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ipip.h
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ipip.h
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/*
This file is part of kiwitun.
Kiwitun 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 3 of the License, or
(at your option) any later version.
Kiwitun 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.
You should have received a copy of the GNU General Public License
along with kiwitun. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file ipip.h
* @brief IPIP tunneling module (4-in-4 and 6-in-4)
*
* Creates all required sockets and handles IPIP encapsulation in decapsulation.
* Currently supports only 4-in-4 and 6-in-4 tunneling.
*/
#ifndef IPIP_H_
#define IPIP_H_
#include <stdint.h>
/**
* @brief Initialize tunneling module
* @param tun TUN interface descriptor
* @return 0 on success, -1 on failure
**/
int Ipip_init(int tun);
/**
* @brief Start tunneling engine execution (non-blocking)
* @return 0 on success, -1 on failure
**/
int Ipip_start();
#endif