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


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FreeBSD/Linux Kernel Cross Reference
sys/netinet6/scope6_var.h

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    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 1.8 2008/08/24 19:14:52 swildner 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 (struct in6_addr *, struct ifnet *, u_int32_t *);
   69 
   70 #endif /* _KERNEL */
   71 
   72 #endif /* _NETINET6_SCOPE6_VAR_H_ */

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