94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/*
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* Copyright (c) 2010, 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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* RDC driver header file
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* \author
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* Adam Dunkels <adam@sics.se>
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* Niclas Finne <nfi@sics.se>
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*/
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#ifndef RDC_H_
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#define RDC_H_
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#include "contiki-conf.h"
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#include "net/mac/mac.h"
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#include "net/llsec/llsec802154.h"
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#ifdef RDC_CONF_WITH_DUPLICATE_DETECTION
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#define RDC_WITH_DUPLICATE_DETECTION RDC_CONF_WITH_DUPLICATE_DETECTION
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#else /* RDC_CONF_WITH_DUPLICATE_DETECTION */
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/* As frames can be spoofed, the RDC layer should not discard a
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frame because it has seen its sequence number already. Replay
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protection should be implemented at the LLSEC layer where the
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authenticity of frames is verified. */
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#define RDC_WITH_DUPLICATE_DETECTION !LLSEC802154_ENABLED
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#endif /* RDC_CONF_WITH_DUPLICATE_DETECTION */
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/* List of packets to be sent by RDC layer */
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struct rdc_buf_list {
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struct rdc_buf_list *next;
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struct queuebuf *buf;
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void *ptr;
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};
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/**
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* The structure of a RDC (radio duty cycling) driver in Contiki.
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*/
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struct rdc_driver {
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char *name;
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/** Initialize the RDC driver */
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void (* init)(void);
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/** Send a packet from the Rime buffer */
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void (* send)(mac_callback_t sent_callback, void *ptr);
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/** Send a packet list */
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void (* send_list)(mac_callback_t sent_callback, void *ptr, struct rdc_buf_list *list);
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/** Callback for getting notified of incoming packet. */
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void (* input)(void);
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/** Turn the MAC layer on. */
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int (* on)(void);
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/** Turn the MAC layer off. */
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int (* off)(int keep_radio_on);
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/** Returns the channel check interval, expressed in clock_time_t ticks. */
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clock_time_t (* channel_check_interval)(void);
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};
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#endif /* RDC_H_ */
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