Index: uspace/lib/drv/include/usbdiag_iface.h
===================================================================
--- uspace/lib/drv/include/usbdiag_iface.h	(revision fd312d505127e9d7f9046c8ee961d3cb5c51249c)
+++ uspace/lib/drv/include/usbdiag_iface.h	(revision dd365580de997ee59de1bc5fc4e79fc0c647b8b0)
@@ -45,4 +45,6 @@
 async_sess_t *usbdiag_connect(devman_handle_t);
 void usbdiag_disconnect(async_sess_t*);
+int usbdiag_stress_intr_in(async_exch_t*, int, size_t);
+int usbdiag_stress_intr_out(async_exch_t*, int, size_t);
 int usbdiag_stress_bulk_in(async_exch_t*, int, size_t);
 int usbdiag_stress_bulk_out(async_exch_t*, int, size_t);
@@ -50,4 +52,6 @@
 /** USB diagnostic device communication interface. */
 typedef struct {
+	int (*stress_intr_in)(ddf_fun_t*, int, size_t);
+	int (*stress_intr_out)(ddf_fun_t*, int, size_t);
 	int (*stress_bulk_in)(ddf_fun_t*, int, size_t);
 	int (*stress_bulk_out)(ddf_fun_t*, int, size_t);