Index: abi/include/abi/ipc/interfaces.h
===================================================================
--- abi/include/abi/ipc/interfaces.h	(revision 1a522e57d9537cb70147e25d17371059a980095e)
+++ abi/include/abi/ipc/interfaces.h	(revision 78bb04b92e09ae2a1fde3ea5b10390585614d400)
@@ -80,5 +80,9 @@
 typedef enum {
 	INTERFACE_LOADER =
-	    FOURCC_COMPACT('l', 'o', 'a', 'd') | IFACE_EXCHANGE_PARALLEL
+	    FOURCC_COMPACT('l', 'o', 'a', 'd') | IFACE_EXCHANGE_PARALLEL,
+	INTERFACE_TCP_CB =
+	    FOURCC_COMPACT('t', 'c', 'p', ' ') | IFACE_EXCHANGE_SERIALIZE | IFACE_MOD_CALLBACK,
+	INTERFACE_UDP_CB =
+	    FOURCC_COMPACT('u', 'd', 'p', ' ') | IFACE_EXCHANGE_SERIALIZE | IFACE_MOD_CALLBACK
 } iface_t;