54 lines
848 B
C
54 lines
848 B
C
/*
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* \brief TUN/TAP to Nic_session interface
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* \author Josef Soentgen
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* \date 2014-06-05
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*/
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/*
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* Copyright (C) 2014-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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#ifndef _TUNTAP_H_
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#define _TUNTAP_H_
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#include <base/stdint.h>
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/**
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* This class handles the TUN/TAP access from OpenVPN's side
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*/
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struct Tuntap_device
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{
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/**
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* Read from TUN/TAP device
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*/
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virtual int read(char *buf, Genode::size_t len) = 0;
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/**
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* Write to TUN/TAP device
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*/
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virtual int write(char const *buf, Genode::size_t len) = 0;
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/**
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* Get file descriptor used to notify OpenVPN about incoming packets
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*/
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virtual int fd() = 0;
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/**
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* Start-up lock up
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*/
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virtual void up() = 0;
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/**
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* Start-up lock down
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*/
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virtual void down() = 0;
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};
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#endif /* _TUNTAP_H_ */
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