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//========================================================================== // // include/netinet6/in6.h // //========================================================================== // ####BSDCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // // Portions of this software may have been derived from FreeBSD // or other sources, and if so are covered by the appropriate copyright // and license included herein. // // Portions created by the Free Software Foundation are // Copyright (C) 2002 Free Software Foundation, Inc. // ------------------------------------------- // ####BSDCOPYRIGHTEND#### //========================================================================== /* $KAME: in6.h,v 1.115 2002/01/02 06:43:13 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 "SNAP 20020107" /* * 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)*/ u_int8_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_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 }}} 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 #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_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))) #if (defined(__FreeBSD__) && __FreeBSD__ >= 3) #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) #else #define IFA6_IS_DEPRECATED(a) \ ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \ (u_int32_t)((time.tv_sec - (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.tv_sec - (a)->ia6_updatetime)) > \ (a)->ia6_lifetime.ia6t_vltime) #endif #endif /* _KERNEL */ /* * IP6 route structure */ #if !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__FreeBSD__) #ifndef _XOPEN_SOURCE #ifndef NEW_STRUCT_ROUTE struct route_in6 { struct rtentry *ro_rt; struct sockaddr_in6 ro_dst; }; #endif /* !NEW_STRUCT_ROUTE */ #endif #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 /* 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 */ /* 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 #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 RFC2292bis */ #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) */ #define IPV6_REACHCONF 45 /* no data; ND reachability confirm (cmsg only) */ /* more new socket options introduced in RFC2292bis */ #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 2292bis */ #endif #ifdef __OpenBSD__ #define IPV6_AUTH_LEVEL 53 /* int; authentication used */ #define IPV6_ESP_TRANS_LEVEL 54 /* int; transport encryption */ #define IPV6_ESP_NETWORK_LEVEL 55 /* int; full-packet encryption */ #define IPSEC6_OUTSA 56 /* set the outbound SA for a socket */ #endif #define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */ #ifdef _KERNEL #define IPV6_OTCLASS 58 /* u_int8_t; send traffic class value */ #endif #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ #ifdef __OpenBSD__ #define IPV6_IPCOMP_LEVEL 60 /* int; compression */ #endif #define IPV6_TCLASS 61 /* int; send traffic class value */ #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ /* to define items, should talk with KAME guys first, for *BSD compatibility */ #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ /* * Defaults and limits for options */ #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ /* * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. */ struct ipv6_mreq { struct in6_addr ipv6mr_multiaddr; unsigned int ipv6mr_interface; }; /* * IPV6_PKTINFO: Packet information(RFC2292 sec 5) */ struct in6_pktinfo { struct in6_addr ipi6_addr; /* src/dst IPv6 address */ unsigned int ipi6_ifindex; /* send/recv interface index */ }; /* * Control structure for IPV6_RECVPATHMTU socket option. * Note that this structure is not fully conformant to rfc2292bis-02. * However, since how to tell the destination of the path (or the path itself) * to the application is not determined, we use our original structure. */ struct ip6_mtuinfo { struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ u_int32_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 */ #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 */ #if 0 /* obsolete */ #define IPV6CTL_MAPPED_ADDR 23 #endif #define IPV6CTL_V6ONLY 24 #ifdef __FreeBSD__ #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 */ #endif #ifdef __NetBSD__ #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 */ #endif #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses for privacy extension */ #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 */ /* 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 40 #ifdef IPV6CTL_RTEXPIRE #define __IPV6CTL_NAMES_RTEXPIRE "rtexpire" #define __IPV6CTL_TYPE_RTEXPIRE CTLTYPE_INT #define __IPV6CTL_VARS_RTEXPIRE 0 /* &rtq_reallyold */ #else #define __IPV6CTL_NAMES_RTEXPIRE 0 #define __IPV6CTL_TYPE_RTEXPIRE 0 #define __IPV6CTL_VARS_RTEXPIRE 0 #endif #ifdef IPV6CTL_RTMINEXPIRE #define __IPV6CTL_NAMES_RTMINEXPIRE "minexpire" #define __IPV6CTL_TYPE_RTMINEXPIRE CTLTYPE_INT #define __IPV6CTL_VARS_RTMINEXPIRE 0 /* &rtq_minreallyold */ #else #define __IPV6CTL_NAMES_RTMINEXPIRE 0 #define __IPV6CTL_TYPE_RTMINEXPIRE 0 #define __IPV6CTL_VARS_RTMINEXPIRE 0 #endif #ifdef IPV6CTL_RTMAXCACHE #define __IPV6CTL_NAMES_RTMAXCACHE "maxcache" #define __IPV6CTL_TYPE_RTMAXCACHE CTLTYPE_INT #define __IPV6CTL_VARS_RTMAXCACHE 0 /* &rtq_toomany */ #else #define __IPV6CTL_NAMES_RTMAXCACHE 0 #define __IPV6CTL_TYPE_RTMAXCACHE 0 #define __IPV6CTL_VARS_RTMAXCACHE 0 #endif #ifdef IPV6CTL_ANONPORTMIN #define __IPV6CTL_NAMES_ANONPORTMIN "anonportmin" #define __IPV6CTL_TYPE_ANONPORTMIN CTLTYPE_INT #define __IPV6CTL_VARS_ANONPORTMIN 0 #else #define __IPV6CTL_NAMES_ANONPORTMIN 0 #define __IPV6CTL_TYPE_ANONPORTMIN 0 #define __IPV6CTL_VARS_ANONPORTMIN 0 #endif #ifdef IPV6CTL_ANONPORTMAX #define __IPV6CTL_NAMES_ANONPORTMAX "anonportmax" #define __IPV6CTL_TYPE_ANONPORTMAX CTLTYPE_INT #define __IPV6CTL_VARS_ANONPORTMAX 0 #else #define __IPV6CTL_NAMES_ANONPORTMAX 0 #define __IPV6CTL_TYPE_ANONPORTMAX 0 #define __IPV6CTL_VARS_ANONPORTMAX 0 #endif #ifdef IPV6CTL_LOWPORTMIN #define __IPV6CTL_NAMES_LOWPORTMIN "lowportmin" #define __IPV6CTL_TYPE_LOWPORTMIN CTLTYPE_INT #define __IPV6CTL_VARS_LOWPORTMIN 0 #else #define __IPV6CTL_NAMES_LOWPORTMIN 0 #define __IPV6CTL_TYPE_LOWPORTMIN 0 #define __IPV6CTL_VARS_LOWPORTMIN 0 #endif #ifdef IPV6CTL_LOWPORTMAX #define __IPV6CTL_NAMES_LOWPORTMAX "lowportmax" #define __IPV6CTL_TYPE_LOWPORTMAX CTLTYPE_INT #define __IPV6CTL_VARS_LOWPORTMAX 0 #else #define __IPV6CTL_NAMES_LOWPORTMAX 0 #define __IPV6CTL_TYPE_LOWPORTMAX 0 #define __IPV6CTL_VARS_LOWPORTMAX 0 #endif #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 }, \ { "v6only", CTLTYPE_INT }, \ { __IPV6CTL_NAMES_RTEXPIRE, __IPV6CTL_TYPE_RTEXPIRE }, \ { __IPV6CTL_NAMES_RTMINEXPIRE, __IPV6CTL_TYPE_RTMINEXPIRE }, \ { __IPV6CTL_NAMES_RTMAXCACHE, __IPV6CTL_TYPE_RTMAXCACHE }, \ { __IPV6CTL_NAMES_ANONPORTMIN, __IPV6CTL_TYPE_ANONPORTMIN }, \ { __IPV6CTL_NAMES_ANONPORTMAX, __IPV6CTL_TYPE_ANONPORTMAX }, \ { __IPV6CTL_NAMES_LOWPORTMIN, __IPV6CTL_TYPE_LOWPORTMIN }, \ { __IPV6CTL_NAMES_LOWPORTMAX, __IPV6CTL_TYPE_LOWPORTMAX }, \ { "use_tempaddr", CTLTYPE_INT }, \ { "temppltime", CTLTYPE_INT }, \ { "tempvltime", CTLTYPE_INT }, \ { "auto_linklocal", CTLTYPE_INT }, \ { 0, 0 }, \ { "prefer_tempaddr", CTLTYPE_INT }, \ { 0, 0 }, \ { "use_defaultzone", CTLTYPE_INT }, \ } #ifdef __bsdi__ #define IPV6CTL_VARS { \ 0, \ &ip6_forwarding, \ &ip6_sendredirects, \ &ip6_defhlim, \ 0, \ &ip6_forward_srcrt, \ 0, \ 0, \ 0, \ &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, \ &ip6_use_deprecated, \ &ip6_rr_prune, \ 0, \ &ip6_v6only, \ __IPV6CTL_VARS_RTEXPIRE, \ __IPV6CTL_VARS_RTMINEXPIRE, \ __IPV6CTL_VARS_RTMAXCACHE, \ __IPV6CTL_VARS_ANONPORTMIN, \ __IPV6CTL_VARS_ANONPORTMAX, \ __IPV6CTL_VARS_LOWPORTMIN, \ __IPV6CTL_VARS_LOWPORTMAX, \ &ip6_use_tempaddr, \ &ip6_temp_preferred_lifetime, \ &ip6_temp_valid_lifetime, \ &ip6_auto_linklocal, \ 0, \ &ip6_prefer_tempaddr, \ 0, \ &ip6_use_defzone,\ } #endif #endif /* !_XOPEN_SOURCE */ /* * 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; struct mbuf; struct ifnet; 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_ifawithifp __P((struct ifnet *, struct in6_addr *)); extern void in6_if_up __P((struct ifnet *)); 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)); 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)) #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)); extern int inet6_opt_init __P((void *, size_t)); extern int inet6_opt_append __P((void *, size_t, int, u_int8_t, size_t, u_int8_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, u_int8_t *, size_t *, void **)); extern int inet6_opt_find __P((void *, size_t, int, u_int8_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)); /* the followings two are experimental. should not merge them to *BSD. */ struct sockaddr; /* XXX */ extern int addr2scopetype __P((struct sockaddr *)); extern int inet_zoneid __P((int, int, char *, u_int32_t *)); __END_DECLS #endif /* !_NETINET6_IN6_H_ */