epoc32/include/stdapis/netinet6/in6.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 /*	$FreeBSD: src/sys/netinet6/in6.h,v 1.36.2.2 2005/10/09 05:21:18 ume Exp $	*/
     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
     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, 1990, 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 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.
    61  *	@(#)in.h	8.3 (Berkeley) 1/3/94
    62  */
    63 
    64 #ifndef __KAME_NETINET_IN_H_INCLUDED_
    65 #error "do not include netinet6/in6.h directly, include netinet/in.h.  see RFC2553"
    66 #endif
    67 
    68 #ifndef _NETINET6_IN6_H_
    69 #define _NETINET6_IN6_H_
    70 
    71 /*
    72  * Identification of the network protocol stack
    73  * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
    74  * has the table of implementation/integration differences.
    75  */
    76 #define __KAME__
    77 #define __KAME_VERSION		"20010528/FreeBSD"
    78 
    79 /*
    80  * Local port number conventions:
    81  *
    82  * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
    83  * unless a kernel is compiled with IPNOPRIVPORTS defined.
    84  *
    85  * When a user does a bind(2) or connect(2) with a port number of zero,
    86  * a non-conflicting local port address is chosen.
    87  *
    88  * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
    89  * that is settable by sysctl(3); net.inet.ip.anonportmin and
    90  * net.inet.ip.anonportmax respectively.
    91  *
    92  * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
    93  * default assignment range.
    94  *
    95  * The value IP_PORTRANGE_DEFAULT causes the default behavior.
    96  *
    97  * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
    98  * and exists only for FreeBSD compatibility purposes.
    99  *
   100  * The value IP_PORTRANGE_LOW changes the range to the "low" are
   101  * that is (by convention) restricted to privileged processes.
   102  * This convention is based on "vouchsafe" principles only.
   103  * It is only secure if you trust the remote host to restrict these ports.
   104  * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
   105  */
   106 #if __BSD_VISIBLE
   107 #define	IPV6PORT_RESERVED	1024
   108 #define	IPV6PORT_ANONMIN	49152
   109 #define	IPV6PORT_ANONMAX	65535
   110 #define	IPV6PORT_RESERVEDMIN	600
   111 #define	IPV6PORT_RESERVEDMAX	(IPV6PORT_RESERVED-1)
   112 #endif
   113 
   114 /*
   115  * IPv6 address
   116  */
   117 struct in6_addr {
   118 	union {
   119 		uint8_t		__u6_addr8[16];
   120 		uint16_t	__u6_addr16[8];
   121 		uint32_t	__u6_addr32[4];
   122 	} __u6_addr;			/* 128-bit IP6 address */
   123 };
   124 
   125 #define s6_addr   __u6_addr.__u6_addr8
   126 #ifdef _KERNEL	/* XXX nonstandard */
   127 #define s6_addr8  __u6_addr.__u6_addr8
   128 #define s6_addr16 __u6_addr.__u6_addr16
   129 #define s6_addr32 __u6_addr.__u6_addr32
   130 #endif
   131 
   132 #define INET6_ADDRSTRLEN	46
   133 
   134 /*
   135  * XXX missing POSIX.1-2001 macro IPPROTO_IPV6.
   136  */
   137 
   138 /*
   139  * Socket address for IPv6
   140  */
   141 #if __BSD_VISIBLE
   142 #define SIN6_LEN
   143 #endif
   144 #ifdef __SYMBIAN32__
   145 struct sockaddr_in6 {
   146 	u_short 	sin6_family;	/* AF_INET6 */
   147 	u_short 	sin6_port;	/* Transport layer port # */
   148 	struct in6_addr	sin6_addr;	/* IP6 address */
   149 	uint32_t	sin6_flowinfo;	/* IP6 flow information */
   150 	uint32_t	sin6_scope_id;	/* scope zone index */
   151 	uint8_t		sin6_len;	/* length of this struct */
   152 };
   153 #else
   154 struct sockaddr_in6 {
   155 	uint8_t		sin6_len;	/* length of this struct */
   156 	sa_family_t	sin6_family;	/* AF_INET6 */
   157 	in_port_t	sin6_port;	/* Transport layer port # */
   158 	uint32_t	sin6_flowinfo;	/* IP6 flow information */
   159 	struct in6_addr	sin6_addr;	/* IP6 address */
   160 	uint32_t	sin6_scope_id;	/* scope zone index */
   161 };
   162 #endif
   163 
   164 /*
   165  * Local definition for masks
   166  */
   167 #ifdef _KERNEL	/* XXX nonstandard */
   168 #define IN6MASK0	{{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
   169 #define IN6MASK32	{{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
   170 			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
   171 #define IN6MASK64	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
   172 			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
   173 #define IN6MASK96	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
   174 			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
   175 #define IN6MASK128	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
   176 			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
   177 #endif
   178 
   179 #ifdef _KERNEL
   180 extern const struct sockaddr_in6 sa6_any;
   181 
   182 extern const struct in6_addr in6mask0;
   183 extern const struct in6_addr in6mask32;
   184 extern const struct in6_addr in6mask64;
   185 extern const struct in6_addr in6mask96;
   186 extern const struct in6_addr in6mask128;
   187 #endif /* _KERNEL */
   188 
   189 /*
   190  * Macros started with IPV6_ADDR is KAME local
   191  */
   192 #ifdef _KERNEL	/* XXX nonstandard */
   193 #if _BYTE_ORDER == _BIG_ENDIAN
   194 #define IPV6_ADDR_INT32_ONE	1
   195 #define IPV6_ADDR_INT32_TWO	2
   196 #define IPV6_ADDR_INT32_MNL	0xff010000
   197 #define IPV6_ADDR_INT32_MLL	0xff020000
   198 #define IPV6_ADDR_INT32_SMP	0x0000ffff
   199 #define IPV6_ADDR_INT16_ULL	0xfe80
   200 #define IPV6_ADDR_INT16_USL	0xfec0
   201 #define IPV6_ADDR_INT16_MLL	0xff02
   202 #elif _BYTE_ORDER == _LITTLE_ENDIAN
   203 #define IPV6_ADDR_INT32_ONE	0x01000000
   204 #define IPV6_ADDR_INT32_TWO	0x02000000
   205 #define IPV6_ADDR_INT32_MNL	0x000001ff
   206 #define IPV6_ADDR_INT32_MLL	0x000002ff
   207 #define IPV6_ADDR_INT32_SMP	0xffff0000
   208 #define IPV6_ADDR_INT16_ULL	0x80fe
   209 #define IPV6_ADDR_INT16_USL	0xc0fe
   210 #define IPV6_ADDR_INT16_MLL	0x02ff
   211 #endif
   212 #endif
   213 
   214 /*
   215  * Definition of some useful macros to handle IP6 addresses
   216  */
   217 #if __BSD_VISIBLE
   218 #define IN6ADDR_ANY_INIT \
   219 	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   220 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
   221 #define IN6ADDR_LOOPBACK_INIT \
   222 	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   223 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
   224 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \
   225 	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   226 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
   227 #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \
   228 	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   229 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
   230 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
   231 	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   232 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
   233 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
   234 	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   235 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
   236 #endif
   237 
   238 #ifndef __SYMBIAN32__
   239 extern const struct in6_addr in6addr_any;
   240 extern const struct in6_addr in6addr_loopback;
   241 #if __BSD_VISIBLE
   242 extern const struct in6_addr in6addr_nodelocal_allnodes;
   243 extern const struct in6_addr in6addr_linklocal_allnodes;
   244 extern const struct in6_addr in6addr_linklocal_allrouters;
   245 #endif
   246 #endif//__SYMBIAN32__
   247 
   248 /*
   249  * Equality
   250  * NOTE: Some of kernel programming environment (for example, openbsd/sparc)
   251  * does not supply memcmp().  For userland memcmp() is preferred as it is
   252  * in ANSI standard.
   253  */
   254 #ifdef _KERNEL
   255 #define IN6_ARE_ADDR_EQUAL(a, b)			\
   256     (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
   257 #else
   258 #if __BSD_VISIBLE
   259 #define IN6_ARE_ADDR_EQUAL(a, b)			\
   260     (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
   261 #endif
   262 #endif
   263 
   264 #ifdef _KERNEL			/* non standard */
   265 /* see if two addresses are equal in a scope-conscious manner. */
   266 #define SA6_ARE_ADDR_EQUAL(a, b) \
   267 	(((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \
   268 	  ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
   269 	 (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
   270 #endif
   271 
   272 /*
   273  * Unspecified
   274  */
   275 #define IN6_IS_ADDR_UNSPECIFIED(a)	\
   276 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
   277 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
   278 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
   279 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
   280 
   281 /*
   282  * Loopback
   283  */
   284 #define IN6_IS_ADDR_LOOPBACK(a)		\
   285 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
   286 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
   287 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
   288 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
   289 
   290 /*
   291  * IPv4 compatible
   292  */
   293 #define IN6_IS_ADDR_V4COMPAT(a)		\
   294 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
   295 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
   296 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
   297 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) &&	\
   298 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
   299 
   300 /*
   301  * Mapped
   302  */
   303 #define IN6_IS_ADDR_V4MAPPED(a)		      \
   304 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
   305 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
   306 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
   307 
   308 /*
   309  * KAME Scope Values
   310  */
   311 
   312 #ifdef _KERNEL	/* XXX nonstandard */
   313 #define IPV6_ADDR_SCOPE_NODELOCAL	0x01
   314 #define IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
   315 #define IPV6_ADDR_SCOPE_LINKLOCAL	0x02
   316 #define IPV6_ADDR_SCOPE_SITELOCAL	0x05
   317 #define IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
   318 #define IPV6_ADDR_SCOPE_GLOBAL		0x0e
   319 #else
   320 #define __IPV6_ADDR_SCOPE_NODELOCAL	0x01
   321 #define __IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
   322 #define __IPV6_ADDR_SCOPE_LINKLOCAL	0x02
   323 #define __IPV6_ADDR_SCOPE_SITELOCAL	0x05
   324 #define __IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
   325 #define __IPV6_ADDR_SCOPE_GLOBAL	0x0e
   326 #endif
   327 
   328 /*
   329  * Unicast Scope
   330  * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
   331  */
   332 #define IN6_IS_ADDR_LINKLOCAL(a)	\
   333 	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
   334 #define IN6_IS_ADDR_SITELOCAL(a)	\
   335 	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
   336 
   337 /*
   338  * Multicast
   339  */
   340 #define IN6_IS_ADDR_MULTICAST(a)	((a)->s6_addr[0] == 0xff)
   341 
   342 #ifdef _KERNEL	/* XXX nonstandard */
   343 #define IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
   344 #else
   345 #define __IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
   346 #endif
   347 
   348 /*
   349  * Multicast Scope
   350  */
   351 #ifdef _KERNEL	/* refers nonstandard items */
   352 #define IN6_IS_ADDR_MC_NODELOCAL(a)	\
   353 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   354 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
   355 #define IN6_IS_ADDR_MC_INTFACELOCAL(a)	\
   356 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   357 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
   358 #define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
   359 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   360 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
   361 #define IN6_IS_ADDR_MC_SITELOCAL(a)	\
   362 	(IN6_IS_ADDR_MULTICAST(a) && 	\
   363 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
   364 #define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
   365 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   366 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
   367 #define IN6_IS_ADDR_MC_GLOBAL(a)	\
   368 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   369 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
   370 #else
   371 #define IN6_IS_ADDR_MC_NODELOCAL(a)	\
   372 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   373 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
   374 #define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
   375 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   376 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
   377 #define IN6_IS_ADDR_MC_SITELOCAL(a)	\
   378 	(IN6_IS_ADDR_MULTICAST(a) && 	\
   379 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
   380 #define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
   381 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   382 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
   383 #define IN6_IS_ADDR_MC_GLOBAL(a)	\
   384 	(IN6_IS_ADDR_MULTICAST(a) &&	\
   385 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
   386 #endif
   387 
   388 #ifdef _KERNEL	/* nonstandard */
   389 /*
   390  * KAME Scope
   391  */
   392 #define IN6_IS_SCOPE_LINKLOCAL(a)	\
   393 	((IN6_IS_ADDR_LINKLOCAL(a)) ||	\
   394 	 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
   395 
   396 #define IFA6_IS_DEPRECATED(a) \
   397 	((a)->ia6_lifetime.ia6t_preferred != 0 && \
   398 	 (a)->ia6_lifetime.ia6t_preferred < time_second)
   399 #define IFA6_IS_INVALID(a) \
   400 	((a)->ia6_lifetime.ia6t_expire != 0 && \
   401 	 (a)->ia6_lifetime.ia6t_expire < time_second)
   402 #endif /* _KERNEL */
   403 
   404 /*
   405  * IP6 route structure
   406  */
   407 #if __BSD_VISIBLE
   408 struct route_in6 {
   409 	struct	rtentry *ro_rt;
   410 	struct	sockaddr_in6 ro_dst;
   411 };
   412 #endif
   413 
   414 /*
   415  * Options for use with [gs]etsockopt at the IPV6 level.
   416  * First word of comment is data type; bool is stored in int.
   417  */
   418 /* no hdrincl */
   419 #if 0 /* the followings are relic in IPv4 and hence are disabled */
   420 #define IPV6_OPTIONS		1  /* buf/ip6_opts; set/get IP6 options */
   421 #define IPV6_RECVOPTS		5  /* bool; receive all IP6 opts w/dgram */
   422 #define IPV6_RECVRETOPTS	6  /* bool; receive IP6 opts for response */
   423 #define IPV6_RECVDSTADDR	7  /* bool; receive IP6 dst addr w/dgram */
   424 #define IPV6_RETOPTS		8  /* ip6_opts; set/get IP6 options */
   425 #endif
   426 #define IPV6_SOCKOPT_RESERVED1	3  /* reserved for future use */
   427 #define IPV6_UNICAST_HOPS	4  /* int; IP6 hops */
   428 #define IPV6_MULTICAST_IF	9  /* u_int; set/get IP6 multicast i/f  */
   429 #define IPV6_MULTICAST_HOPS	10 /* int; set/get IP6 multicast hops */
   430 #define IPV6_MULTICAST_LOOP	11 /* u_int; set/get IP6 multicast loopback */
   431 #define IPV6_JOIN_GROUP		12 /* ip6_mreq; join a group membership */
   432 #define IPV6_LEAVE_GROUP	13 /* ip6_mreq; leave a group membership */
   433 #define IPV6_PORTRANGE		14 /* int; range to choose for unspec port */
   434 #define ICMP6_FILTER		18 /* icmp6_filter; icmp6 filter */
   435 /* RFC2292 options */
   436 #ifdef _KERNEL
   437 #define IPV6_2292PKTINFO	19 /* bool; send/recv if, src/dst addr */
   438 #define IPV6_2292HOPLIMIT	20 /* bool; hop limit */
   439 #define IPV6_2292NEXTHOP	21 /* bool; next hop addr */
   440 #define IPV6_2292HOPOPTS	22 /* bool; hop-by-hop option */
   441 #define IPV6_2292DSTOPTS	23 /* bool; destinaion option */
   442 #define IPV6_2292RTHDR		24 /* bool; routing header */
   443 #define IPV6_2292PKTOPTIONS	25 /* buf/cmsghdr; set/get IPv6 options */
   444 #endif
   445 
   446 #define IPV6_CHECKSUM		26 /* int; checksum offset for raw socket */
   447 #define IPV6_V6ONLY		27 /* bool; make AF_INET6 sockets v6 only */
   448 #ifndef _KERNEL
   449 #define IPV6_BINDV6ONLY		IPV6_V6ONLY
   450 #endif
   451 
   452 #if 1 /* IPSEC */
   453 #define IPV6_IPSEC_POLICY	28 /* struct; get/set security policy */
   454 #endif
   455 #define IPV6_FAITH		29 /* bool; accept FAITH'ed connections */
   456 
   457 #if 1 /* IPV6FIREWALL */
   458 #define IPV6_FW_ADD		30 /* add a firewall rule to chain */
   459 #define IPV6_FW_DEL		31 /* delete a firewall rule from chain */
   460 #define IPV6_FW_FLUSH		32 /* flush firewall rule chain */
   461 #define IPV6_FW_ZERO		33 /* clear single/all firewall counter(s) */
   462 #define IPV6_FW_GET		34 /* get entire firewall rule chain */
   463 #endif
   464 
   465 /* new socket options introduced in RFC3542 */
   466 #define IPV6_RTHDRDSTOPTS	35 /* ip6_dest; send dst option before rthdr */
   467 
   468 #define IPV6_RECVPKTINFO	36 /* bool; recv if, dst addr */
   469 #define IPV6_RECVHOPLIMIT	37 /* bool; recv hop limit */
   470 #define IPV6_RECVRTHDR		38 /* bool; recv routing header */
   471 #define IPV6_RECVHOPOPTS	39 /* bool; recv hop-by-hop option */
   472 #define IPV6_RECVDSTOPTS	40 /* bool; recv dst option after rthdr */
   473 #ifdef _KERNEL
   474 #define IPV6_RECVRTHDRDSTOPTS	41 /* bool; recv dst option before rthdr */
   475 #endif
   476 
   477 #define IPV6_USE_MIN_MTU	42 /* bool; send packets at the minimum MTU */
   478 #define IPV6_RECVPATHMTU	43 /* bool; notify an according MTU */
   479 
   480 #define IPV6_PATHMTU		44 /* mtuinfo; get the current path MTU (sopt),
   481 				      4 bytes int; MTU notification (cmsg) */
   482 #if 0 /*obsoleted during 2292bis -> 3542*/
   483 #define IPV6_REACHCONF		45 /* no data; ND reachability confirm
   484 				      (cmsg only/not in of RFC3542) */
   485 #endif
   486 
   487 /* more new socket options introduced in RFC3542 */
   488 #define IPV6_PKTINFO		46 /* in6_pktinfo; send if, src addr */
   489 #define IPV6_HOPLIMIT		47 /* int; send hop limit */
   490 #define IPV6_NEXTHOP		48 /* sockaddr; next hop addr */
   491 #define IPV6_HOPOPTS		49 /* ip6_hbh; send hop-by-hop option */
   492 #define IPV6_DSTOPTS		50 /* ip6_dest; send dst option befor rthdr */
   493 #define IPV6_RTHDR		51 /* ip6_rthdr; send routing header */
   494 #if 0
   495 #define IPV6_PKTOPTIONS		52 /* buf/cmsghdr; set/get IPv6 options */
   496 				   /* obsoleted by RFC3542 */
   497 #endif
   498 
   499 #define IPV6_RECVTCLASS		57 /* bool; recv traffic class values */
   500 
   501 #define IPV6_AUTOFLOWLABEL	59 /* bool; attach flowlabel automagically */
   502 
   503 #define IPV6_TCLASS		61 /* int; send traffic class value */
   504 #define IPV6_DONTFRAG		62 /* bool; disable IPv6 fragmentation */
   505 
   506 #define IPV6_PREFER_TEMPADDR	63 /* int; prefer temporary addresses as
   507 				    * the source address.
   508 				    */
   509 
   510 /* to define items, should talk with KAME guys first, for *BSD compatibility */
   511 
   512 #define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
   513 #define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
   514 #define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
   515 
   516 /*
   517  * Defaults and limits for options
   518  */
   519 #define IPV6_DEFAULT_MULTICAST_HOPS 1	/* normally limit m'casts to 1 hop */
   520 #define IPV6_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member */
   521 
   522 /*
   523  * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
   524  */
   525 struct ipv6_mreq {
   526 	struct in6_addr	ipv6mr_multiaddr;
   527 	unsigned int	ipv6mr_interface;
   528 };
   529 
   530 /*
   531  * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
   532  */
   533 struct in6_pktinfo {
   534 	struct in6_addr	ipi6_addr;	/* src/dst IPv6 address */
   535 	unsigned int	ipi6_ifindex;	/* send/recv interface index */
   536 };
   537 
   538 /*
   539  * Control structure for IPV6_RECVPATHMTU socket option.
   540  */
   541 struct ip6_mtuinfo {
   542 	struct sockaddr_in6 ip6m_addr;	/* or sockaddr_storage? */
   543 	uint32_t ip6m_mtu;
   544 };
   545 
   546 /*
   547  * Argument for IPV6_PORTRANGE:
   548  * - which range to search when port is unspecified at bind() or connect()
   549  */
   550 #define	IPV6_PORTRANGE_DEFAULT	0	/* default range */
   551 #define	IPV6_PORTRANGE_HIGH	1	/* "high" - request firewall bypass */
   552 #define	IPV6_PORTRANGE_LOW	2	/* "low" - vouchsafe security */
   553 
   554 #if __BSD_VISIBLE
   555 /*
   556  * Definitions for inet6 sysctl operations.
   557  *
   558  * Third level is protocol number.
   559  * Fourth level is desired variable within that protocol.
   560  */
   561 #define IPV6PROTO_MAXID	(IPPROTO_PIM + 1)	/* don't list to IPV6PROTO_MAX */
   562 
   563 /*
   564  * Names for IP sysctl objects
   565  */
   566 #define IPV6CTL_FORWARDING	1	/* act as router */
   567 #define IPV6CTL_SENDREDIRECTS	2	/* may send redirects when forwarding*/
   568 #define IPV6CTL_DEFHLIM		3	/* default Hop-Limit */
   569 #ifdef notyet
   570 #define IPV6CTL_DEFMTU		4	/* default MTU */
   571 #endif
   572 #define IPV6CTL_FORWSRCRT	5	/* forward source-routed dgrams */
   573 #define IPV6CTL_STATS		6	/* stats */
   574 #define IPV6CTL_MRTSTATS	7	/* multicast forwarding stats */
   575 #define IPV6CTL_MRTPROTO	8	/* multicast routing protocol */
   576 #define IPV6CTL_MAXFRAGPACKETS	9	/* max packets reassembly queue */
   577 #define IPV6CTL_SOURCECHECK	10	/* verify source route and intf */
   578 #define IPV6CTL_SOURCECHECK_LOGINT 11	/* minimume logging interval */
   579 #define IPV6CTL_ACCEPT_RTADV	12
   580 #define IPV6CTL_KEEPFAITH	13
   581 #define IPV6CTL_LOG_INTERVAL	14
   582 #define IPV6CTL_HDRNESTLIMIT	15
   583 #define IPV6CTL_DAD_COUNT	16
   584 #define IPV6CTL_AUTO_FLOWLABEL	17
   585 #define IPV6CTL_DEFMCASTHLIM	18
   586 #define IPV6CTL_GIF_HLIM	19	/* default HLIM for gif encap packet */
   587 #define IPV6CTL_KAME_VERSION	20
   588 #define IPV6CTL_USE_DEPRECATED	21	/* use deprecated addr (RFC2462 5.5.4) */
   589 #define IPV6CTL_RR_PRUNE	22	/* walk timer for router renumbering */
   590 #if 0	/* obsolete */
   591 #define IPV6CTL_MAPPED_ADDR	23
   592 #endif
   593 #define IPV6CTL_V6ONLY		24
   594 #define IPV6CTL_RTEXPIRE	25	/* cloned route expiration time */
   595 #define IPV6CTL_RTMINEXPIRE	26	/* min value for expiration time */
   596 #define IPV6CTL_RTMAXCACHE	27	/* trigger level for dynamic expire */
   597 
   598 #define IPV6CTL_USETEMPADDR	32	/* use temporary addresses (RFC3041) */
   599 #define IPV6CTL_TEMPPLTIME	33	/* preferred lifetime for tmpaddrs */
   600 #define IPV6CTL_TEMPVLTIME	34	/* valid lifetime for tmpaddrs */
   601 #define IPV6CTL_AUTO_LINKLOCAL	35	/* automatic link-local addr assign */
   602 #define IPV6CTL_RIP6STATS	36	/* raw_ip6 stats */
   603 #define IPV6CTL_PREFER_TEMPADDR	37	/* prefer temporary addr as src */
   604 #define IPV6CTL_ADDRCTLPOLICY	38	/* get/set address selection policy */
   605 
   606 #define IPV6CTL_MAXFRAGS	41	/* max fragments */
   607 
   608 /* New entries should be added here from current IPV6CTL_MAXID value. */
   609 /* to define items, should talk with KAME guys first, for *BSD compatibility */
   610 /* 42-44 is already used in KAME */
   611 #define IPV6CTL_STEALTH		45
   612 #define IPV6CTL_MAXID		46
   613 #endif /* __BSD_VISIBLE */
   614 
   615 /*
   616  * Redefinition of mbuf flags
   617  */
   618 #define	M_AUTHIPHDR	M_PROTO2
   619 #define	M_DECRYPTED	M_PROTO3
   620 #define	M_LOOP		M_PROTO4
   621 #define	M_AUTHIPDGM	M_PROTO5
   622 
   623 #ifdef _KERNEL
   624 struct cmsghdr;
   625 
   626 struct sockaddr;
   627 extern	u_char	ip6_protox[];
   628 #define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
   629 #define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
   630 #define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
   631 
   632 extern int	(*faithprefix_p)(struct in6_addr *);
   633 #endif /* _KERNEL */
   634 
   635 #ifndef _SIZE_T_DECLARED
   636 typedef	__size_t	size_t;
   637 #define	_SIZE_T_DECLARED
   638 #endif
   639 
   640 #ifndef _SOCKLEN_T_DECLARED
   641 typedef	__socklen_t	socklen_t;
   642 #define	_SOCKLEN_T_DECLARED
   643 #endif
   644 
   645 #if __BSD_VISIBLE
   646 
   647 __BEGIN_DECLS
   648 struct cmsghdr;
   649 __END_DECLS
   650 
   651 #endif /* __BSD_VISIBLE */
   652 
   653 #endif /* !_NETINET6_IN6_H_ */