2 files changed, 68 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index a8494d0e285a..c42cb18de833 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -123,6 +123,53 @@ static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
         }
 }
 
+static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status)
+{
+        status &= AGG_TX_STATUS_MSK;
+
+        switch (status) {
+        case AGG_TX_STATE_UNDERRUN_MSK:
+                priv->_agn.reply_agg_tx_stats.underrun++;
+                break;
+        case AGG_TX_STATE_BT_PRIO_MSK:
+                priv->_agn.reply_agg_tx_stats.bt_prio++;
+                break;
+        case AGG_TX_STATE_FEW_BYTES_MSK:
+                priv->_agn.reply_agg_tx_stats.few_bytes++;
+                break;
+        case AGG_TX_STATE_ABORT_MSK:
+                priv->_agn.reply_agg_tx_stats.abort++;
+                break;
+        case AGG_TX_STATE_LAST_SENT_TTL_MSK:
+                priv->_agn.reply_agg_tx_stats.last_sent_ttl++;
+                break;
+        case AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK:
+                priv->_agn.reply_agg_tx_stats.last_sent_try++;
+                break;
+        case AGG_TX_STATE_LAST_SENT_BT_KILL_MSK:
+                priv->_agn.reply_agg_tx_stats.last_sent_bt_kill++;
+                break;
+        case AGG_TX_STATE_SCD_QUERY_MSK:
+                priv->_agn.reply_agg_tx_stats.scd_query++;
+                break;
+        case AGG_TX_STATE_TEST_BAD_CRC32_MSK:
+                priv->_agn.reply_agg_tx_stats.bad_crc32++;
+                break;
+        case AGG_TX_STATE_RESPONSE_MSK:
+                priv->_agn.reply_agg_tx_stats.response++;
+                break;
+        case AGG_TX_STATE_DUMP_TX_MSK:
+                priv->_agn.reply_agg_tx_stats.dump_tx++;
+                break;
+        case AGG_TX_STATE_DELAY_TX_MSK:
+                priv->_agn.reply_agg_tx_stats.delay_tx++;
+                break;
+        default:
+                priv->_agn.reply_agg_tx_stats.unknown++;
+                break;
+        }
+}
+
 static void iwlagn_set_tx_status(struct iwl_priv *priv,
                                  struct ieee80211_tx_info *info,
                                  struct iwl5000_tx_resp *tx_resp,
@@ -224,6 +271,9 @@ static int iwlagn_tx_status_reply_tx(struct iwl_priv *priv,
                         idx = SEQ_TO_INDEX(seq);
                         txq_id = SEQ_TO_QUEUE(seq);
 
+                        if (status & AGG_TX_STATUS_MSK)
+                                iwlagn_count_agg_tx_err_status(priv, status);
+
                         if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
                                       AGG_TX_STATE_ABORT_MSK))
                                 continue;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index bfa4864ec6d3..74d25bcbfcb2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -984,6 +984,23 @@ struct reply_tx_error_statistics {
         u32 unknown;
 };
 
+/* reply_agg_tx_statistics (for _agn devices) */
+struct reply_agg_tx_error_statistics {
+        u32 underrun;
+        u32 bt_prio;
+        u32 few_bytes;
+        u32 abort;
+        u32 last_sent_ttl;
+        u32 last_sent_try;
+        u32 last_sent_bt_kill;
+        u32 scd_query;
+        u32 bad_crc32;
+        u32 response;
+        u32 dump_tx;
+        u32 delay_tx;
+        u32 unknown;
+};
+
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 /* management statistics */
 enum iwl_mgmt_stats {
@@ -1444,6 +1461,7 @@ struct iwl_priv {
                         struct iwl_bt_notif_statistics statistics_bt;
                         /* counts reply_tx error */
                         struct reply_tx_error_statistics reply_tx_stats;
+                        struct reply_agg_tx_error_statistics reply_agg_tx_stats;
 #ifdef CONFIG_IWLWIFI_DEBUGFS
                         struct iwl_notif_statistics accum_statistics;
                         struct iwl_notif_statistics delta_statistics;