sl@0: /*	$FreeBSD: src/sys/netinet6/in6.h,v 1.36.2.2 2005/10/09 05:21:18 ume Exp $	*/
sl@0: /*	$KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $	*/
sl@0: 
sl@0: /*-
sl@0:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. Neither the name of the project nor the names of its contributors
sl@0:  *    may be used to endorse or promote products derived from this software
sl@0:  *    without specific prior written permission.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  */
sl@0: 
sl@0: /*-
sl@0:  * Copyright (c) 1982, 1986, 1990, 1993
sl@0:  *	The Regents of the University of California.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 4. Neither the name of the University nor the names of its contributors
sl@0:  *    may be used to endorse or promote products derived from this software
sl@0:  *    without specific prior written permission.
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0: * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).  All rights reserved.
sl@0:  *	@(#)in.h	8.3 (Berkeley) 1/3/94
sl@0:  */
sl@0: 
sl@0: #ifndef __KAME_NETINET_IN_H_INCLUDED_
sl@0: #error "do not include netinet6/in6.h directly, include netinet/in.h.  see RFC2553"
sl@0: #endif
sl@0: 
sl@0: #ifndef _NETINET6_IN6_H_
sl@0: #define _NETINET6_IN6_H_
sl@0: 
sl@0: /*
sl@0:  * Identification of the network protocol stack
sl@0:  * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
sl@0:  * has the table of implementation/integration differences.
sl@0:  */
sl@0: #define __KAME__
sl@0: #define __KAME_VERSION		"20010528/FreeBSD"
sl@0: 
sl@0: /*
sl@0:  * Local port number conventions:
sl@0:  *
sl@0:  * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
sl@0:  * unless a kernel is compiled with IPNOPRIVPORTS defined.
sl@0:  *
sl@0:  * When a user does a bind(2) or connect(2) with a port number of zero,
sl@0:  * a non-conflicting local port address is chosen.
sl@0:  *
sl@0:  * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
sl@0:  * that is settable by sysctl(3); net.inet.ip.anonportmin and
sl@0:  * net.inet.ip.anonportmax respectively.
sl@0:  *
sl@0:  * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
sl@0:  * default assignment range.
sl@0:  *
sl@0:  * The value IP_PORTRANGE_DEFAULT causes the default behavior.
sl@0:  *
sl@0:  * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
sl@0:  * and exists only for FreeBSD compatibility purposes.
sl@0:  *
sl@0:  * The value IP_PORTRANGE_LOW changes the range to the "low" are
sl@0:  * that is (by convention) restricted to privileged processes.
sl@0:  * This convention is based on "vouchsafe" principles only.
sl@0:  * It is only secure if you trust the remote host to restrict these ports.
sl@0:  * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define	IPV6PORT_RESERVED	1024
sl@0: #define	IPV6PORT_ANONMIN	49152
sl@0: #define	IPV6PORT_ANONMAX	65535
sl@0: #define	IPV6PORT_RESERVEDMIN	600
sl@0: #define	IPV6PORT_RESERVEDMAX	(IPV6PORT_RESERVED-1)
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * IPv6 address
sl@0:  */
sl@0: struct in6_addr {
sl@0: 	union {
sl@0: 		uint8_t		__u6_addr8[16];
sl@0: 		uint16_t	__u6_addr16[8];
sl@0: 		uint32_t	__u6_addr32[4];
sl@0: 	} __u6_addr;			/* 128-bit IP6 address */
sl@0: };
sl@0: 
sl@0: #define s6_addr   __u6_addr.__u6_addr8
sl@0: #ifdef _KERNEL	/* XXX nonstandard */
sl@0: #define s6_addr8  __u6_addr.__u6_addr8
sl@0: #define s6_addr16 __u6_addr.__u6_addr16
sl@0: #define s6_addr32 __u6_addr.__u6_addr32
sl@0: #endif
sl@0: 
sl@0: #define INET6_ADDRSTRLEN	46
sl@0: 
sl@0: /*
sl@0:  * XXX missing POSIX.1-2001 macro IPPROTO_IPV6.
sl@0:  */
sl@0: 
sl@0: /*
sl@0:  * Socket address for IPv6
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define SIN6_LEN
sl@0: #endif
sl@0: #ifdef __SYMBIAN32__
sl@0: struct sockaddr_in6 {
sl@0: 	u_short 	sin6_family;	/* AF_INET6 */
sl@0: 	u_short 	sin6_port;	/* Transport layer port # */
sl@0: 	struct in6_addr	sin6_addr;	/* IP6 address */
sl@0: 	uint32_t	sin6_flowinfo;	/* IP6 flow information */
sl@0: 	uint32_t	sin6_scope_id;	/* scope zone index */
sl@0: 	uint8_t		sin6_len;	/* length of this struct */
sl@0: };
sl@0: #else
sl@0: struct sockaddr_in6 {
sl@0: 	uint8_t		sin6_len;	/* length of this struct */
sl@0: 	sa_family_t	sin6_family;	/* AF_INET6 */
sl@0: 	in_port_t	sin6_port;	/* Transport layer port # */
sl@0: 	uint32_t	sin6_flowinfo;	/* IP6 flow information */
sl@0: 	struct in6_addr	sin6_addr;	/* IP6 address */
sl@0: 	uint32_t	sin6_scope_id;	/* scope zone index */
sl@0: };
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Local definition for masks
sl@0:  */
sl@0: #ifdef _KERNEL	/* XXX nonstandard */
sl@0: #define IN6MASK0	{{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
sl@0: #define IN6MASK32	{{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
sl@0: 			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
sl@0: #define IN6MASK64	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
sl@0: 			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
sl@0: #define IN6MASK96	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
sl@0: 			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
sl@0: #define IN6MASK128	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
sl@0: 			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
sl@0: #endif
sl@0: 
sl@0: #ifdef _KERNEL
sl@0: extern const struct sockaddr_in6 sa6_any;
sl@0: 
sl@0: extern const struct in6_addr in6mask0;
sl@0: extern const struct in6_addr in6mask32;
sl@0: extern const struct in6_addr in6mask64;
sl@0: extern const struct in6_addr in6mask96;
sl@0: extern const struct in6_addr in6mask128;
sl@0: #endif /* _KERNEL */
sl@0: 
sl@0: /*
sl@0:  * Macros started with IPV6_ADDR is KAME local
sl@0:  */
sl@0: #ifdef _KERNEL	/* XXX nonstandard */
sl@0: #if _BYTE_ORDER == _BIG_ENDIAN
sl@0: #define IPV6_ADDR_INT32_ONE	1
sl@0: #define IPV6_ADDR_INT32_TWO	2
sl@0: #define IPV6_ADDR_INT32_MNL	0xff010000
sl@0: #define IPV6_ADDR_INT32_MLL	0xff020000
sl@0: #define IPV6_ADDR_INT32_SMP	0x0000ffff
sl@0: #define IPV6_ADDR_INT16_ULL	0xfe80
sl@0: #define IPV6_ADDR_INT16_USL	0xfec0
sl@0: #define IPV6_ADDR_INT16_MLL	0xff02
sl@0: #elif _BYTE_ORDER == _LITTLE_ENDIAN
sl@0: #define IPV6_ADDR_INT32_ONE	0x01000000
sl@0: #define IPV6_ADDR_INT32_TWO	0x02000000
sl@0: #define IPV6_ADDR_INT32_MNL	0x000001ff
sl@0: #define IPV6_ADDR_INT32_MLL	0x000002ff
sl@0: #define IPV6_ADDR_INT32_SMP	0xffff0000
sl@0: #define IPV6_ADDR_INT16_ULL	0x80fe
sl@0: #define IPV6_ADDR_INT16_USL	0xc0fe
sl@0: #define IPV6_ADDR_INT16_MLL	0x02ff
sl@0: #endif
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Definition of some useful macros to handle IP6 addresses
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: #define IN6ADDR_ANY_INIT \
sl@0: 	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
sl@0: #define IN6ADDR_LOOPBACK_INIT \
sl@0: 	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
sl@0: #define IN6ADDR_NODELOCAL_ALLNODES_INIT \
sl@0: 	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
sl@0: #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \
sl@0: 	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
sl@0: #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
sl@0: 	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
sl@0: #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
sl@0: 	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
sl@0: 	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
sl@0: #endif
sl@0: 
sl@0: #ifndef __SYMBIAN32__
sl@0: extern const struct in6_addr in6addr_any;
sl@0: extern const struct in6_addr in6addr_loopback;
sl@0: #if __BSD_VISIBLE
sl@0: extern const struct in6_addr in6addr_nodelocal_allnodes;
sl@0: extern const struct in6_addr in6addr_linklocal_allnodes;
sl@0: extern const struct in6_addr in6addr_linklocal_allrouters;
sl@0: #endif
sl@0: #endif//__SYMBIAN32__
sl@0: 
sl@0: /*
sl@0:  * Equality
sl@0:  * NOTE: Some of kernel programming environment (for example, openbsd/sparc)
sl@0:  * does not supply memcmp().  For userland memcmp() is preferred as it is
sl@0:  * in ANSI standard.
sl@0:  */
sl@0: #ifdef _KERNEL
sl@0: #define IN6_ARE_ADDR_EQUAL(a, b)			\
sl@0:     (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
sl@0: #else
sl@0: #if __BSD_VISIBLE
sl@0: #define IN6_ARE_ADDR_EQUAL(a, b)			\
sl@0:     (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
sl@0: #endif
sl@0: #endif
sl@0: 
sl@0: #ifdef _KERNEL			/* non standard */
sl@0: /* see if two addresses are equal in a scope-conscious manner. */
sl@0: #define SA6_ARE_ADDR_EQUAL(a, b) \
sl@0: 	(((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \
sl@0: 	  ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
sl@0: 	 (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Unspecified
sl@0:  */
sl@0: #define IN6_IS_ADDR_UNSPECIFIED(a)	\
sl@0: 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
sl@0: 
sl@0: /*
sl@0:  * Loopback
sl@0:  */
sl@0: #define IN6_IS_ADDR_LOOPBACK(a)		\
sl@0: 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
sl@0: 
sl@0: /*
sl@0:  * IPv4 compatible
sl@0:  */
sl@0: #define IN6_IS_ADDR_V4COMPAT(a)		\
sl@0: 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
sl@0: 
sl@0: /*
sl@0:  * Mapped
sl@0:  */
sl@0: #define IN6_IS_ADDR_V4MAPPED(a)		      \
sl@0: 	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
sl@0: 	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
sl@0: 
sl@0: /*
sl@0:  * KAME Scope Values
sl@0:  */
sl@0: 
sl@0: #ifdef _KERNEL	/* XXX nonstandard */
sl@0: #define IPV6_ADDR_SCOPE_NODELOCAL	0x01
sl@0: #define IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
sl@0: #define IPV6_ADDR_SCOPE_LINKLOCAL	0x02
sl@0: #define IPV6_ADDR_SCOPE_SITELOCAL	0x05
sl@0: #define IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
sl@0: #define IPV6_ADDR_SCOPE_GLOBAL		0x0e
sl@0: #else
sl@0: #define __IPV6_ADDR_SCOPE_NODELOCAL	0x01
sl@0: #define __IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
sl@0: #define __IPV6_ADDR_SCOPE_LINKLOCAL	0x02
sl@0: #define __IPV6_ADDR_SCOPE_SITELOCAL	0x05
sl@0: #define __IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
sl@0: #define __IPV6_ADDR_SCOPE_GLOBAL	0x0e
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Unicast Scope
sl@0:  * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
sl@0:  */
sl@0: #define IN6_IS_ADDR_LINKLOCAL(a)	\
sl@0: 	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
sl@0: #define IN6_IS_ADDR_SITELOCAL(a)	\
sl@0: 	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
sl@0: 
sl@0: /*
sl@0:  * Multicast
sl@0:  */
sl@0: #define IN6_IS_ADDR_MULTICAST(a)	((a)->s6_addr[0] == 0xff)
sl@0: 
sl@0: #ifdef _KERNEL	/* XXX nonstandard */
sl@0: #define IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
sl@0: #else
sl@0: #define __IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Multicast Scope
sl@0:  */
sl@0: #ifdef _KERNEL	/* refers nonstandard items */
sl@0: #define IN6_IS_ADDR_MC_NODELOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
sl@0: #define IN6_IS_ADDR_MC_INTFACELOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
sl@0: #define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
sl@0: #define IN6_IS_ADDR_MC_SITELOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) && 	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
sl@0: #define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
sl@0: #define IN6_IS_ADDR_MC_GLOBAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
sl@0: #else
sl@0: #define IN6_IS_ADDR_MC_NODELOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
sl@0: #define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
sl@0: #define IN6_IS_ADDR_MC_SITELOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) && 	\
sl@0: 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
sl@0: #define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
sl@0: #define IN6_IS_ADDR_MC_GLOBAL(a)	\
sl@0: 	(IN6_IS_ADDR_MULTICAST(a) &&	\
sl@0: 	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
sl@0: #endif
sl@0: 
sl@0: #ifdef _KERNEL	/* nonstandard */
sl@0: /*
sl@0:  * KAME Scope
sl@0:  */
sl@0: #define IN6_IS_SCOPE_LINKLOCAL(a)	\
sl@0: 	((IN6_IS_ADDR_LINKLOCAL(a)) ||	\
sl@0: 	 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
sl@0: 
sl@0: #define IFA6_IS_DEPRECATED(a) \
sl@0: 	((a)->ia6_lifetime.ia6t_preferred != 0 && \
sl@0: 	 (a)->ia6_lifetime.ia6t_preferred < time_second)
sl@0: #define IFA6_IS_INVALID(a) \
sl@0: 	((a)->ia6_lifetime.ia6t_expire != 0 && \
sl@0: 	 (a)->ia6_lifetime.ia6t_expire < time_second)
sl@0: #endif /* _KERNEL */
sl@0: 
sl@0: /*
sl@0:  * IP6 route structure
sl@0:  */
sl@0: #if __BSD_VISIBLE
sl@0: struct route_in6 {
sl@0: 	struct	rtentry *ro_rt;
sl@0: 	struct	sockaddr_in6 ro_dst;
sl@0: };
sl@0: #endif
sl@0: 
sl@0: /*
sl@0:  * Options for use with [gs]etsockopt at the IPV6 level.
sl@0:  * First word of comment is data type; bool is stored in int.
sl@0:  */
sl@0: /* no hdrincl */
sl@0: #if 0 /* the followings are relic in IPv4 and hence are disabled */
sl@0: #define IPV6_OPTIONS		1  /* buf/ip6_opts; set/get IP6 options */
sl@0: #define IPV6_RECVOPTS		5  /* bool; receive all IP6 opts w/dgram */
sl@0: #define IPV6_RECVRETOPTS	6  /* bool; receive IP6 opts for response */
sl@0: #define IPV6_RECVDSTADDR	7  /* bool; receive IP6 dst addr w/dgram */
sl@0: #define IPV6_RETOPTS		8  /* ip6_opts; set/get IP6 options */
sl@0: #endif
sl@0: #define IPV6_SOCKOPT_RESERVED1	3  /* reserved for future use */
sl@0: #define IPV6_UNICAST_HOPS	4  /* int; IP6 hops */
sl@0: #define IPV6_MULTICAST_IF	9  /* u_int; set/get IP6 multicast i/f  */
sl@0: #define IPV6_MULTICAST_HOPS	10 /* int; set/get IP6 multicast hops */
sl@0: #define IPV6_MULTICAST_LOOP	11 /* u_int; set/get IP6 multicast loopback */
sl@0: #define IPV6_JOIN_GROUP		12 /* ip6_mreq; join a group membership */
sl@0: #define IPV6_LEAVE_GROUP	13 /* ip6_mreq; leave a group membership */
sl@0: #define IPV6_PORTRANGE		14 /* int; range to choose for unspec port */
sl@0: #define ICMP6_FILTER		18 /* icmp6_filter; icmp6 filter */
sl@0: /* RFC2292 options */
sl@0: #ifdef _KERNEL
sl@0: #define IPV6_2292PKTINFO	19 /* bool; send/recv if, src/dst addr */
sl@0: #define IPV6_2292HOPLIMIT	20 /* bool; hop limit */
sl@0: #define IPV6_2292NEXTHOP	21 /* bool; next hop addr */
sl@0: #define IPV6_2292HOPOPTS	22 /* bool; hop-by-hop option */
sl@0: #define IPV6_2292DSTOPTS	23 /* bool; destinaion option */
sl@0: #define IPV6_2292RTHDR		24 /* bool; routing header */
sl@0: #define IPV6_2292PKTOPTIONS	25 /* buf/cmsghdr; set/get IPv6 options */
sl@0: #endif
sl@0: 
sl@0: #define IPV6_CHECKSUM		26 /* int; checksum offset for raw socket */
sl@0: #define IPV6_V6ONLY		27 /* bool; make AF_INET6 sockets v6 only */
sl@0: #ifndef _KERNEL
sl@0: #define IPV6_BINDV6ONLY		IPV6_V6ONLY
sl@0: #endif
sl@0: 
sl@0: #if 1 /* IPSEC */
sl@0: #define IPV6_IPSEC_POLICY	28 /* struct; get/set security policy */
sl@0: #endif
sl@0: #define IPV6_FAITH		29 /* bool; accept FAITH'ed connections */
sl@0: 
sl@0: #if 1 /* IPV6FIREWALL */
sl@0: #define IPV6_FW_ADD		30 /* add a firewall rule to chain */
sl@0: #define IPV6_FW_DEL		31 /* delete a firewall rule from chain */
sl@0: #define IPV6_FW_FLUSH		32 /* flush firewall rule chain */
sl@0: #define IPV6_FW_ZERO		33 /* clear single/all firewall counter(s) */
sl@0: #define IPV6_FW_GET		34 /* get entire firewall rule chain */
sl@0: #endif
sl@0: 
sl@0: /* new socket options introduced in RFC3542 */
sl@0: #define IPV6_RTHDRDSTOPTS	35 /* ip6_dest; send dst option before rthdr */
sl@0: 
sl@0: #define IPV6_RECVPKTINFO	36 /* bool; recv if, dst addr */
sl@0: #define IPV6_RECVHOPLIMIT	37 /* bool; recv hop limit */
sl@0: #define IPV6_RECVRTHDR		38 /* bool; recv routing header */
sl@0: #define IPV6_RECVHOPOPTS	39 /* bool; recv hop-by-hop option */
sl@0: #define IPV6_RECVDSTOPTS	40 /* bool; recv dst option after rthdr */
sl@0: #ifdef _KERNEL
sl@0: #define IPV6_RECVRTHDRDSTOPTS	41 /* bool; recv dst option before rthdr */
sl@0: #endif
sl@0: 
sl@0: #define IPV6_USE_MIN_MTU	42 /* bool; send packets at the minimum MTU */
sl@0: #define IPV6_RECVPATHMTU	43 /* bool; notify an according MTU */
sl@0: 
sl@0: #define IPV6_PATHMTU		44 /* mtuinfo; get the current path MTU (sopt),
sl@0: 				      4 bytes int; MTU notification (cmsg) */
sl@0: #if 0 /*obsoleted during 2292bis -> 3542*/
sl@0: #define IPV6_REACHCONF		45 /* no data; ND reachability confirm
sl@0: 				      (cmsg only/not in of RFC3542) */
sl@0: #endif
sl@0: 
sl@0: /* more new socket options introduced in RFC3542 */
sl@0: #define IPV6_PKTINFO		46 /* in6_pktinfo; send if, src addr */
sl@0: #define IPV6_HOPLIMIT		47 /* int; send hop limit */
sl@0: #define IPV6_NEXTHOP		48 /* sockaddr; next hop addr */
sl@0: #define IPV6_HOPOPTS		49 /* ip6_hbh; send hop-by-hop option */
sl@0: #define IPV6_DSTOPTS		50 /* ip6_dest; send dst option befor rthdr */
sl@0: #define IPV6_RTHDR		51 /* ip6_rthdr; send routing header */
sl@0: #if 0
sl@0: #define IPV6_PKTOPTIONS		52 /* buf/cmsghdr; set/get IPv6 options */
sl@0: 				   /* obsoleted by RFC3542 */
sl@0: #endif
sl@0: 
sl@0: #define IPV6_RECVTCLASS		57 /* bool; recv traffic class values */
sl@0: 
sl@0: #define IPV6_AUTOFLOWLABEL	59 /* bool; attach flowlabel automagically */
sl@0: 
sl@0: #define IPV6_TCLASS		61 /* int; send traffic class value */
sl@0: #define IPV6_DONTFRAG		62 /* bool; disable IPv6 fragmentation */
sl@0: 
sl@0: #define IPV6_PREFER_TEMPADDR	63 /* int; prefer temporary addresses as
sl@0: 				    * the source address.
sl@0: 				    */
sl@0: 
sl@0: /* to define items, should talk with KAME guys first, for *BSD compatibility */
sl@0: 
sl@0: #define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
sl@0: #define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
sl@0: #define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
sl@0: 
sl@0: /*
sl@0:  * Defaults and limits for options
sl@0:  */
sl@0: #define IPV6_DEFAULT_MULTICAST_HOPS 1	/* normally limit m'casts to 1 hop */
sl@0: #define IPV6_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member */
sl@0: 
sl@0: /*
sl@0:  * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
sl@0:  */
sl@0: struct ipv6_mreq {
sl@0: 	struct in6_addr	ipv6mr_multiaddr;
sl@0: 	unsigned int	ipv6mr_interface;
sl@0: };
sl@0: 
sl@0: /*
sl@0:  * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
sl@0:  */
sl@0: struct in6_pktinfo {
sl@0: 	struct in6_addr	ipi6_addr;	/* src/dst IPv6 address */
sl@0: 	unsigned int	ipi6_ifindex;	/* send/recv interface index */
sl@0: };
sl@0: 
sl@0: /*
sl@0:  * Control structure for IPV6_RECVPATHMTU socket option.
sl@0:  */
sl@0: struct ip6_mtuinfo {
sl@0: 	struct sockaddr_in6 ip6m_addr;	/* or sockaddr_storage? */
sl@0: 	uint32_t ip6m_mtu;
sl@0: };
sl@0: 
sl@0: /*
sl@0:  * Argument for IPV6_PORTRANGE:
sl@0:  * - which range to search when port is unspecified at bind() or connect()
sl@0:  */
sl@0: #define	IPV6_PORTRANGE_DEFAULT	0	/* default range */
sl@0: #define	IPV6_PORTRANGE_HIGH	1	/* "high" - request firewall bypass */
sl@0: #define	IPV6_PORTRANGE_LOW	2	/* "low" - vouchsafe security */
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: /*
sl@0:  * Definitions for inet6 sysctl operations.
sl@0:  *
sl@0:  * Third level is protocol number.
sl@0:  * Fourth level is desired variable within that protocol.
sl@0:  */
sl@0: #define IPV6PROTO_MAXID	(IPPROTO_PIM + 1)	/* don't list to IPV6PROTO_MAX */
sl@0: 
sl@0: /*
sl@0:  * Names for IP sysctl objects
sl@0:  */
sl@0: #define IPV6CTL_FORWARDING	1	/* act as router */
sl@0: #define IPV6CTL_SENDREDIRECTS	2	/* may send redirects when forwarding*/
sl@0: #define IPV6CTL_DEFHLIM		3	/* default Hop-Limit */
sl@0: #ifdef notyet
sl@0: #define IPV6CTL_DEFMTU		4	/* default MTU */
sl@0: #endif
sl@0: #define IPV6CTL_FORWSRCRT	5	/* forward source-routed dgrams */
sl@0: #define IPV6CTL_STATS		6	/* stats */
sl@0: #define IPV6CTL_MRTSTATS	7	/* multicast forwarding stats */
sl@0: #define IPV6CTL_MRTPROTO	8	/* multicast routing protocol */
sl@0: #define IPV6CTL_MAXFRAGPACKETS	9	/* max packets reassembly queue */
sl@0: #define IPV6CTL_SOURCECHECK	10	/* verify source route and intf */
sl@0: #define IPV6CTL_SOURCECHECK_LOGINT 11	/* minimume logging interval */
sl@0: #define IPV6CTL_ACCEPT_RTADV	12
sl@0: #define IPV6CTL_KEEPFAITH	13
sl@0: #define IPV6CTL_LOG_INTERVAL	14
sl@0: #define IPV6CTL_HDRNESTLIMIT	15
sl@0: #define IPV6CTL_DAD_COUNT	16
sl@0: #define IPV6CTL_AUTO_FLOWLABEL	17
sl@0: #define IPV6CTL_DEFMCASTHLIM	18
sl@0: #define IPV6CTL_GIF_HLIM	19	/* default HLIM for gif encap packet */
sl@0: #define IPV6CTL_KAME_VERSION	20
sl@0: #define IPV6CTL_USE_DEPRECATED	21	/* use deprecated addr (RFC2462 5.5.4) */
sl@0: #define IPV6CTL_RR_PRUNE	22	/* walk timer for router renumbering */
sl@0: #if 0	/* obsolete */
sl@0: #define IPV6CTL_MAPPED_ADDR	23
sl@0: #endif
sl@0: #define IPV6CTL_V6ONLY		24
sl@0: #define IPV6CTL_RTEXPIRE	25	/* cloned route expiration time */
sl@0: #define IPV6CTL_RTMINEXPIRE	26	/* min value for expiration time */
sl@0: #define IPV6CTL_RTMAXCACHE	27	/* trigger level for dynamic expire */
sl@0: 
sl@0: #define IPV6CTL_USETEMPADDR	32	/* use temporary addresses (RFC3041) */
sl@0: #define IPV6CTL_TEMPPLTIME	33	/* preferred lifetime for tmpaddrs */
sl@0: #define IPV6CTL_TEMPVLTIME	34	/* valid lifetime for tmpaddrs */
sl@0: #define IPV6CTL_AUTO_LINKLOCAL	35	/* automatic link-local addr assign */
sl@0: #define IPV6CTL_RIP6STATS	36	/* raw_ip6 stats */
sl@0: #define IPV6CTL_PREFER_TEMPADDR	37	/* prefer temporary addr as src */
sl@0: #define IPV6CTL_ADDRCTLPOLICY	38	/* get/set address selection policy */
sl@0: 
sl@0: #define IPV6CTL_MAXFRAGS	41	/* max fragments */
sl@0: 
sl@0: /* New entries should be added here from current IPV6CTL_MAXID value. */
sl@0: /* to define items, should talk with KAME guys first, for *BSD compatibility */
sl@0: /* 42-44 is already used in KAME */
sl@0: #define IPV6CTL_STEALTH		45
sl@0: #define IPV6CTL_MAXID		46
sl@0: #endif /* __BSD_VISIBLE */
sl@0: 
sl@0: /*
sl@0:  * Redefinition of mbuf flags
sl@0:  */
sl@0: #define	M_AUTHIPHDR	M_PROTO2
sl@0: #define	M_DECRYPTED	M_PROTO3
sl@0: #define	M_LOOP		M_PROTO4
sl@0: #define	M_AUTHIPDGM	M_PROTO5
sl@0: 
sl@0: #ifdef _KERNEL
sl@0: struct cmsghdr;
sl@0: 
sl@0: struct sockaddr;
sl@0: extern	u_char	ip6_protox[];
sl@0: #define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
sl@0: #define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
sl@0: #define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
sl@0: 
sl@0: extern int	(*faithprefix_p)(struct in6_addr *);
sl@0: #endif /* _KERNEL */
sl@0: 
sl@0: #ifndef _SIZE_T_DECLARED
sl@0: typedef	__size_t	size_t;
sl@0: #define	_SIZE_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #ifndef _SOCKLEN_T_DECLARED
sl@0: typedef	__socklen_t	socklen_t;
sl@0: #define	_SOCKLEN_T_DECLARED
sl@0: #endif
sl@0: 
sl@0: #if __BSD_VISIBLE
sl@0: 
sl@0: __BEGIN_DECLS
sl@0: struct cmsghdr;
sl@0: __END_DECLS
sl@0: 
sl@0: #endif /* __BSD_VISIBLE */
sl@0: 
sl@0: #endif /* !_NETINET6_IN6_H_ */