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/**
* @file kernel_interface.h
*
* @brief Interface of kernel_interface_t.
*
*/
/*
* Copyright (C) 2005 Jan Hutter, Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
#ifndef KERNEL_INTERFACE_H_
#define KERNEL_INTERFACE_H_
#include <linux/xfrm.h>
#include <network/host.h>
#include <encoding/payloads/proposal_substructure.h>
typedef struct kernel_interface_t kernel_interface_t;
/**
* @brief Interface to the kernel.
*
* @b Constructors:
* - kernel_interface_create()
*
* @ingroup threads
*/
struct kernel_interface_t {
/**
* @brief Get a SPI from the kernel
*
* @todo Fix spi range
*/
status_t (*get_spi) (kernel_interface_t *this,
host_t *src, host_t *dest,
protocol_id_t protocol,
u_int32_t reqid,
u_int32_t *spi);
/**
* @brief Create an SA.
*
* @todo Fix reqid and replay_window params
*
* @todo Cleanup method params
*/
status_t (*add_sa)(kernel_interface_t *this,
host_t *src, host_t *dst,
u_int32_t spi,
protocol_id_t protocol,
u_int32_t reqid,
encryption_algorithm_t enc_alg,
chunk_t encryption_key,
integrity_algorithm_t int_alg,
chunk_t integrity_key,
bool replace);
status_t (*add_policy) (kernel_interface_t *this,
host_t *me, host_t *other,
host_t *src, host_t *dst,
u_int8_t src_hostbits, u_int8_t dst_hostbits,
int direction, int upper_proto,
bool ah, bool esp,
u_int32_t reqid);
/**
* @brief Destroys a kernel_interface object.
*
* @param kernel_interface_t calling object
*/
void (*destroy) (kernel_interface_t *kernel_interface);
};
/**
* @brief Creates an object of type kernel_interface_t.
*
* @ingroup threads
*/
kernel_interface_t *kernel_interface_create();
#endif /*KERNEL_INTERFACE_H_*/
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