diff --git a/core/net/rime/channel-assignments.h b/core/net/rime/channel-assignments.h
new file mode 100644
index 000000000..60d1c21ac
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+++ b/core/net/rime/channel-assignments.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2007, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: channel-assignments.h,v 1.1 2007/03/14 00:27:36 adamdunkels Exp $
+ */
+
+/**
+ * \file
+ *         A brief description of what this file is.
+ * \author
+ *         Adam Dunkels <adam@sics.se>
+ */
+
+#ifndef __CHANNEL_ASSIGNMENTS_H__
+#define __CHANNEL_ASSIGNMENTS_H__
+
+#define CHANNEL_TREEROUTE_META 16
+#define CHANNEL_TREEROUTE_DATA 17
+
+#define CHANNEL_MESHROUTE_RREQ 18
+#define CHANNEL_MESHROUTE_RREP 19
+#define CHANNEL_MESHROUTE_DATA 20
+
+#endif /* __CHANNEL_ASSIGNMENTS_H__ */