diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 1b634e1..60a4727 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1320,6 +1320,7 @@
 
 #define HCI_CHANNEL_RAW		0
 #define HCI_CHANNEL_CONTROL	1
+#define HCI_CHANNEL_MONITOR	2
 
 struct hci_filter {
 	unsigned long type_mask;