domain.h

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    1 /*      $NetBSD: domain.h,v 1.23 2006/08/25 19:33:50 matt Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1982, 1986, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
   32  */
   33 
   34 #ifndef _SYS_DOMAIN_H_
   35 #define _SYS_DOMAIN_H_
   36 
   37 /*
   38  * Structure per communications domain.
   39  */
   40 #include <sys/mbuf.h>
   41 
   42 /*
   43  * Forward structure declarations for function prototypes [sic].
   44  */
   45 struct  lwp;
   46 struct  mbuf;
   47 struct  ifnet;
   48 struct  ifqueue;
   49 
   50 struct  domain {
   51         int     dom_family;             /* AF_xxx */
   52         const char *dom_name;
   53         void    (*dom_init)             /* initialize domain data structures */
   54                         (void);
   55         int     (*dom_externalize)      /* externalize access rights */
   56                         (struct mbuf *, struct lwp *);
   57         void    (*dom_dispose)          /* dispose of internalized rights */
   58                         (struct mbuf *);
   59         const struct protosw *dom_protosw, *dom_protoswNPROTOSW;
   60         int     (*dom_rtattach)         /* initialize routing table */
   61                         (void **, int);
   62         int     dom_rtoffset;           /* an arg to rtattach, in bits */
   63         int     dom_maxrtkey;           /* for routing layer */
   64         void    *(*dom_ifattach)        /* attach af-dependent data on ifnet */
   65                         (struct ifnet *);
   66         void    (*dom_ifdetach)         /* detach af-dependent data on ifnet */
   67                         (struct ifnet *, void *);
   68         struct ifqueue *dom_ifqueues[2]; /* ifqueue for domain */
   69         STAILQ_ENTRY(domain) dom_link;
   70         struct  mowner dom_mowner;
   71 };
   72 
   73 STAILQ_HEAD(domainhead,domain);
   74 
   75 #ifdef _KERNEL
   76 #define DOMAIN_DEFINE(name)     \
   77         extern struct domain name; \
   78         __link_set_add_data(domains, name)
   79 
   80 #define DOMAIN_FOREACH(dom)     STAILQ_FOREACH(dom, &domains, dom_link)
   81 extern struct domainhead domains;
   82 void domain_attach(struct domain *);
   83 void domaininit(void);
   84 #endif
   85 
   86 #endif /* !_SYS_DOMAIN_H_ */

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sys/sys/domain.h