libnetworking: Import current <netinet6/in6.h>

Import the <netinet6/in6.h> from current FreeBSD.  This allows to build
some current software (e.g. libressl).

3 files changed, 760 insertions, 0 deletions

diff --git a/cpukit/libnetworking/Makefile.am b/cpukit/libnetworking/Makefile.am
index 902d68be10..6ef2f71767 100644
--- a/cpukit/libnetworking/Makefile.am
+++ b/cpukit/libnetworking/Makefile.am
@@ -121,6 +121,12 @@ libnetworking_a_SOURCES += netinet/if_ether.c netinet/igmp.c netinet/in.c \
     netinet/udp_usrreq.c netinet/in_cksum_arm.h netinet/in_cksum_i386.h \
     netinet/in_cksum_m68k.h netinet/in_cksum_powerpc.h
 
+## netinet6
+
+include_netinet6dir = $(includedir)/netinet6
+
+include_netinet6_HEADERS = netinet6/in6.h
+
 ## nfs
 
 include_nfsdir = $(includedir)/nfs
diff --git a/cpukit/libnetworking/netinet6/in6.h b/cpukit/libnetworking/netinet6/in6.h
new file mode 100644
index 0000000000..c5297690b2
--- /dev/null
+++ b/cpukit/libnetworking/netinet6/in6.h
@@ -0,0 +1,745 @@
+/*-
+ * 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.
+ *
+ *	$KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $
+ */
+
+/*-
+ * 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.
+ *
+ *	@(#)in.h	8.3 (Berkeley) 1/3/94
+ * $FreeBSD: head/sys/netinet6/in6.h 301217 2016-06-02 17:51:29Z gnn $
+ */
+
+#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		"FreeBSD"
+
+/*
+ * IPv6 port allocation rules should mirror the IPv4 rules and are controlled
+ * by the net.inet.ip.portrange sysctl tree. The following defines exist
+ * for compatibility with userland applications that need them.
+ */
+#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
+
+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 */
+};
+
+/*
+ * 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 }}}
+#define IN6ADDR_LINKLOCAL_ALLV2ROUTERS_INIT \
+	{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16 }}}
+#endif
+
+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;
+extern const struct in6_addr in6addr_linklocal_allv2routers;
+#endif
+
+/*
+ * 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
+
+/*
+ * Unspecified
+ */
+#define IN6_IS_ADDR_UNSPECIFIED(a)	\
+	((a)->__u6_addr.__u6_addr32[0] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[1] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[2] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[3] == 0)
+
+/*
+ * Loopback
+ */
+#define IN6_IS_ADDR_LOOPBACK(a)		\
+	((a)->__u6_addr.__u6_addr32[0] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[1] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[2] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[3] == ntohl(1))
+
+/*
+ * IPv4 compatible
+ */
+#define IN6_IS_ADDR_V4COMPAT(a)		\
+	((a)->__u6_addr.__u6_addr32[0] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[1] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[2] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[3] != 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[3] != ntohl(1))
+
+/*
+ * Mapped
+ */
+#define IN6_IS_ADDR_V4MAPPED(a)		      \
+	((a)->__u6_addr.__u6_addr32[0] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[1] == 0 &&	\
+	 (a)->__u6_addr.__u6_addr32[2] == 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	IN6_IS_SCOPE_EMBED(a)			\
+	((IN6_IS_ADDR_LINKLOCAL(a)) ||		\
+	 (IN6_IS_ADDR_MC_LINKLOCAL(a)) ||	\
+	 (IN6_IS_ADDR_MC_INTFACELOCAL(a)))
+
+#define IFA6_IS_DEPRECATED(a) \
+	((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \
+	 (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
+	 (a)->ia6_lifetime.ia6t_pltime)
+#define IFA6_IS_INVALID(a) \
+	((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \
+	 (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \
+	 (a)->ia6_lifetime.ia6t_vltime)
+#endif /* _KERNEL */
+
+/*
+ * IP6 route structure
+ */
+#if __BSD_VISIBLE
+struct route_in6 {
+	struct	rtentry *ro_rt;
+	struct	llentry *ro_lle;
+	/*
+	 * ro_prepend and ro_plen are only used for bpf to pass in a
+	 * preformed header.  They are not cacheable.
+	 */
+	char		*ro_prepend;
+	uint16_t	ro_plen;
+	uint16_t	ro_flags;
+	uint16_t	ro_mtu;	/* saved ro_rt mtu */
+	uint16_t	spare;
+	struct	sockaddr_in6 ro_dst;
+};
+#endif
+
+#ifdef _KERNEL
+#define MTAG_ABI_IPV6		1444287380	/* IPv6 ABI */
+#define IPV6_TAG_DIRECT		0		/* direct-dispatch IPv6 */
+#endif /* _KERNEL */
+
+/*
+ * 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 /* ipv6_mreq; join a group membership */
+#define IPV6_LEAVE_GROUP	13 /* ipv6_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 /* IPSEC */
+
+				   /* 29; unused; was IPV6_FAITH */
+#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.
+				    */
+
+#define	IPV6_BINDANY		64 /* bool: allow bind to any address */
+
+#define	IPV6_BINDMULTI		65 /* bool; allow multibind to same addr/port */
+#define	IPV6_RSS_LISTEN_BUCKET	66 /* int; set RSS listen bucket */
+#define	IPV6_FLOWID		67 /* int; flowid of given socket */
+#define	IPV6_FLOWTYPE		68 /* int; flowtype of given socket */
+#define	IPV6_RSSBUCKETID	69 /* int; RSS bucket ID of given socket */
+#define	IPV6_RECVFLOWID		70 /* bool; receive IP6 flowid/flowtype w/ datagram */
+#define	IPV6_RECVRSSBUCKETID	71 /* bool; receive IP6 RSS bucket id w/ datagram */
+
+/*
+ * The following option is private; do not use it from user applications.
+ * It is deliberately defined to the same value as IP_MSFILTER.
+ */
+#define	IPV6_MSFILTER		74 /* struct __msfilterreq;
+				    * set/get multicast source filter list.
+				    */
+
+/* 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 */
+
+/*
+ * The im6o_membership vector for each socket is now dynamically allocated at
+ * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized
+ * according to a power-of-two increment.
+ */
+#define	IPV6_MIN_MEMBERSHIPS	31
+#define	IPV6_MAX_MEMBERSHIPS	4095
+
+/*
+ * Default resource limits for IPv6 multicast source filtering.
+ * These may be modified by sysctl.
+ */
+#define	IPV6_MAX_GROUP_SRC_FILTER	512	/* sources per group */
+#define	IPV6_MAX_SOCK_SRC_FILTER	128	/* sources per socket/group */
+
+/*
+ * 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
+					/* 13; unused; was: IPV6CTL_KEEPFAITH */
+#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
+/*	IPV6CTL_RTEXPIRE	25	deprecated */
+/*	IPV6CTL_RTMINEXPIRE	26	deprecated */
+/*	IPV6CTL_RTMAXCACHE	27	deprecated */
+
+#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_USE_DEFAULTZONE	39	/* use default scope zone */
+
+#define IPV6CTL_MAXFRAGS	41	/* max fragments */
+#if 0
+#define IPV6CTL_IFQ		42	/* ip6intrq node */
+#define IPV6CTL_ISATAPRTR	43	/* isatap router */
+#endif
+#define IPV6CTL_MCAST_PMTU	44	/* enable pMTU discovery for multicast? */
+
+/* New entries should be added here from current IPV6CTL_MAXID value. */
+/* to define items, should talk with KAME guys first, for *BSD compatibility */
+#define IPV6CTL_STEALTH		45
+
+#define	ICMPV6CTL_ND6_ONLINKNSRFC4861	47
+#define	IPV6CTL_NO_RADR		48	/* No defroute from RA */
+#define	IPV6CTL_NORBIT_RAIF	49	/* Disable R-bit in NA on RA
+					 * receiving IF. */
+#define	IPV6CTL_RFC6204W3	50	/* Accept defroute even when forwarding
+					   enabled */
+#define	IPV6CTL_MAXID		51
+#endif /* __BSD_VISIBLE */
+
+/*
+ * Since both netinet/ and netinet6/ call into netipsec/ and netpfil/,
+ * the protocol specific mbuf flags are shared between them.
+ */
+#define	M_FASTFWD_OURS		M_PROTO1	/* changed dst to local */
+#define	M_IP6_NEXTHOP		M_PROTO2	/* explicit ip nexthop */
+#define	M_IP_NEXTHOP		M_PROTO2	/* explicit ip nexthop */
+#define	M_SKIP_FIREWALL		M_PROTO3	/* skip firewall processing */
+#define	M_AUTHIPHDR		M_PROTO4
+#define	M_DECRYPTED		M_PROTO5
+#define	M_LOOP			M_PROTO6
+#define	M_AUTHIPDGM		M_PROTO7
+#define	M_RTALERT_MLD		M_PROTO8
+
+#ifdef _KERNEL
+struct cmsghdr;
+struct ip6_hdr;
+
+int	in6_cksum_pseudo(struct ip6_hdr *, uint32_t, uint8_t, uint16_t);
+int	in6_cksum(struct mbuf *, u_int8_t, u_int32_t, u_int32_t);
+int	in6_cksum_partial(struct mbuf *, u_int8_t, u_int32_t, u_int32_t,
+			  u_int32_t);
+int	in6_localaddr(struct in6_addr *);
+int	in6_localip(struct in6_addr *);
+int	in6_ifhasaddr(struct ifnet *, struct in6_addr *);
+int	in6_addrscope(const struct in6_addr *);
+char	*ip6_sprintf(char *, const struct in6_addr *);
+struct	in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *);
+extern void in6_if_up(struct ifnet *);
+struct sockaddr;
+extern	u_char	ip6_protox[];
+
+void	in6_sin6_2_sin(struct sockaddr_in *sin,
+			    struct sockaddr_in6 *sin6);
+void	in6_sin_2_v4mapsin6(struct sockaddr_in *sin,
+				 struct sockaddr_in6 *sin6);
+void	in6_sin6_2_sin_in_sock(struct sockaddr *nam);
+void	in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam);
+extern void addrsel_policy_init(void);
+
+#define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
+#define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
+#define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
+
+#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;
+
+extern int inet6_option_space(int);
+extern int inet6_option_init(void *, struct cmsghdr **, int);
+extern int inet6_option_append(struct cmsghdr *, const uint8_t *,
+	int, int);
+extern uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int);
+extern int inet6_option_next(const struct cmsghdr *, uint8_t **);
+extern int inet6_option_find(const struct cmsghdr *, uint8_t **, int);
+
+extern size_t inet6_rthdr_space(int, int);
+extern struct cmsghdr *inet6_rthdr_init(void *, int);
+extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *,
+	unsigned int);
+extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int);
+#if 0 /* not implemented yet */
+extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *);
+#endif
+extern int inet6_rthdr_segments(const struct cmsghdr *);
+extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int);
+extern int inet6_rthdr_getflags(const struct cmsghdr *, int);
+
+extern int inet6_opt_init(void *, socklen_t);
+extern int inet6_opt_append(void *, socklen_t, int, uint8_t, socklen_t,
+	uint8_t, void **);
+extern int inet6_opt_finish(void *, socklen_t, int);
+extern int inet6_opt_set_val(void *, int, void *, socklen_t);
+
+extern int inet6_opt_next(void *, socklen_t, int, uint8_t *, socklen_t *,
+	void **);
+extern int inet6_opt_find(void *, socklen_t, int, uint8_t, socklen_t *,
+	void **);
+extern int inet6_opt_get_val(void *, int, void *, socklen_t);
+extern socklen_t inet6_rth_space(int, int);
+extern void *inet6_rth_init(void *, socklen_t, int, int);
+extern int inet6_rth_add(void *, const struct in6_addr *);
+extern int inet6_rth_reverse(const void *, void *);
+extern int inet6_rth_segments(const void *);
+extern struct in6_addr *inet6_rth_getaddr(const void *, int);
+__END_DECLS
+
+#endif /* __BSD_VISIBLE */
+
+#endif /* !_NETINET6_IN6_H_ */
diff --git a/cpukit/libnetworking/preinstall.am b/cpukit/libnetworking/preinstall.am
index 7c3c7543d3..feef3ff0a7 100644
--- a/cpukit/libnetworking/preinstall.am
+++ b/cpukit/libnetworking/preinstall.am
@@ -243,6 +243,15 @@ $(PROJECT_INCLUDE)/netinet/udp_var.h: netinet/udp_var.h $(PROJECT_INCLUDE)/netin
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/netinet/udp_var.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/netinet/udp_var.h
 
+$(PROJECT_INCLUDE)/netinet6/$(dirstamp):
+	@$(MKDIR_P) $(PROJECT_INCLUDE)/netinet6
+	@: > $(PROJECT_INCLUDE)/netinet6/$(dirstamp)
+PREINSTALL_DIRS += $(PROJECT_INCLUDE)/netinet6/$(dirstamp)
+
+$(PROJECT_INCLUDE)/netinet6/in6.h: netinet6/in6.h $(PROJECT_INCLUDE)/netinet6/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/netinet6/in6.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/netinet6/in6.h
+
 $(PROJECT_INCLUDE)/nfs/$(dirstamp):
 	@$(MKDIR_P) $(PROJECT_INCLUDE)/nfs
 	@: > $(PROJECT_INCLUDE)/nfs/$(dirstamp)