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domain.h revision 1.19 
      1 /*	$NetBSD: domain.h,v 1.19 2004/05/22 22:52:16 jonathan 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	proc;
     46 struct	mbuf;
     47 struct	ifnet;
     48 
     49 struct	domain {
     50 	int	dom_family;		/* AF_xxx */
     51 	char	*dom_name;
     52 	void	(*dom_init)		/* initialize domain data structures */
     53 			(void);
     54 	int	(*dom_externalize)	/* externalize access rights */
     55 			(struct mbuf *, struct proc *);
     56 	void	(*dom_dispose)		/* dispose of internalized rights */
     57 			(struct mbuf *);
     58 	const struct protosw *dom_protosw, *dom_protoswNPROTOSW;
     59 	struct	domain *dom_next;
     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	mowner dom_mowner;
     69 };
     70 
     71 #ifdef _KERNEL
     72 extern struct domain *domains;
     73 void domaininit(void);
     74 #endif
     75 
     76 #endif /* !_SYS_DOMAIN_H_ */
     77