4 files changed, 16 insertions, 10 deletions

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2a97d668d2da..7998513ec831 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -85,6 +85,8 @@ struct ieee80211_bss {
 	size_t ssid_len;
 	u8 ssid[IEEE80211_MAX_SSID_LEN];
 
+	u32 device_ts;
+
 	u8 dtim_period;
 
 	bool wmm_used;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 4b503ce893d8..4efcbf89a72d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1269,11 +1269,6 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
 
 	bss_info_changed |= BSS_CHANGED_ASSOC;
-	/* set timing information */
-	bss_conf->beacon_int = cbss->beacon_interval;
-	bss_conf->last_tsf = cbss->tsf;
-
-	bss_info_changed |= BSS_CHANGED_BEACON_INT;
 	bss_info_changed |= ieee80211_handle_bss_capability(sdata,
 		bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value);
 
@@ -3135,9 +3130,15 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 
 		memcpy(ifmgd->bssid, cbss->bssid, ETH_ALEN);
 
-		/* tell driver about BSSID and basic rates */
+		/* set timing information */
+		sdata->vif.bss_conf.beacon_int = cbss->beacon_interval;
+		sdata->vif.bss_conf.sync_tsf = cbss->tsf;
+		sdata->vif.bss_conf.sync_device_ts = bss->device_ts;
+
+		/* tell driver about BSSID, basic rates and timing */
 		ieee80211_bss_info_change_notify(sdata,
-			BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES);
+			BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
+			BSS_CHANGED_BEACON_INT);
 
 		if (assoc)
 			sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 1a893f3637c5..e80a8b644aa0 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -83,13 +83,14 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
 
 	cbss = cfg80211_inform_bss_frame(local->hw.wiphy, channel,
 					 mgmt, len, signal, GFP_ATOMIC);
-
 	if (!cbss)
 		return NULL;
 
 	cbss->free_priv = ieee80211_rx_bss_free;
 	bss = (void *)cbss->priv;
 
+	bss->device_ts = rx_status->device_timestamp;
+
 	if (elems->parse_error) {
 		if (beacon)
 			bss->corrupt_data |= IEEE80211_BSS_CORRUPT_BEACON;
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index e1e9d10ec2e7..c6d33b55b2df 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -306,7 +306,8 @@ TRACE_EVENT(drv_bss_info_changed,
 		__field(u8, dtimper)
 		__field(u16, bcnint)
 		__field(u16, assoc_cap)
-		__field(u64, timestamp)
+		__field(u64, sync_tsf)
+		__field(u32, sync_device_ts)
 		__field(u32, basic_rates)
 		__field(u32, changed)
 		__field(bool, enable_beacon)
@@ -325,7 +326,8 @@ 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->last_tsf;
+		__entry->sync_tsf = info->sync_tsf;
+		__entry->sync_device_ts = info->sync_device_ts;
 		__entry->basic_rates = info->basic_rates;
 		__entry->enable_beacon = info->enable_beacon;
 		__entry->ht_operation_mode = info->ht_operation_mode;