bsd/sys/domain.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
  23 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  24 /*
  25  * Copyright (c) 1982, 1986, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by the University of
  39  *      California, Berkeley and its contributors.
  40  * 4. Neither the name of the University nor the names of its contributors
  41  *    may be used to endorse or promote products derived from this software
  42  *    without specific prior written permission.
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  45  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  47  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  48  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  49  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  50  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  51  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  52  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  54  * SUCH DAMAGE.
  55  *
  56  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
  57  * $FreeBSD: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $
  58  */
  59
  60 #ifndef _SYS_DOMAIN_H_
  61 #define _SYS_DOMAIN_H_
  62
  63 #ifdef PRIVATE
  64
  65 #include <sys/appleapiopts.h>
  66 #ifdef KERNEL
  67 #include <kern/locks.h>
  68 #endif /* KERNEL */
  69 /*
  70  * Structure per communications domain.
  71  */
  72
  73 #include <sys/cdefs.h>
  74
  75 /*
  76  * Forward structure declarations for function prototypes [sic].
  77  */
  78 struct  mbuf;
  79 #define DOM_REENTRANT   0x01
  80
  81 #if __DARWIN_ALIGN_POWER
  82 #pragma options align=power
  83 #endif
  84
  85 struct  domain {
  86         int     dom_family;             /* AF_xxx */
  87         char    *dom_name;
  88         void    (*dom_init)(void);      /* initialize domain data structures */
  89         int     (*dom_externalize)(struct mbuf *);
  90                                         /* externalize access rights */
  91         void    (*dom_dispose)(struct mbuf *);
  92                                         /* dispose of internalized rights */
  93         struct  protosw *dom_protosw;   /* Chain of protosw's for AF */
  94         struct  domain *dom_next;
  95         int     (*dom_rtattach)(void **, int);
  96                                         /* initialize routing table */
  97         int     dom_rtoffset;           /* an arg to rtattach, in bits */
  98         int     dom_maxrtkey;           /* for routing layer */
  99         int     dom_protohdrlen;        /* Let the protocol tell us */
 100         int     dom_refs;               /* # socreates outstanding */
 101 #ifdef _KERN_LOCKS_H_
 102         lck_mtx_t       *dom_mtx;               /* domain global mutex */
 103 #else
 104         void    *dom_mtx;               /* domain global mutex */
 105 #endif
 106         u_long          dom_flags;
 107         u_long          reserved[2];
 108 };
 109
 110 #if __DARWIN_ALIGN_POWER
 111 #pragma options align=reset
 112 #endif
 113
 114 #ifdef KERNEL
 115 extern struct   domain *domains;
 116 extern struct   domain localdomain;
 117
 118 __BEGIN_DECLS
 119 extern void     net_add_domain(struct domain *dp);
 120 extern int      net_del_domain(struct domain *);
 121 __END_DECLS
 122
 123 #define DOMAIN_SET(domain_set)
 124
 125 #endif /* KERNEL */
 126 #endif /* PRIVATE */
 127 #endif  /* _SYS_DOMAIN_H_ */