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

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2009 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 <linux/kernel.h>
  30 #include <linux/module.h>
  31 #include <linux/debugfs.h>
  32
  33 #include <linux/ieee80211.h>
  34 #include <net/mac80211.h>
  35
  36
  37 #include "iwl-dev.h"
  38 #include "iwl-debug.h"
  39 #include "iwl-core.h"
  40 #include "iwl-io.h"
  41 #include "iwl-calib.h"
  42
  43 /* create and remove of files */
  44 #define DEBUGFS_ADD_DIR(name, parent) do {                              \
  45         dbgfs->dir_##name = debugfs_create_dir(#name, parent);          \
  46         if (!(dbgfs->dir_##name))                                       \
  47                 goto err;                                               \
  48 } while (0)
  49
  50 #define DEBUGFS_ADD_FILE(name, parent) do {                             \
  51         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  52         debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
  53                                 dbgfs->dir_##parent, priv,              \
  54                                 &iwl_dbgfs_##name##_ops);               \
  55         if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  60         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  61         debugfs_create_bool(#name, S_IWUSR | S_IRUSR,                   \
  62                             dbgfs->dir_##parent, ptr);                  \
  63         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
  64                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
  65                 goto err;                                               \
  66 } while (0)
  67
  68 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
  69         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  70         debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr);   \
  71         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
  72                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
  73                 goto err;                                               \
  74 } while (0)
  75
  76 #define DEBUGFS_REMOVE(name)  do {              \
  77         debugfs_remove(name);                   \
  78         name = NULL;                            \
  79 } while (0);
  80
  81 /* file operation */
  82 #define DEBUGFS_READ_FUNC(name)                                         \
  83 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  84                                         char __user *user_buf,          \
  85                                         size_t count, loff_t *ppos);
  86
  87 #define DEBUGFS_WRITE_FUNC(name)                                        \
  88 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  89                                         const char __user *user_buf,    \
  90                                         size_t count, loff_t *ppos);
  91
  92
  93 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  94 {
  95         file->private_data = inode->i_private;
  96         return 0;
  97 }
  98
  99 #define DEBUGFS_READ_FILE_OPS(name)                                     \
 100         DEBUGFS_READ_FUNC(name);                                        \
 101 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 102         .read = iwl_dbgfs_##name##_read,                                \
 103         .open = iwl_dbgfs_open_file_generic,                            \
 104 };
 105
 106 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
 107         DEBUGFS_WRITE_FUNC(name);                                       \
 108 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 109         .write = iwl_dbgfs_##name##_write,                              \
 110         .open = iwl_dbgfs_open_file_generic,                            \
 111 };
 112
 113
 114 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 115         DEBUGFS_READ_FUNC(name);                                        \
 116         DEBUGFS_WRITE_FUNC(name);                                       \
 117 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 118         .write = iwl_dbgfs_##name##_write,                              \
 119         .read = iwl_dbgfs_##name##_read,                                \
 120         .open = iwl_dbgfs_open_file_generic,                            \
 121 };
 122
 123
 124 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 125                                                 char __user *user_buf,
 126                                                 size_t count, loff_t *ppos) {
 127
 128         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 129         char *buf;
 130         int pos = 0;
 131
 132         int cnt;
 133         ssize_t ret;
 134         const size_t bufsz = 100 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
 135         buf = kzalloc(bufsz, GFP_KERNEL);
 136         if (!buf)
 137                 return -ENOMEM;
 138         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 139         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 140                 pos += scnprintf(buf + pos, bufsz - pos,
 141                                  "\t%s\t\t: %u\n",
 142                                  get_mgmt_string(cnt),
 143                                  priv->tx_stats.mgmt[cnt]);
 144         }
 145         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 146         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 147                 pos += scnprintf(buf + pos, bufsz - pos,
 148                                  "\t%s\t\t: %u\n",
 149                                  get_ctrl_string(cnt),
 150                                  priv->tx_stats.ctrl[cnt]);
 151         }
 152         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 153         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 154                          priv->tx_stats.data_cnt);
 155         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 156                          priv->tx_stats.data_bytes);
 157         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 158         kfree(buf);
 159         return ret;
 160 }
 161
 162 static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
 163                                         const char __user *user_buf,
 164                                         size_t count, loff_t *ppos)
 165 {
 166         struct iwl_priv *priv = file->private_data;
 167         u32 clear_flag;
 168         char buf[8];
 169         int buf_size;
 170
 171         memset(buf, 0, sizeof(buf));
 172         buf_size = min(count, sizeof(buf) -  1);
 173         if (copy_from_user(buf, user_buf, buf_size))
 174                 return -EFAULT;
 175         if (sscanf(buf, "%x", &clear_flag) != 1)
 176                 return -EFAULT;
 177         if (clear_flag == 1)
 178                 iwl_clear_tx_stats(priv);
 179
 180         return count;
 181 }
 182
 183 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 184                                                 char __user *user_buf,
 185                                                 size_t count, loff_t *ppos) {
 186
 187         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 188         char *buf;
 189         int pos = 0;
 190         int cnt;
 191         ssize_t ret;
 192         const size_t bufsz = 100 +
 193                 sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
 194         buf = kzalloc(bufsz, GFP_KERNEL);
 195         if (!buf)
 196                 return -ENOMEM;
 197
 198         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 199         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 200                 pos += scnprintf(buf + pos, bufsz - pos,
 201                                  "\t%s\t\t: %u\n",
 202                                  get_mgmt_string(cnt),
 203                                  priv->rx_stats.mgmt[cnt]);
 204         }
 205         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 206         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 207                 pos += scnprintf(buf + pos, bufsz - pos,
 208                                  "\t%s\t\t: %u\n",
 209                                  get_ctrl_string(cnt),
 210                                  priv->rx_stats.ctrl[cnt]);
 211         }
 212         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 213         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 214                          priv->rx_stats.data_cnt);
 215         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 216                          priv->rx_stats.data_bytes);
 217
 218         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 219         kfree(buf);
 220         return ret;
 221 }
 222
 223 static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
 224                                         const char __user *user_buf,
 225                                         size_t count, loff_t *ppos)
 226 {
 227         struct iwl_priv *priv = file->private_data;
 228         u32 clear_flag;
 229         char buf[8];
 230         int buf_size;
 231
 232         memset(buf, 0, sizeof(buf));
 233         buf_size = min(count, sizeof(buf) -  1);
 234         if (copy_from_user(buf, user_buf, buf_size))
 235                 return -EFAULT;
 236         if (sscanf(buf, "%x", &clear_flag) != 1)
 237                 return -EFAULT;
 238         if (clear_flag == 1)
 239                 iwl_clear_rx_stats(priv);
 240         return count;
 241 }
 242
 243 #define BYTE1_MASK 0x000000ff;
 244 #define BYTE2_MASK 0x0000ffff;
 245 #define BYTE3_MASK 0x00ffffff;
 246 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 247                                         char __user *user_buf,
 248                                         size_t count, loff_t *ppos)
 249 {
 250         u32 val;
 251         char buf[1024];
 252         ssize_t ret;
 253         int i;
 254         int pos = 0;
 255         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 256         const size_t bufsz = sizeof(buf);
 257
 258         for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
 259                 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
 260                                         priv->dbgfs->sram_len - i);
 261                 if (i < 4) {
 262                         switch (i) {
 263                         case 1:
 264                                 val &= BYTE1_MASK;
 265                                 break;
 266                         case 2:
 267                                 val &= BYTE2_MASK;
 268                                 break;
 269                         case 3:
 270                                 val &= BYTE3_MASK;
 271                                 break;
 272                         }
 273                 }
 274                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
 275         }
 276         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 277
 278         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 279         return ret;
 280 }
 281
 282 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 283                                         const char __user *user_buf,
 284                                         size_t count, loff_t *ppos)
 285 {
 286         struct iwl_priv *priv = file->private_data;
 287         char buf[64];
 288         int buf_size;
 289         u32 offset, len;
 290
 291         memset(buf, 0, sizeof(buf));
 292         buf_size = min(count, sizeof(buf) -  1);
 293         if (copy_from_user(buf, user_buf, buf_size))
 294                 return -EFAULT;
 295
 296         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 297                 priv->dbgfs->sram_offset = offset;
 298                 priv->dbgfs->sram_len = len;
 299         } else {
 300                 priv->dbgfs->sram_offset = 0;
 301                 priv->dbgfs->sram_len = 0;
 302         }
 303
 304         return count;
 305 }
 306
 307 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 308                                         size_t count, loff_t *ppos)
 309 {
 310         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 311         struct iwl_station_entry *station;
 312         int max_sta = priv->hw_params.max_stations;
 313         char *buf;
 314         int i, j, pos = 0;
 315         ssize_t ret;
 316         /* Add 30 for initial string */
 317         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 318
 319         buf = kmalloc(bufsz, GFP_KERNEL);
 320         if (!buf)
 321                 return -ENOMEM;
 322
 323         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 324                         priv->num_stations);
 325
 326         for (i = 0; i < max_sta; i++) {
 327                 station = &priv->stations[i];
 328                 if (station->used) {
 329                         pos += scnprintf(buf + pos, bufsz - pos,
 330                                         "station %d:\ngeneral data:\n", i+1);
 331                         pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
 332                                         station->sta.sta.sta_id);
 333                         pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
 334                                         station->sta.mode);
 335                         pos += scnprintf(buf + pos, bufsz - pos,
 336                                         "flags: 0x%x\n",
 337                                         station->sta.station_flags_msk);
 338                         pos += scnprintf(buf + pos, bufsz - pos,
 339                                         "ps_status: %u\n", station->ps_status);
 340                         pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
 341                         pos += scnprintf(buf + pos, bufsz - pos,
 342                                         "seq_num\t\ttxq_id");
 343                         pos += scnprintf(buf + pos, bufsz - pos,
 344                                         "\tframe_count\twait_for_ba\t");
 345                         pos += scnprintf(buf + pos, bufsz - pos,
 346                                         "start_idx\tbitmap0\t");
 347                         pos += scnprintf(buf + pos, bufsz - pos,
 348                                         "bitmap1\trate_n_flags");
 349                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 350
 351                         for (j = 0; j < MAX_TID_COUNT; j++) {
 352                                 pos += scnprintf(buf + pos, bufsz - pos,
 353                                                 "[%d]:\t\t%u", j,
 354                                                 station->tid[j].seq_number);
 355                                 pos += scnprintf(buf + pos, bufsz - pos,
 356                                                 "\t%u\t\t%u\t\t%u\t\t",
 357                                                 station->tid[j].agg.txq_id,
 358                                                 station->tid[j].agg.frame_count,
 359                                                 station->tid[j].agg.wait_for_ba);
 360                                 pos += scnprintf(buf + pos, bufsz - pos,
 361                                                 "%u\t%llu\t%u",
 362                                                 station->tid[j].agg.start_idx,
 363                                                 (unsigned long long)station->tid[j].agg.bitmap,
 364                                                 station->tid[j].agg.rate_n_flags);
 365                                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 366                         }
 367                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 368                 }
 369         }
 370
 371         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 372         kfree(buf);
 373         return ret;
 374 }
 375
 376 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 377                                        char __user *user_buf,
 378                                        size_t count,
 379                                        loff_t *ppos)
 380 {
 381         ssize_t ret;
 382         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 383         int pos = 0, ofs = 0, buf_size = 0;
 384         const u8 *ptr;
 385         char *buf;
 386         u16 eeprom_ver;
 387         size_t eeprom_len = priv->cfg->eeprom_size;
 388         buf_size = 4 * eeprom_len + 256;
 389
 390         if (eeprom_len % 16) {
 391                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 392                 return -ENODATA;
 393         }
 394
 395         ptr = priv->eeprom;
 396         if (!ptr) {
 397                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 398                 return -ENOMEM;
 399         }
 400
 401         /* 4 characters for byte 0xYY */
 402         buf = kzalloc(buf_size, GFP_KERNEL);
 403         if (!buf) {
 404                 IWL_ERR(priv, "Can not allocate Buffer\n");
 405                 return -ENOMEM;
 406         }
 407         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 408         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 409                         "version: 0x%x\n",
 410                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 411                          ? "OTP" : "EEPROM", eeprom_ver);
 412         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 413                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 414                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 415                                    buf_size - pos, 0);
 416                 pos += strlen(buf + pos);
 417                 if (buf_size - pos > 0)
 418                         buf[pos++] = '\n';
 419         }
 420
 421         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 422         kfree(buf);
 423         return ret;
 424 }
 425
 426 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
 427                                         const char __user *user_buf,
 428                                         size_t count, loff_t *ppos)
 429 {
 430         struct iwl_priv *priv = file->private_data;
 431         u32 event_log_flag;
 432         char buf[8];
 433         int buf_size;
 434
 435         memset(buf, 0, sizeof(buf));
 436         buf_size = min(count, sizeof(buf) -  1);
 437         if (copy_from_user(buf, user_buf, buf_size))
 438                 return -EFAULT;
 439         if (sscanf(buf, "%d", &event_log_flag) != 1)
 440                 return -EFAULT;
 441         if (event_log_flag == 1)
 442                 priv->cfg->ops->lib->dump_nic_event_log(priv);
 443
 444         return count;
 445 }
 446
 447
 448
 449 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 450                                        size_t count, loff_t *ppos)
 451 {
 452         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 453         struct ieee80211_channel *channels = NULL;
 454         const struct ieee80211_supported_band *supp_band = NULL;
 455         int pos = 0, i, bufsz = PAGE_SIZE;
 456         char *buf;
 457         ssize_t ret;
 458
 459         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 460                 return -EAGAIN;
 461
 462         buf = kzalloc(bufsz, GFP_KERNEL);
 463         if (!buf) {
 464                 IWL_ERR(priv, "Can not allocate Buffer\n");
 465                 return -ENOMEM;
 466         }
 467
 468         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 469         if (supp_band) {
 470                 channels = supp_band->channels;
 471
 472                 pos += scnprintf(buf + pos, bufsz - pos,
 473                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 474                                 supp_band->n_channels);
 475
 476                 for (i = 0; i < supp_band->n_channels; i++)
 477                         pos += scnprintf(buf + pos, bufsz - pos,
 478                                         "%d: %ddBm: BSS%s%s, %s.\n",
 479                                         ieee80211_frequency_to_channel(
 480                                         channels[i].center_freq),
 481                                         channels[i].max_power,
 482                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 483                                         " (IEEE 802.11h required)" : "",
 484                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 485                                         || (channels[i].flags &
 486                                         IEEE80211_CHAN_RADAR)) ? "" :
 487                                         ", IBSS",
 488                                         channels[i].flags &
 489                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 490                                         "passive only" : "active/passive");
 491         }
 492         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 493         if (supp_band) {
 494                 channels = supp_band->channels;
 495
 496                 pos += scnprintf(buf + pos, bufsz - pos,
 497                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 498                                 supp_band->n_channels);
 499
 500                 for (i = 0; i < supp_band->n_channels; i++)
 501                         pos += scnprintf(buf + pos, bufsz - pos,
 502                                         "%d: %ddBm: BSS%s%s, %s.\n",
 503                                         ieee80211_frequency_to_channel(
 504                                         channels[i].center_freq),
 505                                         channels[i].max_power,
 506                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 507                                         " (IEEE 802.11h required)" : "",
 508                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 509                                         || (channels[i].flags &
 510                                         IEEE80211_CHAN_RADAR)) ? "" :
 511                                         ", IBSS",
 512                                         channels[i].flags &
 513                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 514                                         "passive only" : "active/passive");
 515         }
 516         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 517         kfree(buf);
 518         return ret;
 519 }
 520
 521 static ssize_t iwl_dbgfs_status_read(struct file *file,
 522                                                 char __user *user_buf,
 523                                                 size_t count, loff_t *ppos) {
 524
 525         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 526         char buf[512];
 527         int pos = 0;
 528         const size_t bufsz = sizeof(buf);
 529
 530         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 531                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
 532         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
 533                 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
 534         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 535                 test_bit(STATUS_INT_ENABLED, &priv->status));
 536         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 537                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 538         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 539                 test_bit(STATUS_CT_KILL, &priv->status));
 540         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 541                 test_bit(STATUS_INIT, &priv->status));
 542         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 543                 test_bit(STATUS_ALIVE, &priv->status));
 544         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 545                 test_bit(STATUS_READY, &priv->status));
 546         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 547                 test_bit(STATUS_TEMPERATURE, &priv->status));
 548         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 549                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 550         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 551                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 553                 test_bit(STATUS_STATISTICS, &priv->status));
 554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 555                 test_bit(STATUS_SCANNING, &priv->status));
 556         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 557                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 558         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 559                 test_bit(STATUS_SCAN_HW, &priv->status));
 560         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 561                 test_bit(STATUS_POWER_PMI, &priv->status));
 562         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 563                 test_bit(STATUS_FW_ERROR, &priv->status));
 564         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
 565                 test_bit(STATUS_MODE_PENDING, &priv->status));
 566         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 567 }
 568
 569 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 570                                         char __user *user_buf,
 571                                         size_t count, loff_t *ppos) {
 572
 573         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 574         int pos = 0;
 575         int cnt = 0;
 576         char *buf;
 577         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 578         ssize_t ret;
 579
 580         buf = kzalloc(bufsz, GFP_KERNEL);
 581         if (!buf) {
 582                 IWL_ERR(priv, "Can not allocate Buffer\n");
 583                 return -ENOMEM;
 584         }
 585
 586         pos += scnprintf(buf + pos, bufsz - pos,
 587                         "Interrupt Statistics Report:\n");
 588
 589         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
 590                 priv->isr_stats.hw);
 591         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
 592                 priv->isr_stats.sw);
 593         if (priv->isr_stats.sw > 0) {
 594                 pos += scnprintf(buf + pos, bufsz - pos,
 595                         "\tLast Restarting Code:  0x%X\n",
 596                         priv->isr_stats.sw_err);
 597         }
 598 #ifdef CONFIG_IWLWIFI_DEBUG
 599         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
 600                 priv->isr_stats.sch);
 601         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
 602                 priv->isr_stats.alive);
 603 #endif
 604         pos += scnprintf(buf + pos, bufsz - pos,
 605                 "HW RF KILL switch toggled:\t %u\n",
 606                 priv->isr_stats.rfkill);
 607
 608         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
 609                 priv->isr_stats.ctkill);
 610
 611         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
 612                 priv->isr_stats.wakeup);
 613
 614         pos += scnprintf(buf + pos, bufsz - pos,
 615                 "Rx command responses:\t\t %u\n",
 616                 priv->isr_stats.rx);
 617         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 618                 if (priv->isr_stats.rx_handlers[cnt] > 0)
 619                         pos += scnprintf(buf + pos, bufsz - pos,
 620                                 "\tRx handler[%36s]:\t\t %u\n",
 621                                 get_cmd_string(cnt),
 622                                 priv->isr_stats.rx_handlers[cnt]);
 623         }
 624
 625         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
 626                 priv->isr_stats.tx);
 627
 628         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
 629                 priv->isr_stats.unhandled);
 630
 631         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 632         kfree(buf);
 633         return ret;
 634 }
 635
 636 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 637                                          const char __user *user_buf,
 638                                          size_t count, loff_t *ppos)
 639 {
 640         struct iwl_priv *priv = file->private_data;
 641         char buf[8];
 642         int buf_size;
 643         u32 reset_flag;
 644
 645         memset(buf, 0, sizeof(buf));
 646         buf_size = min(count, sizeof(buf) -  1);
 647         if (copy_from_user(buf, user_buf, buf_size))
 648                 return -EFAULT;
 649         if (sscanf(buf, "%x", &reset_flag) != 1)
 650                 return -EFAULT;
 651         if (reset_flag == 0)
 652                 iwl_clear_isr_stats(priv);
 653
 654         return count;
 655 }
 656
 657 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 658                                        size_t count, loff_t *ppos)
 659 {
 660         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 661         int pos = 0, i;
 662         char buf[256];
 663         const size_t bufsz = sizeof(buf);
 664         ssize_t ret;
 665
 666         for (i = 0; i < AC_NUM; i++) {
 667                 pos += scnprintf(buf + pos, bufsz - pos,
 668                         "\tcw_min\tcw_max\taifsn\ttxop\n");
 669                 pos += scnprintf(buf + pos, bufsz - pos,
 670                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 671                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
 672                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
 673                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
 674                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
 675         }
 676         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 677         return ret;
 678 }
 679
 680 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 681                                   size_t count, loff_t *ppos)
 682 {
 683         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 684         int pos = 0;
 685         char buf[256];
 686         const size_t bufsz = sizeof(buf);
 687         ssize_t ret;
 688
 689         pos += scnprintf(buf + pos, bufsz - pos,
 690                          "allow blinking: %s\n",
 691                          (priv->allow_blinking) ? "True" : "False");
 692         if (priv->allow_blinking) {
 693                 pos += scnprintf(buf + pos, bufsz - pos,
 694                                  "Led blinking rate: %u\n",
 695                                  priv->last_blink_rate);
 696                 pos += scnprintf(buf + pos, bufsz - pos,
 697                                  "Last blink time: %lu\n",
 698                                  priv->last_blink_time);
 699         }
 700
 701         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 702         return ret;
 703 }
 704
 705 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 706                                 char __user *user_buf,
 707                                 size_t count, loff_t *ppos)
 708 {
 709         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 710         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 711         struct iwl_tt_restriction *restriction;
 712         char buf[100];
 713         int pos = 0;
 714         const size_t bufsz = sizeof(buf);
 715         ssize_t ret;
 716
 717         pos += scnprintf(buf + pos, bufsz - pos,
 718                         "Thermal Throttling Mode: %s\n",
 719                         tt->advanced_tt ? "Advance" : "Legacy");
 720         pos += scnprintf(buf + pos, bufsz - pos,
 721                         "Thermal Throttling State: %d\n",
 722                         tt->state);
 723         if (tt->advanced_tt) {
 724                 restriction = tt->restriction + tt->state;
 725                 pos += scnprintf(buf + pos, bufsz - pos,
 726                                 "Tx mode: %d\n",
 727                                 restriction->tx_stream);
 728                 pos += scnprintf(buf + pos, bufsz - pos,
 729                                 "Rx mode: %d\n",
 730                                 restriction->rx_stream);
 731                 pos += scnprintf(buf + pos, bufsz - pos,
 732                                 "HT mode: %d\n",
 733                                 restriction->is_ht);
 734         }
 735         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 736         return ret;
 737 }
 738
 739 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 740                                          const char __user *user_buf,
 741                                          size_t count, loff_t *ppos)
 742 {
 743         struct iwl_priv *priv = file->private_data;
 744         char buf[8];
 745         int buf_size;
 746         int ht40;
 747
 748         memset(buf, 0, sizeof(buf));
 749         buf_size = min(count, sizeof(buf) -  1);
 750         if (copy_from_user(buf, user_buf, buf_size))
 751                 return -EFAULT;
 752         if (sscanf(buf, "%d", &ht40) != 1)
 753                 return -EFAULT;
 754         if (!iwl_is_associated(priv))
 755                 priv->disable_ht40 = ht40 ? true : false;
 756         else {
 757                 IWL_ERR(priv, "Sta associated with AP - "
 758                         "Change to 40MHz channel support is not allowed\n");
 759                 return -EINVAL;
 760         }
 761
 762         return count;
 763 }
 764
 765 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 766                                          char __user *user_buf,
 767                                          size_t count, loff_t *ppos)
 768 {
 769         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 770         char buf[100];
 771         int pos = 0;
 772         const size_t bufsz = sizeof(buf);
 773         ssize_t ret;
 774
 775         pos += scnprintf(buf + pos, bufsz - pos,
 776                         "11n 40MHz Mode: %s\n",
 777                         priv->disable_ht40 ? "Disabled" : "Enabled");
 778         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 779         return ret;
 780 }
 781
 782 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 783                                                     const char __user *user_buf,
 784                                                     size_t count, loff_t *ppos)
 785 {
 786         struct iwl_priv *priv = file->private_data;
 787         char buf[8];
 788         int buf_size;
 789         int value;
 790
 791         memset(buf, 0, sizeof(buf));
 792         buf_size = min(count, sizeof(buf) -  1);
 793         if (copy_from_user(buf, user_buf, buf_size))
 794                 return -EFAULT;
 795
 796         if (sscanf(buf, "%d", &value) != 1)
 797                 return -EINVAL;
 798
 799         /*
 800          * Our users expect 0 to be "CAM", but 0 isn't actually
 801          * valid here. However, let's not confuse them and present
 802          * IWL_POWER_INDEX_1 as "1", not "0".
 803          */
 804         if (value == 0)
 805                 return -EINVAL;
 806         else if (value > 0)
 807                 value -= 1;
 808
 809         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 810                 return -EINVAL;
 811
 812         priv->power_data.debug_sleep_level_override = value;
 813
 814         iwl_power_update_mode(priv, false);
 815
 816         return count;
 817 }
 818
 819 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 820                                                    char __user *user_buf,
 821                                                    size_t count, loff_t *ppos)
 822 {
 823         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 824         char buf[10];
 825         int pos, value;
 826         const size_t bufsz = sizeof(buf);
 827
 828         /* see the write function */
 829         value = priv->power_data.debug_sleep_level_override;
 830         if (value >= 0)
 831                 value += 1;
 832
 833         pos = scnprintf(buf, bufsz, "%d\n", value);
 834         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 835 }
 836
 837 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 838                                                     char __user *user_buf,
 839                                                     size_t count, loff_t *ppos)
 840 {
 841         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 842         char buf[200];
 843         int pos = 0, i;
 844         const size_t bufsz = sizeof(buf);
 845         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 846
 847         pos += scnprintf(buf + pos, bufsz - pos,
 848                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 849         pos += scnprintf(buf + pos, bufsz - pos,
 850                          "RX/TX timeout: %d/%d usec\n",
 851                          le32_to_cpu(cmd->rx_data_timeout),
 852                          le32_to_cpu(cmd->tx_data_timeout));
 853         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 854                 pos += scnprintf(buf + pos, bufsz - pos,
 855                                  "sleep_interval[%d]: %d\n", i,
 856                                  le32_to_cpu(cmd->sleep_interval[i]));
 857
 858         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 859 }
 860
 861 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 862 DEBUGFS_WRITE_FILE_OPS(log_event);
 863 DEBUGFS_READ_FILE_OPS(nvm);
 864 DEBUGFS_READ_FILE_OPS(stations);
 865 DEBUGFS_READ_FILE_OPS(channels);
 866 DEBUGFS_READ_FILE_OPS(status);
 867 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 868 DEBUGFS_READ_FILE_OPS(qos);
 869 DEBUGFS_READ_FILE_OPS(led);
 870 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 871 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 872 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 873 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 874
 875 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 876                                          char __user *user_buf,
 877                                          size_t count, loff_t *ppos)
 878 {
 879         struct iwl_priv *priv = file->private_data;
 880         int pos = 0, ofs = 0;
 881         int cnt = 0, entry;
 882         struct iwl_tx_queue *txq;
 883         struct iwl_queue *q;
 884         struct iwl_rx_queue *rxq = &priv->rxq;
 885         char *buf;
 886         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 887                 (priv->cfg->num_of_queues * 32 * 8) + 400;
 888         const u8 *ptr;
 889         ssize_t ret;
 890
 891         if (!priv->txq) {
 892                 IWL_ERR(priv, "txq not ready\n");
 893                 return -EAGAIN;
 894         }
 895         buf = kzalloc(bufsz, GFP_KERNEL);
 896         if (!buf) {
 897                 IWL_ERR(priv, "Can not allocate buffer\n");
 898                 return -ENOMEM;
 899         }
 900         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 901         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 902                 txq = &priv->txq[cnt];
 903                 q = &txq->q;
 904                 pos += scnprintf(buf + pos, bufsz - pos,
 905                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 906                                 cnt, q->read_ptr, q->write_ptr);
 907         }
 908         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 909                 ptr = priv->tx_traffic;
 910                 pos += scnprintf(buf + pos, bufsz - pos,
 911                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 912                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 913                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 914                              entry++,  ofs += 16) {
 915                                 pos += scnprintf(buf + pos, bufsz - pos,
 916                                                 "0x%.4x ", ofs);
 917                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 918                                                    buf + pos, bufsz - pos, 0);
 919                                 pos += strlen(buf + pos);
 920                                 if (bufsz - pos > 0)
 921                                         buf[pos++] = '\n';
 922                         }
 923                 }
 924         }
 925
 926         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 927         pos += scnprintf(buf + pos, bufsz - pos,
 928                         "read: %u, write: %u\n",
 929                          rxq->read, rxq->write);
 930
 931         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 932                 ptr = priv->rx_traffic;
 933                 pos += scnprintf(buf + pos, bufsz - pos,
 934                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 935                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 936                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 937                              entry++,  ofs += 16) {
 938                                 pos += scnprintf(buf + pos, bufsz - pos,
 939                                                 "0x%.4x ", ofs);
 940                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 941                                                    buf + pos, bufsz - pos, 0);
 942                                 pos += strlen(buf + pos);
 943                                 if (bufsz - pos > 0)
 944                                         buf[pos++] = '\n';
 945                         }
 946                 }
 947         }
 948
 949         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 950         kfree(buf);
 951         return ret;
 952 }
 953
 954 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 955                                          const char __user *user_buf,
 956                                          size_t count, loff_t *ppos)
 957 {
 958         struct iwl_priv *priv = file->private_data;
 959         char buf[8];
 960         int buf_size;
 961         int traffic_log;
 962
 963         memset(buf, 0, sizeof(buf));
 964         buf_size = min(count, sizeof(buf) -  1);
 965         if (copy_from_user(buf, user_buf, buf_size))
 966                 return -EFAULT;
 967         if (sscanf(buf, "%d", &traffic_log) != 1)
 968                 return -EFAULT;
 969         if (traffic_log == 0)
 970                 iwl_reset_traffic_log(priv);
 971
 972         return count;
 973 }
 974
 975 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 976                                                 char __user *user_buf,
 977                                                 size_t count, loff_t *ppos) {
 978
 979         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 980         struct iwl_tx_queue *txq;
 981         struct iwl_queue *q;
 982         char *buf;
 983         int pos = 0;
 984         int cnt;
 985         int ret;
 986         const size_t bufsz = sizeof(char) * 60 * priv->cfg->num_of_queues;
 987
 988         if (!priv->txq) {
 989                 IWL_ERR(priv, "txq not ready\n");
 990                 return -EAGAIN;
 991         }
 992         buf = kzalloc(bufsz, GFP_KERNEL);
 993         if (!buf)
 994                 return -ENOMEM;
 995
 996         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 997                 txq = &priv->txq[cnt];
 998                 q = &txq->q;
 999                 pos += scnprintf(buf + pos, bufsz - pos,
1000                                 "hwq %.2d: read=%u write=%u stop=%d"
1001                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
1002                                 cnt, q->read_ptr, q->write_ptr,
1003                                 !!test_bit(cnt, priv->queue_stopped),
1004                                 txq->swq_id,
1005                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1006                                 txq->swq_id,
1007                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1008                                 0x1f : txq->swq_id);
1009                 if (cnt >= 4)
1010                         continue;
1011                 /* for the ACs, display the stop count too */
1012                 pos += scnprintf(buf + pos, bufsz - pos,
1013                                 "        stop-count: %d\n",
1014                                 atomic_read(&priv->queue_stop_count[cnt]));
1015         }
1016         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1017         kfree(buf);
1018         return ret;
1019 }
1020
1021 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1022                                                 char __user *user_buf,
1023                                                 size_t count, loff_t *ppos) {
1024
1025         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1026         struct iwl_rx_queue *rxq = &priv->rxq;
1027         char buf[256];
1028         int pos = 0;
1029         const size_t bufsz = sizeof(buf);
1030
1031         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1032                                                 rxq->read);
1033         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1034                                                 rxq->write);
1035         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1036                                                 rxq->free_count);
1037         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1038                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1039         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040 }
1041
1042 #define UCODE_STATISTICS_CLEAR_MSK              (0x1 << 0)
1043 #define UCODE_STATISTICS_FREQUENCY_MSK          (0x1 << 1)
1044 #define UCODE_STATISTICS_NARROW_BAND_MSK        (0x1 << 2)
1045
1046 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1047                                      int bufsz)
1048 {
1049         int p = 0;
1050
1051         p += scnprintf(buf + p, bufsz - p,
1052                 "Statistics Flag(0x%X):\n",
1053                 le32_to_cpu(priv->statistics.flag));
1054         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1055                 p += scnprintf(buf + p, bufsz - p,
1056                 "\tStatistics have been cleared\n");
1057         p += scnprintf(buf + p, bufsz - p,
1058                 "\tOperational Frequency: %s\n",
1059                 (le32_to_cpu(priv->statistics.flag) &
1060                 UCODE_STATISTICS_FREQUENCY_MSK)
1061                  ? "2.4 GHz" : "5.2 GHz");
1062         p += scnprintf(buf + p, bufsz - p,
1063                 "\tTGj Narrow Band: %s\n",
1064                 (le32_to_cpu(priv->statistics.flag) &
1065                 UCODE_STATISTICS_NARROW_BAND_MSK)
1066                  ? "enabled" : "disabled");
1067         return p;
1068 }
1069
1070
1071 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1072                                         char __user *user_buf,
1073                                         size_t count, loff_t *ppos)
1074 {
1075         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1076         int pos = 0;
1077         char *buf;
1078         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1079                 sizeof(struct statistics_rx_non_phy) * 20 +
1080                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1081         ssize_t ret;
1082         struct statistics_rx_phy *ofdm, *accum_ofdm;
1083         struct statistics_rx_phy *cck, *accum_cck;
1084         struct statistics_rx_non_phy *general, *accum_general;
1085         struct statistics_rx_ht_phy *ht, *accum_ht;
1086
1087         if (!iwl_is_alive(priv))
1088                 return -EAGAIN;
1089
1090         /* make request to uCode to retrieve statistics information */
1091         mutex_lock(&priv->mutex);
1092         ret = iwl_send_statistics_request(priv, 0);
1093         mutex_unlock(&priv->mutex);
1094
1095         if (ret) {
1096                 IWL_ERR(priv,
1097                         "Error sending statistics request: %zd\n", ret);
1098                 return -EAGAIN;
1099         }
1100         buf = kzalloc(bufsz, GFP_KERNEL);
1101         if (!buf) {
1102                 IWL_ERR(priv, "Can not allocate Buffer\n");
1103                 return -ENOMEM;
1104         }
1105
1106         /* the statistic information display here is based on
1107          * the last statistics notification from uCode
1108          * might not reflect the current uCode activity
1109          */
1110         ofdm = &priv->statistics.rx.ofdm;
1111         cck = &priv->statistics.rx.cck;
1112         general = &priv->statistics.rx.general;
1113         ht = &priv->statistics.rx.ofdm_ht;
1114         accum_ofdm = &priv->accum_statistics.rx.ofdm;
1115         accum_cck = &priv->accum_statistics.rx.cck;
1116         accum_general = &priv->accum_statistics.rx.general;
1117         accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1118         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1119         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1120         pos += scnprintf(buf + pos, bufsz - pos,
1121                         "\t\t\tcurrent\t\t\taccumulative\n");
1122         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1123                          le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
1124         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1125                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
1126         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1127                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
1128         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1129                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
1130         pos += scnprintf(buf + pos, bufsz - pos,
1131                          "overrun_err:\t\t%u\t\t\t%u\n",
1132                          le32_to_cpu(ofdm->overrun_err),
1133                          accum_ofdm->overrun_err);
1134         pos += scnprintf(buf + pos, bufsz - pos,
1135                          "early_overrun_err:\t%u\t\t\t%u\n",
1136                          le32_to_cpu(ofdm->early_overrun_err),
1137                          accum_ofdm->early_overrun_err);
1138         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1139                          le32_to_cpu(ofdm->crc32_good),
1140                          accum_ofdm->crc32_good);
1141         pos += scnprintf(buf + pos, bufsz - pos,
1142                          "false_alarm_cnt:\t%u\t\t\t%u\n",
1143                          le32_to_cpu(ofdm->false_alarm_cnt),
1144                          accum_ofdm->false_alarm_cnt);
1145         pos += scnprintf(buf + pos, bufsz - pos,
1146                          "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1147                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1148                          accum_ofdm->fina_sync_err_cnt);
1149         pos += scnprintf(buf + pos, bufsz - pos,
1150                          "sfd_timeout:\t\t%u\t\t\t%u\n",
1151                          le32_to_cpu(ofdm->sfd_timeout),
1152                          accum_ofdm->sfd_timeout);
1153         pos += scnprintf(buf + pos, bufsz - pos,
1154                          "fina_timeout:\t\t%u\t\t\t%u\n",
1155                          le32_to_cpu(ofdm->fina_timeout),
1156                          accum_ofdm->fina_timeout);
1157         pos += scnprintf(buf + pos, bufsz - pos,
1158                          "unresponded_rts:\t%u\t\t\t%u\n",
1159                          le32_to_cpu(ofdm->unresponded_rts),
1160                          accum_ofdm->unresponded_rts);
1161         pos += scnprintf(buf + pos, bufsz - pos,
1162                         "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1163                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1164                          accum_ofdm->rxe_frame_limit_overrun);
1165         pos += scnprintf(buf + pos, bufsz - pos,
1166                          "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1167                          le32_to_cpu(ofdm->sent_ack_cnt),
1168                          accum_ofdm->sent_ack_cnt);
1169         pos += scnprintf(buf + pos, bufsz - pos,
1170                          "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1171                          le32_to_cpu(ofdm->sent_cts_cnt),
1172                          accum_ofdm->sent_cts_cnt);
1173         pos += scnprintf(buf + pos, bufsz - pos,
1174                          "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1175                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1176                          accum_ofdm->sent_ba_rsp_cnt);
1177         pos += scnprintf(buf + pos, bufsz - pos,
1178                          "dsp_self_kill:\t\t%u\t\t\t%u\n",
1179                          le32_to_cpu(ofdm->dsp_self_kill),
1180                          accum_ofdm->dsp_self_kill);
1181         pos += scnprintf(buf + pos, bufsz - pos,
1182                          "mh_format_err:\t\t%u\t\t\t%u\n",
1183                          le32_to_cpu(ofdm->mh_format_err),
1184                          accum_ofdm->mh_format_err);
1185         pos += scnprintf(buf + pos, bufsz - pos,
1186                          "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1187                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1188                          accum_ofdm->re_acq_main_rssi_sum);
1189
1190         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1191         pos += scnprintf(buf + pos, bufsz - pos,
1192                         "\t\t\tcurrent\t\t\taccumulative\n");
1193         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1194                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
1195         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1196                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
1197         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1198                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
1199         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1200                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
1201         pos += scnprintf(buf + pos, bufsz - pos,
1202                          "overrun_err:\t\t%u\t\t\t%u\n",
1203                          le32_to_cpu(cck->overrun_err),
1204                          accum_cck->overrun_err);
1205         pos += scnprintf(buf + pos, bufsz - pos,
1206                          "early_overrun_err:\t%u\t\t\t%u\n",
1207                          le32_to_cpu(cck->early_overrun_err),
1208                          accum_cck->early_overrun_err);
1209         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1210                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
1211         pos += scnprintf(buf + pos, bufsz - pos,
1212                          "false_alarm_cnt:\t%u\t\t\t%u\n",
1213                          le32_to_cpu(cck->false_alarm_cnt),
1214                          accum_cck->false_alarm_cnt);
1215         pos += scnprintf(buf + pos, bufsz - pos,
1216                          "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1217                          le32_to_cpu(cck->fina_sync_err_cnt),
1218                          accum_cck->fina_sync_err_cnt);
1219         pos += scnprintf(buf + pos, bufsz - pos,
1220                          "sfd_timeout:\t\t%u\t\t\t%u\n",
1221                          le32_to_cpu(cck->sfd_timeout),
1222                          accum_cck->sfd_timeout);
1223         pos += scnprintf(buf + pos, bufsz - pos,
1224                          "fina_timeout:\t\t%u\t\t\t%u\n",
1225                          le32_to_cpu(cck->fina_timeout),
1226                          accum_cck->fina_timeout);
1227         pos += scnprintf(buf + pos, bufsz - pos,
1228                          "unresponded_rts:\t%u\t\t\t%u\n",
1229                          le32_to_cpu(cck->unresponded_rts),
1230                          accum_cck->unresponded_rts);
1231         pos += scnprintf(buf + pos, bufsz - pos,
1232                         "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1233                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1234                          accum_cck->rxe_frame_limit_overrun);
1235         pos += scnprintf(buf + pos, bufsz - pos,
1236                          "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1237                          le32_to_cpu(cck->sent_ack_cnt),
1238                          accum_cck->sent_ack_cnt);
1239         pos += scnprintf(buf + pos, bufsz - pos,
1240                          "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1241                          le32_to_cpu(cck->sent_cts_cnt),
1242                          accum_cck->sent_cts_cnt);
1243         pos += scnprintf(buf + pos, bufsz - pos,
1244                          "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1245                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1246                          accum_cck->sent_ba_rsp_cnt);
1247         pos += scnprintf(buf + pos, bufsz - pos,
1248                          "dsp_self_kill:\t\t%u\t\t\t%u\n",
1249                          le32_to_cpu(cck->dsp_self_kill),
1250                          accum_cck->dsp_self_kill);
1251         pos += scnprintf(buf + pos, bufsz - pos,
1252                          "mh_format_err:\t\t%u\t\t\t%u\n",
1253                          le32_to_cpu(cck->mh_format_err),
1254                          accum_cck->mh_format_err);
1255         pos += scnprintf(buf + pos, bufsz - pos,
1256                          "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1257                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1258                          accum_cck->re_acq_main_rssi_sum);
1259
1260         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1261         pos += scnprintf(buf + pos, bufsz - pos,
1262                         "\t\t\tcurrent\t\t\taccumulative\n");
1263         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
1264                          le32_to_cpu(general->bogus_cts),
1265                          accum_general->bogus_cts);
1266         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
1267                          le32_to_cpu(general->bogus_ack),
1268                          accum_general->bogus_ack);
1269         pos += scnprintf(buf + pos, bufsz - pos,
1270                          "non_bssid_frames:\t%u\t\t\t%u\n",
1271                          le32_to_cpu(general->non_bssid_frames),
1272                          accum_general->non_bssid_frames);
1273         pos += scnprintf(buf + pos, bufsz - pos,
1274                          "filtered_frames:\t%u\t\t\t%u\n",
1275                          le32_to_cpu(general->filtered_frames),
1276                          accum_general->filtered_frames);
1277         pos += scnprintf(buf + pos, bufsz - pos,
1278                          "non_channel_beacons:\t%u\t\t\t%u\n",
1279                          le32_to_cpu(general->non_channel_beacons),
1280                          accum_general->non_channel_beacons);
1281         pos += scnprintf(buf + pos, bufsz - pos,
1282                          "channel_beacons:\t%u\t\t\t%u\n",
1283                          le32_to_cpu(general->channel_beacons),
1284                          accum_general->channel_beacons);
1285         pos += scnprintf(buf + pos, bufsz - pos,
1286                          "num_missed_bcon:\t%u\t\t\t%u\n",
1287                          le32_to_cpu(general->num_missed_bcon),
1288                          accum_general->num_missed_bcon);
1289         pos += scnprintf(buf + pos, bufsz - pos,
1290                         "adc_rx_saturation_time:\t%u\t\t\t%u\n",
1291                          le32_to_cpu(general->adc_rx_saturation_time),
1292                          accum_general->adc_rx_saturation_time);
1293         pos += scnprintf(buf + pos, bufsz - pos,
1294                         "ina_detect_search_tm:\t%u\t\t\t%u\n",
1295                          le32_to_cpu(general->ina_detection_search_time),
1296                          accum_general->ina_detection_search_time);
1297         pos += scnprintf(buf + pos, bufsz - pos,
1298                          "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
1299                          le32_to_cpu(general->beacon_silence_rssi_a),
1300                          accum_general->beacon_silence_rssi_a);
1301         pos += scnprintf(buf + pos, bufsz - pos,
1302                          "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
1303                          le32_to_cpu(general->beacon_silence_rssi_b),
1304                          accum_general->beacon_silence_rssi_b);
1305         pos += scnprintf(buf + pos, bufsz - pos,
1306                          "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
1307                          le32_to_cpu(general->beacon_silence_rssi_c),
1308                          accum_general->beacon_silence_rssi_c);
1309         pos += scnprintf(buf + pos, bufsz - pos,
1310                         "interference_data_flag:\t%u\t\t\t%u\n",
1311                          le32_to_cpu(general->interference_data_flag),
1312                          accum_general->interference_data_flag);
1313         pos += scnprintf(buf + pos, bufsz - pos,
1314                          "channel_load:\t\t%u\t\t\t%u\n",
1315                          le32_to_cpu(general->channel_load),
1316                          accum_general->channel_load);
1317         pos += scnprintf(buf + pos, bufsz - pos,
1318                          "dsp_false_alarms:\t%u\t\t\t%u\n",
1319                          le32_to_cpu(general->dsp_false_alarms),
1320                          accum_general->dsp_false_alarms);
1321         pos += scnprintf(buf + pos, bufsz - pos,
1322                          "beacon_rssi_a:\t\t%u\t\t\t%u\n",
1323                          le32_to_cpu(general->beacon_rssi_a),
1324                          accum_general->beacon_rssi_a);
1325         pos += scnprintf(buf + pos, bufsz - pos,
1326                          "beacon_rssi_b:\t\t%u\t\t\t%u\n",
1327                          le32_to_cpu(general->beacon_rssi_b),
1328                          accum_general->beacon_rssi_b);
1329         pos += scnprintf(buf + pos, bufsz - pos,
1330                          "beacon_rssi_c:\t\t%u\t\t\t%u\n",
1331                          le32_to_cpu(general->beacon_rssi_c),
1332                          accum_general->beacon_rssi_c);
1333         pos += scnprintf(buf + pos, bufsz - pos,
1334                          "beacon_energy_a:\t%u\t\t\t%u\n",
1335                          le32_to_cpu(general->beacon_energy_a),
1336                          accum_general->beacon_energy_a);
1337         pos += scnprintf(buf + pos, bufsz - pos,
1338                          "beacon_energy_b:\t%u\t\t\t%u\n",
1339                          le32_to_cpu(general->beacon_energy_b),
1340                          accum_general->beacon_energy_b);
1341         pos += scnprintf(buf + pos, bufsz - pos,
1342                          "beacon_energy_c:\t%u\t\t\t%u\n",
1343                          le32_to_cpu(general->beacon_energy_c),
1344                          accum_general->beacon_energy_c);
1345
1346         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1347         pos += scnprintf(buf + pos, bufsz - pos,
1348                         "\t\t\tcurrent\t\t\taccumulative\n");
1349         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1350                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
1351         pos += scnprintf(buf + pos, bufsz - pos,
1352                          "overrun_err:\t\t%u\t\t\t%u\n",
1353                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
1354         pos += scnprintf(buf + pos, bufsz - pos,
1355                          "early_overrun_err:\t%u\t\t\t%u\n",
1356                          le32_to_cpu(ht->early_overrun_err),
1357                          accum_ht->early_overrun_err);
1358         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1359                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
1360         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1361                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
1362         pos += scnprintf(buf + pos, bufsz - pos,
1363                          "mh_format_err:\t\t%u\t\t\t%u\n",
1364                          le32_to_cpu(ht->mh_format_err),
1365                          accum_ht->mh_format_err);
1366         pos += scnprintf(buf + pos, bufsz - pos,
1367                          "agg_crc32_good:\t\t%u\t\t\t%u\n",
1368                          le32_to_cpu(ht->agg_crc32_good),
1369                          accum_ht->agg_crc32_good);
1370         pos += scnprintf(buf + pos, bufsz - pos,
1371                          "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
1372                          le32_to_cpu(ht->agg_mpdu_cnt),
1373                          accum_ht->agg_mpdu_cnt);
1374         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
1375                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
1376
1377         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1378         kfree(buf);
1379         return ret;
1380 }
1381
1382 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1383                                         char __user *user_buf,
1384                                         size_t count, loff_t *ppos)
1385 {
1386         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1387         int pos = 0;
1388         char *buf;
1389         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1390         ssize_t ret;
1391         struct statistics_tx *tx, *accum_tx;
1392
1393         if (!iwl_is_alive(priv))
1394                 return -EAGAIN;
1395
1396         /* make request to uCode to retrieve statistics information */
1397         mutex_lock(&priv->mutex);
1398         ret = iwl_send_statistics_request(priv, 0);
1399         mutex_unlock(&priv->mutex);
1400
1401         if (ret) {
1402                 IWL_ERR(priv,
1403                         "Error sending statistics request: %zd\n", ret);
1404                 return -EAGAIN;
1405         }
1406         buf = kzalloc(bufsz, GFP_KERNEL);
1407         if (!buf) {
1408                 IWL_ERR(priv, "Can not allocate Buffer\n");
1409                 return -ENOMEM;
1410         }
1411
1412         /* the statistic information display here is based on
1413          * the last statistics notification from uCode
1414          * might not reflect the current uCode activity
1415          */
1416         tx = &priv->statistics.tx;
1417         accum_tx = &priv->accum_statistics.tx;
1418         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1419         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1420         pos += scnprintf(buf + pos, bufsz - pos,
1421                         "\t\t\tcurrent\t\t\taccumulative\n");
1422         pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
1423                          le32_to_cpu(tx->preamble_cnt),
1424                          accum_tx->preamble_cnt);
1425         pos += scnprintf(buf + pos, bufsz - pos,
1426                          "rx_detected_cnt:\t\t%u\t\t\t%u\n",
1427                          le32_to_cpu(tx->rx_detected_cnt),
1428                          accum_tx->rx_detected_cnt);
1429         pos += scnprintf(buf + pos, bufsz - pos,
1430                          "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
1431                          le32_to_cpu(tx->bt_prio_defer_cnt),
1432                          accum_tx->bt_prio_defer_cnt);
1433         pos += scnprintf(buf + pos, bufsz - pos,
1434                          "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
1435                          le32_to_cpu(tx->bt_prio_kill_cnt),
1436                          accum_tx->bt_prio_kill_cnt);
1437         pos += scnprintf(buf + pos, bufsz - pos,
1438                          "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
1439                          le32_to_cpu(tx->few_bytes_cnt),
1440                          accum_tx->few_bytes_cnt);
1441         pos += scnprintf(buf + pos, bufsz - pos,
1442                          "cts_timeout:\t\t\t%u\t\t\t%u\n",
1443                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
1444         pos += scnprintf(buf + pos, bufsz - pos,
1445                          "ack_timeout:\t\t\t%u\t\t\t%u\n",
1446                          le32_to_cpu(tx->ack_timeout),
1447                          accum_tx->ack_timeout);
1448         pos += scnprintf(buf + pos, bufsz - pos,
1449                          "expected_ack_cnt:\t\t%u\t\t\t%u\n",
1450                          le32_to_cpu(tx->expected_ack_cnt),
1451                          accum_tx->expected_ack_cnt);
1452         pos += scnprintf(buf + pos, bufsz - pos,
1453                          "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
1454                          le32_to_cpu(tx->actual_ack_cnt),
1455                          accum_tx->actual_ack_cnt);
1456         pos += scnprintf(buf + pos, bufsz - pos,
1457                          "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
1458                          le32_to_cpu(tx->dump_msdu_cnt),
1459                          accum_tx->dump_msdu_cnt);
1460         pos += scnprintf(buf + pos, bufsz - pos,
1461                          "abort_nxt_frame_mismatch:"
1462                          "\t%u\t\t\t%u\n",
1463                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1464                          accum_tx->burst_abort_next_frame_mismatch_cnt);
1465         pos += scnprintf(buf + pos, bufsz - pos,
1466                          "abort_missing_nxt_frame:"
1467                          "\t%u\t\t\t%u\n",
1468                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1469                          accum_tx->burst_abort_missing_next_frame_cnt);
1470         pos += scnprintf(buf + pos, bufsz - pos,
1471                          "cts_timeout_collision:\t\t%u\t\t\t%u\n",
1472                          le32_to_cpu(tx->cts_timeout_collision),
1473                          accum_tx->cts_timeout_collision);
1474         pos += scnprintf(buf + pos, bufsz - pos,
1475                         "ack_ba_timeout_collision:\t%u\t\t\t%u\n",
1476                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1477                          accum_tx->ack_or_ba_timeout_collision);
1478         pos += scnprintf(buf + pos, bufsz - pos,
1479                          "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
1480                          le32_to_cpu(tx->agg.ba_timeout),
1481                          accum_tx->agg.ba_timeout);
1482         pos += scnprintf(buf + pos, bufsz - pos,
1483                         "agg ba_resched_frames:\t\t%u\t\t\t%u\n",
1484                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1485                          accum_tx->agg.ba_reschedule_frames);
1486         pos += scnprintf(buf + pos, bufsz - pos,
1487                         "agg scd_query_agg_frame:\t%u\t\t\t%u\n",
1488                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1489                          accum_tx->agg.scd_query_agg_frame_cnt);
1490         pos += scnprintf(buf + pos, bufsz - pos,
1491                          "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
1492                          le32_to_cpu(tx->agg.scd_query_no_agg),
1493                          accum_tx->agg.scd_query_no_agg);
1494         pos += scnprintf(buf + pos, bufsz - pos,
1495                          "agg scd_query_agg:\t\t%u\t\t\t%u\n",
1496                          le32_to_cpu(tx->agg.scd_query_agg),
1497                          accum_tx->agg.scd_query_agg);
1498         pos += scnprintf(buf + pos, bufsz - pos,
1499                         "agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
1500                          le32_to_cpu(tx->agg.scd_query_mismatch),
1501                          accum_tx->agg.scd_query_mismatch);
1502         pos += scnprintf(buf + pos, bufsz - pos,
1503                          "agg frame_not_ready:\t\t%u\t\t\t%u\n",
1504                          le32_to_cpu(tx->agg.frame_not_ready),
1505                          accum_tx->agg.frame_not_ready);
1506         pos += scnprintf(buf + pos, bufsz - pos,
1507                          "agg underrun:\t\t\t%u\t\t\t%u\n",
1508                          le32_to_cpu(tx->agg.underrun),
1509                          accum_tx->agg.underrun);
1510         pos += scnprintf(buf + pos, bufsz - pos,
1511                          "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
1512                          le32_to_cpu(tx->agg.bt_prio_kill),
1513                          accum_tx->agg.bt_prio_kill);
1514         pos += scnprintf(buf + pos, bufsz - pos,
1515                          "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
1516                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1517                          accum_tx->agg.rx_ba_rsp_cnt);
1518
1519         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1520         kfree(buf);
1521         return ret;
1522 }
1523
1524 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1525                                         char __user *user_buf,
1526                                         size_t count, loff_t *ppos)
1527 {
1528         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1529         int pos = 0;
1530         char *buf;
1531         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1532         ssize_t ret;
1533         struct statistics_general *general, *accum_general;
1534         struct statistics_dbg *dbg, *accum_dbg;
1535         struct statistics_div *div, *accum_div;
1536
1537         if (!iwl_is_alive(priv))
1538                 return -EAGAIN;
1539
1540         /* make request to uCode to retrieve statistics information */
1541         mutex_lock(&priv->mutex);
1542         ret = iwl_send_statistics_request(priv, 0);
1543         mutex_unlock(&priv->mutex);
1544
1545         if (ret) {
1546                 IWL_ERR(priv,
1547                         "Error sending statistics request: %zd\n", ret);
1548                 return -EAGAIN;
1549         }
1550         buf = kzalloc(bufsz, GFP_KERNEL);
1551         if (!buf) {
1552                 IWL_ERR(priv, "Can not allocate Buffer\n");
1553                 return -ENOMEM;
1554         }
1555
1556         /* the statistic information display here is based on
1557          * the last statistics notification from uCode
1558          * might not reflect the current uCode activity
1559          */
1560         general = &priv->statistics.general;
1561         dbg = &priv->statistics.general.dbg;
1562         div = &priv->statistics.general.div;
1563         accum_general = &priv->accum_statistics.general;
1564         accum_dbg = &priv->accum_statistics.general.dbg;
1565         accum_div = &priv->accum_statistics.general.div;
1566         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1567         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1568         pos += scnprintf(buf + pos, bufsz - pos,
1569                         "\t\t\tcurrent\t\t\taccumulative\n");
1570         pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
1571                          le32_to_cpu(general->temperature));
1572         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
1573                          le32_to_cpu(general->temperature_m));
1574         pos += scnprintf(buf + pos, bufsz - pos,
1575                          "burst_check:\t\t\t%u\t\t\t%u\n",
1576                          le32_to_cpu(dbg->burst_check),
1577                          accum_dbg->burst_check);
1578         pos += scnprintf(buf + pos, bufsz - pos,
1579                          "burst_count:\t\t\t%u\t\t\t%u\n",
1580                          le32_to_cpu(dbg->burst_count),
1581                          accum_dbg->burst_count);
1582         pos += scnprintf(buf + pos, bufsz - pos,
1583                          "sleep_time:\t\t\t%u\t\t\t%u\n",
1584                          le32_to_cpu(general->sleep_time),
1585                          accum_general->sleep_time);
1586         pos += scnprintf(buf + pos, bufsz - pos,
1587                          "slots_out:\t\t\t%u\t\t\t%u\n",
1588                          le32_to_cpu(general->slots_out),
1589                          accum_general->slots_out);
1590         pos += scnprintf(buf + pos, bufsz - pos,
1591                          "slots_idle:\t\t\t%u\t\t\t%u\n",
1592                          le32_to_cpu(general->slots_idle),
1593                          accum_general->slots_idle);
1594         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1595                          le32_to_cpu(general->ttl_timestamp));
1596         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
1597                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
1598         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
1599                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
1600         pos += scnprintf(buf + pos, bufsz - pos,
1601                          "exec_time:\t\t\t%u\t\t\t%u\n",
1602                          le32_to_cpu(div->exec_time), accum_div->exec_time);
1603         pos += scnprintf(buf + pos, bufsz - pos,
1604                          "probe_time:\t\t\t%u\t\t\t%u\n",
1605                          le32_to_cpu(div->probe_time), accum_div->probe_time);
1606         pos += scnprintf(buf + pos, bufsz - pos,
1607                          "rx_enable_counter:\t\t%u\t\t\t%u\n",
1608                          le32_to_cpu(general->rx_enable_counter),
1609                          accum_general->rx_enable_counter);
1610         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1611         kfree(buf);
1612         return ret;
1613 }
1614
1615 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1616                                         char __user *user_buf,
1617                                         size_t count, loff_t *ppos) {
1618
1619         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1620         int pos = 0;
1621         int cnt = 0;
1622         char *buf;
1623         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1624         ssize_t ret;
1625         struct iwl_sensitivity_data *data;
1626
1627         data = &priv->sensitivity_data;
1628         buf = kzalloc(bufsz, GFP_KERNEL);
1629         if (!buf) {
1630                 IWL_ERR(priv, "Can not allocate Buffer\n");
1631                 return -ENOMEM;
1632         }
1633
1634         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1635                         data->auto_corr_ofdm);
1636         pos += scnprintf(buf + pos, bufsz - pos,
1637                         "auto_corr_ofdm_mrc:\t\t %u\n",
1638                         data->auto_corr_ofdm_mrc);
1639         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1640                         data->auto_corr_ofdm_x1);
1641         pos += scnprintf(buf + pos, bufsz - pos,
1642                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1643                         data->auto_corr_ofdm_mrc_x1);
1644         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1645                         data->auto_corr_cck);
1646         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1647                         data->auto_corr_cck_mrc);
1648         pos += scnprintf(buf + pos, bufsz - pos,
1649                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1650                         data->last_bad_plcp_cnt_ofdm);
1651         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1652                         data->last_fa_cnt_ofdm);
1653         pos += scnprintf(buf + pos, bufsz - pos,
1654                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1655                         data->last_bad_plcp_cnt_cck);
1656         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1657                         data->last_fa_cnt_cck);
1658         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1659                         data->nrg_curr_state);
1660         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1661                         data->nrg_prev_state);
1662         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1663         for (cnt = 0; cnt < 10; cnt++) {
1664                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1665                                 data->nrg_value[cnt]);
1666         }
1667         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1668         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1669         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1670                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1671                                 data->nrg_silence_rssi[cnt]);
1672         }
1673         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1674         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1675                         data->nrg_silence_ref);
1676         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1677                         data->nrg_energy_idx);
1678         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1679                         data->nrg_silence_idx);
1680         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1681                         data->nrg_th_cck);
1682         pos += scnprintf(buf + pos, bufsz - pos,
1683                         "nrg_auto_corr_silence_diff:\t %u\n",
1684                         data->nrg_auto_corr_silence_diff);
1685         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1686                         data->num_in_cck_no_fa);
1687         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1688                         data->nrg_th_ofdm);
1689
1690         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1691         kfree(buf);
1692         return ret;
1693 }
1694
1695
1696 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1697                                         char __user *user_buf,
1698                                         size_t count, loff_t *ppos) {
1699
1700         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1701         int pos = 0;
1702         int cnt = 0;
1703         char *buf;
1704         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1705         ssize_t ret;
1706         struct iwl_chain_noise_data *data;
1707
1708         data = &priv->chain_noise_data;
1709         buf = kzalloc(bufsz, GFP_KERNEL);
1710         if (!buf) {
1711                 IWL_ERR(priv, "Can not allocate Buffer\n");
1712                 return -ENOMEM;
1713         }
1714
1715         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1716                         data->active_chains);
1717         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1718                         data->chain_noise_a);
1719         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1720                         data->chain_noise_b);
1721         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1722                         data->chain_noise_c);
1723         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1724                         data->chain_signal_a);
1725         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1726                         data->chain_signal_b);
1727         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1728                         data->chain_signal_c);
1729         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1730                         data->beacon_count);
1731
1732         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1733         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1734                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1735                                 data->disconn_array[cnt]);
1736         }
1737         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1738         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1739         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1740                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1741                                 data->delta_gain_code[cnt]);
1742         }
1743         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1744         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1745                         data->radio_write);
1746         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1747                         data->state);
1748
1749         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1750         kfree(buf);
1751         return ret;
1752 }
1753
1754 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1755                                         char __user *user_buf,
1756                                         size_t count, loff_t *ppos) {
1757
1758         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1759         char buf[128];
1760         int pos = 0;
1761         ssize_t ret;
1762         const size_t bufsz = sizeof(buf);
1763         struct statistics_tx *tx;
1764
1765         if (!iwl_is_alive(priv))
1766                 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1767         else {
1768                 /* make request to uCode to retrieve statistics information */
1769                 mutex_lock(&priv->mutex);
1770                 ret = iwl_send_statistics_request(priv, 0);
1771                 mutex_unlock(&priv->mutex);
1772
1773                 if (ret) {
1774                         IWL_ERR(priv, "Error sending statistics request: %zd\n",
1775                                 ret);
1776                         return -EAGAIN;
1777                 }
1778                 tx = &priv->statistics.tx;
1779                 if (tx->tx_power.ant_a ||
1780                     tx->tx_power.ant_b ||
1781                     tx->tx_power.ant_c) {
1782                         pos += scnprintf(buf + pos, bufsz - pos,
1783                                 "tx power: (1/2 dB step)\n");
1784                         if ((priv->cfg->valid_tx_ant & ANT_A) &&
1785                             tx->tx_power.ant_a)
1786                                 pos += scnprintf(buf + pos, bufsz - pos,
1787                                                 "\tantenna A: 0x%X\n",
1788                                                 tx->tx_power.ant_a);
1789                         if ((priv->cfg->valid_tx_ant & ANT_B) &&
1790                             tx->tx_power.ant_b)
1791                                 pos += scnprintf(buf + pos, bufsz - pos,
1792                                                 "\tantenna B: 0x%X\n",
1793                                                 tx->tx_power.ant_b);
1794                         if ((priv->cfg->valid_tx_ant & ANT_C) &&
1795                             tx->tx_power.ant_c)
1796                                 pos += scnprintf(buf + pos, bufsz - pos,
1797                                                 "\tantenna C: 0x%X\n",
1798                                                 tx->tx_power.ant_c);
1799                 } else
1800                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1801         }
1802         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1803 }
1804
1805 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1806 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1807 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1808 DEBUGFS_READ_FILE_OPS(rx_queue);
1809 DEBUGFS_READ_FILE_OPS(tx_queue);
1810 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1811 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1812 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1813 DEBUGFS_READ_FILE_OPS(sensitivity);
1814 DEBUGFS_READ_FILE_OPS(chain_noise);
1815 DEBUGFS_READ_FILE_OPS(tx_power);
1816
1817 /*
1818  * Create the debugfs files and directories
1819  *
1820  */
1821 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1822 {
1823         struct iwl_debugfs *dbgfs;
1824         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1825         int ret = 0;
1826
1827         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1828         if (!dbgfs) {
1829                 ret = -ENOMEM;
1830                 goto err;
1831         }
1832
1833         priv->dbgfs = dbgfs;
1834         dbgfs->name = name;
1835         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1836         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1837                 ret = -ENOENT;
1838                 goto err;
1839         }
1840
1841         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1842         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1843         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1844         DEBUGFS_ADD_FILE(nvm, data);
1845         DEBUGFS_ADD_FILE(sram, data);
1846         DEBUGFS_ADD_FILE(log_event, data);
1847         DEBUGFS_ADD_FILE(stations, data);
1848         DEBUGFS_ADD_FILE(channels, data);
1849         DEBUGFS_ADD_FILE(status, data);
1850         DEBUGFS_ADD_FILE(interrupt, data);
1851         DEBUGFS_ADD_FILE(qos, data);
1852         DEBUGFS_ADD_FILE(led, data);
1853         DEBUGFS_ADD_FILE(sleep_level_override, data);
1854         DEBUGFS_ADD_FILE(current_sleep_command, data);
1855         DEBUGFS_ADD_FILE(thermal_throttling, data);
1856         DEBUGFS_ADD_FILE(disable_ht40, data);
1857         DEBUGFS_ADD_FILE(rx_statistics, debug);
1858         DEBUGFS_ADD_FILE(tx_statistics, debug);
1859         DEBUGFS_ADD_FILE(traffic_log, debug);
1860         DEBUGFS_ADD_FILE(rx_queue, debug);
1861         DEBUGFS_ADD_FILE(tx_queue, debug);
1862         DEBUGFS_ADD_FILE(tx_power, debug);
1863         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1864                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1865                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1866                 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1867                 DEBUGFS_ADD_FILE(sensitivity, debug);
1868                 DEBUGFS_ADD_FILE(chain_noise, debug);
1869         }
1870         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1871         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1872                          &priv->disable_chain_noise_cal);
1873         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1874             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1875                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1876                                 &priv->disable_tx_power_cal);
1877         return 0;
1878
1879 err:
1880         IWL_ERR(priv, "Can't open the debugfs directory\n");
1881         iwl_dbgfs_unregister(priv);
1882         return ret;
1883 }
1884 EXPORT_SYMBOL(iwl_dbgfs_register);
1885
1886 /**
1887  * Remove the debugfs files and directories
1888  *
1889  */
1890 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1891 {
1892         if (!priv->dbgfs)
1893                 return;
1894
1895         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1896         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1897         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1898         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1899         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1900         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1901         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1902         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1903         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1904         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1905         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1906         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1907         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1908         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1909         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1910         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1911         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1912         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1913         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1914         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1915         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1916                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1917                         file_ucode_rx_stats);
1918                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1919                         file_ucode_tx_stats);
1920                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1921                         file_ucode_general_stats);
1922                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1923                         file_sensitivity);
1924                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1925                         file_chain_noise);
1926         }
1927         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1928         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1929         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1930         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1931             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1932                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1933         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1934         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1935         kfree(priv->dbgfs);
1936         priv->dbgfs = NULL;
1937 }
1938 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1939
1940
1941