Merge branch 'master' into for-3.12/upstream

Sync with Linus' tree to be able to apply fixup patch on top
of 9d9a04ee75 ("HID: apple: Add support for the 2013 Macbook Air")

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index adc30045f99e..4208dbd5861f 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -203,6 +203,7 @@ struct tid_ampdu_rx {
  *	driver requested to close until the work for it runs
  * @mtx: mutex to protect all TX data (except non-NULL assignments
  *	to tid_tx[idx], which are protected by the sta spinlock)
+ *	tid_start_tx is also protected by sta->lock.
  */
 struct sta_ampdu_mlme {
 	struct mutex mtx;
@@ -297,6 +298,9 @@ struct sta_ampdu_mlme {
  * @rcu_head: RCU head used for freeing this station struct
  * @cur_max_bandwidth: maximum bandwidth to use for TX to the station,
  *	taken from HT/VHT capabilities or VHT operating mode notification
+ * @chains: chains ever used for RX from this station
+ * @chain_signal_last: last signal (per chain)
+ * @chain_signal_avg: signal average (per chain)
  */
 struct sta_info {
 	/* General information, mostly static */
@@ -344,6 +348,11 @@ struct sta_info {
 	int last_signal;
 	struct ewma avg_signal;
 	int last_ack_signal;
+
+	u8 chains;
+	s8 chain_signal_last[IEEE80211_MAX_CHAINS];
+	struct ewma chain_signal_avg[IEEE80211_MAX_CHAINS];
+
 	/* Plus 1 for non-QoS frames */
 	__le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];