Index: abi/include/abi/ipc/interfaces.h
===================================================================
--- abi/include/abi/ipc/interfaces.h	(revision d5b37b625566a35b56a2768799f8082882139e67)
+++ abi/include/abi/ipc/interfaces.h	(revision cd0dce32452b1243e5675238fbed1dcf51af4abd)
@@ -206,5 +206,7 @@
 	    FOURCC_COMPACT('s', 's', 't', 'm') | IFACE_EXCHANGE_SERIALIZE,
 	INTERFACE_SYSTEM_CB =
-	    FOURCC_COMPACT('s', 's', 't', 'm') | IFACE_EXCHANGE_SERIALIZE | IFACE_MOD_CALLBACK
+	    FOURCC_COMPACT('s', 's', 't', 'm') | IFACE_EXCHANGE_SERIALIZE | IFACE_MOD_CALLBACK,
+	INTERFACE_PCAP_CONTROL =
+	    FOURCC_COMPACT('p', 'c', 't', 'l') | IFACE_EXCHANGE_SERIALIZE,
 } iface_t;