--- /dev/null
+/* packet-m3ua.c
+ * Routines for MTP3 User Adaptation Layer dissection
+ * It is hopefully (needs testing) compilant to
+ * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m3ua-05.txt
+ * To do: - clean up the code
+ * - provide better handling of length parameters
+ * - provide good information in summary window
+ *
+ * Copyright 2000, Michael Tüxen <Michael.Tuexen@icn.siemens.de>
+ *
+ * $Id: packet-m3ua.c,v 1.1 2001/01/10 09:25:13 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@unicom.net>
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# 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 <string.h>
+#include <glib.h>
+
+#ifdef NEED_SNPRINTF_H
+# include "snprintf.h"
+#endif
+
+#include "packet.h"
+#include "packet-ip.h"
+
+
+#define SCTP_PORT_M3UA 2905
+
+#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 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)
+
+#define PARAMETER_TAG_LENGTH 2
+#define PARAMETER_LENGTH_LENGTH 2
+#define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_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
+
+#define NETWORK_APPEARANCE_PARAMETER_TAG 1
+#define PROTOCOL_DATA_PARAMETER_TAG 3
+#define INFO_PARAMETER_TAG 4
+#define AFFECTED_DESTINATIONS_PARAMETER_TAG 5
+#define ROUTING_CONTEXT_PARAMETER_TAG 6
+#define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 7
+#define HEARTBEAT_DATA_PARAMETER_TAG 8
+#define USER_CAUSE_PARAMETER_TAG 9
+#define REASON_PARAMETER_TAG 10
+#define TRAFFIC_MODE_TYPE_PARAMETER_TAG 11
+#define ERROR_CODE_PARAMETER_TAG 12
+#define STATUS_TYPE_PARAMETER_TAG 13
+#define CONGESTION_INDICATION_PARAMETER_TAG 14
+
+
+static const value_string m3ua_parameter_tag_values[] = {
+ { NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
+ { PROTOCOL_DATA_PARAMETER_TAG, "Protocol data" },
+ { INFO_PARAMETER_TAG, "Info" },
+ { AFFECTED_DESTINATIONS_PARAMETER_TAG, "Affected destinations" },
+ { ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
+ { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
+ { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
+ { USER_CAUSE_PARAMETER_TAG, "User / Cause" },
+ { REASON_PARAMETER_TAG, "Reason" },
+ { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
+ { ERROR_CODE_PARAMETER_TAG, "Error code" },
+ { STATUS_TYPE_PARAMETER_TAG, "Status type" },
+ { CONGESTION_INDICATION_PARAMETER_TAG, "Congestion Indication" },
+ { 0, NULL } };
+
+#define PROTOCOL_VERSION_RELEASE_1 1
+
+static const value_string m3ua_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
+
+static const value_string m3ua_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" },
+ { 0, NULL } };
+
+#define MESSAGE_TYPE_ERR 0
+#define MESSAGE_TYPE_NTFY 1
+
+#define MESSAGE_TYPE_DATA 1
+
+#define MESSAGE_TYPE_DUNA 1
+#define MESSAGE_TYPE_DAVA 2
+#define MESSAGE_TYPE_DAUD 3
+#define MESSAGE_TYPE_SCON 4
+#define MESSAGE_TYPE_DUPU 5
+
+#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
+
+#define MESSAGE_TYPE_ACTIVE 1
+#define MESSAGE_TYPE_INACTIVE 2
+#define MESSAGE_TYPE_ACTIVE_ACK 3
+#define MESSAGE_TYPE_INACTIVE_ACK 4
+
+static const value_string m3ua_message_class_type_values[] = {
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
+ { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
+ { MESSAGE_CLASS_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "Payload data (DATA)" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "Destination unavailable (DUNA)" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "Destination available (DAVA)" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "Destination state audit (DAUD)" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SS7 Network congestion state (SCON)" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "Destination userpart unavailable (DUPU)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
+ { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
+ { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
+ { 0, NULL } };
+
+static const value_string m3ua_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_TFER_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "DUNA" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "DAVA" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "DAUD" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SCON" },
+ { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "DUPU" },
+ { 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" },
+ { 0, NULL } };
+
+
+
+
+#define NETWORK_APPEARANCE_LENGTH 4
+#define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET
+
+#define PROTOCOL_DATA_OFFSET PARAMETER_VALUE_OFFSET
+
+#define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
+
+
+#define INVALID_VERSION_ERROR_CODE 1
+#define INVALID_NETWORK_APPEARANCE_ERROR_CODE 2
+#define UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 3
+#define INVALID_MESSAGE_TYPE_ERROR_CODE 4
+#define INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE 5
+#define UNEXPECTED_MESSAGE_ERROR_CODE 6
+#define PROTOCOL_ERROR_ERROR_CODE 7
+#define INVALID_ROUTING_CONTEXT_ERROR_CODE 8
+
+static const value_string m3ua_error_code_values[] = {
+ { INVALID_VERSION_ERROR_CODE, "Invalid version" },
+ { INVALID_NETWORK_APPEARANCE_ERROR_CODE, "Invalid network appearance" },
+ { UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
+ { INVALID_MESSAGE_TYPE_ERROR_CODE, "Invalid message type" },
+ { INVALID_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Invalid traffic handling mode" },
+ { UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
+ { PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
+ { INVALID_ROUTING_CONTEXT_ERROR_CODE, "Invalid routing contexted" },
+ { 0, NULL } };
+
+#define ERROR_CODE_LENGTH 4
+#define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
+
+#define AS_STATE_CHANGE_TYPE 1
+#define OTHER_TYPE 2
+
+static const value_string m3ua_status_type_values[] = {
+ { AS_STATE_CHANGE_TYPE, "Application server state change" },
+ { OTHER_TYPE, "Other" },
+ { 0, NULL } };
+
+#define RESERVED_INFO 1
+#define AS_INACTIVE_INFO 2
+#define AS_ACTIVE_INFO 3
+#define AS_PENDING_INFO 4
+
+#define INSUFFICIENT_ASP_RES_INFO 1
+#define ALTERNATE_ASP_ACTIVE_INFO 2
+
+static const value_string m3ua_status_type_info_values[] = {
+ { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
+ { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
+ { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
+ { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
+ { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
+ { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
+ {0, NULL } };
+
+#define STATUS_TYPE_LENGTH 2
+#define STATUS_INFO_LENGTH 2
+
+#define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
+#define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
+
+#define UNKNOWN_UNAVAIL_CAUSE 0
+#define UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE 1
+#define INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE 2
+
+static const value_string m3ua_unavailability_cause_values[] = {
+ { UNKNOWN_UNAVAIL_CAUSE, "Unknown" },
+ { UNEQUIPPED_REMOTE_USER_UNAVAIL_CAUSE, "Unequipped remote user" },
+ { INACCESSABLE_REMOTE_USER_UNAVAIL_CAUSE, "Inaccessable remote user" },
+ {0, NULL } };
+
+#define RESERVED_0_USER_ID 0
+#define RESERVED_1_USER_ID 1
+#define RESERVED_2_USER_ID 2
+#define SCCP_USER_ID 3
+#define TUP_USER_ID 4
+#define ISUP_USER_ID 5
+#define RESERVED_6_USER_ID 6
+#define RESERVED_7_USER_ID 7
+#define RESERVED_8_USER_ID 8
+#define BROADBAND_ISUP_USER_ID 9
+#define SATELLITE_ISUP_USER_ID 10
+
+static const value_string m3ua_user_identity_values[] = {
+ { RESERVED_0_USER_ID, "Reserved" },
+ { RESERVED_1_USER_ID, "Reserved" },
+ { RESERVED_2_USER_ID, "Reserved" },
+ { SCCP_USER_ID, "SCCP" },
+ { TUP_USER_ID, "TUP" },
+ { ISUP_USER_ID, "ISUP" },
+ { RESERVED_6_USER_ID, "Reserved" },
+ { RESERVED_7_USER_ID, "Reserved" },
+ { RESERVED_8_USER_ID, "Reserved" },
+ { BROADBAND_ISUP_USER_ID, "Broadband ISUP" },
+ { SATELLITE_ISUP_USER_ID, "Satellite ISUP" },
+ {0, NULL } };
+
+#define CAUSE_LENGTH 2
+#define USER_LENGTH 2
+
+#define CAUSE_OFFSET PARAMETER_VALUE_OFFSET
+#define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH)
+
+#define UNSPECIFIED_REASON 0
+#define USER_UNAVAILABLE_REASON 1
+#define MANAGEMENT_BLOCKING_REASON 2
+
+static const value_string m3ua_reason_values[] = {
+ { UNSPECIFIED_REASON, "Unspecified" },
+ { USER_UNAVAILABLE_REASON, "User unavailable" },
+ { MANAGEMENT_BLOCKING_REASON, "Management blocking" },
+ {0, NULL } };
+
+#define REASON_LENGTH 4
+#define REASON_OFFSET PARAMETER_VALUE_OFFSET
+
+
+#define OVER_RIDE_TYPE 1
+#define LOAD_SHARE_TYPE 2
+#define OVER_RIDE_STANDBY_TYPE 3
+#define LOAD_SHARE_STANDBY_TYPE 4
+
+static const value_string m3ua_traffic_mode_type_values[] = {
+ { OVER_RIDE_TYPE , "Over-ride" },
+ { LOAD_SHARE_TYPE, "Load-share" },
+ { OVER_RIDE_STANDBY_TYPE, "Over-ride (standby)" },
+ { LOAD_SHARE_STANDBY_TYPE, "Load-share (standby)" },
+ {0, NULL } };
+
+#define TRAFFIC_MODE_TYPE_LENGTH 4
+#define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
+
+#define ROUTING_CONTEXT_LENGTH 4
+
+#define AFFECTED_DESTINATION_LENGTH 4
+#define AFFECTED_MASK_LENGTH 1
+#define AFFECTED_DPC_LENGTH 3
+
+#define AFFECTED_MASK_OFFSET 0
+#define AFFECTED_DPC_OFFSET (AFFECTED_MASK_OFFSET + AFFECTED_MASK_LENGTH)
+
+#define NO_CONGESTION_LEVEL 0
+#define CONGESTION_LEVEL_1_LEVEL 1
+#define CONGESTION_LEVEL_2_LEVEL 2
+#define CONGESTION_LEVEL_3_LEVEL 3
+
+static const value_string m3ua_congestion_level_values[] = {
+ { NO_CONGESTION_LEVEL, "No congestion or undefined" },
+ { CONGESTION_LEVEL_1_LEVEL, "Congestion level 1" },
+ { CONGESTION_LEVEL_2_LEVEL, "Congestion level 2" },
+ { CONGESTION_LEVEL_3_LEVEL, "Congestion level 3" },
+ {0, NULL } };
+
+#define CONG_IND_RESERVED_LENGTH 3
+#define CONG_IND_LEVEL_LENGTH 1
+
+#define CONG_IND_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
+#define CONG_IND_LEVEL_OFFSET (CONG_IND_RESERVED_OFFSET + CONG_IND_RESERVED_LENGTH)
+
+/* Initialize the protocol and registered fields */
+static int proto_m3ua = -1;
+static int hf_m3ua_version = -1;
+static int hf_m3ua_reserved = -1;
+static int hf_m3ua_message_class = -1;
+static int hf_m3ua_message_type = -1;
+static int hf_m3ua_message_length = -1;
+static int hf_m3ua_parameter_tag = -1;
+static int hf_m3ua_parameter_length = -1;
+static int hf_m3ua_network_appearance = -1;
+static int hf_m3ua_info_string = -1;
+static int hf_m3ua_error_code = -1;
+static int hf_m3ua_status_type = -1;
+static int hf_m3ua_status_info = -1;
+static int hf_m3ua_unavailability_cause = -1;
+static int hf_m3ua_user_identity = -1;
+static int hf_m3ua_reason = -1;
+static int hf_m3ua_traffic_mode_type = -1;
+static int hf_m3ua_routing_context = -1;
+static int hf_m3ua_mask = -1;
+static int hf_m3ua_dpc = -1;
+static int hf_m3ua_congestion_level = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_m3ua = -1;
+static gint ett_m3ua_parameter = -1;
+static gint ett_m3ua_affected_destination = -1;
+
+static guint
+nr_of_padding_bytes (guint length)
+{
+ guint remainder;
+
+ remainder = length % 4;
+
+ if (remainder == 0)
+ return 0;
+ else
+ return 4 - remainder;
+}
+
+static void
+dissect_m3ua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m3ua_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, m3ua_message_class_type_acro_values, "reserved"));
+ col_append_str(pinfo->fd, COL_INFO, " ");
+ };
+
+ /* add the components of the common header to the protocol tree */
+ proto_tree_add_uint_format(m3ua_tree, hf_m3ua_version,
+ common_header_tvb, VERSION_OFFSET, VERSION_LENGTH,
+ version, "Version: %u (%s)",
+ version, val_to_str(version, m3ua_protocol_version_values, "unknown"));
+ proto_tree_add_uint(m3ua_tree, hf_m3ua_reserved,
+ common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH,
+ reserved);
+ proto_tree_add_uint_format(m3ua_tree, hf_m3ua_message_class,
+ common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH,
+ message_class, "Message class: %u (%s)",
+ message_class, val_to_str(message_class, m3ua_message_class_values, "reserved"));
+ proto_tree_add_uint_format(m3ua_tree, hf_m3ua_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, m3ua_message_class_type_values, "reserved"));
+ proto_tree_add_uint(m3ua_tree, hf_m3ua_message_length,
+ common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH,
+ message_length);
+}
+static void
+dissect_m3ua_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint32 network_appearance;
+
+ network_appearance = tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET);
+
+ proto_tree_add_uint(parameter_tree, hf_m3ua_network_appearance,
+ parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH,
+ network_appearance);
+
+ proto_item_set_text(parameter_item, "Network appearance: %u", network_appearance);
+}
+
+static void
+dissect_m3ua_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 (SS7 message of %u byte%s)",
+ protocol_data_length, plurality(protocol_data_length, "", "s"));
+}
+
+static void
+dissect_m3ua_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_m3ua_info_string,
+ parameter_tvb, INFO_STRING_OFFSET, info_string_length ,
+ info_string);
+
+ proto_item_set_text(parameter_item, "Info String (%s)", info_string);
+}
+
+static void
+dissect_m3ua_affected_destinations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint8 mask;
+ guint16 length, number_of_destinations, destination_number;
+ guint32 dpc;
+ gint destination_offset;
+ proto_item *destination_item;
+ proto_tree *destination_tree;
+
+ length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
+ number_of_destinations= (length - PARAMETER_HEADER_LENGTH) / 4;
+
+ destination_offset = PARAMETER_VALUE_OFFSET;
+ for(destination_number=1; destination_number <= number_of_destinations; destination_number++) {
+ mask = tvb_get_guint8(parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET);
+ dpc = tvb_get_ntoh24(parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET);
+ destination_item = proto_tree_add_text(parameter_tree, parameter_tvb, destination_offset, AFFECTED_DESTINATION_LENGTH,
+ "Affected destination");
+ destination_tree = proto_item_add_subtree(destination_item, ett_m3ua_affected_destination);
+
+ proto_tree_add_uint(destination_tree, hf_m3ua_mask,
+ parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH,
+ mask);
+ proto_tree_add_uint(destination_tree, hf_m3ua_dpc,
+ parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET, AFFECTED_DPC_LENGTH,
+ dpc);
+ destination_offset += AFFECTED_DESTINATION_LENGTH;
+ };
+ proto_item_set_text(parameter_item, "Affected destinations parameter (%u destination%s)",
+ number_of_destinations, plurality(number_of_destinations, "", "s"));
+
+}
+
+static void
+dissect_m3ua_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 length, number_of_contexts, context_number;
+ guint32 context;
+ gint context_offset;
+
+ length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
+ number_of_contexts = (length - PARAMETER_HEADER_LENGTH) / 4;
+
+ context_offset = PARAMETER_VALUE_OFFSET;
+ for(context_number=1; context_number <= number_of_contexts; context_number++) {
+ context = tvb_get_ntohl(parameter_tvb, context_offset);
+ proto_tree_add_uint(parameter_tree, hf_m3ua_routing_context,
+ parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH,
+ context);
+ context_offset += ROUTING_CONTEXT_LENGTH;
+ };
+ proto_item_set_text(parameter_item, "Routing context parameter (%u context%s)",
+ number_of_contexts, plurality(number_of_contexts, "", "s"));
+}
+
+static void
+dissect_m3ua_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"));
+}
+
+static void
+dissect_m3ua_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_m3ua_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 cause, user;
+
+ cause = tvb_get_ntohs(parameter_tvb, CAUSE_OFFSET);
+ user = tvb_get_ntohs(parameter_tvb, USER_OFFSET);
+
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_unavailability_cause,
+ parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH,
+ cause, "Unavailability cause: %u (%s)",
+ cause, val_to_str(cause, m3ua_unavailability_cause_values, "unknown"));
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_user_identity,
+ parameter_tvb, USER_OFFSET, USER_LENGTH,
+ user, "User identity: %u (%s)",
+ user, val_to_str(user, m3ua_user_identity_values, "unknown"));
+ proto_item_set_text(parameter_item, "User / Cause parameter (%s: %s)",
+ val_to_str(user, m3ua_user_identity_values, "Unknown user"),
+ val_to_str(cause, m3ua_unavailability_cause_values, "unknown cause"));
+}
+
+static void
+dissect_m3ua_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint32 reason;
+
+ reason = tvb_get_ntohl(parameter_tvb, REASON_OFFSET);
+
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_reason,
+ parameter_tvb, REASON_OFFSET, REASON_LENGTH,
+ reason, "Reason: %u (%s)",
+ reason, val_to_str(reason, m3ua_reason_values, "unknown"));
+ proto_item_set_text(parameter_item, "Reason parameter (%s)",
+ val_to_str(reason, m3ua_reason_values, "unknown"));
+}
+
+static void
+dissect_m3ua_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_m3ua_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, m3ua_traffic_mode_type_values, "unknown"));
+ proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)",
+ val_to_str(traffic_mode_type, m3ua_traffic_mode_type_values, "unknown"));
+}
+
+static void
+dissect_m3ua_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_m3ua_error_code,
+ parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH,
+ error_code, "Error code: %u (%s)",
+ error_code, val_to_str(error_code, m3ua_error_code_values, "unknown"));
+ proto_item_set_text(parameter_item, "Error code parameter (%s)",
+ val_to_str(error_code, m3ua_error_code_values, "unknown"));
+}
+
+static void
+dissect_m3ua_status_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint16 status_type, status_info;
+
+ status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
+ status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
+
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_status_type,
+ parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH,
+ status_type, "Status type: %u (%s)",
+ status_type, val_to_str(status_type, m3ua_status_type_values, "unknown"));
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_status_info,
+ parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH,
+ status_info, "Status info: %u (%s)",
+ status_info, val_to_str(status_type * 256 * 256 +
+ status_info, m3ua_status_type_info_values, "unknown"));
+
+ proto_item_set_text(parameter_item, "Status type / ID (%s)",
+ val_to_str(status_type * 256 * 256 +
+ status_info, m3ua_status_type_info_values, "unknown status information"));
+}
+
+static void
+dissect_m3ua_congestion_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
+{
+ guint8 level;
+
+ level = tvb_get_guint8(parameter_tvb, CONG_IND_LEVEL_OFFSET);
+
+ proto_tree_add_text(parameter_tree, parameter_tvb, CONG_IND_RESERVED_OFFSET, CONG_IND_RESERVED_LENGTH,
+ "Reserved: %u byte%s",
+ CONG_IND_RESERVED_LENGTH, plurality(CONG_IND_RESERVED_LENGTH, "", "s"));
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_congestion_level,
+ parameter_tvb, CONG_IND_LEVEL_OFFSET, CONG_IND_LEVEL_LENGTH,
+ level, "Congestion level: %u (%s)",
+ level, val_to_str(level, m3ua_congestion_level_values, "unknown"));
+ proto_item_set_text(parameter_item, "Congestion indication (%s)",
+ val_to_str(level, m3ua_congestion_level_values, "unknown"));
+}
+
+static void
+dissect_m3ua_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 void
+dissect_m3ua_parameter(tvbuff_t *parameter_tvb, proto_tree *m3ua_tree)
+{
+ guint16 tag, length, padding_length, total_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;
+
+ /* create proto_tree stuff */
+ parameter_item = proto_tree_add_text(m3ua_tree, parameter_tvb,
+ PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
+ parameter_tree = proto_item_add_subtree(parameter_item, ett_m3ua_parameter);
+
+ /* add tag and length to the m3ua tree */
+ proto_tree_add_uint_format(parameter_tree, hf_m3ua_parameter_tag,
+ parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH,
+ tag, "Identifier: %u (%s)",
+ tag, val_to_str(tag, m3ua_parameter_tag_values, "unknown"));
+ proto_tree_add_uint(parameter_tree, hf_m3ua_parameter_length,
+ parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH,
+ length);
+
+ switch(tag) {
+ case NETWORK_APPEARANCE_PARAMETER_TAG:
+ dissect_m3ua_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case PROTOCOL_DATA_PARAMETER_TAG:
+ dissect_m3ua_protocol_data_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case INFO_PARAMETER_TAG:
+ dissect_m3ua_info_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case AFFECTED_DESTINATIONS_PARAMETER_TAG:
+ dissect_m3ua_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case ROUTING_CONTEXT_PARAMETER_TAG:
+ dissect_m3ua_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
+ dissect_m3ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case HEARTBEAT_DATA_PARAMETER_TAG:
+ dissect_m3ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case USER_CAUSE_PARAMETER_TAG:
+ dissect_m3ua_user_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case REASON_PARAMETER_TAG:
+ dissect_m3ua_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
+ dissect_m3ua_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case ERROR_CODE_PARAMETER_TAG:
+ dissect_m3ua_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case STATUS_TYPE_PARAMETER_TAG:
+ dissect_m3ua_status_type_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ case CONGESTION_INDICATION_PARAMETER_TAG:
+ dissect_m3ua_congestion_indication_parameter(parameter_tvb, parameter_tree, parameter_item);
+ break;
+ default:
+ dissect_m3ua_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"));
+}
+
+static void
+dissect_m3ua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *m3ua_tree)
+{
+ gint offset, length, padding_length, total_length;
+ tvbuff_t *common_header_tvb, *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_m3ua_common_header(common_header_tvb, pinfo, m3ua_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);
+ padding_length = nr_of_padding_bytes(length);
+ 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_m3ua_parameter(parameter_tvb, m3ua_tree);
+ /* get rid of the handled parameter */
+ offset += total_length;
+ }
+}
+
+static void
+dissect_m3ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
+{
+ proto_item *ti;
+ proto_tree *m3ua_tree;
+
+ CHECK_DISPLAY_AS_DATA(proto_m3ua, message_tvb, pinfo, tree);
+
+ pinfo->current_proto = "M3UA";
+
+ /* make entry in the Protocol column on summary display */
+ if (check_col(pinfo->fd, COL_PROTOCOL))
+ col_set_str(pinfo->fd, COL_PROTOCOL, "M3UA");
+
+ /* clear the Info column so that if we throw an exception it doesn't
+ show stuff from the protocol above us */
+ if (check_col(pinfo->fd, COL_INFO))
+ col_clear(pinfo->fd, COL_INFO);
+
+ /* 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_m3ua, message_tvb, 0, tvb_length(message_tvb),
+ "MTP 3 User Adaptation Layer");
+ m3ua_tree = proto_item_add_subtree(ti, ett_m3ua);
+ /* dissect the message */
+ dissect_m3ua_message(message_tvb, pinfo, m3ua_tree);
+ };
+}
+
+/* Register the protocol with Ethereal */
+void
+proto_register_m3ua(void)
+{
+
+ /* Setup list of header fields */
+ static hf_register_info hf[] = {
+ { &hf_m3ua_version,
+ { "Version", "m3ua.version",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_reserved,
+ { "Reserved", "m3ua.reserved",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_message_class,
+ { "Message class", "m3ua.message_class",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_message_type,
+ { "Message Type", "m3ua.message_type",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_message_length,
+ { "Message length", "m3ua.message_length",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_parameter_tag,
+ { "Parameter Tag", "m3ua.parameter_tag",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_parameter_length,
+ { "Parameter length", "m3ua.parameter_length",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_network_appearance,
+ { "Network appearance", "m3ua.network_appearance",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_info_string,
+ { "Info string", "m3ua.info_string",
+ FT_STRING, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_error_code,
+ { "Error code", "m3ua.error_code",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_status_type,
+ { "Status type", "m3ua.status_type",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_status_info,
+ { "Status info", "m3ua.status_info",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_unavailability_cause,
+ { "Unavailability cause", "m3ua.unavailability_cause",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_user_identity,
+ { "User Identity", "m3ua.user_identity",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_reason,
+ { "Reason", "m3ua.reason",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_traffic_mode_type,
+ { "Traffic mode Type", "m3ua.traffic_mode_type",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_routing_context,
+ { "Routing context", "m3ua.routing_context",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_mask,
+ { "Mask", "m3ua.mask",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_dpc,
+ { "Affected DPC", "m3ua.affected_dpc",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ { &hf_m3ua_congestion_level,
+ { "Congestion level", "m3ua.congestion_level",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ ""}
+ },
+ };
+
+ /* Setup protocol subtree array */
+ static gint *ett[] = {
+ &ett_m3ua,
+ &ett_m3ua_parameter,
+ &ett_m3ua_affected_destination,
+ };
+
+ /* Register the protocol name and description */
+ proto_m3ua = proto_register_protocol("MTP 3 User Adaptation Layer",
+ "M3UA", "m3ua");
+
+ /* Required function calls to register the header fields and subtrees used */
+ proto_register_field_array(proto_m3ua, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+};
+
+void
+proto_reg_handoff_m3ua(void)
+{
+ dissector_add("sctp.port", SCTP_PORT_M3UA, dissect_m3ua, proto_m3ua);
+}
git.samba.org / obnox / wireshark / wip.git / commitdiff