sys/netinet6/scope6_var.h

   1 /*      $FreeBSD: src/sys/netinet6/scope6_var.h,v 1.1.2.1 2000/07/15 07:14:38 kris Exp $        */
   2 /*      $DragonFly: src/sys/netinet6/scope6_var.h,v 1.7 2007/08/16 20:03:58 dillon Exp $        */
   3 /*      $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $      */
   4
   5 /*
   6  * Copyright (C) 2000 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_SCOPE6_VAR_H_
  35 #define _NETINET6_SCOPE6_VAR_H_
  36
  37 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
  38
  39 #ifndef _SYS_TYPES_H_
  40 #include <sys/types.h>
  41 #endif
  42
  43 struct scope6_id {
  44         /*
  45          * 16 is correspondent to 4bit multicast scope field.
  46          * i.e. from node-local to global with some reserved/unassigned types.
  47          */
  48         u_int32_t s6id_list[16];
  49 };
  50
  51 #endif
  52
  53 #ifdef _KERNEL
  54
  55 struct ifnet;
  56 struct in6_addr;
  57 struct scope6_id;
  58
  59 void    scope6_init (void);
  60 struct scope6_id *scope6_ifattach (struct ifnet *);
  61 void    scope6_ifdetach (struct scope6_id *);
  62 int     scope6_set (struct ifnet *, struct scope6_id *);
  63 int     scope6_get (struct ifnet *, struct scope6_id *);
  64 void    scope6_setdefault (struct ifnet *);
  65 int     scope6_get_default (struct scope6_id *);
  66 u_int32_t scope6_in6_addrscope (struct in6_addr *);
  67 u_int32_t scope6_addr2default (struct in6_addr *);
  68 int     in6_setscope __P((struct in6_addr *, struct ifnet *, u_int32_t *));
  69
  70 #endif /* _KERNEL */
  71
  72 #endif /* _NETINET6_SCOPE6_VAR_H_ */