LXR linux/drivers/net/wireless/intel/iwlegacy/3945-debug.c

   1/******************************************************************************
   2 *
   3 * GPL LICENSE SUMMARY
   4 *
   5 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of version 2 of the GNU General Public License as
   9 * published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19 * USA
  20 *
  21 * The full GNU General Public License is included in this distribution
  22 * in the file called LICENSE.GPL.
  23 *
  24 * Contact Information:
  25 *  Intel Linux Wireless <ilw@linux.intel.com>
  26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27 *****************************************************************************/
  28
  29#include "common.h"
  30#include "3945.h"
  31
  32static int
  33il3945_stats_flag(struct il_priv *il, char *buf, int bufsz)
  34{
  35        int p = 0;
  36
  37        p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
  38                       le32_to_cpu(il->_3945.stats.flag));
  39        if (le32_to_cpu(il->_3945.stats.flag) & UCODE_STATS_CLEAR_MSK)
  40                p += scnprintf(buf + p, bufsz - p,
  41                               "\tStatistics have been cleared\n");
  42        p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
  43                       (le32_to_cpu(il->_3945.stats.flag) &
  44                        UCODE_STATS_FREQUENCY_MSK) ? "2.4 GHz" : "5.2 GHz");
  45        p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
  46                       (le32_to_cpu(il->_3945.stats.flag) &
  47                        UCODE_STATS_NARROW_BAND_MSK) ? "enabled" : "disabled");
  48        return p;
  49}
  50
  51static ssize_t
  52il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
  53                           size_t count, loff_t *ppos)
  54{
  55        struct il_priv *il = file->private_data;
  56        int pos = 0;
  57        char *buf;
  58        int bufsz =
  59            sizeof(struct iwl39_stats_rx_phy) * 40 +
  60            sizeof(struct iwl39_stats_rx_non_phy) * 40 + 400;
  61        ssize_t ret;
  62        struct iwl39_stats_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
  63        struct iwl39_stats_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
  64        struct iwl39_stats_rx_non_phy *general, *accum_general;
  65        struct iwl39_stats_rx_non_phy *delta_general, *max_general;
  66
  67        if (!il_is_alive(il))
  68                return -EAGAIN;
  69
  70        buf = kzalloc(bufsz, GFP_KERNEL);
  71        if (!buf) {
  72                IL_ERR("Can not allocate Buffer\n");
  73                return -ENOMEM;
  74        }
  75
  76        /*
  77         * The statistic information display here is based on
  78         * the last stats notification from uCode
  79         * might not reflect the current uCode activity
  80         */
  81        ofdm = &il->_3945.stats.rx.ofdm;
  82        cck = &il->_3945.stats.rx.cck;
  83        general = &il->_3945.stats.rx.general;
  84        accum_ofdm = &il->_3945.accum_stats.rx.ofdm;
  85        accum_cck = &il->_3945.accum_stats.rx.cck;
  86        accum_general = &il->_3945.accum_stats.rx.general;
  87        delta_ofdm = &il->_3945.delta_stats.rx.ofdm;
  88        delta_cck = &il->_3945.delta_stats.rx.cck;
  89        delta_general = &il->_3945.delta_stats.rx.general;
  90        max_ofdm = &il->_3945.max_delta.rx.ofdm;
  91        max_cck = &il->_3945.max_delta.rx.cck;
  92        max_general = &il->_3945.max_delta.rx.general;
  93
  94        pos += il3945_stats_flag(il, buf, bufsz);
  95        pos +=
  96            scnprintf(buf + pos, bufsz - pos,
  97                      "%-32s     current"
  98                      "acumulative       delta         max\n",
  99                      "Statistics_Rx - OFDM:");
 100        pos +=
 101            scnprintf(buf + pos, bufsz - pos,
 102                      "  %-30s %10u  %10u  %10u  %10u\n", "ina_cnt:",
 103                      le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt,
 104                      delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 105        pos +=
 106            scnprintf(buf + pos, bufsz - pos,
 107                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_cnt:",
 108                      le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 109                      delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 110        pos +=
 111            scnprintf(buf + pos, bufsz - pos,
 112                      "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
 113                      le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 114                      delta_ofdm->plcp_err, max_ofdm->plcp_err);
 115        pos +=
 116            scnprintf(buf + pos, bufsz - pos,
 117                      "  %-30s %10u  %10u  %10u  %10u\n", "crc32_err:",
 118                      le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 119                      delta_ofdm->crc32_err, max_ofdm->crc32_err);
 120        pos +=
 121            scnprintf(buf + pos, bufsz - pos,
 122                      "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 123                      le32_to_cpu(ofdm->overrun_err), accum_ofdm->overrun_err,
 124                      delta_ofdm->overrun_err, max_ofdm->overrun_err);
 125        pos +=
 126            scnprintf(buf + pos, bufsz - pos,
 127                      "  %-30s %10u  %10u  %10u  %10u\n", "early_overrun_err:",
 128                      le32_to_cpu(ofdm->early_overrun_err),
 129                      accum_ofdm->early_overrun_err,
 130                      delta_ofdm->early_overrun_err,
 131                      max_ofdm->early_overrun_err);
 132        pos +=
 133            scnprintf(buf + pos, bufsz - pos,
 134                      "  %-30s %10u  %10u  %10u  %10u\n", "crc32_good:",
 135                      le32_to_cpu(ofdm->crc32_good), accum_ofdm->crc32_good,
 136                      delta_ofdm->crc32_good, max_ofdm->crc32_good);
 137        pos +=
 138            scnprintf(buf + pos, bufsz - pos,
 139                      "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 140                      le32_to_cpu(ofdm->false_alarm_cnt),
 141                      accum_ofdm->false_alarm_cnt, delta_ofdm->false_alarm_cnt,
 142                      max_ofdm->false_alarm_cnt);
 143        pos +=
 144            scnprintf(buf + pos, bufsz - pos,
 145                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_sync_err_cnt:",
 146                      le32_to_cpu(ofdm->fina_sync_err_cnt),
 147                      accum_ofdm->fina_sync_err_cnt,
 148                      delta_ofdm->fina_sync_err_cnt,
 149                      max_ofdm->fina_sync_err_cnt);
 150        pos +=
 151            scnprintf(buf + pos, bufsz - pos,
 152                      "  %-30s %10u  %10u  %10u  %10u\n", "sfd_timeout:",
 153                      le32_to_cpu(ofdm->sfd_timeout), accum_ofdm->sfd_timeout,
 154                      delta_ofdm->sfd_timeout, max_ofdm->sfd_timeout);
 155        pos +=
 156            scnprintf(buf + pos, bufsz - pos,
 157                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 158                      le32_to_cpu(ofdm->fina_timeout), accum_ofdm->fina_timeout,
 159                      delta_ofdm->fina_timeout, max_ofdm->fina_timeout);
 160        pos +=
 161            scnprintf(buf + pos, bufsz - pos,
 162                      "  %-30s %10u  %10u  %10u  %10u\n", "unresponded_rts:",
 163                      le32_to_cpu(ofdm->unresponded_rts),
 164                      accum_ofdm->unresponded_rts, delta_ofdm->unresponded_rts,
 165                      max_ofdm->unresponded_rts);
 166        pos +=
 167            scnprintf(buf + pos, bufsz - pos,
 168                      "  %-30s %10u  %10u  %10u  %10u\n",
 169                      "rxe_frame_lmt_ovrun:",
 170                      le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 171                      accum_ofdm->rxe_frame_limit_overrun,
 172                      delta_ofdm->rxe_frame_limit_overrun,
 173                      max_ofdm->rxe_frame_limit_overrun);
 174        pos +=
 175            scnprintf(buf + pos, bufsz - pos,
 176                      "  %-30s %10u  %10u  %10u  %10u\n", "sent_ack_cnt:",
 177                      le32_to_cpu(ofdm->sent_ack_cnt), accum_ofdm->sent_ack_cnt,
 178                      delta_ofdm->sent_ack_cnt, max_ofdm->sent_ack_cnt);
 179        pos +=
 180            scnprintf(buf + pos, bufsz - pos,
 181                      "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 182                      le32_to_cpu(ofdm->sent_cts_cnt), accum_ofdm->sent_cts_cnt,
 183                      delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
 184
 185        pos +=
 186            scnprintf(buf + pos, bufsz - pos,
 187                      "%-32s     current"
 188                      "acumulative       delta         max\n",
 189                      "Statistics_Rx - CCK:");
 190        pos +=
 191            scnprintf(buf + pos, bufsz - pos,
 192                      "  %-30s %10u  %10u  %10u  %10u\n", "ina_cnt:",
 193                      le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 194                      delta_cck->ina_cnt, max_cck->ina_cnt);
 195        pos +=
 196            scnprintf(buf + pos, bufsz - pos,
 197                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_cnt:",
 198                      le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 199                      delta_cck->fina_cnt, max_cck->fina_cnt);
 200        pos +=
 201            scnprintf(buf + pos, bufsz - pos,
 202                      "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
 203                      le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 204                      delta_cck->plcp_err, max_cck->plcp_err);
 205        pos +=
 206            scnprintf(buf + pos, bufsz - pos,
 207                      "  %-30s %10u  %10u  %10u  %10u\n", "crc32_err:",
 208                      le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 209                      delta_cck->crc32_err, max_cck->crc32_err);
 210        pos +=
 211            scnprintf(buf + pos, bufsz - pos,
 212                      "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
 213                      le32_to_cpu(cck->overrun_err), accum_cck->overrun_err,
 214                      delta_cck->overrun_err, max_cck->overrun_err);
 215        pos +=
 216            scnprintf(buf + pos, bufsz - pos,
 217                      "  %-30s %10u  %10u  %10u  %10u\n", "early_overrun_err:",
 218                      le32_to_cpu(cck->early_overrun_err),
 219                      accum_cck->early_overrun_err,
 220                      delta_cck->early_overrun_err, max_cck->early_overrun_err);
 221        pos +=
 222            scnprintf(buf + pos, bufsz - pos,
 223                      "  %-30s %10u  %10u  %10u  %10u\n", "crc32_good:",
 224                      le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 225                      delta_cck->crc32_good, max_cck->crc32_good);
 226        pos +=
 227            scnprintf(buf + pos, bufsz - pos,
 228                      "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
 229                      le32_to_cpu(cck->false_alarm_cnt),
 230                      accum_cck->false_alarm_cnt, delta_cck->false_alarm_cnt,
 231                      max_cck->false_alarm_cnt);
 232        pos +=
 233            scnprintf(buf + pos, bufsz - pos,
 234                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_sync_err_cnt:",
 235                      le32_to_cpu(cck->fina_sync_err_cnt),
 236                      accum_cck->fina_sync_err_cnt,
 237                      delta_cck->fina_sync_err_cnt, max_cck->fina_sync_err_cnt);
 238        pos +=
 239            scnprintf(buf + pos, bufsz - pos,
 240                      "  %-30s %10u  %10u  %10u  %10u\n", "sfd_timeout:",
 241                      le32_to_cpu(cck->sfd_timeout), accum_cck->sfd_timeout,
 242                      delta_cck->sfd_timeout, max_cck->sfd_timeout);
 243        pos +=
 244            scnprintf(buf + pos, bufsz - pos,
 245                      "  %-30s %10u  %10u  %10u  %10u\n", "fina_timeout:",
 246                      le32_to_cpu(cck->fina_timeout), accum_cck->fina_timeout,
 247                      delta_cck->fina_timeout, max_cck->fina_timeout);
 248        pos +=
 249            scnprintf(buf + pos, bufsz - pos,
 250                      "  %-30s %10u  %10u  %10u  %10u\n", "unresponded_rts:",
 251                      le32_to_cpu(cck->unresponded_rts),
 252                      accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 253                      max_cck->unresponded_rts);
 254        pos +=
 255            scnprintf(buf + pos, bufsz - pos,
 256                      "  %-30s %10u  %10u  %10u  %10u\n",
 257                      "rxe_frame_lmt_ovrun:",
 258                      le32_to_cpu(cck->rxe_frame_limit_overrun),
 259                      accum_cck->rxe_frame_limit_overrun,
 260                      delta_cck->rxe_frame_limit_overrun,
 261                      max_cck->rxe_frame_limit_overrun);
 262        pos +=
 263            scnprintf(buf + pos, bufsz - pos,
 264                      "  %-30s %10u  %10u  %10u  %10u\n", "sent_ack_cnt:",
 265                      le32_to_cpu(cck->sent_ack_cnt), accum_cck->sent_ack_cnt,
 266                      delta_cck->sent_ack_cnt, max_cck->sent_ack_cnt);
 267        pos +=
 268            scnprintf(buf + pos, bufsz - pos,
 269                      "  %-30s %10u  %10u  %10u  %10u\n", "sent_cts_cnt:",
 270                      le32_to_cpu(cck->sent_cts_cnt), accum_cck->sent_cts_cnt,
 271                      delta_cck->sent_cts_cnt, max_cck->sent_cts_cnt);
 272
 273        pos +=
 274            scnprintf(buf + pos, bufsz - pos,
 275                      "%-32s     current"
 276                      "acumulative       delta         max\n",
 277                      "Statistics_Rx - GENERAL:");
 278        pos +=
 279            scnprintf(buf + pos, bufsz - pos,
 280                      "  %-30s %10u  %10u  %10u  %10u\n", "bogus_cts:",
 281                      le32_to_cpu(general->bogus_cts), accum_general->bogus_cts,
 282                      delta_general->bogus_cts, max_general->bogus_cts);
 283        pos +=
 284            scnprintf(buf + pos, bufsz - pos,
 285                      "  %-30s %10u  %10u  %10u  %10u\n", "bogus_ack:",
 286                      le32_to_cpu(general->bogus_ack), accum_general->bogus_ack,
 287                      delta_general->bogus_ack, max_general->bogus_ack);
 288        pos +=
 289            scnprintf(buf + pos, bufsz - pos,
 290                      "  %-30s %10u  %10u  %10u  %10u\n", "non_bssid_frames:",
 291                      le32_to_cpu(general->non_bssid_frames),
 292                      accum_general->non_bssid_frames,
 293                      delta_general->non_bssid_frames,
 294                      max_general->non_bssid_frames);
 295        pos +=
 296            scnprintf(buf + pos, bufsz - pos,
 297                      "  %-30s %10u  %10u  %10u  %10u\n", "filtered_frames:",
 298                      le32_to_cpu(general->filtered_frames),
 299                      accum_general->filtered_frames,
 300                      delta_general->filtered_frames,
 301                      max_general->filtered_frames);
 302        pos +=
 303            scnprintf(buf + pos, bufsz - pos,
 304                      "  %-30s %10u  %10u  %10u  %10u\n",
 305                      "non_channel_beacons:",
 306                      le32_to_cpu(general->non_channel_beacons),
 307                      accum_general->non_channel_beacons,
 308                      delta_general->non_channel_beacons,
 309                      max_general->non_channel_beacons);
 310
 311        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 312        kfree(buf);
 313        return ret;
 314}
 315
 316static ssize_t
 317il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 318                           size_t count, loff_t *ppos)
 319{
 320        struct il_priv *il = file->private_data;
 321        int pos = 0;
 322        char *buf;
 323        int bufsz = (sizeof(struct iwl39_stats_tx) * 48) + 250;
 324        ssize_t ret;
 325        struct iwl39_stats_tx *tx, *accum_tx, *delta_tx, *max_tx;
 326
 327        if (!il_is_alive(il))
 328                return -EAGAIN;
 329
 330        buf = kzalloc(bufsz, GFP_KERNEL);
 331        if (!buf) {
 332                IL_ERR("Can not allocate Buffer\n");
 333                return -ENOMEM;
 334        }
 335
 336        /*
 337         * The statistic information display here is based on
 338         * the last stats notification from uCode
 339         * might not reflect the current uCode activity
 340         */
 341        tx = &il->_3945.stats.tx;
 342        accum_tx = &il->_3945.accum_stats.tx;
 343        delta_tx = &il->_3945.delta_stats.tx;
 344        max_tx = &il->_3945.max_delta.tx;
 345        pos += il3945_stats_flag(il, buf, bufsz);
 346        pos +=
 347            scnprintf(buf + pos, bufsz - pos,
 348                      "%-32s     current"
 349                      "acumulative       delta         max\n",
 350                      "Statistics_Tx:");
 351        pos +=
 352            scnprintf(buf + pos, bufsz - pos,
 353                      "  %-30s %10u  %10u  %10u  %10u\n", "preamble:",
 354                      le32_to_cpu(tx->preamble_cnt), accum_tx->preamble_cnt,
 355                      delta_tx->preamble_cnt, max_tx->preamble_cnt);
 356        pos +=
 357            scnprintf(buf + pos, bufsz - pos,
 358                      "  %-30s %10u  %10u  %10u  %10u\n", "rx_detected_cnt:",
 359                      le32_to_cpu(tx->rx_detected_cnt),
 360                      accum_tx->rx_detected_cnt, delta_tx->rx_detected_cnt,
 361                      max_tx->rx_detected_cnt);
 362        pos +=
 363            scnprintf(buf + pos, bufsz - pos,
 364                      "  %-30s %10u  %10u  %10u  %10u\n", "bt_prio_defer_cnt:",
 365                      le32_to_cpu(tx->bt_prio_defer_cnt),
 366                      accum_tx->bt_prio_defer_cnt, delta_tx->bt_prio_defer_cnt,
 367                      max_tx->bt_prio_defer_cnt);
 368        pos +=
 369            scnprintf(buf + pos, bufsz - pos,
 370                      "  %-30s %10u  %10u  %10u  %10u\n", "bt_prio_kill_cnt:",
 371                      le32_to_cpu(tx->bt_prio_kill_cnt),
 372                      accum_tx->bt_prio_kill_cnt, delta_tx->bt_prio_kill_cnt,
 373                      max_tx->bt_prio_kill_cnt);
 374        pos +=
 375            scnprintf(buf + pos, bufsz - pos,
 376                      "  %-30s %10u  %10u  %10u  %10u\n", "few_bytes_cnt:",
 377                      le32_to_cpu(tx->few_bytes_cnt), accum_tx->few_bytes_cnt,
 378                      delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
 379        pos +=
 380            scnprintf(buf + pos, bufsz - pos,
 381                      "  %-30s %10u  %10u  %10u  %10u\n", "cts_timeout:",
 382                      le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
 383                      delta_tx->cts_timeout, max_tx->cts_timeout);
 384        pos +=
 385            scnprintf(buf + pos, bufsz - pos,
 386                      "  %-30s %10u  %10u  %10u  %10u\n", "ack_timeout:",
 387                      le32_to_cpu(tx->ack_timeout), accum_tx->ack_timeout,
 388                      delta_tx->ack_timeout, max_tx->ack_timeout);
 389        pos +=
 390            scnprintf(buf + pos, bufsz - pos,
 391                      "  %-30s %10u  %10u  %10u  %10u\n", "expected_ack_cnt:",
 392                      le32_to_cpu(tx->expected_ack_cnt),
 393                      accum_tx->expected_ack_cnt, delta_tx->expected_ack_cnt,
 394                      max_tx->expected_ack_cnt);
 395        pos +=
 396            scnprintf(buf + pos, bufsz - pos,
 397                      "  %-30s %10u  %10u  %10u  %10u\n", "actual_ack_cnt:",
 398                      le32_to_cpu(tx->actual_ack_cnt), accum_tx->actual_ack_cnt,
 399                      delta_tx->actual_ack_cnt, max_tx->actual_ack_cnt);
 400
 401        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 402        kfree(buf);
 403        return ret;
 404}
 405
 406static ssize_t
 407il3945_ucode_general_stats_read(struct file *file, char __user *user_buf,
 408                                size_t count, loff_t *ppos)
 409{
 410        struct il_priv *il = file->private_data;
 411        int pos = 0;
 412        char *buf;
 413        int bufsz = sizeof(struct iwl39_stats_general) * 10 + 300;
 414        ssize_t ret;
 415        struct iwl39_stats_general *general, *accum_general;
 416        struct iwl39_stats_general *delta_general, *max_general;
 417        struct stats_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
 418        struct iwl39_stats_div *div, *accum_div, *delta_div, *max_div;
 419
 420        if (!il_is_alive(il))
 421                return -EAGAIN;
 422
 423        buf = kzalloc(bufsz, GFP_KERNEL);
 424        if (!buf) {
 425                IL_ERR("Can not allocate Buffer\n");
 426                return -ENOMEM;
 427        }
 428
 429        /*
 430         * The statistic information display here is based on
 431         * the last stats notification from uCode
 432         * might not reflect the current uCode activity
 433         */
 434        general = &il->_3945.stats.general;
 435        dbg = &il->_3945.stats.general.dbg;
 436        div = &il->_3945.stats.general.div;
 437        accum_general = &il->_3945.accum_stats.general;
 438        delta_general = &il->_3945.delta_stats.general;
 439        max_general = &il->_3945.max_delta.general;
 440        accum_dbg = &il->_3945.accum_stats.general.dbg;
 441        delta_dbg = &il->_3945.delta_stats.general.dbg;
 442        max_dbg = &il->_3945.max_delta.general.dbg;
 443        accum_div = &il->_3945.accum_stats.general.div;
 444        delta_div = &il->_3945.delta_stats.general.div;
 445        max_div = &il->_3945.max_delta.general.div;
 446        pos += il3945_stats_flag(il, buf, bufsz);
 447        pos +=
 448            scnprintf(buf + pos, bufsz - pos,
 449                      "%-32s     current"
 450                      "acumulative       delta         max\n",
 451                      "Statistics_General:");
 452        pos +=
 453            scnprintf(buf + pos, bufsz - pos,
 454                      "  %-30s %10u  %10u  %10u  %10u\n", "burst_check:",
 455                      le32_to_cpu(dbg->burst_check), accum_dbg->burst_check,
 456                      delta_dbg->burst_check, max_dbg->burst_check);
 457        pos +=
 458            scnprintf(buf + pos, bufsz - pos,
 459                      "  %-30s %10u  %10u  %10u  %10u\n", "burst_count:",
 460                      le32_to_cpu(dbg->burst_count), accum_dbg->burst_count,
 461                      delta_dbg->burst_count, max_dbg->burst_count);
 462        pos +=
 463            scnprintf(buf + pos, bufsz - pos,
 464                      "  %-30s %10u  %10u  %10u  %10u\n", "sleep_time:",
 465                      le32_to_cpu(general->sleep_time),
 466                      accum_general->sleep_time, delta_general->sleep_time,
 467                      max_general->sleep_time);
 468        pos +=
 469            scnprintf(buf + pos, bufsz - pos,
 470                      "  %-30s %10u  %10u  %10u  %10u\n", "slots_out:",
 471                      le32_to_cpu(general->slots_out), accum_general->slots_out,
 472                      delta_general->slots_out, max_general->slots_out);
 473        pos +=
 474            scnprintf(buf + pos, bufsz - pos,
 475                      "  %-30s %10u  %10u  %10u  %10u\n", "slots_idle:",
 476                      le32_to_cpu(general->slots_idle),
 477                      accum_general->slots_idle, delta_general->slots_idle,
 478                      max_general->slots_idle);
 479        pos +=
 480            scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
 481                      le32_to_cpu(general->ttl_timestamp));
 482        pos +=
 483            scnprintf(buf + pos, bufsz - pos,
 484                      "  %-30s %10u  %10u  %10u  %10u\n", "tx_on_a:",
 485                      le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
 486                      delta_div->tx_on_a, max_div->tx_on_a);
 487        pos +=
 488            scnprintf(buf + pos, bufsz - pos,
 489                      "  %-30s %10u  %10u  %10u  %10u\n", "tx_on_b:",
 490                      le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
 491                      delta_div->tx_on_b, max_div->tx_on_b);
 492        pos +=
 493            scnprintf(buf + pos, bufsz - pos,
 494                      "  %-30s %10u  %10u  %10u  %10u\n", "exec_time:",
 495                      le32_to_cpu(div->exec_time), accum_div->exec_time,
 496                      delta_div->exec_time, max_div->exec_time);
 497        pos +=
 498            scnprintf(buf + pos, bufsz - pos,
 499                      "  %-30s %10u  %10u  %10u  %10u\n", "probe_time:",
 500                      le32_to_cpu(div->probe_time), accum_div->probe_time,
 501                      delta_div->probe_time, max_div->probe_time);
 502        ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 503        kfree(buf);
 504        return ret;
 505}
 506
 507const struct il_debugfs_ops il3945_debugfs_ops = {
 508        .rx_stats_read = il3945_ucode_rx_stats_read,
 509        .tx_stats_read = il3945_ucode_tx_stats_read,
 510        .general_stats_read = il3945_ucode_general_stats_read,
 511};
 512