diff --git a/lib/libusb/libusb.3 b/lib/libusb/libusb.3
index ffc761b72202..28dff946d5a8 100644
--- a/lib/libusb/libusb.3
+++ b/lib/libusb/libusb.3
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 7, 2012
+.Dd May 7, 2013
 .Dt LIBUSB 3
 .Os
 .Sh NAME
@@ -102,6 +102,15 @@ counter decremented once.
 Returns the number of the bus contained by the device
 .Fa dev .
 .Pp
+.Ft int
+.Fn libusb_get_port_path "libusb_context *ctx" "libusb_device *dev" "uint8_t *buf" "uint8_t bufsize"
+Stores, in the buffer
+.Fa buf
+of size
+.Fa bufsize ,
+the list of all port numbers from root for the device
+.Fa dev .
+.Pp
 .Ft uint8_t
 .Fn libusb_get_device_address "libusb_device *dev"
 Returns the device_address contained by the device
diff --git a/lib/libusb/libusb.h b/lib/libusb/libusb.h
index 52ad914377bc..220a8daf7c90 100644
--- a/lib/libusb/libusb.h
+++ b/lib/libusb/libusb.h
@@ -369,6 +369,7 @@ void	libusb_exit(struct libusb_context *ctx);
 ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
 void	libusb_free_device_list(libusb_device ** list, int unref_devices);
 uint8_t	libusb_get_bus_number(libusb_device * dev);
+int	libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf, uint8_t bufsize);
 uint8_t	libusb_get_device_address(libusb_device * dev);
 enum libusb_speed libusb_get_device_speed(libusb_device * dev);
 int	libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
diff --git a/lib/libusb/libusb10.c b/lib/libusb/libusb10.c
index 021229669119..802bc8a878f8 100644
--- a/lib/libusb/libusb10.c
+++ b/lib/libusb/libusb10.c
@@ -290,6 +290,13 @@ libusb_get_bus_number(libusb_device *dev)
 	return (libusb20_dev_get_bus_number(dev->os_priv));
 }
 
+int
+libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t *buf,
+    uint8_t bufsize)
+{
+	return (libusb20_dev_get_port_path(dev->os_priv, buf, bufsize));
+}
+
 uint8_t
 libusb_get_device_address(libusb_device *dev)
 {