link-stat: increase penalty applied in case of no-ack
/* ETX fixed point divisor. 128 is the value used by RPL (RFC 6551 and RFC 6719) */
#define ETX_DIVISOR LINK_STATS_ETX_DIVISOR
/* Number of Tx used to update the ETX EWMA in case of no-ACK */
-#define ETX_NOACK_PENALTY 16
+#define ETX_NOACK_PENALTY 20
/* Initial ETX value */
#define ETX_DEFAULT 2
