1 files changed, 1 insertions, 0 deletions
diff --git a/src/core/socket.h b/src/core/socket.h
index e1046adad4..286397b41c 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -60,6 +60,7 @@ typedef enum SocketType {
         SOCKET_FIFO,
         SOCKET_SPECIAL,
         SOCKET_MQUEUE,
+        SOCKET_USB_FUNCTION,
         _SOCKET_FIFO_MAX,
         _SOCKET_FIFO_INVALID = -1
 } SocketType;