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path: root/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c500
1 files changed, 500 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
new file mode 100644
index 000000000000..6a9c64a50e36
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
@@ -0,0 +1,500 @@
+/******************************************************************************
+ *
+ * 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;
+}