1/* $FreeBSD: head/sys/netinet/icmp6.h 250251 2013-05-04 19:16:26Z hrs $ */
| 1/* $FreeBSD: head/sys/netinet/icmp6.h 253081 2013-07-09 09:32:06Z ae $ */
|
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#define ND_OPT_ROUTE_INFO 24 /* RFC 4191 */
301#define ND_OPT_RDNSS 25 /* RFC 6106 */
302#define ND_OPT_DNSSL 31 /* RFC 6106 */
303
304struct nd_opt_prefix_info { /* prefix information */
305 u_int8_t nd_opt_pi_type;
306 u_int8_t nd_opt_pi_len;
307 u_int8_t nd_opt_pi_prefix_len;
308 u_int8_t nd_opt_pi_flags_reserved;
309 u_int32_t nd_opt_pi_valid_time;
310 u_int32_t nd_opt_pi_preferred_time;
311 u_int32_t nd_opt_pi_reserved2;
312 struct in6_addr nd_opt_pi_prefix;
313} __packed;
314
315#define ND_OPT_PI_FLAG_ONLINK 0x80
316#define ND_OPT_PI_FLAG_AUTO 0x40
317
318struct nd_opt_rd_hdr { /* redirected header */
319 u_int8_t nd_opt_rh_type;
320 u_int8_t nd_opt_rh_len;
321 u_int16_t nd_opt_rh_reserved1;
322 u_int32_t nd_opt_rh_reserved2;
323 /* followed by IP header and data */
324} __packed;
325
326struct nd_opt_mtu { /* MTU option */
327 u_int8_t nd_opt_mtu_type;
328 u_int8_t nd_opt_mtu_len;
329 u_int16_t nd_opt_mtu_reserved;
330 u_int32_t nd_opt_mtu_mtu;
331} __packed;
332
333struct nd_opt_route_info { /* route info */
334 u_int8_t nd_opt_rti_type;
335 u_int8_t nd_opt_rti_len;
336 u_int8_t nd_opt_rti_prefixlen;
337 u_int8_t nd_opt_rti_flags;
338 u_int32_t nd_opt_rti_lifetime;
339 /* prefix follows */
340} __packed;
341
342struct nd_opt_rdnss { /* RDNSS option (RFC 6106) */
343 u_int8_t nd_opt_rdnss_type;
344 u_int8_t nd_opt_rdnss_len;
345 u_int16_t nd_opt_rdnss_reserved;
346 u_int32_t nd_opt_rdnss_lifetime;
347 /* followed by list of recursive DNS servers */
348} __packed;
349
350struct nd_opt_dnssl { /* DNSSL option (RFC 6106) */
351 u_int8_t nd_opt_dnssl_type;
352 u_int8_t nd_opt_dnssl_len;
353 u_int16_t nd_opt_dnssl_reserved;
354 u_int32_t nd_opt_dnssl_lifetime;
355 /* followed by list of DNS search domains */
356} __packed;
357
358/*
359 * icmp6 namelookup
360 */
361
362struct icmp6_namelookup {
363 struct icmp6_hdr icmp6_nl_hdr;
364 u_int8_t icmp6_nl_nonce[8];
365 int32_t icmp6_nl_ttl;
366#if 0
367 u_int8_t icmp6_nl_len;
368 u_int8_t icmp6_nl_name[3];
369#endif
370 /* could be followed by options */
371} __packed;
372
373/*
374 * icmp6 node information
375 */
376struct icmp6_nodeinfo {
377 struct icmp6_hdr icmp6_ni_hdr;
378 u_int8_t icmp6_ni_nonce[8];
379 /* could be followed by reply data */
380} __packed;
381
382#define ni_type icmp6_ni_hdr.icmp6_type
383#define ni_code icmp6_ni_hdr.icmp6_code
384#define ni_cksum icmp6_ni_hdr.icmp6_cksum
385#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
386#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
387
388#define NI_QTYPE_NOOP 0 /* NOOP */
389#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
390#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
391#define NI_QTYPE_DNSNAME 2 /* DNS Name */
392#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
393#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
394
395#if BYTE_ORDER == BIG_ENDIAN
396#define NI_SUPTYPE_FLAG_COMPRESS 0x1
397#define NI_FQDN_FLAG_VALIDTTL 0x1
398#elif BYTE_ORDER == LITTLE_ENDIAN
399#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
400#define NI_FQDN_FLAG_VALIDTTL 0x0100
401#endif
402
403#ifdef NAME_LOOKUPS_04
404#if BYTE_ORDER == BIG_ENDIAN
405#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
406#define NI_NODEADDR_FLAG_SITELOCAL 0x2
407#define NI_NODEADDR_FLAG_GLOBAL 0x4
408#define NI_NODEADDR_FLAG_ALL 0x8
409#define NI_NODEADDR_FLAG_TRUNCATE 0x10
410#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
411#elif BYTE_ORDER == LITTLE_ENDIAN
412#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
413#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
414#define NI_NODEADDR_FLAG_GLOBAL 0x0400
415#define NI_NODEADDR_FLAG_ALL 0x0800
416#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
417#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
418#endif
419#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
420#if BYTE_ORDER == BIG_ENDIAN
421#define NI_NODEADDR_FLAG_TRUNCATE 0x1
422#define NI_NODEADDR_FLAG_ALL 0x2
423#define NI_NODEADDR_FLAG_COMPAT 0x4
424#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
425#define NI_NODEADDR_FLAG_SITELOCAL 0x10
426#define NI_NODEADDR_FLAG_GLOBAL 0x20
427#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
428#elif BYTE_ORDER == LITTLE_ENDIAN
429#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
430#define NI_NODEADDR_FLAG_ALL 0x0200
431#define NI_NODEADDR_FLAG_COMPAT 0x0400
432#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
433#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
434#define NI_NODEADDR_FLAG_GLOBAL 0x2000
435#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
436#endif
437#endif
438
439struct ni_reply_fqdn {
440 u_int32_t ni_fqdn_ttl; /* TTL */
441 u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
442 u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
443} __packed;
444
445/*
446 * Router Renumbering. as router-renum-08.txt
447 */
448struct icmp6_router_renum { /* router renumbering header */
449 struct icmp6_hdr rr_hdr;
450 u_int8_t rr_segnum;
451 u_int8_t rr_flags;
452 u_int16_t rr_maxdelay;
453 u_int32_t rr_reserved;
454} __packed;
455
456#define ICMP6_RR_FLAGS_TEST 0x80
457#define ICMP6_RR_FLAGS_REQRESULT 0x40
458#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
459#define ICMP6_RR_FLAGS_SPECSITE 0x10
460#define ICMP6_RR_FLAGS_PREVDONE 0x08
461
462#define rr_type rr_hdr.icmp6_type
463#define rr_code rr_hdr.icmp6_code
464#define rr_cksum rr_hdr.icmp6_cksum
465#define rr_seqnum rr_hdr.icmp6_data32[0]
466
467struct rr_pco_match { /* match prefix part */
468 u_int8_t rpm_code;
469 u_int8_t rpm_len;
470 u_int8_t rpm_ordinal;
471 u_int8_t rpm_matchlen;
472 u_int8_t rpm_minlen;
473 u_int8_t rpm_maxlen;
474 u_int16_t rpm_reserved;
475 struct in6_addr rpm_prefix;
476} __packed;
477
478#define RPM_PCO_ADD 1
479#define RPM_PCO_CHANGE 2
480#define RPM_PCO_SETGLOBAL 3
481#define RPM_PCO_MAX 4
482
483struct rr_pco_use { /* use prefix part */
484 u_int8_t rpu_uselen;
485 u_int8_t rpu_keeplen;
486 u_int8_t rpu_ramask;
487 u_int8_t rpu_raflags;
488 u_int32_t rpu_vltime;
489 u_int32_t rpu_pltime;
490 u_int32_t rpu_flags;
491 struct in6_addr rpu_prefix;
492} __packed;
493#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
494#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
495
496#if BYTE_ORDER == BIG_ENDIAN
497#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
498#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
499#elif BYTE_ORDER == LITTLE_ENDIAN
500#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
501#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
502#endif
503
504struct rr_result { /* router renumbering result message */
505 u_int16_t rrr_flags;
506 u_int8_t rrr_ordinal;
507 u_int8_t rrr_matchedlen;
508 u_int32_t rrr_ifid;
509 struct in6_addr rrr_prefix;
510} __packed;
511#if BYTE_ORDER == BIG_ENDIAN
512#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
513#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
514#elif BYTE_ORDER == LITTLE_ENDIAN
515#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
516#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
517#endif
518
519/*
520 * icmp6 filter structures.
521 */
522
523struct icmp6_filter {
524 u_int32_t icmp6_filt[8];
525};
526
527#ifdef _KERNEL
528#define ICMP6_FILTER_SETPASSALL(filterp) \
529do { \
530 int i; u_char *p; \
531 p = (u_char *)filterp; \
532 for (i = 0; i < sizeof(struct icmp6_filter); i++) \
533 p[i] = 0xff; \
534} while (/*CONSTCOND*/ 0)
535#define ICMP6_FILTER_SETBLOCKALL(filterp) \
536 bzero(filterp, sizeof(struct icmp6_filter))
537#else /* _KERNEL */
538#define ICMP6_FILTER_SETPASSALL(filterp) \
539 memset(filterp, 0xff, sizeof(struct icmp6_filter))
540#define ICMP6_FILTER_SETBLOCKALL(filterp) \
541 memset(filterp, 0x00, sizeof(struct icmp6_filter))
542#endif /* _KERNEL */
543
544#define ICMP6_FILTER_SETPASS(type, filterp) \
545 (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
546#define ICMP6_FILTER_SETBLOCK(type, filterp) \
547 (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
548#define ICMP6_FILTER_WILLPASS(type, filterp) \
549 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
550#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
551 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
552
553/*
554 * Variables related to this implementation
555 * of the internet control message protocol version 6.
556 */
557struct icmp6errstat {
| 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#define ND_OPT_ROUTE_INFO 24 /* RFC 4191 */
301#define ND_OPT_RDNSS 25 /* RFC 6106 */
302#define ND_OPT_DNSSL 31 /* RFC 6106 */
303
304struct nd_opt_prefix_info { /* prefix information */
305 u_int8_t nd_opt_pi_type;
306 u_int8_t nd_opt_pi_len;
307 u_int8_t nd_opt_pi_prefix_len;
308 u_int8_t nd_opt_pi_flags_reserved;
309 u_int32_t nd_opt_pi_valid_time;
310 u_int32_t nd_opt_pi_preferred_time;
311 u_int32_t nd_opt_pi_reserved2;
312 struct in6_addr nd_opt_pi_prefix;
313} __packed;
314
315#define ND_OPT_PI_FLAG_ONLINK 0x80
316#define ND_OPT_PI_FLAG_AUTO 0x40
317
318struct nd_opt_rd_hdr { /* redirected header */
319 u_int8_t nd_opt_rh_type;
320 u_int8_t nd_opt_rh_len;
321 u_int16_t nd_opt_rh_reserved1;
322 u_int32_t nd_opt_rh_reserved2;
323 /* followed by IP header and data */
324} __packed;
325
326struct nd_opt_mtu { /* MTU option */
327 u_int8_t nd_opt_mtu_type;
328 u_int8_t nd_opt_mtu_len;
329 u_int16_t nd_opt_mtu_reserved;
330 u_int32_t nd_opt_mtu_mtu;
331} __packed;
332
333struct nd_opt_route_info { /* route info */
334 u_int8_t nd_opt_rti_type;
335 u_int8_t nd_opt_rti_len;
336 u_int8_t nd_opt_rti_prefixlen;
337 u_int8_t nd_opt_rti_flags;
338 u_int32_t nd_opt_rti_lifetime;
339 /* prefix follows */
340} __packed;
341
342struct nd_opt_rdnss { /* RDNSS option (RFC 6106) */
343 u_int8_t nd_opt_rdnss_type;
344 u_int8_t nd_opt_rdnss_len;
345 u_int16_t nd_opt_rdnss_reserved;
346 u_int32_t nd_opt_rdnss_lifetime;
347 /* followed by list of recursive DNS servers */
348} __packed;
349
350struct nd_opt_dnssl { /* DNSSL option (RFC 6106) */
351 u_int8_t nd_opt_dnssl_type;
352 u_int8_t nd_opt_dnssl_len;
353 u_int16_t nd_opt_dnssl_reserved;
354 u_int32_t nd_opt_dnssl_lifetime;
355 /* followed by list of DNS search domains */
356} __packed;
357
358/*
359 * icmp6 namelookup
360 */
361
362struct icmp6_namelookup {
363 struct icmp6_hdr icmp6_nl_hdr;
364 u_int8_t icmp6_nl_nonce[8];
365 int32_t icmp6_nl_ttl;
366#if 0
367 u_int8_t icmp6_nl_len;
368 u_int8_t icmp6_nl_name[3];
369#endif
370 /* could be followed by options */
371} __packed;
372
373/*
374 * icmp6 node information
375 */
376struct icmp6_nodeinfo {
377 struct icmp6_hdr icmp6_ni_hdr;
378 u_int8_t icmp6_ni_nonce[8];
379 /* could be followed by reply data */
380} __packed;
381
382#define ni_type icmp6_ni_hdr.icmp6_type
383#define ni_code icmp6_ni_hdr.icmp6_code
384#define ni_cksum icmp6_ni_hdr.icmp6_cksum
385#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
386#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
387
388#define NI_QTYPE_NOOP 0 /* NOOP */
389#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
390#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
391#define NI_QTYPE_DNSNAME 2 /* DNS Name */
392#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
393#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
394
395#if BYTE_ORDER == BIG_ENDIAN
396#define NI_SUPTYPE_FLAG_COMPRESS 0x1
397#define NI_FQDN_FLAG_VALIDTTL 0x1
398#elif BYTE_ORDER == LITTLE_ENDIAN
399#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
400#define NI_FQDN_FLAG_VALIDTTL 0x0100
401#endif
402
403#ifdef NAME_LOOKUPS_04
404#if BYTE_ORDER == BIG_ENDIAN
405#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
406#define NI_NODEADDR_FLAG_SITELOCAL 0x2
407#define NI_NODEADDR_FLAG_GLOBAL 0x4
408#define NI_NODEADDR_FLAG_ALL 0x8
409#define NI_NODEADDR_FLAG_TRUNCATE 0x10
410#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
411#elif BYTE_ORDER == LITTLE_ENDIAN
412#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
413#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
414#define NI_NODEADDR_FLAG_GLOBAL 0x0400
415#define NI_NODEADDR_FLAG_ALL 0x0800
416#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
417#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
418#endif
419#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
420#if BYTE_ORDER == BIG_ENDIAN
421#define NI_NODEADDR_FLAG_TRUNCATE 0x1
422#define NI_NODEADDR_FLAG_ALL 0x2
423#define NI_NODEADDR_FLAG_COMPAT 0x4
424#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
425#define NI_NODEADDR_FLAG_SITELOCAL 0x10
426#define NI_NODEADDR_FLAG_GLOBAL 0x20
427#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
428#elif BYTE_ORDER == LITTLE_ENDIAN
429#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
430#define NI_NODEADDR_FLAG_ALL 0x0200
431#define NI_NODEADDR_FLAG_COMPAT 0x0400
432#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
433#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
434#define NI_NODEADDR_FLAG_GLOBAL 0x2000
435#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
436#endif
437#endif
438
439struct ni_reply_fqdn {
440 u_int32_t ni_fqdn_ttl; /* TTL */
441 u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
442 u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
443} __packed;
444
445/*
446 * Router Renumbering. as router-renum-08.txt
447 */
448struct icmp6_router_renum { /* router renumbering header */
449 struct icmp6_hdr rr_hdr;
450 u_int8_t rr_segnum;
451 u_int8_t rr_flags;
452 u_int16_t rr_maxdelay;
453 u_int32_t rr_reserved;
454} __packed;
455
456#define ICMP6_RR_FLAGS_TEST 0x80
457#define ICMP6_RR_FLAGS_REQRESULT 0x40
458#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
459#define ICMP6_RR_FLAGS_SPECSITE 0x10
460#define ICMP6_RR_FLAGS_PREVDONE 0x08
461
462#define rr_type rr_hdr.icmp6_type
463#define rr_code rr_hdr.icmp6_code
464#define rr_cksum rr_hdr.icmp6_cksum
465#define rr_seqnum rr_hdr.icmp6_data32[0]
466
467struct rr_pco_match { /* match prefix part */
468 u_int8_t rpm_code;
469 u_int8_t rpm_len;
470 u_int8_t rpm_ordinal;
471 u_int8_t rpm_matchlen;
472 u_int8_t rpm_minlen;
473 u_int8_t rpm_maxlen;
474 u_int16_t rpm_reserved;
475 struct in6_addr rpm_prefix;
476} __packed;
477
478#define RPM_PCO_ADD 1
479#define RPM_PCO_CHANGE 2
480#define RPM_PCO_SETGLOBAL 3
481#define RPM_PCO_MAX 4
482
483struct rr_pco_use { /* use prefix part */
484 u_int8_t rpu_uselen;
485 u_int8_t rpu_keeplen;
486 u_int8_t rpu_ramask;
487 u_int8_t rpu_raflags;
488 u_int32_t rpu_vltime;
489 u_int32_t rpu_pltime;
490 u_int32_t rpu_flags;
491 struct in6_addr rpu_prefix;
492} __packed;
493#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
494#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
495
496#if BYTE_ORDER == BIG_ENDIAN
497#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
498#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
499#elif BYTE_ORDER == LITTLE_ENDIAN
500#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
501#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
502#endif
503
504struct rr_result { /* router renumbering result message */
505 u_int16_t rrr_flags;
506 u_int8_t rrr_ordinal;
507 u_int8_t rrr_matchedlen;
508 u_int32_t rrr_ifid;
509 struct in6_addr rrr_prefix;
510} __packed;
511#if BYTE_ORDER == BIG_ENDIAN
512#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
513#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
514#elif BYTE_ORDER == LITTLE_ENDIAN
515#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
516#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
517#endif
518
519/*
520 * icmp6 filter structures.
521 */
522
523struct icmp6_filter {
524 u_int32_t icmp6_filt[8];
525};
526
527#ifdef _KERNEL
528#define ICMP6_FILTER_SETPASSALL(filterp) \
529do { \
530 int i; u_char *p; \
531 p = (u_char *)filterp; \
532 for (i = 0; i < sizeof(struct icmp6_filter); i++) \
533 p[i] = 0xff; \
534} while (/*CONSTCOND*/ 0)
535#define ICMP6_FILTER_SETBLOCKALL(filterp) \
536 bzero(filterp, sizeof(struct icmp6_filter))
537#else /* _KERNEL */
538#define ICMP6_FILTER_SETPASSALL(filterp) \
539 memset(filterp, 0xff, sizeof(struct icmp6_filter))
540#define ICMP6_FILTER_SETBLOCKALL(filterp) \
541 memset(filterp, 0x00, sizeof(struct icmp6_filter))
542#endif /* _KERNEL */
543
544#define ICMP6_FILTER_SETPASS(type, filterp) \
545 (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
546#define ICMP6_FILTER_SETBLOCK(type, filterp) \
547 (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
548#define ICMP6_FILTER_WILLPASS(type, filterp) \
549 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
550#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
551 ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
552
553/*
554 * Variables related to this implementation
555 * of the internet control message protocol version 6.
556 */
557struct icmp6errstat {
|
558 u_quad_t icp6errs_dst_unreach_noroute;
559 u_quad_t icp6errs_dst_unreach_admin;
560 u_quad_t icp6errs_dst_unreach_beyondscope;
561 u_quad_t icp6errs_dst_unreach_addr;
562 u_quad_t icp6errs_dst_unreach_noport;
563 u_quad_t icp6errs_packet_too_big;
564 u_quad_t icp6errs_time_exceed_transit;
565 u_quad_t icp6errs_time_exceed_reassembly;
566 u_quad_t icp6errs_paramprob_header;
567 u_quad_t icp6errs_paramprob_nextheader;
568 u_quad_t icp6errs_paramprob_option;
569 u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
570 u_quad_t icp6errs_unknown;
| 558 uint64_t icp6errs_dst_unreach_noroute;
559 uint64_t icp6errs_dst_unreach_admin;
560 uint64_t icp6errs_dst_unreach_beyondscope;
561 uint64_t icp6errs_dst_unreach_addr;
562 uint64_t icp6errs_dst_unreach_noport;
563 uint64_t icp6errs_packet_too_big;
564 uint64_t icp6errs_time_exceed_transit;
565 uint64_t icp6errs_time_exceed_reassembly;
566 uint64_t icp6errs_paramprob_header;
567 uint64_t icp6errs_paramprob_nextheader;
568 uint64_t icp6errs_paramprob_option;
569 uint64_t icp6errs_redirect; /* we regard redirect as an error here */
570 uint64_t icp6errs_unknown;
|
571};
572
573struct icmp6stat {
574/* statistics related to icmp6 packets generated */
| 571};
572
573struct icmp6stat {
574/* statistics related to icmp6 packets generated */
|
575 u_quad_t icp6s_error; /* # of calls to icmp6_error */
576 u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */
577 u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */
578 u_quad_t icp6s_outhist[256];
| 575 uint64_t icp6s_error; /* # of calls to icmp6_error */
576 uint64_t icp6s_canterror; /* no error 'cuz old was icmp */
577 uint64_t icp6s_toofreq; /* no error 'cuz rate limitation */
578 uint64_t icp6s_outhist[256];
|
579/* statistics related to input message processed */
| 579/* statistics related to input message processed */
|
580 u_quad_t icp6s_badcode; /* icmp6_code out of range */
581 u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
582 u_quad_t icp6s_checksum; /* bad checksum */
583 u_quad_t icp6s_badlen; /* calculated bound mismatch */
| 580 uint64_t icp6s_badcode; /* icmp6_code out of range */
581 uint64_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
582 uint64_t icp6s_checksum; /* bad checksum */
583 uint64_t icp6s_badlen; /* calculated bound mismatch */
|
584 /*
585 * number of responses: this member is inherited from netinet code, but
586 * for netinet6 code, it is already available in icp6s_outhist[].
587 */
| 584 /*
585 * number of responses: this member is inherited from netinet code, but
586 * for netinet6 code, it is already available in icp6s_outhist[].
587 */
|
588 u_quad_t icp6s_reflect;
589 u_quad_t icp6s_inhist[256];
590 u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
| 588 uint64_t icp6s_reflect;
589 uint64_t icp6s_inhist[256];
590 uint64_t icp6s_nd_toomanyopt; /* too many ND options */
|
591 struct icmp6errstat icp6s_outerrhist;
592#define icp6s_odst_unreach_noroute \
593 icp6s_outerrhist.icp6errs_dst_unreach_noroute
594#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
595#define icp6s_odst_unreach_beyondscope \
596 icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
597#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
598#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
599#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
600#define icp6s_otime_exceed_transit \
601 icp6s_outerrhist.icp6errs_time_exceed_transit
602#define icp6s_otime_exceed_reassembly \
603 icp6s_outerrhist.icp6errs_time_exceed_reassembly
604#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
605#define icp6s_oparamprob_nextheader \
606 icp6s_outerrhist.icp6errs_paramprob_nextheader
607#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
608#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
609#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
| 591 struct icmp6errstat icp6s_outerrhist;
592#define icp6s_odst_unreach_noroute \
593 icp6s_outerrhist.icp6errs_dst_unreach_noroute
594#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
595#define icp6s_odst_unreach_beyondscope \
596 icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
597#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
598#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
599#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
600#define icp6s_otime_exceed_transit \
601 icp6s_outerrhist.icp6errs_time_exceed_transit
602#define icp6s_otime_exceed_reassembly \
603 icp6s_outerrhist.icp6errs_time_exceed_reassembly
604#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
605#define icp6s_oparamprob_nextheader \
606 icp6s_outerrhist.icp6errs_paramprob_nextheader
607#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
608#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
609#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
|
610 u_quad_t icp6s_pmtuchg; /* path MTU changes */
611 u_quad_t icp6s_nd_badopt; /* bad ND options */
612 u_quad_t icp6s_badns; /* bad neighbor solicitation */
613 u_quad_t icp6s_badna; /* bad neighbor advertisement */
614 u_quad_t icp6s_badrs; /* bad router advertisement */
615 u_quad_t icp6s_badra; /* bad router advertisement */
616 u_quad_t icp6s_badredirect; /* bad redirect message */
| 610 uint64_t icp6s_pmtuchg; /* path MTU changes */
611 uint64_t icp6s_nd_badopt; /* bad ND options */
612 uint64_t icp6s_badns; /* bad neighbor solicitation */
613 uint64_t icp6s_badna; /* bad neighbor advertisement */
614 uint64_t icp6s_badrs; /* bad router advertisement */
615 uint64_t icp6s_badra; /* bad router advertisement */
616 uint64_t icp6s_badredirect; /* bad redirect message */
|
617};
618
619#ifdef _KERNEL
620/*
621 * In-kernel consumers can use these accessor macros directly to update
622 * stats.
623 */
624#define ICMP6STAT_ADD(name, val) V_icmp6stat.name += (val)
625#define ICMP6STAT_INC(name) ICMP6STAT_ADD(name, 1)
626
627/*
628 * Kernel module consumers must use this accessor macro.
629 */
630void kmod_icmp6stat_inc(int statnum);
631#define KMOD_ICMP6STAT_INC(name) \
632 kmod_icmp6stat_inc(offsetof(struct icmp6stat, name) / sizeof(u_quad_t))
633#endif
634
635/*
636 * Names for ICMP sysctl objects
637 */
638#define ICMPV6CTL_STATS 1
639#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
640#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
641#if 0 /*obsoleted*/
642#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
643#endif
644#define ICMPV6CTL_ND6_PRUNE 6
645#define ICMPV6CTL_ND6_DELAY 8
646#define ICMPV6CTL_ND6_UMAXTRIES 9
647#define ICMPV6CTL_ND6_MMAXTRIES 10
648#define ICMPV6CTL_ND6_USELOOPBACK 11
649/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
650#define ICMPV6CTL_NODEINFO 13
651#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
652#define ICMPV6CTL_ND6_MAXNUDHINT 15
653#define ICMPV6CTL_MTUDISC_HIWAT 16
654#define ICMPV6CTL_MTUDISC_LOWAT 17
655#define ICMPV6CTL_ND6_DEBUG 18
656#define ICMPV6CTL_ND6_DRLIST 19
657#define ICMPV6CTL_ND6_PRLIST 20
658#define ICMPV6CTL_MLD_MAXSRCFILTER 21
659#define ICMPV6CTL_MLD_SOMAXSRC 22
660#define ICMPV6CTL_MLD_VERSION 23
661#define ICMPV6CTL_ND6_MAXQLEN 24
662#define ICMPV6CTL_NODEINFO_OLDMCPREFIX 25
663#define ICMPV6CTL_MAXID 26
664
665#define RTF_PROBEMTU RTF_PROTO1
666
667#ifdef _KERNEL
668# ifdef __STDC__
669struct rtentry;
670struct rttimer;
671struct in6_multi;
672# endif
673void icmp6_paramerror(struct mbuf *, int);
674void icmp6_error(struct mbuf *, int, int, int);
675void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *);
676int icmp6_input(struct mbuf **, int *, int);
677void icmp6_fasttimo(void);
678void icmp6_slowtimo(void);
679void icmp6_reflect(struct mbuf *, size_t);
680void icmp6_prepare(struct mbuf *);
681void icmp6_redirect_input(struct mbuf *, int);
682void icmp6_redirect_output(struct mbuf *, struct rtentry *);
683
684struct ip6ctlparam;
685void icmp6_mtudisc_update(struct ip6ctlparam *, int);
686
687/* XXX: is this the right place for these macros? */
688#define icmp6_ifstat_inc(ifp, tag) \
689do { \
690 if (ifp) \
691 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->icmp6_ifstat->tag++; \
692} while (/*CONSTCOND*/ 0)
693
694#define icmp6_ifoutstat_inc(ifp, type, code) \
695do { \
696 icmp6_ifstat_inc(ifp, ifs6_out_msg); \
697 if (type < ICMP6_INFOMSG_MASK) \
698 icmp6_ifstat_inc(ifp, ifs6_out_error); \
699 switch (type) { \
700 case ICMP6_DST_UNREACH: \
701 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
702 if (code == ICMP6_DST_UNREACH_ADMIN) \
703 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
704 break; \
705 case ICMP6_PACKET_TOO_BIG: \
706 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
707 break; \
708 case ICMP6_TIME_EXCEEDED: \
709 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
710 break; \
711 case ICMP6_PARAM_PROB: \
712 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
713 break; \
714 case ICMP6_ECHO_REQUEST: \
715 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
716 break; \
717 case ICMP6_ECHO_REPLY: \
718 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
719 break; \
720 case MLD_LISTENER_QUERY: \
721 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
722 break; \
723 case MLD_LISTENER_REPORT: \
724 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
725 break; \
726 case MLD_LISTENER_DONE: \
727 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
728 break; \
729 case ND_ROUTER_SOLICIT: \
730 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
731 break; \
732 case ND_ROUTER_ADVERT: \
733 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
734 break; \
735 case ND_NEIGHBOR_SOLICIT: \
736 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
737 break; \
738 case ND_NEIGHBOR_ADVERT: \
739 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
740 break; \
741 case ND_REDIRECT: \
742 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
743 break; \
744 } \
745} while (/*CONSTCOND*/ 0)
746
747VNET_DECLARE(int, icmp6_rediraccept); /* accept/process redirects */
748VNET_DECLARE(int, icmp6_redirtimeout); /* cache time for redirect routes */
749
750#define V_icmp6_rediraccept VNET(icmp6_rediraccept)
751#define V_icmp6_redirtimeout VNET(icmp6_redirtimeout)
752
753#define ICMP6_NODEINFO_FQDNOK 0x1
754#define ICMP6_NODEINFO_NODEADDROK 0x2
755#define ICMP6_NODEINFO_TMPADDROK 0x4
756#define ICMP6_NODEINFO_GLOBALOK 0x8
757#endif /* _KERNEL */
758
759#endif /* not _NETINET_ICMP6_H_ */
| 617};
618
619#ifdef _KERNEL
620/*
621 * In-kernel consumers can use these accessor macros directly to update
622 * stats.
623 */
624#define ICMP6STAT_ADD(name, val) V_icmp6stat.name += (val)
625#define ICMP6STAT_INC(name) ICMP6STAT_ADD(name, 1)
626
627/*
628 * Kernel module consumers must use this accessor macro.
629 */
630void kmod_icmp6stat_inc(int statnum);
631#define KMOD_ICMP6STAT_INC(name) \
632 kmod_icmp6stat_inc(offsetof(struct icmp6stat, name) / sizeof(u_quad_t))
633#endif
634
635/*
636 * Names for ICMP sysctl objects
637 */
638#define ICMPV6CTL_STATS 1
639#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
640#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
641#if 0 /*obsoleted*/
642#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
643#endif
644#define ICMPV6CTL_ND6_PRUNE 6
645#define ICMPV6CTL_ND6_DELAY 8
646#define ICMPV6CTL_ND6_UMAXTRIES 9
647#define ICMPV6CTL_ND6_MMAXTRIES 10
648#define ICMPV6CTL_ND6_USELOOPBACK 11
649/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
650#define ICMPV6CTL_NODEINFO 13
651#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
652#define ICMPV6CTL_ND6_MAXNUDHINT 15
653#define ICMPV6CTL_MTUDISC_HIWAT 16
654#define ICMPV6CTL_MTUDISC_LOWAT 17
655#define ICMPV6CTL_ND6_DEBUG 18
656#define ICMPV6CTL_ND6_DRLIST 19
657#define ICMPV6CTL_ND6_PRLIST 20
658#define ICMPV6CTL_MLD_MAXSRCFILTER 21
659#define ICMPV6CTL_MLD_SOMAXSRC 22
660#define ICMPV6CTL_MLD_VERSION 23
661#define ICMPV6CTL_ND6_MAXQLEN 24
662#define ICMPV6CTL_NODEINFO_OLDMCPREFIX 25
663#define ICMPV6CTL_MAXID 26
664
665#define RTF_PROBEMTU RTF_PROTO1
666
667#ifdef _KERNEL
668# ifdef __STDC__
669struct rtentry;
670struct rttimer;
671struct in6_multi;
672# endif
673void icmp6_paramerror(struct mbuf *, int);
674void icmp6_error(struct mbuf *, int, int, int);
675void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *);
676int icmp6_input(struct mbuf **, int *, int);
677void icmp6_fasttimo(void);
678void icmp6_slowtimo(void);
679void icmp6_reflect(struct mbuf *, size_t);
680void icmp6_prepare(struct mbuf *);
681void icmp6_redirect_input(struct mbuf *, int);
682void icmp6_redirect_output(struct mbuf *, struct rtentry *);
683
684struct ip6ctlparam;
685void icmp6_mtudisc_update(struct ip6ctlparam *, int);
686
687/* XXX: is this the right place for these macros? */
688#define icmp6_ifstat_inc(ifp, tag) \
689do { \
690 if (ifp) \
691 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->icmp6_ifstat->tag++; \
692} while (/*CONSTCOND*/ 0)
693
694#define icmp6_ifoutstat_inc(ifp, type, code) \
695do { \
696 icmp6_ifstat_inc(ifp, ifs6_out_msg); \
697 if (type < ICMP6_INFOMSG_MASK) \
698 icmp6_ifstat_inc(ifp, ifs6_out_error); \
699 switch (type) { \
700 case ICMP6_DST_UNREACH: \
701 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
702 if (code == ICMP6_DST_UNREACH_ADMIN) \
703 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
704 break; \
705 case ICMP6_PACKET_TOO_BIG: \
706 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
707 break; \
708 case ICMP6_TIME_EXCEEDED: \
709 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
710 break; \
711 case ICMP6_PARAM_PROB: \
712 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
713 break; \
714 case ICMP6_ECHO_REQUEST: \
715 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
716 break; \
717 case ICMP6_ECHO_REPLY: \
718 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
719 break; \
720 case MLD_LISTENER_QUERY: \
721 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
722 break; \
723 case MLD_LISTENER_REPORT: \
724 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
725 break; \
726 case MLD_LISTENER_DONE: \
727 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
728 break; \
729 case ND_ROUTER_SOLICIT: \
730 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
731 break; \
732 case ND_ROUTER_ADVERT: \
733 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
734 break; \
735 case ND_NEIGHBOR_SOLICIT: \
736 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
737 break; \
738 case ND_NEIGHBOR_ADVERT: \
739 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
740 break; \
741 case ND_REDIRECT: \
742 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
743 break; \
744 } \
745} while (/*CONSTCOND*/ 0)
746
747VNET_DECLARE(int, icmp6_rediraccept); /* accept/process redirects */
748VNET_DECLARE(int, icmp6_redirtimeout); /* cache time for redirect routes */
749
750#define V_icmp6_rediraccept VNET(icmp6_rediraccept)
751#define V_icmp6_redirtimeout VNET(icmp6_redirtimeout)
752
753#define ICMP6_NODEINFO_FQDNOK 0x1
754#define ICMP6_NODEINFO_NODEADDROK 0x2
755#define ICMP6_NODEINFO_TMPADDROK 0x4
756#define ICMP6_NODEINFO_GLOBALOK 0x8
757#endif /* _KERNEL */
758
759#endif /* not _NETINET_ICMP6_H_ */
|