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

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19  * USA
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *****************************************************************************/
  28
  29 #include <linux/slab.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/debugfs.h>
  33
  34 #include <linux/ieee80211.h>
  35 #include <net/mac80211.h>
  36
  37
  38 #include "iwl-dev.h"
  39 #include "iwl-debug.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-agn.h"
  43
  44 /* create and remove of files */
  45 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  46         if (!debugfs_create_file(#name, mode, parent, priv,             \
  47                                  &iwl_dbgfs_##name##_ops))              \
  48                 goto err;                                               \
  49 } while (0)
  50
  51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  52         struct dentry *__tmp;                                           \
  53         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  54                                     parent, ptr);                       \
  55         if (IS_ERR(__tmp) || !__tmp)                                    \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  60         struct dentry *__tmp;                                           \
  61         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  62                                    parent, ptr);                        \
  63         if (IS_ERR(__tmp) || !__tmp)                                    \
  64                 goto err;                                               \
  65 } while (0)
  66
  67 /* file operation */
  68 #define DEBUGFS_READ_FUNC(name)                                         \
  69 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  70                                         char __user *user_buf,          \
  71                                         size_t count, loff_t *ppos);
  72
  73 #define DEBUGFS_WRITE_FUNC(name)                                        \
  74 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  75                                         const char __user *user_buf,    \
  76                                         size_t count, loff_t *ppos);
  77
  78
  79 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  80 {
  81         file->private_data = inode->i_private;
  82         return 0;
  83 }
  84
  85 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  86         DEBUGFS_READ_FUNC(name);                                        \
  87 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  88         .read = iwl_dbgfs_##name##_read,                                \
  89         .open = iwl_dbgfs_open_file_generic,                            \
  90         .llseek = generic_file_llseek,                                  \
  91 };
  92
  93 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
  94         DEBUGFS_WRITE_FUNC(name);                                       \
  95 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  96         .write = iwl_dbgfs_##name##_write,                              \
  97         .open = iwl_dbgfs_open_file_generic,                            \
  98         .llseek = generic_file_llseek,                                  \
  99 };
 100
 101
 102 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 103         DEBUGFS_READ_FUNC(name);                                        \
 104         DEBUGFS_WRITE_FUNC(name);                                       \
 105 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 106         .write = iwl_dbgfs_##name##_write,                              \
 107         .read = iwl_dbgfs_##name##_read,                                \
 108         .open = iwl_dbgfs_open_file_generic,                            \
 109         .llseek = generic_file_llseek,                                  \
 110 };
 111
 112 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 113                                                 char __user *user_buf,
 114                                                 size_t count, loff_t *ppos) {
 115
 116         struct iwl_priv *priv = file->private_data;
 117         char *buf;
 118         int pos = 0;
 119
 120         int cnt;
 121         ssize_t ret;
 122         const size_t bufsz = 100 +
 123                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 124         buf = kzalloc(bufsz, GFP_KERNEL);
 125         if (!buf)
 126                 return -ENOMEM;
 127         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 128         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 129                 pos += scnprintf(buf + pos, bufsz - pos,
 130                                  "\t%25s\t\t: %u\n",
 131                                  get_mgmt_string(cnt),
 132                                  priv->tx_stats.mgmt[cnt]);
 133         }
 134         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 135         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 136                 pos += scnprintf(buf + pos, bufsz - pos,
 137                                  "\t%25s\t\t: %u\n",
 138                                  get_ctrl_string(cnt),
 139                                  priv->tx_stats.ctrl[cnt]);
 140         }
 141         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 142         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 143                          priv->tx_stats.data_cnt);
 144         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 145                          priv->tx_stats.data_bytes);
 146         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 147         kfree(buf);
 148         return ret;
 149 }
 150
 151 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 152                                         const char __user *user_buf,
 153                                         size_t count, loff_t *ppos)
 154 {
 155         struct iwl_priv *priv = file->private_data;
 156         u32 clear_flag;
 157         char buf[8];
 158         int buf_size;
 159
 160         memset(buf, 0, sizeof(buf));
 161         buf_size = min(count, sizeof(buf) -  1);
 162         if (copy_from_user(buf, user_buf, buf_size))
 163                 return -EFAULT;
 164         if (sscanf(buf, "%x", &clear_flag) != 1)
 165                 return -EFAULT;
 166         iwl_clear_traffic_stats(priv);
 167
 168         return count;
 169 }
 170
 171 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 172                                                 char __user *user_buf,
 173                                                 size_t count, loff_t *ppos) {
 174
 175         struct iwl_priv *priv = file->private_data;
 176         char *buf;
 177         int pos = 0;
 178         int cnt;
 179         ssize_t ret;
 180         const size_t bufsz = 100 +
 181                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 182         buf = kzalloc(bufsz, GFP_KERNEL);
 183         if (!buf)
 184                 return -ENOMEM;
 185
 186         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 187         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 188                 pos += scnprintf(buf + pos, bufsz - pos,
 189                                  "\t%25s\t\t: %u\n",
 190                                  get_mgmt_string(cnt),
 191                                  priv->rx_stats.mgmt[cnt]);
 192         }
 193         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 194         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 195                 pos += scnprintf(buf + pos, bufsz - pos,
 196                                  "\t%25s\t\t: %u\n",
 197                                  get_ctrl_string(cnt),
 198                                  priv->rx_stats.ctrl[cnt]);
 199         }
 200         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 201         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 202                          priv->rx_stats.data_cnt);
 203         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 204                          priv->rx_stats.data_bytes);
 205
 206         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 207         kfree(buf);
 208         return ret;
 209 }
 210
 211 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 212                                         char __user *user_buf,
 213                                         size_t count, loff_t *ppos)
 214 {
 215         u32 val = 0;
 216         char *buf;
 217         ssize_t ret;
 218         int i = 0;
 219         bool device_format = false;
 220         int offset = 0;
 221         int len = 0;
 222         int pos = 0;
 223         int sram;
 224         struct iwl_priv *priv = file->private_data;
 225         size_t bufsz;
 226
 227         /* default is to dump the entire data segment */
 228         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 229                 priv->dbgfs_sram_offset = 0x800000;
 230                 if (priv->ucode_type == IWL_UCODE_INIT)
 231                         priv->dbgfs_sram_len = priv->ucode_init.data.len;
 232                 else
 233                         priv->dbgfs_sram_len = priv->ucode_rt.data.len;
 234         }
 235         len = priv->dbgfs_sram_len;
 236
 237         if (len == -4) {
 238                 device_format = true;
 239                 len = 4;
 240         }
 241
 242         bufsz =  50 + len * 4;
 243         buf = kmalloc(bufsz, GFP_KERNEL);
 244         if (!buf)
 245                 return -ENOMEM;
 246
 247         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 248                          len);
 249         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 250                         priv->dbgfs_sram_offset);
 251
 252         /* adjust sram address since reads are only on even u32 boundaries */
 253         offset = priv->dbgfs_sram_offset & 0x3;
 254         sram = priv->dbgfs_sram_offset & ~0x3;
 255
 256         /* read the first u32 from sram */
 257         val = iwl_read_targ_mem(bus(priv), sram);
 258
 259         for (; len; len--) {
 260                 /* put the address at the start of every line */
 261                 if (i == 0)
 262                         pos += scnprintf(buf + pos, bufsz - pos,
 263                                 "%08X: ", sram + offset);
 264
 265                 if (device_format)
 266                         pos += scnprintf(buf + pos, bufsz - pos,
 267                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 268                 else
 269                         pos += scnprintf(buf + pos, bufsz - pos,
 270                                 "%02x ", (val >> (8 * offset)) & 0xff);
 271
 272                 /* if all bytes processed, read the next u32 from sram */
 273                 if (++offset == 4) {
 274                         sram += 4;
 275                         offset = 0;
 276                         val = iwl_read_targ_mem(bus(priv), sram);
 277                 }
 278
 279                 /* put in extra spaces and split lines for human readability */
 280                 if (++i == 16) {
 281                         i = 0;
 282                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 283                 } else if (!(i & 7)) {
 284                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 285                 } else if (!(i & 3)) {
 286                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 287                 }
 288         }
 289         if (i)
 290                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 291
 292         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 293         kfree(buf);
 294         return ret;
 295 }
 296
 297 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 298                                         const char __user *user_buf,
 299                                         size_t count, loff_t *ppos)
 300 {
 301         struct iwl_priv *priv = file->private_data;
 302         char buf[64];
 303         int buf_size;
 304         u32 offset, len;
 305
 306         memset(buf, 0, sizeof(buf));
 307         buf_size = min(count, sizeof(buf) -  1);
 308         if (copy_from_user(buf, user_buf, buf_size))
 309                 return -EFAULT;
 310
 311         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 312                 priv->dbgfs_sram_offset = offset;
 313                 priv->dbgfs_sram_len = len;
 314         } else if (sscanf(buf, "%x", &offset) == 1) {
 315                 priv->dbgfs_sram_offset = offset;
 316                 priv->dbgfs_sram_len = -4;
 317         } else {
 318                 priv->dbgfs_sram_offset = 0;
 319                 priv->dbgfs_sram_len = 0;
 320         }
 321
 322         return count;
 323 }
 324
 325 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 326                                           char __user *user_buf,
 327                                           size_t count, loff_t *ppos)
 328 {
 329         struct iwl_priv *priv = file->private_data;
 330
 331         if (!priv->wowlan_sram)
 332                 return -ENODATA;
 333
 334         return simple_read_from_buffer(user_buf, count, ppos,
 335                                        priv->wowlan_sram,
 336                                        priv->ucode_wowlan.data.len);
 337 }
 338 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 339                                         size_t count, loff_t *ppos)
 340 {
 341         struct iwl_priv *priv = file->private_data;
 342         struct iwl_station_entry *station;
 343         struct iwl_tid_data *tid_data;
 344         int max_sta = hw_params(priv).max_stations;
 345         char *buf;
 346         int i, j, pos = 0;
 347         ssize_t ret;
 348         /* Add 30 for initial string */
 349         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 350
 351         buf = kmalloc(bufsz, GFP_KERNEL);
 352         if (!buf)
 353                 return -ENOMEM;
 354
 355         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 356                         priv->num_stations);
 357
 358         for (i = 0; i < max_sta; i++) {
 359                 station = &priv->stations[i];
 360                 if (!station->used)
 361                         continue;
 362                 pos += scnprintf(buf + pos, bufsz - pos,
 363                                  "station %d - addr: %pM, flags: %#x\n",
 364                                  i, station->sta.sta.addr,
 365                                  station->sta.station_flags_msk);
 366                 pos += scnprintf(buf + pos, bufsz - pos,
 367                                 "TID\tseq_num\ttxq_id\ttfds\trate_n_flags\n");
 368
 369                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 370                         tid_data = &priv->shrd->tid_data[i][j];
 371                         pos += scnprintf(buf + pos, bufsz - pos,
 372                                 "%d:\t%#x\t%#x\t%u\t%#x",
 373                                 j, tid_data->seq_number,
 374                                 tid_data->agg.txq_id,
 375                                 tid_data->tfds_in_queue,
 376                                 tid_data->agg.rate_n_flags);
 377
 378                         if (tid_data->agg.wait_for_ba)
 379                                 pos += scnprintf(buf + pos, bufsz - pos,
 380                                                  " - waitforba");
 381                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 382                 }
 383
 384                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 385         }
 386
 387         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 388         kfree(buf);
 389         return ret;
 390 }
 391
 392 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 393                                        char __user *user_buf,
 394                                        size_t count,
 395                                        loff_t *ppos)
 396 {
 397         ssize_t ret;
 398         struct iwl_priv *priv = file->private_data;
 399         int pos = 0, ofs = 0, buf_size = 0;
 400         const u8 *ptr;
 401         char *buf;
 402         u16 eeprom_ver;
 403         size_t eeprom_len = priv->cfg->base_params->eeprom_size;
 404         buf_size = 4 * eeprom_len + 256;
 405
 406         if (eeprom_len % 16) {
 407                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 408                 return -ENODATA;
 409         }
 410
 411         ptr = priv->eeprom;
 412         if (!ptr) {
 413                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 414                 return -ENOMEM;
 415         }
 416
 417         /* 4 characters for byte 0xYY */
 418         buf = kzalloc(buf_size, GFP_KERNEL);
 419         if (!buf) {
 420                 IWL_ERR(priv, "Can not allocate Buffer\n");
 421                 return -ENOMEM;
 422         }
 423         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 424         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 425                         "version: 0x%x\n",
 426                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 427                          ? "OTP" : "EEPROM", eeprom_ver);
 428         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 429                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 430                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 431                                    buf_size - pos, 0);
 432                 pos += strlen(buf + pos);
 433                 if (buf_size - pos > 0)
 434                         buf[pos++] = '\n';
 435         }
 436
 437         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 438         kfree(buf);
 439         return ret;
 440 }
 441
 442 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 443                                        size_t count, loff_t *ppos)
 444 {
 445         struct iwl_priv *priv = file->private_data;
 446         struct ieee80211_channel *channels = NULL;
 447         const struct ieee80211_supported_band *supp_band = NULL;
 448         int pos = 0, i, bufsz = PAGE_SIZE;
 449         char *buf;
 450         ssize_t ret;
 451
 452         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status))
 453                 return -EAGAIN;
 454
 455         buf = kzalloc(bufsz, GFP_KERNEL);
 456         if (!buf) {
 457                 IWL_ERR(priv, "Can not allocate Buffer\n");
 458                 return -ENOMEM;
 459         }
 460
 461         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 462         if (supp_band) {
 463                 channels = supp_band->channels;
 464
 465                 pos += scnprintf(buf + pos, bufsz - pos,
 466                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 467                                 supp_band->n_channels);
 468
 469                 for (i = 0; i < supp_band->n_channels; i++)
 470                         pos += scnprintf(buf + pos, bufsz - pos,
 471                                         "%d: %ddBm: BSS%s%s, %s.\n",
 472                                         channels[i].hw_value,
 473                                         channels[i].max_power,
 474                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 475                                         " (IEEE 802.11h required)" : "",
 476                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 477                                         || (channels[i].flags &
 478                                         IEEE80211_CHAN_RADAR)) ? "" :
 479                                         ", IBSS",
 480                                         channels[i].flags &
 481                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 482                                         "passive only" : "active/passive");
 483         }
 484         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 485         if (supp_band) {
 486                 channels = supp_band->channels;
 487
 488                 pos += scnprintf(buf + pos, bufsz - pos,
 489                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 490                                 supp_band->n_channels);
 491
 492                 for (i = 0; i < supp_band->n_channels; i++)
 493                         pos += scnprintf(buf + pos, bufsz - pos,
 494                                         "%d: %ddBm: BSS%s%s, %s.\n",
 495                                         channels[i].hw_value,
 496                                         channels[i].max_power,
 497                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 498                                         " (IEEE 802.11h required)" : "",
 499                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 500                                         || (channels[i].flags &
 501                                         IEEE80211_CHAN_RADAR)) ? "" :
 502                                         ", IBSS",
 503                                         channels[i].flags &
 504                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 505                                         "passive only" : "active/passive");
 506         }
 507         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 508         kfree(buf);
 509         return ret;
 510 }
 511
 512 static ssize_t iwl_dbgfs_status_read(struct file *file,
 513                                                 char __user *user_buf,
 514                                                 size_t count, loff_t *ppos) {
 515
 516         struct iwl_priv *priv = file->private_data;
 517         char buf[512];
 518         int pos = 0;
 519         const size_t bufsz = sizeof(buf);
 520
 521         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 522                 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
 523         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 524                 test_bit(STATUS_INT_ENABLED, &priv->shrd->status));
 525         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 526                 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
 527         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 528                 test_bit(STATUS_CT_KILL, &priv->shrd->status));
 529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 530                 test_bit(STATUS_INIT, &priv->shrd->status));
 531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 532                 test_bit(STATUS_ALIVE, &priv->shrd->status));
 533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 534                 test_bit(STATUS_READY, &priv->shrd->status));
 535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 536                 test_bit(STATUS_TEMPERATURE, &priv->shrd->status));
 537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 538                 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status));
 539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 540                 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status));
 541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 542                 test_bit(STATUS_STATISTICS, &priv->shrd->status));
 543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 544                 test_bit(STATUS_SCANNING, &priv->shrd->status));
 545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 546                 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status));
 547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 548                 test_bit(STATUS_SCAN_HW, &priv->shrd->status));
 549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 550                 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
 551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 552                 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
 553         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 554 }
 555
 556 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 557                                         char __user *user_buf,
 558                                         size_t count, loff_t *ppos) {
 559
 560         struct iwl_priv *priv = file->private_data;
 561
 562         int pos = 0;
 563         int cnt = 0;
 564         char *buf;
 565         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 566         ssize_t ret;
 567
 568         buf = kzalloc(bufsz, GFP_KERNEL);
 569         if (!buf) {
 570                 IWL_ERR(priv, "Can not allocate Buffer\n");
 571                 return -ENOMEM;
 572         }
 573
 574         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 575                 if (priv->rx_handlers_stats[cnt] > 0)
 576                         pos += scnprintf(buf + pos, bufsz - pos,
 577                                 "\tRx handler[%36s]:\t\t %u\n",
 578                                 get_cmd_string(cnt),
 579                                 priv->rx_handlers_stats[cnt]);
 580         }
 581
 582         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 583         kfree(buf);
 584         return ret;
 585 }
 586
 587 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 588                                          const char __user *user_buf,
 589                                          size_t count, loff_t *ppos)
 590 {
 591         struct iwl_priv *priv = file->private_data;
 592
 593         char buf[8];
 594         int buf_size;
 595         u32 reset_flag;
 596
 597         memset(buf, 0, sizeof(buf));
 598         buf_size = min(count, sizeof(buf) -  1);
 599         if (copy_from_user(buf, user_buf, buf_size))
 600                 return -EFAULT;
 601         if (sscanf(buf, "%x", &reset_flag) != 1)
 602                 return -EFAULT;
 603         if (reset_flag == 0)
 604                 memset(&priv->rx_handlers_stats[0], 0,
 605                         sizeof(priv->rx_handlers_stats));
 606
 607         return count;
 608 }
 609
 610 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 611                                        size_t count, loff_t *ppos)
 612 {
 613         struct iwl_priv *priv = file->private_data;
 614         struct iwl_rxon_context *ctx;
 615         int pos = 0, i;
 616         char buf[256 * NUM_IWL_RXON_CTX];
 617         const size_t bufsz = sizeof(buf);
 618
 619         for_each_context(priv, ctx) {
 620                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 621                                  ctx->ctxid);
 622                 for (i = 0; i < AC_NUM; i++) {
 623                         pos += scnprintf(buf + pos, bufsz - pos,
 624                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 625                         pos += scnprintf(buf + pos, bufsz - pos,
 626                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 627                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 628                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 629                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 630                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 631                 }
 632                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 633         }
 634         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 635 }
 636
 637 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 638                                 char __user *user_buf,
 639                                 size_t count, loff_t *ppos)
 640 {
 641         struct iwl_priv *priv = file->private_data;
 642         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 643         struct iwl_tt_restriction *restriction;
 644         char buf[100];
 645         int pos = 0;
 646         const size_t bufsz = sizeof(buf);
 647
 648         pos += scnprintf(buf + pos, bufsz - pos,
 649                         "Thermal Throttling Mode: %s\n",
 650                         tt->advanced_tt ? "Advance" : "Legacy");
 651         pos += scnprintf(buf + pos, bufsz - pos,
 652                         "Thermal Throttling State: %d\n",
 653                         tt->state);
 654         if (tt->advanced_tt) {
 655                 restriction = tt->restriction + tt->state;
 656                 pos += scnprintf(buf + pos, bufsz - pos,
 657                                 "Tx mode: %d\n",
 658                                 restriction->tx_stream);
 659                 pos += scnprintf(buf + pos, bufsz - pos,
 660                                 "Rx mode: %d\n",
 661                                 restriction->rx_stream);
 662                 pos += scnprintf(buf + pos, bufsz - pos,
 663                                 "HT mode: %d\n",
 664                                 restriction->is_ht);
 665         }
 666         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 667 }
 668
 669 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 670                                          const char __user *user_buf,
 671                                          size_t count, loff_t *ppos)
 672 {
 673         struct iwl_priv *priv = file->private_data;
 674         char buf[8];
 675         int buf_size;
 676         int ht40;
 677
 678         memset(buf, 0, sizeof(buf));
 679         buf_size = min(count, sizeof(buf) -  1);
 680         if (copy_from_user(buf, user_buf, buf_size))
 681                 return -EFAULT;
 682         if (sscanf(buf, "%d", &ht40) != 1)
 683                 return -EFAULT;
 684         if (!iwl_is_any_associated(priv))
 685                 priv->disable_ht40 = ht40 ? true : false;
 686         else {
 687                 IWL_ERR(priv, "Sta associated with AP - "
 688                         "Change to 40MHz channel support is not allowed\n");
 689                 return -EINVAL;
 690         }
 691
 692         return count;
 693 }
 694
 695 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 696                                          char __user *user_buf,
 697                                          size_t count, loff_t *ppos)
 698 {
 699         struct iwl_priv *priv = file->private_data;
 700         char buf[100];
 701         int pos = 0;
 702         const size_t bufsz = sizeof(buf);
 703
 704         pos += scnprintf(buf + pos, bufsz - pos,
 705                         "11n 40MHz Mode: %s\n",
 706                         priv->disable_ht40 ? "Disabled" : "Enabled");
 707         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 708 }
 709
 710 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 711                                                     const char __user *user_buf,
 712                                                     size_t count, loff_t *ppos)
 713 {
 714         struct iwl_priv *priv = file->private_data;
 715         char buf[8];
 716         int buf_size;
 717         int value;
 718
 719         memset(buf, 0, sizeof(buf));
 720         buf_size = min(count, sizeof(buf) -  1);
 721         if (copy_from_user(buf, user_buf, buf_size))
 722                 return -EFAULT;
 723
 724         if (sscanf(buf, "%d", &value) != 1)
 725                 return -EINVAL;
 726
 727         /*
 728          * Our users expect 0 to be "CAM", but 0 isn't actually
 729          * valid here. However, let's not confuse them and present
 730          * IWL_POWER_INDEX_1 as "1", not "0".
 731          */
 732         if (value == 0)
 733                 return -EINVAL;
 734         else if (value > 0)
 735                 value -= 1;
 736
 737         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 738                 return -EINVAL;
 739
 740         if (!iwl_is_ready_rf(priv->shrd))
 741                 return -EAGAIN;
 742
 743         priv->power_data.debug_sleep_level_override = value;
 744
 745         mutex_lock(&priv->shrd->mutex);
 746         iwl_power_update_mode(priv, true);
 747         mutex_unlock(&priv->shrd->mutex);
 748
 749         return count;
 750 }
 751
 752 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 753                                                    char __user *user_buf,
 754                                                    size_t count, loff_t *ppos)
 755 {
 756         struct iwl_priv *priv = file->private_data;
 757         char buf[10];
 758         int pos, value;
 759         const size_t bufsz = sizeof(buf);
 760
 761         /* see the write function */
 762         value = priv->power_data.debug_sleep_level_override;
 763         if (value >= 0)
 764                 value += 1;
 765
 766         pos = scnprintf(buf, bufsz, "%d\n", value);
 767         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 768 }
 769
 770 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 771                                                     char __user *user_buf,
 772                                                     size_t count, loff_t *ppos)
 773 {
 774         struct iwl_priv *priv = file->private_data;
 775         char buf[200];
 776         int pos = 0, i;
 777         const size_t bufsz = sizeof(buf);
 778         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 779
 780         pos += scnprintf(buf + pos, bufsz - pos,
 781                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 782         pos += scnprintf(buf + pos, bufsz - pos,
 783                          "RX/TX timeout: %d/%d usec\n",
 784                          le32_to_cpu(cmd->rx_data_timeout),
 785                          le32_to_cpu(cmd->tx_data_timeout));
 786         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 787                 pos += scnprintf(buf + pos, bufsz - pos,
 788                                  "sleep_interval[%d]: %d\n", i,
 789                                  le32_to_cpu(cmd->sleep_interval[i]));
 790
 791         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 792 }
 793
 794 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 795 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 796 DEBUGFS_READ_FILE_OPS(nvm);
 797 DEBUGFS_READ_FILE_OPS(stations);
 798 DEBUGFS_READ_FILE_OPS(channels);
 799 DEBUGFS_READ_FILE_OPS(status);
 800 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 801 DEBUGFS_READ_FILE_OPS(qos);
 802 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 803 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 804 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 805 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 806
 807 static const char *fmt_value = "  %-30s %10u\n";
 808 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 809 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 810 static const char *fmt_header =
 811         "%-32s    current  cumulative       delta         max\n";
 812
 813 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 814 {
 815         int p = 0;
 816         u32 flag;
 817
 818         flag = le32_to_cpu(priv->statistics.flag);
 819
 820         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 821         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 822                 p += scnprintf(buf + p, bufsz - p,
 823                 "\tStatistics have been cleared\n");
 824         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 825                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 826                 ? "2.4 GHz" : "5.2 GHz");
 827         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 828                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 829                  ? "enabled" : "disabled");
 830
 831         return p;
 832 }
 833
 834 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 835                                         char __user *user_buf,
 836                                         size_t count, loff_t *ppos)
 837 {
 838         struct iwl_priv *priv = file->private_data;
 839         int pos = 0;
 840         char *buf;
 841         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 842                     sizeof(struct statistics_rx_non_phy) * 40 +
 843                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 844         ssize_t ret;
 845         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 846         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 847         struct statistics_rx_non_phy *general, *accum_general;
 848         struct statistics_rx_non_phy *delta_general, *max_general;
 849         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 850
 851         if (!iwl_is_alive(priv->shrd))
 852                 return -EAGAIN;
 853
 854         buf = kzalloc(bufsz, GFP_KERNEL);
 855         if (!buf) {
 856                 IWL_ERR(priv, "Can not allocate Buffer\n");
 857                 return -ENOMEM;
 858         }
 859
 860         /*
 861          * the statistic information display here is based on
 862          * the last statistics notification from uCode
 863          * might not reflect the current uCode activity
 864          */
 865         ofdm = &priv->statistics.rx_ofdm;
 866         cck = &priv->statistics.rx_cck;
 867         general = &priv->statistics.rx_non_phy;
 868         ht = &priv->statistics.rx_ofdm_ht;
 869         accum_ofdm = &priv->accum_stats.rx_ofdm;
 870         accum_cck = &priv->accum_stats.rx_cck;
 871         accum_general = &priv->accum_stats.rx_non_phy;
 872         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 873         delta_ofdm = &priv->delta_stats.rx_ofdm;
 874         delta_cck = &priv->delta_stats.rx_cck;
 875         delta_general = &priv->delta_stats.rx_non_phy;
 876         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 877         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 878         max_cck = &priv->max_delta_stats.rx_cck;
 879         max_general = &priv->max_delta_stats.rx_non_phy;
 880         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 881
 882         pos += iwl_statistics_flag(priv, buf, bufsz);
 883         pos += scnprintf(buf + pos, bufsz - pos,
 884                          fmt_header, "Statistics_Rx - OFDM:");
 885         pos += scnprintf(buf + pos, bufsz - pos,
 886                          fmt_table, "ina_cnt:",
 887                          le32_to_cpu(ofdm->ina_cnt),
 888                          accum_ofdm->ina_cnt,
 889                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 890         pos += scnprintf(buf + pos, bufsz - pos,
 891                          fmt_table, "fina_cnt:",
 892                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 893                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 894         pos += scnprintf(buf + pos, bufsz - pos,
 895                          fmt_table, "plcp_err:",
 896                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 897                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 898         pos += scnprintf(buf + pos, bufsz - pos,
 899                          fmt_table, "crc32_err:",
 900                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 901                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 902         pos += scnprintf(buf + pos, bufsz - pos,
 903                          fmt_table, "overrun_err:",
 904                          le32_to_cpu(ofdm->overrun_err),
 905                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 906                          max_ofdm->overrun_err);
 907         pos += scnprintf(buf + pos, bufsz - pos,
 908                          fmt_table, "early_overrun_err:",
 909                          le32_to_cpu(ofdm->early_overrun_err),
 910                          accum_ofdm->early_overrun_err,
 911                          delta_ofdm->early_overrun_err,
 912                          max_ofdm->early_overrun_err);
 913         pos += scnprintf(buf + pos, bufsz - pos,
 914                          fmt_table, "crc32_good:",
 915                          le32_to_cpu(ofdm->crc32_good),
 916                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
 917                          max_ofdm->crc32_good);
 918         pos += scnprintf(buf + pos, bufsz - pos,
 919                          fmt_table, "false_alarm_cnt:",
 920                          le32_to_cpu(ofdm->false_alarm_cnt),
 921                          accum_ofdm->false_alarm_cnt,
 922                          delta_ofdm->false_alarm_cnt,
 923                          max_ofdm->false_alarm_cnt);
 924         pos += scnprintf(buf + pos, bufsz - pos,
 925                          fmt_table, "fina_sync_err_cnt:",
 926                          le32_to_cpu(ofdm->fina_sync_err_cnt),
 927                          accum_ofdm->fina_sync_err_cnt,
 928                          delta_ofdm->fina_sync_err_cnt,
 929                          max_ofdm->fina_sync_err_cnt);
 930         pos += scnprintf(buf + pos, bufsz - pos,
 931                          fmt_table, "sfd_timeout:",
 932                          le32_to_cpu(ofdm->sfd_timeout),
 933                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
 934                          max_ofdm->sfd_timeout);
 935         pos += scnprintf(buf + pos, bufsz - pos,
 936                          fmt_table, "fina_timeout:",
 937                          le32_to_cpu(ofdm->fina_timeout),
 938                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
 939                          max_ofdm->fina_timeout);
 940         pos += scnprintf(buf + pos, bufsz - pos,
 941                          fmt_table, "unresponded_rts:",
 942                          le32_to_cpu(ofdm->unresponded_rts),
 943                          accum_ofdm->unresponded_rts,
 944                          delta_ofdm->unresponded_rts,
 945                          max_ofdm->unresponded_rts);
 946         pos += scnprintf(buf + pos, bufsz - pos,
 947                          fmt_table, "rxe_frame_lmt_ovrun:",
 948                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 949                          accum_ofdm->rxe_frame_limit_overrun,
 950                          delta_ofdm->rxe_frame_limit_overrun,
 951                          max_ofdm->rxe_frame_limit_overrun);
 952         pos += scnprintf(buf + pos, bufsz - pos,
 953                          fmt_table, "sent_ack_cnt:",
 954                          le32_to_cpu(ofdm->sent_ack_cnt),
 955                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
 956                          max_ofdm->sent_ack_cnt);
 957         pos += scnprintf(buf + pos, bufsz - pos,
 958                          fmt_table, "sent_cts_cnt:",
 959                          le32_to_cpu(ofdm->sent_cts_cnt),
 960                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
 961                          max_ofdm->sent_cts_cnt);
 962         pos += scnprintf(buf + pos, bufsz - pos,
 963                          fmt_table, "sent_ba_rsp_cnt:",
 964                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 965                          accum_ofdm->sent_ba_rsp_cnt,
 966                          delta_ofdm->sent_ba_rsp_cnt,
 967                          max_ofdm->sent_ba_rsp_cnt);
 968         pos += scnprintf(buf + pos, bufsz - pos,
 969                          fmt_table, "dsp_self_kill:",
 970                          le32_to_cpu(ofdm->dsp_self_kill),
 971                          accum_ofdm->dsp_self_kill,
 972                          delta_ofdm->dsp_self_kill,
 973                          max_ofdm->dsp_self_kill);
 974         pos += scnprintf(buf + pos, bufsz - pos,
 975                          fmt_table, "mh_format_err:",
 976                          le32_to_cpu(ofdm->mh_format_err),
 977                          accum_ofdm->mh_format_err,
 978                          delta_ofdm->mh_format_err,
 979                          max_ofdm->mh_format_err);
 980         pos += scnprintf(buf + pos, bufsz - pos,
 981                          fmt_table, "re_acq_main_rssi_sum:",
 982                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 983                          accum_ofdm->re_acq_main_rssi_sum,
 984                          delta_ofdm->re_acq_main_rssi_sum,
 985                          max_ofdm->re_acq_main_rssi_sum);
 986
 987         pos += scnprintf(buf + pos, bufsz - pos,
 988                          fmt_header, "Statistics_Rx - CCK:");
 989         pos += scnprintf(buf + pos, bufsz - pos,
 990                          fmt_table, "ina_cnt:",
 991                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 992                          delta_cck->ina_cnt, max_cck->ina_cnt);
 993         pos += scnprintf(buf + pos, bufsz - pos,
 994                          fmt_table, "fina_cnt:",
 995                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 996                          delta_cck->fina_cnt, max_cck->fina_cnt);
 997         pos += scnprintf(buf + pos, bufsz - pos,
 998                          fmt_table, "plcp_err:",
 999                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1000                          delta_cck->plcp_err, max_cck->plcp_err);
1001         pos += scnprintf(buf + pos, bufsz - pos,
1002                          fmt_table, "crc32_err:",
1003                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1004                          delta_cck->crc32_err, max_cck->crc32_err);
1005         pos += scnprintf(buf + pos, bufsz - pos,
1006                          fmt_table, "overrun_err:",
1007                          le32_to_cpu(cck->overrun_err),
1008                          accum_cck->overrun_err, delta_cck->overrun_err,
1009                          max_cck->overrun_err);
1010         pos += scnprintf(buf + pos, bufsz - pos,
1011                          fmt_table, "early_overrun_err:",
1012                          le32_to_cpu(cck->early_overrun_err),
1013                          accum_cck->early_overrun_err,
1014                          delta_cck->early_overrun_err,
1015                          max_cck->early_overrun_err);
1016         pos += scnprintf(buf + pos, bufsz - pos,
1017                          fmt_table, "crc32_good:",
1018                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1019                          delta_cck->crc32_good, max_cck->crc32_good);
1020         pos += scnprintf(buf + pos, bufsz - pos,
1021                          fmt_table, "false_alarm_cnt:",
1022                          le32_to_cpu(cck->false_alarm_cnt),
1023                          accum_cck->false_alarm_cnt,
1024                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1025         pos += scnprintf(buf + pos, bufsz - pos,
1026                          fmt_table, "fina_sync_err_cnt:",
1027                          le32_to_cpu(cck->fina_sync_err_cnt),
1028                          accum_cck->fina_sync_err_cnt,
1029                          delta_cck->fina_sync_err_cnt,
1030                          max_cck->fina_sync_err_cnt);
1031         pos += scnprintf(buf + pos, bufsz - pos,
1032                          fmt_table, "sfd_timeout:",
1033                          le32_to_cpu(cck->sfd_timeout),
1034                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1035                          max_cck->sfd_timeout);
1036         pos += scnprintf(buf + pos, bufsz - pos,
1037                          fmt_table, "fina_timeout:",
1038                          le32_to_cpu(cck->fina_timeout),
1039                          accum_cck->fina_timeout, delta_cck->fina_timeout,
1040                          max_cck->fina_timeout);
1041         pos += scnprintf(buf + pos, bufsz - pos,
1042                          fmt_table, "unresponded_rts:",
1043                          le32_to_cpu(cck->unresponded_rts),
1044                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1045                          max_cck->unresponded_rts);
1046         pos += scnprintf(buf + pos, bufsz - pos,
1047                          fmt_table, "rxe_frame_lmt_ovrun:",
1048                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1049                          accum_cck->rxe_frame_limit_overrun,
1050                          delta_cck->rxe_frame_limit_overrun,
1051                          max_cck->rxe_frame_limit_overrun);
1052         pos += scnprintf(buf + pos, bufsz - pos,
1053                          fmt_table, "sent_ack_cnt:",
1054                          le32_to_cpu(cck->sent_ack_cnt),
1055                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1056                          max_cck->sent_ack_cnt);
1057         pos += scnprintf(buf + pos, bufsz - pos,
1058                          fmt_table, "sent_cts_cnt:",
1059                          le32_to_cpu(cck->sent_cts_cnt),
1060                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1061                          max_cck->sent_cts_cnt);
1062         pos += scnprintf(buf + pos, bufsz - pos,
1063                          fmt_table, "sent_ba_rsp_cnt:",
1064                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1065                          accum_cck->sent_ba_rsp_cnt,
1066                          delta_cck->sent_ba_rsp_cnt,
1067                          max_cck->sent_ba_rsp_cnt);
1068         pos += scnprintf(buf + pos, bufsz - pos,
1069                          fmt_table, "dsp_self_kill:",
1070                          le32_to_cpu(cck->dsp_self_kill),
1071                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1072                          max_cck->dsp_self_kill);
1073         pos += scnprintf(buf + pos, bufsz - pos,
1074                          fmt_table, "mh_format_err:",
1075                          le32_to_cpu(cck->mh_format_err),
1076                          accum_cck->mh_format_err, delta_cck->mh_format_err,
1077                          max_cck->mh_format_err);
1078         pos += scnprintf(buf + pos, bufsz - pos,
1079                          fmt_table, "re_acq_main_rssi_sum:",
1080                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1081                          accum_cck->re_acq_main_rssi_sum,
1082                          delta_cck->re_acq_main_rssi_sum,
1083                          max_cck->re_acq_main_rssi_sum);
1084
1085         pos += scnprintf(buf + pos, bufsz - pos,
1086                          fmt_header, "Statistics_Rx - GENERAL:");
1087         pos += scnprintf(buf + pos, bufsz - pos,
1088                          fmt_table, "bogus_cts:",
1089                          le32_to_cpu(general->bogus_cts),
1090                          accum_general->bogus_cts, delta_general->bogus_cts,
1091                          max_general->bogus_cts);
1092         pos += scnprintf(buf + pos, bufsz - pos,
1093                          fmt_table, "bogus_ack:",
1094                          le32_to_cpu(general->bogus_ack),
1095                          accum_general->bogus_ack, delta_general->bogus_ack,
1096                          max_general->bogus_ack);
1097         pos += scnprintf(buf + pos, bufsz - pos,
1098                          fmt_table, "non_bssid_frames:",
1099                          le32_to_cpu(general->non_bssid_frames),
1100                          accum_general->non_bssid_frames,
1101                          delta_general->non_bssid_frames,
1102                          max_general->non_bssid_frames);
1103         pos += scnprintf(buf + pos, bufsz - pos,
1104                          fmt_table, "filtered_frames:",
1105                          le32_to_cpu(general->filtered_frames),
1106                          accum_general->filtered_frames,
1107                          delta_general->filtered_frames,
1108                          max_general->filtered_frames);
1109         pos += scnprintf(buf + pos, bufsz - pos,
1110                          fmt_table, "non_channel_beacons:",
1111                          le32_to_cpu(general->non_channel_beacons),
1112                          accum_general->non_channel_beacons,
1113                          delta_general->non_channel_beacons,
1114                          max_general->non_channel_beacons);
1115         pos += scnprintf(buf + pos, bufsz - pos,
1116                          fmt_table, "channel_beacons:",
1117                          le32_to_cpu(general->channel_beacons),
1118                          accum_general->channel_beacons,
1119                          delta_general->channel_beacons,
1120                          max_general->channel_beacons);
1121         pos += scnprintf(buf + pos, bufsz - pos,
1122                          fmt_table, "num_missed_bcon:",
1123                          le32_to_cpu(general->num_missed_bcon),
1124                          accum_general->num_missed_bcon,
1125                          delta_general->num_missed_bcon,
1126                          max_general->num_missed_bcon);
1127         pos += scnprintf(buf + pos, bufsz - pos,
1128                          fmt_table, "adc_rx_saturation_time:",
1129                          le32_to_cpu(general->adc_rx_saturation_time),
1130                          accum_general->adc_rx_saturation_time,
1131                          delta_general->adc_rx_saturation_time,
1132                          max_general->adc_rx_saturation_time);
1133         pos += scnprintf(buf + pos, bufsz - pos,
1134                          fmt_table, "ina_detect_search_tm:",
1135                          le32_to_cpu(general->ina_detection_search_time),
1136                          accum_general->ina_detection_search_time,
1137                          delta_general->ina_detection_search_time,
1138                          max_general->ina_detection_search_time);
1139         pos += scnprintf(buf + pos, bufsz - pos,
1140                          fmt_table, "beacon_silence_rssi_a:",
1141                          le32_to_cpu(general->beacon_silence_rssi_a),
1142                          accum_general->beacon_silence_rssi_a,
1143                          delta_general->beacon_silence_rssi_a,
1144                          max_general->beacon_silence_rssi_a);
1145         pos += scnprintf(buf + pos, bufsz - pos,
1146                          fmt_table, "beacon_silence_rssi_b:",
1147                          le32_to_cpu(general->beacon_silence_rssi_b),
1148                          accum_general->beacon_silence_rssi_b,
1149                          delta_general->beacon_silence_rssi_b,
1150                          max_general->beacon_silence_rssi_b);
1151         pos += scnprintf(buf + pos, bufsz - pos,
1152                          fmt_table, "beacon_silence_rssi_c:",
1153                          le32_to_cpu(general->beacon_silence_rssi_c),
1154                          accum_general->beacon_silence_rssi_c,
1155                          delta_general->beacon_silence_rssi_c,
1156                          max_general->beacon_silence_rssi_c);
1157         pos += scnprintf(buf + pos, bufsz - pos,
1158                          fmt_table, "interference_data_flag:",
1159                          le32_to_cpu(general->interference_data_flag),
1160                          accum_general->interference_data_flag,
1161                          delta_general->interference_data_flag,
1162                          max_general->interference_data_flag);
1163         pos += scnprintf(buf + pos, bufsz - pos,
1164                          fmt_table, "channel_load:",
1165                          le32_to_cpu(general->channel_load),
1166                          accum_general->channel_load,
1167                          delta_general->channel_load,
1168                          max_general->channel_load);
1169         pos += scnprintf(buf + pos, bufsz - pos,
1170                          fmt_table, "dsp_false_alarms:",
1171                          le32_to_cpu(general->dsp_false_alarms),
1172                          accum_general->dsp_false_alarms,
1173                          delta_general->dsp_false_alarms,
1174                          max_general->dsp_false_alarms);
1175         pos += scnprintf(buf + pos, bufsz - pos,
1176                          fmt_table, "beacon_rssi_a:",
1177                          le32_to_cpu(general->beacon_rssi_a),
1178                          accum_general->beacon_rssi_a,
1179                          delta_general->beacon_rssi_a,
1180                          max_general->beacon_rssi_a);
1181         pos += scnprintf(buf + pos, bufsz - pos,
1182                          fmt_table, "beacon_rssi_b:",
1183                          le32_to_cpu(general->beacon_rssi_b),
1184                          accum_general->beacon_rssi_b,
1185                          delta_general->beacon_rssi_b,
1186                          max_general->beacon_rssi_b);
1187         pos += scnprintf(buf + pos, bufsz - pos,
1188                          fmt_table, "beacon_rssi_c:",
1189                          le32_to_cpu(general->beacon_rssi_c),
1190                          accum_general->beacon_rssi_c,
1191                          delta_general->beacon_rssi_c,
1192                          max_general->beacon_rssi_c);
1193         pos += scnprintf(buf + pos, bufsz - pos,
1194                          fmt_table, "beacon_energy_a:",
1195                          le32_to_cpu(general->beacon_energy_a),
1196                          accum_general->beacon_energy_a,
1197                          delta_general->beacon_energy_a,
1198                          max_general->beacon_energy_a);
1199         pos += scnprintf(buf + pos, bufsz - pos,
1200                          fmt_table, "beacon_energy_b:",
1201                          le32_to_cpu(general->beacon_energy_b),
1202                          accum_general->beacon_energy_b,
1203                          delta_general->beacon_energy_b,
1204                          max_general->beacon_energy_b);
1205         pos += scnprintf(buf + pos, bufsz - pos,
1206                          fmt_table, "beacon_energy_c:",
1207                          le32_to_cpu(general->beacon_energy_c),
1208                          accum_general->beacon_energy_c,
1209                          delta_general->beacon_energy_c,
1210                          max_general->beacon_energy_c);
1211
1212         pos += scnprintf(buf + pos, bufsz - pos,
1213                          fmt_header, "Statistics_Rx - OFDM_HT:");
1214         pos += scnprintf(buf + pos, bufsz - pos,
1215                          fmt_table, "plcp_err:",
1216                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1217                          delta_ht->plcp_err, max_ht->plcp_err);
1218         pos += scnprintf(buf + pos, bufsz - pos,
1219                          fmt_table, "overrun_err:",
1220                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1221                          delta_ht->overrun_err, max_ht->overrun_err);
1222         pos += scnprintf(buf + pos, bufsz - pos,
1223                          fmt_table, "early_overrun_err:",
1224                          le32_to_cpu(ht->early_overrun_err),
1225                          accum_ht->early_overrun_err,
1226                          delta_ht->early_overrun_err,
1227                          max_ht->early_overrun_err);
1228         pos += scnprintf(buf + pos, bufsz - pos,
1229                          fmt_table, "crc32_good:",
1230                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1231                          delta_ht->crc32_good, max_ht->crc32_good);
1232         pos += scnprintf(buf + pos, bufsz - pos,
1233                          fmt_table, "crc32_err:",
1234                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1235                          delta_ht->crc32_err, max_ht->crc32_err);
1236         pos += scnprintf(buf + pos, bufsz - pos,
1237                          fmt_table, "mh_format_err:",
1238                          le32_to_cpu(ht->mh_format_err),
1239                          accum_ht->mh_format_err,
1240                          delta_ht->mh_format_err, max_ht->mh_format_err);
1241         pos += scnprintf(buf + pos, bufsz - pos,
1242                          fmt_table, "agg_crc32_good:",
1243                          le32_to_cpu(ht->agg_crc32_good),
1244                          accum_ht->agg_crc32_good,
1245                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1246         pos += scnprintf(buf + pos, bufsz - pos,
1247                          fmt_table, "agg_mpdu_cnt:",
1248                          le32_to_cpu(ht->agg_mpdu_cnt),
1249                          accum_ht->agg_mpdu_cnt,
1250                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1251         pos += scnprintf(buf + pos, bufsz - pos,
1252                          fmt_table, "agg_cnt:",
1253                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1254                          delta_ht->agg_cnt, max_ht->agg_cnt);
1255         pos += scnprintf(buf + pos, bufsz - pos,
1256                          fmt_table, "unsupport_mcs:",
1257                          le32_to_cpu(ht->unsupport_mcs),
1258                          accum_ht->unsupport_mcs,
1259                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1260
1261         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1262         kfree(buf);
1263         return ret;
1264 }
1265
1266 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1267                                         char __user *user_buf,
1268                                         size_t count, loff_t *ppos)
1269 {
1270         struct iwl_priv *priv = file->private_data;
1271         int pos = 0;
1272         char *buf;
1273         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1274         ssize_t ret;
1275         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1276
1277         if (!iwl_is_alive(priv->shrd))
1278                 return -EAGAIN;
1279
1280         buf = kzalloc(bufsz, GFP_KERNEL);
1281         if (!buf) {
1282                 IWL_ERR(priv, "Can not allocate Buffer\n");
1283                 return -ENOMEM;
1284         }
1285
1286         /* the statistic information display here is based on
1287          * the last statistics notification from uCode
1288          * might not reflect the current uCode activity
1289          */
1290         tx = &priv->statistics.tx;
1291         accum_tx = &priv->accum_stats.tx;
1292         delta_tx = &priv->delta_stats.tx;
1293         max_tx = &priv->max_delta_stats.tx;
1294
1295         pos += iwl_statistics_flag(priv, buf, bufsz);
1296         pos += scnprintf(buf + pos, bufsz - pos,
1297                          fmt_header, "Statistics_Tx:");
1298         pos += scnprintf(buf + pos, bufsz - pos,
1299                          fmt_table, "preamble:",
1300                          le32_to_cpu(tx->preamble_cnt),
1301                          accum_tx->preamble_cnt,
1302                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1303         pos += scnprintf(buf + pos, bufsz - pos,
1304                          fmt_table, "rx_detected_cnt:",
1305                          le32_to_cpu(tx->rx_detected_cnt),
1306                          accum_tx->rx_detected_cnt,
1307                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1308         pos += scnprintf(buf + pos, bufsz - pos,
1309                          fmt_table, "bt_prio_defer_cnt:",
1310                          le32_to_cpu(tx->bt_prio_defer_cnt),
1311                          accum_tx->bt_prio_defer_cnt,
1312                          delta_tx->bt_prio_defer_cnt,
1313                          max_tx->bt_prio_defer_cnt);
1314         pos += scnprintf(buf + pos, bufsz - pos,
1315                          fmt_table, "bt_prio_kill_cnt:",
1316                          le32_to_cpu(tx->bt_prio_kill_cnt),
1317                          accum_tx->bt_prio_kill_cnt,
1318                          delta_tx->bt_prio_kill_cnt,
1319                          max_tx->bt_prio_kill_cnt);
1320         pos += scnprintf(buf + pos, bufsz - pos,
1321                          fmt_table, "few_bytes_cnt:",
1322                          le32_to_cpu(tx->few_bytes_cnt),
1323                          accum_tx->few_bytes_cnt,
1324                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1325         pos += scnprintf(buf + pos, bufsz - pos,
1326                          fmt_table, "cts_timeout:",
1327                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1328                          delta_tx->cts_timeout, max_tx->cts_timeout);
1329         pos += scnprintf(buf + pos, bufsz - pos,
1330                          fmt_table, "ack_timeout:",
1331                          le32_to_cpu(tx->ack_timeout),
1332                          accum_tx->ack_timeout,
1333                          delta_tx->ack_timeout, max_tx->ack_timeout);
1334         pos += scnprintf(buf + pos, bufsz - pos,
1335                          fmt_table, "expected_ack_cnt:",
1336                          le32_to_cpu(tx->expected_ack_cnt),
1337                          accum_tx->expected_ack_cnt,
1338                          delta_tx->expected_ack_cnt,
1339                          max_tx->expected_ack_cnt);
1340         pos += scnprintf(buf + pos, bufsz - pos,
1341                          fmt_table, "actual_ack_cnt:",
1342                          le32_to_cpu(tx->actual_ack_cnt),
1343                          accum_tx->actual_ack_cnt,
1344                          delta_tx->actual_ack_cnt,
1345                          max_tx->actual_ack_cnt);
1346         pos += scnprintf(buf + pos, bufsz - pos,
1347                          fmt_table, "dump_msdu_cnt:",
1348                          le32_to_cpu(tx->dump_msdu_cnt),
1349                          accum_tx->dump_msdu_cnt,
1350                          delta_tx->dump_msdu_cnt,
1351                          max_tx->dump_msdu_cnt);
1352         pos += scnprintf(buf + pos, bufsz - pos,
1353                          fmt_table, "abort_nxt_frame_mismatch:",
1354                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1355                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1356                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1357                          max_tx->burst_abort_next_frame_mismatch_cnt);
1358         pos += scnprintf(buf + pos, bufsz - pos,
1359                          fmt_table, "abort_missing_nxt_frame:",
1360                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1361                          accum_tx->burst_abort_missing_next_frame_cnt,
1362                          delta_tx->burst_abort_missing_next_frame_cnt,
1363                          max_tx->burst_abort_missing_next_frame_cnt);
1364         pos += scnprintf(buf + pos, bufsz - pos,
1365                          fmt_table, "cts_timeout_collision:",
1366                          le32_to_cpu(tx->cts_timeout_collision),
1367                          accum_tx->cts_timeout_collision,
1368                          delta_tx->cts_timeout_collision,
1369                          max_tx->cts_timeout_collision);
1370         pos += scnprintf(buf + pos, bufsz - pos,
1371                          fmt_table, "ack_ba_timeout_collision:",
1372                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1373                          accum_tx->ack_or_ba_timeout_collision,
1374                          delta_tx->ack_or_ba_timeout_collision,
1375                          max_tx->ack_or_ba_timeout_collision);
1376         pos += scnprintf(buf + pos, bufsz - pos,
1377                          fmt_table, "agg ba_timeout:",
1378                          le32_to_cpu(tx->agg.ba_timeout),
1379                          accum_tx->agg.ba_timeout,
1380                          delta_tx->agg.ba_timeout,
1381                          max_tx->agg.ba_timeout);
1382         pos += scnprintf(buf + pos, bufsz - pos,
1383                          fmt_table, "agg ba_resched_frames:",
1384                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1385                          accum_tx->agg.ba_reschedule_frames,
1386                          delta_tx->agg.ba_reschedule_frames,
1387                          max_tx->agg.ba_reschedule_frames);
1388         pos += scnprintf(buf + pos, bufsz - pos,
1389                          fmt_table, "agg scd_query_agg_frame:",
1390                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1391                          accum_tx->agg.scd_query_agg_frame_cnt,
1392                          delta_tx->agg.scd_query_agg_frame_cnt,
1393                          max_tx->agg.scd_query_agg_frame_cnt);
1394         pos += scnprintf(buf + pos, bufsz - pos,
1395                          fmt_table, "agg scd_query_no_agg:",
1396                          le32_to_cpu(tx->agg.scd_query_no_agg),
1397                          accum_tx->agg.scd_query_no_agg,
1398                          delta_tx->agg.scd_query_no_agg,
1399                          max_tx->agg.scd_query_no_agg);
1400         pos += scnprintf(buf + pos, bufsz - pos,
1401                          fmt_table, "agg scd_query_agg:",
1402                          le32_to_cpu(tx->agg.scd_query_agg),
1403                          accum_tx->agg.scd_query_agg,
1404                          delta_tx->agg.scd_query_agg,
1405                          max_tx->agg.scd_query_agg);
1406         pos += scnprintf(buf + pos, bufsz - pos,
1407                          fmt_table, "agg scd_query_mismatch:",
1408                          le32_to_cpu(tx->agg.scd_query_mismatch),
1409                          accum_tx->agg.scd_query_mismatch,
1410                          delta_tx->agg.scd_query_mismatch,
1411                          max_tx->agg.scd_query_mismatch);
1412         pos += scnprintf(buf + pos, bufsz - pos,
1413                          fmt_table, "agg frame_not_ready:",
1414                          le32_to_cpu(tx->agg.frame_not_ready),
1415                          accum_tx->agg.frame_not_ready,
1416                          delta_tx->agg.frame_not_ready,
1417                          max_tx->agg.frame_not_ready);
1418         pos += scnprintf(buf + pos, bufsz - pos,
1419                          fmt_table, "agg underrun:",
1420                          le32_to_cpu(tx->agg.underrun),
1421                          accum_tx->agg.underrun,
1422                          delta_tx->agg.underrun, max_tx->agg.underrun);
1423         pos += scnprintf(buf + pos, bufsz - pos,
1424                          fmt_table, "agg bt_prio_kill:",
1425                          le32_to_cpu(tx->agg.bt_prio_kill),
1426                          accum_tx->agg.bt_prio_kill,
1427                          delta_tx->agg.bt_prio_kill,
1428                          max_tx->agg.bt_prio_kill);
1429         pos += scnprintf(buf + pos, bufsz - pos,
1430                          fmt_table, "agg rx_ba_rsp_cnt:",
1431                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1432                          accum_tx->agg.rx_ba_rsp_cnt,
1433                          delta_tx->agg.rx_ba_rsp_cnt,
1434                          max_tx->agg.rx_ba_rsp_cnt);
1435
1436         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1437                 pos += scnprintf(buf + pos, bufsz - pos,
1438                         "tx power: (1/2 dB step)\n");
1439                 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1440                         pos += scnprintf(buf + pos, bufsz - pos,
1441                                         fmt_hex, "antenna A:",
1442                                         tx->tx_power.ant_a);
1443                 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1444                         pos += scnprintf(buf + pos, bufsz - pos,
1445                                         fmt_hex, "antenna B:",
1446                                         tx->tx_power.ant_b);
1447                 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1448                         pos += scnprintf(buf + pos, bufsz - pos,
1449                                         fmt_hex, "antenna C:",
1450                                         tx->tx_power.ant_c);
1451         }
1452         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1453         kfree(buf);
1454         return ret;
1455 }
1456
1457 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1458                                         char __user *user_buf,
1459                                         size_t count, loff_t *ppos)
1460 {
1461         struct iwl_priv *priv = file->private_data;
1462         int pos = 0;
1463         char *buf;
1464         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1465         ssize_t ret;
1466         struct statistics_general_common *general, *accum_general;
1467         struct statistics_general_common *delta_general, *max_general;
1468         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1469         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1470
1471         if (!iwl_is_alive(priv->shrd))
1472                 return -EAGAIN;
1473
1474         buf = kzalloc(bufsz, GFP_KERNEL);
1475         if (!buf) {
1476                 IWL_ERR(priv, "Can not allocate Buffer\n");
1477                 return -ENOMEM;
1478         }
1479
1480         /* the statistic information display here is based on
1481          * the last statistics notification from uCode
1482          * might not reflect the current uCode activity
1483          */
1484         general = &priv->statistics.common;
1485         dbg = &priv->statistics.common.dbg;
1486         div = &priv->statistics.common.div;
1487         accum_general = &priv->accum_stats.common;
1488         accum_dbg = &priv->accum_stats.common.dbg;
1489         accum_div = &priv->accum_stats.common.div;
1490         delta_general = &priv->delta_stats.common;
1491         max_general = &priv->max_delta_stats.common;
1492         delta_dbg = &priv->delta_stats.common.dbg;
1493         max_dbg = &priv->max_delta_stats.common.dbg;
1494         delta_div = &priv->delta_stats.common.div;
1495         max_div = &priv->max_delta_stats.common.div;
1496
1497         pos += iwl_statistics_flag(priv, buf, bufsz);
1498         pos += scnprintf(buf + pos, bufsz - pos,
1499                          fmt_header, "Statistics_General:");
1500         pos += scnprintf(buf + pos, bufsz - pos,
1501                          fmt_value, "temperature:",
1502                          le32_to_cpu(general->temperature));
1503         pos += scnprintf(buf + pos, bufsz - pos,
1504                          fmt_value, "temperature_m:",
1505                          le32_to_cpu(general->temperature_m));
1506         pos += scnprintf(buf + pos, bufsz - pos,
1507                          fmt_value, "ttl_timestamp:",
1508                          le32_to_cpu(general->ttl_timestamp));
1509         pos += scnprintf(buf + pos, bufsz - pos,
1510                          fmt_table, "burst_check:",
1511                          le32_to_cpu(dbg->burst_check),
1512                          accum_dbg->burst_check,
1513                          delta_dbg->burst_check, max_dbg->burst_check);
1514         pos += scnprintf(buf + pos, bufsz - pos,
1515                          fmt_table, "burst_count:",
1516                          le32_to_cpu(dbg->burst_count),
1517                          accum_dbg->burst_count,
1518                          delta_dbg->burst_count, max_dbg->burst_count);
1519         pos += scnprintf(buf + pos, bufsz - pos,
1520                          fmt_table, "wait_for_silence_timeout_count:",
1521                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1522                          accum_dbg->wait_for_silence_timeout_cnt,
1523                          delta_dbg->wait_for_silence_timeout_cnt,
1524                          max_dbg->wait_for_silence_timeout_cnt);
1525         pos += scnprintf(buf + pos, bufsz - pos,
1526                          fmt_table, "sleep_time:",
1527                          le32_to_cpu(general->sleep_time),
1528                          accum_general->sleep_time,
1529                          delta_general->sleep_time, max_general->sleep_time);
1530         pos += scnprintf(buf + pos, bufsz - pos,
1531                          fmt_table, "slots_out:",
1532                          le32_to_cpu(general->slots_out),
1533                          accum_general->slots_out,
1534                          delta_general->slots_out, max_general->slots_out);
1535         pos += scnprintf(buf + pos, bufsz - pos,
1536                          fmt_table, "slots_idle:",
1537                          le32_to_cpu(general->slots_idle),
1538                          accum_general->slots_idle,
1539                          delta_general->slots_idle, max_general->slots_idle);
1540         pos += scnprintf(buf + pos, bufsz - pos,
1541                          fmt_table, "tx_on_a:",
1542                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1543                          delta_div->tx_on_a, max_div->tx_on_a);
1544         pos += scnprintf(buf + pos, bufsz - pos,
1545                          fmt_table, "tx_on_b:",
1546                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1547                          delta_div->tx_on_b, max_div->tx_on_b);
1548         pos += scnprintf(buf + pos, bufsz - pos,
1549                          fmt_table, "exec_time:",
1550                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1551                          delta_div->exec_time, max_div->exec_time);
1552         pos += scnprintf(buf + pos, bufsz - pos,
1553                          fmt_table, "probe_time:",
1554                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1555                          delta_div->probe_time, max_div->probe_time);
1556         pos += scnprintf(buf + pos, bufsz - pos,
1557                          fmt_table, "rx_enable_counter:",
1558                          le32_to_cpu(general->rx_enable_counter),
1559                          accum_general->rx_enable_counter,
1560                          delta_general->rx_enable_counter,
1561                          max_general->rx_enable_counter);
1562         pos += scnprintf(buf + pos, bufsz - pos,
1563                          fmt_table, "num_of_sos_states:",
1564                          le32_to_cpu(general->num_of_sos_states),
1565                          accum_general->num_of_sos_states,
1566                          delta_general->num_of_sos_states,
1567                          max_general->num_of_sos_states);
1568         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1569         kfree(buf);
1570         return ret;
1571 }
1572
1573 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1574                                         char __user *user_buf,
1575                                         size_t count, loff_t *ppos)
1576 {
1577         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1578         int pos = 0;
1579         char *buf;
1580         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1581         ssize_t ret;
1582         struct statistics_bt_activity *bt, *accum_bt;
1583
1584         if (!iwl_is_alive(priv->shrd))
1585                 return -EAGAIN;
1586
1587         if (!priv->bt_enable_flag)
1588                 return -EINVAL;
1589
1590         /* make request to uCode to retrieve statistics information */
1591         mutex_lock(&priv->shrd->mutex);
1592         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1593         mutex_unlock(&priv->shrd->mutex);
1594
1595         if (ret) {
1596                 IWL_ERR(priv,
1597                         "Error sending statistics request: %zd\n", ret);
1598                 return -EAGAIN;
1599         }
1600         buf = kzalloc(bufsz, GFP_KERNEL);
1601         if (!buf) {
1602                 IWL_ERR(priv, "Can not allocate Buffer\n");
1603                 return -ENOMEM;
1604         }
1605
1606         /*
1607          * the statistic information display here is based on
1608          * the last statistics notification from uCode
1609          * might not reflect the current uCode activity
1610          */
1611         bt = &priv->statistics.bt_activity;
1612         accum_bt = &priv->accum_stats.bt_activity;
1613
1614         pos += iwl_statistics_flag(priv, buf, bufsz);
1615         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1616         pos += scnprintf(buf + pos, bufsz - pos,
1617                         "\t\t\tcurrent\t\t\taccumulative\n");
1618         pos += scnprintf(buf + pos, bufsz - pos,
1619                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1620                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1621                          accum_bt->hi_priority_tx_req_cnt);
1622         pos += scnprintf(buf + pos, bufsz - pos,
1623                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1624                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1625                          accum_bt->hi_priority_tx_denied_cnt);
1626         pos += scnprintf(buf + pos, bufsz - pos,
1627                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1628                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1629                          accum_bt->lo_priority_tx_req_cnt);
1630         pos += scnprintf(buf + pos, bufsz - pos,
1631                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1632                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1633                          accum_bt->lo_priority_tx_denied_cnt);
1634         pos += scnprintf(buf + pos, bufsz - pos,
1635                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1636                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1637                          accum_bt->hi_priority_rx_req_cnt);
1638         pos += scnprintf(buf + pos, bufsz - pos,
1639                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1640                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1641                          accum_bt->hi_priority_rx_denied_cnt);
1642         pos += scnprintf(buf + pos, bufsz - pos,
1643                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1644                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1645                          accum_bt->lo_priority_rx_req_cnt);
1646         pos += scnprintf(buf + pos, bufsz - pos,
1647                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1648                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1649                          accum_bt->lo_priority_rx_denied_cnt);
1650
1651         pos += scnprintf(buf + pos, bufsz - pos,
1652                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1653                          le32_to_cpu(priv->statistics.num_bt_kills),
1654                          priv->statistics.accum_num_bt_kills);
1655
1656         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1657         kfree(buf);
1658         return ret;
1659 }
1660
1661 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1662                                         char __user *user_buf,
1663                                         size_t count, loff_t *ppos)
1664 {
1665         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1666         int pos = 0;
1667         char *buf;
1668         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1669                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1670         ssize_t ret;
1671
1672         if (!iwl_is_alive(priv->shrd))
1673                 return -EAGAIN;
1674
1675         buf = kzalloc(bufsz, GFP_KERNEL);
1676         if (!buf) {
1677                 IWL_ERR(priv, "Can not allocate Buffer\n");
1678                 return -ENOMEM;
1679         }
1680
1681         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1682         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1683                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1684                          priv->reply_tx_stats.pp_delay);
1685         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1686                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1687                          priv->reply_tx_stats.pp_few_bytes);
1688         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1689                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1690                          priv->reply_tx_stats.pp_bt_prio);
1691         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1692                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1693                          priv->reply_tx_stats.pp_quiet_period);
1694         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1695                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1696                          priv->reply_tx_stats.pp_calc_ttak);
1697         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1698                          iwl_get_tx_fail_reason(
1699                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1700                          priv->reply_tx_stats.int_crossed_retry);
1701         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1702                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1703                          priv->reply_tx_stats.short_limit);
1704         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1705                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1706                          priv->reply_tx_stats.long_limit);
1707         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1708                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1709                          priv->reply_tx_stats.fifo_underrun);
1710         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1711                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1712                          priv->reply_tx_stats.drain_flow);
1713         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1714                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1715                          priv->reply_tx_stats.rfkill_flush);
1716         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1717                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1718                          priv->reply_tx_stats.life_expire);
1719         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1720                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1721                          priv->reply_tx_stats.dest_ps);
1722         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1723                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1724                          priv->reply_tx_stats.host_abort);
1725         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1726                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1727                          priv->reply_tx_stats.pp_delay);
1728         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1729                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1730                          priv->reply_tx_stats.sta_invalid);
1731         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1732                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1733                          priv->reply_tx_stats.frag_drop);
1734         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1735                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1736                          priv->reply_tx_stats.tid_disable);
1737         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1738                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1739                          priv->reply_tx_stats.fifo_flush);
1740         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1741                          iwl_get_tx_fail_reason(
1742                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1743                          priv->reply_tx_stats.insuff_cf_poll);
1744         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1745                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1746                          priv->reply_tx_stats.fail_hw_drop);
1747         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1748                          iwl_get_tx_fail_reason(
1749                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1750                          priv->reply_tx_stats.sta_color_mismatch);
1751         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1752                          priv->reply_tx_stats.unknown);
1753
1754         pos += scnprintf(buf + pos, bufsz - pos,
1755                          "\nStatistics_Agg_TX_Error:\n");
1756
1757         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1758                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1759                          priv->reply_agg_tx_stats.underrun);
1760         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1761                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1762                          priv->reply_agg_tx_stats.bt_prio);
1763         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1764                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1765                          priv->reply_agg_tx_stats.few_bytes);
1766         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1767                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1768                          priv->reply_agg_tx_stats.abort);
1769         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1770                          iwl_get_agg_tx_fail_reason(
1771                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1772                          priv->reply_agg_tx_stats.last_sent_ttl);
1773         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1774                          iwl_get_agg_tx_fail_reason(
1775                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1776                          priv->reply_agg_tx_stats.last_sent_try);
1777         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1778                          iwl_get_agg_tx_fail_reason(
1779                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1780                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1781         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1782                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1783                          priv->reply_agg_tx_stats.scd_query);
1784         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1785                          iwl_get_agg_tx_fail_reason(
1786                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1787                          priv->reply_agg_tx_stats.bad_crc32);
1788         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1789                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1790                          priv->reply_agg_tx_stats.response);
1791         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1792                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1793                          priv->reply_agg_tx_stats.dump_tx);
1794         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1795                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1796                          priv->reply_agg_tx_stats.delay_tx);
1797         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1798                          priv->reply_agg_tx_stats.unknown);
1799
1800         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1801         kfree(buf);
1802         return ret;
1803 }
1804
1805 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1806                                         char __user *user_buf,
1807                                         size_t count, loff_t *ppos) {
1808
1809         struct iwl_priv *priv = file->private_data;
1810         int pos = 0;
1811         int cnt = 0;
1812         char *buf;
1813         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1814         ssize_t ret;
1815         struct iwl_sensitivity_data *data;
1816
1817         data = &priv->sensitivity_data;
1818         buf = kzalloc(bufsz, GFP_KERNEL);
1819         if (!buf) {
1820                 IWL_ERR(priv, "Can not allocate Buffer\n");
1821                 return -ENOMEM;
1822         }
1823
1824         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1825                         data->auto_corr_ofdm);
1826         pos += scnprintf(buf + pos, bufsz - pos,
1827                         "auto_corr_ofdm_mrc:\t\t %u\n",
1828                         data->auto_corr_ofdm_mrc);
1829         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1830                         data->auto_corr_ofdm_x1);
1831         pos += scnprintf(buf + pos, bufsz - pos,
1832                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1833                         data->auto_corr_ofdm_mrc_x1);
1834         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1835                         data->auto_corr_cck);
1836         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1837                         data->auto_corr_cck_mrc);
1838         pos += scnprintf(buf + pos, bufsz - pos,
1839                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1840                         data->last_bad_plcp_cnt_ofdm);
1841         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1842                         data->last_fa_cnt_ofdm);
1843         pos += scnprintf(buf + pos, bufsz - pos,
1844                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1845                         data->last_bad_plcp_cnt_cck);
1846         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1847                         data->last_fa_cnt_cck);
1848         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1849                         data->nrg_curr_state);
1850         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1851                         data->nrg_prev_state);
1852         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1853         for (cnt = 0; cnt < 10; cnt++) {
1854                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1855                                 data->nrg_value[cnt]);
1856         }
1857         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1858         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1859         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1860                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1861                                 data->nrg_silence_rssi[cnt]);
1862         }
1863         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1864         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1865                         data->nrg_silence_ref);
1866         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1867                         data->nrg_energy_idx);
1868         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1869                         data->nrg_silence_idx);
1870         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1871                         data->nrg_th_cck);
1872         pos += scnprintf(buf + pos, bufsz - pos,
1873                         "nrg_auto_corr_silence_diff:\t %u\n",
1874                         data->nrg_auto_corr_silence_diff);
1875         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1876                         data->num_in_cck_no_fa);
1877         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1878                         data->nrg_th_ofdm);
1879
1880         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1881         kfree(buf);
1882         return ret;
1883 }
1884
1885
1886 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1887                                         char __user *user_buf,
1888                                         size_t count, loff_t *ppos) {
1889
1890         struct iwl_priv *priv = file->private_data;
1891         int pos = 0;
1892         int cnt = 0;
1893         char *buf;
1894         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1895         ssize_t ret;
1896         struct iwl_chain_noise_data *data;
1897
1898         data = &priv->chain_noise_data;
1899         buf = kzalloc(bufsz, GFP_KERNEL);
1900         if (!buf) {
1901                 IWL_ERR(priv, "Can not allocate Buffer\n");
1902                 return -ENOMEM;
1903         }
1904
1905         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1906                         data->active_chains);
1907         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1908                         data->chain_noise_a);
1909         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1910                         data->chain_noise_b);
1911         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1912                         data->chain_noise_c);
1913         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1914                         data->chain_signal_a);
1915         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1916                         data->chain_signal_b);
1917         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1918                         data->chain_signal_c);
1919         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1920                         data->beacon_count);
1921
1922         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1923         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1924                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1925                                 data->disconn_array[cnt]);
1926         }
1927         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1928         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1929         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1930                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1931                                 data->delta_gain_code[cnt]);
1932         }
1933         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1934         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1935                         data->radio_write);
1936         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1937                         data->state);
1938
1939         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1940         kfree(buf);
1941         return ret;
1942 }
1943
1944 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1945                                                     char __user *user_buf,
1946                                                     size_t count, loff_t *ppos)
1947 {
1948         struct iwl_priv *priv = file->private_data;
1949         char buf[60];
1950         int pos = 0;
1951         const size_t bufsz = sizeof(buf);
1952         u32 pwrsave_status;
1953
1954         pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) &
1955                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1956
1957         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1958         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1959                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1960                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1961                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1962                 "error");
1963
1964         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1965 }
1966
1967 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1968                                          const char __user *user_buf,
1969                                          size_t count, loff_t *ppos)
1970 {
1971         struct iwl_priv *priv = file->private_data;
1972         char buf[8];
1973         int buf_size;
1974         int clear;
1975
1976         memset(buf, 0, sizeof(buf));
1977         buf_size = min(count, sizeof(buf) -  1);
1978         if (copy_from_user(buf, user_buf, buf_size))
1979                 return -EFAULT;
1980         if (sscanf(buf, "%d", &clear) != 1)
1981                 return -EFAULT;
1982
1983         /* make request to uCode to retrieve statistics information */
1984         mutex_lock(&priv->shrd->mutex);
1985         iwl_send_statistics_request(priv, CMD_SYNC, true);
1986         mutex_unlock(&priv->shrd->mutex);
1987
1988         return count;
1989 }
1990
1991 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1992                                         char __user *user_buf,
1993                                         size_t count, loff_t *ppos) {
1994
1995         struct iwl_priv *priv = file->private_data;
1996         int pos = 0;
1997         char buf[128];
1998         const size_t bufsz = sizeof(buf);
1999
2000         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2001                         priv->event_log.ucode_trace ? "On" : "Off");
2002         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2003                         priv->event_log.non_wraps_count);
2004         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2005                         priv->event_log.wraps_once_count);
2006         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2007                         priv->event_log.wraps_more_count);
2008
2009         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2010 }
2011
2012 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2013                                          const char __user *user_buf,
2014                                          size_t count, loff_t *ppos)
2015 {
2016         struct iwl_priv *priv = file->private_data;
2017         char buf[8];
2018         int buf_size;
2019         int trace;
2020
2021         memset(buf, 0, sizeof(buf));
2022         buf_size = min(count, sizeof(buf) -  1);
2023         if (copy_from_user(buf, user_buf, buf_size))
2024                 return -EFAULT;
2025         if (sscanf(buf, "%d", &trace) != 1)
2026                 return -EFAULT;
2027
2028         if (trace) {
2029                 priv->event_log.ucode_trace = true;
2030                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2031                 mod_timer(&priv->ucode_trace,
2032                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2033         } else {
2034                 priv->event_log.ucode_trace = false;
2035                 del_timer_sync(&priv->ucode_trace);
2036         }
2037
2038         return count;
2039 }
2040
2041 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2042                                          char __user *user_buf,
2043                                          size_t count, loff_t *ppos) {
2044
2045         struct iwl_priv *priv = file->private_data;
2046         int len = 0;
2047         char buf[20];
2048
2049         len = sprintf(buf, "0x%04X\n",
2050                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2051         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2052 }
2053
2054 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2055                                                 char __user *user_buf,
2056                                                 size_t count, loff_t *ppos) {
2057
2058         struct iwl_priv *priv = file->private_data;
2059         int len = 0;
2060         char buf[20];
2061
2062         len = sprintf(buf, "0x%04X\n",
2063                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2064         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2065 }
2066
2067 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2068                                         char __user *user_buf,
2069                                         size_t count, loff_t *ppos) {
2070
2071         struct iwl_priv *priv = file->private_data;
2072         int pos = 0;
2073         char buf[12];
2074         const size_t bufsz = sizeof(buf);
2075
2076         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2077                         priv->missed_beacon_threshold);
2078
2079         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2080 }
2081
2082 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2083                                          const char __user *user_buf,
2084                                          size_t count, loff_t *ppos)
2085 {
2086         struct iwl_priv *priv = file->private_data;
2087         char buf[8];
2088         int buf_size;
2089         int missed;
2090
2091         memset(buf, 0, sizeof(buf));
2092         buf_size = min(count, sizeof(buf) -  1);
2093         if (copy_from_user(buf, user_buf, buf_size))
2094                 return -EFAULT;
2095         if (sscanf(buf, "%d", &missed) != 1)
2096                 return -EINVAL;
2097
2098         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2099             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2100                 priv->missed_beacon_threshold =
2101                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2102         else
2103                 priv->missed_beacon_threshold = missed;
2104
2105         return count;
2106 }
2107
2108 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2109                                         char __user *user_buf,
2110                                         size_t count, loff_t *ppos) {
2111
2112         struct iwl_priv *priv = file->private_data;
2113         int pos = 0;
2114         char buf[12];
2115         const size_t bufsz = sizeof(buf);
2116
2117         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2118                         priv->cfg->base_params->plcp_delta_threshold);
2119
2120         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2121 }
2122
2123 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2124                                         const char __user *user_buf,
2125                                         size_t count, loff_t *ppos) {
2126
2127         struct iwl_priv *priv = file->private_data;
2128         char buf[8];
2129         int buf_size;
2130         int plcp;
2131
2132         memset(buf, 0, sizeof(buf));
2133         buf_size = min(count, sizeof(buf) -  1);
2134         if (copy_from_user(buf, user_buf, buf_size))
2135                 return -EFAULT;
2136         if (sscanf(buf, "%d", &plcp) != 1)
2137                 return -EINVAL;
2138         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2139                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2140                 priv->cfg->base_params->plcp_delta_threshold =
2141                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2142         else
2143                 priv->cfg->base_params->plcp_delta_threshold = plcp;
2144         return count;
2145 }
2146
2147 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2148                                         char __user *user_buf,
2149                                         size_t count, loff_t *ppos) {
2150
2151         struct iwl_priv *priv = file->private_data;
2152         int i, pos = 0;
2153         char buf[300];
2154         const size_t bufsz = sizeof(buf);
2155         struct iwl_force_reset *force_reset;
2156
2157         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2158                 force_reset = &priv->force_reset[i];
2159                 pos += scnprintf(buf + pos, bufsz - pos,
2160                                 "Force reset method %d\n", i);
2161                 pos += scnprintf(buf + pos, bufsz - pos,
2162                                 "\tnumber of reset request: %d\n",
2163                                 force_reset->reset_request_count);
2164                 pos += scnprintf(buf + pos, bufsz - pos,
2165                                 "\tnumber of reset request success: %d\n",
2166                                 force_reset->reset_success_count);
2167                 pos += scnprintf(buf + pos, bufsz - pos,
2168                                 "\tnumber of reset request reject: %d\n",
2169                                 force_reset->reset_reject_count);
2170                 pos += scnprintf(buf + pos, bufsz - pos,
2171                                 "\treset duration: %lu\n",
2172                                 force_reset->reset_duration);
2173         }
2174         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2175 }
2176
2177 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2178                                         const char __user *user_buf,
2179                                         size_t count, loff_t *ppos) {
2180
2181         struct iwl_priv *priv = file->private_data;
2182         char buf[8];
2183         int buf_size;
2184         int reset, ret;
2185
2186         memset(buf, 0, sizeof(buf));
2187         buf_size = min(count, sizeof(buf) -  1);
2188         if (copy_from_user(buf, user_buf, buf_size))
2189                 return -EFAULT;
2190         if (sscanf(buf, "%d", &reset) != 1)
2191                 return -EINVAL;
2192         switch (reset) {
2193         case IWL_RF_RESET:
2194         case IWL_FW_RESET:
2195                 ret = iwl_force_reset(priv, reset, true);
2196                 break;
2197         default:
2198                 return -EINVAL;
2199         }
2200         return ret ? ret : count;
2201 }
2202
2203 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2204                                         const char __user *user_buf,
2205                                         size_t count, loff_t *ppos) {
2206
2207         struct iwl_priv *priv = file->private_data;
2208         char buf[8];
2209         int buf_size;
2210         int flush;
2211
2212         memset(buf, 0, sizeof(buf));
2213         buf_size = min(count, sizeof(buf) -  1);
2214         if (copy_from_user(buf, user_buf, buf_size))
2215                 return -EFAULT;
2216         if (sscanf(buf, "%d", &flush) != 1)
2217                 return -EINVAL;
2218
2219         if (iwl_is_rfkill(priv->shrd))
2220                 return -EFAULT;
2221
2222         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2223
2224         return count;
2225 }
2226
2227 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2228                                         const char __user *user_buf,
2229                                         size_t count, loff_t *ppos) {
2230
2231         struct iwl_priv *priv = file->private_data;
2232         char buf[8];
2233         int buf_size;
2234         int timeout;
2235
2236         memset(buf, 0, sizeof(buf));
2237         buf_size = min(count, sizeof(buf) -  1);
2238         if (copy_from_user(buf, user_buf, buf_size))
2239                 return -EFAULT;
2240         if (sscanf(buf, "%d", &timeout) != 1)
2241                 return -EINVAL;
2242         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2243                 timeout = IWL_DEF_WD_TIMEOUT;
2244
2245         priv->cfg->base_params->wd_timeout = timeout;
2246         iwl_setup_watchdog(priv);
2247         return count;
2248 }
2249
2250 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2251                                         char __user *user_buf,
2252                                         size_t count, loff_t *ppos) {
2253
2254         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2255         int pos = 0;
2256         char buf[200];
2257         const size_t bufsz = sizeof(buf);
2258
2259         if (!priv->bt_enable_flag) {
2260                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2261                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2262         }
2263         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2264                 priv->bt_enable_flag);
2265         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2266                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2267         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2268                          "last traffic notif: %d\n",
2269                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2270         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2271                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2272                 priv->bt_ch_announce, priv->kill_ack_mask,
2273                 priv->kill_cts_mask);
2274
2275         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2276         switch (priv->bt_traffic_load) {
2277         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2278                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2279                 break;
2280         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2281                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2282                 break;
2283         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2284                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2285                 break;
2286         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2287         default:
2288                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2289                 break;
2290         }
2291
2292         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2293 }
2294
2295 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2296                                         char __user *user_buf,
2297                                         size_t count, loff_t *ppos)
2298 {
2299         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2300
2301         int pos = 0;
2302         char buf[40];
2303         const size_t bufsz = sizeof(buf);
2304
2305         if (priv->cfg->ht_params)
2306                 pos += scnprintf(buf + pos, bufsz - pos,
2307                          "use %s for aggregation\n",
2308                          (priv->cfg->ht_params->use_rts_for_aggregation) ?
2309                                 "rts/cts" : "cts-to-self");
2310         else
2311                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2312
2313         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2314 }
2315
2316 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2317                                         const char __user *user_buf,
2318                                         size_t count, loff_t *ppos) {
2319
2320         struct iwl_priv *priv = file->private_data;
2321         char buf[8];
2322         int buf_size;
2323         int rts;
2324
2325         if (!priv->cfg->ht_params)
2326                 return -EINVAL;
2327
2328         memset(buf, 0, sizeof(buf));
2329         buf_size = min(count, sizeof(buf) -  1);
2330         if (copy_from_user(buf, user_buf, buf_size))
2331                 return -EFAULT;
2332         if (sscanf(buf, "%d", &rts) != 1)
2333                 return -EINVAL;
2334         if (rts)
2335                 priv->cfg->ht_params->use_rts_for_aggregation = true;
2336         else
2337                 priv->cfg->ht_params->use_rts_for_aggregation = false;
2338         return count;
2339 }
2340
2341 DEBUGFS_READ_FILE_OPS(rx_statistics);
2342 DEBUGFS_READ_FILE_OPS(tx_statistics);
2343 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2344 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2345 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2346 DEBUGFS_READ_FILE_OPS(sensitivity);
2347 DEBUGFS_READ_FILE_OPS(chain_noise);
2348 DEBUGFS_READ_FILE_OPS(power_save_status);
2349 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2350 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2351 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2352 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2353 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2354 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2355 DEBUGFS_READ_FILE_OPS(rxon_flags);
2356 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2357 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2358 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2359 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2360 DEBUGFS_READ_FILE_OPS(bt_traffic);
2361 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2362 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2363
2364 /*
2365  * Create the debugfs files and directories
2366  *
2367  */
2368 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2369 {
2370         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2371         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2372
2373         dir_drv = debugfs_create_dir(name, phyd);
2374         if (!dir_drv)
2375                 return -ENOMEM;
2376
2377         priv->debugfs_dir = dir_drv;
2378
2379         dir_data = debugfs_create_dir("data", dir_drv);
2380         if (!dir_data)
2381                 goto err;
2382         dir_rf = debugfs_create_dir("rf", dir_drv);
2383         if (!dir_rf)
2384                 goto err;
2385         dir_debug = debugfs_create_dir("debug", dir_drv);
2386         if (!dir_debug)
2387                 goto err;
2388
2389         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2390         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2391         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2392         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2393         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2394         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2395         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2396         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2397         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2398         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2399         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2400         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2401         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2402         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2403         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2404         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2405         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2406         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2407         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2408         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2409         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2410         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2411         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2412         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2413         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2414
2415         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2416         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2417         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2418         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2419         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2420         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2421         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2422         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2423         if (iwl_advanced_bt_coexist(priv))
2424                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2425         DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2426                          &priv->disable_sens_cal);
2427         DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2428                          &priv->disable_chain_noise_cal);
2429
2430         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2431                 goto err;
2432         return 0;
2433
2434 err:
2435         IWL_ERR(priv, "Can't create the debugfs directory\n");
2436         iwl_dbgfs_unregister(priv);
2437         return -ENOMEM;
2438 }
2439
2440 /**
2441  * Remove the debugfs files and directories
2442  *
2443  */
2444 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2445 {
2446         if (!priv->debugfs_dir)
2447                 return;
2448
2449         debugfs_remove_recursive(priv->debugfs_dir);
2450         priv->debugfs_dir = NULL;
2451 }
2452
2453
2454