RPL: trace new preferred parent

Jarkko Paso · Jarkko Paso · commit 92d3a92eee4a · 2019-06-17T22:25:34.000+03:00
diff --git a/source/RPL/rpl_upward.c b/source/RPL/rpl_upward.c
@@ -1407,6 +1407,9 @@ 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

Original file line number	Diff line number	Diff line change
`@@ -1407,6 +1407,9 @@ void rpl_instance_run_parent_selection(rpl_instance_t *instance)`
`1407`	`1407`
`1408`	`1408`	`if (original_preferred != preferred_parent) {`
`1409`	`1409`	`protocol_stats_update(STATS_RPL_PARENT_CHANGE, 1);`
	`1410`	`+ if (preferred_parent) {`
	`1411`	`+ tr_debug("New preferred parent %s", trace_array(preferred_parent->ll_address, 16));`
	`1412`	`+ }`
`1410`	`1413`	`}`
`1411`	`1414`
`1412`	`1415`	`// Sets new preferred parent`