6 files changed, 8 insertions, 7 deletions

diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index b42052b47d8e..e5ac04739bcc 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -5355,7 +5355,7 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
         if (changes & BSS_CHANGED_ASSOC) {
                 D_MAC80211("ASSOC %d\n", bss_conf->assoc);
                 if (bss_conf->assoc) {
-                        il->timestamp = bss_conf->timestamp;
+                        il->timestamp = bss_conf->last_tsf;
 
                         if (!il_is_rfkill(il))
                                 il->ops->post_associate(il);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 36909077f994..2e1a31797a9e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -822,7 +822,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 
         if (changes & BSS_CHANGED_ASSOC) {
                 if (bss_conf->assoc) {
-                        priv->timestamp = bss_conf->timestamp;
+                        priv->timestamp = bss_conf->last_tsf;
                         ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
                 } else {
                         /*
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index d7c0f86c9e43..293676bfa571 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -102,7 +102,7 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 
         /* Update the AID, this is needed for dynamic PS support */
         rt2x00dev->aid = bss_conf->assoc ? bss_conf->aid : 0;
-        rt2x00dev->last_beacon = bss_conf->timestamp;
+        rt2x00dev->last_beacon = bss_conf->last_tsf;
 
         /* Update global beacon interval time, this is needed for PS support */
         rt2x00dev->beacon_int = bss_conf->beacon_int;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 44e4dfcb5722..9a012be615ff 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -229,7 +229,8 @@ enum ieee80211_rssi_event {
  *      valid in station mode only while @assoc is true and if also
  *      requested by %IEEE80211_HW_NEED_DTIM_PERIOD (cf. also hw conf
  *      @ps_dtim_period)
- * @timestamp: beacon timestamp
+ * @last_tsf: last beacon's/probe response's TSF timestamp (could be old
+ *      as it may have been received during scanning long ago)
  * @beacon_int: beacon interval
  * @assoc_capability: capabilities taken from assoc resp
  * @basic_rates: bitmap of basic rates, each bit stands for an
@@ -276,7 +277,7 @@ struct ieee80211_bss_conf {
         u8 dtim_period;
         u16 beacon_int;
         u16 assoc_capability;
-        u64 timestamp;
+        u64 last_tsf;
         u32 basic_rates;
         int mcast_rate[IEEE80211_NUM_BANDS];
         u16 ht_operation_mode;
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 7034209ad3f4..21d6f5290a1c 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -296,7 +296,7 @@ TRACE_EVENT(drv_bss_info_changed,
                 __entry->dtimper = info->dtim_period;
                 __entry->bcnint = info->beacon_int;
                 __entry->assoc_cap = info->assoc_capability;
-                __entry->timestamp = info->timestamp;
+                __entry->timestamp = info->last_tsf;
                 __entry->basic_rates = info->basic_rates;
                 __entry->enable_beacon = info->enable_beacon;
                 __entry->ht_operation_mode = info->ht_operation_mode;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 39c13939008b..90d1db36cdef 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1318,7 +1318,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
         bss_info_changed |= BSS_CHANGED_ASSOC;
         /* set timing information */
         bss_conf->beacon_int = cbss->beacon_interval;
-        bss_conf->timestamp = cbss->tsf;
+        bss_conf->last_tsf = cbss->tsf;
 
         bss_info_changed |= BSS_CHANGED_BEACON_INT;
         bss_info_changed |= ieee80211_handle_bss_capability(sdata,