in6.h (13c3fcc238c08c2604209482f99da078c034e35d) in6.h (88ff5695c1e53c3398142ea10e3f041ff4b5a03f)
1/* $FreeBSD$ */
2/* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 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

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121 union {
122 u_int8_t __u6_addr8[16];
123 u_int16_t __u6_addr16[8];
124 u_int32_t __u6_addr32[4];
125 } __u6_addr; /* 128-bit IP6 address */
126};
127
128#define s6_addr __u6_addr.__u6_addr8
1/* $FreeBSD$ */
2/* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 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

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121 union {
122 u_int8_t __u6_addr8[16];
123 u_int16_t __u6_addr16[8];
124 u_int32_t __u6_addr32[4];
125 } __u6_addr; /* 128-bit IP6 address */
126};
127
128#define s6_addr __u6_addr.__u6_addr8
129#ifdef _KERNEL /*XXX nonstandard*/
129#ifdef _KERNEL /* XXX nonstandard */
130#define s6_addr8 __u6_addr.__u6_addr8
131#define s6_addr16 __u6_addr.__u6_addr16
132#define s6_addr32 __u6_addr.__u6_addr32
133#endif
134
135#define INET6_ADDRSTRLEN 46
136
137/*

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147 u_int32_t sin6_flowinfo; /* IP6 flow information */
148 struct in6_addr sin6_addr; /* IP6 address */
149 u_int32_t sin6_scope_id; /* scope zone index */
150};
151
152/*
153 * Local definition for masks
154 */
130#define s6_addr8 __u6_addr.__u6_addr8
131#define s6_addr16 __u6_addr.__u6_addr16
132#define s6_addr32 __u6_addr.__u6_addr32
133#endif
134
135#define INET6_ADDRSTRLEN 46
136
137/*

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147 u_int32_t sin6_flowinfo; /* IP6 flow information */
148 struct in6_addr sin6_addr; /* IP6 address */
149 u_int32_t sin6_scope_id; /* scope zone index */
150};
151
152/*
153 * Local definition for masks
154 */
155#ifdef _KERNEL /*XXX nonstandard*/
155#ifdef _KERNEL /* XXX nonstandard */
156#define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
157#define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
159#define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
161#define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
162 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
163#define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \

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172extern const struct in6_addr in6mask64;
173extern const struct in6_addr in6mask96;
174extern const struct in6_addr in6mask128;
175#endif /* _KERNEL */
176
177/*
178 * Macros started with IPV6_ADDR is KAME local
179 */
156#define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
157#define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
159#define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
161#define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
162 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
163#define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \

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172extern const struct in6_addr in6mask64;
173extern const struct in6_addr in6mask96;
174extern const struct in6_addr in6mask128;
175#endif /* _KERNEL */
176
177/*
178 * Macros started with IPV6_ADDR is KAME local
179 */
180#ifdef _KERNEL /*XXX nonstandard*/
180#ifdef _KERNEL /* XXX nonstandard */
181#if BYTE_ORDER == BIG_ENDIAN
182#define IPV6_ADDR_INT32_ONE 1
183#define IPV6_ADDR_INT32_TWO 2
184#define IPV6_ADDR_INT32_MNL 0xff010000
185#define IPV6_ADDR_INT32_MLL 0xff020000
186#define IPV6_ADDR_INT32_SMP 0x0000ffff
187#define IPV6_ADDR_INT16_ULL 0xfe80
188#define IPV6_ADDR_INT16_USL 0xfec0

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281 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
282 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
283 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
284
285/*
286 * KAME Scope Values
287 */
288
181#if BYTE_ORDER == BIG_ENDIAN
182#define IPV6_ADDR_INT32_ONE 1
183#define IPV6_ADDR_INT32_TWO 2
184#define IPV6_ADDR_INT32_MNL 0xff010000
185#define IPV6_ADDR_INT32_MLL 0xff020000
186#define IPV6_ADDR_INT32_SMP 0x0000ffff
187#define IPV6_ADDR_INT16_ULL 0xfe80
188#define IPV6_ADDR_INT16_USL 0xfec0

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281 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
282 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
283 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
284
285/*
286 * KAME Scope Values
287 */
288
289#ifdef _KERNEL /*XXX nonstandard*/
289#ifdef _KERNEL /* XXX nonstandard */
290#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
291#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
292#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
293#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */
294#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
295#else
296#define __IPV6_ADDR_SCOPE_NODELOCAL 0x01
297#define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02

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309#define IN6_IS_ADDR_SITELOCAL(a) \
310 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
311
312/*
313 * Multicast
314 */
315#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
316
290#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
291#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
292#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
293#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */
294#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
295#else
296#define __IPV6_ADDR_SCOPE_NODELOCAL 0x01
297#define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02

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309#define IN6_IS_ADDR_SITELOCAL(a) \
310 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
311
312/*
313 * Multicast
314 */
315#define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff)
316
317#ifdef _KERNEL /*XXX nonstandard*/
317#ifdef _KERNEL /* XXX nonstandard */
318#define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
319#else
320#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
321#endif
322
323/*
324 * Multicast Scope
325 */
318#define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
319#else
320#define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f)
321#endif
322
323/*
324 * Multicast Scope
325 */
326#ifdef _KERNEL /*refers nonstandard items */
326#ifdef _KERNEL /* refers nonstandard items */
327#define IN6_IS_ADDR_MC_NODELOCAL(a) \
328 (IN6_IS_ADDR_MULTICAST(a) && \
329 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
330#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
331 (IN6_IS_ADDR_MULTICAST(a) && \
332 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
333#define IN6_IS_ADDR_MC_SITELOCAL(a) \
334 (IN6_IS_ADDR_MULTICAST(a) && \

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352#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
353 (IN6_IS_ADDR_MULTICAST(a) && \
354 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
355#define IN6_IS_ADDR_MC_GLOBAL(a) \
356 (IN6_IS_ADDR_MULTICAST(a) && \
357 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
358#endif
359
327#define IN6_IS_ADDR_MC_NODELOCAL(a) \
328 (IN6_IS_ADDR_MULTICAST(a) && \
329 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
330#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
331 (IN6_IS_ADDR_MULTICAST(a) && \
332 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
333#define IN6_IS_ADDR_MC_SITELOCAL(a) \
334 (IN6_IS_ADDR_MULTICAST(a) && \

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352#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
353 (IN6_IS_ADDR_MULTICAST(a) && \
354 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
355#define IN6_IS_ADDR_MC_GLOBAL(a) \
356 (IN6_IS_ADDR_MULTICAST(a) && \
357 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
358#endif
359
360#ifdef _KERNEL /*nonstandard*/
360#ifdef _KERNEL /* nonstandard */
361/*
362 * KAME Scope
363 */
364#define IN6_IS_SCOPE_LINKLOCAL(a) \
365 ((IN6_IS_ADDR_LINKLOCAL(a)) || \
366 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
367
368#define IFA6_IS_DEPRECATED(a) \

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414#define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */
415
416#define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */
417#define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */
418#ifndef _KERNEL
419#define IPV6_BINDV6ONLY IPV6_V6ONLY
420#endif
421
361/*
362 * KAME Scope
363 */
364#define IN6_IS_SCOPE_LINKLOCAL(a) \
365 ((IN6_IS_ADDR_LINKLOCAL(a)) || \
366 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
367
368#define IFA6_IS_DEPRECATED(a) \

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414#define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */
415
416#define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */
417#define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */
418#ifndef _KERNEL
419#define IPV6_BINDV6ONLY IPV6_V6ONLY
420#endif
421
422#if 1 /*IPSEC*/
422#if 1 /* IPSEC */
423#define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */
424#endif
425#define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */
426
423#define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */
424#endif
425#define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */
426
427#if 1 /*IPV6FIREWALL*/
427#if 1 /* IPV6FIREWALL */
428#define IPV6_FW_ADD 30 /* add a firewall rule to chain */
429#define IPV6_FW_DEL 31 /* delete a firewall rule from chain */
430#define IPV6_FW_FLUSH 32 /* flush firewall rule chain */
431#define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */
432#define IPV6_FW_GET 34 /* get entire firewall rule chain */
433#endif
434
435/* to define items, should talk with KAME guys first, for *BSD compatibility */
436
437#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */
438#define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */
439#define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */
440
441/*
442 * Defaults and limits for options
443 */
428#define IPV6_FW_ADD 30 /* add a firewall rule to chain */
429#define IPV6_FW_DEL 31 /* delete a firewall rule from chain */
430#define IPV6_FW_FLUSH 32 /* flush firewall rule chain */
431#define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */
432#define IPV6_FW_GET 34 /* get entire firewall rule chain */
433#endif
434
435/* to define items, should talk with KAME guys first, for *BSD compatibility */
436
437#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */
438#define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */
439#define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */
440
441/*
442 * Defaults and limits for options
443 */
444#define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */
445#define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
444#define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */
445#define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
446
447/*
448 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
449 */
450struct ipv6_mreq {
451 struct in6_addr ipv6mr_multiaddr;
452 unsigned int ipv6mr_interface;
453};

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546#define IPV6CTL_HDRNESTLIMIT 15
547#define IPV6CTL_DAD_COUNT 16
548#define IPV6CTL_AUTO_FLOWLABEL 17
549#define IPV6CTL_DEFMCASTHLIM 18
550#define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */
551#define IPV6CTL_KAME_VERSION 20
552#define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */
553#define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */
446
447/*
448 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
449 */
450struct ipv6_mreq {
451 struct in6_addr ipv6mr_multiaddr;
452 unsigned int ipv6mr_interface;
453};

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546#define IPV6CTL_HDRNESTLIMIT 15
547#define IPV6CTL_DAD_COUNT 16
548#define IPV6CTL_AUTO_FLOWLABEL 17
549#define IPV6CTL_DEFMCASTHLIM 18
550#define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */
551#define IPV6CTL_KAME_VERSION 20
552#define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */
553#define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */
554#if 0 /*obsolete*/
554#if 0 /* obsolete */
555#define IPV6CTL_MAPPED_ADDR 23
556#endif
557#define IPV6CTL_V6ONLY 24
558#define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */
559#define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */
560#define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */
561
562#define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */

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556#endif
557#define IPV6CTL_V6ONLY 24
558#define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */
559#define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */
560#define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */
561
562#define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */

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