--- /dev/null
+/*!\file netinet6/in6.h
+ *
+ */
+
+/* $FreeBSD: src/sys/netinet6/in6.h,v 1.22 2002/07/25 20:40:09 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 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
+ */
+
+#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
+
+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_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
+
+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
+
+/*
+ * 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_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_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
+ */
+struct route_in6 {
+ struct rtentry *ro_rt;
+ struct sockaddr_in6 ro_dst;
+};
+
+/*
+ * Options for use with [gs]etsockopt at the IPV6 level.
+ * First word of comment is data type; bool is stored in int.
+ */
+#define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */
+#define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */
+#define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */
+#define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */
+#define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */
+#define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */
+#define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */
+
+#if __BSD_VISIBLE
+/* 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_PORTRANGE 14 /* int; range to choose for unspec port */
+#define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */
+/* RFC2292 options */
+#define IPV6_PKTINFO 19 /* bool; send/recv if, src/dst addr */
+#define IPV6_HOPLIMIT 20 /* bool; hop limit */
+#define IPV6_NEXTHOP 21 /* bool; next hop addr */
+#define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */
+#define IPV6_DSTOPTS 23 /* bool; destination option */
+#define IPV6_RTHDR 24 /* bool; routing header */
+#define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */
+
+#define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */
+#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
+
+/* 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 */
+};
+
+/*
+ * 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 */
+
+/*
+ * 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 */
+#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 */
+
+/* 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 37
+
+/*
+ * 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;
+
+int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
+int in6_localaddr __P((struct in6_addr *));
+int in6_addrscope __P((struct in6_addr *));
+struct in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *));
+struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
+extern void in6_if_up __P((struct ifnet *));
+struct sockaddr;
+extern u_char ip6_protox[];
+
+void in6_sin6_2_sin __P((struct sockaddr_in *sin,
+ struct sockaddr_in6 *sin6));
+void in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin,
+ struct sockaddr_in6 *sin6));
+void in6_sin6_2_sin_in_sock __P((struct sockaddr *nam));
+void in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam));
+
+#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 */
+
+#ifdef _BSD_SIZE_T_
+typedef _BSD_SIZE_T_ size_t;
+#undef _BSD_SIZE_T_
+#endif
+
+__BEGIN_DECLS
+struct cmsghdr;
+
+extern int inet6_option_space __P((int));
+extern int inet6_option_init __P((void *, struct cmsghdr **, int));
+extern int inet6_option_append __P((struct cmsghdr *, const uint8_t *,
+ int, int));
+extern uint8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int));
+extern int inet6_option_next __P((const struct cmsghdr *, uint8_t **));
+extern int inet6_option_find __P((const struct cmsghdr *, uint8_t **, int));
+
+extern size_t inet6_rthdr_space __P((int, int));
+extern struct cmsghdr *inet6_rthdr_init __P((void *, int));
+extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *,
+ unsigned int));
+extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int));
+#if 0 /* not implemented yet */
+extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *));
+#endif
+extern int inet6_rthdr_segments __P((const struct cmsghdr *));
+extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int));
+extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int));
+
+extern int inet6_opt_init __P((void *, size_t));
+extern int inet6_opt_append __P((void *, size_t, int, uint8_t,
+ size_t, uint8_t, void **));
+extern int inet6_opt_finish __P((void *, size_t, int));
+extern int inet6_opt_set_val __P((void *, size_t, void *, int));
+
+extern int inet6_opt_next __P((void *, size_t, int, uint8_t *,
+ size_t *, void **));
+extern int inet6_opt_find __P((void *, size_t, int, uint8_t,
+ size_t *, void **));
+extern int inet6_opt_get_val __P((void *, size_t, void *, int));
+extern size_t inet6_rth_space __P((int, int));
+extern void *inet6_rth_init __P((void *, int, int, int));
+extern int inet6_rth_add __P((void *, const struct in6_addr *));
+extern int inet6_rth_reverse __P((const void *, void *));
+extern int inet6_rth_segments __P((const void *));
+extern struct in6_addr *inet6_rth_getaddr __P((const void *, int));
+__END_DECLS
+
+#endif /* __BSD_VISIBLE */
+
+#endif /* !_NETINET6_IN6_H_ */
projects / oftp / blobdiff