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 ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 808                                          char __user *user_buf,
 809                                          size_t count, loff_t *ppos)
 810 {
 811         struct iwl_priv *priv = file->private_data;
 812         int pos = 0, ofs = 0;
 813         int cnt = 0, entry;
 814
 815         char *buf;
 816         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 817                 (hw_params(priv).max_txq_num * 32 * 8) + 400;
 818         const u8 *ptr;
 819         ssize_t ret;
 820
 821         buf = kzalloc(bufsz, GFP_KERNEL);
 822         if (!buf) {
 823                 IWL_ERR(priv, "Can not allocate buffer\n");
 824                 return -ENOMEM;
 825         }
 826         if (priv->tx_traffic &&
 827                 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
 828                 ptr = priv->tx_traffic;
 829                 pos += scnprintf(buf + pos, bufsz - pos,
 830                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 831                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 832                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 833                              entry++,  ofs += 16) {
 834                                 pos += scnprintf(buf + pos, bufsz - pos,
 835                                                 "0x%.4x ", ofs);
 836                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 837                                                    buf + pos, bufsz - pos, 0);
 838                                 pos += strlen(buf + pos);
 839                                 if (bufsz - pos > 0)
 840                                         buf[pos++] = '\n';
 841                         }
 842                 }
 843         }
 844
 845         if (priv->rx_traffic &&
 846                 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
 847                 ptr = priv->rx_traffic;
 848                 pos += scnprintf(buf + pos, bufsz - pos,
 849                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 850                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 851                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 852                              entry++,  ofs += 16) {
 853                                 pos += scnprintf(buf + pos, bufsz - pos,
 854                                                 "0x%.4x ", ofs);
 855                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 856                                                    buf + pos, bufsz - pos, 0);
 857                                 pos += strlen(buf + pos);
 858                                 if (bufsz - pos > 0)
 859                                         buf[pos++] = '\n';
 860                         }
 861                 }
 862         }
 863
 864         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 865         kfree(buf);
 866         return ret;
 867 }
 868
 869 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 870                                          const char __user *user_buf,
 871                                          size_t count, loff_t *ppos)
 872 {
 873         struct iwl_priv *priv = file->private_data;
 874         char buf[8];
 875         int buf_size;
 876         int traffic_log;
 877
 878         memset(buf, 0, sizeof(buf));
 879         buf_size = min(count, sizeof(buf) -  1);
 880         if (copy_from_user(buf, user_buf, buf_size))
 881                 return -EFAULT;
 882         if (sscanf(buf, "%d", &traffic_log) != 1)
 883                 return -EFAULT;
 884         if (traffic_log == 0)
 885                 iwl_reset_traffic_log(priv);
 886
 887         return count;
 888 }
 889
 890 static const char *fmt_value = "  %-30s %10u\n";
 891 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 892 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 893 static const char *fmt_header =
 894         "%-32s    current  cumulative       delta         max\n";
 895
 896 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 897 {
 898         int p = 0;
 899         u32 flag;
 900
 901         flag = le32_to_cpu(priv->statistics.flag);
 902
 903         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 904         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 905                 p += scnprintf(buf + p, bufsz - p,
 906                 "\tStatistics have been cleared\n");
 907         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 908                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 909                 ? "2.4 GHz" : "5.2 GHz");
 910         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 911                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 912                  ? "enabled" : "disabled");
 913
 914         return p;
 915 }
 916
 917 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 918                                         char __user *user_buf,
 919                                         size_t count, loff_t *ppos)
 920 {
 921         struct iwl_priv *priv = file->private_data;
 922         int pos = 0;
 923         char *buf;
 924         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 925                     sizeof(struct statistics_rx_non_phy) * 40 +
 926                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 927         ssize_t ret;
 928         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 929         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 930         struct statistics_rx_non_phy *general, *accum_general;
 931         struct statistics_rx_non_phy *delta_general, *max_general;
 932         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 933
 934         if (!iwl_is_alive(priv->shrd))
 935                 return -EAGAIN;
 936
 937         buf = kzalloc(bufsz, GFP_KERNEL);
 938         if (!buf) {
 939                 IWL_ERR(priv, "Can not allocate Buffer\n");
 940                 return -ENOMEM;
 941         }
 942
 943         /*
 944          * the statistic information display here is based on
 945          * the last statistics notification from uCode
 946          * might not reflect the current uCode activity
 947          */
 948         ofdm = &priv->statistics.rx_ofdm;
 949         cck = &priv->statistics.rx_cck;
 950         general = &priv->statistics.rx_non_phy;
 951         ht = &priv->statistics.rx_ofdm_ht;
 952         accum_ofdm = &priv->accum_stats.rx_ofdm;
 953         accum_cck = &priv->accum_stats.rx_cck;
 954         accum_general = &priv->accum_stats.rx_non_phy;
 955         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 956         delta_ofdm = &priv->delta_stats.rx_ofdm;
 957         delta_cck = &priv->delta_stats.rx_cck;
 958         delta_general = &priv->delta_stats.rx_non_phy;
 959         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 960         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 961         max_cck = &priv->max_delta_stats.rx_cck;
 962         max_general = &priv->max_delta_stats.rx_non_phy;
 963         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 964
 965         pos += iwl_statistics_flag(priv, buf, bufsz);
 966         pos += scnprintf(buf + pos, bufsz - pos,
 967                          fmt_header, "Statistics_Rx - OFDM:");
 968         pos += scnprintf(buf + pos, bufsz - pos,
 969                          fmt_table, "ina_cnt:",
 970                          le32_to_cpu(ofdm->ina_cnt),
 971                          accum_ofdm->ina_cnt,
 972                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 973         pos += scnprintf(buf + pos, bufsz - pos,
 974                          fmt_table, "fina_cnt:",
 975                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 976                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 977         pos += scnprintf(buf + pos, bufsz - pos,
 978                          fmt_table, "plcp_err:",
 979                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 980                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 981         pos += scnprintf(buf + pos, bufsz - pos,
 982                          fmt_table, "crc32_err:",
 983                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 984                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 985         pos += scnprintf(buf + pos, bufsz - pos,
 986                          fmt_table, "overrun_err:",
 987                          le32_to_cpu(ofdm->overrun_err),
 988                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 989                          max_ofdm->overrun_err);
 990         pos += scnprintf(buf + pos, bufsz - pos,
 991                          fmt_table, "early_overrun_err:",
 992                          le32_to_cpu(ofdm->early_overrun_err),
 993                          accum_ofdm->early_overrun_err,
 994                          delta_ofdm->early_overrun_err,
 995                          max_ofdm->early_overrun_err);
 996         pos += scnprintf(buf + pos, bufsz - pos,
 997                          fmt_table, "crc32_good:",
 998                          le32_to_cpu(ofdm->crc32_good),
 999                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1000                          max_ofdm->crc32_good);
1001         pos += scnprintf(buf + pos, bufsz - pos,
1002                          fmt_table, "false_alarm_cnt:",
1003                          le32_to_cpu(ofdm->false_alarm_cnt),
1004                          accum_ofdm->false_alarm_cnt,
1005                          delta_ofdm->false_alarm_cnt,
1006                          max_ofdm->false_alarm_cnt);
1007         pos += scnprintf(buf + pos, bufsz - pos,
1008                          fmt_table, "fina_sync_err_cnt:",
1009                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1010                          accum_ofdm->fina_sync_err_cnt,
1011                          delta_ofdm->fina_sync_err_cnt,
1012                          max_ofdm->fina_sync_err_cnt);
1013         pos += scnprintf(buf + pos, bufsz - pos,
1014                          fmt_table, "sfd_timeout:",
1015                          le32_to_cpu(ofdm->sfd_timeout),
1016                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1017                          max_ofdm->sfd_timeout);
1018         pos += scnprintf(buf + pos, bufsz - pos,
1019                          fmt_table, "fina_timeout:",
1020                          le32_to_cpu(ofdm->fina_timeout),
1021                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1022                          max_ofdm->fina_timeout);
1023         pos += scnprintf(buf + pos, bufsz - pos,
1024                          fmt_table, "unresponded_rts:",
1025                          le32_to_cpu(ofdm->unresponded_rts),
1026                          accum_ofdm->unresponded_rts,
1027                          delta_ofdm->unresponded_rts,
1028                          max_ofdm->unresponded_rts);
1029         pos += scnprintf(buf + pos, bufsz - pos,
1030                          fmt_table, "rxe_frame_lmt_ovrun:",
1031                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1032                          accum_ofdm->rxe_frame_limit_overrun,
1033                          delta_ofdm->rxe_frame_limit_overrun,
1034                          max_ofdm->rxe_frame_limit_overrun);
1035         pos += scnprintf(buf + pos, bufsz - pos,
1036                          fmt_table, "sent_ack_cnt:",
1037                          le32_to_cpu(ofdm->sent_ack_cnt),
1038                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1039                          max_ofdm->sent_ack_cnt);
1040         pos += scnprintf(buf + pos, bufsz - pos,
1041                          fmt_table, "sent_cts_cnt:",
1042                          le32_to_cpu(ofdm->sent_cts_cnt),
1043                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1044                          max_ofdm->sent_cts_cnt);
1045         pos += scnprintf(buf + pos, bufsz - pos,
1046                          fmt_table, "sent_ba_rsp_cnt:",
1047                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1048                          accum_ofdm->sent_ba_rsp_cnt,
1049                          delta_ofdm->sent_ba_rsp_cnt,
1050                          max_ofdm->sent_ba_rsp_cnt);
1051         pos += scnprintf(buf + pos, bufsz - pos,
1052                          fmt_table, "dsp_self_kill:",
1053                          le32_to_cpu(ofdm->dsp_self_kill),
1054                          accum_ofdm->dsp_self_kill,
1055                          delta_ofdm->dsp_self_kill,
1056                          max_ofdm->dsp_self_kill);
1057         pos += scnprintf(buf + pos, bufsz - pos,
1058                          fmt_table, "mh_format_err:",
1059                          le32_to_cpu(ofdm->mh_format_err),
1060                          accum_ofdm->mh_format_err,
1061                          delta_ofdm->mh_format_err,
1062                          max_ofdm->mh_format_err);
1063         pos += scnprintf(buf + pos, bufsz - pos,
1064                          fmt_table, "re_acq_main_rssi_sum:",
1065                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1066                          accum_ofdm->re_acq_main_rssi_sum,
1067                          delta_ofdm->re_acq_main_rssi_sum,
1068                          max_ofdm->re_acq_main_rssi_sum);
1069
1070         pos += scnprintf(buf + pos, bufsz - pos,
1071                          fmt_header, "Statistics_Rx - CCK:");
1072         pos += scnprintf(buf + pos, bufsz - pos,
1073                          fmt_table, "ina_cnt:",
1074                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1075                          delta_cck->ina_cnt, max_cck->ina_cnt);
1076         pos += scnprintf(buf + pos, bufsz - pos,
1077                          fmt_table, "fina_cnt:",
1078                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1079                          delta_cck->fina_cnt, max_cck->fina_cnt);
1080         pos += scnprintf(buf + pos, bufsz - pos,
1081                          fmt_table, "plcp_err:",
1082                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1083                          delta_cck->plcp_err, max_cck->plcp_err);
1084         pos += scnprintf(buf + pos, bufsz - pos,
1085                          fmt_table, "crc32_err:",
1086                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1087                          delta_cck->crc32_err, max_cck->crc32_err);
1088         pos += scnprintf(buf + pos, bufsz - pos,
1089                          fmt_table, "overrun_err:",
1090                          le32_to_cpu(cck->overrun_err),
1091                          accum_cck->overrun_err, delta_cck->overrun_err,
1092                          max_cck->overrun_err);
1093         pos += scnprintf(buf + pos, bufsz - pos,
1094                          fmt_table, "early_overrun_err:",
1095                          le32_to_cpu(cck->early_overrun_err),
1096                          accum_cck->early_overrun_err,
1097                          delta_cck->early_overrun_err,
1098                          max_cck->early_overrun_err);
1099         pos += scnprintf(buf + pos, bufsz - pos,
1100                          fmt_table, "crc32_good:",
1101                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1102                          delta_cck->crc32_good, max_cck->crc32_good);
1103         pos += scnprintf(buf + pos, bufsz - pos,
1104                          fmt_table, "false_alarm_cnt:",
1105                          le32_to_cpu(cck->false_alarm_cnt),
1106                          accum_cck->false_alarm_cnt,
1107                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1108         pos += scnprintf(buf + pos, bufsz - pos,
1109                          fmt_table, "fina_sync_err_cnt:",
1110                          le32_to_cpu(cck->fina_sync_err_cnt),
1111                          accum_cck->fina_sync_err_cnt,
1112                          delta_cck->fina_sync_err_cnt,
1113                          max_cck->fina_sync_err_cnt);
1114         pos += scnprintf(buf + pos, bufsz - pos,
1115                          fmt_table, "sfd_timeout:",
1116                          le32_to_cpu(cck->sfd_timeout),
1117                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1118                          max_cck->sfd_timeout);
1119         pos += scnprintf(buf + pos, bufsz - pos,
1120                          fmt_table, "fina_timeout:",
1121                          le32_to_cpu(cck->fina_timeout),
1122                          accum_cck->fina_timeout, delta_cck->fina_timeout,
1123                          max_cck->fina_timeout);
1124         pos += scnprintf(buf + pos, bufsz - pos,
1125                          fmt_table, "unresponded_rts:",
1126                          le32_to_cpu(cck->unresponded_rts),
1127                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1128                          max_cck->unresponded_rts);
1129         pos += scnprintf(buf + pos, bufsz - pos,
1130                          fmt_table, "rxe_frame_lmt_ovrun:",
1131                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1132                          accum_cck->rxe_frame_limit_overrun,
1133                          delta_cck->rxe_frame_limit_overrun,
1134                          max_cck->rxe_frame_limit_overrun);
1135         pos += scnprintf(buf + pos, bufsz - pos,
1136                          fmt_table, "sent_ack_cnt:",
1137                          le32_to_cpu(cck->sent_ack_cnt),
1138                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1139                          max_cck->sent_ack_cnt);
1140         pos += scnprintf(buf + pos, bufsz - pos,
1141                          fmt_table, "sent_cts_cnt:",
1142                          le32_to_cpu(cck->sent_cts_cnt),
1143                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1144                          max_cck->sent_cts_cnt);
1145         pos += scnprintf(buf + pos, bufsz - pos,
1146                          fmt_table, "sent_ba_rsp_cnt:",
1147                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1148                          accum_cck->sent_ba_rsp_cnt,
1149                          delta_cck->sent_ba_rsp_cnt,
1150                          max_cck->sent_ba_rsp_cnt);
1151         pos += scnprintf(buf + pos, bufsz - pos,
1152                          fmt_table, "dsp_self_kill:",
1153                          le32_to_cpu(cck->dsp_self_kill),
1154                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1155                          max_cck->dsp_self_kill);
1156         pos += scnprintf(buf + pos, bufsz - pos,
1157                          fmt_table, "mh_format_err:",
1158                          le32_to_cpu(cck->mh_format_err),
1159                          accum_cck->mh_format_err, delta_cck->mh_format_err,
1160                          max_cck->mh_format_err);
1161         pos += scnprintf(buf + pos, bufsz - pos,
1162                          fmt_table, "re_acq_main_rssi_sum:",
1163                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1164                          accum_cck->re_acq_main_rssi_sum,
1165                          delta_cck->re_acq_main_rssi_sum,
1166                          max_cck->re_acq_main_rssi_sum);
1167
1168         pos += scnprintf(buf + pos, bufsz - pos,
1169                          fmt_header, "Statistics_Rx - GENERAL:");
1170         pos += scnprintf(buf + pos, bufsz - pos,
1171                          fmt_table, "bogus_cts:",
1172                          le32_to_cpu(general->bogus_cts),
1173                          accum_general->bogus_cts, delta_general->bogus_cts,
1174                          max_general->bogus_cts);
1175         pos += scnprintf(buf + pos, bufsz - pos,
1176                          fmt_table, "bogus_ack:",
1177                          le32_to_cpu(general->bogus_ack),
1178                          accum_general->bogus_ack, delta_general->bogus_ack,
1179                          max_general->bogus_ack);
1180         pos += scnprintf(buf + pos, bufsz - pos,
1181                          fmt_table, "non_bssid_frames:",
1182                          le32_to_cpu(general->non_bssid_frames),
1183                          accum_general->non_bssid_frames,
1184                          delta_general->non_bssid_frames,
1185                          max_general->non_bssid_frames);
1186         pos += scnprintf(buf + pos, bufsz - pos,
1187                          fmt_table, "filtered_frames:",
1188                          le32_to_cpu(general->filtered_frames),
1189                          accum_general->filtered_frames,
1190                          delta_general->filtered_frames,
1191                          max_general->filtered_frames);
1192         pos += scnprintf(buf + pos, bufsz - pos,
1193                          fmt_table, "non_channel_beacons:",
1194                          le32_to_cpu(general->non_channel_beacons),
1195                          accum_general->non_channel_beacons,
1196                          delta_general->non_channel_beacons,
1197                          max_general->non_channel_beacons);
1198         pos += scnprintf(buf + pos, bufsz - pos,
1199                          fmt_table, "channel_beacons:",
1200                          le32_to_cpu(general->channel_beacons),
1201                          accum_general->channel_beacons,
1202                          delta_general->channel_beacons,
1203                          max_general->channel_beacons);
1204         pos += scnprintf(buf + pos, bufsz - pos,
1205                          fmt_table, "num_missed_bcon:",
1206                          le32_to_cpu(general->num_missed_bcon),
1207                          accum_general->num_missed_bcon,
1208                          delta_general->num_missed_bcon,
1209                          max_general->num_missed_bcon);
1210         pos += scnprintf(buf + pos, bufsz - pos,
1211                          fmt_table, "adc_rx_saturation_time:",
1212                          le32_to_cpu(general->adc_rx_saturation_time),
1213                          accum_general->adc_rx_saturation_time,
1214                          delta_general->adc_rx_saturation_time,
1215                          max_general->adc_rx_saturation_time);
1216         pos += scnprintf(buf + pos, bufsz - pos,
1217                          fmt_table, "ina_detect_search_tm:",
1218                          le32_to_cpu(general->ina_detection_search_time),
1219                          accum_general->ina_detection_search_time,
1220                          delta_general->ina_detection_search_time,
1221                          max_general->ina_detection_search_time);
1222         pos += scnprintf(buf + pos, bufsz - pos,
1223                          fmt_table, "beacon_silence_rssi_a:",
1224                          le32_to_cpu(general->beacon_silence_rssi_a),
1225                          accum_general->beacon_silence_rssi_a,
1226                          delta_general->beacon_silence_rssi_a,
1227                          max_general->beacon_silence_rssi_a);
1228         pos += scnprintf(buf + pos, bufsz - pos,
1229                          fmt_table, "beacon_silence_rssi_b:",
1230                          le32_to_cpu(general->beacon_silence_rssi_b),
1231                          accum_general->beacon_silence_rssi_b,
1232                          delta_general->beacon_silence_rssi_b,
1233                          max_general->beacon_silence_rssi_b);
1234         pos += scnprintf(buf + pos, bufsz - pos,
1235                          fmt_table, "beacon_silence_rssi_c:",
1236                          le32_to_cpu(general->beacon_silence_rssi_c),
1237                          accum_general->beacon_silence_rssi_c,
1238                          delta_general->beacon_silence_rssi_c,
1239                          max_general->beacon_silence_rssi_c);
1240         pos += scnprintf(buf + pos, bufsz - pos,
1241                          fmt_table, "interference_data_flag:",
1242                          le32_to_cpu(general->interference_data_flag),
1243                          accum_general->interference_data_flag,
1244                          delta_general->interference_data_flag,
1245                          max_general->interference_data_flag);
1246         pos += scnprintf(buf + pos, bufsz - pos,
1247                          fmt_table, "channel_load:",
1248                          le32_to_cpu(general->channel_load),
1249                          accum_general->channel_load,
1250                          delta_general->channel_load,
1251                          max_general->channel_load);
1252         pos += scnprintf(buf + pos, bufsz - pos,
1253                          fmt_table, "dsp_false_alarms:",
1254                          le32_to_cpu(general->dsp_false_alarms),
1255                          accum_general->dsp_false_alarms,
1256                          delta_general->dsp_false_alarms,
1257                          max_general->dsp_false_alarms);
1258         pos += scnprintf(buf + pos, bufsz - pos,
1259                          fmt_table, "beacon_rssi_a:",
1260                          le32_to_cpu(general->beacon_rssi_a),
1261                          accum_general->beacon_rssi_a,
1262                          delta_general->beacon_rssi_a,
1263                          max_general->beacon_rssi_a);
1264         pos += scnprintf(buf + pos, bufsz - pos,
1265                          fmt_table, "beacon_rssi_b:",
1266                          le32_to_cpu(general->beacon_rssi_b),
1267                          accum_general->beacon_rssi_b,
1268                          delta_general->beacon_rssi_b,
1269                          max_general->beacon_rssi_b);
1270         pos += scnprintf(buf + pos, bufsz - pos,
1271                          fmt_table, "beacon_rssi_c:",
1272                          le32_to_cpu(general->beacon_rssi_c),
1273                          accum_general->beacon_rssi_c,
1274                          delta_general->beacon_rssi_c,
1275                          max_general->beacon_rssi_c);
1276         pos += scnprintf(buf + pos, bufsz - pos,
1277                          fmt_table, "beacon_energy_a:",
1278                          le32_to_cpu(general->beacon_energy_a),
1279                          accum_general->beacon_energy_a,
1280                          delta_general->beacon_energy_a,
1281                          max_general->beacon_energy_a);
1282         pos += scnprintf(buf + pos, bufsz - pos,
1283                          fmt_table, "beacon_energy_b:",
1284                          le32_to_cpu(general->beacon_energy_b),
1285                          accum_general->beacon_energy_b,
1286                          delta_general->beacon_energy_b,
1287                          max_general->beacon_energy_b);
1288         pos += scnprintf(buf + pos, bufsz - pos,
1289                          fmt_table, "beacon_energy_c:",
1290                          le32_to_cpu(general->beacon_energy_c),
1291                          accum_general->beacon_energy_c,
1292                          delta_general->beacon_energy_c,
1293                          max_general->beacon_energy_c);
1294
1295         pos += scnprintf(buf + pos, bufsz - pos,
1296                          fmt_header, "Statistics_Rx - OFDM_HT:");
1297         pos += scnprintf(buf + pos, bufsz - pos,
1298                          fmt_table, "plcp_err:",
1299                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1300                          delta_ht->plcp_err, max_ht->plcp_err);
1301         pos += scnprintf(buf + pos, bufsz - pos,
1302                          fmt_table, "overrun_err:",
1303                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1304                          delta_ht->overrun_err, max_ht->overrun_err);
1305         pos += scnprintf(buf + pos, bufsz - pos,
1306                          fmt_table, "early_overrun_err:",
1307                          le32_to_cpu(ht->early_overrun_err),
1308                          accum_ht->early_overrun_err,
1309                          delta_ht->early_overrun_err,
1310                          max_ht->early_overrun_err);
1311         pos += scnprintf(buf + pos, bufsz - pos,
1312                          fmt_table, "crc32_good:",
1313                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1314                          delta_ht->crc32_good, max_ht->crc32_good);
1315         pos += scnprintf(buf + pos, bufsz - pos,
1316                          fmt_table, "crc32_err:",
1317                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1318                          delta_ht->crc32_err, max_ht->crc32_err);
1319         pos += scnprintf(buf + pos, bufsz - pos,
1320                          fmt_table, "mh_format_err:",
1321                          le32_to_cpu(ht->mh_format_err),
1322                          accum_ht->mh_format_err,
1323                          delta_ht->mh_format_err, max_ht->mh_format_err);
1324         pos += scnprintf(buf + pos, bufsz - pos,
1325                          fmt_table, "agg_crc32_good:",
1326                          le32_to_cpu(ht->agg_crc32_good),
1327                          accum_ht->agg_crc32_good,
1328                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1329         pos += scnprintf(buf + pos, bufsz - pos,
1330                          fmt_table, "agg_mpdu_cnt:",
1331                          le32_to_cpu(ht->agg_mpdu_cnt),
1332                          accum_ht->agg_mpdu_cnt,
1333                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1334         pos += scnprintf(buf + pos, bufsz - pos,
1335                          fmt_table, "agg_cnt:",
1336                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1337                          delta_ht->agg_cnt, max_ht->agg_cnt);
1338         pos += scnprintf(buf + pos, bufsz - pos,
1339                          fmt_table, "unsupport_mcs:",
1340                          le32_to_cpu(ht->unsupport_mcs),
1341                          accum_ht->unsupport_mcs,
1342                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1343
1344         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1345         kfree(buf);
1346         return ret;
1347 }
1348
1349 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1350                                         char __user *user_buf,
1351                                         size_t count, loff_t *ppos)
1352 {
1353         struct iwl_priv *priv = file->private_data;
1354         int pos = 0;
1355         char *buf;
1356         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1357         ssize_t ret;
1358         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1359
1360         if (!iwl_is_alive(priv->shrd))
1361                 return -EAGAIN;
1362
1363         buf = kzalloc(bufsz, GFP_KERNEL);
1364         if (!buf) {
1365                 IWL_ERR(priv, "Can not allocate Buffer\n");
1366                 return -ENOMEM;
1367         }
1368
1369         /* the statistic information display here is based on
1370          * the last statistics notification from uCode
1371          * might not reflect the current uCode activity
1372          */
1373         tx = &priv->statistics.tx;
1374         accum_tx = &priv->accum_stats.tx;
1375         delta_tx = &priv->delta_stats.tx;
1376         max_tx = &priv->max_delta_stats.tx;
1377
1378         pos += iwl_statistics_flag(priv, buf, bufsz);
1379         pos += scnprintf(buf + pos, bufsz - pos,
1380                          fmt_header, "Statistics_Tx:");
1381         pos += scnprintf(buf + pos, bufsz - pos,
1382                          fmt_table, "preamble:",
1383                          le32_to_cpu(tx->preamble_cnt),
1384                          accum_tx->preamble_cnt,
1385                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1386         pos += scnprintf(buf + pos, bufsz - pos,
1387                          fmt_table, "rx_detected_cnt:",
1388                          le32_to_cpu(tx->rx_detected_cnt),
1389                          accum_tx->rx_detected_cnt,
1390                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1391         pos += scnprintf(buf + pos, bufsz - pos,
1392                          fmt_table, "bt_prio_defer_cnt:",
1393                          le32_to_cpu(tx->bt_prio_defer_cnt),
1394                          accum_tx->bt_prio_defer_cnt,
1395                          delta_tx->bt_prio_defer_cnt,
1396                          max_tx->bt_prio_defer_cnt);
1397         pos += scnprintf(buf + pos, bufsz - pos,
1398                          fmt_table, "bt_prio_kill_cnt:",
1399                          le32_to_cpu(tx->bt_prio_kill_cnt),
1400                          accum_tx->bt_prio_kill_cnt,
1401                          delta_tx->bt_prio_kill_cnt,
1402                          max_tx->bt_prio_kill_cnt);
1403         pos += scnprintf(buf + pos, bufsz - pos,
1404                          fmt_table, "few_bytes_cnt:",
1405                          le32_to_cpu(tx->few_bytes_cnt),
1406                          accum_tx->few_bytes_cnt,
1407                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1408         pos += scnprintf(buf + pos, bufsz - pos,
1409                          fmt_table, "cts_timeout:",
1410                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1411                          delta_tx->cts_timeout, max_tx->cts_timeout);
1412         pos += scnprintf(buf + pos, bufsz - pos,
1413                          fmt_table, "ack_timeout:",
1414                          le32_to_cpu(tx->ack_timeout),
1415                          accum_tx->ack_timeout,
1416                          delta_tx->ack_timeout, max_tx->ack_timeout);
1417         pos += scnprintf(buf + pos, bufsz - pos,
1418                          fmt_table, "expected_ack_cnt:",
1419                          le32_to_cpu(tx->expected_ack_cnt),
1420                          accum_tx->expected_ack_cnt,
1421                          delta_tx->expected_ack_cnt,
1422                          max_tx->expected_ack_cnt);
1423         pos += scnprintf(buf + pos, bufsz - pos,
1424                          fmt_table, "actual_ack_cnt:",
1425                          le32_to_cpu(tx->actual_ack_cnt),
1426                          accum_tx->actual_ack_cnt,
1427                          delta_tx->actual_ack_cnt,
1428                          max_tx->actual_ack_cnt);
1429         pos += scnprintf(buf + pos, bufsz - pos,
1430                          fmt_table, "dump_msdu_cnt:",
1431                          le32_to_cpu(tx->dump_msdu_cnt),
1432                          accum_tx->dump_msdu_cnt,
1433                          delta_tx->dump_msdu_cnt,
1434                          max_tx->dump_msdu_cnt);
1435         pos += scnprintf(buf + pos, bufsz - pos,
1436                          fmt_table, "abort_nxt_frame_mismatch:",
1437                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1438                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1439                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1440                          max_tx->burst_abort_next_frame_mismatch_cnt);
1441         pos += scnprintf(buf + pos, bufsz - pos,
1442                          fmt_table, "abort_missing_nxt_frame:",
1443                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1444                          accum_tx->burst_abort_missing_next_frame_cnt,
1445                          delta_tx->burst_abort_missing_next_frame_cnt,
1446                          max_tx->burst_abort_missing_next_frame_cnt);
1447         pos += scnprintf(buf + pos, bufsz - pos,
1448                          fmt_table, "cts_timeout_collision:",
1449                          le32_to_cpu(tx->cts_timeout_collision),
1450                          accum_tx->cts_timeout_collision,
1451                          delta_tx->cts_timeout_collision,
1452                          max_tx->cts_timeout_collision);
1453         pos += scnprintf(buf + pos, bufsz - pos,
1454                          fmt_table, "ack_ba_timeout_collision:",
1455                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1456                          accum_tx->ack_or_ba_timeout_collision,
1457                          delta_tx->ack_or_ba_timeout_collision,
1458                          max_tx->ack_or_ba_timeout_collision);
1459         pos += scnprintf(buf + pos, bufsz - pos,
1460                          fmt_table, "agg ba_timeout:",
1461                          le32_to_cpu(tx->agg.ba_timeout),
1462                          accum_tx->agg.ba_timeout,
1463                          delta_tx->agg.ba_timeout,
1464                          max_tx->agg.ba_timeout);
1465         pos += scnprintf(buf + pos, bufsz - pos,
1466                          fmt_table, "agg ba_resched_frames:",
1467                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1468                          accum_tx->agg.ba_reschedule_frames,
1469                          delta_tx->agg.ba_reschedule_frames,
1470                          max_tx->agg.ba_reschedule_frames);
1471         pos += scnprintf(buf + pos, bufsz - pos,
1472                          fmt_table, "agg scd_query_agg_frame:",
1473                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1474                          accum_tx->agg.scd_query_agg_frame_cnt,
1475                          delta_tx->agg.scd_query_agg_frame_cnt,
1476                          max_tx->agg.scd_query_agg_frame_cnt);
1477         pos += scnprintf(buf + pos, bufsz - pos,
1478                          fmt_table, "agg scd_query_no_agg:",
1479                          le32_to_cpu(tx->agg.scd_query_no_agg),
1480                          accum_tx->agg.scd_query_no_agg,
1481                          delta_tx->agg.scd_query_no_agg,
1482                          max_tx->agg.scd_query_no_agg);
1483         pos += scnprintf(buf + pos, bufsz - pos,
1484                          fmt_table, "agg scd_query_agg:",
1485                          le32_to_cpu(tx->agg.scd_query_agg),
1486                          accum_tx->agg.scd_query_agg,
1487                          delta_tx->agg.scd_query_agg,
1488                          max_tx->agg.scd_query_agg);
1489         pos += scnprintf(buf + pos, bufsz - pos,
1490                          fmt_table, "agg scd_query_mismatch:",
1491                          le32_to_cpu(tx->agg.scd_query_mismatch),
1492                          accum_tx->agg.scd_query_mismatch,
1493                          delta_tx->agg.scd_query_mismatch,
1494                          max_tx->agg.scd_query_mismatch);
1495         pos += scnprintf(buf + pos, bufsz - pos,
1496                          fmt_table, "agg frame_not_ready:",
1497                          le32_to_cpu(tx->agg.frame_not_ready),
1498                          accum_tx->agg.frame_not_ready,
1499                          delta_tx->agg.frame_not_ready,
1500                          max_tx->agg.frame_not_ready);
1501         pos += scnprintf(buf + pos, bufsz - pos,
1502                          fmt_table, "agg underrun:",
1503                          le32_to_cpu(tx->agg.underrun),
1504                          accum_tx->agg.underrun,
1505                          delta_tx->agg.underrun, max_tx->agg.underrun);
1506         pos += scnprintf(buf + pos, bufsz - pos,
1507                          fmt_table, "agg bt_prio_kill:",
1508                          le32_to_cpu(tx->agg.bt_prio_kill),
1509                          accum_tx->agg.bt_prio_kill,
1510                          delta_tx->agg.bt_prio_kill,
1511                          max_tx->agg.bt_prio_kill);
1512         pos += scnprintf(buf + pos, bufsz - pos,
1513                          fmt_table, "agg rx_ba_rsp_cnt:",
1514                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1515                          accum_tx->agg.rx_ba_rsp_cnt,
1516                          delta_tx->agg.rx_ba_rsp_cnt,
1517                          max_tx->agg.rx_ba_rsp_cnt);
1518
1519         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1520                 pos += scnprintf(buf + pos, bufsz - pos,
1521                         "tx power: (1/2 dB step)\n");
1522                 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1523                         pos += scnprintf(buf + pos, bufsz - pos,
1524                                         fmt_hex, "antenna A:",
1525                                         tx->tx_power.ant_a);
1526                 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1527                         pos += scnprintf(buf + pos, bufsz - pos,
1528                                         fmt_hex, "antenna B:",
1529                                         tx->tx_power.ant_b);
1530                 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1531                         pos += scnprintf(buf + pos, bufsz - pos,
1532                                         fmt_hex, "antenna C:",
1533                                         tx->tx_power.ant_c);
1534         }
1535         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1536         kfree(buf);
1537         return ret;
1538 }
1539
1540 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1541                                         char __user *user_buf,
1542                                         size_t count, loff_t *ppos)
1543 {
1544         struct iwl_priv *priv = file->private_data;
1545         int pos = 0;
1546         char *buf;
1547         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1548         ssize_t ret;
1549         struct statistics_general_common *general, *accum_general;
1550         struct statistics_general_common *delta_general, *max_general;
1551         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1552         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1553
1554         if (!iwl_is_alive(priv->shrd))
1555                 return -EAGAIN;
1556
1557         buf = kzalloc(bufsz, GFP_KERNEL);
1558         if (!buf) {
1559                 IWL_ERR(priv, "Can not allocate Buffer\n");
1560                 return -ENOMEM;
1561         }
1562
1563         /* the statistic information display here is based on
1564          * the last statistics notification from uCode
1565          * might not reflect the current uCode activity
1566          */
1567         general = &priv->statistics.common;
1568         dbg = &priv->statistics.common.dbg;
1569         div = &priv->statistics.common.div;
1570         accum_general = &priv->accum_stats.common;
1571         accum_dbg = &priv->accum_stats.common.dbg;
1572         accum_div = &priv->accum_stats.common.div;
1573         delta_general = &priv->delta_stats.common;
1574         max_general = &priv->max_delta_stats.common;
1575         delta_dbg = &priv->delta_stats.common.dbg;
1576         max_dbg = &priv->max_delta_stats.common.dbg;
1577         delta_div = &priv->delta_stats.common.div;
1578         max_div = &priv->max_delta_stats.common.div;
1579
1580         pos += iwl_statistics_flag(priv, buf, bufsz);
1581         pos += scnprintf(buf + pos, bufsz - pos,
1582                          fmt_header, "Statistics_General:");
1583         pos += scnprintf(buf + pos, bufsz - pos,
1584                          fmt_value, "temperature:",
1585                          le32_to_cpu(general->temperature));
1586         pos += scnprintf(buf + pos, bufsz - pos,
1587                          fmt_value, "temperature_m:",
1588                          le32_to_cpu(general->temperature_m));
1589         pos += scnprintf(buf + pos, bufsz - pos,
1590                          fmt_value, "ttl_timestamp:",
1591                          le32_to_cpu(general->ttl_timestamp));
1592         pos += scnprintf(buf + pos, bufsz - pos,
1593                          fmt_table, "burst_check:",
1594                          le32_to_cpu(dbg->burst_check),
1595                          accum_dbg->burst_check,
1596                          delta_dbg->burst_check, max_dbg->burst_check);
1597         pos += scnprintf(buf + pos, bufsz - pos,
1598                          fmt_table, "burst_count:",
1599                          le32_to_cpu(dbg->burst_count),
1600                          accum_dbg->burst_count,
1601                          delta_dbg->burst_count, max_dbg->burst_count);
1602         pos += scnprintf(buf + pos, bufsz - pos,
1603                          fmt_table, "wait_for_silence_timeout_count:",
1604                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1605                          accum_dbg->wait_for_silence_timeout_cnt,
1606                          delta_dbg->wait_for_silence_timeout_cnt,
1607                          max_dbg->wait_for_silence_timeout_cnt);
1608         pos += scnprintf(buf + pos, bufsz - pos,
1609                          fmt_table, "sleep_time:",
1610                          le32_to_cpu(general->sleep_time),
1611                          accum_general->sleep_time,
1612                          delta_general->sleep_time, max_general->sleep_time);
1613         pos += scnprintf(buf + pos, bufsz - pos,
1614                          fmt_table, "slots_out:",
1615                          le32_to_cpu(general->slots_out),
1616                          accum_general->slots_out,
1617                          delta_general->slots_out, max_general->slots_out);
1618         pos += scnprintf(buf + pos, bufsz - pos,
1619                          fmt_table, "slots_idle:",
1620                          le32_to_cpu(general->slots_idle),
1621                          accum_general->slots_idle,
1622                          delta_general->slots_idle, max_general->slots_idle);
1623         pos += scnprintf(buf + pos, bufsz - pos,
1624                          fmt_table, "tx_on_a:",
1625                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1626                          delta_div->tx_on_a, max_div->tx_on_a);
1627         pos += scnprintf(buf + pos, bufsz - pos,
1628                          fmt_table, "tx_on_b:",
1629                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1630                          delta_div->tx_on_b, max_div->tx_on_b);
1631         pos += scnprintf(buf + pos, bufsz - pos,
1632                          fmt_table, "exec_time:",
1633                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1634                          delta_div->exec_time, max_div->exec_time);
1635         pos += scnprintf(buf + pos, bufsz - pos,
1636                          fmt_table, "probe_time:",
1637                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1638                          delta_div->probe_time, max_div->probe_time);
1639         pos += scnprintf(buf + pos, bufsz - pos,
1640                          fmt_table, "rx_enable_counter:",
1641                          le32_to_cpu(general->rx_enable_counter),
1642                          accum_general->rx_enable_counter,
1643                          delta_general->rx_enable_counter,
1644                          max_general->rx_enable_counter);
1645         pos += scnprintf(buf + pos, bufsz - pos,
1646                          fmt_table, "num_of_sos_states:",
1647                          le32_to_cpu(general->num_of_sos_states),
1648                          accum_general->num_of_sos_states,
1649                          delta_general->num_of_sos_states,
1650                          max_general->num_of_sos_states);
1651         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1652         kfree(buf);
1653         return ret;
1654 }
1655
1656 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1657                                         char __user *user_buf,
1658                                         size_t count, loff_t *ppos)
1659 {
1660         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1661         int pos = 0;
1662         char *buf;
1663         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1664         ssize_t ret;
1665         struct statistics_bt_activity *bt, *accum_bt;
1666
1667         if (!iwl_is_alive(priv->shrd))
1668                 return -EAGAIN;
1669
1670         if (!priv->bt_enable_flag)
1671                 return -EINVAL;
1672
1673         /* make request to uCode to retrieve statistics information */
1674         mutex_lock(&priv->shrd->mutex);
1675         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1676         mutex_unlock(&priv->shrd->mutex);
1677
1678         if (ret) {
1679                 IWL_ERR(priv,
1680                         "Error sending statistics request: %zd\n", ret);
1681                 return -EAGAIN;
1682         }
1683         buf = kzalloc(bufsz, GFP_KERNEL);
1684         if (!buf) {
1685                 IWL_ERR(priv, "Can not allocate Buffer\n");
1686                 return -ENOMEM;
1687         }
1688
1689         /*
1690          * the statistic information display here is based on
1691          * the last statistics notification from uCode
1692          * might not reflect the current uCode activity
1693          */
1694         bt = &priv->statistics.bt_activity;
1695         accum_bt = &priv->accum_stats.bt_activity;
1696
1697         pos += iwl_statistics_flag(priv, buf, bufsz);
1698         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1699         pos += scnprintf(buf + pos, bufsz - pos,
1700                         "\t\t\tcurrent\t\t\taccumulative\n");
1701         pos += scnprintf(buf + pos, bufsz - pos,
1702                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1703                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1704                          accum_bt->hi_priority_tx_req_cnt);
1705         pos += scnprintf(buf + pos, bufsz - pos,
1706                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1707                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1708                          accum_bt->hi_priority_tx_denied_cnt);
1709         pos += scnprintf(buf + pos, bufsz - pos,
1710                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1711                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1712                          accum_bt->lo_priority_tx_req_cnt);
1713         pos += scnprintf(buf + pos, bufsz - pos,
1714                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1715                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1716                          accum_bt->lo_priority_tx_denied_cnt);
1717         pos += scnprintf(buf + pos, bufsz - pos,
1718                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1719                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1720                          accum_bt->hi_priority_rx_req_cnt);
1721         pos += scnprintf(buf + pos, bufsz - pos,
1722                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1723                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1724                          accum_bt->hi_priority_rx_denied_cnt);
1725         pos += scnprintf(buf + pos, bufsz - pos,
1726                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1727                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1728                          accum_bt->lo_priority_rx_req_cnt);
1729         pos += scnprintf(buf + pos, bufsz - pos,
1730                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1731                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1732                          accum_bt->lo_priority_rx_denied_cnt);
1733
1734         pos += scnprintf(buf + pos, bufsz - pos,
1735                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1736                          le32_to_cpu(priv->statistics.num_bt_kills),
1737                          priv->statistics.accum_num_bt_kills);
1738
1739         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1740         kfree(buf);
1741         return ret;
1742 }
1743
1744 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1745                                         char __user *user_buf,
1746                                         size_t count, loff_t *ppos)
1747 {
1748         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1749         int pos = 0;
1750         char *buf;
1751         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1752                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1753         ssize_t ret;
1754
1755         if (!iwl_is_alive(priv->shrd))
1756                 return -EAGAIN;
1757
1758         buf = kzalloc(bufsz, GFP_KERNEL);
1759         if (!buf) {
1760                 IWL_ERR(priv, "Can not allocate Buffer\n");
1761                 return -ENOMEM;
1762         }
1763
1764         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1765         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1766                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1767                          priv->reply_tx_stats.pp_delay);
1768         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1769                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1770                          priv->reply_tx_stats.pp_few_bytes);
1771         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1772                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1773                          priv->reply_tx_stats.pp_bt_prio);
1774         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1775                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1776                          priv->reply_tx_stats.pp_quiet_period);
1777         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1778                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1779                          priv->reply_tx_stats.pp_calc_ttak);
1780         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1781                          iwl_get_tx_fail_reason(
1782                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1783                          priv->reply_tx_stats.int_crossed_retry);
1784         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1785                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1786                          priv->reply_tx_stats.short_limit);
1787         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1788                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1789                          priv->reply_tx_stats.long_limit);
1790         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1791                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1792                          priv->reply_tx_stats.fifo_underrun);
1793         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1794                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1795                          priv->reply_tx_stats.drain_flow);
1796         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1797                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1798                          priv->reply_tx_stats.rfkill_flush);
1799         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1800                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1801                          priv->reply_tx_stats.life_expire);
1802         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1803                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1804                          priv->reply_tx_stats.dest_ps);
1805         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1806                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1807                          priv->reply_tx_stats.host_abort);
1808         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1809                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1810                          priv->reply_tx_stats.pp_delay);
1811         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1812                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1813                          priv->reply_tx_stats.sta_invalid);
1814         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1815                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1816                          priv->reply_tx_stats.frag_drop);
1817         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1818                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1819                          priv->reply_tx_stats.tid_disable);
1820         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1821                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1822                          priv->reply_tx_stats.fifo_flush);
1823         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1824                          iwl_get_tx_fail_reason(
1825                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1826                          priv->reply_tx_stats.insuff_cf_poll);
1827         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1828                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1829                          priv->reply_tx_stats.fail_hw_drop);
1830         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1831                          iwl_get_tx_fail_reason(
1832                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1833                          priv->reply_tx_stats.sta_color_mismatch);
1834         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1835                          priv->reply_tx_stats.unknown);
1836
1837         pos += scnprintf(buf + pos, bufsz - pos,
1838                          "\nStatistics_Agg_TX_Error:\n");
1839
1840         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1841                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1842                          priv->reply_agg_tx_stats.underrun);
1843         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1844                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1845                          priv->reply_agg_tx_stats.bt_prio);
1846         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1847                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1848                          priv->reply_agg_tx_stats.few_bytes);
1849         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1850                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1851                          priv->reply_agg_tx_stats.abort);
1852         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1853                          iwl_get_agg_tx_fail_reason(
1854                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1855                          priv->reply_agg_tx_stats.last_sent_ttl);
1856         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1857                          iwl_get_agg_tx_fail_reason(
1858                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1859                          priv->reply_agg_tx_stats.last_sent_try);
1860         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1861                          iwl_get_agg_tx_fail_reason(
1862                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1863                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1864         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1865                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1866                          priv->reply_agg_tx_stats.scd_query);
1867         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1868                          iwl_get_agg_tx_fail_reason(
1869                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1870                          priv->reply_agg_tx_stats.bad_crc32);
1871         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1872                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1873                          priv->reply_agg_tx_stats.response);
1874         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1875                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1876                          priv->reply_agg_tx_stats.dump_tx);
1877         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1878                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1879                          priv->reply_agg_tx_stats.delay_tx);
1880         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1881                          priv->reply_agg_tx_stats.unknown);
1882
1883         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1884         kfree(buf);
1885         return ret;
1886 }
1887
1888 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1889                                         char __user *user_buf,
1890                                         size_t count, loff_t *ppos) {
1891
1892         struct iwl_priv *priv = file->private_data;
1893         int pos = 0;
1894         int cnt = 0;
1895         char *buf;
1896         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1897         ssize_t ret;
1898         struct iwl_sensitivity_data *data;
1899
1900         data = &priv->sensitivity_data;
1901         buf = kzalloc(bufsz, GFP_KERNEL);
1902         if (!buf) {
1903                 IWL_ERR(priv, "Can not allocate Buffer\n");
1904                 return -ENOMEM;
1905         }
1906
1907         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1908                         data->auto_corr_ofdm);
1909         pos += scnprintf(buf + pos, bufsz - pos,
1910                         "auto_corr_ofdm_mrc:\t\t %u\n",
1911                         data->auto_corr_ofdm_mrc);
1912         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1913                         data->auto_corr_ofdm_x1);
1914         pos += scnprintf(buf + pos, bufsz - pos,
1915                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1916                         data->auto_corr_ofdm_mrc_x1);
1917         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1918                         data->auto_corr_cck);
1919         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1920                         data->auto_corr_cck_mrc);
1921         pos += scnprintf(buf + pos, bufsz - pos,
1922                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1923                         data->last_bad_plcp_cnt_ofdm);
1924         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1925                         data->last_fa_cnt_ofdm);
1926         pos += scnprintf(buf + pos, bufsz - pos,
1927                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1928                         data->last_bad_plcp_cnt_cck);
1929         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1930                         data->last_fa_cnt_cck);
1931         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1932                         data->nrg_curr_state);
1933         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1934                         data->nrg_prev_state);
1935         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1936         for (cnt = 0; cnt < 10; cnt++) {
1937                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1938                                 data->nrg_value[cnt]);
1939         }
1940         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1941         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1942         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1943                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1944                                 data->nrg_silence_rssi[cnt]);
1945         }
1946         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1947         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1948                         data->nrg_silence_ref);
1949         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1950                         data->nrg_energy_idx);
1951         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1952                         data->nrg_silence_idx);
1953         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1954                         data->nrg_th_cck);
1955         pos += scnprintf(buf + pos, bufsz - pos,
1956                         "nrg_auto_corr_silence_diff:\t %u\n",
1957                         data->nrg_auto_corr_silence_diff);
1958         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1959                         data->num_in_cck_no_fa);
1960         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1961                         data->nrg_th_ofdm);
1962
1963         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1964         kfree(buf);
1965         return ret;
1966 }
1967
1968
1969 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1970                                         char __user *user_buf,
1971                                         size_t count, loff_t *ppos) {
1972
1973         struct iwl_priv *priv = file->private_data;
1974         int pos = 0;
1975         int cnt = 0;
1976         char *buf;
1977         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1978         ssize_t ret;
1979         struct iwl_chain_noise_data *data;
1980
1981         data = &priv->chain_noise_data;
1982         buf = kzalloc(bufsz, GFP_KERNEL);
1983         if (!buf) {
1984                 IWL_ERR(priv, "Can not allocate Buffer\n");
1985                 return -ENOMEM;
1986         }
1987
1988         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1989                         data->active_chains);
1990         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1991                         data->chain_noise_a);
1992         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1993                         data->chain_noise_b);
1994         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1995                         data->chain_noise_c);
1996         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1997                         data->chain_signal_a);
1998         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1999                         data->chain_signal_b);
2000         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2001                         data->chain_signal_c);
2002         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2003                         data->beacon_count);
2004
2005         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2006         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2007                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2008                                 data->disconn_array[cnt]);
2009         }
2010         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2011         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2012         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2013                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2014                                 data->delta_gain_code[cnt]);
2015         }
2016         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2017         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2018                         data->radio_write);
2019         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2020                         data->state);
2021
2022         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2023         kfree(buf);
2024         return ret;
2025 }
2026
2027 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2028                                                     char __user *user_buf,
2029                                                     size_t count, loff_t *ppos)
2030 {
2031         struct iwl_priv *priv = file->private_data;
2032         char buf[60];
2033         int pos = 0;
2034         const size_t bufsz = sizeof(buf);
2035         u32 pwrsave_status;
2036
2037         pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) &
2038                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2039
2040         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2041         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2042                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2043                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2044                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2045                 "error");
2046
2047         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2048 }
2049
2050 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2051                                          const char __user *user_buf,
2052                                          size_t count, loff_t *ppos)
2053 {
2054         struct iwl_priv *priv = file->private_data;
2055         char buf[8];
2056         int buf_size;
2057         int clear;
2058
2059         memset(buf, 0, sizeof(buf));
2060         buf_size = min(count, sizeof(buf) -  1);
2061         if (copy_from_user(buf, user_buf, buf_size))
2062                 return -EFAULT;
2063         if (sscanf(buf, "%d", &clear) != 1)
2064                 return -EFAULT;
2065
2066         /* make request to uCode to retrieve statistics information */
2067         mutex_lock(&priv->shrd->mutex);
2068         iwl_send_statistics_request(priv, CMD_SYNC, true);
2069         mutex_unlock(&priv->shrd->mutex);
2070
2071         return count;
2072 }
2073
2074 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2075                                         char __user *user_buf,
2076                                         size_t count, loff_t *ppos) {
2077
2078         struct iwl_priv *priv = file->private_data;
2079         int pos = 0;
2080         char buf[128];
2081         const size_t bufsz = sizeof(buf);
2082
2083         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2084                         priv->event_log.ucode_trace ? "On" : "Off");
2085         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2086                         priv->event_log.non_wraps_count);
2087         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2088                         priv->event_log.wraps_once_count);
2089         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2090                         priv->event_log.wraps_more_count);
2091
2092         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2093 }
2094
2095 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2096                                          const char __user *user_buf,
2097                                          size_t count, loff_t *ppos)
2098 {
2099         struct iwl_priv *priv = file->private_data;
2100         char buf[8];
2101         int buf_size;
2102         int trace;
2103
2104         memset(buf, 0, sizeof(buf));
2105         buf_size = min(count, sizeof(buf) -  1);
2106         if (copy_from_user(buf, user_buf, buf_size))
2107                 return -EFAULT;
2108         if (sscanf(buf, "%d", &trace) != 1)
2109                 return -EFAULT;
2110
2111         if (trace) {
2112                 priv->event_log.ucode_trace = true;
2113                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2114                 mod_timer(&priv->ucode_trace,
2115                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2116         } else {
2117                 priv->event_log.ucode_trace = false;
2118                 del_timer_sync(&priv->ucode_trace);
2119         }
2120
2121         return count;
2122 }
2123
2124 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2125                                          char __user *user_buf,
2126                                          size_t count, loff_t *ppos) {
2127
2128         struct iwl_priv *priv = file->private_data;
2129         int len = 0;
2130         char buf[20];
2131
2132         len = sprintf(buf, "0x%04X\n",
2133                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2134         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2135 }
2136
2137 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2138                                                 char __user *user_buf,
2139                                                 size_t count, loff_t *ppos) {
2140
2141         struct iwl_priv *priv = file->private_data;
2142         int len = 0;
2143         char buf[20];
2144
2145         len = sprintf(buf, "0x%04X\n",
2146                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2147         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2148 }
2149
2150 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2151                                         char __user *user_buf,
2152                                         size_t count, loff_t *ppos) {
2153
2154         struct iwl_priv *priv = file->private_data;
2155         int pos = 0;
2156         char buf[12];
2157         const size_t bufsz = sizeof(buf);
2158
2159         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2160                         priv->missed_beacon_threshold);
2161
2162         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2163 }
2164
2165 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2166                                          const char __user *user_buf,
2167                                          size_t count, loff_t *ppos)
2168 {
2169         struct iwl_priv *priv = file->private_data;
2170         char buf[8];
2171         int buf_size;
2172         int missed;
2173
2174         memset(buf, 0, sizeof(buf));
2175         buf_size = min(count, sizeof(buf) -  1);
2176         if (copy_from_user(buf, user_buf, buf_size))
2177                 return -EFAULT;
2178         if (sscanf(buf, "%d", &missed) != 1)
2179                 return -EINVAL;
2180
2181         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2182             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2183                 priv->missed_beacon_threshold =
2184                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2185         else
2186                 priv->missed_beacon_threshold = missed;
2187
2188         return count;
2189 }
2190
2191 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2192                                         char __user *user_buf,
2193                                         size_t count, loff_t *ppos) {
2194
2195         struct iwl_priv *priv = file->private_data;
2196         int pos = 0;
2197         char buf[12];
2198         const size_t bufsz = sizeof(buf);
2199
2200         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2201                         priv->cfg->base_params->plcp_delta_threshold);
2202
2203         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2204 }
2205
2206 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2207                                         const char __user *user_buf,
2208                                         size_t count, loff_t *ppos) {
2209
2210         struct iwl_priv *priv = file->private_data;
2211         char buf[8];
2212         int buf_size;
2213         int plcp;
2214
2215         memset(buf, 0, sizeof(buf));
2216         buf_size = min(count, sizeof(buf) -  1);
2217         if (copy_from_user(buf, user_buf, buf_size))
2218                 return -EFAULT;
2219         if (sscanf(buf, "%d", &plcp) != 1)
2220                 return -EINVAL;
2221         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2222                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2223                 priv->cfg->base_params->plcp_delta_threshold =
2224                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2225         else
2226                 priv->cfg->base_params->plcp_delta_threshold = plcp;
2227         return count;
2228 }
2229
2230 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2231                                         char __user *user_buf,
2232                                         size_t count, loff_t *ppos) {
2233
2234         struct iwl_priv *priv = file->private_data;
2235         int i, pos = 0;
2236         char buf[300];
2237         const size_t bufsz = sizeof(buf);
2238         struct iwl_force_reset *force_reset;
2239
2240         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2241                 force_reset = &priv->force_reset[i];
2242                 pos += scnprintf(buf + pos, bufsz - pos,
2243                                 "Force reset method %d\n", i);
2244                 pos += scnprintf(buf + pos, bufsz - pos,
2245                                 "\tnumber of reset request: %d\n",
2246                                 force_reset->reset_request_count);
2247                 pos += scnprintf(buf + pos, bufsz - pos,
2248                                 "\tnumber of reset request success: %d\n",
2249                                 force_reset->reset_success_count);
2250                 pos += scnprintf(buf + pos, bufsz - pos,
2251                                 "\tnumber of reset request reject: %d\n",
2252                                 force_reset->reset_reject_count);
2253                 pos += scnprintf(buf + pos, bufsz - pos,
2254                                 "\treset duration: %lu\n",
2255                                 force_reset->reset_duration);
2256         }
2257         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2258 }
2259
2260 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2261                                         const char __user *user_buf,
2262                                         size_t count, loff_t *ppos) {
2263
2264         struct iwl_priv *priv = file->private_data;
2265         char buf[8];
2266         int buf_size;
2267         int reset, ret;
2268
2269         memset(buf, 0, sizeof(buf));
2270         buf_size = min(count, sizeof(buf) -  1);
2271         if (copy_from_user(buf, user_buf, buf_size))
2272                 return -EFAULT;
2273         if (sscanf(buf, "%d", &reset) != 1)
2274                 return -EINVAL;
2275         switch (reset) {
2276         case IWL_RF_RESET:
2277         case IWL_FW_RESET:
2278                 ret = iwl_force_reset(priv, reset, true);
2279                 break;
2280         default:
2281                 return -EINVAL;
2282         }
2283         return ret ? ret : count;
2284 }
2285
2286 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2287                                         const char __user *user_buf,
2288                                         size_t count, loff_t *ppos) {
2289
2290         struct iwl_priv *priv = file->private_data;
2291         char buf[8];
2292         int buf_size;
2293         int flush;
2294
2295         memset(buf, 0, sizeof(buf));
2296         buf_size = min(count, sizeof(buf) -  1);
2297         if (copy_from_user(buf, user_buf, buf_size))
2298                 return -EFAULT;
2299         if (sscanf(buf, "%d", &flush) != 1)
2300                 return -EINVAL;
2301
2302         if (iwl_is_rfkill(priv->shrd))
2303                 return -EFAULT;
2304
2305         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2306
2307         return count;
2308 }
2309
2310 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2311                                         const char __user *user_buf,
2312                                         size_t count, loff_t *ppos) {
2313
2314         struct iwl_priv *priv = file->private_data;
2315         char buf[8];
2316         int buf_size;
2317         int timeout;
2318
2319         memset(buf, 0, sizeof(buf));
2320         buf_size = min(count, sizeof(buf) -  1);
2321         if (copy_from_user(buf, user_buf, buf_size))
2322                 return -EFAULT;
2323         if (sscanf(buf, "%d", &timeout) != 1)
2324                 return -EINVAL;
2325         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2326                 timeout = IWL_DEF_WD_TIMEOUT;
2327
2328         priv->cfg->base_params->wd_timeout = timeout;
2329         iwl_setup_watchdog(priv);
2330         return count;
2331 }
2332
2333 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2334                                         char __user *user_buf,
2335                                         size_t count, loff_t *ppos) {
2336
2337         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2338         int pos = 0;
2339         char buf[200];
2340         const size_t bufsz = sizeof(buf);
2341
2342         if (!priv->bt_enable_flag) {
2343                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2344                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2345         }
2346         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2347                 priv->bt_enable_flag);
2348         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2349                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2350         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2351                          "last traffic notif: %d\n",
2352                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2353         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2354                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2355                 priv->bt_ch_announce, priv->kill_ack_mask,
2356                 priv->kill_cts_mask);
2357
2358         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2359         switch (priv->bt_traffic_load) {
2360         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2361                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2362                 break;
2363         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2364                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2365                 break;
2366         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2367                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2368                 break;
2369         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2370         default:
2371                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2372                 break;
2373         }
2374
2375         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2376 }
2377
2378 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2379                                         char __user *user_buf,
2380                                         size_t count, loff_t *ppos)
2381 {
2382         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2383
2384         int pos = 0;
2385         char buf[40];
2386         const size_t bufsz = sizeof(buf);
2387
2388         if (priv->cfg->ht_params)
2389                 pos += scnprintf(buf + pos, bufsz - pos,
2390                          "use %s for aggregation\n",
2391                          (priv->cfg->ht_params->use_rts_for_aggregation) ?
2392                                 "rts/cts" : "cts-to-self");
2393         else
2394                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2395
2396         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2397 }
2398
2399 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2400                                         const char __user *user_buf,
2401                                         size_t count, loff_t *ppos) {
2402
2403         struct iwl_priv *priv = file->private_data;
2404         char buf[8];
2405         int buf_size;
2406         int rts;
2407
2408         if (!priv->cfg->ht_params)
2409                 return -EINVAL;
2410
2411         memset(buf, 0, sizeof(buf));
2412         buf_size = min(count, sizeof(buf) -  1);
2413         if (copy_from_user(buf, user_buf, buf_size))
2414                 return -EFAULT;
2415         if (sscanf(buf, "%d", &rts) != 1)
2416                 return -EINVAL;
2417         if (rts)
2418                 priv->cfg->ht_params->use_rts_for_aggregation = true;
2419         else
2420                 priv->cfg->ht_params->use_rts_for_aggregation = false;
2421         return count;
2422 }
2423
2424 DEBUGFS_READ_FILE_OPS(rx_statistics);
2425 DEBUGFS_READ_FILE_OPS(tx_statistics);
2426 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2427 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2428 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2429 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2430 DEBUGFS_READ_FILE_OPS(sensitivity);
2431 DEBUGFS_READ_FILE_OPS(chain_noise);
2432 DEBUGFS_READ_FILE_OPS(power_save_status);
2433 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2434 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2435 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2436 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2437 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2438 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2439 DEBUGFS_READ_FILE_OPS(rxon_flags);
2440 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2441 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2442 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2443 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2444 DEBUGFS_READ_FILE_OPS(bt_traffic);
2445 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2446 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2447
2448 /*
2449  * Create the debugfs files and directories
2450  *
2451  */
2452 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2453 {
2454         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2455         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2456
2457         dir_drv = debugfs_create_dir(name, phyd);
2458         if (!dir_drv)
2459                 return -ENOMEM;
2460
2461         priv->debugfs_dir = dir_drv;
2462
2463         dir_data = debugfs_create_dir("data", dir_drv);
2464         if (!dir_data)
2465                 goto err;
2466         dir_rf = debugfs_create_dir("rf", dir_drv);
2467         if (!dir_rf)
2468                 goto err;
2469         dir_debug = debugfs_create_dir("debug", dir_drv);
2470         if (!dir_debug)
2471                 goto err;
2472
2473         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2474         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2475         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2476         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2477         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2478         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2479         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2480         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2481         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2482         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2483         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2484         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2485         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2486         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2487         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2488         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2489         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2490         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2491         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2492         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2493         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2494         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2495         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2496         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2497         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2498         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2499
2500         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2501         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2502         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2503         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2504         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2505         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2506         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2507         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2508         if (iwl_advanced_bt_coexist(priv))
2509                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2510         DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2511                          &priv->disable_sens_cal);
2512         DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2513                          &priv->disable_chain_noise_cal);
2514
2515         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2516                 goto err;
2517         return 0;
2518
2519 err:
2520         IWL_ERR(priv, "Can't create the debugfs directory\n");
2521         iwl_dbgfs_unregister(priv);
2522         return -ENOMEM;
2523 }
2524
2525 /**
2526  * Remove the debugfs files and directories
2527  *
2528  */
2529 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2530 {
2531         if (!priv->debugfs_dir)
2532                 return;
2533
2534         debugfs_remove_recursive(priv->debugfs_dir);
2535         priv->debugfs_dir = NULL;
2536 }
2537
2538
2539