genericopenlibs/openenvcore/include/netinet6/in6.h
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/include/netinet6/in6.h	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,653 @@
+/*	$FreeBSD: src/sys/netinet6/in6.h,v 1.36.2.2 2005/10/09 05:21:18 ume Exp $	*/
+/*	$KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $	*/
+
+/*-
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*-
+ * Copyright (c) 1982, 1986, 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+* Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).  All rights reserved.
+ *	@(#)in.h	8.3 (Berkeley) 1/3/94
+ */
+
+#ifndef __KAME_NETINET_IN_H_INCLUDED_
+#error "do not include netinet6/in6.h directly, include netinet/in.h.  see RFC2553"
+#endif
+
+#ifndef _NETINET6_IN6_H_
+#define _NETINET6_IN6_H_
+
+/*
+ * Identification of the network protocol stack
+ * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
+ * has the table of implementation/integration differences.
+ */
+#define __KAME__
+#define __KAME_VERSION		"20010528/FreeBSD"
+
+/*
+ * Local port number conventions:
+ *
+ * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
+ * unless a kernel is compiled with IPNOPRIVPORTS defined.
+ *
+ * When a user does a bind(2) or connect(2) with a port number of zero,
+ * a non-conflicting local port address is chosen.
+ *
+ * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
+ * that is settable by sysctl(3); net.inet.ip.anonportmin and
+ * net.inet.ip.anonportmax respectively.
+ *
+ * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
+ * default assignment range.
+ *
+ * The value IP_PORTRANGE_DEFAULT causes the default behavior.
+ *
+ * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
+ * and exists only for FreeBSD compatibility purposes.
+ *
+ * The value IP_PORTRANGE_LOW changes the range to the "low" are
+ * that is (by convention) restricted to privileged processes.
+ * This convention is based on "vouchsafe" principles only.
+ * It is only secure if you trust the remote host to restrict these ports.
+ * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
+ */
+#if __BSD_VISIBLE
+#define	IPV6PORT_RESERVED	1024
+#define	IPV6PORT_ANONMIN	49152
+#define	IPV6PORT_ANONMAX	65535
+#define	IPV6PORT_RESERVEDMIN	600
+#define	IPV6PORT_RESERVEDMAX	(IPV6PORT_RESERVED-1)
+#endif
+
+/*
+ * IPv6 address
+ */
+struct in6_addr {
+	union {
+		uint8_t		__u6_addr8[16];
+		uint16_t	__u6_addr16[8];
+		uint32_t	__u6_addr32[4];
+	} __u6_addr;			/* 128-bit IP6 address */
+};
+
+#define s6_addr   __u6_addr.__u6_addr8
+#ifdef _KERNEL	/* XXX nonstandard */
+#define s6_addr8  __u6_addr.__u6_addr8
+#define s6_addr16 __u6_addr.__u6_addr16
+#define s6_addr32 __u6_addr.__u6_addr32
+#endif
+
+#define INET6_ADDRSTRLEN	46
+
+/*
+ * XXX missing POSIX.1-2001 macro IPPROTO_IPV6.
+ */
+
+/*
+ * Socket address for IPv6
+ */
+#if __BSD_VISIBLE
+#define SIN6_LEN
+#endif
+#ifdef __SYMBIAN32__
+struct sockaddr_in6 {
+	u_short 	sin6_family;	/* AF_INET6 */
+	u_short 	sin6_port;	/* Transport layer port # */
+	struct in6_addr	sin6_addr;	/* IP6 address */
+	uint32_t	sin6_flowinfo;	/* IP6 flow information */
+	uint32_t	sin6_scope_id;	/* scope zone index */
+	uint8_t		sin6_len;	/* length of this struct */
+};
+#else
+struct sockaddr_in6 {
+	uint8_t		sin6_len;	/* length of this struct */
+	sa_family_t	sin6_family;	/* AF_INET6 */
+	in_port_t	sin6_port;	/* Transport layer port # */
+	uint32_t	sin6_flowinfo;	/* IP6 flow information */
+	struct in6_addr	sin6_addr;	/* IP6 address */
+	uint32_t	sin6_scope_id;	/* scope zone index */
+};
+#endif
+
+/*
+ * Local definition for masks
+ */
+#ifdef _KERNEL	/* XXX nonstandard */
+#define IN6MASK0	{{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
+#define IN6MASK32	{{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
+			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK64	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK96	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6MASK128	{{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
+			    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
+#endif
+
+#ifdef _KERNEL
+extern const struct sockaddr_in6 sa6_any;
+
+extern const struct in6_addr in6mask0;
+extern const struct in6_addr in6mask32;
+extern const struct in6_addr in6mask64;
+extern const struct in6_addr in6mask96;
+extern const struct in6_addr in6mask128;
+#endif /* _KERNEL */
+
+/*
+ * Macros started with IPV6_ADDR is KAME local
+ */
+#ifdef _KERNEL	/* XXX nonstandard */
+#if _BYTE_ORDER == _BIG_ENDIAN
+#define IPV6_ADDR_INT32_ONE	1
+#define IPV6_ADDR_INT32_TWO	2
+#define IPV6_ADDR_INT32_MNL	0xff010000
+#define IPV6_ADDR_INT32_MLL	0xff020000
+#define IPV6_ADDR_INT32_SMP	0x0000ffff
+#define IPV6_ADDR_INT16_ULL	0xfe80
+#define IPV6_ADDR_INT16_USL	0xfec0
+#define IPV6_ADDR_INT16_MLL	0xff02
+#elif _BYTE_ORDER == _LITTLE_ENDIAN
+#define IPV6_ADDR_INT32_ONE	0x01000000
+#define IPV6_ADDR_INT32_TWO	0x02000000
+#define IPV6_ADDR_INT32_MNL	0x000001ff
+#define IPV6_ADDR_INT32_MLL	0x000002ff
+#define IPV6_ADDR_INT32_SMP	0xffff0000
+#define IPV6_ADDR_INT16_ULL	0x80fe
+#define IPV6_ADDR_INT16_USL	0xc0fe
+#define IPV6_ADDR_INT16_MLL	0x02ff
+#endif
+#endif
+
+/*
+ * Definition of some useful macros to handle IP6 addresses
+ */
+#if __BSD_VISIBLE
+#define IN6ADDR_ANY_INIT \
+	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
+#define IN6ADDR_LOOPBACK_INIT \
+	{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
+#define IN6ADDR_NODELOCAL_ALLNODES_INIT \
+	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
+#define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \
+	{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
+#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
+	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
+#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
+	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
+#endif
+
+#ifndef __SYMBIAN32__
+extern const struct in6_addr in6addr_any;
+extern const struct in6_addr in6addr_loopback;
+#if __BSD_VISIBLE
+extern const struct in6_addr in6addr_nodelocal_allnodes;
+extern const struct in6_addr in6addr_linklocal_allnodes;
+extern const struct in6_addr in6addr_linklocal_allrouters;
+#endif
+#endif//__SYMBIAN32__
+
+/*
+ * Equality
+ * NOTE: Some of kernel programming environment (for example, openbsd/sparc)
+ * does not supply memcmp().  For userland memcmp() is preferred as it is
+ * in ANSI standard.
+ */
+#ifdef _KERNEL
+#define IN6_ARE_ADDR_EQUAL(a, b)			\
+    (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
+#else
+#if __BSD_VISIBLE
+#define IN6_ARE_ADDR_EQUAL(a, b)			\
+    (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
+#endif
+#endif
+
+#ifdef _KERNEL			/* non standard */
+/* see if two addresses are equal in a scope-conscious manner. */
+#define SA6_ARE_ADDR_EQUAL(a, b) \
+	(((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \
+	  ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
+	 (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
+#endif
+
+/*
+ * Unspecified
+ */
+#define IN6_IS_ADDR_UNSPECIFIED(a)	\
+	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
+
+/*
+ * Loopback
+ */
+#define IN6_IS_ADDR_LOOPBACK(a)		\
+	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
+
+/*
+ * IPv4 compatible
+ */
+#define IN6_IS_ADDR_V4COMPAT(a)		\
+	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
+
+/*
+ * Mapped
+ */
+#define IN6_IS_ADDR_V4MAPPED(a)		      \
+	((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&	\
+	 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
+
+/*
+ * KAME Scope Values
+ */
+
+#ifdef _KERNEL	/* XXX nonstandard */
+#define IPV6_ADDR_SCOPE_NODELOCAL	0x01
+#define IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
+#define IPV6_ADDR_SCOPE_LINKLOCAL	0x02
+#define IPV6_ADDR_SCOPE_SITELOCAL	0x05
+#define IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
+#define IPV6_ADDR_SCOPE_GLOBAL		0x0e
+#else
+#define __IPV6_ADDR_SCOPE_NODELOCAL	0x01
+#define __IPV6_ADDR_SCOPE_INTFACELOCAL	0x01
+#define __IPV6_ADDR_SCOPE_LINKLOCAL	0x02
+#define __IPV6_ADDR_SCOPE_SITELOCAL	0x05
+#define __IPV6_ADDR_SCOPE_ORGLOCAL	0x08	/* just used in this file */
+#define __IPV6_ADDR_SCOPE_GLOBAL	0x0e
+#endif
+
+/*
+ * Unicast Scope
+ * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
+ */
+#define IN6_IS_ADDR_LINKLOCAL(a)	\
+	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
+#define IN6_IS_ADDR_SITELOCAL(a)	\
+	(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
+
+/*
+ * Multicast
+ */
+#define IN6_IS_ADDR_MULTICAST(a)	((a)->s6_addr[0] == 0xff)
+
+#ifdef _KERNEL	/* XXX nonstandard */
+#define IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
+#else
+#define __IPV6_ADDR_MC_SCOPE(a)		((a)->s6_addr[1] & 0x0f)
+#endif
+
+/*
+ * Multicast Scope
+ */
+#ifdef _KERNEL	/* refers nonstandard items */
+#define IN6_IS_ADDR_MC_NODELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
+#define IN6_IS_ADDR_MC_INTFACELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
+#define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
+#define IN6_IS_ADDR_MC_SITELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) && 	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
+#define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
+#define IN6_IS_ADDR_MC_GLOBAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
+#else
+#define IN6_IS_ADDR_MC_NODELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
+#define IN6_IS_ADDR_MC_LINKLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
+#define IN6_IS_ADDR_MC_SITELOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) && 	\
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
+#define IN6_IS_ADDR_MC_ORGLOCAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
+#define IN6_IS_ADDR_MC_GLOBAL(a)	\
+	(IN6_IS_ADDR_MULTICAST(a) &&	\
+	 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
+#endif
+
+#ifdef _KERNEL	/* nonstandard */
+/*
+ * KAME Scope
+ */
+#define IN6_IS_SCOPE_LINKLOCAL(a)	\
+	((IN6_IS_ADDR_LINKLOCAL(a)) ||	\
+	 (IN6_IS_ADDR_MC_LINKLOCAL(a)))
+
+#define IFA6_IS_DEPRECATED(a) \
+	((a)->ia6_lifetime.ia6t_preferred != 0 && \
+	 (a)->ia6_lifetime.ia6t_preferred < time_second)
+#define IFA6_IS_INVALID(a) \
+	((a)->ia6_lifetime.ia6t_expire != 0 && \
+	 (a)->ia6_lifetime.ia6t_expire < time_second)
+#endif /* _KERNEL */
+
+/*
+ * IP6 route structure
+ */
+#if __BSD_VISIBLE
+struct route_in6 {
+	struct	rtentry *ro_rt;
+	struct	sockaddr_in6 ro_dst;
+};
+#endif
+
+/*
+ * Options for use with [gs]etsockopt at the IPV6 level.
+ * First word of comment is data type; bool is stored in int.
+ */
+/* no hdrincl */
+#if 0 /* the followings are relic in IPv4 and hence are disabled */
+#define IPV6_OPTIONS		1  /* buf/ip6_opts; set/get IP6 options */
+#define IPV6_RECVOPTS		5  /* bool; receive all IP6 opts w/dgram */
+#define IPV6_RECVRETOPTS	6  /* bool; receive IP6 opts for response */
+#define IPV6_RECVDSTADDR	7  /* bool; receive IP6 dst addr w/dgram */
+#define IPV6_RETOPTS		8  /* ip6_opts; set/get IP6 options */
+#endif
+#define IPV6_SOCKOPT_RESERVED1	3  /* reserved for future use */
+#define IPV6_UNICAST_HOPS	4  /* int; IP6 hops */
+#define IPV6_MULTICAST_IF	9  /* u_int; set/get IP6 multicast i/f  */
+#define IPV6_MULTICAST_HOPS	10 /* int; set/get IP6 multicast hops */
+#define IPV6_MULTICAST_LOOP	11 /* u_int; set/get IP6 multicast loopback */
+#define IPV6_JOIN_GROUP		12 /* ip6_mreq; join a group membership */
+#define IPV6_LEAVE_GROUP	13 /* ip6_mreq; leave a group membership */
+#define IPV6_PORTRANGE		14 /* int; range to choose for unspec port */
+#define ICMP6_FILTER		18 /* icmp6_filter; icmp6 filter */
+/* RFC2292 options */
+#ifdef _KERNEL
+#define IPV6_2292PKTINFO	19 /* bool; send/recv if, src/dst addr */
+#define IPV6_2292HOPLIMIT	20 /* bool; hop limit */
+#define IPV6_2292NEXTHOP	21 /* bool; next hop addr */
+#define IPV6_2292HOPOPTS	22 /* bool; hop-by-hop option */
+#define IPV6_2292DSTOPTS	23 /* bool; destinaion option */
+#define IPV6_2292RTHDR		24 /* bool; routing header */
+#define IPV6_2292PKTOPTIONS	25 /* buf/cmsghdr; set/get IPv6 options */
+#endif
+
+#define IPV6_CHECKSUM		26 /* int; checksum offset for raw socket */
+#define IPV6_V6ONLY		27 /* bool; make AF_INET6 sockets v6 only */
+#ifndef _KERNEL
+#define IPV6_BINDV6ONLY		IPV6_V6ONLY
+#endif
+
+#if 1 /* IPSEC */
+#define IPV6_IPSEC_POLICY	28 /* struct; get/set security policy */
+#endif
+#define IPV6_FAITH		29 /* bool; accept FAITH'ed connections */
+
+#if 1 /* IPV6FIREWALL */
+#define IPV6_FW_ADD		30 /* add a firewall rule to chain */
+#define IPV6_FW_DEL		31 /* delete a firewall rule from chain */
+#define IPV6_FW_FLUSH		32 /* flush firewall rule chain */
+#define IPV6_FW_ZERO		33 /* clear single/all firewall counter(s) */
+#define IPV6_FW_GET		34 /* get entire firewall rule chain */
+#endif
+
+/* new socket options introduced in RFC3542 */
+#define IPV6_RTHDRDSTOPTS	35 /* ip6_dest; send dst option before rthdr */
+
+#define IPV6_RECVPKTINFO	36 /* bool; recv if, dst addr */
+#define IPV6_RECVHOPLIMIT	37 /* bool; recv hop limit */
+#define IPV6_RECVRTHDR		38 /* bool; recv routing header */
+#define IPV6_RECVHOPOPTS	39 /* bool; recv hop-by-hop option */
+#define IPV6_RECVDSTOPTS	40 /* bool; recv dst option after rthdr */
+#ifdef _KERNEL
+#define IPV6_RECVRTHDRDSTOPTS	41 /* bool; recv dst option before rthdr */
+#endif
+
+#define IPV6_USE_MIN_MTU	42 /* bool; send packets at the minimum MTU */
+#define IPV6_RECVPATHMTU	43 /* bool; notify an according MTU */
+
+#define IPV6_PATHMTU		44 /* mtuinfo; get the current path MTU (sopt),
+				      4 bytes int; MTU notification (cmsg) */
+#if 0 /*obsoleted during 2292bis -> 3542*/
+#define IPV6_REACHCONF		45 /* no data; ND reachability confirm
+				      (cmsg only/not in of RFC3542) */
+#endif
+
+/* more new socket options introduced in RFC3542 */
+#define IPV6_PKTINFO		46 /* in6_pktinfo; send if, src addr */
+#define IPV6_HOPLIMIT		47 /* int; send hop limit */
+#define IPV6_NEXTHOP		48 /* sockaddr; next hop addr */
+#define IPV6_HOPOPTS		49 /* ip6_hbh; send hop-by-hop option */
+#define IPV6_DSTOPTS		50 /* ip6_dest; send dst option befor rthdr */
+#define IPV6_RTHDR		51 /* ip6_rthdr; send routing header */
+#if 0
+#define IPV6_PKTOPTIONS		52 /* buf/cmsghdr; set/get IPv6 options */
+				   /* obsoleted by RFC3542 */
+#endif
+
+#define IPV6_RECVTCLASS		57 /* bool; recv traffic class values */
+
+#define IPV6_AUTOFLOWLABEL	59 /* bool; attach flowlabel automagically */
+
+#define IPV6_TCLASS		61 /* int; send traffic class value */
+#define IPV6_DONTFRAG		62 /* bool; disable IPv6 fragmentation */
+
+#define IPV6_PREFER_TEMPADDR	63 /* int; prefer temporary addresses as
+				    * the source address.
+				    */
+
+/* to define items, should talk with KAME guys first, for *BSD compatibility */
+
+#define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
+#define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
+#define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
+
+/*
+ * Defaults and limits for options
+ */
+#define IPV6_DEFAULT_MULTICAST_HOPS 1	/* normally limit m'casts to 1 hop */
+#define IPV6_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member */
+
+/*
+ * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
+ */
+struct ipv6_mreq {
+	struct in6_addr	ipv6mr_multiaddr;
+	unsigned int	ipv6mr_interface;
+};
+
+/*
+ * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
+ */
+struct in6_pktinfo {
+	struct in6_addr	ipi6_addr;	/* src/dst IPv6 address */
+	unsigned int	ipi6_ifindex;	/* send/recv interface index */
+};
+
+/*
+ * Control structure for IPV6_RECVPATHMTU socket option.
+ */
+struct ip6_mtuinfo {
+	struct sockaddr_in6 ip6m_addr;	/* or sockaddr_storage? */
+	uint32_t ip6m_mtu;
+};
+
+/*
+ * Argument for IPV6_PORTRANGE:
+ * - which range to search when port is unspecified at bind() or connect()
+ */
+#define	IPV6_PORTRANGE_DEFAULT	0	/* default range */
+#define	IPV6_PORTRANGE_HIGH	1	/* "high" - request firewall bypass */
+#define	IPV6_PORTRANGE_LOW	2	/* "low" - vouchsafe security */
+
+#if __BSD_VISIBLE
+/*
+ * Definitions for inet6 sysctl operations.
+ *
+ * Third level is protocol number.
+ * Fourth level is desired variable within that protocol.
+ */
+#define IPV6PROTO_MAXID	(IPPROTO_PIM + 1)	/* don't list to IPV6PROTO_MAX */
+
+/*
+ * Names for IP sysctl objects
+ */
+#define IPV6CTL_FORWARDING	1	/* act as router */
+#define IPV6CTL_SENDREDIRECTS	2	/* may send redirects when forwarding*/
+#define IPV6CTL_DEFHLIM		3	/* default Hop-Limit */
+#ifdef notyet
+#define IPV6CTL_DEFMTU		4	/* default MTU */
+#endif
+#define IPV6CTL_FORWSRCRT	5	/* forward source-routed dgrams */
+#define IPV6CTL_STATS		6	/* stats */
+#define IPV6CTL_MRTSTATS	7	/* multicast forwarding stats */
+#define IPV6CTL_MRTPROTO	8	/* multicast routing protocol */
+#define IPV6CTL_MAXFRAGPACKETS	9	/* max packets reassembly queue */
+#define IPV6CTL_SOURCECHECK	10	/* verify source route and intf */
+#define IPV6CTL_SOURCECHECK_LOGINT 11	/* minimume logging interval */
+#define IPV6CTL_ACCEPT_RTADV	12
+#define IPV6CTL_KEEPFAITH	13
+#define IPV6CTL_LOG_INTERVAL	14
+#define IPV6CTL_HDRNESTLIMIT	15
+#define IPV6CTL_DAD_COUNT	16
+#define IPV6CTL_AUTO_FLOWLABEL	17
+#define IPV6CTL_DEFMCASTHLIM	18
+#define IPV6CTL_GIF_HLIM	19	/* default HLIM for gif encap packet */
+#define IPV6CTL_KAME_VERSION	20
+#define IPV6CTL_USE_DEPRECATED	21	/* use deprecated addr (RFC2462 5.5.4) */
+#define IPV6CTL_RR_PRUNE	22	/* walk timer for router renumbering */
+#if 0	/* obsolete */
+#define IPV6CTL_MAPPED_ADDR	23
+#endif
+#define IPV6CTL_V6ONLY		24
+#define IPV6CTL_RTEXPIRE	25	/* cloned route expiration time */
+#define IPV6CTL_RTMINEXPIRE	26	/* min value for expiration time */
+#define IPV6CTL_RTMAXCACHE	27	/* trigger level for dynamic expire */
+
+#define IPV6CTL_USETEMPADDR	32	/* use temporary addresses (RFC3041) */
+#define IPV6CTL_TEMPPLTIME	33	/* preferred lifetime for tmpaddrs */
+#define IPV6CTL_TEMPVLTIME	34	/* valid lifetime for tmpaddrs */
+#define IPV6CTL_AUTO_LINKLOCAL	35	/* automatic link-local addr assign */
+#define IPV6CTL_RIP6STATS	36	/* raw_ip6 stats */
+#define IPV6CTL_PREFER_TEMPADDR	37	/* prefer temporary addr as src */
+#define IPV6CTL_ADDRCTLPOLICY	38	/* get/set address selection policy */
+
+#define IPV6CTL_MAXFRAGS	41	/* max fragments */
+
+/* New entries should be added here from current IPV6CTL_MAXID value. */
+/* to define items, should talk with KAME guys first, for *BSD compatibility */
+/* 42-44 is already used in KAME */
+#define IPV6CTL_STEALTH		45
+#define IPV6CTL_MAXID		46
+#endif /* __BSD_VISIBLE */
+
+/*
+ * Redefinition of mbuf flags
+ */
+#define	M_AUTHIPHDR	M_PROTO2
+#define	M_DECRYPTED	M_PROTO3
+#define	M_LOOP		M_PROTO4
+#define	M_AUTHIPDGM	M_PROTO5
+
+#ifdef _KERNEL
+struct cmsghdr;
+
+struct sockaddr;
+extern	u_char	ip6_protox[];
+#define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
+#define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
+#define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
+
+extern int	(*faithprefix_p)(struct in6_addr *);
+#endif /* _KERNEL */
+
+#ifndef _SIZE_T_DECLARED
+typedef	__size_t	size_t;
+#define	_SIZE_T_DECLARED
+#endif
+
+#ifndef _SOCKLEN_T_DECLARED
+typedef	__socklen_t	socklen_t;
+#define	_SOCKLEN_T_DECLARED
+#endif
+
+#if __BSD_VISIBLE
+
+__BEGIN_DECLS
+struct cmsghdr;
+__END_DECLS
+
+#endif /* __BSD_VISIBLE */
+
+#endif /* !_NETINET6_IN6_H_ */