| /* |
| * Universal TUN/TAP device driver. |
| * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #ifndef __IF_TUN_H |
| #define __IF_TUN_H |
| |
| #include <uapi/linux/if_tun.h> |
| |
| #if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE) |
| struct socket *tun_get_socket(struct file *); |
| #else |
| #include <linux/err.h> |
| #include <linux/errno.h> |
| struct file; |
| struct socket; |
| static inline struct socket *tun_get_socket(struct file *f) |
| { |
| return ERR_PTR(-EINVAL); |
| } |
| #endif /* CONFIG_TUN */ |
| #endif /* __IF_TUN_H */ |
