100 lines
3.6 KiB
C
100 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2013, Hasso-Plattner-Institut.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Common functionality of 802.15.4-compliant llsec_drivers.
|
|
* \author
|
|
* Konrad Krentz <konrad.krentz@gmail.com>
|
|
*/
|
|
|
|
/**
|
|
* \addtogroup llsec
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup llsec802154
|
|
*
|
|
* Common functionality of 802.15.4-compliant llsec_drivers.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef LLSEC802154_H_
|
|
#define LLSEC802154_H_
|
|
|
|
#include "net/mac/frame802154.h"
|
|
#include "net/ip/uip.h"
|
|
|
|
#ifdef LLSEC802154_CONF_SECURITY_LEVEL
|
|
#define LLSEC802154_SECURITY_LEVEL LLSEC802154_CONF_SECURITY_LEVEL
|
|
#else /* LLSEC802154_CONF_SECURITY_LEVEL */
|
|
#define LLSEC802154_SECURITY_LEVEL FRAME802154_SECURITY_LEVEL_NONE
|
|
#endif /* LLSEC802154_CONF_SECURITY_LEVEL */
|
|
|
|
#if ((LLSEC802154_SECURITY_LEVEL < 0) || (LLSEC802154_SECURITY_LEVEL > 7))
|
|
#error "unsupported security level"
|
|
#endif
|
|
|
|
#define LLSEC802154_SECURITY_LEVEL_MIC (LLSEC802154_SECURITY_LEVEL & 3)
|
|
#if LLSEC802154_SECURITY_LEVEL_MIC
|
|
#define LLSEC802154_MIC_LENGTH (2 << LLSEC802154_SECURITY_LEVEL_MIC)
|
|
#else
|
|
#define LLSEC802154_MIC_LENGTH 0
|
|
#endif
|
|
|
|
#ifdef LLSEC802154_CONF_USES_ENCRYPTION
|
|
#define LLSEC802154_USES_ENCRYPTION LLSEC802154_CONF_USES_ENCRYPTION
|
|
#else /* LLSEC802154_CONF_USES_ENCRYPTION */
|
|
#define LLSEC802154_USES_ENCRYPTION (LLSEC802154_SECURITY_LEVEL & (1 << 2))
|
|
#endif /* LLSEC802154_CONF_USES_ENCRYPTION */
|
|
|
|
#ifdef LLSEC802154_CONF_USES_EXPLICIT_KEYS
|
|
#define LLSEC802154_USES_EXPLICIT_KEYS LLSEC802154_CONF_USES_EXPLICIT_KEYS
|
|
#else /* LLSEC802154_CONF_USES_EXPLICIT_KEYS */
|
|
#define LLSEC802154_USES_EXPLICIT_KEYS 0
|
|
#endif /* LLSEC802154_CONF_USES_EXPLICIT_KEYS */
|
|
|
|
#if UIP_BYTE_ORDER == UIP_LITTLE_ENDIAN
|
|
#define LLSEC802154_HTONS(n) (n)
|
|
#define LLSEC802154_HTONL(n) (n)
|
|
#else /* UIP_CONF_BYTE_ORDER == UIP_LITTLE_ENDIAN */
|
|
#define LLSEC802154_HTONS(n) (uint16_t)((((uint16_t) (n)) << 8) | (((uint16_t) (n)) >> 8))
|
|
#define LLSEC802154_HTONL(n) (((uint32_t)UIP_HTONS(n) << 16) | UIP_HTONS((uint32_t)(n) >> 16))
|
|
#endif /* UIP_CONF_BYTE_ORDER == UIP_LITTLE_ENDIAN */
|
|
|
|
#endif /* LLSEC802154_H_ */
|
|
|
|
/** @} */
|
|
/** @} */
|