diff --git a/monitor/l2cap.c b/monitor/l2cap.c
index c659776..8373b0c 100644
--- a/monitor/l2cap.c
+++ b/monitor/l2cap.c
@@ -416,6 +416,42 @@ static void l2cap_ctrl_ext_parse(struct l2cap_frame *frame, uint32_t ctrl)
 		printf(" F-bit");
 }
 
+static void l2cap_ctrl_parse(struct l2cap_frame *frame, uint32_t ctrl)
+{
+	printf("      %s:",
+			ctrl & L2CAP_CTRL_FRAME_TYPE ? "S-frame" : "I-frame");
+
+	if (ctrl & 0x01) {
+		printf(" %s",
+			supervisory2str((ctrl & L2CAP_CTRL_SUPERVISE_MASK) >>
+						L2CAP_CTRL_SUPER_SHIFT));
+
+		if (ctrl & L2CAP_CTRL_POLL)
+			printf(" P-bit");
+	} else {
+		uint8_t sar;
+
+		sar = (ctrl & L2CAP_CTRL_SAR_MASK) >> L2CAP_CTRL_SAR_SHIFT;
+		printf(" %s", sar2str(sar));
+		if (sar == L2CAP_SAR_START) {
+			uint16_t len;
+
+			if (!l2cap_frame_get_le16(frame, &len))
+				return;
+
+			printf(" (len %d)", len);
+		}
+		printf(" TxSeq %d", (ctrl & L2CAP_CTRL_TXSEQ_MASK) >>
+						L2CAP_CTRL_TXSEQ_SHIFT);
+	}
+
+	printf(" ReqSeq %d", (ctrl & L2CAP_CTRL_REQSEQ_MASK) >>
+						L2CAP_CTRL_REQSEQ_SHIFT);
+
+	if (ctrl & L2CAP_CTRL_FINAL)
+		printf(" F-bit");
+}
+
 #define MAX_INDEX 16
 
 struct index_data {
@@ -2907,6 +2943,8 @@ static void l2cap_frame(uint16_t index, bool in, uint16_t handle,
 						" [PSM %d mode %d] {chan %d}",
 						cid, size, ctrl16, frame.psm,
 						frame.mode, frame.chan);
+
+				l2cap_ctrl_parse(&frame, ctrl16);
 			}
 
 			printf("\n");