mac80211: 802.11w - STA flag for MFP

Add flags for setting STA entries and struct ieee80211_if_sta to
indicate whether management frame protection (MFP) is used.

Signed-off-by: Jouni Malinen <j@w1.fi>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a1e683e305f0..bc8a7f1a6a15 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1,6 +1,6 @@
 /*
  * BSS client mode implementation
- * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 2003-2008, Jouni Malinen <j@w1.fi>
  * Copyright 2004, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
@@ -472,7 +472,7 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
         /* u.deauth.reason_code == u.disassoc.reason_code */
         mgmt->u.deauth.reason_code = cpu_to_le16(reason);
 
-        ieee80211_tx_skb(sdata, skb, 0);
+        ieee80211_tx_skb(sdata, skb, ifsta->flags & IEEE80211_STA_MFP_ENABLED);
 }
 
 /* MLME */
@@ -1408,6 +1408,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 
         rate_control_rate_init(sta);
 
+        if (ifsta->flags & IEEE80211_STA_MFP_ENABLED)
+                set_sta_flags(sta, WLAN_STA_MFP);
+
         if (elems.wmm_param)
                 set_sta_flags(sta, WLAN_STA_WME);