ipv4: fix nexthop attlen check in fib_nh_match
[pandora-kernel.git] / net / mac80211 / status.c
index aa06dca..89290e3 100644 (file)
@@ -3,6 +3,7 @@
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
  * Copyright 2008-2010 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2013-2014  Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -537,6 +538,8 @@ static void ieee80211_tx_latency_end_msrmnt(struct ieee80211_local *local,
  *  - current throughput (higher value for higher tpt)?
  */
 #define STA_LOST_PKT_THRESHOLD 50
+#define STA_LOST_TDLS_PKT_THRESHOLD    10
+#define STA_LOST_TDLS_PKT_TIME         (10*HZ) /* 10secs since last ACK */
 
 static void ieee80211_lost_packet(struct sta_info *sta, struct sk_buff *skb)
 {
@@ -547,7 +550,20 @@ static void ieee80211_lost_packet(struct sta_info *sta, struct sk_buff *skb)
            !(info->flags & IEEE80211_TX_STAT_AMPDU))
                return;
 
-       if (++sta->lost_packets < STA_LOST_PKT_THRESHOLD)
+       sta->lost_packets++;
+       if (!sta->sta.tdls && sta->lost_packets < STA_LOST_PKT_THRESHOLD)
+               return;
+
+       /*
+        * If we're in TDLS mode, make sure that all STA_LOST_TDLS_PKT_THRESHOLD
+        * of the last packets were lost, and that no ACK was received in the
+        * last STA_LOST_TDLS_PKT_TIME ms, before triggering the CQM packet-loss
+        * mechanism.
+        */
+       if (sta->sta.tdls &&
+           (sta->lost_packets < STA_LOST_TDLS_PKT_THRESHOLD ||
+            time_before(jiffies,
+                        sta->last_tdls_pkt_time + STA_LOST_TDLS_PKT_TIME)))
                return;
 
        cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
@@ -694,6 +710,10 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
                        if (info->flags & IEEE80211_TX_STAT_ACK) {
                                if (sta->lost_packets)
                                        sta->lost_packets = 0;
+
+                               /* Track when last TDLS packet was ACKed */
+                               if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
+                                       sta->last_tdls_pkt_time = jiffies;
                        } else {
                                ieee80211_lost_packet(sta, skb);
                        }