2 * Routines for MTP2 User Adaptation Layer dissection
3 * It is hopefully (needs testing) compilant to
4 * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2ua-15.txt
5 * To do: - clean up the code
6 * - provide better handling of length parameters
7 * - provide good information in summary window
9 * Copyright 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
11 * $Id: packet-m2ua.c,v 1.4 2002/08/28 21:00:20 jmayer Exp $
13 * Ethereal - Network traffic analyzer
14 * By Gerald Combs <gerald@ethereal.com>
15 * Copyright 1998 Gerald Combs
17 * Copied from README.developer
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License
21 * as published by the Free Software Foundation; either version 2
22 * of the License, or (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
38 #include <epan/packet.h>
40 #define SCTP_PORT_M2UA 2904
41 #define M2UA_PAYLOAD_PROTO_ID 2
42 #define NETWORK_BYTE_ORDER FALSE
46 /* Initialize the protocol and registered fields */
47 static int proto_m2ua = -1;
48 static int hf_m2ua_version = -1;
49 static int hf_m2ua_reserved = -1;
50 static int hf_m2ua_message_class = -1;
51 static int hf_m2ua_message_type = -1;
52 static int hf_m2ua_message_length = -1;
53 static int hf_m2ua_parameter_tag = -1;
54 static int hf_m2ua_parameter_length = -1;
55 static int hf_m2ua_parameter_value = -1;
56 static int hf_m2ua_parameter_padding = -1;
57 static int hf_m2ua_interface_id_int = -1;
58 static int hf_m2ua_interface_id_text = -1;
59 static int hf_m2ua_info_string = -1;
60 static int hf_m2ua_diagnostic_information = -1;
61 static int hf_m2ua_interface_id_start = -1;
62 static int hf_m2ua_interface_id_stop = -1;
63 static int hf_m2ua_heartbeat_data = -1;
64 static int hf_m2ua_traffic_mode_type = -1;
65 static int hf_m2ua_error_code = -1;
66 static int hf_m2ua_status_type = -1;
67 static int hf_m2ua_status_info = -1;
68 static int hf_m2ua_asp_id = -1;
69 static int hf_m2ua_correlation_id = -1;
70 static int hf_m2ua_data_2_li = -1;
71 static int hf_m2ua_state = -1;
72 static int hf_m2ua_event = -1;
73 static int hf_m2ua_congestion_status = -1;
74 static int hf_m2ua_discard_status = -1;
75 static int hf_m2ua_action = -1;
76 static int hf_m2ua_sequence_number = -1;
77 static int hf_m2ua_retrieval_result = -1;
78 static int hf_m2ua_local_lk_id = -1;
79 static int hf_m2ua_sdt_reserved = -1;
80 static int hf_m2ua_sdt_id = -1;
81 static int hf_m2ua_sdl_reserved = -1;
82 static int hf_m2ua_sdl_id = -1;
83 static int hf_m2ua_registration_status = -1;
84 static int hf_m2ua_deregistration_status = -1;
86 /* Initialize the subtree pointers */
87 static gint ett_m2ua = -1;
88 static gint ett_m2ua_parameter = -1;
90 static dissector_handle_t mtp3_handle;
93 dissect_m2ua_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
96 nr_of_padding_bytes (guint length)
100 remainder = length % 4;
105 return 4 - remainder;
108 #define VERSION_LENGTH 1
109 #define RESERVED_LENGTH 1
110 #define MESSAGE_CLASS_LENGTH 1
111 #define MESSAGE_TYPE_LENGTH 1
112 #define MESSAGE_LENGTH_LENGTH 4
113 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
114 MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
116 #define VERSION_OFFSET 0
117 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
118 #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
119 #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
120 #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
122 #define PROTOCOL_VERSION_RELEASE_1 1
124 static const value_string m2ua_protocol_version_values[] = {
125 { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
128 #define MESSAGE_CLASS_MGMT_MESSAGE 0
129 #define MESSAGE_CLASS_ASPSM_MESSAGE 3
130 #define MESSAGE_CLASS_ASPTM_MESSAGE 4
131 #define MESSAGE_CLASS_MAUP_MESSAGE 6
132 #define MESSAGE_CLASS_IIM_MESSAGE 10
134 static const value_string m2ua_message_class_values[] = {
135 { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
136 { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
137 { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
138 { MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
139 { MESSAGE_CLASS_IIM_MESSAGE, "Interface identifier management messages" },
143 #define MESSAGE_TYPE_ERR 0
144 #define MESSAGE_TYPE_NTFY 1
147 #define MESSAGE_TYPE_UP 1
148 #define MESSAGE_TYPE_DOWN 2
149 #define MESSAGE_TYPE_BEAT 3
150 #define MESSAGE_TYPE_UP_ACK 4
151 #define MESSAGE_TYPE_DOWN_ACK 5
152 #define MESSAGE_TYPE_BEAT_ACK 6
155 #define MESSAGE_TYPE_ACTIVE 1
156 #define MESSAGE_TYPE_INACTIVE 2
157 #define MESSAGE_TYPE_ACTIVE_ACK 3
158 #define MESSAGE_TYPE_INACTIVE_ACK 4
161 #define MESSAGE_TYPE_DATA 1
162 #define MESSAGE_TYPE_ESTAB_REQ 2
163 #define MESSAGE_TYPE_ESTAB_CONF 3
164 #define MESSAGE_TYPE_REL_REQ 4
165 #define MESSAGE_TYPE_REL_CONF 5
166 #define MESSAGE_TYPE_REL_IND 6
167 #define MESSAGE_TYPE_STATE_REQ 7
168 #define MESSAGE_TYPE_STATE_CONF 8
169 #define MESSAGE_TYPE_STATE_IND 9
170 #define MESSAGE_TYPE_DATA_RETR_REQ 10
171 #define MESSAGE_TYPE_DATA_RETR_CONF 11
172 #define MESSAGE_TYPE_DATA_RETR_IND 12
173 #define MESSAGE_TYPE_DATA_RETR_COMP_IND 13
174 #define MESSAGE_TYPE_CONG_IND 14
175 #define MESSAGE_TYPE_DATA_ACK 15
178 #define MESSAGE_TYPE_REG_REQ 1
179 #define MESSAGE_TYPE_REG_RSP 2
180 #define MESSAGE_TYPE_DEREG_REQ 3
181 #define MESSAGE_TYPE_DEREG_RSP 4
183 static const value_string m2ua_message_class_type_values[] = {
184 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
185 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
186 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
187 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
188 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
189 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
190 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
191 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
192 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
193 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
194 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
195 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
196 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA (DATA)" },
197 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "Establish request (ESTAB_REQ)" },
198 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "Establish confirm (ESTAB_CONF)" },
199 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "Release request (REL_REQ)" },
200 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "Release confirm (REL_CONF)" },
201 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "Release indication (REL_IND)" },
202 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "State request (STATE_REQ)" },
203 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "State confirm (STATE_CONF)" },
204 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "State indication (STATE_IND)" },
205 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "Data retrieval request (DATA_RETR_REQ)" },
206 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "Data retrieval confirm (DATA_RETR_CONF)" },
207 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "Data retrieval indication (DATA_RETR_IND)" },
208 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "Data retrieval complete indication (DATA_RETR_COMP_IND)" },
209 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "Congestion indication (CONG_IND)" },
210 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "Data acknowledge (DATA_ACK)" },
211 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" },
212 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" },
213 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" },
214 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" },
217 static const value_string m2ua_message_class_type_acro_values[] = {
218 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
219 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
220 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
221 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
222 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
223 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
224 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
225 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
226 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
227 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
228 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
229 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
230 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
231 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "ESTAB_REQ" },
232 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "ESTAB_CONF" },
233 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "REL_REQ" },
234 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "REL_CONF" },
235 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "REL_IND" },
236 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "STATE_REQ" },
237 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "STATE_CONF" },
238 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "STATE_IND" },
239 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "DATA_RETR_REQ" },
240 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "DATA_RETR_CONF" },
241 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "DATA_RETR_IND" },
242 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "DATA_RETR_COMP_IND" },
243 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "CONG_IND" },
244 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "DATA_ACK" },
245 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
246 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
247 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
248 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
252 dissect_m2ua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m2ua_tree)
254 guint8 version, reserved, message_class, message_type;
255 guint32 message_length;
257 /* Extract the common header */
258 version = tvb_get_guint8(common_header_tvb, VERSION_OFFSET);
259 reserved = tvb_get_guint8(common_header_tvb, RESERVED_OFFSET);
260 message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
261 message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
262 message_length = tvb_get_ntohl (common_header_tvb, MESSAGE_LENGTH_OFFSET);
264 if (check_col(pinfo->cinfo, COL_INFO)) {
265 col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, m2ua_message_class_type_acro_values, "reserved"));
266 col_append_str(pinfo->cinfo, COL_INFO, " ");
270 /* add the components of the common header to the protocol tree */
271 proto_tree_add_uint(m2ua_tree, hf_m2ua_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, version);
272 proto_tree_add_uint(m2ua_tree, hf_m2ua_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, reserved);
273 proto_tree_add_uint(m2ua_tree, hf_m2ua_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, message_class);
274 proto_tree_add_uint_format(m2ua_tree, hf_m2ua_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
275 "Message type: %s (%u)",
276 val_to_str(message_class * 256 + message_type, m2ua_message_class_type_values, "reserved"), message_type);
277 proto_tree_add_uint(m2ua_tree, hf_m2ua_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, message_length);
281 #define PARAMETER_TAG_LENGTH 2
282 #define PARAMETER_LENGTH_LENGTH 2
283 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
285 #define PARAMETER_TAG_OFFSET 0
286 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
287 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
288 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
291 #define INTERFACE_IDENTIFIER_INT_LENGTH 4
292 #define INTERFACE_IDENTIFIER_INT_OFFSET PARAMETER_VALUE_OFFSET
295 dissect_m2ua_interface_identifier_int_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
299 id = tvb_get_ntohl(parameter_tvb, INTERFACE_IDENTIFIER_INT_OFFSET);
300 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_int, parameter_tvb, INTERFACE_IDENTIFIER_INT_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, id);
301 proto_item_set_text(parameter_item, "Interface identifier parameter (integer: %u)", id);
304 #define INTERFACE_IDENTIFIER_TEXT_OFFSET PARAMETER_VALUE_OFFSET
307 dissect_m2ua_interface_identifier_text_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
309 guint16 length, id_length;
312 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
314 id_length = length - PARAMETER_HEADER_LENGTH;
315 id = (char *)tvb_get_ptr(parameter_tvb, INTERFACE_IDENTIFIER_TEXT_OFFSET, id_length);
316 proto_tree_add_string(parameter_tree, hf_m2ua_interface_id_text, parameter_tvb, INTERFACE_IDENTIFIER_TEXT_OFFSET, id_length, id);
317 proto_item_set_text(parameter_item, "Interface identifier (Text: %.*s)", id_length, id);
320 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
323 dissect_m2ua_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
325 guint16 length, info_string_length;
328 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
330 info_string_length = length - PARAMETER_HEADER_LENGTH;
331 info_string = (char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length);
332 proto_tree_add_string(parameter_tree, hf_m2ua_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, info_string);
333 proto_item_set_text(parameter_item, "Info String (%.*s)", info_string_length, info_string);
336 #define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
339 dissect_m2ua_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
341 guint16 length, diagnostic_info_length;
343 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
344 diagnostic_info_length = length - PARAMETER_HEADER_LENGTH;
346 if (diagnostic_info_length > 0)
347 proto_tree_add_bytes(parameter_tree, hf_m2ua_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diagnostic_info_length,
348 tvb_get_ptr(parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diagnostic_info_length));
350 proto_item_set_text(parameter_item, "Diagnostic information (%u byte%s)", diagnostic_info_length, plurality(diagnostic_info_length, "", "s"));
353 #define START_OFFSET 0
354 #define STOP_OFFSET (START_OFFSET + INTERFACE_IDENTIFIER_INT_LENGTH)
357 dissect_m2ua_interface_identifier_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
359 guint16 length, number_of_ranges, range_number;
363 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
364 number_of_ranges = (length - PARAMETER_HEADER_LENGTH) / (2 * INTERFACE_IDENTIFIER_INT_LENGTH);
365 range_offset = PARAMETER_VALUE_OFFSET;
366 for(range_number=1; range_number <= number_of_ranges; range_number++) {
367 start = tvb_get_ntohl(parameter_tvb, range_offset + START_OFFSET);
368 stop = tvb_get_ntohl(parameter_tvb, range_offset + STOP_OFFSET);
369 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_start, parameter_tvb, range_offset + START_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, start);
370 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_stop, parameter_tvb, range_offset + STOP_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, stop);
371 range_offset += 2 * INTERFACE_IDENTIFIER_INT_LENGTH;
373 proto_item_set_text(parameter_item, "Interface identifier (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
376 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
379 dissect_m2ua_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
381 guint16 length, heartbeat_data_length;
383 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
384 heartbeat_data_length = length - PARAMETER_HEADER_LENGTH;
386 if (heartbeat_data_length > 0)
387 proto_tree_add_bytes(parameter_tree, hf_m2ua_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length,
388 tvb_get_ptr(parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length));
390 proto_item_set_text(parameter_item, "Heartbeat data (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
393 #define OVER_RIDE_TYPE 1
394 #define LOAD_SHARE_TYPE 2
395 #define BROADCAST_TYPE 3
397 static const value_string m2ua_traffic_mode_type_values[] = {
398 { OVER_RIDE_TYPE , "Over-ride" },
399 { LOAD_SHARE_TYPE, "Load-share" },
400 { BROADCAST_TYPE, "Broadcast" },
403 #define TRAFFIC_MODE_TYPE_LENGTH 4
404 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
407 dissect_m2ua_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
409 guint32 traffic_mode_type;
411 traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET);
412 proto_tree_add_uint(parameter_tree, hf_m2ua_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, traffic_mode_type);
414 proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m2ua_traffic_mode_type_values, "unknown"));
418 #define INVALID_VERSION_ERROR_CODE 0x01
419 #define INVALID_INTERFACE_IDENTIFIER_ERROR_CODE 0x02
420 #define UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03
421 #define UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04
422 #define UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05
423 #define UNEXPECTED_MESSAGE_ERROR_CODE 0x06
424 #define PROTOCOL_ERROR_ERROR_CODE 0x07
425 #define UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE 0x08
426 #define INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09
427 #define REFUSED_ERROR_CODE 0x0d
428 #define ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e
429 #define INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f
430 #define ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE 0x10
431 #define INVALID_PARAMETER_VALUE_ERROR_CODE 0x11
432 #define PARAMETER_FIELD_ERROR_CODE 0x12
433 #define UNEXPECTED_PARAMETER_ERROR_CODE 0x13
434 #define MISSING_PARAMETER_ERROR_CODE 0x16
436 static const value_string m2ua_error_code_values[] = {
437 { INVALID_VERSION_ERROR_CODE, "Invalid version" },
438 { INVALID_INTERFACE_IDENTIFIER_ERROR_CODE, "Invalid interface identifier" },
439 { UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
440 { UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
441 { UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" },
442 { UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
443 { PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
444 { UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE, "Unsupported interface identifertype" },
445 { INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
446 { REFUSED_ERROR_CODE, "Refused - management blocking" },
447 { ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" },
448 { INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" },
449 { ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE, "ASP active for interface identifer" },
450 { INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
451 { PARAMETER_FIELD_ERROR_CODE, "Parameter field error" },
452 { UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" },
453 { MISSING_PARAMETER_ERROR_CODE, "Missing parameter" },
456 #define ERROR_CODE_LENGTH 4
457 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
460 dissect_m2ua_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
464 error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET);
465 proto_tree_add_uint(parameter_tree, hf_m2ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code);
466 proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m2ua_error_code_values, "unknown"));
469 #define AS_STATE_CHANGE_TYPE 1
472 static const value_string m2ua_status_type_values[] = {
473 { AS_STATE_CHANGE_TYPE, "Application server state change" },
474 { OTHER_TYPE, "Other" },
477 #define RESERVED_INFO 1
478 #define AS_INACTIVE_INFO 2
479 #define AS_ACTIVE_INFO 3
480 #define AS_PENDING_INFO 4
482 #define INSUFFICIENT_ASP_RES_INFO 1
483 #define ALTERNATE_ASP_ACTIVE_INFO 2
484 #define ASP_FAILURE_INFO 3
486 static const value_string m2ua_status_type_info_values[] = {
487 { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
488 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
489 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
490 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
491 { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
492 { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
493 { OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" },
496 #define STATUS_TYPE_LENGTH 2
497 #define STATUS_INFO_LENGTH 2
499 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
500 #define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
503 dissect_m2ua_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
505 guint16 status_type, status_info;
507 status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
508 status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
510 proto_tree_add_uint(parameter_tree, hf_m2ua_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, status_type);
511 proto_tree_add_uint_format(parameter_tree, hf_m2ua_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info,
512 "Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, m2ua_status_type_info_values, "unknown"), status_info);
514 proto_item_set_text(parameter_item,
515 "Status type / ID (%s)", val_to_str(status_type * 256 * 256 + status_info, m2ua_status_type_info_values, "unknown status information"));
518 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
519 #define ASP_IDENTIFIER_LENGTH 4
522 dissect_m2ua_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
526 id = tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET);
527 proto_tree_add_uint(parameter_tree, hf_m2ua_asp_id, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, id);
528 proto_item_set_text(parameter_item, "ASP identifier (%u)", id);
531 #define CORRELATION_ID_LENGTH 4
532 #define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
535 dissect_m2ua_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
539 id = tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET);
540 proto_tree_add_uint(parameter_tree, hf_m2ua_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, id);
542 proto_item_set_text(parameter_item, "Correlation identifier parameter (%u)", id);
545 #define DATA_1_MTP3_OFFSET PARAMETER_VALUE_OFFSET
548 dissect_m2ua_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_item *parameter_item)
550 tvbuff_t *payload_tvb;
551 guint32 payload_length;
553 payload_length = tvb_length(parameter_tvb) - PARAMETER_HEADER_LENGTH;
555 payload_tvb = tvb_new_subset(parameter_tvb, DATA_1_MTP3_OFFSET, payload_length, payload_length);
556 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH);
557 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
559 proto_item_set_text(parameter_item, "Data 1 parameter");
562 #define DATA_2_LI_LENGTH 1
563 #define DATA_2_LI_OFFSET PARAMETER_VALUE_OFFSET
564 #define DATA_2_MTP3_OFFSET (DATA_2_LI_OFFSET + DATA_2_LI_LENGTH)
567 dissect_m2ua_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
569 tvbuff_t *payload_tvb;
570 guint32 payload_length;
573 payload_length = tvb_length(parameter_tvb) - PARAMETER_HEADER_LENGTH - DATA_2_LI_LENGTH;
574 li = tvb_get_guint8(parameter_tvb, DATA_2_LI_OFFSET);
576 proto_tree_add_uint(parameter_tree, hf_m2ua_data_2_li, parameter_tvb, DATA_2_LI_OFFSET, DATA_2_LI_LENGTH, li);
577 payload_tvb = tvb_new_subset(parameter_tvb, DATA_2_MTP3_OFFSET, payload_length, payload_length);
578 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_2_LI_LENGTH);
579 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
581 proto_item_set_text(parameter_item, "Data 2 parameter");
585 #define STATUS_LPO_SET 0x0
586 #define STATUS_LPO_CLEAR 0x1
587 #define STATUS_EMER_SET 0x2
588 #define STATUS_EMER_CLEAR 0x3
589 #define STATUS_FLUSH_BUFFERS 0x4
590 #define STATUS_CONTINUE 0x5
591 #define STATUS_CLEAR_RTB 0x6
592 #define STATUS_AUDIT 0x7
593 #define STATUS_CONG_CLEAR 0x8
594 #define STATUS_CONG_ACCEPT 0x9
595 #define STATUS_CONG_DISCARD 0xa
597 static const value_string m2ua_state_values[] = {
598 { STATUS_LPO_SET, "Request local processor outage" },
599 { STATUS_LPO_CLEAR, "Request local processor outage recovered" },
600 { STATUS_EMER_SET, "Request emergency alignment" },
601 { STATUS_EMER_CLEAR, "Request normal alignment (cancel emergency)" },
602 { STATUS_FLUSH_BUFFERS, "Flush or clear receive, transmit and retransmit queues" },
603 { STATUS_CONTINUE, "Continue or Resume" },
604 { STATUS_CLEAR_RTB, "Clear the retransmit queue" },
605 { STATUS_AUDIT, "Audit state of link" },
606 { STATUS_CONG_CLEAR, "Congestion cleared" },
607 { STATUS_CONG_ACCEPT, "Congestion accept" },
608 { STATUS_CONG_DISCARD, "Congestion discard" },
611 #define STATE_LENGTH 4
612 #define STATE_OFFSET PARAMETER_VALUE_OFFSET
615 dissect_m2ua_state_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
619 state = tvb_get_ntohl(parameter_tvb, STATE_OFFSET);
620 proto_tree_add_uint(parameter_tree, hf_m2ua_state, parameter_tvb, STATE_OFFSET, STATE_LENGTH, state);
622 proto_item_set_text(parameter_item, "State request parameter (%s)", val_to_str(state, m2ua_state_values, "unknown"));
625 #define EVENT_RPO_ENTER 0x1
626 #define EVENT_RPO_EXIT 0x2
627 #define EVENT_LPO_ENTER 0x3
628 #define EVENT_LPO_EXIT 0x4
630 static const value_string m2ua_event_values[] = {
631 { EVENT_RPO_ENTER, "Remote entered processor outage" },
632 { EVENT_RPO_EXIT, "Remote exited processor outage" },
633 { EVENT_LPO_ENTER, "Link entered processor outage" },
634 { EVENT_LPO_EXIT, "Link exited processor outage" },
637 #define EVENT_LENGTH 4
638 #define EVENT_OFFSET PARAMETER_VALUE_OFFSET
641 dissect_m2ua_event_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
645 event = tvb_get_ntohl(parameter_tvb, STATE_OFFSET);
646 proto_tree_add_uint(parameter_tree, hf_m2ua_event, parameter_tvb, EVENT_OFFSET, EVENT_LENGTH, event);
648 proto_item_set_text(parameter_item, "State event parameter (%s)", val_to_str(event, m2ua_event_values, "unknown"));
651 #define LEVEL_NONE 0x0
656 static const value_string m2ua_level_values[] = {
657 { LEVEL_NONE, "No congestion" },
658 { LEVEL_1, "Congestion Level 1" },
659 { LEVEL_2, "Congestion Level 2" },
660 { LEVEL_3, "Congestion Level 3" },
663 #define CONGESTION_STATUS_LENGTH 4
664 #define CONGESTION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
667 dissect_m2ua_congestion_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
671 status = tvb_get_ntohl(parameter_tvb, CONGESTION_STATUS_OFFSET);
672 proto_tree_add_uint(parameter_tree, hf_m2ua_congestion_status, parameter_tvb, CONGESTION_STATUS_OFFSET, CONGESTION_STATUS_LENGTH, status);
674 proto_item_set_text(parameter_item, "Congestion status parameter (%s)", val_to_str(status, m2ua_level_values, "unknown"));
677 #define DISCARD_STATUS_LENGTH 4
678 #define DISCARD_STATUS_OFFSET PARAMETER_VALUE_OFFSET
681 dissect_m2ua_discard_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
685 status = tvb_get_ntohl(parameter_tvb, DISCARD_STATUS_OFFSET);
686 proto_tree_add_uint(parameter_tree, hf_m2ua_discard_status, parameter_tvb, DISCARD_STATUS_OFFSET, DISCARD_STATUS_LENGTH, status);
688 proto_item_set_text(parameter_item, "Discard status parameter (%s)", val_to_str(status, m2ua_level_values, "unknown"));
691 #define ACTION_RTRV_BSN 0x1
692 #define ACTION_RTRV_MSGS 0x2
694 static const value_string m2ua_action_values[] = {
695 { ACTION_RTRV_BSN, "Retrieve the backward sequence number" },
696 { ACTION_RTRV_MSGS, "Retrieve the PDUs from the transmit and retransmit queues" },
700 #define ACTION_LENGTH 4
701 #define ACTION_OFFSET PARAMETER_VALUE_OFFSET
704 dissect_m2ua_action_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
708 action = tvb_get_ntohl(parameter_tvb, ACTION_OFFSET);
709 proto_tree_add_uint(parameter_tree, hf_m2ua_action, parameter_tvb, ACTION_OFFSET, ACTION_LENGTH, action);
711 proto_item_set_text(parameter_item, "Action parameter (%s)", val_to_str(action, m2ua_action_values, "unknown"));
714 #define SEQUENCE_NUMBER_LENGTH 4
715 #define SEQUENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
718 dissect_m2ua_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
722 number = tvb_get_ntohl(parameter_tvb, SEQUENCE_NUMBER_OFFSET);
723 proto_tree_add_uint(parameter_tree, hf_m2ua_sequence_number, parameter_tvb, SEQUENCE_NUMBER_OFFSET, SEQUENCE_NUMBER_LENGTH, number);
725 proto_item_set_text(parameter_item, "Sequence number parameter (%u)", number);
728 #define RESULT_SUCCESS 0x0
729 #define RESULT_FAILURE 0x1
731 static const value_string m2ua_retrieval_result_values[] = {
732 { RESULT_SUCCESS, "Action successful" },
733 { RESULT_FAILURE , "Action failed" },
737 #define RETRIEVAL_RESULT_LENGTH 4
738 #define RETRIEVAL_RESULT_OFFSET PARAMETER_VALUE_OFFSET
741 dissect_m2ua_retrieval_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
745 result = tvb_get_ntohl(parameter_tvb, RETRIEVAL_RESULT_OFFSET);
746 proto_tree_add_uint(parameter_tree, hf_m2ua_retrieval_result, parameter_tvb, RETRIEVAL_RESULT_OFFSET, RETRIEVAL_RESULT_LENGTH, result);
748 proto_item_set_text(parameter_item, "Retrieval result parameter (%s)", val_to_str(result, m2ua_retrieval_result_values, "unknown"));
752 dissect_m2ua_link_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
754 tvbuff_t *parameters_tvb;
755 guint16 length, parameters_length;
757 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
758 parameters_length = length - PARAMETER_HEADER_LENGTH;
759 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
760 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
761 proto_item_set_text(parameter_item, "Link key parameter");
764 #define LOCAL_LK_ID_LENGTH 4
765 #define LOCAL_LK_ID_OFFSET PARAMETER_VALUE_OFFSET
768 dissect_m2ua_local_lk_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
772 id = tvb_get_ntohl(parameter_tvb, LOCAL_LK_ID_OFFSET);
773 proto_tree_add_uint(parameter_tree, hf_m2ua_local_lk_id, parameter_tvb, LOCAL_LK_ID_OFFSET, LOCAL_LK_ID_LENGTH, id);
775 proto_item_set_text(parameter_item, "Local KL identifier parameter (%u)", id);
778 #define SDT_RESERVED_LENGTH 2
779 #define SDT_ID_LENGTH 2
780 #define SDT_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
781 #define SDT_ID_OFFSET (SDT_RESERVED_OFFSET + SDT_RESERVED_LENGTH)
784 dissect_m2ua_sdt_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
786 guint16 reserved, id;
788 reserved = tvb_get_ntohs(parameter_tvb, SDT_RESERVED_OFFSET);
789 id = tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET);
791 proto_tree_add_uint(parameter_tree, hf_m2ua_sdt_reserved, parameter_tvb, SDT_RESERVED_OFFSET, SDT_RESERVED_LENGTH, reserved);
792 proto_tree_add_uint(parameter_tree, hf_m2ua_sdt_id, parameter_tvb, SDT_ID_OFFSET, SDT_ID_LENGTH, id);
794 proto_item_set_text(parameter_item, "SDT identifier parameter (%u)", id);
797 #define SDL_RESERVED_LENGTH 2
798 #define SDL_ID_LENGTH 2
799 #define SDL_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
800 #define SDL_ID_OFFSET (SDL_RESERVED_OFFSET + SDL_RESERVED_LENGTH)
803 dissect_m2ua_sdl_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
805 guint16 reserved, id;
807 reserved = tvb_get_ntohs(parameter_tvb, SDT_RESERVED_OFFSET);
808 id = tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET);
810 proto_tree_add_uint(parameter_tree, hf_m2ua_sdl_reserved, parameter_tvb, SDL_RESERVED_OFFSET, SDL_RESERVED_LENGTH, reserved);
811 proto_tree_add_uint(parameter_tree, hf_m2ua_sdl_id, parameter_tvb, SDL_ID_OFFSET, SDL_ID_LENGTH, id);
813 proto_item_set_text(parameter_item, "SDL identifier parameter (%u)", id);
817 dissect_m2ua_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
819 tvbuff_t *parameters_tvb;
820 guint16 length, parameters_length;
822 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
823 parameters_length = length - PARAMETER_HEADER_LENGTH;
824 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
825 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
826 proto_item_set_text(parameter_item, "Registration result parameter");
829 #define SUCCESSFULL_REGISTRATION_STATUS 0
830 #define UNKNOWN_REGISTRATION_STATUS 1
831 #define INVALID_SDLI_REGISTRATION_STATUS 2
832 #define INVALID_SDTI_REGISTRATION_STATUS 3
833 #define INVALID_LINK_KEY_REGISTRATION_STATUS 4
834 #define PERMISSION_DENIED_REGISTRATION_STATUS 5
835 #define OVERLAPPING_LINK_KEY_REGISTRATION_STATUS 6
836 #define LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS 7
837 #define INSUFFICIENT_RESOURCES_REGISTRATION_STATUS 8
839 static const value_string m2ua_registration_status_values[] = {
840 { SUCCESSFULL_REGISTRATION_STATUS, "Successfully Registered" },
841 { UNKNOWN_REGISTRATION_STATUS, "Error - Unknown" },
842 { INVALID_SDLI_REGISTRATION_STATUS, "Error - Invalid SDLI" },
843 { INVALID_SDTI_REGISTRATION_STATUS, "Error - Invalid SDTI" },
844 { INVALID_LINK_KEY_REGISTRATION_STATUS, "Error - Invalid Link Key" },
845 { PERMISSION_DENIED_REGISTRATION_STATUS, "Error - Permission Denied" },
846 { OVERLAPPING_LINK_KEY_REGISTRATION_STATUS, "Error - Overlapping (Non-unique) Link Key" },
847 { LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS, "Error - Link Key not Provisioned" },
848 { INSUFFICIENT_RESOURCES_REGISTRATION_STATUS, "Error - Insufficient Resources" },
851 #define REGISTRATION_STATUS_LENGTH 4
852 #define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
855 dissect_m2ua_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
859 status = tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET);
860 proto_tree_add_uint(parameter_tree, hf_m2ua_registration_status, parameter_tvb, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, status);
862 proto_item_set_text(parameter_item, "Registration status parameter (%s)", val_to_str(status, m2ua_registration_status_values, "unknown"));
866 dissect_m2ua_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
868 tvbuff_t *parameters_tvb;
869 guint16 length, parameters_length;
871 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
872 parameters_length = length - PARAMETER_HEADER_LENGTH;
873 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
874 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
875 proto_item_set_text(parameter_item, "Deregistration result parameter");
878 #define SUCCESSFULL_DEREGISTRATION_STATUS 0
879 #define UNKNOWN_DEREGISTRATION_STATUS 1
880 #define INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS 2
881 #define PERMISSION_DENIED_DEREGISTRATION_STATUS 3
882 #define NOT_REGISTRED_DEREGISTRATION_STATUS 4
884 static const value_string m2ua_deregistration_status_values[] = {
885 { SUCCESSFULL_DEREGISTRATION_STATUS, "Successfully Registered" },
886 { UNKNOWN_DEREGISTRATION_STATUS, "Error - Unknown" },
887 { INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS, "Error - Invalid interface identifier" },
888 { PERMISSION_DENIED_DEREGISTRATION_STATUS, "Error - Permission Denied" },
889 { NOT_REGISTRED_DEREGISTRATION_STATUS, "Error - Not registered" },
892 #define DEREGISTRATION_STATUS_LENGTH 4
893 #define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
896 dissect_m2ua_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
900 status = tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET);
901 proto_tree_add_uint(parameter_tree, hf_m2ua_deregistration_status, parameter_tvb, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, status);
903 proto_item_set_text(parameter_item, "Deregistration status parameter (%s)", val_to_str(status, m2ua_deregistration_status_values, "unknown"));
907 dissect_m2ua_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
909 guint16 tag, length, parameter_value_length;
911 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
912 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
914 parameter_value_length = length - PARAMETER_HEADER_LENGTH;
916 if (parameter_value_length > 0)
917 proto_tree_add_bytes(parameter_tree, hf_m2ua_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
918 tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length));
920 proto_item_set_text(parameter_item, "Parameter with tag %u and %u byte%s value", tag, parameter_value_length, plurality(parameter_value_length, "", "s"));
923 /* Common parameter tags */
924 #define INTERFACE_IDENTIFIER_INT_PARAMETER_TAG 0x0001
925 #define INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG 0x0003
926 #define INFO_STRING_PARAMETER_TAG 0x0004
927 #define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
928 #define INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG 0x0008
929 #define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
930 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
931 #define ERROR_CODE_PARAMETER_TAG 0x000c
932 #define STATUS_PARAMETER_TAG 0x000d
933 #define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
934 #define CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013
936 /* M2PA specific parameter tags */
937 #define PROTOCOL_DATA_1_PARAMETER_TAG 0x0300
938 #define PROTOCOL_DATA_2_PARAMETER_TAG 0x0301
939 #define STATE_REQUEST_PARAMETER_TAG 0x0302
940 #define STATE_EVENT_PARAMETER_TAG 0x0303
941 #define CONGESTION_STATUS_PARAMETER_TAG 0x0304
942 #define DISCARD_STATUS_PARAMETER_TAG 0x0305
943 #define ACTION_PARAMETER_TAG 0x0306
944 #define SEQUENCE_NUMBER_PARAMETER_TAG 0x0307
945 #define RETRIEVAL_RESULT_PARAMETER_TAG 0x0308
946 #define LINK_KEY_PARAMETER_TAG 0x0309
947 #define LOCAL_LK_IDENTIFIER_PARAMETER_TAG 0x030a
948 #define SDT_IDENTIFIER_PARAMETER_TAG 0x030b
949 #define SDL_IDENTIFIER_PARAMETER_TAG 0x030c
950 #define REG_RESULT_PARAMETER_TAG 0x030d
951 #define REG_STATUS_PARAMETER_TAG 0x030e
952 #define DEREG_RESULT_PARAMETER_TAG 0x030f
953 #define DEREG_STATUS_PARAMETER_TAG 0x0310
955 static const value_string m2ua_parameter_tag_values[] = {
956 { INTERFACE_IDENTIFIER_INT_PARAMETER_TAG, "Interface identifier (integer)" },
957 { INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG, "Interface identifier (text)" },
958 { INFO_STRING_PARAMETER_TAG, "Info string" },
959 { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
960 { INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG, "Interface identifier (integer range)" },
961 { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
962 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
963 { ERROR_CODE_PARAMETER_TAG, "Error code" },
964 { STATUS_PARAMETER_TAG, "Status type / information" },
965 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
966 { CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" },
967 { PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
968 { PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
969 { STATE_REQUEST_PARAMETER_TAG, "State request" },
970 { STATE_EVENT_PARAMETER_TAG, "State event" },
971 { CONGESTION_STATUS_PARAMETER_TAG, "Congestion state" },
972 { DISCARD_STATUS_PARAMETER_TAG, "Discard state" },
973 { ACTION_PARAMETER_TAG, "Action" },
974 { SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
975 { RETRIEVAL_RESULT_PARAMETER_TAG, "Retrieval result" },
976 { LINK_KEY_PARAMETER_TAG, "Link key" },
977 { LOCAL_LK_IDENTIFIER_PARAMETER_TAG, "Local LK identifier" },
978 { SDT_IDENTIFIER_PARAMETER_TAG, "SDT identifier" },
979 { SDL_IDENTIFIER_PARAMETER_TAG, "SDL identifer" },
980 { REG_RESULT_PARAMETER_TAG, "Registration result" },
981 { REG_STATUS_PARAMETER_TAG, "Registration status" },
982 { DEREG_RESULT_PARAMETER_TAG, "Deregistration result" },
983 { DEREG_STATUS_PARAMETER_TAG, "Deregistration status" },
987 dissect_m2ua_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
989 guint16 tag, length, padding_length, total_length;
990 proto_item *parameter_item;
991 proto_tree *parameter_tree;
993 /* extract tag and length from the parameter */
994 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
995 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
997 /* calculate padding and total length */
998 padding_length = tvb_length(parameter_tvb) - length;
999 total_length = length + padding_length;
1001 /* create proto_tree stuff */
1002 parameter_item = proto_tree_add_text(m2ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
1003 parameter_tree = proto_item_add_subtree(parameter_item, ett_m2ua_parameter);
1005 /* add tag and length to the m2ua tree */
1006 proto_tree_add_uint(parameter_tree, hf_m2ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag);
1007 proto_tree_add_uint(parameter_tree, hf_m2ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
1010 case INTERFACE_IDENTIFIER_INT_PARAMETER_TAG:
1011 dissect_m2ua_interface_identifier_int_parameter(parameter_tvb, parameter_tree, parameter_item);
1013 case INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG:
1014 dissect_m2ua_interface_identifier_text_parameter(parameter_tvb, parameter_tree, parameter_item);
1016 case INFO_STRING_PARAMETER_TAG:
1017 dissect_m2ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
1019 case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
1020 dissect_m2ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
1022 case INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG:
1023 dissect_m2ua_interface_identifier_range_parameter(parameter_tvb, parameter_tree, parameter_item);
1025 case HEARTBEAT_DATA_PARAMETER_TAG:
1026 dissect_m2ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1028 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
1029 dissect_m2ua_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1031 case ERROR_CODE_PARAMETER_TAG:
1032 dissect_m2ua_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1034 case STATUS_PARAMETER_TAG:
1035 dissect_m2ua_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1037 case ASP_IDENTIFIER_PARAMETER_TAG:
1038 dissect_m2ua_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1040 case CORRELATION_IDENTIFIER_PARAMETER_TAG:
1041 dissect_m2ua_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1043 case PROTOCOL_DATA_1_PARAMETER_TAG:
1044 dissect_m2ua_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_item);
1046 case PROTOCOL_DATA_2_PARAMETER_TAG:
1047 dissect_m2ua_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1049 case STATE_REQUEST_PARAMETER_TAG:
1050 dissect_m2ua_state_request_parameter(parameter_tvb, parameter_tree, parameter_item);
1052 case STATE_EVENT_PARAMETER_TAG:
1053 dissect_m2ua_event_request_parameter(parameter_tvb, parameter_tree, parameter_item);
1055 case CONGESTION_STATUS_PARAMETER_TAG:
1056 dissect_m2ua_congestion_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1058 case DISCARD_STATUS_PARAMETER_TAG:
1059 dissect_m2ua_discard_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1061 case ACTION_PARAMETER_TAG:
1062 dissect_m2ua_action_parameter(parameter_tvb, parameter_tree, parameter_item);
1064 case SEQUENCE_NUMBER_PARAMETER_TAG:
1065 dissect_m2ua_sequence_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1067 case RETRIEVAL_RESULT_PARAMETER_TAG:
1068 dissect_m2ua_retrieval_result_parameter(parameter_tvb, parameter_tree, parameter_item);
1070 case LINK_KEY_PARAMETER_TAG:
1071 dissect_m2ua_link_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1073 case LOCAL_LK_IDENTIFIER_PARAMETER_TAG:
1074 dissect_m2ua_local_lk_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1076 case SDT_IDENTIFIER_PARAMETER_TAG:
1077 dissect_m2ua_sdt_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1079 case SDL_IDENTIFIER_PARAMETER_TAG:
1080 dissect_m2ua_sdl_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1082 case REG_RESULT_PARAMETER_TAG:
1083 dissect_m2ua_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1085 case REG_STATUS_PARAMETER_TAG:
1086 dissect_m2ua_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1088 case DEREG_RESULT_PARAMETER_TAG:
1089 dissect_m2ua_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1091 case DEREG_STATUS_PARAMETER_TAG:
1092 dissect_m2ua_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1095 dissect_m2ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1099 if (padding_length > 0)
1100 proto_tree_add_bytes(parameter_tree, hf_m2ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
1101 tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
1106 dissect_m2ua_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1108 gint offset, length, padding_length, total_length, remaining_length;
1109 tvbuff_t *parameter_tvb;
1112 while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
1113 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1114 padding_length = nr_of_padding_bytes(length);
1115 if (remaining_length >= length)
1116 total_length = MIN(length + padding_length, remaining_length);
1118 total_length = length + padding_length;
1119 /* create a tvb for the parameter including the padding bytes */
1120 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
1121 dissect_m2ua_parameter(parameter_tvb, pinfo, tree, m2ua_tree);
1122 /* get rid of the handled parameter */
1123 offset += total_length;
1129 dissect_m2ua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1131 tvbuff_t *common_header_tvb, *parameters_tvb;
1133 common_header_tvb = tvb_new_subset(message_tvb, 0, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
1134 parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1);
1135 dissect_m2ua_common_header(common_header_tvb, pinfo, m2ua_tree);
1136 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, m2ua_tree);
1140 dissect_m2ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
1142 proto_item *m2ua_item;
1143 proto_tree *m2ua_tree;
1145 /* make entry in the Protocol column on summary display */
1146 if (check_col(pinfo->cinfo, COL_PROTOCOL))
1147 col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2UA");
1149 /* In the interest of speed, if "tree" is NULL, don't do any work not
1150 necessary to generate protocol tree items. */
1152 /* create the m2ua protocol tree */
1153 m2ua_item = proto_tree_add_item(tree, proto_m2ua, message_tvb, 0, -1, FALSE);
1154 m2ua_tree = proto_item_add_subtree(m2ua_item, ett_m2ua);
1158 /* dissect the message */
1159 dissect_m2ua_message(message_tvb, pinfo, tree, m2ua_tree);
1162 /* Register the protocol with Ethereal */
1164 proto_register_m2ua(void)
1167 /* Setup list of header fields */
1168 static hf_register_info hf[] = {
1169 { &hf_m2ua_version, { "Version", "m2ua.version", FT_UINT8, BASE_DEC, VALS(m2ua_protocol_version_values), 0x0, "", HFILL } },
1170 { &hf_m2ua_reserved, { "Reserved", "m2ua.reserved", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1171 { &hf_m2ua_message_class, { "Message class", "m2ua.message_class", FT_UINT8, BASE_DEC, VALS(m2ua_message_class_values), 0x0, "", HFILL } },
1172 { &hf_m2ua_message_type, { "Message Type", "m2ua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1173 { &hf_m2ua_message_length, { "Message length", "m2ua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1174 { &hf_m2ua_parameter_tag, { "Parameter Tag", "m2ua.parameter_tag", FT_UINT16, BASE_HEX, VALS(m2ua_parameter_tag_values), 0x0, "", HFILL } },
1175 { &hf_m2ua_parameter_length, { "Parameter length", "m2ua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1176 { &hf_m2ua_parameter_value, { "Parameter value", "m2ua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1177 { &hf_m2ua_parameter_padding, { "Padding", "m2ua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1178 { &hf_m2ua_interface_id_int, { "Interface Identifier (integer)", "m2ua.interface_identifier_int", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1179 { &hf_m2ua_interface_id_text, { "Interface identifier (text)", "m2ua.interface_identifier_text", FT_STRING, BASE_DEC, NULL, 0x0, "", HFILL } },
1180 { &hf_m2ua_info_string, { "Info string", "m2ua.info_string", FT_STRING, BASE_DEC, NULL, 0x0, "", HFILL } },
1181 { &hf_m2ua_diagnostic_information, { "Diagnostic information", "m2ua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1182 { &hf_m2ua_interface_id_start, { "Interface Identifier (start)", "m2ua.interface_identifier_start", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1183 { &hf_m2ua_interface_id_stop, { "Interface Identifier (stop)", "m2ua.interface_identifier_stop", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1184 { &hf_m2ua_heartbeat_data, { "Heartbeat data", "m2ua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1185 { &hf_m2ua_traffic_mode_type, { "Traffic mode Type", "m2ua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(m2ua_traffic_mode_type_values), 0x0, "", HFILL } },
1186 { &hf_m2ua_error_code, { "Error code", "m2ua.error_code", FT_UINT32, BASE_DEC, VALS(m2ua_error_code_values), 0x0, "", HFILL } },
1187 { &hf_m2ua_status_type, { "Status type", "m2ua.status_type", FT_UINT16, BASE_DEC, VALS(m2ua_status_type_values), 0x0, "", HFILL } },
1188 { &hf_m2ua_status_info, { "Status info", "m2ua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1189 { &hf_m2ua_asp_id, { "ASP identifier", "m2ua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1190 { &hf_m2ua_correlation_id, { "Correlation identifier", "m2ua.correlation identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1191 { &hf_m2ua_data_2_li, { "Length indicator", "m2ua.data_2_li", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1192 { &hf_m2ua_state, { "State", "m2ua.state", FT_UINT32, BASE_DEC, VALS(m2ua_state_values), 0x0, "", HFILL } },
1193 { &hf_m2ua_event, { "Event", "m2ua.event", FT_UINT32, BASE_DEC, VALS(m2ua_event_values), 0x0, "", HFILL } },
1194 { &hf_m2ua_congestion_status, { "Congestion status", "m2ua.congestion_status", FT_UINT32, BASE_DEC, VALS(m2ua_level_values), 0x0, "", HFILL } },
1195 { &hf_m2ua_discard_status, { "Discard status", "m2ua.discard_status", FT_UINT32, BASE_DEC, VALS(m2ua_level_values), 0x0, "", HFILL } },
1196 { &hf_m2ua_action, { "Actions", "m2ua.action", FT_UINT32, BASE_DEC, VALS(m2ua_action_values), 0x0, "", HFILL } },
1197 { &hf_m2ua_sequence_number, { "Sequence number", "m2ua.sequence_number", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1198 { &hf_m2ua_retrieval_result, { "Retrieval result", "m2ua.retrieval_result", FT_UINT32, BASE_DEC, VALS(m2ua_retrieval_result_values), 0x0, "", HFILL } },
1199 { &hf_m2ua_local_lk_id, { "Local LK identifier", "m2ua.local_lk_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1200 { &hf_m2ua_sdt_reserved, { "Reserved", "m2ua.sdt_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1201 { &hf_m2ua_sdt_id, { "SDT identifier", "m2ua.sdt_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1202 { &hf_m2ua_sdl_reserved, { "Reserved", "m2ua.sdl_reserved", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1203 { &hf_m2ua_sdl_id, { "SDL identifier", "m2ua.sdl_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1204 { &hf_m2ua_registration_status, { "Registration status", "m2ua.registration_status", FT_UINT32, BASE_DEC, VALS(m2ua_registration_status_values), 0x0, "", HFILL } },
1205 { &hf_m2ua_deregistration_status, { "Deregistration status", "m2ua.deregistration_status", FT_UINT32, BASE_DEC, VALS(m2ua_deregistration_status_values), 0x0, "", HFILL } },
1208 /* Setup protocol subtree array */
1209 static gint *ett[] = {
1211 &ett_m2ua_parameter,
1214 /* Register the protocol name and description */
1215 proto_m2ua = proto_register_protocol("MTP 2 User Adaptation Layer", "M2UA", "m2ua");
1217 /* Required function calls to register the header fields and subtrees used */
1218 proto_register_field_array(proto_m2ua, hf, array_length(hf));
1219 proto_register_subtree_array(ett, array_length(ett));
1224 proto_reg_handoff_m2ua(void)
1226 dissector_handle_t m2ua_handle;
1228 mtp3_handle = find_dissector("mtp3");
1229 m2ua_handle = create_dissector_handle(dissect_m2ua, proto_m2ua);
1230 dissector_add("sctp.ppi", M2UA_PAYLOAD_PROTO_ID, m2ua_handle);
1231 dissector_add("sctp.port", SCTP_PORT_M2UA, m2ua_handle);