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32 lines
1011 B
32 lines
1011 B
/* |
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* Universal TUN/TAP device driver. |
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* Copyright (C) 1999-2000 Maxim Krasnyansky <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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*/ |
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#ifndef __IF_TUN_H |
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#define __IF_TUN_H |
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#include <uapi/linux/if_tun.h> |
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#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE) |
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struct socket *tun_get_socket(struct file *); |
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#else |
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#include <linux/err.h> |
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#include <linux/errno.h> |
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struct file; |
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struct socket; |
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static inline struct socket *tun_get_socket(struct file *f) |
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{ |
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return ERR_PTR(-EINVAL); |
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} |
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#endif /* CONFIG_TUN */ |
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#endif /* __IF_TUN_H */
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