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

   1 /******************************************************************************
   2 *
   3 * GPL LICENSE SUMMARY
   4 *
   5 * Copyright(c) 2008 - 2010 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-agn-debugfs.h"
  30
  31 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
  32 {
  33         int p = 0;
  34
  35         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
  36                        le32_to_cpu(priv->_agn.statistics.flag));
  37         if (le32_to_cpu(priv->_agn.statistics.flag) &
  38                         UCODE_STATISTICS_CLEAR_MSK)
  39                 p += scnprintf(buf + p, bufsz - p,
  40                                "\tStatistics have been cleared\n");
  41         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
  42                        (le32_to_cpu(priv->_agn.statistics.flag) &
  43                         UCODE_STATISTICS_FREQUENCY_MSK)
  44                         ? "2.4 GHz" : "5.2 GHz");
  45         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  46                        (le32_to_cpu(priv->_agn.statistics.flag) &
  47                         UCODE_STATISTICS_NARROW_BAND_MSK)
  48                         ? "enabled" : "disabled");
  49         return p;
  50 }
  51
  52 ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf,
  53                                 size_t count, loff_t *ppos)
  54   {
  55         struct iwl_priv *priv = file->private_data;
  56         int pos = 0;
  57         char *buf;
  58         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
  59                     sizeof(struct statistics_rx_non_phy) * 40 +
  60                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
  61         ssize_t ret;
  62         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
  63         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  64         struct statistics_rx_non_phy *general, *accum_general;
  65         struct statistics_rx_non_phy *delta_general, *max_general;
  66         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
  67
  68         if (!iwl_is_alive(priv))
  69                 return -EAGAIN;
  70
  71         buf = kzalloc(bufsz, GFP_KERNEL);
  72         if (!buf) {
  73                 IWL_ERR(priv, "Can not allocate Buffer\n");
  74                 return -ENOMEM;
  75         }
  76
  77         /*
  78          * the statistic information display here is based on
  79          * the last statistics notification from uCode
  80          * might not reflect the current uCode activity
  81          */
  82         ofdm = &priv->_agn.statistics.rx.ofdm;
  83         cck = &priv->_agn.statistics.rx.cck;
  84         general = &priv->_agn.statistics.rx.general;
  85         ht = &priv->_agn.statistics.rx.ofdm_ht;
  86         accum_ofdm = &priv->_agn.accum_statistics.rx.ofdm;
  87         accum_cck = &priv->_agn.accum_statistics.rx.cck;
  88         accum_general = &priv->_agn.accum_statistics.rx.general;
  89         accum_ht = &priv->_agn.accum_statistics.rx.ofdm_ht;
  90         delta_ofdm = &priv->_agn.delta_statistics.rx.ofdm;
  91         delta_cck = &priv->_agn.delta_statistics.rx.cck;
  92         delta_general = &priv->_agn.delta_statistics.rx.general;
  93         delta_ht = &priv->_agn.delta_statistics.rx.ofdm_ht;
  94         max_ofdm = &priv->_agn.max_delta.rx.ofdm;
  95         max_cck = &priv->_agn.max_delta.rx.cck;
  96         max_general = &priv->_agn.max_delta.rx.general;
  97         max_ht = &priv->_agn.max_delta.rx.ofdm_ht;
  98
  99         pos += iwl_statistics_flag(priv, buf, bufsz);
 100         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 101                          "acumulative       delta         max\n",
 102                          "Statistics_Rx - OFDM:");
 103         pos += scnprintf(buf + pos, bufsz - pos,
 104                          "  %-30s %10u  %10u  %10u  %10u\n",
 105                          "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
 106                          accum_ofdm->ina_cnt,
 107                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 108         pos += scnprintf(buf + pos, bufsz - pos,
 109                          "  %-30s %10u  %10u  %10u  %10u\n",
 110                          "fina_cnt:",
 111                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 112                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 113         pos += scnprintf(buf + pos, bufsz - pos,
 114                          "  %-30s %10u  %10u  %10u  %10u\n",
 115                          "plcp_err:",
 116                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 117                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 118         pos += scnprintf(buf + pos, bufsz - pos,
 119                          "  %-30s %10u  %10u  %10u  %10u\n", "crc32_err:",
 120                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 121                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 122         pos += scnprintf(buf + pos, bufsz - pos,
 123                          "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 124                          le32_to_cpu(ofdm->overrun_err),
 125                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 126                          max_ofdm->overrun_err);
 127         pos += scnprintf(buf + pos, bufsz - pos,
 128                          "  %-30s %10u  %10u  %10u  %10u\n",
 129                          "early_overrun_err:",
 130                          le32_to_cpu(ofdm->early_overrun_err),
 131                          accum_ofdm->early_overrun_err,
 132                          delta_ofdm->early_overrun_err,
 133                          max_ofdm->early_overrun_err);
 134         pos += scnprintf(buf + pos, bufsz - pos,
 135                          "  %-30s %10u  %10u  %10u  %10u\n",
 136                          "crc32_good:", le32_to_cpu(ofdm->crc32_good),
 137                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
 138                          max_ofdm->crc32_good);
 139         pos += scnprintf(buf + pos, bufsz - pos,
 140                          "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 141                          le32_to_cpu(ofdm->false_alarm_cnt),
 142                          accum_ofdm->false_alarm_cnt,
 143                          delta_ofdm->false_alarm_cnt,
 144                          max_ofdm->false_alarm_cnt);
 145         pos += scnprintf(buf + pos, bufsz - pos,
 146                          "  %-30s %10u  %10u  %10u  %10u\n",
 147                          "fina_sync_err_cnt:",
 148                          le32_to_cpu(ofdm->fina_sync_err_cnt),
 149                          accum_ofdm->fina_sync_err_cnt,
 150                          delta_ofdm->fina_sync_err_cnt,
 151                          max_ofdm->fina_sync_err_cnt);
 152         pos += scnprintf(buf + pos, bufsz - pos,
 153                          "  %-30s %10u  %10u  %10u  %10u\n", "sfd_timeout:",
 154                          le32_to_cpu(ofdm->sfd_timeout),
 155                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
 156                          max_ofdm->sfd_timeout);
 157         pos += scnprintf(buf + pos, bufsz - pos,
 158                          "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 159                          le32_to_cpu(ofdm->fina_timeout),
 160                          accum_ofdm->fina_timeout, 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", "sent_ack_cnt:",
 178                          le32_to_cpu(ofdm->sent_ack_cnt),
 179                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
 180                          max_ofdm->sent_ack_cnt);
 181         pos += scnprintf(buf + pos, bufsz - pos,
 182                          "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 183                          le32_to_cpu(ofdm->sent_cts_cnt),
 184                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
 185                          max_ofdm->sent_cts_cnt);
 186         pos += scnprintf(buf + pos, bufsz - pos,
 187                          "  %-30s %10u  %10u  %10u  %10u\n",
 188                          "sent_ba_rsp_cnt:",
 189                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 190                          accum_ofdm->sent_ba_rsp_cnt,
 191                          delta_ofdm->sent_ba_rsp_cnt,
 192                          max_ofdm->sent_ba_rsp_cnt);
 193         pos += scnprintf(buf + pos, bufsz - pos,
 194                          "  %-30s %10u  %10u  %10u  %10u\n", "dsp_self_kill:",
 195                          le32_to_cpu(ofdm->dsp_self_kill),
 196                          accum_ofdm->dsp_self_kill,
 197                          delta_ofdm->dsp_self_kill,
 198                          max_ofdm->dsp_self_kill);
 199         pos += scnprintf(buf + pos, bufsz - pos,
 200                          "  %-30s %10u  %10u  %10u  %10u\n",
 201                          "mh_format_err:",
 202                          le32_to_cpu(ofdm->mh_format_err),
 203                          accum_ofdm->mh_format_err,
 204                          delta_ofdm->mh_format_err,
 205                          max_ofdm->mh_format_err);
 206         pos += scnprintf(buf + pos, bufsz - pos,
 207                          "  %-30s %10u  %10u  %10u  %10u\n",
 208                          "re_acq_main_rssi_sum:",
 209                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 210                          accum_ofdm->re_acq_main_rssi_sum,
 211                          delta_ofdm->re_acq_main_rssi_sum,
 212                          max_ofdm->re_acq_main_rssi_sum);
 213
 214         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 215                          "acumulative       delta         max\n",
 216                          "Statistics_Rx - CCK:");
 217         pos += scnprintf(buf + pos, bufsz - pos,
 218                          "  %-30s %10u  %10u  %10u  %10u\n",
 219                          "ina_cnt:",
 220                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 221                          delta_cck->ina_cnt, max_cck->ina_cnt);
 222         pos += scnprintf(buf + pos, bufsz - pos,
 223                          "  %-30s %10u  %10u  %10u  %10u\n",
 224                          "fina_cnt:",
 225                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 226                          delta_cck->fina_cnt, max_cck->fina_cnt);
 227         pos += scnprintf(buf + pos, bufsz - pos,
 228                          "  %-30s %10u  %10u  %10u  %10u\n",
 229                          "plcp_err:",
 230                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 231                          delta_cck->plcp_err, max_cck->plcp_err);
 232         pos += scnprintf(buf + pos, bufsz - pos,
 233                          "  %-30s %10u  %10u  %10u  %10u\n",
 234                          "crc32_err:",
 235                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 236                          delta_cck->crc32_err, max_cck->crc32_err);
 237         pos += scnprintf(buf + pos, bufsz - pos,
 238                          "  %-30s %10u  %10u  %10u  %10u\n",
 239                          "overrun_err:",
 240                          le32_to_cpu(cck->overrun_err),
 241                          accum_cck->overrun_err, delta_cck->overrun_err,
 242                          max_cck->overrun_err);
 243         pos += scnprintf(buf + pos, bufsz - pos,
 244                          "  %-30s %10u  %10u  %10u  %10u\n",
 245                          "early_overrun_err:",
 246                          le32_to_cpu(cck->early_overrun_err),
 247                          accum_cck->early_overrun_err,
 248                          delta_cck->early_overrun_err,
 249                          max_cck->early_overrun_err);
 250         pos += scnprintf(buf + pos, bufsz - pos,
 251                          "  %-30s %10u  %10u  %10u  %10u\n",
 252                          "crc32_good:",
 253                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 254                          delta_cck->crc32_good, max_cck->crc32_good);
 255         pos += scnprintf(buf + pos, bufsz - pos,
 256                          "  %-30s %10u  %10u  %10u  %10u\n",
 257                          "false_alarm_cnt:",
 258                          le32_to_cpu(cck->false_alarm_cnt),
 259                          accum_cck->false_alarm_cnt,
 260                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
 261         pos += scnprintf(buf + pos, bufsz - pos,
 262                          "  %-30s %10u  %10u  %10u  %10u\n",
 263                          "fina_sync_err_cnt:",
 264                          le32_to_cpu(cck->fina_sync_err_cnt),
 265                          accum_cck->fina_sync_err_cnt,
 266                          delta_cck->fina_sync_err_cnt,
 267                          max_cck->fina_sync_err_cnt);
 268         pos += scnprintf(buf + pos, bufsz - pos,
 269                          "  %-30s %10u  %10u  %10u  %10u\n",
 270                          "sfd_timeout:",
 271                          le32_to_cpu(cck->sfd_timeout),
 272                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
 273                          max_cck->sfd_timeout);
 274         pos += scnprintf(buf + pos, bufsz - pos,
 275                          "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 276                          le32_to_cpu(cck->fina_timeout),
 277                          accum_cck->fina_timeout, delta_cck->fina_timeout,
 278                          max_cck->fina_timeout);
 279         pos += scnprintf(buf + pos, bufsz - pos,
 280                          "  %-30s %10u  %10u  %10u  %10u\n",
 281                          "unresponded_rts:",
 282                          le32_to_cpu(cck->unresponded_rts),
 283                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 284                          max_cck->unresponded_rts);
 285         pos += scnprintf(buf + pos, bufsz - pos,
 286                          "  %-30s %10u  %10u  %10u  %10u\n",
 287                          "rxe_frame_lmt_ovrun:",
 288                          le32_to_cpu(cck->rxe_frame_limit_overrun),
 289                          accum_cck->rxe_frame_limit_overrun,
 290                          delta_cck->rxe_frame_limit_overrun,
 291                          max_cck->rxe_frame_limit_overrun);
 292         pos += scnprintf(buf + pos, bufsz - pos,
 293                          "  %-30s %10u  %10u  %10u  %10u\n", "sent_ack_cnt:",
 294                          le32_to_cpu(cck->sent_ack_cnt),
 295                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
 296                          max_cck->sent_ack_cnt);
 297         pos += scnprintf(buf + pos, bufsz - pos,
 298                          "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 299                          le32_to_cpu(cck->sent_cts_cnt),
 300                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
 301                          max_cck->sent_cts_cnt);
 302         pos += scnprintf(buf + pos, bufsz - pos,
 303                          "  %-30s %10u  %10u  %10u  %10u\n", "sent_ba_rsp_cnt:",
 304                          le32_to_cpu(cck->sent_ba_rsp_cnt),
 305                          accum_cck->sent_ba_rsp_cnt,
 306                          delta_cck->sent_ba_rsp_cnt,
 307                          max_cck->sent_ba_rsp_cnt);
 308         pos += scnprintf(buf + pos, bufsz - pos,
 309                          "  %-30s %10u  %10u  %10u  %10u\n", "dsp_self_kill:",
 310                          le32_to_cpu(cck->dsp_self_kill),
 311                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
 312                          max_cck->dsp_self_kill);
 313         pos += scnprintf(buf + pos, bufsz - pos,
 314                          "  %-30s %10u  %10u  %10u  %10u\n", "mh_format_err:",
 315                          le32_to_cpu(cck->mh_format_err),
 316                          accum_cck->mh_format_err, delta_cck->mh_format_err,
 317                          max_cck->mh_format_err);
 318         pos += scnprintf(buf + pos, bufsz - pos,
 319                          "  %-30s %10u  %10u  %10u  %10u\n",
 320                          "re_acq_main_rssi_sum:",
 321                          le32_to_cpu(cck->re_acq_main_rssi_sum),
 322                          accum_cck->re_acq_main_rssi_sum,
 323                          delta_cck->re_acq_main_rssi_sum,
 324                          max_cck->re_acq_main_rssi_sum);
 325
 326         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 327                          "acumulative       delta         max\n",
 328                          "Statistics_Rx - GENERAL:");
 329         pos += scnprintf(buf + pos, bufsz - pos,
 330                          "  %-30s %10u  %10u  %10u  %10u\n", "bogus_cts:",
 331                          le32_to_cpu(general->bogus_cts),
 332                          accum_general->bogus_cts, delta_general->bogus_cts,
 333                          max_general->bogus_cts);
 334         pos += scnprintf(buf + pos, bufsz - pos,
 335                          "  %-30s %10u  %10u  %10u  %10u\n", "bogus_ack:",
 336                          le32_to_cpu(general->bogus_ack),
 337                          accum_general->bogus_ack, delta_general->bogus_ack,
 338                          max_general->bogus_ack);
 339         pos += scnprintf(buf + pos, bufsz - pos,
 340                          "  %-30s %10u  %10u  %10u  %10u\n",
 341                          "non_bssid_frames:",
 342                          le32_to_cpu(general->non_bssid_frames),
 343                          accum_general->non_bssid_frames,
 344                          delta_general->non_bssid_frames,
 345                          max_general->non_bssid_frames);
 346         pos += scnprintf(buf + pos, bufsz - pos,
 347                          "  %-30s %10u  %10u  %10u  %10u\n",
 348                          "filtered_frames:",
 349                          le32_to_cpu(general->filtered_frames),
 350                          accum_general->filtered_frames,
 351                          delta_general->filtered_frames,
 352                          max_general->filtered_frames);
 353         pos += scnprintf(buf + pos, bufsz - pos,
 354                          "  %-30s %10u  %10u  %10u  %10u\n",
 355                          "non_channel_beacons:",
 356                          le32_to_cpu(general->non_channel_beacons),
 357                          accum_general->non_channel_beacons,
 358                          delta_general->non_channel_beacons,
 359                          max_general->non_channel_beacons);
 360         pos += scnprintf(buf + pos, bufsz - pos,
 361                          "  %-30s %10u  %10u  %10u  %10u\n",
 362                          "channel_beacons:",
 363                          le32_to_cpu(general->channel_beacons),
 364                          accum_general->channel_beacons,
 365                          delta_general->channel_beacons,
 366                          max_general->channel_beacons);
 367         pos += scnprintf(buf + pos, bufsz - pos,
 368                          "  %-30s %10u  %10u  %10u  %10u\n",
 369                          "num_missed_bcon:",
 370                          le32_to_cpu(general->num_missed_bcon),
 371                          accum_general->num_missed_bcon,
 372                          delta_general->num_missed_bcon,
 373                          max_general->num_missed_bcon);
 374         pos += scnprintf(buf + pos, bufsz - pos,
 375                          "  %-30s %10u  %10u  %10u  %10u\n",
 376                          "adc_rx_saturation_time:",
 377                          le32_to_cpu(general->adc_rx_saturation_time),
 378                          accum_general->adc_rx_saturation_time,
 379                          delta_general->adc_rx_saturation_time,
 380                          max_general->adc_rx_saturation_time);
 381         pos += scnprintf(buf + pos, bufsz - pos,
 382                          "  %-30s %10u  %10u  %10u  %10u\n",
 383                          "ina_detect_search_tm:",
 384                          le32_to_cpu(general->ina_detection_search_time),
 385                          accum_general->ina_detection_search_time,
 386                          delta_general->ina_detection_search_time,
 387                          max_general->ina_detection_search_time);
 388         pos += scnprintf(buf + pos, bufsz - pos,
 389                          "  %-30s %10u  %10u  %10u  %10u\n",
 390                          "beacon_silence_rssi_a:",
 391                          le32_to_cpu(general->beacon_silence_rssi_a),
 392                          accum_general->beacon_silence_rssi_a,
 393                          delta_general->beacon_silence_rssi_a,
 394                          max_general->beacon_silence_rssi_a);
 395         pos += scnprintf(buf + pos, bufsz - pos,
 396                          "  %-30s %10u  %10u  %10u  %10u\n",
 397                          "beacon_silence_rssi_b:",
 398                          le32_to_cpu(general->beacon_silence_rssi_b),
 399                          accum_general->beacon_silence_rssi_b,
 400                          delta_general->beacon_silence_rssi_b,
 401                          max_general->beacon_silence_rssi_b);
 402         pos += scnprintf(buf + pos, bufsz - pos,
 403                          "  %-30s %10u  %10u  %10u  %10u\n",
 404                          "beacon_silence_rssi_c:",
 405                          le32_to_cpu(general->beacon_silence_rssi_c),
 406                          accum_general->beacon_silence_rssi_c,
 407                          delta_general->beacon_silence_rssi_c,
 408                          max_general->beacon_silence_rssi_c);
 409         pos += scnprintf(buf + pos, bufsz - pos,
 410                          "  %-30s %10u  %10u  %10u  %10u\n",
 411                          "interference_data_flag:",
 412                          le32_to_cpu(general->interference_data_flag),
 413                          accum_general->interference_data_flag,
 414                          delta_general->interference_data_flag,
 415                          max_general->interference_data_flag);
 416         pos += scnprintf(buf + pos, bufsz - pos,
 417                          "  %-30s %10u  %10u  %10u  %10u\n",
 418                          "channel_load:",
 419                          le32_to_cpu(general->channel_load),
 420                          accum_general->channel_load,
 421                          delta_general->channel_load,
 422                          max_general->channel_load);
 423         pos += scnprintf(buf + pos, bufsz - pos,
 424                          "  %-30s %10u  %10u  %10u  %10u\n",
 425                          "dsp_false_alarms:",
 426                          le32_to_cpu(general->dsp_false_alarms),
 427                          accum_general->dsp_false_alarms,
 428                          delta_general->dsp_false_alarms,
 429                          max_general->dsp_false_alarms);
 430         pos += scnprintf(buf + pos, bufsz - pos,
 431                          "  %-30s %10u  %10u  %10u  %10u\n",
 432                          "beacon_rssi_a:",
 433                          le32_to_cpu(general->beacon_rssi_a),
 434                          accum_general->beacon_rssi_a,
 435                          delta_general->beacon_rssi_a,
 436                          max_general->beacon_rssi_a);
 437         pos += scnprintf(buf + pos, bufsz - pos,
 438                          "  %-30s %10u  %10u  %10u  %10u\n",
 439                          "beacon_rssi_b:",
 440                          le32_to_cpu(general->beacon_rssi_b),
 441                          accum_general->beacon_rssi_b,
 442                          delta_general->beacon_rssi_b,
 443                          max_general->beacon_rssi_b);
 444         pos += scnprintf(buf + pos, bufsz - pos,
 445                          "  %-30s %10u  %10u  %10u  %10u\n",
 446                          "beacon_rssi_c:",
 447                          le32_to_cpu(general->beacon_rssi_c),
 448                          accum_general->beacon_rssi_c,
 449                          delta_general->beacon_rssi_c,
 450                          max_general->beacon_rssi_c);
 451         pos += scnprintf(buf + pos, bufsz - pos,
 452                          "  %-30s %10u  %10u  %10u  %10u\n",
 453                          "beacon_energy_a:",
 454                          le32_to_cpu(general->beacon_energy_a),
 455                          accum_general->beacon_energy_a,
 456                          delta_general->beacon_energy_a,
 457                          max_general->beacon_energy_a);
 458         pos += scnprintf(buf + pos, bufsz - pos,
 459                          "  %-30s %10u  %10u  %10u  %10u\n",
 460                          "beacon_energy_b:",
 461                          le32_to_cpu(general->beacon_energy_b),
 462                          accum_general->beacon_energy_b,
 463                          delta_general->beacon_energy_b,
 464                          max_general->beacon_energy_b);
 465         pos += scnprintf(buf + pos, bufsz - pos,
 466                          "  %-30s %10u  %10u  %10u  %10u\n",
 467                          "beacon_energy_c:",
 468                          le32_to_cpu(general->beacon_energy_c),
 469                          accum_general->beacon_energy_c,
 470                          delta_general->beacon_energy_c,
 471                          max_general->beacon_energy_c);
 472
 473         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
 474         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 475                          "acumulative       delta         max\n",
 476                          "Statistics_Rx - OFDM_HT:");
 477         pos += scnprintf(buf + pos, bufsz - pos,
 478                          "  %-30s %10u  %10u  %10u  %10u\n",
 479                          "plcp_err:",
 480                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
 481                          delta_ht->plcp_err, max_ht->plcp_err);
 482         pos += scnprintf(buf + pos, bufsz - pos,
 483                          "  %-30s %10u  %10u  %10u  %10u\n",
 484                          "overrun_err:",
 485                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
 486                          delta_ht->overrun_err, max_ht->overrun_err);
 487         pos += scnprintf(buf + pos, bufsz - pos,
 488                          "  %-30s %10u  %10u  %10u  %10u\n",
 489                          "early_overrun_err:",
 490                          le32_to_cpu(ht->early_overrun_err),
 491                          accum_ht->early_overrun_err,
 492                          delta_ht->early_overrun_err,
 493                          max_ht->early_overrun_err);
 494         pos += scnprintf(buf + pos, bufsz - pos,
 495                          "  %-30s %10u  %10u  %10u  %10u\n",
 496                          "crc32_good:",
 497                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
 498                          delta_ht->crc32_good, max_ht->crc32_good);
 499         pos += scnprintf(buf + pos, bufsz - pos,
 500                          "  %-30s %10u  %10u  %10u  %10u\n",
 501                          "crc32_err:",
 502                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
 503                          delta_ht->crc32_err, max_ht->crc32_err);
 504         pos += scnprintf(buf + pos, bufsz - pos,
 505                          "  %-30s %10u  %10u  %10u  %10u\n",
 506                          "mh_format_err:",
 507                          le32_to_cpu(ht->mh_format_err),
 508                          accum_ht->mh_format_err,
 509                          delta_ht->mh_format_err, max_ht->mh_format_err);
 510         pos += scnprintf(buf + pos, bufsz - pos,
 511                          "  %-30s %10u  %10u  %10u  %10u\n",
 512                          "agg_crc32_good:",
 513                          le32_to_cpu(ht->agg_crc32_good),
 514                          accum_ht->agg_crc32_good,
 515                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
 516         pos += scnprintf(buf + pos, bufsz - pos,
 517                          "  %-30s %10u  %10u  %10u  %10u\n",
 518                          "agg_mpdu_cnt:",
 519                          le32_to_cpu(ht->agg_mpdu_cnt),
 520                          accum_ht->agg_mpdu_cnt,
 521                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
 522         pos += scnprintf(buf + pos, bufsz - pos,
 523                          "  %-30s %10u  %10u  %10u  %10u\n",
 524                          "agg_cnt:",
 525                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
 526                          delta_ht->agg_cnt, max_ht->agg_cnt);
 527         pos += scnprintf(buf + pos, bufsz - pos,
 528                          "  %-30s %10u  %10u  %10u  %10u\n",
 529                          "unsupport_mcs:",
 530                          le32_to_cpu(ht->unsupport_mcs),
 531                          accum_ht->unsupport_mcs,
 532                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
 533
 534         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 535         kfree(buf);
 536         return ret;
 537 }
 538
 539 ssize_t iwl_ucode_tx_stats_read(struct file *file,
 540                                 char __user *user_buf,
 541                                 size_t count, loff_t *ppos)
 542 {
 543         struct iwl_priv *priv = file->private_data;
 544         int pos = 0;
 545         char *buf;
 546         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
 547         ssize_t ret;
 548         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
 549
 550         if (!iwl_is_alive(priv))
 551                 return -EAGAIN;
 552
 553         buf = kzalloc(bufsz, GFP_KERNEL);
 554         if (!buf) {
 555                 IWL_ERR(priv, "Can not allocate Buffer\n");
 556                 return -ENOMEM;
 557         }
 558
 559         /* the statistic information display here is based on
 560           * the last statistics notification from uCode
 561           * might not reflect the current uCode activity
 562           */
 563         tx = &priv->_agn.statistics.tx;
 564         accum_tx = &priv->_agn.accum_statistics.tx;
 565         delta_tx = &priv->_agn.delta_statistics.tx;
 566         max_tx = &priv->_agn.max_delta.tx;
 567         pos += iwl_statistics_flag(priv, buf, bufsz);
 568         pos += scnprintf(buf + pos, bufsz - pos,  "%-32s     current"
 569                          "acumulative       delta         max\n",
 570                          "Statistics_Tx:");
 571         pos += scnprintf(buf + pos, bufsz - pos,
 572                          "  %-30s %10u  %10u  %10u  %10u\n",
 573                          "preamble:",
 574                          le32_to_cpu(tx->preamble_cnt),
 575                          accum_tx->preamble_cnt,
 576                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
 577         pos += scnprintf(buf + pos, bufsz - pos,
 578                          "  %-30s %10u  %10u  %10u  %10u\n",
 579                          "rx_detected_cnt:",
 580                          le32_to_cpu(tx->rx_detected_cnt),
 581                          accum_tx->rx_detected_cnt,
 582                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
 583         pos += scnprintf(buf + pos, bufsz - pos,
 584                          "  %-30s %10u  %10u  %10u  %10u\n",
 585                          "bt_prio_defer_cnt:",
 586                          le32_to_cpu(tx->bt_prio_defer_cnt),
 587                          accum_tx->bt_prio_defer_cnt,
 588                          delta_tx->bt_prio_defer_cnt,
 589                          max_tx->bt_prio_defer_cnt);
 590         pos += scnprintf(buf + pos, bufsz - pos,
 591                          "  %-30s %10u  %10u  %10u  %10u\n",
 592                          "bt_prio_kill_cnt:",
 593                          le32_to_cpu(tx->bt_prio_kill_cnt),
 594                          accum_tx->bt_prio_kill_cnt,
 595                          delta_tx->bt_prio_kill_cnt,
 596                          max_tx->bt_prio_kill_cnt);
 597         pos += scnprintf(buf + pos, bufsz - pos,
 598                          "  %-30s %10u  %10u  %10u  %10u\n",
 599                          "few_bytes_cnt:",
 600                          le32_to_cpu(tx->few_bytes_cnt),
 601                          accum_tx->few_bytes_cnt,
 602                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 603         pos += scnprintf(buf + pos, bufsz - pos,
 604                          "  %-30s %10u  %10u  %10u  %10u\n",
 605                          "cts_timeout:",
 606                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 607                          delta_tx->cts_timeout, max_tx->cts_timeout);
 608         pos += scnprintf(buf + pos, bufsz - pos,
 609                          "  %-30s %10u  %10u  %10u  %10u\n",
 610                          "ack_timeout:",
 611                          le32_to_cpu(tx->ack_timeout),
 612                          accum_tx->ack_timeout,
 613                          delta_tx->ack_timeout, max_tx->ack_timeout);
 614         pos += scnprintf(buf + pos, bufsz - pos,
 615                          "  %-30s %10u  %10u  %10u  %10u\n",
 616                          "expected_ack_cnt:",
 617                          le32_to_cpu(tx->expected_ack_cnt),
 618                          accum_tx->expected_ack_cnt,
 619                          delta_tx->expected_ack_cnt,
 620                          max_tx->expected_ack_cnt);
 621         pos += scnprintf(buf + pos, bufsz - pos,
 622                          "  %-30s %10u  %10u  %10u  %10u\n",
 623                          "actual_ack_cnt:",
 624                          le32_to_cpu(tx->actual_ack_cnt),
 625                          accum_tx->actual_ack_cnt,
 626                          delta_tx->actual_ack_cnt,
 627                          max_tx->actual_ack_cnt);
 628         pos += scnprintf(buf + pos, bufsz - pos,
 629                          "  %-30s %10u  %10u  %10u  %10u\n",
 630                          "dump_msdu_cnt:",
 631                          le32_to_cpu(tx->dump_msdu_cnt),
 632                          accum_tx->dump_msdu_cnt,
 633                          delta_tx->dump_msdu_cnt,
 634                          max_tx->dump_msdu_cnt);
 635         pos += scnprintf(buf + pos, bufsz - pos,
 636                          "  %-30s %10u  %10u  %10u  %10u\n",
 637                          "abort_nxt_frame_mismatch:",
 638                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
 639                          accum_tx->burst_abort_next_frame_mismatch_cnt,
 640                          delta_tx->burst_abort_next_frame_mismatch_cnt,
 641                          max_tx->burst_abort_next_frame_mismatch_cnt);
 642         pos += scnprintf(buf + pos, bufsz - pos,
 643                          "  %-30s %10u  %10u  %10u  %10u\n",
 644                          "abort_missing_nxt_frame:",
 645                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
 646                          accum_tx->burst_abort_missing_next_frame_cnt,
 647                          delta_tx->burst_abort_missing_next_frame_cnt,
 648                          max_tx->burst_abort_missing_next_frame_cnt);
 649         pos += scnprintf(buf + pos, bufsz - pos,
 650                          "  %-30s %10u  %10u  %10u  %10u\n",
 651                          "cts_timeout_collision:",
 652                          le32_to_cpu(tx->cts_timeout_collision),
 653                          accum_tx->cts_timeout_collision,
 654                          delta_tx->cts_timeout_collision,
 655                          max_tx->cts_timeout_collision);
 656         pos += scnprintf(buf + pos, bufsz - pos,
 657                          "  %-30s %10u  %10u  %10u  %10u\n",
 658                          "ack_ba_timeout_collision:",
 659                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
 660                          accum_tx->ack_or_ba_timeout_collision,
 661                          delta_tx->ack_or_ba_timeout_collision,
 662                          max_tx->ack_or_ba_timeout_collision);
 663         pos += scnprintf(buf + pos, bufsz - pos,
 664                          "  %-30s %10u  %10u  %10u  %10u\n",
 665                          "agg ba_timeout:",
 666                          le32_to_cpu(tx->agg.ba_timeout),
 667                          accum_tx->agg.ba_timeout,
 668                          delta_tx->agg.ba_timeout,
 669                          max_tx->agg.ba_timeout);
 670         pos += scnprintf(buf + pos, bufsz - pos,
 671                          "  %-30s %10u  %10u  %10u  %10u\n",
 672                          "agg ba_resched_frames:",
 673                          le32_to_cpu(tx->agg.ba_reschedule_frames),
 674                          accum_tx->agg.ba_reschedule_frames,
 675                          delta_tx->agg.ba_reschedule_frames,
 676                          max_tx->agg.ba_reschedule_frames);
 677         pos += scnprintf(buf + pos, bufsz - pos,
 678                          "  %-30s %10u  %10u  %10u  %10u\n",
 679                          "agg scd_query_agg_frame:",
 680                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
 681                          accum_tx->agg.scd_query_agg_frame_cnt,
 682                          delta_tx->agg.scd_query_agg_frame_cnt,
 683                          max_tx->agg.scd_query_agg_frame_cnt);
 684         pos += scnprintf(buf + pos, bufsz - pos,
 685                          "  %-30s %10u  %10u  %10u  %10u\n",
 686                          "agg scd_query_no_agg:",
 687                          le32_to_cpu(tx->agg.scd_query_no_agg),
 688                          accum_tx->agg.scd_query_no_agg,
 689                          delta_tx->agg.scd_query_no_agg,
 690                          max_tx->agg.scd_query_no_agg);
 691         pos += scnprintf(buf + pos, bufsz - pos,
 692                          "  %-30s %10u  %10u  %10u  %10u\n",
 693                          "agg scd_query_agg:",
 694                          le32_to_cpu(tx->agg.scd_query_agg),
 695                          accum_tx->agg.scd_query_agg,
 696                          delta_tx->agg.scd_query_agg,
 697                          max_tx->agg.scd_query_agg);
 698         pos += scnprintf(buf + pos, bufsz - pos,
 699                          "  %-30s %10u  %10u  %10u  %10u\n",
 700                          "agg scd_query_mismatch:",
 701                          le32_to_cpu(tx->agg.scd_query_mismatch),
 702                          accum_tx->agg.scd_query_mismatch,
 703                          delta_tx->agg.scd_query_mismatch,
 704                          max_tx->agg.scd_query_mismatch);
 705         pos += scnprintf(buf + pos, bufsz - pos,
 706                          "  %-30s %10u  %10u  %10u  %10u\n",
 707                          "agg frame_not_ready:",
 708                          le32_to_cpu(tx->agg.frame_not_ready),
 709                          accum_tx->agg.frame_not_ready,
 710                          delta_tx->agg.frame_not_ready,
 711                          max_tx->agg.frame_not_ready);
 712         pos += scnprintf(buf + pos, bufsz - pos,
 713                          "  %-30s %10u  %10u  %10u  %10u\n",
 714                          "agg underrun:",
 715                          le32_to_cpu(tx->agg.underrun),
 716                          accum_tx->agg.underrun,
 717                          delta_tx->agg.underrun, max_tx->agg.underrun);
 718         pos += scnprintf(buf + pos, bufsz - pos,
 719                          "  %-30s %10u  %10u  %10u  %10u\n",
 720                          "agg bt_prio_kill:",
 721                          le32_to_cpu(tx->agg.bt_prio_kill),
 722                          accum_tx->agg.bt_prio_kill,
 723                          delta_tx->agg.bt_prio_kill,
 724                          max_tx->agg.bt_prio_kill);
 725         pos += scnprintf(buf + pos, bufsz - pos,
 726                          "  %-30s %10u  %10u  %10u  %10u\n",
 727                          "agg rx_ba_rsp_cnt:",
 728                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
 729                          accum_tx->agg.rx_ba_rsp_cnt,
 730                          delta_tx->agg.rx_ba_rsp_cnt,
 731                          max_tx->agg.rx_ba_rsp_cnt);
 732
 733         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
 734                 pos += scnprintf(buf + pos, bufsz - pos,
 735                         "tx power: (1/2 dB step)\n");
 736                 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
 737                         pos += scnprintf(buf + pos, bufsz - pos,
 738                                         "\tantenna A: 0x%X\n",
 739                                         tx->tx_power.ant_a);
 740                 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
 741                         pos += scnprintf(buf + pos, bufsz - pos,
 742                                         "\tantenna B: 0x%X\n",
 743                                         tx->tx_power.ant_b);
 744                 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
 745                         pos += scnprintf(buf + pos, bufsz - pos,
 746                                         "\tantenna C: 0x%X\n",
 747                                         tx->tx_power.ant_c);
 748         }
 749         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 750         kfree(buf);
 751         return ret;
 752 }
 753
 754 ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf,
 755                                      size_t count, loff_t *ppos)
 756 {
 757         struct iwl_priv *priv = file->private_data;
 758         int pos = 0;
 759         char *buf;
 760         int bufsz = sizeof(struct statistics_general) * 10 + 300;
 761         ssize_t ret;
 762         struct statistics_general *general, *accum_general;
 763         struct statistics_general *delta_general, *max_general;
 764         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 765         struct statistics_div *div, *accum_div, *delta_div, *max_div;
 766
 767         if (!iwl_is_alive(priv))
 768                 return -EAGAIN;
 769
 770         buf = kzalloc(bufsz, GFP_KERNEL);
 771         if (!buf) {
 772                 IWL_ERR(priv, "Can not allocate Buffer\n");
 773                 return -ENOMEM;
 774         }
 775
 776         /* the statistic information display here is based on
 777           * the last statistics notification from uCode
 778           * might not reflect the current uCode activity
 779           */
 780         general = &priv->_agn.statistics.general;
 781         dbg = &priv->_agn.statistics.general.dbg;
 782         div = &priv->_agn.statistics.general.div;
 783         accum_general = &priv->_agn.accum_statistics.general;
 784         delta_general = &priv->_agn.delta_statistics.general;
 785         max_general = &priv->_agn.max_delta.general;
 786         accum_dbg = &priv->_agn.accum_statistics.general.dbg;
 787         delta_dbg = &priv->_agn.delta_statistics.general.dbg;
 788         max_dbg = &priv->_agn.max_delta.general.dbg;
 789         accum_div = &priv->_agn.accum_statistics.general.div;
 790         delta_div = &priv->_agn.delta_statistics.general.div;
 791         max_div = &priv->_agn.max_delta.general.div;
 792         pos += iwl_statistics_flag(priv, buf, bufsz);
 793         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 794                          "acumulative       delta         max\n",
 795                          "Statistics_General:");
 796         pos += scnprintf(buf + pos, bufsz - pos, "  %-30s %10u\n",
 797                          "temperature:",
 798                          le32_to_cpu(general->temperature));
 799         pos += scnprintf(buf + pos, bufsz - pos, "  %-30s %10u\n",
 800                          "temperature_m:",
 801                          le32_to_cpu(general->temperature_m));
 802         pos += scnprintf(buf + pos, bufsz - pos,
 803                          "  %-30s %10u  %10u  %10u  %10u\n",
 804                          "burst_check:",
 805                          le32_to_cpu(dbg->burst_check),
 806                          accum_dbg->burst_check,
 807                          delta_dbg->burst_check, max_dbg->burst_check);
 808         pos += scnprintf(buf + pos, bufsz - pos,
 809                          "  %-30s %10u  %10u  %10u  %10u\n",
 810                          "burst_count:",
 811                          le32_to_cpu(dbg->burst_count),
 812                          accum_dbg->burst_count,
 813                          delta_dbg->burst_count, max_dbg->burst_count);
 814         pos += scnprintf(buf + pos, bufsz - pos,
 815                          "  %-30s %10u  %10u  %10u  %10u\n",
 816                          "sleep_time:",
 817                          le32_to_cpu(general->sleep_time),
 818                          accum_general->sleep_time,
 819                          delta_general->sleep_time, max_general->sleep_time);
 820         pos += scnprintf(buf + pos, bufsz - pos,
 821                          "  %-30s %10u  %10u  %10u  %10u\n",
 822                          "slots_out:",
 823                          le32_to_cpu(general->slots_out),
 824                          accum_general->slots_out,
 825                          delta_general->slots_out, max_general->slots_out);
 826         pos += scnprintf(buf + pos, bufsz - pos,
 827                          "  %-30s %10u  %10u  %10u  %10u\n",
 828                          "slots_idle:",
 829                          le32_to_cpu(general->slots_idle),
 830                          accum_general->slots_idle,
 831                          delta_general->slots_idle, max_general->slots_idle);
 832         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
 833                          le32_to_cpu(general->ttl_timestamp));
 834         pos += scnprintf(buf + pos, bufsz - pos,
 835                          "  %-30s %10u  %10u  %10u  %10u\n",
 836                          "tx_on_a:",
 837                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 838                          delta_div->tx_on_a, max_div->tx_on_a);
 839         pos += scnprintf(buf + pos, bufsz - pos,
 840                          "  %-30s %10u  %10u  %10u  %10u\n",
 841                          "tx_on_b:",
 842                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 843                          delta_div->tx_on_b, max_div->tx_on_b);
 844         pos += scnprintf(buf + pos, bufsz - pos,
 845                          "  %-30s %10u  %10u  %10u  %10u\n",
 846                          "exec_time:",
 847                          le32_to_cpu(div->exec_time), accum_div->exec_time,
 848                          delta_div->exec_time, max_div->exec_time);
 849         pos += scnprintf(buf + pos, bufsz - pos,
 850                          "  %-30s %10u  %10u  %10u  %10u\n",
 851                          "probe_time:",
 852                          le32_to_cpu(div->probe_time), accum_div->probe_time,
 853                          delta_div->probe_time, max_div->probe_time);
 854         pos += scnprintf(buf + pos, bufsz - pos,
 855                          "  %-30s %10u  %10u  %10u  %10u\n",
 856                          "rx_enable_counter:",
 857                          le32_to_cpu(general->rx_enable_counter),
 858                          accum_general->rx_enable_counter,
 859                          delta_general->rx_enable_counter,
 860                          max_general->rx_enable_counter);
 861         pos += scnprintf(buf + pos, bufsz - pos,
 862                          "  %-30s %10u  %10u  %10u  %10u\n",
 863                          "num_of_sos_states:",
 864                          le32_to_cpu(general->num_of_sos_states),
 865                          accum_general->num_of_sos_states,
 866                          delta_general->num_of_sos_states,
 867                          max_general->num_of_sos_states);
 868         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 869         kfree(buf);
 870         return ret;
 871 }