Index: uspace/lib/usb/include/usb/pipes.h
===================================================================
--- uspace/lib/usb/include/usb/pipes.h	(revision cd50486158e5bc74cdda1e5e50767805768abfb3)
+++ uspace/lib/usb/include/usb/pipes.h	(revision 25971d214bc12404db3978b7ab9c554b19eddaec)
@@ -74,4 +74,7 @@
 	usb_direction_t direction;
 
+	/** Maximum packet size for the endpoint. */
+	size_t max_packet_size;
+
 	/** Phone to the host controller.
 	 * Negative when no session is active.
@@ -118,5 +121,5 @@
 int usb_endpoint_pipe_initialize(usb_endpoint_pipe_t *,
     usb_device_connection_t *,
-    usb_endpoint_t, usb_transfer_type_t, usb_direction_t);
+    usb_endpoint_t, usb_transfer_type_t, size_t, usb_direction_t);
 int usb_endpoint_pipe_initialize_default_control(usb_endpoint_pipe_t *,
     usb_device_connection_t *);