diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 62d8bda..1912133 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -69,8 +69,12 @@
 	u16			flags;
 	int (*receive)(struct sk_buff *skb);
 	int (*forward)(struct net_device *dev, struct sk_buff *skb);
+	/* This array tracks active taps. */
 	struct macvtap_queue	*taps[MAX_MACVTAP_QUEUES];
+	/* This list tracks all taps (both enabled and disabled) */
+	struct list_head	queue_list;
 	int			numvtaps;
+	int			numqueues;
 	int			minor;
 };