drivers/net/wireless/iwlegacy/iwl-3945-debugfs.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 "iwl-3945-debugfs.h"
  30
  31
  32 static int iwl3945_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
  33 {
  34         int p = 0;
  35
  36         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
  37                        le32_to_cpu(priv->_3945.statistics.flag));
  38         if (le32_to_cpu(priv->_3945.statistics.flag) &
  39                         UCODE_STATISTICS_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(priv->_3945.statistics.flag) &
  44                         UCODE_STATISTICS_FREQUENCY_MSK)
  45                         ? "2.4 GHz" : "5.2 GHz");
  46         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  47                        (le32_to_cpu(priv->_3945.statistics.flag) &
  48                         UCODE_STATISTICS_NARROW_BAND_MSK)
  49                         ? "enabled" : "disabled");
  50         return p;
  51 }
  52
  53 ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
  54                                     char __user *user_buf,
  55                                     size_t count, loff_t *ppos)
  56 {
  57         struct iwl_priv *priv = file->private_data;
  58         int pos = 0;
  59         char *buf;
  60         int bufsz = sizeof(struct iwl39_statistics_rx_phy) * 40 +
  61                     sizeof(struct iwl39_statistics_rx_non_phy) * 40 + 400;
  62         ssize_t ret;
  63         struct iwl39_statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm,
  64                                         *max_ofdm;
  65         struct iwl39_statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  66         struct iwl39_statistics_rx_non_phy *general, *accum_general;
  67         struct iwl39_statistics_rx_non_phy *delta_general, *max_general;
  68
  69         if (!iwl_legacy_is_alive(priv))
  70                 return -EAGAIN;
  71
  72         buf = kzalloc(bufsz, GFP_KERNEL);
  73         if (!buf) {
  74                 IWL_ERR(priv, "Can not allocate Buffer\n");
  75                 return -ENOMEM;
  76         }
  77
  78         /*
  79          * The statistic information display here is based on
  80          * the last statistics notification from uCode
  81          * might not reflect the current uCode activity
  82          */
  83         ofdm = &priv->_3945.statistics.rx.ofdm;
  84         cck = &priv->_3945.statistics.rx.cck;
  85         general = &priv->_3945.statistics.rx.general;
  86         accum_ofdm = &priv->_3945.accum_statistics.rx.ofdm;
  87         accum_cck = &priv->_3945.accum_statistics.rx.cck;
  88         accum_general = &priv->_3945.accum_statistics.rx.general;
  89         delta_ofdm = &priv->_3945.delta_statistics.rx.ofdm;
  90         delta_cck = &priv->_3945.delta_statistics.rx.cck;
  91         delta_general = &priv->_3945.delta_statistics.rx.general;
  92         max_ofdm = &priv->_3945.max_delta.rx.ofdm;
  93         max_cck = &priv->_3945.max_delta.rx.cck;
  94         max_general = &priv->_3945.max_delta.rx.general;
  95
  96         pos += iwl3945_statistics_flag(priv, buf, bufsz);
  97         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
  98                          "acumulative       delta         max\n",
  99                          "Statistics_Rx - OFDM:");
 100         pos += scnprintf(buf + pos, bufsz - pos,
 101                          "  %-30s %10u  %10u  %10u  %10u\n",
 102                          "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
 103                          accum_ofdm->ina_cnt,
 104                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 105         pos += scnprintf(buf + pos, bufsz - pos,
 106                          "  %-30s %10u  %10u  %10u  %10u\n",
 107                          "fina_cnt:",
 108                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 109                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 110         pos += scnprintf(buf + pos, bufsz - pos,
 111                          "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
 112                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 113                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 114         pos += scnprintf(buf + pos, bufsz - pos,
 115                          "  %-30s %10u  %10u  %10u  %10u\n",  "crc32_err:",
 116                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 117                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 118         pos += scnprintf(buf + pos, bufsz - pos,
 119                          "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 120                          le32_to_cpu(ofdm->overrun_err),
 121                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 122                          max_ofdm->overrun_err);
 123         pos += scnprintf(buf + pos, bufsz - pos,
 124                          "  %-30s %10u  %10u  %10u  %10u\n",
 125                          "early_overrun_err:",
 126                          le32_to_cpu(ofdm->early_overrun_err),
 127                          accum_ofdm->early_overrun_err,
 128                          delta_ofdm->early_overrun_err,
 129                          max_ofdm->early_overrun_err);
 130         pos += scnprintf(buf + pos, bufsz - pos,
 131                          "  %-30s %10u  %10u  %10u  %10u\n",
 132                          "crc32_good:", le32_to_cpu(ofdm->crc32_good),
 133                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
 134                          max_ofdm->crc32_good);
 135         pos += scnprintf(buf + pos, bufsz - pos,
 136                          "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 137                          le32_to_cpu(ofdm->false_alarm_cnt),
 138                          accum_ofdm->false_alarm_cnt,
 139                          delta_ofdm->false_alarm_cnt,
 140                          max_ofdm->false_alarm_cnt);
 141         pos += scnprintf(buf + pos, bufsz - pos,
 142                          "  %-30s %10u  %10u  %10u  %10u\n",
 143                          "fina_sync_err_cnt:",
 144                          le32_to_cpu(ofdm->fina_sync_err_cnt),
 145                          accum_ofdm->fina_sync_err_cnt,
 146                          delta_ofdm->fina_sync_err_cnt,
 147                          max_ofdm->fina_sync_err_cnt);
 148         pos += scnprintf(buf + pos, bufsz - pos,
 149                          "  %-30s %10u  %10u  %10u  %10u\n",
 150                          "sfd_timeout:",
 151                          le32_to_cpu(ofdm->sfd_timeout),
 152                          accum_ofdm->sfd_timeout,
 153                          delta_ofdm->sfd_timeout,
 154                          max_ofdm->sfd_timeout);
 155         pos += scnprintf(buf + pos, bufsz - pos,
 156                          "  %-30s %10u  %10u  %10u  %10u\n",
 157                          "fina_timeout:",
 158                          le32_to_cpu(ofdm->fina_timeout),
 159                          accum_ofdm->fina_timeout,
 160                          delta_ofdm->fina_timeout,
 161                          max_ofdm->fina_timeout);
 162         pos += scnprintf(buf + pos, bufsz - pos,
 163                          "  %-30s %10u  %10u  %10u  %10u\n",
 164                          "unresponded_rts:",
 165                          le32_to_cpu(ofdm->unresponded_rts),
 166                          accum_ofdm->unresponded_rts,
 167                          delta_ofdm->unresponded_rts,
 168                          max_ofdm->unresponded_rts);
 169         pos += scnprintf(buf + pos, bufsz - pos,
 170                          "  %-30s %10u  %10u  %10u  %10u\n",
 171                          "rxe_frame_lmt_ovrun:",
 172                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 173                          accum_ofdm->rxe_frame_limit_overrun,
 174                          delta_ofdm->rxe_frame_limit_overrun,
 175                          max_ofdm->rxe_frame_limit_overrun);
 176         pos += scnprintf(buf + pos, bufsz - pos,
 177                          "  %-30s %10u  %10u  %10u  %10u\n",
 178                          "sent_ack_cnt:",
 179                          le32_to_cpu(ofdm->sent_ack_cnt),
 180                          accum_ofdm->sent_ack_cnt,
 181                          delta_ofdm->sent_ack_cnt,
 182                          max_ofdm->sent_ack_cnt);
 183         pos += scnprintf(buf + pos, bufsz - pos,
 184                          "  %-30s %10u  %10u  %10u  %10u\n",
 185                          "sent_cts_cnt:",
 186                          le32_to_cpu(ofdm->sent_cts_cnt),
 187                          accum_ofdm->sent_cts_cnt,
 188                          delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
 189
 190         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 191                          "acumulative       delta         max\n",
 192                          "Statistics_Rx - CCK:");
 193         pos += scnprintf(buf + pos, bufsz - pos,
 194                          "  %-30s %10u  %10u  %10u  %10u\n",
 195                          "ina_cnt:",
 196                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 197                          delta_cck->ina_cnt, max_cck->ina_cnt);
 198         pos += scnprintf(buf + pos, bufsz - pos,
 199                          "  %-30s %10u  %10u  %10u  %10u\n",
 200                          "fina_cnt:",
 201                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 202                          delta_cck->fina_cnt, max_cck->fina_cnt);
 203         pos += scnprintf(buf + pos, bufsz - pos,
 204                          "  %-30s %10u  %10u  %10u  %10u\n",
 205                          "plcp_err:",
 206                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 207                          delta_cck->plcp_err, max_cck->plcp_err);
 208         pos += scnprintf(buf + pos, bufsz - pos,
 209                          "  %-30s %10u  %10u  %10u  %10u\n",
 210                          "crc32_err:",
 211                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 212                          delta_cck->crc32_err, max_cck->crc32_err);
 213         pos += scnprintf(buf + pos, bufsz - pos,
 214                          "  %-30s %10u  %10u  %10u  %10u\n",
 215                          "overrun_err:",
 216                          le32_to_cpu(cck->overrun_err),
 217                          accum_cck->overrun_err,
 218                          delta_cck->overrun_err, max_cck->overrun_err);
 219         pos += scnprintf(buf + pos, bufsz - pos,
 220                          "  %-30s %10u  %10u  %10u  %10u\n",
 221                          "early_overrun_err:",
 222                          le32_to_cpu(cck->early_overrun_err),
 223                          accum_cck->early_overrun_err,
 224                          delta_cck->early_overrun_err,
 225                          max_cck->early_overrun_err);
 226         pos += scnprintf(buf + pos, bufsz - pos,
 227                          "  %-30s %10u  %10u  %10u  %10u\n",
 228                          "crc32_good:",
 229                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 230                          delta_cck->crc32_good,
 231                          max_cck->crc32_good);
 232         pos += scnprintf(buf + pos, bufsz - pos,
 233                          "  %-30s %10u  %10u  %10u  %10u\n",
 234                          "false_alarm_cnt:",
 235                          le32_to_cpu(cck->false_alarm_cnt),
 236                          accum_cck->false_alarm_cnt,
 237                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
 238         pos += scnprintf(buf + pos, bufsz - pos,
 239                          "  %-30s %10u  %10u  %10u  %10u\n",
 240                          "fina_sync_err_cnt:",
 241                          le32_to_cpu(cck->fina_sync_err_cnt),
 242                          accum_cck->fina_sync_err_cnt,
 243                          delta_cck->fina_sync_err_cnt,
 244                          max_cck->fina_sync_err_cnt);
 245         pos += scnprintf(buf + pos, bufsz - pos,
 246                          "  %-30s %10u  %10u  %10u  %10u\n",
 247                          "sfd_timeout:",
 248                          le32_to_cpu(cck->sfd_timeout),
 249                          accum_cck->sfd_timeout,
 250                          delta_cck->sfd_timeout, max_cck->sfd_timeout);
 251         pos += scnprintf(buf + pos, bufsz - pos,
 252                          "  %-30s %10u  %10u  %10u  %10u\n",
 253                          "fina_timeout:",
 254                          le32_to_cpu(cck->fina_timeout),
 255                          accum_cck->fina_timeout,
 256                          delta_cck->fina_timeout, max_cck->fina_timeout);
 257         pos += scnprintf(buf + pos, bufsz - pos,
 258                          "  %-30s %10u  %10u  %10u  %10u\n",
 259                          "unresponded_rts:",
 260                          le32_to_cpu(cck->unresponded_rts),
 261                          accum_cck->unresponded_rts,
 262                          delta_cck->unresponded_rts,
 263                          max_cck->unresponded_rts);
 264         pos += scnprintf(buf + pos, bufsz - pos,
 265                          "  %-30s %10u  %10u  %10u  %10u\n",
 266                          "rxe_frame_lmt_ovrun:",
 267                          le32_to_cpu(cck->rxe_frame_limit_overrun),
 268                          accum_cck->rxe_frame_limit_overrun,
 269                          delta_cck->rxe_frame_limit_overrun,
 270                          max_cck->rxe_frame_limit_overrun);
 271         pos += scnprintf(buf + pos, bufsz - pos,
 272                          "  %-30s %10u  %10u  %10u  %10u\n",
 273                          "sent_ack_cnt:",
 274                          le32_to_cpu(cck->sent_ack_cnt),
 275                          accum_cck->sent_ack_cnt,
 276                          delta_cck->sent_ack_cnt,
 277                          max_cck->sent_ack_cnt);
 278         pos += scnprintf(buf + pos, bufsz - pos,
 279                          "  %-30s %10u  %10u  %10u  %10u\n",
 280                          "sent_cts_cnt:",
 281                          le32_to_cpu(cck->sent_cts_cnt),
 282                          accum_cck->sent_cts_cnt,
 283                          delta_cck->sent_cts_cnt,
 284                          max_cck->sent_cts_cnt);
 285
 286         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 287                          "acumulative       delta         max\n",
 288                          "Statistics_Rx - GENERAL:");
 289         pos += scnprintf(buf + pos, bufsz - pos,
 290                          "  %-30s %10u  %10u  %10u  %10u\n",
 291                          "bogus_cts:",
 292                          le32_to_cpu(general->bogus_cts),
 293                          accum_general->bogus_cts,
 294                          delta_general->bogus_cts, max_general->bogus_cts);
 295         pos += scnprintf(buf + pos, bufsz - pos,
 296                          "  %-30s %10u  %10u  %10u  %10u\n",
 297                          "bogus_ack:",
 298                          le32_to_cpu(general->bogus_ack),
 299                          accum_general->bogus_ack,
 300                          delta_general->bogus_ack, max_general->bogus_ack);
 301         pos += scnprintf(buf + pos, bufsz - pos,
 302                          "  %-30s %10u  %10u  %10u  %10u\n",
 303                          "non_bssid_frames:",
 304                          le32_to_cpu(general->non_bssid_frames),
 305                          accum_general->non_bssid_frames,
 306                          delta_general->non_bssid_frames,
 307                          max_general->non_bssid_frames);
 308         pos += scnprintf(buf + pos, bufsz - pos,
 309                          "  %-30s %10u  %10u  %10u  %10u\n",
 310                          "filtered_frames:",
 311                          le32_to_cpu(general->filtered_frames),
 312                          accum_general->filtered_frames,
 313                          delta_general->filtered_frames,
 314                          max_general->filtered_frames);
 315         pos += scnprintf(buf + pos, bufsz - pos,
 316                          "  %-30s %10u  %10u  %10u  %10u\n",
 317                          "non_channel_beacons:",
 318                          le32_to_cpu(general->non_channel_beacons),
 319                          accum_general->non_channel_beacons,
 320                          delta_general->non_channel_beacons,
 321                          max_general->non_channel_beacons);
 322
 323         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 324         kfree(buf);
 325         return ret;
 326 }
 327
 328 ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
 329                                     char __user *user_buf,
 330                                     size_t count, loff_t *ppos)
 331 {
 332         struct iwl_priv *priv = file->private_data;
 333         int pos = 0;
 334         char *buf;
 335         int bufsz = (sizeof(struct iwl39_statistics_tx) * 48) + 250;
 336         ssize_t ret;
 337         struct iwl39_statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
 338
 339         if (!iwl_legacy_is_alive(priv))
 340                 return -EAGAIN;
 341
 342         buf = kzalloc(bufsz, GFP_KERNEL);
 343         if (!buf) {
 344                 IWL_ERR(priv, "Can not allocate Buffer\n");
 345                 return -ENOMEM;
 346         }
 347
 348         /*
 349          * The statistic information display here is based on
 350          * the last statistics notification from uCode
 351          * might not reflect the current uCode activity
 352          */
 353         tx = &priv->_3945.statistics.tx;
 354         accum_tx = &priv->_3945.accum_statistics.tx;
 355         delta_tx = &priv->_3945.delta_statistics.tx;
 356         max_tx = &priv->_3945.max_delta.tx;
 357         pos += iwl3945_statistics_flag(priv, buf, bufsz);
 358         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 359                          "acumulative       delta         max\n",
 360                          "Statistics_Tx:");
 361         pos += scnprintf(buf + pos, bufsz - pos,
 362                          "  %-30s %10u  %10u  %10u  %10u\n",
 363                          "preamble:",
 364                          le32_to_cpu(tx->preamble_cnt),
 365                          accum_tx->preamble_cnt,
 366                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
 367         pos += scnprintf(buf + pos, bufsz - pos,
 368                          "  %-30s %10u  %10u  %10u  %10u\n",
 369                          "rx_detected_cnt:",
 370                          le32_to_cpu(tx->rx_detected_cnt),
 371                          accum_tx->rx_detected_cnt,
 372                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
 373         pos += scnprintf(buf + pos, bufsz - pos,
 374                          "  %-30s %10u  %10u  %10u  %10u\n",
 375                          "bt_prio_defer_cnt:",
 376                          le32_to_cpu(tx->bt_prio_defer_cnt),
 377                          accum_tx->bt_prio_defer_cnt,
 378                          delta_tx->bt_prio_defer_cnt,
 379                          max_tx->bt_prio_defer_cnt);
 380         pos += scnprintf(buf + pos, bufsz - pos,
 381                          "  %-30s %10u  %10u  %10u  %10u\n",
 382                          "bt_prio_kill_cnt:",
 383                          le32_to_cpu(tx->bt_prio_kill_cnt),
 384                          accum_tx->bt_prio_kill_cnt,
 385                          delta_tx->bt_prio_kill_cnt,
 386                          max_tx->bt_prio_kill_cnt);
 387         pos += scnprintf(buf + pos, bufsz - pos,
 388                          "  %-30s %10u  %10u  %10u  %10u\n",
 389                          "few_bytes_cnt:",
 390                          le32_to_cpu(tx->few_bytes_cnt),
 391                          accum_tx->few_bytes_cnt,
 392                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 393         pos += scnprintf(buf + pos, bufsz - pos,
 394                          "  %-30s %10u  %10u  %10u  %10u\n",
 395                          "cts_timeout:",
 396                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 397                          delta_tx->cts_timeout, max_tx->cts_timeout);
 398         pos += scnprintf(buf + pos, bufsz - pos,
 399                          "  %-30s %10u  %10u  %10u  %10u\n",
 400                          "ack_timeout:",
 401                          le32_to_cpu(tx->ack_timeout),
 402                          accum_tx->ack_timeout,
 403                          delta_tx->ack_timeout, max_tx->ack_timeout);
 404         pos += scnprintf(buf + pos, bufsz - pos,
 405                          "  %-30s %10u  %10u  %10u  %10u\n",
 406                          "expected_ack_cnt:",
 407                          le32_to_cpu(tx->expected_ack_cnt),
 408                          accum_tx->expected_ack_cnt,
 409                          delta_tx->expected_ack_cnt,
 410                          max_tx->expected_ack_cnt);
 411         pos += scnprintf(buf + pos, bufsz - pos,
 412                          "  %-30s %10u  %10u  %10u  %10u\n",
 413                          "actual_ack_cnt:",
 414                          le32_to_cpu(tx->actual_ack_cnt),
 415                          accum_tx->actual_ack_cnt,
 416                          delta_tx->actual_ack_cnt,
 417                          max_tx->actual_ack_cnt);
 418
 419         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 420         kfree(buf);
 421         return ret;
 422 }
 423
 424 ssize_t iwl3945_ucode_general_stats_read(struct file *file,
 425                                          char __user *user_buf,
 426                                          size_t count, loff_t *ppos)
 427 {
 428         struct iwl_priv *priv = file->private_data;
 429         int pos = 0;
 430         char *buf;
 431         int bufsz = sizeof(struct iwl39_statistics_general) * 10 + 300;
 432         ssize_t ret;
 433         struct iwl39_statistics_general *general, *accum_general;
 434         struct iwl39_statistics_general *delta_general, *max_general;
 435         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 436         struct iwl39_statistics_div *div, *accum_div, *delta_div, *max_div;
 437
 438         if (!iwl_legacy_is_alive(priv))
 439                 return -EAGAIN;
 440
 441         buf = kzalloc(bufsz, GFP_KERNEL);
 442         if (!buf) {
 443                 IWL_ERR(priv, "Can not allocate Buffer\n");
 444                 return -ENOMEM;
 445         }
 446
 447         /*
 448          * The statistic information display here is based on
 449          * the last statistics notification from uCode
 450          * might not reflect the current uCode activity
 451          */
 452         general = &priv->_3945.statistics.general;
 453         dbg = &priv->_3945.statistics.general.dbg;
 454         div = &priv->_3945.statistics.general.div;
 455         accum_general = &priv->_3945.accum_statistics.general;
 456         delta_general = &priv->_3945.delta_statistics.general;
 457         max_general = &priv->_3945.max_delta.general;
 458         accum_dbg = &priv->_3945.accum_statistics.general.dbg;
 459         delta_dbg = &priv->_3945.delta_statistics.general.dbg;
 460         max_dbg = &priv->_3945.max_delta.general.dbg;
 461         accum_div = &priv->_3945.accum_statistics.general.div;
 462         delta_div = &priv->_3945.delta_statistics.general.div;
 463         max_div = &priv->_3945.max_delta.general.div;
 464         pos += iwl3945_statistics_flag(priv, buf, bufsz);
 465         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 466                          "acumulative       delta         max\n",
 467                          "Statistics_General:");
 468         pos += scnprintf(buf + pos, bufsz - pos,
 469                          "  %-30s %10u  %10u  %10u  %10u\n",
 470                          "burst_check:",
 471                          le32_to_cpu(dbg->burst_check),
 472                          accum_dbg->burst_check,
 473                          delta_dbg->burst_check, max_dbg->burst_check);
 474         pos += scnprintf(buf + pos, bufsz - pos,
 475                          "  %-30s %10u  %10u  %10u  %10u\n",
 476                          "burst_count:",
 477                          le32_to_cpu(dbg->burst_count),
 478                          accum_dbg->burst_count,
 479                          delta_dbg->burst_count, max_dbg->burst_count);
 480         pos += scnprintf(buf + pos, bufsz - pos,
 481                          "  %-30s %10u  %10u  %10u  %10u\n",
 482                          "sleep_time:",
 483                          le32_to_cpu(general->sleep_time),
 484                          accum_general->sleep_time,
 485                          delta_general->sleep_time, max_general->sleep_time);
 486         pos += scnprintf(buf + pos, bufsz - pos,
 487                          "  %-30s %10u  %10u  %10u  %10u\n",
 488                          "slots_out:",
 489                          le32_to_cpu(general->slots_out),
 490                          accum_general->slots_out,
 491                          delta_general->slots_out, max_general->slots_out);
 492         pos += scnprintf(buf + pos, bufsz - pos,
 493                          "  %-30s %10u  %10u  %10u  %10u\n",
 494                          "slots_idle:",
 495                          le32_to_cpu(general->slots_idle),
 496                          accum_general->slots_idle,
 497                          delta_general->slots_idle, max_general->slots_idle);
 498         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
 499                          le32_to_cpu(general->ttl_timestamp));
 500         pos += scnprintf(buf + pos, bufsz - pos,
 501                          "  %-30s %10u  %10u  %10u  %10u\n",
 502                          "tx_on_a:",
 503                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 504                          delta_div->tx_on_a, max_div->tx_on_a);
 505         pos += scnprintf(buf + pos, bufsz - pos,
 506                          "  %-30s %10u  %10u  %10u  %10u\n",
 507                          "tx_on_b:",
 508                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 509                          delta_div->tx_on_b, max_div->tx_on_b);
 510         pos += scnprintf(buf + pos, bufsz - pos,
 511                          "  %-30s %10u  %10u  %10u  %10u\n",
 512                          "exec_time:",
 513                          le32_to_cpu(div->exec_time), accum_div->exec_time,
 514                          delta_div->exec_time, max_div->exec_time);
 515         pos += scnprintf(buf + pos, bufsz - pos,
 516                          "  %-30s %10u  %10u  %10u  %10u\n",
 517                          "probe_time:",
 518                          le32_to_cpu(div->probe_time), accum_div->probe_time,
 519                          delta_div->probe_time, max_div->probe_time);
 520         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 521         kfree(buf);
 522         return ret;
 523 }