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[tcpdump] / print-lmp.c
1 /*
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that: (1) source code
4 * distributions retain the above copyright notice and this paragraph
5 * in its entirety, and (2) distributions including binary code include
6 * the above copyright notice and this paragraph in its entirety in
7 * the documentation or other materials provided with the distribution.
8 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
9 * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
10 * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
11 * FOR A PARTICULAR PURPOSE.
12 *
13 * Support for the Link Management Protocol as per rfc 4204.
14 *
15 * Original code by Hannes Gredler (hannes@juniper.net)
16 * Support for LMP service discovery extensions (defined by UNI 1.0) added
17 * by Manu Pathak (mapathak@cisco.com), May 2005
18 */
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include <netdissect-stdinc.h>
25
26 #include "netdissect.h"
27 #include "extract.h"
28 #include "addrtoname.h"
29 #include "gmpls.h"
30
31 /*
32 * LMP common header
33 *
34 * 0 1 2 3
35 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
36 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
37 * | Vers | (Reserved) | Flags | Msg Type |
38 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
39 * | LMP Length | (Reserved) |
40 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
41 */
42
43 struct lmp_common_header {
44 uint8_t version_res[2];
45 uint8_t flags;
46 uint8_t msg_type;
47 uint8_t length[2];
48 uint8_t reserved[2];
49 };
50
51 #define LMP_VERSION 1
52 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
53
54 static const struct tok lmp_header_flag_values[] = {
55 { 0x01, "Control Channel Down"},
56 { 0x02, "LMP restart"},
57 { 0, NULL}
58 };
59
60 static const struct tok lmp_obj_te_link_flag_values[] = {
61 { 0x01, "Fault Management Supported"},
62 { 0x02, "Link Verification Supported"},
63 { 0, NULL}
64 };
65
66 static const struct tok lmp_obj_data_link_flag_values[] = {
67 { 0x01, "Data Link Port"},
68 { 0x02, "Allocated for user traffic"},
69 { 0x04, "Failed link"},
70 { 0, NULL}
71 };
72
73 static const struct tok lmp_obj_channel_status_values[] = {
74 { 1, "Signal Okay"},
75 { 2, "Signal Degraded"},
76 { 3, "Signal Fail"},
77 { 0, NULL}
78 };
79
80 static const struct tok lmp_obj_begin_verify_flag_values[] = {
81 { 0x0001, "Verify all links"},
82 { 0x0002, "Data link type"},
83 { 0, NULL}
84 };
85
86 static const struct tok lmp_obj_begin_verify_error_values[] = {
87 { 0x01, "Link Verification Procedure Not supported"},
88 { 0x02, "Unwilling to verify"},
89 { 0x04, "Unsupported verification transport mechanism"},
90 { 0x08, "Link-Id configuration error"},
91 { 0x10, "Unknown object c-type"},
92 { 0, NULL}
93 };
94
95 static const struct tok lmp_obj_link_summary_error_values[] = {
96 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
97 { 0x02, "Renegotiate LINK-SUMMARY parameters"},
98 { 0x04, "Invalid TE-LINK Object"},
99 { 0x08, "Invalid DATA-LINK Object"},
100 { 0x10, "Unknown TE-LINK Object c-type"},
101 { 0x20, "Unknown DATA-LINK Object c-type"},
102 { 0, NULL}
103 };
104
105 /* Service Config Supported Protocols Flags */
106 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
107 { 0x01, "RSVP Supported"},
108 { 0x02, "LDP Supported"},
109 { 0, NULL}
110 };
111
112 /* Service Config Client Port Service Attribute Transparency Flags */
113 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
114 { 0x01, "Path/VC Overhead Transparency Supported"},
115 { 0x02, "Line/MS Overhead Transparency Supported"},
116 { 0x04, "Section/RS Overhead Transparency Supported"},
117 { 0, NULL}
118 };
119
120 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
121 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
122 { 0x01, "Contiguous Concatenation Types Supported"},
123 { 0, NULL}
124 };
125
126 /* Service Config Network Service Attributes Transparency Flags */
127 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
128 { 0x01, "Standard SOH/RSOH Transparency Supported"},
129 { 0x02, "Standard LOH/MSOH Transparency Supported"},
130 { 0, NULL}
131 };
132
133 /* Service Config Network Service Attributes TCM Monitoring Flags */
134 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
135 { 0x01, "Transparent Tandem Connection Monitoring Supported"},
136 { 0, NULL}
137 };
138
139 /* Network Service Attributes Network Diversity Flags */
140 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
141 { 0x01, "Node Diversity Supported"},
142 { 0x02, "Link Diversity Supported"},
143 { 0x04, "SRLG Diversity Supported"},
144 { 0, NULL}
145 };
146
147 #define LMP_MSGTYPE_CONFIG 1
148 #define LMP_MSGTYPE_CONFIG_ACK 2
149 #define LMP_MSGTYPE_CONFIG_NACK 3
150 #define LMP_MSGTYPE_HELLO 4
151 #define LMP_MSGTYPE_VERIFY_BEGIN 5
152 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6
153 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7
154 #define LMP_MSGTYPE_VERIFY_END 8
155 #define LMP_MSGTYPE_VERIFY_END_ACK 9
156 #define LMP_MSGTYPE_TEST 10
157 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11
158 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12
159 #define LMP_MSGTYPE_TEST_STATUS_ACK 13
160 #define LMP_MSGTYPE_LINK_SUMMARY 14
161 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15
162 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16
163 #define LMP_MSGTYPE_CHANNEL_STATUS 17
164 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18
165 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19
166 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20
167 /* LMP Service Discovery message types defined by UNI 1.0 */
168 #define LMP_MSGTYPE_SERVICE_CONFIG 50
169 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51
170 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52
171
172 static const struct tok lmp_msg_type_values[] = {
173 { LMP_MSGTYPE_CONFIG, "Config"},
174 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
175 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
176 { LMP_MSGTYPE_HELLO, "Hello"},
177 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
178 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
179 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
180 { LMP_MSGTYPE_VERIFY_END, "End Verify"},
181 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
182 { LMP_MSGTYPE_TEST, "Test"},
183 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
184 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
185 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
186 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
187 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
188 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
189 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
190 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
191 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
192 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
193 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
194 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
195 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
196 { 0, NULL}
197 };
198
199 /*
200 * LMP object header
201 *
202 * 0 1 2 3
203 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
204 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
205 * |N| C-Type | Class | Length |
206 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
207 * | |
208 * // (object contents) //
209 * | |
210 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
211 */
212
213 struct lmp_object_header {
214 uint8_t ctype;
215 uint8_t class_num;
216 uint8_t length[2];
217 };
218
219 #define LMP_OBJ_CC_ID 1
220 #define LMP_OBJ_NODE_ID 2
221 #define LMP_OBJ_LINK_ID 3
222 #define LMP_OBJ_INTERFACE_ID 4
223 #define LMP_OBJ_MESSAGE_ID 5
224 #define LMP_OBJ_CONFIG 6
225 #define LMP_OBJ_HELLO 7
226 #define LMP_OBJ_VERIFY_BEGIN 8
227 #define LMP_OBJ_VERIFY_BEGIN_ACK 9
228 #define LMP_OBJ_VERIFY_ID 10
229 #define LMP_OBJ_TE_LINK 11
230 #define LMP_OBJ_DATA_LINK 12
231 #define LMP_OBJ_CHANNEL_STATUS 13
232 #define LMP_OBJ_CHANNEL_STATUS_REQ 14
233 #define LMP_OBJ_ERROR_CODE 20
234
235 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */
236
237 static const struct tok lmp_obj_values[] = {
238 { LMP_OBJ_CC_ID, "Control Channel ID" },
239 { LMP_OBJ_NODE_ID, "Node ID" },
240 { LMP_OBJ_LINK_ID, "Link ID" },
241 { LMP_OBJ_INTERFACE_ID, "Interface ID" },
242 { LMP_OBJ_MESSAGE_ID, "Message ID" },
243 { LMP_OBJ_CONFIG, "Configuration" },
244 { LMP_OBJ_HELLO, "Hello" },
245 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
246 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
247 { LMP_OBJ_VERIFY_ID, "Verify ID" },
248 { LMP_OBJ_TE_LINK, "TE Link" },
249 { LMP_OBJ_DATA_LINK, "Data Link" },
250 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
251 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
252 { LMP_OBJ_ERROR_CODE, "Error Code" },
253 { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
254
255 { 0, NULL}
256 };
257
258 #define INT_SWITCHING_TYPE_SUBOBJ 1
259 #define WAVELENGTH_SUBOBJ 2
260
261 static const struct tok lmp_data_link_subobj[] = {
262 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
263 { WAVELENGTH_SUBOBJ , "Wavelength" },
264 { 0, NULL}
265 };
266
267 #define LMP_CTYPE_IPV4 1
268 #define LMP_CTYPE_IPV6 2
269
270 #define LMP_CTYPE_LOC 1
271 #define LMP_CTYPE_RMT 2
272 #define LMP_CTYPE_UNMD 3
273
274 #define LMP_CTYPE_IPV4_LOC 1
275 #define LMP_CTYPE_IPV4_RMT 2
276 #define LMP_CTYPE_IPV6_LOC 3
277 #define LMP_CTYPE_IPV6_RMT 4
278 #define LMP_CTYPE_UNMD_LOC 5
279 #define LMP_CTYPE_UNMD_RMT 6
280
281 #define LMP_CTYPE_1 1
282 #define LMP_CTYPE_2 2
283
284 #define LMP_CTYPE_HELLO_CONFIG 1
285 #define LMP_CTYPE_HELLO 1
286
287 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
288 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
289
290 /* C-Types for Service Config Object */
291 #define LMP_CTYPE_SERVICE_CONFIG_SP 1
292 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2
293 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3
294 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4
295
296 /*
297 * Different link types allowed in the Client Port Service Attributes
298 * subobject defined for LMP Service Discovery in the UNI 1.0 spec
299 */
300 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */
301 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */
302
303 /*
304 * the ctypes are not globally unique so for
305 * translating it to strings we build a table based
306 * on objects offsetted by the ctype
307 */
308
309 static const struct tok lmp_ctype_values[] = {
310 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
311 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
312 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
313 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
314 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
315 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
316 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
317 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
318 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
319 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
320 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
321 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
322 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
323 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
324 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
325 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
326 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
327 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
328 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
329 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
330 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
331 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
332 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
333 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
334 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
335 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
336 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
337 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
338 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
339 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
340 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
341 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
342 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
343 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
344 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
345 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
346 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
347 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
348 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
349 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
350 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
351 { 0, NULL}
352 };
353
354 void
355 lmp_print(netdissect_options *ndo,
356 register const u_char *pptr, register u_int len)
357 {
358 const struct lmp_common_header *lmp_com_header;
359 const struct lmp_object_header *lmp_obj_header;
360 const u_char *tptr,*obj_tptr;
361 int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
362 int hexdump;
363 int offset,subobj_type,subobj_len,total_subobj_len;
364 int link_type;
365
366 union { /* int to float conversion buffer */
367 float f;
368 uint32_t i;
369 } bw;
370
371 tptr=pptr;
372 lmp_com_header = (const struct lmp_common_header *)pptr;
373 ND_TCHECK(*lmp_com_header);
374
375 /*
376 * Sanity checking of the header.
377 */
378 if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
379 ND_PRINT((ndo, "LMP version %u packet not supported",
380 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
381 return;
382 }
383
384 /* in non-verbose mode just lets print the basic Message Type*/
385 if (ndo->ndo_vflag < 1) {
386 ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
387 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
388 tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
389 len));
390 return;
391 }
392
393 /* ok they seem to want to know everything - lets fully decode it */
394
395 tlen=EXTRACT_16BITS(lmp_com_header->length);
396
397 ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
398 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
399 tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
400 bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
401 tlen));
402
403 tptr+=sizeof(const struct lmp_common_header);
404 tlen-=sizeof(const struct lmp_common_header);
405
406 while(tlen>0) {
407 /* did we capture enough for fully decoding the object header ? */
408 ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
409
410 lmp_obj_header = (const struct lmp_object_header *)tptr;
411 lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
412 lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
413
414 if(lmp_obj_len % 4 || lmp_obj_len < 4)
415 return;
416
417 ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
418 tok2str(lmp_obj_values,
419 "Unknown",
420 lmp_obj_header->class_num),
421 lmp_obj_header->class_num,
422 tok2str(lmp_ctype_values,
423 "Unknown",
424 ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
425 lmp_obj_ctype,
426 (lmp_obj_header->ctype)&0x80 ? "" : "non-",
427 lmp_obj_len));
428
429 obj_tptr=tptr+sizeof(struct lmp_object_header);
430 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
431
432 /* did we capture enough for fully decoding the object ? */
433 ND_TCHECK2(*tptr, lmp_obj_len);
434 hexdump=FALSE;
435
436 switch(lmp_obj_header->class_num) {
437
438 case LMP_OBJ_CC_ID:
439 switch(lmp_obj_ctype) {
440 case LMP_CTYPE_LOC:
441 case LMP_CTYPE_RMT:
442 ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)",
443 EXTRACT_32BITS(obj_tptr),
444 EXTRACT_32BITS(obj_tptr)));
445 break;
446
447 default:
448 hexdump=TRUE;
449 }
450 break;
451
452 case LMP_OBJ_LINK_ID:
453 case LMP_OBJ_INTERFACE_ID:
454 switch(lmp_obj_ctype) {
455 case LMP_CTYPE_IPV4_LOC:
456 case LMP_CTYPE_IPV4_RMT:
457 ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)",
458 ipaddr_string(ndo, obj_tptr),
459 EXTRACT_32BITS(obj_tptr)));
460 break;
461 #ifdef INET6
462 case LMP_CTYPE_IPV6_LOC:
463 case LMP_CTYPE_IPV6_RMT:
464 ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)",
465 ip6addr_string(ndo, obj_tptr),
466 EXTRACT_32BITS(obj_tptr)));
467 break;
468 #endif
469 case LMP_CTYPE_UNMD_LOC:
470 case LMP_CTYPE_UNMD_RMT:
471 ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)",
472 EXTRACT_32BITS(obj_tptr),
473 EXTRACT_32BITS(obj_tptr)));
474 break;
475 default:
476 hexdump=TRUE;
477 }
478 break;
479
480 case LMP_OBJ_MESSAGE_ID:
481 switch(lmp_obj_ctype) {
482 case LMP_CTYPE_1:
483 ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)",
484 EXTRACT_32BITS(obj_tptr),
485 EXTRACT_32BITS(obj_tptr)));
486 break;
487 case LMP_CTYPE_2:
488 ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)",
489 EXTRACT_32BITS(obj_tptr),
490 EXTRACT_32BITS(obj_tptr)));
491 break;
492 default:
493 hexdump=TRUE;
494 }
495 break;
496
497 case LMP_OBJ_NODE_ID:
498 switch(lmp_obj_ctype) {
499 case LMP_CTYPE_LOC:
500 case LMP_CTYPE_RMT:
501 ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)",
502 ipaddr_string(ndo, obj_tptr),
503 EXTRACT_32BITS(obj_tptr)));
504 break;
505
506 default:
507 hexdump=TRUE;
508 }
509 break;
510
511 case LMP_OBJ_CONFIG:
512 switch(lmp_obj_ctype) {
513 case LMP_CTYPE_HELLO_CONFIG:
514 ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
515 EXTRACT_16BITS(obj_tptr),
516 EXTRACT_16BITS(obj_tptr+2)));
517 break;
518
519 default:
520 hexdump=TRUE;
521 }
522 break;
523
524 case LMP_OBJ_HELLO:
525 switch(lmp_obj_ctype) {
526 case LMP_CTYPE_HELLO:
527 ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u",
528 EXTRACT_32BITS(obj_tptr),
529 EXTRACT_32BITS(obj_tptr+4)));
530 break;
531
532 default:
533 hexdump=TRUE;
534 }
535 break;
536
537 case LMP_OBJ_TE_LINK:
538 ND_PRINT((ndo, "\n\t Flags: [%s]",
539 bittok2str(lmp_obj_te_link_flag_values,
540 "none",
541 EXTRACT_16BITS(obj_tptr)>>8)));
542
543 switch(lmp_obj_ctype) {
544 case LMP_CTYPE_IPV4:
545 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
546 "\n\t Remote Link-ID: %s (0x%08x)",
547 ipaddr_string(ndo, obj_tptr+4),
548 EXTRACT_32BITS(obj_tptr+4),
549 ipaddr_string(ndo, obj_tptr+8),
550 EXTRACT_32BITS(obj_tptr+8)));
551 break;
552
553 #ifdef INET6
554 case LMP_CTYPE_IPV6:
555 #endif
556 case LMP_CTYPE_UNMD:
557 default:
558 hexdump=TRUE;
559 }
560 break;
561
562 case LMP_OBJ_DATA_LINK:
563 ND_PRINT((ndo, "\n\t Flags: [%s]",
564 bittok2str(lmp_obj_data_link_flag_values,
565 "none",
566 EXTRACT_16BITS(obj_tptr)>>8)));
567
568 switch(lmp_obj_ctype) {
569 case LMP_CTYPE_IPV4:
570 case LMP_CTYPE_UNMD:
571 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
572 "\n\t Remote Interface ID: %s (0x%08x)",
573 ipaddr_string(ndo, obj_tptr+4),
574 EXTRACT_32BITS(obj_tptr+4),
575 ipaddr_string(ndo, obj_tptr+8),
576 EXTRACT_32BITS(obj_tptr+8)));
577
578 total_subobj_len = lmp_obj_len - 16;
579 offset = 12;
580 while (total_subobj_len > 0 && hexdump == FALSE ) {
581 subobj_type = EXTRACT_16BITS(obj_tptr+offset)>>8;
582 subobj_len = EXTRACT_16BITS(obj_tptr+offset)&0x00FF;
583 ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u",
584 tok2str(lmp_data_link_subobj,
585 "Unknown",
586 subobj_type),
587 subobj_type,
588 subobj_len));
589 switch(subobj_type) {
590 case INT_SWITCHING_TYPE_SUBOBJ:
591 ND_PRINT((ndo, "\n\t Switching Type: %s (%u)",
592 tok2str(gmpls_switch_cap_values,
593 "Unknown",
594 EXTRACT_16BITS(obj_tptr+offset+2)>>8),
595 EXTRACT_16BITS(obj_tptr+offset+2)>>8));
596 ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)",
597 tok2str(gmpls_encoding_values,
598 "Unknown",
599 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF),
600 EXTRACT_16BITS(obj_tptr+offset+2)&0x00FF));
601 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
602 ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
603 bw.f*8/1000000));
604 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
605 ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
606 bw.f*8/1000000));
607 break;
608 case WAVELENGTH_SUBOBJ:
609 ND_PRINT((ndo, "\n\t Wavelength: %u",
610 EXTRACT_32BITS(obj_tptr+offset+4)));
611 break;
612 default:
613 /* Any Unknown Subobject ==> Exit loop */
614 hexdump=TRUE;
615 break;
616 }
617 total_subobj_len-=subobj_len;
618 offset+=subobj_len;
619 }
620
621 break;
622 #ifdef INET6
623 case LMP_CTYPE_IPV6:
624 #endif
625 default:
626 hexdump=TRUE;
627 }
628 break;
629
630 case LMP_OBJ_VERIFY_BEGIN:
631 switch(lmp_obj_ctype) {
632 case LMP_CTYPE_1:
633 ND_PRINT((ndo, "\n\t Flags: %s",
634 bittok2str(lmp_obj_begin_verify_flag_values,
635 "none",
636 EXTRACT_16BITS(obj_tptr))));
637 ND_PRINT((ndo, "\n\t Verify Interval: %u",
638 EXTRACT_16BITS(obj_tptr+2)));
639 ND_PRINT((ndo, "\n\t Data links: %u",
640 EXTRACT_32BITS(obj_tptr+4)));
641 ND_PRINT((ndo, "\n\t Encoding type: %s",
642 tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
643 ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s",
644 EXTRACT_16BITS(obj_tptr+10),
645 EXTRACT_16BITS(obj_tptr+10),
646 EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
647 bw.i = EXTRACT_32BITS(obj_tptr+12);
648 ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000));
649 ND_PRINT((ndo, "\n\t Wavelength: %u",
650 EXTRACT_32BITS(obj_tptr+16)));
651 break;
652
653 default:
654 hexdump=TRUE;
655 }
656 break;
657
658 case LMP_OBJ_VERIFY_BEGIN_ACK:
659 switch(lmp_obj_ctype) {
660 case LMP_CTYPE_1:
661 ND_PRINT((ndo, "\n\t Verify Dead Interval: %u"
662 "\n\t Verify Transport Response: %u",
663 EXTRACT_16BITS(obj_tptr),
664 EXTRACT_16BITS(obj_tptr+2)));
665 break;
666
667 default:
668 hexdump=TRUE;
669 }
670 break;
671
672 case LMP_OBJ_VERIFY_ID:
673 switch(lmp_obj_ctype) {
674 case LMP_CTYPE_1:
675 ND_PRINT((ndo, "\n\t Verify ID: %u",
676 EXTRACT_32BITS(obj_tptr)));
677 break;
678
679 default:
680 hexdump=TRUE;
681 }
682 break;
683
684 case LMP_OBJ_CHANNEL_STATUS:
685 switch(lmp_obj_ctype) {
686 case LMP_CTYPE_IPV4:
687 case LMP_CTYPE_UNMD:
688 offset = 0;
689 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
690 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
691 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
692 ipaddr_string(ndo, obj_tptr+offset),
693 EXTRACT_32BITS(obj_tptr+offset)));
694
695 ND_PRINT((ndo, "\n\t\t Active: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
696 "Allocated" : "Non-allocated",
697 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
698
699 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)", (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
700 "Transmit" : "Receive",
701 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
702
703 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
704 tok2str(lmp_obj_channel_status_values,
705 "Unknown",
706 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
707 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
708 offset+=8;
709 }
710 break;
711 #ifdef INET6
712 case LMP_CTYPE_IPV6:
713 #endif
714 default:
715 hexdump=TRUE;
716 }
717 break;
718
719 case LMP_OBJ_CHANNEL_STATUS_REQ:
720 switch(lmp_obj_ctype) {
721 case LMP_CTYPE_IPV4:
722 case LMP_CTYPE_UNMD:
723 offset = 0;
724 while (offset < (lmp_obj_len-(int)sizeof(struct lmp_object_header)) ) {
725 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
726 ipaddr_string(ndo, obj_tptr+offset),
727 EXTRACT_32BITS(obj_tptr+offset)));
728 offset+=4;
729 }
730 break;
731 #ifdef INET6
732 case LMP_CTYPE_IPV6:
733 #endif
734 default:
735 hexdump=TRUE;
736 }
737 break;
738
739 case LMP_OBJ_ERROR_CODE:
740 switch(lmp_obj_ctype) {
741 case LMP_CTYPE_BEGIN_VERIFY_ERROR:
742 ND_PRINT((ndo, "\n\t Error Code: %s",
743 bittok2str(lmp_obj_begin_verify_error_values,
744 "none",
745 EXTRACT_32BITS(obj_tptr))));
746 break;
747
748 case LMP_CTYPE_LINK_SUMMARY_ERROR:
749 ND_PRINT((ndo, "\n\t Error Code: %s",
750 bittok2str(lmp_obj_link_summary_error_values,
751 "none",
752 EXTRACT_32BITS(obj_tptr))));
753 break;
754 default:
755 hexdump=TRUE;
756 }
757 break;
758
759 case LMP_OBJ_SERVICE_CONFIG:
760 switch (lmp_obj_ctype) {
761 case LMP_CTYPE_SERVICE_CONFIG_SP:
762
763 ND_PRINT((ndo, "\n\t Flags: %s",
764 bittok2str(lmp_obj_service_config_sp_flag_values,
765 "none",
766 EXTRACT_16BITS(obj_tptr)>>8)));
767
768 ND_PRINT((ndo, "\n\t UNI Version: %u",
769 EXTRACT_16BITS(obj_tptr) & 0x00FF));
770
771 break;
772
773 case LMP_CTYPE_SERVICE_CONFIG_CPSA:
774
775 link_type = EXTRACT_16BITS(obj_tptr)>>8;
776
777 ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
778 tok2str(lmp_sd_service_config_cpsa_link_type_values,
779 "Unknown", link_type),
780 link_type));
781
782 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH) {
783 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
784 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
785 "Unknown",
786 EXTRACT_16BITS(obj_tptr) & 0x00FF),
787 EXTRACT_16BITS(obj_tptr) & 0x00FF));
788 }
789
790 if (link_type == LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET) {
791 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
792 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
793 "Unknown",
794 EXTRACT_16BITS(obj_tptr) & 0x00FF),
795 EXTRACT_16BITS(obj_tptr) & 0x00FF));
796 }
797
798 ND_PRINT((ndo, "\n\t Transparency: %s",
799 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
800 "none",
801 EXTRACT_16BITS(obj_tptr+2)>>8)));
802
803 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
804 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
805 "none",
806 EXTRACT_16BITS(obj_tptr+2)>>8 & 0x00FF)));
807
808 ND_PRINT((ndo, "\n\t Minimum NCC: %u",
809 EXTRACT_16BITS(obj_tptr+4)));
810
811 ND_PRINT((ndo, "\n\t Maximum NCC: %u",
812 EXTRACT_16BITS(obj_tptr+6)));
813
814 ND_PRINT((ndo, "\n\t Minimum NVC:%u",
815 EXTRACT_16BITS(obj_tptr+8)));
816
817 ND_PRINT((ndo, "\n\t Maximum NVC:%u",
818 EXTRACT_16BITS(obj_tptr+10)));
819
820 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)",
821 ipaddr_string(ndo, obj_tptr+12),
822 EXTRACT_32BITS(obj_tptr+12)));
823
824 break;
825
826 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
827
828 ND_PRINT((ndo, "\n\t Transparency Flags: %s",
829 bittok2str(
830 lmp_obj_service_config_nsa_transparency_flag_values,
831 "none",
832 EXTRACT_32BITS(obj_tptr))));
833
834 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
835 bittok2str(
836 lmp_obj_service_config_nsa_tcm_flag_values,
837 "none",
838 EXTRACT_16BITS(obj_tptr+6) & 0x00FF)));
839
840 break;
841
842 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
843
844 ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
845 bittok2str(
846 lmp_obj_service_config_nsa_network_diversity_flag_values,
847 "none",
848 EXTRACT_16BITS(obj_tptr+2) & 0x00FF)));
849 break;
850
851 default:
852 hexdump = TRUE;
853 };
854
855 break;
856
857 default:
858 if (ndo->ndo_vflag <= 1)
859 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen);
860 break;
861 }
862 /* do we want to see an additionally hexdump ? */
863 if (ndo->ndo_vflag > 1 || hexdump==TRUE)
864 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ",
865 lmp_obj_len-sizeof(struct lmp_object_header));
866
867 tptr+=lmp_obj_len;
868 tlen-=lmp_obj_len;
869 }
870 return;
871 trunc:
872 ND_PRINT((ndo, "\n\t\t packet exceeded snapshot"));
873 }
874 /*
875 * Local Variables:
876 * c-style: whitesmith
877 * c-basic-offset: 8
878 * End:
879 */
[mirror] the TCPdump network dissector