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Add a neighbor table entry if a DAO is received from a node where we don't yet have a neighbor table entry.

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This commit is contained in:
Adam Dunkels 2013-11-20 14:09:11 +01:00
parent 490791eaa4
commit 4e6fe7dda6
3 changed files with 46 additions and 2 deletions
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18
core/net/rpl/rpl-dag.c
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@ -701,8 +701,8 @@ rpl_select_dag(rpl_instance_t *instance, rpl_parent_t *p)
return best_dag;
}
/*---------------------------------------------------------------------------*/
rpl_parent_t *
rpl_select_parent(rpl_dag_t *dag)
static rpl_parent_t *
best_parent(rpl_dag_t *dag)
{
rpl_parent_t *p, *best;
@ -720,6 +720,14 @@ rpl_select_parent(rpl_dag_t *dag)
p = nbr_table_next(rpl_parents, p);
}
return best;
}
/*---------------------------------------------------------------------------*/
rpl_parent_t *
rpl_select_parent(rpl_dag_t *dag)
{
rpl_parent_t *best = best_parent(dag);
if(best != NULL) {
rpl_set_preferred_parent(dag, best);
}
@ -1289,4 +1297,10 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
p->dtsn = dio->dtsn;
}
/*---------------------------------------------------------------------------*/
void
rpl_lock_parent(rpl_parent_t *p)
{
nbr_table_lock(rpl_parents, p);
}
/*---------------------------------------------------------------------------*/
#endif /* UIP_CONF_IPV6 */