4 files changed, 14 insertions, 37 deletions

diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h
index f41ae79e6bc0..41ec27cb6efe 100644
--- a/drivers/net/wireless/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/iwlwifi/dvm/agn.h
@@ -338,7 +338,7 @@ int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 
 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
-			    struct ieee80211_sta_ht_cap *ht_cap);
+			    struct ieee80211_sta *sta);
 
 static inline int iwl_sta_id(struct ieee80211_sta *sta)
 {
diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c
index a131227c49e9..b25de02964f9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rs.c
@@ -1305,7 +1305,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_mimo2_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1361,7 +1361,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH;
 	rate_mask = lq_sta->active_mimo3_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1410,7 +1410,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_siso_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index ab768045696b..6deab38c7aee 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -173,7 +173,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 
 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 			    struct iwl_rxon_context *ctx,
-			    struct ieee80211_sta_ht_cap *ht_cap)
+			    struct ieee80211_sta *sta)
 {
 	if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
 		return false;
@@ -183,20 +183,11 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
 		return false;
 #endif
 
-	/*
-	 * Remainder of this function checks ht_cap, but if it's
-	 * NULL then we can do HT40 (special case for RXON)
-	 */
-	if (!ht_cap)
+	/* special case for RXON */
+	if (!sta)
 		return true;
 
-	if (!ht_cap->ht_supported)
-		return false;
-
-	if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
-		return false;
-
-	return true;
+	return sta->bandwidth >= IEEE80211_STA_RX_BW_40;
 }
 
 static void iwl_sta_calc_ht_flags(struct iwl_priv *priv,
@@ -246,7 +237,7 @@ static void iwl_sta_calc_ht_flags(struct iwl_priv *priv,
 	*flags |= cpu_to_le32(
 		(u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
 
-	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, sta))
 		*flags |= STA_FLG_HT40_EN_MSK;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 60a4291ca221..8ba36e5e4b67 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -1209,23 +1209,9 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm,
 	return new_rate;
 }
 
-static bool iwl_is_ht40_tx_allowed(struct iwl_mvm *mvm,
-			    struct ieee80211_sta_ht_cap *ht_cap)
+static bool iwl_is_ht40_tx_allowed(struct ieee80211_sta *sta)
 {
-	/*
-	 * Remainder of this function checks ht_cap, but if it's
-	 * NULL then we can do HT40 (special case for RXON)
-	 */
-	if (!ht_cap)
-		return true;
-
-	if (!ht_cap->ht_supported)
-		return false;
-
-	if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
-		return false;
-
-	return true;
+	return sta->bandwidth >= IEEE80211_STA_RX_BW_40;
 }
 
 /*
@@ -1258,7 +1244,7 @@ static int rs_switch_to_mimo2(struct iwl_mvm *mvm,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_mimo2_rate;
 
-	if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1311,7 +1297,7 @@ static int rs_switch_to_mimo3(struct iwl_mvm *mvm,
 	tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH;
 	rate_mask = lq_sta->active_mimo3_rate;
 
-	if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1356,7 +1342,7 @@ static int rs_switch_to_siso(struct iwl_mvm *mvm,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_siso_rate;
 
-	if (iwl_is_ht40_tx_allowed(mvm, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(sta))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;