diff --git a/lib/bluetooth.h b/lib/bluetooth.h
index 0541842..0fc4508 100644
--- a/lib/bluetooth.h
+++ b/lib/bluetooth.h
@@ -222,6 +222,11 @@ typedef struct {
 	uint8_t b[6];
 } __attribute__((packed)) bdaddr_t;
 
+/* BD Address type */
+#define BDADDR_BREDR           0x00
+#define BDADDR_LE_PUBLIC       0x01
+#define BDADDR_LE_RANDOM       0x02
+
 #define BDADDR_ANY   (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
 #define BDADDR_ALL   (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
 #define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
diff --git a/lib/l2cap.h b/lib/l2cap.h
index 5806aaa..5ce94c4 100644
--- a/lib/l2cap.h
+++ b/lib/l2cap.h
@@ -43,6 +43,7 @@ struct sockaddr_l2 {
 	unsigned short	l2_psm;
 	bdaddr_t	l2_bdaddr;
 	unsigned short	l2_cid;
+	uint8_t		l2_bdaddr_type;
 };
 
 /* L2CAP socket options */