diff --git a/interface.c b/interface.c
index 1231db96..7909a5ee 100644
--- a/interface.c
+++ b/interface.c
@@ -6,6 +6,11 @@
  */
 #include "interface.h"
 
+const char *interface_label(struct interface *iface)
+{
+	return iface->ts_label;
+}
+
 const char *interface_name(struct interface *iface)
 {
 	return iface->name;
diff --git a/interface.h b/interface.h
index 94d5b8fd..89f3e94b 100644
--- a/interface.h
+++ b/interface.h
@@ -24,6 +24,15 @@ struct interface {
 	struct sk_ts_info ts_info;
 };
 
+/**
+ * Obtain the time stamping label of a network interface.  This can be
+ * different from the name of the interface when bonding is in effect.
+ *
+ * @param iface  The interface of interest.
+ * @return       The time stamping device name of the network interface.
+ */
+const char *interface_label(struct interface *iface);
+
 /**
  * Obtains the name of a network interface.
  * @param iface  The interface of interest.