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 */
+
#ifdef CONFIG_CARL9170FW_CAB_QUEUE
/* CAB */
struct dma_queue cab_queue[CARL9170_INTF_NUM];