1/*-
2 * Copyright (c) 1982, 1986, 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	From: @(#)if.h	8.1 (Berkeley) 6/10/93
30 * $FreeBSD$
31 */
32
33#ifndef	_NET_IF_CLONE_H_
34#define	_NET_IF_CLONE_H_
35
36#ifdef _KERNEL
37
38struct if_clone;
39
40/* Methods. */
41typedef int	ifc_match_t(struct if_clone *, const char *);
42typedef int	ifc_create_t(struct if_clone *, char *, size_t, caddr_t);
43typedef int	ifc_destroy_t(struct if_clone *, struct ifnet *);
44
45typedef int	ifcs_create_t(struct if_clone *, int, caddr_t);
46typedef void	ifcs_destroy_t(struct ifnet *);
47
48/* Interface cloner (de)allocating functions. */
49struct if_clone *
50	if_clone_advanced(const char *, u_int, ifc_match_t, ifc_create_t,
51		      ifc_destroy_t);
52struct if_clone *
53	if_clone_simple(const char *, ifcs_create_t, ifcs_destroy_t, u_int);
54void	if_clone_detach(struct if_clone *);
55
56/* Unit (de)allocating fucntions. */
57int	ifc_name2unit(const char *name, int *unit);
58int	ifc_alloc_unit(struct if_clone *, int *);
59void	ifc_free_unit(struct if_clone *, int);
60
61/* Interface clone event. */
62typedef void (*if_clone_event_handler_t)(void *, struct if_clone *);
63EVENTHANDLER_DECLARE(if_clone_event, if_clone_event_handler_t);
64
65/* The below interfaces used only by net/if.c. */
66void	if_clone_init(void);
67void	vnet_if_clone_init(void);
68int	if_clone_create(char *, size_t, caddr_t);
69int	if_clone_destroy(const char *);
70int	if_clone_list(struct if_clonereq *);
71
72/* The below interface used only by epair(4). */
73int	if_clone_destroyif(struct if_clone *, struct ifnet *);
74
75#endif /* _KERNEL */
76#endif /* !_NET_IF_CLONE_H_ */
77