+ /* rx filter */
+ unsigned int rx_filter;
+
+ /* rx statistics */
+ unsigned int rx_total;
+ unsigned int rx_overruns;
+
+#ifdef CONFIG_CARL9170FW_TX_AMPDU
+ /* tx aggregate scheduling */
+ struct carl9170_tx_superframe *ampdu_prev[__AR9170_NUM_TX_QUEUES];
+#endif /* CONFIG_CARL9170FW_TX_AMPDU */
+