diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 376c574..ee83c36 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -677,6 +677,12 @@
 
 #define HCI_OP_READ_INQ_RSP_TX_POWER	0x0c58
 
+#define HCI_OP_READ_FLOW_CONTROL_MODE	0x0c66
+struct hci_rp_read_flow_control_mode {
+	__u8     status;
+	__u8     mode;
+} __packed;
+
 #define HCI_OP_WRITE_LE_HOST_SUPPORTED	0x0c6d
 struct hci_cp_write_le_host_supported {
 	__u8 le;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index e7b2e25..44f130f 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -170,6 +170,8 @@
 	__u32		amp_max_flush_to;
 	__u32		amp_be_flush_to;
 
+	__u8		flow_ctl_mode;
+
 	unsigned int	auto_accept_delay;
 
 	unsigned long	quirks;