sys/netinet6/in6_prefix.h

   1 /*      $FreeBSD: src/sys/netinet6/in6_prefix.h,v 1.1.2.2 2001/07/03 11:01:52 ume Exp $ */
   2 /*      $DragonFly: src/sys/netinet6/in6_prefix.h,v 1.4 2006/05/20 02:42:12 dillon Exp $        */
   3 /*      $KAME: in6_prefix.h,v 1.10 2001/02/08 16:30:30 itojun Exp $     */
   4
   5 /*
   6  * Copyright (C) 1995, 1996, 1997, 1998 and 1999 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 #ifndef NETINET6_IN6_PREFIX_H_
  35 #define NETINET6_IN6_PREFIX_H_
  36
  37 #ifndef _SYS_CALLOUT_H_
  38 #include <sys/callout.h>
  39 #endif
  40 #ifndef _SYS_QUEUE_H_
  41 #include <sys/queue.h>
  42 #endif
  43 #ifndef _NET_IF_VAR_H_
  44 #include <net/if_var.h>
  45 #endif
  46 #ifndef _NETINET_IN_H_
  47 #include <netinet/in.h>
  48 #endif
  49 #ifndef _NETINET6_IN6_VAR_H_
  50 #include <netinet6/in6_var.h>
  51 #endif
  52
  53 struct rr_prefix {
  54         struct ifprefix rp_ifpr;
  55         LIST_ENTRY(rr_prefix) rp_entry;
  56         LIST_HEAD(rp_addrhead, rp_addr) rp_addrhead;
  57         struct sockaddr_in6 rp_prefix;  /* prefix */
  58         u_int32_t rp_vltime;    /* advertised valid lifetime */
  59         u_int32_t rp_pltime;    /* advertised preferred lifetime */
  60         time_t rp_expire;       /* expiration time of the prefix */
  61         time_t rp_preferred;    /* preferred time of the prefix */
  62         struct in6_prflags rp_flags;
  63         u_char  rp_origin; /* from where this prefix info is obtained */
  64         struct  rp_stateflags {
  65                 /* if some prefix should be added to this prefix */
  66                 u_char addmark : 1;
  67                 u_char delmark : 1; /* if this prefix will be deleted */
  68         } rp_stateflags;
  69 };
  70
  71 #define rp_type         rp_ifpr.ifpr_type
  72 #define rp_ifp          rp_ifpr.ifpr_ifp
  73 #define rp_plen         rp_ifpr.ifpr_plen
  74
  75 #define rp_raf          rp_flags.prf_ra
  76 #define rp_raf_onlink           rp_flags.prf_ra.onlink
  77 #define rp_raf_auto             rp_flags.prf_ra.autonomous
  78
  79 #define rp_statef_addmark       rp_stateflags.addmark
  80 #define rp_statef_delmark       rp_stateflags.delmark
  81
  82 #define rp_rrf          rp_flags.prf_rr
  83 #define rp_rrf_decrvalid        rp_flags.prf_rr.decrvalid
  84 #define rp_rrf_decrprefd        rp_flags.prf_rr.decrprefd
  85
  86 struct rp_addr {
  87         LIST_ENTRY(rp_addr)     ra_entry;
  88         struct in6_addr         ra_ifid;
  89         struct in6_ifaddr       *ra_addr;
  90         struct ra_flags {
  91                 u_char anycast : 1;
  92         } ra_flags;
  93 };
  94
  95 #define ifpr2rp(ifpr)   ((struct rr_prefix *)(ifpr))
  96 #define rp2ifpr(rp)     ((struct ifprefix *)(rp))
  97
  98 #define RP_IN6(rp)      (&(rp)->rp_prefix.sin6_addr)
  99
 100 #define RR_INFINITE_LIFETIME            0xffffffff
 101
 102
 103 LIST_HEAD(rr_prhead, rr_prefix);
 104
 105 extern struct rr_prhead rr_prefix;
 106
 107 void in6_rr_timer (void *);
 108 extern struct callout in6_rr_timer_ch;
 109 int delete_each_prefix  (struct rr_prefix *rpp, u_char origin);
 110
 111 #endif