From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 13 Nov 2009 19:56:35 +0000 (-0800)
Subject: iwlwifi: report PS filtered status
X-Git-Tag: v2.6.33-rc1~388^2~214^2~88
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c397bf15a6067ecf39f8a771907f4721a64fd61f;p=platform%2Fkernel%2Flinux-3.10.git

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>
---

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1d22ea3..0efde87 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1864,8 +1864,7 @@ static int iwl4965_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 */
 
@@ -2020,8 +2019,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		}
 	} else {
 		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);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 48982fb..570eaa0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/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);
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6e23a2b..87a7f28 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -1690,6 +1690,21 @@ enum {
 	TX_ABORT_REQUIRED_MSK = 0x80000000,	/* bits 31:31 */
 };
 
+static inline u32 iwl_tx_status_to_mac80211(u32 status)
+{
+	status &= TX_STATUS_MSK;
+
+	switch (status) {
+	case TX_STATUS_SUCCESS:
+	case TX_STATUS_DIRECT_DONE:
+		return IEEE80211_TX_STAT_ACK;
+	case TX_STATUS_FAIL_DEST_PS:
+		return IEEE80211_TX_STAT_TX_FILTERED;
+	default:
+		return 0;
+	}
+}
+
 static inline bool iwl_is_tx_success(u32 status)
 {
 	status &= TX_STATUS_MSK;