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 /*-
    2  * Copyright (C) 2000 WIDE Project.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. Neither the name of the project nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      $KAME: scope6_var.h,v 1.4 2000/05/18 15:03:27 jinmei Exp $
   30  * $FreeBSD: releng/8.4/sys/netinet6/scope6_var.h 247964 2013-03-07 23:18:35Z tuexen $
   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 node-local to global with some reserved/unassigned types.
   41          */
   42         u_int32_t s6id_list[16];
   43 };
   44 
   45 void    scope6_init __P((void));
   46 struct scope6_id *scope6_ifattach __P((struct ifnet *));
   47 void    scope6_ifdetach __P((struct scope6_id *));
   48 int     scope6_set __P((struct ifnet *, struct scope6_id *));
   49 int     scope6_get __P((struct ifnet *, struct scope6_id *));
   50 void    scope6_setdefault __P((struct ifnet *));
   51 int     scope6_get_default __P((struct scope6_id *));
   52 u_int32_t scope6_addr2default __P((struct in6_addr *));
   53 int     sa6_embedscope __P((struct sockaddr_in6 *, int));
   54 int     sa6_recoverscope __P((struct sockaddr_in6 *));
   55 int     in6_setscope __P((struct in6_addr *, struct ifnet *, u_int32_t *));
   56 int     in6_clearscope __P((struct in6_addr *));
   57 uint16_t in6_getscope(struct in6_addr *);
   58 #endif /* _KERNEL */
   59 
   60 #endif /* _NETINET6_SCOPE6_VAR_H_ */

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