drivers/net/wireless/iwlegacy/3945-debug.c

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19  * USA
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *****************************************************************************/
  28
  29 #include "common.h"
  30 #include "3945.h"
  31
  32 static int
  33 il3945_stats_flag(struct il_priv *il, char *buf, int bufsz)
  34 {
  35         int p = 0;
  36
  37         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
  38                        le32_to_cpu(il->_3945.stats.flag));
  39         if (le32_to_cpu(il->_3945.stats.flag) & UCODE_STATS_CLEAR_MSK)
  40                 p += scnprintf(buf + p, bufsz - p,
  41                                "\tStatistics have been cleared\n");
  42         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
  43                        (le32_to_cpu(il->_3945.stats.flag) &
  44                         UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" : "5.2 GHz");
  45         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  46                        (le32_to_cpu(il->_3945.stats.flag) &
  47                         UCODE_STATS_NARROW_BAND_MSK) ? "enabled" : "disabled");
  48         return p;
  49 }
  50
  51 ssize_t
  52 il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
  53                            size_t count, loff_t *ppos)
  54 {
  55         struct il_priv *il = file->private_data;
  56         int pos = 0;
  57         char *buf;
  58         int bufsz =
  59             sizeof(struct iwl39_stats_rx_phy) * 40 +
  60             sizeof(struct iwl39_stats_rx_non_phy) * 40 + 400;
  61         ssize_t ret;
  62         struct iwl39_stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
  63         struct iwl39_stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  64         struct iwl39_stats_rx_non_phy *general, *accum_general;
  65         struct iwl39_stats_rx_non_phy *delta_general, *max_general;
  66
  67         if (!il_is_alive(il))
  68                 return -EAGAIN;
  69
  70         buf = kzalloc(bufsz, GFP_KERNEL);
  71         if (!buf) {
  72                 IL_ERR("Can not allocate Buffer\n");
  73                 return -ENOMEM;
  74         }
  75
  76         /*
  77          * The statistic information display here is based on
  78          * the last stats notification from uCode
  79          * might not reflect the current uCode activity
  80          */
  81         ofdm = &il->_3945.stats.rx.ofdm;
  82         cck = &il->_3945.stats.rx.cck;
  83         general = &il->_3945.stats.rx.general;
  84         accum_ofdm = &il->_3945.accum_stats.rx.ofdm;
  85         accum_cck = &il->_3945.accum_stats.rx.cck;
  86         accum_general = &il->_3945.accum_stats.rx.general;
  87         delta_ofdm = &il->_3945.delta_stats.rx.ofdm;
  88         delta_cck = &il->_3945.delta_stats.rx.cck;
  89         delta_general = &il->_3945.delta_stats.rx.general;
  90         max_ofdm = &il->_3945.max_delta.rx.ofdm;
  91         max_cck = &il->_3945.max_delta.rx.cck;
  92         max_general = &il->_3945.max_delta.rx.general;
  93
  94         pos += il3945_stats_flag(il, buf, bufsz);
  95         pos +=
  96             scnprintf(buf + pos, bufsz - pos,
  97                       "%-32s     current"
  98                       "acumulative       delta         max\n",
  99                       "Statistics_Rx - OFDM:");
 100         pos +=
 101             scnprintf(buf + pos, bufsz - pos,
 102                       "  %-30s %10u  %10u  %10u  %10u\n", "ina_cnt:",
 103                       le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
 104                       delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 105         pos +=
 106             scnprintf(buf + pos, bufsz - pos,
 107                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_cnt:",
 108                       le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 109                       delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 110         pos +=
 111             scnprintf(buf + pos, bufsz - pos,
 112                       "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
 113                       le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 114                       delta_ofdm->plcp_err, max_ofdm->plcp_err);
 115         pos +=
 116             scnprintf(buf + pos, bufsz - pos,
 117                       "  %-30s %10u  %10u  %10u  %10u\n", "crc32_err:",
 118                       le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 119                       delta_ofdm->crc32_err, max_ofdm->crc32_err);
 120         pos +=
 121             scnprintf(buf + pos, bufsz - pos,
 122                       "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 123                       le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
 124                       delta_ofdm->overrun_err, max_ofdm->overrun_err);
 125         pos +=
 126             scnprintf(buf + pos, bufsz - pos,
 127                       "  %-30s %10u  %10u  %10u  %10u\n", "early_overrun_err:",
 128                       le32_to_cpu(ofdm->early_overrun_err),
 129                       accum_ofdm->early_overrun_err,
 130                       delta_ofdm->early_overrun_err,
 131                       max_ofdm->early_overrun_err);
 132         pos +=
 133             scnprintf(buf + pos, bufsz - pos,
 134                       "  %-30s %10u  %10u  %10u  %10u\n", "crc32_good:",
 135                       le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
 136                       delta_ofdm->crc32_good, max_ofdm->crc32_good);
 137         pos +=
 138             scnprintf(buf + pos, bufsz - pos,
 139                       "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 140                       le32_to_cpu(ofdm->false_alarm_cnt),
 141                       accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
 142                       max_ofdm->false_alarm_cnt);
 143         pos +=
 144             scnprintf(buf + pos, bufsz - pos,
 145                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_sync_err_cnt:",
 146                       le32_to_cpu(ofdm->fina_sync_err_cnt),
 147                       accum_ofdm->fina_sync_err_cnt,
 148                       delta_ofdm->fina_sync_err_cnt,
 149                       max_ofdm->fina_sync_err_cnt);
 150         pos +=
 151             scnprintf(buf + pos, bufsz - pos,
 152                       "  %-30s %10u  %10u  %10u  %10u\n", "sfd_timeout:",
 153                       le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
 154                       delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
 155         pos +=
 156             scnprintf(buf + pos, bufsz - pos,
 157                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 158                       le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
 159                       delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
 160         pos +=
 161             scnprintf(buf + pos, bufsz - pos,
 162                       "  %-30s %10u  %10u  %10u  %10u\n", "unresponded_rts:",
 163                       le32_to_cpu(ofdm->unresponded_rts),
 164                       accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
 165                       max_ofdm->unresponded_rts);
 166         pos +=
 167             scnprintf(buf + pos, bufsz - pos,
 168                       "  %-30s %10u  %10u  %10u  %10u\n",
 169                       "rxe_frame_lmt_ovrun:",
 170                       le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 171                       accum_ofdm->rxe_frame_limit_overrun,
 172                       delta_ofdm->rxe_frame_limit_overrun,
 173                       max_ofdm->rxe_frame_limit_overrun);
 174         pos +=
 175             scnprintf(buf + pos, bufsz - pos,
 176                       "  %-30s %10u  %10u  %10u  %10u\n", "sent_ack_cnt:",
 177                       le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
 178                       delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
 179         pos +=
 180             scnprintf(buf + pos, bufsz - pos,
 181                       "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 182                       le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
 183                       delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
 184
 185         pos +=
 186             scnprintf(buf + pos, bufsz - pos,
 187                       "%-32s     current"
 188                       "acumulative       delta         max\n",
 189                       "Statistics_Rx - CCK:");
 190         pos +=
 191             scnprintf(buf + pos, bufsz - pos,
 192                       "  %-30s %10u  %10u  %10u  %10u\n", "ina_cnt:",
 193                       le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 194                       delta_cck->ina_cnt, max_cck->ina_cnt);
 195         pos +=
 196             scnprintf(buf + pos, bufsz - pos,
 197                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_cnt:",
 198                       le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 199                       delta_cck->fina_cnt, max_cck->fina_cnt);
 200         pos +=
 201             scnprintf(buf + pos, bufsz - pos,
 202                       "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
 203                       le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 204                       delta_cck->plcp_err, max_cck->plcp_err);
 205         pos +=
 206             scnprintf(buf + pos, bufsz - pos,
 207                       "  %-30s %10u  %10u  %10u  %10u\n", "crc32_err:",
 208                       le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 209                       delta_cck->crc32_err, max_cck->crc32_err);
 210         pos +=
 211             scnprintf(buf + pos, bufsz - pos,
 212                       "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 213                       le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
 214                       delta_cck->overrun_err, max_cck->overrun_err);
 215         pos +=
 216             scnprintf(buf + pos, bufsz - pos,
 217                       "  %-30s %10u  %10u  %10u  %10u\n", "early_overrun_err:",
 218                       le32_to_cpu(cck->early_overrun_err),
 219                       accum_cck->early_overrun_err,
 220                       delta_cck->early_overrun_err, max_cck->early_overrun_err);
 221         pos +=
 222             scnprintf(buf + pos, bufsz - pos,
 223                       "  %-30s %10u  %10u  %10u  %10u\n", "crc32_good:",
 224                       le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 225                       delta_cck->crc32_good, max_cck->crc32_good);
 226         pos +=
 227             scnprintf(buf + pos, bufsz - pos,
 228                       "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 229                       le32_to_cpu(cck->false_alarm_cnt),
 230                       accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
 231                       max_cck->false_alarm_cnt);
 232         pos +=
 233             scnprintf(buf + pos, bufsz - pos,
 234                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_sync_err_cnt:",
 235                       le32_to_cpu(cck->fina_sync_err_cnt),
 236                       accum_cck->fina_sync_err_cnt,
 237                       delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
 238         pos +=
 239             scnprintf(buf + pos, bufsz - pos,
 240                       "  %-30s %10u  %10u  %10u  %10u\n", "sfd_timeout:",
 241                       le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
 242                       delta_cck->sfd_timeout, max_cck->sfd_timeout);
 243         pos +=
 244             scnprintf(buf + pos, bufsz - pos,
 245                       "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 246                       le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
 247                       delta_cck->fina_timeout, max_cck->fina_timeout);
 248         pos +=
 249             scnprintf(buf + pos, bufsz - pos,
 250                       "  %-30s %10u  %10u  %10u  %10u\n", "unresponded_rts:",
 251                       le32_to_cpu(cck->unresponded_rts),
 252                       accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 253                       max_cck->unresponded_rts);
 254         pos +=
 255             scnprintf(buf + pos, bufsz - pos,
 256                       "  %-30s %10u  %10u  %10u  %10u\n",
 257                       "rxe_frame_lmt_ovrun:",
 258                       le32_to_cpu(cck->rxe_frame_limit_overrun),
 259                       accum_cck->rxe_frame_limit_overrun,
 260                       delta_cck->rxe_frame_limit_overrun,
 261                       max_cck->rxe_frame_limit_overrun);
 262         pos +=
 263             scnprintf(buf + pos, bufsz - pos,
 264                       "  %-30s %10u  %10u  %10u  %10u\n", "sent_ack_cnt:",
 265                       le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
 266                       delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
 267         pos +=
 268             scnprintf(buf + pos, bufsz - pos,
 269                       "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 270                       le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
 271                       delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
 272
 273         pos +=
 274             scnprintf(buf + pos, bufsz - pos,
 275                       "%-32s     current"
 276                       "acumulative       delta         max\n",
 277                       "Statistics_Rx - GENERAL:");
 278         pos +=
 279             scnprintf(buf + pos, bufsz - pos,
 280                       "  %-30s %10u  %10u  %10u  %10u\n", "bogus_cts:",
 281                       le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
 282                       delta_general->bogus_cts, max_general->bogus_cts);
 283         pos +=
 284             scnprintf(buf + pos, bufsz - pos,
 285                       "  %-30s %10u  %10u  %10u  %10u\n", "bogus_ack:",
 286                       le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
 287                       delta_general->bogus_ack, max_general->bogus_ack);
 288         pos +=
 289             scnprintf(buf + pos, bufsz - pos,
 290                       "  %-30s %10u  %10u  %10u  %10u\n", "non_bssid_frames:",
 291                       le32_to_cpu(general->non_bssid_frames),
 292                       accum_general->non_bssid_frames,
 293                       delta_general->non_bssid_frames,
 294                       max_general->non_bssid_frames);
 295         pos +=
 296             scnprintf(buf + pos, bufsz - pos,
 297                       "  %-30s %10u  %10u  %10u  %10u\n", "filtered_frames:",
 298                       le32_to_cpu(general->filtered_frames),
 299                       accum_general->filtered_frames,
 300                       delta_general->filtered_frames,
 301                       max_general->filtered_frames);
 302         pos +=
 303             scnprintf(buf + pos, bufsz - pos,
 304                       "  %-30s %10u  %10u  %10u  %10u\n",
 305                       "non_channel_beacons:",
 306                       le32_to_cpu(general->non_channel_beacons),
 307                       accum_general->non_channel_beacons,
 308                       delta_general->non_channel_beacons,
 309                       max_general->non_channel_beacons);
 310
 311         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 312         kfree(buf);
 313         return ret;
 314 }
 315
 316 ssize_t
 317 il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 318                            size_t count, loff_t *ppos)
 319 {
 320         struct il_priv *il = file->private_data;
 321         int pos = 0;
 322         char *buf;
 323         int bufsz = (sizeof(struct iwl39_stats_tx) * 48) + 250;
 324         ssize_t ret;
 325         struct iwl39_stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
 326
 327         if (!il_is_alive(il))
 328                 return -EAGAIN;
 329
 330         buf = kzalloc(bufsz, GFP_KERNEL);
 331         if (!buf) {
 332                 IL_ERR("Can not allocate Buffer\n");
 333                 return -ENOMEM;
 334         }
 335
 336         /*
 337          * The statistic information display here is based on
 338          * the last stats notification from uCode
 339          * might not reflect the current uCode activity
 340          */
 341         tx = &il->_3945.stats.tx;
 342         accum_tx = &il->_3945.accum_stats.tx;
 343         delta_tx = &il->_3945.delta_stats.tx;
 344         max_tx = &il->_3945.max_delta.tx;
 345         pos += il3945_stats_flag(il, buf, bufsz);
 346         pos +=
 347             scnprintf(buf + pos, bufsz - pos,
 348                       "%-32s     current"
 349                       "acumulative       delta         max\n",
 350                       "Statistics_Tx:");
 351         pos +=
 352             scnprintf(buf + pos, bufsz - pos,
 353                       "  %-30s %10u  %10u  %10u  %10u\n", "preamble:",
 354                       le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
 355                       delta_tx->preamble_cnt, max_tx->preamble_cnt);
 356         pos +=
 357             scnprintf(buf + pos, bufsz - pos,
 358                       "  %-30s %10u  %10u  %10u  %10u\n", "rx_detected_cnt:",
 359                       le32_to_cpu(tx->rx_detected_cnt),
 360                       accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
 361                       max_tx->rx_detected_cnt);
 362         pos +=
 363             scnprintf(buf + pos, bufsz - pos,
 364                       "  %-30s %10u  %10u  %10u  %10u\n", "bt_prio_defer_cnt:",
 365                       le32_to_cpu(tx->bt_prio_defer_cnt),
 366                       accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
 367                       max_tx->bt_prio_defer_cnt);
 368         pos +=
 369             scnprintf(buf + pos, bufsz - pos,
 370                       "  %-30s %10u  %10u  %10u  %10u\n", "bt_prio_kill_cnt:",
 371                       le32_to_cpu(tx->bt_prio_kill_cnt),
 372                       accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
 373                       max_tx->bt_prio_kill_cnt);
 374         pos +=
 375             scnprintf(buf + pos, bufsz - pos,
 376                       "  %-30s %10u  %10u  %10u  %10u\n", "few_bytes_cnt:",
 377                       le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
 378                       delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 379         pos +=
 380             scnprintf(buf + pos, bufsz - pos,
 381                       "  %-30s %10u  %10u  %10u  %10u\n", "cts_timeout:",
 382                       le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 383                       delta_tx->cts_timeout, max_tx->cts_timeout);
 384         pos +=
 385             scnprintf(buf + pos, bufsz - pos,
 386                       "  %-30s %10u  %10u  %10u  %10u\n", "ack_timeout:",
 387                       le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
 388                       delta_tx->ack_timeout, max_tx->ack_timeout);
 389         pos +=
 390             scnprintf(buf + pos, bufsz - pos,
 391                       "  %-30s %10u  %10u  %10u  %10u\n", "expected_ack_cnt:",
 392                       le32_to_cpu(tx->expected_ack_cnt),
 393                       accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
 394                       max_tx->expected_ack_cnt);
 395         pos +=
 396             scnprintf(buf + pos, bufsz - pos,
 397                       "  %-30s %10u  %10u  %10u  %10u\n", "actual_ack_cnt:",
 398                       le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
 399                       delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
 400
 401         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 402         kfree(buf);
 403         return ret;
 404 }
 405
 406 ssize_t
 407 il3945_ucode_general_stats_read(struct file *file, char __user *user_buf,
 408                                 size_t count, loff_t *ppos)
 409 {
 410         struct il_priv *il = file->private_data;
 411         int pos = 0;
 412         char *buf;
 413         int bufsz = sizeof(struct iwl39_stats_general) * 10 + 300;
 414         ssize_t ret;
 415         struct iwl39_stats_general *general, *accum_general;
 416         struct iwl39_stats_general *delta_general, *max_general;
 417         struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 418         struct iwl39_stats_div *div, *accum_div, *delta_div, *max_div;
 419
 420         if (!il_is_alive(il))
 421                 return -EAGAIN;
 422
 423         buf = kzalloc(bufsz, GFP_KERNEL);
 424         if (!buf) {
 425                 IL_ERR("Can not allocate Buffer\n");
 426                 return -ENOMEM;
 427         }
 428
 429         /*
 430          * The statistic information display here is based on
 431          * the last stats notification from uCode
 432          * might not reflect the current uCode activity
 433          */
 434         general = &il->_3945.stats.general;
 435         dbg = &il->_3945.stats.general.dbg;
 436         div = &il->_3945.stats.general.div;
 437         accum_general = &il->_3945.accum_stats.general;
 438         delta_general = &il->_3945.delta_stats.general;
 439         max_general = &il->_3945.max_delta.general;
 440         accum_dbg = &il->_3945.accum_stats.general.dbg;
 441         delta_dbg = &il->_3945.delta_stats.general.dbg;
 442         max_dbg = &il->_3945.max_delta.general.dbg;
 443         accum_div = &il->_3945.accum_stats.general.div;
 444         delta_div = &il->_3945.delta_stats.general.div;
 445         max_div = &il->_3945.max_delta.general.div;
 446         pos += il3945_stats_flag(il, buf, bufsz);
 447         pos +=
 448             scnprintf(buf + pos, bufsz - pos,
 449                       "%-32s     current"
 450                       "acumulative       delta         max\n",
 451                       "Statistics_General:");
 452         pos +=
 453             scnprintf(buf + pos, bufsz - pos,
 454                       "  %-30s %10u  %10u  %10u  %10u\n", "burst_check:",
 455                       le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
 456                       delta_dbg->burst_check, max_dbg->burst_check);
 457         pos +=
 458             scnprintf(buf + pos, bufsz - pos,
 459                       "  %-30s %10u  %10u  %10u  %10u\n", "burst_count:",
 460                       le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
 461                       delta_dbg->burst_count, max_dbg->burst_count);
 462         pos +=
 463             scnprintf(buf + pos, bufsz - pos,
 464                       "  %-30s %10u  %10u  %10u  %10u\n", "sleep_time:",
 465                       le32_to_cpu(general->sleep_time),
 466                       accum_general->sleep_time, delta_general->sleep_time,
 467                       max_general->sleep_time);
 468         pos +=
 469             scnprintf(buf + pos, bufsz - pos,
 470                       "  %-30s %10u  %10u  %10u  %10u\n", "slots_out:",
 471                       le32_to_cpu(general->slots_out), accum_general->slots_out,
 472                       delta_general->slots_out, max_general->slots_out);
 473         pos +=
 474             scnprintf(buf + pos, bufsz - pos,
 475                       "  %-30s %10u  %10u  %10u  %10u\n", "slots_idle:",
 476                       le32_to_cpu(general->slots_idle),
 477                       accum_general->slots_idle, delta_general->slots_idle,
 478                       max_general->slots_idle);
 479         pos +=
 480             scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
 481                       le32_to_cpu(general->ttl_timestamp));
 482         pos +=
 483             scnprintf(buf + pos, bufsz - pos,
 484                       "  %-30s %10u  %10u  %10u  %10u\n", "tx_on_a:",
 485                       le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 486                       delta_div->tx_on_a, max_div->tx_on_a);
 487         pos +=
 488             scnprintf(buf + pos, bufsz - pos,
 489                       "  %-30s %10u  %10u  %10u  %10u\n", "tx_on_b:",
 490                       le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 491                       delta_div->tx_on_b, max_div->tx_on_b);
 492         pos +=
 493             scnprintf(buf + pos, bufsz - pos,
 494                       "  %-30s %10u  %10u  %10u  %10u\n", "exec_time:",
 495                       le32_to_cpu(div->exec_time), accum_div->exec_time,
 496                       delta_div->exec_time, max_div->exec_time);
 497         pos +=
 498             scnprintf(buf + pos, bufsz - pos,
 499                       "  %-30s %10u  %10u  %10u  %10u\n", "probe_time:",
 500                       le32_to_cpu(div->probe_time), accum_div->probe_time,
 501                       delta_div->probe_time, max_div->probe_time);
 502         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 503         kfree(buf);
 504         return ret;
 505 }