158 lines
5.1 KiB
C
158 lines
5.1 KiB
C
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/*
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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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* \file
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* Public configuration and API declarations for ContikiRPL.
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* \author
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* Joakim Eriksson <joakime@sics.se> & Nicolas Tsiftes <nvt@sics.se>
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*
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*/
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#ifndef RPL_CONF_H
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#define RPL_CONF_H
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/* Set to 1 to enable RPL statistics */
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#ifndef RPL_CONF_STATS
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#define RPL_CONF_STATS 0
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#endif /* RPL_CONF_STATS */
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/*
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* Select routing metric supported at runtime. This must be a valid
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* DAG Metric Container Object Type (see below). Currently, we only
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* support RPL_DAG_MC_ETX and RPL_DAG_MC_ENERGY.
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*/
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#ifdef RPL_CONF_DAG_MC
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#define RPL_DAG_MC RPL_CONF_DAG_MC
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#else
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#define RPL_DAG_MC RPL_DAG_MC_ETX
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#endif /* RPL_CONF_DAG_MC */
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/*
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* The objective function used by RPL is configurable through the
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* RPL_CONF_OF parameter. This should be defined to be the name of an
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* rpl_of_t object linked into the system image, e.g., rpl_of0.
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*/
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#ifdef RPL_CONF_OF
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#define RPL_OF RPL_CONF_OF
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#else
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/* ETX is the default objective function. */
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#define RPL_OF rpl_of_etx
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#endif /* RPL_CONF_OF */
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/* This value decides which DAG instance we should participate in by default. */
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#ifdef RPL_CONF_DEFAULT_INSTANCE
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#define RPL_DEFAULT_INSTANCE RPL_CONF_DEFAULT_INSTANCE
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#else
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#define RPL_DEFAULT_INSTANCE 0x1e
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#endif /* RPL_CONF_DEFAULT_INSTANCE */
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/*
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* This value decides if this node must stay as a leaf or not
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* as allowed by draft-ietf-roll-rpl-19#section-8.5
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*/
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#ifdef RPL_CONF_LEAF_ONLY
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#define RPL_LEAF_ONLY RPL_CONF_LEAF_ONLY
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#else
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#define RPL_LEAF_ONLY 0
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#endif
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/*
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* Maximum of concurent RPL instances.
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*/
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#ifdef RPL_CONF_MAX_INSTANCES
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#define RPL_MAX_INSTANCES RPL_CONF_MAX_INSTANCES
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#else
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#define RPL_MAX_INSTANCES 1
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#endif /* RPL_CONF_MAX_INSTANCES */
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/*
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* Maximum number of DAGs within an instance.
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*/
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#ifdef RPL_CONF_MAX_DAG_PER_INSTANCE
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#define RPL_MAX_DAG_PER_INSTANCE RPL_CONF_MAX_DAG_PER_INSTANCE
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#else
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#define RPL_MAX_DAG_PER_INSTANCE 2
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#endif /* RPL_CONF_MAX_DAG_PER_INSTANCE */
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/*
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*
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*/
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#ifndef RPL_CONF_DAO_SPECIFY_DAG
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#if RPL_MAX_DAG_PER_INSTANCE > 1
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#define RPL_DAO_SPECIFY_DAG 1
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#else
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#define RPL_DAO_SPECIFY_DAG 0
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#endif /* RPL_MAX_DAG_PER_INSTANCE > 1 */
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#else
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#define RPL_DAO_SPECIFY_DAG RPL_CONF_DAO_SPECIFY_DAG
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#endif /* RPL_CONF_DAO_SPECIFY_DAG */
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/*
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* The DIO interval (n) represents 2^n ms.
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*
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* According to the specification, the default value is 3 which
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* means 8 milliseconds. That is far too low when using duty cycling
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* with wake-up intervals that are typically hundreds of milliseconds.
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* ContikiRPL thus sets the default to 2^12 ms = 4.096 s.
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*/
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#ifdef RPL_CONF_DIO_INTERVAL_MIN
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#define RPL_DIO_INTERVAL_MIN RPL_CONF_DIO_INTERVAL_MIN
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#else
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#define RPL_DIO_INTERVAL_MIN 12
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#endif
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/*
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* Maximum amount of timer doublings.
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*
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* The maximum interval will by default be 2^(12+8) ms = 1048.576 s.
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* RFC 6550 suggests a default value of 20, which of course would be
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* unsuitable when we start with a minimum interval of 2^12.
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*/
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#ifdef RPL_CONF_DIO_INTERVAL_DOUBLINGS
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#define RPL_DIO_INTERVAL_DOUBLINGS RPL_CONF_DIO_INTERVAL_DOUBLINGS
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#else
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#define RPL_DIO_INTERVAL_DOUBLINGS 8
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#endif
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/*
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* DIO redundancy. To learn more about this, see RFC 6206.
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*
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* RFC 6550 suggests a default value of 10. It is unclear what the basis
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* of this suggestion is. Network operators might attain more efficient
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* operation by tuning this parameter for specific deployments.
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*/
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#ifdef RPL_CONF_DIO_REDUNDANCY
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#define RPL_DIO_REDUNDANCY RPL_CONF_DIO_REDUNDANCY
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#else
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#define RPL_DIO_REDUNDANCY 10
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#endif
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#endif /* RPL_CONF_H */
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