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 #include <sys/cdefs.h>
34 #ifndef lint
35 __RCSID("$NetBSD: print-aodv.c,v 1.10 2024/09/02 16:15:30 christos Exp $");
36 #endif
37
38 /* \summary: Ad hoc On-Demand Distance Vector (AODV) Routing printer */
39
40 #include <config.h>
41
42 #include "netdissect-stdinc.h"
43
44 #include "netdissect.h"
45 #include "addrtoname.h"
46 #include "extract.h"
47
48 /*
49 * RFC 3561
50 */
51 struct aodv_rreq {
52 nd_uint8_t rreq_type; /* AODV message type (1) */
53 nd_uint8_t rreq_flags; /* various flags */
54 nd_uint8_t rreq_zero0; /* reserved, set to zero */
55 nd_uint8_t rreq_hops; /* number of hops from originator */
56 nd_uint32_t rreq_id; /* request ID */
57 nd_ipv4 rreq_da; /* destination IPv4 address */
58 nd_uint32_t rreq_ds; /* destination sequence number */
59 nd_ipv4 rreq_oa; /* originator IPv4 address */
60 nd_uint32_t rreq_os; /* originator sequence number */
61 };
62 struct aodv_rreq6 {
63 nd_uint8_t rreq_type; /* AODV message type (1) */
64 nd_uint8_t rreq_flags; /* various flags */
65 nd_uint8_t rreq_zero0; /* reserved, set to zero */
66 nd_uint8_t rreq_hops; /* number of hops from originator */
67 nd_uint32_t rreq_id; /* request ID */
68 nd_ipv6 rreq_da; /* destination IPv6 address */
69 nd_uint32_t rreq_ds; /* destination sequence number */
70 nd_ipv6 rreq_oa; /* originator IPv6 address */
71 nd_uint32_t rreq_os; /* originator sequence number */
72 };
73 struct aodv_rreq6_draft_01 {
74 nd_uint8_t rreq_type; /* AODV message type (16) */
75 nd_uint8_t rreq_flags; /* various flags */
76 nd_uint8_t rreq_zero0; /* reserved, set to zero */
77 nd_uint8_t rreq_hops; /* number of hops from originator */
78 nd_uint32_t rreq_id; /* request ID */
79 nd_uint32_t rreq_ds; /* destination sequence number */
80 nd_uint32_t rreq_os; /* originator sequence number */
81 nd_ipv6 rreq_da; /* destination IPv6 address */
82 nd_ipv6 rreq_oa; /* originator IPv6 address */
83 };
84
85 #define RREQ_JOIN 0x80 /* join (reserved for multicast */
86 #define RREQ_REPAIR 0x40 /* repair (reserved for multicast */
87 #define RREQ_GRAT 0x20 /* gratuitous RREP */
88 #define RREQ_DEST 0x10 /* destination only */
89 #define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */
90 #define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */
91
92 struct aodv_rrep {
93 nd_uint8_t rrep_type; /* AODV message type (2) */
94 nd_uint8_t rrep_flags; /* various flags */
95 nd_uint8_t rrep_ps; /* prefix size */
96 nd_uint8_t rrep_hops; /* number of hops from o to d */
97 nd_ipv4 rrep_da; /* destination IPv4 address */
98 nd_uint32_t rrep_ds; /* destination sequence number */
99 nd_ipv4 rrep_oa; /* originator IPv4 address */
100 nd_uint32_t rrep_life; /* lifetime of this route */
101 };
102 struct aodv_rrep6 {
103 nd_uint8_t rrep_type; /* AODV message type (2) */
104 nd_uint8_t rrep_flags; /* various flags */
105 nd_uint8_t rrep_ps; /* prefix size */
106 nd_uint8_t rrep_hops; /* number of hops from o to d */
107 nd_ipv6 rrep_da; /* destination IPv6 address */
108 nd_uint32_t rrep_ds; /* destination sequence number */
109 nd_ipv6 rrep_oa; /* originator IPv6 address */
110 nd_uint32_t rrep_life; /* lifetime of this route */
111 };
112 struct aodv_rrep6_draft_01 {
113 nd_uint8_t rrep_type; /* AODV message type (17) */
114 nd_uint8_t rrep_flags; /* various flags */
115 nd_uint8_t rrep_ps; /* prefix size */
116 nd_uint8_t rrep_hops; /* number of hops from o to d */
117 nd_uint32_t rrep_ds; /* destination sequence number */
118 nd_ipv6 rrep_da; /* destination IPv6 address */
119 nd_ipv6 rrep_oa; /* originator IPv6 address */
120 nd_uint32_t rrep_life; /* lifetime of this route */
121 };
122
123 #define RREP_REPAIR 0x80 /* repair (reserved for multicast */
124 #define RREP_ACK 0x40 /* acknowledgement required */
125 #define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */
126 #define RREP_PREFIX_MASK 0x1F /* mask for prefix size */
127
128 struct rerr_unreach {
129 nd_ipv4 u_da; /* IPv4 address */
130 nd_uint32_t u_ds; /* sequence number */
131 };
132 struct rerr_unreach6 {
133 nd_ipv6 u_da; /* IPv6 address */
134 nd_uint32_t u_ds; /* sequence number */
135 };
136 struct rerr_unreach6_draft_01 {
137 nd_ipv6 u_da; /* IPv6 address */
138 nd_uint32_t u_ds; /* sequence number */
139 };
140
141 struct aodv_rerr {
142 nd_uint8_t rerr_type; /* AODV message type (3 or 18) */
143 nd_uint8_t rerr_flags; /* various flags */
144 nd_uint8_t rerr_zero0; /* reserved, set to zero */
145 nd_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 nd_uint8_t ra_type;
153 nd_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 nd_uint8_t type; /* extension type */
168 nd_uint8_t length; /* extension length */
169 };
170
171 struct aodv_hello {
172 struct aodv_ext eh; /* extension header */
173 nd_uint32_t interval; /* 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
aodv_extension(netdissect_options * ndo,const struct aodv_ext * ep,u_int length)181 aodv_extension(netdissect_options *ndo,
182 const struct aodv_ext *ep, u_int length)
183 {
184 const struct aodv_hello *ah;
185
186 ND_TCHECK_SIZE(ep);
187 switch (GET_U_1(ep->type)) {
188 case AODV_EXT_HELLO:
189 ah = (const struct aodv_hello *)(const void *)ep;
190 ND_TCHECK_SIZE(ah);
191 if (length < sizeof(struct aodv_hello))
192 goto trunc;
193 if (GET_U_1(ep->length) < 4) {
194 ND_PRINT("\n\text HELLO - bad length %u",
195 GET_U_1(ep->length));
196 break;
197 }
198 ND_PRINT("\n\text HELLO %u ms",
199 GET_BE_U_4(ah->interval));
200 break;
201
202 default:
203 ND_PRINT("\n\text %u %u", GET_U_1(ep->type),
204 GET_U_1(ep->length));
205 break;
206 }
207 return;
208
209 trunc:
210 nd_print_trunc(ndo);
211 }
212
213 static void
aodv_rreq(netdissect_options * ndo,const u_char * dat,u_int length)214 aodv_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
215 {
216 u_int i;
217 const struct aodv_rreq *ap = (const struct aodv_rreq *)dat;
218
219 ND_TCHECK_SIZE(ap);
220 if (length < sizeof(*ap))
221 goto trunc;
222 ND_PRINT(" rreq %u %s%s%s%s%shops %u id 0x%08x\n"
223 "\tdst %s seq %u src %s seq %u", length,
224 GET_U_1(ap->rreq_type) & RREQ_JOIN ? "[J]" : "",
225 GET_U_1(ap->rreq_type) & RREQ_REPAIR ? "[R]" : "",
226 GET_U_1(ap->rreq_type) & RREQ_GRAT ? "[G]" : "",
227 GET_U_1(ap->rreq_type) & RREQ_DEST ? "[D]" : "",
228 GET_U_1(ap->rreq_type) & RREQ_UNKNOWN ? "[U] " : " ",
229 GET_U_1(ap->rreq_hops),
230 GET_BE_U_4(ap->rreq_id),
231 GET_IPADDR_STRING(ap->rreq_da),
232 GET_BE_U_4(ap->rreq_ds),
233 GET_IPADDR_STRING(ap->rreq_oa),
234 GET_BE_U_4(ap->rreq_os));
235 i = length - sizeof(*ap);
236 if (i >= sizeof(struct aodv_ext))
237 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
238 return;
239
240 trunc:
241 nd_print_trunc(ndo);
242 }
243
244 static void
aodv_rrep(netdissect_options * ndo,const u_char * dat,u_int length)245 aodv_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
246 {
247 u_int i;
248 const struct aodv_rrep *ap = (const struct aodv_rrep *)dat;
249
250 ND_TCHECK_SIZE(ap);
251 if (length < sizeof(*ap))
252 goto trunc;
253 ND_PRINT(" rrep %u %s%sprefix %u hops %u\n"
254 "\tdst %s dseq %u src %s %u ms", length,
255 GET_U_1(ap->rrep_type) & RREP_REPAIR ? "[R]" : "",
256 GET_U_1(ap->rrep_type) & RREP_ACK ? "[A] " : " ",
257 GET_U_1(ap->rrep_ps) & RREP_PREFIX_MASK,
258 GET_U_1(ap->rrep_hops),
259 GET_IPADDR_STRING(ap->rrep_da),
260 GET_BE_U_4(ap->rrep_ds),
261 GET_IPADDR_STRING(ap->rrep_oa),
262 GET_BE_U_4(ap->rrep_life));
263 i = length - sizeof(*ap);
264 if (i >= sizeof(struct aodv_ext))
265 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
266 return;
267
268 trunc:
269 nd_print_trunc(ndo);
270 }
271
272 static void
aodv_rerr(netdissect_options * ndo,const u_char * dat,u_int length)273 aodv_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
274 {
275 u_int i, dc;
276 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
277 const struct rerr_unreach *dp;
278
279 ND_TCHECK_SIZE(ap);
280 if (length < sizeof(*ap))
281 goto trunc;
282 ND_PRINT(" rerr %s [items %u] [%u]:",
283 GET_U_1(ap->rerr_flags) & RERR_NODELETE ? "[D]" : "",
284 GET_U_1(ap->rerr_dc), length);
285 dp = (const struct rerr_unreach *)(dat + sizeof(*ap));
286 i = length - sizeof(*ap);
287 for (dc = GET_U_1(ap->rerr_dc); dc != 0; dc--) {
288 ND_TCHECK_SIZE(dp);
289 if (i < sizeof(*dp))
290 goto trunc;
291 ND_PRINT(" {%s}(%u)", GET_IPADDR_STRING(dp->u_da),
292 GET_BE_U_4(dp->u_ds));
293 dp++;
294 i -= sizeof(*dp);
295 }
296 return;
297
298 trunc:
299 nd_print_trunc(ndo);
300 }
301
302 static void
aodv_v6_rreq(netdissect_options * ndo,const u_char * dat,u_int length)303 aodv_v6_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
304 {
305 u_int i;
306 const struct aodv_rreq6 *ap = (const struct aodv_rreq6 *)dat;
307
308 ND_TCHECK_SIZE(ap);
309 if (length < sizeof(*ap))
310 goto trunc;
311 ND_PRINT(" v6 rreq %u %s%s%s%s%shops %u id 0x%08x\n"
312 "\tdst %s seq %u src %s seq %u", length,
313 GET_U_1(ap->rreq_type) & RREQ_JOIN ? "[J]" : "",
314 GET_U_1(ap->rreq_type) & RREQ_REPAIR ? "[R]" : "",
315 GET_U_1(ap->rreq_type) & RREQ_GRAT ? "[G]" : "",
316 GET_U_1(ap->rreq_type) & RREQ_DEST ? "[D]" : "",
317 GET_U_1(ap->rreq_type) & RREQ_UNKNOWN ? "[U] " : " ",
318 GET_U_1(ap->rreq_hops),
319 GET_BE_U_4(ap->rreq_id),
320 GET_IP6ADDR_STRING(ap->rreq_da),
321 GET_BE_U_4(ap->rreq_ds),
322 GET_IP6ADDR_STRING(ap->rreq_oa),
323 GET_BE_U_4(ap->rreq_os));
324 i = length - sizeof(*ap);
325 if (i >= sizeof(struct aodv_ext))
326 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
327 return;
328
329 trunc:
330 nd_print_trunc(ndo);
331 }
332
333 static void
aodv_v6_rrep(netdissect_options * ndo,const u_char * dat,u_int length)334 aodv_v6_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
335 {
336 u_int i;
337 const struct aodv_rrep6 *ap = (const struct aodv_rrep6 *)dat;
338
339 ND_TCHECK_SIZE(ap);
340 if (length < sizeof(*ap))
341 goto trunc;
342 ND_PRINT(" rrep %u %s%sprefix %u hops %u\n"
343 "\tdst %s dseq %u src %s %u ms", length,
344 GET_U_1(ap->rrep_type) & RREP_REPAIR ? "[R]" : "",
345 GET_U_1(ap->rrep_type) & RREP_ACK ? "[A] " : " ",
346 GET_U_1(ap->rrep_ps) & RREP_PREFIX_MASK,
347 GET_U_1(ap->rrep_hops),
348 GET_IP6ADDR_STRING(ap->rrep_da),
349 GET_BE_U_4(ap->rrep_ds),
350 GET_IP6ADDR_STRING(ap->rrep_oa),
351 GET_BE_U_4(ap->rrep_life));
352 i = length - sizeof(*ap);
353 if (i >= sizeof(struct aodv_ext))
354 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
355 return;
356
357 trunc:
358 nd_print_trunc(ndo);
359 }
360
361 static void
aodv_v6_rerr(netdissect_options * ndo,const u_char * dat,u_int length)362 aodv_v6_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
363 {
364 u_int i, dc;
365 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
366 const struct rerr_unreach6 *dp6;
367
368 ND_TCHECK_SIZE(ap);
369 if (length < sizeof(*ap))
370 goto trunc;
371 ND_PRINT(" rerr %s [items %u] [%u]:",
372 GET_U_1(ap->rerr_flags) & RERR_NODELETE ? "[D]" : "",
373 GET_U_1(ap->rerr_dc), length);
374 dp6 = (const struct rerr_unreach6 *)(const void *)(ap + 1);
375 i = length - sizeof(*ap);
376 for (dc = GET_U_1(ap->rerr_dc); dc != 0; dc--) {
377 ND_TCHECK_SIZE(dp6);
378 if (i < sizeof(*dp6))
379 goto trunc;
380 ND_PRINT(" {%s}(%u)", GET_IP6ADDR_STRING(dp6->u_da),
381 GET_BE_U_4(dp6->u_ds));
382 dp6++;
383 i -= sizeof(*dp6);
384 }
385 return;
386
387 trunc:
388 nd_print_trunc(ndo);
389 }
390
391 static void
aodv_v6_draft_01_rreq(netdissect_options * ndo,const u_char * dat,u_int length)392 aodv_v6_draft_01_rreq(netdissect_options *ndo, const u_char *dat, u_int length)
393 {
394 u_int i;
395 const struct aodv_rreq6_draft_01 *ap = (const struct aodv_rreq6_draft_01 *)dat;
396
397 ND_TCHECK_SIZE(ap);
398 if (length < sizeof(*ap))
399 goto trunc;
400 ND_PRINT(" rreq %u %s%s%s%s%shops %u id 0x%08x\n"
401 "\tdst %s seq %u src %s seq %u", length,
402 GET_U_1(ap->rreq_type) & RREQ_JOIN ? "[J]" : "",
403 GET_U_1(ap->rreq_type) & RREQ_REPAIR ? "[R]" : "",
404 GET_U_1(ap->rreq_type) & RREQ_GRAT ? "[G]" : "",
405 GET_U_1(ap->rreq_type) & RREQ_DEST ? "[D]" : "",
406 GET_U_1(ap->rreq_type) & RREQ_UNKNOWN ? "[U] " : " ",
407 GET_U_1(ap->rreq_hops),
408 GET_BE_U_4(ap->rreq_id),
409 GET_IP6ADDR_STRING(ap->rreq_da),
410 GET_BE_U_4(ap->rreq_ds),
411 GET_IP6ADDR_STRING(ap->rreq_oa),
412 GET_BE_U_4(ap->rreq_os));
413 i = length - sizeof(*ap);
414 if (i >= sizeof(struct aodv_ext))
415 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
416 return;
417
418 trunc:
419 nd_print_trunc(ndo);
420 }
421
422 static void
aodv_v6_draft_01_rrep(netdissect_options * ndo,const u_char * dat,u_int length)423 aodv_v6_draft_01_rrep(netdissect_options *ndo, const u_char *dat, u_int length)
424 {
425 u_int i;
426 const struct aodv_rrep6_draft_01 *ap = (const struct aodv_rrep6_draft_01 *)dat;
427
428 ND_TCHECK_SIZE(ap);
429 if (length < sizeof(*ap))
430 goto trunc;
431 ND_PRINT(" rrep %u %s%sprefix %u hops %u\n"
432 "\tdst %s dseq %u src %s %u ms", length,
433 GET_U_1(ap->rrep_type) & RREP_REPAIR ? "[R]" : "",
434 GET_U_1(ap->rrep_type) & RREP_ACK ? "[A] " : " ",
435 GET_U_1(ap->rrep_ps) & RREP_PREFIX_MASK,
436 GET_U_1(ap->rrep_hops),
437 GET_IP6ADDR_STRING(ap->rrep_da),
438 GET_BE_U_4(ap->rrep_ds),
439 GET_IP6ADDR_STRING(ap->rrep_oa),
440 GET_BE_U_4(ap->rrep_life));
441 i = length - sizeof(*ap);
442 if (i >= sizeof(struct aodv_ext))
443 aodv_extension(ndo, (const struct aodv_ext *)(dat + sizeof(*ap)), i);
444 return;
445
446 trunc:
447 nd_print_trunc(ndo);
448 }
449
450 static void
aodv_v6_draft_01_rerr(netdissect_options * ndo,const u_char * dat,u_int length)451 aodv_v6_draft_01_rerr(netdissect_options *ndo, const u_char *dat, u_int length)
452 {
453 u_int i, dc;
454 const struct aodv_rerr *ap = (const struct aodv_rerr *)dat;
455 const struct rerr_unreach6_draft_01 *dp6;
456
457 ND_TCHECK_SIZE(ap);
458 if (length < sizeof(*ap))
459 goto trunc;
460 ND_PRINT(" rerr %s [items %u] [%u]:",
461 GET_U_1(ap->rerr_flags) & RERR_NODELETE ? "[D]" : "",
462 GET_U_1(ap->rerr_dc), length);
463 dp6 = (const struct rerr_unreach6_draft_01 *)(const void *)(ap + 1);
464 i = length - sizeof(*ap);
465 for (dc = GET_U_1(ap->rerr_dc); dc != 0; dc--) {
466 ND_TCHECK_SIZE(dp6);
467 if (i < sizeof(*dp6))
468 goto trunc;
469 ND_PRINT(" {%s}(%u)", GET_IP6ADDR_STRING(dp6->u_da),
470 GET_BE_U_4(dp6->u_ds));
471 dp6++;
472 i -= sizeof(*dp6);
473 }
474 return;
475
476 trunc:
477 nd_print_trunc(ndo);
478 }
479
480 void
aodv_print(netdissect_options * ndo,const u_char * dat,u_int length,int is_ip6)481 aodv_print(netdissect_options *ndo,
482 const u_char *dat, u_int length, int is_ip6)
483 {
484 uint8_t msg_type;
485
486 ndo->ndo_protocol = "aodv";
487 /*
488 * The message type is the first byte; make sure we have it
489 * and then fetch it.
490 */
491 msg_type = GET_U_1(dat);
492 ND_PRINT(" aodv");
493
494 switch (msg_type) {
495
496 case AODV_RREQ:
497 if (is_ip6)
498 aodv_v6_rreq(ndo, dat, length);
499 else
500 aodv_rreq(ndo, dat, length);
501 break;
502
503 case AODV_RREP:
504 if (is_ip6)
505 aodv_v6_rrep(ndo, dat, length);
506 else
507 aodv_rrep(ndo, dat, length);
508 break;
509
510 case AODV_RERR:
511 if (is_ip6)
512 aodv_v6_rerr(ndo, dat, length);
513 else
514 aodv_rerr(ndo, dat, length);
515 break;
516
517 case AODV_RREP_ACK:
518 ND_PRINT(" rrep-ack %u", length);
519 break;
520
521 case AODV_V6_DRAFT_01_RREQ:
522 aodv_v6_draft_01_rreq(ndo, dat, length);
523 break;
524
525 case AODV_V6_DRAFT_01_RREP:
526 aodv_v6_draft_01_rrep(ndo, dat, length);
527 break;
528
529 case AODV_V6_DRAFT_01_RERR:
530 aodv_v6_draft_01_rerr(ndo, dat, length);
531 break;
532
533 case AODV_V6_DRAFT_01_RREP_ACK:
534 ND_PRINT(" rrep-ack %u", length);
535 break;
536
537 default:
538 ND_PRINT(" type %u %u", msg_type, length);
539 }
540 }
541