mac80211: 802.11w - Configuration of MFP disabled/optional/required

Add new WEXT IW_AUTH_* parameter for setting MFP
disabled/optional/required.

Signed-off-by: Jouni Malinen <j@w1.fi>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8c32457..212c732 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -320,6 +320,12 @@
 	int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
 	int auth_transaction;
 
+	enum {
+		IEEE80211_MFP_DISABLED,
+		IEEE80211_MFP_OPTIONAL,
+		IEEE80211_MFP_REQUIRED
+	} mfp; /* management frame protection */
+
 	unsigned long ibss_join_req;
 	struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
 	u32 supp_rates_bits[IEEE80211_NUM_BANDS];