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 * Original code by Hannes Gredler (hannes@gredler.at)
14 * Support for LMP service discovery extensions (defined by OIF UNI 1.0)
15 * added by Manu Pathak (mapathak@cisco.com), May 2005
16 */
17
18 /* \summary: Link Management Protocol (LMP) printer */
19
20 /* specification: RFC 4204 */
21 /* OIF UNI 1.0: http://www.oiforum.com/public/documents/OIF-UNI-01.0.pdf */
22
23 #include <sys/cdefs.h>
24 #ifndef lint
25 __RCSID("$NetBSD: print-lmp.c,v 1.11 2019/10/01 16:06:16 christos Exp $");
26 #endif
27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include <netdissect-stdinc.h>
33
34 #include "netdissect.h"
35 #include "extract.h"
36 #include "addrtoname.h"
37 #include "gmpls.h"
38
39 static const char tstr[] = " [|LMP]";
40
41 /*
42 * LMP common header
43 *
44 * 0 1 2 3
45 * 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
46 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
47 * | Vers | (Reserved) | Flags | Msg Type |
48 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
49 * | LMP Length | (Reserved) |
50 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
51 */
52
53 struct lmp_common_header {
54 uint8_t version_res[2];
55 uint8_t flags;
56 uint8_t msg_type;
57 uint8_t length[2];
58 uint8_t reserved[2];
59 };
60
61 #define LMP_VERSION 1
62 #define LMP_EXTRACT_VERSION(x) (((x)&0xf0)>>4)
63
64 static const struct tok lmp_header_flag_values[] = {
65 { 0x01, "Control Channel Down"},
66 { 0x02, "LMP restart"},
67 { 0, NULL}
68 };
69
70 static const struct tok lmp_obj_te_link_flag_values[] = {
71 { 0x01, "Fault Management Supported"},
72 { 0x02, "Link Verification Supported"},
73 { 0, NULL}
74 };
75
76 static const struct tok lmp_obj_data_link_flag_values[] = {
77 { 0x01, "Data Link Port"},
78 { 0x02, "Allocated for user traffic"},
79 { 0x04, "Failed link"},
80 { 0, NULL}
81 };
82
83 static const struct tok lmp_obj_channel_status_values[] = {
84 { 1, "Signal Okay"},
85 { 2, "Signal Degraded"},
86 { 3, "Signal Fail"},
87 { 0, NULL}
88 };
89
90 static const struct tok lmp_obj_begin_verify_flag_values[] = {
91 { 0x0001, "Verify all links"},
92 { 0x0002, "Data link type"},
93 { 0, NULL}
94 };
95
96 static const struct tok lmp_obj_begin_verify_error_values[] = {
97 { 0x01, "Link Verification Procedure Not supported"},
98 { 0x02, "Unwilling to verify"},
99 { 0x04, "Unsupported verification transport mechanism"},
100 { 0x08, "Link-Id configuration error"},
101 { 0x10, "Unknown object c-type"},
102 { 0, NULL}
103 };
104
105 static const struct tok lmp_obj_link_summary_error_values[] = {
106 { 0x01, "Unacceptable non-negotiable LINK-SUMMARY parameters"},
107 { 0x02, "Renegotiate LINK-SUMMARY parameters"},
108 { 0x04, "Invalid TE-LINK Object"},
109 { 0x08, "Invalid DATA-LINK Object"},
110 { 0x10, "Unknown TE-LINK Object c-type"},
111 { 0x20, "Unknown DATA-LINK Object c-type"},
112 { 0, NULL}
113 };
114
115 /* Service Config Supported Protocols Flags */
116 static const struct tok lmp_obj_service_config_sp_flag_values[] = {
117 { 0x01, "RSVP Supported"},
118 { 0x02, "LDP Supported"},
119 { 0, NULL}
120 };
121
122 /* Service Config Client Port Service Attribute Transparency Flags */
123 static const struct tok lmp_obj_service_config_cpsa_tp_flag_values[] = {
124 { 0x01, "Path/VC Overhead Transparency Supported"},
125 { 0x02, "Line/MS Overhead Transparency Supported"},
126 { 0x04, "Section/RS Overhead Transparency Supported"},
127 { 0, NULL}
128 };
129
130 /* Service Config Client Port Service Attribute Contiguous Concatenation Types Flags */
131 static const struct tok lmp_obj_service_config_cpsa_cct_flag_values[] = {
132 { 0x01, "Contiguous Concatenation Types Supported"},
133 { 0, NULL}
134 };
135
136 /* Service Config Network Service Attributes Transparency Flags */
137 static const struct tok lmp_obj_service_config_nsa_transparency_flag_values[] = {
138 { 0x01, "Standard SOH/RSOH Transparency Supported"},
139 { 0x02, "Standard LOH/MSOH Transparency Supported"},
140 { 0, NULL}
141 };
142
143 /* Service Config Network Service Attributes TCM Monitoring Flags */
144 static const struct tok lmp_obj_service_config_nsa_tcm_flag_values[] = {
145 { 0x01, "Transparent Tandem Connection Monitoring Supported"},
146 { 0, NULL}
147 };
148
149 /* Network Service Attributes Network Diversity Flags */
150 static const struct tok lmp_obj_service_config_nsa_network_diversity_flag_values[] = {
151 { 0x01, "Node Diversity Supported"},
152 { 0x02, "Link Diversity Supported"},
153 { 0x04, "SRLG Diversity Supported"},
154 { 0, NULL}
155 };
156
157 #define LMP_MSGTYPE_CONFIG 1
158 #define LMP_MSGTYPE_CONFIG_ACK 2
159 #define LMP_MSGTYPE_CONFIG_NACK 3
160 #define LMP_MSGTYPE_HELLO 4
161 #define LMP_MSGTYPE_VERIFY_BEGIN 5
162 #define LMP_MSGTYPE_VERIFY_BEGIN_ACK 6
163 #define LMP_MSGTYPE_VERIFY_BEGIN_NACK 7
164 #define LMP_MSGTYPE_VERIFY_END 8
165 #define LMP_MSGTYPE_VERIFY_END_ACK 9
166 #define LMP_MSGTYPE_TEST 10
167 #define LMP_MSGTYPE_TEST_STATUS_SUCCESS 11
168 #define LMP_MSGTYPE_TEST_STATUS_FAILURE 12
169 #define LMP_MSGTYPE_TEST_STATUS_ACK 13
170 #define LMP_MSGTYPE_LINK_SUMMARY 14
171 #define LMP_MSGTYPE_LINK_SUMMARY_ACK 15
172 #define LMP_MSGTYPE_LINK_SUMMARY_NACK 16
173 #define LMP_MSGTYPE_CHANNEL_STATUS 17
174 #define LMP_MSGTYPE_CHANNEL_STATUS_ACK 18
175 #define LMP_MSGTYPE_CHANNEL_STATUS_REQ 19
176 #define LMP_MSGTYPE_CHANNEL_STATUS_RESP 20
177 /* LMP Service Discovery message types defined by UNI 1.0 */
178 #define LMP_MSGTYPE_SERVICE_CONFIG 50
179 #define LMP_MSGTYPE_SERVICE_CONFIG_ACK 51
180 #define LMP_MSGTYPE_SERVICE_CONFIG_NACK 52
181
182 static const struct tok lmp_msg_type_values[] = {
183 { LMP_MSGTYPE_CONFIG, "Config"},
184 { LMP_MSGTYPE_CONFIG_ACK, "Config ACK"},
185 { LMP_MSGTYPE_CONFIG_NACK, "Config NACK"},
186 { LMP_MSGTYPE_HELLO, "Hello"},
187 { LMP_MSGTYPE_VERIFY_BEGIN, "Begin Verify"},
188 { LMP_MSGTYPE_VERIFY_BEGIN_ACK, "Begin Verify ACK"},
189 { LMP_MSGTYPE_VERIFY_BEGIN_NACK, "Begin Verify NACK"},
190 { LMP_MSGTYPE_VERIFY_END, "End Verify"},
191 { LMP_MSGTYPE_VERIFY_END_ACK, "End Verify ACK"},
192 { LMP_MSGTYPE_TEST, "Test"},
193 { LMP_MSGTYPE_TEST_STATUS_SUCCESS, "Test Status Success"},
194 { LMP_MSGTYPE_TEST_STATUS_FAILURE, "Test Status Failure"},
195 { LMP_MSGTYPE_TEST_STATUS_ACK, "Test Status ACK"},
196 { LMP_MSGTYPE_LINK_SUMMARY, "Link Summary"},
197 { LMP_MSGTYPE_LINK_SUMMARY_ACK, "Link Summary ACK"},
198 { LMP_MSGTYPE_LINK_SUMMARY_NACK, "Link Summary NACK"},
199 { LMP_MSGTYPE_CHANNEL_STATUS, "Channel Status"},
200 { LMP_MSGTYPE_CHANNEL_STATUS_ACK, "Channel Status ACK"},
201 { LMP_MSGTYPE_CHANNEL_STATUS_REQ, "Channel Status Request"},
202 { LMP_MSGTYPE_CHANNEL_STATUS_RESP, "Channel Status Response"},
203 { LMP_MSGTYPE_SERVICE_CONFIG, "Service Config"},
204 { LMP_MSGTYPE_SERVICE_CONFIG_ACK, "Service Config ACK"},
205 { LMP_MSGTYPE_SERVICE_CONFIG_NACK, "Service Config NACK"},
206 { 0, NULL}
207 };
208
209 /*
210 * LMP object header
211 *
212 * 0 1 2 3
213 * 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
214 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
215 * |N| C-Type | Class | Length |
216 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
217 * | |
218 * // (object contents) //
219 * | |
220 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
221 */
222
223 struct lmp_object_header {
224 uint8_t ctype;
225 uint8_t class_num;
226 uint8_t length[2];
227 };
228
229 #define LMP_OBJ_CC_ID 1
230 #define LMP_OBJ_NODE_ID 2
231 #define LMP_OBJ_LINK_ID 3
232 #define LMP_OBJ_INTERFACE_ID 4
233 #define LMP_OBJ_MESSAGE_ID 5
234 #define LMP_OBJ_CONFIG 6
235 #define LMP_OBJ_HELLO 7
236 #define LMP_OBJ_VERIFY_BEGIN 8
237 #define LMP_OBJ_VERIFY_BEGIN_ACK 9
238 #define LMP_OBJ_VERIFY_ID 10
239 #define LMP_OBJ_TE_LINK 11
240 #define LMP_OBJ_DATA_LINK 12
241 #define LMP_OBJ_CHANNEL_STATUS 13
242 #define LMP_OBJ_CHANNEL_STATUS_REQ 14
243 #define LMP_OBJ_ERROR_CODE 20
244
245 #define LMP_OBJ_SERVICE_CONFIG 51 /* defined in UNI 1.0 */
246
247 static const struct tok lmp_obj_values[] = {
248 { LMP_OBJ_CC_ID, "Control Channel ID" },
249 { LMP_OBJ_NODE_ID, "Node ID" },
250 { LMP_OBJ_LINK_ID, "Link ID" },
251 { LMP_OBJ_INTERFACE_ID, "Interface ID" },
252 { LMP_OBJ_MESSAGE_ID, "Message ID" },
253 { LMP_OBJ_CONFIG, "Configuration" },
254 { LMP_OBJ_HELLO, "Hello" },
255 { LMP_OBJ_VERIFY_BEGIN, "Verify Begin" },
256 { LMP_OBJ_VERIFY_BEGIN_ACK, "Verify Begin ACK" },
257 { LMP_OBJ_VERIFY_ID, "Verify ID" },
258 { LMP_OBJ_TE_LINK, "TE Link" },
259 { LMP_OBJ_DATA_LINK, "Data Link" },
260 { LMP_OBJ_CHANNEL_STATUS, "Channel Status" },
261 { LMP_OBJ_CHANNEL_STATUS_REQ, "Channel Status Request" },
262 { LMP_OBJ_ERROR_CODE, "Error Code" },
263 { LMP_OBJ_SERVICE_CONFIG, "Service Config" },
264
265 { 0, NULL}
266 };
267
268 #define INT_SWITCHING_TYPE_SUBOBJ 1
269 #define WAVELENGTH_SUBOBJ 2
270
271 static const struct tok lmp_data_link_subobj[] = {
272 { INT_SWITCHING_TYPE_SUBOBJ, "Interface Switching Type" },
273 { WAVELENGTH_SUBOBJ , "Wavelength" },
274 { 0, NULL}
275 };
276
277 #define LMP_CTYPE_IPV4 1
278 #define LMP_CTYPE_IPV6 2
279
280 #define LMP_CTYPE_LOC 1
281 #define LMP_CTYPE_RMT 2
282 #define LMP_CTYPE_UNMD 3
283
284 #define LMP_CTYPE_IPV4_LOC 1
285 #define LMP_CTYPE_IPV4_RMT 2
286 #define LMP_CTYPE_IPV6_LOC 3
287 #define LMP_CTYPE_IPV6_RMT 4
288 #define LMP_CTYPE_UNMD_LOC 5
289 #define LMP_CTYPE_UNMD_RMT 6
290
291 #define LMP_CTYPE_1 1
292 #define LMP_CTYPE_2 2
293
294 #define LMP_CTYPE_HELLO_CONFIG 1
295 #define LMP_CTYPE_HELLO 1
296
297 #define LMP_CTYPE_BEGIN_VERIFY_ERROR 1
298 #define LMP_CTYPE_LINK_SUMMARY_ERROR 2
299
300 /* C-Types for Service Config Object */
301 #define LMP_CTYPE_SERVICE_CONFIG_SP 1
302 #define LMP_CTYPE_SERVICE_CONFIG_CPSA 2
303 #define LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM 3
304 #define LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY 4
305
306 /*
307 * Different link types allowed in the Client Port Service Attributes
308 * subobject defined for LMP Service Discovery in the UNI 1.0 spec
309 */
310 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH 5 /* UNI 1.0 Sec 9.4.2 */
311 #define LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET 6 /* UNI 1.0 Sec 9.4.2 */
312
313 /*
314 * the ctypes are not globally unique so for
315 * translating it to strings we build a table based
316 * on objects offsetted by the ctype
317 */
318
319 static const struct tok lmp_ctype_values[] = {
320 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_LOC, "Local" },
321 { 256*LMP_OBJ_CC_ID+LMP_CTYPE_RMT, "Remote" },
322 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_LOC, "Local" },
323 { 256*LMP_OBJ_NODE_ID+LMP_CTYPE_RMT, "Remote" },
324 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
325 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
326 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
327 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
328 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
329 { 256*LMP_OBJ_LINK_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
330 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_LOC, "IPv4 Local" },
331 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV4_RMT, "IPv4 Remote" },
332 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_LOC, "IPv6 Local" },
333 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_IPV6_RMT, "IPv6 Remote" },
334 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_LOC, "Unnumbered Local" },
335 { 256*LMP_OBJ_INTERFACE_ID+LMP_CTYPE_UNMD_RMT, "Unnumbered Remote" },
336 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_1, "1" },
337 { 256*LMP_OBJ_MESSAGE_ID+LMP_CTYPE_2, "2" },
338 { 256*LMP_OBJ_CONFIG+LMP_CTYPE_1, "1" },
339 { 256*LMP_OBJ_HELLO+LMP_CTYPE_1, "1" },
340 { 256*LMP_OBJ_VERIFY_BEGIN+LMP_CTYPE_1, "1" },
341 { 256*LMP_OBJ_VERIFY_BEGIN_ACK+LMP_CTYPE_1, "1" },
342 { 256*LMP_OBJ_VERIFY_ID+LMP_CTYPE_1, "1" },
343 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV4, "IPv4" },
344 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_IPV6, "IPv6" },
345 { 256*LMP_OBJ_TE_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
346 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV4, "IPv4" },
347 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_IPV6, "IPv6" },
348 { 256*LMP_OBJ_DATA_LINK+LMP_CTYPE_UNMD, "Unnumbered" },
349 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV4, "IPv4" },
350 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_IPV6, "IPv6" },
351 { 256*LMP_OBJ_CHANNEL_STATUS+LMP_CTYPE_UNMD, "Unnumbered" },
352 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV4, "IPv4" },
353 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_IPV6, "IPv6" },
354 { 256*LMP_OBJ_CHANNEL_STATUS_REQ+LMP_CTYPE_UNMD, "Unnumbered" },
355 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_1, "1" },
356 { 256*LMP_OBJ_ERROR_CODE+LMP_CTYPE_2, "2" },
357 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_SP, "1" },
358 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_CPSA, "2" },
359 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM, "3" },
360 { 256*LMP_OBJ_SERVICE_CONFIG+LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY, "4" },
361 { 0, NULL}
362 };
363
364 static int
lmp_print_data_link_subobjs(netdissect_options * ndo,const u_char * obj_tptr,int total_subobj_len,int offset)365 lmp_print_data_link_subobjs(netdissect_options *ndo, const u_char *obj_tptr,
366 int total_subobj_len, int offset)
367 {
368 int hexdump = FALSE;
369 int subobj_type, subobj_len;
370
371 union { /* int to float conversion buffer */
372 float f;
373 uint32_t i;
374 } bw;
375
376 while (total_subobj_len > 0 && hexdump == FALSE ) {
377 ND_TCHECK_16BITS(obj_tptr + offset);
378 subobj_type = EXTRACT_8BITS(obj_tptr + offset);
379 subobj_len = EXTRACT_8BITS(obj_tptr + offset + 1);
380 ND_PRINT((ndo, "\n\t Subobject, Type: %s (%u), Length: %u",
381 tok2str(lmp_data_link_subobj,
382 "Unknown",
383 subobj_type),
384 subobj_type,
385 subobj_len));
386 if (subobj_len < 4) {
387 ND_PRINT((ndo, " (too short)"));
388 break;
389 }
390 if ((subobj_len % 4) != 0) {
391 ND_PRINT((ndo, " (not a multiple of 4)"));
392 break;
393 }
394 if (total_subobj_len < subobj_len) {
395 ND_PRINT((ndo, " (goes past the end of the object)"));
396 break;
397 }
398 switch(subobj_type) {
399 case INT_SWITCHING_TYPE_SUBOBJ:
400 ND_TCHECK_8BITS(obj_tptr + offset + 2);
401 ND_PRINT((ndo, "\n\t Switching Type: %s (%u)",
402 tok2str(gmpls_switch_cap_values,
403 "Unknown",
404 EXTRACT_8BITS(obj_tptr + offset + 2)),
405 EXTRACT_8BITS(obj_tptr + offset + 2)));
406 ND_TCHECK_8BITS(obj_tptr + offset + 3);
407 ND_PRINT((ndo, "\n\t Encoding Type: %s (%u)",
408 tok2str(gmpls_encoding_values,
409 "Unknown",
410 EXTRACT_8BITS(obj_tptr + offset + 3)),
411 EXTRACT_8BITS(obj_tptr + offset + 3)));
412 ND_TCHECK_32BITS(obj_tptr + offset + 4);
413 bw.i = EXTRACT_32BITS(obj_tptr+offset+4);
414 ND_PRINT((ndo, "\n\t Min Reservable Bandwidth: %.3f Mbps",
415 bw.f*8/1000000));
416 ND_TCHECK_32BITS(obj_tptr + offset + 8);
417 bw.i = EXTRACT_32BITS(obj_tptr+offset+8);
418 ND_PRINT((ndo, "\n\t Max Reservable Bandwidth: %.3f Mbps",
419 bw.f*8/1000000));
420 break;
421 case WAVELENGTH_SUBOBJ:
422 ND_TCHECK_32BITS(obj_tptr + offset + 4);
423 ND_PRINT((ndo, "\n\t Wavelength: %u",
424 EXTRACT_32BITS(obj_tptr+offset+4)));
425 break;
426 default:
427 /* Any Unknown Subobject ==> Exit loop */
428 hexdump=TRUE;
429 break;
430 }
431 total_subobj_len-=subobj_len;
432 offset+=subobj_len;
433 }
434 return (hexdump);
435 trunc:
436 return -1;
437 }
438
439 void
lmp_print(netdissect_options * ndo,register const u_char * pptr,register u_int len)440 lmp_print(netdissect_options *ndo,
441 register const u_char *pptr, register u_int len)
442 {
443 const struct lmp_common_header *lmp_com_header;
444 const struct lmp_object_header *lmp_obj_header;
445 const u_char *tptr,*obj_tptr;
446 u_int tlen,lmp_obj_len,lmp_obj_ctype,obj_tlen;
447 int hexdump, ret;
448 u_int offset;
449 u_int link_type;
450
451 union { /* int to float conversion buffer */
452 float f;
453 uint32_t i;
454 } bw;
455
456 tptr=pptr;
457 lmp_com_header = (const struct lmp_common_header *)pptr;
458 ND_TCHECK(*lmp_com_header);
459
460 /*
461 * Sanity checking of the header.
462 */
463 if (LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]) != LMP_VERSION) {
464 ND_PRINT((ndo, "LMP version %u packet not supported",
465 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0])));
466 return;
467 }
468
469 /* in non-verbose mode just lets print the basic Message Type*/
470 if (ndo->ndo_vflag < 1) {
471 ND_PRINT((ndo, "LMPv%u %s Message, length: %u",
472 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
473 tok2str(lmp_msg_type_values, "unknown (%u)",lmp_com_header->msg_type),
474 len));
475 return;
476 }
477
478 /* ok they seem to want to know everything - lets fully decode it */
479
480 tlen=EXTRACT_16BITS(lmp_com_header->length);
481
482 ND_PRINT((ndo, "\n\tLMPv%u, msg-type: %s, Flags: [%s], length: %u",
483 LMP_EXTRACT_VERSION(lmp_com_header->version_res[0]),
484 tok2str(lmp_msg_type_values, "unknown, type: %u",lmp_com_header->msg_type),
485 bittok2str(lmp_header_flag_values,"none",lmp_com_header->flags),
486 tlen));
487 if (tlen < sizeof(const struct lmp_common_header)) {
488 ND_PRINT((ndo, " (too short)"));
489 return;
490 }
491 if (tlen > len) {
492 ND_PRINT((ndo, " (too long)"));
493 tlen = len;
494 }
495
496 tptr+=sizeof(const struct lmp_common_header);
497 tlen-=sizeof(const struct lmp_common_header);
498
499 while(tlen>0) {
500 /* did we capture enough for fully decoding the object header ? */
501 ND_TCHECK2(*tptr, sizeof(struct lmp_object_header));
502
503 lmp_obj_header = (const struct lmp_object_header *)tptr;
504 lmp_obj_len=EXTRACT_16BITS(lmp_obj_header->length);
505 lmp_obj_ctype=(lmp_obj_header->ctype)&0x7f;
506
507 ND_PRINT((ndo, "\n\t %s Object (%u), Class-Type: %s (%u) Flags: [%snegotiable], length: %u",
508 tok2str(lmp_obj_values,
509 "Unknown",
510 lmp_obj_header->class_num),
511 lmp_obj_header->class_num,
512 tok2str(lmp_ctype_values,
513 "Unknown",
514 ((lmp_obj_header->class_num)<<8)+lmp_obj_ctype),
515 lmp_obj_ctype,
516 (lmp_obj_header->ctype)&0x80 ? "" : "non-",
517 lmp_obj_len));
518
519 if (lmp_obj_len < 4) {
520 ND_PRINT((ndo, " (too short)"));
521 return;
522 }
523 if ((lmp_obj_len % 4) != 0) {
524 ND_PRINT((ndo, " (not a multiple of 4)"));
525 return;
526 }
527
528 obj_tptr=tptr+sizeof(struct lmp_object_header);
529 obj_tlen=lmp_obj_len-sizeof(struct lmp_object_header);
530
531 /* did we capture enough for fully decoding the object ? */
532 ND_TCHECK2(*tptr, lmp_obj_len);
533 hexdump=FALSE;
534
535 switch(lmp_obj_header->class_num) {
536
537 case LMP_OBJ_CC_ID:
538 switch(lmp_obj_ctype) {
539 case LMP_CTYPE_LOC:
540 case LMP_CTYPE_RMT:
541 if (obj_tlen != 4) {
542 ND_PRINT((ndo, " (not correct for object)"));
543 break;
544 }
545 ND_PRINT((ndo, "\n\t Control Channel ID: %u (0x%08x)",
546 EXTRACT_32BITS(obj_tptr),
547 EXTRACT_32BITS(obj_tptr)));
548 break;
549
550 default:
551 hexdump=TRUE;
552 }
553 break;
554
555 case LMP_OBJ_LINK_ID:
556 case LMP_OBJ_INTERFACE_ID:
557 switch(lmp_obj_ctype) {
558 case LMP_CTYPE_IPV4_LOC:
559 case LMP_CTYPE_IPV4_RMT:
560 if (obj_tlen != 4) {
561 ND_PRINT((ndo, " (not correct for object)"));
562 break;
563 }
564 ND_PRINT((ndo, "\n\t IPv4 Link ID: %s (0x%08x)",
565 ipaddr_string(ndo, obj_tptr),
566 EXTRACT_32BITS(obj_tptr)));
567 break;
568 case LMP_CTYPE_IPV6_LOC:
569 case LMP_CTYPE_IPV6_RMT:
570 if (obj_tlen != 16) {
571 ND_PRINT((ndo, " (not correct for object)"));
572 break;
573 }
574 ND_PRINT((ndo, "\n\t IPv6 Link ID: %s (0x%08x)",
575 ip6addr_string(ndo, obj_tptr),
576 EXTRACT_32BITS(obj_tptr)));
577 break;
578 case LMP_CTYPE_UNMD_LOC:
579 case LMP_CTYPE_UNMD_RMT:
580 if (obj_tlen != 4) {
581 ND_PRINT((ndo, " (not correct for object)"));
582 break;
583 }
584 ND_PRINT((ndo, "\n\t Link ID: %u (0x%08x)",
585 EXTRACT_32BITS(obj_tptr),
586 EXTRACT_32BITS(obj_tptr)));
587 break;
588 default:
589 hexdump=TRUE;
590 }
591 break;
592
593 case LMP_OBJ_MESSAGE_ID:
594 switch(lmp_obj_ctype) {
595 case LMP_CTYPE_1:
596 if (obj_tlen != 4) {
597 ND_PRINT((ndo, " (not correct for object)"));
598 break;
599 }
600 ND_PRINT((ndo, "\n\t Message ID: %u (0x%08x)",
601 EXTRACT_32BITS(obj_tptr),
602 EXTRACT_32BITS(obj_tptr)));
603 break;
604 case LMP_CTYPE_2:
605 if (obj_tlen != 4) {
606 ND_PRINT((ndo, " (not correct for object)"));
607 break;
608 }
609 ND_PRINT((ndo, "\n\t Message ID Ack: %u (0x%08x)",
610 EXTRACT_32BITS(obj_tptr),
611 EXTRACT_32BITS(obj_tptr)));
612 break;
613 default:
614 hexdump=TRUE;
615 }
616 break;
617
618 case LMP_OBJ_NODE_ID:
619 switch(lmp_obj_ctype) {
620 case LMP_CTYPE_LOC:
621 case LMP_CTYPE_RMT:
622 if (obj_tlen != 4) {
623 ND_PRINT((ndo, " (not correct for object)"));
624 break;
625 }
626 ND_PRINT((ndo, "\n\t Node ID: %s (0x%08x)",
627 ipaddr_string(ndo, obj_tptr),
628 EXTRACT_32BITS(obj_tptr)));
629 break;
630
631 default:
632 hexdump=TRUE;
633 }
634 break;
635
636 case LMP_OBJ_CONFIG:
637 switch(lmp_obj_ctype) {
638 case LMP_CTYPE_HELLO_CONFIG:
639 if (obj_tlen != 4) {
640 ND_PRINT((ndo, " (not correct for object)"));
641 break;
642 }
643 ND_PRINT((ndo, "\n\t Hello Interval: %u\n\t Hello Dead Interval: %u",
644 EXTRACT_16BITS(obj_tptr),
645 EXTRACT_16BITS(obj_tptr+2)));
646 break;
647
648 default:
649 hexdump=TRUE;
650 }
651 break;
652
653 case LMP_OBJ_HELLO:
654 switch(lmp_obj_ctype) {
655 case LMP_CTYPE_HELLO:
656 if (obj_tlen != 8) {
657 ND_PRINT((ndo, " (not correct for object)"));
658 break;
659 }
660 ND_PRINT((ndo, "\n\t Tx Seq: %u, Rx Seq: %u",
661 EXTRACT_32BITS(obj_tptr),
662 EXTRACT_32BITS(obj_tptr+4)));
663 break;
664
665 default:
666 hexdump=TRUE;
667 }
668 break;
669
670 case LMP_OBJ_TE_LINK:
671 switch(lmp_obj_ctype) {
672 case LMP_CTYPE_IPV4:
673 if (obj_tlen != 12) {
674 ND_PRINT((ndo, " (not correct for object)"));
675 break;
676 }
677 ND_PRINT((ndo, "\n\t Flags: [%s]",
678 bittok2str(lmp_obj_te_link_flag_values,
679 "none",
680 EXTRACT_8BITS(obj_tptr))));
681
682 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
683 "\n\t Remote Link-ID: %s (0x%08x)",
684 ipaddr_string(ndo, obj_tptr+4),
685 EXTRACT_32BITS(obj_tptr+4),
686 ipaddr_string(ndo, obj_tptr+8),
687 EXTRACT_32BITS(obj_tptr+8)));
688 break;
689
690 case LMP_CTYPE_IPV6:
691 if (obj_tlen != 36) {
692 ND_PRINT((ndo, " (not correct for object)"));
693 break;
694 }
695 ND_PRINT((ndo, "\n\t Flags: [%s]",
696 bittok2str(lmp_obj_te_link_flag_values,
697 "none",
698 EXTRACT_8BITS(obj_tptr))));
699
700 ND_PRINT((ndo, "\n\t Local Link-ID: %s (0x%08x)"
701 "\n\t Remote Link-ID: %s (0x%08x)",
702 ip6addr_string(ndo, obj_tptr+4),
703 EXTRACT_32BITS(obj_tptr+4),
704 ip6addr_string(ndo, obj_tptr+20),
705 EXTRACT_32BITS(obj_tptr+20)));
706 break;
707
708 case LMP_CTYPE_UNMD:
709 if (obj_tlen != 12) {
710 ND_PRINT((ndo, " (not correct for object)"));
711 break;
712 }
713 ND_PRINT((ndo, "\n\t Flags: [%s]",
714 bittok2str(lmp_obj_te_link_flag_values,
715 "none",
716 EXTRACT_8BITS(obj_tptr))));
717
718 ND_PRINT((ndo, "\n\t Local Link-ID: %u (0x%08x)"
719 "\n\t Remote Link-ID: %u (0x%08x)",
720 EXTRACT_32BITS(obj_tptr+4),
721 EXTRACT_32BITS(obj_tptr+4),
722 EXTRACT_32BITS(obj_tptr+8),
723 EXTRACT_32BITS(obj_tptr+8)));
724 break;
725
726 default:
727 hexdump=TRUE;
728 }
729 break;
730
731 case LMP_OBJ_DATA_LINK:
732 switch(lmp_obj_ctype) {
733 case LMP_CTYPE_IPV4:
734 if (obj_tlen < 12) {
735 ND_PRINT((ndo, " (not correct for object)"));
736 break;
737 }
738 ND_PRINT((ndo, "\n\t Flags: [%s]",
739 bittok2str(lmp_obj_data_link_flag_values,
740 "none",
741 EXTRACT_8BITS(obj_tptr))));
742 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
743 "\n\t Remote Interface ID: %s (0x%08x)",
744 ipaddr_string(ndo, obj_tptr+4),
745 EXTRACT_32BITS(obj_tptr+4),
746 ipaddr_string(ndo, obj_tptr+8),
747 EXTRACT_32BITS(obj_tptr+8)));
748
749 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
750 if (ret == -1)
751 goto trunc;
752 if (ret == TRUE)
753 hexdump=TRUE;
754 break;
755
756 case LMP_CTYPE_IPV6:
757 if (obj_tlen < 36) {
758 ND_PRINT((ndo, " (not correct for object)"));
759 break;
760 }
761 ND_PRINT((ndo, "\n\t Flags: [%s]",
762 bittok2str(lmp_obj_data_link_flag_values,
763 "none",
764 EXTRACT_8BITS(obj_tptr))));
765 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)"
766 "\n\t Remote Interface ID: %s (0x%08x)",
767 ip6addr_string(ndo, obj_tptr+4),
768 EXTRACT_32BITS(obj_tptr+4),
769 ip6addr_string(ndo, obj_tptr+20),
770 EXTRACT_32BITS(obj_tptr+20)));
771
772 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 36, 36);
773 if (ret == -1)
774 goto trunc;
775 if (ret == TRUE)
776 hexdump=TRUE;
777 break;
778
779 case LMP_CTYPE_UNMD:
780 if (obj_tlen < 12) {
781 ND_PRINT((ndo, " (not correct for object)"));
782 break;
783 }
784 ND_PRINT((ndo, "\n\t Flags: [%s]",
785 bittok2str(lmp_obj_data_link_flag_values,
786 "none",
787 EXTRACT_8BITS(obj_tptr))));
788 ND_PRINT((ndo, "\n\t Local Interface ID: %u (0x%08x)"
789 "\n\t Remote Interface ID: %u (0x%08x)",
790 EXTRACT_32BITS(obj_tptr+4),
791 EXTRACT_32BITS(obj_tptr+4),
792 EXTRACT_32BITS(obj_tptr+8),
793 EXTRACT_32BITS(obj_tptr+8)));
794
795 ret = lmp_print_data_link_subobjs(ndo, obj_tptr, obj_tlen - 12, 12);
796 if (ret == -1)
797 goto trunc;
798 if (ret == TRUE)
799 hexdump=TRUE;
800 break;
801
802 default:
803 hexdump=TRUE;
804 }
805 break;
806
807 case LMP_OBJ_VERIFY_BEGIN:
808 switch(lmp_obj_ctype) {
809 case LMP_CTYPE_1:
810 if (obj_tlen != 20) {
811 ND_PRINT((ndo, " (not correct for object)"));
812 break;
813 }
814 ND_PRINT((ndo, "\n\t Flags: %s",
815 bittok2str(lmp_obj_begin_verify_flag_values,
816 "none",
817 EXTRACT_16BITS(obj_tptr))));
818 ND_PRINT((ndo, "\n\t Verify Interval: %u",
819 EXTRACT_16BITS(obj_tptr+2)));
820 ND_PRINT((ndo, "\n\t Data links: %u",
821 EXTRACT_32BITS(obj_tptr+4)));
822 ND_PRINT((ndo, "\n\t Encoding type: %s",
823 tok2str(gmpls_encoding_values, "Unknown", *(obj_tptr+8))));
824 ND_PRINT((ndo, "\n\t Verify Transport Mechanism: %u (0x%x)%s",
825 EXTRACT_16BITS(obj_tptr+10),
826 EXTRACT_16BITS(obj_tptr+10),
827 EXTRACT_16BITS(obj_tptr+10)&8000 ? " (Payload test messages capable)" : ""));
828 bw.i = EXTRACT_32BITS(obj_tptr+12);
829 ND_PRINT((ndo, "\n\t Transmission Rate: %.3f Mbps",bw.f*8/1000000));
830 ND_PRINT((ndo, "\n\t Wavelength: %u",
831 EXTRACT_32BITS(obj_tptr+16)));
832 break;
833
834 default:
835 hexdump=TRUE;
836 }
837 break;
838
839 case LMP_OBJ_VERIFY_BEGIN_ACK:
840 switch(lmp_obj_ctype) {
841 case LMP_CTYPE_1:
842 if (obj_tlen != 4) {
843 ND_PRINT((ndo, " (not correct for object)"));
844 break;
845 }
846 ND_PRINT((ndo, "\n\t Verify Dead Interval: %u"
847 "\n\t Verify Transport Response: %u",
848 EXTRACT_16BITS(obj_tptr),
849 EXTRACT_16BITS(obj_tptr+2)));
850 break;
851
852 default:
853 hexdump=TRUE;
854 }
855 break;
856
857 case LMP_OBJ_VERIFY_ID:
858 switch(lmp_obj_ctype) {
859 case LMP_CTYPE_1:
860 if (obj_tlen != 4) {
861 ND_PRINT((ndo, " (not correct for object)"));
862 break;
863 }
864 ND_PRINT((ndo, "\n\t Verify ID: %u",
865 EXTRACT_32BITS(obj_tptr)));
866 break;
867
868 default:
869 hexdump=TRUE;
870 }
871 break;
872
873 case LMP_OBJ_CHANNEL_STATUS:
874 switch(lmp_obj_ctype) {
875 case LMP_CTYPE_IPV4:
876 offset = 0;
877 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
878 while (offset+8 <= obj_tlen) {
879 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
880 ipaddr_string(ndo, obj_tptr+offset),
881 EXTRACT_32BITS(obj_tptr+offset)));
882
883 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
884 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
885 "Allocated" : "Non-allocated",
886 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
887
888 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
889 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
890 "Transmit" : "Receive",
891 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
892
893 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
894 tok2str(lmp_obj_channel_status_values,
895 "Unknown",
896 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
897 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
898 offset+=8;
899 }
900 break;
901
902 case LMP_CTYPE_IPV6:
903 offset = 0;
904 /* Decode pairs: <Interface_ID (16 bytes), Channel_status (4 bytes)> */
905 while (offset+20 <= obj_tlen) {
906 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
907 ip6addr_string(ndo, obj_tptr+offset),
908 EXTRACT_32BITS(obj_tptr+offset)));
909
910 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
911 (EXTRACT_32BITS(obj_tptr+offset+16)>>31) ?
912 "Allocated" : "Non-allocated",
913 (EXTRACT_32BITS(obj_tptr+offset+16)>>31)));
914
915 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
916 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1 ?
917 "Transmit" : "Receive",
918 (EXTRACT_32BITS(obj_tptr+offset+16)>>30)&0x1));
919
920 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
921 tok2str(lmp_obj_channel_status_values,
922 "Unknown",
923 EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF),
924 EXTRACT_32BITS(obj_tptr+offset+16)&0x3FFFFFF));
925 offset+=20;
926 }
927 break;
928
929 case LMP_CTYPE_UNMD:
930 offset = 0;
931 /* Decode pairs: <Interface_ID (4 bytes), Channel_status (4 bytes)> */
932 while (offset+8 <= obj_tlen) {
933 ND_PRINT((ndo, "\n\t Interface ID: %u (0x%08x)",
934 EXTRACT_32BITS(obj_tptr+offset),
935 EXTRACT_32BITS(obj_tptr+offset)));
936
937 ND_PRINT((ndo, "\n\t\t Active: %s (%u)",
938 (EXTRACT_32BITS(obj_tptr+offset+4)>>31) ?
939 "Allocated" : "Non-allocated",
940 (EXTRACT_32BITS(obj_tptr+offset+4)>>31)));
941
942 ND_PRINT((ndo, "\n\t\t Direction: %s (%u)",
943 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1 ?
944 "Transmit" : "Receive",
945 (EXTRACT_32BITS(obj_tptr+offset+4)>>30)&0x1));
946
947 ND_PRINT((ndo, "\n\t\t Channel Status: %s (%u)",
948 tok2str(lmp_obj_channel_status_values,
949 "Unknown",
950 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF),
951 EXTRACT_32BITS(obj_tptr+offset+4)&0x3FFFFFF));
952 offset+=8;
953 }
954 break;
955
956 default:
957 hexdump=TRUE;
958 }
959 break;
960
961 case LMP_OBJ_CHANNEL_STATUS_REQ:
962 switch(lmp_obj_ctype) {
963 case LMP_CTYPE_IPV4:
964 offset = 0;
965 while (offset+4 <= obj_tlen) {
966 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
967 ipaddr_string(ndo, obj_tptr+offset),
968 EXTRACT_32BITS(obj_tptr+offset)));
969 offset+=4;
970 }
971 break;
972
973 case LMP_CTYPE_IPV6:
974 offset = 0;
975 while (offset+16 <= obj_tlen) {
976 ND_PRINT((ndo, "\n\t Interface ID: %s (0x%08x)",
977 ip6addr_string(ndo, obj_tptr+offset),
978 EXTRACT_32BITS(obj_tptr+offset)));
979 offset+=16;
980 }
981 break;
982
983 case LMP_CTYPE_UNMD:
984 offset = 0;
985 while (offset+4 <= obj_tlen) {
986 ND_PRINT((ndo, "\n\t Interface ID: %u (0x%08x)",
987 EXTRACT_32BITS(obj_tptr+offset),
988 EXTRACT_32BITS(obj_tptr+offset)));
989 offset+=4;
990 }
991 break;
992
993 default:
994 hexdump=TRUE;
995 }
996 break;
997
998 case LMP_OBJ_ERROR_CODE:
999 switch(lmp_obj_ctype) {
1000 case LMP_CTYPE_BEGIN_VERIFY_ERROR:
1001 if (obj_tlen != 4) {
1002 ND_PRINT((ndo, " (not correct for object)"));
1003 break;
1004 }
1005 ND_PRINT((ndo, "\n\t Error Code: %s",
1006 bittok2str(lmp_obj_begin_verify_error_values,
1007 "none",
1008 EXTRACT_32BITS(obj_tptr))));
1009 break;
1010
1011 case LMP_CTYPE_LINK_SUMMARY_ERROR:
1012 if (obj_tlen != 4) {
1013 ND_PRINT((ndo, " (not correct for object)"));
1014 break;
1015 }
1016 ND_PRINT((ndo, "\n\t Error Code: %s",
1017 bittok2str(lmp_obj_link_summary_error_values,
1018 "none",
1019 EXTRACT_32BITS(obj_tptr))));
1020 break;
1021 default:
1022 hexdump=TRUE;
1023 }
1024 break;
1025
1026 case LMP_OBJ_SERVICE_CONFIG:
1027 switch (lmp_obj_ctype) {
1028 case LMP_CTYPE_SERVICE_CONFIG_SP:
1029 if (obj_tlen != 4) {
1030 ND_PRINT((ndo, " (not correct for object)"));
1031 break;
1032 }
1033 ND_PRINT((ndo, "\n\t Flags: %s",
1034 bittok2str(lmp_obj_service_config_sp_flag_values,
1035 "none",
1036 EXTRACT_8BITS(obj_tptr))));
1037
1038 ND_PRINT((ndo, "\n\t UNI Version: %u",
1039 EXTRACT_8BITS(obj_tptr + 1)));
1040
1041 break;
1042
1043 case LMP_CTYPE_SERVICE_CONFIG_CPSA:
1044 if (obj_tlen != 16) {
1045 ND_PRINT((ndo, " (not correct for object)"));
1046 break;
1047 }
1048
1049 link_type = EXTRACT_8BITS(obj_tptr);
1050
1051 ND_PRINT((ndo, "\n\t Link Type: %s (%u)",
1052 tok2str(lmp_sd_service_config_cpsa_link_type_values,
1053 "Unknown", link_type),
1054 link_type));
1055
1056 switch (link_type) {
1057 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SDH:
1058 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1059 tok2str(lmp_sd_service_config_cpsa_signal_type_sdh_values,
1060 "Unknown",
1061 EXTRACT_8BITS(obj_tptr + 1)),
1062 EXTRACT_8BITS(obj_tptr + 1)));
1063 break;
1064
1065 case LMP_SD_SERVICE_CONFIG_CPSA_LINK_TYPE_SONET:
1066 ND_PRINT((ndo, "\n\t Signal Type: %s (%u)",
1067 tok2str(lmp_sd_service_config_cpsa_signal_type_sonet_values,
1068 "Unknown",
1069 EXTRACT_8BITS(obj_tptr + 1)),
1070 EXTRACT_8BITS(obj_tptr + 1)));
1071 break;
1072 }
1073
1074 ND_PRINT((ndo, "\n\t Transparency: %s",
1075 bittok2str(lmp_obj_service_config_cpsa_tp_flag_values,
1076 "none",
1077 EXTRACT_8BITS(obj_tptr + 2))));
1078
1079 ND_PRINT((ndo, "\n\t Contiguous Concatenation Types: %s",
1080 bittok2str(lmp_obj_service_config_cpsa_cct_flag_values,
1081 "none",
1082 EXTRACT_8BITS(obj_tptr + 3))));
1083
1084 ND_PRINT((ndo, "\n\t Minimum NCC: %u",
1085 EXTRACT_16BITS(obj_tptr+4)));
1086
1087 ND_PRINT((ndo, "\n\t Maximum NCC: %u",
1088 EXTRACT_16BITS(obj_tptr+6)));
1089
1090 ND_PRINT((ndo, "\n\t Minimum NVC:%u",
1091 EXTRACT_16BITS(obj_tptr+8)));
1092
1093 ND_PRINT((ndo, "\n\t Maximum NVC:%u",
1094 EXTRACT_16BITS(obj_tptr+10)));
1095
1096 ND_PRINT((ndo, "\n\t Local Interface ID: %s (0x%08x)",
1097 ipaddr_string(ndo, obj_tptr+12),
1098 EXTRACT_32BITS(obj_tptr+12)));
1099
1100 break;
1101
1102 case LMP_CTYPE_SERVICE_CONFIG_TRANSPARENCY_TCM:
1103 if (obj_tlen != 8) {
1104 ND_PRINT((ndo, " (not correct for object)"));
1105 break;
1106 }
1107
1108 ND_PRINT((ndo, "\n\t Transparency Flags: %s",
1109 bittok2str(
1110 lmp_obj_service_config_nsa_transparency_flag_values,
1111 "none",
1112 EXTRACT_32BITS(obj_tptr))));
1113
1114 ND_PRINT((ndo, "\n\t TCM Monitoring Flags: %s",
1115 bittok2str(
1116 lmp_obj_service_config_nsa_tcm_flag_values,
1117 "none",
1118 EXTRACT_8BITS(obj_tptr + 7))));
1119
1120 break;
1121
1122 case LMP_CTYPE_SERVICE_CONFIG_NETWORK_DIVERSITY:
1123 if (obj_tlen != 4) {
1124 ND_PRINT((ndo, " (not correct for object)"));
1125 break;
1126 }
1127
1128 ND_PRINT((ndo, "\n\t Diversity: Flags: %s",
1129 bittok2str(
1130 lmp_obj_service_config_nsa_network_diversity_flag_values,
1131 "none",
1132 EXTRACT_8BITS(obj_tptr + 3))));
1133 break;
1134
1135 default:
1136 hexdump = TRUE;
1137 }
1138
1139 break;
1140
1141 default:
1142 if (ndo->ndo_vflag <= 1)
1143 print_unknown_data(ndo,obj_tptr,"\n\t ",obj_tlen);
1144 break;
1145 }
1146 /* do we want to see an additionally hexdump ? */
1147 if (ndo->ndo_vflag > 1 || hexdump==TRUE)
1148 print_unknown_data(ndo,tptr+sizeof(struct lmp_object_header),"\n\t ",
1149 lmp_obj_len-sizeof(struct lmp_object_header));
1150
1151 tptr+=lmp_obj_len;
1152 tlen-=lmp_obj_len;
1153 }
1154 return;
1155 trunc:
1156 ND_PRINT((ndo, "%s", tstr));
1157 }
1158 /*
1159 * Local Variables:
1160 * c-style: whitesmith
1161 * c-basic-offset: 8
1162 * End:
1163 */
1164