diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 17c5c88..037b4e4 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -826,6 +826,8 @@
  *	the hardware should not be configured to receive on this antenna.
  *	For a more detailed descripton see @NL80211_ATTR_WIPHY_ANTENNA_TX.
  *
+ * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -998,6 +1000,8 @@
 	NL80211_ATTR_WIPHY_ANTENNA_TX,
 	NL80211_ATTR_WIPHY_ANTENNA_RX,
 
+	NL80211_ATTR_MCAST_RATE,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,