2 * Routines for SS7 SCCP-User Adaptation Layer (SUA) dissection
3 * It is hopefully (needs testing) compilant to
4 * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-sua-14.txt
6 * Copyright 2002, 2003 Michael Tuexen <tuexen [AT] fh-muenster.de>
8 * $Id: packet-sua.c,v 1.15 2003/04/19 20:09:00 tuexen Exp $
10 * Ethereal - Network traffic analyzer
11 * By Gerald Combs <gerald@ethereal.com>
12 * Copyright 1998 Gerald Combs
14 * Copied from README.developer
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version 2
19 * of the License, or (at your option) any later version.
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
35 #include <epan/packet.h>
37 #include "sctpppids.h"
39 #define NETWORK_BYTE_ORDER FALSE
40 #define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
41 #define SCTP_PORT_SUA 14001
43 #define RESERVED_1_LENGTH 1
44 #define RESERVED_2_LENGTH 2
45 #define RESERVED_3_LENGTH 3
47 #define VERSION_LENGTH 1
48 #define RESERVED_LENGTH 1
49 #define MESSAGE_CLASS_LENGTH 1
50 #define MESSAGE_TYPE_LENGTH 1
51 #define MESSAGE_LENGTH_LENGTH 4
52 #define COMMON_HEADER_LENGTH (VERSION_LENGTH + RESERVED_LENGTH + MESSAGE_CLASS_LENGTH + \
53 MESSAGE_TYPE_LENGTH + MESSAGE_LENGTH_LENGTH)
55 #define COMMON_HEADER_OFFSET 0
56 #define VERSION_OFFSET COMMON_HEADER_OFFSET
57 #define RESERVED_OFFSET (VERSION_OFFSET + VERSION_LENGTH)
58 #define MESSAGE_CLASS_OFFSET (RESERVED_OFFSET + RESERVED_LENGTH)
59 #define MESSAGE_TYPE_OFFSET (MESSAGE_CLASS_OFFSET + MESSAGE_CLASS_LENGTH)
60 #define MESSAGE_LENGTH_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
62 #define PARAMETER_TAG_LENGTH 2
63 #define PARAMETER_LENGTH_LENGTH 2
64 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
66 #define PARAMETER_TAG_OFFSET 0
67 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
68 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
69 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
71 #define INFO_STRING_PARAMETER_TAG 0x0004
72 #define ROUTING_CONTEXT_PARAMETER_TAG 0x0006
73 #define DIAGNOSTIC_INFO_PARAMETER_TAG 0x0007
74 #define HEARTBEAT_DATA_PARAMETER_TAG 0x0009
75 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x000b
76 #define ERROR_CODE_PARAMETER_TAG 0x000c
77 #define STATUS_PARAMETER_TAG 0x000d
78 #define ASP_IDENTIFIER_PARAMETER_TAG 0x0011
79 #define AFFECTED_POINT_CODE_PARAMETER_TAG 0x0012
80 #define CORRELATION_ID_PARAMETER_TAG 0x0013
81 #define REGISTRATION_RESULT_PARAMETER_TAG 0x0014
82 #define DEREGISTRATION_RESULT_PARAMETER_TAG 0x0015
83 #define REGISTRATION_STATUS_PARAMETER_TAG 0x0016
84 #define DEREGISTRATION_STATUS_PARAMETER_TAG 0x0017
85 #define LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG 0x0018
87 #define SS7_HOP_COUNTER_PARAMETER_TAG 0x0101
88 #define SOURCE_ADDRESS_PARAMETER_TAG 0x0102
89 #define DESTINATION_ADDRESS_PARAMETER_TAG 0x0103
90 #define SOURCE_REFERENCE_NUMBER_PARAMETER_TAG 0x0104
91 #define DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG 0x0105
92 #define SCCP_CAUSE_PARAMETER_TAG 0x0106
93 #define SEQUENCE_NUMBER_PARAMETER_TAG 0x0107
94 #define RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG 0x0108
95 #define ASP_CAPABILITIES_PARAMETER_TAG 0x0109
96 #define CREDIT_PARAMETER_TAG 0x010a
97 #define DATA_PARAMETER_TAG 0x010b
98 #define USER_CAUSE_PARAMETER_TAG 0x010c
99 #define NETWORK_APPEARANCE_PARAMETER_TAG 0x010d
100 #define ROUTING_KEY_PARAMETER_TAG 0x010e
101 #define DRN_LABEL_PARAMETER_TAG 0x010f
102 #define TID_LABEL_PARAMETER_TAG 0x0110
103 #define ADDRESS_RANGE_PARAMETER_TAG 0x0111
104 #define SMI_PARAMETER_TAG 0x0112
105 #define IMPORTANCE_PARAMETER_TAG 0x0113
106 #define MESSAGE_PRIORITY_PARAMETER_TAG 0x0114
107 #define PROTOCOL_CLASS_PARAMETER_TAG 0x0115
108 #define SEQUENCE_CONTROL_PARAMETER_TAG 0x0116
109 #define SEGMENTATION_PARAMETER_TAG 0x0117
110 #define CONGESTION_LEVEL_PARAMETER_TAG 0x0118
112 #define GLOBAL_TITLE_PARAMETER_TAG 0x8001
113 #define POINT_CODE_PARAMETER_TAG 0x8002
114 #define SUBSYSTEM_NUMBER_PARAMETER_TAG 0x8003
115 #define IPV4_ADDRESS_PARAMETER_TAG 0x8004
116 #define HOSTNAME_PARAMETER_TAG 0x8005
117 #define IPV6_ADDRESS_PARAMETER_TAG 0x8006
119 static const value_string parameter_tag_values[] = {
120 { INFO_STRING_PARAMETER_TAG, "Info String" },
121 { ROUTING_CONTEXT_PARAMETER_TAG, "Routing context" },
122 { DIAGNOSTIC_INFO_PARAMETER_TAG, "Diagnostic info" },
123 { HEARTBEAT_DATA_PARAMETER_TAG, "Heartbeat data" },
124 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
125 { ERROR_CODE_PARAMETER_TAG, "Error code" },
126 { STATUS_PARAMETER_TAG, "Status" },
127 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP identifier" },
128 { AFFECTED_POINT_CODE_PARAMETER_TAG, "Affected point code" },
129 { CORRELATION_ID_PARAMETER_TAG, "Correlation ID" },
130 { REGISTRATION_RESULT_PARAMETER_TAG, "Registration result" },
131 { DEREGISTRATION_RESULT_PARAMETER_TAG, "Deregistration result" },
132 { REGISTRATION_STATUS_PARAMETER_TAG, "Registration status" },
133 { DEREGISTRATION_STATUS_PARAMETER_TAG, "Deregistration status" },
134 { LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG, "Local routing key identifier" },
135 { SS7_HOP_COUNTER_PARAMETER_TAG, "SS7 hop counter" },
136 { SOURCE_ADDRESS_PARAMETER_TAG, "Source address" },
137 { DESTINATION_ADDRESS_PARAMETER_TAG, "Destination address" },
138 { SOURCE_REFERENCE_NUMBER_PARAMETER_TAG, "Source reference number" },
139 { DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG, "Destination reference number" },
140 { SCCP_CAUSE_PARAMETER_TAG, "SCCP cause" },
141 { SEQUENCE_NUMBER_PARAMETER_TAG, "Sequence number" },
142 { RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG, "Receive sequence number" },
143 { ASP_CAPABILITIES_PARAMETER_TAG, "ASP capabilities" },
144 { CREDIT_PARAMETER_TAG, "Credit" },
145 { DATA_PARAMETER_TAG, "Data" },
146 { USER_CAUSE_PARAMETER_TAG, "User/Cause" },
147 { NETWORK_APPEARANCE_PARAMETER_TAG, "Network appearance" },
148 { ROUTING_KEY_PARAMETER_TAG, "Routing key" },
149 { DRN_LABEL_PARAMETER_TAG, "DRN label" },
150 { TID_LABEL_PARAMETER_TAG, "TID label" },
151 { ADDRESS_RANGE_PARAMETER_TAG, "Address range" },
152 { SMI_PARAMETER_TAG, "SMI" },
153 { IMPORTANCE_PARAMETER_TAG, "Importance" },
154 { MESSAGE_PRIORITY_PARAMETER_TAG, "Message priority" },
155 { PROTOCOL_CLASS_PARAMETER_TAG, "Protocol class" },
156 { SEQUENCE_CONTROL_PARAMETER_TAG, "Sequence control" },
157 { SEGMENTATION_PARAMETER_TAG, "Segmentation" },
158 { CONGESTION_LEVEL_PARAMETER_TAG, "Congestion level" },
159 { GLOBAL_TITLE_PARAMETER_TAG, "Global title" },
160 { POINT_CODE_PARAMETER_TAG, "Point code" },
161 { SUBSYSTEM_NUMBER_PARAMETER_TAG, "Subsystem number" },
162 { IPV4_ADDRESS_PARAMETER_TAG, "IPv4 address" },
163 { HOSTNAME_PARAMETER_TAG, "Hostname" },
164 { IPV6_ADDRESS_PARAMETER_TAG, "IPv6 address" },
167 #define PROTOCOL_VERSION_RELEASE_1 1
169 static const value_string protocol_version_values[] = {
170 { PROTOCOL_VERSION_RELEASE_1, "Release 1" },
173 #define MESSAGE_CLASS_MGMT_MESSAGE 0
174 #define MESSAGE_CLASS_TFER_MESSAGE 1
175 #define MESSAGE_CLASS_SSNM_MESSAGE 2
176 #define MESSAGE_CLASS_ASPSM_MESSAGE 3
177 #define MESSAGE_CLASS_ASPTM_MESSAGE 4
178 #define MESSAGE_CLASS_CL_MESSAGE 7
179 #define MESSAGE_CLASS_CO_MESSAGE 8
180 #define MESSAGE_CLASS_RKM_MESSAGE 9
182 static const value_string message_class_values[] = {
183 { MESSAGE_CLASS_MGMT_MESSAGE, "Management messages" },
184 { MESSAGE_CLASS_SSNM_MESSAGE, "SS7 signalling network management messages" },
185 { MESSAGE_CLASS_ASPSM_MESSAGE, "ASP state maintenance messages" },
186 { MESSAGE_CLASS_ASPTM_MESSAGE, "ASP traffic maintenance messages" },
187 { MESSAGE_CLASS_CL_MESSAGE, "Connectionless messages" },
188 { MESSAGE_CLASS_CO_MESSAGE, "Connection-Oriented messages" },
189 { MESSAGE_CLASS_RKM_MESSAGE, "Routing key management Messages" },
192 #define MESSAGE_TYPE_ERR 0
193 #define MESSAGE_TYPE_NTFY 1
195 #define MESSAGE_TYPE_DUNA 1
196 #define MESSAGE_TYPE_DAVA 2
197 #define MESSAGE_TYPE_DAUD 3
198 #define MESSAGE_TYPE_SCON 4
199 #define MESSAGE_TYPE_DUPU 5
200 #define MESSAGE_TYPE_DRST 6
202 #define MESSAGE_TYPE_UP 1
203 #define MESSAGE_TYPE_DOWN 2
204 #define MESSAGE_TYPE_BEAT 3
205 #define MESSAGE_TYPE_UP_ACK 4
206 #define MESSAGE_TYPE_DOWN_ACK 5
207 #define MESSAGE_TYPE_BEAT_ACK 6
209 #define MESSAGE_TYPE_ACTIVE 1
210 #define MESSAGE_TYPE_INACTIVE 2
211 #define MESSAGE_TYPE_ACTIVE_ACK 3
212 #define MESSAGE_TYPE_INACTIVE_ACK 4
214 #define MESSAGE_TYPE_CLDT 1
215 #define MESSAGE_TYPE_CLDR 2
217 #define MESSAGE_TYPE_CORE 1
218 #define MESSAGE_TYPE_COAK 2
219 #define MESSAGE_TYPE_COREF 3
220 #define MESSAGE_TYPE_RELRE 4
221 #define MESSAGE_TYPE_RELCO 5
222 #define MESSAGE_TYPE_RESCO 6
223 #define MESSAGE_TYPE_RESRE 7
224 #define MESSAGE_TYPE_CODT 8
225 #define MESSAGE_TYPE_CODA 9
226 #define MESSAGE_TYPE_COERR 10
227 #define MESSAGE_TYPE_COIT 11
229 #define MESSAGE_TYPE_REG_REQ 1
230 #define MESSAGE_TYPE_REG_RSP 2
231 #define MESSAGE_TYPE_DEREG_REQ 3
232 #define MESSAGE_TYPE_DEREG_RSP 4
235 static const value_string message_class_type_values[] = {
236 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "Error (ERR)" },
237 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "Notify (NTFY)" },
238 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "Destination unavailable (DUNA)" },
239 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "Destination available (DAVA)" },
240 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "Destination state audit (DAUD)" },
241 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SS7 Network congestion state (SCON)" },
242 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "Destination userpart unavailable (DUPU)" },
243 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP up (UP)" },
244 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP down (DOWN)" },
245 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "Heartbeat (BEAT)" },
246 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP up ack (UP ACK)" },
247 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP down ack (DOWN ACK)" },
248 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "Heartbeat ack (BEAT ACK)" },
249 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP active (ACTIVE)" },
250 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP inactive (INACTIVE)" },
251 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP active ack (ACTIVE ACK)" },
252 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP inactive ack (INACTIVE ACK)" },
253 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDR , "Connectionless Data Response (CLDR)" },
254 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDT , "Connectionless Data Transfer (CLDT)" },
255 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CORE , "Connection Request (CORE)" },
256 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COAK , "Connection Acknowledge (COAK)" },
257 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COREF , "Connection Refused (COREF)" },
258 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELRE , "Release Request (RELRE)" },
259 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELCO , "Release Complete (RELCO)" },
260 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESCO , "Reset Confirm (RESCO)" },
261 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESRE , "Reset Request (RESRE)" },
262 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODT , "Connection Oriented Data Transfer (CODT)" },
263 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODA , "Connection Oriented Data Acknowledge (CODA)" },
264 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COERR , "Connection Oriented Error (COERR)" },
265 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COIT , "Inactivity Test (COIT)" },
266 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "Registration Request (REG_REQ)" },
267 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "Registartion Response (REG_RSP)" },
268 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "Deregistration Request (DEREG_REQ)" },
269 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "Deregistartion Response (DEREG_RSP)" },
272 static const value_string message_class_type_acro_values[] = {
273 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_ERR, "ERR" },
274 { MESSAGE_CLASS_MGMT_MESSAGE * 256 + MESSAGE_TYPE_NTFY, "NTFY" },
275 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUNA, "DUNA" },
276 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAVA, "DAVA" },
277 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DAUD, "DAUD" },
278 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_SCON, "SCON" },
279 { MESSAGE_CLASS_SSNM_MESSAGE * 256 + MESSAGE_TYPE_DUPU, "DUPU" },
280 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP, "ASP_UP" },
281 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN, "ASP_DOWN" },
282 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT, "BEAT" },
283 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_UP_ACK, "ASP_UP_ACK" },
284 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_DOWN_ACK, "ASP_DOWN_ACK" },
285 { MESSAGE_CLASS_ASPSM_MESSAGE * 256 + MESSAGE_TYPE_BEAT_ACK, "BEAT_ACK" },
286 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE , "ASP_ACTIVE" },
287 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE , "ASP_INACTIVE" },
288 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_ACTIVE_ACK , "ASP_ACTIVE_ACK" },
289 { MESSAGE_CLASS_ASPTM_MESSAGE * 256 + MESSAGE_TYPE_INACTIVE_ACK , "ASP_INACTIVE_ACK" },
290 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDR , "CLDR" },
291 { MESSAGE_CLASS_CL_MESSAGE * 256 + MESSAGE_TYPE_CLDT , "CLDT" },
292 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CORE , "CORE" },
293 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COAK , "COAK" },
294 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COREF , "COREF" },
295 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELRE , "RELRE" },
296 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RELCO , "RELCO" },
297 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESCO , "RESCO" },
298 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_RESRE , "RESRE" },
299 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODT , "CODT" },
300 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_CODA , "CODA" },
301 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COERR , "COERR" },
302 { MESSAGE_CLASS_CO_MESSAGE * 256 + MESSAGE_TYPE_COIT , "COIT" },
303 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_REQ , "REG_REQ" },
304 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_REG_RSP , "REG_RSP" },
305 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_REQ , "DEREG_REQ" },
306 { MESSAGE_CLASS_RKM_MESSAGE * 256 + MESSAGE_TYPE_DEREG_RSP , "DEREG_RSP" },
309 /* Initialize the protocol and registered fields */
310 static int proto_sua = -1;
311 static int hf_version = -1;
312 static int hf_reserved = -1;
313 static int hf_message_class = -1;
314 static int hf_message_type = -1;
315 static int hf_message_length = -1;
316 static int hf_parameter_tag = -1;
317 static int hf_parameter_length = -1;
318 static int hf_parameter_value = -1;
319 static int hf_parameter_padding = -1;
320 static int hf_info_string = -1;
321 static int hf_routing_context = -1;
322 static int hf_diagnostic_information_info = -1;
323 static int hf_heartbeat_data = -1;
324 static int hf_traffic_mode_type = -1;
325 static int hf_error_code = -1;
326 static int hf_status_type = -1;
327 static int hf_status_info = -1;
328 static int hf_congestion_level = -1;
329 static int hf_asp_identifier = -1;
330 static int hf_mask = -1;
331 static int hf_dpc = -1;
332 static int hf_registration_status = -1;
333 static int hf_deregistration_status = -1;
334 static int hf_local_routing_key_identifier = -1;
335 static int hf_source_address_routing_indicator = -1;
336 static int hf_source_address_reserved_bits = -1;
337 static int hf_source_address_gt_bit = -1;
338 static int hf_source_address_pc_bit = -1;
339 static int hf_source_address_ssn_bit = -1;
340 static int hf_destination_address_routing_indicator = -1;
341 static int hf_destination_address_reserved_bits = -1;
342 static int hf_destination_address_gt_bit = -1;
343 static int hf_destination_address_pc_bit = -1;
344 static int hf_destination_address_ssn_bit = -1;
345 static int hf_ss7_hop_counter_counter = -1;
346 static int hf_ss7_hop_counter_reserved = -1;
347 static int hf_destination_reference_number = -1;
348 static int hf_source_reference_number = -1;
349 static int hf_cause_reserved = -1;
350 static int hf_cause_type = -1;
351 static int hf_cause_value = -1;
352 static int hf_sequence_number_reserved = -1;
353 static int hf_sequence_number_rec_number = -1;
354 static int hf_sequence_number_spare_bit = -1;
355 static int hf_sequence_number_sent_number = -1;
356 static int hf_sequence_number_more_data_bit = -1;
357 static int hf_receive_sequence_number_reserved = -1;
358 static int hf_receive_sequence_number_number = -1;
359 static int hf_receive_sequence_number_spare_bit = -1;
360 static int hf_asp_capabilities_reserved = -1;
361 static int hf_asp_capabilities_reserved_bits = -1;
362 static int hf_asp_capabilities_a_bit =-1;
363 static int hf_asp_capabilities_b_bit =-1;
364 static int hf_asp_capabilities_c_bit =-1;
365 static int hf_asp_capabilities_d_bit =-1;
366 static int hf_asp_capabilities_interworking = -1;
367 static int hf_credit = -1;
368 static int hf_data = -1;
369 static int hf_cause = -1;
370 static int hf_user = -1;
371 static int hf_network_appearance = -1;
372 static int hf_routing_key_identifier = -1;
373 static int hf_correlation_id = -1;
374 static int hf_importance_reserved = -1;
375 static int hf_importance = -1;
376 static int hf_message_priority_reserved = -1;
377 static int hf_message_priority = -1;
378 static int hf_protocol_class_reserved = -1;
379 static int hf_return_on_error_bit = -1;
380 static int hf_protocol_class = -1;
381 static int hf_sequence_control = -1;
382 static int hf_first_bit = -1;
383 static int hf_number_of_remaining_segments = -1;
384 static int hf_segmentation_reference = -1;
385 static int hf_smi = -1;
386 static int hf_smi_reserved = -1;
387 static int hf_tid_label_start = -1;
388 static int hf_tid_label_end = -1;
389 static int hf_tid_label_value = -1;
390 static int hf_drn_label_start = -1;
391 static int hf_drn_label_end = -1;
392 static int hf_drn_label_value = -1;
393 static int hf_number_of_digits = -1;
394 static int hf_translation_type = -1;
395 static int hf_numbering_plan = -1;
396 static int hf_nature_of_address = -1;
397 static int hf_global_title = -1;
398 static int hf_point_code_dpc = -1;
399 static int hf_ssn_reserved = -1;
400 static int hf_ssn_number = -1;
401 static int hf_ipv4 = -1;
402 static int hf_hostname = -1;
403 static int hf_ipv6 = -1;
405 /* Initialize the subtree pointers */
406 static gint ett_sua = -1;
407 static gint ett_sua_parameter = -1;
408 static gint ett_sua_source_address_indicator = -1;
409 static gint ett_sua_destination_address_indicator = -1;
410 static gint ett_sua_affected_destination = -1;
411 static gint ett_sua_first_remaining = -1;
412 static gint ett_sua_sequence_number_rec_number = -1;
413 static gint ett_sua_sequence_number_sent_number = -1;
414 static gint ett_sua_receive_sequence_number_number = -1;
415 static gint ett_sua_return_on_error_bit_and_protocol_class = -1;
416 static gint ett_sua_protcol_classes = -1;
419 dissect_parameters(tvbuff_t *tlv_tvb, proto_tree *tree);
422 dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *sua_tree)
424 guint8 message_class, message_type;
426 message_class = tvb_get_guint8(common_header_tvb, MESSAGE_CLASS_OFFSET);
427 message_type = tvb_get_guint8(common_header_tvb, MESSAGE_TYPE_OFFSET);
429 if (check_col(pinfo->cinfo, COL_INFO)) {
430 col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str(message_class * 256 + message_type, message_class_type_acro_values, "reserved"));
431 col_set_fence(pinfo->cinfo, COL_INFO);
435 /* add the components of the common header to the protocol tree */
436 proto_tree_add_item(sua_tree, hf_version, common_header_tvb, VERSION_OFFSET, VERSION_LENGTH, NETWORK_BYTE_ORDER);
437 proto_tree_add_item(sua_tree, hf_reserved, common_header_tvb, RESERVED_OFFSET, RESERVED_LENGTH, NETWORK_BYTE_ORDER);
438 proto_tree_add_item(sua_tree, hf_message_class, common_header_tvb, MESSAGE_CLASS_OFFSET, MESSAGE_CLASS_LENGTH, NETWORK_BYTE_ORDER);
439 proto_tree_add_uint_format(sua_tree, hf_message_type, common_header_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, message_type, "Message Type: %s (%u)",
440 val_to_str(message_class * 256 + message_type, message_class_type_values, "reserved"), message_type);
441 proto_tree_add_item(sua_tree, hf_message_length, common_header_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
445 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
448 dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
450 guint16 info_string_length;
452 info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
453 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, NETWORK_BYTE_ORDER);
454 proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
455 (const char *)tvb_get_ptr(parameter_tvb, INFO_STRING_OFFSET, info_string_length));
458 #define ROUTING_CONTEXT_LENGTH 4
461 dissect_routing_context_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
463 guint16 number_of_contexts, context_number;
466 number_of_contexts = (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / 4;
467 context_offset = PARAMETER_VALUE_OFFSET;
468 for(context_number=1; context_number <= number_of_contexts; context_number++) {
469 proto_tree_add_item(parameter_tree, hf_routing_context, parameter_tvb, context_offset, ROUTING_CONTEXT_LENGTH, NETWORK_BYTE_ORDER);
470 context_offset += ROUTING_CONTEXT_LENGTH;
472 proto_item_append_text(parameter_item, " (%u context%s)", number_of_contexts, plurality(number_of_contexts, "", "s"));
475 #define DIAGNOSTIC_INFO_OFFSET PARAMETER_VALUE_OFFSET
478 dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
480 guint16 diag_info_length;
482 diag_info_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
483 proto_tree_add_item(parameter_tree, hf_diagnostic_information_info, parameter_tvb, DIAGNOSTIC_INFO_OFFSET, diag_info_length, NETWORK_BYTE_ORDER);
484 proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
487 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
490 dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
492 guint16 heartbeat_data_length;
494 heartbeat_data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
495 proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, NETWORK_BYTE_ORDER);
496 proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
499 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
500 #define TRAFFIC_MODE_TYPE_LENGTH 4
502 static const value_string traffic_mode_type_values[] = {
509 dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
511 proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
512 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "unknown"));
515 #define ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
516 #define ERROR_CODE_LENGTH 4
518 static const value_string error_code_values[] = {
519 { 0x01, "Invalid version" },
520 { 0x03, "Unsupported message class" },
521 { 0x04, "Unsupported message type" },
522 { 0x05, "Unsupported traffic handling mode" },
523 { 0x06, "Unexpected message" },
524 { 0x07, "Protocol error" },
525 { 0x09, "Invalid stream identifier" },
526 { 0x0d, "Refused - management blocking" },
527 { 0x0e, "ASP identifier required" },
528 { 0x0f, "Invalid ASP identifier" },
529 { 0x11, "Invalid parameter value" },
530 { 0x12, "Parameter field error" },
531 { 0x13, "Unexpected parameter" },
532 { 0x14, "Destination status unknown" },
533 { 0x15, "Invalid network appearance" },
534 { 0x16, "Missing parameter" },
535 { 0x17, "Routing key change refused" },
536 { 0x19, "Invalid routing context" },
537 { 0x1a, "No configured AS for ASP" },
538 { 0x1b, "Subsystem status unknown" },
542 dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
544 proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, ERROR_CODE_OFFSET, ERROR_CODE_LENGTH, NETWORK_BYTE_ORDER);
545 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, ERROR_CODE_OFFSET), error_code_values, "unknown"));
548 #define STATUS_TYPE_LENGTH 2
549 #define STATUS_INFO_LENGTH 2
550 #define STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
551 #define STATUS_INFO_OFFSET (STATUS_TYPE_OFFSET + STATUS_TYPE_LENGTH)
553 #define AS_STATE_CHANGE_TYPE 1
556 static const value_string status_type_values[] = {
557 { AS_STATE_CHANGE_TYPE, "Application server state change" },
558 { OTHER_TYPE, "Other" },
561 #define RESERVED_INFO 1
562 #define AS_INACTIVE_INFO 2
563 #define AS_ACTIVE_INFO 3
564 #define AS_PENDING_INFO 4
566 #define INSUFFICIENT_ASP_RES_INFO 1
567 #define ALTERNATE_ASP_ACTIVE_INFO 2
568 #define ASP_FAILURE 3
570 static const value_string status_type_info_values[] = {
571 { AS_STATE_CHANGE_TYPE * 256 * 256 + RESERVED_INFO, "Reserved" },
572 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_INACTIVE_INFO, "Application server inactive" },
573 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_ACTIVE_INFO, "Application server active" },
574 { AS_STATE_CHANGE_TYPE * 256 * 256 + AS_PENDING_INFO, "Application server pending" },
575 { OTHER_TYPE * 256 * 256 + INSUFFICIENT_ASP_RES_INFO, "Insufficient ASP resources active in AS" },
576 { OTHER_TYPE * 256 * 256 + ALTERNATE_ASP_ACTIVE_INFO, "Alternate ASP active" },
577 { OTHER_TYPE * 256 * 256 + ASP_FAILURE, "ASP Failure" },
581 dissect_status_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
583 guint16 status_type, status_info;
585 status_type = tvb_get_ntohs(parameter_tvb, STATUS_TYPE_OFFSET);
586 status_info = tvb_get_ntohs(parameter_tvb, STATUS_INFO_OFFSET);
588 proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, STATUS_TYPE_OFFSET, STATUS_TYPE_LENGTH, NETWORK_BYTE_ORDER);
589 proto_tree_add_uint_format(parameter_tree, hf_status_info, parameter_tvb, STATUS_INFO_OFFSET, STATUS_INFO_LENGTH,
590 status_info, "Status info: %s (%u)", val_to_str(status_type * 256 * 256 + status_info, status_type_info_values, "unknown"), status_info);
592 proto_item_append_text(parameter_item, " (%s)", val_to_str(status_type * 256 * 256 + status_info, status_type_info_values, "unknown"));
595 #define ASP_IDENTIFIER_LENGTH 4
596 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
599 dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
601 proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER);
602 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, ASP_IDENTIFIER_OFFSET));
605 #define AFFECTED_MASK_LENGTH 1
606 #define AFFECTED_DPC_LENGTH 3
607 #define AFFECTED_DESTINATION_LENGTH (AFFECTED_MASK_LENGTH + AFFECTED_DPC_LENGTH)
609 #define AFFECTED_MASK_OFFSET 0
610 #define AFFECTED_DPC_OFFSET 1
613 dissect_affected_destinations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
615 guint16 number_of_destinations, destination_number;
616 gint destination_offset;
618 number_of_destinations= (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / 4;
619 destination_offset = PARAMETER_VALUE_OFFSET;
620 for(destination_number=1; destination_number <= number_of_destinations; destination_number++) {
621 proto_tree_add_item(parameter_tree, hf_mask, parameter_tvb, destination_offset + AFFECTED_MASK_OFFSET, AFFECTED_MASK_LENGTH, NETWORK_BYTE_ORDER);
622 proto_tree_add_item(parameter_tree, hf_dpc, parameter_tvb, destination_offset + AFFECTED_DPC_OFFSET, AFFECTED_DPC_LENGTH, NETWORK_BYTE_ORDER);
623 destination_offset += AFFECTED_DESTINATION_LENGTH;
625 proto_item_append_text(parameter_item, " (%u destination%s)", number_of_destinations, plurality(number_of_destinations, "", "s"));
628 #define CORRELATION_ID_LENGTH 4
629 #define CORRELATION_ID_OFFSET PARAMETER_VALUE_OFFSET
632 dissect_correlation_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
634 proto_tree_add_item(parameter_tree, hf_correlation_id, parameter_tvb, CORRELATION_ID_OFFSET, CORRELATION_ID_LENGTH, NETWORK_BYTE_ORDER);
635 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CORRELATION_ID_OFFSET));
639 dissect_registration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
641 tvbuff_t *parameters_tvb;
643 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
644 dissect_parameters(parameters_tvb, parameter_tree);
648 dissect_deregistration_result_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
650 tvbuff_t *parameters_tvb;
652 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
653 dissect_parameters(parameters_tvb, parameter_tree);
656 #define REGISTRATION_STATUS_LENGTH 4
657 #define REGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
659 static const value_string registration_status_values[] = {
660 { 0, "Successfully registered" },
661 { 1, "Error - unknown" },
662 { 2, "Error - invalid destination address" },
663 { 3, "Error - invalid network appearance" },
664 { 4, "Error - invalid routing key" },
665 { 5, "Error - permission denied" },
666 { 6, "Error - cannot support unique routing" },
667 { 7, "Error - routing key not currently provisioned" },
668 { 8, "Error - insufficient resources" },
669 { 9, "Error - unsupported RK parameter field" },
670 { 10, "Error - unsupported/invalid traffic mode type" },
674 dissect_registration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
676 proto_tree_add_item(parameter_tree, hf_registration_status, parameter_tvb, REGISTRATION_STATUS_OFFSET, REGISTRATION_STATUS_LENGTH, NETWORK_BYTE_ORDER);
677 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, REGISTRATION_STATUS_OFFSET), registration_status_values, "unknown"));
680 #define DEREGISTRATION_STATUS_LENGTH 4
681 #define DEREGISTRATION_STATUS_OFFSET PARAMETER_VALUE_OFFSET
683 static const value_string deregistration_status_values[] = {
684 { 0, "Successfully deregistered" },
685 { 1, "Error - unknown" },
686 { 2, "Error - invalid routing context" },
687 { 3, "Error - permission denied" },
688 { 4, "Error - not registered" },
689 { 5, "Error - ASP currently active for routing context" },
693 dissect_deregistration_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
695 proto_tree_add_item(parameter_tree, hf_deregistration_status, parameter_tvb, DEREGISTRATION_STATUS_OFFSET, DEREGISTRATION_STATUS_LENGTH, NETWORK_BYTE_ORDER);
696 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_ntohl(parameter_tvb, DEREGISTRATION_STATUS_OFFSET), deregistration_status_values, "unknown"));
699 #define LOCAL_ROUTING_KEY_IDENTIFIER_LENGTH 4
700 #define LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
703 dissect_local_routing_key_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
705 proto_tree_add_item(parameter_tree, hf_local_routing_key_identifier, parameter_tvb, LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET, LOCAL_ROUTING_KEY_IDENTIFIER_LENGTH, NETWORK_BYTE_ORDER);
706 proto_item_append_text(parameter_item, " (%d)", tvb_get_ntohl(parameter_tvb, LOCAL_ROUTING_KEY_IDENTIFIER_OFFSET));
709 #define SS7_HOP_COUNTER_LENGTH 1
710 #define SS7_HOP_COUNTER_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
713 dissect_ss7_hop_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
715 proto_tree_add_item(parameter_tree, hf_ss7_hop_counter_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
716 proto_tree_add_item(parameter_tree, hf_ss7_hop_counter_counter, parameter_tvb, SS7_HOP_COUNTER_OFFSET, SS7_HOP_COUNTER_LENGTH, NETWORK_BYTE_ORDER);
717 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SS7_HOP_COUNTER_OFFSET));
720 #define ROUTING_INDICATOR_LENGTH 2
721 #define ADDRESS_INDICATOR_LENGTH 2
723 #define ROUTING_INDICATOR_OFFSET PARAMETER_VALUE_OFFSET
724 #define ADDRESS_INDICATOR_OFFSET (ROUTING_INDICATOR_OFFSET + ROUTING_INDICATOR_LENGTH)
725 #define ADDRESS_PARAMETERS_OFFSET (ADDRESS_INDICATOR_OFFSET + ADDRESS_INDICATOR_LENGTH)
727 #define RESERVED_ROUTING_INDICATOR 0
728 #define ROUTE_ON_GT_ROUTING_INDICATOR 1
729 #define ROUTE_ON_SSN_PC_ROUTING_INDICATOR 2
730 #define ROUTE_ON_HOSTNAMEROUTING_INDICATOR 3
731 #define ROUTE_ON_SSN_IP_ROUTING_INDICATOR 4
733 static const value_string routing_indicator_values[] = {
734 { RESERVED_ROUTING_INDICATOR, "Reserved" },
735 { ROUTE_ON_GT_ROUTING_INDICATOR, "Route on Global Title" },
736 { ROUTE_ON_SSN_PC_ROUTING_INDICATOR, "Route on SSN + PC" },
737 { ROUTE_ON_HOSTNAMEROUTING_INDICATOR, "Route on Hostname" },
738 { ROUTE_ON_SSN_IP_ROUTING_INDICATOR, "Route on SSN + IP Address" },
741 #define ADDRESS_RESERVED_BITMASK 0xfff8
742 #define ADDRESS_GT_BITMASK 0x0004
743 #define ADDRESS_PC_BITMASK 0x0002
744 #define ADDRESS_SSN_BITMASK 0x0001
747 dissect_source_address_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
749 proto_item *address_indicator_item;
750 proto_tree *address_indicator_tree;
751 tvbuff_t *parameters_tvb;
753 proto_tree_add_item(parameter_tree, hf_source_address_routing_indicator, parameter_tvb, ROUTING_INDICATOR_OFFSET, ROUTING_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
754 address_indicator_item = proto_tree_add_text(parameter_tree, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, "Address Indicator");
755 address_indicator_tree = proto_item_add_subtree(address_indicator_item, ett_sua_source_address_indicator);
756 proto_tree_add_item(address_indicator_tree, hf_source_address_reserved_bits, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
757 proto_tree_add_item(address_indicator_tree, hf_source_address_gt_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
758 proto_tree_add_item(address_indicator_tree, hf_source_address_pc_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
759 proto_tree_add_item(address_indicator_tree, hf_source_address_ssn_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
761 parameters_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETERS_OFFSET, -1, -1);
762 dissect_parameters(parameters_tvb, parameter_tree);
766 dissect_destination_address_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
768 proto_item *address_indicator_item;
769 proto_tree *address_indicator_tree;
770 tvbuff_t *parameters_tvb;
772 proto_tree_add_item(parameter_tree, hf_destination_address_routing_indicator, parameter_tvb, ROUTING_INDICATOR_OFFSET, ROUTING_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
773 address_indicator_item = proto_tree_add_text(parameter_tree, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, "Address Indicator");
774 address_indicator_tree = proto_item_add_subtree(address_indicator_item, ett_sua_destination_address_indicator);
775 proto_tree_add_item(address_indicator_tree, hf_destination_address_reserved_bits, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
776 proto_tree_add_item(address_indicator_tree, hf_destination_address_gt_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
777 proto_tree_add_item(address_indicator_tree, hf_destination_address_pc_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
778 proto_tree_add_item(address_indicator_tree, hf_destination_address_ssn_bit, parameter_tvb, ADDRESS_INDICATOR_OFFSET, ADDRESS_INDICATOR_LENGTH, NETWORK_BYTE_ORDER);
780 parameters_tvb = tvb_new_subset(parameter_tvb, ADDRESS_PARAMETERS_OFFSET, -1, -1);
781 dissect_parameters(parameters_tvb, parameter_tree);
784 #define SOURCE_REFERENCE_NUMBER_LENGTH 4
785 #define SOURCE_REFERENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
788 dissect_source_reference_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
790 proto_tree_add_item(parameter_tree, hf_source_reference_number, parameter_tvb, SOURCE_REFERENCE_NUMBER_OFFSET, SOURCE_REFERENCE_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
791 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SOURCE_REFERENCE_NUMBER_OFFSET));
794 #define DESTINATION_REFERENCE_NUMBER_LENGTH 4
795 #define DESTINATION_REFERENCE_NUMBER_OFFSET PARAMETER_VALUE_OFFSET
798 dissect_destination_reference_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
800 proto_tree_add_item(parameter_tree, hf_destination_reference_number, parameter_tvb, DESTINATION_REFERENCE_NUMBER_OFFSET, DESTINATION_REFERENCE_NUMBER_LENGTH, NETWORK_BYTE_ORDER);
801 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, DESTINATION_REFERENCE_NUMBER_OFFSET));
804 #define CAUSE_TYPE_LENGTH 1
805 #define CAUSE_VALUE_LENGTH 1
807 #define CAUSE_TYPE_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
808 #define CAUSE_VALUE_OFFSET (CAUSE_TYPE_OFFSET + CAUSE_TYPE_LENGTH)
810 static const value_string cause_type_values[] = {
811 { 0x1, "Return Cause" },
812 { 0x2, "Refusual Cause" },
813 { 0x3, "Release Cause" },
814 { 0x4, "Reset Cause" },
815 { 0x5, "Error cause" },
819 dissect_sccp_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
821 proto_tree_add_item(parameter_tree, hf_cause_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
822 proto_tree_add_item(parameter_tree, hf_cause_type, parameter_tvb, CAUSE_TYPE_OFFSET, CAUSE_TYPE_LENGTH, NETWORK_BYTE_ORDER);
823 proto_tree_add_item(parameter_tree, hf_cause_value, parameter_tvb, CAUSE_VALUE_OFFSET, CAUSE_VALUE_LENGTH, NETWORK_BYTE_ORDER);
825 proto_item_append_text(parameter_item, " (%s)", val_to_str(tvb_get_guint8(parameter_tvb, CAUSE_TYPE_OFFSET), cause_type_values, "unknown"));
828 #define SEQUENCE_NUMBER_REC_SEQ_LENGTH 1
829 #define SEQUENCE_NUMBER_SENT_SEQ_LENGTH 1
830 #define SEQUENCE_NUMBER_REC_SEQ_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
831 #define SEQUENCE_NUMBER_SENT_SEQ_OFFSET (SEQUENCE_NUMBER_REC_SEQ_OFFSET + SEQUENCE_NUMBER_REC_SEQ_LENGTH)
833 #define SEQ_NUM_MASK 0xFE
834 #define SPARE_BIT_MASK 0x01
835 #define MORE_DATA_BIT_MASK 0x01
837 static const true_false_string more_data_bit_value = {
843 dissect_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
845 proto_item *sent_sequence_number_item;
846 proto_tree *sent_sequence_number_tree;
847 proto_item *receive_sequence_number_item;
848 proto_tree *receive_sequence_number_tree;
850 proto_tree_add_item(parameter_tree, hf_sequence_number_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
852 receive_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, "Receive Sequence Number");
853 receive_sequence_number_tree = proto_item_add_subtree(receive_sequence_number_item, ett_sua_sequence_number_rec_number);
854 proto_tree_add_item(receive_sequence_number_tree, hf_sequence_number_rec_number, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
855 proto_tree_add_item(receive_sequence_number_tree, hf_sequence_number_more_data_bit, parameter_tvb, SEQUENCE_NUMBER_REC_SEQ_OFFSET, SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
857 sent_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, "Sent Sequence Number");
858 sent_sequence_number_tree = proto_item_add_subtree(sent_sequence_number_item, ett_sua_sequence_number_sent_number);
859 proto_tree_add_item(sent_sequence_number_tree, hf_sequence_number_sent_number, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, NETWORK_BYTE_ORDER);
860 proto_tree_add_item(sent_sequence_number_tree, hf_sequence_number_spare_bit, parameter_tvb, SEQUENCE_NUMBER_SENT_SEQ_OFFSET, SEQUENCE_NUMBER_SENT_SEQ_LENGTH, NETWORK_BYTE_ORDER);
863 #define RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH 1
864 #define RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
867 dissect_receive_sequence_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
869 proto_item *receive_sequence_number_item;
870 proto_tree *receive_sequence_number_tree;
872 proto_tree_add_item(parameter_tree, hf_receive_sequence_number_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
873 receive_sequence_number_item = proto_tree_add_text(parameter_tree, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, "Receive Sequence Number");
874 receive_sequence_number_tree = proto_item_add_subtree(receive_sequence_number_item, ett_sua_receive_sequence_number_number);
875 proto_tree_add_item(receive_sequence_number_tree, hf_receive_sequence_number_number, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
876 proto_tree_add_item(receive_sequence_number_tree, hf_receive_sequence_number_spare_bit, parameter_tvb, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_OFFSET, RECEIVE_SEQUENCE_NUMBER_REC_SEQ_LENGTH, NETWORK_BYTE_ORDER);
879 #define PROTOCOL_CLASSES_LENGTH 1
880 #define INTERWORKING_LENGTH 1
881 #define PROTOCOL_CLASSES_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_2_LENGTH)
882 #define INTERWORKING_OFFSET (PROTOCOL_CLASSES_OFFSET + PROTOCOL_CLASSES_LENGTH)
884 #define A_BIT_MASK 0x08
885 #define B_BIT_MASK 0x04
886 #define C_BIT_MASK 0x02
887 #define D_BIT_MASK 0x01
888 #define RESERVED_BITS_MASK 0xF0
890 static const true_false_string sua_supported_bit_value = {
895 static const value_string interworking_values[] = {
896 { 0x0, "No Interworking with SS7 Networks" },
897 { 0x1, "IP-Signalling Endpoint interworking with with SS7 networks" },
898 { 0x2, "Signalling Gateway" },
899 { 0x3, "Relay Node Support" },
903 dissect_asp_capabilities_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
905 proto_item *protocol_classes_item;
906 proto_tree *protocol_classes_tree;
908 proto_tree_add_item(parameter_tree, hf_asp_capabilities_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_2_LENGTH, NETWORK_BYTE_ORDER);
909 protocol_classes_item = proto_tree_add_text(parameter_tree, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, "Protocol classes");
910 protocol_classes_tree = proto_item_add_subtree(protocol_classes_item, ett_sua_protcol_classes);
911 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_reserved_bits, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
912 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_a_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
913 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_b_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
914 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_c_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
915 proto_tree_add_item(protocol_classes_tree, hf_asp_capabilities_d_bit, parameter_tvb, PROTOCOL_CLASSES_OFFSET, PROTOCOL_CLASSES_LENGTH, NETWORK_BYTE_ORDER);
916 proto_tree_add_item(parameter_tree, hf_asp_capabilities_interworking, parameter_tvb, INTERWORKING_OFFSET, INTERWORKING_LENGTH, NETWORK_BYTE_ORDER);
919 #define CREDIT_LENGTH 4
920 #define CREDIT_OFFSET PARAMETER_VALUE_OFFSET
923 dissect_credit_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
925 proto_tree_add_item(parameter_tree, hf_credit, parameter_tvb, CREDIT_OFFSET, CREDIT_LENGTH, NETWORK_BYTE_ORDER);
926 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CREDIT_OFFSET));
929 #define DATA_PARAMETER_DATA_OFFSET PARAMETER_VALUE_OFFSET
932 dissect_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
936 data_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
937 proto_tree_add_item(parameter_tree, hf_data, parameter_tvb, DATA_PARAMETER_DATA_OFFSET, data_length, NETWORK_BYTE_ORDER);
938 proto_item_append_text(parameter_item, " (SS7 message of %u byte%s)", data_length, plurality(data_length, "", "s"));
942 #define CAUSE_LENGTH 2
943 #define USER_LENGTH 2
944 #define CAUSE_OFFSET PARAMETER_VALUE_OFFSET
945 #define USER_OFFSET (CAUSE_OFFSET + CAUSE_LENGTH)
947 static const value_string cause_values[] = {
948 { 0x0, "Remote SCCP unavailable, Reason unknown" },
949 { 0x2, "Remote SCCP unequipped" },
950 { 0x3, "Remote SCCP inaccessable" },
954 dissect_user_cause_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
956 proto_tree_add_item(parameter_tree, hf_cause, parameter_tvb, CAUSE_OFFSET, CAUSE_LENGTH, NETWORK_BYTE_ORDER);
957 proto_tree_add_item(parameter_tree, hf_user, parameter_tvb, USER_OFFSET, USER_LENGTH, NETWORK_BYTE_ORDER);
960 #define NETWORK_APPEARANCE_LENGTH 4
961 #define NETWORK_APPEARANCE_OFFSET PARAMETER_VALUE_OFFSET
964 dissect_network_appearance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
966 proto_tree_add_item(parameter_tree, hf_network_appearance, parameter_tvb, NETWORK_APPEARANCE_OFFSET, NETWORK_APPEARANCE_LENGTH, NETWORK_BYTE_ORDER);
967 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, NETWORK_APPEARANCE_OFFSET));
971 dissect_routing_key_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
973 tvbuff_t *parameters_tvb;
975 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
976 dissect_parameters(parameters_tvb, parameter_tree);
978 #define DRN_START_LENGTH 1
979 #define DRN_END_LENGTH 1
980 #define DRN_VALUE_LENGTH 2
982 #define DRN_START_OFFSET PARAMETER_VALUE_OFFSET
983 #define DRN_END_OFFSET (DRN_START_OFFSET + DRN_START_LENGTH)
984 #define DRN_VALUE_OFFSET (DRN_END_OFFSET + DRN_END_LENGTH)
987 dissect_drn_label_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
989 proto_tree_add_item(parameter_tree, hf_drn_label_start, parameter_tvb, DRN_START_OFFSET, DRN_START_LENGTH, NETWORK_BYTE_ORDER);
990 proto_tree_add_item(parameter_tree, hf_drn_label_end, parameter_tvb, DRN_END_OFFSET, DRN_END_LENGTH, NETWORK_BYTE_ORDER);
991 proto_tree_add_item(parameter_tree, hf_drn_label_value, parameter_tvb, DRN_VALUE_OFFSET, DRN_VALUE_LENGTH, NETWORK_BYTE_ORDER);
994 #define TID_START_LENGTH 1
995 #define TID_END_LENGTH 1
996 #define TID_VALUE_LENGTH 2
998 #define TID_START_OFFSET PARAMETER_VALUE_OFFSET
999 #define TID_END_OFFSET (TID_START_OFFSET + TID_START_LENGTH)
1000 #define TID_VALUE_OFFSET (TID_END_OFFSET + TID_END_LENGTH)
1003 dissect_tid_label_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1005 proto_tree_add_item(parameter_tree, hf_tid_label_start, parameter_tvb, TID_START_OFFSET, TID_START_LENGTH, NETWORK_BYTE_ORDER);
1006 proto_tree_add_item(parameter_tree, hf_tid_label_end, parameter_tvb, TID_END_OFFSET, TID_END_LENGTH, NETWORK_BYTE_ORDER);
1007 proto_tree_add_item(parameter_tree, hf_tid_label_value, parameter_tvb, TID_VALUE_OFFSET, TID_VALUE_LENGTH, NETWORK_BYTE_ORDER);
1010 #define ADDRESS_RANGE_ADDRESS_PARAMETERS_OFFSET PARAMETER_VALUE_OFFSET
1013 dissect_address_range_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1015 tvbuff_t *parameters_tvb;
1017 parameters_tvb = tvb_new_subset(parameter_tvb, PARAMETER_VALUE_OFFSET, -1, -1);
1018 dissect_parameters(parameters_tvb, parameter_tree);
1021 #define SMI_LENGTH 1
1022 #define SMI_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1025 dissect_smi_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1027 proto_tree_add_item(parameter_tree, hf_smi_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1028 proto_tree_add_item(parameter_tree, hf_smi, parameter_tvb, SMI_OFFSET, SMI_LENGTH, NETWORK_BYTE_ORDER);
1029 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SMI_OFFSET));
1032 #define IMPORTANCE_LENGTH 1
1033 #define IMPORTANCE_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1036 dissect_importance_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1038 proto_tree_add_item(parameter_tree, hf_importance_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1039 proto_tree_add_item(parameter_tree, hf_importance, parameter_tvb, IMPORTANCE_OFFSET, IMPORTANCE_LENGTH, NETWORK_BYTE_ORDER);
1040 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, IMPORTANCE_OFFSET));
1043 #define MESSAGE_PRIORITY_LENGTH 1
1044 #define MESSAGE_PRIORITY_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1047 dissect_message_priority_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1049 proto_tree_add_item(parameter_tree, hf_message_priority_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1050 proto_tree_add_item(parameter_tree, hf_message_priority, parameter_tvb, MESSAGE_PRIORITY_OFFSET, MESSAGE_PRIORITY_LENGTH, NETWORK_BYTE_ORDER);
1051 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, MESSAGE_PRIORITY_OFFSET));
1054 #define PROTOCOL_CLASS_LENGTH 1
1055 #define PROTOCOL_CLASS_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1057 #define RETURN_ON_ERROR_BIT_MASK 0x80
1058 #define PROTOCOL_CLASS_MASK 0x7f
1061 static const true_false_string return_on_error_bit_value = {
1062 "Return Message On Error",
1063 "No Special Options"
1067 dissect_protocol_class_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1069 proto_item *protocol_class_item;
1070 proto_tree *protocol_class_tree;
1072 proto_tree_add_item(parameter_tree, hf_protocol_class_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1074 protocol_class_item = proto_tree_add_text(parameter_tree, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, "Protocol Class");
1075 protocol_class_tree = proto_item_add_subtree(protocol_class_item, ett_sua_return_on_error_bit_and_protocol_class);
1077 proto_tree_add_item(protocol_class_tree, hf_return_on_error_bit, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, NETWORK_BYTE_ORDER);
1078 proto_tree_add_item(protocol_class_tree, hf_protocol_class, parameter_tvb, PROTOCOL_CLASS_OFFSET, PROTOCOL_CLASS_LENGTH, NETWORK_BYTE_ORDER);
1081 #define SEQUENCE_CONTROL_LENGTH 4
1082 #define SEQUENCE_CONTROL_OFFSET PARAMETER_VALUE_OFFSET
1085 dissect_sequence_control_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1087 proto_tree_add_item(parameter_tree, hf_sequence_control, parameter_tvb, SEQUENCE_CONTROL_OFFSET, SEQUENCE_CONTROL_LENGTH, NETWORK_BYTE_ORDER);
1088 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, SEQUENCE_CONTROL_OFFSET));
1091 #define FIRST_REMAINING_LENGTH 1
1092 #define SEGMENTATION_REFERENCE_LENGTH 3
1093 #define FIRST_REMAINING_OFFSET PARAMETER_VALUE_OFFSET
1094 #define SEGMENTATION_REFERENCE_OFFSET (FIRST_REMAINING_OFFSET + FIRST_REMAINING_LENGTH)
1096 #define FIRST_BIT_MASK 0x80
1097 #define NUMBER_OF_SEGMENTS_MASK 0x7f
1099 static const true_false_string first_bit_value = {
1101 "Subsequent segment"
1105 dissect_segmentation_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1107 proto_item *first_remaining_item;
1108 proto_tree *first_remaining_tree;
1110 first_remaining_item = proto_tree_add_text(parameter_tree, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, "First / Remaining");
1111 first_remaining_tree = proto_item_add_subtree(first_remaining_item, ett_sua_first_remaining);
1112 proto_tree_add_item(first_remaining_tree, hf_first_bit, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, NETWORK_BYTE_ORDER);
1113 proto_tree_add_item(first_remaining_tree, hf_number_of_remaining_segments, parameter_tvb, FIRST_REMAINING_OFFSET, FIRST_REMAINING_LENGTH, NETWORK_BYTE_ORDER);
1114 proto_tree_add_item(parameter_tree, hf_segmentation_reference, parameter_tvb, SEGMENTATION_REFERENCE_OFFSET, SEGMENTATION_REFERENCE_LENGTH, NETWORK_BYTE_ORDER);
1117 #define CONGESTION_LEVEL_LENGTH 4
1118 #define CONGESTION_LEVEL_OFFSET PARAMETER_VALUE_OFFSET
1121 dissect_congestion_level_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1123 proto_tree_add_item(parameter_tree, hf_congestion_level, parameter_tvb, CONGESTION_LEVEL_OFFSET, CONGESTION_LEVEL_LENGTH, NETWORK_BYTE_ORDER);
1124 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, CONGESTION_LEVEL_OFFSET));
1127 #define NO_OF_DIGITS_LENGTH 1
1128 #define TRANSLATION_TYPE_LENGTH 1
1129 #define NUMBERING_PLAN_LENGTH 1
1130 #define NATURE_OF_ADDRESS_LENGTH 1
1132 #define NO_OF_DIGITS_OFFSET PARAMETER_VALUE_OFFSET
1133 #define TRANSLATION_TYPE_OFFSET (NO_OF_DIGITS_OFFSET + NO_OF_DIGITS_LENGTH)
1134 #define NUMBERING_PLAN_OFFSET (TRANSLATION_TYPE_OFFSET + TRANSLATION_TYPE_LENGTH)
1135 #define NATURE_OF_ADDRESS_OFFSET (NUMBERING_PLAN_OFFSET + NUMBERING_PLAN_LENGTH)
1136 #define GLOBAL_TITLE_OFFSET (NATURE_OF_ADDRESS_OFFSET + NATURE_OF_ADDRESS_LENGTH)
1138 #define ISDN_TELEPHONY_NUMBERING_PLAN 1
1139 #define GENERIC_NUMBERING_PLAN 2
1140 #define DATA_NUMBERING_PLAN 3
1141 #define TELEX_NUMBERING_PLAN 4
1142 #define MARITIME_MOBILE_NUMBERING_PLAN 5
1143 #define LAND_MOBILE_NUMBERING_PLAN 6
1144 #define ISDN_MOBILE_NUMBERING_PLAN 7
1145 #define PRIVATE_NETWORK_NUMBERING_PLAN 14
1147 static const value_string numbering_plan_values[] = {
1148 { ISDN_TELEPHONY_NUMBERING_PLAN, "ISDN/Telephony Numbering Plan (Rec. E.161 and E.164)" },
1149 { GENERIC_NUMBERING_PLAN, "Generic Numbering Plan" },
1150 { DATA_NUMBERING_PLAN, "Data Numbering Plan (Rec. X.121)" },
1151 { TELEX_NUMBERING_PLAN, "Telex Numbering Plan (Rec. F.69)" },
1152 { MARITIME_MOBILE_NUMBERING_PLAN, "Maritime Mobile Numbering Plan (Rec. E.210 and E.211)" },
1153 { LAND_MOBILE_NUMBERING_PLAN, "Land Mobile Numbering Plan (Rec. E.212)" },
1154 { ISDN_MOBILE_NUMBERING_PLAN, "ISDN/Mobile Numbering Plan (Rec. E.214)" },
1155 { PRIVATE_NETWORK_NUMBERING_PLAN, "Private Network Or Network-Specific Numbering Plan" },
1158 #define UNKNOWN_NATURE_OF_ADDRESS 0
1159 #define SUBSCRIBER_NUMBER_NATURE_OF_ADDRESS 1
1160 #define RESERVED_FOR_NATIONAL_USE_NATURE_OF_ADDRESS 2
1161 #define NATIONAL_SIGNIFICANT_NUMBER_NATURE_OF_ADDRESS 3
1162 #define INTERNATION_NUMBER_NATURE_OF_ADDRESS 4
1164 static const value_string nature_of_address_values[] = {
1165 { UNKNOWN_NATURE_OF_ADDRESS, "Unknown" },
1166 { SUBSCRIBER_NUMBER_NATURE_OF_ADDRESS, "Subscriber Number" },
1167 { RESERVED_FOR_NATIONAL_USE_NATURE_OF_ADDRESS, "Reserved For National Use" },
1168 { NATIONAL_SIGNIFICANT_NUMBER_NATURE_OF_ADDRESS, "Natinal Significant Number" },
1169 { INTERNATION_NUMBER_NATURE_OF_ADDRESS, "International Number" },
1173 dissect_global_title_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
1175 guint16 global_title_length;
1177 global_title_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) -
1178 (PARAMETER_HEADER_LENGTH + NO_OF_DIGITS_LENGTH + TRANSLATION_TYPE_LENGTH + NUMBERING_PLAN_LENGTH + NATURE_OF_ADDRESS_LENGTH);
1179 proto_tree_add_item(parameter_tree, hf_number_of_digits, parameter_tvb, NO_OF_DIGITS_OFFSET, NO_OF_DIGITS_LENGTH, NETWORK_BYTE_ORDER);
1180 proto_tree_add_item(parameter_tree, hf_translation_type, parameter_tvb, TRANSLATION_TYPE_OFFSET, TRANSLATION_TYPE_LENGTH, NETWORK_BYTE_ORDER);
1181 proto_tree_add_item(parameter_tree, hf_numbering_plan, parameter_tvb, NUMBERING_PLAN_OFFSET, NUMBERING_PLAN_LENGTH, NETWORK_BYTE_ORDER);
1182 proto_tree_add_item(parameter_tree, hf_nature_of_address, parameter_tvb, NATURE_OF_ADDRESS_OFFSET, NATURE_OF_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1183 proto_tree_add_item(parameter_tree, hf_global_title, parameter_tvb, GLOBAL_TITLE_OFFSET, global_title_length, NETWORK_BYTE_ORDER);
1186 #define POINT_CODE_LENGTH 4
1187 #define POINT_CODE_OFFSET PARAMETER_VALUE_OFFSET
1190 dissect_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1192 proto_tree_add_item(parameter_tree, hf_point_code_dpc, parameter_tvb, POINT_CODE_OFFSET, POINT_CODE_LENGTH, NETWORK_BYTE_ORDER);
1193 proto_item_append_text(parameter_item, " (%u)", tvb_get_ntohl(parameter_tvb, POINT_CODE_OFFSET));
1196 #define SSN_LENGTH 1
1197 #define SSN_OFFSET (PARAMETER_VALUE_OFFSET + RESERVED_3_LENGTH)
1200 dissect_ssn_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1202 proto_tree_add_item(parameter_tree, hf_ssn_reserved, parameter_tvb, PARAMETER_VALUE_OFFSET, RESERVED_3_LENGTH, NETWORK_BYTE_ORDER);
1203 proto_tree_add_item(parameter_tree, hf_ssn_number, parameter_tvb, SSN_OFFSET, SSN_LENGTH, NETWORK_BYTE_ORDER);
1205 proto_item_append_text(parameter_item, " (%u)", tvb_get_guint8(parameter_tvb, SSN_OFFSET));
1208 #define IPV4_ADDRESS_LENGTH 4
1209 #define IPV4_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
1212 dissect_ipv4_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1214 proto_tree_add_item(parameter_tree, hf_ipv4, parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1215 proto_item_append_text(parameter_item, " (%s)", ip_to_str((const guint8 *)tvb_get_ptr(parameter_tvb, IPV4_ADDRESS_OFFSET, IPV4_ADDRESS_LENGTH)));
1218 #define HOSTNAME_OFFSET PARAMETER_VALUE_OFFSET
1221 dissect_hostname_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1223 guint16 hostname_length;
1225 hostname_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
1226 proto_tree_add_item(parameter_tree, hf_hostname, parameter_tvb, HOSTNAME_OFFSET, hostname_length, NETWORK_BYTE_ORDER);
1227 proto_item_append_text(parameter_item, " (%.*s)", hostname_length,
1228 (const char *)tvb_get_ptr(parameter_tvb, HOSTNAME_OFFSET, hostname_length));
1231 #define IPV6_ADDRESS_LENGTH 16
1232 #define IPV6_ADDRESS_OFFSET PARAMETER_VALUE_OFFSET
1235 dissect_ipv6_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1237 proto_tree_add_item(parameter_tree, hf_ipv6, parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH, NETWORK_BYTE_ORDER);
1238 proto_item_append_text(parameter_item, " (%s)", ip6_to_str((const struct e_in6_addr *)tvb_get_ptr(parameter_tvb, IPV6_ADDRESS_OFFSET, IPV6_ADDRESS_LENGTH)));
1242 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
1244 guint16 parameter_value_length;
1246 parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
1247 proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, NETWORK_BYTE_ORDER);
1248 proto_item_append_text(parameter_item, "(tag %u and %u byte%s value)", tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
1252 dissect_parameter(tvbuff_t *parameter_tvb, proto_tree *tree)
1254 guint16 tag, length, padding_length;
1255 proto_item *parameter_item;
1256 proto_tree *parameter_tree;
1258 /* extract tag and length from the parameter */
1259 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
1260 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
1261 padding_length = tvb_length(parameter_tvb) - length;
1263 /* create proto_tree stuff */
1264 parameter_item = proto_tree_add_text(tree, parameter_tvb, PARAMETER_HEADER_OFFSET, tvb_length(parameter_tvb), val_to_str(tag, parameter_tag_values, "Unknown parameter"));
1265 parameter_tree = proto_item_add_subtree(parameter_item, ett_sua_parameter);
1267 /* add tag and length to the sua tree */
1268 proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, NETWORK_BYTE_ORDER);
1269 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, NETWORK_BYTE_ORDER);
1272 case DATA_PARAMETER_TAG:
1273 dissect_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1275 case INFO_STRING_PARAMETER_TAG:
1276 dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
1278 case ROUTING_CONTEXT_PARAMETER_TAG:
1279 dissect_routing_context_parameter(parameter_tvb, parameter_tree, parameter_item);
1281 case DIAGNOSTIC_INFO_PARAMETER_TAG:
1282 dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
1284 case HEARTBEAT_DATA_PARAMETER_TAG:
1285 dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
1287 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
1288 dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1290 case ERROR_CODE_PARAMETER_TAG:
1291 dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1293 case STATUS_PARAMETER_TAG:
1294 dissect_status_type_parameter(parameter_tvb, parameter_tree, parameter_item);
1296 case CONGESTION_LEVEL_PARAMETER_TAG:
1297 dissect_congestion_level_parameter(parameter_tvb, parameter_tree, parameter_item);
1299 case ASP_IDENTIFIER_PARAMETER_TAG:
1300 dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1302 case AFFECTED_POINT_CODE_PARAMETER_TAG:
1303 dissect_affected_destinations_parameter(parameter_tvb, parameter_tree, parameter_item);
1305 case REGISTRATION_STATUS_PARAMETER_TAG:
1306 dissect_registration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1308 case DEREGISTRATION_STATUS_PARAMETER_TAG:
1309 dissect_deregistration_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1311 case LOCAL_ROUTING_KEY_IDENTIFIER_PARAMETER_TAG:
1312 dissect_local_routing_key_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1314 case SS7_HOP_COUNTER_PARAMETER_TAG:
1315 dissect_ss7_hop_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
1317 case SOURCE_ADDRESS_PARAMETER_TAG:
1318 dissect_source_address_parameter(parameter_tvb, parameter_tree);
1320 case DESTINATION_ADDRESS_PARAMETER_TAG:
1321 dissect_destination_address_parameter(parameter_tvb, parameter_tree);
1323 case SOURCE_REFERENCE_NUMBER_PARAMETER_TAG:
1324 dissect_source_reference_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1326 case DESTINATION_REFERENCE_NUMBER_PARAMETER_TAG:
1327 dissect_destination_reference_number_parameter(parameter_tvb, parameter_tree, parameter_item);
1329 case SCCP_CAUSE_PARAMETER_TAG:
1330 dissect_sccp_cause_parameter(parameter_tvb, parameter_tree, parameter_item);
1332 case SEQUENCE_NUMBER_PARAMETER_TAG:
1333 dissect_sequence_number_parameter(parameter_tvb, parameter_tree);
1335 case RECEIVE_SEQUENCE_NUMBER_PARAMETER_TAG:
1336 dissect_receive_sequence_number_parameter(parameter_tvb, parameter_tree);
1338 case ASP_CAPABILITIES_PARAMETER_TAG:
1339 dissect_asp_capabilities_parameter(parameter_tvb, parameter_tree);
1341 case CREDIT_PARAMETER_TAG:
1342 dissect_credit_parameter(parameter_tvb, parameter_tree, parameter_item);
1344 case USER_CAUSE_PARAMETER_TAG:
1345 dissect_user_cause_parameter(parameter_tvb, parameter_tree);
1347 case NETWORK_APPEARANCE_PARAMETER_TAG:
1348 dissect_network_appearance_parameter(parameter_tvb, parameter_tree, parameter_item);
1350 case ROUTING_KEY_PARAMETER_TAG:
1351 dissect_routing_key_parameter(parameter_tvb, parameter_tree);
1353 case REGISTRATION_RESULT_PARAMETER_TAG:
1354 dissect_registration_result_parameter(parameter_tvb, parameter_tree);
1356 case DEREGISTRATION_RESULT_PARAMETER_TAG:
1357 dissect_deregistration_result_parameter(parameter_tvb, parameter_tree);
1359 case ADDRESS_RANGE_PARAMETER_TAG:
1360 dissect_address_range_parameter(parameter_tvb, parameter_tree);
1362 case CORRELATION_ID_PARAMETER_TAG:
1363 dissect_correlation_id_parameter(parameter_tvb, parameter_tree, parameter_item);
1365 case IMPORTANCE_PARAMETER_TAG:
1366 dissect_importance_parameter(parameter_tvb, parameter_tree, parameter_item);
1368 case MESSAGE_PRIORITY_PARAMETER_TAG:
1369 dissect_message_priority_parameter(parameter_tvb, parameter_tree, parameter_item);
1371 case PROTOCOL_CLASS_PARAMETER_TAG:
1372 dissect_protocol_class_parameter(parameter_tvb, parameter_tree);
1374 case SEQUENCE_CONTROL_PARAMETER_TAG:
1375 dissect_sequence_control_parameter(parameter_tvb, parameter_tree, parameter_item);
1377 case SEGMENTATION_PARAMETER_TAG:
1378 dissect_segmentation_parameter(parameter_tvb, parameter_tree);
1380 case SMI_PARAMETER_TAG:
1381 dissect_smi_parameter(parameter_tvb, parameter_tree, parameter_item);
1383 case TID_LABEL_PARAMETER_TAG:
1384 dissect_tid_label_parameter(parameter_tvb, parameter_tree);
1386 case DRN_LABEL_PARAMETER_TAG:
1387 dissect_drn_label_parameter(parameter_tvb, parameter_tree);
1389 case GLOBAL_TITLE_PARAMETER_TAG:
1390 dissect_global_title_parameter(parameter_tvb, parameter_tree);
1392 case POINT_CODE_PARAMETER_TAG:
1393 dissect_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
1395 case SUBSYSTEM_NUMBER_PARAMETER_TAG:
1396 dissect_ssn_parameter(parameter_tvb, parameter_tree, parameter_item);
1398 case IPV4_ADDRESS_PARAMETER_TAG:
1399 dissect_ipv4_parameter(parameter_tvb, parameter_tree, parameter_item);
1401 case HOSTNAME_PARAMETER_TAG:
1402 dissect_hostname_parameter(parameter_tvb, parameter_tree, parameter_item);
1404 case IPV6_ADDRESS_PARAMETER_TAG:
1405 dissect_ipv6_parameter(parameter_tvb, parameter_tree, parameter_item);
1408 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1411 if (padding_length > 0)
1412 proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, NETWORK_BYTE_ORDER);
1416 dissect_parameters(tvbuff_t *parameters_tvb, proto_tree *tree)
1418 gint offset, length, total_length, remaining_length;
1419 tvbuff_t *parameter_tvb;
1422 while((remaining_length = tvb_length_remaining(parameters_tvb, offset))) {
1423 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1424 total_length = ADD_PADDING(length);
1425 if (remaining_length >= length)
1426 total_length = MIN(total_length, remaining_length);
1427 /* create a tvb for the parameter including the padding bytes */
1428 parameter_tvb = tvb_new_subset(parameters_tvb, offset, total_length, total_length);
1429 dissect_parameter(parameter_tvb, tree);
1430 /* get rid of the handled parameter */
1431 offset += total_length;
1436 dissect_sua_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *sua_tree)
1438 tvbuff_t *common_header_tvb;
1439 tvbuff_t *parameters_tvb;
1441 common_header_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH, COMMON_HEADER_LENGTH);
1442 dissect_common_header(common_header_tvb, pinfo, sua_tree);
1445 parameters_tvb = tvb_new_subset(message_tvb, COMMON_HEADER_LENGTH, -1, -1);
1446 dissect_parameters(parameters_tvb, sua_tree);
1451 dissect_sua(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree)
1453 proto_item *sua_item;
1454 proto_tree *sua_tree;
1456 /* make entry in the Protocol column on summary display */
1457 if (check_col(pinfo->cinfo, COL_PROTOCOL))
1458 col_set_str(pinfo->cinfo, COL_PROTOCOL, "SUA");
1460 /* In the interest of speed, if "tree" is NULL, don't do any work not
1461 necessary to generate protocol tree items. */
1463 /* create the sua protocol tree */
1464 sua_item = proto_tree_add_item(tree, proto_sua, message_tvb, 0, -1, FALSE);
1465 sua_tree = proto_item_add_subtree(sua_item, ett_sua);
1470 /* dissect the message */
1471 dissect_sua_message(message_tvb, pinfo, sua_tree);
1474 /* Register the protocol with Ethereal */
1476 proto_register_sua(void)
1479 /* Setup list of header fields */
1480 static hf_register_info hf[] = {
1481 { &hf_version, { "Version", "sua.version", FT_UINT8, BASE_DEC, VALS(protocol_version_values), 0x0, "", HFILL } },
1482 { &hf_reserved, { "Reserved", "sua.reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1483 { &hf_message_class, { "Message Class", "sua.message_class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, "", HFILL } },
1484 { &hf_message_type, { "Message Type", "sua.message_type", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1485 { &hf_message_length, { "Message Length", "sua.message_length", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1486 { &hf_parameter_tag, { "Parameter Tag", "sua.parameter_tag", FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0, "", HFILL } },
1487 { &hf_parameter_length, { "Parameter Length", "sua.parameter_length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1488 { &hf_parameter_value, { "Parameter Value", "sua.parameter_value", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1489 { &hf_parameter_padding, { "Padding", "sua.parameter_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1490 { &hf_info_string, { "Info string", "sua.info_string", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
1491 { &hf_routing_context, { "Routing context", "sua.routing_context", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1492 { &hf_diagnostic_information_info, { "Diagnostic Information", "sua.diagnostic_information", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1493 { &hf_heartbeat_data, { "Heratbeat Data", "sua.heartbeat_data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1494 { &hf_traffic_mode_type, { "Traffic mode Type", "sua.traffic_mode_type", FT_UINT32, BASE_DEC, VALS(traffic_mode_type_values), 0x0, "", HFILL } },
1495 { &hf_error_code, { "Error code", "sua.error_code", FT_UINT32, BASE_DEC, VALS(error_code_values), 0x0, "", HFILL } },
1496 { &hf_status_type, { "Status type", "sua.status_type", FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0, "", HFILL } },
1497 { &hf_status_info, { "Status info", "sua.status_info", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1498 { &hf_congestion_level, { "Congestion Level", "sua.congestion_level", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1499 { &hf_asp_identifier, { "ASP Identifier", "sua.asp_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1500 { &hf_mask, { "Mask", "sua.affected_point_code_mask", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1501 { &hf_dpc, { "Affected DPC", "sua.affected_pointcode_dpc", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } },
1502 { &hf_registration_status, { "Registration status", "sua.registration_status", FT_UINT32, BASE_DEC, VALS(registration_status_values), 0x0, "", HFILL } },
1503 { &hf_deregistration_status, { "Deregistration status", "sua.deregistration_status", FT_UINT32, BASE_DEC, VALS(deregistration_status_values), 0x0, "", HFILL } },
1504 { &hf_local_routing_key_identifier, { "Local routing key identifier", "sua.local_routing_key_identifier", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1505 { &hf_source_address_routing_indicator, { "Routing Indicator", "sua.source_address_routing_indicator", FT_UINT16, BASE_DEC, VALS(routing_indicator_values), 0x0, "", HFILL } },
1506 { &hf_source_address_reserved_bits, { "Reserved Bits", "sua.source_address_reserved_bits", FT_UINT16, BASE_DEC, NULL, ADDRESS_RESERVED_BITMASK, "", HFILL } },
1507 { &hf_source_address_gt_bit, { "Include GT", "sua.source_address_gt_bit", FT_BOOLEAN, 16, NULL, ADDRESS_GT_BITMASK, "", HFILL } },
1508 { &hf_source_address_pc_bit, { "Include PC", "sua.source_address_pc_bit", FT_BOOLEAN, 16, NULL, ADDRESS_PC_BITMASK, "", HFILL } },
1509 { &hf_source_address_ssn_bit, { "Include SSN", "sua.source_address_ssn_bit", FT_BOOLEAN, 16, NULL, ADDRESS_SSN_BITMASK, "", HFILL } },
1510 { &hf_destination_address_routing_indicator, { "Routing Indicator", "sua.destination_address_routing_indicator", FT_UINT16, BASE_DEC, VALS(routing_indicator_values), 0x0, "", HFILL } },
1511 { &hf_destination_address_reserved_bits, { "Reserved Bits", "sua.destination_address_reserved_bits", FT_UINT16, BASE_DEC, NULL, ADDRESS_RESERVED_BITMASK, "", HFILL } },
1512 { &hf_destination_address_gt_bit, { "Include GT", "sua.destination_address_gt_bit", FT_BOOLEAN, 16, NULL, ADDRESS_GT_BITMASK, "", HFILL } },
1513 { &hf_destination_address_pc_bit, { "Include PC", "sua.destination_address_pc_bit", FT_BOOLEAN, 16, NULL, ADDRESS_PC_BITMASK, "", HFILL } },
1514 { &hf_destination_address_ssn_bit, { "Include SSN", "sua.destination_address_ssn_bit", FT_BOOLEAN, 16, NULL, ADDRESS_SSN_BITMASK, "", HFILL } },
1515 { &hf_ss7_hop_counter_counter, { "SS7 Hop Counter", "sua.ss7_hop_counter_counter", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1516 { &hf_ss7_hop_counter_reserved, { "Reserved", "sua.ss7_hop_counter_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1517 { &hf_destination_reference_number, { "Destination Reference Number", "sua.destination_reference_number", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1518 { &hf_source_reference_number, { "Source Reference Number", "sua.source_reference_number", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1519 { &hf_cause_reserved, { "Reserved", "sua.sccp_cause_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1520 { &hf_cause_type, { "Cause Type", "sua.sccp_cause_type", FT_UINT8, BASE_HEX, VALS(cause_type_values), 0x0, "", HFILL } },
1521 { &hf_cause_value, { "Cause Value", "sua.sccp_cause_value", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1522 { &hf_sequence_number_reserved, { "Reserved", "sua.sequence_number_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1523 { &hf_sequence_number_rec_number, { "Receive Sequence Number P(R)", "sua.sequence_number_receive_sequence_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1524 { &hf_sequence_number_more_data_bit, { "More Data Bit", "sua.sequence_number_more_data_bit", FT_BOOLEAN, 8, TFS(&more_data_bit_value), MORE_DATA_BIT_MASK, "", HFILL } },
1525 { &hf_sequence_number_sent_number, { "Sent Sequence Number P(S)", "sua.sequence_number_sent_sequence_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1526 { &hf_sequence_number_spare_bit, { "Spare Bit", "sua.sequence_number_spare_bit", FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK, "", HFILL } },
1527 { &hf_receive_sequence_number_reserved, { "Reserved", "sua.receive_sequence_number_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1528 { &hf_receive_sequence_number_number, { "Receive Sequence Number P(R)", "sua.receive_sequence_number_number", FT_UINT8, BASE_DEC, NULL, SEQ_NUM_MASK, "", HFILL } },
1529 { &hf_receive_sequence_number_spare_bit, { "Spare Bit", "sua.receive_sequence_number_spare_bit", FT_BOOLEAN, 8, NULL, SPARE_BIT_MASK, "", HFILL } },
1530 { &hf_asp_capabilities_reserved, { "Reserved", "sua.asp_capabilities_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1531 { &hf_asp_capabilities_reserved_bits, { "Reserved Bits", "sua.asp_capabilities_reserved_bits", FT_UINT8, BASE_HEX, NULL, RESERVED_BITS_MASK, "", HFILL } },
1532 { &hf_asp_capabilities_a_bit, { "Protocol Class 3", "sua.asp_capabilities_a_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), A_BIT_MASK, "", HFILL } },
1533 { &hf_asp_capabilities_b_bit, { "Protocol Class 2", "sua.asp_capabilities_b_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), B_BIT_MASK, "", HFILL } },
1534 { &hf_asp_capabilities_c_bit, { "Protocol Class 1", "sua.asp_capabilities_c_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), C_BIT_MASK, "", HFILL } },
1535 { &hf_asp_capabilities_d_bit, { "Protocol Class 0", "sua.asp_capabilities_d_bit", FT_BOOLEAN, 8, TFS(&sua_supported_bit_value), D_BIT_MASK, "", HFILL } },
1536 { &hf_asp_capabilities_interworking, { "Interworking", "sua.asp_capabilities_interworking", FT_UINT8, BASE_HEX, VALS(interworking_values), 0x0, "", HFILL } },
1537 { &hf_credit, { "Credit", "sua.credit", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1538 { &hf_cause, { "Cause", "sua.cause_user_cause", FT_UINT16, BASE_DEC, VALS(cause_values), 0x0, "", HFILL } },
1539 { &hf_user, { "User", "sua.cause_user_user", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL } },
1540 { &hf_data, { "Data", "sua.data", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1541 { &hf_network_appearance, { "Network Appearance", "sua.network_appearance", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1542 { &hf_routing_key_identifier, { "Local Routing Key Identifier", "sua.routing_key_identifier", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL } },
1543 { &hf_correlation_id, { "Correlation ID", "sua.correlation_id", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1544 { &hf_importance_reserved, { "Reserved", "sua.importance_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1545 { &hf_importance, { "Importance", "sua.importance_inportance", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1546 { &hf_message_priority_reserved, { "Reserved", "sua.message_priority_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1547 { &hf_message_priority, { "Message Priority", "sua.message_priority_priority", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1548 { &hf_protocol_class_reserved, { "Reserved", "sua.protcol_class_reserved", FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL } },
1549 { &hf_return_on_error_bit, { "Return On Error Bit", "sua.protocol_class_return_on_error_bit", FT_BOOLEAN, 8, TFS(&return_on_error_bit_value), RETURN_ON_ERROR_BIT_MASK, "", HFILL } },
1550 { &hf_protocol_class, { "Protocol Class", "sua.protocol_class_class", FT_UINT8, BASE_DEC, NULL, PROTOCOL_CLASS_MASK, "", HFILL } },
1551 { &hf_sequence_control, { "Sequence Control", "sua.sequence_control_sequence_control", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1552 { &hf_first_bit, { "First Segment Bit", "sua.segmentation_first_bit", FT_BOOLEAN, 8, TFS(&first_bit_value), FIRST_BIT_MASK, "", HFILL } },
1553 { &hf_number_of_remaining_segments, { "Number of Remaining Segments", "sua.segmentation_number_of_remaining_segments", FT_UINT8, BASE_DEC, NULL, NUMBER_OF_SEGMENTS_MASK, "", HFILL } },
1554 { &hf_segmentation_reference, { "Segmentation Reference", "sua.segmentation_reference", FT_UINT24, BASE_DEC, NULL, 0x0, "", HFILL } },
1555 { &hf_smi_reserved, { "Reserved", "sua.smi_reserved", FT_BYTES, BASE_DEC, NULL, 0x0, "", HFILL } },
1556 { &hf_smi, { "SMI", "sua.smi_smi", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1557 { &hf_tid_label_start, { "Start", "sua.tid_label_start", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1558 { &hf_tid_label_end, { "End", "sua.tid_label_end", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1559 { &hf_tid_label_value, { "Label Value", "sua.tid_label_value", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1560 { &hf_drn_label_start, { "Start", "sua.drn_label_start", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1561 { &hf_drn_label_end, { "End", "sua.drn_label_end", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1562 { &hf_drn_label_value, { "Label Value", "sua.drn_label_value", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL } },
1563 { &hf_number_of_digits, { "Number of Digits", "sua.global_title_number_of_digits", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1564 { &hf_translation_type, { "Translation Type", "sua.global_title_translation_type", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL } },
1565 { &hf_numbering_plan, { "Numbering Plan", "sua.global_title_numbering_plan", FT_UINT8, BASE_HEX, VALS(numbering_plan_values), 0x0, "", HFILL } },
1566 { &hf_nature_of_address, { "Nature of Address", "sua.global_title_nature_of_address", FT_UINT8, BASE_HEX, VALS(nature_of_address_values), 0x0, "", HFILL } },
1567 { &hf_nature_of_address, { "Nature Of Address", "sua.global_title_nature_of_address", FT_UINT8, BASE_HEX, VALS(nature_of_address_values), 0x0, "", HFILL } },
1568 { &hf_global_title, { "Global Title", "sua.global_title_signals", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1569 { &hf_point_code_dpc, { "Point Code", "sua.point_code", FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL } },
1570 { &hf_ssn_reserved, { "Reserved", "sua.ssn_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL } },
1571 { &hf_ssn_number, { "Subsystem Number", "sua.ssn_number", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL } },
1572 { &hf_ipv4, { "IP Version 4 address", "sua.ipv4_address", FT_IPv4, BASE_NONE, NULL, 0x0, "", HFILL } },
1573 { &hf_hostname, { "Hostname", "sua.hostname.name", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL } },
1574 { &hf_ipv6, { "IP Version 6 address", "sua.ipv6_address", FT_IPv6, BASE_NONE, NULL, 0x0, "", HFILL } },
1577 /* Setup protocol subtree array */
1578 static gint *ett[] = {
1581 &ett_sua_source_address_indicator,
1582 &ett_sua_destination_address_indicator,
1583 &ett_sua_affected_destination,
1584 &ett_sua_sequence_number_rec_number,
1585 &ett_sua_sequence_number_sent_number,
1586 &ett_sua_receive_sequence_number_number,
1587 &ett_sua_protcol_classes,
1588 &ett_sua_first_remaining,
1589 &ett_sua_return_on_error_bit_and_protocol_class
1591 module_t *sua_module;
1593 /* Register the protocol name and description */
1594 proto_sua = proto_register_protocol("SS7 SCCP-User Adaptation Layer", "SUA", "sua");
1596 /* Required function calls to register the header fields and subtrees used */
1597 proto_register_field_array(proto_sua, hf, array_length(hf));
1598 proto_register_subtree_array(ett, array_length(ett));
1600 sua_module = prefs_register_protocol(proto_sua, NULL);
1601 prefs_register_obsolete_preference(sua_module, "sua_version");
1605 proto_reg_handoff_sua(void)
1607 dissector_handle_t sua_handle;
1609 sua_handle = create_dissector_handle(dissect_sua, proto_sua);
1610 dissector_add("sctp.ppi", SUA_PAYLOAD_PROTOCOL_ID, sua_handle);
1611 dissector_add("sctp.port", SCTP_PORT_SUA, sua_handle);