2/* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */
3
4/*-
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*-
34 * Copyright (c) 1982, 1986, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 4. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
62 */
63
64#ifndef _NETINET_ICMP6_H_
65#define _NETINET_ICMP6_H_
66
67#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
68 - sizeof(struct icmp6_hdr) */
69
70struct icmp6_hdr {
71 u_int8_t icmp6_type; /* type field */
72 u_int8_t icmp6_code; /* code field */
73 u_int16_t icmp6_cksum; /* checksum field */
74 union {
75 u_int32_t icmp6_un_data32[1]; /* type-specific field */
76 u_int16_t icmp6_un_data16[2]; /* type-specific field */
77 u_int8_t icmp6_un_data8[4]; /* type-specific field */
78 } icmp6_dataun;
79} __packed;
80
81#define icmp6_data32 icmp6_dataun.icmp6_un_data32
82#define icmp6_data16 icmp6_dataun.icmp6_un_data16
83#define icmp6_data8 icmp6_dataun.icmp6_un_data8
84#define icmp6_pptr icmp6_data32[0] /* parameter prob */
85#define icmp6_mtu icmp6_data32[0] /* packet too big */
86#define icmp6_id icmp6_data16[0] /* echo request/reply */
87#define icmp6_seq icmp6_data16[1] /* echo request/reply */
88#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
89
90#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
91#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
92#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
93#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
94
95#define ICMP6_ECHO_REQUEST 128 /* echo service */
96#define ICMP6_ECHO_REPLY 129 /* echo reply */
97#define MLD_LISTENER_QUERY 130 /* multicast listener query */
98#define MLD_LISTENER_REPORT 131 /* multicast listener report */
99#define MLD_LISTENER_DONE 132 /* multicast listener done */
100#define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* RFC3542 definition */
101
102/* RFC2292 decls */
103#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
104#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
105#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
106
107#ifndef _KERNEL
108/* the followings are for backward compatibility to old KAME apps. */
109#define MLD6_LISTENER_QUERY MLD_LISTENER_QUERY
110#define MLD6_LISTENER_REPORT MLD_LISTENER_REPORT
111#define MLD6_LISTENER_DONE MLD_LISTENER_DONE
112#endif
113
114#define ND_ROUTER_SOLICIT 133 /* router solicitation */
115#define ND_ROUTER_ADVERT 134 /* router advertisement */
116#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
117#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisement */
118#define ND_REDIRECT 137 /* redirect */
119
120#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
121
122#define ICMP6_WRUREQUEST 139 /* who are you request */
123#define ICMP6_WRUREPLY 140 /* who are you reply */
124#define ICMP6_FQDN_QUERY 139 /* FQDN query */
125#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
126#define ICMP6_NI_QUERY 139 /* node information request */
127#define ICMP6_NI_REPLY 140 /* node information reply */
128#define MLDV2_LISTENER_REPORT 143 /* RFC3810 listener report */
129
130/* The definitions below are experimental. TBA */
131#define MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */
132#define MLD_MTRACE 201 /* mtrace messages */
133
134#ifndef _KERNEL
135#define MLD6_MTRACE_RESP MLD_MTRACE_RESP
136#define MLD6_MTRACE MLD_MTRACE
137#endif
138
139#define ICMP6_MAXTYPE 201
140
141#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
142#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
143#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
144#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
145#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
146#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
147
148#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
149#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
150
151#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
152#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
153#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
154
155#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
156
157#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
158#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
159#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
160
161#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
162#define ICMP6_NI_REFUSED 1 /* node information request is refused */
163#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
164
165#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
166#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
167#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
168
169/* Used in kernel only */
170#define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */
171#define ND_REDIRECT_ROUTER 1 /* redirect to a better router */
172
173/*
174 * Multicast Listener Discovery
175 */
176struct mld_hdr {
177 struct icmp6_hdr mld_icmp6_hdr;
178 struct in6_addr mld_addr; /* multicast address */
179} __packed;
180
181/* definitions to provide backward compatibility to old KAME applications */
182#ifndef _KERNEL
183#define mld6_hdr mld_hdr
184#define mld6_type mld_type
185#define mld6_code mld_code
186#define mld6_cksum mld_cksum
187#define mld6_maxdelay mld_maxdelay
188#define mld6_reserved mld_reserved
189#define mld6_addr mld_addr
190#endif
191
192/* shortcut macro definitions */
193#define mld_type mld_icmp6_hdr.icmp6_type
194#define mld_code mld_icmp6_hdr.icmp6_code
195#define mld_cksum mld_icmp6_hdr.icmp6_cksum
196#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
197#define mld_reserved mld_icmp6_hdr.icmp6_data16[1]
198#define mld_v2_reserved mld_icmp6_hdr.icmp6_data16[0]
199#define mld_v2_numrecs mld_icmp6_hdr.icmp6_data16[1]
200
201/*
202 * Neighbor Discovery
203 */
204
205struct nd_router_solicit { /* router solicitation */
206 struct icmp6_hdr nd_rs_hdr;
207 /* could be followed by options */
208} __packed;
209
210#define nd_rs_type nd_rs_hdr.icmp6_type
211#define nd_rs_code nd_rs_hdr.icmp6_code
212#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
213#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
214
215struct nd_router_advert { /* router advertisement */
216 struct icmp6_hdr nd_ra_hdr;
217 u_int32_t nd_ra_reachable; /* reachable time */
218 u_int32_t nd_ra_retransmit; /* retransmit timer */
219 /* could be followed by options */
220} __packed;
221
222#define nd_ra_type nd_ra_hdr.icmp6_type
223#define nd_ra_code nd_ra_hdr.icmp6_code
224#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
225#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
226#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
227#define ND_RA_FLAG_MANAGED 0x80
228#define ND_RA_FLAG_OTHER 0x40
229#define ND_RA_FLAG_HA 0x20
230
231/*
232 * Router preference values based on draft-draves-ipngwg-router-selection-01.
233 * These are non-standard definitions.
234 */
235#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
236
237#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
238#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
239#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
240#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
241
242#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
243
244struct nd_neighbor_solicit { /* neighbor solicitation */
245 struct icmp6_hdr nd_ns_hdr;
246 struct in6_addr nd_ns_target; /*target address */
247 /* could be followed by options */
248} __packed;
249
250#define nd_ns_type nd_ns_hdr.icmp6_type
251#define nd_ns_code nd_ns_hdr.icmp6_code
252#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
253#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
254
255struct nd_neighbor_advert { /* neighbor advertisement */
256 struct icmp6_hdr nd_na_hdr;
257 struct in6_addr nd_na_target; /* target address */
258 /* could be followed by options */
259} __packed;
260
261#define nd_na_type nd_na_hdr.icmp6_type
262#define nd_na_code nd_na_hdr.icmp6_code
263#define nd_na_cksum nd_na_hdr.icmp6_cksum
264#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
265#if BYTE_ORDER == BIG_ENDIAN
266#define ND_NA_FLAG_ROUTER 0x80000000
267#define ND_NA_FLAG_SOLICITED 0x40000000
268#define ND_NA_FLAG_OVERRIDE 0x20000000
269#else
270#if BYTE_ORDER == LITTLE_ENDIAN
271#define ND_NA_FLAG_ROUTER 0x80
272#define ND_NA_FLAG_SOLICITED 0x40
273#define ND_NA_FLAG_OVERRIDE 0x20
274#endif
275#endif
276
277struct nd_redirect { /* redirect */
278 struct icmp6_hdr nd_rd_hdr;
279 struct in6_addr nd_rd_target; /* target address */
280 struct in6_addr nd_rd_dst; /* destination address */
281 /* could be followed by options */
282} __packed;
283
284#define nd_rd_type nd_rd_hdr.icmp6_type
285#define nd_rd_code nd_rd_hdr.icmp6_code
286#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
287#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
288
289struct nd_opt_hdr { /* Neighbor discovery option header */
290 u_int8_t nd_opt_type;
291 u_int8_t nd_opt_len;
292 /* followed by option specific data*/
293} __packed;
294
295#define ND_OPT_SOURCE_LINKADDR 1
296#define ND_OPT_TARGET_LINKADDR 2
297#define ND_OPT_PREFIX_INFORMATION 3
298#define ND_OPT_REDIRECTED_HEADER 4
299#define ND_OPT_MTU 5
300
301#define ND_OPT_ROUTE_INFO 200 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
302
303struct nd_opt_prefix_info { /* prefix information */
304 u_int8_t nd_opt_pi_type;
305 u_int8_t nd_opt_pi_len;
306 u_int8_t nd_opt_pi_prefix_len;
307 u_int8_t nd_opt_pi_flags_reserved;
308 u_int32_t nd_opt_pi_valid_time;
309 u_int32_t nd_opt_pi_preferred_time;
310 u_int32_t nd_opt_pi_reserved2;
311 struct in6_addr nd_opt_pi_prefix;
312} __packed;
313
314#define ND_OPT_PI_FLAG_ONLINK 0x80
315#define ND_OPT_PI_FLAG_AUTO 0x40
316
317struct nd_opt_rd_hdr { /* redirected header */
318 u_int8_t nd_opt_rh_type;
319 u_int8_t nd_opt_rh_len;
320 u_int16_t nd_opt_rh_reserved1;
321 u_int32_t nd_opt_rh_reserved2;
322 /* followed by IP header and data */
323} __packed;
324
325struct nd_opt_mtu { /* MTU option */
326 u_int8_t nd_opt_mtu_type;
327 u_int8_t nd_opt_mtu_len;
328 u_int16_t nd_opt_mtu_reserved;
329 u_int32_t nd_opt_mtu_mtu;
330} __packed;
331
332struct nd_opt_route_info { /* route info */
333 u_int8_t nd_opt_rti_type;
334 u_int8_t nd_opt_rti_len;
335 u_int8_t nd_opt_rti_prefixlen;
336 u_int8_t nd_opt_rti_flags;
337 u_int32_t nd_opt_rti_lifetime;
338 /* prefix follows */
339} __packed;
340
341/*
342 * icmp6 namelookup
343 */
344
345struct icmp6_namelookup {
346 struct icmp6_hdr icmp6_nl_hdr;
347 u_int8_t icmp6_nl_nonce[8];
348 int32_t icmp6_nl_ttl;
349#if 0
350 u_int8_t icmp6_nl_len;
351 u_int8_t icmp6_nl_name[3];
352#endif
353 /* could be followed by options */
354} __packed;
355
356/*
357 * icmp6 node information
358 */
359struct icmp6_nodeinfo {
360 struct icmp6_hdr icmp6_ni_hdr;
361 u_int8_t icmp6_ni_nonce[8];
362 /* could be followed by reply data */
363} __packed;
364
365#define ni_type icmp6_ni_hdr.icmp6_type
366#define ni_code icmp6_ni_hdr.icmp6_code
367#define ni_cksum icmp6_ni_hdr.icmp6_cksum
368#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
369#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
370
371#define NI_QTYPE_NOOP 0 /* NOOP */
372#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
373#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
374#define NI_QTYPE_DNSNAME 2 /* DNS Name */
375#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
376#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
377
378#if BYTE_ORDER == BIG_ENDIAN
379#define NI_SUPTYPE_FLAG_COMPRESS 0x1
380#define NI_FQDN_FLAG_VALIDTTL 0x1
381#elif BYTE_ORDER == LITTLE_ENDIAN
382#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
383#define NI_FQDN_FLAG_VALIDTTL 0x0100
384#endif
385
386#ifdef NAME_LOOKUPS_04
387#if BYTE_ORDER == BIG_ENDIAN
388#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
389#define NI_NODEADDR_FLAG_SITELOCAL 0x2
390#define NI_NODEADDR_FLAG_GLOBAL 0x4
391#define NI_NODEADDR_FLAG_ALL 0x8
392#define NI_NODEADDR_FLAG_TRUNCATE 0x10
393#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
394#elif BYTE_ORDER == LITTLE_ENDIAN
395#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
396#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
397#define NI_NODEADDR_FLAG_GLOBAL 0x0400
398#define NI_NODEADDR_FLAG_ALL 0x0800
399#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
400#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
401#endif
402#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
403#if BYTE_ORDER == BIG_ENDIAN
404#define NI_NODEADDR_FLAG_TRUNCATE 0x1
405#define NI_NODEADDR_FLAG_ALL 0x2
406#define NI_NODEADDR_FLAG_COMPAT 0x4
407#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
408#define NI_NODEADDR_FLAG_SITELOCAL 0x10
409#define NI_NODEADDR_FLAG_GLOBAL 0x20
410#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
411#elif BYTE_ORDER == LITTLE_ENDIAN
412#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
413#define NI_NODEADDR_FLAG_ALL 0x0200
414#define NI_NODEADDR_FLAG_COMPAT 0x0400
415#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
416#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
417#define NI_NODEADDR_FLAG_GLOBAL 0x2000
418#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
419#endif
420#endif
421
422struct ni_reply_fqdn {
423 u_int32_t ni_fqdn_ttl; /* TTL */
424 u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
425 u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
426} __packed;
427
428/*
429 * Router Renumbering. as router-renum-08.txt
430 */
431struct icmp6_router_renum { /* router renumbering header */
432 struct icmp6_hdr rr_hdr;
433 u_int8_t rr_segnum;
434 u_int8_t rr_flags;
435 u_int16_t rr_maxdelay;
436 u_int32_t rr_reserved;
437} __packed;
438
439#define ICMP6_RR_FLAGS_TEST 0x80
440#define ICMP6_RR_FLAGS_REQRESULT 0x40
441#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
442#define ICMP6_RR_FLAGS_SPECSITE 0x10
443#define ICMP6_RR_FLAGS_PREVDONE 0x08
444
445#define rr_type rr_hdr.icmp6_type
446#define rr_code rr_hdr.icmp6_code
447#define rr_cksum rr_hdr.icmp6_cksum
448#define rr_seqnum rr_hdr.icmp6_data32[0]
449
450struct rr_pco_match { /* match prefix part */
451 u_int8_t rpm_code;
452 u_int8_t rpm_len;
453 u_int8_t rpm_ordinal;
454 u_int8_t rpm_matchlen;
455 u_int8_t rpm_minlen;
456 u_int8_t rpm_maxlen;
457 u_int16_t rpm_reserved;
458 struct in6_addr rpm_prefix;
459} __packed;
460
461#define RPM_PCO_ADD 1
462#define RPM_PCO_CHANGE 2
463#define RPM_PCO_SETGLOBAL 3
464#define RPM_PCO_MAX 4
465
466struct rr_pco_use { /* use prefix part */
467 u_int8_t rpu_uselen;
468 u_int8_t rpu_keeplen;
469 u_int8_t rpu_ramask;
470 u_int8_t rpu_raflags;
471 u_int32_t rpu_vltime;
472 u_int32_t rpu_pltime;
473 u_int32_t rpu_flags;
474 struct in6_addr rpu_prefix;
475} __packed;
476#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
477#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
478
479#if BYTE_ORDER == BIG_ENDIAN
480#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
481#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
482#elif BYTE_ORDER == LITTLE_ENDIAN
483#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
484#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
485#endif
486
487struct rr_result { /* router renumbering result message */
488 u_int16_t rrr_flags;
489 u_int8_t rrr_ordinal;
490 u_int8_t rrr_matchedlen;
491 u_int32_t rrr_ifid;
492 struct in6_addr rrr_prefix;
493} __packed;
494#if BYTE_ORDER == BIG_ENDIAN
495#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
496#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
497#elif BYTE_ORDER == LITTLE_ENDIAN
498#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
499#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
500#endif
501
502/*
503 * icmp6 filter structures.
504 */
505
506struct icmp6_filter {
507 u_int32_t icmp6_filt[8];
508};
509
510#ifdef _KERNEL
511#define ICMP6_FILTER_SETPASSALL(filterp) \
512do { \
513 int i; u_char *p; \
514 p = (u_char *)filterp; \
515 for (i = 0; i < sizeof(struct icmp6_filter); i++) \
516 p[i] = 0xff; \
517} while (/*CONSTCOND*/ 0)
518#define ICMP6_FILTER_SETBLOCKALL(filterp) \
519 bzero(filterp, sizeof(struct icmp6_filter))
520#else /* _KERNEL */
521#define ICMP6_FILTER_SETPASSALL(filterp) \
522 memset(filterp, 0xff, sizeof(struct icmp6_filter))
523#define ICMP6_FILTER_SETBLOCKALL(filterp) \
524 memset(filterp, 0x00, sizeof(struct icmp6_filter))
525#endif /* _KERNEL */
526
527#define ICMP6_FILTER_SETPASS(type, filterp) \
528 (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
529#define ICMP6_FILTER_SETBLOCK(type, filterp) \
530 (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
531#define ICMP6_FILTER_WILLPASS(type, filterp) \
532 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
533#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
534 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
535
536/*
537 * Variables related to this implementation
538 * of the internet control message protocol version 6.
539 */
540struct icmp6errstat {
541 u_quad_t icp6errs_dst_unreach_noroute;
542 u_quad_t icp6errs_dst_unreach_admin;
543 u_quad_t icp6errs_dst_unreach_beyondscope;
544 u_quad_t icp6errs_dst_unreach_addr;
545 u_quad_t icp6errs_dst_unreach_noport;
546 u_quad_t icp6errs_packet_too_big;
547 u_quad_t icp6errs_time_exceed_transit;
548 u_quad_t icp6errs_time_exceed_reassembly;
549 u_quad_t icp6errs_paramprob_header;
550 u_quad_t icp6errs_paramprob_nextheader;
551 u_quad_t icp6errs_paramprob_option;
552 u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
553 u_quad_t icp6errs_unknown;
554};
555
556struct icmp6stat {
557/* statistics related to icmp6 packets generated */
558 u_quad_t icp6s_error; /* # of calls to icmp6_error */
559 u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */
560 u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */
561 u_quad_t icp6s_outhist[256];
562/* statistics related to input message processed */
563 u_quad_t icp6s_badcode; /* icmp6_code out of range */
564 u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
565 u_quad_t icp6s_checksum; /* bad checksum */
566 u_quad_t icp6s_badlen; /* calculated bound mismatch */
567 /*
568 * number of responses: this member is inherited from netinet code, but
569 * for netinet6 code, it is already available in icp6s_outhist[].
570 */
571 u_quad_t icp6s_reflect;
572 u_quad_t icp6s_inhist[256];
573 u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
574 struct icmp6errstat icp6s_outerrhist;
575#define icp6s_odst_unreach_noroute \
576 icp6s_outerrhist.icp6errs_dst_unreach_noroute
577#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
578#define icp6s_odst_unreach_beyondscope \
579 icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
580#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
581#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
582#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
583#define icp6s_otime_exceed_transit \
584 icp6s_outerrhist.icp6errs_time_exceed_transit
585#define icp6s_otime_exceed_reassembly \
586 icp6s_outerrhist.icp6errs_time_exceed_reassembly
587#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
588#define icp6s_oparamprob_nextheader \
589 icp6s_outerrhist.icp6errs_paramprob_nextheader
590#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
591#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
592#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
593 u_quad_t icp6s_pmtuchg; /* path MTU changes */
594 u_quad_t icp6s_nd_badopt; /* bad ND options */
595 u_quad_t icp6s_badns; /* bad neighbor solicitation */
596 u_quad_t icp6s_badna; /* bad neighbor advertisement */
597 u_quad_t icp6s_badrs; /* bad router advertisement */
598 u_quad_t icp6s_badra; /* bad router advertisement */
599 u_quad_t icp6s_badredirect; /* bad redirect message */
600};
601
602#ifdef _KERNEL
| 2/* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */
3
4/*-
5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the project nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*-
34 * Copyright (c) 1982, 1986, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 4. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
62 */
63
64#ifndef _NETINET_ICMP6_H_
65#define _NETINET_ICMP6_H_
66
67#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
68 - sizeof(struct icmp6_hdr) */
69
70struct icmp6_hdr {
71 u_int8_t icmp6_type; /* type field */
72 u_int8_t icmp6_code; /* code field */
73 u_int16_t icmp6_cksum; /* checksum field */
74 union {
75 u_int32_t icmp6_un_data32[1]; /* type-specific field */
76 u_int16_t icmp6_un_data16[2]; /* type-specific field */
77 u_int8_t icmp6_un_data8[4]; /* type-specific field */
78 } icmp6_dataun;
79} __packed;
80
81#define icmp6_data32 icmp6_dataun.icmp6_un_data32
82#define icmp6_data16 icmp6_dataun.icmp6_un_data16
83#define icmp6_data8 icmp6_dataun.icmp6_un_data8
84#define icmp6_pptr icmp6_data32[0] /* parameter prob */
85#define icmp6_mtu icmp6_data32[0] /* packet too big */
86#define icmp6_id icmp6_data16[0] /* echo request/reply */
87#define icmp6_seq icmp6_data16[1] /* echo request/reply */
88#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
89
90#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
91#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
92#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
93#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
94
95#define ICMP6_ECHO_REQUEST 128 /* echo service */
96#define ICMP6_ECHO_REPLY 129 /* echo reply */
97#define MLD_LISTENER_QUERY 130 /* multicast listener query */
98#define MLD_LISTENER_REPORT 131 /* multicast listener report */
99#define MLD_LISTENER_DONE 132 /* multicast listener done */
100#define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* RFC3542 definition */
101
102/* RFC2292 decls */
103#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
104#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
105#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
106
107#ifndef _KERNEL
108/* the followings are for backward compatibility to old KAME apps. */
109#define MLD6_LISTENER_QUERY MLD_LISTENER_QUERY
110#define MLD6_LISTENER_REPORT MLD_LISTENER_REPORT
111#define MLD6_LISTENER_DONE MLD_LISTENER_DONE
112#endif
113
114#define ND_ROUTER_SOLICIT 133 /* router solicitation */
115#define ND_ROUTER_ADVERT 134 /* router advertisement */
116#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
117#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisement */
118#define ND_REDIRECT 137 /* redirect */
119
120#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
121
122#define ICMP6_WRUREQUEST 139 /* who are you request */
123#define ICMP6_WRUREPLY 140 /* who are you reply */
124#define ICMP6_FQDN_QUERY 139 /* FQDN query */
125#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
126#define ICMP6_NI_QUERY 139 /* node information request */
127#define ICMP6_NI_REPLY 140 /* node information reply */
128#define MLDV2_LISTENER_REPORT 143 /* RFC3810 listener report */
129
130/* The definitions below are experimental. TBA */
131#define MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */
132#define MLD_MTRACE 201 /* mtrace messages */
133
134#ifndef _KERNEL
135#define MLD6_MTRACE_RESP MLD_MTRACE_RESP
136#define MLD6_MTRACE MLD_MTRACE
137#endif
138
139#define ICMP6_MAXTYPE 201
140
141#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
142#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
143#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
144#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
145#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
146#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
147
148#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
149#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
150
151#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
152#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
153#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
154
155#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
156
157#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
158#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
159#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
160
161#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
162#define ICMP6_NI_REFUSED 1 /* node information request is refused */
163#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
164
165#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
166#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
167#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
168
169/* Used in kernel only */
170#define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */
171#define ND_REDIRECT_ROUTER 1 /* redirect to a better router */
172
173/*
174 * Multicast Listener Discovery
175 */
176struct mld_hdr {
177 struct icmp6_hdr mld_icmp6_hdr;
178 struct in6_addr mld_addr; /* multicast address */
179} __packed;
180
181/* definitions to provide backward compatibility to old KAME applications */
182#ifndef _KERNEL
183#define mld6_hdr mld_hdr
184#define mld6_type mld_type
185#define mld6_code mld_code
186#define mld6_cksum mld_cksum
187#define mld6_maxdelay mld_maxdelay
188#define mld6_reserved mld_reserved
189#define mld6_addr mld_addr
190#endif
191
192/* shortcut macro definitions */
193#define mld_type mld_icmp6_hdr.icmp6_type
194#define mld_code mld_icmp6_hdr.icmp6_code
195#define mld_cksum mld_icmp6_hdr.icmp6_cksum
196#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
197#define mld_reserved mld_icmp6_hdr.icmp6_data16[1]
198#define mld_v2_reserved mld_icmp6_hdr.icmp6_data16[0]
199#define mld_v2_numrecs mld_icmp6_hdr.icmp6_data16[1]
200
201/*
202 * Neighbor Discovery
203 */
204
205struct nd_router_solicit { /* router solicitation */
206 struct icmp6_hdr nd_rs_hdr;
207 /* could be followed by options */
208} __packed;
209
210#define nd_rs_type nd_rs_hdr.icmp6_type
211#define nd_rs_code nd_rs_hdr.icmp6_code
212#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
213#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
214
215struct nd_router_advert { /* router advertisement */
216 struct icmp6_hdr nd_ra_hdr;
217 u_int32_t nd_ra_reachable; /* reachable time */
218 u_int32_t nd_ra_retransmit; /* retransmit timer */
219 /* could be followed by options */
220} __packed;
221
222#define nd_ra_type nd_ra_hdr.icmp6_type
223#define nd_ra_code nd_ra_hdr.icmp6_code
224#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
225#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
226#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
227#define ND_RA_FLAG_MANAGED 0x80
228#define ND_RA_FLAG_OTHER 0x40
229#define ND_RA_FLAG_HA 0x20
230
231/*
232 * Router preference values based on draft-draves-ipngwg-router-selection-01.
233 * These are non-standard definitions.
234 */
235#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
236
237#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
238#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
239#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
240#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
241
242#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
243
244struct nd_neighbor_solicit { /* neighbor solicitation */
245 struct icmp6_hdr nd_ns_hdr;
246 struct in6_addr nd_ns_target; /*target address */
247 /* could be followed by options */
248} __packed;
249
250#define nd_ns_type nd_ns_hdr.icmp6_type
251#define nd_ns_code nd_ns_hdr.icmp6_code
252#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
253#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
254
255struct nd_neighbor_advert { /* neighbor advertisement */
256 struct icmp6_hdr nd_na_hdr;
257 struct in6_addr nd_na_target; /* target address */
258 /* could be followed by options */
259} __packed;
260
261#define nd_na_type nd_na_hdr.icmp6_type
262#define nd_na_code nd_na_hdr.icmp6_code
263#define nd_na_cksum nd_na_hdr.icmp6_cksum
264#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
265#if BYTE_ORDER == BIG_ENDIAN
266#define ND_NA_FLAG_ROUTER 0x80000000
267#define ND_NA_FLAG_SOLICITED 0x40000000
268#define ND_NA_FLAG_OVERRIDE 0x20000000
269#else
270#if BYTE_ORDER == LITTLE_ENDIAN
271#define ND_NA_FLAG_ROUTER 0x80
272#define ND_NA_FLAG_SOLICITED 0x40
273#define ND_NA_FLAG_OVERRIDE 0x20
274#endif
275#endif
276
277struct nd_redirect { /* redirect */
278 struct icmp6_hdr nd_rd_hdr;
279 struct in6_addr nd_rd_target; /* target address */
280 struct in6_addr nd_rd_dst; /* destination address */
281 /* could be followed by options */
282} __packed;
283
284#define nd_rd_type nd_rd_hdr.icmp6_type
285#define nd_rd_code nd_rd_hdr.icmp6_code
286#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
287#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
288
289struct nd_opt_hdr { /* Neighbor discovery option header */
290 u_int8_t nd_opt_type;
291 u_int8_t nd_opt_len;
292 /* followed by option specific data*/
293} __packed;
294
295#define ND_OPT_SOURCE_LINKADDR 1
296#define ND_OPT_TARGET_LINKADDR 2
297#define ND_OPT_PREFIX_INFORMATION 3
298#define ND_OPT_REDIRECTED_HEADER 4
299#define ND_OPT_MTU 5
300
301#define ND_OPT_ROUTE_INFO 200 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
302
303struct nd_opt_prefix_info { /* prefix information */
304 u_int8_t nd_opt_pi_type;
305 u_int8_t nd_opt_pi_len;
306 u_int8_t nd_opt_pi_prefix_len;
307 u_int8_t nd_opt_pi_flags_reserved;
308 u_int32_t nd_opt_pi_valid_time;
309 u_int32_t nd_opt_pi_preferred_time;
310 u_int32_t nd_opt_pi_reserved2;
311 struct in6_addr nd_opt_pi_prefix;
312} __packed;
313
314#define ND_OPT_PI_FLAG_ONLINK 0x80
315#define ND_OPT_PI_FLAG_AUTO 0x40
316
317struct nd_opt_rd_hdr { /* redirected header */
318 u_int8_t nd_opt_rh_type;
319 u_int8_t nd_opt_rh_len;
320 u_int16_t nd_opt_rh_reserved1;
321 u_int32_t nd_opt_rh_reserved2;
322 /* followed by IP header and data */
323} __packed;
324
325struct nd_opt_mtu { /* MTU option */
326 u_int8_t nd_opt_mtu_type;
327 u_int8_t nd_opt_mtu_len;
328 u_int16_t nd_opt_mtu_reserved;
329 u_int32_t nd_opt_mtu_mtu;
330} __packed;
331
332struct nd_opt_route_info { /* route info */
333 u_int8_t nd_opt_rti_type;
334 u_int8_t nd_opt_rti_len;
335 u_int8_t nd_opt_rti_prefixlen;
336 u_int8_t nd_opt_rti_flags;
337 u_int32_t nd_opt_rti_lifetime;
338 /* prefix follows */
339} __packed;
340
341/*
342 * icmp6 namelookup
343 */
344
345struct icmp6_namelookup {
346 struct icmp6_hdr icmp6_nl_hdr;
347 u_int8_t icmp6_nl_nonce[8];
348 int32_t icmp6_nl_ttl;
349#if 0
350 u_int8_t icmp6_nl_len;
351 u_int8_t icmp6_nl_name[3];
352#endif
353 /* could be followed by options */
354} __packed;
355
356/*
357 * icmp6 node information
358 */
359struct icmp6_nodeinfo {
360 struct icmp6_hdr icmp6_ni_hdr;
361 u_int8_t icmp6_ni_nonce[8];
362 /* could be followed by reply data */
363} __packed;
364
365#define ni_type icmp6_ni_hdr.icmp6_type
366#define ni_code icmp6_ni_hdr.icmp6_code
367#define ni_cksum icmp6_ni_hdr.icmp6_cksum
368#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
369#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
370
371#define NI_QTYPE_NOOP 0 /* NOOP */
372#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
373#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
374#define NI_QTYPE_DNSNAME 2 /* DNS Name */
375#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
376#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
377
378#if BYTE_ORDER == BIG_ENDIAN
379#define NI_SUPTYPE_FLAG_COMPRESS 0x1
380#define NI_FQDN_FLAG_VALIDTTL 0x1
381#elif BYTE_ORDER == LITTLE_ENDIAN
382#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
383#define NI_FQDN_FLAG_VALIDTTL 0x0100
384#endif
385
386#ifdef NAME_LOOKUPS_04
387#if BYTE_ORDER == BIG_ENDIAN
388#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
389#define NI_NODEADDR_FLAG_SITELOCAL 0x2
390#define NI_NODEADDR_FLAG_GLOBAL 0x4
391#define NI_NODEADDR_FLAG_ALL 0x8
392#define NI_NODEADDR_FLAG_TRUNCATE 0x10
393#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
394#elif BYTE_ORDER == LITTLE_ENDIAN
395#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
396#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
397#define NI_NODEADDR_FLAG_GLOBAL 0x0400
398#define NI_NODEADDR_FLAG_ALL 0x0800
399#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
400#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
401#endif
402#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
403#if BYTE_ORDER == BIG_ENDIAN
404#define NI_NODEADDR_FLAG_TRUNCATE 0x1
405#define NI_NODEADDR_FLAG_ALL 0x2
406#define NI_NODEADDR_FLAG_COMPAT 0x4
407#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
408#define NI_NODEADDR_FLAG_SITELOCAL 0x10
409#define NI_NODEADDR_FLAG_GLOBAL 0x20
410#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
411#elif BYTE_ORDER == LITTLE_ENDIAN
412#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
413#define NI_NODEADDR_FLAG_ALL 0x0200
414#define NI_NODEADDR_FLAG_COMPAT 0x0400
415#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
416#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
417#define NI_NODEADDR_FLAG_GLOBAL 0x2000
418#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
419#endif
420#endif
421
422struct ni_reply_fqdn {
423 u_int32_t ni_fqdn_ttl; /* TTL */
424 u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
425 u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
426} __packed;
427
428/*
429 * Router Renumbering. as router-renum-08.txt
430 */
431struct icmp6_router_renum { /* router renumbering header */
432 struct icmp6_hdr rr_hdr;
433 u_int8_t rr_segnum;
434 u_int8_t rr_flags;
435 u_int16_t rr_maxdelay;
436 u_int32_t rr_reserved;
437} __packed;
438
439#define ICMP6_RR_FLAGS_TEST 0x80
440#define ICMP6_RR_FLAGS_REQRESULT 0x40
441#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
442#define ICMP6_RR_FLAGS_SPECSITE 0x10
443#define ICMP6_RR_FLAGS_PREVDONE 0x08
444
445#define rr_type rr_hdr.icmp6_type
446#define rr_code rr_hdr.icmp6_code
447#define rr_cksum rr_hdr.icmp6_cksum
448#define rr_seqnum rr_hdr.icmp6_data32[0]
449
450struct rr_pco_match { /* match prefix part */
451 u_int8_t rpm_code;
452 u_int8_t rpm_len;
453 u_int8_t rpm_ordinal;
454 u_int8_t rpm_matchlen;
455 u_int8_t rpm_minlen;
456 u_int8_t rpm_maxlen;
457 u_int16_t rpm_reserved;
458 struct in6_addr rpm_prefix;
459} __packed;
460
461#define RPM_PCO_ADD 1
462#define RPM_PCO_CHANGE 2
463#define RPM_PCO_SETGLOBAL 3
464#define RPM_PCO_MAX 4
465
466struct rr_pco_use { /* use prefix part */
467 u_int8_t rpu_uselen;
468 u_int8_t rpu_keeplen;
469 u_int8_t rpu_ramask;
470 u_int8_t rpu_raflags;
471 u_int32_t rpu_vltime;
472 u_int32_t rpu_pltime;
473 u_int32_t rpu_flags;
474 struct in6_addr rpu_prefix;
475} __packed;
476#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
477#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
478
479#if BYTE_ORDER == BIG_ENDIAN
480#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
481#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
482#elif BYTE_ORDER == LITTLE_ENDIAN
483#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
484#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
485#endif
486
487struct rr_result { /* router renumbering result message */
488 u_int16_t rrr_flags;
489 u_int8_t rrr_ordinal;
490 u_int8_t rrr_matchedlen;
491 u_int32_t rrr_ifid;
492 struct in6_addr rrr_prefix;
493} __packed;
494#if BYTE_ORDER == BIG_ENDIAN
495#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
496#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
497#elif BYTE_ORDER == LITTLE_ENDIAN
498#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
499#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
500#endif
501
502/*
503 * icmp6 filter structures.
504 */
505
506struct icmp6_filter {
507 u_int32_t icmp6_filt[8];
508};
509
510#ifdef _KERNEL
511#define ICMP6_FILTER_SETPASSALL(filterp) \
512do { \
513 int i; u_char *p; \
514 p = (u_char *)filterp; \
515 for (i = 0; i < sizeof(struct icmp6_filter); i++) \
516 p[i] = 0xff; \
517} while (/*CONSTCOND*/ 0)
518#define ICMP6_FILTER_SETBLOCKALL(filterp) \
519 bzero(filterp, sizeof(struct icmp6_filter))
520#else /* _KERNEL */
521#define ICMP6_FILTER_SETPASSALL(filterp) \
522 memset(filterp, 0xff, sizeof(struct icmp6_filter))
523#define ICMP6_FILTER_SETBLOCKALL(filterp) \
524 memset(filterp, 0x00, sizeof(struct icmp6_filter))
525#endif /* _KERNEL */
526
527#define ICMP6_FILTER_SETPASS(type, filterp) \
528 (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
529#define ICMP6_FILTER_SETBLOCK(type, filterp) \
530 (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
531#define ICMP6_FILTER_WILLPASS(type, filterp) \
532 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
533#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
534 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
535
536/*
537 * Variables related to this implementation
538 * of the internet control message protocol version 6.
539 */
540struct icmp6errstat {
541 u_quad_t icp6errs_dst_unreach_noroute;
542 u_quad_t icp6errs_dst_unreach_admin;
543 u_quad_t icp6errs_dst_unreach_beyondscope;
544 u_quad_t icp6errs_dst_unreach_addr;
545 u_quad_t icp6errs_dst_unreach_noport;
546 u_quad_t icp6errs_packet_too_big;
547 u_quad_t icp6errs_time_exceed_transit;
548 u_quad_t icp6errs_time_exceed_reassembly;
549 u_quad_t icp6errs_paramprob_header;
550 u_quad_t icp6errs_paramprob_nextheader;
551 u_quad_t icp6errs_paramprob_option;
552 u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
553 u_quad_t icp6errs_unknown;
554};
555
556struct icmp6stat {
557/* statistics related to icmp6 packets generated */
558 u_quad_t icp6s_error; /* # of calls to icmp6_error */
559 u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */
560 u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */
561 u_quad_t icp6s_outhist[256];
562/* statistics related to input message processed */
563 u_quad_t icp6s_badcode; /* icmp6_code out of range */
564 u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
565 u_quad_t icp6s_checksum; /* bad checksum */
566 u_quad_t icp6s_badlen; /* calculated bound mismatch */
567 /*
568 * number of responses: this member is inherited from netinet code, but
569 * for netinet6 code, it is already available in icp6s_outhist[].
570 */
571 u_quad_t icp6s_reflect;
572 u_quad_t icp6s_inhist[256];
573 u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
574 struct icmp6errstat icp6s_outerrhist;
575#define icp6s_odst_unreach_noroute \
576 icp6s_outerrhist.icp6errs_dst_unreach_noroute
577#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
578#define icp6s_odst_unreach_beyondscope \
579 icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
580#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
581#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
582#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
583#define icp6s_otime_exceed_transit \
584 icp6s_outerrhist.icp6errs_time_exceed_transit
585#define icp6s_otime_exceed_reassembly \
586 icp6s_outerrhist.icp6errs_time_exceed_reassembly
587#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
588#define icp6s_oparamprob_nextheader \
589 icp6s_outerrhist.icp6errs_paramprob_nextheader
590#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
591#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
592#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
593 u_quad_t icp6s_pmtuchg; /* path MTU changes */
594 u_quad_t icp6s_nd_badopt; /* bad ND options */
595 u_quad_t icp6s_badns; /* bad neighbor solicitation */
596 u_quad_t icp6s_badna; /* bad neighbor advertisement */
597 u_quad_t icp6s_badrs; /* bad router advertisement */
598 u_quad_t icp6s_badra; /* bad router advertisement */
599 u_quad_t icp6s_badredirect; /* bad redirect message */
600};
601
602#ifdef _KERNEL
|
605#endif
606
607/*
608 * Names for ICMP sysctl objects
609 */
610#define ICMPV6CTL_STATS 1
611#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
612#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
613#if 0 /*obsoleted*/
614#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
615#endif
616#define ICMPV6CTL_ND6_PRUNE 6
617#define ICMPV6CTL_ND6_DELAY 8
618#define ICMPV6CTL_ND6_UMAXTRIES 9
619#define ICMPV6CTL_ND6_MMAXTRIES 10
620#define ICMPV6CTL_ND6_USELOOPBACK 11
621/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
622#define ICMPV6CTL_NODEINFO 13
623#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
624#define ICMPV6CTL_ND6_MAXNUDHINT 15
625#define ICMPV6CTL_MTUDISC_HIWAT 16
626#define ICMPV6CTL_MTUDISC_LOWAT 17
627#define ICMPV6CTL_ND6_DEBUG 18
628#define ICMPV6CTL_ND6_DRLIST 19
629#define ICMPV6CTL_ND6_PRLIST 20
630#define ICMPV6CTL_MLD_MAXSRCFILTER 21
631#define ICMPV6CTL_MLD_SOMAXSRC 22
632#define ICMPV6CTL_MLD_VERSION 23
633#define ICMPV6CTL_ND6_MAXQLEN 24
634#define ICMPV6CTL_MAXID 25
635
636#define RTF_PROBEMTU RTF_PROTO1
637
638#ifdef _KERNEL
639# ifdef __STDC__
640struct rtentry;
641struct rttimer;
642struct in6_multi;
643# endif
644void icmp6_init(void);
645void icmp6_paramerror(struct mbuf *, int);
646void icmp6_error(struct mbuf *, int, int, int);
647void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *);
648int icmp6_input(struct mbuf **, int *, int);
649void icmp6_fasttimo(void);
650void icmp6_slowtimo(void);
651void icmp6_reflect(struct mbuf *, size_t);
652void icmp6_prepare(struct mbuf *);
653void icmp6_redirect_input(struct mbuf *, int);
654void icmp6_redirect_output(struct mbuf *, struct rtentry *);
655
656struct ip6ctlparam;
657void icmp6_mtudisc_update(struct ip6ctlparam *, int);
658
659/* XXX: is this the right place for these macros? */
660#define icmp6_ifstat_inc(ifp, tag) \
661do { \
662 if (ifp) \
663 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->icmp6_ifstat->tag++; \
664} while (/*CONSTCOND*/ 0)
665
666#define icmp6_ifoutstat_inc(ifp, type, code) \
667do { \
668 icmp6_ifstat_inc(ifp, ifs6_out_msg); \
669 if (type < ICMP6_INFOMSG_MASK) \
670 icmp6_ifstat_inc(ifp, ifs6_out_error); \
671 switch (type) { \
672 case ICMP6_DST_UNREACH: \
673 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
674 if (code == ICMP6_DST_UNREACH_ADMIN) \
675 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
676 break; \
677 case ICMP6_PACKET_TOO_BIG: \
678 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
679 break; \
680 case ICMP6_TIME_EXCEEDED: \
681 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
682 break; \
683 case ICMP6_PARAM_PROB: \
684 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
685 break; \
686 case ICMP6_ECHO_REQUEST: \
687 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
688 break; \
689 case ICMP6_ECHO_REPLY: \
690 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
691 break; \
692 case MLD_LISTENER_QUERY: \
693 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
694 break; \
695 case MLD_LISTENER_REPORT: \
696 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
697 break; \
698 case MLD_LISTENER_DONE: \
699 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
700 break; \
701 case ND_ROUTER_SOLICIT: \
702 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
703 break; \
704 case ND_ROUTER_ADVERT: \
705 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
706 break; \
707 case ND_NEIGHBOR_SOLICIT: \
708 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
709 break; \
710 case ND_NEIGHBOR_ADVERT: \
711 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
712 break; \
713 case ND_REDIRECT: \
714 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
715 break; \
716 } \
717} while (/*CONSTCOND*/ 0)
718
719VNET_DECLARE(int, icmp6_rediraccept); /* accept/process redirects */
720VNET_DECLARE(int, icmp6_redirtimeout); /* cache time for redirect routes */
721
722#define V_icmp6_rediraccept VNET(icmp6_rediraccept)
723#define V_icmp6_redirtimeout VNET(icmp6_redirtimeout)
724
725#define ICMP6_NODEINFO_FQDNOK 0x1
726#define ICMP6_NODEINFO_NODEADDROK 0x2
727#define ICMP6_NODEINFO_TMPADDROK 0x4
728#define ICMP6_NODEINFO_GLOBALOK 0x8
729#endif /* _KERNEL */
730
731#endif /* not _NETINET_ICMP6_H_ */
| 616#endif
617
618/*
619 * Names for ICMP sysctl objects
620 */
621#define ICMPV6CTL_STATS 1
622#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
623#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
624#if 0 /*obsoleted*/
625#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
626#endif
627#define ICMPV6CTL_ND6_PRUNE 6
628#define ICMPV6CTL_ND6_DELAY 8
629#define ICMPV6CTL_ND6_UMAXTRIES 9
630#define ICMPV6CTL_ND6_MMAXTRIES 10
631#define ICMPV6CTL_ND6_USELOOPBACK 11
632/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
633#define ICMPV6CTL_NODEINFO 13
634#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
635#define ICMPV6CTL_ND6_MAXNUDHINT 15
636#define ICMPV6CTL_MTUDISC_HIWAT 16
637#define ICMPV6CTL_MTUDISC_LOWAT 17
638#define ICMPV6CTL_ND6_DEBUG 18
639#define ICMPV6CTL_ND6_DRLIST 19
640#define ICMPV6CTL_ND6_PRLIST 20
641#define ICMPV6CTL_MLD_MAXSRCFILTER 21
642#define ICMPV6CTL_MLD_SOMAXSRC 22
643#define ICMPV6CTL_MLD_VERSION 23
644#define ICMPV6CTL_ND6_MAXQLEN 24
645#define ICMPV6CTL_MAXID 25
646
647#define RTF_PROBEMTU RTF_PROTO1
648
649#ifdef _KERNEL
650# ifdef __STDC__
651struct rtentry;
652struct rttimer;
653struct in6_multi;
654# endif
655void icmp6_init(void);
656void icmp6_paramerror(struct mbuf *, int);
657void icmp6_error(struct mbuf *, int, int, int);
658void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *);
659int icmp6_input(struct mbuf **, int *, int);
660void icmp6_fasttimo(void);
661void icmp6_slowtimo(void);
662void icmp6_reflect(struct mbuf *, size_t);
663void icmp6_prepare(struct mbuf *);
664void icmp6_redirect_input(struct mbuf *, int);
665void icmp6_redirect_output(struct mbuf *, struct rtentry *);
666
667struct ip6ctlparam;
668void icmp6_mtudisc_update(struct ip6ctlparam *, int);
669
670/* XXX: is this the right place for these macros? */
671#define icmp6_ifstat_inc(ifp, tag) \
672do { \
673 if (ifp) \
674 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->icmp6_ifstat->tag++; \
675} while (/*CONSTCOND*/ 0)
676
677#define icmp6_ifoutstat_inc(ifp, type, code) \
678do { \
679 icmp6_ifstat_inc(ifp, ifs6_out_msg); \
680 if (type < ICMP6_INFOMSG_MASK) \
681 icmp6_ifstat_inc(ifp, ifs6_out_error); \
682 switch (type) { \
683 case ICMP6_DST_UNREACH: \
684 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
685 if (code == ICMP6_DST_UNREACH_ADMIN) \
686 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
687 break; \
688 case ICMP6_PACKET_TOO_BIG: \
689 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
690 break; \
691 case ICMP6_TIME_EXCEEDED: \
692 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
693 break; \
694 case ICMP6_PARAM_PROB: \
695 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
696 break; \
697 case ICMP6_ECHO_REQUEST: \
698 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
699 break; \
700 case ICMP6_ECHO_REPLY: \
701 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
702 break; \
703 case MLD_LISTENER_QUERY: \
704 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
705 break; \
706 case MLD_LISTENER_REPORT: \
707 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
708 break; \
709 case MLD_LISTENER_DONE: \
710 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
711 break; \
712 case ND_ROUTER_SOLICIT: \
713 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
714 break; \
715 case ND_ROUTER_ADVERT: \
716 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
717 break; \
718 case ND_NEIGHBOR_SOLICIT: \
719 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
720 break; \
721 case ND_NEIGHBOR_ADVERT: \
722 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
723 break; \
724 case ND_REDIRECT: \
725 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
726 break; \
727 } \
728} while (/*CONSTCOND*/ 0)
729
730VNET_DECLARE(int, icmp6_rediraccept); /* accept/process redirects */
731VNET_DECLARE(int, icmp6_redirtimeout); /* cache time for redirect routes */
732
733#define V_icmp6_rediraccept VNET(icmp6_rediraccept)
734#define V_icmp6_redirtimeout VNET(icmp6_redirtimeout)
735
736#define ICMP6_NODEINFO_FQDNOK 0x1
737#define ICMP6_NODEINFO_NODEADDROK 0x2
738#define ICMP6_NODEINFO_TMPADDROK 0x4
739#define ICMP6_NODEINFO_GLOBALOK 0x8
740#endif /* _KERNEL */
741
742#endif /* not _NETINET_ICMP6_H_ */
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