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

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2012 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 #include "iwl-wifi.h"
  44
  45 /* create and remove of files */
  46 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  47         if (!debugfs_create_file(#name, mode, parent, priv,             \
  48                                  &iwl_dbgfs_##name##_ops))              \
  49                 goto err;                                               \
  50 } while (0)
  51
  52 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  53         struct dentry *__tmp;                                           \
  54         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  55                                     parent, ptr);                       \
  56         if (IS_ERR(__tmp) || !__tmp)                                    \
  57                 goto err;                                               \
  58 } while (0)
  59
  60 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  61         struct dentry *__tmp;                                           \
  62         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  63                                    parent, ptr);                        \
  64         if (IS_ERR(__tmp) || !__tmp)                                    \
  65                 goto err;                                               \
  66 } while (0)
  67
  68 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {                   \
  69         struct dentry *__tmp;                                           \
  70         __tmp = debugfs_create_u32(#name, mode,                         \
  71                                    parent, ptr);                        \
  72         if (IS_ERR(__tmp) || !__tmp)                                    \
  73                 goto err;                                               \
  74 } while (0)
  75
  76 /* file operation */
  77 #define DEBUGFS_READ_FUNC(name)                                         \
  78 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  79                                         char __user *user_buf,          \
  80                                         size_t count, loff_t *ppos);
  81
  82 #define DEBUGFS_WRITE_FUNC(name)                                        \
  83 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  84                                         const char __user *user_buf,    \
  85                                         size_t count, loff_t *ppos);
  86
  87
  88 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  89 {
  90         file->private_data = inode->i_private;
  91         return 0;
  92 }
  93
  94 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  95         DEBUGFS_READ_FUNC(name);                                        \
  96 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  97         .read = iwl_dbgfs_##name##_read,                                \
  98         .open = iwl_dbgfs_open_file_generic,                            \
  99         .llseek = generic_file_llseek,                                  \
 100 };
 101
 102 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
 103         DEBUGFS_WRITE_FUNC(name);                                       \
 104 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 105         .write = iwl_dbgfs_##name##_write,                              \
 106         .open = iwl_dbgfs_open_file_generic,                            \
 107         .llseek = generic_file_llseek,                                  \
 108 };
 109
 110
 111 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 112         DEBUGFS_READ_FUNC(name);                                        \
 113         DEBUGFS_WRITE_FUNC(name);                                       \
 114 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 115         .write = iwl_dbgfs_##name##_write,                              \
 116         .read = iwl_dbgfs_##name##_read,                                \
 117         .open = iwl_dbgfs_open_file_generic,                            \
 118         .llseek = generic_file_llseek,                                  \
 119 };
 120
 121 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 122                                                 char __user *user_buf,
 123                                                 size_t count, loff_t *ppos) {
 124
 125         struct iwl_priv *priv = file->private_data;
 126         char *buf;
 127         int pos = 0;
 128
 129         int cnt;
 130         ssize_t ret;
 131         const size_t bufsz = 100 +
 132                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 133         buf = kzalloc(bufsz, GFP_KERNEL);
 134         if (!buf)
 135                 return -ENOMEM;
 136         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 137         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 138                 pos += scnprintf(buf + pos, bufsz - pos,
 139                                  "\t%25s\t\t: %u\n",
 140                                  get_mgmt_string(cnt),
 141                                  priv->tx_stats.mgmt[cnt]);
 142         }
 143         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 144         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 145                 pos += scnprintf(buf + pos, bufsz - pos,
 146                                  "\t%25s\t\t: %u\n",
 147                                  get_ctrl_string(cnt),
 148                                  priv->tx_stats.ctrl[cnt]);
 149         }
 150         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 151         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 152                          priv->tx_stats.data_cnt);
 153         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 154                          priv->tx_stats.data_bytes);
 155         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 156         kfree(buf);
 157         return ret;
 158 }
 159
 160 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 161                                         const char __user *user_buf,
 162                                         size_t count, loff_t *ppos)
 163 {
 164         struct iwl_priv *priv = file->private_data;
 165         u32 clear_flag;
 166         char buf[8];
 167         int buf_size;
 168
 169         memset(buf, 0, sizeof(buf));
 170         buf_size = min(count, sizeof(buf) -  1);
 171         if (copy_from_user(buf, user_buf, buf_size))
 172                 return -EFAULT;
 173         if (sscanf(buf, "%x", &clear_flag) != 1)
 174                 return -EFAULT;
 175         iwl_clear_traffic_stats(priv);
 176
 177         return count;
 178 }
 179
 180 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 181                                                 char __user *user_buf,
 182                                                 size_t count, loff_t *ppos) {
 183
 184         struct iwl_priv *priv = file->private_data;
 185         char *buf;
 186         int pos = 0;
 187         int cnt;
 188         ssize_t ret;
 189         const size_t bufsz = 100 +
 190                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 191         buf = kzalloc(bufsz, GFP_KERNEL);
 192         if (!buf)
 193                 return -ENOMEM;
 194
 195         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 196         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 197                 pos += scnprintf(buf + pos, bufsz - pos,
 198                                  "\t%25s\t\t: %u\n",
 199                                  get_mgmt_string(cnt),
 200                                  priv->rx_stats.mgmt[cnt]);
 201         }
 202         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 203         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 204                 pos += scnprintf(buf + pos, bufsz - pos,
 205                                  "\t%25s\t\t: %u\n",
 206                                  get_ctrl_string(cnt),
 207                                  priv->rx_stats.ctrl[cnt]);
 208         }
 209         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 210         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 211                          priv->rx_stats.data_cnt);
 212         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 213                          priv->rx_stats.data_bytes);
 214
 215         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 216         kfree(buf);
 217         return ret;
 218 }
 219
 220 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 221                                         char __user *user_buf,
 222                                         size_t count, loff_t *ppos)
 223 {
 224         u32 val = 0;
 225         char *buf;
 226         ssize_t ret;
 227         int i = 0;
 228         bool device_format = false;
 229         int offset = 0;
 230         int len = 0;
 231         int pos = 0;
 232         int sram;
 233         struct iwl_priv *priv = file->private_data;
 234         size_t bufsz;
 235
 236         /* default is to dump the entire data segment */
 237         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 238                 struct iwl_nic *nic = nic(priv);
 239                 priv->dbgfs_sram_offset = 0x800000;
 240                 if (nic->shrd->ucode_type == IWL_UCODE_INIT)
 241                         priv->dbgfs_sram_len = nic->fw.ucode_init.data.len;
 242                 else
 243                         priv->dbgfs_sram_len = nic->fw.ucode_rt.data.len;
 244         }
 245         len = priv->dbgfs_sram_len;
 246
 247         if (len == -4) {
 248                 device_format = true;
 249                 len = 4;
 250         }
 251
 252         bufsz =  50 + len * 4;
 253         buf = kmalloc(bufsz, GFP_KERNEL);
 254         if (!buf)
 255                 return -ENOMEM;
 256
 257         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 258                          len);
 259         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 260                         priv->dbgfs_sram_offset);
 261
 262         /* adjust sram address since reads are only on even u32 boundaries */
 263         offset = priv->dbgfs_sram_offset & 0x3;
 264         sram = priv->dbgfs_sram_offset & ~0x3;
 265
 266         /* read the first u32 from sram */
 267         val = iwl_read_targ_mem(trans(priv), sram);
 268
 269         for (; len; len--) {
 270                 /* put the address at the start of every line */
 271                 if (i == 0)
 272                         pos += scnprintf(buf + pos, bufsz - pos,
 273                                 "%08X: ", sram + offset);
 274
 275                 if (device_format)
 276                         pos += scnprintf(buf + pos, bufsz - pos,
 277                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 278                 else
 279                         pos += scnprintf(buf + pos, bufsz - pos,
 280                                 "%02x ", (val >> (8 * offset)) & 0xff);
 281
 282                 /* if all bytes processed, read the next u32 from sram */
 283                 if (++offset == 4) {
 284                         sram += 4;
 285                         offset = 0;
 286                         val = iwl_read_targ_mem(trans(priv), sram);
 287                 }
 288
 289                 /* put in extra spaces and split lines for human readability */
 290                 if (++i == 16) {
 291                         i = 0;
 292                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 293                 } else if (!(i & 7)) {
 294                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 295                 } else if (!(i & 3)) {
 296                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 297                 }
 298         }
 299         if (i)
 300                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 301
 302         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 303         kfree(buf);
 304         return ret;
 305 }
 306
 307 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 308                                         const char __user *user_buf,
 309                                         size_t count, loff_t *ppos)
 310 {
 311         struct iwl_priv *priv = file->private_data;
 312         char buf[64];
 313         int buf_size;
 314         u32 offset, len;
 315
 316         memset(buf, 0, sizeof(buf));
 317         buf_size = min(count, sizeof(buf) -  1);
 318         if (copy_from_user(buf, user_buf, buf_size))
 319                 return -EFAULT;
 320
 321         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 322                 priv->dbgfs_sram_offset = offset;
 323                 priv->dbgfs_sram_len = len;
 324         } else if (sscanf(buf, "%x", &offset) == 1) {
 325                 priv->dbgfs_sram_offset = offset;
 326                 priv->dbgfs_sram_len = -4;
 327         } else {
 328                 priv->dbgfs_sram_offset = 0;
 329                 priv->dbgfs_sram_len = 0;
 330         }
 331
 332         return count;
 333 }
 334
 335 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 336                                           char __user *user_buf,
 337                                           size_t count, loff_t *ppos)
 338 {
 339         struct iwl_priv *priv = file->private_data;
 340
 341         if (!priv->wowlan_sram)
 342                 return -ENODATA;
 343
 344         return simple_read_from_buffer(user_buf, count, ppos,
 345                                        priv->wowlan_sram,
 346                                        nic(priv)->fw.ucode_wowlan.data.len);
 347 }
 348 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 349                                         size_t count, loff_t *ppos)
 350 {
 351         struct iwl_priv *priv = file->private_data;
 352         struct iwl_station_entry *station;
 353         struct iwl_tid_data *tid_data;
 354         char *buf;
 355         int i, j, pos = 0;
 356         ssize_t ret;
 357         /* Add 30 for initial string */
 358         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 359
 360         buf = kmalloc(bufsz, GFP_KERNEL);
 361         if (!buf)
 362                 return -ENOMEM;
 363
 364         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 365                         priv->num_stations);
 366
 367         for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
 368                 station = &priv->stations[i];
 369                 if (!station->used)
 370                         continue;
 371                 pos += scnprintf(buf + pos, bufsz - pos,
 372                                  "station %d - addr: %pM, flags: %#x\n",
 373                                  i, station->sta.sta.addr,
 374                                  station->sta.station_flags_msk);
 375                 pos += scnprintf(buf + pos, bufsz - pos,
 376                                 "TID\tseq_num\trate_n_flags\n");
 377
 378                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 379                         tid_data = &priv->tid_data[i][j];
 380                         pos += scnprintf(buf + pos, bufsz - pos,
 381                                 "%d:\t%#x\t%#x",
 382                                 j, tid_data->seq_number,
 383                                 tid_data->agg.rate_n_flags);
 384
 385                         if (tid_data->agg.wait_for_ba)
 386                                 pos += scnprintf(buf + pos, bufsz - pos,
 387                                                  " - waitforba");
 388                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 389                 }
 390
 391                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 392         }
 393
 394         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 395         kfree(buf);
 396         return ret;
 397 }
 398
 399 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 400                                        char __user *user_buf,
 401                                        size_t count,
 402                                        loff_t *ppos)
 403 {
 404         ssize_t ret;
 405         struct iwl_priv *priv = file->private_data;
 406         int pos = 0, ofs = 0, buf_size = 0;
 407         const u8 *ptr;
 408         char *buf;
 409         u16 eeprom_ver;
 410         size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
 411         buf_size = 4 * eeprom_len + 256;
 412
 413         if (eeprom_len % 16) {
 414                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 415                 return -ENODATA;
 416         }
 417
 418         ptr = priv->shrd->eeprom;
 419         if (!ptr) {
 420                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 421                 return -ENOMEM;
 422         }
 423
 424         /* 4 characters for byte 0xYY */
 425         buf = kzalloc(buf_size, GFP_KERNEL);
 426         if (!buf) {
 427                 IWL_ERR(priv, "Can not allocate Buffer\n");
 428                 return -ENOMEM;
 429         }
 430         eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION);
 431         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 432                         "version: 0x%x\n",
 433                         (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 434                          ? "OTP" : "EEPROM", eeprom_ver);
 435         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 436                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 437                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 438                                    buf_size - pos, 0);
 439                 pos += strlen(buf + pos);
 440                 if (buf_size - pos > 0)
 441                         buf[pos++] = '\n';
 442         }
 443
 444         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 445         kfree(buf);
 446         return ret;
 447 }
 448
 449 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 450                                        size_t count, loff_t *ppos)
 451 {
 452         struct iwl_priv *priv = file->private_data;
 453         struct ieee80211_channel *channels = NULL;
 454         const struct ieee80211_supported_band *supp_band = NULL;
 455         int pos = 0, i, bufsz = PAGE_SIZE;
 456         char *buf;
 457         ssize_t ret;
 458
 459         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status))
 460                 return -EAGAIN;
 461
 462         buf = kzalloc(bufsz, GFP_KERNEL);
 463         if (!buf) {
 464                 IWL_ERR(priv, "Can not allocate Buffer\n");
 465                 return -ENOMEM;
 466         }
 467
 468         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 469         if (supp_band) {
 470                 channels = supp_band->channels;
 471
 472                 pos += scnprintf(buf + pos, bufsz - pos,
 473                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 474                                 supp_band->n_channels);
 475
 476                 for (i = 0; i < supp_band->n_channels; i++)
 477                         pos += scnprintf(buf + pos, bufsz - pos,
 478                                         "%d: %ddBm: BSS%s%s, %s.\n",
 479                                         channels[i].hw_value,
 480                                         channels[i].max_power,
 481                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 482                                         " (IEEE 802.11h required)" : "",
 483                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 484                                         || (channels[i].flags &
 485                                         IEEE80211_CHAN_RADAR)) ? "" :
 486                                         ", IBSS",
 487                                         channels[i].flags &
 488                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 489                                         "passive only" : "active/passive");
 490         }
 491         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 492         if (supp_band) {
 493                 channels = supp_band->channels;
 494
 495                 pos += scnprintf(buf + pos, bufsz - pos,
 496                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 497                                 supp_band->n_channels);
 498
 499                 for (i = 0; i < supp_band->n_channels; i++)
 500                         pos += scnprintf(buf + pos, bufsz - pos,
 501                                         "%d: %ddBm: BSS%s%s, %s.\n",
 502                                         channels[i].hw_value,
 503                                         channels[i].max_power,
 504                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 505                                         " (IEEE 802.11h required)" : "",
 506                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 507                                         || (channels[i].flags &
 508                                         IEEE80211_CHAN_RADAR)) ? "" :
 509                                         ", IBSS",
 510                                         channels[i].flags &
 511                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 512                                         "passive only" : "active/passive");
 513         }
 514         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 515         kfree(buf);
 516         return ret;
 517 }
 518
 519 static ssize_t iwl_dbgfs_status_read(struct file *file,
 520                                                 char __user *user_buf,
 521                                                 size_t count, loff_t *ppos) {
 522
 523         struct iwl_priv *priv = file->private_data;
 524         char buf[512];
 525         int pos = 0;
 526         const size_t bufsz = sizeof(buf);
 527
 528         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 529                 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
 530         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 531                 test_bit(STATUS_INT_ENABLED, &priv->shrd->status));
 532         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 533                 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
 534         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 535                 test_bit(STATUS_CT_KILL, &priv->shrd->status));
 536         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 537                 test_bit(STATUS_INIT, &priv->shrd->status));
 538         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 539                 test_bit(STATUS_ALIVE, &priv->shrd->status));
 540         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 541                 test_bit(STATUS_READY, &priv->shrd->status));
 542         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 543                 test_bit(STATUS_TEMPERATURE, &priv->shrd->status));
 544         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 545                 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status));
 546         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 547                 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status));
 548         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 549                 test_bit(STATUS_STATISTICS, &priv->shrd->status));
 550         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 551                 test_bit(STATUS_SCANNING, &priv->shrd->status));
 552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 553                 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status));
 554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 555                 test_bit(STATUS_SCAN_HW, &priv->shrd->status));
 556         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 557                 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
 558         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 559                 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
 560         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 561 }
 562
 563 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 564                                         char __user *user_buf,
 565                                         size_t count, loff_t *ppos) {
 566
 567         struct iwl_priv *priv = file->private_data;
 568
 569         int pos = 0;
 570         int cnt = 0;
 571         char *buf;
 572         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 573         ssize_t ret;
 574
 575         buf = kzalloc(bufsz, GFP_KERNEL);
 576         if (!buf) {
 577                 IWL_ERR(priv, "Can not allocate Buffer\n");
 578                 return -ENOMEM;
 579         }
 580
 581         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 582                 if (priv->rx_handlers_stats[cnt] > 0)
 583                         pos += scnprintf(buf + pos, bufsz - pos,
 584                                 "\tRx handler[%36s]:\t\t %u\n",
 585                                 get_cmd_string(cnt),
 586                                 priv->rx_handlers_stats[cnt]);
 587         }
 588
 589         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 590         kfree(buf);
 591         return ret;
 592 }
 593
 594 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 595                                          const char __user *user_buf,
 596                                          size_t count, loff_t *ppos)
 597 {
 598         struct iwl_priv *priv = file->private_data;
 599
 600         char buf[8];
 601         int buf_size;
 602         u32 reset_flag;
 603
 604         memset(buf, 0, sizeof(buf));
 605         buf_size = min(count, sizeof(buf) -  1);
 606         if (copy_from_user(buf, user_buf, buf_size))
 607                 return -EFAULT;
 608         if (sscanf(buf, "%x", &reset_flag) != 1)
 609                 return -EFAULT;
 610         if (reset_flag == 0)
 611                 memset(&priv->rx_handlers_stats[0], 0,
 612                         sizeof(priv->rx_handlers_stats));
 613
 614         return count;
 615 }
 616
 617 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 618                                        size_t count, loff_t *ppos)
 619 {
 620         struct iwl_priv *priv = file->private_data;
 621         struct iwl_rxon_context *ctx;
 622         int pos = 0, i;
 623         char buf[256 * NUM_IWL_RXON_CTX];
 624         const size_t bufsz = sizeof(buf);
 625
 626         for_each_context(priv, ctx) {
 627                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 628                                  ctx->ctxid);
 629                 for (i = 0; i < AC_NUM; i++) {
 630                         pos += scnprintf(buf + pos, bufsz - pos,
 631                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 632                         pos += scnprintf(buf + pos, bufsz - pos,
 633                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 634                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 635                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 636                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 637                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 638                 }
 639                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 640         }
 641         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 642 }
 643
 644 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 645                                 char __user *user_buf,
 646                                 size_t count, loff_t *ppos)
 647 {
 648         struct iwl_priv *priv = file->private_data;
 649         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 650         struct iwl_tt_restriction *restriction;
 651         char buf[100];
 652         int pos = 0;
 653         const size_t bufsz = sizeof(buf);
 654
 655         pos += scnprintf(buf + pos, bufsz - pos,
 656                         "Thermal Throttling Mode: %s\n",
 657                         tt->advanced_tt ? "Advance" : "Legacy");
 658         pos += scnprintf(buf + pos, bufsz - pos,
 659                         "Thermal Throttling State: %d\n",
 660                         tt->state);
 661         if (tt->advanced_tt) {
 662                 restriction = tt->restriction + tt->state;
 663                 pos += scnprintf(buf + pos, bufsz - pos,
 664                                 "Tx mode: %d\n",
 665                                 restriction->tx_stream);
 666                 pos += scnprintf(buf + pos, bufsz - pos,
 667                                 "Rx mode: %d\n",
 668                                 restriction->rx_stream);
 669                 pos += scnprintf(buf + pos, bufsz - pos,
 670                                 "HT mode: %d\n",
 671                                 restriction->is_ht);
 672         }
 673         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 674 }
 675
 676 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 677                                          const char __user *user_buf,
 678                                          size_t count, loff_t *ppos)
 679 {
 680         struct iwl_priv *priv = file->private_data;
 681         char buf[8];
 682         int buf_size;
 683         int ht40;
 684
 685         memset(buf, 0, sizeof(buf));
 686         buf_size = min(count, sizeof(buf) -  1);
 687         if (copy_from_user(buf, user_buf, buf_size))
 688                 return -EFAULT;
 689         if (sscanf(buf, "%d", &ht40) != 1)
 690                 return -EFAULT;
 691         if (!iwl_is_any_associated(priv))
 692                 priv->disable_ht40 = ht40 ? true : false;
 693         else {
 694                 IWL_ERR(priv, "Sta associated with AP - "
 695                         "Change to 40MHz channel support is not allowed\n");
 696                 return -EINVAL;
 697         }
 698
 699         return count;
 700 }
 701
 702 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 703                                          char __user *user_buf,
 704                                          size_t count, loff_t *ppos)
 705 {
 706         struct iwl_priv *priv = file->private_data;
 707         char buf[100];
 708         int pos = 0;
 709         const size_t bufsz = sizeof(buf);
 710
 711         pos += scnprintf(buf + pos, bufsz - pos,
 712                         "11n 40MHz Mode: %s\n",
 713                         priv->disable_ht40 ? "Disabled" : "Enabled");
 714         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 715 }
 716
 717 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
 718                                          char __user *user_buf,
 719                                          size_t count, loff_t *ppos)
 720 {
 721         struct iwl_priv *priv = file->private_data;
 722         char buf[8];
 723         int pos = 0;
 724         const size_t bufsz = sizeof(buf);
 725
 726         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
 727         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 728 }
 729
 730
 731 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 732                                                     const char __user *user_buf,
 733                                                     size_t count, loff_t *ppos)
 734 {
 735         struct iwl_priv *priv = file->private_data;
 736         char buf[8];
 737         int buf_size;
 738         int value;
 739
 740         memset(buf, 0, sizeof(buf));
 741         buf_size = min(count, sizeof(buf) -  1);
 742         if (copy_from_user(buf, user_buf, buf_size))
 743                 return -EFAULT;
 744
 745         if (sscanf(buf, "%d", &value) != 1)
 746                 return -EINVAL;
 747
 748         /*
 749          * Our users expect 0 to be "CAM", but 0 isn't actually
 750          * valid here. However, let's not confuse them and present
 751          * IWL_POWER_INDEX_1 as "1", not "0".
 752          */
 753         if (value == 0)
 754                 return -EINVAL;
 755         else if (value > 0)
 756                 value -= 1;
 757
 758         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 759                 return -EINVAL;
 760
 761         if (!iwl_is_ready_rf(priv->shrd))
 762                 return -EAGAIN;
 763
 764         priv->power_data.debug_sleep_level_override = value;
 765
 766         mutex_lock(&priv->shrd->mutex);
 767         iwl_power_update_mode(priv, true);
 768         mutex_unlock(&priv->shrd->mutex);
 769
 770         return count;
 771 }
 772
 773 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 774                                                    char __user *user_buf,
 775                                                    size_t count, loff_t *ppos)
 776 {
 777         struct iwl_priv *priv = file->private_data;
 778         char buf[10];
 779         int pos, value;
 780         const size_t bufsz = sizeof(buf);
 781
 782         /* see the write function */
 783         value = priv->power_data.debug_sleep_level_override;
 784         if (value >= 0)
 785                 value += 1;
 786
 787         pos = scnprintf(buf, bufsz, "%d\n", value);
 788         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 789 }
 790
 791 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 792                                                     char __user *user_buf,
 793                                                     size_t count, loff_t *ppos)
 794 {
 795         struct iwl_priv *priv = file->private_data;
 796         char buf[200];
 797         int pos = 0, i;
 798         const size_t bufsz = sizeof(buf);
 799         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 800
 801         pos += scnprintf(buf + pos, bufsz - pos,
 802                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 803         pos += scnprintf(buf + pos, bufsz - pos,
 804                          "RX/TX timeout: %d/%d usec\n",
 805                          le32_to_cpu(cmd->rx_data_timeout),
 806                          le32_to_cpu(cmd->tx_data_timeout));
 807         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 808                 pos += scnprintf(buf + pos, bufsz - pos,
 809                                  "sleep_interval[%d]: %d\n", i,
 810                                  le32_to_cpu(cmd->sleep_interval[i]));
 811
 812         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 813 }
 814
 815 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 816 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 817 DEBUGFS_READ_FILE_OPS(nvm);
 818 DEBUGFS_READ_FILE_OPS(stations);
 819 DEBUGFS_READ_FILE_OPS(channels);
 820 DEBUGFS_READ_FILE_OPS(status);
 821 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 822 DEBUGFS_READ_FILE_OPS(qos);
 823 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 824 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 825 DEBUGFS_READ_FILE_OPS(temperature);
 826 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 827 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 828
 829 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 830                                          char __user *user_buf,
 831                                          size_t count, loff_t *ppos)
 832 {
 833         struct iwl_priv *priv = file->private_data;
 834         int pos = 0, ofs = 0;
 835         int cnt = 0, entry;
 836
 837         char *buf;
 838         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 839                 (hw_params(priv).max_txq_num * 32 * 8) + 400;
 840         const u8 *ptr;
 841         ssize_t ret;
 842
 843         buf = kzalloc(bufsz, GFP_KERNEL);
 844         if (!buf) {
 845                 IWL_ERR(priv, "Can not allocate buffer\n");
 846                 return -ENOMEM;
 847         }
 848         if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) {
 849                 ptr = priv->tx_traffic;
 850                 pos += scnprintf(buf + pos, bufsz - pos,
 851                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 852                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 853                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 854                              entry++,  ofs += 16) {
 855                                 pos += scnprintf(buf + pos, bufsz - pos,
 856                                                 "0x%.4x ", ofs);
 857                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 858                                                    buf + pos, bufsz - pos, 0);
 859                                 pos += strlen(buf + pos);
 860                                 if (bufsz - pos > 0)
 861                                         buf[pos++] = '\n';
 862                         }
 863                 }
 864         }
 865
 866         if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) {
 867                 ptr = priv->rx_traffic;
 868                 pos += scnprintf(buf + pos, bufsz - pos,
 869                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 870                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 871                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 872                              entry++,  ofs += 16) {
 873                                 pos += scnprintf(buf + pos, bufsz - pos,
 874                                                 "0x%.4x ", ofs);
 875                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 876                                                    buf + pos, bufsz - pos, 0);
 877                                 pos += strlen(buf + pos);
 878                                 if (bufsz - pos > 0)
 879                                         buf[pos++] = '\n';
 880                         }
 881                 }
 882         }
 883
 884         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 885         kfree(buf);
 886         return ret;
 887 }
 888
 889 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 890                                          const char __user *user_buf,
 891                                          size_t count, loff_t *ppos)
 892 {
 893         struct iwl_priv *priv = file->private_data;
 894         char buf[8];
 895         int buf_size;
 896         int traffic_log;
 897
 898         memset(buf, 0, sizeof(buf));
 899         buf_size = min(count, sizeof(buf) -  1);
 900         if (copy_from_user(buf, user_buf, buf_size))
 901                 return -EFAULT;
 902         if (sscanf(buf, "%d", &traffic_log) != 1)
 903                 return -EFAULT;
 904         if (traffic_log == 0)
 905                 iwl_reset_traffic_log(priv);
 906
 907         return count;
 908 }
 909
 910 static const char *fmt_value = "  %-30s %10u\n";
 911 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 912 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 913 static const char *fmt_header =
 914         "%-32s    current  cumulative       delta         max\n";
 915
 916 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 917 {
 918         int p = 0;
 919         u32 flag;
 920
 921         lockdep_assert_held(&priv->statistics.lock);
 922
 923         flag = le32_to_cpu(priv->statistics.flag);
 924
 925         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 926         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 927                 p += scnprintf(buf + p, bufsz - p,
 928                 "\tStatistics have been cleared\n");
 929         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 930                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 931                 ? "2.4 GHz" : "5.2 GHz");
 932         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 933                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 934                  ? "enabled" : "disabled");
 935
 936         return p;
 937 }
 938
 939 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 940                                         char __user *user_buf,
 941                                         size_t count, loff_t *ppos)
 942 {
 943         struct iwl_priv *priv = file->private_data;
 944         int pos = 0;
 945         char *buf;
 946         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 947                     sizeof(struct statistics_rx_non_phy) * 40 +
 948                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 949         ssize_t ret;
 950         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 951         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 952         struct statistics_rx_non_phy *general, *accum_general;
 953         struct statistics_rx_non_phy *delta_general, *max_general;
 954         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 955
 956         if (!iwl_is_alive(priv->shrd))
 957                 return -EAGAIN;
 958
 959         buf = kzalloc(bufsz, GFP_KERNEL);
 960         if (!buf) {
 961                 IWL_ERR(priv, "Can not allocate Buffer\n");
 962                 return -ENOMEM;
 963         }
 964
 965         /*
 966          * the statistic information display here is based on
 967          * the last statistics notification from uCode
 968          * might not reflect the current uCode activity
 969          */
 970         spin_lock_bh(&priv->statistics.lock);
 971         ofdm = &priv->statistics.rx_ofdm;
 972         cck = &priv->statistics.rx_cck;
 973         general = &priv->statistics.rx_non_phy;
 974         ht = &priv->statistics.rx_ofdm_ht;
 975         accum_ofdm = &priv->accum_stats.rx_ofdm;
 976         accum_cck = &priv->accum_stats.rx_cck;
 977         accum_general = &priv->accum_stats.rx_non_phy;
 978         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 979         delta_ofdm = &priv->delta_stats.rx_ofdm;
 980         delta_cck = &priv->delta_stats.rx_cck;
 981         delta_general = &priv->delta_stats.rx_non_phy;
 982         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 983         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 984         max_cck = &priv->max_delta_stats.rx_cck;
 985         max_general = &priv->max_delta_stats.rx_non_phy;
 986         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 987
 988         pos += iwl_statistics_flag(priv, buf, bufsz);
 989         pos += scnprintf(buf + pos, bufsz - pos,
 990                          fmt_header, "Statistics_Rx - OFDM:");
 991         pos += scnprintf(buf + pos, bufsz - pos,
 992                          fmt_table, "ina_cnt:",
 993                          le32_to_cpu(ofdm->ina_cnt),
 994                          accum_ofdm->ina_cnt,
 995                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 996         pos += scnprintf(buf + pos, bufsz - pos,
 997                          fmt_table, "fina_cnt:",
 998                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 999                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1000         pos += scnprintf(buf + pos, bufsz - pos,
1001                          fmt_table, "plcp_err:",
1002                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1003                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
1004         pos += scnprintf(buf + pos, bufsz - pos,
1005                          fmt_table, "crc32_err:",
1006                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1007                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
1008         pos += scnprintf(buf + pos, bufsz - pos,
1009                          fmt_table, "overrun_err:",
1010                          le32_to_cpu(ofdm->overrun_err),
1011                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1012                          max_ofdm->overrun_err);
1013         pos += scnprintf(buf + pos, bufsz - pos,
1014                          fmt_table, "early_overrun_err:",
1015                          le32_to_cpu(ofdm->early_overrun_err),
1016                          accum_ofdm->early_overrun_err,
1017                          delta_ofdm->early_overrun_err,
1018                          max_ofdm->early_overrun_err);
1019         pos += scnprintf(buf + pos, bufsz - pos,
1020                          fmt_table, "crc32_good:",
1021                          le32_to_cpu(ofdm->crc32_good),
1022                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1023                          max_ofdm->crc32_good);
1024         pos += scnprintf(buf + pos, bufsz - pos,
1025                          fmt_table, "false_alarm_cnt:",
1026                          le32_to_cpu(ofdm->false_alarm_cnt),
1027                          accum_ofdm->false_alarm_cnt,
1028                          delta_ofdm->false_alarm_cnt,
1029                          max_ofdm->false_alarm_cnt);
1030         pos += scnprintf(buf + pos, bufsz - pos,
1031                          fmt_table, "fina_sync_err_cnt:",
1032                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1033                          accum_ofdm->fina_sync_err_cnt,
1034                          delta_ofdm->fina_sync_err_cnt,
1035                          max_ofdm->fina_sync_err_cnt);
1036         pos += scnprintf(buf + pos, bufsz - pos,
1037                          fmt_table, "sfd_timeout:",
1038                          le32_to_cpu(ofdm->sfd_timeout),
1039                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1040                          max_ofdm->sfd_timeout);
1041         pos += scnprintf(buf + pos, bufsz - pos,
1042                          fmt_table, "fina_timeout:",
1043                          le32_to_cpu(ofdm->fina_timeout),
1044                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1045                          max_ofdm->fina_timeout);
1046         pos += scnprintf(buf + pos, bufsz - pos,
1047                          fmt_table, "unresponded_rts:",
1048                          le32_to_cpu(ofdm->unresponded_rts),
1049                          accum_ofdm->unresponded_rts,
1050                          delta_ofdm->unresponded_rts,
1051                          max_ofdm->unresponded_rts);
1052         pos += scnprintf(buf + pos, bufsz - pos,
1053                          fmt_table, "rxe_frame_lmt_ovrun:",
1054                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1055                          accum_ofdm->rxe_frame_limit_overrun,
1056                          delta_ofdm->rxe_frame_limit_overrun,
1057                          max_ofdm->rxe_frame_limit_overrun);
1058         pos += scnprintf(buf + pos, bufsz - pos,
1059                          fmt_table, "sent_ack_cnt:",
1060                          le32_to_cpu(ofdm->sent_ack_cnt),
1061                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1062                          max_ofdm->sent_ack_cnt);
1063         pos += scnprintf(buf + pos, bufsz - pos,
1064                          fmt_table, "sent_cts_cnt:",
1065                          le32_to_cpu(ofdm->sent_cts_cnt),
1066                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1067                          max_ofdm->sent_cts_cnt);
1068         pos += scnprintf(buf + pos, bufsz - pos,
1069                          fmt_table, "sent_ba_rsp_cnt:",
1070                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1071                          accum_ofdm->sent_ba_rsp_cnt,
1072                          delta_ofdm->sent_ba_rsp_cnt,
1073                          max_ofdm->sent_ba_rsp_cnt);
1074         pos += scnprintf(buf + pos, bufsz - pos,
1075                          fmt_table, "dsp_self_kill:",
1076                          le32_to_cpu(ofdm->dsp_self_kill),
1077                          accum_ofdm->dsp_self_kill,
1078                          delta_ofdm->dsp_self_kill,
1079                          max_ofdm->dsp_self_kill);
1080         pos += scnprintf(buf + pos, bufsz - pos,
1081                          fmt_table, "mh_format_err:",
1082                          le32_to_cpu(ofdm->mh_format_err),
1083                          accum_ofdm->mh_format_err,
1084                          delta_ofdm->mh_format_err,
1085                          max_ofdm->mh_format_err);
1086         pos += scnprintf(buf + pos, bufsz - pos,
1087                          fmt_table, "re_acq_main_rssi_sum:",
1088                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1089                          accum_ofdm->re_acq_main_rssi_sum,
1090                          delta_ofdm->re_acq_main_rssi_sum,
1091                          max_ofdm->re_acq_main_rssi_sum);
1092
1093         pos += scnprintf(buf + pos, bufsz - pos,
1094                          fmt_header, "Statistics_Rx - CCK:");
1095         pos += scnprintf(buf + pos, bufsz - pos,
1096                          fmt_table, "ina_cnt:",
1097                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1098                          delta_cck->ina_cnt, max_cck->ina_cnt);
1099         pos += scnprintf(buf + pos, bufsz - pos,
1100                          fmt_table, "fina_cnt:",
1101                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1102                          delta_cck->fina_cnt, max_cck->fina_cnt);
1103         pos += scnprintf(buf + pos, bufsz - pos,
1104                          fmt_table, "plcp_err:",
1105                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1106                          delta_cck->plcp_err, max_cck->plcp_err);
1107         pos += scnprintf(buf + pos, bufsz - pos,
1108                          fmt_table, "crc32_err:",
1109                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1110                          delta_cck->crc32_err, max_cck->crc32_err);
1111         pos += scnprintf(buf + pos, bufsz - pos,
1112                          fmt_table, "overrun_err:",
1113                          le32_to_cpu(cck->overrun_err),
1114                          accum_cck->overrun_err, delta_cck->overrun_err,
1115                          max_cck->overrun_err);
1116         pos += scnprintf(buf + pos, bufsz - pos,
1117                          fmt_table, "early_overrun_err:",
1118                          le32_to_cpu(cck->early_overrun_err),
1119                          accum_cck->early_overrun_err,
1120                          delta_cck->early_overrun_err,
1121                          max_cck->early_overrun_err);
1122         pos += scnprintf(buf + pos, bufsz - pos,
1123                          fmt_table, "crc32_good:",
1124                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1125                          delta_cck->crc32_good, max_cck->crc32_good);
1126         pos += scnprintf(buf + pos, bufsz - pos,
1127                          fmt_table, "false_alarm_cnt:",
1128                          le32_to_cpu(cck->false_alarm_cnt),
1129                          accum_cck->false_alarm_cnt,
1130                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1131         pos += scnprintf(buf + pos, bufsz - pos,
1132                          fmt_table, "fina_sync_err_cnt:",
1133                          le32_to_cpu(cck->fina_sync_err_cnt),
1134                          accum_cck->fina_sync_err_cnt,
1135                          delta_cck->fina_sync_err_cnt,
1136                          max_cck->fina_sync_err_cnt);
1137         pos += scnprintf(buf + pos, bufsz - pos,
1138                          fmt_table, "sfd_timeout:",
1139                          le32_to_cpu(cck->sfd_timeout),
1140                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1141                          max_cck->sfd_timeout);
1142         pos += scnprintf(buf + pos, bufsz - pos,
1143                          fmt_table, "fina_timeout:",
1144                          le32_to_cpu(cck->fina_timeout),
1145                          accum_cck->fina_timeout, delta_cck->fina_timeout,
1146                          max_cck->fina_timeout);
1147         pos += scnprintf(buf + pos, bufsz - pos,
1148                          fmt_table, "unresponded_rts:",
1149                          le32_to_cpu(cck->unresponded_rts),
1150                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1151                          max_cck->unresponded_rts);
1152         pos += scnprintf(buf + pos, bufsz - pos,
1153                          fmt_table, "rxe_frame_lmt_ovrun:",
1154                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1155                          accum_cck->rxe_frame_limit_overrun,
1156                          delta_cck->rxe_frame_limit_overrun,
1157                          max_cck->rxe_frame_limit_overrun);
1158         pos += scnprintf(buf + pos, bufsz - pos,
1159                          fmt_table, "sent_ack_cnt:",
1160                          le32_to_cpu(cck->sent_ack_cnt),
1161                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1162                          max_cck->sent_ack_cnt);
1163         pos += scnprintf(buf + pos, bufsz - pos,
1164                          fmt_table, "sent_cts_cnt:",
1165                          le32_to_cpu(cck->sent_cts_cnt),
1166                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1167                          max_cck->sent_cts_cnt);
1168         pos += scnprintf(buf + pos, bufsz - pos,
1169                          fmt_table, "sent_ba_rsp_cnt:",
1170                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1171                          accum_cck->sent_ba_rsp_cnt,
1172                          delta_cck->sent_ba_rsp_cnt,
1173                          max_cck->sent_ba_rsp_cnt);
1174         pos += scnprintf(buf + pos, bufsz - pos,
1175                          fmt_table, "dsp_self_kill:",
1176                          le32_to_cpu(cck->dsp_self_kill),
1177                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1178                          max_cck->dsp_self_kill);
1179         pos += scnprintf(buf + pos, bufsz - pos,
1180                          fmt_table, "mh_format_err:",
1181                          le32_to_cpu(cck->mh_format_err),
1182                          accum_cck->mh_format_err, delta_cck->mh_format_err,
1183                          max_cck->mh_format_err);
1184         pos += scnprintf(buf + pos, bufsz - pos,
1185                          fmt_table, "re_acq_main_rssi_sum:",
1186                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1187                          accum_cck->re_acq_main_rssi_sum,
1188                          delta_cck->re_acq_main_rssi_sum,
1189                          max_cck->re_acq_main_rssi_sum);
1190
1191         pos += scnprintf(buf + pos, bufsz - pos,
1192                          fmt_header, "Statistics_Rx - GENERAL:");
1193         pos += scnprintf(buf + pos, bufsz - pos,
1194                          fmt_table, "bogus_cts:",
1195                          le32_to_cpu(general->bogus_cts),
1196                          accum_general->bogus_cts, delta_general->bogus_cts,
1197                          max_general->bogus_cts);
1198         pos += scnprintf(buf + pos, bufsz - pos,
1199                          fmt_table, "bogus_ack:",
1200                          le32_to_cpu(general->bogus_ack),
1201                          accum_general->bogus_ack, delta_general->bogus_ack,
1202                          max_general->bogus_ack);
1203         pos += scnprintf(buf + pos, bufsz - pos,
1204                          fmt_table, "non_bssid_frames:",
1205                          le32_to_cpu(general->non_bssid_frames),
1206                          accum_general->non_bssid_frames,
1207                          delta_general->non_bssid_frames,
1208                          max_general->non_bssid_frames);
1209         pos += scnprintf(buf + pos, bufsz - pos,
1210                          fmt_table, "filtered_frames:",
1211                          le32_to_cpu(general->filtered_frames),
1212                          accum_general->filtered_frames,
1213                          delta_general->filtered_frames,
1214                          max_general->filtered_frames);
1215         pos += scnprintf(buf + pos, bufsz - pos,
1216                          fmt_table, "non_channel_beacons:",
1217                          le32_to_cpu(general->non_channel_beacons),
1218                          accum_general->non_channel_beacons,
1219                          delta_general->non_channel_beacons,
1220                          max_general->non_channel_beacons);
1221         pos += scnprintf(buf + pos, bufsz - pos,
1222                          fmt_table, "channel_beacons:",
1223                          le32_to_cpu(general->channel_beacons),
1224                          accum_general->channel_beacons,
1225                          delta_general->channel_beacons,
1226                          max_general->channel_beacons);
1227         pos += scnprintf(buf + pos, bufsz - pos,
1228                          fmt_table, "num_missed_bcon:",
1229                          le32_to_cpu(general->num_missed_bcon),
1230                          accum_general->num_missed_bcon,
1231                          delta_general->num_missed_bcon,
1232                          max_general->num_missed_bcon);
1233         pos += scnprintf(buf + pos, bufsz - pos,
1234                          fmt_table, "adc_rx_saturation_time:",
1235                          le32_to_cpu(general->adc_rx_saturation_time),
1236                          accum_general->adc_rx_saturation_time,
1237                          delta_general->adc_rx_saturation_time,
1238                          max_general->adc_rx_saturation_time);
1239         pos += scnprintf(buf + pos, bufsz - pos,
1240                          fmt_table, "ina_detect_search_tm:",
1241                          le32_to_cpu(general->ina_detection_search_time),
1242                          accum_general->ina_detection_search_time,
1243                          delta_general->ina_detection_search_time,
1244                          max_general->ina_detection_search_time);
1245         pos += scnprintf(buf + pos, bufsz - pos,
1246                          fmt_table, "beacon_silence_rssi_a:",
1247                          le32_to_cpu(general->beacon_silence_rssi_a),
1248                          accum_general->beacon_silence_rssi_a,
1249                          delta_general->beacon_silence_rssi_a,
1250                          max_general->beacon_silence_rssi_a);
1251         pos += scnprintf(buf + pos, bufsz - pos,
1252                          fmt_table, "beacon_silence_rssi_b:",
1253                          le32_to_cpu(general->beacon_silence_rssi_b),
1254                          accum_general->beacon_silence_rssi_b,
1255                          delta_general->beacon_silence_rssi_b,
1256                          max_general->beacon_silence_rssi_b);
1257         pos += scnprintf(buf + pos, bufsz - pos,
1258                          fmt_table, "beacon_silence_rssi_c:",
1259                          le32_to_cpu(general->beacon_silence_rssi_c),
1260                          accum_general->beacon_silence_rssi_c,
1261                          delta_general->beacon_silence_rssi_c,
1262                          max_general->beacon_silence_rssi_c);
1263         pos += scnprintf(buf + pos, bufsz - pos,
1264                          fmt_table, "interference_data_flag:",
1265                          le32_to_cpu(general->interference_data_flag),
1266                          accum_general->interference_data_flag,
1267                          delta_general->interference_data_flag,
1268                          max_general->interference_data_flag);
1269         pos += scnprintf(buf + pos, bufsz - pos,
1270                          fmt_table, "channel_load:",
1271                          le32_to_cpu(general->channel_load),
1272                          accum_general->channel_load,
1273                          delta_general->channel_load,
1274                          max_general->channel_load);
1275         pos += scnprintf(buf + pos, bufsz - pos,
1276                          fmt_table, "dsp_false_alarms:",
1277                          le32_to_cpu(general->dsp_false_alarms),
1278                          accum_general->dsp_false_alarms,
1279                          delta_general->dsp_false_alarms,
1280                          max_general->dsp_false_alarms);
1281         pos += scnprintf(buf + pos, bufsz - pos,
1282                          fmt_table, "beacon_rssi_a:",
1283                          le32_to_cpu(general->beacon_rssi_a),
1284                          accum_general->beacon_rssi_a,
1285                          delta_general->beacon_rssi_a,
1286                          max_general->beacon_rssi_a);
1287         pos += scnprintf(buf + pos, bufsz - pos,
1288                          fmt_table, "beacon_rssi_b:",
1289                          le32_to_cpu(general->beacon_rssi_b),
1290                          accum_general->beacon_rssi_b,
1291                          delta_general->beacon_rssi_b,
1292                          max_general->beacon_rssi_b);
1293         pos += scnprintf(buf + pos, bufsz - pos,
1294                          fmt_table, "beacon_rssi_c:",
1295                          le32_to_cpu(general->beacon_rssi_c),
1296                          accum_general->beacon_rssi_c,
1297                          delta_general->beacon_rssi_c,
1298                          max_general->beacon_rssi_c);
1299         pos += scnprintf(buf + pos, bufsz - pos,
1300                          fmt_table, "beacon_energy_a:",
1301                          le32_to_cpu(general->beacon_energy_a),
1302                          accum_general->beacon_energy_a,
1303                          delta_general->beacon_energy_a,
1304                          max_general->beacon_energy_a);
1305         pos += scnprintf(buf + pos, bufsz - pos,
1306                          fmt_table, "beacon_energy_b:",
1307                          le32_to_cpu(general->beacon_energy_b),
1308                          accum_general->beacon_energy_b,
1309                          delta_general->beacon_energy_b,
1310                          max_general->beacon_energy_b);
1311         pos += scnprintf(buf + pos, bufsz - pos,
1312                          fmt_table, "beacon_energy_c:",
1313                          le32_to_cpu(general->beacon_energy_c),
1314                          accum_general->beacon_energy_c,
1315                          delta_general->beacon_energy_c,
1316                          max_general->beacon_energy_c);
1317
1318         pos += scnprintf(buf + pos, bufsz - pos,
1319                          fmt_header, "Statistics_Rx - OFDM_HT:");
1320         pos += scnprintf(buf + pos, bufsz - pos,
1321                          fmt_table, "plcp_err:",
1322                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1323                          delta_ht->plcp_err, max_ht->plcp_err);
1324         pos += scnprintf(buf + pos, bufsz - pos,
1325                          fmt_table, "overrun_err:",
1326                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1327                          delta_ht->overrun_err, max_ht->overrun_err);
1328         pos += scnprintf(buf + pos, bufsz - pos,
1329                          fmt_table, "early_overrun_err:",
1330                          le32_to_cpu(ht->early_overrun_err),
1331                          accum_ht->early_overrun_err,
1332                          delta_ht->early_overrun_err,
1333                          max_ht->early_overrun_err);
1334         pos += scnprintf(buf + pos, bufsz - pos,
1335                          fmt_table, "crc32_good:",
1336                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1337                          delta_ht->crc32_good, max_ht->crc32_good);
1338         pos += scnprintf(buf + pos, bufsz - pos,
1339                          fmt_table, "crc32_err:",
1340                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1341                          delta_ht->crc32_err, max_ht->crc32_err);
1342         pos += scnprintf(buf + pos, bufsz - pos,
1343                          fmt_table, "mh_format_err:",
1344                          le32_to_cpu(ht->mh_format_err),
1345                          accum_ht->mh_format_err,
1346                          delta_ht->mh_format_err, max_ht->mh_format_err);
1347         pos += scnprintf(buf + pos, bufsz - pos,
1348                          fmt_table, "agg_crc32_good:",
1349                          le32_to_cpu(ht->agg_crc32_good),
1350                          accum_ht->agg_crc32_good,
1351                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1352         pos += scnprintf(buf + pos, bufsz - pos,
1353                          fmt_table, "agg_mpdu_cnt:",
1354                          le32_to_cpu(ht->agg_mpdu_cnt),
1355                          accum_ht->agg_mpdu_cnt,
1356                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1357         pos += scnprintf(buf + pos, bufsz - pos,
1358                          fmt_table, "agg_cnt:",
1359                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1360                          delta_ht->agg_cnt, max_ht->agg_cnt);
1361         pos += scnprintf(buf + pos, bufsz - pos,
1362                          fmt_table, "unsupport_mcs:",
1363                          le32_to_cpu(ht->unsupport_mcs),
1364                          accum_ht->unsupport_mcs,
1365                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1366
1367         spin_unlock_bh(&priv->statistics.lock);
1368
1369         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1370         kfree(buf);
1371         return ret;
1372 }
1373
1374 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1375                                         char __user *user_buf,
1376                                         size_t count, loff_t *ppos)
1377 {
1378         struct iwl_priv *priv = file->private_data;
1379         int pos = 0;
1380         char *buf;
1381         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1382         ssize_t ret;
1383         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1384
1385         if (!iwl_is_alive(priv->shrd))
1386                 return -EAGAIN;
1387
1388         buf = kzalloc(bufsz, GFP_KERNEL);
1389         if (!buf) {
1390                 IWL_ERR(priv, "Can not allocate Buffer\n");
1391                 return -ENOMEM;
1392         }
1393
1394         /* the statistic information display here is based on
1395          * the last statistics notification from uCode
1396          * might not reflect the current uCode activity
1397          */
1398         spin_lock_bh(&priv->statistics.lock);
1399
1400         tx = &priv->statistics.tx;
1401         accum_tx = &priv->accum_stats.tx;
1402         delta_tx = &priv->delta_stats.tx;
1403         max_tx = &priv->max_delta_stats.tx;
1404
1405         pos += iwl_statistics_flag(priv, buf, bufsz);
1406         pos += scnprintf(buf + pos, bufsz - pos,
1407                          fmt_header, "Statistics_Tx:");
1408         pos += scnprintf(buf + pos, bufsz - pos,
1409                          fmt_table, "preamble:",
1410                          le32_to_cpu(tx->preamble_cnt),
1411                          accum_tx->preamble_cnt,
1412                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1413         pos += scnprintf(buf + pos, bufsz - pos,
1414                          fmt_table, "rx_detected_cnt:",
1415                          le32_to_cpu(tx->rx_detected_cnt),
1416                          accum_tx->rx_detected_cnt,
1417                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1418         pos += scnprintf(buf + pos, bufsz - pos,
1419                          fmt_table, "bt_prio_defer_cnt:",
1420                          le32_to_cpu(tx->bt_prio_defer_cnt),
1421                          accum_tx->bt_prio_defer_cnt,
1422                          delta_tx->bt_prio_defer_cnt,
1423                          max_tx->bt_prio_defer_cnt);
1424         pos += scnprintf(buf + pos, bufsz - pos,
1425                          fmt_table, "bt_prio_kill_cnt:",
1426                          le32_to_cpu(tx->bt_prio_kill_cnt),
1427                          accum_tx->bt_prio_kill_cnt,
1428                          delta_tx->bt_prio_kill_cnt,
1429                          max_tx->bt_prio_kill_cnt);
1430         pos += scnprintf(buf + pos, bufsz - pos,
1431                          fmt_table, "few_bytes_cnt:",
1432                          le32_to_cpu(tx->few_bytes_cnt),
1433                          accum_tx->few_bytes_cnt,
1434                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1435         pos += scnprintf(buf + pos, bufsz - pos,
1436                          fmt_table, "cts_timeout:",
1437                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1438                          delta_tx->cts_timeout, max_tx->cts_timeout);
1439         pos += scnprintf(buf + pos, bufsz - pos,
1440                          fmt_table, "ack_timeout:",
1441                          le32_to_cpu(tx->ack_timeout),
1442                          accum_tx->ack_timeout,
1443                          delta_tx->ack_timeout, max_tx->ack_timeout);
1444         pos += scnprintf(buf + pos, bufsz - pos,
1445                          fmt_table, "expected_ack_cnt:",
1446                          le32_to_cpu(tx->expected_ack_cnt),
1447                          accum_tx->expected_ack_cnt,
1448                          delta_tx->expected_ack_cnt,
1449                          max_tx->expected_ack_cnt);
1450         pos += scnprintf(buf + pos, bufsz - pos,
1451                          fmt_table, "actual_ack_cnt:",
1452                          le32_to_cpu(tx->actual_ack_cnt),
1453                          accum_tx->actual_ack_cnt,
1454                          delta_tx->actual_ack_cnt,
1455                          max_tx->actual_ack_cnt);
1456         pos += scnprintf(buf + pos, bufsz - pos,
1457                          fmt_table, "dump_msdu_cnt:",
1458                          le32_to_cpu(tx->dump_msdu_cnt),
1459                          accum_tx->dump_msdu_cnt,
1460                          delta_tx->dump_msdu_cnt,
1461                          max_tx->dump_msdu_cnt);
1462         pos += scnprintf(buf + pos, bufsz - pos,
1463                          fmt_table, "abort_nxt_frame_mismatch:",
1464                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1465                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1466                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1467                          max_tx->burst_abort_next_frame_mismatch_cnt);
1468         pos += scnprintf(buf + pos, bufsz - pos,
1469                          fmt_table, "abort_missing_nxt_frame:",
1470                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1471                          accum_tx->burst_abort_missing_next_frame_cnt,
1472                          delta_tx->burst_abort_missing_next_frame_cnt,
1473                          max_tx->burst_abort_missing_next_frame_cnt);
1474         pos += scnprintf(buf + pos, bufsz - pos,
1475                          fmt_table, "cts_timeout_collision:",
1476                          le32_to_cpu(tx->cts_timeout_collision),
1477                          accum_tx->cts_timeout_collision,
1478                          delta_tx->cts_timeout_collision,
1479                          max_tx->cts_timeout_collision);
1480         pos += scnprintf(buf + pos, bufsz - pos,
1481                          fmt_table, "ack_ba_timeout_collision:",
1482                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1483                          accum_tx->ack_or_ba_timeout_collision,
1484                          delta_tx->ack_or_ba_timeout_collision,
1485                          max_tx->ack_or_ba_timeout_collision);
1486         pos += scnprintf(buf + pos, bufsz - pos,
1487                          fmt_table, "agg ba_timeout:",
1488                          le32_to_cpu(tx->agg.ba_timeout),
1489                          accum_tx->agg.ba_timeout,
1490                          delta_tx->agg.ba_timeout,
1491                          max_tx->agg.ba_timeout);
1492         pos += scnprintf(buf + pos, bufsz - pos,
1493                          fmt_table, "agg ba_resched_frames:",
1494                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1495                          accum_tx->agg.ba_reschedule_frames,
1496                          delta_tx->agg.ba_reschedule_frames,
1497                          max_tx->agg.ba_reschedule_frames);
1498         pos += scnprintf(buf + pos, bufsz - pos,
1499                          fmt_table, "agg scd_query_agg_frame:",
1500                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1501                          accum_tx->agg.scd_query_agg_frame_cnt,
1502                          delta_tx->agg.scd_query_agg_frame_cnt,
1503                          max_tx->agg.scd_query_agg_frame_cnt);
1504         pos += scnprintf(buf + pos, bufsz - pos,
1505                          fmt_table, "agg scd_query_no_agg:",
1506                          le32_to_cpu(tx->agg.scd_query_no_agg),
1507                          accum_tx->agg.scd_query_no_agg,
1508                          delta_tx->agg.scd_query_no_agg,
1509                          max_tx->agg.scd_query_no_agg);
1510         pos += scnprintf(buf + pos, bufsz - pos,
1511                          fmt_table, "agg scd_query_agg:",
1512                          le32_to_cpu(tx->agg.scd_query_agg),
1513                          accum_tx->agg.scd_query_agg,
1514                          delta_tx->agg.scd_query_agg,
1515                          max_tx->agg.scd_query_agg);
1516         pos += scnprintf(buf + pos, bufsz - pos,
1517                          fmt_table, "agg scd_query_mismatch:",
1518                          le32_to_cpu(tx->agg.scd_query_mismatch),
1519                          accum_tx->agg.scd_query_mismatch,
1520                          delta_tx->agg.scd_query_mismatch,
1521                          max_tx->agg.scd_query_mismatch);
1522         pos += scnprintf(buf + pos, bufsz - pos,
1523                          fmt_table, "agg frame_not_ready:",
1524                          le32_to_cpu(tx->agg.frame_not_ready),
1525                          accum_tx->agg.frame_not_ready,
1526                          delta_tx->agg.frame_not_ready,
1527                          max_tx->agg.frame_not_ready);
1528         pos += scnprintf(buf + pos, bufsz - pos,
1529                          fmt_table, "agg underrun:",
1530                          le32_to_cpu(tx->agg.underrun),
1531                          accum_tx->agg.underrun,
1532                          delta_tx->agg.underrun, max_tx->agg.underrun);
1533         pos += scnprintf(buf + pos, bufsz - pos,
1534                          fmt_table, "agg bt_prio_kill:",
1535                          le32_to_cpu(tx->agg.bt_prio_kill),
1536                          accum_tx->agg.bt_prio_kill,
1537                          delta_tx->agg.bt_prio_kill,
1538                          max_tx->agg.bt_prio_kill);
1539         pos += scnprintf(buf + pos, bufsz - pos,
1540                          fmt_table, "agg rx_ba_rsp_cnt:",
1541                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1542                          accum_tx->agg.rx_ba_rsp_cnt,
1543                          delta_tx->agg.rx_ba_rsp_cnt,
1544                          max_tx->agg.rx_ba_rsp_cnt);
1545
1546         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1547                 pos += scnprintf(buf + pos, bufsz - pos,
1548                         "tx power: (1/2 dB step)\n");
1549                 if ((cfg(priv)->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1550                         pos += scnprintf(buf + pos, bufsz - pos,
1551                                         fmt_hex, "antenna A:",
1552                                         tx->tx_power.ant_a);
1553                 if ((cfg(priv)->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1554                         pos += scnprintf(buf + pos, bufsz - pos,
1555                                         fmt_hex, "antenna B:",
1556                                         tx->tx_power.ant_b);
1557                 if ((cfg(priv)->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1558                         pos += scnprintf(buf + pos, bufsz - pos,
1559                                         fmt_hex, "antenna C:",
1560                                         tx->tx_power.ant_c);
1561         }
1562
1563         spin_unlock_bh(&priv->statistics.lock);
1564
1565         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1566         kfree(buf);
1567         return ret;
1568 }
1569
1570 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1571                                         char __user *user_buf,
1572                                         size_t count, loff_t *ppos)
1573 {
1574         struct iwl_priv *priv = file->private_data;
1575         int pos = 0;
1576         char *buf;
1577         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1578         ssize_t ret;
1579         struct statistics_general_common *general, *accum_general;
1580         struct statistics_general_common *delta_general, *max_general;
1581         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1582         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1583
1584         if (!iwl_is_alive(priv->shrd))
1585                 return -EAGAIN;
1586
1587         buf = kzalloc(bufsz, GFP_KERNEL);
1588         if (!buf) {
1589                 IWL_ERR(priv, "Can not allocate Buffer\n");
1590                 return -ENOMEM;
1591         }
1592
1593         /* the statistic information display here is based on
1594          * the last statistics notification from uCode
1595          * might not reflect the current uCode activity
1596          */
1597
1598         spin_lock_bh(&priv->statistics.lock);
1599
1600         general = &priv->statistics.common;
1601         dbg = &priv->statistics.common.dbg;
1602         div = &priv->statistics.common.div;
1603         accum_general = &priv->accum_stats.common;
1604         accum_dbg = &priv->accum_stats.common.dbg;
1605         accum_div = &priv->accum_stats.common.div;
1606         delta_general = &priv->delta_stats.common;
1607         max_general = &priv->max_delta_stats.common;
1608         delta_dbg = &priv->delta_stats.common.dbg;
1609         max_dbg = &priv->max_delta_stats.common.dbg;
1610         delta_div = &priv->delta_stats.common.div;
1611         max_div = &priv->max_delta_stats.common.div;
1612
1613         pos += iwl_statistics_flag(priv, buf, bufsz);
1614         pos += scnprintf(buf + pos, bufsz - pos,
1615                          fmt_header, "Statistics_General:");
1616         pos += scnprintf(buf + pos, bufsz - pos,
1617                          fmt_value, "temperature:",
1618                          le32_to_cpu(general->temperature));
1619         pos += scnprintf(buf + pos, bufsz - pos,
1620                          fmt_value, "temperature_m:",
1621                          le32_to_cpu(general->temperature_m));
1622         pos += scnprintf(buf + pos, bufsz - pos,
1623                          fmt_value, "ttl_timestamp:",
1624                          le32_to_cpu(general->ttl_timestamp));
1625         pos += scnprintf(buf + pos, bufsz - pos,
1626                          fmt_table, "burst_check:",
1627                          le32_to_cpu(dbg->burst_check),
1628                          accum_dbg->burst_check,
1629                          delta_dbg->burst_check, max_dbg->burst_check);
1630         pos += scnprintf(buf + pos, bufsz - pos,
1631                          fmt_table, "burst_count:",
1632                          le32_to_cpu(dbg->burst_count),
1633                          accum_dbg->burst_count,
1634                          delta_dbg->burst_count, max_dbg->burst_count);
1635         pos += scnprintf(buf + pos, bufsz - pos,
1636                          fmt_table, "wait_for_silence_timeout_count:",
1637                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1638                          accum_dbg->wait_for_silence_timeout_cnt,
1639                          delta_dbg->wait_for_silence_timeout_cnt,
1640                          max_dbg->wait_for_silence_timeout_cnt);
1641         pos += scnprintf(buf + pos, bufsz - pos,
1642                          fmt_table, "sleep_time:",
1643                          le32_to_cpu(general->sleep_time),
1644                          accum_general->sleep_time,
1645                          delta_general->sleep_time, max_general->sleep_time);
1646         pos += scnprintf(buf + pos, bufsz - pos,
1647                          fmt_table, "slots_out:",
1648                          le32_to_cpu(general->slots_out),
1649                          accum_general->slots_out,
1650                          delta_general->slots_out, max_general->slots_out);
1651         pos += scnprintf(buf + pos, bufsz - pos,
1652                          fmt_table, "slots_idle:",
1653                          le32_to_cpu(general->slots_idle),
1654                          accum_general->slots_idle,
1655                          delta_general->slots_idle, max_general->slots_idle);
1656         pos += scnprintf(buf + pos, bufsz - pos,
1657                          fmt_table, "tx_on_a:",
1658                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1659                          delta_div->tx_on_a, max_div->tx_on_a);
1660         pos += scnprintf(buf + pos, bufsz - pos,
1661                          fmt_table, "tx_on_b:",
1662                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1663                          delta_div->tx_on_b, max_div->tx_on_b);
1664         pos += scnprintf(buf + pos, bufsz - pos,
1665                          fmt_table, "exec_time:",
1666                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1667                          delta_div->exec_time, max_div->exec_time);
1668         pos += scnprintf(buf + pos, bufsz - pos,
1669                          fmt_table, "probe_time:",
1670                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1671                          delta_div->probe_time, max_div->probe_time);
1672         pos += scnprintf(buf + pos, bufsz - pos,
1673                          fmt_table, "rx_enable_counter:",
1674                          le32_to_cpu(general->rx_enable_counter),
1675                          accum_general->rx_enable_counter,
1676                          delta_general->rx_enable_counter,
1677                          max_general->rx_enable_counter);
1678         pos += scnprintf(buf + pos, bufsz - pos,
1679                          fmt_table, "num_of_sos_states:",
1680                          le32_to_cpu(general->num_of_sos_states),
1681                          accum_general->num_of_sos_states,
1682                          delta_general->num_of_sos_states,
1683                          max_general->num_of_sos_states);
1684
1685         spin_unlock_bh(&priv->statistics.lock);
1686
1687         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1688         kfree(buf);
1689         return ret;
1690 }
1691
1692 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1693                                         char __user *user_buf,
1694                                         size_t count, loff_t *ppos)
1695 {
1696         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1697         int pos = 0;
1698         char *buf;
1699         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1700         ssize_t ret;
1701         struct statistics_bt_activity *bt, *accum_bt;
1702
1703         if (!iwl_is_alive(priv->shrd))
1704                 return -EAGAIN;
1705
1706         if (!priv->bt_enable_flag)
1707                 return -EINVAL;
1708
1709         /* make request to uCode to retrieve statistics information */
1710         mutex_lock(&priv->shrd->mutex);
1711         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1712         mutex_unlock(&priv->shrd->mutex);
1713
1714         if (ret) {
1715                 IWL_ERR(priv,
1716                         "Error sending statistics request: %zd\n", ret);
1717                 return -EAGAIN;
1718         }
1719         buf = kzalloc(bufsz, GFP_KERNEL);
1720         if (!buf) {
1721                 IWL_ERR(priv, "Can not allocate Buffer\n");
1722                 return -ENOMEM;
1723         }
1724
1725         /*
1726          * the statistic information display here is based on
1727          * the last statistics notification from uCode
1728          * might not reflect the current uCode activity
1729          */
1730
1731         spin_lock_bh(&priv->statistics.lock);
1732
1733         bt = &priv->statistics.bt_activity;
1734         accum_bt = &priv->accum_stats.bt_activity;
1735
1736         pos += iwl_statistics_flag(priv, buf, bufsz);
1737         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1738         pos += scnprintf(buf + pos, bufsz - pos,
1739                         "\t\t\tcurrent\t\t\taccumulative\n");
1740         pos += scnprintf(buf + pos, bufsz - pos,
1741                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1742                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1743                          accum_bt->hi_priority_tx_req_cnt);
1744         pos += scnprintf(buf + pos, bufsz - pos,
1745                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1746                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1747                          accum_bt->hi_priority_tx_denied_cnt);
1748         pos += scnprintf(buf + pos, bufsz - pos,
1749                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1750                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1751                          accum_bt->lo_priority_tx_req_cnt);
1752         pos += scnprintf(buf + pos, bufsz - pos,
1753                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1754                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1755                          accum_bt->lo_priority_tx_denied_cnt);
1756         pos += scnprintf(buf + pos, bufsz - pos,
1757                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1758                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1759                          accum_bt->hi_priority_rx_req_cnt);
1760         pos += scnprintf(buf + pos, bufsz - pos,
1761                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1762                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1763                          accum_bt->hi_priority_rx_denied_cnt);
1764         pos += scnprintf(buf + pos, bufsz - pos,
1765                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1766                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1767                          accum_bt->lo_priority_rx_req_cnt);
1768         pos += scnprintf(buf + pos, bufsz - pos,
1769                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1770                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1771                          accum_bt->lo_priority_rx_denied_cnt);
1772
1773         pos += scnprintf(buf + pos, bufsz - pos,
1774                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1775                          le32_to_cpu(priv->statistics.num_bt_kills),
1776                          priv->statistics.accum_num_bt_kills);
1777
1778         spin_unlock_bh(&priv->statistics.lock);
1779
1780         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1781         kfree(buf);
1782         return ret;
1783 }
1784
1785 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1786                                         char __user *user_buf,
1787                                         size_t count, loff_t *ppos)
1788 {
1789         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1790         int pos = 0;
1791         char *buf;
1792         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1793                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1794         ssize_t ret;
1795
1796         if (!iwl_is_alive(priv->shrd))
1797                 return -EAGAIN;
1798
1799         buf = kzalloc(bufsz, GFP_KERNEL);
1800         if (!buf) {
1801                 IWL_ERR(priv, "Can not allocate Buffer\n");
1802                 return -ENOMEM;
1803         }
1804
1805         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1806         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1807                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1808                          priv->reply_tx_stats.pp_delay);
1809         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1810                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1811                          priv->reply_tx_stats.pp_few_bytes);
1812         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1813                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1814                          priv->reply_tx_stats.pp_bt_prio);
1815         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1816                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1817                          priv->reply_tx_stats.pp_quiet_period);
1818         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1819                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1820                          priv->reply_tx_stats.pp_calc_ttak);
1821         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1822                          iwl_get_tx_fail_reason(
1823                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1824                          priv->reply_tx_stats.int_crossed_retry);
1825         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1826                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1827                          priv->reply_tx_stats.short_limit);
1828         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1829                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1830                          priv->reply_tx_stats.long_limit);
1831         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1832                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1833                          priv->reply_tx_stats.fifo_underrun);
1834         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1835                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1836                          priv->reply_tx_stats.drain_flow);
1837         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1838                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1839                          priv->reply_tx_stats.rfkill_flush);
1840         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1841                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1842                          priv->reply_tx_stats.life_expire);
1843         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1844                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1845                          priv->reply_tx_stats.dest_ps);
1846         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1847                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1848                          priv->reply_tx_stats.host_abort);
1849         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1850                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1851                          priv->reply_tx_stats.pp_delay);
1852         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1853                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1854                          priv->reply_tx_stats.sta_invalid);
1855         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1856                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1857                          priv->reply_tx_stats.frag_drop);
1858         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1859                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1860                          priv->reply_tx_stats.tid_disable);
1861         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1862                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1863                          priv->reply_tx_stats.fifo_flush);
1864         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1865                          iwl_get_tx_fail_reason(
1866                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1867                          priv->reply_tx_stats.insuff_cf_poll);
1868         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1869                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1870                          priv->reply_tx_stats.fail_hw_drop);
1871         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1872                          iwl_get_tx_fail_reason(
1873                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1874                          priv->reply_tx_stats.sta_color_mismatch);
1875         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1876                          priv->reply_tx_stats.unknown);
1877
1878         pos += scnprintf(buf + pos, bufsz - pos,
1879                          "\nStatistics_Agg_TX_Error:\n");
1880
1881         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1882                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1883                          priv->reply_agg_tx_stats.underrun);
1884         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1885                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1886                          priv->reply_agg_tx_stats.bt_prio);
1887         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1888                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1889                          priv->reply_agg_tx_stats.few_bytes);
1890         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1891                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1892                          priv->reply_agg_tx_stats.abort);
1893         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1894                          iwl_get_agg_tx_fail_reason(
1895                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1896                          priv->reply_agg_tx_stats.last_sent_ttl);
1897         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1898                          iwl_get_agg_tx_fail_reason(
1899                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1900                          priv->reply_agg_tx_stats.last_sent_try);
1901         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1902                          iwl_get_agg_tx_fail_reason(
1903                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1904                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1905         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1906                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1907                          priv->reply_agg_tx_stats.scd_query);
1908         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1909                          iwl_get_agg_tx_fail_reason(
1910                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1911                          priv->reply_agg_tx_stats.bad_crc32);
1912         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1913                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1914                          priv->reply_agg_tx_stats.response);
1915         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1916                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1917                          priv->reply_agg_tx_stats.dump_tx);
1918         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1919                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1920                          priv->reply_agg_tx_stats.delay_tx);
1921         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1922                          priv->reply_agg_tx_stats.unknown);
1923
1924         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1925         kfree(buf);
1926         return ret;
1927 }
1928
1929 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1930                                         char __user *user_buf,
1931                                         size_t count, loff_t *ppos) {
1932
1933         struct iwl_priv *priv = file->private_data;
1934         int pos = 0;
1935         int cnt = 0;
1936         char *buf;
1937         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1938         ssize_t ret;
1939         struct iwl_sensitivity_data *data;
1940
1941         data = &priv->sensitivity_data;
1942         buf = kzalloc(bufsz, GFP_KERNEL);
1943         if (!buf) {
1944                 IWL_ERR(priv, "Can not allocate Buffer\n");
1945                 return -ENOMEM;
1946         }
1947
1948         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1949                         data->auto_corr_ofdm);
1950         pos += scnprintf(buf + pos, bufsz - pos,
1951                         "auto_corr_ofdm_mrc:\t\t %u\n",
1952                         data->auto_corr_ofdm_mrc);
1953         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1954                         data->auto_corr_ofdm_x1);
1955         pos += scnprintf(buf + pos, bufsz - pos,
1956                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1957                         data->auto_corr_ofdm_mrc_x1);
1958         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1959                         data->auto_corr_cck);
1960         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1961                         data->auto_corr_cck_mrc);
1962         pos += scnprintf(buf + pos, bufsz - pos,
1963                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1964                         data->last_bad_plcp_cnt_ofdm);
1965         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1966                         data->last_fa_cnt_ofdm);
1967         pos += scnprintf(buf + pos, bufsz - pos,
1968                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1969                         data->last_bad_plcp_cnt_cck);
1970         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1971                         data->last_fa_cnt_cck);
1972         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1973                         data->nrg_curr_state);
1974         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1975                         data->nrg_prev_state);
1976         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1977         for (cnt = 0; cnt < 10; cnt++) {
1978                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1979                                 data->nrg_value[cnt]);
1980         }
1981         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1982         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1983         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1984                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1985                                 data->nrg_silence_rssi[cnt]);
1986         }
1987         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1988         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1989                         data->nrg_silence_ref);
1990         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1991                         data->nrg_energy_idx);
1992         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1993                         data->nrg_silence_idx);
1994         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1995                         data->nrg_th_cck);
1996         pos += scnprintf(buf + pos, bufsz - pos,
1997                         "nrg_auto_corr_silence_diff:\t %u\n",
1998                         data->nrg_auto_corr_silence_diff);
1999         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
2000                         data->num_in_cck_no_fa);
2001         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2002                         data->nrg_th_ofdm);
2003
2004         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2005         kfree(buf);
2006         return ret;
2007 }
2008
2009
2010 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2011                                         char __user *user_buf,
2012                                         size_t count, loff_t *ppos) {
2013
2014         struct iwl_priv *priv = file->private_data;
2015         int pos = 0;
2016         int cnt = 0;
2017         char *buf;
2018         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2019         ssize_t ret;
2020         struct iwl_chain_noise_data *data;
2021
2022         data = &priv->chain_noise_data;
2023         buf = kzalloc(bufsz, GFP_KERNEL);
2024         if (!buf) {
2025                 IWL_ERR(priv, "Can not allocate Buffer\n");
2026                 return -ENOMEM;
2027         }
2028
2029         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2030                         data->active_chains);
2031         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2032                         data->chain_noise_a);
2033         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2034                         data->chain_noise_b);
2035         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2036                         data->chain_noise_c);
2037         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2038                         data->chain_signal_a);
2039         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2040                         data->chain_signal_b);
2041         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2042                         data->chain_signal_c);
2043         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2044                         data->beacon_count);
2045
2046         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2047         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2048                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2049                                 data->disconn_array[cnt]);
2050         }
2051         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2052         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2053         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2054                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2055                                 data->delta_gain_code[cnt]);
2056         }
2057         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2058         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2059                         data->radio_write);
2060         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2061                         data->state);
2062
2063         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2064         kfree(buf);
2065         return ret;
2066 }
2067
2068 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2069                                                     char __user *user_buf,
2070                                                     size_t count, loff_t *ppos)
2071 {
2072         struct iwl_priv *priv = file->private_data;
2073         char buf[60];
2074         int pos = 0;
2075         const size_t bufsz = sizeof(buf);
2076         u32 pwrsave_status;
2077
2078         pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) &
2079                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2080
2081         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2082         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2083                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2084                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2085                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2086                 "error");
2087
2088         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2089 }
2090
2091 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2092                                          const char __user *user_buf,
2093                                          size_t count, loff_t *ppos)
2094 {
2095         struct iwl_priv *priv = file->private_data;
2096         char buf[8];
2097         int buf_size;
2098         int clear;
2099
2100         memset(buf, 0, sizeof(buf));
2101         buf_size = min(count, sizeof(buf) -  1);
2102         if (copy_from_user(buf, user_buf, buf_size))
2103                 return -EFAULT;
2104         if (sscanf(buf, "%d", &clear) != 1)
2105                 return -EFAULT;
2106
2107         /* make request to uCode to retrieve statistics information */
2108         mutex_lock(&priv->shrd->mutex);
2109         iwl_send_statistics_request(priv, CMD_SYNC, true);
2110         mutex_unlock(&priv->shrd->mutex);
2111
2112         return count;
2113 }
2114
2115 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2116                                         char __user *user_buf,
2117                                         size_t count, loff_t *ppos) {
2118
2119         struct iwl_priv *priv = file->private_data;
2120         int pos = 0;
2121         char buf[128];
2122         const size_t bufsz = sizeof(buf);
2123
2124         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2125                         priv->event_log.ucode_trace ? "On" : "Off");
2126         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2127                         priv->event_log.non_wraps_count);
2128         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2129                         priv->event_log.wraps_once_count);
2130         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2131                         priv->event_log.wraps_more_count);
2132
2133         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2134 }
2135
2136 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2137                                          const char __user *user_buf,
2138                                          size_t count, loff_t *ppos)
2139 {
2140         struct iwl_priv *priv = file->private_data;
2141         char buf[8];
2142         int buf_size;
2143         int trace;
2144
2145         memset(buf, 0, sizeof(buf));
2146         buf_size = min(count, sizeof(buf) -  1);
2147         if (copy_from_user(buf, user_buf, buf_size))
2148                 return -EFAULT;
2149         if (sscanf(buf, "%d", &trace) != 1)
2150                 return -EFAULT;
2151
2152         if (trace) {
2153                 priv->event_log.ucode_trace = true;
2154                 if (iwl_is_alive(priv->shrd)) {
2155                         /* start collecting data now */
2156                         mod_timer(&priv->ucode_trace, jiffies);
2157                 }
2158         } else {
2159                 priv->event_log.ucode_trace = false;
2160                 del_timer_sync(&priv->ucode_trace);
2161         }
2162
2163         return count;
2164 }
2165
2166 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2167                                          char __user *user_buf,
2168                                          size_t count, loff_t *ppos) {
2169
2170         struct iwl_priv *priv = file->private_data;
2171         int len = 0;
2172         char buf[20];
2173
2174         len = sprintf(buf, "0x%04X\n",
2175                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2176         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2177 }
2178
2179 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2180                                                 char __user *user_buf,
2181                                                 size_t count, loff_t *ppos) {
2182
2183         struct iwl_priv *priv = file->private_data;
2184         int len = 0;
2185         char buf[20];
2186
2187         len = sprintf(buf, "0x%04X\n",
2188                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2189         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2190 }
2191
2192 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2193                                         char __user *user_buf,
2194                                         size_t count, loff_t *ppos) {
2195
2196         struct iwl_priv *priv = file->private_data;
2197         int pos = 0;
2198         char buf[12];
2199         const size_t bufsz = sizeof(buf);
2200
2201         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2202                         priv->missed_beacon_threshold);
2203
2204         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2205 }
2206
2207 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2208                                          const char __user *user_buf,
2209                                          size_t count, loff_t *ppos)
2210 {
2211         struct iwl_priv *priv = file->private_data;
2212         char buf[8];
2213         int buf_size;
2214         int missed;
2215
2216         memset(buf, 0, sizeof(buf));
2217         buf_size = min(count, sizeof(buf) -  1);
2218         if (copy_from_user(buf, user_buf, buf_size))
2219                 return -EFAULT;
2220         if (sscanf(buf, "%d", &missed) != 1)
2221                 return -EINVAL;
2222
2223         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2224             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2225                 priv->missed_beacon_threshold =
2226                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2227         else
2228                 priv->missed_beacon_threshold = missed;
2229
2230         return count;
2231 }
2232
2233 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2234                                         char __user *user_buf,
2235                                         size_t count, loff_t *ppos) {
2236
2237         struct iwl_priv *priv = file->private_data;
2238         int pos = 0;
2239         char buf[12];
2240         const size_t bufsz = sizeof(buf);
2241
2242         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2243                         cfg(priv)->base_params->plcp_delta_threshold);
2244
2245         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2246 }
2247
2248 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2249                                         const char __user *user_buf,
2250                                         size_t count, loff_t *ppos) {
2251
2252         struct iwl_priv *priv = file->private_data;
2253         char buf[8];
2254         int buf_size;
2255         int plcp;
2256
2257         memset(buf, 0, sizeof(buf));
2258         buf_size = min(count, sizeof(buf) -  1);
2259         if (copy_from_user(buf, user_buf, buf_size))
2260                 return -EFAULT;
2261         if (sscanf(buf, "%d", &plcp) != 1)
2262                 return -EINVAL;
2263         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2264                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2265                 cfg(priv)->base_params->plcp_delta_threshold =
2266                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2267         else
2268                 cfg(priv)->base_params->plcp_delta_threshold = plcp;
2269         return count;
2270 }
2271
2272 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2273                                         char __user *user_buf,
2274                                         size_t count, loff_t *ppos)
2275 {
2276         struct iwl_priv *priv = file->private_data;
2277         int i, pos = 0;
2278         char buf[300];
2279         const size_t bufsz = sizeof(buf);
2280         struct iwl_force_reset *force_reset;
2281
2282         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2283                 force_reset = &priv->force_reset[i];
2284                 pos += scnprintf(buf + pos, bufsz - pos,
2285                                 "Force reset method %d\n", i);
2286                 pos += scnprintf(buf + pos, bufsz - pos,
2287                                 "\tnumber of reset request: %d\n",
2288                                 force_reset->reset_request_count);
2289                 pos += scnprintf(buf + pos, bufsz - pos,
2290                                 "\tnumber of reset request success: %d\n",
2291                                 force_reset->reset_success_count);
2292                 pos += scnprintf(buf + pos, bufsz - pos,
2293                                 "\tnumber of reset request reject: %d\n",
2294                                 force_reset->reset_reject_count);
2295                 pos += scnprintf(buf + pos, bufsz - pos,
2296                                 "\treset duration: %lu\n",
2297                                 force_reset->reset_duration);
2298         }
2299         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2300 }
2301
2302 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2303                                         const char __user *user_buf,
2304                                         size_t count, loff_t *ppos) {
2305
2306         struct iwl_priv *priv = file->private_data;
2307         char buf[8];
2308         int buf_size;
2309         int reset, ret;
2310
2311         memset(buf, 0, sizeof(buf));
2312         buf_size = min(count, sizeof(buf) -  1);
2313         if (copy_from_user(buf, user_buf, buf_size))
2314                 return -EFAULT;
2315         if (sscanf(buf, "%d", &reset) != 1)
2316                 return -EINVAL;
2317         switch (reset) {
2318         case IWL_RF_RESET:
2319         case IWL_FW_RESET:
2320                 ret = iwl_force_reset(priv, reset, true);
2321                 break;
2322         default:
2323                 return -EINVAL;
2324         }
2325         return ret ? ret : count;
2326 }
2327
2328 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2329                                         const char __user *user_buf,
2330                                         size_t count, loff_t *ppos) {
2331
2332         struct iwl_priv *priv = file->private_data;
2333         char buf[8];
2334         int buf_size;
2335         int flush;
2336
2337         memset(buf, 0, sizeof(buf));
2338         buf_size = min(count, sizeof(buf) -  1);
2339         if (copy_from_user(buf, user_buf, buf_size))
2340                 return -EFAULT;
2341         if (sscanf(buf, "%d", &flush) != 1)
2342                 return -EINVAL;
2343
2344         if (iwl_is_rfkill(priv->shrd))
2345                 return -EFAULT;
2346
2347         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2348
2349         return count;
2350 }
2351
2352 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2353                                         const char __user *user_buf,
2354                                         size_t count, loff_t *ppos)
2355 {
2356         struct iwl_priv *priv = file->private_data;
2357         char buf[8];
2358         int buf_size;
2359         int timeout;
2360
2361         memset(buf, 0, sizeof(buf));
2362         buf_size = min(count, sizeof(buf) -  1);
2363         if (copy_from_user(buf, user_buf, buf_size))
2364                 return -EFAULT;
2365         if (sscanf(buf, "%d", &timeout) != 1)
2366                 return -EINVAL;
2367         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2368                 timeout = IWL_DEF_WD_TIMEOUT;
2369
2370         cfg(priv)->base_params->wd_timeout = timeout;
2371         iwl_setup_watchdog(priv);
2372         return count;
2373 }
2374
2375 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2376                                         char __user *user_buf,
2377                                         size_t count, loff_t *ppos) {
2378
2379         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2380         int pos = 0;
2381         char buf[200];
2382         const size_t bufsz = sizeof(buf);
2383
2384         if (!priv->bt_enable_flag) {
2385                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2386                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2387         }
2388         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2389                 priv->bt_enable_flag);
2390         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2391                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2392         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2393                          "last traffic notif: %d\n",
2394                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2395         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2396                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2397                 priv->bt_ch_announce, priv->kill_ack_mask,
2398                 priv->kill_cts_mask);
2399
2400         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2401         switch (priv->bt_traffic_load) {
2402         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2403                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2404                 break;
2405         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2406                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2407                 break;
2408         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2409                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2410                 break;
2411         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2412         default:
2413                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2414                 break;
2415         }
2416
2417         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2418 }
2419
2420 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2421                                         char __user *user_buf,
2422                                         size_t count, loff_t *ppos)
2423 {
2424         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2425
2426         int pos = 0;
2427         char buf[40];
2428         const size_t bufsz = sizeof(buf);
2429
2430         if (cfg(priv)->ht_params)
2431                 pos += scnprintf(buf + pos, bufsz - pos,
2432                          "use %s for aggregation\n",
2433                          (cfg(priv)->ht_params->use_rts_for_aggregation) ?
2434                                 "rts/cts" : "cts-to-self");
2435         else
2436                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2437
2438         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2439 }
2440
2441 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2442                                         const char __user *user_buf,
2443                                         size_t count, loff_t *ppos) {
2444
2445         struct iwl_priv *priv = file->private_data;
2446         char buf[8];
2447         int buf_size;
2448         int rts;
2449
2450         if (!cfg(priv)->ht_params)
2451                 return -EINVAL;
2452
2453         memset(buf, 0, sizeof(buf));
2454         buf_size = min(count, sizeof(buf) -  1);
2455         if (copy_from_user(buf, user_buf, buf_size))
2456                 return -EFAULT;
2457         if (sscanf(buf, "%d", &rts) != 1)
2458                 return -EINVAL;
2459         if (rts)
2460                 cfg(priv)->ht_params->use_rts_for_aggregation = true;
2461         else
2462                 cfg(priv)->ht_params->use_rts_for_aggregation = false;
2463         return count;
2464 }
2465
2466 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2467                                         const char __user *user_buf,
2468                                         size_t count, loff_t *ppos)
2469 {
2470         struct iwl_priv *priv = file->private_data;
2471         char buf[8];
2472         int buf_size;
2473
2474         memset(buf, 0, sizeof(buf));
2475         buf_size = min(count, sizeof(buf) -  1);
2476         if (copy_from_user(buf, user_buf, buf_size))
2477                 return -EFAULT;
2478
2479         iwl_cmd_echo_test(priv);
2480         return count;
2481 }
2482
2483 DEBUGFS_READ_FILE_OPS(rx_statistics);
2484 DEBUGFS_READ_FILE_OPS(tx_statistics);
2485 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2486 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2487 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2488 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2489 DEBUGFS_READ_FILE_OPS(sensitivity);
2490 DEBUGFS_READ_FILE_OPS(chain_noise);
2491 DEBUGFS_READ_FILE_OPS(power_save_status);
2492 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2493 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2494 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2495 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2496 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2497 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2498 DEBUGFS_READ_FILE_OPS(rxon_flags);
2499 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2500 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2501 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2502 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2503 DEBUGFS_READ_FILE_OPS(bt_traffic);
2504 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2505 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2506 DEBUGFS_WRITE_FILE_OPS(echo_test);
2507
2508 /*
2509  * Create the debugfs files and directories
2510  *
2511  */
2512 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2513 {
2514         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2515         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2516
2517         dir_drv = debugfs_create_dir(name, phyd);
2518         if (!dir_drv)
2519                 return -ENOMEM;
2520
2521         priv->debugfs_dir = dir_drv;
2522
2523         dir_data = debugfs_create_dir("data", dir_drv);
2524         if (!dir_data)
2525                 goto err;
2526         dir_rf = debugfs_create_dir("rf", dir_drv);
2527         if (!dir_rf)
2528                 goto err;
2529         dir_debug = debugfs_create_dir("debug", dir_drv);
2530         if (!dir_debug)
2531                 goto err;
2532
2533         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2534         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2535         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2536         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2537         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2538         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2539         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2540         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2541         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2542         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2543         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2544         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2545         DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2546
2547         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2548         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2549         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2550         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2551         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2552         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2553         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2554         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2555         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2556         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2557         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2558         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2559         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2560         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2561         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2562         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2563         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2564         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2565         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2566         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2567         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2568         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2569         DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2570         if (iwl_advanced_bt_coexist(priv))
2571                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2572
2573         DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2574                          &priv->disable_sens_cal);
2575         DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2576                          &priv->disable_chain_noise_cal);
2577
2578         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2579                 goto err;
2580         return 0;
2581
2582 err:
2583         IWL_ERR(priv, "Can't create the debugfs directory\n");
2584         iwl_dbgfs_unregister(priv);
2585         return -ENOMEM;
2586 }
2587
2588 /**
2589  * Remove the debugfs files and directories
2590  *
2591  */
2592 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2593 {
2594         if (!priv->debugfs_dir)
2595                 return;
2596
2597         debugfs_remove_recursive(priv->debugfs_dir);
2598         priv->debugfs_dir = NULL;
2599 }