1/*
2 * Copyright (c) 2005 Reyk Floeter <reyk@openbsd.org>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef _PORT_TUN_H
18#define _PORT_TUN_H
19
20struct Channel;
21
22#if defined(SSH_TUN_LINUX) || defined(SSH_TUN_FREEBSD)
23# define CUSTOM_SYS_TUN_OPEN
24int	  sys_tun_open(int, int);
25#endif
26
27#if defined(SSH_TUN_COMPAT_AF) || defined(SSH_TUN_PREPEND_AF)
28# define SSH_TUN_FILTER
29int	 sys_tun_infilter(struct Channel *, char *, int);
30u_char	*sys_tun_outfilter(struct Channel *, u_char **, u_int *);
31#endif
32
33#endif
34