssap_tree, tree); + break; + + default: + dissect_bssap_unknown_param(parameter_tvb, bssap_tree, parameter_type, + parameter_length); + break; + } - return(parameter_length); + return(parameter_length); } static guint16 dissect_bssap_var_parameter(tvbuff_t *tvb, packet_info *pinfo, - proto_tree *bssap_tree, proto_tree *tree, - guint8 parameter_type, gint offset) + proto_tree *bssap_tree, proto_tree *tree, + guint8 parameter_type, gint offset) { - guint16 parameter_length; - guint8 length_length; + guint16 parameter_length; + guint8 length_length; - parameter_length = tvb_get_guint8(tvb, offset); - length_length = LENGTH_LENGTH; + parameter_length = tvb_get_guint8(tvb, offset); + length_length = LENGTH_LENGTH; - offset += length_length; + offset += length_length; - dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, parameter_type, - offset, parameter_length); + dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, parameter_type, + offset, parameter_length); - return(parameter_length + length_length); + return(parameter_length + length_length); } static void dissect_bssap_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bssap_tree, - proto_tree *tree) + proto_tree *tree) { - gint offset = 0; - - /* - * Extract the PDU type - */ - pdu_type = tvb_get_guint8(tvb, PDU_TYPE_OFFSET); - offset = PDU_TYPE_LENGTH; - - if (bssap_tree) - { - /* - * add the message type to the protocol tree - */ - proto_tree_add_uint(bssap_tree, - (bssap_or_bsap_global == BSSAP) ? hf_bssap_pdu_type : hf_bsap_pdu_type, - tvb, PDU_TYPE_OFFSET, PDU_TYPE_LENGTH, pdu_type); - } - - /* Starting a new message dissection */ - - switch (pdu_type) - { - case BSSAP_PDU_TYPE_BSSMAP: - offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, - PARAMETER_LENGTH, offset, - LENGTH_LENGTH); - offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree, - PARAMETER_DATA, - (offset - LENGTH_LENGTH)); - break; - - case BSSAP_PDU_TYPE_DTAP: - offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, - PARAMETER_DLCI, - offset, DLCI_LENGTH); - offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, - PARAMETER_LENGTH, offset, - LENGTH_LENGTH); - offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree, - PARAMETER_DATA, - (offset - LENGTH_LENGTH)); - break; - - default: - if (check_col(pinfo->cinfo, COL_INFO)) - { - col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", - val_to_str(pdu_type, ((bssap_or_bsap_global == BSSAP) ? - bssap_pdu_type_acro_values : bsap_pdu_type_acro_values), - "Unknown")); - - } - - dissect_bssap_unknown_message(tvb, bssap_tree); - break; - } + gint offset = 0; + + /* + * Extract the PDU type + */ + pdu_type = tvb_get_guint8(tvb, PDU_TYPE_OFFSET); + offset = PDU_TYPE_LENGTH; + + if (bssap_tree) + { + /* + * add the message type to the protocol tree + */ + proto_tree_add_uint(bssap_tree, + (bssap_or_bsap_global == BSSAP) ? hf_bssap_pdu_type : hf_bsap_pdu_type, + tvb, PDU_TYPE_OFFSET, PDU_TYPE_LENGTH, pdu_type); + } + + /* Starting a new message dissection */ + + switch (pdu_type) + { + case BSSAP_PDU_TYPE_BSSMAP: + offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, + PARAMETER_LENGTH, offset, + LENGTH_LENGTH); + offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree, + PARAMETER_DATA, + (offset - LENGTH_LENGTH)); + break; + + case BSSAP_PDU_TYPE_DTAP: + offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, + PARAMETER_DLCI, + offset, DLCI_LENGTH); + offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, + PARAMETER_LENGTH, offset, + LENGTH_LENGTH); + offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree, + PARAMETER_DATA, + (offset - LENGTH_LENGTH)); + break; + + default: + if (check_col(pinfo->cinfo, COL_INFO)) + { + col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", + val_to_str(pdu_type, ((bssap_or_bsap_global == BSSAP) ? + bssap_pdu_type_acro_values : bsap_pdu_type_acro_values), + "Unknown")); + + } + + dissect_bssap_unknown_message(tvb, bssap_tree); + break; + } } static void dissect_bssap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { - proto_item *bssap_item, *hidden_item; - proto_tree *bssap_tree = NULL; - - /* - * Make entry in the Protocol column on summary display - */ - if (check_col(pinfo->cinfo, COL_PROTOCOL)) - { - col_set_str(pinfo->cinfo, COL_PROTOCOL, ((bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP")); - } - - if ( pinfo->sccp_info && pinfo->sccp_info->data.co.assoc ) - pinfo->sccp_info->data.co.assoc->payload = SCCP_PLOAD_BSSAP; - - /* - * create the bssap protocol tree - */ - hidden_item = proto_tree_add_item(tree, proto_bssap, tvb, 0, -1, FALSE); - PROTO_ITEM_SET_HIDDEN(hidden_item); - bssap_item = proto_tree_add_text(tree, tvb, 0, -1, (bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP"); - bssap_tree = proto_item_add_subtree(bssap_item, ett_bssap); - - /* dissect the message */ - - dissect_bssap_message(tvb, pinfo, bssap_tree, tree); + proto_item *bssap_item, *hidden_item; + proto_tree *bssap_tree = NULL; + + /* + * Make entry in the Protocol column on summary display + */ + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + { + col_set_str(pinfo->cinfo, COL_PROTOCOL, ((bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP")); + } + + if ( pinfo->sccp_info && pinfo->sccp_info->data.co.assoc ) + pinfo->sccp_info->data.co.assoc->payload = SCCP_PLOAD_BSSAP; + + /* + * create the bssap protocol tree + */ + hidden_item = proto_tree_add_item(tree, proto_bssap, tvb, 0, -1, FALSE); + PROTO_ITEM_SET_HIDDEN(hidden_item); + bssap_item = proto_tree_add_text(tree, tvb, 0, -1, (bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP"); + bssap_tree = proto_item_add_subtree(bssap_item, ett_bssap); + + /* dissect the message */ + + dissect_bssap_message(tvb, pinfo, bssap_tree, tree); } @@ -649,70 +649,70 @@ static dgt_set_t Dgt1_9_bcd = { static const char* unpack_digits(tvbuff_t *tvb, int offset,dgt_set_t *dgt,gboolean skip_first){ - int length; - guint8 octet; - int i=0; - char *digit_str; + int length; + guint8 octet; + int i=0; + char *digit_str; - length = tvb_length(tvb); - if (length < offset) - return ""; - digit_str = ep_alloc((length - offset)*2+1); + length = tvb_length(tvb); + if (length < offset) + return ""; + digit_str = ep_alloc((length - offset)*2+1); - while ( offset < length ){ + while ( offset < length ){ - octet = tvb_get_guint8(tvb,offset); - if (!skip_first){ - digit_str[i] = dgt->out[octet & 0x0f]; - i++; - } - skip_first = FALSE; + octet = tvb_get_guint8(tvb,offset); + if (!skip_first){ + digit_str[i] = dgt->out[octet & 0x0f]; + i++; + } + skip_first = FALSE; - /* - * unpack second value in byte - */ - octet = octet >> 4; + /* + * unpack second value in byte + */ + octet = octet >> 4; - if (octet == 0x0f) /* odd number bytes - hit filler */ - break; + if (octet == 0x0f) /* odd number bytes - hit filler */ + break; - digit_str[i] = dgt->out[octet & 0x0f]; - i++; - offset++; + digit_str[i] = dgt->out[octet & 0x0f]; + i++; + offset++; - } - digit_str[i]= '\0'; - return digit_str; + } + digit_str[i]= '\0'; + return digit_str; } static gboolean check_ie(tvbuff_t *tvb, proto_tree *tree, int *offset, guint8 expected_ie){ - guint8 ie_type; - guint8 ie_len; - - ie_type = tvb_get_guint8(tvb,*offset); - if (ie_type != expected_ie){ - proto_tree_add_text(tree, tvb, *offset, 1, "Mandatory IE %s expected but IE %s Found", - val_to_str(expected_ie,bssap_plus_ie_id_values,"Unknown %u"), val_to_str(ie_type,bssap_plus_ie_id_values,"Unknown %u")); - (*offset)++; - ie_len = tvb_get_guint8(tvb,*offset); - *offset = *offset + ie_len; - return FALSE; - } + guint8 ie_type; + guint8 ie_len; + + ie_type = tvb_get_guint8(tvb,*offset); + if (ie_type != expected_ie){ + proto_tree_add_text(tree, tvb, *offset, 1, "Mandatory IE %s expected but IE %s Found", + val_to_str(expected_ie,bssap_plus_ie_id_values,"Unknown %u"), val_to_str(ie_type,bssap_plus_ie_id_values,"Unknown %u")); + (*offset)++; + ie_len = tvb_get_guint8(tvb,*offset); + *offset = *offset + ie_len; + return FALSE; + } - return TRUE; + return TRUE; } static gboolean check_optional_ie(tvbuff_t *tvb, int offset, guint8 expected_ie){ - guint8 ie_type; + guint8 ie_type; - ie_type = tvb_get_guint8(tvb,offset); - if (ie_type != expected_ie){ - return FALSE; - } - return TRUE; + ie_type = tvb_get_guint8(tvb,offset); + if (ie_type != expected_ie){ + return FALSE; + } + return TRUE; } @@ -720,118 +720,118 @@ check_optional_ie(tvbuff_t *tvb, int offset, guint8 expected_ie){ static int dissect_bssap_cell_global_id(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - proto_item *cgi_item = NULL; - proto_tree *cgi_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_cell_global_id_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_cell_global_id); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* - * The rest of the information element is coded as the the value part - * of the cell global id IE defined in 3GPP TS 48.018 (not including - * 3GPP TS 48.018 IEI and 3GPP TS 48.018 length indicator). - */ - cgi_item= proto_tree_add_item(ie_tree, hf_bssap_cell_global_id, tvb, offset, ie_len, FALSE); - cgi_tree = proto_item_add_subtree(cgi_item, ett_bssap_cgi); - /* octets 3-8 Octets 3 to 8 contain the value part (starting with octet 2) of the - * Routing Area Identification IE defined in 3GPP TS 24.008, not - * including 3GPP TS 24.008 IEI - */ - de_gmm_rai(tvb, cgi_tree, offset, ie_len, NULL, 0); - /* Octets 9 and 10 contain the value part (starting with octet 2) of the - * Cell Identity IE defined in 3GPP TS 24.008, not including - * 3GPP TS 24.008 IEI - */ - offset = offset + 6; - de_cell_id(tvb, cgi_tree, offset, ie_len, NULL, 0); - offset = offset + 2; - - return offset; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + proto_item *cgi_item = NULL; + proto_tree *cgi_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_cell_global_id_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_cell_global_id); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* + * The rest of the information element is coded as the the value part + * of the cell global id IE defined in 3GPP TS 48.018 (not including + * 3GPP TS 48.018 IEI and 3GPP TS 48.018 length indicator). + */ + cgi_item= proto_tree_add_item(ie_tree, hf_bssap_cell_global_id, tvb, offset, ie_len, FALSE); + cgi_tree = proto_item_add_subtree(cgi_item, ett_bssap_cgi); + /* octets 3-8 Octets 3 to 8 contain the value part (starting with octet 2) of the + * Routing Area Identification IE defined in 3GPP TS 24.008, not + * including 3GPP TS 24.008 IEI + */ + de_gmm_rai(tvb, cgi_tree, offset, ie_len, NULL, 0); + /* Octets 9 and 10 contain the value part (starting with octet 2) of the + * Cell Identity IE defined in 3GPP TS 24.008, not including + * 3GPP TS 24.008 IEI + */ + offset = offset + 6; + de_cell_id(tvb, cgi_tree, offset, ie_len, NULL, 0); + offset = offset + 2; + + return offset; } /* 18.4.2 Channel needed */ static int dissect_bssap_channel_needed(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_channel_needed_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_channel_needed); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* - * The rest of the information element is coded as the IEI part and the - * value part of the Channel Needed IE defined in 3GPP TS 44.018. - * 10.5.2.8 Channel Needed - */ - de_rr_chnl_needed(tvb, ie_tree, offset, ie_len, NULL, 0); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_channel_needed_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_channel_needed); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* + * The rest of the information element is coded as the IEI part and the + * value part of the Channel Needed IE defined in 3GPP TS 44.018. + * 10.5.2.8 Channel Needed + */ + de_rr_chnl_needed(tvb, ie_tree, offset, ie_len, NULL, 0); + + return offset + ie_len; } /* 18.4.3 Downlink Tunnel Payload Control and Info */ static int dissect_bssap_dlink_tunnel_payload_control_and_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - tvbuff_t *next_tvb; - guint8 ie_len; - guint8 octet; - guint8 prot_disc; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_dlink_tnl_pld_cntrl_amd_inf_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_dlink_tnl_pld_cntrl_amd_inf); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* Bit 8 Spare */ - /* Bit 7 - 4 - * TOM Protocol Discriminator: Identifies the protocol using tunnelling of non-GSM signalling. - * For coding, see 3GPP TS 44.064. - */ - - proto_tree_add_item(ie_tree, hf_bssap_tom_prot_disc, tvb, offset, 1, FALSE); - octet = tvb_get_guint8(tvb,offset); - prot_disc = (octet&0x78)>>3; - - /* octet 3 bit 3 E: Cipher Request. When set to 1 indicates that the SGSN received the payload in ciphered form, - * when set to 0 indicates that the SGSN did not receive the payload in ciphered form. - */ - proto_tree_add_item(ie_tree, hf_bssap_e_bit, tvb, offset, 1, FALSE); - - /* octet 3 bit 2 - 1 - * Tunnel Priority: Indicates the priority of the Tunnel Payload. For coding, see Table 20.1: Association - * between Tunnel Priority and LLC SAPs. - */ - proto_tree_add_item(ie_tree, hf_bssap_tunnel_prio, tvb, offset, 1, FALSE); - /* Tunnel payload */ - next_tvb = tvb_new_subset(tvb, offset, ie_len-4, ie_len-4); - - if ((prot_disc == 2)&&(rrlp_handle)) - call_dissector(rrlp_handle, next_tvb, pinfo, ie_tree); - else - call_dissector(data_handle, next_tvb, pinfo, ie_tree); - - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + tvbuff_t *next_tvb; + guint8 ie_len; + guint8 octet; + guint8 prot_disc; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_dlink_tnl_pld_cntrl_amd_inf_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_dlink_tnl_pld_cntrl_amd_inf); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* Bit 8 Spare */ + /* Bit 7 - 4 + * TOM Protocol Discriminator: Identifies the protocol using tunnelling of non-GSM signalling. + * For coding, see 3GPP TS 44.064. + */ + + proto_tree_add_item(ie_tree, hf_bssap_tom_prot_disc, tvb, offset, 1, FALSE); + octet = tvb_get_guint8(tvb,offset); + prot_disc = (octet&0x78)>>3; + + /* octet 3 bit 3 E: Cipher Request. When set to 1 indicates that the SGSN received the payload in ciphered form, + * when set to 0 indicates that the SGSN did not receive the payload in ciphered form. + */ + proto_tree_add_item(ie_tree, hf_bssap_e_bit, tvb, offset, 1, FALSE); + + /* octet 3 bit 2 - 1 + * Tunnel Priority: Indicates the priority of the Tunnel Payload. For coding, see Table 20.1: Association + * between Tunnel Priority and LLC SAPs. + */ + proto_tree_add_item(ie_tree, hf_bssap_tunnel_prio, tvb, offset, 1, FALSE); + /* Tunnel payload */ + next_tvb = tvb_new_subset(tvb, offset, ie_len-4, ie_len-4); + + if ((prot_disc == 2)&&(rrlp_handle)) + call_dissector(rrlp_handle, next_tvb, pinfo, ie_tree); + else + call_dissector(data_handle, next_tvb, pinfo, ie_tree); + + + return offset + ie_len; } @@ -840,65 +840,65 @@ dissect_bssap_dlink_tunnel_payload_control_and_info(tvbuff_t *tvb, packet_info * static const value_string bssap_call_priority_values[] = { { 0x00, "No priority applied" }, { 0x01, "Call priority level 4" }, - { 0x02, "Call priority level 3" }, - { 0x03, "Call priority level 2" }, - { 0x04, "Call priority level 1" }, - { 0x05, "Call priority level 0" }, - { 0x06, "Call priority level B" }, - { 0x07, "Call priority level A" }, + { 0x02, "Call priority level 3" }, + { 0x03, "Call priority level 2" }, + { 0x04, "Call priority level 1" }, + { 0x05, "Call priority level 0" }, + { 0x06, "Call priority level B" }, + { 0x07, "Call priority level A" }, { 0, NULL } }; static int dissect_bssap_emlpp_priority(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_emlpp_prio_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_emlpp_prio); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the value part of - the eMLPP-Priority IE defined in 3GPP TS 48.008 (not including - 3GPP TS 48.008 IEI and 3GPP TS 48.008 length indicator). - 3.2.2.56 eMLPP Priority - The call priority field (bit 3 to 1 of octet 2) is coded in the same way - as the call priority field (bit 3 to 1 of octet 5) in the Descriptive group - or broadcast call reference information element as defined in 3GPP TS 24.008. - */ - proto_tree_add_item(ie_tree, hf_bssap_call_priority, tvb, offset, ie_len, FALSE); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_emlpp_prio_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_emlpp_prio); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the value part of + the eMLPP-Priority IE defined in 3GPP TS 48.008 (not including + 3GPP TS 48.008 IEI and 3GPP TS 48.008 length indicator). + 3.2.2.56 eMLPP Priority + The call priority field (bit 3 to 1 of octet 2) is coded in the same way + as the call priority field (bit 3 to 1 of octet 5) in the Descriptive group + or broadcast call reference information element as defined in 3GPP TS 24.008. + */ + proto_tree_add_item(ie_tree, hf_bssap_call_priority, tvb, offset, ie_len, FALSE); + + return offset + ie_len; } /* 18.4.5 Erroneous message */ - /* Erroneous message including the message type. */ + /* Erroneous message including the message type. */ static int dissect_bssap_gprs_erroneous_msg(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_gprs_erroneous_msg_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_erroneous_msg); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_gprs_erroneous_msg_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_erroneous_msg); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; - /* Erroneous message including the message type. */ - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); + /* Erroneous message including the message type. */ + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } @@ -906,131 +906,131 @@ dissect_bssap_gprs_erroneous_msg(tvbuff_t *tvb, proto_tree *tree, int offset) static const value_string bssap_plus_GPRS_loc_upd_type_values[] = { { 0x00, "Shall not be sent in this version of the protocol. If received, shall be treated as '00000010'." }, { 0x01, "IMSI attach" }, - { 0x02, "Normal location update" }, + { 0x02, "Normal location update" }, { 0, NULL } }; /* 18.4.6 GPRS location update type */ static int dissect_bssap_gprs_location_update_type(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_gprs_loc_upd_type_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_gprs_loc_upd); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - - /* GPRS location update type value (octet 3) */ - proto_tree_add_item(ie_tree, hf_bssap_gprs_loc_upd_type, tvb, offset, ie_len, FALSE); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_gprs_loc_upd_type_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_gprs_loc_upd); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + + /* GPRS location update type value (octet 3) */ + proto_tree_add_item(ie_tree, hf_bssap_gprs_loc_upd_type, tvb, offset, ie_len, FALSE); + + return offset + ie_len; } /* Gs Cause value (octet 3) */ static const value_string bssap_Gs_cause_values[] = { - { 0x00, "Normal, unspecified in this version of the protocol." }, - { 0x01, "IMSI detached for GPRS services" }, - { 0x02, "IMSI detached for GPRS and non-GPRS services" }, - { 0x03, "IMSI unknown" }, - { 0x04, "IMSI detached for non-GPRS services" }, - { 0x05, "IMSI implicitly detached for non-GPRS services" }, - { 0x06, "MS unreachable" }, - { 0x07, "Message not compatible with the protocol state" }, - { 0x08, "Missing mandatory information element" }, - { 0x09, "Invalid mandatory information" }, - { 0x0a, "Conditional IE error" }, - { 0x0b, "Semantically incorrect message" }, - { 0x0c, "Message unknown" }, - { 0x0d, "Address error" }, - { 0x0e, "TOM functionality not supported" }, - { 0x0f, "Ciphering request cannot be accommodated" }, - { 0, NULL } + { 0x00, "Normal, unspecified in this version of the protocol." }, + { 0x01, "IMSI detached for GPRS services" }, + { 0x02, "IMSI detached for GPRS and non-GPRS services" }, + { 0x03, "IMSI unknown" }, + { 0x04, "IMSI detached for non-GPRS services" }, + { 0x05, "IMSI implicitly detached for non-GPRS services" }, + { 0x06, "MS unreachable" }, + { 0x07, "Message not compatible with the protocol state" }, + { 0x08, "Missing mandatory information element" }, + { 0x09, "Invalid mandatory information" }, + { 0x0a, "Conditional IE error" }, + { 0x0b, "Semantically incorrect message" }, + { 0x0c, "Message unknown" }, + { 0x0d, "Address error" }, + { 0x0e, "TOM functionality not supported" }, + { 0x0f, "Ciphering request cannot be accommodated" }, + { 0, NULL } }; /* 18.4.7 Gs cause */ static int dissect_bssap_Gs_cause(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_Gs_cause_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bassp_Gs_cause); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_Gs_cause_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bassp_Gs_cause); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* Gs Cause value (octet 3) */ - proto_tree_add_item(ie_tree, hf_bssap_Gs_cause, tvb, offset, ie_len, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* Gs Cause value (octet 3) */ + proto_tree_add_item(ie_tree, hf_bssap_Gs_cause, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } /* 18.4.8 IMEI */ static int dissect_bssap_imei(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - tvbuff_t *ie_tvb; - const char *digit_str; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_imei_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bassp_imei); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The IMEI is coded as a sequence of BCD digits, compressed two into each octet. - * The IMEI consists of 15 digits (see 3GPP TS 23.003). - */ - ie_tvb = tvb_new_subset(tvb, offset, ie_len, ie_len); - digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, FALSE); - proto_tree_add_string(ie_tree, hf_bssap_imei, ie_tvb, 0, -1, digit_str); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + tvbuff_t *ie_tvb; + const char *digit_str; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_imei_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bassp_imei); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The IMEI is coded as a sequence of BCD digits, compressed two into each octet. + * The IMEI consists of 15 digits (see 3GPP TS 23.003). + */ + ie_tvb = tvb_new_subset(tvb, offset, ie_len, ie_len); + digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, FALSE); + proto_tree_add_string(ie_tree, hf_bssap_imei, ie_tvb, 0, -1, digit_str); + + return offset + ie_len; } /* 18.4.9 IMEISV */ static int dissect_bssap_imesiv(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - tvbuff_t *ie_tvb; - const char *digit_str; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_imesiv_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bassp_imesiv); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The IMEISV is coded as a sequence of BCD digits, compressed two into each octet. - * The IMEISV consists of 16 digits (see 3GPP TS 23.003). - */ - ie_tvb = tvb_new_subset(tvb, offset, ie_len, ie_len); - digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, FALSE); - proto_tree_add_string(ie_tree, hf_bssap_imeisv, ie_tvb, 0, -1, digit_str); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + tvbuff_t *ie_tvb; + const char *digit_str; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_imesiv_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bassp_imesiv); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The IMEISV is coded as a sequence of BCD digits, compressed two into each octet. + * The IMEISV consists of 16 digits (see 3GPP TS 23.003). + */ + ie_tvb = tvb_new_subset(tvb, offset, ie_len, ie_len); + digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, FALSE); + proto_tree_add_string(ie_tree, hf_bssap_imeisv, ie_tvb, 0, -1, digit_str); + + return offset + ie_len; } /* 18.4.10 IMSI @@ -1043,32 +1043,32 @@ dissect_bssap_imesiv(tvbuff_t *tvb, proto_tree *tree, int offset) static int dissect_bssap_imsi(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - tvbuff_t *ie_tvb; - const char *digit_str; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_imsi_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_imsi); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - ie_tvb = tvb_new_subset(tvb, offset, ie_len,ie_len); - digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, TRUE); - proto_tree_add_string(ie_tree, hf_bssap_imsi, ie_tvb, 0, -1, digit_str); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + tvbuff_t *ie_tvb; + const char *digit_str; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_imsi_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_imsi); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + ie_tvb = tvb_new_subset(tvb, offset, ie_len,ie_len); + digit_str = unpack_digits(ie_tvb, 0, &Dgt1_9_bcd, TRUE); + proto_tree_add_string(ie_tree, hf_bssap_imsi, ie_tvb, 0, -1, digit_str); + + return offset + ie_len; } static const value_string bssap_imsi_det_from_gprs_serv_type_values[] _U_ = { - { 0x00, "Interpreted as reserved in this version of the protocol" }, - { 0x01, "Network initiated IMSI detach from GPRS service" }, - { 0x02, "MS initiated IMSI detach from GPRS service" }, - { 0x03, "GPRS services not allowed" }, + { 0x00, "Interpreted as reserved in this version of the protocol" }, + { 0x01, "Network initiated IMSI detach from GPRS service" }, + { 0x02, "MS initiated IMSI detach from GPRS service" }, + { 0x03, "GPRS services not allowed" }, { 0, NULL } }; @@ -1076,302 +1076,302 @@ static const value_string bssap_imsi_det_from_gprs_serv_type_values[] _U_ = { static int dissect_bssap_imsi_det_from_gprs_serv_type(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_imsi_det_from_gprs_serv_type_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_imsi_det_from_gprs_serv_type); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_imsi_det_from_gprs_serv_type_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_imsi_det_from_gprs_serv_type); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* IMSI detach from GPRS service type value (octet 3)*/ - proto_tree_add_item(ie_tree, hf_bssap_imsi_det_from_gprs_serv_type, tvb, offset, ie_len, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* IMSI detach from GPRS service type value (octet 3)*/ + proto_tree_add_item(ie_tree, hf_bssap_imsi_det_from_gprs_serv_type, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } /* 18.4.12 IMSI detach from non-GPRS service type */ static int dissect_bssap_imsi_det_from_non_gprs_serv_type(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_imsi_det_from_non_gprs_serv_type_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_imsi_det_from_non_gprs_serv_type); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_imsi_det_from_non_gprs_serv_type_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_imsi_det_from_non_gprs_serv_type); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } static const value_string bssap_info_req_values[] = { - { 0x00, "Interpreted as Not supported in this version of the protocol." }, - { 0x01, "PTMSI" }, - { 0x02, "IMEI" }, - { 0x03, "IMEISV" }, - { 0x04, "PTMSI and IMEI" }, - { 0x05, "PTMSI and IMEISV" }, - { 0x06, "IMEI and IMEISV" }, - { 0x07, "PTMSI, IMEI, and IMEISV" }, - { 0x08, "Mobile location information" }, - { 0x09, "TMSI" }, + { 0x00, "Interpreted as Not supported in this version of the protocol." }, + { 0x01, "PTMSI" }, + { 0x02, "IMEI" }, + { 0x03, "IMEISV" }, + { 0x04, "PTMSI and IMEI" }, + { 0x05, "PTMSI and IMEISV" }, + { 0x06, "IMEI and IMEISV" }, + { 0x07, "PTMSI, IMEI, and IMEISV" }, + { 0x08, "Mobile location information" }, + { 0x09, "TMSI" }, { 0, NULL } }; /* 18.4.13 Information requested */ static int dissect_bssap_info_req(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_info_req_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_info_req); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_info_req_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_info_req); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /*Information requested value (octet 3) */ - proto_tree_add_item(ie_tree, hf_bssap_info_req, tvb, offset, ie_len, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /*Information requested value (octet 3) */ + proto_tree_add_item(ie_tree, hf_bssap_info_req, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } /* 18.4.14 Location area identifier */ static int dissect_bssap_loc_area_id(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_loc_area_id_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_loc_area_id); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the value part of - * the location area identifier IE defined in 3GPP TS 48.018 (not - * including 3GPP TS 48.018 IEI and 3GPP TS 48.018 length - * indicator). - */ - de_lai(tvb, ie_tree, offset, ie_len, NULL, 0); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_loc_area_id_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_loc_area_id); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the value part of + * the location area identifier IE defined in 3GPP TS 48.018 (not + * including 3GPP TS 48.018 IEI and 3GPP TS 48.018 length + * indicator). + */ + de_lai(tvb, ie_tree, offset, ie_len, NULL, 0); + + return offset + ie_len; } /* 18.4.15 Location information age */ static int dissect_bssap_location_information_age(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_loc_inf_age_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_loc_inf_age); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the IE is coded as the value part of the - * AgeOfLocationInformation as specified in 3GPP TS 29.002.: - * AgeOfLocationInformation ::= INTEGER (0..32767) - * -- the value represents the elapsed time in minutes since the last - * -- network contact of the mobile station (i.e. the actuality of the - * -- location information). - * -- value '0' indicates that the MS is currently in contact with the - * -- network - * -- value '32767' indicates that the location information is at least - * -- 32767 minutes old - */ - proto_tree_add_item(ie_tree, hf_bssap_loc_inf_age, tvb, offset, ie_len, FALSE); - - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_loc_inf_age_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_loc_inf_age); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the IE is coded as the value part of the + * AgeOfLocationInformation as specified in 3GPP TS 29.002.: + * AgeOfLocationInformation ::= INTEGER (0..32767) + * -- the value represents the elapsed time in minutes since the last + * -- network contact of the mobile station (i.e. the actuality of the + * -- location information). + * -- value '0' indicates that the MS is currently in contact with the + * -- network + * -- value '32767' indicates that the location information is at least + * -- 32767 minutes old + */ + proto_tree_add_item(ie_tree, hf_bssap_loc_inf_age, tvb, offset, ie_len, FALSE); + + + return offset + ie_len; } /* 18.4.16 MM information */ static int dissect_bssap_MM_information(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_mm_information_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_mm_information); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* User information: This field is composed of one or more of the - * information elements of the MM information message as defined - * 3GPP TS 24.008, excluding the Protocol discriminator, Skip - * indicator and Message type. This field includes the IEI and length - * indicatior of the other information elements. - */ - dtap_mm_mm_info(tvb, ie_tree, offset, ie_len); - - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_mm_information_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_mm_information); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* User information: This field is composed of one or more of the + * information elements of the MM information message as defined + * 3GPP TS 24.008, excluding the Protocol discriminator, Skip + * indicator and Message type. This field includes the IEI and length + * indicatior of the other information elements. + */ + dtap_mm_mm_info(tvb, ie_tree, offset, ie_len); + + + return offset + ie_len; } /* 18.4.17 Mobile identity */ static int dissect_bssap_mobile_id(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_mobile_id_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_id); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the value part of - * the mobile identity IE defined in 3GPP TS 24.008 (not including - * 3GPP TS 24.008 IEI and 3GPP TS 24.008 length indicator). - */ - de_mid(tvb, ie_tree, offset, ie_len, NULL, 0); - - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_mobile_id_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_id); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the value part of + * the mobile identity IE defined in 3GPP TS 24.008 (not including + * 3GPP TS 24.008 IEI and 3GPP TS 24.008 length indicator). + */ + de_mid(tvb, ie_tree, offset, ie_len, NULL, 0); + + + return offset + ie_len; } /* 18.4.18 Mobile station classmark 1 */ static int dissect_bssap_mobile_stn_cls_mrk1(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_mobile_stn_cls_mrk1_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_stn_cls_mrk1); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the value part of - * the mobile station classmark 1 IE defined in 3GPP TS 24.008 (not - * including 3GPP TS 24.008 IEI) - */ - de_ms_cm_1(tvb, ie_tree, offset, ie_len, NULL, 0); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_mobile_stn_cls_mrk1_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_stn_cls_mrk1); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the value part of + * the mobile station classmark 1 IE defined in 3GPP TS 24.008 (not + * including 3GPP TS 24.008 IEI) + */ + de_ms_cm_1(tvb, ie_tree, offset, ie_len, NULL, 0); + + return offset + ie_len; } /* 18.4.19 Mobile station state */ static const value_string bssap_mobile_station_state_values[] = { - { 0x00, "IDLE or PMM-DETACHED" }, - { 0x01, "STANDBY or PMM-IDLE, 0 PDP contexts active" }, - { 0x02, "STANDBY or PMM-IDLE, 1 or more PDP contexts active" }, - { 0x03, "SUSPENDED, 0 PDP contexts active" }, - { 0x04, "SUSPENDED, 1 or more PDP contexts active" }, - { 0x05, "READY or PMM-CONNECTED, 0 PDP contexts active" }, - { 0x06, "READY or PMM-CONNECTED, 1 or more PDP contexts active" }, - { 0x07, "IMSI unknown" }, - { 0x08, "Information requested not supported" }, + { 0x00, "IDLE or PMM-DETACHED" }, + { 0x01, "STANDBY or PMM-IDLE, 0 PDP contexts active" }, + { 0x02, "STANDBY or PMM-IDLE, 1 or more PDP contexts active" }, + { 0x03, "SUSPENDED, 0 PDP contexts active" }, + { 0x04, "SUSPENDED, 1 or more PDP contexts active" }, + { 0x05, "READY or PMM-CONNECTED, 0 PDP contexts active" }, + { 0x06, "READY or PMM-CONNECTED, 1 or more PDP contexts active" }, + { 0x07, "IMSI unknown" }, + { 0x08, "Information requested not supported" }, { 0, NULL } }; static int dissect_bssap_mobile_station_state(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_mobile_station_state_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_station_state); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* Mobile station state value (octet 3) */ - proto_tree_add_item(ie_tree, hf_bssap_mobile_station_state, tvb, offset, ie_len, FALSE); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_mobile_station_state_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_station_state); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* Mobile station state value (octet 3) */ + proto_tree_add_item(ie_tree, hf_bssap_mobile_station_state, tvb, offset, ie_len, FALSE); + + return offset + ie_len; } /* 18.4.20 PTMSI */ static int dissect_bssap_ptmsi(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_ptmsi_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_ptmsi); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The PTMSI consists of 4 octets. It can be coded using a full hexadecimal representation - * (see 3GPP TS 23.003). - */ - proto_tree_add_item(ie_tree, hf_bssap_ptmsi, tvb, offset, ie_len, FALSE); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_ptmsi_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_ptmsi); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The PTMSI consists of 4 octets. It can be coded using a full hexadecimal representation + * (see 3GPP TS 23.003). + */ + proto_tree_add_item(ie_tree, hf_bssap_ptmsi, tvb, offset, ie_len, FALSE); + + return offset + ie_len; } /* 18.4.21 Reject cause */ static int dissect_bssap_reject_cause(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_reject_cause_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_reject_cause); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the value part of - * the reject cause IE defined in 3GPP TS 24.008, not including - * 3GPP TS 24.008 IEI. - */ - de_rej_cause(tvb, ie_tree, offset, ie_len, NULL, 0); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_reject_cause_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_reject_cause); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the value part of + * the reject cause IE defined in 3GPP TS 24.008, not including + * 3GPP TS 24.008 IEI. + */ + de_rej_cause(tvb, ie_tree, offset, ie_len, NULL, 0); + + return offset + ie_len; } @@ -1379,25 +1379,25 @@ dissect_bssap_reject_cause(tvbuff_t *tvb, proto_tree *tree, int offset) static int dissect_bssap_service_area_id(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_service_area_id_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_service_area_id); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The rest of the information element is coded as the the value part - * of the SAI IE defined in 3GPP TS 25.413 (not including - * 3GPP TS 25.413 IEI and 3GPP TS 25.413 length indicator). - */ - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_service_area_id_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_service_area_id); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The rest of the information element is coded as the the value part + * of the SAI IE defined in 3GPP TS 25.413 (not including + * 3GPP TS 25.413 IEI and 3GPP TS 25.413 length indicator). + */ + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, FALSE); + + return offset + ie_len; } @@ -1411,61 +1411,61 @@ static const true_false_string bssap_extension_value = { static int dissect_bssap_sgsn_number(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - tvbuff_t *number_tvb; - const char *digit_str; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_sgsn_nr_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_sgsn_nr); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The SGSN number is coded as a sequence of TBCD digits (as specified in 3GPP TS 29.002), - * compressed two into each octet. The Number is in international E.164 format as indicated by Octet 3 - * which coding is specified in 3GPP TS 29.002. This is a variable length information element, - * and includes a length indicator. The value part of the SGSN number information element - * (not including IEI, Length indicator and Octet 3) shall not exceed 15 digits. - */ - proto_tree_add_item(ie_tree, hf_bssap_extension, tvb, offset, 1, FALSE); - proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, FALSE); - proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, FALSE); - offset++; - number_tvb = tvb_new_subset(tvb, offset, ie_len-1,ie_len-1); - digit_str = unpack_digits(number_tvb, 0, &Dgt1_9_bcd, FALSE); - proto_tree_add_string(ie_tree, hf_bssap_sgsn_number, number_tvb, 0, -1, digit_str); - - - return offset + ie_len-1; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + tvbuff_t *number_tvb; + const char *digit_str; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_sgsn_nr_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_sgsn_nr); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The SGSN number is coded as a sequence of TBCD digits (as specified in 3GPP TS 29.002), + * compressed two into each octet. The Number is in international E.164 format as indicated by Octet 3 + * which coding is specified in 3GPP TS 29.002. This is a variable length information element, + * and includes a length indicator. The value part of the SGSN number information element + * (not including IEI, Length indicator and Octet 3) shall not exceed 15 digits. + */ + proto_tree_add_item(ie_tree, hf_bssap_extension, tvb, offset, 1, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, FALSE); + offset++; + number_tvb = tvb_new_subset(tvb, offset, ie_len-1,ie_len-1); + digit_str = unpack_digits(number_tvb, 0, &Dgt1_9_bcd, FALSE); + proto_tree_add_string(ie_tree, hf_bssap_sgsn_number, number_tvb, 0, -1, digit_str); + + + return offset + ie_len-1; } /* 18.4.23 TMSI */ static int dissect_bssap_tmsi(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_tmsi_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_tmsi); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The TMSI consists of 4 octets. It can be coded using a full hexadecimal representation - * (see 3GPP TS 23.003). - */ - proto_tree_add_item(ie_tree, hf_bssap_tmsi, tvb, offset, ie_len, FALSE); - - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_tmsi_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_tmsi); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The TMSI consists of 4 octets. It can be coded using a full hexadecimal representation + * (see 3GPP TS 23.003). + */ + proto_tree_add_item(ie_tree, hf_bssap_tmsi, tvb, offset, ie_len, FALSE); + + + return offset + ie_len; } @@ -1477,23 +1477,23 @@ static const true_false_string bssap_tmsi_flag = { static int dissect_bssap_tmsi_status(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_tmsi_status_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_tmsi_status); + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_tmsi_status_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_tmsi_status); - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* TMSI flag (octet 3) */ - proto_tree_add_item(ie_tree, hf_bssap_tmsi_status, tvb, offset, ie_len, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* TMSI flag (octet 3) */ + proto_tree_add_item(ie_tree, hf_bssap_tmsi_status, tvb, offset, ie_len, FALSE); - return offset + ie_len; + return offset + ie_len; } /* 18.4.25 Uplink Tunnel Payload Control and Info */ @@ -1503,58 +1503,58 @@ static const true_false_string bssap_E_flag = { }; /* 3GPP TS 44.064 B.1.1 TOM Protocol Discriminator */ static const value_string bssap_tom_prot_disc_values[] = { - { 0x00, "Not specified" }, - { 0x01, "TIA/EIA-136" }, - { 0x02, "RRLP" }, - { 0x03, "Reserved for extension" }, + { 0x00, "Not specified" }, + { 0x01, "TIA/EIA-136" }, + { 0x02, "RRLP" }, + { 0x03, "Reserved for extension" }, { 0, NULL } }; static int dissect_bssap_ulink_tunnel_payload_control_and_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - tvbuff_t *next_tvb; - guint8 ie_len; - guint8 octet; - guint8 prot_disc; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_ulink_tnl_pld_cntrl_amd_inf_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_ulink_tnl_pld_cntrl_amd_inf); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* octet 3 bit 8 Spare */ - /* octet 3 bit 7 - 4 - * TOM Protocol Discriminator: Identifies the protocol using tunnelling of non-GSM signalling. - * For coding, see 3GPP TS 44.064. - */ - proto_tree_add_item(ie_tree, hf_bssap_tom_prot_disc, tvb, offset, 1, FALSE); - octet = tvb_get_guint8(tvb,offset); - prot_disc = (octet&0x78)>>3; - - /* octet 3 bit 3 E: Cipher Request. When set to 1 indicates that the SGSN received the payload in ciphered form, - * when set to 0 indicates that the SGSN did not receive the payload in ciphered form. - */ - proto_tree_add_item(ie_tree, hf_bssap_e_bit, tvb, offset, 1, FALSE); - - /* octet 3 bit 2 - 1 - * Tunnel Priority: Indicates the priority of the Tunnel Payload. For coding, see Table 20.1: Association - * between Tunnel Priority and LLC SAPs. - */ - proto_tree_add_item(ie_tree, hf_bssap_tunnel_prio, tvb, offset, 1, FALSE); - /* Tunnel payload */ - next_tvb = tvb_new_subset(tvb, offset, ie_len-4, ie_len-4); - - if ((prot_disc == 2)&&(rrlp_handle)) - call_dissector(rrlp_handle, next_tvb, pinfo, ie_tree); - else - call_dissector(data_handle, next_tvb, pinfo, ie_tree); - - return offset + ie_len; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + tvbuff_t *next_tvb; + guint8 ie_len; + guint8 octet; + guint8 prot_disc; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_ulink_tnl_pld_cntrl_amd_inf_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_ulink_tnl_pld_cntrl_amd_inf); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* octet 3 bit 8 Spare */ + /* octet 3 bit 7 - 4 + * TOM Protocol Discriminator: Identifies the protocol using tunnelling of non-GSM signalling. + * For coding, see 3GPP TS 44.064. + */ + proto_tree_add_item(ie_tree, hf_bssap_tom_prot_disc, tvb, offset, 1, FALSE); + octet = tvb_get_guint8(tvb,offset); + prot_disc = (octet&0x78)>>3; + + /* octet 3 bit 3 E: Cipher Request. When set to 1 indicates that the SGSN received the payload in ciphered form, + * when set to 0 indicates that the SGSN did not receive the payload in ciphered form. + */ + proto_tree_add_item(ie_tree, hf_bssap_e_bit, tvb, offset, 1, FALSE); + + /* octet 3 bit 2 - 1 + * Tunnel Priority: Indicates the priority of the Tunnel Payload. For coding, see Table 20.1: Association + * between Tunnel Priority and LLC SAPs. + */ + proto_tree_add_item(ie_tree, hf_bssap_tunnel_prio, tvb, offset, 1, FALSE); + /* Tunnel payload */ + next_tvb = tvb_new_subset(tvb, offset, ie_len-4, ie_len-4); + + if ((prot_disc == 2)&&(rrlp_handle)) + call_dissector(rrlp_handle, next_tvb, pinfo, ie_tree); + else + call_dissector(data_handle, next_tvb, pinfo, ie_tree); + + return offset + ie_len; } @@ -1562,975 +1562,975 @@ dissect_bssap_ulink_tunnel_payload_control_and_info(tvbuff_t *tvb, packet_info * static int dissect_bssap_vlr_number(tvbuff_t *tvb, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - guint8 ie_len; - tvbuff_t *number_tvb; - const char *digit_str; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_vlr_number_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_vlr_number); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The VLR number is coded as a sequence of TBCD digits (as specified in 3GPP TS 29.002), - * compressed two into each octet. The Number is in international E.164 format as indicated by Octet 3 - * which coding is specified in 3GPP TS 29.002. This is a variable length information element, - * and includes a length indicator. The value part of the VLR number information element - * (not including IEI, length indicator and Octet 3), shall not exceed 15 digits. - */ - - proto_tree_add_item(ie_tree, hf_bssap_extension, tvb, offset, 1, FALSE); - proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, FALSE); - proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, FALSE); - offset++; - number_tvb = tvb_new_subset(tvb, offset, ie_len-1,ie_len-1); - digit_str = unpack_digits(number_tvb, 0, &Dgt1_9_bcd, FALSE); - proto_tree_add_string(ie_tree, hf_bssap_sgsn_number, number_tvb, 0, -1, digit_str); - - return offset + ie_len-1; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + guint8 ie_len; + tvbuff_t *number_tvb; + const char *digit_str; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_vlr_number_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_vlr_number); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The VLR number is coded as a sequence of TBCD digits (as specified in 3GPP TS 29.002), + * compressed two into each octet. The Number is in international E.164 format as indicated by Octet 3 + * which coding is specified in 3GPP TS 29.002. This is a variable length information element, + * and includes a length indicator. The value part of the VLR number information element + * (not including IEI, length indicator and Octet 3), shall not exceed 15 digits. + */ + + proto_tree_add_item(ie_tree, hf_bssap_extension, tvb, offset, 1, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, FALSE); + proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, FALSE); + offset++; + number_tvb = tvb_new_subset(tvb, offset, ie_len-1,ie_len-1); + digit_str = unpack_digits(number_tvb, 0, &Dgt1_9_bcd, FALSE); + proto_tree_add_string(ie_tree, hf_bssap_sgsn_number, number_tvb, 0, -1, digit_str); + + return offset + ie_len-1; } /* 18.4.27 Global CN-Id */ static int dissect_bssap_global_cn_id(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset) { - proto_item *item = NULL; - proto_tree *ie_tree = NULL; - proto_item *plmn_item = NULL; - proto_tree *plmn_tree = NULL; - proto_item *global_cn_id_item = NULL; - proto_tree *global_cn_id_tree = NULL; - guint8 ie_len; - - ie_len = tvb_get_guint8(tvb,offset+1); - item = proto_tree_add_item(tree, hf_bssap_global_cn_id_ie, tvb, offset, ie_len+2, FALSE); - ie_tree = proto_item_add_subtree(item, ett_bssap_global_cn); - - proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); - offset++; - proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); - offset++; - /* The Global CN-Id consists of a PLMN-Id and a CN-Id, see 3GPP TS 23.003. - * The PLMN-Id consists of MCC and MNC coded according to Location Area Identification - * in 3GPP TS 24.008. The CN-Id is an integer defined by O&M. - * The least significant bit of the CN-Id field is bit 1 of octet 7 and - * the most significant bit is bit 8 of octet 6. If the CN-Id does not fill the field reserved for it, - * the rest of the bits are set to '0'. - */ - global_cn_id_item = proto_tree_add_item(ie_tree, hf_bssap_global_cn_id, tvb, offset, ie_len, FALSE); - global_cn_id_tree = proto_item_add_subtree(global_cn_id_item, ett_bssap_global_cn_id); - /* Octet 3 - 5 PLMN-Id Coded as octets 2 to 4 of the Location Area Identification IE, - * defined in 3GPP TS 24.008 (not including 3GPP TS 24.008 IEI and LAC). - */ - plmn_item = proto_tree_add_item(global_cn_id_tree, hf_bssap_plmn_id, tvb, offset, 3, FALSE); - plmn_tree = proto_item_add_subtree(plmn_item, ett_bssap_plmn); - dissect_e212_mcc_mnc(tvb, pinfo, plmn_tree, offset, TRUE); - offset = offset + 3; - - /* Octet 6 - 7 CN-Id (INTEGER 0..4095) */ - proto_tree_add_item(global_cn_id_tree, hf_bssap_cn_id, tvb, offset, 2, FALSE); - offset = offset+2; - - return offset; + proto_item *item = NULL; + proto_tree *ie_tree = NULL; + proto_item *plmn_item = NULL; + proto_tree *plmn_tree = NULL; + proto_item *global_cn_id_item = NULL; + proto_tree *global_cn_id_tree = NULL; + guint8 ie_len; + + ie_len = tvb_get_guint8(tvb,offset+1); + item = proto_tree_add_item(tree, hf_bssap_global_cn_id_ie, tvb, offset, ie_len+2, FALSE); + ie_tree = proto_item_add_subtree(item, ett_bssap_global_cn); + + proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, FALSE); + offset++; + proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, FALSE); + offset++; + /* The Global CN-Id consists of a PLMN-Id and a CN-Id, see 3GPP TS 23.003. + * The PLMN-Id consists of MCC and MNC coded according to Location Area Identification + * in 3GPP TS 24.008. The CN-Id is an integer defined by O&M. + * The least significant bit of the CN-Id field is bit 1 of octet 7 and + * the most significant bit is bit 8 of octet 6. If the CN-Id does not fill the field reserved for it, + * the rest of the bits are set to '0'. + */ + global_cn_id_item = proto_tree_add_item(ie_tree, hf_bssap_global_cn_id, tvb, offset, ie_len, FALSE); + global_cn_id_tree = proto_item_add_subtree(global_cn_id_item, ett_bssap_global_cn_id); + /* Octet 3 - 5 PLMN-Id Coded as octets 2 to 4 of the Location Area Identification IE, + * defined in 3GPP TS 24.008 (not including 3GPP TS 24.008 IEI and LAC). + */ + plmn_item = proto_tree_add_item(global_cn_id_tree, hf_bssap_plmn_id, tvb, offset, 3, FALSE); + plmn_tree = proto_item_add_subtree(plmn_item, ett_bssap_plmn); + dissect_e212_mcc_mnc(tvb, pinfo, plmn_tree, offset, TRUE); + offset = offset + 3; + + /* Octet 6 - 7 CN-Id (INTEGER 0..4095) */ + proto_tree_add_item(global_cn_id_tree, hf_bssap_cn_id, tvb, offset, 2, FALSE); + offset = offset+2; + + return offset; } static void dissect_bssap_plus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { - proto_item *bssap_item; - proto_tree *bssap_tree = NULL; - guint8 message_type; - int offset = 0; - - /* - * Make entry in the Protocol column on summary display - */ - col_set_str(pinfo->cinfo, COL_PROTOCOL, "BSSAP+"); + proto_item *bssap_item; + proto_tree *bssap_tree = NULL; + guint8 message_type; + int offset = 0; + + /* + * Make entry in the Protocol column on summary display + */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BSSAP+"); + + if (pinfo->sccp_info && pinfo->sccp_info->data.co.assoc) + pinfo->sccp_info->data.co.assoc->payload = SCCP_PLOAD_BSSAP; - if (pinfo->sccp_info && pinfo->sccp_info->data.co.assoc) - pinfo->sccp_info->data.co.assoc->payload = SCCP_PLOAD_BSSAP; + /* create the BSSAP+ protocol tree */ + bssap_item = proto_tree_add_item(tree, proto_bssap, tvb, 0, -1, FALSE); + bssap_tree = proto_item_add_subtree(bssap_item, ett_bssap); - /* create the BSSAP+ protocol tree */ - bssap_item = proto_tree_add_item(tree, proto_bssap, tvb, 0, -1, FALSE); - bssap_tree = proto_item_add_subtree(bssap_item, ett_bssap); - - message_type = tvb_get_guint8(tvb,offset); - proto_tree_add_item(bssap_tree, hf_bssap_plus_message_type, tvb, offset, 1,FALSE); - offset++; - - if (check_col(pinfo->cinfo, COL_INFO)){ - col_add_str(pinfo->cinfo,COL_INFO, val_to_str(message_type,bssap_plus_message_type_values,"Unknown %u")); - } - - switch(message_type){ - case BSSAP_PAGING_REQUEST: - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* VLR number VLR number 18.4.26 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_VLR_NUMBER)) - offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); - - /* End of mandatory elements */ - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* TMSI TMSI 18.4.23 O TLV 6 */ - if ( check_optional_ie(tvb, offset, BSSAP_TMSI)) - offset = dissect_bssap_tmsi(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Location area identifier Location area identifier 18.4.14 O TLV 7 */ - if ( check_optional_ie(tvb, offset, BSSAP_LOC_AREA_ID)) - offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Channel needed Channel needed 18.4.2 O TLV 3 */ - if ( check_optional_ie(tvb, offset, BSSAP_CHANNEL_NEEDED)) - offset = dissect_bssap_channel_needed(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* eMLPP Priority eMLPP Priority 18.4.4 O TLV 3 */ - if ( check_optional_ie(tvb, offset, BSSAP_EMLPP_PRIORITY)) - offset = dissect_bssap_emlpp_priority(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Global CN-Id Global CN-Id 18.4.27 O TLV 7 */ - if ( check_optional_ie(tvb, offset, BSSAP_GLOBAL_CN_ID)) - offset = dissect_bssap_global_cn_id(tvb, pinfo, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_PAGING_REJECT: /* 17.1.18 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) - offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_DOWNLINK_TUNNEL_REQUEST: /* 17.1.4 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* VLR number VLR number 18.4.26 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_VLR_NUMBER)) - offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); - - /* Downlink Tunnel Payload Control and Info 18.4.3 M TLV 3-223 */ - if ( check_ie(tvb, tree, &offset, BSSAP_DLINK_TNL_PLD_CTR_AND_INF)) - offset = dissect_bssap_dlink_tunnel_payload_control_and_info(tvb, pinfo, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_UPLINK_TUNNEL_REQUEST: /* 17.1.23 */ - /* SGSN number 18.4.22 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - - /* Uplink Tunnel Payload Control and Info 18.4.25 M TLV 3-223 */ - if ( check_ie(tvb, tree, &offset, BSSAP_ULINK_TNL_PLD_CTR_AND_INF)) - offset = dissect_bssap_ulink_tunnel_payload_control_and_info(tvb, pinfo, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_LOCATION_UPDATE_REQUEST: /* 17.1.11 BSSAP+-LOCATION-UPDATE-REQUEST */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - - /* Update type GPRS location update type 18.4.6 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_GPRS_LOC_UPD_TYPE)) - offset = dissect_bssap_gprs_location_update_type(tvb, bssap_tree, offset); - - /* New Cell global identity Cell global identity 18.4.1 M TLV 10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - /* Mobile station classmark Mobile station classmark 1 18.4.18 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_MOBILE_STN_CLS_MRK1)) - offset = dissect_bssap_mobile_stn_cls_mrk1(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Old location area identifier Location area identifier 18.4.14 O TLV 7 */ - if ( check_optional_ie(tvb, offset, BSSAP_LOC_AREA_ID)) - offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* TMSI status TMSI status 18.4.24 O TLV 3 */ - if ( check_optional_ie(tvb, offset, BSSAP_TMSI_STATUS)) - offset = dissect_bssap_tmsi_status(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* New service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* IMEISV IMEISV 18.4.9 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_IMEISV)) - offset = dissect_bssap_imesiv(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_LOCATION_UPDATE_ACCEPT: /* 17.1.9 */ - /* IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* Location area identifier Location area identifier 18.4.14 M TLV 7 */ - if ( check_ie(tvb, tree, &offset, BSSAP_LOC_AREA_ID)) - offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* New TMSI, or IMSI Mobile identity 18.4.17 O TLV 6-10 */ - if ( check_optional_ie(tvb, offset, BSSAP_MOBILE_ID)) - offset = dissect_bssap_mobile_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_LOCATION_UPDATE_REJECT: /* 17.1.10 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - /* Reject cause Reject cause 18.4.21 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_REJECT_CAUSE)) - offset = dissect_bssap_reject_cause(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_TMSI_REALLOCATION_COMPLETE: /* 17.1.22 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_ALERT_REQUEST: /* 17.1.3 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_ALERT_ACK: /* 17.1.1 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_ALERT_REJECT: /* 17.1.2 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) - offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_MS_ACTIVITY_INDICATION: /* 17.1.14 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_GPRS_DETACH_INDICATION: /* 17.1.6 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - - /* IMSI detach from GPRS service type IMSI detach from GPRS service type 18.4.17 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE)) - offset = dissect_bssap_imsi_det_from_gprs_serv_type(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_GPRS_DETACH_ACK: /* 17.1.5 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_IMSI_DETACH_INDICATION: /* 17.1.8 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ - if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - - /* Detach type IMSI detach from non-GPRS service type 18.4.11 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE)) - offset = dissect_bssap_imsi_det_from_non_gprs_serv_type(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Location information age Location information age 18.4.14 O TLV 4 */ - if ( check_optional_ie(tvb, offset, BSSAP_LOC_INF_AGE)) - offset = dissect_bssap_location_information_age(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_IMSI_DETACH_ACK: /* 17.1.7 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_RESET_INDICATION: /* 17.1.21 */ - /* Conditional IE:s */ - /* SGSN number SGSN number 18.4.22 C TLV 5-11 */ - if ( check_optional_ie(tvb, offset, BSSAP_SGSN_NUMBER)){ - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - }else{ - /* VLR number VLR number 18.4.26 C TLV 5-11 */ - if ( check_optional_ie(tvb, offset, BSSAP_VLR_NUMBER)){ - offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - } - } - proto_tree_add_text(tree, tvb, offset, -1, "Conditional IE"); - break; - case BSSAP_RESET_ACK: /* 17.1.20 */ - /* Conditional IE:s */ - /* SGSN number SGSN number 18.4.22 C TLV 5-11 */ - if ( check_optional_ie(tvb, offset, BSSAP_SGSN_NUMBER)){ - offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - }else{ - /* VLR number VLR number 18.4.26 C TLV 5-11 */ - if ( check_optional_ie(tvb, offset, BSSAP_VLR_NUMBER)){ - offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - } - } - proto_tree_add_text(tree, tvb, offset, -1, "Conditional IE"); - break; - case BSSAP_MS_INFORMATION_REQUEST: /* 17.1.15 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* Information requested Information requested 18.4.13 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_INFO_REQ)) - offset = dissect_bssap_info_req(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_MS_INFORMATION_RESPONSE: /* 17.1.16 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* TMSI TMSI 18.4.23 O TLV 6 */ - if ( check_optional_ie(tvb, offset, BSSAP_TMSI)) - offset = dissect_bssap_tmsi(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* PTMSI PTMSI 18.4.20 O TLV 6 BSSAP_PTMSI*/ - if ( check_optional_ie(tvb, offset, BSSAP_PTMSI)) - offset = dissect_bssap_ptmsi(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* IMEI IMEI 18.4.8 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_IMEI)) - offset = dissect_bssap_imei(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - /* IMEISV IMEISV 18.4.9 O TLV 10 BSSAP_IMEISV*/ - if ( check_optional_ie(tvb, offset, BSSAP_IMEISV)) - offset = dissect_bssap_imesiv(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ - if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) - offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - /* Location information age Location information age 18.4.15 O TLV 4 */ - if ( check_optional_ie(tvb, offset, BSSAP_LOC_INF_AGE)) - offset = dissect_bssap_location_information_age(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Mobile station state Mobile station state 18.4.19 O TLV 3 */ - if ( check_optional_ie(tvb, offset, BSSAP_MOBILE_STN_STATE)) - offset = dissect_bssap_mobile_station_state(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - - /* Service area identification Service area identification 18.4.21b O TLV 9 */ - if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) - offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_MM_INFORMATION_REQUEST: /* 17.1.12 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - /* MM information MM information 18.4.16 O TLV 3-n */ - if ( check_optional_ie(tvb, offset, BSSAP_MM_INFORMATION)) - offset = dissect_bssap_MM_information(tvb, bssap_tree, offset); - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_MOBILE_STATUS: /* 17.1.13 */ - /* IMSI IMSI 18.4.10 O TLV 6-10 */ - if ( check_optional_ie(tvb, offset, BSSAP_MM_INFORMATION)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) - offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); - - /* Erroneous message Erroneous message 18.4.5 M TLV 3-n BSSAP_ERRONEOUS_MSG*/ - if ( check_ie(tvb, tree, &offset, BSSAP_ERRONEOUS_MSG)) - offset = dissect_bssap_gprs_erroneous_msg(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - case BSSAP_MS_UNREACHABLE: /* 17.1.17 */ - /* IMSI IMSI 18.4.10 M TLV 6-10 */ - if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) - offset = dissect_bssap_imsi(tvb, bssap_tree, offset); - - /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ - if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) - offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); - - if (tvb_length_remaining(tvb,offset) == 0) - return; - proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); - break; - default: - break; - } + message_type = tvb_get_guint8(tvb,offset); + proto_tree_add_item(bssap_tree, hf_bssap_plus_message_type, tvb, offset, 1,FALSE); + offset++; + + if (check_col(pinfo->cinfo, COL_INFO)){ + col_add_str(pinfo->cinfo,COL_INFO, val_to_str(message_type,bssap_plus_message_type_values,"Unknown %u")); + } + + switch(message_type){ + case BSSAP_PAGING_REQUEST: + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* VLR number VLR number 18.4.26 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_VLR_NUMBER)) + offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); + + /* End of mandatory elements */ + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* TMSI TMSI 18.4.23 O TLV 6 */ + if ( check_optional_ie(tvb, offset, BSSAP_TMSI)) + offset = dissect_bssap_tmsi(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Location area identifier Location area identifier 18.4.14 O TLV 7 */ + if ( check_optional_ie(tvb, offset, BSSAP_LOC_AREA_ID)) + offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Channel needed Channel needed 18.4.2 O TLV 3 */ + if ( check_optional_ie(tvb, offset, BSSAP_CHANNEL_NEEDED)) + offset = dissect_bssap_channel_needed(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* eMLPP Priority eMLPP Priority 18.4.4 O TLV 3 */ + if ( check_optional_ie(tvb, offset, BSSAP_EMLPP_PRIORITY)) + offset = dissect_bssap_emlpp_priority(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Global CN-Id Global CN-Id 18.4.27 O TLV 7 */ + if ( check_optional_ie(tvb, offset, BSSAP_GLOBAL_CN_ID)) + offset = dissect_bssap_global_cn_id(tvb, pinfo, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_PAGING_REJECT: /* 17.1.18 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) + offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_DOWNLINK_TUNNEL_REQUEST: /* 17.1.4 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* VLR number VLR number 18.4.26 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_VLR_NUMBER)) + offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); + + /* Downlink Tunnel Payload Control and Info 18.4.3 M TLV 3-223 */ + if ( check_ie(tvb, tree, &offset, BSSAP_DLINK_TNL_PLD_CTR_AND_INF)) + offset = dissect_bssap_dlink_tunnel_payload_control_and_info(tvb, pinfo, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_UPLINK_TUNNEL_REQUEST: /* 17.1.23 */ + /* SGSN number 18.4.22 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + + /* Uplink Tunnel Payload Control and Info 18.4.25 M TLV 3-223 */ + if ( check_ie(tvb, tree, &offset, BSSAP_ULINK_TNL_PLD_CTR_AND_INF)) + offset = dissect_bssap_ulink_tunnel_payload_control_and_info(tvb, pinfo, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_LOCATION_UPDATE_REQUEST: /* 17.1.11 BSSAP+-LOCATION-UPDATE-REQUEST */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + + /* Update type GPRS location update type 18.4.6 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_GPRS_LOC_UPD_TYPE)) + offset = dissect_bssap_gprs_location_update_type(tvb, bssap_tree, offset); + + /* New Cell global identity Cell global identity 18.4.1 M TLV 10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + /* Mobile station classmark Mobile station classmark 1 18.4.18 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_MOBILE_STN_CLS_MRK1)) + offset = dissect_bssap_mobile_stn_cls_mrk1(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Old location area identifier Location area identifier 18.4.14 O TLV 7 */ + if ( check_optional_ie(tvb, offset, BSSAP_LOC_AREA_ID)) + offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* TMSI status TMSI status 18.4.24 O TLV 3 */ + if ( check_optional_ie(tvb, offset, BSSAP_TMSI_STATUS)) + offset = dissect_bssap_tmsi_status(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* New service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* IMEISV IMEISV 18.4.9 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_IMEISV)) + offset = dissect_bssap_imesiv(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_LOCATION_UPDATE_ACCEPT: /* 17.1.9 */ + /* IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* Location area identifier Location area identifier 18.4.14 M TLV 7 */ + if ( check_ie(tvb, tree, &offset, BSSAP_LOC_AREA_ID)) + offset = dissect_bssap_loc_area_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* New TMSI, or IMSI Mobile identity 18.4.17 O TLV 6-10 */ + if ( check_optional_ie(tvb, offset, BSSAP_MOBILE_ID)) + offset = dissect_bssap_mobile_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_LOCATION_UPDATE_REJECT: /* 17.1.10 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + /* Reject cause Reject cause 18.4.21 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_REJECT_CAUSE)) + offset = dissect_bssap_reject_cause(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_TMSI_REALLOCATION_COMPLETE: /* 17.1.22 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_ALERT_REQUEST: /* 17.1.3 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_ALERT_ACK: /* 17.1.1 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_ALERT_REJECT: /* 17.1.2 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) + offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_MS_ACTIVITY_INDICATION: /* 17.1.14 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_GPRS_DETACH_INDICATION: /* 17.1.6 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + + /* IMSI detach from GPRS service type IMSI detach from GPRS service type 18.4.17 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE)) + offset = dissect_bssap_imsi_det_from_gprs_serv_type(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_GPRS_DETACH_ACK: /* 17.1.5 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_IMSI_DETACH_INDICATION: /* 17.1.8 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* SGSN number SGSN number 18.4.22 M TLV 5-11 */ + if ( check_ie(tvb, tree, &offset, BSSAP_SGSN_NUMBER)) + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + + /* Detach type IMSI detach from non-GPRS service type 18.4.11 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI_DET_FROM_NON_GPRS_SERV_TYPE)) + offset = dissect_bssap_imsi_det_from_non_gprs_serv_type(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Location information age Location information age 18.4.14 O TLV 4 */ + if ( check_optional_ie(tvb, offset, BSSAP_LOC_INF_AGE)) + offset = dissect_bssap_location_information_age(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_IMSI_DETACH_ACK: /* 17.1.7 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_RESET_INDICATION: /* 17.1.21 */ + /* Conditional IE:s */ + /* SGSN number SGSN number 18.4.22 C TLV 5-11 */ + if ( check_optional_ie(tvb, offset, BSSAP_SGSN_NUMBER)){ + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + }else{ + /* VLR number VLR number 18.4.26 C TLV 5-11 */ + if ( check_optional_ie(tvb, offset, BSSAP_VLR_NUMBER)){ + offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + } + } + proto_tree_add_text(tree, tvb, offset, -1, "Conditional IE"); + break; + case BSSAP_RESET_ACK: /* 17.1.20 */ + /* Conditional IE:s */ + /* SGSN number SGSN number 18.4.22 C TLV 5-11 */ + if ( check_optional_ie(tvb, offset, BSSAP_SGSN_NUMBER)){ + offset = dissect_bssap_sgsn_number(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + }else{ + /* VLR number VLR number 18.4.26 C TLV 5-11 */ + if ( check_optional_ie(tvb, offset, BSSAP_VLR_NUMBER)){ + offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + } + } + proto_tree_add_text(tree, tvb, offset, -1, "Conditional IE"); + break; + case BSSAP_MS_INFORMATION_REQUEST: /* 17.1.15 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* Information requested Information requested 18.4.13 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_INFO_REQ)) + offset = dissect_bssap_info_req(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_MS_INFORMATION_RESPONSE: /* 17.1.16 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* TMSI TMSI 18.4.23 O TLV 6 */ + if ( check_optional_ie(tvb, offset, BSSAP_TMSI)) + offset = dissect_bssap_tmsi(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* PTMSI PTMSI 18.4.20 O TLV 6 BSSAP_PTMSI*/ + if ( check_optional_ie(tvb, offset, BSSAP_PTMSI)) + offset = dissect_bssap_ptmsi(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* IMEI IMEI 18.4.8 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_IMEI)) + offset = dissect_bssap_imei(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + /* IMEISV IMEISV 18.4.9 O TLV 10 BSSAP_IMEISV*/ + if ( check_optional_ie(tvb, offset, BSSAP_IMEISV)) + offset = dissect_bssap_imesiv(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Cell global identity Cell global identity 18.4.1 O TLV 10 */ + if ( check_optional_ie(tvb, offset, BSSAP_CELL_GBL_ID)) + offset = dissect_bssap_cell_global_id(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + /* Location information age Location information age 18.4.15 O TLV 4 */ + if ( check_optional_ie(tvb, offset, BSSAP_LOC_INF_AGE)) + offset = dissect_bssap_location_information_age(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Mobile station state Mobile station state 18.4.19 O TLV 3 */ + if ( check_optional_ie(tvb, offset, BSSAP_MOBILE_STN_STATE)) + offset = dissect_bssap_mobile_station_state(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + + /* Service area identification Service area identification 18.4.21b O TLV 9 */ + if ( check_optional_ie(tvb, offset, BSSAP_SERVICE_AREA_ID)) + offset = dissect_bssap_service_area_id(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_MM_INFORMATION_REQUEST: /* 17.1.12 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + /* MM information MM information 18.4.16 O TLV 3-n */ + if ( check_optional_ie(tvb, offset, BSSAP_MM_INFORMATION)) + offset = dissect_bssap_MM_information(tvb, bssap_tree, offset); + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_MOBILE_STATUS: /* 17.1.13 */ + /* IMSI IMSI 18.4.10 O TLV 6-10 */ + if ( check_optional_ie(tvb, offset, BSSAP_MM_INFORMATION)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) + offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); + + /* Erroneous message Erroneous message 18.4.5 M TLV 3-n BSSAP_ERRONEOUS_MSG*/ + if ( check_ie(tvb, tree, &offset, BSSAP_ERRONEOUS_MSG)) + offset = dissect_bssap_gprs_erroneous_msg(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + case BSSAP_MS_UNREACHABLE: /* 17.1.17 */ + /* IMSI IMSI 18.4.10 M TLV 6-10 */ + if ( check_ie(tvb, tree, &offset, BSSAP_IMSI)) + offset = dissect_bssap_imsi(tvb, bssap_tree, offset); + + /* Gs Cause Gs Cause 18.4.7 M TLV 3 */ + if ( check_ie(tvb, tree, &offset, BSSAP_GS_CAUSE)) + offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset); + + if (tvb_length_remaining(tvb,offset) == 0) + return; + proto_tree_add_text(tree, tvb, offset, -1, "Extraneous data"); + break; + default: + break; + } } static gboolean dissect_bssap_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { - /* Is it a BSSAP/BSAP packet? - * If octet_1 == 0x00 and octet_2 == length(tvb) - 2 - * or if octet_1 == 0x01 and octet_3 == length(tvb) - 3 - * then we'll assume it is a bssap packet - * If octet_1 == 0x00 a further check is done - * to differentiate a BSSMAP BLOCK message from a - * RANAP DirectTransfer (under certain conditions) - */ - switch (tvb_get_guint8(tvb, 0)) - { - case 0x00: - if (tvb_get_guint8(tvb, 1) != (tvb_length(tvb) - 2)) { return(FALSE); } - if (tvb_get_guint8(tvb, 2) == 0x40 && tvb_get_guint8(tvb, 3) != 0x01) { - return(FALSE); } - break; - - case 0x01: - if (tvb_get_guint8(tvb, 2) != (tvb_length(tvb) - 3)) { return(FALSE); } - break; - - default: - return(FALSE); - } - - dissect_bssap(tvb, pinfo, tree); - - return(TRUE); + /* Is it a BSSAP/BSAP packet? + * If octet_1 == 0x00 and octet_2 == length(tvb) - 2 + * or if octet_1 == 0x01 and octet_3 == length(tvb) - 3 + * then we'll assume it is a bssap packet + * If octet_1 == 0x00 a further check is done + * to differentiate a BSSMAP BLOCK message from a + * RANAP DirectTransfer (under certain conditions) + */ + switch (tvb_get_guint8(tvb, 0)) + { + case 0x00: + if (tvb_get_guint8(tvb, 1) != (tvb_length(tvb) - 2)) { return(FALSE); } + if (tvb_get_guint8(tvb, 2) == 0x40 && tvb_get_guint8(tvb, 3) != 0x01) { + return(FALSE); } + break; + + case 0x01: + if (tvb_get_guint8(tvb, 2) != (tvb_length(tvb) - 3)) { return(FALSE); } + break; + + default: + return(FALSE); + } + + dissect_bssap(tvb, pinfo, tree); + + return(TRUE); } /* Register the protocol with Wireshark */ void proto_register_bssap(void) { - module_t *bssap_module; - - /* Setup list of header fields */ - static hf_register_info hf[] = { - { &hf_bssap_pdu_type, - { "Message Type", "bssap.pdu_type", - FT_UINT8, BASE_HEX, VALS(bssap_pdu_type_values), 0x0, - NULL, HFILL}}, - { &hf_bsap_pdu_type, - { "Message Type", "bsap.pdu_type", - FT_UINT8, BASE_HEX, VALS(bsap_pdu_type_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_dlci_cc, - { "Control Channel", "bssap.dlci.cc", - FT_UINT8, BASE_HEX, VALS(bssap_cc_values), CC_MASK, - NULL, HFILL}}, - { &hf_bsap_dlci_cc, - { "Control Channel", "bsap.dlci.cc", - FT_UINT8, BASE_HEX, VALS(bsap_cc_values), CC_MASK, - NULL, HFILL}}, - { &hf_bssap_dlci_spare, - { "Spare", "bssap.dlci.spare", - FT_UINT8, BASE_HEX, NULL, SPARE_MASK, - NULL, HFILL}}, - { &hf_bsap_dlci_rsvd, - { "Reserved", "bsap.dlci.rsvd", - FT_UINT8, BASE_HEX, NULL, SPARE_MASK, - NULL, HFILL}}, - { &hf_bssap_dlci_sapi, - { "SAPI", "bssap.dlci.sapi", - FT_UINT8, BASE_HEX, VALS(bssap_sapi_values), SAPI_MASK, - NULL, HFILL}}, - { &hf_bsap_dlci_sapi, - { "SAPI", "bsap.dlci.sapi", - FT_UINT8, BASE_HEX, VALS(bsap_sapi_values), SAPI_MASK, - NULL, HFILL}}, - { &hf_bssap_length, - { "Length", "bssap.length", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL}}, - - { &hf_bssap_plus_message_type, - { "Message Type", "bssap_plus.msg_type", - FT_UINT8, BASE_DEC, VALS(bssap_plus_message_type_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_plus_ie, - { "IEI", "bssap_plus.iei", - FT_UINT8, BASE_DEC, VALS(bssap_plus_ie_id_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_plus_ie_len, - { "Length indicator", "bssap_plus.iei", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_extension, - { "Extension", "bssap.extension", - FT_BOOLEAN, 8, TFS(&bssap_extension_value), 0x80, - NULL, HFILL }}, - { &hf_bssap_type_of_number, - { "Type of number", "bssap.type_of_number", - FT_UINT8, BASE_HEX, VALS(gsm_a_type_of_number_values), 0x70, - NULL, HFILL }}, - { &hf_bssap_numbering_plan_id, - { "Numbering plan identification", "bssap.number_plan", - FT_UINT8, BASE_HEX, VALS(gsm_a_numbering_plan_id_values), 0x0f, - NULL, HFILL }}, - { &hf_bssap_sgsn_number, - { "SGSN number", "bssap.sgsn_number", - FT_STRING, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_vlr_number, - { "VLR number", "bssap.vlr_number", - FT_STRING, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_cell_global_id_ie, - { "Cell global identity IE", "bssap.cell_global_id_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_channel_needed_ie, - { "Channel needed IE", "bssap.cell_global_id_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_dlink_tnl_pld_cntrl_amd_inf_ie, - { "Downlink Tunnel Payload Control and Info IE", "bssap.dlink_tnl_pld_cntrl_amd_inf_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_ulink_tnl_pld_cntrl_amd_inf_ie, - { "Uplink Tunnel Payload Control and Info IE", "bssap.ulink_tnl_pld_cntrl_amd_inf_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_emlpp_prio_ie, - { "eMLPP Priority IE", "bssap.emlpp_prio_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_gprs_erroneous_msg_ie, - { "Erroneous message IE", "bssap.erroneous_msg_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_gprs_loc_upd_type_ie, - { "GPRS location update type IE", "bssap.loc_upd_type_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_Gs_cause_ie, - { "Gs Cause IE", "bssap.Gs_cause_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imei_ie, - { "IMEI IE", "bssap.imei_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imesiv_ie, - { "IMEISV IE", "bssap.imesiv", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imsi_ie, - { "IMSI IE", "bssap.imsi_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imsi_det_from_gprs_serv_type_ie, - { "IMSI detach from GPRS service type IE", "bssap.msi_det_from_gprs_serv_type_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imsi_det_from_non_gprs_serv_type_ie, - { "IMSI detach from non-GPRS service IE", "bssap.msi_det_from_non_gprs_serv_type_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_info_req_ie, - { "Information requested IE", "bssap.info_req_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_loc_area_id_ie, - { "Location area identifier IE", "bssap.loc_area_id_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_loc_inf_age_ie, - { "Location information age IE", "bssap.loc_inf_age_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_mm_information_ie, - { "MM information IE", "bssap.mm_information", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_mobile_id_ie, - { "Mobile identity IE", "bssap.mobile_id_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_mobile_stn_cls_mrk1_ie, - { "Mobile station classmark 1 IE", "bssap.mobile_stn_cls_mrk1_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_mobile_station_state_ie, - { "Mobile station state IE", "bssap.mobile_station_state_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_ptmsi_ie, - { "PTMSI IE", "bssap.ptmsi_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_reject_cause_ie, - { "Reject cause IE", "bssap.reject_cause_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_service_area_id_ie, - { "Service area identification IE", "bssap.mobile_stn_cls_mrk1_ie", - FT_NONE, BASE_NONE, NULL, 0, - "Mobile station classmark 1", HFILL }}, - { &hf_bssap_sgsn_nr_ie, - { "SGSN number IE", "bssap.imsi_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_tmsi_ie, - { "TMSI IE", "bssap.tmsi_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_tmsi_status_ie, - { "TMSI status IE", "bssap.tmsi_status_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_vlr_number_ie, - { "VLR number IE", "bssap.vlr_number_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_global_cn_id_ie, - { "Global CN-Id IE", "bssap.global_cn_id_ie", - FT_NONE, BASE_NONE, NULL, 0, - NULL, HFILL }}, - - { &hf_bssap_plus_ie_data, - { "IE Data", "bssap.ie_data", - FT_BYTES, BASE_NONE, NULL, 0, - NULL, HFILL }}, - - { &hf_bssap_call_priority, - { "eMLPP Priority", "bssap.gprs_loc_upd_type", - FT_UINT8, BASE_DEC, VALS(bssap_call_priority_values), 0x07, - NULL, HFILL}}, - { &hf_bssap_gprs_loc_upd_type, - { "GPRS location update type", "bssap.gprs_loc_upd_type", - FT_UINT8, BASE_DEC, VALS(bssap_plus_GPRS_loc_upd_type_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_Gs_cause, - { "Gs cause", "bssap.gprs_loc_upd_type", - FT_UINT8, BASE_DEC, VALS(bssap_Gs_cause_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_imei, - { "IMEI", "bssap.imei", - FT_STRING, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imeisv, - { "IMEISV", "bssap.imeisv", - FT_STRING, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imsi, - { "IMSI", "bssap.imsi", - FT_STRING, BASE_NONE, NULL, 0, - NULL, HFILL }}, - { &hf_bssap_imsi_det_from_gprs_serv_type, - { "IMSI detach from GPRS service type", "bssap.imsi_det_from_gprs_serv_type", - FT_UINT8, BASE_DEC, VALS(bssap_Gs_cause_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_info_req, - { "Information requested", "bssap.info_req", - FT_UINT8, BASE_DEC, VALS(bssap_info_req_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_loc_inf_age, - { "AgeOfLocationInformation in minutes", "bssap.loc_inf_age", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_mobile_station_state, - { "Mobile station state", "bssap.mobile_station_state", - FT_UINT8, BASE_DEC, VALS(bssap_mobile_station_state_values), 0x0, - NULL, HFILL}}, - { &hf_bssap_ptmsi, - { "PTMSI", "bssap.ptmsi", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_tmsi, - { "TMSI", "bssap.tmsi", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_tmsi_status, - { "TMSI status", "bssap.tmsi_status", - FT_BOOLEAN, 8, TFS(&bssap_tmsi_flag), 0x01, - NULL, HFILL }}, - { &hf_bssap_tom_prot_disc, - { "TOM Protocol Discriminator", "bssap.Tom_prot_disc", - FT_UINT8, BASE_DEC, VALS(bssap_tom_prot_disc_values), 0x78, - NULL, HFILL}}, - { &hf_bssap_e_bit, - { "E: Cipher Request", "bssap.tmsi_status", - FT_BOOLEAN, 8, TFS(&bssap_E_flag), 0x04, - NULL, HFILL }}, - { &hf_bssap_tunnel_prio, - { "Tunnel Priority", "bssap.tunnel_prio", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_global_cn_id, - { "Global CN-Id", "bssap.global_cn_id", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_plmn_id, - { "PLMN-Id", "bssap.plmn_id", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_cn_id, - { "CN-Id", "bssap.cn_id", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, HFILL}}, - { &hf_bssap_cell_global_id, - { "Cell global identity", "bssap.plmn_id", - FT_BYTES, BASE_NONE, NULL, 0x0, - NULL, HFILL}}, - }; - - /* Setup protocol subtree array */ - static gint *ett[] = { - &ett_bssap, - &ett_bssap_dlci, - &ett_bssap_imsi, - &ett_bssap_imsi_det_from_gprs_serv_type, - &ett_bssap_imsi_det_from_non_gprs_serv_type, - &ett_bssap_info_req, - &ett_bssap_loc_area_id, - &ett_bssap_loc_inf_age, - &ett_bssap_mm_information, - &ett_bssap_mobile_id, - &ett_bssap_sgsn_nr, - &ett_bssap_tmsi, - &ett_bssap_tmsi_status, - &ett_bssap_vlr_number, - &ett_bssap_global_cn, - &ett_bssap_gprs_loc_upd, - &ett_bassp_Gs_cause, - &ett_bassp_imei, - &ett_bassp_imesiv, - &ett_bssap_cell_global_id, - &ett_bssap_cgi, - &ett_bssap_channel_needed, - &ett_bssap_dlink_tnl_pld_cntrl_amd_inf, - &ett_bssap_ulink_tnl_pld_cntrl_amd_inf, - &ett_bssap_emlpp_prio, - &ett_bssap_erroneous_msg, - &ett_bssap_mobile_stn_cls_mrk1, - &ett_bssap_mobile_station_state, - &ett_bssap_ptmsi, - &ett_bssap_reject_cause, - &ett_bssap_service_area_id, - &ett_bssap_global_cn_id, - &ett_bssap_plmn, - }; + module_t *bssap_module; + + /* Setup list of header fields */ + static hf_register_info hf[] = { + { &hf_bssap_pdu_type, + { "Message Type", "bssap.pdu_type", + FT_UINT8, BASE_HEX, VALS(bssap_pdu_type_values), 0x0, + NULL, HFILL}}, + { &hf_bsap_pdu_type, + { "Message Type", "bsap.pdu_type", + FT_UINT8, BASE_HEX, VALS(bsap_pdu_type_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_dlci_cc, + { "Control Channel", "bssap.dlci.cc", + FT_UINT8, BASE_HEX, VALS(bssap_cc_values), CC_MASK, + NULL, HFILL}}, + { &hf_bsap_dlci_cc, + { "Control Channel", "bsap.dlci.cc", + FT_UINT8, BASE_HEX, VALS(bsap_cc_values), CC_MASK, + NULL, HFILL}}, + { &hf_bssap_dlci_spare, + { "Spare", "bssap.dlci.spare", + FT_UINT8, BASE_HEX, NULL, SPARE_MASK, + NULL, HFILL}}, + { &hf_bsap_dlci_rsvd, + { "Reserved", "bsap.dlci.rsvd", + FT_UINT8, BASE_HEX, NULL, SPARE_MASK, + NULL, HFILL}}, + { &hf_bssap_dlci_sapi, + { "SAPI", "bssap.dlci.sapi", + FT_UINT8, BASE_HEX, VALS(bssap_sapi_values), SAPI_MASK, + NULL, HFILL}}, + { &hf_bsap_dlci_sapi, + { "SAPI", "bsap.dlci.sapi", + FT_UINT8, BASE_HEX, VALS(bsap_sapi_values), SAPI_MASK, + NULL, HFILL}}, + { &hf_bssap_length, + { "Length", "bssap.length", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL}}, + + { &hf_bssap_plus_message_type, + { "Message Type", "bssap_plus.msg_type", + FT_UINT8, BASE_DEC, VALS(bssap_plus_message_type_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_plus_ie, + { "IEI", "bssap_plus.iei", + FT_UINT8, BASE_DEC, VALS(bssap_plus_ie_id_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_plus_ie_len, + { "Length indicator", "bssap_plus.iei", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_extension, + { "Extension", "bssap.extension", + FT_BOOLEAN, 8, TFS(&bssap_extension_value), 0x80, + NULL, HFILL }}, + { &hf_bssap_type_of_number, + { "Type of number", "bssap.type_of_number", + FT_UINT8, BASE_HEX, VALS(gsm_a_type_of_number_values), 0x70, + NULL, HFILL }}, + { &hf_bssap_numbering_plan_id, + { "Numbering plan identification", "bssap.number_plan", + FT_UINT8, BASE_HEX, VALS(gsm_a_numbering_plan_id_values), 0x0f, + NULL, HFILL }}, + { &hf_bssap_sgsn_number, + { "SGSN number", "bssap.sgsn_number", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_vlr_number, + { "VLR number", "bssap.vlr_number", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_cell_global_id_ie, + { "Cell global identity IE", "bssap.cell_global_id_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_channel_needed_ie, + { "Channel needed IE", "bssap.cell_global_id_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_dlink_tnl_pld_cntrl_amd_inf_ie, + { "Downlink Tunnel Payload Control and Info IE", "bssap.dlink_tnl_pld_cntrl_amd_inf_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_ulink_tnl_pld_cntrl_amd_inf_ie, + { "Uplink Tunnel Payload Control and Info IE", "bssap.ulink_tnl_pld_cntrl_amd_inf_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_emlpp_prio_ie, + { "eMLPP Priority IE", "bssap.emlpp_prio_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_gprs_erroneous_msg_ie, + { "Erroneous message IE", "bssap.erroneous_msg_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_gprs_loc_upd_type_ie, + { "GPRS location update type IE", "bssap.loc_upd_type_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_Gs_cause_ie, + { "Gs Cause IE", "bssap.Gs_cause_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imei_ie, + { "IMEI IE", "bssap.imei_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imesiv_ie, + { "IMEISV IE", "bssap.imesiv", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imsi_ie, + { "IMSI IE", "bssap.imsi_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imsi_det_from_gprs_serv_type_ie, + { "IMSI detach from GPRS service type IE", "bssap.msi_det_from_gprs_serv_type_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imsi_det_from_non_gprs_serv_type_ie, + { "IMSI detach from non-GPRS service IE", "bssap.msi_det_from_non_gprs_serv_type_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_info_req_ie, + { "Information requested IE", "bssap.info_req_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_loc_area_id_ie, + { "Location area identifier IE", "bssap.loc_area_id_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_loc_inf_age_ie, + { "Location information age IE", "bssap.loc_inf_age_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_mm_information_ie, + { "MM information IE", "bssap.mm_information", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_mobile_id_ie, + { "Mobile identity IE", "bssap.mobile_id_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_mobile_stn_cls_mrk1_ie, + { "Mobile station classmark 1 IE", "bssap.mobile_stn_cls_mrk1_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_mobile_station_state_ie, + { "Mobile station state IE", "bssap.mobile_station_state_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_ptmsi_ie, + { "PTMSI IE", "bssap.ptmsi_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_reject_cause_ie, + { "Reject cause IE", "bssap.reject_cause_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_service_area_id_ie, + { "Service area identification IE", "bssap.mobile_stn_cls_mrk1_ie", + FT_NONE, BASE_NONE, NULL, 0, + "Mobile station classmark 1", HFILL }}, + { &hf_bssap_sgsn_nr_ie, + { "SGSN number IE", "bssap.imsi_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_tmsi_ie, + { "TMSI IE", "bssap.tmsi_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_tmsi_status_ie, + { "TMSI status IE", "bssap.tmsi_status_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_vlr_number_ie, + { "VLR number IE", "bssap.vlr_number_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_global_cn_id_ie, + { "Global CN-Id IE", "bssap.global_cn_id_ie", + FT_NONE, BASE_NONE, NULL, 0, + NULL, HFILL }}, + + { &hf_bssap_plus_ie_data, + { "IE Data", "bssap.ie_data", + FT_BYTES, BASE_NONE, NULL, 0, + NULL, HFILL }}, + + { &hf_bssap_call_priority, + { "eMLPP Priority", "bssap.gprs_loc_upd_type", + FT_UINT8, BASE_DEC, VALS(bssap_call_priority_values), 0x07, + NULL, HFILL}}, + { &hf_bssap_gprs_loc_upd_type, + { "GPRS location update type", "bssap.gprs_loc_upd_type", + FT_UINT8, BASE_DEC, VALS(bssap_plus_GPRS_loc_upd_type_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_Gs_cause, + { "Gs cause", "bssap.gprs_loc_upd_type", + FT_UINT8, BASE_DEC, VALS(bssap_Gs_cause_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_imei, + { "IMEI", "bssap.imei", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imeisv, + { "IMEISV", "bssap.imeisv", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imsi, + { "IMSI", "bssap.imsi", + FT_STRING, BASE_NONE, NULL, 0, + NULL, HFILL }}, + { &hf_bssap_imsi_det_from_gprs_serv_type, + { "IMSI detach from GPRS service type", "bssap.imsi_det_from_gprs_serv_type", + FT_UINT8, BASE_DEC, VALS(bssap_Gs_cause_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_info_req, + { "Information requested", "bssap.info_req", + FT_UINT8, BASE_DEC, VALS(bssap_info_req_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_loc_inf_age, + { "AgeOfLocationInformation in minutes", "bssap.loc_inf_age", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_mobile_station_state, + { "Mobile station state", "bssap.mobile_station_state", + FT_UINT8, BASE_DEC, VALS(bssap_mobile_station_state_values), 0x0, + NULL, HFILL}}, + { &hf_bssap_ptmsi, + { "PTMSI", "bssap.ptmsi", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_tmsi, + { "TMSI", "bssap.tmsi", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_tmsi_status, + { "TMSI status", "bssap.tmsi_status", + FT_BOOLEAN, 8, TFS(&bssap_tmsi_flag), 0x01, + NULL, HFILL }}, + { &hf_bssap_tom_prot_disc, + { "TOM Protocol Discriminator", "bssap.Tom_prot_disc", + FT_UINT8, BASE_DEC, VALS(bssap_tom_prot_disc_values), 0x78, + NULL, HFILL}}, + { &hf_bssap_e_bit, + { "E: Cipher Request", "bssap.tmsi_status", + FT_BOOLEAN, 8, TFS(&bssap_E_flag), 0x04, + NULL, HFILL }}, + { &hf_bssap_tunnel_prio, + { "Tunnel Priority", "bssap.tunnel_prio", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_global_cn_id, + { "Global CN-Id", "bssap.global_cn_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_plmn_id, + { "PLMN-Id", "bssap.plmn_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_cn_id, + { "CN-Id", "bssap.cn_id", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL}}, + { &hf_bssap_cell_global_id, + { "Cell global identity", "bssap.plmn_id", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL}}, + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_bssap, + &ett_bssap_dlci, + &ett_bssap_imsi, + &ett_bssap_imsi_det_from_gprs_serv_type, + &ett_bssap_imsi_det_from_non_gprs_serv_type, + &ett_bssap_info_req, + &ett_bssap_loc_area_id, + &ett_bssap_loc_inf_age, + &ett_bssap_mm_information, + &ett_bssap_mobile_id, + &ett_bssap_sgsn_nr, + &ett_bssap_tmsi, + &ett_bssap_tmsi_status, + &ett_bssap_vlr_number, + &ett_bssap_global_cn, + &ett_bssap_gprs_loc_upd, + &ett_bassp_Gs_cause, + &ett_bassp_imei, + &ett_bassp_imesiv, + &ett_bssap_cell_global_id, + &ett_bssap_cgi, + &ett_bssap_channel_needed, + &ett_bssap_dlink_tnl_pld_cntrl_amd_inf, + &ett_bssap_ulink_tnl_pld_cntrl_amd_inf, + &ett_bssap_emlpp_prio, + &ett_bssap_erroneous_msg, + &ett_bssap_mobile_stn_cls_mrk1, + &ett_bssap_mobile_station_state, + &ett_bssap_ptmsi, + &ett_bssap_reject_cause, + &ett_bssap_service_area_id, + &ett_bssap_global_cn_id, + &ett_bssap_plmn, + }; static enum_val_t gsm_or_lb_interface_options[] = { - { "gsm a", "GSM A", GSM_INTERFACE }, - { "lb", "Lb", LB_INTERFACE }, - { NULL, NULL, 0 } + { "gsm a", "GSM A", GSM_INTERFACE }, + { "lb", "Lb", LB_INTERFACE }, + { NULL, NULL, 0 } }; - static enum_val_t bssap_or_bsap_options[] = { - { "bssap", "BSSAP", BSSAP }, - { "bsap", "BSAP", BSAP }, - { NULL, NULL, 0 } - }; + static enum_val_t bssap_or_bsap_options[] = { + { "bssap", "BSSAP", BSSAP }, + { "bsap", "BSAP", BSAP }, + { NULL, NULL, 0 } + }; - /* Register the protocol name and description */ - proto_bssap = proto_register_protocol("BSSAP/BSAP", "BSSAP", "bssap"); - /*proto_bssap_plus = proto_register_protocol("BSSAP2", "BSSAP2", "bssap2");*/ + /* Register the protocol name and description */ + proto_bssap = proto_register_protocol("BSSAP/BSAP", "BSSAP", "bssap"); + /*proto_bssap_plus = proto_register_protocol("BSSAP2", "BSSAP2", "bssap2");*/ - register_dissector("bssap", dissect_bssap, proto_bssap); + register_dissector("bssap", dissect_bssap, proto_bssap); - /* Required function calls to register the header fields and subtrees used */ - proto_register_field_array(proto_bssap, hf, array_length(hf)); - proto_register_subtree_array(ett, array_length(ett)); + /* Required function calls to register the header fields and subtrees used */ + proto_register_field_array(proto_bssap, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); - bssap_module = prefs_register_protocol(proto_bssap, proto_reg_handoff_bssap); + bssap_module = prefs_register_protocol(proto_bssap, proto_reg_handoff_bssap); - prefs_register_enum_preference(bssap_module, - "bsap_or_bssap", - "Identify to sub-dissector as", - "For the sake of sub-dissectors registering to accept data " - "from the BSSAP/BSAP dissector, this defines whether it is " - "identified as BSSAP or BSAP.", - &bssap_or_bsap_global, - bssap_or_bsap_options, - FALSE); + prefs_register_enum_preference(bssap_module, + "bsap_or_bssap", + "Identify to sub-dissector as", + "For the sake of sub-dissectors registering to accept data " + "from the BSSAP/BSAP dissector, this defines whether it is " + "identified as BSSAP or BSAP.", + &bssap_or_bsap_global, + bssap_or_bsap_options, + FALSE); - prefs_register_enum_preference(bssap_module, + prefs_register_enum_preference(bssap_module, "gsm_or_lb_interface", "Identify the BSSAP interface", "GSM-A is the interface between the BSC and the MSC. Lb is the interface between the BSC and the SMLC.", @@ -2538,34 +2538,34 @@ proto_register_bssap(void) gsm_or_lb_interface_options, FALSE); - prefs_register_uint_preference(bssap_module, "ssn", - "Subsystem number used for BSSAP", - "Set Subsystem number used for BSSAP/BSSAP+", - 10, &global_bssap_ssn); - bssap_dissector_table = register_dissector_table("bssap.pdu_type", "BSSAP Message Type", FT_UINT8, BASE_DEC); - bsap_dissector_table = register_dissector_table("bsap.pdu_type", "BSAP Message Type", FT_UINT8, BASE_DEC); + prefs_register_uint_preference(bssap_module, "ssn", + "Subsystem number used for BSSAP", + "Set Subsystem number used for BSSAP/BSSAP+", + 10, &global_bssap_ssn); + bssap_dissector_table = register_dissector_table("bssap.pdu_type", "BSSAP Message Type", FT_UINT8, BASE_DEC); + bsap_dissector_table = register_dissector_table("bsap.pdu_type", "BSAP Message Type", FT_UINT8, BASE_DEC); } void proto_reg_handoff_bssap(void) { - static gboolean initialized = FALSE; - static dissector_handle_t bssap_plus_handle; - static guint old_bssap_ssn; - - if (!initialized) { - heur_dissector_add("sccp", dissect_bssap_heur, proto_bssap); - heur_dissector_add("sua", dissect_bssap_heur, proto_bssap); - /* BSSAP+ */ - bssap_plus_handle = create_dissector_handle(dissect_bssap_plus, proto_bssap); - - data_handle = find_dissector("data"); - rrlp_handle = find_dissector("rrlp"); - initialized = TRUE; - } else { - dissector_delete("sccp.ssn", old_bssap_ssn, bssap_plus_handle); - } - - dissector_add("sccp.ssn", global_bssap_ssn, bssap_plus_handle); - old_bssap_ssn = global_bssap_ssn; + static gboolean initialized = FALSE; + static dissector_handle_t bssap_plus_handle; + static guint old_bssap_ssn; + + if (!initialized) { + heur_dissector_add("sccp", dissect_bssap_heur, proto_bssap); + heur_dissector_add("sua", dissect_bssap_heur, proto_bssap); + /* BSSAP+ */ + bssap_plus_handle = create_dissector_handle(dissect_bssap_plus, proto_bssap); + + data_handle = find_dissector("data"); + rrlp_handle = find_dissector("rrlp"); + initialized = TRUE; + } else { + dissector_delete("sccp.ssn", old_bssap_ssn, bssap_plus_handle); + } + + dissector_add("sccp.ssn", global_bssap_ssn, bssap_plus_handle); + old_bssap_ssn = global_bssap_ssn; } |