bsd/sys/domain.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
  31 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  32 /*
  33  * Copyright (c) 1982, 1986, 1993
  34  *      The Regents of the University of California.  All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed by the University of
  47  *      California, Berkeley and its contributors.
  48  * 4. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
  65  * $FreeBSD: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $
  66  */
  67
  68 #ifndef _SYS_DOMAIN_H_
  69 #define _SYS_DOMAIN_H_
  70
  71 #ifdef PRIVATE
  72
  73 #include <sys/appleapiopts.h>
  74 #ifdef KERNEL
  75 #include <kern/locks.h>
  76 #endif /* KERNEL */
  77 /*
  78  * Structure per communications domain.
  79  */
  80
  81 #include <sys/cdefs.h>
  82
  83 /*
  84  * Forward structure declarations for function prototypes [sic].
  85  */
  86 struct  mbuf;
  87 #define DOM_REENTRANT   0x01
  88
  89 #pragma pack(4)
  90
  91 struct  domain {
  92         int     dom_family;             /* AF_xxx */
  93         char    *dom_name;
  94         void    (*dom_init)(void);      /* initialize domain data structures */
  95         int     (*dom_externalize)(struct mbuf *);
  96                                         /* externalize access rights */
  97         void    (*dom_dispose)(struct mbuf *);
  98                                         /* dispose of internalized rights */
  99         struct  protosw *dom_protosw;   /* Chain of protosw's for AF */
 100         struct  domain *dom_next;
 101         int     (*dom_rtattach)(void **, int);
 102                                         /* initialize routing table */
 103         int     dom_rtoffset;           /* an arg to rtattach, in bits */
 104         int     dom_maxrtkey;           /* for routing layer */
 105         int     dom_protohdrlen;        /* Let the protocol tell us */
 106         int     dom_refs;               /* # socreates outstanding */
 107 #ifdef _KERN_LOCKS_H_
 108         lck_mtx_t       *dom_mtx;               /* domain global mutex */
 109 #else
 110         void    *dom_mtx;               /* domain global mutex */
 111 #endif
 112         u_long          dom_flags;
 113         u_long          reserved[2];
 114 };
 115
 116 #pragma pack()
 117
 118 #ifdef KERNEL
 119 extern struct   domain *domains;
 120 extern struct   domain localdomain;
 121
 122 __BEGIN_DECLS
 123 extern void     net_add_domain(struct domain *dp);
 124 extern int      net_del_domain(struct domain *);
 125 __END_DECLS
 126
 127 #define DOMAIN_SET(domain_set)
 128
 129 #endif /* KERNEL */
 130 #endif /* PRIVATE */
 131 #endif  /* _SYS_DOMAIN_H_ */