From a87121051ce80831a302c67286119013104f7a5a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Sat, 23 Feb 2013 00:22:44 +0100
Subject: mac80211: remove IEEE80211_KEY_FLAG_WMM_STA

There's no driver using this flag, so it seems
that all drivers support HW crypto with WMM or
don't support it at all. Remove the flag and
code setting it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 9b0d342..421c3ac 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1101,8 +1101,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
  * These flags are used for communication about keys between the driver
  * and mac80211, with the @flags parameter of &struct ieee80211_key_conf.
  *
- * @IEEE80211_KEY_FLAG_WMM_STA: Set by mac80211, this flag indicates
- *	that the STA this key will be used with could be using QoS.
  * @IEEE80211_KEY_FLAG_GENERATE_IV: This flag should be set by the
  *	driver to indicate that it requires IV generation for this
  *	particular key.
@@ -1127,7 +1125,6 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
  *	%IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW.
  */
 enum ieee80211_key_flags {
-	IEEE80211_KEY_FLAG_WMM_STA	= 1<<0,
 	IEEE80211_KEY_FLAG_GENERATE_IV	= 1<<1,
 	IEEE80211_KEY_FLAG_GENERATE_MMIC= 1<<2,
 	IEEE80211_KEY_FLAG_PAIRWISE	= 1<<3,
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index df81b17..6eb4888 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -440,32 +440,6 @@ int ieee80211_key_link(struct ieee80211_key *key,
 	key->sdata = sdata;
 	key->sta = sta;
 
-	if (sta) {
-		/*
-		 * some hardware cannot handle TKIP with QoS, so
-		 * we indicate whether QoS could be in use.
-		 */
-		if (test_sta_flag(sta, WLAN_STA_WME))
-			key->conf.flags |= IEEE80211_KEY_FLAG_WMM_STA;
-	} else {
-		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
-			struct sta_info *ap;
-
-			/*
-			 * We're getting a sta pointer in, so must be under
-			 * appropriate locking for sta_info_get().
-			 */
-
-			/* same here, the AP could be using QoS */
-			ap = sta_info_get(key->sdata, key->sdata->u.mgd.bssid);
-			if (ap) {
-				if (test_sta_flag(ap, WLAN_STA_WME))
-					key->conf.flags |=
-						IEEE80211_KEY_FLAG_WMM_STA;
-			}
-		}
-	}
-
 	mutex_lock(&sdata->local->key_mtx);
 
 	if (sta && pairwise)
-- 
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