1 files changed, 8 insertions, 2 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7300cb51dd5f..bb86aa6f98dd 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -233,8 +233,10 @@ 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)
- * @last_tsf: last beacon's/probe response's TSF timestamp (could be old
+ * @sync_tsf: last beacon's/probe response's TSF timestamp (could be old
  *      as it may have been received during scanning long ago)
+ * @sync_device_ts: the device timestamp corresponding to the sync_tsf,
+ *      the driver/device can use this to calculate synchronisation
  * @beacon_int: beacon interval
  * @assoc_capability: capabilities taken from assoc resp
  * @basic_rates: bitmap of basic rates, each bit stands for an
@@ -281,7 +283,8 @@ struct ieee80211_bss_conf {
         u8 dtim_period;
         u16 beacon_int;
         u16 assoc_capability;
-        u64 last_tsf;
+        u64 sync_tsf;
+        u32 sync_device_ts;
         u32 basic_rates;
         int mcast_rate[IEEE80211_NUM_BANDS];
         u16 ht_operation_mode;
@@ -696,6 +699,8 @@ enum mac80211_rx_flags {
  *
  * @mactime: value in microseconds of the 64-bit Time Synchronization Function
  *      (TSF) timer when the first data symbol (MPDU) arrived at the hardware.
+ * @device_timestamp: arbitrary timestamp for the device, mac80211 doesn't use
+ *      it but can store it and pass it back to the driver for synchronisation
  * @band: the active band when this frame was received
  * @freq: frequency the radio was tuned to when receiving this frame, in MHz
  * @signal: signal strength when receiving this frame, either in dBm, in dB or
@@ -709,6 +714,7 @@ enum mac80211_rx_flags {
  */
 struct ieee80211_rx_status {
         u64 mactime;
+        u32 device_timestamp;
         u16 flag;
         u16 freq;
         u8 rate_idx;