SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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
  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         size_t eeprom_len = priv->cfg->eeprom_size;
 387         buf_size = 4 * eeprom_len + 256;
 388
 389         if (eeprom_len % 16) {
 390                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 391                 return -ENODATA;
 392         }
 393
 394         ptr = priv->eeprom;
 395         if (!ptr) {
 396                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 397                 return -ENOMEM;
 398         }
 399
 400         /* 4 characters for byte 0xYY */
 401         buf = kzalloc(buf_size, GFP_KERNEL);
 402         if (!buf) {
 403                 IWL_ERR(priv, "Can not allocate Buffer\n");
 404                 return -ENOMEM;
 405         }
 406         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
 407                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 408                         ? "OTP" : "EEPROM");
 409         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 410                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 411                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 412                                    buf_size - pos, 0);
 413                 pos += strlen(buf);
 414                 if (buf_size - pos > 0)
 415                         buf[pos++] = '\n';
 416         }
 417
 418         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 419         kfree(buf);
 420         return ret;
 421 }
 422
 423 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
 424                                         const char __user *user_buf,
 425                                         size_t count, loff_t *ppos)
 426 {
 427         struct iwl_priv *priv = file->private_data;
 428         u32 event_log_flag;
 429         char buf[8];
 430         int buf_size;
 431
 432         memset(buf, 0, sizeof(buf));
 433         buf_size = min(count, sizeof(buf) -  1);
 434         if (copy_from_user(buf, user_buf, buf_size))
 435                 return -EFAULT;
 436         if (sscanf(buf, "%d", &event_log_flag) != 1)
 437                 return -EFAULT;
 438         if (event_log_flag == 1)
 439                 iwl_dump_nic_event_log(priv);
 440
 441         return count;
 442 }
 443
 444
 445
 446 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 447                                        size_t count, loff_t *ppos)
 448 {
 449         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 450         struct ieee80211_channel *channels = NULL;
 451         const struct ieee80211_supported_band *supp_band = NULL;
 452         int pos = 0, i, bufsz = PAGE_SIZE;
 453         char *buf;
 454         ssize_t ret;
 455
 456         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 457                 return -EAGAIN;
 458
 459         buf = kzalloc(bufsz, GFP_KERNEL);
 460         if (!buf) {
 461                 IWL_ERR(priv, "Can not allocate Buffer\n");
 462                 return -ENOMEM;
 463         }
 464
 465         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 466         if (supp_band) {
 467                 channels = supp_band->channels;
 468
 469                 pos += scnprintf(buf + pos, bufsz - pos,
 470                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 471                                 supp_band->n_channels);
 472
 473                 for (i = 0; i < supp_band->n_channels; i++)
 474                         pos += scnprintf(buf + pos, bufsz - pos,
 475                                         "%d: %ddBm: BSS%s%s, %s.\n",
 476                                         ieee80211_frequency_to_channel(
 477                                         channels[i].center_freq),
 478                                         channels[i].max_power,
 479                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 480                                         " (IEEE 802.11h required)" : "",
 481                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 482                                         || (channels[i].flags &
 483                                         IEEE80211_CHAN_RADAR)) ? "" :
 484                                         ", IBSS",
 485                                         channels[i].flags &
 486                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 487                                         "passive only" : "active/passive");
 488         }
 489         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 490         if (supp_band) {
 491                 channels = supp_band->channels;
 492
 493                 pos += scnprintf(buf + pos, bufsz - pos,
 494                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 495                                 supp_band->n_channels);
 496
 497                 for (i = 0; i < supp_band->n_channels; i++)
 498                         pos += scnprintf(buf + pos, bufsz - pos,
 499                                         "%d: %ddBm: BSS%s%s, %s.\n",
 500                                         ieee80211_frequency_to_channel(
 501                                         channels[i].center_freq),
 502                                         channels[i].max_power,
 503                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 504                                         " (IEEE 802.11h required)" : "",
 505                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 506                                         || (channels[i].flags &
 507                                         IEEE80211_CHAN_RADAR)) ? "" :
 508                                         ", IBSS",
 509                                         channels[i].flags &
 510                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 511                                         "passive only" : "active/passive");
 512         }
 513         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 514         kfree(buf);
 515         return ret;
 516 }
 517
 518 static ssize_t iwl_dbgfs_status_read(struct file *file,
 519                                                 char __user *user_buf,
 520                                                 size_t count, loff_t *ppos) {
 521
 522         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 523         char buf[512];
 524         int pos = 0;
 525         const size_t bufsz = sizeof(buf);
 526
 527         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 528                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
 529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
 530                 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
 531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 532                 test_bit(STATUS_INT_ENABLED, &priv->status));
 533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 534                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 536                 test_bit(STATUS_INIT, &priv->status));
 537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 538                 test_bit(STATUS_ALIVE, &priv->status));
 539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 540                 test_bit(STATUS_READY, &priv->status));
 541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 542                 test_bit(STATUS_TEMPERATURE, &priv->status));
 543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 544                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 546                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 548                 test_bit(STATUS_STATISTICS, &priv->status));
 549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 550                 test_bit(STATUS_SCANNING, &priv->status));
 551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 552                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 553         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 554                 test_bit(STATUS_SCAN_HW, &priv->status));
 555         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 556                 test_bit(STATUS_POWER_PMI, &priv->status));
 557         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 558                 test_bit(STATUS_FW_ERROR, &priv->status));
 559         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
 560                 test_bit(STATUS_MODE_PENDING, &priv->status));
 561         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 562 }
 563
 564 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 565                                         char __user *user_buf,
 566                                         size_t count, loff_t *ppos) {
 567
 568         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 569         int pos = 0;
 570         int cnt = 0;
 571         char *buf;
 572         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 573         ssize_t ret;
 574
 575         buf = kzalloc(bufsz, GFP_KERNEL);
 576         if (!buf) {
 577                 IWL_ERR(priv, "Can not allocate Buffer\n");
 578                 return -ENOMEM;
 579         }
 580
 581         pos += scnprintf(buf + pos, bufsz - pos,
 582                         "Interrupt Statistics Report:\n");
 583
 584         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
 585                 priv->isr_stats.hw);
 586         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
 587                 priv->isr_stats.sw);
 588         if (priv->isr_stats.sw > 0) {
 589                 pos += scnprintf(buf + pos, bufsz - pos,
 590                         "\tLast Restarting Code:  0x%X\n",
 591                         priv->isr_stats.sw_err);
 592         }
 593 #ifdef CONFIG_IWLWIFI_DEBUG
 594         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
 595                 priv->isr_stats.sch);
 596         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
 597                 priv->isr_stats.alive);
 598 #endif
 599         pos += scnprintf(buf + pos, bufsz - pos,
 600                 "HW RF KILL switch toggled:\t %u\n",
 601                 priv->isr_stats.rfkill);
 602
 603         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
 604                 priv->isr_stats.ctkill);
 605
 606         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
 607                 priv->isr_stats.wakeup);
 608
 609         pos += scnprintf(buf + pos, bufsz - pos,
 610                 "Rx command responses:\t\t %u\n",
 611                 priv->isr_stats.rx);
 612         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 613                 if (priv->isr_stats.rx_handlers[cnt] > 0)
 614                         pos += scnprintf(buf + pos, bufsz - pos,
 615                                 "\tRx handler[%36s]:\t\t %u\n",
 616                                 get_cmd_string(cnt),
 617                                 priv->isr_stats.rx_handlers[cnt]);
 618         }
 619
 620         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
 621                 priv->isr_stats.tx);
 622
 623         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
 624                 priv->isr_stats.unhandled);
 625
 626         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 627         kfree(buf);
 628         return ret;
 629 }
 630
 631 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 632                                          const char __user *user_buf,
 633                                          size_t count, loff_t *ppos)
 634 {
 635         struct iwl_priv *priv = file->private_data;
 636         char buf[8];
 637         int buf_size;
 638         u32 reset_flag;
 639
 640         memset(buf, 0, sizeof(buf));
 641         buf_size = min(count, sizeof(buf) -  1);
 642         if (copy_from_user(buf, user_buf, buf_size))
 643                 return -EFAULT;
 644         if (sscanf(buf, "%x", &reset_flag) != 1)
 645                 return -EFAULT;
 646         if (reset_flag == 0)
 647                 iwl_clear_isr_stats(priv);
 648
 649         return count;
 650 }
 651
 652 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 653                                        size_t count, loff_t *ppos)
 654 {
 655         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 656         int pos = 0, i;
 657         char buf[256];
 658         const size_t bufsz = sizeof(buf);
 659         ssize_t ret;
 660
 661         for (i = 0; i < AC_NUM; i++) {
 662                 pos += scnprintf(buf + pos, bufsz - pos,
 663                         "\tcw_min\tcw_max\taifsn\ttxop\n");
 664                 pos += scnprintf(buf + pos, bufsz - pos,
 665                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 666                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
 667                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
 668                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
 669                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
 670         }
 671         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 672         return ret;
 673 }
 674
 675 #ifdef CONFIG_IWLWIFI_LEDS
 676 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 677                                   size_t count, loff_t *ppos)
 678 {
 679         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 680         int pos = 0;
 681         char buf[256];
 682         const size_t bufsz = sizeof(buf);
 683         ssize_t ret;
 684
 685         pos += scnprintf(buf + pos, bufsz - pos,
 686                          "allow blinking: %s\n",
 687                          (priv->allow_blinking) ? "True" : "False");
 688         if (priv->allow_blinking) {
 689                 pos += scnprintf(buf + pos, bufsz - pos,
 690                                  "Led blinking rate: %u\n",
 691                                  priv->last_blink_rate);
 692                 pos += scnprintf(buf + pos, bufsz - pos,
 693                                  "Last blink time: %lu\n",
 694                                  priv->last_blink_time);
 695         }
 696
 697         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 698         return ret;
 699 }
 700 #endif
 701
 702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 703                                 char __user *user_buf,
 704                                 size_t count, loff_t *ppos)
 705 {
 706         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 707         struct iwl_tt_mgmt *tt = &priv->power_data.tt;
 708         struct iwl_tt_restriction *restriction;
 709         char buf[100];
 710         int pos = 0;
 711         const size_t bufsz = sizeof(buf);
 712         ssize_t ret;
 713
 714         pos += scnprintf(buf + pos, bufsz - pos,
 715                         "Thermal Throttling Mode: %s\n",
 716                         (priv->power_data.adv_tt)
 717                         ? "Advance" : "Legacy");
 718         pos += scnprintf(buf + pos, bufsz - pos,
 719                         "Thermal Throttling State: %d\n",
 720                         tt->state);
 721         if (priv->power_data.adv_tt) {
 722                 restriction = tt->restriction + tt->state;
 723                 pos += scnprintf(buf + pos, bufsz - pos,
 724                                 "Tx mode: %d\n",
 725                                 restriction->tx_stream);
 726                 pos += scnprintf(buf + pos, bufsz - pos,
 727                                 "Rx mode: %d\n",
 728                                 restriction->rx_stream);
 729                 pos += scnprintf(buf + pos, bufsz - pos,
 730                                 "HT mode: %d\n",
 731                                 restriction->is_ht);
 732         }
 733         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 734         return ret;
 735 }
 736
 737 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 738                                          const char __user *user_buf,
 739                                          size_t count, loff_t *ppos)
 740 {
 741         struct iwl_priv *priv = file->private_data;
 742         char buf[8];
 743         int buf_size;
 744         int ht40;
 745
 746         memset(buf, 0, sizeof(buf));
 747         buf_size = min(count, sizeof(buf) -  1);
 748         if (copy_from_user(buf, user_buf, buf_size))
 749                 return -EFAULT;
 750         if (sscanf(buf, "%d", &ht40) != 1)
 751                 return -EFAULT;
 752         if (!iwl_is_associated(priv))
 753                 priv->disable_ht40 = ht40 ? true : false;
 754         else {
 755                 IWL_ERR(priv, "Sta associated with AP - "
 756                         "Change to 40MHz channel support is not allowed\n");
 757                 return -EINVAL;
 758         }
 759
 760         return count;
 761 }
 762
 763 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 764                                          char __user *user_buf,
 765                                          size_t count, loff_t *ppos)
 766 {
 767         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 768         char buf[100];
 769         int pos = 0;
 770         const size_t bufsz = sizeof(buf);
 771         ssize_t ret;
 772
 773         pos += scnprintf(buf + pos, bufsz - pos,
 774                         "11n 40MHz Mode: %s\n",
 775                         priv->disable_ht40 ? "Disabled" : "Enabled");
 776         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 777         return ret;
 778 }
 779
 780 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 781 DEBUGFS_WRITE_FILE_OPS(log_event);
 782 DEBUGFS_READ_FILE_OPS(nvm);
 783 DEBUGFS_READ_FILE_OPS(stations);
 784 DEBUGFS_READ_FILE_OPS(channels);
 785 DEBUGFS_READ_FILE_OPS(status);
 786 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 787 DEBUGFS_READ_FILE_OPS(qos);
 788 #ifdef CONFIG_IWLWIFI_LEDS
 789 DEBUGFS_READ_FILE_OPS(led);
 790 #endif
 791 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 792 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 793
 794 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 795                                          char __user *user_buf,
 796                                          size_t count, loff_t *ppos)
 797 {
 798         struct iwl_priv *priv = file->private_data;
 799         int pos = 0, ofs = 0;
 800         int cnt = 0, entry;
 801         struct iwl_tx_queue *txq;
 802         struct iwl_queue *q;
 803         struct iwl_rx_queue *rxq = &priv->rxq;
 804         char *buf;
 805         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 806                 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
 807         const u8 *ptr;
 808         ssize_t ret;
 809
 810         buf = kzalloc(bufsz, GFP_KERNEL);
 811         if (!buf) {
 812                 IWL_ERR(priv, "Can not allocate buffer\n");
 813                 return -ENOMEM;
 814         }
 815         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 816         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 817                 txq = &priv->txq[cnt];
 818                 q = &txq->q;
 819                 pos += scnprintf(buf + pos, bufsz - pos,
 820                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 821                                 cnt, q->read_ptr, q->write_ptr);
 822         }
 823         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 824                 ptr = priv->tx_traffic;
 825                 pos += scnprintf(buf + pos, bufsz - pos,
 826                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 827                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 828                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 829                              entry++,  ofs += 16) {
 830                                 pos += scnprintf(buf + pos, bufsz - pos,
 831                                                 "0x%.4x ", ofs);
 832                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 833                                                    buf + pos, bufsz - pos, 0);
 834                                 pos += strlen(buf);
 835                                 if (bufsz - pos > 0)
 836                                         buf[pos++] = '\n';
 837                         }
 838                 }
 839         }
 840
 841         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 842         pos += scnprintf(buf + pos, bufsz - pos,
 843                         "read: %u, write: %u\n",
 844                          rxq->read, rxq->write);
 845
 846         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 847                 ptr = priv->rx_traffic;
 848                 pos += scnprintf(buf + pos, bufsz - pos,
 849                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 850                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 851                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 852                              entry++,  ofs += 16) {
 853                                 pos += scnprintf(buf + pos, bufsz - pos,
 854                                                 "0x%.4x ", ofs);
 855                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 856                                                    buf + pos, bufsz - pos, 0);
 857                                 pos += strlen(buf);
 858                                 if (bufsz - pos > 0)
 859                                         buf[pos++] = '\n';
 860                         }
 861                 }
 862         }
 863
 864         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 865         kfree(buf);
 866         return ret;
 867 }
 868
 869 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 870                                          const char __user *user_buf,
 871                                          size_t count, loff_t *ppos)
 872 {
 873         struct iwl_priv *priv = file->private_data;
 874         char buf[8];
 875         int buf_size;
 876         int traffic_log;
 877
 878         memset(buf, 0, sizeof(buf));
 879         buf_size = min(count, sizeof(buf) -  1);
 880         if (copy_from_user(buf, user_buf, buf_size))
 881                 return -EFAULT;
 882         if (sscanf(buf, "%d", &traffic_log) != 1)
 883                 return -EFAULT;
 884         if (traffic_log == 0)
 885                 iwl_reset_traffic_log(priv);
 886
 887         return count;
 888 }
 889
 890 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 891                                                 char __user *user_buf,
 892                                                 size_t count, loff_t *ppos) {
 893
 894         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 895         struct iwl_tx_queue *txq;
 896         struct iwl_queue *q;
 897         char *buf;
 898         int pos = 0;
 899         int cnt;
 900         int ret;
 901         const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
 902
 903         buf = kzalloc(bufsz, GFP_KERNEL);
 904         if (!buf)
 905                 return -ENOMEM;
 906
 907         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 908                 txq = &priv->txq[cnt];
 909                 q = &txq->q;
 910                 pos += scnprintf(buf + pos, bufsz - pos,
 911                                 "hwq %.2d: read=%u write=%u stop=%d"
 912                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
 913                                 cnt, q->read_ptr, q->write_ptr,
 914                                 !!test_bit(cnt, priv->queue_stopped),
 915                                 txq->swq_id,
 916                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
 917                                 txq->swq_id,
 918                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
 919                                 0x1f : txq->swq_id);
 920                 if (cnt >= 4)
 921                         continue;
 922                 /* for the ACs, display the stop count too */
 923                 pos += scnprintf(buf + pos, bufsz - pos,
 924                                 "        stop-count: %d\n",
 925                                 atomic_read(&priv->queue_stop_count[cnt]));
 926         }
 927         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 928         kfree(buf);
 929         return ret;
 930 }
 931
 932 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
 933                                                 char __user *user_buf,
 934                                                 size_t count, loff_t *ppos) {
 935
 936         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 937         struct iwl_rx_queue *rxq = &priv->rxq;
 938         char buf[256];
 939         int pos = 0;
 940         const size_t bufsz = sizeof(buf);
 941
 942         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
 943                                                 rxq->read);
 944         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
 945                                                 rxq->write);
 946         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
 947                                                 rxq->free_count);
 948         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
 949                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
 950         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 951 }
 952
 953 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
 954 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
 955 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
 956 DEBUGFS_READ_FILE_OPS(rx_queue);
 957 DEBUGFS_READ_FILE_OPS(tx_queue);
 958
 959 /*
 960  * Create the debugfs files and directories
 961  *
 962  */
 963 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 964 {
 965         struct iwl_debugfs *dbgfs;
 966         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
 967         int ret = 0;
 968
 969         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
 970         if (!dbgfs) {
 971                 ret = -ENOMEM;
 972                 goto err;
 973         }
 974
 975         priv->dbgfs = dbgfs;
 976         dbgfs->name = name;
 977         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
 978         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
 979                 ret = -ENOENT;
 980                 goto err;
 981         }
 982
 983         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
 984         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
 985         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
 986         DEBUGFS_ADD_FILE(nvm, data);
 987         DEBUGFS_ADD_FILE(sram, data);
 988         DEBUGFS_ADD_FILE(log_event, data);
 989         DEBUGFS_ADD_FILE(stations, data);
 990         DEBUGFS_ADD_FILE(channels, data);
 991         DEBUGFS_ADD_FILE(status, data);
 992         DEBUGFS_ADD_FILE(interrupt, data);
 993         DEBUGFS_ADD_FILE(qos, data);
 994 #ifdef CONFIG_IWLWIFI_LEDS
 995         DEBUGFS_ADD_FILE(led, data);
 996 #endif
 997         DEBUGFS_ADD_FILE(thermal_throttling, data);
 998         DEBUGFS_ADD_FILE(disable_ht40, data);
 999         DEBUGFS_ADD_FILE(rx_statistics, debug);
1000         DEBUGFS_ADD_FILE(tx_statistics, debug);
1001         DEBUGFS_ADD_FILE(traffic_log, debug);
1002         DEBUGFS_ADD_FILE(rx_queue, debug);
1003         DEBUGFS_ADD_FILE(tx_queue, debug);
1004         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1005         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1006                          &priv->disable_chain_noise_cal);
1007         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1008             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1009                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1010                                 &priv->disable_tx_power_cal);
1011         return 0;
1012
1013 err:
1014         IWL_ERR(priv, "Can't open the debugfs directory\n");
1015         iwl_dbgfs_unregister(priv);
1016         return ret;
1017 }
1018 EXPORT_SYMBOL(iwl_dbgfs_register);
1019
1020 /**
1021  * Remove the debugfs files and directories
1022  *
1023  */
1024 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1025 {
1026         if (!priv->dbgfs)
1027                 return;
1028
1029         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1030         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1031         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1032         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1033         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1034         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1035         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1036         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1037 #ifdef CONFIG_IWLWIFI_LEDS
1038         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1039 #endif
1040         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1041         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1042         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1043         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1044         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1045         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1046         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1047         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1048         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1049         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1050         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1051         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1052             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1053                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1054         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1055         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1056         kfree(priv->dbgfs);
1057         priv->dbgfs = NULL;
1058 }
1059 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1060
1061
1062