Merge pull request ARMmbed#2117 from ARMmbed/IOTTHD-3587

RPL: trace new preferred parent
artokin · Jun 18, 2019 · bd51f9f · bd51f9f
2 parents b016d52 + 92d3a92
commit bd51f9f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/source/RPL/rpl_upward.c b/source/RPL/rpl_upward.c
@@ -1415,6 +1415,9 @@ void rpl_instance_run_parent_selection(rpl_instance_t *instance)
 
  if (original_preferred != preferred_parent) {
  protocol_stats_update(STATS_RPL_PARENT_CHANGE, 1);
+ if (preferred_parent) {
+ tr_debug("New preferred parent %s", trace_array(preferred_parent->ll_address, 16));
+ }
  }
 
  // Sets new preferred parent