Home | History | Annotate | Line # | Download | only in sys
domain.h revision 1.20 
      1 /*	$NetBSD: domain.h,v 1.20 2005/01/23 18:41:56 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	proc;
     46 struct	mbuf;
     47 struct	ifnet;
     48 
     49 struct	domain {
     50 	int	dom_family;		/* AF_xxx */
     51 	const 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 	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 	STAILQ_ENTRY(domain) dom_link;
     68 	struct	mowner dom_mowner;
     69 };
     70 
     71 STAILQ_HEAD(domainhead,domain);
     72 
     73 #ifdef _KERNEL
     74 #define	DOMAIN_DEFINE(name)	\
     75 	extern struct domain name; \
     76 	__link_set_add_data(domains, name)
     77 
     78 #define	DOMAIN_FOREACH(dom)	STAILQ_FOREACH(dom, &domains, dom_link)
     79 extern struct domainhead domains;
     80 void domain_attach(struct domain *);
     81 void domaininit(void);
     82 #endif
     83 
     84 #endif /* !_SYS_DOMAIN_H_ */
     85