diff options
Diffstat (limited to 'sys/netinet6/in6.h')
| -rw-r--r-- | sys/netinet6/in6.h | 706 |
1 files changed, 582 insertions, 124 deletions
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h index c4229a22807..8bafafe7bb9 100644 --- a/sys/netinet6/in6.h +++ b/sys/netinet6/in6.h @@ -1,192 +1,650 @@ /* -%%% copyright-nrl-95 -This software is Copyright 1995-1998 by Randall Atkinson, Ronald Lee, -Daniel McDonald, Bao Phan, and Chris Winters. All Rights Reserved. All -rights under this copyright have been assigned to the US Naval Research -Laboratory (NRL). The NRL Copyright Notice and License Agreement Version -1.1 (January 17, 1995) applies to this software. -You should have received a copy of the license with this software. If you -didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>. + * 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_ + +#if !defined(_XOPEN_SOURCE) +#include <sys/queue.h> +#endif + +/* + * Identification of the network protocol stack + */ +#define __KAME__ +#define __KAME_VERSION "19991208/OpenBSD-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_ANONMIX 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 + */ +#if !defined(_XOPEN_SOURCE) +#define SIN6_LEN +#endif +struct sockaddr_in6 { + u_char sin6_len; /* length of this struct(sa_family_t)*/ + u_char 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; /* intface scope id */ +}; + +/* + * 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 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 */ -#ifndef _NETINET6_IN6_H -#define _NETINET6_IN6_H 1 +/* + * 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 -#if !defined(_NETINET_IN_H) && !defined(_NETINET_IN_H_) -#error in6.h should no longer be included directly; include <netinet/in.h> -#endif /* !defined(_NETINET_IN_H) && !defined(_NETINET_IN_H_) */ -#if __bsdi__ && !defined(_BSDI_VERSION) -#include <sys/param.h> -#endif /* __bsdi__ && !defined(_BSDI_VERSION) */ +/* + * 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 }}} -/* IPPROTO type macros. */ +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; -#define IS_PREFRAG(x) ( (x)==IPPROTO_HOPOPTS || (x)==IPPROTO_ROUTING || \ - (x) == IPPROTO_DSTOPTS) -#define IS_IPV6OPT(x) ( (x)==IPPROTO_FRAGMENT || (x) == IPPROTO_AH || \ - IS_PRFRAG(x) ) +/* + * 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), (b), sizeof(struct in6_addr)) == 0) +#else +#define IN6_ARE_ADDR_EQUAL(a, b) \ + (memcmp((a), (b), sizeof(struct in6_addr)) == 0) +#endif -#define CREATE_IPV6_MAPPED(v6, v4) { \ - v6.s6_addr32[0] = 0; \ - v6.s6_addr32[1] = 0; \ - v6.s6_addr32[2] = htonl(0xffff); \ - v6.s6_addr32[3] = v4; } +/* + * Unspecified + */ +#define IN6_IS_ADDR_UNSPECIFIED(a) \ + ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[12]) == 0)) -#if BYTE_ORDER == BIG_ENDIAN +/* + * Loopback + */ +#define IN6_IS_ADDR_LOOPBACK(a) \ + ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[12]) == ntohl(1))) -#define SET_IN6_ALLNODES(a) {(a).s6_addr32[0]=0xff000000;(a).s6_addr32[3]=1;\ - (a).s6_addr32[1]=0;(a).s6_addr32[2]=0;} -#define SET_IN6_ALLROUTERS(a) {(a).s6_addr32[0]=0xff000000;(a).s6_addr32[3]=2;\ - (a).s6_addr32[1]=0;(a).s6_addr32[2]=0;} +/* + * IPv4 compatible + */ +#define IN6_IS_ADDR_V4COMPAT(a) \ + ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[12]) != 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[12]) != ntohl(1))) -#define SET_IN6_MCASTSCOPE(a,bits) {(a).s6_addr32[0]&=0xfff0ffff;\ - (a).s6_addr32[0]|=(bits<<16);} -#define GET_IN6_MCASTSCOPE(a) ( ((a).s6_addr32[0] & 0x000f0000) >> 16 ) +/* + * Mapped + */ +#define IN6_IS_ADDR_V4MAPPED(a) \ + ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ + (*(u_int32_t *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) -#else /* BYTE_ORDER == LITTLE_ENDIAN */ +/* + * 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 -#define SET_IN6_ALLNODES(a) {(a).s6_addr32[0]=0xff;(a).s6_addr32[3]=0x01000000;\ - (a).s6_addr32[1] = 0; (a).s6_addr32[2] = 0;} -#define SET_IN6_ALLROUTERS(a) {(a).s6_addr32[0]=0xff;(a).s6_addr32[3]=0x02000000;\ - (a).s6_addr32[1] = 0; (a).s6_addr32[2] = 0;} +/* + * 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) -#define SET_IN6_MCASTSCOPE(a,bits) {(a).s6_addr32[0]&=0xfffff0ff;\ - (a).s6_addr32[0]|=(bits<<8);} -#define GET_IN6_MCASTSCOPE(a) ( ((a).s6_addr32[0] & 0x00000f00) >>8) +#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 -#endif /* BYTE_ORDER == {BIG,LITTLE}_ENDIAN */ +/* + * 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 /* - * IP options for IPv6. Note I use the IPV6_* semantics for IPv6- - * specific options. Another reason for the inclusion of <netinet/in.h> is - * for the options that are common between IPv6 and IPv4. + * Wildcard Socket */ +#if 0 /*pre-RFC2553*/ +#define IN6_IS_ADDR_ANY(a) IN6_IS_ADDR_UNSPECIFIED(a) +#endif -#define IN6_MAX_MEMBERSHIPS 20 /* Maximum number of multicast memberships. */ -#define IPV6_DEFAULT_MCAST_HOPS 1 -#define IPV6_DEFAULT_MCAST_LOOP 1 +/* + * KAME Scope + */ +#ifdef _KERNEL /*nonstandard*/ +#define IN6_IS_SCOPE_LINKLOCAL(a) \ + ((IN6_IS_ADDR_LINKLOCAL(a)) || \ + (IN6_IS_ADDR_MC_LINKLOCAL(a))) +#endif /* + * IP6 route structure + */ +#if !defined(_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_char; set/get IP6 multicast i/f */ +#define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */ +#define IPV6_MULTICAST_LOOP 11 /* u_char; 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_BINDV6ONLY 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 */ + +#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 + +#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; + u_int ipv6mr_interface; +}; + +/* + * IPV6_PKTINFO: Packet information(RFC2292 sec 5) + */ +struct in6_pktinfo { + struct in6_addr ipi6_addr; /* src/dst IPv6 address */ + u_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 */ + +#if !defined(_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 IPV6PROTO_MAXID (IPPROTO_ICMPV6 + 1) /* don't list to IPPROTO_MAX. */ - -#define CTL_IPV6PROTO_NAMES { \ - { "ipv6", CTLTYPE_NODE }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { "ipv4", CTLTYPE_NODE }, \ - { 0, 0 }, \ - { "tcp", CTLTYPE_NODE }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ +#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 }, \ - { "udp", CTLTYPE_NODE }, \ { 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 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { "esp", CTLTYPE_NODE }, \ - { "ah", CTLTYPE_NODE }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { 0, 0 }, \ - { "icmpv6", CTLTYPE_NODE }, \ + { "pim6", CTLTYPE_NODE }, \ } - + /* - * Names for IPv6 sysctl objects + * Names for IP sysctl objects */ - -#define IPV6CTL_FORWARDING 1 /* act as router */ -#define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ -#define IPV6CTL_DEFTTL 3 /* default TTL */ +#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 */ +#define IPV6CTL_DEFMTU 4 /* default MTU */ #endif -#define IPV6CTL_STATS 5 -#define IPV6CTL_ROUTERSOLICIT 6 -#define IPV6CTL_MAXID 7 +#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 */ +#ifdef MAPPED_ADDR_ENABLED +#define IPV6CTL_MAPPED_ADDR 23 +#endif /* MAPPED_ADDR_ENABLED */ +/* New entries should be added here from current IPV6CTL_MAXID value. */ +#define IPV6CTL_MAXID 24 + +#ifdef MAPPED_ADDR_ENABLED +#define IPV6CTL_NAMES_MAPPED_ADDR "mapped_addr" +#define IPV6CTL_TYPE_MAPPED_ADDR CTLTYPE_INT +#define IPV6CTL_VARS_MAPPED_ADDR &ip6_mapped_addr_on +#else /* MAPPED_ADDR_ENABLED */ +#define IPV6CTL_NAMES_MAPPED_ADDR 0 +#define IPV6CTL_TYPE_MAPPED_ADDR 0 +#define IPV6CTL_VARS_MAPPED_ADDR 0 +#endif /* MAPPED_ADDR_ENABLED */ -#define IPV6CTL_NAMES { \ +#define IPV6CTL_NAMES { \ { 0, 0 }, \ { "forwarding", CTLTYPE_INT }, \ { "redirect", CTLTYPE_INT }, \ - { "ttl", CTLTYPE_INT }, \ + { "hlim", CTLTYPE_INT }, \ { "mtu", CTLTYPE_INT }, \ - { "stats", CTLTYPE_STRUCT }, \ - { "routersolicit", CTLTYPE_INT }, \ - { 0, 0 }, \ + { "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 }, \ + { IPV6CTL_NAMES_MAPPED_ADDR, IPV6CTL_TYPE_MAPPED_ADDR }, \ } #define IPV6CTL_VARS { \ 0, \ - &ipv6forwarding, \ + &ip6_forwarding, \ + &ip6_sendredirects, \ + &ip6_defhlim, \ + 0, \ + &ip6_forward_srcrt, \ + 0, \ + 0, \ 0, \ - &ipv6_defhoplmt, \ + &ip6_maxfragpackets, \ + &ip6_sourcecheck, \ + &ip6_sourcecheck_interval, \ + &ip6_accept_rtadv, \ + &ip6_keepfaith, \ + &ip6_log_interval, \ + &ip6_hdrnestlimit, \ + &ip6_dad_count, \ + &ip6_auto_flowlabel, \ + &ip6_defmcasthlim, \ + &ip6_gif_hlim, \ 0, \ - &ipv6rsolicit \ + &ip6_use_deprecated, \ + &ip6_rr_prune, \ + IPV6CTL_VARS_MAPPED_ADDR, \ } +#endif /* !_XOPEN_SOURCE */ -/* Cheesy hack for if net/route.h included... */ -#ifdef RTM_VERSION -/* - * sizeof(struct sockaddr_in6) > sizeof(struct sockaddr), therefore, I - * need to define... - */ -struct route6 -{ - struct rtentry *ro_rt; - struct sockaddr_in6 ro_dst; -}; -#endif RTM_VERSION +#ifdef _KERNEL +struct cmsghdr; + +int in6_canforward __P((struct in6_addr *, struct in6_addr *)); +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 *)); +#ifdef MAPPED_ADDR_ENABLED +struct sockaddr; + +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)); +#endif /* MAPPED_ADDR_ENABLED */ + +#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(int); +extern int inet6_option_init(void *, struct cmsghdr **, int); +extern int inet6_option_append(struct cmsghdr *, const u_int8_t *, int, int); +extern u_int8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); +extern int inet6_option_next(const struct cmsghdr *, u_int8_t **); +extern int inet6_option_find(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 -#if defined(_KERNEL) || defined(KERNEL) -/* Function prototypes go here. */ -int in6_cksum __P((struct mbuf *,int, u_int, u_int)); -#endif /* defined(_KERNEL) || defined(KERNEL) */ -#endif /* _NETINET6_IN6_H */ +#endif /* !_NETINET6_IN6_H_ */ |