in6_var.h

00001 /*      $FreeBSD: src/sys/netinet6/in6_var.h,v 1.21.2.1 2005/08/24 15:18:38 rwatson Exp $       */
00002 /*      $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $        */
00003 
00004 /*-
00005  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
00006  * All rights reserved.
00007 * © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved.
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the project nor the names of its contributors
00017  *    may be used to endorse or promote products derived from this software
00018  *    without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
00021  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00022  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00023  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
00024  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00025  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00026  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00027  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00028  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00029  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00030  * SUCH DAMAGE.
00031  */
00032 
00033 /*-
00034  * Copyright (c) 1985, 1986, 1993
00035  *      The Regents of the University of California.  All rights reserved.
00036  *
00037  * Redistribution and use in source and binary forms, with or without
00038  * modification, are permitted provided that the following conditions
00039  * are met:
00040  * 1. Redistributions of source code must retain the above copyright
00041  *    notice, this list of conditions and the following disclaimer.
00042  * 2. Redistributions in binary form must reproduce the above copyright
00043  *    notice, this list of conditions and the following disclaimer in the
00044  *    documentation and/or other materials provided with the distribution.
00045  * 4. Neither the name of the University nor the names of its contributors
00046  *    may be used to endorse or promote products derived from this software
00047  *    without specific prior written permission.
00048  *
00049  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00050  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00051  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00052  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00053  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00054  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00055  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00056  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00057  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00058  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00059  * SUCH DAMAGE.
00060  *
00061  *      @(#)in_var.h    8.1 (Berkeley) 6/10/93
00062  */
00063 
00064 #ifndef _NETINET6_IN6_VAR_H_
00065 #define _NETINET6_IN6_VAR_H_
00066 
00067 /*
00068  * Interface address, Internet version.  One of these structures
00069  * is allocated for each interface with an Internet address.
00070  * The ifaddr structure contains the protocol-independent part
00071  * of the structure and is assumed to be first.
00072  */
00073 
00074 /*
00075  * pltime/vltime are just for future reference (required to implements 2
00076  * hour rule for hosts).  they should never be modified by nd6_timeout or
00077  * anywhere else.
00078  *      userland -> kernel: accept pltime/vltime
00079  *      kernel -> userland: throw up everything
00080  *      in kernel: modify preferred/expire only
00081  */
00082 struct in6_addrlifetime {
00083         time_t ia6t_expire;     /* valid lifetime expiration time */
00084         time_t ia6t_preferred;  /* preferred lifetime expiration time */
00085         u_int32_t ia6t_vltime;  /* valid lifetime */
00086         u_int32_t ia6t_pltime;  /* prefix lifetime */
00087 };
00088 
00089 struct nd_ifinfo;
00090 struct scope6_id;
00091 struct in6_ifextra {
00092         struct in6_ifstat *in6_ifstat;
00093         struct icmp6_ifstat *icmp6_ifstat;
00094         struct nd_ifinfo *nd_ifinfo;
00095         struct scope6_id *scope6_id;
00096 };
00097 
00098 #ifndef __SYMBIAN32__
00099 /*
00100  * XXX: removing dependency on ifaddr for getaddrinfo()
00101  */
00102 struct  in6_ifaddr {
00103         struct  ifaddr ia_ifa;          /* protocol-independent info */
00104 #define ia_ifp          ia_ifa.ifa_ifp
00105 #define ia_flags        ia_ifa.ifa_flags
00106         struct  sockaddr_in6 ia_addr;   /* interface address */
00107         struct  sockaddr_in6 ia_net;    /* network number of interface */
00108         struct  sockaddr_in6 ia_dstaddr; /* space for destination addr */
00109         struct  sockaddr_in6 ia_prefixmask; /* prefix mask */
00110         u_int32_t ia_plen;              /* prefix length */
00111         struct  in6_ifaddr *ia_next;    /* next in6 list of IP6 addresses */
00112         int     ia6_flags;
00113 
00114         struct in6_addrlifetime ia6_lifetime;
00115         struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
00116 
00117         /* back pointer to the ND prefix (for autoconfigured addresses only) */
00118         struct nd_prefix *ia6_ndpr;
00119 };
00120 //__SYMBIAN32__
00121 #endif
00122 /* control structure to manage address selection policy */
00123 struct in6_addrpolicy {
00124         struct sockaddr_in6 addr; /* prefix address */
00125         struct sockaddr_in6 addrmask; /* prefix mask */
00126         int preced;             /* precedence */
00127         int label;              /* matching label */
00128         u_quad_t use;           /* statistics */
00129 };
00130 
00131 /*
00132  * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
00133  */
00134 struct in6_ifstat {
00135         u_quad_t ifs6_in_receive;       /* # of total input datagram */
00136         u_quad_t ifs6_in_hdrerr;        /* # of datagrams with invalid hdr */
00137         u_quad_t ifs6_in_toobig;        /* # of datagrams exceeded MTU */
00138         u_quad_t ifs6_in_noroute;       /* # of datagrams with no route */
00139         u_quad_t ifs6_in_addrerr;       /* # of datagrams with invalid dst */
00140         u_quad_t ifs6_in_protounknown;  /* # of datagrams with unknown proto */
00141                                         /* NOTE: increment on final dst if */
00142         u_quad_t ifs6_in_truncated;     /* # of truncated datagrams */
00143         u_quad_t ifs6_in_discard;       /* # of discarded datagrams */
00144                                         /* NOTE: fragment timeout is not here */
00145         u_quad_t ifs6_in_deliver;       /* # of datagrams delivered to ULP */
00146                                         /* NOTE: increment on final dst if */
00147         u_quad_t ifs6_out_forward;      /* # of datagrams forwarded */
00148                                         /* NOTE: increment on outgoing if */
00149         u_quad_t ifs6_out_request;      /* # of outgoing datagrams from ULP */
00150                                         /* NOTE: does not include forwrads */
00151         u_quad_t ifs6_out_discard;      /* # of discarded datagrams */
00152         u_quad_t ifs6_out_fragok;       /* # of datagrams fragmented */
00153         u_quad_t ifs6_out_fragfail;     /* # of datagrams failed on fragment */
00154         u_quad_t ifs6_out_fragcreat;    /* # of fragment datagrams */
00155                                         /* NOTE: this is # after fragment */
00156         u_quad_t ifs6_reass_reqd;       /* # of incoming fragmented packets */
00157                                         /* NOTE: increment on final dst if */
00158         u_quad_t ifs6_reass_ok;         /* # of reassembled packets */
00159                                         /* NOTE: this is # after reass */
00160                                         /* NOTE: increment on final dst if */
00161         u_quad_t ifs6_reass_fail;       /* # of reass failures */
00162                                         /* NOTE: may not be packet count */
00163                                         /* NOTE: increment on final dst if */
00164         u_quad_t ifs6_in_mcast;         /* # of inbound multicast datagrams */
00165         u_quad_t ifs6_out_mcast;        /* # of outbound multicast datagrams */
00166 };
00167 
00168 /*
00169  * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
00170  * XXX: I'm not sure if this file is the right place for this structure...
00171  */
00172 struct icmp6_ifstat {
00173         /*
00174          * Input statistics
00175          */
00176         /* ipv6IfIcmpInMsgs, total # of input messages */
00177         u_quad_t ifs6_in_msg;
00178         /* ipv6IfIcmpInErrors, # of input error messages */
00179         u_quad_t ifs6_in_error;
00180         /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
00181         u_quad_t ifs6_in_dstunreach;
00182         /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
00183         u_quad_t ifs6_in_adminprohib;
00184         /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
00185         u_quad_t ifs6_in_timeexceed;
00186         /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
00187         u_quad_t ifs6_in_paramprob;
00188         /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
00189         u_quad_t ifs6_in_pkttoobig;
00190         /* ipv6IfIcmpInEchos, # of input echo requests */
00191         u_quad_t ifs6_in_echo;
00192         /* ipv6IfIcmpInEchoReplies, # of input echo replies */
00193         u_quad_t ifs6_in_echoreply;
00194         /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
00195         u_quad_t ifs6_in_routersolicit;
00196         /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
00197         u_quad_t ifs6_in_routeradvert;
00198         /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
00199         u_quad_t ifs6_in_neighborsolicit;
00200         /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
00201         u_quad_t ifs6_in_neighboradvert;
00202         /* ipv6IfIcmpInRedirects, # of input redirects */
00203         u_quad_t ifs6_in_redirect;
00204         /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
00205         u_quad_t ifs6_in_mldquery;
00206         /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
00207         u_quad_t ifs6_in_mldreport;
00208         /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
00209         u_quad_t ifs6_in_mlddone;
00210 
00211         /*
00212          * Output statistics. We should solve unresolved routing problem...
00213          */
00214         /* ipv6IfIcmpOutMsgs, total # of output messages */
00215         u_quad_t ifs6_out_msg;
00216         /* ipv6IfIcmpOutErrors, # of output error messages */
00217         u_quad_t ifs6_out_error;
00218         /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
00219         u_quad_t ifs6_out_dstunreach;
00220         /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
00221         u_quad_t ifs6_out_adminprohib;
00222         /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
00223         u_quad_t ifs6_out_timeexceed;
00224         /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
00225         u_quad_t ifs6_out_paramprob;
00226         /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
00227         u_quad_t ifs6_out_pkttoobig;
00228         /* ipv6IfIcmpOutEchos, # of output echo requests */
00229         u_quad_t ifs6_out_echo;
00230         /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
00231         u_quad_t ifs6_out_echoreply;
00232         /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
00233         u_quad_t ifs6_out_routersolicit;
00234         /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
00235         u_quad_t ifs6_out_routeradvert;
00236         /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
00237         u_quad_t ifs6_out_neighborsolicit;
00238         /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
00239         u_quad_t ifs6_out_neighboradvert;
00240         /* ipv6IfIcmpOutRedirects, # of output redirects */
00241         u_quad_t ifs6_out_redirect;
00242         /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
00243         u_quad_t ifs6_out_mldquery;
00244         /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
00245         u_quad_t ifs6_out_mldreport;
00246         /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
00247         u_quad_t ifs6_out_mlddone;
00248 };
00249 
00250 struct  in6_ifreq {
00251         char    ifr_name[IFNAMSIZ];
00252         union {
00253                 struct  sockaddr_in6 ifru_addr;
00254                 struct  sockaddr_in6 ifru_dstaddr;
00255                 int     ifru_flags;
00256                 int     ifru_flags6;
00257                 int     ifru_metric;
00258                 caddr_t ifru_data;
00259                 struct in6_addrlifetime ifru_lifetime;
00260                 struct in6_ifstat ifru_stat;
00261                 struct icmp6_ifstat ifru_icmp6stat;
00262                 u_int32_t ifru_scope_id[16];
00263         } ifr_ifru;
00264 };
00265 
00266 struct  in6_aliasreq {
00267         char    ifra_name[IFNAMSIZ];
00268         struct  sockaddr_in6 ifra_addr;
00269         struct  sockaddr_in6 ifra_dstaddr;
00270         struct  sockaddr_in6 ifra_prefixmask;
00271         int     ifra_flags;
00272         struct in6_addrlifetime ifra_lifetime;
00273 };
00274 
00275 /* prefix type macro */
00276 #define IN6_PREFIX_ND   1
00277 #define IN6_PREFIX_RR   2
00278 
00279 /*
00280  * prefix related flags passed between kernel(NDP related part) and
00281  * user land command(ifconfig) and daemon(rtadvd).
00282  */
00283 struct in6_prflags {
00284         struct prf_ra {
00285                 u_char onlink : 1;
00286                 u_char autonomous : 1;
00287                 u_char reserved : 6;
00288         } prf_ra;
00289         u_char prf_reserved1;
00290         u_short prf_reserved2;
00291         /* want to put this on 4byte offset */
00292         struct prf_rr {
00293                 u_char decrvalid : 1;
00294                 u_char decrprefd : 1;
00295                 u_char reserved : 6;
00296         } prf_rr;
00297         u_char prf_reserved3;
00298         u_short prf_reserved4;
00299 };
00300 
00301 struct  in6_prefixreq {
00302         char    ipr_name[IFNAMSIZ];
00303         u_char  ipr_origin;
00304         u_char  ipr_plen;
00305         u_int32_t ipr_vltime;
00306         u_int32_t ipr_pltime;
00307         struct in6_prflags ipr_flags;
00308         struct  sockaddr_in6 ipr_prefix;
00309 };
00310 
00311 #define PR_ORIG_RA      0
00312 #define PR_ORIG_RR      1
00313 #define PR_ORIG_STATIC  2
00314 #define PR_ORIG_KERNEL  3
00315 
00316 #define ipr_raf_onlink          ipr_flags.prf_ra.onlink
00317 #define ipr_raf_auto            ipr_flags.prf_ra.autonomous
00318 
00319 #define ipr_statef_onlink       ipr_flags.prf_state.onlink
00320 
00321 #define ipr_rrf_decrvalid       ipr_flags.prf_rr.decrvalid
00322 #define ipr_rrf_decrprefd       ipr_flags.prf_rr.decrprefd
00323 
00324 struct  in6_rrenumreq {
00325         char    irr_name[IFNAMSIZ];
00326         u_char  irr_origin;
00327         u_char  irr_m_len;      /* match len for matchprefix */
00328         u_char  irr_m_minlen;   /* minlen for matching prefix */
00329         u_char  irr_m_maxlen;   /* maxlen for matching prefix */
00330         u_char  irr_u_uselen;   /* uselen for adding prefix */
00331         u_char  irr_u_keeplen;  /* keeplen from matching prefix */
00332         struct irr_raflagmask {
00333                 u_char onlink : 1;
00334                 u_char autonomous : 1;
00335                 u_char reserved : 6;
00336         } irr_raflagmask;
00337         u_int32_t irr_vltime;
00338         u_int32_t irr_pltime;
00339         struct in6_prflags irr_flags;
00340         struct  sockaddr_in6 irr_matchprefix;
00341         struct  sockaddr_in6 irr_useprefix;
00342 };
00343 
00344 #define irr_raf_mask_onlink     irr_raflagmask.onlink
00345 #define irr_raf_mask_auto       irr_raflagmask.autonomous
00346 #define irr_raf_mask_reserved   irr_raflagmask.reserved
00347 
00348 #define irr_raf_onlink          irr_flags.prf_ra.onlink
00349 #define irr_raf_auto            irr_flags.prf_ra.autonomous
00350 
00351 #define irr_statef_onlink       irr_flags.prf_state.onlink
00352 
00353 #define irr_rrf                 irr_flags.prf_rr
00354 #define irr_rrf_decrvalid       irr_flags.prf_rr.decrvalid
00355 #define irr_rrf_decrprefd       irr_flags.prf_rr.decrprefd
00356 
00357 /*
00358  * Given a pointer to an in6_ifaddr (ifaddr),
00359  * return a pointer to the addr as a sockaddr_in6
00360  */
00361 #define IA6_IN6(ia)     (&((ia)->ia_addr.sin6_addr))
00362 #define IA6_DSTIN6(ia)  (&((ia)->ia_dstaddr.sin6_addr))
00363 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
00364 #define IA6_SIN6(ia)    (&((ia)->ia_addr))
00365 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
00366 #define IFA_IN6(x)      (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
00367 #define IFA_DSTIN6(x)   (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
00368 
00369 #define IFPR_IN6(x)     (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
00370 
00371 #ifdef _KERNEL
00372 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m)      (       \
00373         (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
00374         (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
00375         (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
00376         (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
00377 #endif
00378 
00379 #define SIOCSIFADDR_IN6          _IOW('i', 12, struct in6_ifreq)
00380 #define SIOCGIFADDR_IN6         _IOWR('i', 33, struct in6_ifreq)
00381 
00382 #ifdef _KERNEL
00383 /*
00384  * SIOCSxxx ioctls should be unused (see comments in in6.c), but
00385  * we do not shift numbers for binary compatibility.
00386  */
00387 #define SIOCSIFDSTADDR_IN6       _IOW('i', 14, struct in6_ifreq)
00388 #define SIOCSIFNETMASK_IN6       _IOW('i', 22, struct in6_ifreq)
00389 #endif
00390 
00391 #define SIOCGIFDSTADDR_IN6      _IOWR('i', 34, struct in6_ifreq)
00392 #define SIOCGIFNETMASK_IN6      _IOWR('i', 37, struct in6_ifreq)
00393 
00394 #define SIOCDIFADDR_IN6          _IOW('i', 25, struct in6_ifreq)
00395 #define SIOCAIFADDR_IN6          _IOW('i', 26, struct in6_aliasreq)
00396 
00397 #define SIOCSIFPHYADDR_IN6       _IOW('i', 70, struct in6_aliasreq)
00398 #define SIOCGIFPSRCADDR_IN6     _IOWR('i', 71, struct in6_ifreq)
00399 #define SIOCGIFPDSTADDR_IN6     _IOWR('i', 72, struct in6_ifreq)
00400 
00401 #define SIOCGIFAFLAG_IN6        _IOWR('i', 73, struct in6_ifreq)
00402 
00403 #define SIOCGDRLST_IN6          _IOWR('i', 74, struct in6_drlist)
00404 #ifdef _KERNEL
00405 /* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
00406 #define SIOCGPRLST_IN6          _IOWR('i', 75, struct in6_oprlist)
00407 #endif
00408 #ifdef _KERNEL
00409 #define OSIOCGIFINFO_IN6        _IOWR('i', 76, struct in6_ondireq)
00410 #endif
00411 #define SIOCGIFINFO_IN6         _IOWR('i', 108, struct in6_ndireq)
00412 #define SIOCSNDFLUSH_IN6        _IOWR('i', 77, struct in6_ifreq)
00413 #define SIOCGNBRINFO_IN6        _IOWR('i', 78, struct in6_nbrinfo)
00414 #define SIOCSPFXFLUSH_IN6       _IOWR('i', 79, struct in6_ifreq)
00415 #define SIOCSRTRFLUSH_IN6       _IOWR('i', 80, struct in6_ifreq)
00416 
00417 #define SIOCGIFALIFETIME_IN6    _IOWR('i', 81, struct in6_ifreq)
00418 #define SIOCSIFALIFETIME_IN6    _IOWR('i', 82, struct in6_ifreq)
00419 #define SIOCGIFSTAT_IN6         _IOWR('i', 83, struct in6_ifreq)
00420 #define SIOCGIFSTAT_ICMP6       _IOWR('i', 84, struct in6_ifreq)
00421 
00422 #define SIOCSDEFIFACE_IN6       _IOWR('i', 85, struct in6_ndifreq)
00423 #define SIOCGDEFIFACE_IN6       _IOWR('i', 86, struct in6_ndifreq)
00424 
00425 #define SIOCSIFINFO_FLAGS       _IOWR('i', 87, struct in6_ndireq) /* XXX */
00426 
00427 #define SIOCSSCOPE6             _IOW('i', 88, struct in6_ifreq)
00428 #define SIOCGSCOPE6             _IOWR('i', 89, struct in6_ifreq)
00429 #define SIOCGSCOPE6DEF          _IOWR('i', 90, struct in6_ifreq)
00430 
00431 #define SIOCSIFPREFIX_IN6       _IOW('i', 100, struct in6_prefixreq) /* set */
00432 #define SIOCGIFPREFIX_IN6       _IOWR('i', 101, struct in6_prefixreq) /* get */
00433 #define SIOCDIFPREFIX_IN6       _IOW('i', 102, struct in6_prefixreq) /* del */
00434 #define SIOCAIFPREFIX_IN6       _IOW('i', 103, struct in6_rrenumreq) /* add */
00435 #define SIOCCIFPREFIX_IN6       _IOW('i', 104, \
00436                                      struct in6_rrenumreq) /* change */
00437 #define SIOCSGIFPREFIX_IN6      _IOW('i', 105, \
00438                                      struct in6_rrenumreq) /* set global */
00439 
00440 #define SIOCGETSGCNT_IN6        _IOWR('u', 106, \
00441                                       struct sioc_sg_req6) /* get s,g pkt cnt */
00442 #define SIOCGETMIFCNT_IN6       _IOWR('u', 107, \
00443                                       struct sioc_mif_req6) /* get pkt cnt per if */
00444 
00445 #define SIOCAADDRCTL_POLICY     _IOW('u', 108, struct in6_addrpolicy)
00446 #define SIOCDADDRCTL_POLICY     _IOW('u', 109, struct in6_addrpolicy)
00447 
00448 #define IN6_IFF_ANYCAST         0x01    /* anycast address */
00449 #define IN6_IFF_TENTATIVE       0x02    /* tentative address */
00450 #define IN6_IFF_DUPLICATED      0x04    /* DAD detected duplicate */
00451 #define IN6_IFF_DETACHED        0x08    /* may be detached from the link */
00452 #define IN6_IFF_DEPRECATED      0x10    /* deprecated address */
00453 #define IN6_IFF_NODAD           0x20    /* don't perform DAD on this address
00454                                          * (used only at first SIOC* call)
00455                                          */
00456 #define IN6_IFF_AUTOCONF        0x40    /* autoconfigurable address. */
00457 #define IN6_IFF_TEMPORARY       0x80    /* temporary (anonymous) address. */
00458 #define IN6_IFF_NOPFX           0x8000  /* skip kernel prefix management.
00459                                          * XXX: this should be temporary.
00460                                          */
00461 
00462 /* do not input/output */
00463 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
00464 
00465 #ifdef _KERNEL
00466 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
00467 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
00468 #endif
00469 
00470 #ifdef _KERNEL
00471 extern struct in6_ifaddr *in6_ifaddr;
00472 
00473 extern struct icmp6stat icmp6stat;
00474 #define in6_ifstat_inc(ifp, tag) \
00475 do {                                                            \
00476         if (ifp)                                                \
00477                 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
00478 } while (/*CONSTCOND*/ 0)
00479 
00480 extern struct in6_addr zeroin6_addr;
00481 extern u_char inet6ctlerrmap[];
00482 extern unsigned long in6_maxmtu;
00483 #ifdef MALLOC_DECLARE
00484 MALLOC_DECLARE(M_IPMADDR);
00485 #endif /* MALLOC_DECLARE */
00486 
00487 /*
00488  * Macro for finding the internet address structure (in6_ifaddr) corresponding
00489  * to a given interface (ifnet structure).
00490  */
00491 
00492 #define IFP_TO_IA6(ifp, ia)                             \
00493 /* struct ifnet *ifp; */                                \
00494 /* struct in6_ifaddr *ia; */                            \
00495 do {                                                                    \
00496         struct ifaddr *ifa;                                             \
00497         for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) {   \
00498                 if (!ifa->ifa_addr)                                     \
00499                         continue;                                       \
00500                 if (ifa->ifa_addr->sa_family == AF_INET6)               \
00501                         break;                                          \
00502         }                                                               \
00503         (ia) = (struct in6_ifaddr *)ifa;                                \
00504 } while (/*CONSTCOND*/ 0)
00505 
00506 #endif /* _KERNEL */
00507 
00508 /*
00509  * Multi-cast membership entry.  One for each group/ifp that a PCB
00510  * belongs to.
00511  */
00512 struct in6_multi_mship {
00513         struct  in6_multi *i6mm_maddr;  /* Multicast address pointer */
00514         LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
00515 };
00516 
00517 struct  in6_multi {
00518         LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
00519         struct  in6_addr in6m_addr;     /* IP6 multicast address */
00520         struct  ifnet *in6m_ifp;        /* back pointer to ifnet */
00521         struct  ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
00522         u_int   in6m_refcount;          /* # membership claims by sockets */
00523         u_int   in6m_state;             /* state of the membership */
00524         u_int   in6m_timer;             /* MLD6 listener report timer */
00525 };
00526 
00527 #ifdef _KERNEL
00528 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
00529 
00530 /*
00531  * Structure used by macros below to remember position when stepping through
00532  * all of the in6_multi records.
00533  */
00534 struct  in6_multistep {
00535         struct  in6_ifaddr *i_ia;
00536         struct  in6_multi *i_in6m;
00537 };
00538 
00539 /*
00540  * Macros for looking up the in6_multi record for a given IP6 multicast
00541  * address on a given interface. If no matching record is found, "in6m"
00542  * returns NLL.
00543  */
00544 
00545 #define IN6_LOOKUP_MULTI(addr, ifp, in6m)                       \
00546 /* struct in6_addr addr; */                                     \
00547 /* struct ifnet *ifp; */                                        \
00548 /* struct in6_multi *in6m; */                                   \
00549 do { \
00550         struct ifmultiaddr *ifma; \
00551         IF_ADDR_LOCK(ifp); \
00552         TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \
00553                 if (ifma->ifma_addr->sa_family == AF_INET6 \
00554                     && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
00555                                           &(addr))) \
00556                         break; \
00557         } \
00558         (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
00559         IF_ADDR_UNLOCK(ifp); \
00560 } while(0)
00561 
00562 /*
00563  * Macro to step through all of the in6_multi records, one at a time.
00564  * The current position is remembered in "step", which the caller must
00565  * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
00566  * and get the first record.  Both macros return a NULL "in6m" when there
00567  * are no remaining records.
00568  */
00569 #define IN6_NEXT_MULTI(step, in6m)                                      \
00570 /* struct in6_multistep step; */                                        \
00571 /* struct in6_multi *in6m; */                                           \
00572 do { \
00573         if (((in6m) = (step).i_in6m) != NULL) \
00574                 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
00575 } while(0)
00576 
00577 #define IN6_FIRST_MULTI(step, in6m)             \
00578 /* struct in6_multistep step; */                \
00579 /* struct in6_multi *in6m */                    \
00580 do { \
00581         (step).i_in6m = in6_multihead.lh_first; \
00582                 IN6_NEXT_MULTI((step), (in6m)); \
00583 } while(0)
00584 
00585 struct  in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
00586         int *));
00587 void    in6_delmulti __P((struct in6_multi *));
00588 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
00589 int     in6_leavegroup(struct in6_multi_mship *);
00590 int     in6_mask2len __P((struct in6_addr *, u_char *));
00591 int     in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
00592         struct thread *));
00593 int     in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
00594         struct in6_ifaddr *));
00595 void    in6_purgeaddr __P((struct ifaddr *));
00596 int     in6if_do_dad __P((struct ifnet *));
00597 void    in6_purgeif __P((struct ifnet *));
00598 void    in6_savemkludge __P((struct in6_ifaddr *));
00599 void    *in6_domifattach __P((struct ifnet *));
00600 void    in6_domifdetach __P((struct ifnet *, void *));
00601 void    in6_setmaxmtu   __P((void));
00602 void    in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
00603 void    in6_purgemkludge __P((struct ifnet *));
00604 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
00605 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
00606 char    *ip6_sprintf __P((const struct in6_addr *));
00607 int     in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
00608 int     in6_matchlen __P((struct in6_addr *, struct in6_addr *));
00609 int     in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
00610 void    in6_prefixlen2mask __P((struct in6_addr *, int));
00611 int     in6_prefix_ioctl __P((struct socket *, u_long, caddr_t,
00612         struct ifnet *));
00613 int     in6_prefix_add_ifid __P((int, struct in6_ifaddr *));
00614 void    in6_prefix_remove_ifid __P((int, struct in6_ifaddr *));
00615 void    in6_purgeprefix __P((struct ifnet *));
00616 void    in6_ifremloop(struct ifaddr *);
00617 void    in6_ifaddloop(struct ifaddr *);
00618 
00619 int     in6_is_addr_deprecated __P((struct sockaddr_in6 *));
00620 struct inpcb;
00621 int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *,
00622         struct inpcb *, struct ifnet **));
00623 int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *,
00624         struct ifnet *));
00625 void in6_clearscope __P((struct in6_addr *));
00626 int in6_src_ioctl __P((u_long, caddr_t));
00627 #endif /* _KERNEL */
00628 
00629 #endif /* _NETINET6_IN6_VAR_H_ */