__u8 bmCapabilities;
} __attribute__ ((packed));
+/* capabilities from 5.2.3.3 */
+
+#define USB_CDC_COMM_FEATURE 0x01
+#define USB_CDC_CAP_LINE 0x02
+#define USB_CDC_CAP_BRK 0x04
+#define USB_CDC_CAP_NOTIFY 0x08
+
/* "Union Functional Descriptor" from CDC spec 5.2.3.8 */
struct usb_cdc_union_desc {
__u8 bLength;