iwlwifi: request Tx of block ack request if necessary

This patch sets the block ack request flag if needed
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -2285,9 +2285,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 
 		iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
-		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
-			/* TODO: send BAR */
-		}
+		/* check if BAR is needed */
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
 		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
 			int freed, ampdu_q;

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -1278,9 +1278,9 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
 
 		iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
-		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
-			/* TODO: send BAR */
-		}
+		/* check if BAR is needed */
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
 		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
 			int freed, ampdu_q;