---- a/acx_func.h
-+++ b/acx_func.h
-@@ -335,8 +335,11 @@ void acx_process_rxbuf(acx_device_t *ade
- */
- #if CONFIG_ACX_MAC80211_VERSION < KERNEL_VERSION(2, 6, 39)
- int acx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
--#else
-+#elif CONFIG_ACX_MAC80211_VERSION < KERNEL_VERSION(3, 7, 0)
- void acx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
-+#else
-+void acx_op_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
-+ struct sk_buff *skb);
- #endif