1 files changed, 4 insertions, 1 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 604d738a2128..851a5e19ae32 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3378,6 +3378,8 @@ enum ieee80211_reconfig_type {
  *      frame in case that no beacon was heard from the AP/P2P GO.
  *      The callback will be called before each transmission and upon return
  *      mac80211 will transmit the frame right away.
+ *      If duration is greater than zero, mac80211 hints to the driver the
+ *      duration for which the operation is requested.
  *      The callback is optional and can (should!) sleep.
  *
  * @mgd_protect_tdls_discover: Protect a TDLS discovery session. After sending
@@ -3697,7 +3699,8 @@ struct ieee80211_ops {
                                   u32 sset, u8 *data);
 
         void    (*mgd_prepare_tx)(struct ieee80211_hw *hw,
-                                  struct ieee80211_vif *vif);
+                                  struct ieee80211_vif *vif,
+                                  u16 duration);
 
         void    (*mgd_protect_tdls_discover)(struct ieee80211_hw *hw,
                                              struct ieee80211_vif *vif);