mac80211: add station aid into ieee80211_tx_control

This patch is necessary for the upcoming Accesspoint patch for p54.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 01b3215..999f970 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -302,6 +302,7 @@
 	u8 iv_len;		/* length of the IV field in octets */
 	u8 queue;		/* hardware queue to use for this frame;
 				 * 0 = highest, hw->queues-1 = lowest */
+	u16 aid;		/* Station AID */
 	int type;	/* internal */
 };
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 80f4343..ea3fa0f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -741,6 +741,7 @@
 	}
 
 	if (tx->sta) {
+		control->aid = tx->sta->aid;
 		tx->sta->tx_packets++;
 		tx->sta->tx_fragments++;
 		tx->sta->tx_bytes += tx->skb->len;