iwlwifi: iwl_good_ack_health() only apply to AGN device

iwl_good_ack_health() check for expected and actual ack count which only
apply to aggregation mode. Move the function to iwlagn module.

Reported-by: Chantry Xavier <chantry.xavier@gmail.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>

1 files changed, 0 insertions, 55 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index b6a64d83718..de453f25f1c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -616,61 +616,6 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv,
 
 #define REG_RECALIB_PERIOD (60)
 
-/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
-#define ACK_CNT_RATIO (50)
-#define BA_TIMEOUT_CNT (5)
-#define BA_TIMEOUT_MAX (16)
-
-/**
- * iwl_good_ack_health - checks for ACK count ratios, BA timeout retries.
- *
- * When the ACK count ratio is 0 and aggregated BA timeout retries exceeding
- * the BA_TIMEOUT_MAX, reload firmware and bring system back to normal
- * operation state.
- */
-bool iwl_good_ack_health(struct iwl_priv *priv,
-				struct iwl_rx_packet *pkt)
-{
-	bool rc = true;
-	int actual_ack_cnt_delta, expected_ack_cnt_delta;
-	int ba_timeout_delta;
-
-	actual_ack_cnt_delta =
-		le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
-		le32_to_cpu(priv->statistics.tx.actual_ack_cnt);
-	expected_ack_cnt_delta =
-		le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
-		le32_to_cpu(priv->statistics.tx.expected_ack_cnt);
-	ba_timeout_delta =
-		le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
-		le32_to_cpu(priv->statistics.tx.agg.ba_timeout);
-	if ((priv->_agn.agg_tids_count > 0) &&
-	    (expected_ack_cnt_delta > 0) &&
-	    (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
-		< ACK_CNT_RATIO) &&
-	    (ba_timeout_delta > BA_TIMEOUT_CNT)) {
-		IWL_DEBUG_RADIO(priv, "actual_ack_cnt delta = %d,"
-				" expected_ack_cnt = %d\n",
-				actual_ack_cnt_delta, expected_ack_cnt_delta);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-		IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
-				priv->delta_statistics.tx.rx_detected_cnt);
-		IWL_DEBUG_RADIO(priv,
-				"ack_or_ba_timeout_collision delta = %d\n",
-				priv->delta_statistics.tx.
-				ack_or_ba_timeout_collision);
-#endif
-		IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
-				ba_timeout_delta);
-		if (!actual_ack_cnt_delta &&
-		    (ba_timeout_delta >= BA_TIMEOUT_MAX))
-			rc = false;
-	}
-	return rc;
-}
-EXPORT_SYMBOL(iwl_good_ack_health);
-
 /**
  * iwl_good_plcp_health - checks for plcp error.
  *