iwlwifi: move HT configuration data into context

A lot of HT configuration semantically belongs into
the context, even if right now it will never be
different between contexts. Move it so we're better
prepared for future changes in mac80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 10 insertions, 13 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index c18eb89a9aed..ccd09027c7cd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -172,7 +172,8 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 EXPORT_SYMBOL(iwl_send_add_sta);
 
 static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
-				   struct ieee80211_sta *sta)
+				   struct ieee80211_sta *sta,
+				   struct iwl_rxon_context *ctx)
 {
 	struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap;
 	__le32 sta_flags;
@@ -212,7 +213,7 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
 	sta_flags |= cpu_to_le32(
 	      (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
 
-	if (iwl_is_ht40_tx_allowed(priv, sta_ht_inf))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
 		sta_flags |= STA_FLG_HT40_EN_MSK;
 	else
 		sta_flags &= ~STA_FLG_HT40_EN_MSK;
@@ -305,7 +306,7 @@ static u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 	 * STA and broadcast STA) pass in a NULL sta, and mac80211
 	 * doesn't allow HT IBSS.
 	 */
-	iwl_set_ht_add_station(priv, sta_id, sta);
+	iwl_set_ht_add_station(priv, sta_id, sta, ctx);
 
 	/* 3945 only */
 	rate = (priv->band == IEEE80211_BAND_5GHZ) ?
@@ -472,7 +473,7 @@ int iwl_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 			return -ENOMEM;
 		}
 
-		ret = iwl_send_lq_cmd(priv, link_cmd, CMD_SYNC, true);
+		ret = iwl_send_lq_cmd(priv, ctx, link_cmd, CMD_SYNC, true);
 		if (ret)
 			IWL_ERR(priv, "Link quality command failed (%d)\n", ret);
 
@@ -714,7 +715,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 			 * current LQ command
 			 */
 			if (send_lq)
-				iwl_send_lq_cmd(priv, &lq, CMD_SYNC, true);
+				iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true);
 			spin_lock_irqsave(&priv->sta_lock, flags_spin);
 			priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
 		}
@@ -1173,16 +1174,12 @@ static inline void iwl_dump_lq_cmd(struct iwl_priv *priv,
  * RXON flags are updated and when LQ command is updated.
  */
 static bool is_lq_table_valid(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx,
 			      struct iwl_link_quality_cmd *lq)
 {
 	int i;
-	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-#if !TODO
-	struct iwl_rxon_context *ctx =
-			&priv->contexts[IWL_RXON_CTX_BSS];
-#endif
 
-	if (ht_conf->is_ht)
+	if (ctx->ht.enabled)
 		return true;
 
 	IWL_DEBUG_INFO(priv, "Channel %u is not an HT channel\n",
@@ -1208,7 +1205,7 @@ static bool is_lq_table_valid(struct iwl_priv *priv,
  * this case to clear the state indicating that station creation is in
  * progress.
  */
-int iwl_send_lq_cmd(struct iwl_priv *priv,
+int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 		    struct iwl_link_quality_cmd *lq, u8 flags, bool init)
 {
 	int ret = 0;
@@ -1227,7 +1224,7 @@ int iwl_send_lq_cmd(struct iwl_priv *priv,
 	iwl_dump_lq_cmd(priv, lq);
 	BUG_ON(init && (cmd.flags & CMD_ASYNC));
 
-	if (is_lq_table_valid(priv, lq))
+	if (is_lq_table_valid(priv, ctx, lq))
 		ret = iwl_send_cmd(priv, &cmd);
 	else
 		ret = -EINVAL;