diff options
Diffstat (limited to 'StdLib/Include/netinet6/in6.h')
| -rw-r--r-- | StdLib/Include/netinet6/in6.h | 790 |
1 files changed, 790 insertions, 0 deletions
diff --git a/StdLib/Include/netinet6/in6.h b/StdLib/Include/netinet6/in6.h new file mode 100644 index 0000000000..7e81bb7084 --- /dev/null +++ b/StdLib/Include/netinet6/in6.h @@ -0,0 +1,790 @@ +/* $NetBSD: in6.h,v 1.57 2006/10/31 00:29:30 cbiere Exp $ */
+/* $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei Exp $ */
+
+/*
+ Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that accompanies this distribution.
+ The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*/
+
+/*
+ * 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.
+ * 3. 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
+ */
+
+#ifndef _NETINET6_IN6_H_
+#define _NETINET6_IN6_H_
+
+#ifndef __KAME_NETINET_IN_H_INCLUDED_
+#error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553"
+#endif
+
+#include <sys/socket.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 "NetBSD-current"
+
+/*
+ * 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 defined(_NETBSD_SOURCE)
+#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
+
+/*
+ * Socket address for IPv6
+ */
+#if defined(_NETBSD_SOURCE)
+#define SIN6_LEN
+#endif
+struct sockaddr_in6 {
+ uint8_t sin6_len; /* length of this struct(socklen_t)*/
+ sa_family_t sin6_family; /* AF_INET6 (sa_family_t) */
+ 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
+ */
+#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_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 }}}
+
+extern const struct in6_addr in6addr_any;
+extern const struct in6_addr in6addr_loopback;
+extern const struct in6_addr in6addr_nodelocal_allnodes;
+extern const struct in6_addr in6addr_linklocal_allnodes;
+extern const struct in6_addr in6addr_linklocal_allrouters;
+
+/*
+ * 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
+#define IN6_ARE_ADDR_EQUAL(a, b) \
+ (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
+#endif
+
+/*
+ * Unspecified
+ */
+#define IN6_IS_ADDR_UNSPECIFIED(a) \
+ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
+
+/*
+ * Loopback
+ */
+#define IN6_IS_ADDR_LOOPBACK(a) \
+ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
+
+/*
+ * IPv4 compatible
+ */
+#define IN6_IS_ADDR_V4COMPAT(a) \
+ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
+
+/*
+ * Mapped
+ */
+#define IN6_IS_ADDR_V4MAPPED(a) \
+ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
+ (*(const uint32_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_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_EMBEDDABLE(__a) \
+ (IN6_IS_SCOPE_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_second - (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_second - (a)->ia6_updatetime)) > \
+ (a)->ia6_lifetime.ia6t_vltime)
+#endif
+
+/*
+ * IP6 route structure
+ */
+#if defined(_NETBSD_SOURCE)
+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
+/* These are deprecated non-standard options which are no longer supported. */
+#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 */
+#if defined(_NETBSD_SOURCE)
+#define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */
+#endif
+/* 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 */
+
+#if 1 /* IPSEC */
+#define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */
+#endif
+#define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */
+
+/* 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) */
+
+/* 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 */
+
+#define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */
+#ifdef _KERNEL
+#define IPV6_OTCLASS 58 /* u_int8_t; send traffic class value */
+#endif
+
+#define IPV6_TCLASS 61 /* int; send traffic class value */
+#define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */
+/* 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 defined(_NETBSD_SOURCE)
+/*
+ * 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 */
+
+#define CTL_IPV6PROTO_NAMES { \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, \
+ { "tcp6", CTLTYPE_NODE }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "udp6", CTLTYPE_NODE }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, \
+ { "ip6", CTLTYPE_NODE }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, \
+ { "ipsec6", CTLTYPE_NODE }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "icmp6", CTLTYPE_NODE }, \
+ { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "pim6", CTLTYPE_NODE }, \
+}
+
+/*
+ * 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 */
+/* 23: reserved */
+#define IPV6CTL_V6ONLY 24
+/* 25 to 27: reserved */
+#define IPV6CTL_ANONPORTMIN 28 /* minimum ephemeral port */
+#define IPV6CTL_ANONPORTMAX 29 /* maximum ephemeral port */
+#define IPV6CTL_LOWPORTMIN 30 /* minimum reserved port */
+#define IPV6CTL_LOWPORTMAX 31 /* maximum reserved port */
+/* 32 to 38: reserved */
+#define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */
+/* 40: reserved */
+#define IPV6CTL_MAXFRAGS 41 /* max fragments */
+#define IPV6CTL_IFQ 42 /* ip6intrq node */
+/* 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_MAXID 43
+
+#define IPV6CTL_NAMES { \
+ { 0, 0 }, \
+ { "forwarding", CTLTYPE_INT }, \
+ { "redirect", CTLTYPE_INT }, \
+ { "hlim", CTLTYPE_INT }, \
+ { "mtu", CTLTYPE_INT }, \
+ { "forwsrcrt", CTLTYPE_INT }, \
+ { "stats", CTLTYPE_STRUCT }, \
+ { 0, 0 }, \
+ { "mrtproto", CTLTYPE_INT }, \
+ { "maxfragpackets", CTLTYPE_INT }, \
+ { "sourcecheck", CTLTYPE_INT }, \
+ { "sourcecheck_logint", CTLTYPE_INT }, \
+ { "accept_rtadv", CTLTYPE_INT }, \
+ { "keepfaith", CTLTYPE_INT }, \
+ { "log_interval", CTLTYPE_INT }, \
+ { "hdrnestlimit", CTLTYPE_INT }, \
+ { "dad_count", CTLTYPE_INT }, \
+ { "auto_flowlabel", CTLTYPE_INT }, \
+ { "defmcasthlim", CTLTYPE_INT }, \
+ { "gifhlim", CTLTYPE_INT }, \
+ { "kame_version", CTLTYPE_STRING }, \
+ { "use_deprecated", CTLTYPE_INT }, \
+ { "rr_prune", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { "v6only", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "anonportmin", CTLTYPE_INT }, \
+ { "anonportmax", CTLTYPE_INT }, \
+ { "lowportmin", CTLTYPE_INT }, \
+ { "lowportmax", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "maxfrags", CTLTYPE_INT }, \
+ { "ifq", CTLTYPE_NODE }, \
+}
+
+#endif /* _NETBSD_SOURCE */
+
+#ifdef _KERNEL
+struct cmsghdr;
+
+/*
+ * in6_cksum_phdr:
+ *
+ * Compute significant parts of the IPv6 checksum pseudo-header
+ * for use in a delayed TCP/UDP checksum calculation.
+ *
+ * Args:
+ *
+ * src Source IPv6 address
+ * dst Destination IPv6 address
+ * len htonl(proto-hdr-len)
+ * nxt htonl(next-proto-number)
+ *
+ * NOTE: We expect the src and dst addresses to be 16-bit
+ * aligned!
+ */
+static __inline u_int16_t __attribute__((__unused__))
+in6_cksum_phdr(const struct in6_addr *src, const struct in6_addr *dst,
+ u_int32_t len, u_int32_t nxt)
+{
+ u_int32_t sum = 0;
+ const u_int16_t *w;
+
+ /*LINTED*/
+ w = (const u_int16_t *) src;
+ sum += w[0];
+ if (!IN6_IS_SCOPE_LINKLOCAL(src))
+ sum += w[1];
+ sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5];
+ sum += w[6]; sum += w[7];
+
+ /*LINTED*/
+ w = (const u_int16_t *) dst;
+ sum += w[0];
+ if (!IN6_IS_SCOPE_LINKLOCAL(dst))
+ sum += w[1];
+ sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5];
+ sum += w[6]; sum += w[7];
+
+ sum += (u_int16_t)(len >> 16) + (u_int16_t)(len /*& 0xffff*/);
+
+ sum += (u_int16_t)(nxt >> 16) + (u_int16_t)(nxt /*& 0xffff*/);
+
+ sum = (u_int16_t)(sum >> 16) + (u_int16_t)(sum /*& 0xffff*/);
+
+ if (sum > 0xffff)
+ sum -= 0xffff;
+
+ return (sum);
+}
+
+struct mbuf;
+struct ifnet;
+int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
+void in6_delayed_cksum __P((struct mbuf *));
+int in6_localaddr __P((struct in6_addr *));
+int in6_addrscope __P((struct in6_addr *));
+struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
+extern void in6_if_up __P((struct ifnet *));
+#ifndef __FreeBSD__
+extern int in6_src_sysctl __P((void *, size_t *, void *, size_t));
+#endif
+extern void addrsel_policy_init __P((void));
+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))
+#endif /* _KERNEL */
+
+#if defined(_NETBSD_SOURCE)
+
+#include <machine/ansi.h>
+
+#ifdef _BSD_SIZE_T_
+typedef _BSD_SIZE_T_ size_t;
+#define _SIZE_T
+#undef _BSD_SIZE_T_
+#endif
+
+#include <sys/EfiCdefs.h>
+
+__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 /* _NETBSD_SOURCE */
+
+#endif /* !_NETINET6_IN6_H_ */
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