660 lines
23 KiB
C
660 lines
23 KiB
C
/* $NetBSD: in6.h,v 1.29 2001/10/16 04:17:54 itojun Exp $ */
|
|
/* $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei 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 __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 "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.
|
|
*/
|
|
|
|
#define IPV6PORT_RESERVED 1024
|
|
#define IPV6PORT_ANONMIN 49152
|
|
#define IPV6PORT_ANONMAX 65535
|
|
#define IPV6PORT_RESERVEDMIN 600
|
|
#define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1)
|
|
|
|
/*
|
|
* IPv6 address
|
|
*/
|
|
struct in6_addr {
|
|
union {
|
|
u_int8_t __u6_addr8[16];
|
|
u_int16_t __u6_addr16[8];
|
|
u_int32_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
|
|
*/
|
|
#ifndef _XOPEN_SOURCE
|
|
#define SIN6_LEN
|
|
#endif
|
|
struct sockaddr_in6 {
|
|
u_int8_t sin6_len; /* length of this struct(sa_family_t)*/
|
|
sa_family_t sin6_family; /* AF_INET6 (sa_family_t) */
|
|
u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/
|
|
u_int32_t sin6_flowinfo; /* IP6 flow information */
|
|
struct in6_addr sin6_addr; /* IP6 address */
|
|
u_int32_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 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)))
|
|
#endif
|
|
|
|
/*
|
|
* IP6 route structure
|
|
*/
|
|
#ifndef _XOPEN_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.
|
|
*/
|
|
#define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */
|
|
/* no hdrincl */
|
|
#define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */
|
|
#define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */
|
|
#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 */
|
|
#define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */
|
|
#define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */
|
|
#define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */
|
|
#define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */
|
|
#define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */
|
|
#define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */
|
|
#define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */
|
|
#define IPV6_PKTINFO 19 /* bool; send/rcv 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 */
|
|
#define IPV6_V6ONLY 27 /* bool; only bind INET6 at null bind */
|
|
|
|
#if 1 /*IPSEC*/
|
|
#define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */
|
|
#endif
|
|
#define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */
|
|
/* 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 */
|
|
|
|
#ifndef _XOPEN_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 */
|
|
#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 */
|
|
/* 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 32
|
|
|
|
#define IPV6CTL_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "forwarding", CTLTYPE_INT }, \
|
|
{ "redirect", CTLTYPE_INT }, \
|
|
{ "hlim", CTLTYPE_INT }, \
|
|
{ "mtu", CTLTYPE_INT }, \
|
|
{ "forwsrcrt", CTLTYPE_INT }, \
|
|
{ 0, 0 }, \
|
|
{ 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 }, \
|
|
{ "bindv6only", CTLTYPE_INT }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "anonportmin", CTLTYPE_INT }, \
|
|
{ "anonportmax", CTLTYPE_INT }, \
|
|
{ "lowportmin", CTLTYPE_INT }, \
|
|
{ "lowportmax", CTLTYPE_INT }, \
|
|
}
|
|
|
|
#endif /* !_XOPEN_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;
|
|
|
|
w = (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];
|
|
|
|
w = (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);
|
|
}
|
|
|
|
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 *));
|
|
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 */
|
|
|
|
__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 u_int8_t *,
|
|
int, int));
|
|
extern u_int8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int));
|
|
extern int inet6_option_next __P((const struct cmsghdr *, u_int8_t **));
|
|
extern int inet6_option_find __P((const struct cmsghdr *, u_int8_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));
|
|
__END_DECLS
|
|
|
|
#endif /* !_NETINET6_IN6_H_ */
|