--- include/net/mac80211.h

+++ include/net/mac80211.h

@@ -908,6 +908,9 @@ enum ieee80211_tkip_key_type {

* @IEEE80211_HW_BEACON_FILTER:

* Hardware supports dropping of irrelevant beacon frames to

* avoid waking up cpu.

+ * @IEEE80211_HW_REPORTS_TX_ACK_STATUS:

+ * Hardware can provide ack status reports of Tx frames to

+ * the stack.

*/

enum ieee80211_hw_flags {

IEEE80211_HW_RX_INCLUDES_FCS = 1<<1,

@@ -924,6 +927,7 @@ enum ieee80211_hw_flags {

IEEE80211_HW_SUPPORTS_DYNAMIC_PS = 1<<12,

IEEE80211_HW_MFP_CAPABLE = 1<<13,

IEEE80211_HW_BEACON_FILTER = 1<<14,

+ IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<15,

};

/**

@@ -1696,6 +1700,12 @@ void ieee80211_rx(struct ieee80211_hw *h

*/

void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb);

+/*

+ * The TX headroom reserved by mac80211 for its own tx_status functions.

+ * This is enough for the radiotap header.

+ */

+#define IEEE80211_TX_STATUS_HEADROOM 13

+

/**

* ieee80211_tx_status - transmit status callback

*