iwl3945: add ucode statistics (17f36fc6) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/net/wireless/iwlwifi/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -22,5 +22,6 @@ iwlagn-$(CONFIG_IWL5000) += iwl-1000.o
		# 3945
		obj-$(CONFIG_IWL3945) += iwl3945.o
		iwl3945-objs := iwl3945-base.o iwl-3945.o iwl-3945-rs.o iwl-3945-led.o
		iwl3945-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-3945-debugfs.o

		ccflags-y += -D__CHECK_ENDIAN__

drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c

0 → 100644

+500 −0

Original line number	Diff line number	Diff line
		/******************************************************************************
		*
		* GPL LICENSE SUMMARY
		*
		* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of version 2 of the GNU General Public License as
		* published by the Free Software Foundation.
		*
		* This program is distributed in the hope that it will be useful, but
		* WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		* General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
		* USA
		*
		* The full GNU General Public License is included in this distribution
		* in the file called LICENSE.GPL.
		*
		* Contact Information:
		* Intel Linux Wireless <ilw@linux.intel.com>
		* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
		*****************************************************************************/

		#include "iwl-3945-debugfs.h"

		ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
		char __user *user_buf,
		size_t count, loff_t *ppos)
		{
		struct iwl_priv *priv = file->private_data;
		int pos = 0;
		char *buf;
		int bufsz = sizeof(struct iwl39_statistics_rx_phy) * 40 +
		sizeof(struct iwl39_statistics_rx_non_phy) * 40 + 400;
		ssize_t ret;
		struct iwl39_statistics_rx_phy ofdm, accum_ofdm, delta_ofdm, max_ofdm;
		struct iwl39_statistics_rx_phy cck, accum_cck, delta_cck, max_cck;
		struct iwl39_statistics_rx_non_phy general, accum_general;
		struct iwl39_statistics_rx_non_phy delta_general, max_general;

		if (!iwl_is_alive(priv))
		return -EAGAIN;

		buf = kzalloc(bufsz, GFP_KERNEL);
		if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
		}

		/*
		* The statistic information display here is based on
		* the last statistics notification from uCode
		* might not reflect the current uCode activity
		*/
		ofdm = &priv->_3945.statistics.rx.ofdm;
		cck = &priv->_3945.statistics.rx.cck;
		general = &priv->_3945.statistics.rx.general;
		accum_ofdm = &priv->_3945.accum_statistics.rx.ofdm;
		accum_cck = &priv->_3945.accum_statistics.rx.cck;
		accum_general = &priv->_3945.accum_statistics.rx.general;
		delta_ofdm = &priv->_3945.delta_statistics.rx.ofdm;
		delta_cck = &priv->_3945.delta_statistics.rx.cck;
		delta_general = &priv->_3945.delta_statistics.rx.general;
		max_ofdm = &priv->_3945.max_delta.rx.ofdm;
		max_cck = &priv->_3945.max_delta.rx.cck;
		max_general = &priv->_3945.max_delta.rx.general;

		pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
		pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
		"acumulative delta max\n",
		"Statistics_Rx - OFDM:");
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
		accum_ofdm->ina_cnt,
		delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_cnt:",
		le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
		delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n", "plcp_err:",
		le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
		delta_ofdm->plcp_err, max_ofdm->plcp_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n", "crc32_err:",
		le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
		delta_ofdm->crc32_err, max_ofdm->crc32_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n", "overrun_err:",
		le32_to_cpu(ofdm->overrun_err),
		accum_ofdm->overrun_err, delta_ofdm->overrun_err,
		max_ofdm->overrun_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"early_overrun_err:",
		le32_to_cpu(ofdm->early_overrun_err),
		accum_ofdm->early_overrun_err,
		delta_ofdm->early_overrun_err,
		max_ofdm->early_overrun_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"crc32_good:", le32_to_cpu(ofdm->crc32_good),
		accum_ofdm->crc32_good, delta_ofdm->crc32_good,
		max_ofdm->crc32_good);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n", "false_alarm_cnt:",
		le32_to_cpu(ofdm->false_alarm_cnt),
		accum_ofdm->false_alarm_cnt,
		delta_ofdm->false_alarm_cnt,
		max_ofdm->false_alarm_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_sync_err_cnt:",
		le32_to_cpu(ofdm->fina_sync_err_cnt),
		accum_ofdm->fina_sync_err_cnt,
		delta_ofdm->fina_sync_err_cnt,
		max_ofdm->fina_sync_err_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sfd_timeout:",
		le32_to_cpu(ofdm->sfd_timeout),
		accum_ofdm->sfd_timeout,
		delta_ofdm->sfd_timeout,
		max_ofdm->sfd_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_timeout:",
		le32_to_cpu(ofdm->fina_timeout),
		accum_ofdm->fina_timeout,
		delta_ofdm->fina_timeout,
		max_ofdm->fina_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"unresponded_rts:",
		le32_to_cpu(ofdm->unresponded_rts),
		accum_ofdm->unresponded_rts,
		delta_ofdm->unresponded_rts,
		max_ofdm->unresponded_rts);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"rxe_frame_lmt_ovrun:",
		le32_to_cpu(ofdm->rxe_frame_limit_overrun),
		accum_ofdm->rxe_frame_limit_overrun,
		delta_ofdm->rxe_frame_limit_overrun,
		max_ofdm->rxe_frame_limit_overrun);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sent_ack_cnt:",
		le32_to_cpu(ofdm->sent_ack_cnt),
		accum_ofdm->sent_ack_cnt,
		delta_ofdm->sent_ack_cnt,
		max_ofdm->sent_ack_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sent_cts_cnt:",
		le32_to_cpu(ofdm->sent_cts_cnt),
		accum_ofdm->sent_cts_cnt,
		delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);

		pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
		"acumulative delta max\n",
		"Statistics_Rx - CCK:");
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"ina_cnt:",
		le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
		delta_cck->ina_cnt, max_cck->ina_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_cnt:",
		le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
		delta_cck->fina_cnt, max_cck->fina_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"plcp_err:",
		le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
		delta_cck->plcp_err, max_cck->plcp_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"crc32_err:",
		le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
		delta_cck->crc32_err, max_cck->crc32_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"overrun_err:",
		le32_to_cpu(cck->overrun_err),
		accum_cck->overrun_err,
		delta_cck->overrun_err, max_cck->overrun_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"early_overrun_err:",
		le32_to_cpu(cck->early_overrun_err),
		accum_cck->early_overrun_err,
		delta_cck->early_overrun_err,
		max_cck->early_overrun_err);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"crc32_good:",
		le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
		delta_cck->crc32_good,
		max_cck->crc32_good);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"false_alarm_cnt:",
		le32_to_cpu(cck->false_alarm_cnt),
		accum_cck->false_alarm_cnt,
		delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_sync_err_cnt:",
		le32_to_cpu(cck->fina_sync_err_cnt),
		accum_cck->fina_sync_err_cnt,
		delta_cck->fina_sync_err_cnt,
		max_cck->fina_sync_err_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sfd_timeout:",
		le32_to_cpu(cck->sfd_timeout),
		accum_cck->sfd_timeout,
		delta_cck->sfd_timeout, max_cck->sfd_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"fina_timeout:",
		le32_to_cpu(cck->fina_timeout),
		accum_cck->fina_timeout,
		delta_cck->fina_timeout, max_cck->fina_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"unresponded_rts:",
		le32_to_cpu(cck->unresponded_rts),
		accum_cck->unresponded_rts,
		delta_cck->unresponded_rts,
		max_cck->unresponded_rts);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"rxe_frame_lmt_ovrun:",
		le32_to_cpu(cck->rxe_frame_limit_overrun),
		accum_cck->rxe_frame_limit_overrun,
		delta_cck->rxe_frame_limit_overrun,
		max_cck->rxe_frame_limit_overrun);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sent_ack_cnt:",
		le32_to_cpu(cck->sent_ack_cnt),
		accum_cck->sent_ack_cnt,
		delta_cck->sent_ack_cnt,
		max_cck->sent_ack_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sent_cts_cnt:",
		le32_to_cpu(cck->sent_cts_cnt),
		accum_cck->sent_cts_cnt,
		delta_cck->sent_cts_cnt,
		max_cck->sent_cts_cnt);

		pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
		"acumulative delta max\n",
		"Statistics_Rx - GENERAL:");
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"bogus_cts:",
		le32_to_cpu(general->bogus_cts),
		accum_general->bogus_cts,
		delta_general->bogus_cts, max_general->bogus_cts);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"bogus_ack:",
		le32_to_cpu(general->bogus_ack),
		accum_general->bogus_ack,
		delta_general->bogus_ack, max_general->bogus_ack);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"non_bssid_frames:",
		le32_to_cpu(general->non_bssid_frames),
		accum_general->non_bssid_frames,
		delta_general->non_bssid_frames,
		max_general->non_bssid_frames);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"filtered_frames:",
		le32_to_cpu(general->filtered_frames),
		accum_general->filtered_frames,
		delta_general->filtered_frames,
		max_general->filtered_frames);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"non_channel_beacons:",
		le32_to_cpu(general->non_channel_beacons),
		accum_general->non_channel_beacons,
		delta_general->non_channel_beacons,
		max_general->non_channel_beacons);

		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
		kfree(buf);
		return ret;
		}

		ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
		char __user *user_buf,
		size_t count, loff_t *ppos)
		{
		struct iwl_priv *priv = file->private_data;
		int pos = 0;
		char *buf;
		int bufsz = (sizeof(struct iwl39_statistics_tx) * 48) + 250;
		ssize_t ret;
		struct iwl39_statistics_tx tx, accum_tx, delta_tx, max_tx;

		if (!iwl_is_alive(priv))
		return -EAGAIN;

		buf = kzalloc(bufsz, GFP_KERNEL);
		if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
		}

		/*
		* The statistic information display here is based on
		* the last statistics notification from uCode
		* might not reflect the current uCode activity
		*/
		tx = &priv->_3945.statistics.tx;
		accum_tx = &priv->_3945.accum_statistics.tx;
		delta_tx = &priv->_3945.delta_statistics.tx;
		max_tx = &priv->_3945.max_delta.tx;
		pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
		pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
		"acumulative delta max\n",
		"Statistics_Tx:");
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"preamble:",
		le32_to_cpu(tx->preamble_cnt),
		accum_tx->preamble_cnt,
		delta_tx->preamble_cnt, max_tx->preamble_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"rx_detected_cnt:",
		le32_to_cpu(tx->rx_detected_cnt),
		accum_tx->rx_detected_cnt,
		delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"bt_prio_defer_cnt:",
		le32_to_cpu(tx->bt_prio_defer_cnt),
		accum_tx->bt_prio_defer_cnt,
		delta_tx->bt_prio_defer_cnt,
		max_tx->bt_prio_defer_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"bt_prio_kill_cnt:",
		le32_to_cpu(tx->bt_prio_kill_cnt),
		accum_tx->bt_prio_kill_cnt,
		delta_tx->bt_prio_kill_cnt,
		max_tx->bt_prio_kill_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"few_bytes_cnt:",
		le32_to_cpu(tx->few_bytes_cnt),
		accum_tx->few_bytes_cnt,
		delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"cts_timeout:",
		le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
		delta_tx->cts_timeout, max_tx->cts_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"ack_timeout:",
		le32_to_cpu(tx->ack_timeout),
		accum_tx->ack_timeout,
		delta_tx->ack_timeout, max_tx->ack_timeout);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"expected_ack_cnt:",
		le32_to_cpu(tx->expected_ack_cnt),
		accum_tx->expected_ack_cnt,
		delta_tx->expected_ack_cnt,
		max_tx->expected_ack_cnt);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"actual_ack_cnt:",
		le32_to_cpu(tx->actual_ack_cnt),
		accum_tx->actual_ack_cnt,
		delta_tx->actual_ack_cnt,
		max_tx->actual_ack_cnt);

		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
		kfree(buf);
		return ret;
		}

		ssize_t iwl3945_ucode_general_stats_read(struct file *file,
		char __user *user_buf,
		size_t count, loff_t *ppos)
		{
		struct iwl_priv *priv = file->private_data;
		int pos = 0;
		char *buf;
		int bufsz = sizeof(struct iwl39_statistics_general) * 10 + 300;
		ssize_t ret;
		struct iwl39_statistics_general general, accum_general;
		struct iwl39_statistics_general delta_general, max_general;
		struct statistics_dbg dbg, accum_dbg, delta_dbg, max_dbg;
		struct iwl39_statistics_div div, accum_div, delta_div, max_div;

		if (!iwl_is_alive(priv))
		return -EAGAIN;

		buf = kzalloc(bufsz, GFP_KERNEL);
		if (!buf) {
		IWL_ERR(priv, "Can not allocate Buffer\n");
		return -ENOMEM;
		}

		/*
		* The statistic information display here is based on
		* the last statistics notification from uCode
		* might not reflect the current uCode activity
		*/
		general = &priv->_3945.statistics.general;
		dbg = &priv->_3945.statistics.general.dbg;
		div = &priv->_3945.statistics.general.div;
		accum_general = &priv->_3945.accum_statistics.general;
		delta_general = &priv->_3945.delta_statistics.general;
		max_general = &priv->_3945.max_delta.general;
		accum_dbg = &priv->_3945.accum_statistics.general.dbg;
		delta_dbg = &priv->_3945.delta_statistics.general.dbg;
		max_dbg = &priv->_3945.max_delta.general.dbg;
		accum_div = &priv->_3945.accum_statistics.general.div;
		delta_div = &priv->_3945.delta_statistics.general.div;
		max_div = &priv->_3945.max_delta.general.div;
		pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
		pos += scnprintf(buf + pos, bufsz - pos, "%-32s current"
		"acumulative delta max\n",
		"Statistics_General:");
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"burst_check:",
		le32_to_cpu(dbg->burst_check),
		accum_dbg->burst_check,
		delta_dbg->burst_check, max_dbg->burst_check);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"burst_count:",
		le32_to_cpu(dbg->burst_count),
		accum_dbg->burst_count,
		delta_dbg->burst_count, max_dbg->burst_count);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"sleep_time:",
		le32_to_cpu(general->sleep_time),
		accum_general->sleep_time,
		delta_general->sleep_time, max_general->sleep_time);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"slots_out:",
		le32_to_cpu(general->slots_out),
		accum_general->slots_out,
		delta_general->slots_out, max_general->slots_out);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"slots_idle:",
		le32_to_cpu(general->slots_idle),
		accum_general->slots_idle,
		delta_general->slots_idle, max_general->slots_idle);
		pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
		le32_to_cpu(general->ttl_timestamp));
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"tx_on_a:",
		le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
		delta_div->tx_on_a, max_div->tx_on_a);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"tx_on_b:",
		le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
		delta_div->tx_on_b, max_div->tx_on_b);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"exec_time:",
		le32_to_cpu(div->exec_time), accum_div->exec_time,
		delta_div->exec_time, max_div->exec_time);
		pos += scnprintf(buf + pos, bufsz - pos,
		" %-30s %10u %10u %10u %10u\n",
		"probe_time:",
		le32_to_cpu(div->probe_time), accum_div->probe_time,
		delta_div->probe_time, max_div->probe_time);
		ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
		kfree(buf);
		return ret;
		}

drivers/net/wireless/iwlwifi/iwl-3945-debugfs.h

0 → 100644

+60 −0

Original line number	Diff line number	Diff line
		/******************************************************************************
		*
		* GPL LICENSE SUMMARY
		*
		* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of version 2 of the GNU General Public License as
		* published by the Free Software Foundation.
		*
		* This program is distributed in the hope that it will be useful, but
		* WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		* General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
		* USA
		*
		* The full GNU General Public License is included in this distribution
		* in the file called LICENSE.GPL.
		*
		* Contact Information:
		* Intel Linux Wireless <ilw@linux.intel.com>
		* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
		*****************************************************************************/

		#include "iwl-dev.h"
		#include "iwl-core.h"
		#include "iwl-debug.h"

		#ifdef CONFIG_IWLWIFI_DEBUGFS
		ssize_t iwl3945_ucode_rx_stats_read(struct file file, char __user user_buf,
		size_t count, loff_t *ppos);
		ssize_t iwl3945_ucode_tx_stats_read(struct file file, char __user user_buf,
		size_t count, loff_t *ppos);
		ssize_t iwl3945_ucode_general_stats_read(struct file *file,
		char __user *user_buf, size_t count,
		loff_t *ppos);
		#else
		static ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
		char __user *user_buf, size_t count,
		loff_t *ppos)
		{
		return 0;
		}
		static ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
		char __user *user_buf, size_t count,
		loff_t *ppos)
		{
		return 0;
		}
		static ssize_t iwl3945_ucode_general_stats_read(struct file *file,
		char __user *user_buf,
		size_t count, loff_t *ppos)
		{
		return 0;
		}
		#endif

drivers/net/wireless/iwlwifi/iwl-3945.c

+71 −1

Original line number	Diff line number	Diff line
		@@ -49,6 +49,7 @@
		#include "iwl-helpers.h"
		#include "iwl-led.h"
		#include "iwl-3945-led.h"
		#include "iwl-3945-debugfs.h"

		#define IWL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np) \
		[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \
		@@ -350,18 +351,81 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
		* RX handler implementations
		*
		*****************************************************************************/
		#ifdef CONFIG_IWLWIFI_DEBUG
		/*
		* based on the assumption of all statistics counter are in DWORD
		* FIXME: This function is for debugging, do not deal with
		* the case of counters roll-over.
		*/
		static void iwl3945_accumulative_statistics(struct iwl_priv *priv,
		__le32 *stats)
		{
		int i;
		__le32 *prev_stats;
		u32 *accum_stats;
		u32 delta, max_delta;

		prev_stats = (__le32 *)&priv->_3945.statistics;
		accum_stats = (u32 *)&priv->_3945.accum_statistics;
		delta = (u32 *)&priv->_3945.delta_statistics;
		max_delta = (u32 *)&priv->_3945.max_delta;

		for (i = sizeof(__le32); i < sizeof(struct iwl3945_notif_statistics);
		i += sizeof(__le32), stats++, prev_stats++, delta++,
		max_delta++, accum_stats++) {
		if (le32_to_cpu(stats) > le32_to_cpu(prev_stats)) {
		delta = (le32_to_cpu(stats) -
		le32_to_cpu(*prev_stats));
		accum_stats += delta;
		if (delta > max_delta)
		max_delta = delta;
		}
		}

		/* reset accumulative statistics for "no-counter" type statistics */
		priv->_3945.accum_statistics.general.temperature =
		priv->_3945.statistics.general.temperature;
		priv->_3945.accum_statistics.general.ttl_timestamp =
		priv->_3945.statistics.general.ttl_timestamp;
		}
		#endif

		void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
		struct iwl_rx_mem_buffer *rxb)
		{
		struct iwl_rx_packet *pkt = rxb_addr(rxb);

		IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
		(int)sizeof(struct iwl3945_notif_statistics),
		le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
		#ifdef CONFIG_IWLWIFI_DEBUG
		iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
		#endif

		memcpy(&priv->_3945.statistics, pkt->u.raw, sizeof(priv->_3945.statistics));
		}

		void iwl3945_reply_statistics(struct iwl_priv *priv,
		struct iwl_rx_mem_buffer *rxb)
		{
		struct iwl_rx_packet *pkt = rxb_addr(rxb);
		__le32 flag = (__le32 )&pkt->u.raw;

		if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) {
		#ifdef CONFIG_IWLWIFI_DEBUG
		memset(&priv->_3945.accum_statistics, 0,
		sizeof(struct iwl3945_notif_statistics));
		memset(&priv->_3945.delta_statistics, 0,
		sizeof(struct iwl3945_notif_statistics));
		memset(&priv->_3945.max_delta, 0,
		sizeof(struct iwl3945_notif_statistics));
		#endif
		IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
		}
		iwl3945_hw_rx_statistics(priv, rxb);
		}


		/******************************************************************************
		*
		* Misc. internal state and helper functions
		@@ -2735,6 +2799,12 @@ static struct iwl_lib_ops iwl3945_lib = {
		.isr = iwl_isr_legacy,
		.config_ap = iwl3945_config_ap,
		.add_bcast_station = iwl3945_add_bcast_station,

		.debugfs_ops = {
		.rx_stats_read = iwl3945_ucode_rx_stats_read,
		.tx_stats_read = iwl3945_ucode_tx_stats_read,
		.general_stats_read = iwl3945_ucode_general_stats_read,
		},
		};

		static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {

drivers/net/wireless/iwlwifi/iwl-3945.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -264,6 +264,8 @@ extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
		extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
		extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
		struct iwl_rx_mem_buffer *rxb);
		void iwl3945_reply_statistics(struct iwl_priv *priv,
		struct iwl_rx_mem_buffer *rxb);
		extern void iwl3945_disable_events(struct iwl_priv *priv);
		extern int iwl4965_get_temperature(const struct iwl_priv *priv);
		extern void iwl3945_post_associate(struct iwl_priv *priv);