linux/drivers/net/wireless/intel/iwlegacy/4965-debug.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/******************************************************************************
   3*
   4* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   5*
   6* Contact Information:
   7*  Intel Linux Wireless <ilw@linux.intel.com>
   8* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   9*****************************************************************************/
  10#include "common.h"
  11#include "4965.h"
  12
  13static const char *fmt_value = "  %-30s %10u\n";
  14static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
  15static const char *fmt_header =
  16    "%-32s    current  cumulative       delta         max\n";
  17
  18static int
  19il4965_stats_flag(struct il_priv *il, char *buf, int bufsz)
  20{
  21        int p = 0;
  22        u32 flag;
  23
  24        flag = le32_to_cpu(il->_4965.stats.flag);
  25
  26        p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
  27        if (flag & UCODE_STATS_CLEAR_MSK)
  28                p += scnprintf(buf + p, bufsz - p,
  29                               "\tStatistics have been cleared\n");
  30        p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
  31                       (flag & UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" :
  32                       "5.2 GHz");
  33        p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  34                       (flag & UCODE_STATS_NARROW_BAND_MSK) ? "enabled" :
  35                       "disabled");
  36
  37        return p;
  38}
  39
  40static ssize_t
  41il4965_ucode_rx_stats_read(struct file *file, char __user *user_buf,
  42                           size_t count, loff_t *ppos)
  43{
  44        struct il_priv *il = file->private_data;
  45        int pos = 0;
  46        char *buf;
  47        int bufsz =
  48            sizeof(struct stats_rx_phy) * 40 +
  49            sizeof(struct stats_rx_non_phy) * 40 +
  50            sizeof(struct stats_rx_ht_phy) * 40 + 400;
  51        ssize_t ret;
  52        struct stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
  53        struct stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  54        struct stats_rx_non_phy *general, *accum_general;
  55        struct stats_rx_non_phy *delta_general, *max_general;
  56        struct stats_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
  57
  58        if (!il_is_alive(il))
  59                return -EAGAIN;
  60
  61        buf = kzalloc(bufsz, GFP_KERNEL);
  62        if (!buf) {
  63                IL_ERR("Can not allocate Buffer\n");
  64                return -ENOMEM;
  65        }
  66
  67        /*
  68         * the statistic information display here is based on
  69         * the last stats notification from uCode
  70         * might not reflect the current uCode activity
  71         */
  72        ofdm = &il->_4965.stats.rx.ofdm;
  73        cck = &il->_4965.stats.rx.cck;
  74        general = &il->_4965.stats.rx.general;
  75        ht = &il->_4965.stats.rx.ofdm_ht;
  76        accum_ofdm = &il->_4965.accum_stats.rx.ofdm;
  77        accum_cck = &il->_4965.accum_stats.rx.cck;
  78        accum_general = &il->_4965.accum_stats.rx.general;
  79        accum_ht = &il->_4965.accum_stats.rx.ofdm_ht;
  80        delta_ofdm = &il->_4965.delta_stats.rx.ofdm;
  81        delta_cck = &il->_4965.delta_stats.rx.cck;
  82        delta_general = &il->_4965.delta_stats.rx.general;
  83        delta_ht = &il->_4965.delta_stats.rx.ofdm_ht;
  84        max_ofdm = &il->_4965.max_delta.rx.ofdm;
  85        max_cck = &il->_4965.max_delta.rx.cck;
  86        max_general = &il->_4965.max_delta.rx.general;
  87        max_ht = &il->_4965.max_delta.rx.ofdm_ht;
  88
  89        pos += il4965_stats_flag(il, buf, bufsz);
  90        pos +=
  91            scnprintf(buf + pos, bufsz - pos, fmt_header,
  92                      "Statistics_Rx - OFDM:");
  93        pos +=
  94            scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
  95                      le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
  96                      delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
  97        pos +=
  98            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
  99                      le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 100                      delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 101        pos +=
 102            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 103                      le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 104                      delta_ofdm->plcp_err, max_ofdm->plcp_err);
 105        pos +=
 106            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 107                      le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 108                      delta_ofdm->crc32_err, max_ofdm->crc32_err);
 109        pos +=
 110            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 111                      le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
 112                      delta_ofdm->overrun_err, max_ofdm->overrun_err);
 113        pos +=
 114            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 115                      le32_to_cpu(ofdm->early_overrun_err),
 116                      accum_ofdm->early_overrun_err,
 117                      delta_ofdm->early_overrun_err,
 118                      max_ofdm->early_overrun_err);
 119        pos +=
 120            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 121                      le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
 122                      delta_ofdm->crc32_good, max_ofdm->crc32_good);
 123        pos +=
 124            scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
 125                      le32_to_cpu(ofdm->false_alarm_cnt),
 126                      accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
 127                      max_ofdm->false_alarm_cnt);
 128        pos +=
 129            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_sync_err_cnt:",
 130                      le32_to_cpu(ofdm->fina_sync_err_cnt),
 131                      accum_ofdm->fina_sync_err_cnt,
 132                      delta_ofdm->fina_sync_err_cnt,
 133                      max_ofdm->fina_sync_err_cnt);
 134        pos +=
 135            scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
 136                      le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
 137                      delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
 138        pos +=
 139            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
 140                      le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
 141                      delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
 142        pos +=
 143            scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
 144                      le32_to_cpu(ofdm->unresponded_rts),
 145                      accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
 146                      max_ofdm->unresponded_rts);
 147        pos +=
 148            scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
 149                      le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 150                      accum_ofdm->rxe_frame_limit_overrun,
 151                      delta_ofdm->rxe_frame_limit_overrun,
 152                      max_ofdm->rxe_frame_limit_overrun);
 153        pos +=
 154            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
 155                      le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
 156                      delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
 157        pos +=
 158            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
 159                      le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
 160                      delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
 161        pos +=
 162            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
 163                      le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 164                      accum_ofdm->sent_ba_rsp_cnt, delta_ofdm->sent_ba_rsp_cnt,
 165                      max_ofdm->sent_ba_rsp_cnt);
 166        pos +=
 167            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
 168                      le32_to_cpu(ofdm->dsp_self_kill),
 169                      accum_ofdm->dsp_self_kill, delta_ofdm->dsp_self_kill,
 170                      max_ofdm->dsp_self_kill);
 171        pos +=
 172            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 173                      le32_to_cpu(ofdm->mh_format_err),
 174                      accum_ofdm->mh_format_err, delta_ofdm->mh_format_err,
 175                      max_ofdm->mh_format_err);
 176        pos +=
 177            scnprintf(buf + pos, bufsz - pos, fmt_table,
 178                      "re_acq_main_rssi_sum:",
 179                      le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 180                      accum_ofdm->re_acq_main_rssi_sum,
 181                      delta_ofdm->re_acq_main_rssi_sum,
 182                      max_ofdm->re_acq_main_rssi_sum);
 183
 184        pos +=
 185            scnprintf(buf + pos, bufsz - pos, fmt_header,
 186                      "Statistics_Rx - CCK:");
 187        pos +=
 188            scnprintf(buf + pos, bufsz - pos, fmt_table, "ina_cnt:",
 189                      le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 190                      delta_cck->ina_cnt, max_cck->ina_cnt);
 191        pos +=
 192            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_cnt:",
 193                      le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 194                      delta_cck->fina_cnt, max_cck->fina_cnt);
 195        pos +=
 196            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 197                      le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 198                      delta_cck->plcp_err, max_cck->plcp_err);
 199        pos +=
 200            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 201                      le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 202                      delta_cck->crc32_err, max_cck->crc32_err);
 203        pos +=
 204            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 205                      le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
 206                      delta_cck->overrun_err, max_cck->overrun_err);
 207        pos +=
 208            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 209                      le32_to_cpu(cck->early_overrun_err),
 210                      accum_cck->early_overrun_err,
 211                      delta_cck->early_overrun_err, max_cck->early_overrun_err);
 212        pos +=
 213            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 214                      le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 215                      delta_cck->crc32_good, max_cck->crc32_good);
 216        pos +=
 217            scnprintf(buf + pos, bufsz - pos, fmt_table, "false_alarm_cnt:",
 218                      le32_to_cpu(cck->false_alarm_cnt),
 219                      accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
 220                      max_cck->false_alarm_cnt);
 221        pos +=
 222            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_sync_err_cnt:",
 223                      le32_to_cpu(cck->fina_sync_err_cnt),
 224                      accum_cck->fina_sync_err_cnt,
 225                      delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
 226        pos +=
 227            scnprintf(buf + pos, bufsz - pos, fmt_table, "sfd_timeout:",
 228                      le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
 229                      delta_cck->sfd_timeout, max_cck->sfd_timeout);
 230        pos +=
 231            scnprintf(buf + pos, bufsz - pos, fmt_table, "fina_timeout:",
 232                      le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
 233                      delta_cck->fina_timeout, max_cck->fina_timeout);
 234        pos +=
 235            scnprintf(buf + pos, bufsz - pos, fmt_table, "unresponded_rts:",
 236                      le32_to_cpu(cck->unresponded_rts),
 237                      accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 238                      max_cck->unresponded_rts);
 239        pos +=
 240            scnprintf(buf + pos, bufsz - pos, fmt_table, "rxe_frame_lmt_ovrun:",
 241                      le32_to_cpu(cck->rxe_frame_limit_overrun),
 242                      accum_cck->rxe_frame_limit_overrun,
 243                      delta_cck->rxe_frame_limit_overrun,
 244                      max_cck->rxe_frame_limit_overrun);
 245        pos +=
 246            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ack_cnt:",
 247                      le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
 248                      delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
 249        pos +=
 250            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_cts_cnt:",
 251                      le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
 252                      delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
 253        pos +=
 254            scnprintf(buf + pos, bufsz - pos, fmt_table, "sent_ba_rsp_cnt:",
 255                      le32_to_cpu(cck->sent_ba_rsp_cnt),
 256                      accum_cck->sent_ba_rsp_cnt, delta_cck->sent_ba_rsp_cnt,
 257                      max_cck->sent_ba_rsp_cnt);
 258        pos +=
 259            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_self_kill:",
 260                      le32_to_cpu(cck->dsp_self_kill), accum_cck->dsp_self_kill,
 261                      delta_cck->dsp_self_kill, max_cck->dsp_self_kill);
 262        pos +=
 263            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 264                      le32_to_cpu(cck->mh_format_err), accum_cck->mh_format_err,
 265                      delta_cck->mh_format_err, max_cck->mh_format_err);
 266        pos +=
 267            scnprintf(buf + pos, bufsz - pos, fmt_table,
 268                      "re_acq_main_rssi_sum:",
 269                      le32_to_cpu(cck->re_acq_main_rssi_sum),
 270                      accum_cck->re_acq_main_rssi_sum,
 271                      delta_cck->re_acq_main_rssi_sum,
 272                      max_cck->re_acq_main_rssi_sum);
 273
 274        pos +=
 275            scnprintf(buf + pos, bufsz - pos, fmt_header,
 276                      "Statistics_Rx - GENERAL:");
 277        pos +=
 278            scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_cts:",
 279                      le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
 280                      delta_general->bogus_cts, max_general->bogus_cts);
 281        pos +=
 282            scnprintf(buf + pos, bufsz - pos, fmt_table, "bogus_ack:",
 283                      le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
 284                      delta_general->bogus_ack, max_general->bogus_ack);
 285        pos +=
 286            scnprintf(buf + pos, bufsz - pos, fmt_table, "non_bssid_frames:",
 287                      le32_to_cpu(general->non_bssid_frames),
 288                      accum_general->non_bssid_frames,
 289                      delta_general->non_bssid_frames,
 290                      max_general->non_bssid_frames);
 291        pos +=
 292            scnprintf(buf + pos, bufsz - pos, fmt_table, "filtered_frames:",
 293                      le32_to_cpu(general->filtered_frames),
 294                      accum_general->filtered_frames,
 295                      delta_general->filtered_frames,
 296                      max_general->filtered_frames);
 297        pos +=
 298            scnprintf(buf + pos, bufsz - pos, fmt_table, "non_channel_beacons:",
 299                      le32_to_cpu(general->non_channel_beacons),
 300                      accum_general->non_channel_beacons,
 301                      delta_general->non_channel_beacons,
 302                      max_general->non_channel_beacons);
 303        pos +=
 304            scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_beacons:",
 305                      le32_to_cpu(general->channel_beacons),
 306                      accum_general->channel_beacons,
 307                      delta_general->channel_beacons,
 308                      max_general->channel_beacons);
 309        pos +=
 310            scnprintf(buf + pos, bufsz - pos, fmt_table, "num_missed_bcon:",
 311                      le32_to_cpu(general->num_missed_bcon),
 312                      accum_general->num_missed_bcon,
 313                      delta_general->num_missed_bcon,
 314                      max_general->num_missed_bcon);
 315        pos +=
 316            scnprintf(buf + pos, bufsz - pos, fmt_table,
 317                      "adc_rx_saturation_time:",
 318                      le32_to_cpu(general->adc_rx_saturation_time),
 319                      accum_general->adc_rx_saturation_time,
 320                      delta_general->adc_rx_saturation_time,
 321                      max_general->adc_rx_saturation_time);
 322        pos +=
 323            scnprintf(buf + pos, bufsz - pos, fmt_table,
 324                      "ina_detect_search_tm:",
 325                      le32_to_cpu(general->ina_detection_search_time),
 326                      accum_general->ina_detection_search_time,
 327                      delta_general->ina_detection_search_time,
 328                      max_general->ina_detection_search_time);
 329        pos +=
 330            scnprintf(buf + pos, bufsz - pos, fmt_table,
 331                      "beacon_silence_rssi_a:",
 332                      le32_to_cpu(general->beacon_silence_rssi_a),
 333                      accum_general->beacon_silence_rssi_a,
 334                      delta_general->beacon_silence_rssi_a,
 335                      max_general->beacon_silence_rssi_a);
 336        pos +=
 337            scnprintf(buf + pos, bufsz - pos, fmt_table,
 338                      "beacon_silence_rssi_b:",
 339                      le32_to_cpu(general->beacon_silence_rssi_b),
 340                      accum_general->beacon_silence_rssi_b,
 341                      delta_general->beacon_silence_rssi_b,
 342                      max_general->beacon_silence_rssi_b);
 343        pos +=
 344            scnprintf(buf + pos, bufsz - pos, fmt_table,
 345                      "beacon_silence_rssi_c:",
 346                      le32_to_cpu(general->beacon_silence_rssi_c),
 347                      accum_general->beacon_silence_rssi_c,
 348                      delta_general->beacon_silence_rssi_c,
 349                      max_general->beacon_silence_rssi_c);
 350        pos +=
 351            scnprintf(buf + pos, bufsz - pos, fmt_table,
 352                      "interference_data_flag:",
 353                      le32_to_cpu(general->interference_data_flag),
 354                      accum_general->interference_data_flag,
 355                      delta_general->interference_data_flag,
 356                      max_general->interference_data_flag);
 357        pos +=
 358            scnprintf(buf + pos, bufsz - pos, fmt_table, "channel_load:",
 359                      le32_to_cpu(general->channel_load),
 360                      accum_general->channel_load, delta_general->channel_load,
 361                      max_general->channel_load);
 362        pos +=
 363            scnprintf(buf + pos, bufsz - pos, fmt_table, "dsp_false_alarms:",
 364                      le32_to_cpu(general->dsp_false_alarms),
 365                      accum_general->dsp_false_alarms,
 366                      delta_general->dsp_false_alarms,
 367                      max_general->dsp_false_alarms);
 368        pos +=
 369            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_a:",
 370                      le32_to_cpu(general->beacon_rssi_a),
 371                      accum_general->beacon_rssi_a,
 372                      delta_general->beacon_rssi_a, max_general->beacon_rssi_a);
 373        pos +=
 374            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_b:",
 375                      le32_to_cpu(general->beacon_rssi_b),
 376                      accum_general->beacon_rssi_b,
 377                      delta_general->beacon_rssi_b, max_general->beacon_rssi_b);
 378        pos +=
 379            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_rssi_c:",
 380                      le32_to_cpu(general->beacon_rssi_c),
 381                      accum_general->beacon_rssi_c,
 382                      delta_general->beacon_rssi_c, max_general->beacon_rssi_c);
 383        pos +=
 384            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_a:",
 385                      le32_to_cpu(general->beacon_energy_a),
 386                      accum_general->beacon_energy_a,
 387                      delta_general->beacon_energy_a,
 388                      max_general->beacon_energy_a);
 389        pos +=
 390            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_b:",
 391                      le32_to_cpu(general->beacon_energy_b),
 392                      accum_general->beacon_energy_b,
 393                      delta_general->beacon_energy_b,
 394                      max_general->beacon_energy_b);
 395        pos +=
 396            scnprintf(buf + pos, bufsz - pos, fmt_table, "beacon_energy_c:",
 397                      le32_to_cpu(general->beacon_energy_c),
 398                      accum_general->beacon_energy_c,
 399                      delta_general->beacon_energy_c,
 400                      max_general->beacon_energy_c);
 401
 402        pos +=
 403            scnprintf(buf + pos, bufsz - pos, fmt_header,
 404                      "Statistics_Rx - OFDM_HT:");
 405        pos +=
 406            scnprintf(buf + pos, bufsz - pos, fmt_table, "plcp_err:",
 407                      le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
 408                      delta_ht->plcp_err, max_ht->plcp_err);
 409        pos +=
 410            scnprintf(buf + pos, bufsz - pos, fmt_table, "overrun_err:",
 411                      le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
 412                      delta_ht->overrun_err, max_ht->overrun_err);
 413        pos +=
 414            scnprintf(buf + pos, bufsz - pos, fmt_table, "early_overrun_err:",
 415                      le32_to_cpu(ht->early_overrun_err),
 416                      accum_ht->early_overrun_err, delta_ht->early_overrun_err,
 417                      max_ht->early_overrun_err);
 418        pos +=
 419            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_good:",
 420                      le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
 421                      delta_ht->crc32_good, max_ht->crc32_good);
 422        pos +=
 423            scnprintf(buf + pos, bufsz - pos, fmt_table, "crc32_err:",
 424                      le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
 425                      delta_ht->crc32_err, max_ht->crc32_err);
 426        pos +=
 427            scnprintf(buf + pos, bufsz - pos, fmt_table, "mh_format_err:",
 428                      le32_to_cpu(ht->mh_format_err), accum_ht->mh_format_err,
 429                      delta_ht->mh_format_err, max_ht->mh_format_err);
 430        pos +=
 431            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_crc32_good:",
 432                      le32_to_cpu(ht->agg_crc32_good), accum_ht->agg_crc32_good,
 433                      delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
 434        pos +=
 435            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_mpdu_cnt:",
 436                      le32_to_cpu(ht->agg_mpdu_cnt), accum_ht->agg_mpdu_cnt,
 437                      delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
 438        pos +=
 439            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg_cnt:",
 440                      le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
 441                      delta_ht->agg_cnt, max_ht->agg_cnt);
 442        pos +=
 443            scnprintf(buf + pos, bufsz - pos, fmt_table, "unsupport_mcs:",
 444                      le32_to_cpu(ht->unsupport_mcs), accum_ht->unsupport_mcs,
 445                      delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
 446
 447        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 448        kfree(buf);
 449        return ret;
 450}
 451
 452static ssize_t
 453il4965_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 454                           size_t count, loff_t *ppos)
 455{
 456        struct il_priv *il = file->private_data;
 457        int pos = 0;
 458        char *buf;
 459        int bufsz = (sizeof(struct stats_tx) * 48) + 250;
 460        ssize_t ret;
 461        struct stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
 462
 463        if (!il_is_alive(il))
 464                return -EAGAIN;
 465
 466        buf = kzalloc(bufsz, GFP_KERNEL);
 467        if (!buf) {
 468                IL_ERR("Can not allocate Buffer\n");
 469                return -ENOMEM;
 470        }
 471
 472        /* the statistic information display here is based on
 473         * the last stats notification from uCode
 474         * might not reflect the current uCode activity
 475         */
 476        tx = &il->_4965.stats.tx;
 477        accum_tx = &il->_4965.accum_stats.tx;
 478        delta_tx = &il->_4965.delta_stats.tx;
 479        max_tx = &il->_4965.max_delta.tx;
 480
 481        pos += il4965_stats_flag(il, buf, bufsz);
 482        pos += scnprintf(buf + pos, bufsz - pos, fmt_header, "Statistics_Tx:");
 483        pos +=
 484            scnprintf(buf + pos, bufsz - pos, fmt_table, "preamble:",
 485                      le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
 486                      delta_tx->preamble_cnt, max_tx->preamble_cnt);
 487        pos +=
 488            scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_detected_cnt:",
 489                      le32_to_cpu(tx->rx_detected_cnt),
 490                      accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
 491                      max_tx->rx_detected_cnt);
 492        pos +=
 493            scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_defer_cnt:",
 494                      le32_to_cpu(tx->bt_prio_defer_cnt),
 495                      accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
 496                      max_tx->bt_prio_defer_cnt);
 497        pos +=
 498            scnprintf(buf + pos, bufsz - pos, fmt_table, "bt_prio_kill_cnt:",
 499                      le32_to_cpu(tx->bt_prio_kill_cnt),
 500                      accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
 501                      max_tx->bt_prio_kill_cnt);
 502        pos +=
 503            scnprintf(buf + pos, bufsz - pos, fmt_table, "few_bytes_cnt:",
 504                      le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
 505                      delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 506        pos +=
 507            scnprintf(buf + pos, bufsz - pos, fmt_table, "cts_timeout:",
 508                      le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 509                      delta_tx->cts_timeout, max_tx->cts_timeout);
 510        pos +=
 511            scnprintf(buf + pos, bufsz - pos, fmt_table, "ack_timeout:",
 512                      le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
 513                      delta_tx->ack_timeout, max_tx->ack_timeout);
 514        pos +=
 515            scnprintf(buf + pos, bufsz - pos, fmt_table, "expected_ack_cnt:",
 516                      le32_to_cpu(tx->expected_ack_cnt),
 517                      accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
 518                      max_tx->expected_ack_cnt);
 519        pos +=
 520            scnprintf(buf + pos, bufsz - pos, fmt_table, "actual_ack_cnt:",
 521                      le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
 522                      delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
 523        pos +=
 524            scnprintf(buf + pos, bufsz - pos, fmt_table, "dump_msdu_cnt:",
 525                      le32_to_cpu(tx->dump_msdu_cnt), accum_tx->dump_msdu_cnt,
 526                      delta_tx->dump_msdu_cnt, max_tx->dump_msdu_cnt);
 527        pos +=
 528            scnprintf(buf + pos, bufsz - pos, fmt_table,
 529                      "abort_nxt_frame_mismatch:",
 530                      le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
 531                      accum_tx->burst_abort_next_frame_mismatch_cnt,
 532                      delta_tx->burst_abort_next_frame_mismatch_cnt,
 533                      max_tx->burst_abort_next_frame_mismatch_cnt);
 534        pos +=
 535            scnprintf(buf + pos, bufsz - pos, fmt_table,
 536                      "abort_missing_nxt_frame:",
 537                      le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
 538                      accum_tx->burst_abort_missing_next_frame_cnt,
 539                      delta_tx->burst_abort_missing_next_frame_cnt,
 540                      max_tx->burst_abort_missing_next_frame_cnt);
 541        pos +=
 542            scnprintf(buf + pos, bufsz - pos, fmt_table,
 543                      "cts_timeout_collision:",
 544                      le32_to_cpu(tx->cts_timeout_collision),
 545                      accum_tx->cts_timeout_collision,
 546                      delta_tx->cts_timeout_collision,
 547                      max_tx->cts_timeout_collision);
 548        pos +=
 549            scnprintf(buf + pos, bufsz - pos, fmt_table,
 550                      "ack_ba_timeout_collision:",
 551                      le32_to_cpu(tx->ack_or_ba_timeout_collision),
 552                      accum_tx->ack_or_ba_timeout_collision,
 553                      delta_tx->ack_or_ba_timeout_collision,
 554                      max_tx->ack_or_ba_timeout_collision);
 555        pos +=
 556            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg ba_timeout:",
 557                      le32_to_cpu(tx->agg.ba_timeout), accum_tx->agg.ba_timeout,
 558                      delta_tx->agg.ba_timeout, max_tx->agg.ba_timeout);
 559        pos +=
 560            scnprintf(buf + pos, bufsz - pos, fmt_table,
 561                      "agg ba_resched_frames:",
 562                      le32_to_cpu(tx->agg.ba_reschedule_frames),
 563                      accum_tx->agg.ba_reschedule_frames,
 564                      delta_tx->agg.ba_reschedule_frames,
 565                      max_tx->agg.ba_reschedule_frames);
 566        pos +=
 567            scnprintf(buf + pos, bufsz - pos, fmt_table,
 568                      "agg scd_query_agg_frame:",
 569                      le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
 570                      accum_tx->agg.scd_query_agg_frame_cnt,
 571                      delta_tx->agg.scd_query_agg_frame_cnt,
 572                      max_tx->agg.scd_query_agg_frame_cnt);
 573        pos +=
 574            scnprintf(buf + pos, bufsz - pos, fmt_table,
 575                      "agg scd_query_no_agg:",
 576                      le32_to_cpu(tx->agg.scd_query_no_agg),
 577                      accum_tx->agg.scd_query_no_agg,
 578                      delta_tx->agg.scd_query_no_agg,
 579                      max_tx->agg.scd_query_no_agg);
 580        pos +=
 581            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg scd_query_agg:",
 582                      le32_to_cpu(tx->agg.scd_query_agg),
 583                      accum_tx->agg.scd_query_agg, delta_tx->agg.scd_query_agg,
 584                      max_tx->agg.scd_query_agg);
 585        pos +=
 586            scnprintf(buf + pos, bufsz - pos, fmt_table,
 587                      "agg scd_query_mismatch:",
 588                      le32_to_cpu(tx->agg.scd_query_mismatch),
 589                      accum_tx->agg.scd_query_mismatch,
 590                      delta_tx->agg.scd_query_mismatch,
 591                      max_tx->agg.scd_query_mismatch);
 592        pos +=
 593            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg frame_not_ready:",
 594                      le32_to_cpu(tx->agg.frame_not_ready),
 595                      accum_tx->agg.frame_not_ready,
 596                      delta_tx->agg.frame_not_ready,
 597                      max_tx->agg.frame_not_ready);
 598        pos +=
 599            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg underrun:",
 600                      le32_to_cpu(tx->agg.underrun), accum_tx->agg.underrun,
 601                      delta_tx->agg.underrun, max_tx->agg.underrun);
 602        pos +=
 603            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg bt_prio_kill:",
 604                      le32_to_cpu(tx->agg.bt_prio_kill),
 605                      accum_tx->agg.bt_prio_kill, delta_tx->agg.bt_prio_kill,
 606                      max_tx->agg.bt_prio_kill);
 607        pos +=
 608            scnprintf(buf + pos, bufsz - pos, fmt_table, "agg rx_ba_rsp_cnt:",
 609                      le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
 610                      accum_tx->agg.rx_ba_rsp_cnt, delta_tx->agg.rx_ba_rsp_cnt,
 611                      max_tx->agg.rx_ba_rsp_cnt);
 612
 613        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 614        kfree(buf);
 615        return ret;
 616}
 617
 618static ssize_t
 619il4965_ucode_general_stats_read(struct file *file, char __user *user_buf,
 620                                size_t count, loff_t *ppos)
 621{
 622        struct il_priv *il = file->private_data;
 623        int pos = 0;
 624        char *buf;
 625        int bufsz = sizeof(struct stats_general) * 10 + 300;
 626        ssize_t ret;
 627        struct stats_general_common *general, *accum_general;
 628        struct stats_general_common *delta_general, *max_general;
 629        struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 630        struct stats_div *div, *accum_div, *delta_div, *max_div;
 631
 632        if (!il_is_alive(il))
 633                return -EAGAIN;
 634
 635        buf = kzalloc(bufsz, GFP_KERNEL);
 636        if (!buf) {
 637                IL_ERR("Can not allocate Buffer\n");
 638                return -ENOMEM;
 639        }
 640
 641        /* the statistic information display here is based on
 642         * the last stats notification from uCode
 643         * might not reflect the current uCode activity
 644         */
 645        general = &il->_4965.stats.general.common;
 646        dbg = &il->_4965.stats.general.common.dbg;
 647        div = &il->_4965.stats.general.common.div;
 648        accum_general = &il->_4965.accum_stats.general.common;
 649        accum_dbg = &il->_4965.accum_stats.general.common.dbg;
 650        accum_div = &il->_4965.accum_stats.general.common.div;
 651        delta_general = &il->_4965.delta_stats.general.common;
 652        max_general = &il->_4965.max_delta.general.common;
 653        delta_dbg = &il->_4965.delta_stats.general.common.dbg;
 654        max_dbg = &il->_4965.max_delta.general.common.dbg;
 655        delta_div = &il->_4965.delta_stats.general.common.div;
 656        max_div = &il->_4965.max_delta.general.common.div;
 657
 658        pos += il4965_stats_flag(il, buf, bufsz);
 659        pos +=
 660            scnprintf(buf + pos, bufsz - pos, fmt_header,
 661                      "Statistics_General:");
 662        pos +=
 663            scnprintf(buf + pos, bufsz - pos, fmt_value, "temperature:",
 664                      le32_to_cpu(general->temperature));
 665        pos +=
 666            scnprintf(buf + pos, bufsz - pos, fmt_value, "ttl_timestamp:",
 667                      le32_to_cpu(general->ttl_timestamp));
 668        pos +=
 669            scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_check:",
 670                      le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
 671                      delta_dbg->burst_check, max_dbg->burst_check);
 672        pos +=
 673            scnprintf(buf + pos, bufsz - pos, fmt_table, "burst_count:",
 674                      le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
 675                      delta_dbg->burst_count, max_dbg->burst_count);
 676        pos +=
 677            scnprintf(buf + pos, bufsz - pos, fmt_table,
 678                      "wait_for_silence_timeout_count:",
 679                      le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
 680                      accum_dbg->wait_for_silence_timeout_cnt,
 681                      delta_dbg->wait_for_silence_timeout_cnt,
 682                      max_dbg->wait_for_silence_timeout_cnt);
 683        pos +=
 684            scnprintf(buf + pos, bufsz - pos, fmt_table, "sleep_time:",
 685                      le32_to_cpu(general->sleep_time),
 686                      accum_general->sleep_time, delta_general->sleep_time,
 687                      max_general->sleep_time);
 688        pos +=
 689            scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_out:",
 690                      le32_to_cpu(general->slots_out), accum_general->slots_out,
 691                      delta_general->slots_out, max_general->slots_out);
 692        pos +=
 693            scnprintf(buf + pos, bufsz - pos, fmt_table, "slots_idle:",
 694                      le32_to_cpu(general->slots_idle),
 695                      accum_general->slots_idle, delta_general->slots_idle,
 696                      max_general->slots_idle);
 697        pos +=
 698            scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_a:",
 699                      le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 700                      delta_div->tx_on_a, max_div->tx_on_a);
 701        pos +=
 702            scnprintf(buf + pos, bufsz - pos, fmt_table, "tx_on_b:",
 703                      le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 704                      delta_div->tx_on_b, max_div->tx_on_b);
 705        pos +=
 706            scnprintf(buf + pos, bufsz - pos, fmt_table, "exec_time:",
 707                      le32_to_cpu(div->exec_time), accum_div->exec_time,
 708                      delta_div->exec_time, max_div->exec_time);
 709        pos +=
 710            scnprintf(buf + pos, bufsz - pos, fmt_table, "probe_time:",
 711                      le32_to_cpu(div->probe_time), accum_div->probe_time,
 712                      delta_div->probe_time, max_div->probe_time);
 713        pos +=
 714            scnprintf(buf + pos, bufsz - pos, fmt_table, "rx_enable_counter:",
 715                      le32_to_cpu(general->rx_enable_counter),
 716                      accum_general->rx_enable_counter,
 717                      delta_general->rx_enable_counter,
 718                      max_general->rx_enable_counter);
 719        pos +=
 720            scnprintf(buf + pos, bufsz - pos, fmt_table, "num_of_sos_states:",
 721                      le32_to_cpu(general->num_of_sos_states),
 722                      accum_general->num_of_sos_states,
 723                      delta_general->num_of_sos_states,
 724                      max_general->num_of_sos_states);
 725        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 726        kfree(buf);
 727        return ret;
 728}
 729
 730const struct il_debugfs_ops il4965_debugfs_ops = {
 731        .rx_stats_read = il4965_ucode_rx_stats_read,
 732        .tx_stats_read = il4965_ucode_tx_stats_read,
 733        .general_stats_read = il4965_ucode_general_stats_read,
 734};
 735