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         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->thermal_throttle;
 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                         tt->advanced_tt ? "Advance" : "Legacy");
 717         pos += scnprintf(buf + pos, bufsz - pos,
 718                         "Thermal Throttling State: %d\n",
 719                         tt->state);
 720         if (tt->advanced_tt) {
 721                 restriction = tt->restriction + tt->state;
 722                 pos += scnprintf(buf + pos, bufsz - pos,
 723                                 "Tx mode: %d\n",
 724                                 restriction->tx_stream);
 725                 pos += scnprintf(buf + pos, bufsz - pos,
 726                                 "Rx mode: %d\n",
 727                                 restriction->rx_stream);
 728                 pos += scnprintf(buf + pos, bufsz - pos,
 729                                 "HT mode: %d\n",
 730                                 restriction->is_ht);
 731         }
 732         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 733         return ret;
 734 }
 735
 736 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 737                                          const char __user *user_buf,
 738                                          size_t count, loff_t *ppos)
 739 {
 740         struct iwl_priv *priv = file->private_data;
 741         char buf[8];
 742         int buf_size;
 743         int ht40;
 744
 745         memset(buf, 0, sizeof(buf));
 746         buf_size = min(count, sizeof(buf) -  1);
 747         if (copy_from_user(buf, user_buf, buf_size))
 748                 return -EFAULT;
 749         if (sscanf(buf, "%d", &ht40) != 1)
 750                 return -EFAULT;
 751         if (!iwl_is_associated(priv))
 752                 priv->disable_ht40 = ht40 ? true : false;
 753         else {
 754                 IWL_ERR(priv, "Sta associated with AP - "
 755                         "Change to 40MHz channel support is not allowed\n");
 756                 return -EINVAL;
 757         }
 758
 759         return count;
 760 }
 761
 762 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 763                                          char __user *user_buf,
 764                                          size_t count, loff_t *ppos)
 765 {
 766         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 767         char buf[100];
 768         int pos = 0;
 769         const size_t bufsz = sizeof(buf);
 770         ssize_t ret;
 771
 772         pos += scnprintf(buf + pos, bufsz - pos,
 773                         "11n 40MHz Mode: %s\n",
 774                         priv->disable_ht40 ? "Disabled" : "Enabled");
 775         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 776         return ret;
 777 }
 778
 779 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 780 DEBUGFS_WRITE_FILE_OPS(log_event);
 781 DEBUGFS_READ_FILE_OPS(nvm);
 782 DEBUGFS_READ_FILE_OPS(stations);
 783 DEBUGFS_READ_FILE_OPS(channels);
 784 DEBUGFS_READ_FILE_OPS(status);
 785 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 786 DEBUGFS_READ_FILE_OPS(qos);
 787 #ifdef CONFIG_IWLWIFI_LEDS
 788 DEBUGFS_READ_FILE_OPS(led);
 789 #endif
 790 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 791 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 792
 793 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 794                                          char __user *user_buf,
 795                                          size_t count, loff_t *ppos)
 796 {
 797         struct iwl_priv *priv = file->private_data;
 798         int pos = 0, ofs = 0;
 799         int cnt = 0, entry;
 800         struct iwl_tx_queue *txq;
 801         struct iwl_queue *q;
 802         struct iwl_rx_queue *rxq = &priv->rxq;
 803         char *buf;
 804         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 805                 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
 806         const u8 *ptr;
 807         ssize_t ret;
 808
 809         buf = kzalloc(bufsz, GFP_KERNEL);
 810         if (!buf) {
 811                 IWL_ERR(priv, "Can not allocate buffer\n");
 812                 return -ENOMEM;
 813         }
 814         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 815         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 816                 txq = &priv->txq[cnt];
 817                 q = &txq->q;
 818                 pos += scnprintf(buf + pos, bufsz - pos,
 819                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 820                                 cnt, q->read_ptr, q->write_ptr);
 821         }
 822         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 823                 ptr = priv->tx_traffic;
 824                 pos += scnprintf(buf + pos, bufsz - pos,
 825                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 826                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 827                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 828                              entry++,  ofs += 16) {
 829                                 pos += scnprintf(buf + pos, bufsz - pos,
 830                                                 "0x%.4x ", ofs);
 831                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 832                                                    buf + pos, bufsz - pos, 0);
 833                                 pos += strlen(buf);
 834                                 if (bufsz - pos > 0)
 835                                         buf[pos++] = '\n';
 836                         }
 837                 }
 838         }
 839
 840         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 841         pos += scnprintf(buf + pos, bufsz - pos,
 842                         "read: %u, write: %u\n",
 843                          rxq->read, rxq->write);
 844
 845         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 846                 ptr = priv->rx_traffic;
 847                 pos += scnprintf(buf + pos, bufsz - pos,
 848                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 849                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 850                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 851                              entry++,  ofs += 16) {
 852                                 pos += scnprintf(buf + pos, bufsz - pos,
 853                                                 "0x%.4x ", ofs);
 854                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 855                                                    buf + pos, bufsz - pos, 0);
 856                                 pos += strlen(buf);
 857                                 if (bufsz - pos > 0)
 858                                         buf[pos++] = '\n';
 859                         }
 860                 }
 861         }
 862
 863         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 864         kfree(buf);
 865         return ret;
 866 }
 867
 868 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 869                                          const char __user *user_buf,
 870                                          size_t count, loff_t *ppos)
 871 {
 872         struct iwl_priv *priv = file->private_data;
 873         char buf[8];
 874         int buf_size;
 875         int traffic_log;
 876
 877         memset(buf, 0, sizeof(buf));
 878         buf_size = min(count, sizeof(buf) -  1);
 879         if (copy_from_user(buf, user_buf, buf_size))
 880                 return -EFAULT;
 881         if (sscanf(buf, "%d", &traffic_log) != 1)
 882                 return -EFAULT;
 883         if (traffic_log == 0)
 884                 iwl_reset_traffic_log(priv);
 885
 886         return count;
 887 }
 888
 889 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 890                                                 char __user *user_buf,
 891                                                 size_t count, loff_t *ppos) {
 892
 893         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 894         struct iwl_tx_queue *txq;
 895         struct iwl_queue *q;
 896         char *buf;
 897         int pos = 0;
 898         int cnt;
 899         int ret;
 900         const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
 901
 902         buf = kzalloc(bufsz, GFP_KERNEL);
 903         if (!buf)
 904                 return -ENOMEM;
 905
 906         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 907                 txq = &priv->txq[cnt];
 908                 q = &txq->q;
 909                 pos += scnprintf(buf + pos, bufsz - pos,
 910                                 "hwq %.2d: read=%u write=%u stop=%d"
 911                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
 912                                 cnt, q->read_ptr, q->write_ptr,
 913                                 !!test_bit(cnt, priv->queue_stopped),
 914                                 txq->swq_id,
 915                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
 916                                 txq->swq_id,
 917                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
 918                                 0x1f : txq->swq_id);
 919                 if (cnt >= 4)
 920                         continue;
 921                 /* for the ACs, display the stop count too */
 922                 pos += scnprintf(buf + pos, bufsz - pos,
 923                                 "        stop-count: %d\n",
 924                                 atomic_read(&priv->queue_stop_count[cnt]));
 925         }
 926         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 927         kfree(buf);
 928         return ret;
 929 }
 930
 931 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
 932                                                 char __user *user_buf,
 933                                                 size_t count, loff_t *ppos) {
 934
 935         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 936         struct iwl_rx_queue *rxq = &priv->rxq;
 937         char buf[256];
 938         int pos = 0;
 939         const size_t bufsz = sizeof(buf);
 940
 941         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
 942                                                 rxq->read);
 943         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
 944                                                 rxq->write);
 945         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
 946                                                 rxq->free_count);
 947         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
 948                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
 949         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 950 }
 951
 952 #define UCODE_STATISTICS_CLEAR_MSK              (0x1 << 0)
 953 #define UCODE_STATISTICS_FREQUENCY_MSK          (0x1 << 1)
 954 #define UCODE_STATISTICS_NARROW_BAND_MSK        (0x1 << 2)
 955
 956 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
 957                                      int bufsz)
 958 {
 959         int p = 0;
 960
 961         p += scnprintf(buf + p, bufsz - p,
 962                 "Statistics Flag(0x%X):\n",
 963                 le32_to_cpu(priv->statistics.flag));
 964         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
 965                 p += scnprintf(buf + p, bufsz - p,
 966                 "\tStatistics have been cleared\n");
 967         p += scnprintf(buf + p, bufsz - p,
 968                 "\tOperational Frequency: %s\n",
 969                 (le32_to_cpu(priv->statistics.flag) &
 970                 UCODE_STATISTICS_FREQUENCY_MSK)
 971                  ? "2.4 GHz" : "5.2 GHz");
 972         p += scnprintf(buf + p, bufsz - p,
 973                 "\tTGj Narrow Band: %s\n",
 974                 (le32_to_cpu(priv->statistics.flag) &
 975                 UCODE_STATISTICS_NARROW_BAND_MSK)
 976                  ? "enabled" : "disabled");
 977         return p;
 978 }
 979
 980
 981 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 982                                         char __user *user_buf,
 983                                         size_t count, loff_t *ppos)
 984 {
 985         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 986         int pos = 0;
 987         char *buf;
 988         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
 989                 sizeof(struct statistics_rx_non_phy) * 20 +
 990                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
 991         ssize_t ret;
 992         struct statistics_rx_phy *ofdm;
 993         struct statistics_rx_phy *cck;
 994         struct statistics_rx_non_phy *general;
 995         struct statistics_rx_ht_phy *ht;
 996
 997         if (!iwl_is_alive(priv))
 998                 return -EAGAIN;
 999
1000         /* make request to uCode to retrieve statistics information */
1001         mutex_lock(&priv->mutex);
1002         ret = iwl_send_statistics_request(priv, 0);
1003         mutex_unlock(&priv->mutex);
1004
1005         if (ret) {
1006                 IWL_ERR(priv,
1007                         "Error sending statistics request: %zd\n", ret);
1008                 return -EAGAIN;
1009         }
1010         buf = kzalloc(bufsz, GFP_KERNEL);
1011         if (!buf) {
1012                 IWL_ERR(priv, "Can not allocate Buffer\n");
1013                 return -ENOMEM;
1014         }
1015
1016         /* the statistic information display here is based on
1017          * the last statistics notification from uCode
1018          * might not reflect the current uCode activity
1019          */
1020         ofdm = &priv->statistics.rx.ofdm;
1021         cck = &priv->statistics.rx.cck;
1022         general = &priv->statistics.rx.general;
1023         ht = &priv->statistics.rx.ofdm_ht;
1024         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1025         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1026         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1027                          le32_to_cpu(ofdm->ina_cnt));
1028         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1029                          le32_to_cpu(ofdm->fina_cnt));
1030         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1031                          le32_to_cpu(ofdm->plcp_err));
1032         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1033                          le32_to_cpu(ofdm->crc32_err));
1034         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1035                          le32_to_cpu(ofdm->overrun_err));
1036         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1037                          le32_to_cpu(ofdm->early_overrun_err));
1038         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1039                          le32_to_cpu(ofdm->crc32_good));
1040         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1041                          le32_to_cpu(ofdm->false_alarm_cnt));
1042         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1043                          le32_to_cpu(ofdm->fina_sync_err_cnt));
1044         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1045                          le32_to_cpu(ofdm->sfd_timeout));
1046         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1047                          le32_to_cpu(ofdm->fina_timeout));
1048         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1049                          le32_to_cpu(ofdm->unresponded_rts));
1050         pos += scnprintf(buf + pos, bufsz - pos,
1051                         "rxe_frame_limit_overrun: %u\n",
1052                         le32_to_cpu(ofdm->rxe_frame_limit_overrun));
1053         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1054                          le32_to_cpu(ofdm->sent_ack_cnt));
1055         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1056                          le32_to_cpu(ofdm->sent_cts_cnt));
1057         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1058                          le32_to_cpu(ofdm->sent_ba_rsp_cnt));
1059         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1060                          le32_to_cpu(ofdm->dsp_self_kill));
1061         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1062                          le32_to_cpu(ofdm->mh_format_err));
1063         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1064                          le32_to_cpu(ofdm->re_acq_main_rssi_sum));
1065
1066         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1067         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1068                          le32_to_cpu(cck->ina_cnt));
1069         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1070                          le32_to_cpu(cck->fina_cnt));
1071         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1072                          le32_to_cpu(cck->plcp_err));
1073         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1074                          le32_to_cpu(cck->crc32_err));
1075         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1076                          le32_to_cpu(cck->overrun_err));
1077         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1078                          le32_to_cpu(cck->early_overrun_err));
1079         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1080                          le32_to_cpu(cck->crc32_good));
1081         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1082                          le32_to_cpu(cck->false_alarm_cnt));
1083         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1084                          le32_to_cpu(cck->fina_sync_err_cnt));
1085         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1086                          le32_to_cpu(cck->sfd_timeout));
1087         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1088                          le32_to_cpu(cck->fina_timeout));
1089         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1090                          le32_to_cpu(cck->unresponded_rts));
1091         pos += scnprintf(buf + pos, bufsz - pos,
1092                         "rxe_frame_limit_overrun: %u\n",
1093                         le32_to_cpu(cck->rxe_frame_limit_overrun));
1094         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1095                          le32_to_cpu(cck->sent_ack_cnt));
1096         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1097                          le32_to_cpu(cck->sent_cts_cnt));
1098         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1099                          le32_to_cpu(cck->sent_ba_rsp_cnt));
1100         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1101                          le32_to_cpu(cck->dsp_self_kill));
1102         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1103                          le32_to_cpu(cck->mh_format_err));
1104         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1105                          le32_to_cpu(cck->re_acq_main_rssi_sum));
1106
1107         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1108         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
1109                          le32_to_cpu(general->bogus_cts));
1110         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
1111                          le32_to_cpu(general->bogus_ack));
1112         pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
1113                          le32_to_cpu(general->non_bssid_frames));
1114         pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
1115                          le32_to_cpu(general->filtered_frames));
1116         pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
1117                          le32_to_cpu(general->non_channel_beacons));
1118         pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
1119                          le32_to_cpu(general->channel_beacons));
1120         pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
1121                          le32_to_cpu(general->num_missed_bcon));
1122         pos += scnprintf(buf + pos, bufsz - pos,
1123                         "adc_rx_saturation_time: %u\n",
1124                         le32_to_cpu(general->adc_rx_saturation_time));
1125         pos += scnprintf(buf + pos, bufsz - pos,
1126                         "ina_detection_search_time: %u\n",
1127                         le32_to_cpu(general->ina_detection_search_time));
1128         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
1129                          le32_to_cpu(general->beacon_silence_rssi_a));
1130         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
1131                          le32_to_cpu(general->beacon_silence_rssi_b));
1132         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
1133                          le32_to_cpu(general->beacon_silence_rssi_c));
1134         pos += scnprintf(buf + pos, bufsz - pos,
1135                         "interference_data_flag: %u\n",
1136                         le32_to_cpu(general->interference_data_flag));
1137         pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
1138                          le32_to_cpu(general->channel_load));
1139         pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
1140                          le32_to_cpu(general->dsp_false_alarms));
1141         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
1142                          le32_to_cpu(general->beacon_rssi_a));
1143         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
1144                          le32_to_cpu(general->beacon_rssi_b));
1145         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
1146                          le32_to_cpu(general->beacon_rssi_c));
1147         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
1148                          le32_to_cpu(general->beacon_energy_a));
1149         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
1150                          le32_to_cpu(general->beacon_energy_b));
1151         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
1152                          le32_to_cpu(general->beacon_energy_c));
1153
1154         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1155         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1156                          le32_to_cpu(ht->plcp_err));
1157         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1158                          le32_to_cpu(ht->overrun_err));
1159         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1160                          le32_to_cpu(ht->early_overrun_err));
1161         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1162                          le32_to_cpu(ht->crc32_good));
1163         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1164                          le32_to_cpu(ht->crc32_err));
1165         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1166                          le32_to_cpu(ht->mh_format_err));
1167         pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
1168                          le32_to_cpu(ht->agg_crc32_good));
1169         pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
1170                          le32_to_cpu(ht->agg_mpdu_cnt));
1171         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
1172                          le32_to_cpu(ht->agg_cnt));
1173
1174         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1175         kfree(buf);
1176         return ret;
1177 }
1178
1179 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1180                                         char __user *user_buf,
1181                                         size_t count, loff_t *ppos)
1182 {
1183         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1184         int pos = 0;
1185         char *buf;
1186         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1187         ssize_t ret;
1188         struct statistics_tx *tx;
1189
1190         if (!iwl_is_alive(priv))
1191                 return -EAGAIN;
1192
1193         /* make request to uCode to retrieve statistics information */
1194         mutex_lock(&priv->mutex);
1195         ret = iwl_send_statistics_request(priv, 0);
1196         mutex_unlock(&priv->mutex);
1197
1198         if (ret) {
1199                 IWL_ERR(priv,
1200                         "Error sending statistics request: %zd\n", ret);
1201                 return -EAGAIN;
1202         }
1203         buf = kzalloc(bufsz, GFP_KERNEL);
1204         if (!buf) {
1205                 IWL_ERR(priv, "Can not allocate Buffer\n");
1206                 return -ENOMEM;
1207         }
1208
1209         /* the statistic information display here is based on
1210          * the last statistics notification from uCode
1211          * might not reflect the current uCode activity
1212          */
1213         tx = &priv->statistics.tx;
1214         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1215         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1216         pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
1217                          le32_to_cpu(tx->preamble_cnt));
1218         pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
1219                          le32_to_cpu(tx->rx_detected_cnt));
1220         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
1221                          le32_to_cpu(tx->bt_prio_defer_cnt));
1222         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
1223                          le32_to_cpu(tx->bt_prio_kill_cnt));
1224         pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
1225                          le32_to_cpu(tx->few_bytes_cnt));
1226         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
1227                          le32_to_cpu(tx->cts_timeout));
1228         pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
1229                          le32_to_cpu(tx->ack_timeout));
1230         pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
1231                          le32_to_cpu(tx->expected_ack_cnt));
1232         pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
1233                          le32_to_cpu(tx->actual_ack_cnt));
1234         pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
1235                          le32_to_cpu(tx->dump_msdu_cnt));
1236         pos += scnprintf(buf + pos, bufsz - pos,
1237                         "burst_abort_next_frame_mismatch_cnt: %u\n",
1238                         le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
1239         pos += scnprintf(buf + pos, bufsz - pos,
1240                         "burst_abort_missing_next_frame_cnt: %u\n",
1241                         le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
1242         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
1243                          le32_to_cpu(tx->cts_timeout_collision));
1244         pos += scnprintf(buf + pos, bufsz - pos,
1245                         "ack_or_ba_timeout_collision: %u\n",
1246                         le32_to_cpu(tx->ack_or_ba_timeout_collision));
1247         pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
1248                          le32_to_cpu(tx->agg.ba_timeout));
1249         pos += scnprintf(buf + pos, bufsz - pos,
1250                         "agg ba_reschedule_frames: %u\n",
1251                         le32_to_cpu(tx->agg.ba_reschedule_frames));
1252         pos += scnprintf(buf + pos, bufsz - pos,
1253                         "agg scd_query_agg_frame_cnt: %u\n",
1254                         le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
1255         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
1256                          le32_to_cpu(tx->agg.scd_query_no_agg));
1257         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
1258                          le32_to_cpu(tx->agg.scd_query_agg));
1259         pos += scnprintf(buf + pos, bufsz - pos,
1260                         "agg scd_query_mismatch: %u\n",
1261                         le32_to_cpu(tx->agg.scd_query_mismatch));
1262         pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
1263                          le32_to_cpu(tx->agg.frame_not_ready));
1264         pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
1265                          le32_to_cpu(tx->agg.underrun));
1266         pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
1267                          le32_to_cpu(tx->agg.bt_prio_kill));
1268         pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
1269                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
1270
1271         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1272         kfree(buf);
1273         return ret;
1274 }
1275
1276 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1277                                         char __user *user_buf,
1278                                         size_t count, loff_t *ppos)
1279 {
1280         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1281         int pos = 0;
1282         char *buf;
1283         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1284         ssize_t ret;
1285         struct statistics_general *general;
1286         struct statistics_dbg *dbg;
1287         struct statistics_div *div;
1288
1289         if (!iwl_is_alive(priv))
1290                 return -EAGAIN;
1291
1292         /* make request to uCode to retrieve statistics information */
1293         mutex_lock(&priv->mutex);
1294         ret = iwl_send_statistics_request(priv, 0);
1295         mutex_unlock(&priv->mutex);
1296
1297         if (ret) {
1298                 IWL_ERR(priv,
1299                         "Error sending statistics request: %zd\n", ret);
1300                 return -EAGAIN;
1301         }
1302         buf = kzalloc(bufsz, GFP_KERNEL);
1303         if (!buf) {
1304                 IWL_ERR(priv, "Can not allocate Buffer\n");
1305                 return -ENOMEM;
1306         }
1307
1308         /* the statistic information display here is based on
1309          * the last statistics notification from uCode
1310          * might not reflect the current uCode activity
1311          */
1312         general = &priv->statistics.general;
1313         dbg = &priv->statistics.general.dbg;
1314         div = &priv->statistics.general.div;
1315         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1316         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1317         pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
1318                          le32_to_cpu(general->temperature));
1319         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
1320                          le32_to_cpu(general->temperature_m));
1321         pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
1322                          le32_to_cpu(dbg->burst_check));
1323         pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
1324                          le32_to_cpu(dbg->burst_count));
1325         pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
1326                          le32_to_cpu(general->sleep_time));
1327         pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
1328                          le32_to_cpu(general->slots_out));
1329         pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
1330                          le32_to_cpu(general->slots_idle));
1331         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
1332                          le32_to_cpu(general->ttl_timestamp));
1333         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
1334                          le32_to_cpu(div->tx_on_a));
1335         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
1336                          le32_to_cpu(div->tx_on_b));
1337         pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
1338                          le32_to_cpu(div->exec_time));
1339         pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
1340                          le32_to_cpu(div->probe_time));
1341         pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
1342                          le32_to_cpu(general->rx_enable_counter));
1343         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1344         kfree(buf);
1345         return ret;
1346 }
1347
1348 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1349                                         char __user *user_buf,
1350                                         size_t count, loff_t *ppos) {
1351
1352         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1353         int pos = 0;
1354         int cnt = 0;
1355         char *buf;
1356         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1357         ssize_t ret;
1358         struct iwl_sensitivity_data *data;
1359
1360         data = &priv->sensitivity_data;
1361         buf = kzalloc(bufsz, GFP_KERNEL);
1362         if (!buf) {
1363                 IWL_ERR(priv, "Can not allocate Buffer\n");
1364                 return -ENOMEM;
1365         }
1366
1367         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1368                         data->auto_corr_ofdm);
1369         pos += scnprintf(buf + pos, bufsz - pos,
1370                         "auto_corr_ofdm_mrc:\t\t %u\n",
1371                         data->auto_corr_ofdm_mrc);
1372         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1373                         data->auto_corr_ofdm_x1);
1374         pos += scnprintf(buf + pos, bufsz - pos,
1375                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1376                         data->auto_corr_ofdm_mrc_x1);
1377         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1378                         data->auto_corr_cck);
1379         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1380                         data->auto_corr_cck_mrc);
1381         pos += scnprintf(buf + pos, bufsz - pos,
1382                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1383                         data->last_bad_plcp_cnt_ofdm);
1384         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1385                         data->last_fa_cnt_ofdm);
1386         pos += scnprintf(buf + pos, bufsz - pos,
1387                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1388                         data->last_bad_plcp_cnt_cck);
1389         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1390                         data->last_fa_cnt_cck);
1391         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1392                         data->nrg_curr_state);
1393         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1394                         data->nrg_prev_state);
1395         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1396         for (cnt = 0; cnt < 10; cnt++) {
1397                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1398                                 data->nrg_value[cnt]);
1399         }
1400         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1401         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1402         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1403                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1404                                 data->nrg_silence_rssi[cnt]);
1405         }
1406         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1407         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1408                         data->nrg_silence_ref);
1409         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1410                         data->nrg_energy_idx);
1411         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1412                         data->nrg_silence_idx);
1413         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1414                         data->nrg_th_cck);
1415         pos += scnprintf(buf + pos, bufsz - pos,
1416                         "nrg_auto_corr_silence_diff:\t %u\n",
1417                         data->nrg_auto_corr_silence_diff);
1418         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1419                         data->num_in_cck_no_fa);
1420         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1421                         data->nrg_th_ofdm);
1422
1423         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1424         kfree(buf);
1425         return ret;
1426 }
1427
1428
1429 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1430                                         char __user *user_buf,
1431                                         size_t count, loff_t *ppos) {
1432
1433         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1434         int pos = 0;
1435         int cnt = 0;
1436         char *buf;
1437         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1438         ssize_t ret;
1439         struct iwl_chain_noise_data *data;
1440
1441         data = &priv->chain_noise_data;
1442         buf = kzalloc(bufsz, GFP_KERNEL);
1443         if (!buf) {
1444                 IWL_ERR(priv, "Can not allocate Buffer\n");
1445                 return -ENOMEM;
1446         }
1447
1448         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1449                         data->active_chains);
1450         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1451                         data->chain_noise_a);
1452         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1453                         data->chain_noise_b);
1454         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1455                         data->chain_noise_c);
1456         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1457                         data->chain_signal_a);
1458         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1459                         data->chain_signal_b);
1460         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1461                         data->chain_signal_c);
1462         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1463                         data->beacon_count);
1464
1465         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1466         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1467                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1468                                 data->disconn_array[cnt]);
1469         }
1470         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1471         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1472         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1473                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1474                                 data->delta_gain_code[cnt]);
1475         }
1476         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1477         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1478                         data->radio_write);
1479         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1480                         data->state);
1481
1482         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1483         kfree(buf);
1484         return ret;
1485 }
1486
1487 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1488 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1489 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1490 DEBUGFS_READ_FILE_OPS(rx_queue);
1491 DEBUGFS_READ_FILE_OPS(tx_queue);
1492 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1493 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1494 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1495 DEBUGFS_READ_FILE_OPS(sensitivity);
1496 DEBUGFS_READ_FILE_OPS(chain_noise);
1497
1498 /*
1499  * Create the debugfs files and directories
1500  *
1501  */
1502 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1503 {
1504         struct iwl_debugfs *dbgfs;
1505         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1506         int ret = 0;
1507
1508         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1509         if (!dbgfs) {
1510                 ret = -ENOMEM;
1511                 goto err;
1512         }
1513
1514         priv->dbgfs = dbgfs;
1515         dbgfs->name = name;
1516         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1517         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1518                 ret = -ENOENT;
1519                 goto err;
1520         }
1521
1522         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1523         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1524         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1525         DEBUGFS_ADD_FILE(nvm, data);
1526         DEBUGFS_ADD_FILE(sram, data);
1527         DEBUGFS_ADD_FILE(log_event, data);
1528         DEBUGFS_ADD_FILE(stations, data);
1529         DEBUGFS_ADD_FILE(channels, data);
1530         DEBUGFS_ADD_FILE(status, data);
1531         DEBUGFS_ADD_FILE(interrupt, data);
1532         DEBUGFS_ADD_FILE(qos, data);
1533 #ifdef CONFIG_IWLWIFI_LEDS
1534         DEBUGFS_ADD_FILE(led, data);
1535 #endif
1536         DEBUGFS_ADD_FILE(thermal_throttling, data);
1537         DEBUGFS_ADD_FILE(disable_ht40, data);
1538         DEBUGFS_ADD_FILE(rx_statistics, debug);
1539         DEBUGFS_ADD_FILE(tx_statistics, debug);
1540         DEBUGFS_ADD_FILE(traffic_log, debug);
1541         DEBUGFS_ADD_FILE(rx_queue, debug);
1542         DEBUGFS_ADD_FILE(tx_queue, debug);
1543         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1544                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1545                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1546                 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1547                 DEBUGFS_ADD_FILE(sensitivity, debug);
1548                 DEBUGFS_ADD_FILE(chain_noise, debug);
1549         }
1550         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1551         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1552                          &priv->disable_chain_noise_cal);
1553         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1554             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1555                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1556                                 &priv->disable_tx_power_cal);
1557         return 0;
1558
1559 err:
1560         IWL_ERR(priv, "Can't open the debugfs directory\n");
1561         iwl_dbgfs_unregister(priv);
1562         return ret;
1563 }
1564 EXPORT_SYMBOL(iwl_dbgfs_register);
1565
1566 /**
1567  * Remove the debugfs files and directories
1568  *
1569  */
1570 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1571 {
1572         if (!priv->dbgfs)
1573                 return;
1574
1575         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1576         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1577         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1578         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1579         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1580         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1581         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1582         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1583 #ifdef CONFIG_IWLWIFI_LEDS
1584         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1585 #endif
1586         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1587         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1588         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1589         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1590         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1591         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1592         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1593         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1594         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1595                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1596                         file_ucode_rx_stats);
1597                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1598                         file_ucode_tx_stats);
1599                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1600                         file_ucode_general_stats);
1601                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1602                         file_sensitivity);
1603                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1604                         file_chain_noise);
1605         }
1606         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1607         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1608         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1609         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1610             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1611                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1612         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1613         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1614         kfree(priv->dbgfs);
1615         priv->dbgfs = NULL;
1616 }
1617 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1618
1619
1620