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 1.1 2002/04/14 22:52:49 guy 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.
39 // #include <stdlib.h>
41 // #include <string.h>
44 #include <epan/packet.h>
46 #define SCTP_PORT_M2UA 2904
47 #define M2UA_PAYLOAD_PROTO_ID 2
52 /* Initialize the protocol and registered fields */
53 static int proto_m2ua = -1;
54 static int hf_m2ua_version = -1;
55 static int hf_m2ua_reserved = -1;
56 static int hf_m2ua_message_class = -1;
57 static int hf_m2ua_message_type = -1;
58 static int hf_m2ua_message_length = -1;
59 static int hf_m2ua_parameter_tag = -1;
60 static int hf_m2ua_parameter_length = -1;
61 static int hf_m2ua_parameter_value = -1;
62 static int hf_m2ua_parameter_padding = -1;
63 static int hf_m2ua_interface_id_int = -1;
64 static int hf_m2ua_interface_id_text = -1;
65 static int hf_m2ua_info_string = -1;
66 static int hf_m2ua_diagnostic_information = -1;
67 static int hf_m2ua_interface_id_start = -1;
68 static int hf_m2ua_interface_id_stop = -1;
69 static int hf_m2ua_heartbeat_data = -1;
70 static int hf_m2ua_traffic_mode_type = -1;
71 static int hf_m2ua_error_code = -1;
72 static int hf_m2ua_status_type = -1;
73 static int hf_m2ua_status_info = -1;
74 static int hf_m2ua_asp_id = -1;
75 static int hf_m2ua_correlation_id = -1;
76 static int hf_m2ua_data_2_li = -1;
77 static int hf_m2ua_state = -1;
78 static int hf_m2ua_event = -1;
79 static int hf_m2ua_congestion_status = -1;
80 static int hf_m2ua_discard_status = -1;
81 static int hf_m2ua_action = -1;
82 static int hf_m2ua_sequence_number = -1;
83 static int hf_m2ua_retrieval_result = -1;
84 static int hf_m2ua_local_lk_id = -1;
85 static int hf_m2ua_sdt_reserved = -1;
86 static int hf_m2ua_sdt_id = -1;
87 static int hf_m2ua_sdl_reserved = -1;
88 static int hf_m2ua_sdl_id = -1;
89 static int hf_m2ua_registration_status = -1;
90 static int hf_m2ua_deregistration_status = -1;
92 /* Initialize the subtree pointers */
93 static gint ett_m2ua = -1;
94 static gint ett_m2ua_parameter = -1;
96 static dissector_handle_t mtp3_handle;
99 dissect_m2ua_parameters(tvbuff_t *, packet_info *, proto_tree *, proto_tree *);
102 nr_of_padding_bytes (guint length)
106 remainder = length % 4;
111 return 4 - remainder;
114 #define VERSION_LENGTH 1
115 #define RESERVED_LENGTH 1
116 #define MESSAGE_CLASS_LENGTH 1
117 #define MESSAGE_TYPE_LENGTH 1
118 #define MESSAGE_LENGTH_LENGTH 4
119 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
120 MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
122 #define VERSION_OFFSET 0
123 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
124 #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
125 #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
126 #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
128 #define PROTOCOL_VERSION_RELEASE_1 1
130 static const value_string m2ua_protocol_version_values[] = {
131 { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
134 #define MESSAGE_CLASS_MGMT_MESSAGE 0
135 #define MESSAGE_CLASS_ASPSM_MESSAGE 3
136 #define MESSAGE_CLASS_ASPTM_MESSAGE 4
137 #define MESSAGE_CLASS_MAUP_MESSAGE 6
138 #define MESSAGE_CLASS_IIM_MESSAGE 10
140 static const value_string m2ua_message_class_values[] = {
141 { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
142 { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
143 { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
144 { MESSAGE_CLASS_MAUP_MESSAGE, "MTP2 user adaptation messages" },
145 { MESSAGE_CLASS_IIM_MESSAGE, "Interface identifier management messages" },
149 #define MESSAGE_TYPE_ERR 0
150 #define MESSAGE_TYPE_NTFY 1
153 #define MESSAGE_TYPE_UP 1
154 #define MESSAGE_TYPE_DOWN 2
155 #define MESSAGE_TYPE_BEAT 3
156 #define MESSAGE_TYPE_UP_ACK 4
157 #define MESSAGE_TYPE_DOWN_ACK 5
158 #define MESSAGE_TYPE_BEAT_ACK 6
161 #define MESSAGE_TYPE_ACTIVE 1
162 #define MESSAGE_TYPE_INACTIVE 2
163 #define MESSAGE_TYPE_ACTIVE_ACK 3
164 #define MESSAGE_TYPE_INACTIVE_ACK 4
167 #define MESSAGE_TYPE_DATA 1
168 #define MESSAGE_TYPE_ESTAB_REQ 2
169 #define MESSAGE_TYPE_ESTAB_CONF 3
170 #define MESSAGE_TYPE_REL_REQ 4
171 #define MESSAGE_TYPE_REL_CONF 5
172 #define MESSAGE_TYPE_REL_IND 6
173 #define MESSAGE_TYPE_STATE_REQ 7
174 #define MESSAGE_TYPE_STATE_CONF 8
175 #define MESSAGE_TYPE_STATE_IND 9
176 #define MESSAGE_TYPE_DATA_RETR_REQ 10
177 #define MESSAGE_TYPE_DATA_RETR_CONF 11
178 #define MESSAGE_TYPE_DATA_RETR_IND 12
179 #define MESSAGE_TYPE_DATA_RETR_COMP_IND 13
180 #define MESSAGE_TYPE_CONG_IND 14
181 #define MESSAGE_TYPE_DATA_ACK 15
184 #define MESSAGE_TYPE_REG_REQ 1
185 #define MESSAGE_TYPE_REG_RSP 2
186 #define MESSAGE_TYPE_DEREG_REQ 3
187 #define MESSAGE_TYPE_DEREG_RSP 4
189 static const value_string m2ua_message_class_type_values[] = {
190 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
191 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
192 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
193 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
194 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
195 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
196 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
197 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
198 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
199 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
200 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
201 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
202 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA (DATA)" },
203 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "Establish request (ESTAB_REQ)" },
204 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "Establish confirm (ESTAB_CONF)" },
205 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "Release request (REL_REQ)" },
206 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "Release confirm (REL_CONF)" },
207 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "Release indication (REL_IND)" },
208 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "State request (STATE_REQ)" },
209 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "State confirm (STATE_CONF)" },
210 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "State indication (STATE_IND)" },
211 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "Data retrieval request (DATA_RETR_REQ)" },
212 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "Data retrieval confirm (DATA_RETR_CONF)" },
213 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "Data retrieval indication (DATA_RETR_IND)" },
214 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "Data retrieval complete indication (DATA_RETR_COMP_IND)" },
215 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "Congestion indication (CONG_IND)" },
216 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "Data acknowledge (DATA_ACK)" },
217 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration request (REG_REQ)" },
218 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registration response (REG_RSP)" },
219 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration request (DEREG_REQ)" },
220 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistration response (DEREG_RSP)" },
223 static const value_string m2ua_message_class_type_acro_values[] = {
224 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
225 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
226 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
227 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
228 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
229 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
230 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
231 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
232 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
233 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
234 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
235 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
236 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA, "DATA" },
237 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_REQ, "ESTAB_REQ" },
238 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_ESTAB_CONF, "ESTAB_CONF" },
239 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_REQ, "REL_REQ" },
240 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_CONF, "REL_CONF" },
241 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_REL_IND, "REL_IND" },
242 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_REQ, "STATE_REQ" },
243 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_CONF, "STATE_CONF" },
244 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_STATE_IND, "STATE_IND" },
245 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_REQ, "DATA_RETR_REQ" },
246 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_CONF, "DATA_RETR_CONF" },
247 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_IND, "DATA_RETR_IND" },
248 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_RETR_COMP_IND, "DATA_RETR_COMP_IND" },
249 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_CONG_IND, "CONG_IND" },
250 { MESSAGE_CLASS_MAUP_MESSAGE * 256 + MESSAGE_TYPE_DATA_ACK, "DATA_ACK" },
251 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
252 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
253 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
254 { MESSAGE_CLASS_IIM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
258 dissect_m2ua_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *m2ua_tree)
260 guint8 version, reserved, message_class, message_type;
261 guint32 message_length;
263 /* Extract the common header */
264 version = tvb_get_guint8(common_header_tvb, VERSION_OFFSET);
265 reserved = tvb_get_guint8(common_header_tvb, RESERVED_OFFSET);
266 message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
267 message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
268 message_length = tvb_get_ntohl (common_header_tvb, MESSAGE_LENGTH_OFFSET);
270 if (check_col(pinfo->cinfo, COL_INFO)) {
271 col_append_str(pinfo->cinfo, COL_INFO, val_to_str(message_class * 256 + message_type, m2ua_message_class_type_acro_values, "reserved"));
272 col_append_str(pinfo->cinfo, COL_INFO, " ");
276 /* add the components of the common header to the protocol tree */
277 proto_tree_add_uint(m2ua_tree, hf_m2ua_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, version);
278 proto_tree_add_uint(m2ua_tree, hf_m2ua_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, reserved);
279 proto_tree_add_uint(m2ua_tree, hf_m2ua_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, message_class);
280 proto_tree_add_uint_format(m2ua_tree, hf_m2ua_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type,
281 "Message type: %s (%u)",
282 val_to_str(message_class * 256 + message_type, m2ua_message_class_type_values, "reserved"), message_type);
283 proto_tree_add_uint(m2ua_tree, hf_m2ua_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, message_length);
287 #define PARAMETER_TAG_LENGTH 2
288 #define PARAMETER_LENGTH_LENGTH 2
289 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
291 #define PARAMETER_TAG_OFFSET 0
292 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
293 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
294 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
297 #define INTERFACE_IDENTIFIER_INT_LENGTH 4
298 #define INTERFACE_IDENTIFIER_INT_OFFSET PARAMETER_VALUE_OFFSET
301 dissect_m2ua_interface_identifier_int_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
305 id = tvb_get_ntohl(parameter_tvb, INTERFACE_IDENTIFIER_INT_OFFSET);
306 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_int, parameter_tvb, INTERFACE_IDENTIFIER_INT_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, id);
307 proto_item_set_text(parameter_item, "Interface identifier parameter (integer: %u)", id);
310 #define INTERFACE_IDENTIFIER_TEXT_OFFSET PARAMETER_VALUE_OFFSET
313 dissect_m2ua_interface_identifier_text_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
315 guint16 length, id_length;
318 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
320 id_length = length - PARAMETER_HEADER_LENGTH;
321 id = (char *)tvb_get_ptr(parameter_tvb, INTERFACE_IDENTIFIER_TEXT_OFFSET, id_length);
322 proto_tree_add_string(parameter_tree, hf_m2ua_interface_id_text, parameter_tvb, INTERFACE_IDENTIFIER_TEXT_OFFSET, id_length, id);
323 proto_item_set_text(parameter_item, "Interface identifier (Text: %.*s)", id_length, id);
326 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
329 dissect_m2ua_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
331 guint16 length, info_string_length;
334 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
336 info_string_length = length - PARAMETER_HEADER_LENGTH;
337 info_string = (char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length);
338 proto_tree_add_string(parameter_tree, hf_m2ua_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, info_string);
339 proto_item_set_text(parameter_item, "Info String (%.*s)", info_string_length, info_string);
342 #define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
345 dissect_m2ua_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
347 guint16 length, diagnostic_info_length;
349 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
350 diagnostic_info_length = length - PARAMETER_HEADER_LENGTH;
352 if (diagnostic_info_length > 0)
353 proto_tree_add_bytes(parameter_tree, hf_m2ua_diagnostic_information, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diagnostic_info_length,
354 tvb_get_ptr(parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diagnostic_info_length));
356 proto_item_set_text(parameter_item, "Diagnostic information (%u byte%s)", diagnostic_info_length, plurality(diagnostic_info_length, "", "s"));
359 #define START_OFFSET 0
360 #define STOP_OFFSET (START_OFFSET + INTERFACE_IDENTIFIER_INT_LENGTH)
363 dissect_m2ua_interface_identifier_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
365 guint16 length, number_of_ranges, range_number;
369 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
370 number_of_ranges = (length - PARAMETER_HEADER_LENGTH) / (2 * INTERFACE_IDENTIFIER_INT_LENGTH);
371 range_offset = PARAMETER_VALUE_OFFSET;
372 for(range_number=1; range_number <= number_of_ranges; range_number++) {
373 start = tvb_get_ntohl(parameter_tvb, range_offset + START_OFFSET);
374 stop = tvb_get_ntohl(parameter_tvb, range_offset + STOP_OFFSET);
375 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_start, parameter_tvb, range_offset + START_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, start);
376 proto_tree_add_uint(parameter_tree, hf_m2ua_interface_id_stop, parameter_tvb, range_offset + STOP_OFFSET, INTERFACE_IDENTIFIER_INT_LENGTH, stop);
377 range_offset += 2 * INTERFACE_IDENTIFIER_INT_LENGTH;
379 proto_item_set_text(parameter_item, "Interface identifier (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
382 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
385 dissect_m2ua_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
387 guint16 length, heartbeat_data_length;
389 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
390 heartbeat_data_length = length - PARAMETER_HEADER_LENGTH;
392 if (heartbeat_data_length > 0)
393 proto_tree_add_bytes(parameter_tree, hf_m2ua_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length,
394 tvb_get_ptr(parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length));
396 proto_item_set_text(parameter_item, "Heartbeat data (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
399 #define OVER_RIDE_TYPE 1
400 #define LOAD_SHARE_TYPE 2
401 #define BROADCAST_TYPE 3
403 static const value_string m2ua_traffic_mode_type_values[] = {
404 { OVER_RIDE_TYPE , "Over-ride" },
405 { LOAD_SHARE_TYPE, "Load-share" },
406 { BROADCAST_TYPE, "Broadcast" },
409 #define TRAFFIC_MODE_TYPE_LENGTH 4
410 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
413 dissect_m2ua_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
415 guint32 traffic_mode_type;
417 traffic_mode_type = tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET);
418 proto_tree_add_uint(parameter_tree, hf_m2ua_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, traffic_mode_type);
420 proto_item_set_text(parameter_item, "Traffic mode type parameter (%s)", val_to_str(traffic_mode_type, m2ua_traffic_mode_type_values, "unknown"));
424 #define INVALID_VERSION_ERROR_CODE 0x01
425 #define INVALID_INTERFACE_IDENTIFIER_ERROR_CODE 0x02
426 #define UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE 0x03
427 #define UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE 0x04
428 #define UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE 0x05
429 #define UNEXPECTED_MESSAGE_ERROR_CODE 0x06
430 #define PROTOCOL_ERROR_ERROR_CODE 0x07
431 #define UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE 0x08
432 #define INVALID_STREAM_IDENTIFIER_ERROR_CODE 0x09
433 #define REFUSED_ERROR_CODE 0x0d
434 #define ASP_IDENTIFIER_REQUIRED_ERROR_CODE 0x0e
435 #define INVALID_ASP_IDENTIFIER_ERROR_CODE 0x0f
436 #define ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE 0x10
437 #define INVALID_PARAMETER_VALUE_ERROR_CODE 0x11
438 #define PARAMETER_FIELD_ERROR_CODE 0x12
439 #define UNEXPECTED_PARAMETER_ERROR_CODE 0x13
440 #define MISSING_PARAMETER_ERROR_CODE 0x16
442 static const value_string m2ua_error_code_values[] = {
443 { INVALID_VERSION_ERROR_CODE, "Invalid version" },
444 { INVALID_INTERFACE_IDENTIFIER_ERROR_CODE, "Invalid interface identifier" },
445 { UNSUPPORTED_MESSAGE_CLASS_ERROR_CODE, "Unsupported message class" },
446 { UNSUPPORTED_MESSAGE_TYPE_ERROR_CODE, "Unsupported message type" },
447 { UNSUPPORTED_TRAFFIC_HANDLING_MODE_ERROR_CODE, "Unsupported traffic handling mode" },
448 { UNEXPECTED_MESSAGE_ERROR_CODE, "Unexpected message" },
449 { PROTOCOL_ERROR_ERROR_CODE, "Protocol error" },
450 { UNSUPPORTED_INTERFACE_IDENTIFIER_TYPE_ERROR_CODE, "Unsupported interface identifertype" },
451 { INVALID_STREAM_IDENTIFIER_ERROR_CODE, "Invalid stream identifier" },
452 { REFUSED_ERROR_CODE, "Refused - management blocking" },
453 { ASP_IDENTIFIER_REQUIRED_ERROR_CODE, "ASP identifier required" },
454 { INVALID_ASP_IDENTIFIER_ERROR_CODE, "Invalid ASP identifier" },
455 { ASP_ACTIVE_FOR_INTERFACE_IDENTIFIER_ERROR_CODE, "ASP active for interface identifer" },
456 { INVALID_PARAMETER_VALUE_ERROR_CODE, "Invalid parameter value" },
457 { PARAMETER_FIELD_ERROR_CODE, "Parameter field error" },
458 { UNEXPECTED_PARAMETER_ERROR_CODE, "Unexpected parameter" },
459 { MISSING_PARAMETER_ERROR_CODE, "Missing parameter" },
462 #define ERROR_CODE_LENGTH 4
463 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
466 dissect_m2ua_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
470 error_code = tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET);
471 proto_tree_add_uint(parameter_tree, hf_m2ua_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, error_code);
472 proto_item_set_text(parameter_item, "Error code parameter (%s)", val_to_str(error_code, m2ua_error_code_values, "unknown"));
475 #define AS_STATE_CHANGE_TYPE 1
478 static const value_string m2ua_status_type_values[] = {
479 { AS_STATE_CHANGE_TYPE, "Application server state change" },
480 { OTHER_TYPE, "Other" },
483 #define RESERVED_INFO 1
484 #define AS_INACTIVE_INFO 2
485 #define AS_ACTIVE_INFO 3
486 #define AS_PENDING_INFO 4
488 #define INSUFFICIENT_ASP_RES_INFO 1
489 #define ALTERNATE_ASP_ACTIVE_INFO 2
490 #define ASP_FAILURE_INFO 3
492 static const value_string m2ua_status_type_info_values[] = {
493 { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
494 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
495 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
496 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
497 { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
498 { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
499 { OTHER_TYPE * 256 * 256 + ASP_FAILURE_INFO, "ASP Failure" },
502 #define STATUS_TYPE_LENGTH 2
503 #define STATUS_INFO_LENGTH 2
505 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
506 #define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
509 dissect_m2ua_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
511 guint16 status_type, status_info;
513 status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
514 status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
516 proto_tree_add_uint(parameter_tree, hf_m2ua_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, status_type);
517 proto_tree_add_uint_format(parameter_tree, hf_m2ua_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH, status_info,
518 "Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, m2ua_status_type_info_values, "unknown"), status_info);
520 proto_item_set_text(parameter_item,
521 "Status type / ID (%s)", val_to_str(status_type * 256 * 256 + status_info, m2ua_status_type_info_values, "unknown status information"));
524 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
525 #define ASP_IDENTIFIER_LENGTH 4
528 dissect_m2ua_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
532 id = tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET);
533 proto_tree_add_uint(parameter_tree, hf_m2ua_asp_id, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, id);
534 proto_item_set_text(parameter_item, "ASP identifier (%u)", id);
537 #define CORRELATION_ID_LENGTH 4
538 #define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
541 dissect_m2ua_correlation_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
545 id = tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET);
546 proto_tree_add_uint(parameter_tree, hf_m2ua_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, id);
548 proto_item_set_text(parameter_item, "Correlation identifier parameter (%u)", id);
551 #define DATA_1_MTP3_OFFSET PARAMETER_VALUE_OFFSET
554 dissect_m2ua_protocol_data_1_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
556 tvbuff_t *payload_tvb;
557 guint32 payload_length;
559 payload_length = tvb_length(parameter_tvb) - PARAMETER_HEADER_LENGTH;
561 payload_tvb = tvb_new_subset(parameter_tvb, DATA_1_MTP3_OFFSET, payload_length, payload_length);
562 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH);
563 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
565 proto_item_set_text(parameter_item, "Data 1 parameter");
568 #define DATA_2_LI_LENGTH 1
569 #define DATA_2_LI_OFFSET PARAMETER_VALUE_OFFSET
570 #define DATA_2_MTP3_OFFSET (DATA_2_LI_OFFSET + DATA_2_LI_LENGTH)
573 dissect_m2ua_protocol_data_2_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
575 tvbuff_t *payload_tvb;
576 guint32 payload_length;
579 payload_length = tvb_length(parameter_tvb) - PARAMETER_HEADER_LENGTH - DATA_2_LI_LENGTH;
580 li = tvb_get_guint8(parameter_tvb, DATA_2_LI_OFFSET);
582 proto_tree_add_uint(parameter_tree, hf_m2ua_data_2_li, parameter_tvb, DATA_2_LI_OFFSET, DATA_2_LI_LENGTH, li);
583 payload_tvb = tvb_new_subset(parameter_tvb, DATA_2_MTP3_OFFSET, payload_length, payload_length);
584 proto_item_set_len(parameter_item, PARAMETER_HEADER_LENGTH + DATA_2_LI_LENGTH);
585 call_dissector(mtp3_handle, payload_tvb, pinfo, tree);
587 proto_item_set_text(parameter_item, "Data 2 parameter");
591 #define STATUS_LPO_SET 0x0
592 #define STATUS_LPO_CLEAR 0x1
593 #define STATUS_EMER_SET 0x2
594 #define STATUS_EMER_CLEAR 0x3
595 #define STATUS_FLUSH_BUFFERS 0x4
596 #define STATUS_CONTINUE 0x5
597 #define STATUS_CLEAR_RTB 0x6
598 #define STATUS_AUDIT 0x7
599 #define STATUS_CONG_CLEAR 0x8
600 #define STATUS_CONG_ACCEPT 0x9
601 #define STATUS_CONG_DISCARD 0xa
603 static const value_string m2ua_state_values[] = {
604 { STATUS_LPO_SET, "Request local processor outage" },
605 { STATUS_LPO_CLEAR, "Request local processor outage recovered" },
606 { STATUS_EMER_SET, "Request emergency alignment" },
607 { STATUS_EMER_CLEAR, "Request normal alignment (cancel emergency)" },
608 { STATUS_FLUSH_BUFFERS, "Flush or clear receive, transmit and retransmit queues" },
609 { STATUS_CONTINUE, "Continue or Resume" },
610 { STATUS_CLEAR_RTB, "Clear the retransmit queue" },
611 { STATUS_AUDIT, "Audit state of link" },
612 { STATUS_CONG_CLEAR, "Congestion cleared" },
613 { STATUS_CONG_ACCEPT, "Congestion accept" },
614 { STATUS_CONG_DISCARD, "Congestion discard" },
617 #define STATE_LENGTH 4
618 #define STATE_OFFSET PARAMETER_VALUE_OFFSET
621 dissect_m2ua_state_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
625 state = tvb_get_ntohl(parameter_tvb, STATE_OFFSET);
626 proto_tree_add_uint(parameter_tree, hf_m2ua_state, parameter_tvb, STATE_OFFSET, STATE_LENGTH, state);
628 proto_item_set_text(parameter_item, "State request parameter (%s)", val_to_str(state, m2ua_state_values, "unknown"));
631 #define EVENT_RPO_ENTER 0x1
632 #define EVENT_RPO_EXIT 0x2
633 #define EVENT_LPO_ENTER 0x3
634 #define EVENT_LPO_EXIT 0x4
636 static const value_string m2ua_event_values[] = {
637 { EVENT_RPO_ENTER, "Remote entered processor outage" },
638 { EVENT_RPO_EXIT, "Remote exited processor outage" },
639 { EVENT_LPO_ENTER, "Link entered processor outage" },
640 { EVENT_LPO_EXIT, "Link exited processor outage" },
643 #define EVENT_LENGTH 4
644 #define EVENT_OFFSET PARAMETER_VALUE_OFFSET
647 dissect_m2ua_event_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
651 event = tvb_get_ntohl(parameter_tvb, STATE_OFFSET);
652 proto_tree_add_uint(parameter_tree, hf_m2ua_event, parameter_tvb, EVENT_OFFSET, EVENT_LENGTH, event);
654 proto_item_set_text(parameter_item, "State event parameter (%s)", val_to_str(event, m2ua_event_values, "unknown"));
657 #define LEVEL_NONE 0x0
662 static const value_string m2ua_level_values[] = {
663 { LEVEL_NONE, "No congestion" },
664 { LEVEL_1, "Congestion Level 1" },
665 { LEVEL_2, "Congestion Level 2" },
666 { LEVEL_3, "Congestion Level 3" },
669 #define CONGESTION_STATUS_LENGTH 4
670 #define CONGESTION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
673 dissect_m2ua_congestion_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
677 status = tvb_get_ntohl(parameter_tvb, CONGESTION_STATUS_OFFSET);
678 proto_tree_add_uint(parameter_tree, hf_m2ua_congestion_status, parameter_tvb, CONGESTION_STATUS_OFFSET, CONGESTION_STATUS_LENGTH, status);
680 proto_item_set_text(parameter_item, "Congestion status parameter (%s)", val_to_str(status, m2ua_level_values, "unknown"));
683 #define DISCARD_STATUS_LENGTH 4
684 #define DISCARD_STATUS_OFFSET PARAMETER_VALUE_OFFSET
687 dissect_m2ua_discard_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
691 status = tvb_get_ntohl(parameter_tvb, DISCARD_STATUS_OFFSET);
692 proto_tree_add_uint(parameter_tree, hf_m2ua_discard_status, parameter_tvb, DISCARD_STATUS_OFFSET, DISCARD_STATUS_LENGTH, status);
694 proto_item_set_text(parameter_item, "Discard status parameter (%s)", val_to_str(status, m2ua_level_values, "unknown"));
697 #define ACTION_RTRV_BSN 0x1
698 #define ACTION_RTRV_MSGS 0x2
700 static const value_string m2ua_action_values[] = {
701 { ACTION_RTRV_BSN, "Retrieve the backward sequence number" },
702 { ACTION_RTRV_MSGS, "Retrieve the PDUs from the transmit and retransmit queues" },
706 #define ACTION_LENGTH 4
707 #define ACTION_OFFSET PARAMETER_VALUE_OFFSET
710 dissect_m2ua_action_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
714 action = tvb_get_ntohl(parameter_tvb, ACTION_OFFSET);
715 proto_tree_add_uint(parameter_tree, hf_m2ua_action, parameter_tvb, ACTION_OFFSET, ACTION_LENGTH, action);
717 proto_item_set_text(parameter_item, "Action parameter (%s)", val_to_str(action, m2ua_action_values, "unknown"));
720 #define SEQUENCE_NUMBER_LENGTH 4
721 #define SEQUENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
724 dissect_m2ua_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
728 number = tvb_get_ntohl(parameter_tvb, SEQUENCE_NUMBER_OFFSET);
729 proto_tree_add_uint(parameter_tree, hf_m2ua_sequence_number, parameter_tvb, SEQUENCE_NUMBER_OFFSET, SEQUENCE_NUMBER_LENGTH, number);
731 proto_item_set_text(parameter_item, "Sequence number parameter (%u)", number);
734 #define RESULT_SUCCESS 0x0
735 #define RESULT_FAILURE 0x1
737 static const value_string m2ua_retrieval_result_values[] = {
738 { RESULT_SUCCESS, "Action successful" },
739 { RESULT_FAILURE , "Action failed" },
743 #define RETRIEVAL_RESULT_LENGTH 4
744 #define RETRIEVAL_RESULT_OFFSET PARAMETER_VALUE_OFFSET
747 dissect_m2ua_retrieval_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
751 result = tvb_get_ntohl(parameter_tvb, RETRIEVAL_RESULT_OFFSET);
752 proto_tree_add_uint(parameter_tree, hf_m2ua_retrieval_result, parameter_tvb, RETRIEVAL_RESULT_OFFSET, RETRIEVAL_RESULT_LENGTH, result);
754 proto_item_set_text(parameter_item, "Retrieval result parameter (%s)", val_to_str(result, m2ua_retrieval_result_values, "unknown"));
758 dissect_m2ua_link_key_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
760 tvbuff_t *parameters_tvb;
761 guint16 length, parameters_length;
763 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
764 parameters_length = length - PARAMETER_HEADER_LENGTH;
765 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
766 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
767 proto_item_set_text(parameter_item, "Link key parameter");
770 #define LOCAL_LK_ID_LENGTH 4
771 #define LOCAL_LK_ID_OFFSET PARAMETER_VALUE_OFFSET
774 dissect_m2ua_local_lk_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
778 id = tvb_get_ntohl(parameter_tvb, LOCAL_LK_ID_OFFSET);
779 proto_tree_add_uint(parameter_tree, hf_m2ua_local_lk_id, parameter_tvb, LOCAL_LK_ID_OFFSET, LOCAL_LK_ID_LENGTH, id);
781 proto_item_set_text(parameter_item, "Local KL identifier parameter (%u)", id);
784 #define SDT_RESERVED_LENGTH 2
785 #define SDT_ID_LENGTH 2
786 #define SDT_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
787 #define SDT_ID_OFFSET (SDT_RESERVED_OFFSET + SDT_RESERVED_LENGTH)
790 dissect_m2ua_sdt_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
792 guint16 reserved, id;
794 reserved = tvb_get_ntohs(parameter_tvb, SDT_RESERVED_OFFSET);
795 id = tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET);
797 proto_tree_add_uint(parameter_tree, hf_m2ua_sdt_reserved, parameter_tvb, SDT_RESERVED_OFFSET, SDT_RESERVED_LENGTH, reserved);
798 proto_tree_add_uint(parameter_tree, hf_m2ua_sdt_id, parameter_tvb, SDT_ID_OFFSET, SDT_ID_LENGTH, id);
800 proto_item_set_text(parameter_item, "SDT identifier parameter (%u)", id);
803 #define SDL_RESERVED_LENGTH 2
804 #define SDL_ID_LENGTH 2
805 #define SDL_RESERVED_OFFSET PARAMETER_VALUE_OFFSET
806 #define SDL_ID_OFFSET (SDL_RESERVED_OFFSET + SDL_RESERVED_LENGTH)
809 dissect_m2ua_sdl_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
811 guint16 reserved, id;
813 reserved = tvb_get_ntohs(parameter_tvb, SDT_RESERVED_OFFSET);
814 id = tvb_get_ntohs(parameter_tvb, SDT_ID_OFFSET);
816 proto_tree_add_uint(parameter_tree, hf_m2ua_sdl_reserved, parameter_tvb, SDL_RESERVED_OFFSET, SDL_RESERVED_LENGTH, reserved);
817 proto_tree_add_uint(parameter_tree, hf_m2ua_sdl_id, parameter_tvb, SDL_ID_OFFSET, SDL_ID_LENGTH, id);
819 proto_item_set_text(parameter_item, "SDL identifier parameter (%u)", id);
823 dissect_m2ua_registration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
825 tvbuff_t *parameters_tvb;
826 guint16 length, parameters_length;
828 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
829 parameters_length = length - PARAMETER_HEADER_LENGTH;
830 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
831 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
832 proto_item_set_text(parameter_item, "Registration result parameter");
835 #define SUCCESSFULL_REGISTRATION_STATUS 0
836 #define UNKNOWN_REGISTRATION_STATUS 1
837 #define INVALID_SDLI_REGISTRATION_STATUS 2
838 #define INVALID_SDTI_REGISTRATION_STATUS 3
839 #define INVALID_LINK_KEY_REGISTRATION_STATUS 4
840 #define PERMISSION_DENIED_REGISTRATION_STATUS 5
841 #define OVERLAPPING_LINK_KEY_REGISTRATION_STATUS 6
842 #define LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS 7
843 #define INSUFFICIENT_RESOURCES_REGISTRATION_STATUS 8
845 static const value_string m2ua_registration_status_values[] = {
846 { SUCCESSFULL_REGISTRATION_STATUS, "Successfully Registered" },
847 { UNKNOWN_REGISTRATION_STATUS, "Error - Unknown" },
848 { INVALID_SDLI_REGISTRATION_STATUS, "Error - Invalid SDLI" },
849 { INVALID_SDTI_REGISTRATION_STATUS, "Error - Invalid SDTI" },
850 { INVALID_LINK_KEY_REGISTRATION_STATUS, "Error - Invalid Link Key" },
851 { PERMISSION_DENIED_REGISTRATION_STATUS, "Error - Permission Denied" },
852 { OVERLAPPING_LINK_KEY_REGISTRATION_STATUS, "Error - Overlapping (Non-unique) Link Key" },
853 { LINK_KEY_NOT_PROVISIONED_REGISTRATION_STATUS, "Error - Link Key not Provisioned" },
854 { INSUFFICIENT_RESOURCES_REGISTRATION_STATUS, "Error - Insufficient Resources" },
857 #define REGISTRATION_STATUS_LENGTH 4
858 #define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
861 dissect_m2ua_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
865 status = tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET);
866 proto_tree_add_uint(parameter_tree, hf_m2ua_registration_status, parameter_tvb, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, status);
868 proto_item_set_text(parameter_item, "Registration status parameter (%s)", val_to_str(status, m2ua_registration_status_values, "unknown"));
872 dissect_m2ua_deregistration_result_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *parameter_tree, proto_item *parameter_item)
874 tvbuff_t *parameters_tvb;
875 guint16 length, parameters_length;
877 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
878 parameters_length = length - PARAMETER_HEADER_LENGTH;
879 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, parameters_length, parameters_length);
880 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, parameter_tree);
881 proto_item_set_text(parameter_item, "Deregistration result parameter");
884 #define SUCCESSFULL_DEREGISTRATION_STATUS 0
885 #define UNKNOWN_DEREGISTRATION_STATUS 1
886 #define INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS 2
887 #define PERMISSION_DENIED_DEREGISTRATION_STATUS 3
888 #define NOT_REGISTRED_DEREGISTRATION_STATUS 4
890 static const value_string m2ua_deregistration_status_values[] = {
891 { SUCCESSFULL_DEREGISTRATION_STATUS, "Successfully Registered" },
892 { UNKNOWN_DEREGISTRATION_STATUS, "Error - Unknown" },
893 { INVALID_INTERFACE_IDENTIFIER_DEREGISTRATION_STATUS, "Error - Invalid interface identifier" },
894 { PERMISSION_DENIED_DEREGISTRATION_STATUS, "Error - Permission Denied" },
895 { NOT_REGISTRED_DEREGISTRATION_STATUS, "Error - Not registered" },
898 #define DEREGISTRATION_STATUS_LENGTH 4
899 #define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
902 dissect_m2ua_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
906 status = tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET);
907 proto_tree_add_uint(parameter_tree, hf_m2ua_deregistration_status, parameter_tvb, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, status);
909 proto_item_set_text(parameter_item, "Deregistration status parameter (%s)", val_to_str(status, m2ua_deregistration_status_values, "unknown"));
913 dissect_m2ua_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
915 guint16 tag, length, parameter_value_length;
917 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
918 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
920 parameter_value_length = length - PARAMETER_HEADER_LENGTH;
922 if (parameter_value_length > 0)
923 proto_tree_add_bytes(parameter_tree, hf_m2ua_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length,
924 tvb_get_ptr(parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length));
926 proto_item_set_text(parameter_item, "Parameter with tag %u and %u byte%s value", tag, parameter_value_length, plurality(parameter_value_length, "", "s"));
929 /* Common parameter tags */
930 #define INTERFACE_IDENTIFIER_INT_PARAMETER_TAG 0x0001
931 #define INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG 0x0003
932 #define INFO_STRING_PARAMETER_TAG 0x0004
933 #define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x0007
934 #define INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG 0x0008
935 #define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
936 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
937 #define ERROR_CODE_PARAMETER_TAG 0x000c
938 #define STATUS_PARAMETER_TAG 0x000d
939 #define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
940 #define CORRELATION_IDENTIFIER_PARAMETER_TAG 0x0013
942 /* M2PA specific parameter tags */
943 #define PROTOCOL_DATA_1_PARAMETER_TAG 0x0300
944 #define PROTOCOL_DATA_2_PARAMETER_TAG 0x0301
945 #define STATE_REQUEST_PARAMETER_TAG 0x0302
946 #define STATE_EVENT_PARAMETER_TAG 0x0303
947 #define CONGESTION_STATUS_PARAMETER_TAG 0x0304
948 #define DISCARD_STATUS_PARAMETER_TAG 0x0305
949 #define ACTION_PARAMETER_TAG 0x0306
950 #define SEQUENCE_NUMBER_PARAMETER_TAG 0x0307
951 #define RETRIEVAL_RESULT_PARAMETER_TAG 0x0308
952 #define LINK_KEY_PARAMETER_TAG 0x0309
953 #define LOCAL_LK_IDENTIFIER_PARAMETER_TAG 0x030a
954 #define SDT_IDENTIFIER_PARAMETER_TAG 0x030b
955 #define SDL_IDENTIFIER_PARAMETER_TAG 0x030c
956 #define REG_RESULT_PARAMETER_TAG 0x030d
957 #define REG_STATUS_PARAMETER_TAG 0x030e
958 #define DEREG_RESULT_PARAMETER_TAG 0x030f
959 #define DEREG_STATUS_PARAMETER_TAG 0x0310
961 static const value_string m2ua_parameter_tag_values[] = {
962 { INTERFACE_IDENTIFIER_INT_PARAMETER_TAG, "Interface identifier (interger)" },
963 { INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG, "Interface identifier (text)" },
964 { INFO_STRING_PARAMETER_TAG, "Info string" },
965 { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
966 { INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG, "Interface identifier (interger range)" },
967 { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
968 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
969 { ERROR_CODE_PARAMETER_TAG, "Error code" },
970 { STATUS_PARAMETER_TAG, "Status type / information" },
971 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
972 { CORRELATION_IDENTIFIER_PARAMETER_TAG, "Correlation identifier" },
973 { PROTOCOL_DATA_1_PARAMETER_TAG, "Protocol data 1" },
974 { PROTOCOL_DATA_2_PARAMETER_TAG, "Protocol data 2" },
975 { STATE_REQUEST_PARAMETER_TAG, "State request" },
976 { STATE_EVENT_PARAMETER_TAG, "State event" },
977 { CONGESTION_STATUS_PARAMETER_TAG, "Congestion state" },
978 { DISCARD_STATUS_PARAMETER_TAG, "Discard state" },
979 { ACTION_PARAMETER_TAG, "Action" },
980 { SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
981 { RETRIEVAL_RESULT_PARAMETER_TAG, "Retrieval result" },
982 { LINK_KEY_PARAMETER_TAG, "Link key" },
983 { LOCAL_LK_IDENTIFIER_PARAMETER_TAG, "Local LK identifier" },
984 { SDT_IDENTIFIER_PARAMETER_TAG, "SDT identifier" },
985 { SDL_IDENTIFIER_PARAMETER_TAG, "SDL identifer" },
986 { REG_RESULT_PARAMETER_TAG, "Registration result" },
987 { REG_STATUS_PARAMETER_TAG, "Registration status" },
988 { DEREG_RESULT_PARAMETER_TAG, "Deregistration result" },
989 { DEREG_STATUS_PARAMETER_TAG, "Deregistration status" },
993 dissect_m2ua_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
995 guint16 tag, length, padding_length, total_length;
996 proto_item *parameter_item;
997 proto_tree *parameter_tree;
999 /* extract tag and length from the parameter */
1000 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
1001 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
1003 /* calculate padding and total length */
1004 padding_length = tvb_length(parameter_tvb) - length;
1005 total_length = length + padding_length;
1007 /* create proto_tree stuff */
1008 parameter_item = proto_tree_add_text(m2ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, total_length, "Incomplete parameter");
1009 parameter_tree = proto_item_add_subtree(parameter_item, ett_m2ua_parameter);
1011 /* add tag and length to the m2ua tree */
1012 proto_tree_add_uint(parameter_tree, hf_m2ua_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, tag);
1013 proto_tree_add_uint(parameter_tree, hf_m2ua_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, length);
1016 case INTERFACE_IDENTIFIER_INT_PARAMETER_TAG:
1017 dissect_m2ua_interface_identifier_int_parameter(parameter_tvb, parameter_tree, parameter_item);
1019 case INTERFACE_IDENTIFIER_TEXT_PARAMETER_TAG:
1020 dissect_m2ua_interface_identifier_text_parameter(parameter_tvb, parameter_tree, parameter_item);
1022 case INFO_STRING_PARAMETER_TAG:
1023 dissect_m2ua_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
1025 case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
1026 dissect_m2ua_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
1028 case INTERFACE_IDENTIFIER_RANGE_PARAMETER_TAG:
1029 dissect_m2ua_interface_identifier_range_parameter(parameter_tvb, parameter_tree, parameter_item);
1031 case HEARTBEAT_DATA_PARAMETER_TAG:
1032 dissect_m2ua_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1034 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
1035 dissect_m2ua_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1037 case ERROR_CODE_PARAMETER_TAG:
1038 dissect_m2ua_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1040 case STATUS_PARAMETER_TAG:
1041 dissect_m2ua_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1043 case ASP_IDENTIFIER_PARAMETER_TAG:
1044 dissect_m2ua_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1046 case CORRELATION_IDENTIFIER_PARAMETER_TAG:
1047 dissect_m2ua_correlation_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1049 case PROTOCOL_DATA_1_PARAMETER_TAG:
1050 dissect_m2ua_protocol_data_1_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1052 case PROTOCOL_DATA_2_PARAMETER_TAG:
1053 dissect_m2ua_protocol_data_2_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1055 case STATE_REQUEST_PARAMETER_TAG:
1056 dissect_m2ua_state_request_parameter(parameter_tvb, parameter_tree, parameter_item);
1058 case STATE_EVENT_PARAMETER_TAG:
1059 dissect_m2ua_event_request_parameter(parameter_tvb, parameter_tree, parameter_item);
1061 case CONGESTION_STATUS_PARAMETER_TAG:
1062 dissect_m2ua_congestion_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1064 case DISCARD_STATUS_PARAMETER_TAG:
1065 dissect_m2ua_discard_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1067 case ACTION_PARAMETER_TAG:
1068 dissect_m2ua_action_parameter(parameter_tvb, parameter_tree, parameter_item);
1070 case SEQUENCE_NUMBER_PARAMETER_TAG:
1071 dissect_m2ua_sequence_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1073 case RETRIEVAL_RESULT_PARAMETER_TAG:
1074 dissect_m2ua_retrieval_result_parameter(parameter_tvb, parameter_tree, parameter_item);
1076 case LINK_KEY_PARAMETER_TAG:
1077 dissect_m2ua_link_key_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1079 case LOCAL_LK_IDENTIFIER_PARAMETER_TAG:
1080 dissect_m2ua_local_lk_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1082 case SDT_IDENTIFIER_PARAMETER_TAG:
1083 dissect_m2ua_sdt_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1085 case SDL_IDENTIFIER_PARAMETER_TAG:
1086 dissect_m2ua_sdl_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1088 case REG_RESULT_PARAMETER_TAG:
1089 dissect_m2ua_registration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1091 case REG_STATUS_PARAMETER_TAG:
1092 dissect_m2ua_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1094 case DEREG_RESULT_PARAMETER_TAG:
1095 dissect_m2ua_deregistration_result_parameter(parameter_tvb, pinfo, tree, parameter_tree, parameter_item);
1097 case DEREG_STATUS_PARAMETER_TAG:
1098 dissect_m2ua_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1101 dissect_m2ua_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1105 if (padding_length > 0)
1106 proto_tree_add_bytes(parameter_tree, hf_m2ua_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length,
1107 tvb_get_ptr(parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length));
1112 dissect_m2ua_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1114 gint offset, length, padding_length, total_length, remaining_length;
1115 tvbuff_t *parameter_tvb;
1118 while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
1119 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1120 padding_length = nr_of_padding_bytes(length);
1121 if (remaining_length >= length)
1122 total_length = MIN(length + padding_length, remaining_length);
1124 total_length = length + padding_length;
1125 /* create a tvb for the parameter including the padding bytes */
1126 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
1127 dissect_m2ua_parameter(parameter_tvb, pinfo, tree, m2ua_tree);
1128 /* get rid of the handled parameter */
1129 offset += total_length;
1135 dissect_m2ua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, proto_tree *m2ua_tree)
1137 tvbuff_t *common_header_tvb, *parameters_tvb;
1139 common_header_tvb = tvb_new_subset(message_tvb, 0, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
1140 parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1);
1141 dissect_m2ua_common_header(common_header_tvb, pinfo, m2ua_tree);
1143 dissect_m2ua_parameters(parameters_tvb, pinfo, tree, m2ua_tree);
1147 dissect_m2ua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
1149 proto_item *m2ua_item;
1150 proto_tree *m2ua_tree;
1152 /* make entry in the Protocol column on summary display */
1153 if (check_col(pinfo->cinfo, COL_PROTOCOL))
1154 col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2UA");
1156 /* In the interest of speed, if "tree" is NULL, don't do any work not
1157 necessary to generate protocol tree items. */
1159 /* create the m2ua protocol tree */
1160 m2ua_item = proto_tree_add_item(tree, proto_m2ua, message_tvb, 0, -1, FALSE);
1161 m2ua_tree = proto_item_add_subtree(m2ua_item, ett_m2ua);
1165 /* dissect the message */
1166 dissect_m2ua_message(message_tvb, pinfo, tree, m2ua_tree);
1169 /* Register the protocol with Ethereal */
1171 proto_register_m2ua(void)
1174 /* Setup list of header fields */
1175 static hf_register_info hf[] = {
1177 { "Version", "m2ua.version",
1178 FT_UINT8, BASE_DEC, VALS(m2ua_protocol_version_values), 0x0,
1181 { &hf_m2ua_reserved,
1182 { "Reserved", "m2ua.reserved",
1183 FT_UINT8, BASE_HEX, NULL, 0x0,
1186 { &hf_m2ua_message_class,
1187 { "Message class", "m2ua.message_class",
1188 FT_UINT8, BASE_DEC, VALS(m2ua_message_class_values), 0x0,
1191 { &hf_m2ua_message_type,
1192 { "Message Type", "m2ua.message_type",
1193 FT_UINT8, BASE_DEC, NULL, 0x0,
1196 { &hf_m2ua_message_length,
1197 { "Message length", "m2ua.message_length",
1198 FT_UINT32, BASE_DEC, NULL, 0x0,
1201 { &hf_m2ua_parameter_tag,
1202 { "Parameter Tag", "m2ua.parameter_tag",
1203 FT_UINT16, BASE_HEX, VALS(m2ua_parameter_tag_values), 0x0,
1206 { &hf_m2ua_parameter_length,
1207 { "Parameter length", "m2ua.parameter_length",
1208 FT_UINT16, BASE_DEC, NULL, 0x0,
1211 { &hf_m2ua_parameter_value,
1212 { "Parameter value", "m2ua.parameter_value",
1213 FT_BYTES, BASE_NONE, NULL, 0x0,
1216 { &hf_m2ua_parameter_padding,
1217 { "Padding", "m2ua.parameter_padding",
1218 FT_BYTES, BASE_NONE, NULL, 0x0,
1221 { &hf_m2ua_interface_id_int,
1222 { "Interface Identifier (integer)", "m2ua.interface_identifier_int",
1223 FT_UINT32, BASE_DEC, NULL, 0x0,
1226 { &hf_m2ua_interface_id_text,
1227 { "Interface identifier (text)", "m2ua.interface_identifier_text",
1228 FT_STRING, BASE_DEC, NULL, 0x0,
1231 { &hf_m2ua_info_string,
1232 { "Info string", "m2ua.info_string",
1233 FT_STRING, BASE_DEC, NULL, 0x0,
1236 { &hf_m2ua_diagnostic_information,
1237 { "Diagnostic information", "m2ua.diagnostic_information",
1238 FT_BYTES, BASE_NONE, NULL, 0x0,
1241 { &hf_m2ua_interface_id_start,
1242 { "Interface Identifier (start)", "m2ua.interface_identifier_start",
1243 FT_UINT32, BASE_DEC, NULL, 0x0,
1246 { &hf_m2ua_interface_id_stop,
1247 { "Interface Identifier (stop)", "m2ua.interface_identifier_stop",
1248 FT_UINT32, BASE_DEC, NULL, 0x0,
1251 { &hf_m2ua_heartbeat_data,
1252 { "Heartbeat data", "m2ua.heartbeat_data",
1253 FT_BYTES, BASE_NONE, NULL, 0x0,
1256 { &hf_m2ua_traffic_mode_type,
1257 { "Traffic mode Type", "m2ua.traffic_mode_type",
1258 FT_UINT32, BASE_DEC, VALS(m2ua_traffic_mode_type_values), 0x0,
1261 { &hf_m2ua_error_code,
1262 { "Error code", "m2ua.error_code",
1263 FT_UINT32, BASE_DEC, VALS(m2ua_error_code_values), 0x0,
1266 { &hf_m2ua_status_type,
1267 { "Status type", "m2ua.status_type",
1268 FT_UINT16, BASE_DEC, VALS(m2ua_status_type_values), 0x0,
1271 { &hf_m2ua_status_info,
1272 { "Status info", "m2ua.status_info",
1273 FT_UINT16, BASE_DEC, NULL, 0x0,
1277 { "ASP identifier", "m2ua.asp_identifier",
1278 FT_UINT32, BASE_DEC, NULL, 0x0,
1281 { &hf_m2ua_correlation_id,
1282 { "Correlation identifier", "m2ua.correlation identifier",
1283 FT_UINT32, BASE_DEC, NULL, 0x0,
1286 { &hf_m2ua_data_2_li,
1287 { "Length indicator", "m2ua.data_2_li",
1288 FT_UINT8, BASE_DEC, NULL, 0x0,
1292 { "State", "m2ua.state",
1293 FT_UINT32, BASE_DEC, VALS(m2ua_state_values), 0x0,
1297 { "Event", "m2ua.event",
1298 FT_UINT32, BASE_DEC, VALS(m2ua_event_values), 0x0,
1301 { &hf_m2ua_congestion_status,
1302 { "Congestion status", "m2ua.congestion_status",
1303 FT_UINT32, BASE_DEC, VALS(m2ua_level_values), 0x0,
1306 { &hf_m2ua_discard_status,
1307 { "Discard status", "m2ua.discard_status",
1308 FT_UINT32, BASE_DEC, VALS(m2ua_level_values), 0x0,
1312 { "Actions", "m2ua.action",
1313 FT_UINT32, BASE_DEC, VALS(m2ua_action_values), 0x0,
1316 { &hf_m2ua_sequence_number,
1317 { "Sequence number", "m2ua.sequence_number",
1318 FT_UINT32, BASE_DEC, NULL, 0x0,
1321 { &hf_m2ua_retrieval_result,
1322 { "Retrieval result", "m2ua.retrieval_result",
1323 FT_UINT32, BASE_DEC, VALS(m2ua_retrieval_result_values), 0x0,
1326 { &hf_m2ua_local_lk_id,
1327 { "Local LK identifier", "m2ua.local_lk_identifier",
1328 FT_UINT32, BASE_DEC, NULL, 0x0,
1331 { &hf_m2ua_sdt_reserved,
1332 { "Reserved", "m2ua.sdt_reserved",
1333 FT_UINT16, BASE_HEX, NULL, 0x0,
1337 { "SDT identifier", "m2ua.sdt_identifier",
1338 FT_UINT16, BASE_DEC, NULL, 0x0,
1341 { &hf_m2ua_sdl_reserved,
1342 { "Reserved", "m2ua.sdl_reserved",
1343 FT_UINT16, BASE_HEX, NULL, 0x0,
1347 { "SDL identifier", "m2ua.sdl_identifier",
1348 FT_UINT16, BASE_DEC, NULL, 0x0,
1351 { &hf_m2ua_registration_status,
1352 { "Registration status", "m2ua.registration_status",
1353 FT_UINT32, BASE_DEC, VALS(m2ua_registration_status_values), 0x0,
1356 { &hf_m2ua_deregistration_status,
1357 { "Deregistration status", "m2ua.deregistration_status",
1358 FT_UINT32, BASE_DEC, VALS(m2ua_deregistration_status_values), 0x0,
1363 /* Setup protocol subtree array */
1364 static gint *ett[] = {
1366 &ett_m2ua_parameter,
1369 /* Register the protocol name and description */
1370 proto_m2ua = proto_register_protocol("MTP 2 User Adaptation Layer", "M2UA", "m2ua");
1372 /* Required function calls to register the header fields and subtrees used */
1373 proto_register_field_array(proto_m2ua, hf, array_length(hf));
1374 proto_register_subtree_array(ett, array_length(ett));
1379 proto_reg_handoff_m2ua(void)
1381 dissector_handle_t m2ua_handle;
1383 mtp3_handle = find_dissector("mtp3");
1384 m2ua_handle = create_dissector_handle(dissect_m2ua, proto_m2ua);
1385 dissector_add("sctp.ppi", M2UA_PAYLOAD_PROTO_ID, m2ua_handle);
1386 dissector_add("sctp.port", SCTP_PORT_M2UA, m2ua_handle);