diff --git a/src/libs/compat/freebsd_network/compat/dev/usb/usbdi.h b/src/libs/compat/freebsd_network/compat/dev/usb/usbdi.h
index c5f816e75a..bfeb0b2165 100644
--- a/src/libs/compat/freebsd_network/compat/dev/usb/usbdi.h
+++ b/src/libs/compat/freebsd_network/compat/dev/usb/usbdi.h
@@ -391,6 +391,7 @@ void	usbd_xfer_set_priv(struct usb_xfer* xfer, void* ptr);
 uint8_t	usbd_xfer_state(struct usb_xfer *xfer);
 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer);
 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *, usb_frcount_t);
+void*	usbd_xfer_get_frame_buffer(struct usb_xfer *xfer, usb_frcount_t frindex);
 void	usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n);
 void	usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex,
 		void *ptr, usb_frlength_t len);
diff --git a/src/libs/compat/freebsd_network/usb.cpp b/src/libs/compat/freebsd_network/usb.cpp
index 4be2c0e1b8..4c1a34dace 100644
--- a/src/libs/compat/freebsd_network/usb.cpp
+++ b/src/libs/compat/freebsd_network/usb.cpp
@@ -545,6 +545,13 @@ usbd_xfer_get_frame(struct usb_xfer* xfer, usb_frcount_t frindex)
 }
 
 
+extern "C" void *
+usbd_xfer_get_frame_buffer(struct usb_xfer *xfer, usb_frcount_t frindex)
+{
+	return usbd_xfer_get_frame(xfer, frindex)->buffer;
+}
+
+
 extern "C" void
 usbd_frame_zero(struct usb_page_cache* cache,
 	usb_frlength_t offset, usb_frlength_t len)