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 /*      $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $    */
    2 /*      $DragonFly: src/sys/netinet6/in6_var.h,v 1.10 2008/10/03 07:59:20 hasso Exp $   */
    3 /*      $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $        */
    4 
    5 /*
    6  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
    7  * All rights reserved.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  * 3. Neither the name of the project nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  */
   33 
   34 /*
   35  * Copyright (c) 1985, 1986, 1993
   36  *      The Regents of the University of California.  All rights reserved.
   37  *
   38  * Redistribution and use in source and binary forms, with or without
   39  * modification, are permitted provided that the following conditions
   40  * are met:
   41  * 1. Redistributions of source code must retain the above copyright
   42  *    notice, this list of conditions and the following disclaimer.
   43  * 2. Redistributions in binary form must reproduce the above copyright
   44  *    notice, this list of conditions and the following disclaimer in the
   45  *    documentation and/or other materials provided with the distribution.
   46  * 3. All advertising materials mentioning features or use of this software
   47  *    must display the following acknowledgement:
   48  *      This product includes software developed by the University of
   49  *      California, Berkeley and its contributors.
   50  * 4. Neither the name of the University nor the names of its contributors
   51  *    may be used to endorse or promote products derived from this software
   52  *    without specific prior written permission.
   53  *
   54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   64  * SUCH DAMAGE.
   65  *
   66  *      @(#)in_var.h    8.1 (Berkeley) 6/10/93
   67  */
   68 
   69 #ifndef _NETINET6_IN6_VAR_H_
   70 #define _NETINET6_IN6_VAR_H_
   71 
   72 #ifndef _SYS_TYPES_H_
   73 #include <sys/types.h>
   74 #endif
   75 #ifndef _SYS_IOCCOM_H_
   76 #include <sys/ioccom.h>
   77 #endif
   78 #ifndef _SYS_TIME_H_
   79 #include <sys/time.h>
   80 #endif
   81 #ifndef _NET_IF_VAR_H_
   82 #include <net/if_var.h>
   83 #endif
   84 #ifndef _NETINET_IN_H_
   85 #include <netinet/in.h>
   86 #endif
   87 
   88 /*
   89  * Interface address, Internet version.  One of these structures
   90  * is allocated for each interface with an Internet address.
   91  * The ifaddr structure contains the protocol-independent part
   92  * of the structure and is assumed to be first.
   93  */
   94 
   95 /*
   96  * pltime/vltime are just for future reference (required to implements 2
   97  * hour rule for hosts).  they should never be modified by nd6_timeout or
   98  * anywhere else.
   99  *      userland -> kernel: accept pltime/vltime
  100  *      kernel -> userland: throw up everything
  101  *      in kernel: modify preferred/expire only
  102  */
  103 struct in6_addrlifetime {
  104         time_t ia6t_expire;     /* valid lifetime expiration time */
  105         time_t ia6t_preferred;  /* preferred lifetime expiration time */
  106         u_int32_t ia6t_vltime;  /* valid lifetime */
  107         u_int32_t ia6t_pltime;  /* prefix lifetime */
  108 };
  109 
  110 struct nd_ifinfo;
  111 struct scope6_id;
  112 
  113 struct in6_ifextra {
  114         struct in6_ifstat *in6_ifstat;
  115         struct icmp6_ifstat *icmp6_ifstat;
  116         struct nd_ifinfo *nd_ifinfo;
  117         struct scope6_id *scope6_id;
  118 };
  119 
  120 struct  in6_ifaddr {
  121         struct  ifaddr ia_ifa;          /* protocol-independent info */
  122 #define ia_ifp          ia_ifa.ifa_ifp
  123 #define ia_flags        ia_ifa.ifa_flags
  124         struct  sockaddr_in6 ia_addr;   /* interface address */
  125         struct  sockaddr_in6 ia_net;    /* network number of interface */
  126         struct  sockaddr_in6 ia_dstaddr; /* space for destination addr */
  127         struct  sockaddr_in6 ia_prefixmask; /* prefix mask */
  128         u_int32_t ia_plen;              /* prefix length */
  129         struct  in6_ifaddr *ia_next;    /* next in6 list of IP6 addresses */
  130         int     ia6_flags;
  131 
  132         struct in6_addrlifetime ia6_lifetime;
  133         struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
  134 
  135         struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix
  136                                      * (for autoconfigured addresses only)
  137                                      */
  138 };
  139 
  140 /* control structure to manage address selection policy */
  141 struct in6_addrpolicy {
  142         struct sockaddr_in6 addr; /* prefix address */
  143         struct sockaddr_in6 addrmask; /* prefix mask */
  144         int preced;             /* precedence */
  145         int label;              /* matching label */
  146         u_quad_t use;           /* statistics */
  147 };
  148 
  149 /*
  150  * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
  151  */
  152 struct in6_ifstat {
  153         u_quad_t ifs6_in_receive;       /* # of total input datagram */
  154         u_quad_t ifs6_in_hdrerr;        /* # of datagrams with invalid hdr */
  155         u_quad_t ifs6_in_toobig;        /* # of datagrams exceeded MTU */
  156         u_quad_t ifs6_in_noroute;       /* # of datagrams with no route */
  157         u_quad_t ifs6_in_addrerr;       /* # of datagrams with invalid dst */
  158         u_quad_t ifs6_in_protounknown;  /* # of datagrams with unknown proto */
  159                                         /* NOTE: increment on final dst if */
  160         u_quad_t ifs6_in_truncated;     /* # of truncated datagrams */
  161         u_quad_t ifs6_in_discard;       /* # of discarded datagrams */
  162                                         /* NOTE: fragment timeout is not here */
  163         u_quad_t ifs6_in_deliver;       /* # of datagrams delivered to ULP */
  164                                         /* NOTE: increment on final dst if */
  165         u_quad_t ifs6_out_forward;      /* # of datagrams forwarded */
  166                                         /* NOTE: increment on outgoing if */
  167         u_quad_t ifs6_out_request;      /* # of outgoing datagrams from ULP */
  168                                         /* NOTE: does not include forwrads */
  169         u_quad_t ifs6_out_discard;      /* # of discarded datagrams */
  170         u_quad_t ifs6_out_fragok;       /* # of datagrams fragmented */
  171         u_quad_t ifs6_out_fragfail;     /* # of datagrams failed on fragment */
  172         u_quad_t ifs6_out_fragcreat;    /* # of fragment datagrams */
  173                                         /* NOTE: this is # after fragment */
  174         u_quad_t ifs6_reass_reqd;       /* # of incoming fragmented packets */
  175                                         /* NOTE: increment on final dst if */
  176         u_quad_t ifs6_reass_ok;         /* # of reassembled packets */
  177                                         /* NOTE: this is # after reass */
  178                                         /* NOTE: increment on final dst if */
  179         u_quad_t ifs6_reass_fail;       /* # of reass failures */
  180                                         /* NOTE: may not be packet count */
  181                                         /* NOTE: increment on final dst if */
  182         u_quad_t ifs6_in_mcast;         /* # of inbound multicast datagrams */
  183         u_quad_t ifs6_out_mcast;        /* # of outbound multicast datagrams */
  184 };
  185 
  186 /*
  187  * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
  188  * XXX: I'm not sure if this file is the right place for this structure...
  189  */
  190 struct icmp6_ifstat {
  191         /*
  192          * Input statistics
  193          */
  194         /* ipv6IfIcmpInMsgs, total # of input messages */
  195         u_quad_t ifs6_in_msg;
  196         /* ipv6IfIcmpInErrors, # of input error messages */
  197         u_quad_t ifs6_in_error;
  198         /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
  199         u_quad_t ifs6_in_dstunreach;
  200         /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
  201         u_quad_t ifs6_in_adminprohib;
  202         /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
  203         u_quad_t ifs6_in_timeexceed;
  204         /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
  205         u_quad_t ifs6_in_paramprob;
  206         /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
  207         u_quad_t ifs6_in_pkttoobig;
  208         /* ipv6IfIcmpInEchos, # of input echo requests */
  209         u_quad_t ifs6_in_echo;
  210         /* ipv6IfIcmpInEchoReplies, # of input echo replies */
  211         u_quad_t ifs6_in_echoreply;
  212         /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
  213         u_quad_t ifs6_in_routersolicit;
  214         /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
  215         u_quad_t ifs6_in_routeradvert;
  216         /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
  217         u_quad_t ifs6_in_neighborsolicit;
  218         /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
  219         u_quad_t ifs6_in_neighboradvert;
  220         /* ipv6IfIcmpInRedirects, # of input redirects */
  221         u_quad_t ifs6_in_redirect;
  222         /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
  223         u_quad_t ifs6_in_mldquery;
  224         /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
  225         u_quad_t ifs6_in_mldreport;
  226         /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
  227         u_quad_t ifs6_in_mlddone;
  228 
  229         /*
  230          * Output statistics. We should solve unresolved routing problem...
  231          */
  232         /* ipv6IfIcmpOutMsgs, total # of output messages */
  233         u_quad_t ifs6_out_msg;
  234         /* ipv6IfIcmpOutErrors, # of output error messages */
  235         u_quad_t ifs6_out_error;
  236         /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
  237         u_quad_t ifs6_out_dstunreach;
  238         /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
  239         u_quad_t ifs6_out_adminprohib;
  240         /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
  241         u_quad_t ifs6_out_timeexceed;
  242         /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
  243         u_quad_t ifs6_out_paramprob;
  244         /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
  245         u_quad_t ifs6_out_pkttoobig;
  246         /* ipv6IfIcmpOutEchos, # of output echo requests */
  247         u_quad_t ifs6_out_echo;
  248         /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
  249         u_quad_t ifs6_out_echoreply;
  250         /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
  251         u_quad_t ifs6_out_routersolicit;
  252         /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
  253         u_quad_t ifs6_out_routeradvert;
  254         /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
  255         u_quad_t ifs6_out_neighborsolicit;
  256         /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
  257         u_quad_t ifs6_out_neighboradvert;
  258         /* ipv6IfIcmpOutRedirects, # of output redirects */
  259         u_quad_t ifs6_out_redirect;
  260         /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
  261         u_quad_t ifs6_out_mldquery;
  262         /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
  263         u_quad_t ifs6_out_mldreport;
  264         /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
  265         u_quad_t ifs6_out_mlddone;
  266 };
  267 
  268 struct  in6_ifreq {
  269         char    ifr_name[IFNAMSIZ];
  270         union {
  271                 struct  sockaddr_in6 ifru_addr;
  272                 struct  sockaddr_in6 ifru_dstaddr;
  273                 short   ifru_flags;
  274                 int     ifru_flags6;
  275                 int     ifru_metric;
  276                 caddr_t ifru_data;
  277                 struct in6_addrlifetime ifru_lifetime;
  278                 struct in6_ifstat ifru_stat;
  279                 struct icmp6_ifstat ifru_icmp6stat;
  280                 u_int32_t ifru_scope_id[16];
  281         } ifr_ifru;
  282 };
  283 
  284 struct  in6_aliasreq {
  285         char    ifra_name[IFNAMSIZ];
  286         struct  sockaddr_in6 ifra_addr;
  287         struct  sockaddr_in6 ifra_dstaddr;
  288         struct  sockaddr_in6 ifra_prefixmask;
  289         int     ifra_flags;
  290         struct in6_addrlifetime ifra_lifetime;
  291 };
  292 
  293 /* prefix type macro */
  294 #define IN6_PREFIX_ND   1
  295 #define IN6_PREFIX_RR   2
  296 
  297 /*
  298  * prefix related flags passed between kernel(NDP related part) and
  299  * user land command(ifconfig) and daemon(rtadvd).
  300  */
  301 struct in6_prflags {
  302         struct prf_ra {
  303                 u_char onlink : 1;
  304                 u_char autonomous : 1;
  305                 u_char reserved : 6;
  306         } prf_ra;
  307         u_char prf_reserved1;
  308         u_short prf_reserved2;
  309         /* want to put this on 4byte offset */
  310         struct prf_rr {
  311                 u_char decrvalid : 1;
  312                 u_char decrprefd : 1;
  313                 u_char reserved : 6;
  314         } prf_rr;
  315         u_char prf_reserved3;
  316         u_short prf_reserved4;
  317 };
  318 
  319 struct  in6_prefixreq {
  320         char    ipr_name[IFNAMSIZ];
  321         u_char  ipr_origin;
  322         u_char  ipr_plen;
  323         u_int32_t ipr_vltime;
  324         u_int32_t ipr_pltime;
  325         struct in6_prflags ipr_flags;
  326         struct  sockaddr_in6 ipr_prefix;
  327 };
  328 
  329 #define PR_ORIG_RA      0
  330 #define PR_ORIG_RR      1
  331 #define PR_ORIG_STATIC  2
  332 #define PR_ORIG_KERNEL  3
  333 
  334 #define ipr_raf_onlink          ipr_flags.prf_ra.onlink
  335 #define ipr_raf_auto            ipr_flags.prf_ra.autonomous
  336 
  337 #define ipr_statef_onlink       ipr_flags.prf_state.onlink
  338 
  339 #define ipr_rrf_decrvalid       ipr_flags.prf_rr.decrvalid
  340 #define ipr_rrf_decrprefd       ipr_flags.prf_rr.decrprefd
  341 
  342 struct  in6_rrenumreq {
  343         char    irr_name[IFNAMSIZ];
  344         u_char  irr_origin;
  345         u_char  irr_m_len;      /* match len for matchprefix */
  346         u_char  irr_m_minlen;   /* minlen for matching prefix */
  347         u_char  irr_m_maxlen;   /* maxlen for matching prefix */
  348         u_char  irr_u_uselen;   /* uselen for adding prefix */
  349         u_char  irr_u_keeplen;  /* keeplen from matching prefix */
  350         struct irr_raflagmask {
  351                 u_char onlink : 1;
  352                 u_char autonomous : 1;
  353                 u_char reserved : 6;
  354         } irr_raflagmask;
  355         u_int32_t irr_vltime;
  356         u_int32_t irr_pltime;
  357         struct in6_prflags irr_flags;
  358         struct  sockaddr_in6 irr_matchprefix;
  359         struct  sockaddr_in6 irr_useprefix;
  360 };
  361 
  362 #define irr_raf_mask_onlink     irr_raflagmask.onlink
  363 #define irr_raf_mask_auto       irr_raflagmask.autonomous
  364 #define irr_raf_mask_reserved   irr_raflagmask.reserved
  365 
  366 #define irr_raf_onlink          irr_flags.prf_ra.onlink
  367 #define irr_raf_auto            irr_flags.prf_ra.autonomous
  368 
  369 #define irr_statef_onlink       irr_flags.prf_state.onlink
  370 
  371 #define irr_rrf                 irr_flags.prf_rr
  372 #define irr_rrf_decrvalid       irr_flags.prf_rr.decrvalid
  373 #define irr_rrf_decrprefd       irr_flags.prf_rr.decrprefd
  374 
  375 /*
  376  * Given a pointer to an in6_ifaddr (ifaddr),
  377  * return a pointer to the addr as a sockaddr_in6
  378  */
  379 #define IA6_IN6(ia)     (&((ia)->ia_addr.sin6_addr))
  380 #define IA6_DSTIN6(ia)  (&((ia)->ia_dstaddr.sin6_addr))
  381 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
  382 #define IA6_SIN6(ia)    (&((ia)->ia_addr))
  383 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
  384 #define IFA_IN6(x)      (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
  385 #define IFA_DSTIN6(x)   (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
  386 
  387 #define IFPR_IN6(x)     (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
  388 
  389 #ifdef _KERNEL
  390 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m)      (       \
  391         (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
  392         (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
  393         (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
  394         (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
  395 #endif
  396 
  397 #define SIOCSIFADDR_IN6          _IOW('i', 12, struct in6_ifreq)
  398 #define SIOCGIFADDR_IN6         _IOWR('i', 33, struct in6_ifreq)
  399 
  400 #ifdef _KERNEL
  401 /*
  402  * SIOCSxxx ioctls should be unused (see comments in in6.c), but
  403  * we do not shift numbers for binary compatibility.
  404  */
  405 #define SIOCSIFDSTADDR_IN6       _IOW('i', 14, struct in6_ifreq)
  406 #define SIOCSIFNETMASK_IN6       _IOW('i', 22, struct in6_ifreq)
  407 #endif
  408 
  409 #define SIOCGIFDSTADDR_IN6      _IOWR('i', 34, struct in6_ifreq)
  410 #define SIOCGIFNETMASK_IN6      _IOWR('i', 37, struct in6_ifreq)
  411 
  412 #define SIOCDIFADDR_IN6          _IOW('i', 25, struct in6_ifreq)
  413 #define SIOCAIFADDR_IN6          _IOW('i', 26, struct in6_aliasreq)
  414 
  415 #define SIOCSIFPHYADDR_IN6       _IOW('i', 70, struct in6_aliasreq)
  416 #define SIOCGIFPSRCADDR_IN6     _IOWR('i', 71, struct in6_ifreq)
  417 #define SIOCGIFPDSTADDR_IN6     _IOWR('i', 72, struct in6_ifreq)
  418 
  419 #define SIOCGIFAFLAG_IN6        _IOWR('i', 73, struct in6_ifreq)
  420 
  421 #define SIOCGDRLST_IN6          _IOWR('i', 74, struct in6_drlist)
  422 #define SIOCGPRLST_IN6          _IOWR('i', 75, struct in6_prlist)
  423 #ifdef _KERNEL
  424 #define OSIOCGIFINFO_IN6        _IOWR('i', 76, struct in6_ondireq)
  425 #endif
  426 #define SIOCGIFINFO_IN6         _IOWR('i', 108, struct in6_ndireq)
  427 #define SIOCSNDFLUSH_IN6        _IOWR('i', 77, struct in6_ifreq)
  428 #define SIOCGNBRINFO_IN6        _IOWR('i', 78, struct in6_nbrinfo)
  429 #define SIOCSPFXFLUSH_IN6       _IOWR('i', 79, struct in6_ifreq)
  430 #define SIOCSRTRFLUSH_IN6       _IOWR('i', 80, struct in6_ifreq)
  431 
  432 #define SIOCGIFALIFETIME_IN6    _IOWR('i', 81, struct in6_ifreq)
  433 #define SIOCSIFALIFETIME_IN6    _IOWR('i', 82, struct in6_ifreq)
  434 #define SIOCGIFSTAT_IN6         _IOWR('i', 83, struct in6_ifreq)
  435 #define SIOCGIFSTAT_ICMP6       _IOWR('i', 84, struct in6_ifreq)
  436 
  437 #define SIOCSDEFIFACE_IN6       _IOWR('i', 85, struct in6_ndifreq)
  438 #define SIOCGDEFIFACE_IN6       _IOWR('i', 86, struct in6_ndifreq)
  439 
  440 #define SIOCSIFINFO_FLAGS       _IOWR('i', 87, struct in6_ndireq) /* XXX */
  441 
  442 #define SIOCSSCOPE6             _IOW('i', 88, struct in6_ifreq)
  443 #define SIOCGSCOPE6             _IOWR('i', 89, struct in6_ifreq)
  444 #define SIOCGSCOPE6DEF          _IOWR('i', 90, struct in6_ifreq)
  445 
  446 #define SIOCSIFPREFIX_IN6       _IOW('i', 100, struct in6_prefixreq) /* set */
  447 #define SIOCGIFPREFIX_IN6       _IOWR('i', 101, struct in6_prefixreq) /* get */
  448 #define SIOCDIFPREFIX_IN6       _IOW('i', 102, struct in6_prefixreq) /* del */
  449 #define SIOCAIFPREFIX_IN6       _IOW('i', 103, struct in6_rrenumreq) /* add */
  450 #define SIOCCIFPREFIX_IN6       _IOW('i', 104, \
  451                                      struct in6_rrenumreq) /* change */
  452 #define SIOCSGIFPREFIX_IN6      _IOW('i', 105, \
  453                                      struct in6_rrenumreq) /* set global */
  454 
  455 #define SIOCGETSGCNT_IN6        _IOWR('u', 106, \
  456                                       struct sioc_sg_req6) /* get s,g pkt cnt */
  457 #define SIOCGETMIFCNT_IN6       _IOWR('u', 107, \
  458                                       struct sioc_mif_req6) /* get pkt cnt per if */
  459 
  460 #define SIOCAADDRCTL_POLICY     _IOW('u', 108, struct in6_addrpolicy)
  461 #define SIOCDADDRCTL_POLICY     _IOW('u', 109, struct in6_addrpolicy)
  462 
  463 #define IN6_IFF_ANYCAST         0x01    /* anycast address */
  464 #define IN6_IFF_TENTATIVE       0x02    /* tentative address */
  465 #define IN6_IFF_DUPLICATED      0x04    /* DAD detected duplicate */
  466 #define IN6_IFF_DETACHED        0x08    /* may be detached from the link */
  467 #define IN6_IFF_DEPRECATED      0x10    /* deprecated address */
  468 #define IN6_IFF_NODAD           0x20    /* don't perform DAD on this address
  469                                          * (used only at first SIOC* call)
  470                                          */
  471 #define IN6_IFF_AUTOCONF        0x40    /* autoconfigurable address. */
  472 #define IN6_IFF_TEMPORARY       0x80    /* temporary (anonymous) address. */
  473 #define IN6_IFF_NOPFX           0x8000  /* skip kernel prefix management.
  474                                          * XXX: this should be temporary.
  475                                          */
  476 
  477 /* do not input/output */
  478 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
  479 
  480 #ifdef _KERNEL
  481 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
  482 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
  483 #endif
  484 
  485 #ifdef _KERNEL
  486 extern struct in6_ifaddr *in6_ifaddr;
  487 
  488 extern struct icmp6stat icmp6stat;
  489 #define in6_ifstat_inc(ifp, tag) \
  490 do {                                                                    \
  491         struct in6_ifextra *xtra;                                       \
  492         if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL)       \
  493                 xtra->in6_ifstat->tag++;                                \
  494 } while (0)
  495 
  496 extern struct ifqueue ip6intrq;         /* IP6 packet input queue */
  497 extern struct in6_addr zeroin6_addr;
  498 extern u_char inet6ctlerrmap[];
  499 extern unsigned long in6_maxmtu;
  500 #ifdef MALLOC_DECLARE
  501 MALLOC_DECLARE(M_IPMADDR);
  502 #endif
  503 
  504 /*
  505  * Macro for finding the internet address structure (in6_ifaddr) corresponding
  506  * to a given interface (ifnet structure).
  507  */
  508 
  509 #define IFP_TO_IA6(ifp, ia)                             \
  510 /* struct ifnet *ifp; */                                \
  511 /* struct in6_ifaddr *ia; */                            \
  512 do {                                                                    \
  513         struct ifaddr_container *ifac;                                  \
  514         TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) {  \
  515                 if (!ifac->ifa->ifa_addr)                               \
  516                         continue;                                       \
  517                 if (ifac->ifa->ifa_addr->sa_family == AF_INET6)         \
  518                         break;                                          \
  519         }                                                               \
  520         (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa);  \
  521 } while (0)
  522 
  523 #endif /* _KERNEL */
  524 
  525 /*
  526  * Multi-cast membership entry.  One for each group/ifp that a PCB
  527  * belongs to.
  528  */
  529 struct in6_multi_mship {
  530         struct  in6_multi *i6mm_maddr;  /* Multicast address pointer */
  531         LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
  532 };
  533 
  534 struct  in6_multi {
  535         LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
  536         struct  in6_addr in6m_addr;     /* IP6 multicast address */
  537         struct  ifnet *in6m_ifp;        /* back pointer to ifnet */
  538         struct  ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
  539         u_int   in6m_refcount;          /* # membership claims by sockets */
  540         u_int   in6m_state;             /* state of the membership */
  541         u_int   in6m_timer;             /* MLD6 listener report timer */
  542 };
  543 
  544 #ifdef _KERNEL
  545 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
  546 
  547 /*
  548  * Structure used by macros below to remember position when stepping through
  549  * all of the in6_multi records.
  550  */
  551 struct  in6_multistep {
  552         struct  in6_ifaddr *i_ia;
  553         struct  in6_multi *i_in6m;
  554 };
  555 
  556 /*
  557  * Macros for looking up the in6_multi record for a given IP6 multicast
  558  * address on a given interface. If no matching record is found, "in6m"
  559  * returns NLL.
  560  */
  561 
  562 #define IN6_LOOKUP_MULTI(addr, ifp, in6m)                       \
  563 /* struct in6_addr addr; */                                     \
  564 /* struct ifnet *ifp; */                                        \
  565 /* struct in6_multi *in6m; */                                   \
  566 do { \
  567         struct ifmultiaddr *ifma; \
  568         TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { \
  569                 if (ifma->ifma_addr->sa_family == AF_INET6 \
  570                     && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
  571                                           &(addr))) \
  572                         break; \
  573         } \
  574         (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
  575 } while(0)
  576 
  577 /*
  578  * Macro to step through all of the in6_multi records, one at a time.
  579  * The current position is remembered in "step", which the caller must
  580  * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
  581  * and get the first record.  Both macros return a NULL "in6m" when there
  582  * are no remaining records.
  583  */
  584 #define IN6_NEXT_MULTI(step, in6m)                                      \
  585 /* struct in6_multistep step; */                                        \
  586 /* struct in6_multi *in6m; */                                           \
  587 do { \
  588         if (((in6m) = (step).i_in6m) != NULL) \
  589                 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
  590 } while(0)
  591 
  592 #define IN6_FIRST_MULTI(step, in6m)             \
  593 /* struct in6_multistep step; */                \
  594 /* struct in6_multi *in6m */                    \
  595 do { \
  596         (step).i_in6m = in6_multihead.lh_first; \
  597                 IN6_NEXT_MULTI((step), (in6m)); \
  598 } while(0)
  599 
  600 struct  in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *,
  601                                      int *);
  602 void    in6_delmulti (struct in6_multi *);
  603 struct  in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
  604 int     in6_leavegroup(struct in6_multi_mship *);
  605 
  606 extern int in6_ifindex2scopeid (int);
  607 extern int in6_mask2len (struct in6_addr *, u_char *);
  608 extern void in6_len2mask (struct in6_addr *, int);
  609 void    in6_control_dispatch(netmsg_t msg);
  610 int     in6_control (struct socket *,
  611                         u_long, caddr_t, struct ifnet *, struct thread *);
  612 int     in6_update_ifa (struct ifnet *, struct in6_aliasreq *,
  613                         struct in6_ifaddr *);
  614 void    in6_purgeaddr (struct ifaddr *);
  615 int     in6if_do_dad (struct ifnet *);
  616 void    in6_purgeif (struct ifnet *);
  617 void    in6_savemkludge (struct in6_ifaddr *);
  618 void    *in6_domifattach (struct ifnet *);
  619 void    in6_domifdetach (struct ifnet *, void *);
  620 void    in6_setmaxmtu   (void);
  621 void    in6_restoremkludge (struct in6_ifaddr *, struct ifnet *);
  622 void    in6_purgemkludge (struct ifnet *);
  623 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int);
  624 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *,
  625                                              struct in6_addr *);
  626 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *,
  627                                         const struct in6_addr *);
  628 char    *ip6_sprintf (const struct in6_addr *);
  629 int     in6_addr2scopeid (struct ifnet *, struct in6_addr *);
  630 int     in6_matchlen (struct in6_addr *, struct in6_addr *);
  631 int     in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2,
  632                                   int len);
  633 void    in6_prefixlen2mask (struct in6_addr *maskp, int len);
  634 int     in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data,
  635                               struct ifnet *ifp);
  636 int     in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia);
  637 void    in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia);
  638 void    in6_purgeprefix (struct ifnet *);
  639 void    in6_ifremloop(struct ifaddr *);
  640 void    in6_ifaddloop(struct ifaddr *);
  641 
  642 int     in6_is_addr_deprecated (struct sockaddr_in6 *);
  643 struct inpcb;
  644 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *,
  645         struct inpcb *, struct ifnet **);
  646 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *,
  647         struct ifnet *);
  648 void in6_clearscope (struct in6_addr *);
  649 int in6_src_ioctl (u_long, caddr_t);
  650 #endif /* _KERNEL */
  651 
  652 #endif /* _NETINET6_IN6_VAR_H_ */

Cache object: 3b99ec6a27e970b5b55ec818125d434c


[ 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.