--- include/net/mac80211.h

+++ include/net/mac80211.h

@@ -1700,6 +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

*