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/*-
* 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: release/9.1.0/sys/netinet6/in6.h 238227 2012-07-08 10:29:01Z bz $
*/
#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) \
((*(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 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_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 /* _KERNEL */
/*
* IP6 route structure
*/
#if __BSD_VISIBLE
struct route_in6 {
struct rtentry *ro_rt;
struct llentry *ro_lle;
struct in6_addr *ro_ia6;
int ro_flags;
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 /* 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 */
#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.
*/
#define IPV6_BINDANY 64 /* bool: allow bind to any address */
/*
* 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
#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_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 */
/*
* Redefinition of mbuf flags
*/
#define M_AUTHIPHDR M_PROTO2
#define M_DECRYPTED M_PROTO3
#define M_LOOP M_PROTO4
#define M_AUTHIPDGM M_PROTO5
#define M_RTALERT_MLD M_PROTO6
#ifdef _KERNEL
struct cmsghdr;
struct ip6_hdr;
int in6_cksum_pseudo(struct ip6_hdr *, uint32_t, uint8_t, uint16_t);
int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
int in6_localaddr __P((struct in6_addr *));
int in6_localip(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 *));
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));
extern void addrsel_policy_init __P((void));
#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;
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 *, socklen_t));
extern int inet6_opt_append __P((void *, socklen_t, int, uint8_t, socklen_t,
uint8_t, void **));
extern int inet6_opt_finish __P((void *, socklen_t, int));
extern int inet6_opt_set_val __P((void *, int, void *, socklen_t));
extern int inet6_opt_next __P((void *, socklen_t, int, uint8_t *, socklen_t *,
void **));
extern int inet6_opt_find __P((void *, socklen_t, int, uint8_t, socklen_t *,
void **));
extern int inet6_opt_get_val __P((void *, int, void *, socklen_t));
extern socklen_t inet6_rth_space __P((int, int));
extern void *inet6_rth_init __P((void *, socklen_t, 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_ */