diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-4965-rx.c')
-rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-4965-rx.c | 78 |
1 files changed, 1 insertions, 77 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-rx.c b/drivers/net/wireless/iwlegacy/iwl-4965-rx.c index b9fa2f6411a..2b144bbfc3c 100644 --- a/drivers/net/wireless/iwlegacy/iwl-4965-rx.c +++ b/drivers/net/wireless/iwlegacy/iwl-4965-rx.c @@ -151,81 +151,6 @@ static void iwl4965_accumulative_statistics(struct iwl_priv *priv, #define REG_RECALIB_PERIOD (60) -/** - * iwl4965_good_plcp_health - checks for plcp error. - * - * When the plcp error is exceeding the thresholds, reset the radio - * to improve the throughput. - */ -bool iwl4965_good_plcp_health(struct iwl_priv *priv, - struct iwl_rx_packet *pkt) -{ - bool rc = true; - int combined_plcp_delta; - unsigned int plcp_msec; - unsigned long plcp_received_jiffies; - - if (priv->cfg->base_params->plcp_delta_threshold == - IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) { - IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n"); - return rc; - } - - /* - * check for plcp_err and trigger radio reset if it exceeds - * the plcp error threshold plcp_delta. - */ - plcp_received_jiffies = jiffies; - plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies - - (long) priv->plcp_jiffies); - priv->plcp_jiffies = plcp_received_jiffies; - /* - * check to make sure plcp_msec is not 0 to prevent division - * by zero. - */ - if (plcp_msec) { - struct statistics_rx_phy *ofdm; - struct statistics_rx_ht_phy *ofdm_ht; - - ofdm = &pkt->u.stats.rx.ofdm; - ofdm_ht = &pkt->u.stats.rx.ofdm_ht; - combined_plcp_delta = - (le32_to_cpu(ofdm->plcp_err) - - le32_to_cpu(priv->_4965.statistics. - rx.ofdm.plcp_err)) + - (le32_to_cpu(ofdm_ht->plcp_err) - - le32_to_cpu(priv->_4965.statistics. - rx.ofdm_ht.plcp_err)); - - if ((combined_plcp_delta > 0) && - ((combined_plcp_delta * 100) / plcp_msec) > - priv->cfg->base_params->plcp_delta_threshold) { - /* - * if plcp_err exceed the threshold, - * the following data is printed in csv format: - * Text: plcp_err exceeded %d, - * Received ofdm.plcp_err, - * Current ofdm.plcp_err, - * Received ofdm_ht.plcp_err, - * Current ofdm_ht.plcp_err, - * combined_plcp_delta, - * plcp_msec - */ - IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, " - "%u, %u, %u, %u, %d, %u mSecs\n", - priv->cfg->base_params->plcp_delta_threshold, - le32_to_cpu(ofdm->plcp_err), - le32_to_cpu(ofdm->plcp_err), - le32_to_cpu(ofdm_ht->plcp_err), - le32_to_cpu(ofdm_ht->plcp_err), - combined_plcp_delta, plcp_msec); - - rc = false; - } - } - return rc; -} - void iwl4965_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -248,8 +173,7 @@ void iwl4965_rx_statistics(struct iwl_priv *priv, iwl4965_accumulative_statistics(priv, (__le32 *)&pkt->u.stats); #endif - iwl_legacy_recover_from_statistics(priv, pkt); - + /* TODO: reading some of statistics is unneeded */ memcpy(&priv->_4965.statistics, &pkt->u.stats, sizeof(priv->_4965.statistics)); |