38 строки
1.1 KiB
C
38 строки
1.1 KiB
C
/*
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* Universal TUN/TAP device driver.
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* Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
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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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struct skb_array *tun_get_skb_array(struct file *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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static inline struct skb_array *tun_get_skb_array(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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