/* packet-iua.c
* Routines for ISDN Q.921-User Adaptation Layer dissection
+ *
* It is hopefully (needs testing) compilant to
- * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-iua-10.txt
- * To do: - clean up the code
- * - provide better handling of length parameters
- * - think about making use of the existing Q.931 dissector
+ * http://www.ietf.org/rfc/rfc3057.txt
+ * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-iua-imp-guide-00.txt
+ * To do: - provide better handling of length parameters
*
- * Copyright 2000, Michael Tüxen <Michael.Tuexen@icn.siemens.de>
+ * Copyright 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
*
- * $Id: packet-iua.c,v 1.2 2001/01/13 04:30:20 guy Exp $
+ * $Id: packet-iua.c,v 1.16 2002/08/28 21:00:19 jmayer Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@unicom.net>
+ * By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* Copied from README.developer
- *
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* 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.
# include "config.h"
#endif
-#include <stdio.h>
-#include <stdlib.h>
-
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
+#include <epan/packet.h>
+#include "prefs.h"
-#include <string.h>
-#include <glib.h>
+#define NETWORK_BYTE_ORDER FALSE
-#ifdef NEED_SNPRINTF_H
-# include "snprintf.h"
-#endif
+static module_t *iua_module;
-#include "packet.h"
-#include "packet-ip.h"
+/* Initialize the protocol and registered fields */
+static int proto_iua = -1;
+static int hf_int_interface_id = -1;
+static int hf_text_interface_id = -1;
+static int hf_info_string = -1;
+static int hf_dlci_zero_bit = -1;
+static int hf_dlci_spare_bit = -1;
+static int hf_dlci_sapi = -1;
+static int hf_dlci_one_bit = -1;
+static int hf_dlci_tei = -1;
+static int hf_dlci_spare = -1;
+static int hf_diag_info = -1;
+static int hf_interface_range_start = -1;
+static int hf_interface_range_end = -1;
+static int hf_heartbeat_data = -1;
+static int hf_asp_reason = -1;
+static int hf_traffic_mode_type = -1;
+static int hf_error_code = -1;
+static int hf_error_code_ig = -1;
+static int hf_status_type = -1;
+static int hf_status_id = -1;
+static int hf_release_reason = -1;
+static int hf_tei_status = -1;
+static int hf_asp_id = -1;
+static int hf_parameter_tag = -1;
+static int hf_parameter_tag_ig = -1;
+static int hf_parameter_length = -1;
+static int hf_parameter_value = -1;
+static int hf_parameter_padding = -1;
+static int hf_version = -1;
+static int hf_reserved = -1;
+static int hf_message_class = -1;
+static int hf_message_type = -1;
+static int hf_message_length = -1;
+/* Initialize the subtree pointers */
+static gint ett_iua = -1;
+static gint ett_iua_parameter = -1;
-#define SCTP_PORT_IUA 9900
-#define IUA_PAYLOAD_PROTO_ID 1
+/* option setable via preferences, default is plain RFC 3057 */
+static gboolean support_IG = FALSE;
-#define VERSION_LENGTH 1
-#define RESERVED_LENGTH 1
-#define MESSAGE_CLASS_LENGTH 1
-#define MESSAGE_TYPE_LENGTH 1
-#define MESSAGE_LENGTH_LENGTH 4
-#define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
- MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
+static dissector_handle_t q931_handle;
-#define VERSION_OFFSET 0
-#define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
-#define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
-#define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
-#define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
+static guint
+nr_of_padding_bytes (guint length)
+{
+ guint remainder;
-#define PROTOCOL_VERSION_RELEASE_1 1
+ remainder = length % 4;
-static const value_string iua_protocol_version_values[] = {
- { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
- { 0, NULL } };
+ if (remainder == 0)
+ return 0;
+ else
+ return 4 - remainder;
+}
-#define MESSAGE_CLASS_MGMT_MESSAGE 0
-#define MESSAGE_CLASS_TFER_MESSAGE 1
-#define MESSAGE_CLASS_SSNM_MESSAGE 2
-#define MESSAGE_CLASS_ASPSM_MESSAGE 3
-#define MESSAGE_CLASS_ASPTM_MESSAGE 4
-#define MESSAGE_CLASS_QPTM_MESSAGE 5
-#define MESSAGE_CLASS_MAUP_MESSAGE 6
-#define MESSAGE_CLASS_CL_SUA_MESSAGE 7
-#define MESSAGE_CLASS_CO_SUA_MESSAGE 8
+#define PARAMETER_TAG_LENGTH 2
+#define PARAMETER_LENGTH_LENGTH 2
+#define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
-static const value_string iua_message_class_values[] = {
- { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
- { MESSAGE_CLASS_TFER_MESSAGE, "Transfer messages" },
- { MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" },
- { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
- { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
- { MESSAGE_CLASS_QPTM_MESSAGE, "Q.921/Q.931 boundary primitive transport messages" },
- { MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
- { MESSAGE_CLASS_CL_SUA_MESSAGE, "Connectionless messages (SUA)" },
- { MESSAGE_CLASS_CO_SUA_MESSAGE, "Connection-oriented messages (SUA)" },
- { 0, NULL } };
+#define PARAMETER_TAG_OFFSET 0
+#define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
+#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
+#define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
-/* message types for MGMT messages */
-#define MESSAGE_TYPE_ERR 0
-#define MESSAGE_TYPE_NTFY 1
-#define MESSAGE_TYPE_TEI_STATUS_REQ 2
-#define MESSAGE_TYPE_TEI_STATUS_CON 3
-#define MESSAGE_TYPE_TEI_STATUS_IND 4
+#define INT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
+#define INT_INTERFACE_ID_LENGTH 4
-/* message types for ASPSM messages */
-#define MESSAGE_TYPE_UP 1
-#define MESSAGE_TYPE_DOWN 2
-#define MESSAGE_TYPE_BEAT 3
-#define MESSAGE_TYPE_UP_ACK 4
-#define MESSAGE_TYPE_DOWN_ACK 5
-#define MESSAGE_TYPE_BEAT_ACK 6
+static void
+dissect_int_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_int_interface_id, parameter_tvb, INT_INTERFACE_ID_OFFSET, INT_INTERFACE_ID_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, INT_INTERFACE_ID_OFFSET));
+}
-/* message types for ASPTM messages */
-#define MESSAGE_TYPE_ACTIVE 1
-#define MESSAGE_TYPE_INACTIVE 2
-#define MESSAGE_TYPE_ACTIVE_ACK 3
-#define MESSAGE_TYPE_INACTIVE_ACK 4
+#define TEXT_INTERFACE_ID_OFFSET PARAMETER_VALUE_OFFSET
-/* message types for QPTM messages */
-#define MESSAGE_TYPE_DATA_REQUEST 1
-#define MESSAGE_TYPE_DATA_INDICATION 2
-#define MESSAGE_TYPE_UNIT_DATA_REQUEST 3
-#define MESSAGE_TYPE_UNIT_DATA_INDICATION 4
-#define MESSAGE_TYPE_ESTABLISH_REQUEST 5
-#define MESSAGE_TYPE_ESTABLISH_CONFIRM 6
-#define MESSAGE_TYPE_ESTABLISH_INDICATION 7
-#define MESSAGE_TYPE_RELEASE_REQUEST 8
-#define MESSAGE_TYPE_RELEASE_CONFIRM 9
-#define MESSAGE_TYPE_RELEASE_INDICATION 10
+static void
+dissect_text_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 interface_id_length;
+ interface_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
-static const value_string iua_message_class_type_values[] = {
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI status request" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI status indication" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "Data request" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "Data indication" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "Establish request" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "Establish indication" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "Release request" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "Release confirmation" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "Release indication" },
- { 0, NULL } };
+ proto_tree_add_item(parameter_tree, hf_text_interface_id, parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%.*s)", interface_id_length,
+ (char *)tvb_get_ptr(parameter_tvb, TEXT_INTERFACE_ID_OFFSET, interface_id_length));
+}
-static const value_string iua_message_class_type_acro_values[] = {
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI_STAT_REQ" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI_STAT_CON" },
- { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI_STAT_IND" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
- { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
- { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "DATA_REQ" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "DATA_IND" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "U_DATA_REQ" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "U_DATA_IND" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "EST_REQ" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "EST_CON" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "EST_IND" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "REL_REQ" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "REL_CON" },
- { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "REL_IND" },
- { 0, NULL } };
+#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
-#define PARAMETER_TAG_LENGTH 2
-#define PARAMETER_LENGTH_LENGTH 2
-#define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
+static void
+dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 info_string_length;
-#define PARAMETER_TAG_OFFSET 0
-#define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
-#define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
-#define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
+ info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
+ (char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
+}
-#define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
-#define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
-#define INFO_PARAMETER_TAG 0x04
-#define DLCI_PARAMETER_TAG 0x05
-#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
-#define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
-#define HEARTBEAT_DATA_PARAMETER_TAG 0x09
-#define ASP_REASON_PARAMETER_TAG 0x0a
-#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
-#define ERROR_CODE_PARAMETER_TAG 0x0c
-#define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
-#define PROTOCOL_DATA_PARAMETER_TAG 0x0e
-#define RELEASE_REASON_PARAMETER_TAG 0x0f
-#define TEI_STATUS_PARAMETER_TAG 0x10
+#define DLCI_SAPI_LENGTH 1
+#define DLCI_TEI_LENGTH 1
+#define DLCI_SPARE_LENGTH 2
-static const value_string iua_parameter_tag_values[] = {
- { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer interface identifier" },
- { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Text interface identifier" },
- { INFO_PARAMETER_TAG, "Info" },
- { DLCI_PARAMETER_TAG, "DLCI" },
- { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
- { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer range interface identifier" },
- { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
- { ASP_REASON_PARAMETER_TAG, "Reason" },
- { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
- { ERROR_CODE_PARAMETER_TAG, "Error code" },
- { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
- { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
- { RELEASE_REASON_PARAMETER_TAG, "Reason" },
- { TEI_STATUS_PARAMETER_TAG, "TEI status" },
- { 0, NULL } };
+#define DLCI_SAPI_OFFSET PARAMETER_VALUE_OFFSET
+#define DLCI_TEI_OFFSET (DLCI_SAPI_OFFSET + DLCI_SAPI_LENGTH)
+#define DLCI_SPARE_OFFSET (DLCI_TEI_OFFSET + DLCI_TEI_LENGTH)
+#define ZERO_BIT_MASK 0x01
+#define SPARE_BIT_MASK 0x02
+#define SAPI_MASK 0xfc
+#define ONE_BIT_MASK 0x01
+#define TEI_MASK 0xfe
-#define INT_INTERFACE_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
-#define INT_INTERFACE_IDENTIFIER_LENGTH 4
+static void
+dissect_dlci_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
+{
+ proto_tree_add_item(parameter_tree, hf_dlci_zero_bit, parameter_tvb, DLCI_SAPI_OFFSET, DLCI_SAPI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_spare_bit, parameter_tvb, DLCI_SAPI_OFFSET, DLCI_SAPI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_sapi, parameter_tvb, DLCI_SAPI_OFFSET, DLCI_SAPI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_one_bit, parameter_tvb, DLCI_TEI_OFFSET, DLCI_TEI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_tei, parameter_tvb, DLCI_TEI_OFFSET, DLCI_TEI_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_dlci_spare, parameter_tvb, DLCI_SPARE_OFFSET, DLCI_SPARE_LENGTH, NETWORK_BYTE_ORDER);
+}
-#define TEXT_INTERFACE_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
-#define TEXT_INTERFACE_IDENTIFIER_LENGTH 4
+static void
+dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 diag_info_length;
-#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
+ diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_diag_info, parameter_tvb, PARAMETER_VALUE_OFFSET, diag_info_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
+}
#define START_LENGTH 4
#define END_LENGTH 4
+#define INTERVAL_LENGTH (START_LENGTH + END_LENGTH)
+
#define START_OFFSET 0
#define END_OFFSET (START_OFFSET + START_LENGTH)
-#define DLCI_LENGTH 2
-#define DLCI_OFFSET PARAMETER_VALUE_OFFSET
+static void
+dissect_integer_range_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 number_of_ranges, range_number;
+ gint offset;
+
+ number_of_ranges = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INTERVAL_LENGTH;
+ offset = PARAMETER_VALUE_OFFSET;
+ for(range_number = 1; range_number <= number_of_ranges; range_number++) {
+ proto_tree_add_item(parameter_tree, hf_interface_range_start, parameter_tvb, offset + START_OFFSET, START_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_interface_range_end, parameter_tvb, offset + END_OFFSET, END_LENGTH, NETWORK_BYTE_ORDER);
+ offset += INTERVAL_LENGTH;
+ };
+
+ proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
+}
+
+#define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
+
+static void
+dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 heartbeat_data_length;
-#define ZERO_BIT_MASK 0x80
-#define SPARE_BIT_MASK 0x40
-#define SAPI_MASK 0x3f
-#define ONE_BIT_MASK 0x80
-#define TEI_MASK 0x7f
+ heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
+}
#define ASP_MGMT_REASON 1
-static const value_string iua_asp_reason_values[] = {
+static const value_string asp_reason_values[] = {
{ ASP_MGMT_REASON, "Management inhibit" },
{ 0, NULL } };
#define ASP_REASON_LENGTH 4
#define ASP_REASON_OFFSET PARAMETER_VALUE_OFFSET
+static void
+dissect_asp_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_asp_reason, parameter_tvb, ASP_REASON_OFFSET, ASP_REASON_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ASP_REASON_OFFSET), asp_reason_values, "unknown"));
+}
+
#define OVER_RIDE_TRAFFIC_MODE_TYPE 1
#define LOAD_SHARE_TRAFFIC_MODE_TYPE 2
-static const value_string iua_traffic_mode_type_values[] = {
+static const value_string traffic_mode_type_values[] = {
{ OVER_RIDE_TRAFFIC_MODE_TYPE, "Over-ride" },
{ LOAD_SHARE_TRAFFIC_MODE_TYPE, "Load-share" },
{ 0, NULL } };
#define TRAFFIC_MODE_TYPE_LENGTH 4
#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
+static void
+dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
+}
+
#define INVALID_VERSION_ERROR 0x01
#define INVALID_INTERFACE_IDENTIFIER_ERROR 0x02
#define UNSUPPORTED_MESSAGE_CLASS_ERROR 0x03
#define INVALID_STREAM_IDENTIFIER_ERROR 0x09
#define UNASSIGNED_TEI_ERROR 0x0a
#define UNRECOGNIZED_SAPI_ERROR 0x0b
-#define INVALID_TEI_SAPI_COMBINATION 0x0c
+#define INVALID_TEI_SAPI_COMBINATION_ERROR 0x0c
+#define REFUSED_MANAGEMENT_BLOCKING_ERROR 0x0d
+#define ASP_IDENTIFIER_REQUIRED_ERROR 0x0e
+#define INVALID_ASP_IDENTIFIER_ERROR 0x0f
+
+static const value_string error_code_values[] = {
+ { INVALID_VERSION_ERROR, "Invalid version" },
+ { INVALID_INTERFACE_IDENTIFIER_ERROR, "Invalid interface identifier" },
+ { UNSUPPORTED_MESSAGE_CLASS_ERROR, "Unsuported message class" },
+ { UNSUPPORTED_MESSAGE_TYPE_ERROR, "Unsupported message type" },
+ { UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR, "Unsupported traffic handling mode" },
+ { UNEXPECTED_MESSAGE_ERROR, "Unexpected message" },
+ { PROTOCOL_ERROR, "Protocol error" },
+ { UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR, "Unsupported interface identifier type" },
+ { INVALID_STREAM_IDENTIFIER_ERROR, "Invalid stream identifier" },
+ { UNASSIGNED_TEI_ERROR, "Unassigned TEI" },
+ { UNRECOGNIZED_SAPI_ERROR, "Unrecognized SAPI" },
+ { INVALID_TEI_SAPI_COMBINATION_ERROR, "Invalid TEI/SAPI combination" },
+ { 0, NULL } };
-static const value_string iua_error_code_values[] = {
+static const value_string error_code_ig_values[] = {
{ INVALID_VERSION_ERROR, "Invalid version" },
{ INVALID_INTERFACE_IDENTIFIER_ERROR, "Invalid interface identifier" },
{ UNSUPPORTED_MESSAGE_CLASS_ERROR, "Unsuported message class" },
{ INVALID_STREAM_IDENTIFIER_ERROR, "Invalid stream identifier" },
{ UNASSIGNED_TEI_ERROR, "Unassigned TEI" },
{ UNRECOGNIZED_SAPI_ERROR, "Unrecognized SAPI" },
- { INVALID_TEI_SAPI_COMBINATION, "Invalid TEI/SAPI combination" },
+ { INVALID_TEI_SAPI_COMBINATION_ERROR, "Invalid TEI/SAPI combination" },
+ { REFUSED_MANAGEMENT_BLOCKING_ERROR, "Refused - Management blocking" },
+ { ASP_IDENTIFIER_REQUIRED_ERROR, "ASP identifier required" },
+ { INVALID_ASP_IDENTIFIER_ERROR, "Invalid ASP identifier" },
{ 0, NULL } };
#define ERROR_CODE_LENGTH 4
#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
+static void
+dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, support_IG?hf_error_code_ig:hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), support_IG?error_code_ig_values:error_code_values, "unknown"));
+}
+
#define ASP_STATE_CHANGE_STATUS_TYPE 0x01
#define OTHER_STATUS_TYPE 0x02
-static const value_string iua_status_type_values[] = {
+static const value_string status_type_values[] = {
{ ASP_STATE_CHANGE_STATUS_TYPE, "Application server state change" },
{ OTHER_STATUS_TYPE, "Other" },
{ 0, NULL } };
#define INSUFFICIENT_ASP_RESOURCES_STATUS_IDENT 0x01
#define ALTERNATE_ASP_ACTIVE_STATUS_IDENT 0x02
-static const value_string iua_status_type_ident_values[] = {
- { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_DOWN_STATUS_IDENT, "Application server down" },
- { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_INACTIVE_STATUS_IDENT, "Application server inactive" },
- { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_ACTIVE_STATUS_IDENT, "Application server active" },
- { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_PENDING_STATUS_IDENT, "Application server pending" },
+static const value_string status_type_id_values[] = {
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_DOWN_STATUS_IDENT, "Application server down" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_INACTIVE_STATUS_IDENT, "Application server inactive" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_ACTIVE_STATUS_IDENT, "Application server active" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_PENDING_STATUS_IDENT, "Application server pending" },
+ { OTHER_STATUS_TYPE * 256 * 256 + INSUFFICIENT_ASP_RESOURCES_STATUS_IDENT, "Insufficient ASP resources active in AS" },
+ { OTHER_STATUS_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_STATUS_IDENT, "Alternate ASP active" },
+ { 0, NULL } };
+
+static const value_string status_type_id_ig_values[] = {
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_INACTIVE_STATUS_IDENT, "Application server inactive" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_ACTIVE_STATUS_IDENT, "Application server active" },
+ { ASP_STATE_CHANGE_STATUS_TYPE * 256 * 256 + AS_PENDING_STATUS_IDENT, "Application server pending" },
{ OTHER_STATUS_TYPE * 256 * 256 + INSUFFICIENT_ASP_RESOURCES_STATUS_IDENT, "Insufficient ASP resources active in AS" },
{ OTHER_STATUS_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_STATUS_IDENT, "Alternate ASP active" },
{ 0, NULL } };
#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
#define STATUS_IDENT_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
+static void
+dissect_status_type_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 status_type, status_id;
+
+ status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
+ status_id = tvb_get_ntohs(parameter_tvb, STATUS_IDENT_OFFSET);
+
+ proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_uint_format(parameter_tree, hf_status_id, parameter_tvb, STATUS_IDENT_OFFSET, STATUS_IDENT_LENGTH,
+ status_id, "Status identification: %u (%s)", status_id,
+ val_to_str(status_type * 256 * 256 + status_id, support_IG?status_type_id_ig_values:status_type_id_values, "unknown"));
+
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(status_type * 256 * 256 + status_id, support_IG?status_type_id_ig_values:status_type_id_values, "unknown status information"));
+}
+
#define PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET
+static void
+dissect_protocol_data_parameter(tvbuff_t *parameter_tvb, proto_item *parameter_item, packet_info *pinfo, proto_tree *tree)
+{
+ guint16 protocol_data_length;
+ tvbuff_t *protocol_data_tvb;
+
+ protocol_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ protocol_data_tvb = tvb_new_subset(parameter_tvb, PROTOCOL_DATA_OFFSET, protocol_data_length, protocol_data_length);
+ call_dissector(q931_handle, protocol_data_tvb, pinfo, tree);
+
+ proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
+}
+
#define RELEASE_MGMT_REASON 0
#define RELEASE_PHYS_REASON 1
#define RELEASE_DM_REASON 2
#define RELEASE_OTHER_REASON 4
-static const value_string iua_release_reason_values[] = {
+static const value_string release_reason_values[] = {
{ RELEASE_MGMT_REASON, "Management layer generated release" },
{ RELEASE_PHYS_REASON, "Physical layer alarm generated release" },
{ RELEASE_DM_REASON, "Layer 2 should release" },
#define RELEASE_REASON_OFFSET PARAMETER_VALUE_OFFSET
#define RELEASE_REASON_LENGTH 4
+static void
+dissect_release_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_release_reason, parameter_tvb, RELEASE_REASON_OFFSET, RELEASE_REASON_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, RELEASE_REASON_OFFSET), release_reason_values, "unknown"));
+}
+
#define TEI_STATUS_ASSIGNED 0
#define TEI_STATUS_UNASSIGNED 1
-static const value_string iua_tei_status_values[] = {
+static const value_string tei_status_values[] = {
{ TEI_STATUS_ASSIGNED, "TEI is considered assigned by Q.921" },
{ TEI_STATUS_UNASSIGNED, "TEI is considered unassigned by Q.921" },
{ 0, NULL } };
#define TEI_STATUS_LENGTH 4
#define TEI_STATUS_OFFSET PARAMETER_VALUE_OFFSET
-/* Initialize the protocol and registered fields */
-static int proto_iua = -1;
-static int hf_iua_version = -1;
-static int hf_iua_reserved = -1;
-static int hf_iua_message_class = -1;
-static int hf_iua_message_type = -1;
-static int hf_iua_message_length = -1;
-static int hf_iua_parameter_tag = -1;
-static int hf_iua_parameter_length = -1;
-static int hf_iua_int_interface_identifier = -1;
-static int hf_iua_text_interface_identifier = -1;
-static int hf_iua_info_string = -1;
-static int hf_iua_interface_range_start = -1;
-static int hf_iua_interface_range_end = -1;
-static int hf_iua_zero_bit = -1;
-static int hf_iua_spare_bit = -1;
-static int hf_iua_sapi = -1;
-static int hf_iua_one_bit = -1;
-static int hf_iua_tei = -1;
-static int hf_iua_status_type = -1;
-static int hf_iua_status_ident = -1;
-static int hf_iua_release_reason = -1;
-static int hf_iua_traffic_mode_type = -1;
-static int hf_iua_error_code = -1;
-static int hf_iua_asp_reason = -1;
-static int hf_iua_tei_status = -1;
+static void
+dissect_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ proto_tree_add_item(parameter_tree, hf_tei_status, parameter_tvb, TEI_STATUS_OFFSET, TEI_STATUS_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%s)",
+ val_to_str(tvb_get_ntohl(parameter_tvb, TEI_STATUS_OFFSET), tei_status_values, "unknown"));
+}
-/* Initialize the subtree pointers */
-static gint ett_iua = -1;
-static gint ett_iua_parameter = -1;
-static gint ett_iua_dlci = -1;
-static gint ett_iua_range = -1;
+#define ASP_ID_LENGTH 4
+#define ASP_ID_OFFSET PARAMETER_VALUE_OFFSET
-static guint
-nr_of_padding_bytes (guint length)
+static void
+dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
{
- guint remainder;
-
- remainder = length % 4;
-
- if (remainder == 0)
- return 0;
- else
- return 4 - remainder;
-}
-
-static void
-dissect_iua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *iua_tree)
-{
- guint8 version, reserved, message_class, message_type;
- guint32 message_length;
-
- /* Extract the common header */
- version = tvb_get_guint8(common_header_tvb, VERSION_OFFSET);
- reserved = tvb_get_guint8(common_header_tvb, RESERVED_OFFSET);
- message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
- message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
- message_length = tvb_get_ntohl (common_header_tvb, MESSAGE_LENGTH_OFFSET);
-
- if (check_col(pinfo->fd, COL_INFO)) {
- col_append_str(pinfo->fd, COL_INFO, val_to_str(message_class * 256 + message_type, iua_message_class_type_acro_values, "UNKNOWN"));
- col_append_str(pinfo->fd, COL_INFO, " ");
- };
-
- /* add the components of the common header to the protocol tree */
- proto_tree_add_uint_format(iua_tree, hf_iua_version,
- common_header_tvb, VERSION_OFFSET, VERSION_LENGTH,
- version, "Version: %u (%s)",
- version, val_to_str(version, iua_protocol_version_values, "unknown"));
- proto_tree_add_uint(iua_tree, hf_iua_reserved,
- common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH,
- reserved);
- proto_tree_add_uint_format(iua_tree, hf_iua_message_class,
- common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH,
- message_class, "Message class: %u (%s)",
- message_class, val_to_str(message_class, iua_message_class_values, "reserved"));
- proto_tree_add_uint_format(iua_tree, hf_iua_message_type,
- common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH,
- message_type, "Message type: %u (%s)",
- message_type, val_to_str(message_class * 256 + message_type, iua_message_class_type_values, "reserved"));
- proto_tree_add_uint(iua_tree, hf_iua_message_length,
- common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH,
- message_length);
-}
-
-static void
-dissect_iua_int_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 interface_identifier;
-
- interface_identifier = tvb_get_ntohl(parameter_tvb, INT_INTERFACE_IDENTIFIER_OFFSET);
-
- proto_tree_add_uint(parameter_tree, hf_iua_int_interface_identifier,
- parameter_tvb, INT_INTERFACE_IDENTIFIER_OFFSET, INT_INTERFACE_IDENTIFIER_LENGTH,
- interface_identifier);
-
- proto_item_set_text(parameter_item, "Integer interface identifier (%u)", interface_identifier);
-}
-
-static void
-dissect_iua_text_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, interface_identifier_length;
- char *interface_identifier;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- interface_identifier_length = length - PARAMETER_HEADER_LENGTH;
- interface_identifier = (char *)tvb_get_ptr(parameter_tvb, TEXT_INTERFACE_IDENTIFIER_OFFSET, interface_identifier_length);
-
- proto_tree_add_string(parameter_tree, hf_iua_text_interface_identifier,
- parameter_tvb, TEXT_INTERFACE_IDENTIFIER_OFFSET, interface_identifier_length ,
- interface_identifier);
-
- proto_item_set_text(parameter_item, "Text interface identifier (%s)", interface_identifier);
-}
-
-static void
-dissect_iua_info_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, info_string_length;
- char *info_string;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- info_string_length = length - PARAMETER_HEADER_LENGTH;
- info_string = (char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length);
-
- proto_tree_add_string(parameter_tree, hf_iua_info_string,
- parameter_tvb, INFO_STRING_OFFSET, info_string_length ,
- info_string);
-
- proto_item_set_text(parameter_item, "Info String (%s)", info_string);
+ proto_tree_add_item(parameter_tree, hf_asp_id, parameter_tvb, ASP_ID_OFFSET, ASP_ID_LENGTH, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_ID_OFFSET));
}
static void
-dissect_iua_dlci_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
{
- guint16 dlci;
- proto_item *dlci_item;
- proto_tree *dlci_tree;
-
- dlci = tvb_get_ntohs(parameter_tvb, DLCI_OFFSET);
- dlci_item = proto_tree_add_text(parameter_tree, parameter_tvb, DLCI_OFFSET, DLCI_LENGTH, "DLCI");
- dlci_tree = proto_item_add_subtree(dlci_item, ett_iua_dlci);
-
- proto_tree_add_boolean(dlci_tree, hf_iua_zero_bit, parameter_tvb, DLCI_OFFSET, 1, dlci);
- proto_tree_add_boolean(dlci_tree, hf_iua_spare_bit, parameter_tvb, DLCI_OFFSET, 1, dlci);
- proto_tree_add_uint(dlci_tree, hf_iua_sapi, parameter_tvb, DLCI_OFFSET, 1, dlci);
- proto_tree_add_boolean(dlci_tree, hf_iua_one_bit, parameter_tvb, DLCI_OFFSET+1, 1, dlci);
- proto_tree_add_uint(dlci_tree, hf_iua_tei, parameter_tvb, DLCI_OFFSET+1, 1, dlci);
-
- proto_item_set_text(parameter_item, "DLCI");
-}
+ guint16 parameter_value_length;
-static void
-dissect_iua_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, diagnostic_info_length;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- diagnostic_info_length = length - PARAMETER_HEADER_LENGTH;
-
- proto_tree_add_text(parameter_tree, parameter_tvb, PARAMETER_VALUE_OFFSET, diagnostic_info_length,
- "Diagnostic information (%u byte%s)",
- diagnostic_info_length, plurality(diagnostic_info_length, "", "s"));
-
- proto_item_set_text(parameter_item, "Diagnostic information (%u byte%s)",
- diagnostic_info_length, plurality(diagnostic_info_length, "", "s"));
+ parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
+ if (parameter_value_length > 0)
+ proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER);
+ proto_item_append_text(parameter_item, " with tag %u and %u byte%s value",
+ tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
}
-static void
-dissect_iua_integer_range_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, number_of_ranges, range_number;
- guint32 start, end;
- gint offset;
-
- proto_item *range_item;
- proto_tree *range_tree;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- number_of_ranges = (length - PARAMETER_HEADER_LENGTH) / (2 * 4);
-
- offset = PARAMETER_VALUE_OFFSET;
- for(range_number = 1; range_number <= number_of_ranges; range_number++) {
- start = tvb_get_ntohl(parameter_tvb, offset + START_OFFSET);
- end = tvb_get_ntohl(parameter_tvb, offset + END_OFFSET);
- range_item = proto_tree_add_text(parameter_tree, parameter_tvb,
- offset + START_OFFSET, START_LENGTH + END_LENGTH,
- "Integer interface range: %u - %u",
- start, end);
- range_tree = proto_item_add_subtree(range_item, ett_iua_range);
- proto_tree_add_uint(range_tree, hf_iua_interface_range_start,
- parameter_tvb,
- offset + START_OFFSET, START_LENGTH,
- start);
- proto_tree_add_uint(range_tree, hf_iua_interface_range_end,
- parameter_tvb,
- offset + END_OFFSET, END_LENGTH,
- end);
- offset += START_LENGTH + END_LENGTH;
- };
-
- proto_item_set_text(parameter_item, "Integer interface identifier (%u range%s)",
- number_of_ranges, plurality(number_of_ranges, "", "s"));
-}
-
-static void
-dissect_iua_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, heartbeat_data_length;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- heartbeat_data_length = length - PARAMETER_HEADER_LENGTH;
-
- proto_tree_add_text(parameter_tree, parameter_tvb, PARAMETER_VALUE_OFFSET, heartbeat_data_length,
- "Heartbeat data (%u byte%s)",
- heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
-
- proto_item_set_text(parameter_item, "Heartbeat data (%u byte%s)",
- heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
-}
-
-static void
-dissect_iua_asp_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 reason;
-
- reason = tvb_get_ntohl(parameter_tvb, ASP_REASON_OFFSET);
-
- proto_tree_add_uint_format(parameter_tree, hf_iua_asp_reason,
- parameter_tvb, ASP_REASON_OFFSET, ASP_REASON_LENGTH,
- reason, "Reason: %u (%s)",
- reason, val_to_str(reason, iua_asp_reason_values, "unknown"));
-
- proto_item_set_text(parameter_item, "Reason (%s)", val_to_str(reason, iua_asp_reason_values, "unknown"));
-}
-
-static void
-dissect_iua_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 traffic_mode_type;
-
- traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET);
-
- proto_tree_add_uint_format(parameter_tree, hf_iua_traffic_mode_type,
- parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH,
- traffic_mode_type, "Traffic mode type: %u (%s)",
- traffic_mode_type, val_to_str(traffic_mode_type, iua_traffic_mode_type_values, "unknown"));
-
- proto_item_set_text(parameter_item, "Traffic mode type (%s)",
- val_to_str(traffic_mode_type, iua_traffic_mode_type_values, "unknown"));
-}
-
-static void
-dissect_iua_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 error_code;
-
- error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET);
- proto_tree_add_uint_format(parameter_tree, hf_iua_error_code,
- parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH,
- error_code, "Error code: %u (%s)",
- error_code, val_to_str(error_code, iua_error_code_values, "unknown"));
- proto_item_set_text(parameter_item, "Error code (%s)",
- val_to_str(error_code, iua_error_code_values, "unknown"));
-}
-
-static void
-dissect_iua_status_type_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 status_type, status_ident;
-
- status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
- status_ident = tvb_get_ntohs(parameter_tvb, STATUS_IDENT_OFFSET);
-
- proto_tree_add_uint_format(parameter_tree, hf_iua_status_type,
- parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH,
- status_type, "Status type: %u (%s)",
- status_type, val_to_str(status_type, iua_status_type_values, "unknown"));
- proto_tree_add_uint_format(parameter_tree, hf_iua_status_ident,
- parameter_tvb, STATUS_IDENT_OFFSET, STATUS_IDENT_LENGTH,
- status_ident, "Status identification: %u (%s)",
- status_ident, val_to_str(status_type * 256 * 256 +
- status_ident, iua_status_type_ident_values, "unknown"));
-
- proto_item_set_text(parameter_item, "Status type / status identification (%s)",
- val_to_str(status_type * 256 * 256 +
- status_ident, iua_status_type_ident_values, "unknown status information"));
-}
-
-static void
-dissect_iua_protocol_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 length, protocol_data_length;
-
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- protocol_data_length = length - PARAMETER_HEADER_LENGTH;
-
- proto_tree_add_text(parameter_tree, parameter_tvb, PROTOCOL_DATA_OFFSET, protocol_data_length,
- "Protocol data (%u byte%s)",
- protocol_data_length, plurality(protocol_data_length, "", "s"));
-
- proto_item_set_text(parameter_item, "Protocol data (%u byte%s)",
- protocol_data_length, plurality(protocol_data_length, "", "s"));
-}
-
-static void
-dissect_iua_release_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 reason;
-
- reason = tvb_get_ntohl(parameter_tvb, RELEASE_REASON_OFFSET);
-
- proto_tree_add_uint_format(parameter_tree, hf_iua_release_reason,
- parameter_tvb, RELEASE_REASON_OFFSET, RELEASE_REASON_LENGTH,
- reason, "Reason: %u (%s)",
- reason, val_to_str(reason, iua_release_reason_values, "unknown"));
-
- proto_item_set_text(parameter_item, "Reason (%s)", val_to_str(reason, iua_release_reason_values, "unknown"));
-}
-
-static void
-dissect_iua_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint32 status;
-
- status = tvb_get_ntohl(parameter_tvb, TEI_STATUS_OFFSET);
-
- proto_tree_add_uint_format(parameter_tree, hf_iua_release_reason,
- parameter_tvb, TEI_STATUS_OFFSET, TEI_STATUS_LENGTH,
- status, "TEI status: %u (%s)",
- status, val_to_str(status, iua_tei_status_values, "unknown"));
+#define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
+#define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
+#define INFO_PARAMETER_TAG 0x04
+#define DLCI_PARAMETER_TAG 0x05
+#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
+#define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
+#define HEARTBEAT_DATA_PARAMETER_TAG 0x09
+#define ASP_REASON_PARAMETER_TAG 0x0a
+#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
+#define ERROR_CODE_PARAMETER_TAG 0x0c
+#define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
+#define PROTOCOL_DATA_PARAMETER_TAG 0x0e
+#define RELEASE_REASON_PARAMETER_TAG 0x0f
+#define TEI_STATUS_PARAMETER_TAG 0x10
+#define ASP_IDENTIFIER_PARAMETER_TAG 0x11
- proto_item_set_text(parameter_item, "TEI status (%s)", val_to_str(status, iua_tei_status_values, "unknown"));
-}
+static const value_string parameter_tag_values[] = {
+ { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer interface identifier" },
+ { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Text interface identifier" },
+ { INFO_PARAMETER_TAG, "Info" },
+ { DLCI_PARAMETER_TAG, "DLCI" },
+ { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
+ { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer range interface identifier" },
+ { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
+ { ASP_REASON_PARAMETER_TAG, "Reason" },
+ { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
+ { ERROR_CODE_PARAMETER_TAG, "Error code" },
+ { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
+ { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
+ { RELEASE_REASON_PARAMETER_TAG, "Reason" },
+ { TEI_STATUS_PARAMETER_TAG, "TEI status" },
+ { 0, NULL } };
-static void
-dissect_iua_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
-{
- guint16 tag, length, parameter_value_length;
-
- tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
- length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- parameter_value_length = length - PARAMETER_HEADER_LENGTH;
-
- proto_tree_add_text(parameter_tree, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
- "Parameter value (%u byte%s)",
- parameter_value_length, plurality(parameter_value_length, "", "s"));
-
- proto_item_set_text(parameter_item, "Parameter with tag %u and %u byte%s value",
- tag, parameter_value_length, plurality(parameter_value_length, "", "s"));
-}
+static const value_string parameter_tag_ig_values[] = {
+ { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer interface identifier" },
+ { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Text interface identifier" },
+ { INFO_PARAMETER_TAG, "Info" },
+ { DLCI_PARAMETER_TAG, "DLCI" },
+ { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
+ { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Integer range interface identifier" },
+ { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
+ { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
+ { ERROR_CODE_PARAMETER_TAG, "Error code" },
+ { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
+ { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
+ { RELEASE_REASON_PARAMETER_TAG, "Reason" },
+ { TEI_STATUS_PARAMETER_TAG, "TEI status" },
+ { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier"},
+ { 0, NULL } };
static void
-dissect_iua_parameter(tvbuff_t *parameter_tvb, proto_tree *iua_tree)
+dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *iua_tree)
{
- guint16 tag, length, padding_length, total_length;
+ guint16 tag, length, padding_length;
proto_item *parameter_item;
proto_tree *parameter_tree;
/* extract tag and length from the parameter */
tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
-
- /* calculate padding and total length */
- padding_length = nr_of_padding_bytes(length);
- total_length = length + padding_length;
+ padding_length = tvb_length(parameter_tvb) - length;
/* create proto_tree stuff */
- parameter_item = proto_tree_add_text(iua_tree, parameter_tvb,
- PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
+ parameter_item = proto_tree_add_text(iua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb),
+ val_to_str(tag, support_IG?parameter_tag_ig_values:parameter_tag_values, "Unknown parameter"));
parameter_tree = proto_item_add_subtree(parameter_item, ett_iua_parameter);
- /* add tag and length to the m3ua tree */
- proto_tree_add_uint_format(parameter_tree, hf_iua_parameter_tag,
- parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH,
- tag, "Identifier: %u (%s)",
- tag, val_to_str(tag, iua_parameter_tag_values, "unknown"));
- proto_tree_add_uint(parameter_tree, hf_iua_parameter_length,
- parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH,
- length);
+ /* add tag and length to the iua tree */
+ proto_tree_add_item(parameter_tree, support_IG?hf_parameter_tag_ig:hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
switch(tag) {
case INT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
- dissect_iua_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
- dissect_iua_text_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_text_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case INFO_PARAMETER_TAG:
- dissect_iua_info_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case DLCI_PARAMETER_TAG:
- dissect_iua_dlci_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_dlci_parameter(parameter_tvb, parameter_tree);
break;
case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
- dissect_iua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG:
- dissect_iua_integer_range_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_integer_range_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case HEARTBEAT_DATA_PARAMETER_TAG:
- dissect_iua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case ASP_REASON_PARAMETER_TAG:
- dissect_iua_asp_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
+ if (support_IG)
+ dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
+ else
+ dissect_asp_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
- dissect_iua_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case ERROR_CODE_PARAMETER_TAG:
- dissect_iua_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG:
- dissect_iua_status_type_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_status_type_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case PROTOCOL_DATA_PARAMETER_TAG:
- dissect_iua_protocol_data_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_protocol_data_parameter(parameter_tvb, parameter_item, pinfo, tree);
break;
case RELEASE_REASON_PARAMETER_TAG:
- dissect_iua_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
case TEI_STATUS_PARAMETER_TAG:
- dissect_iua_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case ASP_IDENTIFIER_PARAMETER_TAG:
+ if (support_IG)
+ dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
+ else
+ dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
default:
- dissect_iua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
+ dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
break;
};
-
+
if (padding_length > 0)
- proto_tree_add_text(parameter_tree, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
- "Padding: %u byte%s",
- padding_length, plurality(padding_length, "", "s"));
+ proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER);
}
static void
-dissect_iua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *iua_tree)
+dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *iua_tree)
{
- gint offset, length, padding_length, total_length;
- tvbuff_t *common_header_tvb, *parameter_tvb;
+ gint offset, length, padding_length, total_length, remaining_length;
+ tvbuff_t *parameter_tvb;
offset = 0;
-
- /* extract and process the common header */
- common_header_tvb = tvb_new_subset(message_tvb, offset, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
- dissect_iua_common_header(common_header_tvb, pinfo, iua_tree);
- offset += COMMON_HEADER_LENGTH;
-
- /* extract zero or more parameters and process them individually */
- while(tvb_length_remaining(message_tvb, offset)) {
- length = tvb_get_ntohs(message_tvb, offset + PARAMETER_LENGTH_OFFSET);
+ while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) {
+ length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
padding_length = nr_of_padding_bytes(length);
- total_length = length + padding_length;
+ if (remaining_length >= length)
+ total_length = MIN(length + padding_length, remaining_length);
+ else
+ total_length = length + padding_length;
/* create a tvb for the parameter including the padding bytes */
- parameter_tvb = tvb_new_subset(message_tvb, offset, total_length, total_length);
- dissect_iua_parameter(parameter_tvb, iua_tree);
+ parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
+ dissect_parameter(parameter_tvb, pinfo, tree, iua_tree);
/* get rid of the handled parameter */
offset += total_length;
}
}
+#define VERSION_LENGTH 1
+#define RESERVED_LENGTH 1
+#define MESSAGE_CLASS_LENGTH 1
+#define MESSAGE_TYPE_LENGTH 1
+#define MESSAGE_LENGTH_LENGTH 4
+#define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
+ MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
+
+#define COMMON_HEADER_OFFSET 0
+#define VERSION_OFFSET COMMON_HEADER_OFFSET
+#define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
+#define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
+#define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
+#define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
+#define PARAMETERS_OFFSET (COMMON_HEADER_OFFSET + COMMON_HEADER_LENGTH)
+
+#define PROTOCOL_VERSION_RELEASE_1 1
+
+static const value_string protocol_version_values[] = {
+ { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
+ { 0, NULL } };
+
+#define MESSAGE_CLASS_MGMT_MESSAGE 0
+#define MESSAGE_CLASS_TFER_MESSAGE 1
+#define MESSAGE_CLASS_SSNM_MESSAGE 2
+#define MESSAGE_CLASS_ASPSM_MESSAGE 3
+#define MESSAGE_CLASS_ASPTM_MESSAGE 4
+#define MESSAGE_CLASS_QPTM_MESSAGE 5
+#define MESSAGE_CLASS_MAUP_MESSAGE 6
+#define MESSAGE_CLASS_CL_SUA_MESSAGE 7
+#define MESSAGE_CLASS_CO_SUA_MESSAGE 8
+
+static const value_string message_class_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
+ { MESSAGE_CLASS_TFER_MESSAGE, "Transfer messages" },
+ { MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
+ { MESSAGE_CLASS_QPTM_MESSAGE, "Q.921/Q.931 boundary primitive transport messages" },
+ { MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
+ { MESSAGE_CLASS_CL_SUA_MESSAGE, "Connectionless messages (SUA)" },
+ { MESSAGE_CLASS_CO_SUA_MESSAGE, "Connection-oriented messages (SUA)" },
+ { 0, NULL } };
+
+/* message types for MGMT messages */
+#define MESSAGE_TYPE_ERR 0
+#define MESSAGE_TYPE_NTFY 1
+#define MESSAGE_TYPE_TEI_STATUS_REQ 2
+#define MESSAGE_TYPE_TEI_STATUS_CON 3
+#define MESSAGE_TYPE_TEI_STATUS_IND 4
+#define MESSAGE_TYPE_TEI_QUERY_REQ 5
+
+/* message types for ASPSM messages */
+#define MESSAGE_TYPE_UP 1
+#define MESSAGE_TYPE_DOWN 2
+#define MESSAGE_TYPE_BEAT 3
+#define MESSAGE_TYPE_UP_ACK 4
+#define MESSAGE_TYPE_DOWN_ACK 5
+#define MESSAGE_TYPE_BEAT_ACK 6
+
+/* message types for ASPTM messages */
+#define MESSAGE_TYPE_ACTIVE 1
+#define MESSAGE_TYPE_INACTIVE 2
+#define MESSAGE_TYPE_ACTIVE_ACK 3
+#define MESSAGE_TYPE_INACTIVE_ACK 4
+
+/* message types for QPTM messages */
+#define MESSAGE_TYPE_DATA_REQUEST 1
+#define MESSAGE_TYPE_DATA_INDICATION 2
+#define MESSAGE_TYPE_UNIT_DATA_REQUEST 3
+#define MESSAGE_TYPE_UNIT_DATA_INDICATION 4
+#define MESSAGE_TYPE_ESTABLISH_REQUEST 5
+#define MESSAGE_TYPE_ESTABLISH_CONFIRM 6
+#define MESSAGE_TYPE_ESTABLISH_INDICATION 7
+#define MESSAGE_TYPE_RELEASE_REQUEST 8
+#define MESSAGE_TYPE_RELEASE_CONFIRM 9
+#define MESSAGE_TYPE_RELEASE_INDICATION 10
+
+
+static const value_string message_class_type_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI status request" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI status indication" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "Data request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "Data indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "Establish request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "Establish indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "Release request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "Release confirmation" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "Release indication" },
+ { 0, NULL } };
+
+static const value_string message_class_type_ig_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI status request" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI status indication" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_QUERY_REQ, "TEI query request" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "Data request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "Data indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "Establish request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "Establish indication" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "Release request" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "Release confirmation" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "Release indication" },
+ { 0, NULL } };
+
+static const value_string message_class_type_acro_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI_STAT_REQ" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI_STAT_CON" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI_STAT_IND" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "DATA_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "DATA_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "U_DATA_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "U_DATA_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "EST_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "EST_CON" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "EST_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "REL_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "REL_CON" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "REL_IND" },
+ { 0, NULL } };
+
+static const value_string message_class_type_acro_ig_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_REQ, "TEI_STAT_REQ" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_CON, "TEI_STAT_CON" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_STATUS_IND, "TEI_STAT_IND" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_TEI_QUERY_REQ, "TEI_QUERY_REQ" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_REQUEST, "DATA_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_DATA_INDICATION, "DATA_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_REQUEST, "U_DATA_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_UNIT_DATA_INDICATION, "U_DATA_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_REQUEST, "EST_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_CONFIRM, "EST_CON" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_ESTABLISH_INDICATION, "EST_IND" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_REQUEST, "REL_REQ" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_CONFIRM, "REL_CON" },
+ { MESSAGE_CLASS_QPTM_MESSAGE * 256 + MESSAGE_TYPE_RELEASE_INDICATION, "REL_IND" },
+ { 0, NULL } };
+
static void
-dissect_iua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
+dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *iua_tree)
{
- proto_item *ti;
- proto_tree *iua_tree;
+ guint8 message_class, message_type;
- pinfo->current_proto = "IUA";
+ message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
+ message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
- CHECK_DISPLAY_AS_DATA(proto_iua, message_tvb, pinfo, tree);
+ if (check_col(pinfo->cinfo, COL_INFO)) {
+ col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, support_IG?message_class_type_acro_ig_values:message_class_type_acro_values, "UNKNOWN"));
+ col_append_str(pinfo->cinfo, COL_INFO, " ");
+ };
+
+ if (iua_tree) {
+ /* add the components of the common header to the protocol tree */
+ proto_tree_add_item(iua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(iua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_item(iua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER);
+ proto_tree_add_uint_format(iua_tree, hf_message_type,
+ common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH,
+ message_type, "Message type: %u (%s)",
+ message_type, val_to_str(message_class * 256 + message_type, support_IG?message_class_type_ig_values:message_class_type_values, "reserved"));
+ proto_tree_add_item(iua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
+ }
+}
+
+static void
+dissect_iua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *iua_tree)
+{
+ tvbuff_t *common_header_tvb, *parameters_tvb;
+
+ common_header_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
+ parameters_tvb = tvb_new_subset(message_tvb, PARAMETERS_OFFSET, -1, -1);
+ dissect_common_header(common_header_tvb, pinfo, iua_tree);
+ dissect_parameters(parameters_tvb, pinfo, tree, iua_tree);
+}
+
+static void
+dissect_iua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *iua_item;
+ proto_tree *iua_tree;
/* make entry in the Protocol column on summary display */
- if (check_col(pinfo->fd, COL_PROTOCOL))
- col_add_str(pinfo->fd, COL_PROTOCOL, "IUA");
-
+ if (check_col(pinfo->cinfo, COL_PROTOCOL))
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, support_IG?"IUA (IG)":"IUA (RFC 3057)");
+
/* In the interest of speed, if "tree" is NULL, don't do any work not
necessary to generate protocol tree items. */
if (tree) {
/* create the m3ua protocol tree */
- ti = proto_tree_add_protocol_format(tree, proto_iua, message_tvb, 0, tvb_length(message_tvb),
- "ISDN Q.921-User Adaptation Layer");
- iua_tree = proto_item_add_subtree(ti, ett_iua);
- /* dissect the message */
- dissect_iua_message(message_tvb, pinfo, iua_tree);
+ iua_item = proto_tree_add_item(tree, proto_iua, message_tvb, 0, -1, FALSE);
+ iua_tree = proto_item_add_subtree(iua_item, ett_iua);
+ } else {
+ iua_tree = NULL;
};
+ /* dissect the message */
+ dissect_iua_message(message_tvb, pinfo, tree, iua_tree);
}
/* Register the protocol with Ethereal */
void
proto_register_iua(void)
-{
+{
/* Setup list of header fields */
static hf_register_info hf[] = {
- { &hf_iua_version,
- { "Version", "iua.version",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_reserved,
- { "Reserved", "iua.reserved",
- FT_UINT8, BASE_HEX, NULL, 0x0,
- ""}
- },
- { &hf_iua_message_class,
- { "Message class", "iua.message_class",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_message_type,
- { "Message Type", "iua.message_type",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_message_length,
- { "Message length", "iua.message_length",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_parameter_tag,
- { "Parameter Tag", "iua.parameter_tag",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_parameter_length,
- { "Parameter length", "iua.parameter_length",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_int_interface_identifier,
- { "Integer interface identifier", "iua.int_interface_identifier",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- ""}
- },
- { &hf_iua_text_interface_identifier,
- { "Text interface identifier", "iua.text_interface_identifier",
- FT_STRING, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_spare_bit,
- { "Spare bit", "hf.iua.spare_bit",
- FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK,
- ""}
- },
- { &hf_iua_sapi,
- { "SAPI", "hf.iua.sapi",
- FT_UINT8, BASE_HEX, NULL, SAPI_MASK,
- ""}
- },
- { &hf_iua_zero_bit,
- { "Zero bit", "hf.iua.zero_bit",
- FT_BOOLEAN, 8, NULL, ZERO_BIT_MASK,
- ""}
- },
- { &hf_iua_one_bit,
- { "One bit", "hf.iua.one_bit",
- FT_BOOLEAN, 8, NULL, ONE_BIT_MASK,
- ""}
- },
- { &hf_iua_tei,
- { "TEI", "hf.iua.tei",
- FT_UINT8, BASE_HEX, NULL, TEI_MASK,
- ""}
- },
- { &hf_iua_info_string,
- { "Info string", "iua.info_string",
- FT_STRING, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_interface_range_start,
- { "Start", "iua.interface_range_start",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_interface_range_end,
- { "End", "iua.interface_range_end",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_release_reason,
- { "Reason", "iua.release_reason",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- ""}
- },
- { &hf_iua_status_type,
- { "Status type", "iua.status_type",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_status_ident,
- { "Status identification", "iua.status_identification",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_traffic_mode_type,
- { "Traffic mode type", "iua.traffic_mode_type",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- ""}
- },
- { &hf_iua_error_code,
- { "Error code", "iua.error_code",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- ""}
- },
- { &hf_iua_asp_reason,
- { "Reason", "iua.asp_reason",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- ""}
- },
- { &hf_iua_tei_status,
- { "TEI status", "iua.tei_status",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- ""}
- },
- };
+ { &hf_int_interface_id, { "Integer interface identifier", "iua.int_interface_identifier", FT_INT32, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_text_interface_id, { "Text interface identifier", "iua.text_interface_identifier", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_info_string, { "Info string", "iua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_dlci_zero_bit, { "Zero bit", "iua.dlci_zero_bit", FT_BOOLEAN, 8, NULL, ZERO_BIT_MASK, "", HFILL } },
+ { &hf_dlci_spare_bit, { "Spare bit", "iua.dlci_spare_bit", FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK, "", HFILL } },
+ { &hf_dlci_sapi, { "SAPI", "iua.dlci_sapi", FT_UINT8, BASE_HEX, NULL, SAPI_MASK, "", HFILL } },
+ { &hf_dlci_one_bit, { "One bit", "iua.dlci_one_bit", FT_BOOLEAN, 8, NULL, ONE_BIT_MASK, "", HFILL } },
+ { &hf_dlci_tei, { "TEI", "iua.dlci_tei", FT_UINT8, BASE_HEX, NULL, TEI_MASK, "", HFILL } },
+ { &hf_dlci_spare, { "Spare", "iua.dlci_spare", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_diag_info, { "Diagnostic information", "iua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_interface_range_start, { "Start", "iua.interface_range_start", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_interface_range_end, { "End", "iua.interface_range_end", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_heartbeat_data, { "Heartbeat data", "iua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_asp_reason, { "Reason", "iua.asp_reason", FT_UINT32, BASE_HEX, VALS(asp_reason_values), 0x0, "", HFILL } },
+ { &hf_traffic_mode_type, { "Traffic mode type", "iua.traffic_mode_type", FT_UINT32, BASE_HEX, VALS(traffic_mode_type_values), 0x0, "", HFILL } },
+ { &hf_error_code, { "Error code", "iua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, "", HFILL } },
+ { &hf_error_code_ig, { "Error code", "iua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_ig_values), 0x0, "", HFILL } },
+ { &hf_status_type, { "Status type", "iua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, "", HFILL } },
+ { &hf_status_id, { "Status identification", "iua.status_identification", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_release_reason, { "Reason", "iua.release_reason", FT_UINT32, BASE_HEX, VALS(release_reason_values), 0x0, "", HFILL } },
+ { &hf_tei_status, { "TEI status", "iua.tei_status", FT_UINT32, BASE_HEX, VALS(tei_status_values), 0x0, "", HFILL } },
+ { &hf_asp_id, { "ASP identifier", "iua.asp_identifier", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_tag, { "Parameter Tag", "iua.parameter_tag", FT_UINT16, BASE_DEC, VALS(parameter_tag_values), 0x0, "", HFILL } },
+ { &hf_parameter_tag_ig, { "Parameter Tag", "iua.parameter_tag", FT_UINT16, BASE_DEC, VALS(parameter_tag_ig_values), 0x0, "", HFILL } },
+ { &hf_parameter_length, { "Parameter length", "iua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_value, { "Parameter value", "iua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_parameter_padding, { "Parameter padding", "iua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
+ { &hf_version, { "Version", "iua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL } },
+ { &hf_reserved, { "Reserved", "iua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
+ { &hf_message_class, { "Message class", "iua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL } },
+ { &hf_message_type, { "Message Type", "iua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
+ { &hf_message_length, { "Message length", "iua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
+ };
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_iua,
&ett_iua_parameter,
- &ett_iua_dlci,
- &ett_iua_range,
};
-
+
/* Register the protocol name and description */
- proto_iua = proto_register_protocol("ISDN Q.921-User Adaptation Layer",
- "IUA", "iua");
-
+ proto_iua = proto_register_protocol("ISDN Q.921-User Adaptation Layer", "IUA", "iua");
+ iua_module = prefs_register_protocol(proto_iua, NULL);
+
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_iua, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
+ prefs_register_bool_preference(iua_module, "support_ig", "Support Implementers Guide", "Support Implementers Guide (version 00)", &support_IG);
};
+#define SCTP_PORT_IUA 9900
+#define IUA_PAYLOAD_PROTO_ID 1
+
void
proto_reg_handoff_iua(void)
{
- dissector_add("sctp.port", SCTP_PORT_IUA, dissect_iua, proto_iua);
- dissector_add("sctp.ppi", IUA_PAYLOAD_PROTO_ID, dissect_iua, proto_iua);
-}
+ dissector_handle_t iua_handle;
+ iua_handle = create_dissector_handle(dissect_iua, proto_iua);
+ q931_handle = find_dissector("q931");
+ dissector_add("sctp.port", SCTP_PORT_IUA, iua_handle);
+ dissector_add("sctp.ppi", IUA_PAYLOAD_PROTO_ID, iua_handle);
+}
git.samba.org / obnox / wireshark / wip.git / blobdiff