diff --git a/pkg/ccn-lite/ccn-lite-riot.h b/pkg/ccn-lite/ccn-lite-riot.h
index c9c25acfae..052b25a6b9 100644
--- a/pkg/ccn-lite/ccn-lite-riot.h
+++ b/pkg/ccn-lite/ccn-lite-riot.h
@@ -144,8 +144,15 @@ extern struct ccnl_relay_s ccnl_relay;
 /**
  * @brief Function pointer type for local producer function
  */
-typedef int (*ccnl_producer_func)(struct ccnl_relay_s *relay, struct
-                                  ccnl_face_s *from, struct ccnl_pkt_s *pkt);
+typedef int (*ccnl_producer_func)(struct ccnl_relay_s *relay,
+                                  struct ccnl_face_s *from,
+                                  struct ccnl_pkt_s *pkt);
+
+/**
+ * @brief Function pointer type for caching strategy function
+ */
+typedef int (*ccnl_cache_strategy_func)(struct ccnl_relay_s *relay,
+                                        struct ccnl_content_s *c);
 
 /**
  * @brief   Start the main CCN-Lite event-loop
@@ -229,6 +236,21 @@ void ccnl_fib_show(struct ccnl_relay_s *relay);
  */
 void ccnl_set_local_producer(ccnl_producer_func func);
 
+/**
+ * @brief Set a function to control the caching strategy
+ *
+ * The given function will be called if the cache is full and a new content
+ * chunk arrives. It shall remove (at least) one entry from the cache.
+ *
+ * If the return value of @p func is 0, the default caching strategy will be
+ * applied by the CCN-lite stack. If the return value is 1, it is assumed that
+ * (at least) one entry has been removed from the cache.
+ *
+ * @param[in] func  The function to be called for an incoming content chunk if
+ *                  the cache is full.
+ */
+void ccnl_set_cache_strategy_remove(ccnl_cache_strategy_func func);
+
 #ifdef __cplusplus
 }
 #endif