diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index bfc3ca5..4018ba1 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -759,6 +759,7 @@
 	/* context reservation -- protected with chanctx_mtx */
 	struct ieee80211_chanctx *reserved_chanctx;
 	struct cfg80211_chan_def reserved_chandef;
+	bool reserved_radar_required;
 
 	/* used to reconfigure hardware SM PS */
 	struct work_struct recalc_smps;
@@ -1777,7 +1778,8 @@
 int __must_check
 ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
 			      const struct cfg80211_chan_def *chandef,
-			      enum ieee80211_chanctx_mode mode);
+			      enum ieee80211_chanctx_mode mode,
+			      bool radar_required);
 int __must_check
 ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata,
 				   u32 *changed);