nl80211: Add sta_flags to the station info

Reuse the already existing struct nl80211_sta_flag_update to specify
both, a flag mask and the flag set itself. This means
nl80211_sta_flag_update is now used for setting station flags and also
for getting station flags.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

include/linux/nl80211.h

@@ -1548,6 +1548,7 @@ enum nl80211_sta_bss_param {
  * @NL80211_STA_INFO_BSS_PARAM: current station's view of BSS, nested attribute
  *     containing info as possible, see &enum nl80211_sta_bss_param
  * @NL80211_STA_INFO_CONNECTED_TIME: time since the station is last connected
+ * @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update.
  * @__NL80211_STA_INFO_AFTER_LAST: internal
  * @NL80211_STA_INFO_MAX: highest possible station info attribute
  */
@@ -1569,6 +1570,7 @@ enum nl80211_sta_info {
 	NL80211_STA_INFO_RX_BITRATE,
 	NL80211_STA_INFO_BSS_PARAM,
 	NL80211_STA_INFO_CONNECTED_TIME,
+	NL80211_STA_INFO_STA_FLAGS,
 
 	/* keep last */
 	__NL80211_STA_INFO_AFTER_LAST,

include/net/cfg80211.h

@@ -497,6 +497,7 @@ struct station_parameters {
  * @STATION_INFO_BSS_PARAM: @bss_param filled
  * @STATION_INFO_CONNECTED_TIME: @connected_time filled
  * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
+ * @STATION_INFO_STA_FLAGS: @sta_flags filled
  */
 enum station_info_flags {
 	STATION_INFO_INACTIVE_TIME	= 1<<0,
@@ -516,7 +517,8 @@ enum station_info_flags {
 	STATION_INFO_RX_BITRATE		= 1<<14,
 	STATION_INFO_BSS_PARAM          = 1<<15,
 	STATION_INFO_CONNECTED_TIME	= 1<<16,
-	STATION_INFO_ASSOC_REQ_IES	= 1<<17
+	STATION_INFO_ASSOC_REQ_IES	= 1<<17,
+	STATION_INFO_STA_FLAGS		= 1<<18
 };
 
 /**
@@ -633,6 +635,7 @@ struct station_info {
 	u32 tx_failed;
 	u32 rx_dropped_misc;
 	struct sta_bss_parameters bss_param;
+	struct nl80211_sta_flag_update sta_flags;
 
 	int generation;
 

net/wireless/nl80211.c

@@ -2344,6 +2344,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
 
 		nla_nest_end(msg, bss_param);
 	}
+	if (sinfo->filled & STATION_INFO_STA_FLAGS)
+		NLA_PUT(msg, NL80211_STA_INFO_STA_FLAGS,
+			sizeof(struct nl80211_sta_flag_update),
+			&sinfo->sta_flags);
 	nla_nest_end(msg, sinfoattr);
 
 	if (sinfo->filled & STATION_INFO_ASSOC_REQ_IES)