iwlwifi: report PS filtered status

When a frame is sent to a sleeping station, the
microcode reports TX_STATUS_FAIL_DEST_PS as its
status -- we need to translate that to the flag
that mac80211 expects.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -993,8 +993,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
 		info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
 		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
-		info->flags |= iwl_is_tx_success(status) ?
-					IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
 
 		/* FIXME: code repetition end */
@@ -1139,8 +1138,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
 		BUG_ON(txq_id != txq->swq_id);
 
 		info->status.rates[0].count = tx_resp->failure_frame + 1;
-		info->flags |= iwl_is_tx_success(status) ?
-					IEEE80211_TX_STAT_ACK : 0;
+		info->flags |= iwl_tx_status_to_mac80211(status);
 		iwl_hwrate_to_tx_control(priv,
 					le32_to_cpu(tx_resp->rate_n_flags),
 					info);