diff --git a/sys/net80211/ieee80211_freebsd.h b/sys/net80211/ieee80211_freebsd.h
--- a/sys/net80211/ieee80211_freebsd.h
+++ b/sys/net80211/ieee80211_freebsd.h
@@ -73,6 +73,8 @@
 	mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED)
 #define	IEEE80211_UNLOCK_ASSERT(_ic) \
 	mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED)
+#define	IEEE80211_IS_LOCKED(_ic) \
+	mtx_owned(IEEE80211_LOCK_OBJ(_ic))
 
 /*
  * Transmit lock.