--- a/nl80211.h
+++ b/nl80211.h
@@ -1555,6 +1555,9 @@ enum nl80211_commands {
  *	data is in the format defined for the payload of the QoS Map Set element
  *	in IEEE Std 802.11-2012, 8.4.2.97.
  *
+ * @NL80211_ATTR_WIPHY_ANTENNA_GAIN: Configured antenna gain. Used to reduce
+ *	transmit power to stay within regulatory limits. u32, dBi.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1883,6 +1886,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_QOS_MAP,
 
+	NL80211_ATTR_WIPHY_ANTENNA_GAIN,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
@@ -2442,9 +2447,15 @@ enum nl80211_reg_rule_attr {
  * enum nl80211_sched_scan_match_attr - scheduled scan match attributes
  * @__NL80211_SCHED_SCAN_MATCH_ATTR_INVALID: attribute number 0 is reserved
  * @NL80211_SCHED_SCAN_MATCH_ATTR_SSID: SSID to be used for matching,
- * only report BSS with matching SSID.
+ *	only report BSS with matching SSID.
  * @NL80211_SCHED_SCAN_MATCH_ATTR_RSSI: RSSI threshold (in dBm) for reporting a
- *	BSS in scan results. Filtering is turned off if not specified.
+ *	BSS in scan results. Filtering is turned off if not specified. Note that
+ *	if this attribute is in a match set of its own, then it is treated as
+ *	the default value for all matchsets with an SSID, rather than being a
+ *	matchset of its own without an RSSI filter. This is due to problems with
+ *	how this API was implemented in the past. Also, due to the same problem,
+ *	the only way to create a matchset with only an RSSI filter (with this
+ *	attribute) is if there's only a single matchset with the RSSI attribute.
  * @NL80211_SCHED_SCAN_MATCH_ATTR_MAX: highest scheduled scan filter
  *	attribute number currently defined
  * @__NL80211_SCHED_SCAN_MATCH_ATTR_AFTER_LAST: internal use
