The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/netinet6/in6_var.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: in6_var.h,v 1.64 2009/01/15 23:22:15 christos Exp $    */
    2 /*      $KAME: in6_var.h,v 1.81 2002/06/08 11:16:51 itojun Exp $        */
    3 
    4 /*
    5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. Neither the name of the project nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * Copyright (c) 1985, 1986, 1993
   35  *      The Regents of the University of California.  All rights reserved.
   36  *
   37  * Redistribution and use in source and binary forms, with or without
   38  * modification, are permitted provided that the following conditions
   39  * are met:
   40  * 1. Redistributions of source code must retain the above copyright
   41  *    notice, this list of conditions and the following disclaimer.
   42  * 2. Redistributions in binary form must reproduce the above copyright
   43  *    notice, this list of conditions and the following disclaimer in the
   44  *    documentation and/or other materials provided with the distribution.
   45  * 3. Neither the name of the University nor the names of its contributors
   46  *    may be used to endorse or promote products derived from this software
   47  *    without specific prior written permission.
   48  *
   49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   59  * SUCH DAMAGE.
   60  *
   61  *      @(#)in_var.h    8.1 (Berkeley) 6/10/93
   62  */
   63 
   64 #ifndef _NETINET6_IN6_VAR_H_
   65 #define _NETINET6_IN6_VAR_H_
   66 
   67 #include <sys/callout.h>
   68 
   69 /*
   70  * Interface address, Internet version.  One of these structures
   71  * is allocated for each interface with an Internet address.
   72  * The ifaddr structure contains the protocol-independent part
   73  * of the structure and is assumed to be first.
   74  */
   75 
   76 /*
   77  * pltime/vltime are just for future reference (required to implements 2
   78  * hour rule for hosts).  they should never be modified by nd6_timeout or
   79  * anywhere else.
   80  *      userland -> kernel: accept pltime/vltime
   81  *      kernel -> userland: throw up everything
   82  *      in kernel: modify preferred/expire only
   83  */
   84 struct in6_addrlifetime {
   85         time_t ia6t_expire;     /* valid lifetime expiration time */
   86         time_t ia6t_preferred;  /* preferred lifetime expiration time */
   87         u_int32_t ia6t_vltime;  /* valid lifetime */
   88         u_int32_t ia6t_pltime;  /* prefix lifetime */
   89 };
   90 
   91 struct nd_ifinfo;
   92 struct in6_ifextra {
   93         struct in6_ifstat *in6_ifstat;
   94         struct icmp6_ifstat *icmp6_ifstat;
   95         struct nd_ifinfo *nd_ifinfo;
   96         struct scope6_id *scope6_id;
   97 };
   98 
   99 struct  in6_ifaddr {
  100         struct  ifaddr ia_ifa;          /* protocol-independent info */
  101 #define ia_ifp          ia_ifa.ifa_ifp
  102 #define ia_flags        ia_ifa.ifa_flags
  103         struct  sockaddr_in6 ia_addr;   /* interface address */
  104         struct  sockaddr_in6 ia_net;    /* network number of interface */
  105         struct  sockaddr_in6 ia_dstaddr; /* space for destination addr */
  106         struct  sockaddr_in6 ia_prefixmask; /* prefix mask */
  107         u_int32_t ia_plen;              /* prefix length */
  108         struct  in6_ifaddr *ia_next;    /* next in6 list of IP6 addresses */
  109         LIST_HEAD(in6_multihead, in6_multi) ia6_multiaddrs;
  110                                         /* list of multicast addresses */
  111         int     ia6_flags;
  112 
  113         struct in6_addrlifetime ia6_lifetime;
  114         time_t  ia6_createtime; /* the creation time of this address, which is
  115                                  * currently used for temporary addresses only.
  116                                  */
  117         time_t  ia6_updatetime;
  118 
  119         /* back pointer to the ND prefix (for autoconfigured addresses only) */
  120         struct nd_prefix *ia6_ndpr;
  121 
  122         /* multicast addresses joined from the kernel */
  123         LIST_HEAD(, in6_multi_mship) ia6_memberships;
  124 };
  125 
  126 /* control structure to manage address selection policy */
  127 struct in6_addrpolicy {
  128         struct sockaddr_in6 addr; /* prefix address */
  129         struct sockaddr_in6 addrmask; /* prefix mask */
  130         int preced;             /* precedence */
  131         int label;              /* matching label */
  132         u_quad_t use;           /* statistics */
  133 };
  134 
  135 /*
  136  * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
  137  */
  138 struct in6_ifstat {
  139         u_quad_t ifs6_in_receive;       /* # of total input datagram */
  140         u_quad_t ifs6_in_hdrerr;        /* # of datagrams with invalid hdr */
  141         u_quad_t ifs6_in_toobig;        /* # of datagrams exceeded MTU */
  142         u_quad_t ifs6_in_noroute;       /* # of datagrams with no route */
  143         u_quad_t ifs6_in_addrerr;       /* # of datagrams with invalid dst */
  144         u_quad_t ifs6_in_protounknown;  /* # of datagrams with unknown proto */
  145                                         /* NOTE: increment on final dst if */
  146         u_quad_t ifs6_in_truncated;     /* # of truncated datagrams */
  147         u_quad_t ifs6_in_discard;       /* # of discarded datagrams */
  148                                         /* NOTE: fragment timeout is not here */
  149         u_quad_t ifs6_in_deliver;       /* # of datagrams delivered to ULP */
  150                                         /* NOTE: increment on final dst if */
  151         u_quad_t ifs6_out_forward;      /* # of datagrams forwarded */
  152                                         /* NOTE: increment on outgoing if */
  153         u_quad_t ifs6_out_request;      /* # of outgoing datagrams from ULP */
  154                                         /* NOTE: does not include forwrads */
  155         u_quad_t ifs6_out_discard;      /* # of discarded datagrams */
  156         u_quad_t ifs6_out_fragok;       /* # of datagrams fragmented */
  157         u_quad_t ifs6_out_fragfail;     /* # of datagrams failed on fragment */
  158         u_quad_t ifs6_out_fragcreat;    /* # of fragment datagrams */
  159                                         /* NOTE: this is # after fragment */
  160         u_quad_t ifs6_reass_reqd;       /* # of incoming fragmented packets */
  161                                         /* NOTE: increment on final dst if */
  162         u_quad_t ifs6_reass_ok;         /* # of reassembled packets */
  163                                         /* NOTE: this is # after reass */
  164                                         /* NOTE: increment on final dst if */
  165         u_quad_t ifs6_reass_fail;       /* # of reass failures */
  166                                         /* NOTE: may not be packet count */
  167                                         /* NOTE: increment on final dst if */
  168         u_quad_t ifs6_in_mcast;         /* # of inbound multicast datagrams */
  169         u_quad_t ifs6_out_mcast;        /* # of outbound multicast datagrams */
  170 };
  171 
  172 /*
  173  * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
  174  * XXX: I'm not sure if this file is the right place for this structure...
  175  */
  176 struct icmp6_ifstat {
  177         /*
  178          * Input statistics
  179          */
  180         /* ipv6IfIcmpInMsgs, total # of input messages */
  181         u_quad_t ifs6_in_msg;
  182         /* ipv6IfIcmpInErrors, # of input error messages */
  183         u_quad_t ifs6_in_error;
  184         /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
  185         u_quad_t ifs6_in_dstunreach;
  186         /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
  187         u_quad_t ifs6_in_adminprohib;
  188         /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
  189         u_quad_t ifs6_in_timeexceed;
  190         /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
  191         u_quad_t ifs6_in_paramprob;
  192         /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
  193         u_quad_t ifs6_in_pkttoobig;
  194         /* ipv6IfIcmpInEchos, # of input echo requests */
  195         u_quad_t ifs6_in_echo;
  196         /* ipv6IfIcmpInEchoReplies, # of input echo replies */
  197         u_quad_t ifs6_in_echoreply;
  198         /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
  199         u_quad_t ifs6_in_routersolicit;
  200         /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
  201         u_quad_t ifs6_in_routeradvert;
  202         /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
  203         u_quad_t ifs6_in_neighborsolicit;
  204         /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
  205         u_quad_t ifs6_in_neighboradvert;
  206         /* ipv6IfIcmpInRedirects, # of input redirects */
  207         u_quad_t ifs6_in_redirect;
  208         /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
  209         u_quad_t ifs6_in_mldquery;
  210         /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
  211         u_quad_t ifs6_in_mldreport;
  212         /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
  213         u_quad_t ifs6_in_mlddone;
  214 
  215         /*
  216          * Output statistics. We should solve unresolved routing problem...
  217          */
  218         /* ipv6IfIcmpOutMsgs, total # of output messages */
  219         u_quad_t ifs6_out_msg;
  220         /* ipv6IfIcmpOutErrors, # of output error messages */
  221         u_quad_t ifs6_out_error;
  222         /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
  223         u_quad_t ifs6_out_dstunreach;
  224         /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
  225         u_quad_t ifs6_out_adminprohib;
  226         /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
  227         u_quad_t ifs6_out_timeexceed;
  228         /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
  229         u_quad_t ifs6_out_paramprob;
  230         /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
  231         u_quad_t ifs6_out_pkttoobig;
  232         /* ipv6IfIcmpOutEchos, # of output echo requests */
  233         u_quad_t ifs6_out_echo;
  234         /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
  235         u_quad_t ifs6_out_echoreply;
  236         /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
  237         u_quad_t ifs6_out_routersolicit;
  238         /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
  239         u_quad_t ifs6_out_routeradvert;
  240         /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
  241         u_quad_t ifs6_out_neighborsolicit;
  242         /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
  243         u_quad_t ifs6_out_neighboradvert;
  244         /* ipv6IfIcmpOutRedirects, # of output redirects */
  245         u_quad_t ifs6_out_redirect;
  246         /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
  247         u_quad_t ifs6_out_mldquery;
  248         /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
  249         u_quad_t ifs6_out_mldreport;
  250         /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
  251         u_quad_t ifs6_out_mlddone;
  252 };
  253 
  254 /*
  255  * If you make changes that change the size of in6_ifreq,
  256  * make sure you fix compat/netinet6/in6_var.h
  257  */
  258 struct  in6_ifreq {
  259         char    ifr_name[IFNAMSIZ];
  260         union {
  261                 struct  sockaddr_in6 ifru_addr;
  262                 struct  sockaddr_in6 ifru_dstaddr;
  263                 short   ifru_flags;
  264                 int     ifru_flags6;
  265                 int     ifru_metric;
  266                 void *  ifru_data;
  267                 struct in6_addrlifetime ifru_lifetime;
  268                 struct in6_ifstat ifru_stat;
  269                 struct icmp6_ifstat ifru_icmp6stat;
  270         } ifr_ifru;
  271 };
  272 
  273 struct  in6_aliasreq {
  274         char    ifra_name[IFNAMSIZ];
  275         struct  sockaddr_in6 ifra_addr;
  276         struct  sockaddr_in6 ifra_dstaddr;
  277         struct  sockaddr_in6 ifra_prefixmask;
  278         int     ifra_flags;
  279         struct in6_addrlifetime ifra_lifetime;
  280 };
  281 
  282 /* prefix type macro */
  283 #define IN6_PREFIX_ND   1
  284 #define IN6_PREFIX_RR   2
  285 
  286 /*
  287  * prefix related flags passed between kernel(NDP related part) and
  288  * user land command(ifconfig) and daemon(rtadvd).
  289  * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but
  290  * it was (probably unintentionally) used in nd6.h as well.  Since C++ does
  291  * not allow such a reference, prf_ra{} was then moved outside.  In general,
  292  * however, this structure should not be used directly.
  293  */
  294 struct prf_ra {
  295         u_int32_t onlink : 1;
  296         u_int32_t autonomous : 1;
  297         u_int32_t router : 1;
  298         u_int32_t reserved : 5;
  299 };
  300 
  301 struct in6_prflags {
  302         struct prf_ra prf_ra;
  303         u_char prf_reserved1;
  304         u_short prf_reserved2;
  305         /* want to put this on 4byte offset */
  306         struct prf_rr {
  307                 u_int32_t decrvalid : 1;
  308                 u_int32_t decrprefd : 1;
  309                 u_int32_t reserved : 6;
  310         } prf_rr;
  311         u_char prf_reserved3;
  312         u_short prf_reserved4;
  313 };
  314 
  315 struct  in6_prefixreq {
  316         char    ipr_name[IFNAMSIZ];
  317         u_char  ipr_origin;
  318         u_char  ipr_plen;
  319         u_int32_t ipr_vltime;
  320         u_int32_t ipr_pltime;
  321         struct in6_prflags ipr_flags;
  322         struct  sockaddr_in6 ipr_prefix;
  323 };
  324 
  325 #define PR_ORIG_RA      0
  326 #define PR_ORIG_RR      1
  327 #define PR_ORIG_STATIC  2
  328 #define PR_ORIG_KERNEL  3
  329 
  330 #define ipr_raf_onlink          ipr_flags.prf_ra.onlink
  331 #define ipr_raf_auto            ipr_flags.prf_ra.autonomous
  332 
  333 #define ipr_statef_onlink       ipr_flags.prf_state.onlink
  334 
  335 #define ipr_rrf_decrvalid       ipr_flags.prf_rr.decrvalid
  336 #define ipr_rrf_decrprefd       ipr_flags.prf_rr.decrprefd
  337 
  338 struct  in6_rrenumreq {
  339         char    irr_name[IFNAMSIZ];
  340         u_char  irr_origin;
  341         u_char  irr_m_len;      /* match len for matchprefix */
  342         u_char  irr_m_minlen;   /* minlen for matching prefix */
  343         u_char  irr_m_maxlen;   /* maxlen for matching prefix */
  344         u_char  irr_u_uselen;   /* uselen for adding prefix */
  345         u_char  irr_u_keeplen;  /* keeplen from matching prefix */
  346         struct irr_raflagmask {
  347                 u_int32_t onlink : 1;
  348                 u_int32_t autonomous : 1;
  349                 u_int32_t reserved : 6;
  350         } irr_raflagmask;
  351         u_int32_t irr_vltime;
  352         u_int32_t irr_pltime;
  353         struct in6_prflags irr_flags;
  354         struct  sockaddr_in6 irr_matchprefix;
  355         struct  sockaddr_in6 irr_useprefix;
  356 };
  357 
  358 #define irr_raf_mask_onlink     irr_raflagmask.onlink
  359 #define irr_raf_mask_auto       irr_raflagmask.autonomous
  360 #define irr_raf_mask_reserved   irr_raflagmask.reserved
  361 
  362 #define irr_raf_onlink          irr_flags.prf_ra.onlink
  363 #define irr_raf_auto            irr_flags.prf_ra.autonomous
  364 
  365 #define irr_statef_onlink       irr_flags.prf_state.onlink
  366 
  367 #define irr_rrf                 irr_flags.prf_rr
  368 #define irr_rrf_decrvalid       irr_flags.prf_rr.decrvalid
  369 #define irr_rrf_decrprefd       irr_flags.prf_rr.decrprefd
  370 
  371 /*
  372  * Given a pointer to an in6_ifaddr (ifaddr),
  373  * return a pointer to the addr as a sockaddr_in6
  374  */
  375 #define IA6_IN6(ia)     (&((ia)->ia_addr.sin6_addr))
  376 #define IA6_DSTIN6(ia)  (&((ia)->ia_dstaddr.sin6_addr))
  377 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
  378 #define IA6_SIN6(ia)    (&((ia)->ia_addr))
  379 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
  380 #define IFA_IN6(x)      (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
  381 #define IFA_DSTIN6(x)   (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
  382 
  383 #ifdef _KERNEL
  384 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m)      (       \
  385         (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
  386         (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
  387         (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
  388         (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
  389 #endif
  390 
  391 #define SIOCSIFADDR_IN6          _IOW('i', 12, struct in6_ifreq)
  392 #define SIOCGIFADDR_IN6         _IOWR('i', 33, struct in6_ifreq)
  393 
  394 #ifdef _KERNEL
  395 /*
  396  * SIOCSxxx ioctls should be unused (see comments in in6.c), but
  397  * we do not shift numbers for binary compatibility.
  398  */
  399 #define SIOCSIFDSTADDR_IN6       _IOW('i', 14, struct in6_ifreq)
  400 #define SIOCSIFNETMASK_IN6       _IOW('i', 22, struct in6_ifreq)
  401 #endif
  402 
  403 #define SIOCGIFDSTADDR_IN6      _IOWR('i', 34, struct in6_ifreq)
  404 #define SIOCGIFNETMASK_IN6      _IOWR('i', 37, struct in6_ifreq)
  405 
  406 #define SIOCDIFADDR_IN6          _IOW('i', 25, struct in6_ifreq)
  407 /* 26 was OSIOCAIFADDR_IN6 */
  408 
  409 /* 70 was OSIOCSIFPHYADDR_IN6 */
  410 #define SIOCGIFPSRCADDR_IN6     _IOWR('i', 71, struct in6_ifreq)
  411 #define SIOCGIFPDSTADDR_IN6     _IOWR('i', 72, struct in6_ifreq)
  412 
  413 #define SIOCGIFAFLAG_IN6        _IOWR('i', 73, struct in6_ifreq)
  414 
  415 #define SIOCGDRLST_IN6          _IOWR('i', 74, struct in6_drlist)
  416 #define SIOCGPRLST_IN6          _IOWR('i', 75, struct in6_oprlist)
  417 #ifdef _KERNEL
  418 #define OSIOCGIFINFO_IN6        _IOWR('i', 76, struct in6_ondireq)
  419 #endif
  420 #define SIOCSNDFLUSH_IN6        _IOWR('i', 77, struct in6_ifreq)
  421 #define SIOCGNBRINFO_IN6        _IOWR('i', 78, struct in6_nbrinfo)
  422 #define SIOCSPFXFLUSH_IN6       _IOWR('i', 79, struct in6_ifreq)
  423 #define SIOCSRTRFLUSH_IN6       _IOWR('i', 80, struct in6_ifreq)
  424 /* 81 was old SIOCGIFALIFETIME_IN6 */
  425 #if 0
  426 /* withdrawn - do not reuse number 82 */
  427 #define SIOCSIFALIFETIME_IN6    _IOWR('i', 82, struct in6_ifreq)
  428 #endif
  429 #define SIOCGIFSTAT_IN6         _IOWR('i', 83, struct in6_ifreq)
  430 #define SIOCGIFSTAT_ICMP6       _IOWR('i', 84, struct in6_ifreq)
  431 
  432 #define SIOCSDEFIFACE_IN6       _IOWR('i', 85, struct in6_ndifreq)
  433 #define SIOCGDEFIFACE_IN6       _IOWR('i', 86, struct in6_ndifreq)
  434 
  435 #define SIOCSIFINFO_FLAGS       _IOWR('i', 87, struct in6_ndireq) /* XXX */
  436 
  437 #define SIOCSIFPREFIX_IN6       _IOW('i', 100, struct in6_prefixreq) /* set */
  438 #define SIOCGIFPREFIX_IN6       _IOWR('i', 101, struct in6_prefixreq) /* get */
  439 #define SIOCDIFPREFIX_IN6       _IOW('i', 102, struct in6_prefixreq) /* del */
  440 #define SIOCAIFPREFIX_IN6       _IOW('i', 103, struct in6_rrenumreq) /* add */
  441 #define SIOCCIFPREFIX_IN6       _IOW('i', 104, \
  442                                      struct in6_rrenumreq) /* change */
  443 #define SIOCSGIFPREFIX_IN6      _IOW('i', 105, \
  444                                      struct in6_rrenumreq) /* set global */
  445 #define SIOCGIFALIFETIME_IN6    _IOWR('i', 106, struct in6_ifreq)
  446 #define SIOCAIFADDR_IN6         _IOW('i', 107, struct in6_aliasreq)
  447 #define SIOCGIFINFO_IN6         _IOWR('i', 108, struct in6_ndireq)
  448 #define SIOCSIFINFO_IN6         _IOWR('i', 109, struct in6_ndireq)
  449 #define SIOCSIFPHYADDR_IN6      _IOW('i', 110, struct in6_aliasreq)
  450 
  451 
  452 /* XXX: Someone decided to switch to 'u' here for unknown reasons! */
  453 #define SIOCGETSGCNT_IN6        _IOWR('u', 106, \
  454                                       struct sioc_sg_req6) /* get s,g pkt cnt */
  455 #define SIOCGETMIFCNT_IN6       _IOWR('u', 107, \
  456                                       struct sioc_mif_req6) /* get pkt cnt per if */
  457 #define SIOCAADDRCTL_POLICY     _IOW('u', 108, struct in6_addrpolicy)
  458 #define SIOCDADDRCTL_POLICY     _IOW('u', 109, struct in6_addrpolicy)
  459 
  460 #define IN6_IFF_ANYCAST         0x01    /* anycast address */
  461 #define IN6_IFF_TENTATIVE       0x02    /* tentative address */
  462 #define IN6_IFF_DUPLICATED      0x04    /* DAD detected duplicate */
  463 #define IN6_IFF_DETACHED        0x08    /* may be detached from the link */
  464 #define IN6_IFF_DEPRECATED      0x10    /* deprecated address */
  465 #define IN6_IFF_NODAD           0x20    /* don't perform DAD on this address
  466                                          * (used only at first SIOC* call)
  467                                          */
  468 #define IN6_IFF_AUTOCONF        0x40    /* autoconfigurable address. */
  469 #define IN6_IFF_TEMPORARY       0x80    /* temporary (anonymous) address. */
  470 
  471 /* do not input/output */
  472 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
  473 
  474 #ifdef _KERNEL
  475 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
  476 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
  477 #endif
  478 
  479 #ifdef _KERNEL
  480 MALLOC_DECLARE(M_IP6OPT);
  481 
  482 extern struct in6_ifaddr *in6_ifaddr;
  483 
  484 #define in6_ifstat_inc(ifp, tag) \
  485 do {                                                            \
  486         if (ifp)                                                \
  487                 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
  488 } while (/*CONSTCOND*/ 0)
  489 
  490 extern struct ifqueue ip6intrq;         /* IP6 packet input queue */
  491 extern const struct in6_addr zeroin6_addr;
  492 extern const u_char inet6ctlerrmap[];
  493 extern unsigned long in6_maxmtu;
  494 
  495 /*
  496  * Macro for finding the internet address structure (in6_ifaddr) corresponding
  497  * to a given interface (ifnet structure).
  498  */
  499 static inline struct in6_ifaddr *
  500 ifp_to_ia6(struct ifnet *ifp)
  501 {
  502         struct ifaddr *ifa;
  503 
  504         IFADDR_FOREACH(ifa, ifp) {
  505                 if (ifa->ifa_addr == NULL)
  506                         continue;
  507                 if (ifa->ifa_addr->sa_family == AF_INET6)
  508                         break;
  509         }
  510         return (struct in6_ifaddr *)ifa;
  511 }
  512 
  513 #define IFP_TO_IA6(__ifp, __ia)                         \
  514 do {                                                    \
  515         (__ia) = ifp_to_ia6((__ifp));                           \
  516 } while (/*CONSTCOND*/0)
  517 
  518 
  519 #endif /* _KERNEL */
  520 
  521 /*
  522  * Multi-cast membership entry.  One for each group/ifp that a PCB
  523  * belongs to.
  524  */
  525 struct in6_multi_mship {
  526         struct  in6_multi *i6mm_maddr;  /* Multicast address pointer */
  527         LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
  528 };
  529 
  530 struct  in6_multi {
  531         LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
  532         struct  in6_addr in6m_addr;     /* IP6 multicast address */
  533         struct  ifnet *in6m_ifp;        /* back pointer to ifnet */
  534         struct  in6_ifaddr *in6m_ia;    /* back pointer to in6_ifaddr */
  535         u_int   in6m_refcount;          /* # membership claims by sockets */
  536         u_int   in6m_state;             /* state of the membership */
  537         int     in6m_timer;             /* delay to send the 1st report */
  538         struct timeval in6m_timer_expire; /* when the timer expires */
  539         callout_t in6m_timer_ch;
  540 };
  541  
  542 #define IN6M_TIMER_UNDEF -1
  543 
  544 
  545 #ifdef _KERNEL
  546 /* flags to in6_update_ifa */
  547 #define IN6_IFAUPDATE_DADDELAY  0x1 /* first time to configure an address */
  548 
  549 /*
  550  * Structure used by macros below to remember position when stepping through
  551  * all of the in6_multi records.
  552  */
  553 struct  in6_multistep {
  554         struct  in6_ifaddr *i_ia;
  555         struct  in6_multi *i_in6m;
  556 };
  557 
  558 /*
  559  * Macros for looking up the in6_multi record for a given IP6 multicast
  560  * address on a given interface. If no matching record is found, "in6m"
  561  * returns NULL.
  562  */
  563 
  564 static inline struct in6_multi *
  565 in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp)
  566 {
  567         struct in6_multi *in6m;
  568         struct in6_ifaddr *ia;
  569 
  570         if ((ia = ifp_to_ia6(ifp)) == NULL)
  571                 return NULL;
  572         LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) {
  573                 if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr))
  574                         break;
  575         }
  576         return in6m;
  577 }
  578 
  579 #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m)                 \
  580 /* struct in6_addr __addr; */                                   \
  581 /* struct ifnet *__ifp; */                                      \
  582 /* struct in6_multi *__in6m; */                                 \
  583 do {                                                            \
  584         (__in6m) = in6_lookup_multi(&(__addr), (__ifp));        \
  585 } while (/*CONSTCOND*/ 0)
  586 
  587 /*
  588  * Macro to step through all of the in6_multi records, one at a time.
  589  * The current position is remembered in "step", which the caller must
  590  * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
  591  * and get the first record.  Both macros return a NULL "in6m" when there
  592  * are no remaining records.
  593  */
  594 static inline struct in6_multi *
  595 in6_next_multi(struct in6_multistep *step)
  596 {
  597         struct in6_multi *in6m;
  598 
  599         if ((in6m = step->i_in6m) != NULL) {
  600                 step->i_in6m = LIST_NEXT(in6m, in6m_entry);
  601                 return in6m;
  602         }
  603         while (step->i_ia != NULL) {
  604                 in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs);
  605                 step->i_ia = step->i_ia->ia_next;
  606                 if (in6m != NULL) {
  607                         step->i_in6m = LIST_NEXT(in6m, in6m_entry);
  608                         break;
  609                 }
  610         }
  611         return in6m;
  612 }
  613 
  614 static inline struct in6_multi *
  615 in6_first_multi(struct in6_multistep *step)
  616 {                                               
  617         step->i_ia = in6_ifaddr;                
  618         step->i_in6m = NULL;                    
  619         return in6_next_multi(step);            
  620 }
  621 
  622 #define IN6_NEXT_MULTI(__step, __in6m)          \
  623 /* struct in6_multistep __step; */              \
  624 /* struct in6_multi *__in6m; */                 \
  625 do {                                            \
  626         (__in6m) = in6_next_multi(&(__step));   \
  627 } while (/*CONSTCOND*/ 0)
  628 
  629 #define IN6_FIRST_MULTI(__step, __in6m)         \
  630 /* struct in6_multistep __step; */              \
  631 /* struct in6_multi *__in6m */                  \
  632 do {                                            \
  633         (__in6m) = in6_first_multi(&(__step));  \
  634 } while (/*CONSTCOND*/ 0)
  635 
  636 
  637 #if 0
  638 /*
  639  * Macros for looking up the in6_multi_mship record for a given IP6 multicast
  640  * address on a given interface. If no matching record is found, "imm"
  641  * returns NULL.
  642  */
  643 static inline struct in6_multi_mship *
  644 in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp,
  645     struct ip6_moptions *imop)
  646 {
  647         struct in6_multi_mship *imm;
  648 
  649         LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) {
  650                 if (imm->i6mm_maddr->in6m_ifp != ifp)
  651                         continue;
  652                 if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr,
  653                     addr))
  654                         break;
  655         }
  656         return imm;
  657 }
  658 
  659 #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm)                  \
  660 /* struct in6_addr __addr; */                                           \
  661 /* struct ifnet *__ifp; */                                              \
  662 /* struct ip6_moptions *__imop */                                       \
  663 /* struct in6_multi_mship *__imm; */                                    \
  664 do {                                                                    \
  665         (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop));       \
  666 } while (/*CONSTCOND*/ 0)
  667 #endif
  668 
  669 struct  in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *,
  670         int *, int);
  671 void    in6_delmulti(struct in6_multi *);
  672 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *,
  673         int *, int);
  674 int     in6_leavegroup(struct in6_multi_mship *);
  675 int     in6_mask2len(struct in6_addr *, u_char *);
  676 int     in6_control(struct socket *, u_long, void *, struct ifnet *,
  677         struct lwp *);
  678 int     in6_update_ifa(struct ifnet *, struct in6_aliasreq *,
  679         struct in6_ifaddr *, int);
  680 void    in6_purgeaddr(struct ifaddr *);
  681 int     in6if_do_dad(struct ifnet *);
  682 void    in6_purgeif(struct ifnet *);
  683 void    in6_savemkludge(struct in6_ifaddr *);
  684 void    in6_setmaxmtu  (void);
  685 int     in6_if2idlen  (struct ifnet *);
  686 void    *in6_domifattach(struct ifnet *);
  687 void    in6_domifdetach(struct ifnet *, void *);
  688 void    in6_restoremkludge(struct in6_ifaddr *, struct ifnet *);
  689 void    in6_ifremloop(struct ifaddr *);
  690 void    in6_ifaddloop(struct ifaddr *);
  691 void    in6_createmkludge(struct ifnet *);
  692 void    in6_purgemkludge(struct ifnet *);
  693 struct in6_ifaddr *in6ifa_ifpforlinklocal(const struct ifnet *, int);
  694 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *,
  695     const struct in6_addr *);
  696 struct in6_ifaddr *in6ifa_ifpwithaddr(const struct ifnet *,
  697     const struct in6_addr *);
  698 char    *ip6_sprintf(const struct in6_addr *);
  699 int     in6_matchlen(struct in6_addr *, struct in6_addr *);
  700 int     in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int);
  701 void    in6_prefixlen2mask(struct in6_addr *, int);
  702 void    in6_purgeprefix(struct ifnet *);
  703 
  704 int     ip6flow_fastforward(struct mbuf *); /* IPv6 fast forward routine */
  705 
  706 int in6_src_ioctl(u_long, void *);
  707 int     in6_is_addr_deprecated(struct sockaddr_in6 *);
  708 struct in6pcb;
  709 #endif /* _KERNEL */
  710 
  711 #endif /* !_NETINET6_IN6_VAR_H_ */

Cache object: 44767190ec4d96af2ad7c35827d1a727


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.