in6_var.h revision 142215
11590Srgrimes/* $FreeBSD: head/sys/netinet6/in6_var.h 142215 2005-02-22 13:04:05Z glebius $ */ 21590Srgrimes/* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */ 31590Srgrimes 41590Srgrimes/*- 51590Srgrimes * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 61590Srgrimes * All rights reserved. 71590Srgrimes * 81590Srgrimes * Redistribution and use in source and binary forms, with or without 91590Srgrimes * modification, are permitted provided that the following conditions 101590Srgrimes * are met: 111590Srgrimes * 1. Redistributions of source code must retain the above copyright 121590Srgrimes * notice, this list of conditions and the following disclaimer. 131590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141590Srgrimes * notice, this list of conditions and the following disclaimer in the 151590Srgrimes * documentation and/or other materials provided with the distribution. 161590Srgrimes * 3. Neither the name of the project nor the names of its contributors 171590Srgrimes * may be used to endorse or promote products derived from this software 181590Srgrimes * without specific prior written permission. 191590Srgrimes * 201590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 211590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 241590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301590Srgrimes * SUCH DAMAGE. 311590Srgrimes */ 321590Srgrimes 331590Srgrimes/*- 341590Srgrimes * Copyright (c) 1985, 1986, 1993 351590Srgrimes * The Regents of the University of California. All rights reserved. 361590Srgrimes * 371590Srgrimes * Redistribution and use in source and binary forms, with or without 381590Srgrimes * modification, are permitted provided that the following conditions 391590Srgrimes * are met: 401590Srgrimes * 1. Redistributions of source code must retain the above copyright 411590Srgrimes * notice, this list of conditions and the following disclaimer. 421590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 431590Srgrimes * notice, this list of conditions and the following disclaimer in the 441590Srgrimes * documentation and/or other materials provided with the distribution. 451590Srgrimes * 4. Neither the name of the University nor the names of its contributors 461590Srgrimes * may be used to endorse or promote products derived from this software 471590Srgrimes * without specific prior written permission. 481590Srgrimes * 4916438Sache * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 501590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 511590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 521590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 531590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 541590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 551590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 561590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 571590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5811547Sdg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 591590Srgrimes * SUCH DAMAGE. 601590Srgrimes * 611590Srgrimes * @(#)in_var.h 8.1 (Berkeley) 6/10/93 621590Srgrimes */ 631590Srgrimes 641590Srgrimes#ifndef _NETINET6_IN6_VAR_H_ 651590Srgrimes#define _NETINET6_IN6_VAR_H_ 661590Srgrimes 671590Srgrimes/* 681590Srgrimes * Interface address, Internet version. One of these structures 691590Srgrimes * is allocated for each interface with an Internet address. 701590Srgrimes * The ifaddr structure contains the protocol-independent part 711590Srgrimes * of the structure and is assumed to be first. 721590Srgrimes */ 731590Srgrimes 741590Srgrimes/* 7511547Sdg * pltime/vltime are just for future reference (required to implements 2 7611547Sdg * hour rule for hosts). they should never be modified by nd6_timeout or 7711547Sdg * anywhere else. 781590Srgrimes * userland -> kernel: accept pltime/vltime 791590Srgrimes * kernel -> userland: throw up everything 8011547Sdg * in kernel: modify preferred/expire only 8111547Sdg */ 821590Srgrimesstruct in6_addrlifetime { 831590Srgrimes time_t ia6t_expire; /* valid lifetime expiration time */ 841590Srgrimes time_t ia6t_preferred; /* preferred lifetime expiration time */ 851590Srgrimes u_int32_t ia6t_vltime; /* valid lifetime */ 861590Srgrimes u_int32_t ia6t_pltime; /* prefix lifetime */ 871590Srgrimes}; 881590Srgrimes 891590Srgrimesstruct nd_ifinfo; 901590Srgrimesstruct scope6_id; 9111547Sdgstruct in6_ifextra { 921590Srgrimes struct in6_ifstat *in6_ifstat; 931590Srgrimes struct icmp6_ifstat *icmp6_ifstat; 941590Srgrimes struct nd_ifinfo *nd_ifinfo; 951590Srgrimes struct scope6_id *scope6_id; 961590Srgrimes}; 971590Srgrimes 981590Srgrimesstruct in6_ifaddr { 991590Srgrimes struct ifaddr ia_ifa; /* protocol-independent info */ 1001590Srgrimes#define ia_ifp ia_ifa.ifa_ifp 1011590Srgrimes#define ia_flags ia_ifa.ifa_flags 1021590Srgrimes struct sockaddr_in6 ia_addr; /* interface address */ 1031590Srgrimes struct sockaddr_in6 ia_net; /* network number of interface */ 10416438Sache struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 10516438Sache struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 1061590Srgrimes u_int32_t ia_plen; /* prefix length */ 1071590Srgrimes struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 1081590Srgrimes int ia6_flags; 1091590Srgrimes 1101590Srgrimes struct in6_addrlifetime ia6_lifetime; 1111590Srgrimes struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 1121590Srgrimes 1131590Srgrimes /* back pointer to the ND prefix (for autoconfigured addresses only) */ 1141590Srgrimes struct nd_prefix *ia6_ndpr; 1151590Srgrimes}; 1161590Srgrimes 1171590Srgrimes/* control structure to manage address selection policy */ 1181590Srgrimesstruct in6_addrpolicy { 1191590Srgrimes struct sockaddr_in6 addr; /* prefix address */ 1201590Srgrimes struct sockaddr_in6 addrmask; /* prefix mask */ 1211590Srgrimes int preced; /* precedence */ 1221590Srgrimes int label; /* matching label */ 1231590Srgrimes u_quad_t use; /* statistics */ 1241590Srgrimes}; 1251590Srgrimes 1261590Srgrimes/* 1271590Srgrimes * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 1281590Srgrimes */ 1291590Srgrimesstruct in6_ifstat { 1301590Srgrimes u_quad_t ifs6_in_receive; /* # of total input datagram */ 1311590Srgrimes u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 1321590Srgrimes u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 1331590Srgrimes u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 1341590Srgrimes u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 1351590Srgrimes u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 1361590Srgrimes /* NOTE: increment on final dst if */ 1371590Srgrimes u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 1381590Srgrimes u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 1391590Srgrimes /* NOTE: fragment timeout is not here */ 1401590Srgrimes u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 1411590Srgrimes /* NOTE: increment on final dst if */ 1421590Srgrimes u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 1431590Srgrimes /* NOTE: increment on outgoing if */ 1441590Srgrimes u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 1451590Srgrimes /* NOTE: does not include forwrads */ 1461590Srgrimes u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 1471590Srgrimes u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 1481590Srgrimes u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 1491590Srgrimes u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 1501590Srgrimes /* NOTE: this is # after fragment */ 1511590Srgrimes u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 1521590Srgrimes /* NOTE: increment on final dst if */ 1531590Srgrimes u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 1541590Srgrimes /* NOTE: this is # after reass */ 1551590Srgrimes /* NOTE: increment on final dst if */ 1561590Srgrimes u_quad_t ifs6_reass_fail; /* # of reass failures */ 1571590Srgrimes /* NOTE: may not be packet count */ 1581590Srgrimes /* NOTE: increment on final dst if */ 1591590Srgrimes u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 1601590Srgrimes u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 1611590Srgrimes}; 1621590Srgrimes 1631590Srgrimes/* 1641590Srgrimes * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 16519223Sjoerg * XXX: I'm not sure if this file is the right place for this structure... 1661590Srgrimes */ 1671590Srgrimesstruct icmp6_ifstat { 1681590Srgrimes /* 16916438Sache * Input statistics 17016438Sache */ 17116438Sache /* ipv6IfIcmpInMsgs, total # of input messages */ 1721590Srgrimes u_quad_t ifs6_in_msg; 17311547Sdg /* ipv6IfIcmpInErrors, # of input error messages */ 17411547Sdg u_quad_t ifs6_in_error; 1751590Srgrimes /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 1761590Srgrimes u_quad_t ifs6_in_dstunreach; 1771590Srgrimes /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 1781590Srgrimes u_quad_t ifs6_in_adminprohib; 1791590Srgrimes /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 1801590Srgrimes u_quad_t ifs6_in_timeexceed; 1811590Srgrimes /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 1821590Srgrimes u_quad_t ifs6_in_paramprob; 1831590Srgrimes /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 1841590Srgrimes u_quad_t ifs6_in_pkttoobig; 1851590Srgrimes /* ipv6IfIcmpInEchos, # of input echo requests */ 1861590Srgrimes u_quad_t ifs6_in_echo; 1871590Srgrimes /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 1881590Srgrimes u_quad_t ifs6_in_echoreply; 1891590Srgrimes /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 1901590Srgrimes u_quad_t ifs6_in_routersolicit; 1911590Srgrimes /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 1921590Srgrimes u_quad_t ifs6_in_routeradvert; 1931590Srgrimes /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 19419223Sjoerg u_quad_t ifs6_in_neighborsolicit; 19511547Sdg /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 19619223Sjoerg u_quad_t ifs6_in_neighboradvert; 19719223Sjoerg /* ipv6IfIcmpInRedirects, # of input redirects */ 19819223Sjoerg u_quad_t ifs6_in_redirect; 19911547Sdg /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 2001590Srgrimes u_quad_t ifs6_in_mldquery; 2011590Srgrimes /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 2021590Srgrimes u_quad_t ifs6_in_mldreport; 20311547Sdg /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 20416438Sache u_quad_t ifs6_in_mlddone; 20516438Sache 20611547Sdg /* 2071590Srgrimes * Output statistics. We should solve unresolved routing problem... 2081590Srgrimes */ 2091590Srgrimes /* ipv6IfIcmpOutMsgs, total # of output messages */ 2101590Srgrimes u_quad_t ifs6_out_msg; 2111590Srgrimes /* ipv6IfIcmpOutErrors, # of output error messages */ 2121590Srgrimes u_quad_t ifs6_out_error; 2131590Srgrimes /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 2141590Srgrimes u_quad_t ifs6_out_dstunreach; 2151590Srgrimes /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 2161590Srgrimes u_quad_t ifs6_out_adminprohib; 2171590Srgrimes /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 2181590Srgrimes u_quad_t ifs6_out_timeexceed; 2191590Srgrimes /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 2201590Srgrimes u_quad_t ifs6_out_paramprob; 2211590Srgrimes /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 2221590Srgrimes u_quad_t ifs6_out_pkttoobig; 22311547Sdg /* ipv6IfIcmpOutEchos, # of output echo requests */ 22416438Sache u_quad_t ifs6_out_echo; 22516438Sache /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 22611547Sdg u_quad_t ifs6_out_echoreply; 22711547Sdg /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 22811547Sdg u_quad_t ifs6_out_routersolicit; 22911547Sdg /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 23011547Sdg u_quad_t ifs6_out_routeradvert; 2311590Srgrimes /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 2321590Srgrimes u_quad_t ifs6_out_neighborsolicit; 2331590Srgrimes /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 2341590Srgrimes u_quad_t ifs6_out_neighboradvert; 2351590Srgrimes /* ipv6IfIcmpOutRedirects, # of output redirects */ 23611547Sdg u_quad_t ifs6_out_redirect; 23711547Sdg /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 23811547Sdg u_quad_t ifs6_out_mldquery; 23911547Sdg /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 24011547Sdg u_quad_t ifs6_out_mldreport; 24111547Sdg /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 24211547Sdg u_quad_t ifs6_out_mlddone; 24311547Sdg}; 24411547Sdg 24511547Sdgstruct in6_ifreq { 24611547Sdg char ifr_name[IFNAMSIZ]; 24711547Sdg union { 24811547Sdg struct sockaddr_in6 ifru_addr; 24911547Sdg struct sockaddr_in6 ifru_dstaddr; 25011547Sdg int ifru_flags; 2511590Srgrimes int ifru_flags6; 25211547Sdg int ifru_metric; 25311547Sdg caddr_t ifru_data; 25411547Sdg struct in6_addrlifetime ifru_lifetime; 25511547Sdg struct in6_ifstat ifru_stat; 25611547Sdg struct icmp6_ifstat ifru_icmp6stat; 25711547Sdg u_int32_t ifru_scope_id[16]; 25811547Sdg } ifr_ifru; 25911547Sdg}; 26011547Sdg 26111547Sdgstruct in6_aliasreq { 26216438Sache char ifra_name[IFNAMSIZ]; 26316438Sache struct sockaddr_in6 ifra_addr; 26411547Sdg struct sockaddr_in6 ifra_dstaddr; 26511547Sdg struct sockaddr_in6 ifra_prefixmask; 26611547Sdg int ifra_flags; 26711547Sdg struct in6_addrlifetime ifra_lifetime; 26811547Sdg}; 26911547Sdg 27011547Sdg/* prefix type macro */ 27111547Sdg#define IN6_PREFIX_ND 1 27211547Sdg#define IN6_PREFIX_RR 2 27311547Sdg 27411547Sdg/* 27511547Sdg * prefix related flags passed between kernel(NDP related part) and 27616438Sache * user land command(ifconfig) and daemon(rtadvd). 27716438Sache */ 27816438Sachestruct in6_prflags { 27916438Sache struct prf_ra { 28016438Sache u_char onlink : 1; 28111547Sdg u_char autonomous : 1; 28216438Sache u_char reserved : 6; 28316438Sache } prf_ra; 28411547Sdg u_char prf_reserved1; 28516438Sache u_short prf_reserved2; 28611547Sdg /* want to put this on 4byte offset */ 28711547Sdg struct prf_rr { 28816438Sache u_char decrvalid : 1; 2891590Srgrimes u_char decrprefd : 1; 29011547Sdg u_char reserved : 6; 29111547Sdg } prf_rr; 29211547Sdg u_char prf_reserved3; 29311547Sdg u_short prf_reserved4; 29411547Sdg}; 29511547Sdg 2961590Srgrimesstruct in6_prefixreq { 2971590Srgrimes char ipr_name[IFNAMSIZ]; 2981590Srgrimes u_char ipr_origin; 2991590Srgrimes u_char ipr_plen; 30016438Sache u_int32_t ipr_vltime; 30116438Sache u_int32_t ipr_pltime; 3021590Srgrimes struct in6_prflags ipr_flags; 3031590Srgrimes struct sockaddr_in6 ipr_prefix; 3041590Srgrimes}; 3051590Srgrimes 3061590Srgrimes#define PR_ORIG_RA 0 3071590Srgrimes#define PR_ORIG_RR 1 3081590Srgrimes#define PR_ORIG_STATIC 2 3091590Srgrimes#define PR_ORIG_KERNEL 3 31011547Sdg 3111590Srgrimes#define ipr_raf_onlink ipr_flags.prf_ra.onlink 3121590Srgrimes#define ipr_raf_auto ipr_flags.prf_ra.autonomous 3131590Srgrimes 3141590Srgrimes#define ipr_statef_onlink ipr_flags.prf_state.onlink 3151590Srgrimes 3161590Srgrimes#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 3171590Srgrimes#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 3181590Srgrimes 3191590Srgrimesstruct in6_rrenumreq { 3201590Srgrimes char irr_name[IFNAMSIZ]; 3211590Srgrimes u_char irr_origin; 3221590Srgrimes u_char irr_m_len; /* match len for matchprefix */ 3231590Srgrimes u_char irr_m_minlen; /* minlen for matching prefix */ 3241590Srgrimes u_char irr_m_maxlen; /* maxlen for matching prefix */ 3251590Srgrimes u_char irr_u_uselen; /* uselen for adding prefix */ 3261590Srgrimes u_char irr_u_keeplen; /* keeplen from matching prefix */ 3271590Srgrimes struct irr_raflagmask { 3281590Srgrimes u_char onlink : 1; 3291590Srgrimes u_char autonomous : 1; 3301590Srgrimes u_char reserved : 6; 3311590Srgrimes } irr_raflagmask; 3321590Srgrimes u_int32_t irr_vltime; 3331590Srgrimes u_int32_t irr_pltime; 3341590Srgrimes struct in6_prflags irr_flags; 3351590Srgrimes struct sockaddr_in6 irr_matchprefix; 3361590Srgrimes struct sockaddr_in6 irr_useprefix; 3371590Srgrimes}; 3381590Srgrimes 3391590Srgrimes#define irr_raf_mask_onlink irr_raflagmask.onlink 3401590Srgrimes#define irr_raf_mask_auto irr_raflagmask.autonomous 3411590Srgrimes#define irr_raf_mask_reserved irr_raflagmask.reserved 3421590Srgrimes 3431590Srgrimes#define irr_raf_onlink irr_flags.prf_ra.onlink 3441590Srgrimes#define irr_raf_auto irr_flags.prf_ra.autonomous 3451590Srgrimes 3461590Srgrimes#define irr_statef_onlink irr_flags.prf_state.onlink 3471590Srgrimes 3481590Srgrimes#define irr_rrf irr_flags.prf_rr 3491590Srgrimes#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 3501590Srgrimes#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 3511590Srgrimes 3521590Srgrimes/* 3531590Srgrimes * Given a pointer to an in6_ifaddr (ifaddr), 3541590Srgrimes * return a pointer to the addr as a sockaddr_in6 3551590Srgrimes */ 3561590Srgrimes#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 3571590Srgrimes#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 3581590Srgrimes#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 3591590Srgrimes#define IA6_SIN6(ia) (&((ia)->ia_addr)) 3601590Srgrimes#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 3611590Srgrimes#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 3621590Srgrimes#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 3631590Srgrimes 3641590Srgrimes#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 3651590Srgrimes 3661590Srgrimes#ifdef _KERNEL 3671590Srgrimes#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 3681590Srgrimes (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 3691590Srgrimes (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 3701590Srgrimes (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 3711590Srgrimes (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 3721590Srgrimes#endif 3731590Srgrimes 3741590Srgrimes#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 3751590Srgrimes#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 3761590Srgrimes 3771590Srgrimes#ifdef _KERNEL 3781590Srgrimes/* 3791590Srgrimes * SIOCSxxx ioctls should be unused (see comments in in6.c), but 3801590Srgrimes * we do not shift numbers for binary compatibility. 3811590Srgrimes */ 3821590Srgrimes#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 3831590Srgrimes#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 3841590Srgrimes#endif 3851590Srgrimes 3861590Srgrimes#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 3871590Srgrimes#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 3881590Srgrimes 3891590Srgrimes#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 3901590Srgrimes#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 3911590Srgrimes 3921590Srgrimes#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 3931590Srgrimes#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 3941590Srgrimes#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 3951590Srgrimes 3961590Srgrimes#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 3971590Srgrimes 3981590Srgrimes#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 3991590Srgrimes#ifdef _KERNEL 4001590Srgrimes/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 4011590Srgrimes#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 4021590Srgrimes#endif 4031590Srgrimes#ifdef _KERNEL 4041590Srgrimes#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 4051590Srgrimes#endif 4061590Srgrimes#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 4071590Srgrimes#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 4081590Srgrimes#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 4091590Srgrimes#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 4101590Srgrimes#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 4111590Srgrimes 4121590Srgrimes#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 4131590Srgrimes#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 4141590Srgrimes#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 4151590Srgrimes#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 4161590Srgrimes 4171590Srgrimes#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 4181590Srgrimes#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 4191590Srgrimes 42016438Sache#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 42116438Sache 4221590Srgrimes#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 42316438Sache#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 42416438Sache#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 4251590Srgrimes 4261590Srgrimes#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 4271590Srgrimes#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 4281590Srgrimes#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 4291590Srgrimes#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 430#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 431 struct in6_rrenumreq) /* change */ 432#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 433 struct in6_rrenumreq) /* set global */ 434 435#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 436 struct sioc_sg_req6) /* get s,g pkt cnt */ 437#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 438 struct sioc_mif_req6) /* get pkt cnt per if */ 439 440#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 441#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 442 443#define IN6_IFF_ANYCAST 0x01 /* anycast address */ 444#define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 445#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 446#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 447#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 448#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 449 * (used only at first SIOC* call) 450 */ 451#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 452#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 453#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 454 * XXX: this should be temporary. 455 */ 456 457/* do not input/output */ 458#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 459 460#ifdef _KERNEL 461#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 462#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 463#endif 464 465#ifdef _KERNEL 466extern struct in6_ifaddr *in6_ifaddr; 467 468extern struct icmp6stat icmp6stat; 469#define in6_ifstat_inc(ifp, tag) \ 470do { \ 471 if (ifp) \ 472 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 473} while (/*CONSTCOND*/ 0) 474 475extern struct in6_addr zeroin6_addr; 476extern u_char inet6ctlerrmap[]; 477extern unsigned long in6_maxmtu; 478#ifdef MALLOC_DECLARE 479MALLOC_DECLARE(M_IPMADDR); 480#endif /* MALLOC_DECLARE */ 481 482/* 483 * Macro for finding the internet address structure (in6_ifaddr) corresponding 484 * to a given interface (ifnet structure). 485 */ 486 487#define IFP_TO_IA6(ifp, ia) \ 488/* struct ifnet *ifp; */ \ 489/* struct in6_ifaddr *ia; */ \ 490do { \ 491 struct ifaddr *ifa; \ 492 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 493 if (!ifa->ifa_addr) \ 494 continue; \ 495 if (ifa->ifa_addr->sa_family == AF_INET6) \ 496 break; \ 497 } \ 498 (ia) = (struct in6_ifaddr *)ifa; \ 499} while (/*CONSTCOND*/ 0) 500 501#endif /* _KERNEL */ 502 503/* 504 * Multi-cast membership entry. One for each group/ifp that a PCB 505 * belongs to. 506 */ 507struct in6_multi_mship { 508 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 509 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 510}; 511 512struct in6_multi { 513 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 514 struct in6_addr in6m_addr; /* IP6 multicast address */ 515 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 516 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 517 u_int in6m_refcount; /* # membership claims by sockets */ 518 u_int in6m_state; /* state of the membership */ 519 u_int in6m_timer; /* MLD6 listener report timer */ 520}; 521 522#ifdef _KERNEL 523extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 524 525/* 526 * Structure used by macros below to remember position when stepping through 527 * all of the in6_multi records. 528 */ 529struct in6_multistep { 530 struct in6_ifaddr *i_ia; 531 struct in6_multi *i_in6m; 532}; 533 534/* 535 * Macros for looking up the in6_multi record for a given IP6 multicast 536 * address on a given interface. If no matching record is found, "in6m" 537 * returns NLL. 538 */ 539 540#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 541/* struct in6_addr addr; */ \ 542/* struct ifnet *ifp; */ \ 543/* struct in6_multi *in6m; */ \ 544do { \ 545 struct ifmultiaddr *ifma; \ 546 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ 547 if (ifma->ifma_addr->sa_family == AF_INET6 \ 548 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 549 &(addr))) \ 550 break; \ 551 } \ 552 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 553} while(0) 554 555/* 556 * Macro to step through all of the in6_multi records, one at a time. 557 * The current position is remembered in "step", which the caller must 558 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 559 * and get the first record. Both macros return a NULL "in6m" when there 560 * are no remaining records. 561 */ 562#define IN6_NEXT_MULTI(step, in6m) \ 563/* struct in6_multistep step; */ \ 564/* struct in6_multi *in6m; */ \ 565do { \ 566 if (((in6m) = (step).i_in6m) != NULL) \ 567 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 568} while(0) 569 570#define IN6_FIRST_MULTI(step, in6m) \ 571/* struct in6_multistep step; */ \ 572/* struct in6_multi *in6m */ \ 573do { \ 574 (step).i_in6m = in6_multihead.lh_first; \ 575 IN6_NEXT_MULTI((step), (in6m)); \ 576} while(0) 577 578struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 579 int *)); 580void in6_delmulti __P((struct in6_multi *)); 581struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 582int in6_leavegroup(struct in6_multi_mship *); 583int in6_mask2len __P((struct in6_addr *, u_char *)); 584int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 585 struct thread *)); 586int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 587 struct in6_ifaddr *)); 588void in6_purgeaddr __P((struct ifaddr *)); 589int in6if_do_dad __P((struct ifnet *)); 590void in6_purgeif __P((struct ifnet *)); 591void in6_savemkludge __P((struct in6_ifaddr *)); 592void *in6_domifattach __P((struct ifnet *)); 593void in6_domifdetach __P((struct ifnet *, void *)); 594void in6_setmaxmtu __P((void)); 595void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 596void in6_purgemkludge __P((struct ifnet *)); 597struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 598struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 599char *ip6_sprintf __P((const struct in6_addr *)); 600int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); 601int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 602int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 603void in6_prefixlen2mask __P((struct in6_addr *, int)); 604int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, 605 struct ifnet *)); 606int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); 607void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); 608void in6_purgeprefix __P((struct ifnet *)); 609void in6_ifremloop(struct ifaddr *); 610void in6_ifaddloop(struct ifaddr *); 611 612int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 613struct inpcb; 614int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, 615 struct inpcb *, struct ifnet **)); 616int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, 617 struct ifnet *)); 618void in6_clearscope __P((struct in6_addr *)); 619int in6_src_ioctl __P((u_long, caddr_t)); 620#endif /* _KERNEL */ 621 622#endif /* _NETINET6_IN6_VAR_H_ */ 623