Index: uspace/lib/usb/descriptor.h
===================================================================
--- uspace/lib/usb/descriptor.h	(revision 73301a04b2f378b64dab507cd0acf088ce3fc9c3)
+++ uspace/lib/usb/descriptor.h	(revision 08af5a623a5800b0ab77eab5b167487adcdfe5ca)
@@ -49,4 +49,5 @@
 	USB_DESCTYPE_HID_REPORT = 0x22,
 	USB_DESCTYPE_HID_PHYSICAL = 0x23,
+	USB_DESCTYPE_HUB = 0x29,
 	/* USB_DESCTYPE_ = */
 } usb_descriptor_type_t;
Index: uspace/lib/usb/hub.h
===================================================================
--- uspace/lib/usb/hub.h	(revision 08af5a623a5800b0ab77eab5b167487adcdfe5ca)
+++ uspace/lib/usb/hub.h	(revision 08af5a623a5800b0ab77eab5b167487adcdfe5ca)
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2010 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libusb usb
+ * @{
+ */
+/** @file
+ * @brief USB hub related structures.
+ */
+#ifndef LIBUSB_HUB_H_
+#define LIBUSB_HUB_H_
+
+/** Hub class request. */
+typedef enum {
+	USB_HUB_REQUEST_GET_STATUS = 0,
+	USB_HUB_REQUEST_CLEAR_FEATURE = 1,
+	USB_HUB_REQUEST_GET_STATE = 2,
+	USB_HUB_REQUEST_SET_FEATURE = 3,
+	USB_HUB_REQUEST_GET_DESCRIPTOR = 6,
+	USB_HUB_REQUEST_SET_DESCRIPTOR = 7,
+	/* USB_HUB_REQUEST_ = , */
+} usb_hub_class_request_t;
+
+/** Hub class feature selector.
+ * @warning The constants are not unique (feature selectors are used
+ * for hub and port).
+ */
+typedef enum {
+	USB_HUB_FEATURE_C_HUB_LOCAL_POWER = 0,
+	USB_HUB_FEATURE_C_HUB_OVER_CURRENT = 1,
+	USB_HUB_FEATURE_PORT_CONNECTION = 0,
+	USB_HUB_FEATURE_PORT_ENABLE = 1,
+	USB_HUB_FEATURE_PORT_SUSPEND = 2,
+	USB_HUB_FEATURE_PORT_OVER_CURRENT = 3,
+	USB_HUB_FEATURE_PORT_RESET = 4,
+	USB_HUB_FEATURE_PORT_POWER = 8,
+	USB_HUB_FEATURE_PORT_LOW_SPEED = 9,
+	USB_HUB_FEATURE_C_PORT_CONNECTION = 16,
+	USB_HUB_FEATURE_C_PORT_ENABLE = 17,
+	USB_HUB_FEATURE_C_PORT_SUSPEND = 18,
+	USB_HUB_FEATURE_C_PORT_OVER_CURRENT = 19,
+	USB_HUB_FEATURE_C_PORT_RESET = 20,
+	/* USB_HUB_FEATURE_ = , */
+} usb_hub_class_feature_t;
+
+#endif
+/**
+ * @}
+ */