Commit ad6e82a5 authored by Stanislaw Gruszka's avatar Stanislaw Gruszka Committed by John W. Linville
Browse files

iwlwifi: move check health code into iwl-rx.c



Remove check_plcp_health and check_ack_health ops methods, they are
unneeded after iwlegacy driver split. Merge check health code into to
iwl-rx.c and make functions static.

Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Acked-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b7977ffa
Loading
Loading
Loading
Loading
+0 −2
Original line number Diff line number Diff line
@@ -232,8 +232,6 @@ static struct iwl_lib_ops iwl1000_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
+0 −2
Original line number Diff line number Diff line
@@ -315,8 +315,6 @@ static struct iwl_lib_ops iwl2000_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
+0 −4
Original line number Diff line number Diff line
@@ -402,8 +402,6 @@ static struct iwl_lib_ops iwl5000_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
@@ -471,8 +469,6 @@ static struct iwl_lib_ops iwl5150_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
+0 −4
Original line number Diff line number Diff line
@@ -343,8 +343,6 @@ static struct iwl_lib_ops iwl6000_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
@@ -415,8 +413,6 @@ static struct iwl_lib_ops iwl6030_lib = {
		.bt_stats_read = iwl_ucode_bt_stats_read,
		.reply_tx_error = iwl_reply_tx_error_read,
	},
	.check_plcp_health = iwl_good_plcp_health,
	.check_ack_health = iwl_good_ack_health,
	.txfifo_flush = iwlagn_txfifo_flush,
	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
	.tt_ops = {
+0 −87
Original line number Diff line number Diff line
@@ -169,93 +169,6 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv,

#define REG_RECALIB_PERIOD (60)

/**
 * iwl_good_plcp_health - checks for plcp error.
 *
 * When the plcp error is exceeding the thresholds, reset the radio
 * to improve the throughput.
 */
bool iwl_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;

		if (iwl_bt_statistics(priv)) {
			ofdm = &pkt->u.stats_bt.rx.ofdm;
			ofdm_ht = &pkt->u.stats_bt.rx.ofdm_ht;
			combined_plcp_delta =
			   (le32_to_cpu(ofdm->plcp_err) -
			   le32_to_cpu(priv->_agn.statistics_bt.
				       rx.ofdm.plcp_err)) +
			   (le32_to_cpu(ofdm_ht->plcp_err) -
			   le32_to_cpu(priv->_agn.statistics_bt.
				       rx.ofdm_ht.plcp_err));
		} else {
			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->_agn.statistics.
					rx.ofdm.plcp_err)) +
			    (le32_to_cpu(ofdm_ht->plcp_err) -
			    le32_to_cpu(priv->_agn.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 iwl_rx_statistics(struct iwl_priv *priv,
			      struct iwl_rx_mem_buffer *rxb)
{
Loading