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Refuse to allocate more parents for a specific DAG when the per-DAG limit has been reached.

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This commit is contained in:
nvt 2012-04-17 22:59:42 +02:00
parent d3fee514b3
commit ed37e983f6
1 changed files with 4 additions and 0 deletions
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4
core/net/rpl/rpl-dag.c
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@ -469,6 +469,10 @@ rpl_add_parent(rpl_dag_t *dag, rpl_dio_t *dio, uip_ipaddr_t *addr)
{ {
rpl_parent_t *p; rpl_parent_t *p;
if(RPL_PARENT_COUNT(dag) == RPL_MAX_PARENTS_PER_DAG) {
return NULL;
}
p = memb_alloc(&parent_memb); p = memb_alloc(&parent_memb);
if(p == NULL) { if(p == NULL) {
RPL_STAT(rpl_stats.mem_overflows++); RPL_STAT(rpl_stats.mem_overflows++);