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Merge pull request #406 from cetic/hotfix-rplroot-discard-dio

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Drop incoming DIO when RPL Root
This commit is contained in:
Nicolas Tsiftes 2013-11-15 07:38:00 -08:00
commit 90d39095f8
1 changed files with 5 additions and 0 deletions
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5
core/net/rpl/rpl-dag.c
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@ -1173,6 +1173,11 @@ rpl_process_dio(uip_ipaddr_t *from, rpl_dio_t *dio)
return;
}
if(instance->current_dag->rank == ROOT_RANK(instance) && instance->current_dag != dag) {
PRINTF("RPL: Root ignored DIO for different DAG\n");
return;
}
if(dag == NULL) {
PRINTF("RPL: Adding new DAG to known instance.\n");
rpl_add_dag(from, dio);