bsd/sys/domain.h

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_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 License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
  29 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  30 /*
  31  * Copyright (c) 1982, 1986, 1993
  32  *      The Regents of the University of California.  All rights reserved.
  33  *
  34  * Redistribution and use in source and binary forms, with or without
  35  * modification, are permitted provided that the following conditions
  36  * are met:
  37  * 1. Redistributions of source code must retain the above copyright
  38  *    notice, this list of conditions and the following disclaimer.
  39  * 2. Redistributions in binary form must reproduce the above copyright
  40  *    notice, this list of conditions and the following disclaimer in the
  41  *    documentation and/or other materials provided with the distribution.
  42  * 3. All advertising materials mentioning features or use of this software
  43  *    must display the following acknowledgement:
  44  *      This product includes software developed by the University of
  45  *      California, Berkeley and its contributors.
  46  * 4. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  *
  62  *      @(#)domain.h    8.1 (Berkeley) 6/2/93
  63  * $FreeBSD: src/sys/sys/domain.h,v 1.14 1999/12/29 04:24:40 peter Exp $
  64  */
  65
  66 #ifndef _SYS_DOMAIN_H_
  67 #define _SYS_DOMAIN_H_
  68
  69 #ifdef PRIVATE
  70
  71 #include <sys/appleapiopts.h>
  72 #ifdef KERNEL
  73 #include <kern/locks.h>
  74 #endif /* KERNEL */
  75 /*
  76  * Structure per communications domain.
  77  */
  78
  79 #include <sys/cdefs.h>
  80
  81 /*
  82  * Forward structure declarations for function prototypes [sic].
  83  */
  84 struct  mbuf;
  85 #define DOM_REENTRANT   0x01
  86
  87 #pragma pack(4)
  88
  89 struct  domain {
  90         int     dom_family;             /* AF_xxx */
  91         const char      *dom_name;
  92         void    (*dom_init)(void);      /* initialize domain data structures */
  93         int     (*dom_externalize)(struct mbuf *);
  94                                         /* externalize access rights */
  95         void    (*dom_dispose)(struct mbuf *);
  96                                         /* dispose of internalized rights */
  97         struct  protosw *dom_protosw;   /* Chain of protosw's for AF */
  98         struct  domain *dom_next;
  99         int     (*dom_rtattach)(void **, int);
 100                                         /* initialize routing table */
 101         int     dom_rtoffset;           /* an arg to rtattach, in bits */
 102         int     dom_maxrtkey;           /* for routing layer */
 103         int     dom_protohdrlen;        /* Let the protocol tell us */
 104         int     dom_refs;               /* # socreates outstanding */
 105 #ifdef _KERN_LOCKS_H_
 106         lck_mtx_t       *dom_mtx;               /* domain global mutex */
 107 #else
 108         void    *dom_mtx;               /* domain global mutex */
 109 #endif
 110         uint32_t                dom_flags;
 111         uint32_t                reserved[2];
 112 };
 113
 114 #pragma pack()
 115
 116 #ifdef KERNEL
 117 extern struct   domain *domains;
 118 extern struct   domain localdomain;
 119
 120 __BEGIN_DECLS
 121 extern void     net_add_domain(struct domain *dp);
 122 extern int      net_del_domain(struct domain *);
 123 __END_DECLS
 124
 125 #define DOMAIN_SET(domain_set)
 126
 127 #endif /* KERNEL */
 128 #endif /* PRIVATE */
 129 #endif  /* _SYS_DOMAIN_H_ */