diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index b1b4b14..f75f5d9 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -55,6 +55,7 @@
  * @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame.
  * @WLAN_STA_INSERTED: This station is inserted into the hash table.
  * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station.
+ * @WLAN_STA_TOFFSET_KNOWN: toffset calculated for this station is valid.
  */
 enum ieee80211_sta_info_flags {
 	WLAN_STA_AUTH,
@@ -76,6 +77,7 @@
 	WLAN_STA_4ADDR_EVENT,
 	WLAN_STA_INSERTED,
 	WLAN_STA_RATE_CONTROL,
+	WLAN_STA_TOFFSET_KNOWN,
 };
 
 #define STA_TID_NUM 16
@@ -268,6 +270,7 @@
  * @plink_timeout: timeout of peer link
  * @plink_timer: peer link watch timer
  * @plink_timer_was_running: used by suspend/resume to restore timers
+ * @t_offset: timing offset relative to this host
  * @debugfs: debug filesystem info
  * @dead: set to true when sta is unlinked
  * @uploaded: set to true when sta is uploaded to the driver
@@ -357,6 +360,8 @@
 	enum nl80211_plink_state plink_state;
 	u32 plink_timeout;
 	struct timer_list plink_timer;
+	s64 t_offset;
+	s64 t_offset_setpoint;
 #endif
 
 #ifdef CONFIG_MAC80211_DEBUGFS