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1 office 1 /*
2 * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bruce M. Simpson.
16 * 4. Neither the name of Bruce M. Simpson nor the names of co-
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32  
33 #define NETDISSECT_REWORKED
34 #ifdef HAVE_CONFIG_H
35 #include "config.h"
36 #endif
37  
38 #include <tcpdump-stdinc.h>
39  
40 #include "interface.h"
41 #include "addrtoname.h"
42 #include "extract.h" /* must come after interface.h */
43  
44  
45 struct aodv_rreq {
46 uint8_t rreq_type; /* AODV message type (1) */
47 uint8_t rreq_flags; /* various flags */
48 uint8_t rreq_zero0; /* reserved, set to zero */
49 uint8_t rreq_hops; /* number of hops from originator */
50 uint32_t rreq_id; /* request ID */
51 uint32_t rreq_da; /* destination IPv4 address */
52 uint32_t rreq_ds; /* destination sequence number */
53 uint32_t rreq_oa; /* originator IPv4 address */
54 uint32_t rreq_os; /* originator sequence number */
55 };
56 #ifdef INET6
57 struct aodv_rreq6 {
58 uint8_t rreq_type; /* AODV message type (1) */
59 uint8_t rreq_flags; /* various flags */
60 uint8_t rreq_zero0; /* reserved, set to zero */
61 uint8_t rreq_hops; /* number of hops from originator */
62 uint32_t rreq_id; /* request ID */
63 struct in6_addr rreq_da; /* destination IPv6 address */
64 uint32_t rreq_ds; /* destination sequence number */
65 struct in6_addr rreq_oa; /* originator IPv6 address */
66 uint32_t rreq_os; /* originator sequence number */
67 };
68 struct aodv_rreq6_draft_01 {
69 uint8_t rreq_type; /* AODV message type (16) */
70 uint8_t rreq_flags; /* various flags */
71 uint8_t rreq_zero0; /* reserved, set to zero */
72 uint8_t rreq_hops; /* number of hops from originator */
73 uint32_t rreq_id; /* request ID */
74 uint32_t rreq_ds; /* destination sequence number */
75 uint32_t rreq_os; /* originator sequence number */
76 struct in6_addr rreq_da; /* destination IPv6 address */
77 struct in6_addr rreq_oa; /* originator IPv6 address */
78 };
79 #endif
80  
81 #define RREQ_JOIN 0x80 /* join (reserved for multicast */
82 #define RREQ_REPAIR 0x40 /* repair (reserved for multicast */
83 #define RREQ_GRAT 0x20 /* gratuitous RREP */
84 #define RREQ_DEST 0x10 /* destination only */
85 #define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */
86 #define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */
87  
88 struct aodv_rrep {
89 uint8_t rrep_type; /* AODV message type (2) */
90 uint8_t rrep_flags; /* various flags */
91 uint8_t rrep_ps; /* prefix size */
92 uint8_t rrep_hops; /* number of hops from o to d */
93 uint32_t rrep_da; /* destination IPv4 address */
94 uint32_t rrep_ds; /* destination sequence number */
95 uint32_t rrep_oa; /* originator IPv4 address */
96 uint32_t rrep_life; /* lifetime of this route */
97 };
98 #ifdef INET6
99 struct aodv_rrep6 {
100 uint8_t rrep_type; /* AODV message type (2) */
101 uint8_t rrep_flags; /* various flags */
102 uint8_t rrep_ps; /* prefix size */
103 uint8_t rrep_hops; /* number of hops from o to d */
104 struct in6_addr rrep_da; /* destination IPv6 address */
105 uint32_t rrep_ds; /* destination sequence number */
106 struct in6_addr rrep_oa; /* originator IPv6 address */
107 uint32_t rrep_life; /* lifetime of this route */
108 };
109 struct aodv_rrep6_draft_01 {
110 uint8_t rrep_type; /* AODV message type (17) */
111 uint8_t rrep_flags; /* various flags */
112 uint8_t rrep_ps; /* prefix size */
113 uint8_t rrep_hops; /* number of hops from o to d */
114 uint32_t rrep_ds; /* destination sequence number */
115 struct in6_addr rrep_da; /* destination IPv6 address */
116 struct in6_addr rrep_oa; /* originator IPv6 address */
117 uint32_t rrep_life; /* lifetime of this route */
118 };
119 #endif
120  
121 #define RREP_REPAIR 0x80 /* repair (reserved for multicast */
122 #define RREP_ACK 0x40 /* acknowledgement required */
123 #define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */
124 #define RREP_PREFIX_MASK 0x1F /* mask for prefix size */
125  
126 struct rerr_unreach {
127 uint32_t u_da; /* IPv4 address */
128 uint32_t u_ds; /* sequence number */
129 };
130 #ifdef INET6
131 struct rerr_unreach6 {
132 struct in6_addr u_da; /* IPv6 address */
133 uint32_t u_ds; /* sequence number */
134 };
135 struct rerr_unreach6_draft_01 {
136 struct in6_addr u_da; /* IPv6 address */
137 uint32_t u_ds; /* sequence number */
138 };
139 #endif
140  
141 struct aodv_rerr {
142 uint8_t rerr_type; /* AODV message type (3 or 18) */
143 uint8_t rerr_flags; /* various flags */
144 uint8_t rerr_zero0; /* reserved, set to zero */
145 uint8_t rerr_dc; /* destination count */
146 };
147  
148 #define RERR_NODELETE 0x80 /* don't delete the link */
149 #define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */
150  
151 struct aodv_rrep_ack {
152 uint8_t ra_type;
153 uint8_t ra_zero0;
154 };
155  
156 #define AODV_RREQ 1 /* route request */
157 #define AODV_RREP 2 /* route response */
158 #define AODV_RERR 3 /* error report */
159 #define AODV_RREP_ACK 4 /* route response acknowledgement */
160  
161 #define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */
162 #define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */
163 #define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */
164 #define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */
165  
166 struct aodv_ext {
167 uint8_t type; /* extension type */
168 uint8_t length; /* extension length */
169 };
170  
171 struct aodv_hello {
172 struct aodv_ext eh; /* extension header */
173 uint8_t interval[4]; /* expect my next hello in
174 * (n) ms
175 * NOTE: this is not aligned */
176 };
177  
178 #define AODV_EXT_HELLO 1
179  
180 static void
181 aodv_extension(netdissect_options *ndo,
182 const struct aodv_ext *ep, u_int length)
183 {
184 const struct aodv_hello *ah;
185  
186 switch (ep->type) {
187 case AODV_EXT_HELLO:
188 ah = (const struct aodv_hello *)(const void *)ep;
189 ND_TCHECK(*ah);
190 if (length < sizeof(struct aodv_hello))
191 goto trunc;
192 ND_PRINT((ndo, "\n\text HELLO %ld ms",
193 (unsigned long)EXTRACT_32BITS(&ah->interval)));
194 break;
195  
196 default:
197 ND_PRINT((ndo, "\n\text %u %u", ep->type, ep->length));
198 break;
199 }
200 return;
201  
202 trunc:
203 ND_PRINT((ndo, " [|hello]"));
204 }
205  
206 static void
207 aodv_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
208 {
209 u_int i;
210 const struct aodv_rreq *ap = (const struct aodv_rreq *)dat;
211  
212 ND_TCHECK(*ap);
213 if (length < sizeof(*ap))
214 goto trunc;
215 ND_PRINT((ndo, " rreq %u %s%s%s%s%shops %u id 0x%08lx\n"
216 "\tdst %s seq %lu src %s seq %lu", length,
217 ap->rreq_type & RREQ_JOIN ? "[J]" : "",
218 ap->rreq_type & RREQ_REPAIR ? "[R]" : "",
219 ap->rreq_type & RREQ_GRAT ? "[G]" : "",
220 ap->rreq_type & RREQ_DEST ? "[D]" : "",
221 ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ",
222 ap->rreq_hops,
223 (unsigned long)EXTRACT_32BITS(&ap->rreq_id),
224 ipaddr_string(ndo, &ap->rreq_da),
225 (unsigned long)EXTRACT_32BITS(&ap->rreq_ds),
226 ipaddr_string(ndo, &ap->rreq_oa),
227 (unsigned long)EXTRACT_32BITS(&ap->rreq_os)));
228 i = length - sizeof(*ap);
229 if (i >= sizeof(struct aodv_ext))
230 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
231 return;
232  
233 trunc:
234 ND_PRINT((ndo, " [|rreq"));
235 }
236  
237 static void
238 aodv_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
239 {
240 u_int i;
241 const struct aodv_rrep *ap = (const struct aodv_rrep *)dat;
242  
243 ND_TCHECK(*ap);
244 if (length < sizeof(*ap))
245 goto trunc;
246 ND_PRINT((ndo, " rrep %u %s%sprefix %u hops %u\n"
247 "\tdst %s dseq %lu src %s %lu ms", length,
248 ap->rrep_type & RREP_REPAIR ? "[R]" : "",
249 ap->rrep_type & RREP_ACK ? "[A] " : " ",
250 ap->rrep_ps & RREP_PREFIX_MASK,
251 ap->rrep_hops,
252 ipaddr_string(ndo, &ap->rrep_da),
253 (unsigned long)EXTRACT_32BITS(&ap->rrep_ds),
254 ipaddr_string(ndo, &ap->rrep_oa),
255 (unsigned long)EXTRACT_32BITS(&ap->rrep_life)));
256 i = length - sizeof(*ap);
257 if (i >= sizeof(struct aodv_ext))
258 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
259 return;
260  
261 trunc:
262 ND_PRINT((ndo, " [|rreq"));
263 }
264  
265 static void
266 aodv_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
267 {
268 u_int i, dc;
269 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
270 const struct rerr_unreach *dp;
271  
272 ND_TCHECK(*ap);
273 if (length < sizeof(*ap))
274 goto trunc;
275 ND_PRINT((ndo, " rerr %s [items %u] [%u]:",
276 ap->rerr_flags & RERR_NODELETE ? "[D]" : "",
277 ap->rerr_dc, length));
278 dp = (struct rerr_unreach *)(dat + sizeof(*ap));
279 i = length - sizeof(*ap);
280 for (dc = ap->rerr_dc; dc != 0; dc--) {
281 ND_TCHECK(*dp);
282 if (i < sizeof(*dp))
283 goto trunc;
284 ND_PRINT((ndo, " {%s}(%ld)", ipaddr_string(ndo, &dp->u_da),
285 (unsigned long)EXTRACT_32BITS(&dp->u_ds)));
286 dp++;
287 i -= sizeof(*dp);
288 }
289 return;
290  
291 trunc:
292 ND_PRINT((ndo, "[|rerr]"));
293 }
294  
295 static void
296 #ifdef INET6
297 aodv_v6_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
298 #else
299 aodv_v6_rreq(netdissect_options *ndo, const u_char *dat _U_, u_int length)
300 #endif
301 {
302 #ifdef INET6
303 u_int i;
304 const struct aodv_rreq6 *ap = (const struct aodv_rreq6 *)dat;
305  
306 ND_TCHECK(*ap);
307 if (length < sizeof(*ap))
308 goto trunc;
309 ND_PRINT((ndo, " v6 rreq %u %s%s%s%s%shops %u id 0x%08lx\n"
310 "\tdst %s seq %lu src %s seq %lu", length,
311 ap->rreq_type & RREQ_JOIN ? "[J]" : "",
312 ap->rreq_type & RREQ_REPAIR ? "[R]" : "",
313 ap->rreq_type & RREQ_GRAT ? "[G]" : "",
314 ap->rreq_type & RREQ_DEST ? "[D]" : "",
315 ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ",
316 ap->rreq_hops,
317 (unsigned long)EXTRACT_32BITS(&ap->rreq_id),
318 ip6addr_string(ndo, &ap->rreq_da),
319 (unsigned long)EXTRACT_32BITS(&ap->rreq_ds),
320 ip6addr_string(ndo, &ap->rreq_oa),
321 (unsigned long)EXTRACT_32BITS(&ap->rreq_os)));
322 i = length - sizeof(*ap);
323 if (i >= sizeof(struct aodv_ext))
324 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
325 return;
326  
327 trunc:
328 ND_PRINT((ndo, " [|rreq"));
329 #else
330 ND_PRINT((ndo, " v6 rreq %u", length));
331 #endif
332 }
333  
334 static void
335 #ifdef INET6
336 aodv_v6_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
337 #else
338 aodv_v6_rrep(netdissect_options *ndo, const u_char *dat _U_, u_int length)
339 #endif
340 {
341 #ifdef INET6
342 u_int i;
343 const struct aodv_rrep6 *ap = (const struct aodv_rrep6 *)dat;
344  
345 ND_TCHECK(*ap);
346 if (length < sizeof(*ap))
347 goto trunc;
348 ND_PRINT((ndo, " rrep %u %s%sprefix %u hops %u\n"
349 "\tdst %s dseq %lu src %s %lu ms", length,
350 ap->rrep_type & RREP_REPAIR ? "[R]" : "",
351 ap->rrep_type & RREP_ACK ? "[A] " : " ",
352 ap->rrep_ps & RREP_PREFIX_MASK,
353 ap->rrep_hops,
354 ip6addr_string(ndo, &ap->rrep_da),
355 (unsigned long)EXTRACT_32BITS(&ap->rrep_ds),
356 ip6addr_string(ndo, &ap->rrep_oa),
357 (unsigned long)EXTRACT_32BITS(&ap->rrep_life)));
358 i = length - sizeof(*ap);
359 if (i >= sizeof(struct aodv_ext))
360 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
361 return;
362  
363 trunc:
364 ND_PRINT((ndo, " [|rreq"));
365 #else
366 ND_PRINT((ndo, " rrep %u", length));
367 #endif
368 }
369  
370 static void
371 #ifdef INET6
372 aodv_v6_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
373 #else
374 aodv_v6_rerr(netdissect_options *ndo, const u_char *dat _U_, u_int length)
375 #endif
376 {
377 #ifdef INET6
378 u_int i, dc;
379 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
380 const struct rerr_unreach6 *dp6;
381  
382 ND_TCHECK(*ap);
383 if (length < sizeof(*ap))
384 goto trunc;
385 ND_PRINT((ndo, " rerr %s [items %u] [%u]:",
386 ap->rerr_flags & RERR_NODELETE ? "[D]" : "",
387 ap->rerr_dc, length));
388 dp6 = (struct rerr_unreach6 *)(void *)(ap + 1);
389 i = length - sizeof(*ap);
390 for (dc = ap->rerr_dc; dc != 0; dc--) {
391 ND_TCHECK(*dp6);
392 if (i < sizeof(*dp6))
393 goto trunc;
394 ND_PRINT((ndo, " {%s}(%ld)", ip6addr_string(ndo, &dp6->u_da),
395 (unsigned long)EXTRACT_32BITS(&dp6->u_ds)));
396 dp6++;
397 i -= sizeof(*dp6);
398 }
399 return;
400  
401 trunc:
402 ND_PRINT((ndo, "[|rerr]"));
403 #else
404 ND_PRINT((ndo, " rerr %u", length));
405 #endif
406 }
407  
408 static void
409 #ifdef INET6
410 aodv_v6_draft_01_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
411 #else
412 aodv_v6_draft_01_rreq(netdissect_options *ndo, const u_char *dat _U_, u_int length)
413 #endif
414 {
415 #ifdef INET6
416 u_int i;
417 const struct aodv_rreq6_draft_01 *ap = (const struct aodv_rreq6_draft_01 *)dat;
418  
419 ND_TCHECK(*ap);
420 if (length < sizeof(*ap))
421 goto trunc;
422 ND_PRINT((ndo, " rreq %u %s%s%s%s%shops %u id 0x%08lx\n"
423 "\tdst %s seq %lu src %s seq %lu", length,
424 ap->rreq_type & RREQ_JOIN ? "[J]" : "",
425 ap->rreq_type & RREQ_REPAIR ? "[R]" : "",
426 ap->rreq_type & RREQ_GRAT ? "[G]" : "",
427 ap->rreq_type & RREQ_DEST ? "[D]" : "",
428 ap->rreq_type & RREQ_UNKNOWN ? "[U] " : " ",
429 ap->rreq_hops,
430 (unsigned long)EXTRACT_32BITS(&ap->rreq_id),
431 ip6addr_string(ndo, &ap->rreq_da),
432 (unsigned long)EXTRACT_32BITS(&ap->rreq_ds),
433 ip6addr_string(ndo, &ap->rreq_oa),
434 (unsigned long)EXTRACT_32BITS(&ap->rreq_os)));
435 i = length - sizeof(*ap);
436 if (i >= sizeof(struct aodv_ext))
437 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
438 return;
439  
440 trunc:
441 ND_PRINT((ndo, " [|rreq"));
442 #else
443 ND_PRINT((ndo, " rreq %u", length));
444 #endif
445 }
446  
447 static void
448 #ifdef INET6
449 aodv_v6_draft_01_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
450 #else
451 aodv_v6_draft_01_rrep(netdissect_options *ndo, const u_char *dat _U_, u_int length)
452 #endif
453 {
454 #ifdef INET6
455 u_int i;
456 const struct aodv_rrep6_draft_01 *ap = (const struct aodv_rrep6_draft_01 *)dat;
457  
458 ND_TCHECK(*ap);
459 if (length < sizeof(*ap))
460 goto trunc;
461 ND_PRINT((ndo, " rrep %u %s%sprefix %u hops %u\n"
462 "\tdst %s dseq %lu src %s %lu ms", length,
463 ap->rrep_type & RREP_REPAIR ? "[R]" : "",
464 ap->rrep_type & RREP_ACK ? "[A] " : " ",
465 ap->rrep_ps & RREP_PREFIX_MASK,
466 ap->rrep_hops,
467 ip6addr_string(ndo, &ap->rrep_da),
468 (unsigned long)EXTRACT_32BITS(&ap->rrep_ds),
469 ip6addr_string(ndo, &ap->rrep_oa),
470 (unsigned long)EXTRACT_32BITS(&ap->rrep_life)));
471 i = length - sizeof(*ap);
472 if (i >= sizeof(struct aodv_ext))
473 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
474 return;
475  
476 trunc:
477 ND_PRINT((ndo, " [|rreq"));
478 #else
479 ND_PRINT((ndo, " rrep %u", length));
480 #endif
481 }
482  
483 static void
484 #ifdef INET6
485 aodv_v6_draft_01_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
486 #else
487 aodv_v6_draft_01_rerr(netdissect_options *ndo, const u_char *dat _U_, u_int length)
488 #endif
489 {
490 #ifdef INET6
491 u_int i, dc;
492 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
493 const struct rerr_unreach6_draft_01 *dp6;
494  
495 ND_TCHECK(*ap);
496 if (length < sizeof(*ap))
497 goto trunc;
498 ND_PRINT((ndo, " rerr %s [items %u] [%u]:",
499 ap->rerr_flags & RERR_NODELETE ? "[D]" : "",
500 ap->rerr_dc, length));
501 dp6 = (struct rerr_unreach6_draft_01 *)(void *)(ap + 1);
502 i = length - sizeof(*ap);
503 for (dc = ap->rerr_dc; dc != 0; dc--) {
504 ND_TCHECK(*dp6);
505 if (i < sizeof(*dp6))
506 goto trunc;
507 ND_PRINT((ndo, " {%s}(%ld)", ip6addr_string(ndo, &dp6->u_da),
508 (unsigned long)EXTRACT_32BITS(&dp6->u_ds)));
509 dp6++;
510 i -= sizeof(*dp6);
511 }
512 return;
513  
514 trunc:
515 ND_PRINT((ndo, "[|rerr]"));
516 #else
517 ND_PRINT((ndo, " rerr %u", length));
518 #endif
519 }
520  
521 void
522 aodv_print(netdissect_options *ndo,
523 const u_char *dat, u_int length, int is_ip6)
524 {
525 uint8_t msg_type;
526  
527 /*
528 * The message type is the first byte; make sure we have it
529 * and then fetch it.
530 */
531 ND_TCHECK(*dat);
532 msg_type = *dat;
533 ND_PRINT((ndo, " aodv"));
534  
535 switch (msg_type) {
536  
537 case AODV_RREQ:
538 if (is_ip6)
539 aodv_v6_rreq(ndo, dat, length);
540 else
541 aodv_rreq(ndo, dat, length);
542 break;
543  
544 case AODV_RREP:
545 if (is_ip6)
546 aodv_v6_rrep(ndo, dat, length);
547 else
548 aodv_rrep(ndo, dat, length);
549 break;
550  
551 case AODV_RERR:
552 if (is_ip6)
553 aodv_v6_rerr(ndo, dat, length);
554 else
555 aodv_rerr(ndo, dat, length);
556 break;
557  
558 case AODV_RREP_ACK:
559 ND_PRINT((ndo, " rrep-ack %u", length));
560 break;
561  
562 case AODV_V6_DRAFT_01_RREQ:
563 aodv_v6_draft_01_rreq(ndo, dat, length);
564 break;
565  
566 case AODV_V6_DRAFT_01_RREP:
567 aodv_v6_draft_01_rrep(ndo, dat, length);
568 break;
569  
570 case AODV_V6_DRAFT_01_RERR:
571 aodv_v6_draft_01_rerr(ndo, dat, length);
572 break;
573  
574 case AODV_V6_DRAFT_01_RREP_ACK:
575 ND_PRINT((ndo, " rrep-ack %u", length));
576 break;
577  
578 default:
579 ND_PRINT((ndo, " type %u %u", msg_type, length));
580 }
581 return;
582  
583 trunc:
584 ND_PRINT((ndo, " [|aodv]"));
585 }