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As RPL Root, drop an incoming DIO from the same instance but different DAG

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Laurent Deru 2013-11-08 15:41:24 +01:00 • committed by Sébastien Dawans
parent a6227e1e3e
commit fd97136fee
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; 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) { if(dag == NULL) {
PRINTF("RPL: Adding new DAG to known instance.\n"); PRINTF("RPL: Adding new DAG to known instance.\n");
rpl_add_dag(from, dio); rpl_add_dag(from, dio);