+#define MAC_MAX 2048
+
+/* Time, in seconds, before expiring a mac_entry due to inactivity. */
+#define MAC_ENTRY_IDLE_TIME 60
+
+/* Time, in seconds, to lock an entry updated by a gratuitous ARP to avoid
+ * relearning based on a reflection from a bond slave. */
+#define MAC_GRAT_ARP_LOCK_TIME 5
+
+enum grat_arp_lock_type {
+ GRAT_ARP_LOCK_NONE,
+ GRAT_ARP_LOCK_SET,
+ GRAT_ARP_LOCK_CHECK
+};