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/sys/domain.h

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    1 /*
    2  * Copyright (c) 1982, 1986, 1993
    3  *      The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
   34  * $FreeBSD: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $
   35  * $DragonFly: src/sys/sys/domain.h,v 1.6 2005/03/04 02:21:49 hsu Exp $
   36  */
   37 
   38 #ifndef _SYS_DOMAIN_H_
   39 #define _SYS_DOMAIN_H_
   40 
   41 #include <sys/queue.h>
   42 
   43 /*
   44  * Structure per communications domain.
   45  */
   46 
   47 /*
   48  * Forward structure declarations for function prototypes [sic].
   49  */
   50 struct  mbuf;
   51 struct  ifnet;
   52 
   53 SLIST_HEAD(domainlist, domain);
   54 
   55 struct  domain {
   56         int     dom_family;             /* AF_xxx */
   57         char    *dom_name;
   58         void    (*dom_init)(void);      /* initialize domain data structures */
   59         int     (*dom_externalize)(struct mbuf *);      /* externalize access
   60                                                          * rights */
   61         void    (*dom_dispose)(struct mbuf *);  /* dispose of internalized
   62                                                  * rights */
   63         struct  protosw *dom_protosw;
   64         struct  protosw *dom_protoswNPROTOSW;
   65         SLIST_ENTRY(domain) dom_next;
   66         int     (*dom_rtattach)(void **, int);  /* initialize routing table */
   67         int     dom_rtoffset;           /* an arg to rtattach, in bits */
   68         int     dom_maxrtkey;           /* for routing layer */
   69         void    *(*dom_ifattach)(struct ifnet *);
   70         void    (*dom_ifdetach)(struct ifnet *, void *);
   71                                         /* af-dependent data on ifnet */
   72 };
   73 
   74 #ifdef _KERNEL
   75 extern struct domainlist domains;
   76 extern struct domain     localdomain;
   77 
   78 extern void             net_add_domain(void *);
   79 
   80 #define DOMAIN_SET(name) \
   81         SYSINIT(domain_ ## name, SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, net_add_domain, & name ## domain)
   82 
   83 #endif
   84 
   85 #endif

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