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1/*␊
2 * Copyright (c) 2000,2008 Apple Inc. All rights reserved.␊
3 *␊
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊
5 * ␊
6 * This file contains Original Code and/or Modifications of Original Code␊
7 * as defined in and that are subject to the Apple Public Source License␊
8 * Version 2.0 (the 'License'). You may not use this file except in␊
9 * compliance with the License. The rights granted to you under the License␊
10 * may not be used to create, or enable the creation or redistribution of,␊
11 * unlawful or unlicensed copies of an Apple operating system, or to␊
12 * circumvent, violate, or enable the circumvention or violation of, any␊
13 * terms of an Apple operating system software license agreement.␊
14 * ␊
15 * Please obtain a copy of the License at␊
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.␊
17 * ␊
18 * The Original Code and all software distributed under the License are␊
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊
23 * Please see the License for the specific language governing rights and␊
24 * limitations under the License.␊
25 * ␊
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊
27 */␊
28/*␉$KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $␉*/␊
29␊
30/*␊
31 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.␊
32 * All rights reserved.␊
33 *␊
34 * Redistribution and use in source and binary forms, with or without␊
35 * modification, are permitted provided that the following conditions␊
36 * are met:␊
37 * 1. Redistributions of source code must retain the above copyright␊
38 * notice, this list of conditions and the following disclaimer.␊
39 * 2. Redistributions in binary form must reproduce the above copyright␊
40 * notice, this list of conditions and the following disclaimer in the␊
41 * documentation and/or other materials provided with the distribution.␊
42 * 3. Neither the name of the project nor the names of its contributors␊
43 * may be used to endorse or promote products derived from this software␊
44 * without specific prior written permission.␊
45 *␊
46 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND␊
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE␊
50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊
51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊
52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊
53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊
54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊
55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊
56 * SUCH DAMAGE.␊
57 */␊
58␊
59/*␊
60 * Copyright (c) 1982, 1986, 1993␊
61 *␉The Regents of the University of California. All rights reserved.␊
62 *␊
63 * Redistribution and use in source and binary forms, with or without␊
64 * modification, are permitted provided that the following conditions␊
65 * are met:␊
66 * 1. Redistributions of source code must retain the above copyright␊
67 * notice, this list of conditions and the following disclaimer.␊
68 * 2. Redistributions in binary form must reproduce the above copyright␊
69 * notice, this list of conditions and the following disclaimer in the␊
70 * documentation and/or other materials provided with the distribution.␊
71 * 3. All advertising materials mentioning features or use of this software␊
72 * must display the following acknowledgement:␊
73 *␉This product includes software developed by the University of␊
74 *␉California, Berkeley and its contributors.␊
75 * 4. Neither the name of the University nor the names of its contributors␊
76 * may be used to endorse or promote products derived from this software␊
77 * without specific prior written permission.␊
78 *␊
79 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊
80 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊
81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊
82 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊
83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊
84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊
85 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊
86 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊
87 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊
88 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊
89 * SUCH DAMAGE.␊
90 *␊
91 *␉@(#)ip_icmp.h␉8.1 (Berkeley) 6/10/93␊
92 */␊
93␊
94#ifndef _NETINET_ICMP6_H_␊
95#define _NETINET_ICMP6_H_␊
96#include <sys/appleapiopts.h>␊
97␊
98#define ICMPV6_PLD_MAXLEN␉1232␉/* IPV6_MMTU - sizeof(struct ip6_hdr)␊
99␉␉␉␉␉ - sizeof(struct icmp6_hdr) */␊
100␊
101struct icmp6_hdr {␊
102␉u_int8_t␉icmp6_type;␉/* type field */␊
103␉u_int8_t␉icmp6_code;␉/* code field */␊
104␉u_int16_t␉icmp6_cksum;␉/* checksum field */␊
105␉union {␊
106␉␉u_int32_t␉icmp6_un_data32[1]; /* type-specific field */␊
107␉␉u_int16_t␉icmp6_un_data16[2]; /* type-specific field */␊
108␉␉u_int8_t␉icmp6_un_data8[4]; /* type-specific field */␊
109␉} icmp6_dataun;␊
110};␊
111␊
112#define icmp6_data32␉icmp6_dataun.icmp6_un_data32␊
113#define icmp6_data16␉icmp6_dataun.icmp6_un_data16␊
114#define icmp6_data8␉icmp6_dataun.icmp6_un_data8␊
115#define icmp6_pptr␉icmp6_data32[0]␉␉/* parameter prob */␊
116#define icmp6_mtu␉icmp6_data32[0]␉␉/* packet too big */␊
117#define icmp6_id␉icmp6_data16[0]␉␉/* echo request/reply */␊
118#define icmp6_seq␉icmp6_data16[1]␉␉/* echo request/reply */␊
119#define icmp6_maxdelay␉icmp6_data16[0]␉␉/* mcast group membership */␊
120␊
121#define ICMP6_DST_UNREACH␉␉1␉/* dest unreachable, codes: */␊
122#define ICMP6_PACKET_TOO_BIG␉␉2␉/* packet too big */␊
123#define ICMP6_TIME_EXCEEDED␉␉3␉/* time exceeded, code: */␊
124#define ICMP6_PARAM_PROB␉␉4␉/* ip6 header bad */␊
125␊
126#define ICMP6_ECHO_REQUEST␉␉128␉/* echo service */␊
127#define ICMP6_ECHO_REPLY␉␉129␉/* echo reply */␊
128#define ICMP6_MEMBERSHIP_QUERY␉␉130␉/* group membership query */␊
129#define MLD6_LISTENER_QUERY␉␉130 ␉/* multicast listener query */␊
130#define ICMP6_MEMBERSHIP_REPORT␉␉131␉/* group membership report */␊
131#define MLD6_LISTENER_REPORT␉␉131␉/* multicast listener report */␊
132#define ICMP6_MEMBERSHIP_REDUCTION␉132␉/* group membership termination */␊
133#define MLD6_LISTENER_DONE␉␉132␉/* multicast listener done */␊
134␊
135#define␉MLD_LISTENER_QUERY␉␉MLD6_LISTENER_QUERY␊
136#define␉MLD_LISTENER_REPORT␉␉MLD6_LISTENER_REPORT␊
137#define␉MLD_LISTENER_DONE␉␉MLD6_LISTENER_DONE␊
138␊
139#define ND_ROUTER_SOLICIT␉␉133␉/* router solicitation */␊
140#define ND_ROUTER_ADVERT␉␉134␉/* router advertisment */␊
141#define ND_NEIGHBOR_SOLICIT␉␉135␉/* neighbor solicitation */␊
142#define ND_NEIGHBOR_ADVERT␉␉136␉/* neighbor advertisment */␊
143#define ND_REDIRECT␉␉␉137␉/* redirect */␊
144␊
145#define ICMP6_ROUTER_RENUMBERING␉138␉/* router renumbering */␊
146␊
147#define ICMP6_WRUREQUEST␉␉139␉/* who are you request */␊
148#define ICMP6_WRUREPLY␉␉␉140␉/* who are you reply */␊
149#define ICMP6_FQDN_QUERY␉␉139␉/* FQDN query */␊
150#define ICMP6_FQDN_REPLY␉␉140␉/* FQDN reply */␊
151#define ICMP6_NI_QUERY␉␉␉139␉/* node information request */␊
152#define ICMP6_NI_REPLY␉␉␉140␉/* node information reply */␊
153␊
154/* The definitions below are experimental. TBA */␊
155#define MLD6_MTRACE_RESP␉␉200␉/* mtrace response(to sender) */␊
156#define MLD6_MTRACE␉␉␉201␉/* mtrace messages */␊
157␊
158#define␉MLD_MTRACE_RESP␉␉␉MLD6_MTRACE_RESP␊
159#define␉MLD_MTRACE␉␉␉MLD6_MTRACE␊
160␊
161#define ICMP6_HADISCOV_REQUEST␉␉202␉/* XXX To be defined */␊
162#define ICMP6_HADISCOV_REPLY␉␉203␉/* XXX To be defined */␊
163 ␊
164#define ICMP6_MAXTYPE␉␉␉203␊
165␊
166#define ICMP6_DST_UNREACH_NOROUTE␉0␉/* no route to destination */␊
167#define ICMP6_DST_UNREACH_ADMIN␉ ␉1␉/* administratively prohibited */␊
168#define ICMP6_DST_UNREACH_NOTNEIGHBOR␉2␉/* not a neighbor(obsolete) */␊
169#define ICMP6_DST_UNREACH_BEYONDSCOPE␉2␉/* beyond scope of source address */␊
170#define ICMP6_DST_UNREACH_ADDR␉␉3␉/* address unreachable */␊
171#define ICMP6_DST_UNREACH_NOPORT␉4␉/* port unreachable */␊
172␊
173#define ICMP6_TIME_EXCEED_TRANSIT ␉0␉/* ttl==0 in transit */␊
174#define ICMP6_TIME_EXCEED_REASSEMBLY␉1␉/* ttl==0 in reass */␊
175␊
176#define ICMP6_PARAMPROB_HEADER ␉ ␉0␉/* erroneous header field */␊
177#define ICMP6_PARAMPROB_NEXTHEADER␉1␉/* unrecognized next header */␊
178#define ICMP6_PARAMPROB_OPTION␉␉2␉/* unrecognized option */␊
179␊
180#define ICMP6_INFOMSG_MASK␉␉0x80␉/* all informational messages */␊
181␊
182#define ICMP6_NI_SUBJ_IPV6␉0␉/* Query Subject is an IPv6 address */␊
183#define ICMP6_NI_SUBJ_FQDN␉1␉/* Query Subject is a Domain name */␊
184#define ICMP6_NI_SUBJ_IPV4␉2␉/* Query Subject is an IPv4 address */␊
185␊
186#define ICMP6_NI_SUCCESS␉0␉/* node information successful reply */␊
187#define ICMP6_NI_REFUSED␉1␉/* node information request is refused */␊
188#define ICMP6_NI_UNKNOWN␉2␉/* unknown Qtype */␊
189␊
190#define ICMP6_ROUTER_RENUMBERING_COMMAND 0␉/* rr command */␊
191#define ICMP6_ROUTER_RENUMBERING_RESULT 1␉/* rr result */␊
192#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255␉/* rr seq num reset */␊
193␊
194/* Used in kernel only */␊
195#define ND_REDIRECT_ONLINK␉0␉/* redirect to an on-link node */␊
196#define ND_REDIRECT_ROUTER␉1␉/* redirect to a better router */␊
197␊
198/*␊
199 * Multicast Listener Discovery␊
200 */␊
201struct mld6_hdr {␊
202␉struct icmp6_hdr␉mld6_hdr;␊
203␉struct in6_addr␉␉mld6_addr; /* multicast address */␊
204};␊
205␊
206#define mld6_type␉mld6_hdr.icmp6_type␊
207#define mld6_code␉mld6_hdr.icmp6_code␊
208#define mld6_cksum␉mld6_hdr.icmp6_cksum␊
209#define mld6_maxdelay␉mld6_hdr.icmp6_data16[0]␊
210#define mld6_reserved␉mld6_hdr.icmp6_data16[1]␊
211␊
212/*␊
213 * Neighbor Discovery␊
214 */␊
215␊
216struct nd_router_solicit {␉/* router solicitation */␊
217␉struct icmp6_hdr ␉nd_rs_hdr;␊
218␉/* could be followed by options */␊
219};␊
220␊
221#define nd_rs_type␉nd_rs_hdr.icmp6_type␊
222#define nd_rs_code␉nd_rs_hdr.icmp6_code␊
223#define nd_rs_cksum␉nd_rs_hdr.icmp6_cksum␊
224#define nd_rs_reserved␉nd_rs_hdr.icmp6_data32[0]␊
225␊
226struct nd_router_advert {␉/* router advertisement */␊
227␉struct icmp6_hdr␉nd_ra_hdr;␊
228␉u_int32_t␉␉nd_ra_reachable;␉/* reachable time */␊
229␉u_int32_t␉␉nd_ra_retransmit;␉/* retransmit timer */␊
230␉/* could be followed by options */␊
231};␊
232␊
233#define nd_ra_type␉␉nd_ra_hdr.icmp6_type␊
234#define nd_ra_code␉␉nd_ra_hdr.icmp6_code␊
235#define nd_ra_cksum␉␉nd_ra_hdr.icmp6_cksum␊
236#define nd_ra_curhoplimit␉nd_ra_hdr.icmp6_data8[0]␊
237#define nd_ra_flags_reserved␉nd_ra_hdr.icmp6_data8[1]␊
238#define ND_RA_FLAG_MANAGED␉0x80␊
239#define ND_RA_FLAG_OTHER␉0x40␊
240#define ND_RA_FLAG_HA␉␉0x20␊
241␊
242/*␊
243 * Router preference values based on draft-draves-ipngwg-router-selection-01.␊
244 * These are non-standard definitions.␊
245 */␊
246#define ND_RA_FLAG_RTPREF_MASK␉0x18 /* 00011000 */␊
247␊
248#define ND_RA_FLAG_RTPREF_HIGH␉0x08 /* 00001000 */␊
249#define ND_RA_FLAG_RTPREF_MEDIUM␉0x00 /* 00000000 */␊
250#define ND_RA_FLAG_RTPREF_LOW␉0x18 /* 00011000 */␊
251#define ND_RA_FLAG_RTPREF_RSV␉0x10 /* 00010000 */␊
252␊
253#define nd_ra_router_lifetime␉nd_ra_hdr.icmp6_data16[1]␊
254␊
255struct nd_neighbor_solicit {␉/* neighbor solicitation */␊
256␉struct icmp6_hdr␉nd_ns_hdr;␊
257␉struct in6_addr␉␉nd_ns_target;␉/*target address */␊
258␉/* could be followed by options */␊
259};␊
260␊
261#define nd_ns_type␉␉nd_ns_hdr.icmp6_type␊
262#define nd_ns_code␉␉nd_ns_hdr.icmp6_code␊
263#define nd_ns_cksum␉␉nd_ns_hdr.icmp6_cksum␊
264#define nd_ns_reserved␉␉nd_ns_hdr.icmp6_data32[0]␊
265␊
266struct nd_neighbor_advert {␉/* neighbor advertisement */␊
267␉struct icmp6_hdr␉nd_na_hdr;␊
268␉struct in6_addr␉␉nd_na_target;␉/* target address */␊
269␉/* could be followed by options */␊
270};␊
271␊
272#define nd_na_type␉␉nd_na_hdr.icmp6_type␊
273#define nd_na_code␉␉nd_na_hdr.icmp6_code␊
274#define nd_na_cksum␉␉nd_na_hdr.icmp6_cksum␊
275#define nd_na_flags_reserved␉nd_na_hdr.icmp6_data32[0]␊
276#if BYTE_ORDER == BIG_ENDIAN␊
277#define ND_NA_FLAG_ROUTER␉␉0x80000000␊
278#define ND_NA_FLAG_SOLICITED␉␉0x40000000␊
279#define ND_NA_FLAG_OVERRIDE␉␉0x20000000␊
280#else␊
281#if BYTE_ORDER == LITTLE_ENDIAN␊
282#define ND_NA_FLAG_ROUTER␉␉0x80␊
283#define ND_NA_FLAG_SOLICITED␉␉0x40␊
284#define ND_NA_FLAG_OVERRIDE␉␉0x20␊
285#endif␊
286#endif␊
287␊
288struct nd_redirect {␉␉/* redirect */␊
289␉struct icmp6_hdr␉nd_rd_hdr;␊
290␉struct in6_addr␉␉nd_rd_target;␉/* target address */␊
291␉struct in6_addr␉␉nd_rd_dst;␉/* destination address */␊
292␉/* could be followed by options */␊
293};␊
294␊
295#define nd_rd_type␉␉nd_rd_hdr.icmp6_type␊
296#define nd_rd_code␉␉nd_rd_hdr.icmp6_code␊
297#define nd_rd_cksum␉␉nd_rd_hdr.icmp6_cksum␊
298#define nd_rd_reserved␉␉nd_rd_hdr.icmp6_data32[0]␊
299␊
300struct nd_opt_hdr {␉␉/* Neighbor discovery option header */␊
301␉u_int8_t␉nd_opt_type;␊
302␉u_int8_t␉nd_opt_len;␊
303␉/* followed by option specific data*/␊
304};␊
305␊
306#define ND_OPT_SOURCE_LINKADDR␉␉1␊
307#define ND_OPT_TARGET_LINKADDR␉␉2␊
308#define ND_OPT_PREFIX_INFORMATION␉3␊
309#define ND_OPT_REDIRECTED_HEADER␉4␊
310#define ND_OPT_MTU␉␉␉5␊
311␊
312#define ND_OPT_ROUTE_INFO␉␉200␉/* draft-ietf-ipngwg-router-preference, not officially assigned yet */␊
313␊
314struct nd_opt_prefix_info {␉/* prefix information */␊
315␉u_int8_t␉nd_opt_pi_type;␊
316␉u_int8_t␉nd_opt_pi_len;␊
317␉u_int8_t␉nd_opt_pi_prefix_len;␊
318␉u_int8_t␉nd_opt_pi_flags_reserved;␊
319␉u_int32_t␉nd_opt_pi_valid_time;␊
320␉u_int32_t␉nd_opt_pi_preferred_time;␊
321␉u_int32_t␉nd_opt_pi_reserved2;␊
322␉struct in6_addr␉nd_opt_pi_prefix;␊
323};␊
324␊
325#define ND_OPT_PI_FLAG_ONLINK␉␉0x80␊
326#define ND_OPT_PI_FLAG_AUTO␉␉0x40␊
327␊
328struct nd_opt_rd_hdr {␉␉/* redirected header */␊
329␉u_int8_t␉nd_opt_rh_type;␊
330␉u_int8_t␉nd_opt_rh_len;␊
331␉u_int16_t␉nd_opt_rh_reserved1;␊
332␉u_int32_t␉nd_opt_rh_reserved2;␊
333␉/* followed by IP header and data */␊
334};␊
335␊
336struct nd_opt_mtu {␉␉/* MTU option */␊
337␉u_int8_t␉nd_opt_mtu_type;␊
338␉u_int8_t␉nd_opt_mtu_len;␊
339␉u_int16_t␉nd_opt_mtu_reserved;␊
340␉u_int32_t␉nd_opt_mtu_mtu;␊
341};␊
342␊
343struct nd_opt_route_info {␉/* route info */␊
344␉u_int8_t␉nd_opt_rti_type;␊
345␉u_int8_t␉nd_opt_rti_len;␊
346␉u_int8_t␉nd_opt_rti_prefixlen;␊
347␉u_int8_t␉nd_opt_rti_flags;␊
348␉u_int32_t␉nd_opt_rti_lifetime;␊
349␉/* followed by prefix */␊
350};␊
351␊
352/*␊
353 * icmp6 namelookup␊
354 */␊
355␊
356struct icmp6_namelookup {␊
357␉struct icmp6_hdr ␉icmp6_nl_hdr;␊
358␉u_int8_t␉icmp6_nl_nonce[8];␊
359␉int32_t␉␉icmp6_nl_ttl;␊
360#if 0␊
361␉u_int8_t␉icmp6_nl_len;␊
362␉u_int8_t␉icmp6_nl_name[3];␊
363#endif␊
364␉/* could be followed by options */␊
365};␊
366␊
367/*␊
368 * icmp6 node information␊
369 */␊
370struct icmp6_nodeinfo {␊
371␉struct icmp6_hdr icmp6_ni_hdr;␊
372␉u_int8_t icmp6_ni_nonce[8];␊
373␉/* could be followed by reply data */␊
374};␊
375␊
376#define ni_type␉␉icmp6_ni_hdr.icmp6_type␊
377#define ni_code␉␉icmp6_ni_hdr.icmp6_code␊
378#define ni_cksum␉icmp6_ni_hdr.icmp6_cksum␊
379#define ni_qtype␉icmp6_ni_hdr.icmp6_data16[0]␊
380#define ni_flags␉icmp6_ni_hdr.icmp6_data16[1]␊
381␊
382#define NI_QTYPE_NOOP␉␉0 /* NOOP */␊
383#define NI_QTYPE_SUPTYPES␉1 /* Supported Qtypes */␊
384#define NI_QTYPE_FQDN␉␉2 /* FQDN (draft 04) */␊
385#define NI_QTYPE_DNSNAME␉2 /* DNS Name */␊
386#define NI_QTYPE_NODEADDR␉3 /* Node Addresses */␊
387#define NI_QTYPE_IPV4ADDR␉4 /* IPv4 Addresses */␊
388␊
389#if BYTE_ORDER == BIG_ENDIAN␊
390#define NI_SUPTYPE_FLAG_COMPRESS␉0x1␊
391#define NI_FQDN_FLAG_VALIDTTL␉␉0x1␊
392#elif BYTE_ORDER == LITTLE_ENDIAN␊
393#define NI_SUPTYPE_FLAG_COMPRESS␉0x0100␊
394#define NI_FQDN_FLAG_VALIDTTL␉␉0x0100␊
395#endif␊
396␊
397#ifdef NAME_LOOKUPS_04␊
398#if BYTE_ORDER == BIG_ENDIAN␊
399#define NI_NODEADDR_FLAG_LINKLOCAL␉0x1␊
400#define NI_NODEADDR_FLAG_SITELOCAL␉0x2␊
401#define NI_NODEADDR_FLAG_GLOBAL␉␉0x4␊
402#define NI_NODEADDR_FLAG_ALL␉␉0x8␊
403#define NI_NODEADDR_FLAG_TRUNCATE␉0x10␊
404#define NI_NODEADDR_FLAG_ANYCAST␉0x20 /* just experimental. not in spec */␊
405#elif BYTE_ORDER == LITTLE_ENDIAN␊
406#define NI_NODEADDR_FLAG_LINKLOCAL␉0x0100␊
407#define NI_NODEADDR_FLAG_SITELOCAL␉0x0200␊
408#define NI_NODEADDR_FLAG_GLOBAL␉␉0x0400␊
409#define NI_NODEADDR_FLAG_ALL␉␉0x0800␊
410#define NI_NODEADDR_FLAG_TRUNCATE␉0x1000␊
411#define NI_NODEADDR_FLAG_ANYCAST␉0x2000 /* just experimental. not in spec */␊
412#endif␊
413#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */␊
414#if BYTE_ORDER == BIG_ENDIAN␊
415#define NI_NODEADDR_FLAG_TRUNCATE␉0x1␊
416#define NI_NODEADDR_FLAG_ALL␉␉0x2␊
417#define NI_NODEADDR_FLAG_COMPAT␉␉0x4␊
418#define NI_NODEADDR_FLAG_LINKLOCAL␉0x8␊
419#define NI_NODEADDR_FLAG_SITELOCAL␉0x10␊
420#define NI_NODEADDR_FLAG_GLOBAL␉␉0x20␊
421#define NI_NODEADDR_FLAG_ANYCAST␉0x40 /* just experimental. not in spec */␊
422#elif BYTE_ORDER == LITTLE_ENDIAN␊
423#define NI_NODEADDR_FLAG_TRUNCATE␉0x0100␊
424#define NI_NODEADDR_FLAG_ALL␉␉0x0200␊
425#define NI_NODEADDR_FLAG_COMPAT␉␉0x0400␊
426#define NI_NODEADDR_FLAG_LINKLOCAL␉0x0800␊
427#define NI_NODEADDR_FLAG_SITELOCAL␉0x1000␊
428#define NI_NODEADDR_FLAG_GLOBAL␉␉0x2000␊
429#define NI_NODEADDR_FLAG_ANYCAST␉0x4000 /* just experimental. not in spec */␊
430#endif␊
431#endif␊
432␊
433struct ni_reply_fqdn {␊
434␉u_int32_t ni_fqdn_ttl;␉/* TTL */␊
435␉u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */␊
436␉u_int8_t ni_fqdn_name[3]; /* XXX: alignment */␊
437};␊
438␊
439/*␊
440 * Router Renumbering. as router-renum-08.txt␊
441 */␊
442struct icmp6_router_renum {␉/* router renumbering header */␊
443␉struct icmp6_hdr␉rr_hdr;␊
444␉u_int8_t␉rr_segnum;␊
445␉u_int8_t␉rr_flags;␊
446␉u_int16_t␉rr_maxdelay;␊
447␉u_int32_t␉rr_reserved;␊
448};␊
449␊
450#define ICMP6_RR_FLAGS_TEST␉␉0x80␊
451#define ICMP6_RR_FLAGS_REQRESULT␉0x40␊
452#define ICMP6_RR_FLAGS_FORCEAPPLY␉0x20␊
453#define ICMP6_RR_FLAGS_SPECSITE␉␉0x10␊
454#define ICMP6_RR_FLAGS_PREVDONE␉␉0x08␊
455␊
456#define rr_type␉␉rr_hdr.icmp6_type␊
457#define rr_code␉␉rr_hdr.icmp6_code␊
458#define rr_cksum␉rr_hdr.icmp6_cksum␊
459#define rr_seqnum ␉rr_hdr.icmp6_data32[0]␊
460␊
461struct rr_pco_match {␉␉/* match prefix part */␊
462␉u_int8_t␉rpm_code;␊
463␉u_int8_t␉rpm_len;␊
464␉u_int8_t␉rpm_ordinal;␊
465␉u_int8_t␉rpm_matchlen;␊
466␉u_int8_t␉rpm_minlen;␊
467␉u_int8_t␉rpm_maxlen;␊
468␉u_int16_t␉rpm_reserved;␊
469␉struct␉in6_addr␉rpm_prefix;␊
470};␊
471␊
472#define RPM_PCO_ADD␉␉1␊
473#define RPM_PCO_CHANGE␉␉2␊
474#define RPM_PCO_SETGLOBAL␉3␊
475#define RPM_PCO_MAX␉␉4␊
476␊
477struct rr_pco_use {␉␉/* use prefix part */␊
478␉u_int8_t␉rpu_uselen;␊
479␉u_int8_t␉rpu_keeplen;␊
480␉u_int8_t␉rpu_ramask;␊
481␉u_int8_t␉rpu_raflags;␊
482␉u_int32_t␉rpu_vltime;␊
483␉u_int32_t␉rpu_pltime;␊
484␉u_int32_t␉rpu_flags;␊
485␉struct␉in6_addr rpu_prefix;␊
486};␊
487#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK␉0x80␊
488#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO␉0x40␊
489␊
490#if BYTE_ORDER == BIG_ENDIAN␊
491#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000␊
492#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000␊
493#elif BYTE_ORDER == LITTLE_ENDIAN␊
494#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80␊
495#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40␊
496#endif␊
497␊
498struct rr_result {␉␉/* router renumbering result message */␊
499␉u_int16_t␉rrr_flags;␊
500␉u_int8_t␉rrr_ordinal;␊
501␉u_int8_t␉rrr_matchedlen;␊
502␉u_int32_t␉rrr_ifid;␊
503␉struct␉in6_addr rrr_prefix;␊
504};␊
505#if BYTE_ORDER == BIG_ENDIAN␊
506#define ICMP6_RR_RESULT_FLAGS_OOB␉␉0x0002␊
507#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN␉␉0x0001␊
508#elif BYTE_ORDER == LITTLE_ENDIAN␊
509#define ICMP6_RR_RESULT_FLAGS_OOB␉␉0x0200␊
510#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN␉␉0x0100␊
511#endif␊
512␊
513/*␊
514 * icmp6 filter structures.␊
515 */␊
516␊
517struct icmp6_filter {␊
518␉u_int32_t icmp6_filt[8];␊
519};␊
520␊
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␊
526#define␉ICMP6_FILTER_SETPASS(type, filterp) \␊
527␉(((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))␊
528#define␉ICMP6_FILTER_SETBLOCK(type, filterp) \␊
529␉(((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))␊
530#define␉ICMP6_FILTER_WILLPASS(type, filterp) \␊
531␉((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)␊
532#define␉ICMP6_FILTER_WILLBLOCK(type, filterp) \␊
533␉((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)␊
534␊
535/*␊
536 * Variables related to this implementation␊
537 * of the internet control message protocol version 6.␊
538 */␊
539struct icmp6errstat {␊
540␉u_quad_t icp6errs_dst_unreach_noroute;␊
541␉u_quad_t icp6errs_dst_unreach_admin;␊
542␉u_quad_t icp6errs_dst_unreach_beyondscope;␊
543␉u_quad_t icp6errs_dst_unreach_addr;␊
544␉u_quad_t icp6errs_dst_unreach_noport;␊
545␉u_quad_t icp6errs_packet_too_big;␊
546␉u_quad_t icp6errs_time_exceed_transit;␊
547␉u_quad_t icp6errs_time_exceed_reassembly;␊
548␉u_quad_t icp6errs_paramprob_header;␊
549␉u_quad_t icp6errs_paramprob_nextheader;␊
550␉u_quad_t icp6errs_paramprob_option;␊
551␉u_quad_t icp6errs_redirect; /* we regard redirect as an error here */␊
552␉u_quad_t icp6errs_unknown;␊
553};␊
554␊
555struct icmp6stat {␊
556/* statistics related to icmp6 packets generated */␊
557␉u_quad_t icp6s_error;␉␉/* # of calls to icmp6_error */␊
558␉u_quad_t icp6s_canterror;␉/* no error 'cuz old was icmp */␊
559␉u_quad_t icp6s_toofreq;␉␉/* no error 'cuz rate limitation */␊
560␉u_quad_t icp6s_outhist[256];␊
561/* statistics related to input message processed */␊
562␉u_quad_t icp6s_badcode;␉␉/* icmp6_code out of range */␊
563␉u_quad_t icp6s_tooshort;␉/* packet < sizeof(struct icmp6_hdr) */␊
564␉u_quad_t icp6s_checksum;␉/* bad checksum */␊
565␉u_quad_t icp6s_badlen;␉␉/* calculated bound mismatch */␊
566␉u_quad_t icp6s_reflect;␉␉/* number of responses */␊
567␉u_quad_t icp6s_inhist[256];␉␊
568␉u_quad_t icp6s_nd_toomanyopt;␉/* too many ND options */␊
569␉struct icmp6errstat icp6s_outerrhist;␊
570#define icp6s_odst_unreach_noroute \␊
571␉icp6s_outerrhist.icp6errs_dst_unreach_noroute␊
572#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin␊
573#define icp6s_odst_unreach_beyondscope \␊
574␉icp6s_outerrhist.icp6errs_dst_unreach_beyondscope␊
575#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr␊
576#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport␊
577#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big␊
578#define icp6s_otime_exceed_transit \␊
579␉icp6s_outerrhist.icp6errs_time_exceed_transit␊
580#define icp6s_otime_exceed_reassembly \␊
581␉icp6s_outerrhist.icp6errs_time_exceed_reassembly␊
582#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header␊
583#define icp6s_oparamprob_nextheader \␊
584␉icp6s_outerrhist.icp6errs_paramprob_nextheader␊
585#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option␊
586#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect␊
587#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown␊
588␉u_quad_t icp6s_pmtuchg;␉␉/* path MTU changes */␊
589␉u_quad_t icp6s_nd_badopt;␉/* bad ND options */␊
590␉u_quad_t icp6s_badns;␉␉/* bad neighbor solicitation */␊
591␉u_quad_t icp6s_badna;␉␉/* bad neighbor advertisement */␊
592␉u_quad_t icp6s_badrs;␉␉/* bad router advertisement */␊
593␉u_quad_t icp6s_badra;␉␉/* bad router advertisement */␊
594␉u_quad_t icp6s_badredirect;␉/* bad redirect message */␊
595};␊
596␊
597/*␊
598 * Names for ICMP sysctl objects␊
599 */␊
600#define ICMPV6CTL_STATS␉␉1␊
601#define ICMPV6CTL_REDIRACCEPT␉2␉/* accept/process redirects */␊
602#define ICMPV6CTL_REDIRTIMEOUT␉3␉/* redirect cache time */␊
603#define ICMPV6CTL_ND6_PRUNE␉6␊
604#define ICMPV6CTL_ND6_DELAY␉8␊
605#define ICMPV6CTL_ND6_UMAXTRIES␉9␊
606#define ICMPV6CTL_ND6_MMAXTRIES␉␉10␊
607#define ICMPV6CTL_ND6_USELOOPBACK␉11␊
608/*#define ICMPV6CTL_ND6_PROXYALL␉12␉obsoleted, do not reuse here */␊
609#define ICMPV6CTL_NODEINFO␉13␊
610#define ICMPV6CTL_ERRPPSLIMIT␉14␉/* ICMPv6 error pps limitation */␊
611#define ICMPV6CTL_ND6_MAXNUDHINT␉15␊
612#define ICMPV6CTL_MTUDISC_HIWAT␉16␊
613#define ICMPV6CTL_MTUDISC_LOWAT␉17␊
614#define ICMPV6CTL_ND6_DEBUG␉18␊
615#define ICMPV6CTL_ND6_DRLIST␉19␊
616#define ICMPV6CTL_ND6_PRLIST␉20␊
617#define ICMPV6CTL_MAXID␉␉21␊
618␊
619␊
620#endif /* !_NETINET_ICMP6_H_ */␊
621

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