openwrtv4/package/mac80211/patches/520-driver_flags.patch

--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -386,14 +386,17 @@ struct ieee80211_tx_rate {
  * @flags: transmit info flags, defined above
  * @band: the band to transmit on (use for checking for races)
  * @antenna_sel_tx: antenna to use, 0 for automatic diversity
+ * @driver_flags: flags for internal driver use
  * @pad: padding, ignore
  * @control: union for control data
  * @status: union for status data
  * @driver_data: array of driver_data pointers
- * @ampdu_ack_len: number of aggregated frames.
- * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * @ampdu_ack_len: number of acked aggregated frames.
+ * 	relevant only if ieee80211_tx_status_ampdu was set.
  * @ampdu_ack_map: block ack bit map for the aggregation.
  * 	relevant only if IEEE80211_TX_STATUS_AMPDU was set.
+ * @ampdu_len: number of aggregated frames.
+ * 	relevant only if ieee80211_tx_status_ampdu was set.
  * @ack_signal: signal strength of the ACK frame
  */
 struct ieee80211_tx_info {
@@ -403,8 +406,8 @@ struct ieee80211_tx_info {
 
 	u8 antenna_sel_tx;
 
-	/* 2 byte hole */
-	u8 pad[2];
+	u8 driver_flags;
+	u8 pad;
 
 	union {
 		struct {
@@ -428,7 +431,8 @@ struct ieee80211_tx_info {
 			u8 ampdu_ack_len;
 			u64 ampdu_ack_map;
 			int ack_signal;
-			/* 8 bytes free */
+			u8 ampdu_len;
+			/* 7 bytes free */
 		} status;
 		struct {
 			struct ieee80211_tx_rate driver_rates[