sys/netinet6/scope6_var.h

   1 /*      $FreeBSD: src/sys/netinet6/scope6_var.h,v 1.4 2005/01/07 02:30:35 imp Exp $     */
   2 /*      $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $      */
   3
   4 /*-
   5  * Copyright (C) 2000 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 #ifndef _NETINET6_SCOPE6_VAR_H_
  34 #define _NETINET6_SCOPE6_VAR_H_
  35
  36 #ifdef _KERNEL
  37 struct scope6_id {
  38         /*
  39          * 16 is correspondent to 4bit multicast scope field.
  40          * i.e. from interface-local to global with some
  41          * reserved/unassigned types.
  42          */
  43         uint32_t s6id_list[16];
  44 };
  45
  46 void    scope6_init(void);
  47 struct scope6_id *scope6_ifattach(struct ifnet *);
  48 void    scope6_ifdetach(struct scope6_id *);
  49 int     scope6_set(struct ifnet *, const struct scope6_id *);
  50 int     scope6_get(const struct ifnet *, struct scope6_id *);
  51 void    scope6_setdefault(struct ifnet *);
  52 int     scope6_get_default(struct scope6_id *);
  53 uint32_t scope6_in6_addrscope(struct in6_addr *);
  54 uint32_t scope6_addr2default(const struct in6_addr *);
  55 int     sa6_embedscope(struct sockaddr_in6 *, int);
  56 int     sa6_recoverscope(struct sockaddr_in6 *);
  57 int     in6_setzoneid(struct in6_addr *, uint32_t);
  58 int     in6_setscope(struct in6_addr *, const struct ifnet *, u_int32_t *);
  59 int     in6_clearscope(struct in6_addr *);
  60 #endif /* _KERNEL */
  61
  62 #endif /* _NETINET6_SCOPE6_VAR_H_ */