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Allow rpl default route lifetime to be infinite

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This commit is contained in:
Laurent Deru 2014-09-10 16:56:53 +02:00
parent a32598f658
commit fc8415e1ad
2 changed files with 18 additions and 3 deletions
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16
core/net/rpl/rpl-conf.h
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@ -105,6 +105,22 @@
#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 0
#endif /* RPL_CONF_DEFAULT_ROUTE_INFINITE_LIFETIME */
/*
*
*/