/*
* Copyright (c) 2010, Swedish Institute of Computer Science.
* 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
* Public configuration and API declarations for ContikiRPL.
* \author
* Joakim Eriksson <joakime@sics.se> & Nicolas Tsiftes <nvt@sics.se>
*
*/
#ifndef RPL_CONF_H
#define RPL_CONF_H
#include "contiki-conf.h"
/* Set to 1 to enable RPL statistics */
#ifndef RPL_CONF_STATS
#define RPL_CONF_STATS 0
#endif /* RPL_CONF_STATS */
/*
* The objective function (OF) used by a RPL root is configurable through
* the RPL_CONF_OF_OCP parameter. This is defined as the objective code
* point (OCP) of the OF, RPL_OCP_OF0 or RPL_OCP_MRHOF. This flag is of
* no relevance to non-root nodes, which run the OF advertised in the
* instance they join.
* Make sure the selected of is inRPL_SUPPORTED_OFS.
*/
#ifdef RPL_CONF_OF_OCP
#define RPL_OF_OCP RPL_CONF_OF_OCP
#else /* RPL_CONF_OF_OCP */
#define RPL_OF_OCP RPL_OCP_MRHOF
#endif /* RPL_CONF_OF_OCP */
/*
* The set of objective functions supported at runtime. Nodes are only
* able to join instances that advertise an OF in this set. To include
* both OF0 and MRHOF, use {&rpl_of0, &rpl_mrhof}.
*/
#ifdef RPL_CONF_SUPPORTED_OFS
#define RPL_SUPPORTED_OFS RPL_CONF_SUPPORTED_OFS
#else /* RPL_CONF_SUPPORTED_OFS */
#define RPL_SUPPORTED_OFS {&rpl_mrhof}
#endif /* RPL_CONF_SUPPORTED_OFS */
/*
* Enable/disable RPL Metric Containers (MC). The actual MC in use
* for a given DODAG is decided at runtime, when joining. Note that
* OF0 (RFC6552) operates without MC, and so does MRHOF (RFC6719) when
* used with ETX as a metric (the rank is the metric). We disable MC
* by default, but note it must be enabled to support joining a DODAG
* that requires MC (e.g., MRHOF with a metric other than ETX).
*/
#ifdef RPL_CONF_WITH_MC
#define RPL_WITH_MC RPL_CONF_WITH_MC
#else /* RPL_CONF_WITH_MC */
#define RPL_WITH_MC 0
#endif /* RPL_CONF_WITH_MC */
/* The MC advertised in DIOs and propagating from the root */
#ifdef RPL_CONF_DAG_MC
#define RPL_DAG_MC RPL_CONF_DAG_MC
#else
#define RPL_DAG_MC RPL_DAG_MC_NONE
#endif /* RPL_CONF_DAG_MC */
/* This value decides which DAG instance we should participate in by default. */
#ifdef RPL_CONF_DEFAULT_INSTANCE
#define RPL_DEFAULT_INSTANCE RPL_CONF_DEFAULT_INSTANCE
#else
#define RPL_DEFAULT_INSTANCE 0x1e
#endif /* RPL_CONF_DEFAULT_INSTANCE */
/*
* This value decides if this node must stay as a leaf or not
* as allowed by draft-ietf-roll-rpl-19#section-8.5
*/
#ifdef RPL_CONF_LEAF_ONLY
#define RPL_LEAF_ONLY RPL_CONF_LEAF_ONLY
#else
#define RPL_LEAF_ONLY 0
#endif
/*
* Maximum of concurent RPL instances.
*/
#ifdef RPL_CONF_MAX_INSTANCES
#define RPL_MAX_INSTANCES RPL_CONF_MAX_INSTANCES
#else
#define RPL_MAX_INSTANCES 1
#endif /* RPL_CONF_MAX_INSTANCES */
/*
* Maximum number of DAGs within an instance.
*/
#ifdef RPL_CONF_MAX_DAG_PER_INSTANCE
#define RPL_MAX_DAG_PER_INSTANCE RPL_CONF_MAX_DAG_PER_INSTANCE
#else
#define RPL_MAX_DAG_PER_INSTANCE 2
#endif /* RPL_CONF_MAX_DAG_PER_INSTANCE */
/*
* RPL Default route lifetime
* The RPL route lifetime is used for the downward routes and for the default
* route. In a high density network with DIO suppression activated it may happen
* that a node will never send a DIO once the DIO interval becomes high as it
* has heard DIO from many neighbors already. As the default route to the
* preferred parent has a lifetime reset by receiving DIO from the parent, it
* means that the default route can be destroyed after a while. Setting the
* default route with infinite lifetime secures the upstream route.
*/
#ifdef RPL_CONF_DEFAULT_ROUTE_INFINITE_LIFETIME
#define RPL_DEFAULT_ROUTE_INFINITE_LIFETIME RPL_CONF_DEFAULT_ROUTE_INFINITE_LIFETIME
#else
#define RPL_DEFAULT_ROUTE_INFINITE_LIFETIME 1
#endif /* RPL_CONF_DEFAULT_ROUTE_INFINITE_LIFETIME */
/*
* Maximum lifetime of a DAG
* When a DODAG is not updated since RPL_CONF_DAG_LIFETIME times the DODAG
* maximum DIO interval the DODAG is removed from the list of DODAGS of the
* related instance, except if it is the currently joined DODAG.
*/
#ifdef RPL_CONF_DAG_LIFETIME
#define RPL_DAG_LIFETIME RPL_CONF_DAG_LIFETIME
#else
#define RPL_DAG_LIFETIME 3
#endif /* RPL_CONF_DAG_LIFETIME */
/*
*
*/
#ifndef RPL_CONF_DAO_SPECIFY_DAG
#if RPL_MAX_DAG_PER_INSTANCE > 1
#define RPL_DAO_SPECIFY_DAG 1
#else
#define RPL_DAO_SPECIFY_DAG 0
#endif /* RPL_MAX_DAG_PER_INSTANCE > 1 */
#else
#define RPL_DAO_SPECIFY_DAG RPL_CONF_DAO_SPECIFY_DAG
#endif /* RPL_CONF_DAO_SPECIFY_DAG */
/*
* The DIO interval (n) represents 2^n ms.
*
* According to the specification, the default value is 3 which
* means 8 milliseconds. That is far too low when using duty cycling
* with wake-up intervals that are typically hundreds of milliseconds.
* ContikiRPL thus sets the default to 2^12 ms = 4.096 s.
*/
#ifdef RPL_CONF_DIO_INTERVAL_MIN
#define RPL_DIO_INTERVAL_MIN RPL_CONF_DIO_INTERVAL_MIN
#else
#define RPL_DIO_INTERVAL_MIN 12
#endif
/*
* Maximum amount of timer doublings.
*
* The maximum interval will by default be 2^(12+8) ms = 1048.576 s.
* RFC 6550 suggests a default value of 20, which of course would be
* unsuitable when we start with a minimum interval of 2^12.
*/
#ifdef RPL_CONF_DIO_INTERVAL_DOUBLINGS
#define RPL_DIO_INTERVAL_DOUBLINGS RPL_CONF_DIO_INTERVAL_DOUBLINGS
#else
#define RPL_DIO_INTERVAL_DOUBLINGS 8
#endif
/*
* DIO redundancy. To learn more about this, see RFC 6206.
*
* RFC 6550 suggests a default value of 10. It is unclear what the basis
* of this suggestion is. Network operators might attain more efficient
* operation by tuning this parameter for specific deployments.
*/
#ifdef RPL_CONF_DIO_REDUNDANCY
#define RPL_DIO_REDUNDANCY RPL_CONF_DIO_REDUNDANCY
#else
#define RPL_DIO_REDUNDANCY 10
#endif
/*
* Default route lifetime unit. This is the granularity of time
* used in RPL lifetime values, in seconds.
*/
#ifndef RPL_CONF_DEFAULT_LIFETIME_UNIT
#define RPL_DEFAULT_LIFETIME_UNIT 60
#else
#define RPL_DEFAULT_LIFETIME_UNIT RPL_CONF_DEFAULT_LIFETIME_UNIT
#endif
/*
* Default route lifetime as a multiple of the lifetime unit.
*/
#ifndef RPL_CONF_DEFAULT_LIFETIME
#define RPL_DEFAULT_LIFETIME 30
#else
#define RPL_DEFAULT_LIFETIME RPL_CONF_DEFAULT_LIFETIME
#endif
/*
* DAG preference field
*/
#ifdef RPL_CONF_PREFERENCE
#define RPL_PREFERENCE RPL_CONF_PREFERENCE
#else
#define RPL_PREFERENCE 0
#endif
/*
* RPL DAO ACK support. When enabled, DAO ACK will be sent and requested.
* This will also enable retransmission of DAO when no ack is received.
* */
#ifdef RPL_CONF_WITH_DAO_ACK
#define RPL_WITH_DAO_ACK RPL_CONF_WITH_DAO_ACK
#else
#define RPL_WITH_DAO_ACK 0
#endif /* RPL_CONF_WITH_DAO_ACK */
/*
* RPL REPAIR ON DAO NACK. When enabled, DAO NACK will trigger a local
* repair in order to quickly find a new parent to send DAO's to.
* NOTE: this is too agressive in some cases so use with care.
* */
#ifdef RPL_CONF_RPL_REPAIR_ON_DAO_NACK
#define RPL_REPAIR_ON_DAO_NACK RPL_CONF_RPL_REPAIR_ON_DAO_NACK
#else
#define RPL_REPAIR_ON_DAO_NACK 0
#endif /* RPL_CONF_RPL_REPAIR_ON_DAO_NACK */
/*
* Setting the DIO_REFRESH_DAO_ROUTES will make the RPL root always
* increase the DTSN (Destination Advertisement Trigger Sequence Number)
* when sending multicast DIO. This is to get all children to re-register
* their DAO route. This is needed when DAO-ACK is not enabled to add
* reliability to route maintenance.
* */
#ifdef RPL_CONF_DIO_REFRESH_DAO_ROUTES
#define RPL_DIO_REFRESH_DAO_ROUTES RPL_CONF_DIO_REFRESH_DAO_ROUTES
#else
#define RPL_DIO_REFRESH_DAO_ROUTES 1
#endif /* RPL_CONF_DIO_REFRESH_DAO_ROUTES */
/*
* RPL probing. When enabled, probes will be sent periodically to keep
* parent link estimates up to date.
*/
#ifdef RPL_CONF_WITH_PROBING
#define RPL_WITH_PROBING RPL_CONF_WITH_PROBING
#else
#define RPL_WITH_PROBING 1
#endif
/*
* RPL probing interval.
*/
#ifdef RPL_CONF_PROBING_INTERVAL
#define RPL_PROBING_INTERVAL RPL_CONF_PROBING_INTERVAL
#else
#define RPL_PROBING_INTERVAL (120 * CLOCK_SECOND)
#endif
/*
* Function used to select the next parent to be probed.
*/
#ifdef RPL_CONF_PROBING_SELECT_FUNC
#define RPL_PROBING_SELECT_FUNC RPL_CONF_PROBING_SELECT_FUNC
#else
#define RPL_PROBING_SELECT_FUNC get_probing_target
#endif
/*
* Function used to send RPL probes.
* To probe with DIO, use:
* #define RPL_CONF_PROBING_SEND_FUNC(instance, addr) dio_output((instance), (addr))
* To probe with DIS, use:
* #define RPL_CONF_PROBING_SEND_FUNC(instance, addr) dis_output((addr))
* Any other custom probing function is also acceptable.
*/
#ifdef RPL_CONF_PROBING_SEND_FUNC
#define RPL_PROBING_SEND_FUNC RPL_CONF_PROBING_SEND_FUNC
#else
#define RPL_PROBING_SEND_FUNC(instance, addr) dio_output((instance), (addr))
#endif
/*
* Function used to calculate next RPL probing interval
*/
#ifdef RPL_CONF_PROBING_DELAY_FUNC
#define RPL_PROBING_DELAY_FUNC RPL_CONF_PROBING_DELAY_FUNC
#else
#define RPL_PROBING_DELAY_FUNC get_probing_delay
#endif
/*
* Interval of DIS transmission
*/
#ifdef RPL_CONF_DIS_INTERVAL
#define RPL_DIS_INTERVAL RPL_CONF_DIS_INTERVAL
#else
#define RPL_DIS_INTERVAL 60
#endif
/*
* Added delay of first DIS transmission after boot
*/
#ifdef RPL_CONF_DIS_START_DELAY
#define RPL_DIS_START_DELAY RPL_CONF_DIS_START_DELAY
#else
#define RPL_DIS_START_DELAY 5
#endif
#endif /* RPL_CONF_H */