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>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6e23a2b5cb8a..87a7f2832c53 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;