3 * Extension of all V5.2-User Adaptation Layer dissection elements
11 * ISKRATEL d.o.o. | 4S d.o.o.
12 * http://www.iskratel.si/ | http://www.4es.si/
13 * <info@iskratel.si> | <projects@4es.si>
14 * Vladimir Smrekar <vladimir.smrekar@gmail.com>
16 * Routines for V5.2-User Adaptation Layer dissection
18 * Extension of ISDN Q.921-User Adaptation Layer dissection
19 * Copyright 2002, Michael Tuexen <Michael.Tuexen[AT]siemens.com>
21 * Christoph Neusch <christoph.neusch@nortelnetworks.com>
23 * Wireshark - Network traffic analyzer
24 * By Gerald Combs <gerald@wireshark.org>
25 * Copyright 1998 Gerald Combs
27 * This program is free software; you can redistribute it and/or
28 * modify it under the terms of the GNU General Public License
29 * as published by the Free Software Foundation; either version 2
30 * of the License, or (at your option) any later version.
32 * This program is distributed in the hope that it will be useful,
33 * but WITHOUT ANY WARRANTY; without even the implied warranty of
34 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
35 * GNU General Public License for more details.
37 * You should have received a copy of the GNU General Public License
38 * along with this program; if not, write to the Free Software
39 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
44 #include <epan/packet.h>
45 #include <epan/sctpppids.h> /* include V5UA payload protocol ID */
47 void proto_register_v5ua(void);
48 void proto_reg_handoff_v5ua(void);
50 static int paddingl = 0;
51 static int dlci_efa = -1;
53 /* Initialize the protocol and registered fields */
54 static int proto_v5ua = -1;
56 static dissector_handle_t q931_handle;
57 static dissector_handle_t v52_handle;
59 /* round up parameter length to multiple of four */
60 #define ADD_PADDING(x) ((((x) + 3) >> 2) << 2)
62 /* common msg-header */
63 static int hf_version = -1;
64 static int hf_reserved = -1;
65 static int hf_msg_class = -1;
66 static int hf_msg_type = -1;
67 /* static int hf_msg_type_id = -1; */
68 static int hf_msg_length = -1;
69 /* V5UA message header */
70 static int hf_link_id = -1;
71 static int hf_chnl_id = -1;
72 static int hf_adaptation_layer_id = -1;
73 static int hf_text_if_id = -1;
74 static int hf_scn_protocol_id = -1;
75 static int hf_info_string = -1;
76 static int hf_asp_identifier = -1;
77 static int hf_dlci_zero_bit = -1;
78 static int hf_dlci_spare_bit = -1;
79 static int hf_dlci_sapi = -1;
80 static int hf_dlci_one_bit = -1;
81 static int hf_dlci_tei = -1;
82 static int hf_efa = -1;
83 /* static int hf_spare_efa = -1; */
84 /* variable length parameter (msg) */
85 static int hf_parameter_tag = -1;
86 static int hf_parameter_tag_draft = -1;
87 static int hf_parameter_length = -1;
88 static int hf_parameter_value = -1;
89 static int hf_parameter_padding = -1;
91 /* parameter fields */
92 static int hf_link_status = -1;
93 static int hf_sa_bit_id = -1;
94 static int hf_sa_bit_value = -1;
95 static int hf_diagnostic_info = -1;
96 static int hf_if_range_start = -1;
97 static int hf_if_range_end = -1;
98 static int hf_heartbeat_data = -1;
99 static int hf_traffic_mode_type = -1;
100 static int hf_error_code = -1;
101 static int hf_draft_error_code = -1;
102 static int hf_status_type = -1;
103 static int hf_status_id = -1;
104 static int hf_error_reason = -1;
105 static int hf_asp_reason = -1;
106 static int hf_tei_status = -1;
107 static int hf_tei_draft_status = -1;
108 static int hf_release_reason = -1;
110 /* Initialize the subtree pointers */
111 static gint ett_v5ua = -1;
112 static gint ett_v5ua_common_header= -1;
113 static gint ett_v5ua_parameter = -1;
114 static gint ett_v5ua_layer3 = -1;
119 static int iua_version = RFC;
120 /* Variables necessary for dissection of draft messages */
121 static int msg_class = -1;
122 static int msg_type = -1;
123 static int msg_length = -1;
124 static int messageclassCopy = -1;
125 static int sa_bit_id = -1;
126 static int link_status_operational = -1;
128 /* Code to actually dissect the packets */
130 /* define the parameters for the Tags: Tag-Type,Tag-Length,Tag-Value (Payload) */
131 #define PARAMETER_TAG_OFFSET 0
132 #define PARAMETER_TAG_LENGTH 2
133 #define PARAMETER_LENGTH_OFFSET (PARAMETER_TAG_OFFSET + PARAMETER_TAG_LENGTH)
134 #define PARAMETER_LENGTH_LENGTH 2
135 #define PARAMETER_VALUE_OFFSET (PARAMETER_LENGTH_OFFSET + PARAMETER_LENGTH_LENGTH)
136 #define PARAMETER_HEADER_OFFSET PARAMETER_TAG_OFFSET
137 #define PARAMETER_HEADER_LENGTH (PARAMETER_TAG_LENGTH + PARAMETER_LENGTH_LENGTH)
140 /*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
142 /* define parameter for the format of the integer formatted Interface Identifier */
143 #define INT_IF_ID_LINK_OFFSET PARAMETER_VALUE_OFFSET
144 #define INT_IF_ID_LINK_LENGTH 4
145 #define INT_IF_ID_CHNL_OFFSET INT_IF_ID_LINK_OFFSET
146 #define INT_IF_ID_CHNL_LENGTH 1
147 #define INT_INTERFACE_ID_LENGTH 4
149 static int linkIdentifier = -1;
152 dissect_int_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
155 guint16 number_of_ids, id_number;
158 number_of_ids= (tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH) / INT_INTERFACE_ID_LENGTH;
160 offset = INT_IF_ID_LINK_OFFSET;
161 proto_item_append_text(parameter_item, "(");
162 for (id_number = 0; id_number < number_of_ids; id_number++) {
163 proto_tree_add_item(parameter_tree, hf_link_id, parameter_tvb, offset, INT_IF_ID_LINK_LENGTH, ENC_BIG_ENDIAN);
164 identifier = tvb_get_ntohl(parameter_tvb,offset)>>5;
166 proto_item_append_text(parameter_item, "L:%d",identifier);
168 proto_item_append_text(parameter_item, " | L:%d",identifier);
170 linkIdentifier = identifier;
172 proto_tree_add_item(parameter_tree, hf_chnl_id, parameter_tvb, offset+3, INT_IF_ID_CHNL_LENGTH, ENC_BIG_ENDIAN);
173 identifier = tvb_get_guint8(parameter_tvb,offset+3)&0x1f;
174 proto_item_append_text(parameter_item, " C:%d", identifier);
175 offset += INT_INTERFACE_ID_LENGTH;
177 proto_item_append_text(parameter_item, ")");
179 /*----------------------V5UA Interface Identifier (int) (Draft,RFC)------------*/
181 /*----------------------Text Interface Identifier (RFC)------------------------*/
183 #define TEXT_IF_ID_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
184 #define TEXT_IF_ID_VALUE_OFFSET PARAMETER_VALUE_OFFSET
185 #define TEXT_IF_ID_HEADER_LENGTH PARAMETER_HEADER_LENGTH
188 dissect_text_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
190 guint16 if_id_length;
192 if_id_length = tvb_get_ntohs(parameter_tvb, TEXT_IF_ID_LENGTH_OFFSET) - TEXT_IF_ID_HEADER_LENGTH;
194 proto_tree_add_item(parameter_tree, hf_text_if_id, parameter_tvb, TEXT_IF_ID_VALUE_OFFSET, if_id_length, ENC_ASCII|ENC_NA);
195 proto_item_append_text(parameter_item, " (0x%.*s)", if_id_length,
196 tvb_get_string_enc(wmem_packet_scope(), parameter_tvb, TEXT_IF_ID_VALUE_OFFSET, if_id_length, ENC_ASCII));
198 /*----------------------Text Interface Identifier (RFC)------------------------*/
200 /*----------------------DLCI & Envelope Function Address------------------------*/
203 /* interpretation of EFA-values */
204 static const value_string efa_values[] = {
205 { 8175, "ISDN Protocol" },
206 { 8176, "PSTN Protocol" },
207 { 8177, "CONTROL Protocol" },
208 { 8178, "BCC Protocol" },
209 { 8179, "PROT Protocol" },
210 { 8180, "Link Control Protocol" },
211 { 8191, "VALUE RESERVED" },
214 #define DLCI_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
215 #define DLCI_SAPI_OFFSET PARAMETER_VALUE_OFFSET
216 #define DLCI_HEADER_LENGTH PARAMETER_HEADER_LENGTH
218 #define DLCI_SAPI_LENGTH 1
219 #define DLCI_TEI_LENGTH 1
223 dissect_dlci_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item, packet_info *pinfo)
225 guint16 efa = 0, offset = 0;
231 if (iua_version == RFC) offset = DLCI_SAPI_OFFSET;
232 else if(iua_version == DRAFT) offset = DLCI_HEADER_LENGTH + tvb_get_ntohs(parameter_tvb, DLCI_LENGTH_OFFSET);
234 proto_tree_add_item(parameter_tree, hf_dlci_zero_bit, parameter_tvb, offset, DLCI_SAPI_LENGTH, ENC_BIG_ENDIAN);
235 proto_tree_add_item(parameter_tree, hf_dlci_spare_bit, parameter_tvb, offset, DLCI_SAPI_LENGTH, ENC_BIG_ENDIAN);
236 proto_tree_add_item(parameter_tree, hf_dlci_sapi, parameter_tvb, offset, DLCI_SAPI_LENGTH, ENC_BIG_ENDIAN);
238 offset += DLCI_SAPI_LENGTH;
239 proto_tree_add_item(parameter_tree, hf_dlci_one_bit, parameter_tvb, offset, DLCI_TEI_LENGTH, ENC_BIG_ENDIAN);
240 proto_tree_add_item(parameter_tree, hf_dlci_tei, parameter_tvb, offset, DLCI_TEI_LENGTH, ENC_BIG_ENDIAN);
242 sapi = tvb_get_ntohs(parameter_tvb, offset-DLCI_TEI_LENGTH-DLCI_SAPI_LENGTH)>>2;
243 tei = tvb_get_ntohs(parameter_tvb, offset-DLCI_TEI_LENGTH)>>1;
245 /* if SAPI & TEI not set to ZERO, value of EFA must be decode (EFA = 0 -> ISDN protocol)*/
246 if(tvb_get_ntohs(parameter_tvb,offset-DLCI_TEI_LENGTH) != 0x01){
248 offset += DLCI_TEI_LENGTH;
249 efa = tvb_get_ntohs(parameter_tvb, offset);
250 dlci_efa = tvb_get_ntohs(parameter_tvb, offset);
252 if (dlci_efa >= 0 && dlci_efa <= 8175) { col_append_fstr(pinfo->cinfo, COL_INFO, " | ISDN: %u", dlci_efa); }
253 else if (dlci_efa == 8176) { col_append_str(pinfo->cinfo, COL_INFO, " | PSTN"); }
254 else if (dlci_efa == 8177) { col_append_str(pinfo->cinfo, COL_INFO, " | Ctrl"); }
255 else if (dlci_efa == 8178) { col_append_str(pinfo->cinfo, COL_INFO, " | BCC"); }
256 else if (dlci_efa == 8179) { col_append_str(pinfo->cinfo, COL_INFO, " | ProtProt"); }
257 else if (dlci_efa == 8180) { col_append_str(pinfo->cinfo, COL_INFO, " | LinkCtrl"); }
260 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
262 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:ISDN (%u))",sapi,tei,efa);
264 else if (efa > 8175 && efa <= 8180){
265 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
266 "%s (%u)", val_to_str_const(efa, efa_values, "unknown EFA"),tvb_get_ntohs(parameter_tvb, offset));
267 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%s (%u))",sapi,tei,val_to_str_const(efa, efa_values, "unknown EFA-value"),efa);
270 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
271 "RESERVED (%u)", efa);
272 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:RESERVED (%u))",sapi,tei,efa);
275 /* if SAPI & TEI set to ZERO, EFA also shall be set to ZERO and didn't comply with value for ISDN protocol */
277 offset += DLCI_TEI_LENGTH;
278 efa = tvb_get_ntohs(parameter_tvb, offset);
279 dlci_efa = tvb_get_ntohs(parameter_tvb, offset);
281 if (dlci_efa >= 0 && dlci_efa <= 8175) { col_append_fstr(pinfo->cinfo, COL_INFO, " | ISDN: %u", dlci_efa); }
282 else if (dlci_efa == 8176) { col_append_str(pinfo->cinfo, COL_INFO, " | PSTN"); }
283 else if (dlci_efa == 8177) { col_append_str(pinfo->cinfo, COL_INFO, " | Ctrl"); }
284 else if (dlci_efa == 8178) { col_append_str(pinfo->cinfo, COL_INFO, " | BCC"); }
285 else if (dlci_efa == 8179) { col_append_str(pinfo->cinfo, COL_INFO, " | ProtProt"); }
286 else if (dlci_efa == 8180) { col_append_str(pinfo->cinfo, COL_INFO, " | LinkCtrl"); }
289 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
291 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:ISDN (%u))",sapi,tei,efa);
294 else if (efa > 8175 && efa <= 8180){
295 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
296 "%s (%u)", val_to_str_const(efa, efa_values, "unknown EFA"),tvb_get_ntohs(parameter_tvb, offset));
297 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:%s (%u))",sapi,tei,val_to_str_const(efa, efa_values, "unknown EFA-value"),efa);
301 proto_tree_add_uint_format_value(parameter_tree, hf_efa, parameter_tvb, offset, EFA_LENGTH, efa,
302 "RESERVED (%u)", efa);
303 proto_item_append_text(parameter_item, " (SAPI:%u TEI:%u EFA:RESERVED (%u))",sapi,tei,efa);
307 /*----------------------DLCI & Envelope Function Address------------------------*/
309 /*----------------------Error Indication (Draft)-------------------------------*/
311 /* define Error Code Parameter for Layer Management (MGMT) Messages */
312 #define MGMT_ERROR_INVALID_TEI_DRAFT 0x00
313 #define MGMT_ERROR_INVALID_IFID_DRAFT 0x01
314 #define MGMT_ERROR_UNDEFINIED_MSG_DRAFT 0x02
315 #define MGMT_ERROR_VERSION_ERR_DRAFT 0x03
316 #define MGMT_ERROR_INVALID_STID_DRAFT 0x04
317 #define MGMT_ERROR_INVALID_SCNV_DRAFT 0x05
318 #define MGMT_ERROR_INVALID_ALI_DRAFT 0x06
320 static const value_string draft_error_code_values[] = {
321 { MGMT_ERROR_INVALID_TEI_DRAFT, "Invalid TEI" },
322 { MGMT_ERROR_INVALID_IFID_DRAFT, "Invalid interface ID" },
323 { MGMT_ERROR_UNDEFINIED_MSG_DRAFT, "An unexpected message was received" },
324 { MGMT_ERROR_VERSION_ERR_DRAFT, "The IUA layers are of different version" },
325 { MGMT_ERROR_INVALID_STID_DRAFT, "Invalid SCTP stream identifier" },
326 { MGMT_ERROR_INVALID_SCNV_DRAFT, "Invalid SCN version" },
327 { MGMT_ERROR_INVALID_ALI_DRAFT, "Invalid Adaptation Layer Identifier" },
330 #define MGMT_ERROR_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
331 #define MGMT_ERROR_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
333 #define MGMT_ERROR_CODE_LENGTH 4
336 dissect_draft_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree)
338 guint16 offset = MGMT_ERROR_MSG_HEADER_LENGTH + tvb_get_ntohs(parameter_tvb, MGMT_ERROR_MSG_LENGTH_OFFSET) + 4;
339 proto_tree_add_item(parameter_tree, hf_draft_error_code, parameter_tvb, offset, MGMT_ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
340 offset += MGMT_ERROR_CODE_LENGTH ;
341 if( tvb_reported_length_remaining(parameter_tvb,offset) > 0 )
342 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, offset, msg_length - offset,ENC_ASCII|ENC_NA);
344 /*----------------------Error Indication (Draft)-------------------------------*/
346 /*----------------------Error Indication (RFC)---------------------------------*/
348 /* define Error Code Parameter for Layer Management (MGMT) Messages */
349 #define MGMT_ERROR_INVALID_VERSION 0x01
350 #define MGMT_ERROR_INVALID_IF_ID 0x02
351 #define MGMT_ERROR_UNSUPPORTED_MSG_CLASS 0x03
352 #define MGMT_ERROR_UNSUPPORTED_MSG_TYPE 0x04
353 #define MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE 0x05
354 #define MGMT_ERROR_UNEXPECTED_MSG 0x06
355 #define MGMT_ERROR_PROTOCOL_ERROR 0x07
356 #define MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE 0x08
357 #define MGMT_ERROR_INVALID_STREAM_ID 0x09
358 #define MGMT_ERROR_UNASSIGNED_TEI 0x0a
359 #define MGMT_ERROR_UNRECOGNIZED_SAPI 0x0b
360 #define MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION 0x0c
362 static const value_string error_code_values[] = {
363 { MGMT_ERROR_INVALID_VERSION, "Invalid version" },
364 { MGMT_ERROR_INVALID_IF_ID, "Invalid interface identifier" },
365 { MGMT_ERROR_UNSUPPORTED_MSG_CLASS, "Unsupported message class" },
366 { MGMT_ERROR_UNSUPPORTED_MSG_TYPE, "Unsupported message type" },
367 { MGMT_ERROR_UNSUPPORTED_TRAFFIC_HANDLING_MODE, "Unsupported traffic handling mode" },
368 { MGMT_ERROR_UNEXPECTED_MSG, "Unexpected message" },
369 { MGMT_ERROR_PROTOCOL_ERROR, "Protocol error" },
370 { MGMT_ERROR_UNSUPPORTED_IF_ID_TYPE, "Unsupported interface identifier type" },
371 { MGMT_ERROR_INVALID_STREAM_ID, "Invalid stream identifier" },
372 { MGMT_ERROR_UNASSIGNED_TEI, "Unassigned TEI" },
373 { MGMT_ERROR_UNRECOGNIZED_SAPI, "Unrecognized SAPI" },
374 { MGMT_ERROR_INVALID_TEI_SAPI_COMBINATION, "Invalid TEI/SAPI combination" },
377 #define MGMT_ERROR_CODE_OFFSET PARAMETER_VALUE_OFFSET
380 dissect_error_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
382 proto_tree_add_item(parameter_tree, hf_error_code, parameter_tvb, MGMT_ERROR_CODE_OFFSET, MGMT_ERROR_CODE_LENGTH, ENC_BIG_ENDIAN);
383 proto_item_append_text(parameter_item, " (%s)",
384 val_to_str_const(tvb_get_ntohl(parameter_tvb, MGMT_ERROR_CODE_OFFSET), error_code_values, "Unknown error code"));
388 dissect_diagnostic_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
390 guint16 diag_info_length;
392 diag_info_length = tvb_get_ntohs(parameter_tvb, MGMT_ERROR_MSG_LENGTH_OFFSET) - MGMT_ERROR_MSG_HEADER_LENGTH;
393 proto_tree_add_item(parameter_tree, hf_diagnostic_info, parameter_tvb, PARAMETER_VALUE_OFFSET, diag_info_length, ENC_NA);
394 proto_item_append_text(parameter_item, " (%u byte%s)", diag_info_length, plurality(diag_info_length, "", "s"));
396 /*----------------------Error Indication (RFC)---------------------------------*/
398 /*----------------------Notify (RFC)-------------------------------------------*/
400 /* define Status Type parameters for Notify (NTFY) Messages */
401 #define NTFY_STATUS_TYPE_AS_STATE_CHANGE 0x01
402 #define NTFY_STATUS_TYPE_OTHER 0x02
404 static const value_string status_type_values[] = {
405 { NTFY_STATUS_TYPE_AS_STATE_CHANGE, "Application server state change" },
406 { NTFY_STATUS_TYPE_OTHER, "Other" },
409 /* define Status Identification parameters for NTFY Messages (AS state change)*/
410 #define NTFY_STATUS_IDENT_AS_DOWN 0x01
411 #define NTFY_STATUS_IDENT_AS_INACTIVE 0x02
412 #define NTFY_STATUS_IDENT_AS_ACTIVE 0x03
413 #define NTFY_STATUS_IDENT_AS_PENDING 0x04
414 /* define Status Identification parameters for NTFY Messages (Other)*/
415 #define NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE 0x01
416 #define NTFY_STATUS_ALTERNATE_ASP_ACTIVE 0x02
418 static const value_string status_type_id_values[] = {
419 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_DOWN, "Application server down" },
420 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_INACTIVE, "Application server inactive" },
421 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_ACTIVE, "Application server active" },
422 { NTFY_STATUS_TYPE_AS_STATE_CHANGE * 256 * 256 + NTFY_STATUS_IDENT_AS_PENDING, "Application server pending" },
423 { NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_INSUFFICIENT_ASP_RES_ACTIVE, "Insufficient ASP resources active in AS" },
424 { NTFY_STATUS_TYPE_OTHER * 256 * 256 + NTFY_STATUS_ALTERNATE_ASP_ACTIVE, "Alternate ASP active" },
427 #define NTFY_STATUS_TYPE_OFFSET PARAMETER_VALUE_OFFSET
428 #define NTFY_STATUS_TYPE_LENGTH 2
429 #define NTFY_STATUS_IDENT_OFFSET (NTFY_STATUS_TYPE_OFFSET + NTFY_STATUS_TYPE_LENGTH)
430 #define NTFY_STATUS_IDENT_LENGTH 2
433 dissect_status_type_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
435 guint16 status_type, status_id;
437 status_type = tvb_get_ntohs(parameter_tvb, NTFY_STATUS_TYPE_OFFSET);
438 status_id = tvb_get_ntohs(parameter_tvb, NTFY_STATUS_IDENT_OFFSET);
440 proto_tree_add_item(parameter_tree, hf_status_type, parameter_tvb, NTFY_STATUS_TYPE_OFFSET, NTFY_STATUS_TYPE_LENGTH, ENC_BIG_ENDIAN);
441 proto_tree_add_uint_format_value(parameter_tree, hf_status_id, parameter_tvb, NTFY_STATUS_IDENT_OFFSET, NTFY_STATUS_IDENT_LENGTH,
442 status_id, "%u (%s)", status_id,
443 val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "unknown"));
445 proto_item_append_text(parameter_item, " (%s)",
446 val_to_str_const(status_type * 256 * 256 + status_id, status_type_id_values, "Unknown status information"));
448 /*----------------------Notify (RFC)-------------------------------------------*/
450 /*----------------------TEI Status Indication,Confirm (RFC)--------------------*/
452 /* define parameters for TEI Status (Indication,Confirm) Messages */
453 #define TEI_STATUS_ASSIGNED 0x0
454 #define TEI_STATUS_UNASSIGNED 0x1
456 static const value_string tei_status_values[] = {
457 { TEI_STATUS_ASSIGNED, "TEI is considered assigned by Q.921" },
458 { TEI_STATUS_UNASSIGNED, "TEI is considered unassigned by Q.921" },
461 #define TEI_STATUS_OFFSET PARAMETER_VALUE_OFFSET
462 #define TEI_STATUS_LENGTH 4
465 dissect_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
467 proto_tree_add_item(parameter_tree, hf_tei_status, parameter_tvb, TEI_STATUS_OFFSET, TEI_STATUS_LENGTH, ENC_BIG_ENDIAN);
468 proto_item_append_text(parameter_item, " (%s)",
469 val_to_str_const(tvb_get_ntohl(parameter_tvb, TEI_STATUS_OFFSET), tei_status_values, "Unknown TEI status"));
471 /*----------------------TEI Status (RFC)---------------------------------------*/
473 /*----------------------TEI Status Indication,Confirm (Draft)------------------*/
474 #define TEI_DRAFT_IN_SERVICE 0x0
475 #define TEI_DRAFT_OUT_OF_SERVICE 0x1
477 static const value_string tei_draft_status_values[] = {
478 { TEI_DRAFT_IN_SERVICE, "TEI is in service" },
479 { TEI_DRAFT_OUT_OF_SERVICE,"TEI is out of service" },
482 #define TEI_STATUS_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
485 dissect_draft_tei_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
488 offset = tvb_get_ntohs(parameter_tvb, TEI_STATUS_LENGTH_OFFSET) + 8;
489 if(tvb_reported_length_remaining(parameter_tvb, offset) > 0 ){
490 proto_tree_add_item(parameter_tree, hf_tei_draft_status, parameter_tvb, offset, TEI_STATUS_LENGTH, ENC_BIG_ENDIAN);
491 proto_item_append_text(parameter_item, " (%s)",
492 val_to_str_const(tvb_get_ntohl(parameter_tvb, offset), tei_draft_status_values, "Unknown TEI Status"));
495 /*----------------------TEI Status (Draft)-------------------------------------*/
497 /*----------------------ASP Up,Down,Active,Inactive (Draft)--------------------*/
500 dissect_asp_msg_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
502 guint16 adaptation_layer_id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
504 proto_tree_add_item(parameter_tree, hf_adaptation_layer_id, parameter_tvb, PARAMETER_VALUE_OFFSET, adaptation_layer_id_length, ENC_ASCII|ENC_NA);
505 proto_item_append_text(parameter_item, " (%.*s)", adaptation_layer_id_length,
506 tvb_get_string_enc(wmem_packet_scope(), parameter_tvb, PARAMETER_VALUE_OFFSET, adaptation_layer_id_length, ENC_ASCII));
510 dissect_scn_protocol_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
512 guint16 id_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
513 proto_tree_add_item(parameter_tree, hf_scn_protocol_id, parameter_tvb, PARAMETER_VALUE_OFFSET, id_length, ENC_ASCII|ENC_NA);
514 proto_item_append_text(parameter_item, " (%.*s)", id_length,
515 tvb_get_string_enc(wmem_packet_scope(), parameter_tvb, PARAMETER_VALUE_OFFSET, id_length, ENC_ASCII));
518 /*----------------------ASP (Draft)--------------------------------------------*/
520 /*----------------------ASP Down + Ack (RFC)--------------------------------*/
521 /* define reason parameter for Application Server Process Maintenance (ASPM) Messages */
522 #define ASP_REASON_MGMT 1
524 static const value_string asp_reason_values[] = {
525 { ASP_REASON_MGMT, "Management inhibit" },
528 #define ASP_REASON_OFFSET PARAMETER_VALUE_OFFSET
529 #define ASP_REASON_LENGTH 4
532 dissect_asp_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
534 proto_tree_add_item(parameter_tree, hf_asp_reason, parameter_tvb, ASP_REASON_OFFSET, ASP_REASON_LENGTH, ENC_BIG_ENDIAN);
535 proto_item_append_text(parameter_item, " (%s)", val_to_str_const(tvb_get_ntohl(parameter_tvb, ASP_REASON_OFFSET), asp_reason_values, "Unknown ASP down reason"));
539 /*----------------------ASP (RFC)----------------------------------------------*/
541 /*----------------------Heartbeat Data + Ack (RFC)-----------------------------*/
543 #define HEARTBEAT_MSG_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
544 #define HEARTBEAT_DATA_OFFSET PARAMETER_VALUE_OFFSET
545 #define HEARTBEAT_MSG_HEADER_LENGTH PARAMETER_HEADER_LENGTH
548 dissect_heartbeat_data_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
550 guint16 heartbeat_data_length;
552 heartbeat_data_length = tvb_get_ntohs(parameter_tvb, HEARTBEAT_MSG_LENGTH_OFFSET) - HEARTBEAT_MSG_HEADER_LENGTH;
553 proto_tree_add_item(parameter_tree, hf_heartbeat_data, parameter_tvb, HEARTBEAT_DATA_OFFSET, heartbeat_data_length, ENC_NA);
554 proto_item_append_text(parameter_item, " (%u byte%s)", heartbeat_data_length, plurality(heartbeat_data_length, "", "s"));
556 /*----------------------Heartbeat Data (RFC)-----------------------------------*/
559 /*----------------------ASP Active,Inactive + Ack (RFC)------------------------*/
560 #define OVER_RIDE_TRAFFIC_MODE_TYPE 1
561 #define LOAD_SHARE_TRAFFIC_MODE_TYPE 2
563 static const value_string traffic_mode_type_values[] = {
564 { OVER_RIDE_TRAFFIC_MODE_TYPE, "Over-ride" },
565 { LOAD_SHARE_TRAFFIC_MODE_TYPE, "Load-share" },
568 #define TRAFFIC_MODE_TYPE_LENGTH 4
569 #define TRAFFIC_MODE_TYPE_OFFSET PARAMETER_VALUE_OFFSET
572 dissect_traffic_mode_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
574 proto_tree_add_item(parameter_tree, hf_traffic_mode_type, parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET, TRAFFIC_MODE_TYPE_LENGTH, ENC_BIG_ENDIAN);
575 proto_item_append_text(parameter_item, " (%s)",
576 val_to_str_const(tvb_get_ntohl(parameter_tvb, TRAFFIC_MODE_TYPE_OFFSET), traffic_mode_type_values, "Unknown traffic mode type"));
579 #define INT_RANGE_START_OFFSET PARAMETER_VALUE_OFFSET
580 #define INT_RANGE_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
581 #define INT_RANGE_HEADER_LENGTH PARAMETER_HEADER_LENGTH
583 #define IF_ID_START_OFFSET 0
584 #define IF_ID_START_LENGTH 4
585 #define IF_ID_END_OFFSET (IF_ID_START_OFFSET + IF_ID_START_LENGTH)
586 #define IF_ID_END_LENGTH 4
587 #define IF_ID_INTERVAL_LENGTH (IF_ID_START_LENGTH + IF_ID_END_LENGTH)
591 dissect_integer_range_interface_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
593 guint16 number_of_ranges, range_number, offset;
595 number_of_ranges = (tvb_get_ntohs(parameter_tvb, INT_RANGE_LENGTH_OFFSET) - INT_RANGE_HEADER_LENGTH) / IF_ID_INTERVAL_LENGTH;
596 offset = INT_RANGE_START_OFFSET;
597 for(range_number = 0; range_number < number_of_ranges; range_number++) {
598 proto_tree_add_item(parameter_tree, hf_if_range_start, parameter_tvb, offset + IF_ID_START_OFFSET, IF_ID_START_LENGTH, ENC_BIG_ENDIAN);
599 proto_tree_add_item(parameter_tree, hf_if_range_end, parameter_tvb, offset + IF_ID_END_OFFSET, IF_ID_END_LENGTH, ENC_BIG_ENDIAN);
600 offset += IF_ID_INTERVAL_LENGTH;
603 proto_item_append_text(parameter_item, " (%u range%s)", number_of_ranges, plurality(number_of_ranges, "", "s"));
605 /*----------------------ASP Active,Inactive (RFC)------------------------------*/
607 /*----------------------Data Request,Indication (Draft,RFC)--------------------*/
609 #define DISCRIMINATOR_OFFSET 0
610 #define DISCRIMINATOR_LENGTH 1
611 #define ADDRESS_OFFSET 1
612 #define ADDRESS_LENGTH 1
613 #define LOW_ADDRESS_OFFSET 2
614 #define LOW_ADDRESS_LENGTH 1
616 #define ALL_ADDRESS_OFFSET 1
617 #define ALL_ADDRESS_LENGTH 2
619 #define MSG_TYPE_OFFSET 3
620 #define MSG_TYPE_LENGTH 1
621 #define MSG_HEADER_LENGTH 4
622 #define INFO_ELEMENT_OFFSET 4
623 #define INFO_ELEMENT_LENGTH 1
626 dissect_layer3_message(tvbuff_t *layer3_data_tvb, proto_tree *v5ua_tree,proto_item *parameter_item, packet_info *pinfo)
628 guint16 discriminator_offset;
630 if(iua_version == DRAFT){
631 discriminator_offset = DISCRIMINATOR_OFFSET;
634 discriminator_offset = DISCRIMINATOR_OFFSET + PARAMETER_HEADER_LENGTH;
637 if (tvb_get_guint8(layer3_data_tvb, discriminator_offset) == 0x48){
638 guint16 protocol_data_length;
639 tvbuff_t *protocol_data_tvb;
641 protocol_data_length = tvb_get_ntohs(layer3_data_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
642 protocol_data_tvb = tvb_new_subset_length(layer3_data_tvb, PARAMETER_VALUE_OFFSET, protocol_data_length);
644 call_dissector(v52_handle, protocol_data_tvb, pinfo, v5ua_tree);
646 proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
650 guint16 protocol_data_length;
651 tvbuff_t *protocol_data_tvb;
653 protocol_data_length = tvb_get_ntohs(layer3_data_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
654 protocol_data_tvb = tvb_new_subset_length(layer3_data_tvb, PARAMETER_VALUE_OFFSET, protocol_data_length);
655 call_dissector(q931_handle, protocol_data_tvb, pinfo, v5ua_tree);
657 proto_item_append_text(parameter_item, " (%u byte%s)", protocol_data_length, plurality(protocol_data_length, "", "s"));
661 /*----------------------Data Request,Indication (Draft,RFC)------------------------*/
663 /*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
665 * no additional parameter
667 /*----------------------Establish Request,Confirm,Indication (Draft,RFC)-------*/
669 /*----------------------Release Indication, Request (Draft,RFC)----------------*/
671 /* define parameters for Release Request and Indication Messages */
672 #define RELEASE_MGMT 0x0
673 #define RELEASE_PHYS 0x1
674 #define RELEASE_DM 0x2
675 #define RELEASE_OTHER 0x3
677 static const value_string release_reason_values[] = {
678 { RELEASE_MGMT, "Management layer generated release" },
679 { RELEASE_PHYS, "Physical layer alarm generated release" },
680 { RELEASE_DM, "Specific to a request" },
681 { RELEASE_OTHER, "Other reason" },
684 #define RELEASE_REASON_LENGTH_OFFSET PARAMETER_LENGTH_OFFSET
685 #define RELEASE_REASON_OFFSET PARAMETER_VALUE_OFFSET
686 #define RELEASE_REASON_LENGTH 4
689 dissect_release_reason_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
691 gint offset = RELEASE_REASON_OFFSET;
692 if(iua_version == DRAFT) offset = tvb_get_ntohs(parameter_tvb, RELEASE_REASON_LENGTH_OFFSET)+8;
693 proto_tree_add_item(parameter_tree, hf_release_reason, parameter_tvb, offset, RELEASE_REASON_LENGTH, ENC_BIG_ENDIAN);
694 if(iua_version != DRAFT)
695 proto_item_append_text(parameter_item, " (%s)",
696 val_to_str_const(tvb_get_ntohl(parameter_tvb, offset), release_reason_values, "Unknown release reason"));
698 /*----------------------Release Indication,Request (Draft,RFC)-----------------*/
700 /*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
702 * No additional Parameter
704 /*----------------------Link Status Start,Stop Report (Draft,RFC)--------------*/
706 /*----------------------Link Status Indication (Draft,RFC)---------------------*/
708 /* define parameters for Link Status Indication */
709 #define LINK_STATUS_OPERTIONAL 0x0
710 #define LINK_STATUS_NON_OPERTIONAL 0x1
712 static const value_string link_status_values[] = {
713 { LINK_STATUS_OPERTIONAL, "Link operational" },
714 { LINK_STATUS_NON_OPERTIONAL, "Link not operational" },
717 #define LINK_STATUS_OFFSET PARAMETER_VALUE_OFFSET
718 #define LINK_STATUS_LENGTH 4
721 dissect_link_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
723 proto_tree_add_item(parameter_tree, hf_link_status, parameter_tvb, LINK_STATUS_OFFSET, LINK_STATUS_LENGTH, ENC_BIG_ENDIAN);
724 proto_item_append_text(parameter_item, " (%s)",
725 val_to_str_const(tvb_get_ntohl(parameter_tvb, LINK_STATUS_OFFSET),link_status_values, "Unknown Link status"));
727 link_status_operational = tvb_get_ntohl(parameter_tvb, LINK_STATUS_OFFSET);
729 /*----------------------Link Status Indication (Draft,RFC)---------------------*/
731 /*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
733 /* define parameter for sa-bit message */
734 #define SA_BIT_ID_ZERO 0x0
735 #define SA_BIT_ID_ONE 0x1
736 #define SA_BIT_VALUE_SA7 0x7
738 static const value_string sa_bit_values[] = {
739 { SA_BIT_ID_ZERO, "set value ZERO" },
740 { SA_BIT_ID_ONE, "set value ONE" },
741 { SA_BIT_VALUE_SA7, "Addresses the Sa7 Bit" },
744 #define SA_BIT_ID_OFFSET PARAMETER_VALUE_OFFSET
745 #define SA_BIT_ID_LENGTH 2
746 #define SA_BIT_VALUE_OFFSET (SA_BIT_ID_OFFSET + SA_BIT_ID_LENGTH)
747 #define SA_BIT_VALUE_LENGTH 2
750 dissect_sa_bit_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
752 proto_tree_add_item(parameter_tree, hf_sa_bit_id, parameter_tvb, SA_BIT_ID_OFFSET, SA_BIT_ID_LENGTH, ENC_BIG_ENDIAN);
753 proto_tree_add_item(parameter_tree, hf_sa_bit_value, parameter_tvb, SA_BIT_VALUE_OFFSET, SA_BIT_VALUE_LENGTH, ENC_BIG_ENDIAN);
754 proto_item_append_text(parameter_item, " (%s %s)",
755 val_to_str_const(tvb_get_ntohs(parameter_tvb, SA_BIT_ID_OFFSET), sa_bit_values, "unknown"),
756 val_to_str_const(tvb_get_ntohs(parameter_tvb, SA_BIT_VALUE_OFFSET), sa_bit_values, "unknown Bit"));
758 sa_bit_id = tvb_get_ntohs(parameter_tvb, SA_BIT_VALUE_OFFSET);
760 /*----------------------Sa-Bit (Draft,RFC)-------------------------------------*/
762 /*----------------------Error Indication (RFC)---------------------------------*/
764 #define ERROR_REASON_OVERLOAD 0x1
766 static const value_string error_reason_values[] = {
767 { ERROR_REASON_OVERLOAD, "C-Channel is in overload state" },
770 #define ERROR_REASON_LENGTH 4
771 #define ERROR_REASON_OFFSET PARAMETER_VALUE_OFFSET
774 dissect_error_indication_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
776 proto_tree_add_item(parameter_tree, hf_error_reason, parameter_tvb, ERROR_REASON_OFFSET, ERROR_REASON_LENGTH, ENC_BIG_ENDIAN);
777 proto_item_append_text(parameter_item, " (%s)",
778 val_to_str_const(tvb_get_ntohl(parameter_tvb, ERROR_REASON_OFFSET), error_reason_values, "unknown"));
780 /*----------------------Error Indication (RFC)---------------------------------*/
782 /*--------------------------ASP identifier-------------------------------------*/
783 #define ASP_IDENTIFIER_LENGTH 4
784 #define ASP_IDENTIFIER_OFFSET PARAMETER_VALUE_OFFSET
787 dissect_asp_identifier_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
789 proto_tree_add_item(parameter_tree, hf_asp_identifier, parameter_tvb, ASP_IDENTIFIER_OFFSET, ASP_IDENTIFIER_LENGTH, ENC_BIG_ENDIAN);
790 proto_item_append_text(parameter_item, " (%d) ",tvb_get_ntohl(parameter_tvb,ASP_IDENTIFIER_OFFSET));
792 /*--------------------------ASP identifier-------------------------------------*/
794 #define INFO_STRING_OFFSET PARAMETER_VALUE_OFFSET
797 dissect_info_string_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
799 guint16 info_string_length;
801 info_string_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
802 if(iua_version == DRAFT) info_string_length += 4;
803 if(info_string_length > 4){
804 info_string_length -= PARAMETER_HEADER_LENGTH;
805 proto_tree_add_item(parameter_tree, hf_info_string, parameter_tvb, INFO_STRING_OFFSET, info_string_length, ENC_ASCII|ENC_NA);
806 proto_item_append_text(parameter_item, " (%.*s)", info_string_length,
807 tvb_get_string_enc(wmem_packet_scope(), parameter_tvb, INFO_STRING_OFFSET, info_string_length, ENC_ASCII));
813 dissect_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
816 guint16 parameter_value_length;
818 parameter_value_length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) - PARAMETER_HEADER_LENGTH;
819 if (parameter_value_length > 0)
820 proto_tree_add_item(parameter_tree, hf_parameter_value, parameter_tvb, PARAMETER_VALUE_OFFSET, parameter_value_length, ENC_NA);
822 proto_item_append_text(parameter_item, " with tag %u and %u byte%s value",
823 tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET), parameter_value_length, plurality(parameter_value_length, "", "s"));
826 #define Reserved_TAG 0x00
827 #define INT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x01
828 #define ASP_MSG_PARAMETER_TAG 0x02
829 #define TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x03
830 #define INFO_PARAMETER_TAG 0x04
831 #define DLCI_PARAMETER_TAG 0x81
832 #define DIAGNOSTIC_INFORMATION_PARAMETER_TAG 0x07
833 #define INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG 0x08
834 #define HEARTBEAT_DATA_PARAMETER_TAG 0x09
835 #define ASP_DOWN_REASON_PARAMETER_TAG 0x0a
836 #define TRAFFIC_MODE_TYPE_PARAMETER_TAG 0x0b
837 #define ERROR_CODE_PARAMETER_TAG 0x0c
838 #define STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG 0x0d
839 #define PROTOCOL_DATA_PARAMETER_TAG 0x0e
840 #define RELEASE_REASON_PARAMETER_TAG 0x0f
841 #define TEI_STATUS_PARAMETER_TAG 0x10
842 #define ASP_IDENTIFIER_PARAMETER_TAG 0x11
843 #define NOT_USED_IN_IUA_PARAMETER_TAG 0x12
844 #define LINK_STATUS_PARAMETER_TAG 0x82
845 #define SA_BIT_STATUS_PARAMETER_TAG 0x83
846 #define ERROR_INDICATION_PARAMETER_TAG 0x84
848 static const value_string parameter_tag_values[] = {
849 { Reserved_TAG, "Reserved" },
850 { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier (integer)" },
851 { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier (text)" },
852 { INFO_PARAMETER_TAG, "Info string" },
853 { DLCI_PARAMETER_TAG, "DLCI" },
854 { DIAGNOSTIC_INFORMATION_PARAMETER_TAG, "Diagnostic information" },
855 { INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG, "Interface Identifier Range" },
856 { HEARTBEAT_DATA_PARAMETER_TAG, "Hearbeat data" },
857 { ASP_DOWN_REASON_PARAMETER_TAG, "ASP DOWN Reason" },
858 { TRAFFIC_MODE_TYPE_PARAMETER_TAG, "Traffic mode type" },
859 { ERROR_CODE_PARAMETER_TAG, "Error code" },
860 { STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG, "Status type/identification" },
861 { PROTOCOL_DATA_PARAMETER_TAG, "Protocol Data" },
862 { RELEASE_REASON_PARAMETER_TAG, "Release Reason" },
863 { TEI_STATUS_PARAMETER_TAG, "TEI status" },
864 { ASP_IDENTIFIER_PARAMETER_TAG, "ASP Identifier" },
865 { NOT_USED_IN_IUA_PARAMETER_TAG, "Not used in IUA" },
866 { LINK_STATUS_PARAMETER_TAG, "Link status" },
867 { SA_BIT_STATUS_PARAMETER_TAG, "SA-Bit status" },
868 { ERROR_INDICATION_PARAMETER_TAG, "Error reason" },
871 static const value_string parameter_tag_draft_values[] = {
872 { INT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "V5UA Interface Identifier (int)" },
873 { ASP_MSG_PARAMETER_TAG, "ASP Adaption Layer ID" },
874 { TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG, "SCN Protocol Identifier" },
875 { INFO_PARAMETER_TAG, "Info" },
876 { PROTOCOL_DATA_PARAMETER_TAG, "Protocol Data" },
877 { LINK_STATUS_PARAMETER_TAG, "Link status" },
878 { SA_BIT_STATUS_PARAMETER_TAG, "SA-Bit status" },
879 { ERROR_INDICATION_PARAMETER_TAG, "Error reason" },
883 dissect_parameter(tvbuff_t *parameter_tvb, packet_info *pinfo, proto_tree *v5ua_tree)
885 guint16 tag, length, padding_length;
886 proto_item *parameter_item;
887 proto_tree *parameter_tree;
889 /* extract tag and length from the parameter */
890 tag = tvb_get_ntohs(parameter_tvb, PARAMETER_TAG_OFFSET);
891 length = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET);
892 /* on IUA-Draft messages the message length not including the message header */
893 if((iua_version==DRAFT)&&(tag<=0x4)){
894 /* at V5UA Header, length of header and length of DLCI+EFA must be added */
895 if(tag==0x1) length += 8;
896 /* at ASP message tags only length of header must be added */
897 else if(tag<=0x4) length += PARAMETER_HEADER_LENGTH;
898 /* for following message-tags are no length information available. Only in common msg header */
899 if((msg_class==0 || msg_class==1 || msg_class==9) && msg_type<=10)
902 padding_length = tvb_reported_length(parameter_tvb) - length;
903 paddingl = padding_length;
905 /* create proto_tree stuff */
908 parameter_tree = proto_tree_add_subtree(v5ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1, ett_v5ua_parameter, ¶meter_item,
909 val_to_str_const(tag, parameter_tag_values, "Unknown parameter"));
910 /* add tag to the v5ua tree */
911 proto_tree_add_item(parameter_tree, hf_parameter_tag, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
915 parameter_tree = proto_tree_add_subtree(v5ua_tree, parameter_tvb, PARAMETER_HEADER_OFFSET, -1, ett_v5ua_parameter, ¶meter_item,
916 val_to_str_const(tag, parameter_tag_draft_values, "Unknown parameter"));
918 /* add tag to the v5ua tree */
919 proto_tree_add_item(parameter_tree, hf_parameter_tag_draft, parameter_tvb, PARAMETER_TAG_OFFSET, PARAMETER_TAG_LENGTH, ENC_BIG_ENDIAN);
923 /* add length to the v5ua tree */
924 proto_tree_add_item(parameter_tree, hf_parameter_length, parameter_tvb, PARAMETER_LENGTH_OFFSET, PARAMETER_LENGTH_LENGTH, ENC_BIG_ENDIAN);
927 case INT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
928 if(iua_version == RFC) dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
929 if(iua_version == DRAFT){
930 dissect_int_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
931 dissect_dlci_parameter(parameter_tvb, parameter_tree, parameter_item, pinfo);
933 /* for the following parameters no tag- and length-informations available. Parameters must be dissect with info from common msg header */
934 if(msg_class==0 && msg_type==0) dissect_draft_error_code_parameter(parameter_tvb, parameter_tree);
935 if(msg_class==1) dissect_draft_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
937 if(msg_type==1||msg_type==2||msg_type==3||msg_type==4){
938 guint16 length_2, offset;
939 tvbuff_t *layer3_data_tvb;
940 offset = tvb_get_ntohs(parameter_tvb, PARAMETER_LENGTH_OFFSET) + 8;
941 length_2 = msg_length - offset;
943 if(tvb_get_guint8(parameter_tvb, offset) == 0x48){
944 layer3_data_tvb = tvb_new_subset_length(parameter_tvb, offset, length_2);
945 dissect_layer3_message(layer3_data_tvb, v5ua_tree, parameter_item, pinfo);
949 else if(msg_type==8||msg_type==10) dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
953 case ASP_MSG_PARAMETER_TAG:
954 dissect_asp_msg_parameter(parameter_tvb, parameter_tree, parameter_item);
956 case TEXT_INTERFACE_IDENTIFIER_PARAMETER_TAG:
957 if(iua_version == RFC)
958 dissect_text_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
959 if(iua_version == DRAFT)
960 dissect_scn_protocol_id_parameter(parameter_tvb, parameter_tree, parameter_item);
962 case INFO_PARAMETER_TAG:
963 dissect_info_string_parameter(parameter_tvb, parameter_tree, parameter_item);
965 case DLCI_PARAMETER_TAG:
966 dissect_dlci_parameter(parameter_tvb, parameter_tree, parameter_item, pinfo);
968 case DIAGNOSTIC_INFORMATION_PARAMETER_TAG:
969 dissect_diagnostic_information_parameter(parameter_tvb, parameter_tree, parameter_item);
971 case INTEGER_RANGE_INTERFACE_IDENTIFIER_PARAMETER_TAG:
972 dissect_integer_range_interface_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
974 case HEARTBEAT_DATA_PARAMETER_TAG:
975 dissect_heartbeat_data_parameter(parameter_tvb, parameter_tree, parameter_item);
977 case ASP_DOWN_REASON_PARAMETER_TAG:
978 dissect_asp_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
980 case TRAFFIC_MODE_TYPE_PARAMETER_TAG:
981 dissect_traffic_mode_type_parameter(parameter_tvb, parameter_tree, parameter_item);
983 case ERROR_CODE_PARAMETER_TAG:
984 dissect_error_code_parameter(parameter_tvb, parameter_tree, parameter_item);
986 case STATUS_TYPE_INDENTIFICATION_PARAMETER_TAG:
987 dissect_status_type_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
989 case PROTOCOL_DATA_PARAMETER_TAG:
990 dissect_layer3_message(parameter_tvb, v5ua_tree, parameter_item, pinfo);
992 case RELEASE_REASON_PARAMETER_TAG:
993 dissect_release_reason_parameter(parameter_tvb, parameter_tree, parameter_item);
995 case TEI_STATUS_PARAMETER_TAG:
996 dissect_tei_status_parameter(parameter_tvb, parameter_tree, parameter_item);
998 case ASP_IDENTIFIER_PARAMETER_TAG:
999 dissect_asp_identifier_parameter(parameter_tvb, parameter_tree, parameter_item);
1001 case LINK_STATUS_PARAMETER_TAG:
1002 dissect_link_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1004 case SA_BIT_STATUS_PARAMETER_TAG:
1005 dissect_sa_bit_status_parameter(parameter_tvb, parameter_tree, parameter_item);
1007 case ERROR_INDICATION_PARAMETER_TAG:
1008 dissect_error_indication_parameter( parameter_tvb, parameter_tree, parameter_item);
1011 dissect_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
1015 if (padding_length > 0){
1016 proto_tree_add_item(parameter_tree, hf_parameter_padding, parameter_tvb, PARAMETER_HEADER_OFFSET + length, padding_length, ENC_NA);
1019 /* dissect the V5UA-Parameters into subsets which are separated by Tag-Length-Header and call up the dissector for the subsets */
1021 dissect_parameters(tvbuff_t *parameters_tvb, packet_info *pinfo, proto_tree *tree _U_, proto_tree *v5ua_tree)
1023 gint tag, offset, length, total_length, remaining_length;
1024 tvbuff_t *parameter_tvb;
1028 while((remaining_length = tvb_reported_length_remaining(parameters_tvb, offset))) {
1029 tag = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_TAG_OFFSET);
1030 length = tvb_get_ntohs(parameters_tvb, offset + PARAMETER_LENGTH_OFFSET);
1031 if(iua_version==DRAFT){
1032 if(tag==0x1) length += 8; /* V5UA Header */
1033 else if(tag<=0x4) length += PARAMETER_HEADER_LENGTH; /* ASP MSGs */
1035 /* add the parameters which are not separated by tag-length-header to the V5UA header */
1036 if((msg_class==0 || msg_class==1 || msg_class==9)&&msg_type<=10)
1037 length = msg_length;
1039 total_length = ADD_PADDING(length);
1040 if (remaining_length >= length)
1041 total_length = MIN(total_length, remaining_length);
1042 /* create a tvb for the parameter including the padding bytes */
1043 parameter_tvb = tvb_new_subset_length(parameters_tvb, offset, total_length);
1044 dissect_parameter(parameter_tvb, pinfo, v5ua_tree);
1045 /* get rid of the handled parameter */
1046 offset += total_length;
1051 /* define the common header fields of V5UA MSG */
1052 #define COMMON_HEADER_VERSION_LENGTH 1
1053 #define COMMON_HEADER_RESERVED_LENGTH 1
1054 #define COMMON_HEADER_MSG_CLASS_LENGTH 1
1055 #define COMMON_HEADER_MSG_TYPE_LENGTH 1
1056 #define COMMON_HEADER_MSG_LENGTH_LENGTH 4
1057 #define COMMON_HEADER_LENGTH (COMMON_HEADER_VERSION_LENGTH + COMMON_HEADER_RESERVED_LENGTH +\
1058 COMMON_HEADER_MSG_CLASS_LENGTH + COMMON_HEADER_MSG_TYPE_LENGTH +\
1059 COMMON_HEADER_MSG_LENGTH_LENGTH)
1061 /* define the offsets of common header */
1062 #define COMMON_HEADER_OFFSET 0
1063 #define COMMON_HEADER_VERSION_OFFSET COMMON_HEADER_OFFSET
1064 #define COMMON_HEADER_RESERVED_OFFSET (COMMON_HEADER_VERSION_OFFSET + COMMON_HEADER_VERSION_LENGTH)
1065 #define COMMON_HEADER_MSG_CLASS_OFFSET (COMMON_HEADER_RESERVED_OFFSET + COMMON_HEADER_RESERVED_LENGTH)
1066 #define COMMON_HEADER_MSG_TYPE_OFFSET (COMMON_HEADER_MSG_CLASS_OFFSET + COMMON_HEADER_MSG_CLASS_LENGTH)
1067 #define COMMON_HEADER_MSG_LENGTH_OFFSET (COMMON_HEADER_MSG_TYPE_OFFSET + COMMON_HEADER_MSG_TYPE_LENGTH)
1068 #define COMMON_HEADER_PARAMETERS_OFFSET (COMMON_HEADER_OFFSET + COMMON_HEADER_LENGTH)
1070 /* version of V5UA protocol */
1071 #define V5UA_PROTOCOL_VERSION_RELEASE_1 1
1073 static const value_string v5ua_protocol_version_values[] = {
1074 { V5UA_PROTOCOL_VERSION_RELEASE_1, "Release 1.0" },
1077 /* define V5UA MSGs */
1078 #define MSG_CLASS_MGMT_MSG 0
1079 #define MSG_CLASS_MGMT_MSG_DRAFT 1
1080 #define MSG_CLASS_ASPSM_MSG 3
1081 #define MSG_CLASS_ASPTM_MSG 4
1082 #define MSG_CLASS_V5PTM_MSG_DRAFT 9
1083 #define MSG_CLASS_V5PTM_MSG 14
1085 static const value_string msg_class_values[] = {
1086 { MSG_CLASS_MGMT_MSG, "Management Messages" },
1087 { MSG_CLASS_MGMT_MSG_DRAFT,"Management Messages"},
1088 { MSG_CLASS_ASPSM_MSG, "ASP State Maintenance Message" },
1089 { MSG_CLASS_ASPTM_MSG, "ASP Traffic Maintenance Message" },
1090 { MSG_CLASS_V5PTM_MSG_DRAFT, "V5 Boundary Primitives Transport Message" },
1091 { MSG_CLASS_V5PTM_MSG, "V5 Boundary Primitives Transport Message" },
1094 /* message types for MGMT messages */
1095 #define MGMT_MSG_TYPE_ERR 0
1096 #define MGMT_MSG_TYPE_NTFY 1
1097 #define MGMT_MSG_TYPE_TEI_STATUS_REQ 2
1098 #define MGMT_MSG_TYPE_TEI_STATUS_CON 3
1099 #define MGMT_MSG_TYPE_TEI_STATUS_IND 4
1100 #define MGMT_MSG_TYPE_TEI_QUERY_REQUEST5 5
1101 #define MGMT_MSG_TYPE_TEI_QUERY_REQUEST 8
1104 /* MGMT messages for Nortel draft version*/
1105 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ 1
1106 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON 2
1107 #define MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND 3
1108 #define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5 5
1109 #define MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST 8
1112 /* message types for ASPSM messages */
1113 #define ASPSM_MSG_TYPE_Reserved 0
1114 #define ASPSM_MSG_TYPE_UP 1
1115 #define ASPSM_MSG_TYPE_DOWN 2
1116 #define ASPSM_MSG_TYPE_BEAT 3
1117 #define ASPSM_MSG_TYPE_UP_ACK 4
1118 #define ASPSM_MSG_TYPE_DOWN_ACK 5
1119 #define ASPSM_MSG_TYPE_BEAT_ACK 6
1121 /* message types for ASPTM messages */
1122 #define ASPTM_MSG_TYPE_Reserved 0
1123 #define ASPTM_MSG_TYPE_ACTIVE 1
1124 #define ASPTM_MSG_TYPE_INACTIVE 2
1125 #define ASPTM_MSG_TYPE_ACTIVE_ACK 3
1126 #define ASPTM_MSG_TYPE_INACTIVE_ACK 4
1128 /* message types for V5PTM messages */
1129 #define V5PTM_MSG_TYPE_Reserved 0
1130 #define V5PTM_MSG_TYPE_DATA_REQUEST 1
1131 #define V5PTM_MSG_TYPE_DATA_INDICATION 2
1132 #define V5PTM_MSG_TYPE_UNIT_DATA_REQUEST 3
1133 #define V5PTM_MSG_TYPE_UNIT_DATA_INDICATION 4
1134 #define V5PTM_MSG_TYPE_ESTABLISH_REQUEST 5
1135 #define V5PTM_MSG_TYPE_ESTABLISH_CONFIRM 6
1136 #define V5PTM_MSG_TYPE_ESTABLISH_INDICATION 7
1137 #define V5PTM_MSG_TYPE_RELEASE_REQUEST 8
1138 #define V5PTM_MSG_TYPE_RELEASE_CONFIRM 9
1139 #define V5PTM_MSG_TYPE_RELEASE_INDICATION 10
1140 #define V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING 11
1141 #define V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING 12
1142 #define V5PTM_MSG_TYPE_LINK_STATUS_INDICATION 13
1143 #define V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST 14
1144 #define V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM 15
1145 #define V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST 16
1146 #define V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION 17
1147 #define V5PTM_MSG_TYPE_ERROR_INDICATION 18
1149 #define MGMT_MSG_TYPE_TEI_STATUS_REQUEST5 5
1150 #define MGMT_MSG_TYPE_TEI_STATUS_REQUEST 8
1152 static const value_string msg_class_type_values[] = {
1153 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR, "Error" },
1154 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY, "Notify" },
1155 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ, "TEI status request" },
1156 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
1157 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND, "TEI status indication" },
1158 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1159 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1161 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ, "TEI status request" },
1162 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON, "TEI status confimation" },
1163 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND, "TEI status indication" },
1164 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1165 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1168 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved, "Reserved" },
1169 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP, "ASP up" },
1170 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN, "ASP down" },
1171 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT, "Heartbeat" },
1172 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK, "ASP up ack" },
1173 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK, "ASP down ack" },
1174 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK, "Heartbeat ack" },
1176 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , "Reserved" },
1177 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , "ASP active" },
1178 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , "ASP inactive" },
1179 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , "ASP active ack" },
1180 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , "ASP inactive ack" },
1182 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1183 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1184 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1185 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1186 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1187 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1188 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1189 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1190 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1191 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1192 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1193 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1194 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1195 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1196 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1197 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1198 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1199 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1200 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1202 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1203 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1204 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1205 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1206 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1207 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1208 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1209 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1210 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1211 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1212 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1213 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1214 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1215 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1216 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1217 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1218 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1219 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1220 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1224 static const value_string msg_class_type_values_short[] = {
1225 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_ERR, "Error" },
1226 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_NTFY, "Notify" },
1227 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_REQ, "TEI status request" },
1228 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_CON, "TEI status confirmation" },
1229 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_STATUS_IND, "TEI status indication" },
1230 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1231 { MSG_CLASS_MGMT_MSG * 256 + MGMT_MSG_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1233 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_REQ, "TEI status request" },
1234 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_CON, "TEI status confimation" },
1235 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_STATUS_IND, "TEI status indication" },
1236 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST, "TEI query request" },
1237 { MSG_CLASS_MGMT_MSG_DRAFT * 256 + MGMT_MSG_DRAFT_TYPE_TEI_QUERY_REQUEST5, "TEI query request" },
1240 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_Reserved, "Reserved" },
1241 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP, "ASP up" },
1242 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN, "ASP down" },
1243 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT, "Heartbeat" },
1244 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_UP_ACK, "ASP up ack" },
1245 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_DOWN_ACK, "ASP down ack" },
1246 { MSG_CLASS_ASPSM_MSG * 256 + ASPSM_MSG_TYPE_BEAT_ACK, "Heartbeat ack" },
1248 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_Reserved , "Reserved" },
1249 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE , "ASP active" },
1250 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE , "ASP inactive" },
1251 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_ACTIVE_ACK , "ASP active ack" },
1252 { MSG_CLASS_ASPTM_MSG * 256 + ASPTM_MSG_TYPE_INACTIVE_ACK , "ASP inactive ack" },
1254 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1255 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data request" },
1256 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data indication" },
1257 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "Unit data request" },
1258 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "Unit data indication" },
1259 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Establish request" },
1260 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Establish confirmation" },
1261 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Establish indication" },
1262 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Release request" },
1263 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Release confirmation" },
1264 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Release indication" },
1265 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link status start reporting" },
1266 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link status stop reporting" },
1267 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link status indication" },
1268 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit set request" },
1269 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set confirm" },
1270 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit status request" },
1271 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit status indication" },
1272 { MSG_CLASS_V5PTM_MSG_DRAFT * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error indication" },
1275 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_Reserved, "Reserved" },
1276 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_REQUEST, "Data Req" },
1277 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_DATA_INDICATION, "Data Ind" },
1278 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_REQUEST, "U Data Req" },
1279 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_UNIT_DATA_INDICATION, "U Data Ind" },
1280 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_REQUEST, "Est Req" },
1281 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_CONFIRM, "Est Conf" },
1282 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ESTABLISH_INDICATION, "Est Ind" },
1283 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_REQUEST, "Rel Req" },
1284 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_CONFIRM, "Rel Con" },
1285 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_RELEASE_INDICATION, "Rel Ind" },
1286 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_START_REPORTING,"Link Status Start Rep" },
1287 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_STOP_REPORTING, "Link Status Stop Rep" },
1288 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_LINK_STATUS_INDICATION, "Link Status Ind" },
1289 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_REQUEST, "Sa-Bit Set Req" },
1290 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_SET_CONFIRM, "Sa-Bit set Conf" },
1291 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_REQUEST, "Sa-Bit Status Req" },
1292 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_SA_BIT_STATUS_INDICATION, "Sa-Bit Status Ind" },
1293 { MSG_CLASS_V5PTM_MSG * 256 + V5PTM_MSG_TYPE_ERROR_INDICATION, "Error Ind" },
1298 dissect_common_header(tvbuff_t *common_header_tvb, packet_info *pinfo, proto_tree *v5ua_tree)
1300 proto_item *common_header_item;
1301 proto_tree *common_header_tree;
1303 guint8 message_class, message_type;
1305 message_class = tvb_get_guint8(common_header_tvb, COMMON_HEADER_MSG_CLASS_OFFSET);
1306 message_type = tvb_get_guint8(common_header_tvb, COMMON_HEADER_MSG_TYPE_OFFSET);
1308 /* Add message type into info column */
1309 col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(message_class * 256 + message_type, msg_class_type_values_short, "UNKNOWN"));
1314 /* create proto_tree stuff */
1315 common_header_tree = proto_tree_add_subtree(v5ua_tree, common_header_tvb, COMMON_HEADER_OFFSET, -1,
1316 ett_v5ua_common_header, &common_header_item, "Common Msg-Header");
1318 /* add the components of the common header to the protocol tree */
1319 proto_tree_add_item(common_header_tree, hf_version, common_header_tvb, COMMON_HEADER_VERSION_OFFSET, COMMON_HEADER_VERSION_LENGTH, ENC_BIG_ENDIAN);
1320 proto_tree_add_item(common_header_tree, hf_reserved, common_header_tvb, COMMON_HEADER_RESERVED_OFFSET, COMMON_HEADER_RESERVED_LENGTH, ENC_BIG_ENDIAN);
1321 proto_tree_add_item(common_header_tree, hf_msg_class, common_header_tvb, COMMON_HEADER_MSG_CLASS_OFFSET, COMMON_HEADER_MSG_CLASS_LENGTH, ENC_BIG_ENDIAN);
1322 proto_tree_add_uint_format_value(common_header_tree, hf_msg_type,
1323 common_header_tvb, COMMON_HEADER_MSG_TYPE_OFFSET, COMMON_HEADER_MSG_TYPE_LENGTH,
1324 message_type, "%s ( %u )",
1325 val_to_str_const(message_class * 256 + message_type, msg_class_type_values, "reserved"), message_type);
1326 proto_tree_add_item(common_header_tree, hf_msg_length, common_header_tvb, COMMON_HEADER_MSG_LENGTH_OFFSET, COMMON_HEADER_MSG_LENGTH_LENGTH, ENC_BIG_ENDIAN);
1328 /* Add message type to the Common Msg-Header line */
1329 proto_item_append_text(common_header_item, " (%s)",val_to_str_const(message_class * 256 + message_type, msg_class_type_values, "Unknown Msg-Type"));
1330 messageclassCopy = message_class;
1333 /* the following info are required to dissect IUA-Draft messages.
1334 In the DRAFT-Specification V5UA-Parameters are not separated by Tag-Length-Header (as defined in RFC-Spec) */
1335 if (iua_version == DRAFT){
1336 msg_class = message_class;
1337 msg_type = message_type;
1338 msg_length = tvb_get_ntohl (common_header_tvb, COMMON_HEADER_MSG_LENGTH_OFFSET);
1342 /* dissect the V5UA-packet in two subsets: Common Msg-Header (used by all msgs) and V5UA-parameter */
1344 dissect_v5ua_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *v5ua_tree)
1346 tvbuff_t *common_header_tvb, *parameters_tvb;
1348 common_header_tvb = tvb_new_subset_length(tvb, COMMON_HEADER_OFFSET, COMMON_HEADER_LENGTH);
1349 dissect_common_header(common_header_tvb, pinfo, v5ua_tree);
1351 parameters_tvb = tvb_new_subset_remaining(tvb, COMMON_HEADER_LENGTH);
1352 dissect_parameters(parameters_tvb, pinfo, tree, v5ua_tree);
1353 if (dlci_efa >= 0 && dlci_efa <= 8175) {
1354 if ((messageclassCopy == 0) || (messageclassCopy == 3) || (messageclassCopy == 4)) {
1355 messageclassCopy = -1;
1358 col_append_str(pinfo->cinfo, COL_INFO, " | ");
1359 col_append_fstr(pinfo->cinfo, COL_INFO, "LinkId: %u", linkIdentifier);
1363 if (sa_bit_id > -1) {
1364 col_append_str(pinfo->cinfo, COL_INFO, " | ");
1365 col_append_fstr(pinfo->cinfo, COL_INFO, "SA7bit: %u", sa_bit_id);
1369 if (link_status_operational > -1) {
1370 if (link_status_operational == 0) {
1371 col_append_str(pinfo->cinfo, COL_INFO, " | operational");
1373 else if (link_status_operational == 1) {
1374 col_append_str(pinfo->cinfo, COL_INFO, " | non-operational");
1376 link_status_operational = -1;
1382 dissect_v5ua(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
1385 gint offset, remaining_length, length, tag, one_bit;
1388 /* Set up structures needed to add the protocol subtree and manage it */
1389 proto_tree *v5ua_tree;
1392 /* Make entries in Protocol column and Info column on summary display */
1393 col_set_str(pinfo->cinfo, COL_PROTOCOL, "V5UA");
1395 col_clear(pinfo->cinfo, COL_INFO);
1397 /* create display subtree for the protocol */
1398 ti = proto_tree_add_item(tree, proto_v5ua, tvb, 0, -1, ENC_NA);
1399 v5ua_tree = proto_item_add_subtree(ti, ett_v5ua);
1405 /* detect version of IUA */
1407 offset = COMMON_HEADER_LENGTH;
1409 remaining_length = tvb_reported_length_remaining(tvb, offset);
1411 while(remaining_length) {
1412 tag = tvb_get_ntohs(tvb, offset);
1413 /*0x01,0x03: Inerface Id (draft&RFC)*/
1415 length = tvb_get_ntohs(tvb, offset+2);
1416 tag = tvb_get_ntohs(tvb, offset+length);
1417 /* tag 0x5 indicates the DLCI in the V5UA-Header accoriding to RFC spec */
1419 remaining_length = FALSE;
1422 one_bit = tvb_get_guint8(tvb, offset+4+length+1);
1423 /* no indication from DLCI by tag (in the V5UA-Header according DRAFT).
1424 Thus the ONE-Bit within DLCI have to compare */
1425 if((one_bit & 0x01) == 0x01){
1426 iua_version = DRAFT;
1427 remaining_length = FALSE;
1429 /* an indication to incorrect bit in DLCI.
1430 Must be include to decode an incorrect implemented message on Nortels PVG*/
1432 proto_item_append_text(v5ua_tree, " !! DLCI INCORRECT !!");
1434 iua_version = DRAFT;
1435 remaining_length = FALSE;
1439 /*0x02: AL Id (draft) following after common msg header without V5UA header*/
1441 iua_version = DRAFT;
1442 remaining_length = FALSE;
1444 /*0x03: Text formatted IId SHALL not be supported by draft*/
1447 remaining_length = FALSE;
1450 remaining_length = FALSE;
1452 /*ASP, Notify and Error messages (RFC) only contain common msg header followed by parameter*/
1453 else if(tag==0x04 || tag == 0x0a || tag == 0x0b || tag == 0x0c || tag == 0x0d){
1454 remaining_length = FALSE;
1458 remaining_length = tvb_reported_length_remaining(tvb, offset);
1460 /* add a notice for the draft version */
1461 if(iua_version == DRAFT){
1462 col_set_str(pinfo->cinfo, COL_PROTOCOL, "V5UA (draft)");
1466 /* dissect the message */
1467 dissect_v5ua_message(tvb, pinfo, tree, v5ua_tree);
1471 /* Register the protocol with Wireshark */
1473 /* this format is require because a script is used to build the C function
1474 that calls all the protocol registration. */
1477 proto_register_v5ua(void)
1480 /* Setup list of header fields */
1481 static hf_register_info hf[] = {
1483 { "Version", "v5ua.version",
1484 FT_UINT8, BASE_DEC, VALS(v5ua_protocol_version_values), 0x0,
1487 { "Reserved", "v5ua.reserved",
1488 FT_UINT8, BASE_HEX, NULL, 0x0,
1491 { "Message class", "v5ua.msg_class",
1492 FT_UINT8, BASE_DEC, VALS(msg_class_values), 0x0,
1495 { "Message Type", "v5ua.msg_type",
1496 FT_UINT8, BASE_DEC, NULL, 0x0,
1500 { "Message Type ID", "v5ua.msg_type_id",
1501 FT_UINT8, BASE_DEC, VALS(msg_class_type_values), 0x0,
1505 { "Message length", "v5ua.msg_length",
1506 FT_UINT32, BASE_DEC, NULL, 0x0,
1509 { "Link Identifier", "v5ua.link_id",
1510 FT_UINT32, BASE_DEC, NULL, 0xffffffe0,
1513 { "Channel Identifier", "v5ua.channel_id",
1514 FT_UINT8, BASE_DEC, NULL, 0x1f,
1517 { &hf_adaptation_layer_id,
1518 { "Adaptation Layer ID", "v5ua.adaptation_layer_id",
1519 FT_STRING, BASE_NONE,NULL, 0x0,
1522 { "Text interface identifier","v5ua.text_interface_id",
1523 FT_STRING, BASE_NONE,NULL, 0x0,
1525 { &hf_scn_protocol_id,
1526 { "SCN Protocol Identifier","v5ua.scn_protocol_id",
1527 FT_STRING, BASE_NONE,NULL, 0x0,
1530 { "Info String", "v5ua.info_string",
1531 FT_STRING, BASE_NONE,NULL, 0x0,
1533 { &hf_asp_identifier,
1534 { "ASP Identifier", "v5ua.asp_identifier",
1535 FT_UINT32, BASE_HEX, NULL, 0x0,
1537 { &hf_dlci_zero_bit,
1538 { "Zero bit", "v5ua.dlci_zero_bit",
1539 FT_BOOLEAN, 8, NULL, 0x01,
1541 { &hf_dlci_spare_bit,
1542 { "Spare bit", "v5ua.dlci_spare_bit",
1543 FT_BOOLEAN, 8, NULL, 0x02,
1546 { "SAPI", "v5ua.dlci_sapi",
1547 FT_UINT8, BASE_HEX, NULL, 0xfc,
1550 { "One bit", "v5ua.dlci_one_bit",
1551 FT_BOOLEAN, 8, NULL, 0x01,
1554 { "TEI", "v5ua.dlci_tei",
1555 FT_UINT8, BASE_HEX, NULL, 0xfe,
1558 { "Envelope Function Address","v5ua.efa",
1559 FT_UINT16, BASE_DEC, VALS(efa_values), 0x0,
1563 { "Envelope Function Address (spare)","v5ua.efa",
1564 FT_UINT16, BASE_DEC, NULL, ~7,
1568 { "Reason", "v5ua.asp_reason",
1569 FT_UINT32, BASE_HEX, VALS(asp_reason_values), 0x0,
1571 { &hf_release_reason,
1572 { "Release Reason", "v5ua.release_reason",
1573 FT_UINT32, BASE_HEX, VALS(release_reason_values), 0x0,
1576 { "TEI status", "v5ua.tei_status",
1577 FT_UINT32, BASE_HEX, VALS(tei_status_values), 0x0,
1579 { &hf_tei_draft_status,
1580 { "TEI status", "v5ua.tei_draft_status",
1581 FT_UINT32, BASE_HEX, VALS(tei_draft_status_values), 0x0,
1584 { "Link Status", "v5ua.link_status",
1585 FT_UINT32, BASE_HEX, VALS(link_status_values), 0x0,
1588 { "BIT ID", "v5ua.sa_bit_id",
1589 FT_UINT16, BASE_HEX, VALS(sa_bit_values), 0x0,
1592 { "Bit Value", "v5ua.sa_bit_value",
1593 FT_UINT16, BASE_HEX, VALS(sa_bit_values), 0x0,
1595 { &hf_parameter_tag,
1596 { "Parameter Tag", "v5ua.parameter_tag",
1597 FT_UINT16, BASE_HEX, VALS(parameter_tag_values), 0x0,
1599 { &hf_parameter_tag_draft,
1600 { "Parameter Tag", "v5ua.parameter_tag",
1601 FT_UINT16, BASE_HEX, VALS(parameter_tag_draft_values), 0x0,
1603 { &hf_parameter_length,
1604 { "Parameter length", "v5ua.parameter_length",
1605 FT_UINT16, BASE_DEC, NULL, 0x0,
1607 { &hf_parameter_value,
1608 { "Parameter value", "v5ua.parameter_value",
1609 FT_BYTES, BASE_NONE,NULL, 0x0,
1611 { &hf_parameter_padding,
1612 { "Parameter padding", "v5ua.parameter_padding",
1613 FT_BYTES, BASE_NONE,NULL, 0x0,
1615 { &hf_diagnostic_info,
1616 { "Diagnostic Information", "v5ua.diagnostic_info",
1617 FT_BYTES, BASE_NONE,NULL, 0x0,
1619 { &hf_if_range_start,
1620 { "Interface range Start", "v5ua.interface_range_start",
1621 FT_UINT32, BASE_HEX, NULL, 0x0,
1624 { "Interface range End", "v5ua.interface_range_end",
1625 FT_UINT32, BASE_HEX, NULL, 0x0,
1627 { &hf_heartbeat_data,
1628 { "Heartbeat data", "v5ua.heartbeat_data",
1629 FT_BYTES, BASE_NONE,NULL, 0x0,
1631 { &hf_traffic_mode_type,
1632 { "Traffic mode type", "v5ua.traffic_mode_type",
1633 FT_UINT32, BASE_HEX, VALS(traffic_mode_type_values), 0x0,
1636 { "Error code", "v5ua.error_code",
1637 FT_UINT32, BASE_HEX, VALS(error_code_values), 0x0,
1639 { &hf_draft_error_code,
1640 { "Error code (draft)", "v5ua.draft_error_code",
1641 FT_UINT32, BASE_HEX, VALS(draft_error_code_values), 0x0,
1644 { "Status type", "v5ua.status_type",
1645 FT_UINT16, BASE_DEC, VALS(status_type_values), 0x0,
1648 { "Status identification", "v5ua.status_id",
1649 FT_UINT16, BASE_DEC, NULL, 0x0,
1652 { "Error Reason", "v5ua.error_reason",
1653 FT_UINT32, BASE_HEX, VALS(error_reason_values), 0x0,
1657 /* Setup protocol subtree array */
1658 static gint *ett[] = {
1660 &ett_v5ua_common_header,
1661 &ett_v5ua_parameter,
1665 /* Register the protocol name and description */
1666 proto_v5ua = proto_register_protocol("V5.2-User Adaptation Layer", "V5UA", "v5ua");
1668 /* Required function calls to register the header fields and subtrees used */
1669 proto_register_field_array(proto_v5ua, hf, array_length(hf));
1670 proto_register_subtree_array(ett, array_length(ett));
1674 /* In RFC specification the SCTP registered User Port Number Assignment for V5UA is 5675 */
1675 #define SCTP_PORT_V5UA_RFC 5675
1676 #define SCTP_PORT_V5UA_DRAFT 10001
1679 proto_reg_handoff_v5ua(void)
1681 dissector_handle_t v5ua_handle;
1683 v5ua_handle = create_dissector_handle(dissect_v5ua, proto_v5ua);
1684 q931_handle = find_dissector("q931");
1685 v52_handle = find_dissector("v52");
1687 dissector_add_uint("sctp.port", SCTP_PORT_V5UA_DRAFT, v5ua_handle);
1688 dissector_add_uint("sctp.port", SCTP_PORT_V5UA_RFC, v5ua_handle);
1689 dissector_add_uint("sctp.ppi", V5UA_PAYLOAD_PROTOCOL_ID, v5ua_handle);
1693 * Editor modelines - http://www.wireshark.org/tools/modelines.html
1698 * indent-tabs-mode: nil
1701 * vi: set shiftwidth=4 tabstop=8 expandtab:
1702 * :indentSize=4:tabSize=8:noTabs=true: