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domain.h revision 1.18 
      1 /*	$NetBSD: domain.h,v 1.18 2004/04/22 01:34:17 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	mbuf;
     46 struct	ifnet;
     47 
     48 struct	domain {
     49 	int	dom_family;		/* AF_xxx */
     50 	char	*dom_name;
     51 	void	(*dom_init)		/* initialize domain data structures */
     52 			(void);
     53 	int	(*dom_externalize)	/* externalize access rights */
     54 			(struct mbuf *);
     55 	void	(*dom_dispose)		/* dispose of internalized rights */
     56 			(struct mbuf *);
     57 	const struct protosw *dom_protosw, *dom_protoswNPROTOSW;
     58 	struct	domain *dom_next;
     59 	int	(*dom_rtattach)		/* initialize routing table */
     60 			(void **, int);
     61 	int	dom_rtoffset;		/* an arg to rtattach, in bits */
     62 	int	dom_maxrtkey;		/* for routing layer */
     63 	void	*(*dom_ifattach)	/* attach af-dependent data on ifnet */
     64 			(struct ifnet *);
     65 	void	(*dom_ifdetach)		/* detach af-dependent data on ifnet */
     66 			(struct ifnet *, void *);
     67 	struct	mowner dom_mowner;
     68 };
     69 
     70 #ifdef _KERNEL
     71 extern struct domain *domains;
     72 void domaininit(void);
     73 #endif
     74 
     75 #endif /* !_SYS_DOMAIN_H_ */
     76