diff --git a/drivers/net/mmnif.c b/drivers/net/mmnif.c
index 1420a3cd..2d9beffa 100644
--- a/drivers/net/mmnif.c
+++ b/drivers/net/mmnif.c
@@ -111,10 +111,18 @@ typedef struct mm_rx_buffer
 	/* memory rx buffer build
 	 * - queued : how many packets are in the queue
 	 * - pos : which is the next packet to be worked on
-	 * - data is following this header
+	 * 
+	 * Note: this section will soon be complexer.
+	 * I won't use a single buffer the whole time. I think i will use an descripor table
+	 * and a table which descriptor is in use and use the buffer space dynamically with 
+	 * descriptors
+	 * 
+	 * And this buffer needs a lock as soon as more as cores are availible =/
 	 */
 	uint8_t			queued;
 	uint8_t			pos;
+//	void*			rx_desc[MMNIF_CORES * MMNIF_RX_QUEUELEN];
+//	uint8_t			rx_inuse[MMNIF_CORES * MMNIF_RX_QUEUELEN]; /* bits 1: pending 2: finished 3: free ...*/
 //	uint8_t			fin;
 //	uint8_t*		data[MMNIF_RX_QUEUELEN];
 } mm_rx_buffer_t;
@@ -378,7 +386,7 @@ uint8_t mmnif_get_destination(struct netif* netif, struct pbuf* p)
 	core = addr[0];
 
 	/* check if the address is legitimata else return router core again */
-	if ((core) < 1 || (core > 48)) 
+	if ((core) < 1 || (core > MMNIF_CORES)) 
 		core  = 1;
 
 	return core;
@@ -842,6 +850,11 @@ int mmnif_close()
 	/* indicate that the driver is not active anymore 
 	 * - this will stop the polling thread i.e.
 	 */
+
+	/* resources has to be freed here
+	 * will be added soon ;)
+	 */
+
 	active = FALSE;
 	return NULL;
 }