Current File : //backups/router/usr/include/sys/domain.h
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* 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.
* 3. 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
*/
#ifndef _SYS_DOMAIN_H_
#define _SYS_DOMAIN_H_
#include <sys/queue.h>
/*
* Structure per communications domain.
*/
/*
* Forward structure declarations for function prototypes [sic].
*/
struct mbuf;
struct ifnet;
struct socket;
struct rib_head;
struct domain {
SLIST_ENTRY(domain) dom_next;
int dom_family; /* AF_xxx */
u_int dom_nprotosw; /* length of dom_protosw[] */
char *dom_name;
int dom_flags;
int (*dom_probe)(void); /* check for support (optional) */
int (*dom_externalize) /* externalize access rights */
(struct mbuf *, struct mbuf **, int);
void (*dom_dispose) /* dispose of internalized rights */
(struct socket *);
struct rib_head *(*dom_rtattach) /* initialize routing table */
(uint32_t);
void (*dom_rtdetach) /* clean up routing table */
(struct rib_head *);
void *(*dom_ifattach)(struct ifnet *);
void (*dom_ifdetach)(struct ifnet *, void *);
int (*dom_ifmtu)(struct ifnet *);
/* af-dependent data on ifnet */
struct protosw *dom_protosw[];
};
/* dom_flags */
#define DOMF_UNLOADABLE 0x0004 /* Can be unloaded */
#ifdef _KERNEL
extern int domain_init_status;
extern SLIST_HEAD(domainhead, domain) domains;
void domain_add(struct domain *);
void domain_remove(struct domain *);
#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); \
SYSUNINIT(domain_remove_ ## name, SI_SUB_PROTO_DOMAIN, \
SI_ORDER_FIRST, domain_remove, & name ## domain);
#endif /* _KERNEL */
#endif /* !_SYS_DOMAIN_H_ */
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