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author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2010-03-16 10:46:31 -0700 |
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committer | Reinette Chatre <reinette.chatre@intel.com> | 2010-03-25 11:16:37 -0700 |
commit | 872c8ddcbec06995c1c7caa3e41c921290a8b6df (patch) | |
tree | 15aebc3465235e7d35c41f9f2470221b957fab71 /drivers/net/wireless/iwlwifi/iwl-rx.c | |
parent | e184f67d39f681b1e8c9a43ff7001c3405c2bd7c (diff) | |
download | kernel_samsung_smdk4412-872c8ddcbec06995c1c7caa3e41c921290a8b6df.zip kernel_samsung_smdk4412-872c8ddcbec06995c1c7caa3e41c921290a8b6df.tar.gz kernel_samsung_smdk4412-872c8ddcbec06995c1c7caa3e41c921290a8b6df.tar.bz2 |
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>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-rx.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 55 |
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 b6a64d8..de453f2 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. * |