freebsd-skq/sys/sys/domain.h

107 lines
3.9 KiB
C

/*-
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)domain.h 8.1 (Berkeley) 6/2/93
* $FreeBSD$
*/
#ifndef _SYS_DOMAIN_H_
#define _SYS_DOMAIN_H_
/*
* Structure per communications domain.
*/
/*
* Forward structure declarations for function prototypes [sic].
*/
struct mbuf;
struct ifnet;
struct domain {
int dom_family; /* AF_xxx */
char *dom_name;
void (*dom_init) /* initialize domain data structures */
(void);
void (*dom_destroy) /* cleanup structures / state */
(void);
int (*dom_externalize) /* externalize access rights */
(struct mbuf *, struct mbuf **);
void (*dom_dispose) /* dispose of internalized rights */
(struct mbuf *);
struct protosw *dom_protosw, *dom_protoswNPROTOSW;
struct domain *dom_next;
int (*dom_rtattach) /* initialize routing table */
(void **, int);
int (*dom_rtdetach) /* clean up routing table */
(void **, int);
int dom_rtoffset; /* an arg to rtattach, in bits */
/* XXX MRT.
* rtoffset May be 0 if the domain supplies its own rtattach(),
* in which case, a 0 indicates it's being called from
* vfs_export.c (HACK) Only for AF_INET{,6} at this time.
* Temporary ABI compat hack.. fix post RELENG_7
*/
int dom_maxrtkey; /* for routing layer */
void *(*dom_ifattach)(struct ifnet *);
void (*dom_ifdetach)(struct ifnet *, void *);
/* af-dependent data on ifnet */
};
#ifdef _KERNEL
extern int domain_init_status;
extern struct domain *domains;
void domain_add(void *);
void domain_init(void *);
#ifdef VIMAGE
void vnet_domain_init(void *);
void vnet_domain_uninit(void *);
#endif
#define DOMAIN_SET(name) \
SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
SI_ORDER_FIRST, domain_add, & name ## domain); \
SYSINIT(domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
SI_ORDER_SECOND, domain_init, & name ## domain);
#ifdef VIMAGE
#define VNET_DOMAIN_SET(name) \
SYSINIT(domain_add_ ## name, SI_SUB_PROTO_DOMAIN, \
SI_ORDER_FIRST, domain_add, & name ## domain); \
VNET_SYSINIT(vnet_domain_init_ ## name, SI_SUB_PROTO_DOMAIN, \
SI_ORDER_SECOND, vnet_domain_init, & name ## domain); \
VNET_SYSUNINIT(vnet_domain_uninit_ ## name, \
SI_SUB_PROTO_DOMAIN, SI_ORDER_SECOND, vnet_domain_uninit, \
& name ## domain)
#else /* !VIMAGE */
#define VNET_DOMAIN_SET(name) DOMAIN_SET(name)
#endif /* VIMAGE */
#endif /* _KERNEL */
#endif /* !_SYS_DOMAIN_H_ */