/* 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.
* Added BSSAP+ according to ETSI TS 129 018 V6.3.0 (2005-3GPP TS 29.018 version 6.3.0 Release 6)
* Copyright 2006, Anders Broman <Anders.Broman [AT] ericsson.com>
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <gmodule.h>
+#include "config.h"
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-
-#include <string.h>
-
-#include "epan/packet.h"
+#include <epan/packet.h>
+#include <epan/expert.h>
#include <epan/prefs.h>
-#include <epan/emem.h>
-
#include "packet-bssap.h"
-#include "packet-gsm_a.h"
+#include "packet-gsm_a_common.h"
#include "packet-e212.h"
-static void init_bssap(void);
+void proto_register_bssap(void);
+void proto_reg_handoff_bssap(void);
#define BSSAP 0
#define BSAP 1
+#define GSM_INTERFACE 0
+#define LB_INTERFACE 1
+
#define BSSAP_OR_BSAP_DEFAULT BSSAP
+#define GSM_OR_LB_INTERFACE_DEFAULT GSM_INTERFACE
+
#define PDU_TYPE_OFFSET 0
#define PDU_TYPE_LENGTH 1
/* 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 guint global_bssap_old_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 }
+/* 0 */ { 0x00, "Unassigned: treated as an unknown Message type." },
+/* 1 */ { BSSAP_PAGING_REQUEST, "BSSAP+-PAGING-REQUEST" }, /* 17.1.19 */
+/* 2 */ { BSSAP_PAGING_REJECT, "BSSAP+-PAGING-REJECT" }, /* 17.1.18 */
+/* 3 */ { 0x03, "Unassigned: treated as an unknown Message type." },
+/* 4 */ { 0x04, "Unassigned: treated as an unknown Message type." },
+/* 5 */ { 0x05, "Unassigned: treated as an unknown Message type." },
+/* 6 */ { 0x06, "Unassigned: treated as an unknown Message type." },
+/* 7 */ { BSSAP_DOWNLINK_TUNNEL_REQUEST, "BSSAP+-DOWNLINK-TUNNEL-REQUEST" }, /* 17.1.4 */
+/* 8 */ { BSSAP_UPLINK_TUNNEL_REQUEST, "BSSAP+-UPLINK-TUNNEL-REQUEST" }, /* 17.1.23 */
+/* 9 */ { BSSAP_LOCATION_UPDATE_REQUEST, "BSSAP+-LOCATION-UPDATE-REQUEST" }, /* 17.1.11 */
+/* 10 */ { BSSAP_LOCATION_UPDATE_ACCEPT, "BSSAP+-LOCATION-UPDATE-ACCEPT" }, /* 17.1.9 */
+/* 11 */ { BSSAP_LOCATION_UPDATE_REJECT, "BSSAP+-LOCATION-UPDATE-REJECT" }, /* 17.1.10 */
+/* 12 */ { BSSAP_TMSI_REALLOCATION_COMPLETE, "BSSAP+-TMSI-REALLOCATION-COMPLETE" }, /* 17.1.22 */
+/* 13 */ { BSSAP_ALERT_REQUEST, "BSSAP+-ALERT-REQUEST" }, /* 17.1.3 */
+/* 14 */ { BSSAP_ALERT_ACK, "BSSAP+-ALERT-ACK" }, /* 17.1.1 */
+/* 15 */ { BSSAP_ALERT_REJECT, "BSSAP+-ALERT-REJECT" }, /* 17.1.2 */
+/* 16 */ { BSSAP_MS_ACTIVITY_INDICATION, "BSSAP+-MS-ACTIVITY-INDICATION" }, /* 17.1.14 */
+/* 17 */ { BSSAP_GPRS_DETACH_INDICATION, "BSSAP+-GPRS-DETACH-INDICATION" }, /* 17.1.6 */
+/* 18 */ { BSSAP_GPRS_DETACH_ACK, "BSSAP+-GPRS-DETACH-ACK" }, /* 17.1.5 */
+/* 19 */ { BSSAP_IMSI_DETACH_INDICATION, "BSSAP+-IMSI-DETACH-INDICATION" }, /* 17.1.8 */
+/* 20 */ { BSSAP_IMSI_DETACH_ACK, "BSSAP+-IMSI-DETACH-ACK" }, /* 17.1.7 */
+/* 21 */ { BSSAP_RESET_INDICATION, "BSSAP+-RESET-INDICATION" }, /* 17.1.21 */
+/* 22 */ { BSSAP_RESET_ACK, "BSSAP+-RESET-ACK" }, /* 17.1.20 */
+/* 23 */ { BSSAP_MS_INFORMATION_REQUEST, "BSSAP+-MS-INFORMATION-REQUEST" }, /* 17.1.15 */
+/* 24 */ { BSSAP_MS_INFORMATION_RESPONSE, "BSSAP+-MS-INFORMATION-RESPONSE" }, /* 17.1.16 */
+/* 25 */ { 0x19, "Unassigned: treated as an unknown Message type." },
+/* 26 */ { BSSAP_MM_INFORMATION_REQUEST, "BSSAP+-MM-INFORMATION-REQUEST" }, /* 17.1.12 */
+/* 27 */ { 0x1b, "Unassigned: treated as an unknown Message type." },
+/* 28 */ { 0x1c, "Unassigned: treated as an unknown Message type." },
+/* 29 */ { BSSAP_MOBILE_STATUS, "BSSAP+-MOBILE-STATUS" }, /* 17.1.13 */
+/* 30 */ { 0x1e, "Unassigned: treated as an unknown Message type." },
+/* 31 */ { 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
-
-
-
-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 */
- { 0, NULL }
-};
+static value_string_ext bssap_plus_message_type_values_ext = VALUE_STRING_EXT_INIT(bssap_plus_message_type_values);
+
+#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_ERRONEOUS_MSG 0x1b
+#define BSSAP_DLINK_TNL_PLD_CTR_AND_INF 0x1c
+#define BSSAP_ULINK_TNL_PLD_CTR_AND_INF 0x1d
+#define BSSAP_SERVICE_AREA_ID 0x1e
+#define BSSAP_MSI_BASED_NRI_CON 0x1f
+
+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_MSI_BASED_NRI_CON, "TMSI based NRI container" }, /* 18.4.28 */
+ { 0, NULL }
+};
+static value_string_ext bssap_plus_ie_id_values_ext = VALUE_STRING_EXT_INIT(bssap_plus_ie_id_values);
/* Initialize the protocol and registered fields */
static int proto_bssap = -1;
-/*static int proto_bssap_plus = -1;*/
+static int proto_bssap_plus = -1;
static int hf_bssap_pdu_type = -1;
static int hf_bsap_pdu_type = -1;
static int hf_bssap_dlci_cc = -1;
static int hf_bssap_plus_ie_data = -1;
static int hf_bssap_extension = -1;
-static int hf_bssap_type_of_number = -1;
+static int hf_bssap_type_of_number = -1;
static int hf_bssap_numbering_plan_id = -1;
static int hf_bssap_sgsn_number = -1;
-static int hf_bssap_vlr_number = -1;
+/* static int hf_bssap_vlr_number = -1; */
static int hf_bssap_call_priority = -1;
static int hf_bssap_gprs_loc_upd_type_ie = -1;
static int hf_bssap_Gs_cause_ie = -1;
static int hf_bssap_Gs_cause = -1;
static int hf_bssap_imei = -1;
static int hf_bssap_imeisv = -1;
-static int hf_bssap_imsi = -1;
static int hf_bssap_imsi_det_from_gprs_serv_type = -1;
static int hf_bssap_info_req = -1;
static int hf_bssap_loc_inf_age = -1;
static int hf_bssap_plmn_id = -1;
static int hf_bssap_cn_id = -1;
static int hf_bssap_cell_global_id = -1;
+static int hf_bssap_extraneous_data = -1;
+static int hf_bssap_conditional_ie = -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;
static gint ett_bssap_global_cn_id = -1;
static gint ett_bssap_plmn = -1;
+static expert_field ei_bssap_unknown_message = EI_INIT;
+static expert_field ei_bssap_unknown_parameter = EI_INIT;
+static expert_field ei_bssap_mandatory_ie = EI_INIT;
+
+
static dissector_handle_t data_handle;
static dissector_handle_t rrlp_handle;
-static dissector_handle_t bssap_plus_handle;
static dissector_table_t bssap_dissector_table;
static dissector_table_t bsap_dissector_table;
+static dissector_handle_t gsm_bssmap_le_dissector_handle;
+static dissector_handle_t gsm_a_bssmap_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 void
-dissect_bssap_unknown_message(tvbuff_t *message_tvb, proto_tree *bssap_tree)
-{
- guint32 message_length;
-
- 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"));
-}
-
-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"));
-}
+static gint gsm_or_lb_interface_global = GSM_OR_LB_INTERFACE_DEFAULT;
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, struct _sccp_msg_info_t* sccp_info)
{
if ((pdu_type <= 0x01))
{
- if (bssap_or_bsap_global == BSSAP)
- {
- /* BSSAP */
- if (dissector_try_port(bssap_dissector_table, pdu_type, tvb, pinfo, tree)) return;
- }
- else
- {
- /* BSAP */
- if (dissector_try_port(bsap_dissector_table, pdu_type, tvb, pinfo, tree)) return;
- }
+ if (bssap_or_bsap_global == BSSAP)
+ {
+ /* BSSAP */
+ if((gsm_or_lb_interface_global == LB_INTERFACE) && (pdu_type == BSSAP_PDU_TYPE_BSSMAP))
+ {
+ call_dissector_with_data(gsm_bssmap_le_dissector_handle, tvb, pinfo, tree, sccp_info);
+
+ return;
+ }
+ else if((gsm_or_lb_interface_global == GSM_INTERFACE) && (pdu_type == BSSAP_PDU_TYPE_BSSMAP))
+ {
+ call_dissector_with_data(gsm_a_bssmap_dissector_handle, tvb, pinfo, tree, sccp_info);
+
+ return;
+ }
+ else
+ {
+ if (dissector_try_uint_new(bssap_dissector_table, pdu_type, tvb, pinfo, tree, TRUE, sccp_info)) return;
+ }
+ }
+ else
+ {
+ /* BSAP */
+ if (dissector_try_uint_new(bsap_dissector_table, pdu_type, tvb, pinfo, tree, TRUE, sccp_info))
+ return;
+ }
}
- /* No sub-dissection occured, treat it as raw data */
+ /* No sub-dissection occurred, 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;
+ proto_tree *dlci_tree;
+ 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);
+ dlci_tree =
+ proto_tree_add_subtree(tree, tvb, 0, length,
+ ett_bssap_dlci, NULL, "Data Link Connection Identifier");
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);
+ 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_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);
*/
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, struct _sccp_msg_info_t* sccp_info)
{
tvbuff_t *parameter_tvb;
- parameter_tvb = tvb_new_subset(tvb, offset, parameter_length, parameter_length);
+ parameter_tvb = tvb_new_subset_length(tvb, offset, parameter_length);
switch (parameter_type)
{
case PARAMETER_DLCI:
- dissect_bssap_dlci_param(parameter_tvb, bssap_tree, parameter_length);
- break;
+ 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;
+ 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;
+ dissect_bssap_data_param(parameter_tvb, pinfo, bssap_tree, tree, sccp_info);
+ break;
default:
- dissect_bssap_unknown_param(parameter_tvb, bssap_tree, parameter_type,
- parameter_length);
- break;
+ proto_tree_add_expert_format(bssap_tree, pinfo, &ei_bssap_unknown_parameter, parameter_tvb, 0, parameter_length,
+ "Unknown parameter 0x%x (%u byte%s)", parameter_type, parameter_length, plurality(parameter_length, "", "s"));
+ break;
}
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, struct _sccp_msg_info_t* sccp_info)
{
- guint16 parameter_length;
- guint8 length_length;
+ guint16 parameter_length;
+ guint8 length_length;
parameter_length = tvb_get_guint8(tvb, offset);
length_length = LENGTH_LENGTH;
offset += length_length;
dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree, parameter_type,
- offset, parameter_length);
+ offset, parameter_length, sccp_info);
return(parameter_length + length_length);
}
-static void
+static int
dissect_bssap_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bssap_tree,
- proto_tree *tree)
+ proto_tree *tree, struct _sccp_msg_info_t* sccp_info)
{
- gint offset = 0;
+ gint offset;
+ proto_item* type_item;
/*
* 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);
- }
+ /*
+ * add the message type to the protocol tree
+ */
+ type_item = 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;
+ offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree,
+ PARAMETER_LENGTH, offset,
+ LENGTH_LENGTH, sccp_info);
+ offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree,
+ PARAMETER_DATA,
+ (offset - LENGTH_LENGTH), sccp_info);
+ 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;
+ offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree,
+ PARAMETER_DLCI,
+ offset, DLCI_LENGTH, sccp_info);
+ offset += dissect_bssap_parameter(tvb, pinfo, bssap_tree, tree,
+ PARAMETER_LENGTH, offset,
+ LENGTH_LENGTH, sccp_info);
+ offset += dissect_bssap_var_parameter(tvb, pinfo, bssap_tree, tree,
+ PARAMETER_DATA,
+ (offset - LENGTH_LENGTH), sccp_info);
+ 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"));
+ {
+ guint32 message_length;
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",
+ val_to_str_const(pdu_type,
+ ((bssap_or_bsap_global == BSSAP) ?
+ bssap_pdu_type_acro_values : bsap_pdu_type_acro_values),
+ "Unknown"));
- }
+ message_length = tvb_reported_length(tvb);
- dissect_bssap_unknown_message(tvb, bssap_tree);
- break;
+ expert_add_info_format(pinfo, type_item, &ei_bssap_unknown_message, "Unknown message (%u byte%s)",
+ message_length, plurality(message_length, "", "s"));
+ }
+ break;
}
+ return offset;
}
-static void
-dissect_bssap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+static int
+dissect_bssap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
- proto_item *bssap_item;
- proto_tree *bssap_tree = NULL;
+ proto_item *bssap_item;
+ proto_tree *bssap_tree;
+ struct _sccp_msg_info_t* sccp_info = (struct _sccp_msg_info_t*)data;
/*
* 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"));
- }
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, ((bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP"));
+
+ if (sccp_info && sccp_info->data.co.assoc )
+ sccp_info->data.co.assoc->payload = SCCP_PLOAD_BSSAP;
/*
* create the bssap protocol tree
*/
- proto_tree_add_item_hidden(tree, proto_bssap, tvb, 0, -1, FALSE);
- bssap_item = proto_tree_add_text(tree, tvb, 0, -1, (bssap_or_bsap_global == BSSAP) ? "BSSAP" : "BSAP");
+ bssap_item = proto_tree_add_protocol_format(tree, proto_bssap, 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);
+ return dissect_bssap_message(tvb, pinfo, bssap_tree, tree, sccp_info);
}
-/*
+/*
* BSSAP+ Routines
*/
-typedef struct dgt_set_t
-{
- unsigned char out[15];
-}
-dgt_set_t;
-
#ifdef REMOVED
static dgt_set_t Dgt_tbcd = {
{
/* 0 1 2 3 4 5 6 7 8 9 a b c d e */
- '0','1','2','3','4','5','6','7','8','9','?','B','C','*','#'
+ '0','1','2','3','4','5','6','7','8','9','?','B','C','*','#','?'
}
};
#endif
-static dgt_set_t Dgt1_9_bcd = {
- {
- /* 0 1 2 3 4 5 6 7 8 9 a b c d e */
- '0','1','2','3','4','5','6','7','8','9','?','?','?','?','?'
+static gboolean
+check_ie(tvbuff_t *tvb, packet_info *pinfo, 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_expert_format(tree, pinfo, &ei_bssap_mandatory_ie, tvb, *offset, 1, "Mandatory IE %s expected but IE %s Found",
+ val_to_str_ext(expected_ie, &bssap_plus_ie_id_values_ext, "Unknown %u"),
+ val_to_str_ext(ie_type, &bssap_plus_ie_id_values_ext, "Unknown %u"));
+ (*offset)++;
+ ie_len = tvb_get_guint8(tvb, *offset);
+ *offset = *offset + ie_len;
+ return FALSE;
}
-};
-/* Assumes the rest of the tvb contains the digits to be turned into a string
- */
-static 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;
-
- length = tvb_length(tvb);
- if (length < offset)
- return "";
- digit_str = ep_alloc((length - offset)*2+1);
-
- while ( offset < length ){
-
- 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;
-
- if (octet == 0x0f) /* odd number bytes - hit filler */
- break;
-
- digit_str[i] = dgt->out[octet & 0x0f];
- i++;
- offset++;
-
- }
- 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;
- }
-
- return TRUE;
+ return TRUE;
}
static gboolean
-check_optional_ie(tvbuff_t *tvb, int offset, guint8 expected_ie){
- guint8 ie_type;
+check_optional_ie(tvbuff_t *tvb, int offset, guint8 expected_ie)
+{
+ 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;
}
/* 18.4.1 Cell global identity */
static int
-dissect_bssap_cell_global_id(tvbuff_t *tvb, proto_tree *tree, int offset)
+dissect_bssap_cell_global_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ proto_item *cgi_item;
+ proto_tree *cgi_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_NA);
+ 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, pinfo, 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, pinfo, 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)
+dissect_bssap_channel_needed(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_channel_needed);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+
+ /* 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, ENC_BIG_ENDIAN);
+ /* Tunnel payload */
+ next_tvb = tvb_new_subset_length(tvb, offset, 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;
}
/* 18.4.4 eMLPP Priority */
/* Call priority */
-static const value_string bssap_call_priority_values[] = {
+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" },
- { 0, NULL }
+ { 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" },
+ { 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_emlpp_prio);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+
+ 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;
+ proto_tree *ie_tree;
+ guint8 ie_len;
- 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_len = tvb_get_guint8(tvb, offset+1);
+ item = proto_tree_add_item(tree, hf_bssap_gprs_erroneous_msg_ie, tvb, offset, ie_len+2, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_erroneous_msg);
- /* Erroneous message including the message type. */
- 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
- return offset + ie_len;
+ /* Erroneous message including the message type. */
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, ENC_NA);
+
+ return offset + ie_len;
}
-static const value_string bssap_plus_GPRS_loc_upd_type_values[] = {
+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" },
- { 0, NULL }
-};
+ { 0x01, "IMSI attach" },
+ { 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+
+ /* GPRS location update type value (octet 3) */
+ proto_tree_add_item(ie_tree, hf_bssap_gprs_loc_upd_type, tvb, offset, ie_len, ENC_BIG_ENDIAN);
+
+ 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 }
-};
+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 }
+};
/* 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ /* Gs Cause value (octet 3) */
+ proto_tree_add_item(ie_tree, hf_bssap_Gs_cause, tvb, offset, ie_len, ENC_BIG_ENDIAN);
- 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;
- 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bassp_imei);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_length(tvb, offset, ie_len);
+ digit_str = tvb_bcd_dig_to_wmem_packet_str(ie_tvb, 0, -1, NULL, 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;
- 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bassp_imesiv);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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_length(tvb, offset, ie_len);
+ digit_str = tvb_bcd_dig_to_wmem_packet_str(ie_tvb, 0, -1, NULL, FALSE);
+ proto_tree_add_string(ie_tree, hf_bssap_imeisv, ie_tvb, 0, -1, digit_str);
+
+ return offset + ie_len;
}
-/* 18.4.10 IMSI
- * The IMSI is coded as a sequence of BCD digits, compressed two into each octet.
+/* 18.4.10 IMSI
+ * The IMSI is coded as a sequence of BCD digits, compressed two into each octet.
* This is a variable length element, and includes a length indicator.
* The IMSI is defined in 3GPP TS 23.003. It shall not exceed 15 digits (see 3GPP TS 23.003).
*/
static int
-dissect_bssap_imsi(tvbuff_t *tvb, proto_tree *tree, int offset)
+dissect_bssap_imsi(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, int offset)
{
- proto_item *item = NULL;
- proto_tree *ie_tree = NULL;
- guint8 ie_len;
- tvbuff_t *ie_tvb;
- 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;
+ proto_tree *ie_tree;
+ guint8 ie_len;
+ tvbuff_t *ie_tvb;
+
+ ie_len = tvb_get_guint8(tvb, offset+1);
+ item = proto_tree_add_item(tree, hf_bssap_imsi_ie, tvb, offset, ie_len+2, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_imsi);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ ie_tvb = tvb_new_subset_length(tvb, offset, ie_len);
+ dissect_e212_imsi(ie_tvb, pinfo, tree, 0, ie_len, TRUE);
+
+ return offset + ie_len;
}
-static const value_string bssap_imsi_det_from_gprs_serv_type_values[] = {
- { 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 }
-};
+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" },
+ { 0, NULL }
+};
/* 18.4.11 IMSI detach from GPRS service type */
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;
+ proto_tree *ie_tree;
+ guint8 ie_len;
- 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);
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
- 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_data, tvb, offset, ie_len, ENC_NA);
- 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" },
- { 0, NULL }
-};
+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" },
+ { 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;
+ proto_tree *ie_tree;
+ guint8 ie_len;
- 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);
+ ie_len = tvb_get_guint8(tvb, offset+1);
+ item = proto_tree_add_item(tree, hf_bssap_info_req_ie, tvb, offset, ie_len+2, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_info_req);
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ /*Information requested value (octet 3) */
+ proto_tree_add_item(ie_tree, hf_bssap_info_req, tvb, offset, ie_len, ENC_BIG_ENDIAN);
- 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)
+dissect_bssap_loc_area_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+
+
+ return offset + ie_len;
}
/* 18.4.16 MM information */
static int
-dissect_bssap_MM_information(tvbuff_t *tvb, proto_tree *tree, int offset)
+dissect_bssap_MM_information(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_mm_information);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, 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)
+dissect_bssap_mobile_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_mobile_id);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, 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)
+dissect_bssap_mobile_stn_cls_mrk1(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, 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" },
- { 0, NULL }
+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" },
+ { 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ /* Mobile station state value (octet 3) */
+ proto_tree_add_item(ie_tree, hf_bssap_mobile_station_state, tvb, offset, ie_len, ENC_BIG_ENDIAN);
+
+ 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_ptmsi);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_NA);
+
+ return offset + ie_len;
}
/* 18.4.21 Reject cause */
static int
-dissect_bssap_reject_cause(tvbuff_t *tvb, proto_tree *tree, int offset)
+dissect_bssap_reject_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_reject_cause);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, pinfo, offset, ie_len, NULL, 0);
+
+ return offset + ie_len;
}
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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_NA);
+
+ return offset + ie_len;
}
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;
- 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_sgsn_nr);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+ proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ number_tvb = tvb_new_subset_length(tvb, offset, ie_len-1);
+ digit_str = tvb_bcd_dig_to_wmem_packet_str(number_tvb, 0, -1, NULL, 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_tmsi);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_NA);
+
+
+ return offset + ie_len;
}
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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ /* TMSI flag (octet 3) */
+ proto_tree_add_item(ie_tree, hf_bssap_tmsi_status, tvb, offset, ie_len, ENC_BIG_ENDIAN);
- return offset + ie_len;
+ return offset + ie_len;
}
/* 18.4.25 Uplink Tunnel Payload Control and Info */
"SGSN did not receive the payload in ciphered form"
};
/* 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" },
- { 0, NULL }
+static const value_string bssap_tom_prot_disc_values[] = {
+ { 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ 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, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+
+ /* 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, ENC_BIG_ENDIAN);
+ /* Tunnel payload */
+ next_tvb = tvb_new_subset_length(tvb, offset, 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;
}
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;
- 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;
+ proto_tree *ie_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_vlr_number);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_BIG_ENDIAN);
+ proto_tree_add_item(ie_tree, hf_bssap_type_of_number, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(ie_tree, hf_bssap_numbering_plan_id, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ number_tvb = tvb_new_subset_length(tvb, offset, ie_len - 1);
+ digit_str = tvb_bcd_dig_to_wmem_packet_str(number_tvb, 0, -1, NULL, 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, proto_tree *tree, int offset)
+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, plmn_tree, offset);
- 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;
+ proto_tree *ie_tree;
+ proto_item *plmn_item;
+ proto_tree *plmn_tree;
+ proto_item *global_cn_id_item;
+ proto_tree *global_cn_id_tree;
+ 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, ENC_NA);
+ ie_tree = proto_item_add_subtree(item, ett_bssap_global_cn);
+
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+ proto_tree_add_item(ie_tree, hf_bssap_plus_ie_len, tvb, offset, 1, ENC_BIG_ENDIAN);
+ 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, ENC_NA);
+ 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, ENC_NA);
+ plmn_tree = proto_item_add_subtree(plmn_item, ett_bssap_plmn);
+ dissect_e212_mcc_mnc(tvb, pinfo, plmn_tree, offset, E212_NONE, 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, ENC_BIG_ENDIAN);
+ offset = offset+2;
+
+ return offset;
}
-static void dissect_bssap_plus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+static int dissect_bssap_plus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
- proto_item *bssap_item;
- proto_tree *bssap_tree = NULL;
- guint8 message_type;
- int offset = 0;
+ proto_item *bssap_item;
+ proto_tree *bssap_tree;
+ guint8 message_type;
+ int offset = 0;
+ struct _sccp_msg_info_t* sccp_info = (struct _sccp_msg_info_t*)data;
/*
* Make entry in the Protocol column on summary display
*/
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- {
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "BSSAP+");
- }
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "BSSAP+");
+
+ if (sccp_info && sccp_info->data.co.assoc)
+ 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_item = proto_tree_add_item(tree, proto_bssap, tvb, 0, -1, ENC_NA);
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_set_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, 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;
-
- 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);
- return;
- 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);
- return;
- 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, ENC_BIG_ENDIAN);
+ offset++;
+
+ col_add_str(pinfo->cinfo, COL_INFO, val_to_str_ext(message_type, &bssap_plus_message_type_values_ext, "Unknown %u"));
+
+ switch (message_type) {
+ case BSSAP_PAGING_REQUEST:
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* VLR number VLR number 18.4.26 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_VLR_NUMBER))
+ offset = dissect_bssap_vlr_number(tvb, bssap_tree, offset);
+
+ /* End of mandatory elements */
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_PAGING_REJECT: /* 17.1.18 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+ /* Gs Cause Gs Cause 18.4.7 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_GS_CAUSE))
+ offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_DOWNLINK_TUNNEL_REQUEST: /* 17.1.4 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* VLR number VLR number 18.4.26 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, 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, pinfo, 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_UPLINK_TUNNEL_REQUEST: /* 17.1.23 */
+ /* SGSN number 18.4.22 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, 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, pinfo, 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ 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, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* SGSN number SGSN number 18.4.22 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, 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, pinfo, 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, pinfo, tree, &offset, BSSAP_CELL_GBL_ID))
+ offset = dissect_bssap_cell_global_id(tvb, bssap_tree, pinfo, offset);
+
+ /* Mobile station classmark Mobile station classmark 1 18.4.18 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_MOBILE_STN_CLS_MRK1))
+ offset = dissect_bssap_mobile_stn_cls_mrk1(tvb, bssap_tree, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_LOCATION_UPDATE_ACCEPT: /* 17.1.9 */
+ /* IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* Location area identifier Location area identifier 18.4.14 M TLV 7 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_LOC_AREA_ID))
+ offset = dissect_bssap_loc_area_id(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_LOCATION_UPDATE_REJECT: /* 17.1.10 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+ /* Reject cause Reject cause 18.4.21 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_REJECT_CAUSE))
+ offset = dissect_bssap_reject_cause(tvb, bssap_tree, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_TMSI_REALLOCATION_COMPLETE: /* 17.1.22 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_ALERT_REQUEST: /* 17.1.3 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_ALERT_ACK: /* 17.1.1 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_ALERT_REJECT: /* 17.1.2 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* Gs Cause Gs Cause 18.4.7 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_GS_CAUSE))
+ offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MS_ACTIVITY_INDICATION: /* 17.1.14 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_GPRS_DETACH_INDICATION: /* 17.1.6 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* SGSN number SGSN number 18.4.22 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, 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, pinfo, tree, &offset, BSSAP_IMSI_DET_FROM_GPRS_SERV_TYPE))
+ offset = dissect_bssap_imsi_det_from_gprs_serv_type(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_GPRS_DETACH_ACK: /* 17.1.5 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_IMSI_DETACH_INDICATION: /* 17.1.8 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* SGSN number SGSN number 18.4.22 M TLV 5-11 */
+ if (check_ie(tvb, pinfo, 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, pinfo, 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_IMSI_DETACH_ACK: /* 17.1.7 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ }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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ }
+ }
+ proto_tree_add_item(tree, hf_bssap_conditional_ie, tvb, offset, -1, ENC_NA);
+ 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ }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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ }
+ }
+ proto_tree_add_item(tree, hf_bssap_conditional_ie, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MS_INFORMATION_REQUEST: /* 17.1.15 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* Information requested Information requested 18.4.13 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_INFO_REQ))
+ offset = dissect_bssap_info_req(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MS_INFORMATION_RESPONSE: /* 17.1.16 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+
+ /* 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_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MM_INFORMATION_REQUEST: /* 17.1.12 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ /* 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, pinfo, offset);
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MOBILE_STATUS: /* 17.1.13 */
+ /* IMSI IMSI 18.4.10 O TLV 6-10 */
+ if (check_optional_ie(tvb, offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+ /* Gs Cause Gs Cause 18.4.7 M TLV 3 */
+ if (check_ie(tvb, pinfo, 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, pinfo, tree, &offset, BSSAP_ERRONEOUS_MSG))
+ offset = dissect_bssap_gprs_erroneous_msg(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ case BSSAP_MS_UNREACHABLE: /* 17.1.17 */
+ /* IMSI IMSI 18.4.10 M TLV 6-10 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_IMSI))
+ offset = dissect_bssap_imsi(tvb, bssap_tree, pinfo, offset);
+
+ /* Gs Cause Gs Cause 18.4.7 M TLV 3 */
+ if (check_ie(tvb, pinfo, tree, &offset, BSSAP_GS_CAUSE))
+ offset = dissect_bssap_Gs_cause(tvb, bssap_tree, offset);
+
+ if (tvb_reported_length_remaining(tvb, offset) <= 0)
+ return tvb_reported_length(tvb);
+ proto_tree_add_item(tree, hf_bssap_extraneous_data, tvb, offset, -1, ENC_NA);
+ break;
+ default:
+ break;
+ }
+
+ return tvb_reported_length(tvb);
}
static gboolean
-dissect_bssap_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+dissect_bssap_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
/* Is it a BSSAP/BSAP packet?
* If octet_1 == 0x00 and octet_2 == length(tvb) - 2
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;
+ if (tvb_get_guint8(tvb, 1) != (tvb_reported_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;
+ if (tvb_get_guint8(tvb, 2) != (tvb_reported_length(tvb) - 3)) {
+ return(FALSE);
+ }
+ break;
default:
- return(FALSE);
+ return(FALSE);
}
- dissect_bssap(tvb, pinfo, tree);
+ dissect_bssap(tvb, pinfo, tree, data);
return(TRUE);
}
void
proto_register_bssap(void)
{
- module_t *bssap_module;
+ module_t *bssap_module;
+ expert_module_t* expert_bssap;
/* 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,
- "", HFILL}},
- { &hf_bsap_pdu_type,
- { "Message Type", "bsap.pdu_type",
- FT_UINT8, BASE_HEX, VALS(bsap_pdu_type_values), 0x0,
- "", HFILL}},
- { &hf_bssap_dlci_cc,
- { "Control Channel", "bssap.dlci.cc",
- FT_UINT8, BASE_HEX, VALS(bssap_cc_values), CC_MASK,
- "", HFILL}},
- { &hf_bsap_dlci_cc,
- { "Control Channel", "bsap.dlci.cc",
- FT_UINT8, BASE_HEX, VALS(bsap_cc_values), CC_MASK,
- "", HFILL}},
- { &hf_bssap_dlci_spare,
- { "Spare", "bssap.dlci.spare",
- FT_UINT8, BASE_HEX, NULL, SPARE_MASK,
- "", HFILL}},
- { &hf_bsap_dlci_rsvd,
- { "Reserved", "bsap.dlci.rsvd",
- FT_UINT8, BASE_HEX, NULL, SPARE_MASK,
- "", HFILL}},
- { &hf_bssap_dlci_sapi,
- { "SAPI", "bssap.dlci.sapi",
- FT_UINT8, BASE_HEX, VALS(bssap_sapi_values), SAPI_MASK,
- "", HFILL}},
- { &hf_bsap_dlci_sapi,
- { "SAPI", "bsap.dlci.sapi",
- FT_UINT8, BASE_HEX, VALS(bsap_sapi_values), SAPI_MASK,
- "", HFILL}},
- { &hf_bssap_length,
- { "Length", "bssap.length",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "", HFILL}},
-
- { &hf_bssap_plus_message_type,
- { "Message Type", "bssap_plus.msg_type",
- FT_UINT8, BASE_DEC, VALS(bssap_plus_message_type_values), 0x0,
- "Message Type", HFILL}},
- { &hf_bssap_plus_ie,
- { "IEI", "bssap_plus.iei",
- FT_UINT8, BASE_DEC, VALS(bssap_plus_ie_id_values), 0x0,
- "", HFILL}},
- { &hf_bssap_plus_ie_len,
- { "Length indicator", "bssap_plus.iei",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Length indicator", HFILL}},
- { &hf_bssap_extension,
- { "Extension", "bssap.extension",
- FT_BOOLEAN, 8, TFS(&bssap_extension_value), 0x80,
- "Extension", 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,
- "Type of number", HFILL }},
- { &hf_bssap_numbering_plan_id,
- { "Numbering plan identification", "bssap.number_plan",
- FT_UINT8, BASE_HEX, VALS(gsm_a_numbering_plan_id_values), 0x0f,
- "Numbering plan identification", HFILL }},
- { &hf_bssap_sgsn_number,
- { "SGSN number", "bssap.sgsn_number",
- FT_STRING, BASE_NONE, NULL, 0,
- "SGSN number", HFILL }},
- { &hf_bssap_vlr_number,
- { "VLR number", "bssap.vlr_number",
- FT_STRING, BASE_NONE, NULL, 0,
- "VLR number", HFILL }},
- { &hf_bssap_cell_global_id_ie,
- { "Cell global identity IE", "bssap.cell_global_id_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Cell global identity IE", HFILL }},
- { &hf_bssap_channel_needed_ie,
- { "Channel needed IE", "bssap.cell_global_id_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Channel needed IE", 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,
- "Downlink Tunnel Payload Control and Info IE", 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,
- "Uplink Tunnel Payload Control and Info IE", HFILL }},
- { &hf_bssap_emlpp_prio_ie,
- { "eMLPP Priority IE", "bssap.emlpp_prio_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "eMLPP Priority IE", HFILL }},
- { &hf_bssap_gprs_erroneous_msg_ie,
- { "Erroneous message IE", "bssap.erroneous_msg_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Erroneous message IE", HFILL }},
- { &hf_bssap_gprs_loc_upd_type_ie,
- { "GPRS location update type IE", "bssap.loc_upd_type_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "GPRS location update type IE", HFILL }},
- { &hf_bssap_Gs_cause_ie,
- { "Gs Cause IE", "bssap.Gs_cause_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Gs Cause IE", HFILL }},
- { &hf_bssap_imei_ie,
- { "IMEI IE", "bssap.imei_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "IMEI IE", HFILL }},
- { &hf_bssap_imesiv_ie,
- { "IMEISV IE", "bssap.imesiv",
- FT_NONE, BASE_NONE, NULL, 0,
- "IMEISV IE", HFILL }},
- { &hf_bssap_imsi_ie,
- { "IMSI IE", "bssap.imsi_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "IMSI IE", 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,
- "IMSI detach from GPRS service type IE", HFILL }},
- { &hf_bssap_imsi_det_from_non_gprs_serv_type_ie,
- { "IMSI detach from non-GPRS servic IE", "bssap.msi_det_from_non_gprs_serv_type_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "IMSI detach from non-GPRS servic IE", HFILL }},
- { &hf_bssap_info_req_ie,
- { "Information requested IE", "bssap.info_req_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Information requested IE", HFILL }},
- { &hf_bssap_loc_area_id_ie,
- { "Location area identifier IE", "bssap.loc_area_id_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Location area identifier IE", HFILL }},
- { &hf_bssap_loc_inf_age_ie,
- { "Location information age IE", "bssap.loc_inf_age",
- FT_NONE, BASE_NONE, NULL, 0,
- "Location information age IE", HFILL }},
- { &hf_bssap_mm_information_ie,
- { "MM information IE", "bssap.mm_information",
- FT_NONE, BASE_NONE, NULL, 0,
- "MM information IE", HFILL }},
- { &hf_bssap_mobile_id_ie,
- { "Mobile identity IE", "bssap.mobile_id_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Mobile identity IE", 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,
- "Mobile station classmark 1 IE", HFILL }},
- { &hf_bssap_mobile_station_state_ie,
- { "Mobile station state IE", "bssap.mobile_station_state_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Mobile station state IE", HFILL }},
- { &hf_bssap_ptmsi_ie,
- { "PTMSI IE", "bssap.ptmsi_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "PTMSI IE", HFILL }},
- { &hf_bssap_reject_cause_ie,
- { "Reject cause IE", "bssap.reject_cause_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Reject cause IE", 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,
- "SGSN number IE", HFILL }},
- { &hf_bssap_tmsi_ie,
- { "TMSI IE", "bssap.tmsi_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "TMSI IE", HFILL }},
- { &hf_bssap_tmsi_status_ie,
- { "TMSI status IE", "bssap.tmsi_status_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "TMSI status IE", HFILL }},
- { &hf_bssap_vlr_number_ie,
- { "VLR number IE", "bssap.vlr_number_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "VLR number IE", HFILL }},
- { &hf_bssap_global_cn_id_ie,
- { "Global CN-Id IE", "bssap.global_cn_id_ie",
- FT_NONE, BASE_NONE, NULL, 0,
- "Global CN-Id IE", HFILL }},
-
- { &hf_bssap_plus_ie_data,
- { "IE Data", "bssap.ie_data",
- FT_BYTES, BASE_NONE, NULL, 0,
- "IE Data", HFILL }},
-
- { &hf_bssap_call_priority,
- { "eMLPP Priority", "bssap.gprs_loc_upd_type",
- FT_UINT8, BASE_DEC, VALS(bssap_call_priority_values), 0x07,
- "eMLPP Priority", 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,
- "GPRS location update type", HFILL}},
- { &hf_bssap_Gs_cause,
- { "Gs cause", "bssap.gprs_loc_upd_type",
- FT_UINT8, BASE_DEC, VALS(bssap_Gs_cause_values), 0x0,
- "Gs cause", HFILL}},
- { &hf_bssap_imei,
- { "IMEI", "bssap.imei",
- FT_STRING, BASE_NONE, NULL, 0,
- "IMEI", HFILL }},
- { &hf_bssap_imeisv,
- { "IMEISV", "bssap.imeisv",
- FT_STRING, BASE_NONE, NULL, 0,
- "IMEISV", HFILL }},
- { &hf_bssap_imsi,
- { "IMSI", "bssap.imsi",
- FT_STRING, BASE_NONE, NULL, 0,
- "IMSI", 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,
- "IMSI detach from GPRS service type", HFILL}},
- { &hf_bssap_info_req,
- { "Information requested", "bssap.info_req",
- FT_UINT8, BASE_DEC, VALS(bssap_info_req_values), 0x0,
- "Information requested", HFILL}},
- { &hf_bssap_loc_inf_age,
- { "AgeOfLocationInformation in minutes", "bssap.loc_inf_age",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "AgeOfLocationInformation in minutes", HFILL}},
- { &hf_bssap_mobile_station_state,
- { "Mobile station state", "bssap.mobile_station_state",
- FT_UINT8, BASE_DEC, VALS(bssap_mobile_station_state_values), 0x0,
- "Mobile station state", HFILL}},
- { &hf_bssap_ptmsi,
- { "PTMSI", "bssap.ptmsi",
- FT_BYTES, BASE_HEX, NULL, 0x0,
- "PTMSI", HFILL}},
- { &hf_bssap_tmsi,
- { "TMSI", "bssap.tmsi",
- FT_BYTES, BASE_HEX, NULL, 0x0,
- "TMSI", HFILL}},
- { &hf_bssap_tmsi_status,
- { "TMSI status", "bssap.tmsi_status",
- FT_BOOLEAN, 8, TFS(&bssap_tmsi_flag), 0x01,
- "TMSI status", HFILL }},
- { &hf_bssap_tom_prot_disc,
- { "TOM Protocol Discriminator", "bssap.Tom_prot_disc",
- FT_UINT8, BASE_DEC, VALS(bssap_tom_prot_disc_values), 0x78,
- "TOM Protocol Discriminator", HFILL}},
- { &hf_bssap_e_bit,
- { "E: Cipher Request", "bssap.tmsi_status",
- FT_BOOLEAN, 8, TFS(&bssap_E_flag), 0x04,
- "E: Cipher Request", HFILL }},
- { &hf_bssap_tunnel_prio,
- { "Tunnel Priority", "bssap.tunnel_prio",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Tunnel Priority", HFILL}},
- { &hf_bssap_global_cn_id,
- { "Global CN-Id", "bssap.global_cn_id",
- FT_BYTES, BASE_HEX, NULL, 0x0,
- "Global CN-Id", HFILL}},
- { &hf_bssap_plmn_id,
- { "PLMN-Id", "bssap.plmn_id",
- FT_BYTES, BASE_HEX, NULL, 0x0,
- "PLMN-Id", HFILL}},
- { &hf_bssap_cn_id,
- { "CN-Id", "bssap.cn_id",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "CN-Id", HFILL}},
- { &hf_bssap_cell_global_id,
- { "Cell global identity", "bssap.plmn_id",
- FT_BYTES, BASE_HEX, NULL, 0x0,
- "Cell global identity", HFILL}},
- };
+ { &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 | BASE_EXT_STRING, &bssap_plus_message_type_values_ext, 0x0,
+ NULL, HFILL}},
+
+ { &hf_bssap_plus_ie,
+ { "IEI", "bssap_plus.iei",
+ FT_UINT8, BASE_DEC | BASE_EXT_STRING, &bssap_plus_ie_id_values_ext, 0x0,
+ NULL, HFILL}},
+
+ { &hf_bssap_plus_ie_len,
+ { "Length indicator", "bssap_plus.ie_len",
+ 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_dtap_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_dtap_numbering_plan_id_values), 0x0f,
+ NULL, HFILL }},
+
+ { &hf_bssap_sgsn_number,
+ { "SGSN number", "bssap.sgsn_number",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+
+#if 0
+ { &hf_bssap_vlr_number,
+ { "VLR number", "bssap.vlr_number",
+ FT_STRING, BASE_NONE, NULL, 0,
+ NULL, HFILL }},
+#endif
+
+ { &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.channel_needed_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.service_area_id_ie",
+ FT_NONE, BASE_NONE, NULL, 0,
+ "Mobile station classmark 1", HFILL }},
+
+ { &hf_bssap_sgsn_nr_ie,
+ { "SGSN number IE", "bssap.sgsn_nr_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.call_priority",
+ 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.Gs_cause",
+ 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_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.e_bit",
+ 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.cell_global_id",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}},
+
+ { &hf_bssap_extraneous_data,
+ { "Extraneous data", "bssap.extraneous_data",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL}},
+
+ { &hf_bssap_conditional_ie,
+ { "Conditional IE", "bssap.conditional_ie",
+ 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,
+ &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 const enum_val_t gsm_or_lb_interface_options[] = {
+ { "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 const enum_val_t bssap_or_bsap_options[] = {
+ { "bssap", "BSSAP", BSSAP },
+ { "bsap", "BSAP", BSAP },
+ { NULL, NULL, 0 }
};
+ static ei_register_info ei[] = {
+ { &ei_bssap_unknown_message, { "bssap.unknown_message", PI_PROTOCOL, PI_WARN, "Unknown message", EXPFILL }},
+ { &ei_bssap_unknown_parameter, { "bssap.unknown_parameter", PI_PROTOCOL, PI_WARN, "Unknown parameter", EXPFILL }},
+ { &ei_bssap_mandatory_ie, { "bssap.mandatory_ie", PI_PROTOCOL, PI_WARN, "Mandatory IE expected", EXPFILL }},
+ };
/* Register the protocol name and description */
proto_bssap = proto_register_protocol("BSSAP/BSAP", "BSSAP", "bssap");
- /*proto_bssap_plus = proto_register_protocol("BSSAP2", "BSSAP2", "bssap2");*/
+ proto_bssap_plus = proto_register_protocol("BSSAP2", "BSSAP2", "bssap_plus");
+
+ new_register_dissector("bssap", dissect_bssap, proto_bssap);
+ new_register_dissector("bssap_plus", dissect_bssap_plus, proto_bssap_plus);
/* 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));
+ expert_bssap = expert_register_protocol(proto_bssap);
+ expert_register_field_array(expert_bssap, ei, array_length(ei));
- bssap_module = prefs_register_protocol(proto_bssap, NULL);
+ 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);
+ "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.",
+ &gsm_or_lb_interface_global,
+ 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);
- global_bssap_old_ssn=global_bssap_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);
- register_init_routine(&init_bssap);
-}
-
-static void init_bssap(void) {
- dissector_delete("sccp.ssn", global_bssap_old_ssn, bssap_plus_handle);
- dissector_add("sccp.ssn", global_bssap_ssn, bssap_plus_handle);
- global_bssap_old_ssn=global_bssap_ssn;
+ 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, "BSSAP over SCCP", "bssap_sccp", proto_bssap, HEURISTIC_ENABLE);
+ heur_dissector_add("sua", dissect_bssap_heur, "BSSAP over SUA", "bssap_sua", proto_bssap, HEURISTIC_ENABLE);
+ /* BSSAP+ */
+ bssap_plus_handle = new_create_dissector_handle(dissect_bssap_plus, proto_bssap);
+
+ data_handle = find_dissector("data");
+ rrlp_handle = find_dissector("rrlp");
+ gsm_bssmap_le_dissector_handle = find_dissector("gsm_bssmap_le");
+ gsm_a_bssmap_dissector_handle = find_dissector("gsm_a_bssmap");
+ initialized = TRUE;
+ } else {
+ dissector_delete_uint("sccp.ssn", old_bssap_ssn, bssap_plus_handle);
+ }
- heur_dissector_add("sccp", dissect_bssap_heur, proto_bssap);
- /* BSSAP+ */
- bssap_plus_handle = create_dissector_handle(dissect_bssap_plus, proto_bssap);
- dissector_add("sccp.ssn", global_bssap_ssn, bssap_plus_handle);
-
- data_handle = find_dissector("data");
- rrlp_handle = find_dissector("rrlp");
-
+ dissector_add_uint("sccp.ssn", global_bssap_ssn, bssap_plus_handle);
+ old_bssap_ssn = global_bssap_ssn;
}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
git.samba.org / metze / wireshark / wip.git / blobdiff