LXR linux/drivers/net/wireless/iwlegacy/4965-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#include "common.h"
  29#include "4965.h"
  30
  31static const char *fmt_value = "  %-30s %10u\n";
  32static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
  33static const char *fmt_header =
  34    "%-32s    current  cumulative       delta         max\n";
  35
  36static int
  37il4965_stats_flag(struct il_priv *il, char *buf, int bufsz)
  38{
  39        int p = 0;
  40        u32 flag;
  41
  42        flag = le32_to_cpu(il->_4965.stats.flag);
  43
  44        p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
  45        if (flag & UCODE_STATS_CLEAR_MSK)
  46                p += scnprintf(buf + p, bufsz - p,
  47                               "\tStatistics have been cleared\n");
  48        p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
  49                       (flag & UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" :
  50                       "5.2 GHz");
  51        p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  52                       (flag & UCODE_STATS_NARROW_BAND_MSK) ? "enabled" :
  53                       "disabled");
  54
  55        return p;
  56}
  57
  58ssize_t
  59il4965_ucode_rx_stats_read(struct file *file, char __user *user_buf,
  60                           size_t count, loff_t *ppos)
  61{
  62        struct il_priv *il = file->private_data;
  63        int pos = 0;
  64        char *buf;
  65        int bufsz =
  66            sizeof(struct stats_rx_phy) * 40 +
  67            sizeof(struct stats_rx_non_phy) * 40 +
  68            sizeof(struct stats_rx_ht_phy) * 40 + 400;
  69        ssize_t ret;
  70        struct stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
  71        struct stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  72        struct stats_rx_non_phy *general, *accum_general;
  73        struct stats_rx_non_phy *delta_general, *max_general;
  74        struct stats_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
  75
  76        if (!il_is_alive(il))
  77                return -EAGAIN;
  78
  79        buf = kzalloc(bufsz, GFP_KERNEL);
  80        if (!buf) {
  81                IL_ERR("Can not allocate Buffer\n");
  82                return -ENOMEM;
  83        }
  84
  85        /*
  86         * the statistic information display here is based on
  87         * the last stats notification from uCode
  88         * might not reflect the current uCode activity
  89         */
  90        ofdm = &il->_4965.stats.rx.ofdm;
  91        cck = &il->_4965.stats.rx.cck;
  92        general = &il->_4965.stats.rx.general;
  93        ht = &il->_4965.stats.rx.ofdm_ht;
  94        accum_ofdm = &il->_4965.accum_stats.rx.ofdm;
  95        accum_cck = &il->_4965.accum_stats.rx.cck;
  96        accum_general = &il->_4965.accum_stats.rx.general;
  97        accum_ht = &il->_4965.accum_stats.rx.ofdm_ht;
  98        delta_ofdm = &il->_4965.delta_stats.rx.ofdm;
  99        delta_cck = &il->_4965.delta_stats.rx.cck;
 100        delta_general = &il->_4965.delta_stats.rx.general;
 101        delta_ht = &il->_4965.delta_stats.rx.ofdm_ht;
 102        max_ofdm = &il->_4965.max_delta.rx.ofdm;
 103        max_cck = &il->_4965.max_delta.rx.cck;
 104        max_general = &il->_4965.max_delta.rx.general;
 105        max_ht = &il->_4965.max_delta.rx.ofdm_ht;
 106
 107        pos += il4965_stats_flag(il, buf, bufsz);
 108        pos +=
 109            scnprintf(buf + pos, bufsz - pos, fmt_header,
 110                      "Statistics_Rx - OFDM:");
 111        pos +=
 112            scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
 113                      le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
 114                      delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 115        pos +=
 116            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
 117                      le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 118                      delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 119        pos +=
 120            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 121                      le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 122                      delta_ofdm->plcp_err, max_ofdm->plcp_err);
 123        pos +=
 124            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 125                      le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 126                      delta_ofdm->crc32_err, max_ofdm->crc32_err);
 127        pos +=
 128            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 129                      le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
 130                      delta_ofdm->overrun_err, max_ofdm->overrun_err);
 131        pos +=
 132            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 133                      le32_to_cpu(ofdm->early_overrun_err),
 134                      accum_ofdm->early_overrun_err,
 135                      delta_ofdm->early_overrun_err,
 136                      max_ofdm->early_overrun_err);
 137        pos +=
 138            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 139                      le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
 140                      delta_ofdm->crc32_good, max_ofdm->crc32_good);
 141        pos +=
 142            scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
 143                      le32_to_cpu(ofdm->false_alarm_cnt),
 144                      accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
 145                      max_ofdm->false_alarm_cnt);
 146        pos +=
 147            scnprintf(buf + pos, bufsz - pos, fmt_table, "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 +=
 153            scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
 154                      le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
 155                      delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
 156        pos +=
 157            scnprintf(buf + pos, bufsz - pos, fmt_table, "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, fmt_table, "unresponded_rts:",
 162                      le32_to_cpu(ofdm->unresponded_rts),
 163                      accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
 164                      max_ofdm->unresponded_rts);
 165        pos +=
 166            scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
 167                      le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 168                      accum_ofdm->rxe_frame_limit_overrun,
 169                      delta_ofdm->rxe_frame_limit_overrun,
 170                      max_ofdm->rxe_frame_limit_overrun);
 171        pos +=
 172            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
 173                      le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
 174                      delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
 175        pos +=
 176            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
 177                      le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
 178                      delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
 179        pos +=
 180            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
 181                      le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 182                      accum_ofdm->sent_ba_rsp_cnt, delta_ofdm->sent_ba_rsp_cnt,
 183                      max_ofdm->sent_ba_rsp_cnt);
 184        pos +=
 185            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
 186                      le32_to_cpu(ofdm->dsp_self_kill),
 187                      accum_ofdm->dsp_self_kill, delta_ofdm->dsp_self_kill,
 188                      max_ofdm->dsp_self_kill);
 189        pos +=
 190            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 191                      le32_to_cpu(ofdm->mh_format_err),
 192                      accum_ofdm->mh_format_err, delta_ofdm->mh_format_err,
 193                      max_ofdm->mh_format_err);
 194        pos +=
 195            scnprintf(buf + pos, bufsz - pos, fmt_table,
 196                      "re_acq_main_rssi_sum:",
 197                      le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 198                      accum_ofdm->re_acq_main_rssi_sum,
 199                      delta_ofdm->re_acq_main_rssi_sum,
 200                      max_ofdm->re_acq_main_rssi_sum);
 201
 202        pos +=
 203            scnprintf(buf + pos, bufsz - pos, fmt_header,
 204                      "Statistics_Rx - CCK:");
 205        pos +=
 206            scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
 207                      le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 208                      delta_cck->ina_cnt, max_cck->ina_cnt);
 209        pos +=
 210            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
 211                      le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 212                      delta_cck->fina_cnt, max_cck->fina_cnt);
 213        pos +=
 214            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 215                      le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 216                      delta_cck->plcp_err, max_cck->plcp_err);
 217        pos +=
 218            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 219                      le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 220                      delta_cck->crc32_err, max_cck->crc32_err);
 221        pos +=
 222            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 223                      le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
 224                      delta_cck->overrun_err, max_cck->overrun_err);
 225        pos +=
 226            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 227                      le32_to_cpu(cck->early_overrun_err),
 228                      accum_cck->early_overrun_err,
 229                      delta_cck->early_overrun_err, max_cck->early_overrun_err);
 230        pos +=
 231            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 232                      le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 233                      delta_cck->crc32_good, max_cck->crc32_good);
 234        pos +=
 235            scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
 236                      le32_to_cpu(cck->false_alarm_cnt),
 237                      accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
 238                      max_cck->false_alarm_cnt);
 239        pos +=
 240            scnprintf(buf + pos, bufsz - pos, fmt_table, "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, max_cck->fina_sync_err_cnt);
 244        pos +=
 245            scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
 246                      le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
 247                      delta_cck->sfd_timeout, max_cck->sfd_timeout);
 248        pos +=
 249            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
 250                      le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
 251                      delta_cck->fina_timeout, max_cck->fina_timeout);
 252        pos +=
 253            scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
 254                      le32_to_cpu(cck->unresponded_rts),
 255                      accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 256                      max_cck->unresponded_rts);
 257        pos +=
 258            scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
 259                      le32_to_cpu(cck->rxe_frame_limit_overrun),
 260                      accum_cck->rxe_frame_limit_overrun,
 261                      delta_cck->rxe_frame_limit_overrun,
 262                      max_cck->rxe_frame_limit_overrun);
 263        pos +=
 264            scnprintf(buf + pos, bufsz - pos, fmt_table, "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, fmt_table, "sent_cts_cnt:",
 269                      le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
 270                      delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
 271        pos +=
 272            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
 273                      le32_to_cpu(cck->sent_ba_rsp_cnt),
 274                      accum_cck->sent_ba_rsp_cnt, delta_cck->sent_ba_rsp_cnt,
 275                      max_cck->sent_ba_rsp_cnt);
 276        pos +=
 277            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
 278                      le32_to_cpu(cck->dsp_self_kill), accum_cck->dsp_self_kill,
 279                      delta_cck->dsp_self_kill, max_cck->dsp_self_kill);
 280        pos +=
 281            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 282                      le32_to_cpu(cck->mh_format_err), accum_cck->mh_format_err,
 283                      delta_cck->mh_format_err, max_cck->mh_format_err);
 284        pos +=
 285            scnprintf(buf + pos, bufsz - pos, fmt_table,
 286                      "re_acq_main_rssi_sum:",
 287                      le32_to_cpu(cck->re_acq_main_rssi_sum),
 288                      accum_cck->re_acq_main_rssi_sum,
 289                      delta_cck->re_acq_main_rssi_sum,
 290                      max_cck->re_acq_main_rssi_sum);
 291
 292        pos +=
 293            scnprintf(buf + pos, bufsz - pos, fmt_header,
 294                      "Statistics_Rx - GENERAL:");
 295        pos +=
 296            scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_cts:",
 297                      le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
 298                      delta_general->bogus_cts, max_general->bogus_cts);
 299        pos +=
 300            scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_ack:",
 301                      le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
 302                      delta_general->bogus_ack, max_general->bogus_ack);
 303        pos +=
 304            scnprintf(buf + pos, bufsz - pos, fmt_table, "non_bssid_frames:",
 305                      le32_to_cpu(general->non_bssid_frames),
 306                      accum_general->non_bssid_frames,
 307                      delta_general->non_bssid_frames,
 308                      max_general->non_bssid_frames);
 309        pos +=
 310            scnprintf(buf + pos, bufsz - pos, fmt_table, "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 +=
 316            scnprintf(buf + pos, bufsz - pos, fmt_table, "non_channel_beacons:",
 317                      le32_to_cpu(general->non_channel_beacons),
 318                      accum_general->non_channel_beacons,
 319                      delta_general->non_channel_beacons,
 320                      max_general->non_channel_beacons);
 321        pos +=
 322            scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_beacons:",
 323                      le32_to_cpu(general->channel_beacons),
 324                      accum_general->channel_beacons,
 325                      delta_general->channel_beacons,
 326                      max_general->channel_beacons);
 327        pos +=
 328            scnprintf(buf + pos, bufsz - pos, fmt_table, "num_missed_bcon:",
 329                      le32_to_cpu(general->num_missed_bcon),
 330                      accum_general->num_missed_bcon,
 331                      delta_general->num_missed_bcon,
 332                      max_general->num_missed_bcon);
 333        pos +=
 334            scnprintf(buf + pos, bufsz - pos, fmt_table,
 335                      "adc_rx_saturation_time:",
 336                      le32_to_cpu(general->adc_rx_saturation_time),
 337                      accum_general->adc_rx_saturation_time,
 338                      delta_general->adc_rx_saturation_time,
 339                      max_general->adc_rx_saturation_time);
 340        pos +=
 341            scnprintf(buf + pos, bufsz - pos, fmt_table,
 342                      "ina_detect_search_tm:",
 343                      le32_to_cpu(general->ina_detection_search_time),
 344                      accum_general->ina_detection_search_time,
 345                      delta_general->ina_detection_search_time,
 346                      max_general->ina_detection_search_time);
 347        pos +=
 348            scnprintf(buf + pos, bufsz - pos, fmt_table,
 349                      "beacon_silence_rssi_a:",
 350                      le32_to_cpu(general->beacon_silence_rssi_a),
 351                      accum_general->beacon_silence_rssi_a,
 352                      delta_general->beacon_silence_rssi_a,
 353                      max_general->beacon_silence_rssi_a);
 354        pos +=
 355            scnprintf(buf + pos, bufsz - pos, fmt_table,
 356                      "beacon_silence_rssi_b:",
 357                      le32_to_cpu(general->beacon_silence_rssi_b),
 358                      accum_general->beacon_silence_rssi_b,
 359                      delta_general->beacon_silence_rssi_b,
 360                      max_general->beacon_silence_rssi_b);
 361        pos +=
 362            scnprintf(buf + pos, bufsz - pos, fmt_table,
 363                      "beacon_silence_rssi_c:",
 364                      le32_to_cpu(general->beacon_silence_rssi_c),
 365                      accum_general->beacon_silence_rssi_c,
 366                      delta_general->beacon_silence_rssi_c,
 367                      max_general->beacon_silence_rssi_c);
 368        pos +=
 369            scnprintf(buf + pos, bufsz - pos, fmt_table,
 370                      "interference_data_flag:",
 371                      le32_to_cpu(general->interference_data_flag),
 372                      accum_general->interference_data_flag,
 373                      delta_general->interference_data_flag,
 374                      max_general->interference_data_flag);
 375        pos +=
 376            scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_load:",
 377                      le32_to_cpu(general->channel_load),
 378                      accum_general->channel_load, delta_general->channel_load,
 379                      max_general->channel_load);
 380        pos +=
 381            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_false_alarms:",
 382                      le32_to_cpu(general->dsp_false_alarms),
 383                      accum_general->dsp_false_alarms,
 384                      delta_general->dsp_false_alarms,
 385                      max_general->dsp_false_alarms);
 386        pos +=
 387            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_a:",
 388                      le32_to_cpu(general->beacon_rssi_a),
 389                      accum_general->beacon_rssi_a,
 390                      delta_general->beacon_rssi_a, max_general->beacon_rssi_a);
 391        pos +=
 392            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_b:",
 393                      le32_to_cpu(general->beacon_rssi_b),
 394                      accum_general->beacon_rssi_b,
 395                      delta_general->beacon_rssi_b, max_general->beacon_rssi_b);
 396        pos +=
 397            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_c:",
 398                      le32_to_cpu(general->beacon_rssi_c),
 399                      accum_general->beacon_rssi_c,
 400                      delta_general->beacon_rssi_c, max_general->beacon_rssi_c);
 401        pos +=
 402            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_a:",
 403                      le32_to_cpu(general->beacon_energy_a),
 404                      accum_general->beacon_energy_a,
 405                      delta_general->beacon_energy_a,
 406                      max_general->beacon_energy_a);
 407        pos +=
 408            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_b:",
 409                      le32_to_cpu(general->beacon_energy_b),
 410                      accum_general->beacon_energy_b,
 411                      delta_general->beacon_energy_b,
 412                      max_general->beacon_energy_b);
 413        pos +=
 414            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_c:",
 415                      le32_to_cpu(general->beacon_energy_c),
 416                      accum_general->beacon_energy_c,
 417                      delta_general->beacon_energy_c,
 418                      max_general->beacon_energy_c);
 419
 420        pos +=
 421            scnprintf(buf + pos, bufsz - pos, fmt_header,
 422                      "Statistics_Rx - OFDM_HT:");
 423        pos +=
 424            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 425                      le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
 426                      delta_ht->plcp_err, max_ht->plcp_err);
 427        pos +=
 428            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 429                      le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
 430                      delta_ht->overrun_err, max_ht->overrun_err);
 431        pos +=
 432            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 433                      le32_to_cpu(ht->early_overrun_err),
 434                      accum_ht->early_overrun_err, delta_ht->early_overrun_err,
 435                      max_ht->early_overrun_err);
 436        pos +=
 437            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 438                      le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
 439                      delta_ht->crc32_good, max_ht->crc32_good);
 440        pos +=
 441            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 442                      le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
 443                      delta_ht->crc32_err, max_ht->crc32_err);
 444        pos +=
 445            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 446                      le32_to_cpu(ht->mh_format_err), accum_ht->mh_format_err,
 447                      delta_ht->mh_format_err, max_ht->mh_format_err);
 448        pos +=
 449            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_crc32_good:",
 450                      le32_to_cpu(ht->agg_crc32_good), accum_ht->agg_crc32_good,
 451                      delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
 452        pos +=
 453            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_mpdu_cnt:",
 454                      le32_to_cpu(ht->agg_mpdu_cnt), accum_ht->agg_mpdu_cnt,
 455                      delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
 456        pos +=
 457            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_cnt:",
 458                      le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
 459                      delta_ht->agg_cnt, max_ht->agg_cnt);
 460        pos +=
 461            scnprintf(buf + pos, bufsz - pos, fmt_table, "unsupport_mcs:",
 462                      le32_to_cpu(ht->unsupport_mcs), accum_ht->unsupport_mcs,
 463                      delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
 464
 465        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 466        kfree(buf);
 467        return ret;
 468}
 469
 470ssize_t
 471il4965_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 472                           size_t count, loff_t *ppos)
 473{
 474        struct il_priv *il = file->private_data;
 475        int pos = 0;
 476        char *buf;
 477        int bufsz = (sizeof(struct stats_tx) * 48) + 250;
 478        ssize_t ret;
 479        struct stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
 480
 481        if (!il_is_alive(il))
 482                return -EAGAIN;
 483
 484        buf = kzalloc(bufsz, GFP_KERNEL);
 485        if (!buf) {
 486                IL_ERR("Can not allocate Buffer\n");
 487                return -ENOMEM;
 488        }
 489
 490        /* the statistic information display here is based on
 491         * the last stats notification from uCode
 492         * might not reflect the current uCode activity
 493         */
 494        tx = &il->_4965.stats.tx;
 495        accum_tx = &il->_4965.accum_stats.tx;
 496        delta_tx = &il->_4965.delta_stats.tx;
 497        max_tx = &il->_4965.max_delta.tx;
 498
 499        pos += il4965_stats_flag(il, buf, bufsz);
 500        pos += scnprintf(buf + pos, bufsz - pos, fmt_header, "Statistics_Tx:");
 501        pos +=
 502            scnprintf(buf + pos, bufsz - pos, fmt_table, "preamble:",
 503                      le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
 504                      delta_tx->preamble_cnt, max_tx->preamble_cnt);
 505        pos +=
 506            scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_detected_cnt:",
 507                      le32_to_cpu(tx->rx_detected_cnt),
 508                      accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
 509                      max_tx->rx_detected_cnt);
 510        pos +=
 511            scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_defer_cnt:",
 512                      le32_to_cpu(tx->bt_prio_defer_cnt),
 513                      accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
 514                      max_tx->bt_prio_defer_cnt);
 515        pos +=
 516            scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_kill_cnt:",
 517                      le32_to_cpu(tx->bt_prio_kill_cnt),
 518                      accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
 519                      max_tx->bt_prio_kill_cnt);
 520        pos +=
 521            scnprintf(buf + pos, bufsz - pos, fmt_table, "few_bytes_cnt:",
 522                      le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
 523                      delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 524        pos +=
 525            scnprintf(buf + pos, bufsz - pos, fmt_table, "cts_timeout:",
 526                      le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 527                      delta_tx->cts_timeout, max_tx->cts_timeout);
 528        pos +=
 529            scnprintf(buf + pos, bufsz - pos, fmt_table, "ack_timeout:",
 530                      le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
 531                      delta_tx->ack_timeout, max_tx->ack_timeout);
 532        pos +=
 533            scnprintf(buf + pos, bufsz - pos, fmt_table, "expected_ack_cnt:",
 534                      le32_to_cpu(tx->expected_ack_cnt),
 535                      accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
 536                      max_tx->expected_ack_cnt);
 537        pos +=
 538            scnprintf(buf + pos, bufsz - pos, fmt_table, "actual_ack_cnt:",
 539                      le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
 540                      delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
 541        pos +=
 542            scnprintf(buf + pos, bufsz - pos, fmt_table, "dump_msdu_cnt:",
 543                      le32_to_cpu(tx->dump_msdu_cnt), accum_tx->dump_msdu_cnt,
 544                      delta_tx->dump_msdu_cnt, max_tx->dump_msdu_cnt);
 545        pos +=
 546            scnprintf(buf + pos, bufsz - pos, fmt_table,
 547                      "abort_nxt_frame_mismatch:",
 548                      le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
 549                      accum_tx->burst_abort_next_frame_mismatch_cnt,
 550                      delta_tx->burst_abort_next_frame_mismatch_cnt,
 551                      max_tx->burst_abort_next_frame_mismatch_cnt);
 552        pos +=
 553            scnprintf(buf + pos, bufsz - pos, fmt_table,
 554                      "abort_missing_nxt_frame:",
 555                      le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
 556                      accum_tx->burst_abort_missing_next_frame_cnt,
 557                      delta_tx->burst_abort_missing_next_frame_cnt,
 558                      max_tx->burst_abort_missing_next_frame_cnt);
 559        pos +=
 560            scnprintf(buf + pos, bufsz - pos, fmt_table,
 561                      "cts_timeout_collision:",
 562                      le32_to_cpu(tx->cts_timeout_collision),
 563                      accum_tx->cts_timeout_collision,
 564                      delta_tx->cts_timeout_collision,
 565                      max_tx->cts_timeout_collision);
 566        pos +=
 567            scnprintf(buf + pos, bufsz - pos, fmt_table,
 568                      "ack_ba_timeout_collision:",
 569                      le32_to_cpu(tx->ack_or_ba_timeout_collision),
 570                      accum_tx->ack_or_ba_timeout_collision,
 571                      delta_tx->ack_or_ba_timeout_collision,
 572                      max_tx->ack_or_ba_timeout_collision);
 573        pos +=
 574            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg ba_timeout:",
 575                      le32_to_cpu(tx->agg.ba_timeout), accum_tx->agg.ba_timeout,
 576                      delta_tx->agg.ba_timeout, max_tx->agg.ba_timeout);
 577        pos +=
 578            scnprintf(buf + pos, bufsz - pos, fmt_table,
 579                      "agg ba_resched_frames:",
 580                      le32_to_cpu(tx->agg.ba_reschedule_frames),
 581                      accum_tx->agg.ba_reschedule_frames,
 582                      delta_tx->agg.ba_reschedule_frames,
 583                      max_tx->agg.ba_reschedule_frames);
 584        pos +=
 585            scnprintf(buf + pos, bufsz - pos, fmt_table,
 586                      "agg scd_query_agg_frame:",
 587                      le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
 588                      accum_tx->agg.scd_query_agg_frame_cnt,
 589                      delta_tx->agg.scd_query_agg_frame_cnt,
 590                      max_tx->agg.scd_query_agg_frame_cnt);
 591        pos +=
 592            scnprintf(buf + pos, bufsz - pos, fmt_table,
 593                      "agg scd_query_no_agg:",
 594                      le32_to_cpu(tx->agg.scd_query_no_agg),
 595                      accum_tx->agg.scd_query_no_agg,
 596                      delta_tx->agg.scd_query_no_agg,
 597                      max_tx->agg.scd_query_no_agg);
 598        pos +=
 599            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg scd_query_agg:",
 600                      le32_to_cpu(tx->agg.scd_query_agg),
 601                      accum_tx->agg.scd_query_agg, delta_tx->agg.scd_query_agg,
 602                      max_tx->agg.scd_query_agg);
 603        pos +=
 604            scnprintf(buf + pos, bufsz - pos, fmt_table,
 605                      "agg scd_query_mismatch:",
 606                      le32_to_cpu(tx->agg.scd_query_mismatch),
 607                      accum_tx->agg.scd_query_mismatch,
 608                      delta_tx->agg.scd_query_mismatch,
 609                      max_tx->agg.scd_query_mismatch);
 610        pos +=
 611            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg frame_not_ready:",
 612                      le32_to_cpu(tx->agg.frame_not_ready),
 613                      accum_tx->agg.frame_not_ready,
 614                      delta_tx->agg.frame_not_ready,
 615                      max_tx->agg.frame_not_ready);
 616        pos +=
 617            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:",
 618                      le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun,
 619                      delta_tx->agg.underrun, max_tx->agg.underrun);
 620        pos +=
 621            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg bt_prio_kill:",
 622                      le32_to_cpu(tx->agg.bt_prio_kill),
 623                      accum_tx->agg.bt_prio_kill, delta_tx->agg.bt_prio_kill,
 624                      max_tx->agg.bt_prio_kill);
 625        pos +=
 626            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg rx_ba_rsp_cnt:",
 627                      le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
 628                      accum_tx->agg.rx_ba_rsp_cnt, delta_tx->agg.rx_ba_rsp_cnt,
 629                      max_tx->agg.rx_ba_rsp_cnt);
 630
 631        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 632        kfree(buf);
 633        return ret;
 634}
 635
 636ssize_t
 637il4965_ucode_general_stats_read(struct file *file, char __user *user_buf,
 638                                size_t count, loff_t *ppos)
 639{
 640        struct il_priv *il = file->private_data;
 641        int pos = 0;
 642        char *buf;
 643        int bufsz = sizeof(struct stats_general) * 10 + 300;
 644        ssize_t ret;
 645        struct stats_general_common *general, *accum_general;
 646        struct stats_general_common *delta_general, *max_general;
 647        struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 648        struct stats_div *div, *accum_div, *delta_div, *max_div;
 649
 650        if (!il_is_alive(il))
 651                return -EAGAIN;
 652
 653        buf = kzalloc(bufsz, GFP_KERNEL);
 654        if (!buf) {
 655                IL_ERR("Can not allocate Buffer\n");
 656                return -ENOMEM;
 657        }
 658
 659        /* the statistic information display here is based on
 660         * the last stats notification from uCode
 661         * might not reflect the current uCode activity
 662         */
 663        general = &il->_4965.stats.general.common;
 664        dbg = &il->_4965.stats.general.common.dbg;
 665        div = &il->_4965.stats.general.common.div;
 666        accum_general = &il->_4965.accum_stats.general.common;
 667        accum_dbg = &il->_4965.accum_stats.general.common.dbg;
 668        accum_div = &il->_4965.accum_stats.general.common.div;
 669        delta_general = &il->_4965.delta_stats.general.common;
 670        max_general = &il->_4965.max_delta.general.common;
 671        delta_dbg = &il->_4965.delta_stats.general.common.dbg;
 672        max_dbg = &il->_4965.max_delta.general.common.dbg;
 673        delta_div = &il->_4965.delta_stats.general.common.div;
 674        max_div = &il->_4965.max_delta.general.common.div;
 675
 676        pos += il4965_stats_flag(il, buf, bufsz);
 677        pos +=
 678            scnprintf(buf + pos, bufsz - pos, fmt_header,
 679                      "Statistics_General:");
 680        pos +=
 681            scnprintf(buf + pos, bufsz - pos, fmt_value, "temperature:",
 682                      le32_to_cpu(general->temperature));
 683        pos +=
 684            scnprintf(buf + pos, bufsz - pos, fmt_value, "ttl_timestamp:",
 685                      le32_to_cpu(general->ttl_timestamp));
 686        pos +=
 687            scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_check:",
 688                      le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
 689                      delta_dbg->burst_check, max_dbg->burst_check);
 690        pos +=
 691            scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_count:",
 692                      le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
 693                      delta_dbg->burst_count, max_dbg->burst_count);
 694        pos +=
 695            scnprintf(buf + pos, bufsz - pos, fmt_table,
 696                      "wait_for_silence_timeout_count:",
 697                      le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
 698                      accum_dbg->wait_for_silence_timeout_cnt,
 699                      delta_dbg->wait_for_silence_timeout_cnt,
 700                      max_dbg->wait_for_silence_timeout_cnt);
 701        pos +=
 702            scnprintf(buf + pos, bufsz - pos, fmt_table, "sleep_time:",
 703                      le32_to_cpu(general->sleep_time),
 704                      accum_general->sleep_time, delta_general->sleep_time,
 705                      max_general->sleep_time);
 706        pos +=
 707            scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_out:",
 708                      le32_to_cpu(general->slots_out), accum_general->slots_out,
 709                      delta_general->slots_out, max_general->slots_out);
 710        pos +=
 711            scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_idle:",
 712                      le32_to_cpu(general->slots_idle),
 713                      accum_general->slots_idle, delta_general->slots_idle,
 714                      max_general->slots_idle);
 715        pos +=
 716            scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_a:",
 717                      le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 718                      delta_div->tx_on_a, max_div->tx_on_a);
 719        pos +=
 720            scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_b:",
 721                      le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 722                      delta_div->tx_on_b, max_div->tx_on_b);
 723        pos +=
 724            scnprintf(buf + pos, bufsz - pos, fmt_table, "exec_time:",
 725                      le32_to_cpu(div->exec_time), accum_div->exec_time,
 726                      delta_div->exec_time, max_div->exec_time);
 727        pos +=
 728            scnprintf(buf + pos, bufsz - pos, fmt_table, "probe_time:",
 729                      le32_to_cpu(div->probe_time), accum_div->probe_time,
 730                      delta_div->probe_time, max_div->probe_time);
 731        pos +=
 732            scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_enable_counter:",
 733                      le32_to_cpu(general->rx_enable_counter),
 734                      accum_general->rx_enable_counter,
 735                      delta_general->rx_enable_counter,
 736                      max_general->rx_enable_counter);
 737        pos +=
 738            scnprintf(buf + pos, bufsz - pos, fmt_table, "num_of_sos_states:",
 739                      le32_to_cpu(general->num_of_sos_states),
 740                      accum_general->num_of_sos_states,
 741                      delta_general->num_of_sos_states,
 742                      max_general->num_of_sos_states);
 743        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 744        kfree(buf);
 745        return ret;
 746}
 747
 748const struct il_debugfs_ops il4965_debugfs_ops = {
 749        .rx_stats_read = il4965_ucode_rx_stats_read,
 750        .tx_stats_read = il4965_ucode_tx_stats_read,
 751        .general_stats_read = il4965_ucode_general_stats_read,
 752};
 753