90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* The 802.15.4 standard CSMA protocol (nonbeacon-enabled)
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* \author
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* Adam Dunkels <adam@sics.se>
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* Simon Duquennoy <simon.duquennoy@inria.fr>
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*/
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#ifndef CSMA_H_
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#define CSMA_H_
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#include "contiki.h"
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#include "net/mac/mac.h"
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#include "dev/radio.h"
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#ifdef CSMA_CONF_SEND_SOFT_ACK
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#define CSMA_SEND_SOFT_ACK CSMA_CONF_SEND_SOFT_ACK
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#else /* CSMA_CONF_SEND_SOFT_ACK */
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#define CSMA_SEND_SOFT_ACK 0
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#endif /* CSMA_CONF_SEND_SOFT_ACK */
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#ifdef CSMA_CONF_ACK_WAIT_TIME
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#define CSMA_ACK_WAIT_TIME CSMA_CONF_ACK_WAIT_TIME
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#else /* CSMA_CONF_ACK_WAIT_TIME */
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#define CSMA_ACK_WAIT_TIME RTIMER_SECOND / 2500
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#endif /* CSMA_CONF_ACK_WAIT_TIME */
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#ifdef CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME
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#define CSMA_AFTER_ACK_DETECTED_WAIT_TIME CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME
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#else /* CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME */
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#define CSMA_AFTER_ACK_DETECTED_WAIT_TIME RTIMER_SECOND / 1500
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#endif /* CSMA_CONF_AFTER_ACK_DETECTED_WAIT_TIME */
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#define CSMA_ACK_LEN 3
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/* Default MAC len for 802.15.4 classic */
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#ifdef CSMA_MAC_CONF_LEN
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#define CSMA_MAC_LEN CSMA_MAC_CONF_LEN
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#else
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#define CSMA_MAC_LEN 127 - 2
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#endif
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/* just a default - with LLSEC, etc */
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#define CSMA_MAC_MAX_HEADER 21
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extern const struct mac_driver csma_driver;
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/* CSMA security framer functions */
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int csma_security_create_frame(void);
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int csma_security_parse_frame(void);
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/* key management for CSMA */
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int csma_security_set_key(uint8_t index, const uint8_t *key);
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#endif /* CSMA_H_ */
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