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1 | /* | |
2 | * Universal TUN/TAP device driver. | |
3 | * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | */ | |
15 | #ifndef __IF_TUN_H | |
16 | #define __IF_TUN_H | |
17 | ||
18 | #include <uapi/linux/if_tun.h> | |
19 | ||
20 | #if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE) | |
21 | struct socket *tun_get_socket(struct file *); | |
22 | struct skb_array *tun_get_skb_array(struct file *file); | |
23 | #else | |
24 | #include <linux/err.h> | |
25 | #include <linux/errno.h> | |
26 | struct file; | |
27 | struct socket; | |
28 | static inline struct socket *tun_get_socket(struct file *f) | |
29 | { | |
30 | return ERR_PTR(-EINVAL); | |
31 | } | |
32 | static inline struct skb_array *tun_get_skb_array(struct file *f) | |
33 | { | |
34 | return ERR_PTR(-EINVAL); | |
35 | } | |
36 | #endif /* CONFIG_TUN */ | |
37 | #endif /* __IF_TUN_H */ |