xref: /dragonfly/sys/net/tun/if_tunvar.h (revision d4ef6694)
1 /*-
2  * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
3  * 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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/net/if_tunvar.h,v 1.7 2000/01/23 01:47:12 brian Exp $
27  * $DragonFly: src/sys/net/tun/if_tunvar.h,v 1.3 2007/12/31 04:58:54 sephe Exp $
28  */
29 
30 #ifndef _NET_IF_TUNVAR_H_
31 #define _NET_IF_TUNVAR_H_
32 
33 struct tun_softc {
34 	u_short	tun_flags;		/* misc flags */
35 #define	TUN_OPEN	0x0001
36 #define	TUN_INITED	0x0002
37 #define	TUN_RCOLL	0x0004
38 #define	TUN_IASET	0x0008
39 #define	TUN_DSTADDR	0x0010		/* unused */
40 #define	TUN_LMODE	0x0020
41 #define	TUN_RWAIT	0x0040
42 #define	TUN_ASYNC	0x0080
43 #define	TUN_IFHEAD	0x0100
44 
45 #define TUN_READY       (TUN_OPEN | TUN_INITED)
46 
47 	pid_t	tun_pid;		/* PID of process to open */
48 	struct	ifnet tun_if;		/* the interface */
49 	struct  sigio *tun_sigio;	/* information for async I/O */
50 	struct	kqinfo	tun_rkq;	/* read select/poll/kq */
51 	struct	kqinfo	tun_wkq;	/* write select/poll/kq (not used) */
52 };
53 
54 #endif /* !_NET_IF_TUNVAR_H_ */
55