--- /dev/null
+/*
+ * Copyright (c) 2013 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+#ifndef _IPMONITOR_CONTROL_H
+#define _IPMONITOR_CONTROL_H
+/*
+ * IPMonitorControl.h
+ * - IPC channel to IPMonitor
+ * - used to create interface rank assertions
+ */
+
+/*
+ * Modification History
+ *
+ * December 16, 2013 Dieter Siegmund (dieter@apple.com)
+ * - initial revision
+ */
+
+#include <SystemConfiguration/SCNetworkConfigurationPrivate.h>
+
+struct IPMonitorControl;
+typedef struct IPMonitorControl * IPMonitorControlRef;
+
+IPMonitorControlRef
+IPMonitorControlCreate(void);
+
+Boolean
+IPMonitorControlSetInterfacePrimaryRank(IPMonitorControlRef control,
+ CFStringRef ifname,
+ SCNetworkServicePrimaryRank rank);
+
+SCNetworkServicePrimaryRank
+IPMonitorControlGetInterfacePrimaryRank(IPMonitorControlRef control,
+ CFStringRef ifname);
+
+#endif /* _IPMONITOR_CONTROL_H */