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-io.h"
  41 #include "iwl-agn.h"
  42 #include "iwl-modparams.h"
  43
  44 /* create and remove of files */
  45 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  46         if (!debugfs_create_file(#name, mode, parent, priv,             \
  47                                  &iwl_dbgfs_##name##_ops))              \
  48                 goto err;                                               \
  49 } while (0)
  50
  51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  52         struct dentry *__tmp;                                           \
  53         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  54                                     parent, ptr);                       \
  55         if (IS_ERR(__tmp) || !__tmp)                                    \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  60         struct dentry *__tmp;                                           \
  61         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  62                                    parent, ptr);                        \
  63         if (IS_ERR(__tmp) || !__tmp)                                    \
  64                 goto err;                                               \
  65 } while (0)
  66
  67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {                   \
  68         struct dentry *__tmp;                                           \
  69         __tmp = debugfs_create_u32(#name, mode,                         \
  70                                    parent, ptr);                        \
  71         if (IS_ERR(__tmp) || !__tmp)                                    \
  72                 goto err;                                               \
  73 } while (0)
  74
  75 /* file operation */
  76 #define DEBUGFS_READ_FUNC(name)                                         \
  77 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  78                                         char __user *user_buf,          \
  79                                         size_t count, loff_t *ppos);
  80
  81 #define DEBUGFS_WRITE_FUNC(name)                                        \
  82 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  83                                         const char __user *user_buf,    \
  84                                         size_t count, loff_t *ppos);
  85
  86
  87 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  88         DEBUGFS_READ_FUNC(name);                                        \
  89 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  90         .read = iwl_dbgfs_##name##_read,                                \
  91         .open = simple_open,                                            \
  92         .llseek = generic_file_llseek,                                  \
  93 };
  94
  95 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
  96         DEBUGFS_WRITE_FUNC(name);                                       \
  97 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  98         .write = iwl_dbgfs_##name##_write,                              \
  99         .open = simple_open,                                            \
 100         .llseek = generic_file_llseek,                                  \
 101 };
 102
 103
 104 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 105         DEBUGFS_READ_FUNC(name);                                        \
 106         DEBUGFS_WRITE_FUNC(name);                                       \
 107 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 108         .write = iwl_dbgfs_##name##_write,                              \
 109         .read = iwl_dbgfs_##name##_read,                                \
 110         .open = simple_open,                                            \
 111         .llseek = generic_file_llseek,                                  \
 112 };
 113
 114 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 115                                         char __user *user_buf,
 116                                         size_t count, loff_t *ppos)
 117 {
 118         u32 val = 0;
 119         char *buf;
 120         ssize_t ret;
 121         int i = 0;
 122         bool device_format = false;
 123         int offset = 0;
 124         int len = 0;
 125         int pos = 0;
 126         int sram;
 127         struct iwl_priv *priv = file->private_data;
 128         const struct fw_img *img;
 129         size_t bufsz;
 130
 131         /* default is to dump the entire data segment */
 132         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 133                 priv->dbgfs_sram_offset = 0x800000;
 134                 if (!priv->ucode_loaded)
 135                         return -EINVAL;
 136                 img = &priv->fw->img[priv->cur_ucode];
 137                 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 138         }
 139         len = priv->dbgfs_sram_len;
 140
 141         if (len == -4) {
 142                 device_format = true;
 143                 len = 4;
 144         }
 145
 146         bufsz =  50 + len * 4;
 147         buf = kmalloc(bufsz, GFP_KERNEL);
 148         if (!buf)
 149                 return -ENOMEM;
 150
 151         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 152                          len);
 153         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 154                         priv->dbgfs_sram_offset);
 155
 156         /* adjust sram address since reads are only on even u32 boundaries */
 157         offset = priv->dbgfs_sram_offset & 0x3;
 158         sram = priv->dbgfs_sram_offset & ~0x3;
 159
 160         /* read the first u32 from sram */
 161         val = iwl_read_targ_mem(priv->trans, sram);
 162
 163         for (; len; len--) {
 164                 /* put the address at the start of every line */
 165                 if (i == 0)
 166                         pos += scnprintf(buf + pos, bufsz - pos,
 167                                 "%08X: ", sram + offset);
 168
 169                 if (device_format)
 170                         pos += scnprintf(buf + pos, bufsz - pos,
 171                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 172                 else
 173                         pos += scnprintf(buf + pos, bufsz - pos,
 174                                 "%02x ", (val >> (8 * offset)) & 0xff);
 175
 176                 /* if all bytes processed, read the next u32 from sram */
 177                 if (++offset == 4) {
 178                         sram += 4;
 179                         offset = 0;
 180                         val = iwl_read_targ_mem(priv->trans, sram);
 181                 }
 182
 183                 /* put in extra spaces and split lines for human readability */
 184                 if (++i == 16) {
 185                         i = 0;
 186                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 187                 } else if (!(i & 7)) {
 188                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 189                 } else if (!(i & 3)) {
 190                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 191                 }
 192         }
 193         if (i)
 194                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 195
 196         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 197         kfree(buf);
 198         return ret;
 199 }
 200
 201 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 202                                         const char __user *user_buf,
 203                                         size_t count, loff_t *ppos)
 204 {
 205         struct iwl_priv *priv = file->private_data;
 206         char buf[64];
 207         int buf_size;
 208         u32 offset, len;
 209
 210         memset(buf, 0, sizeof(buf));
 211         buf_size = min(count, sizeof(buf) -  1);
 212         if (copy_from_user(buf, user_buf, buf_size))
 213                 return -EFAULT;
 214
 215         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 216                 priv->dbgfs_sram_offset = offset;
 217                 priv->dbgfs_sram_len = len;
 218         } else if (sscanf(buf, "%x", &offset) == 1) {
 219                 priv->dbgfs_sram_offset = offset;
 220                 priv->dbgfs_sram_len = -4;
 221         } else {
 222                 priv->dbgfs_sram_offset = 0;
 223                 priv->dbgfs_sram_len = 0;
 224         }
 225
 226         return count;
 227 }
 228
 229 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 230                                           char __user *user_buf,
 231                                           size_t count, loff_t *ppos)
 232 {
 233         struct iwl_priv *priv = file->private_data;
 234         const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
 235
 236         if (!priv->wowlan_sram)
 237                 return -ENODATA;
 238
 239         return simple_read_from_buffer(user_buf, count, ppos,
 240                                        priv->wowlan_sram,
 241                                        img->sec[IWL_UCODE_SECTION_DATA].len);
 242 }
 243 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 244                                         size_t count, loff_t *ppos)
 245 {
 246         struct iwl_priv *priv = file->private_data;
 247         struct iwl_station_entry *station;
 248         struct iwl_tid_data *tid_data;
 249         char *buf;
 250         int i, j, pos = 0;
 251         ssize_t ret;
 252         /* Add 30 for initial string */
 253         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 254
 255         buf = kmalloc(bufsz, GFP_KERNEL);
 256         if (!buf)
 257                 return -ENOMEM;
 258
 259         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 260                         priv->num_stations);
 261
 262         for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
 263                 station = &priv->stations[i];
 264                 if (!station->used)
 265                         continue;
 266                 pos += scnprintf(buf + pos, bufsz - pos,
 267                                  "station %d - addr: %pM, flags: %#x\n",
 268                                  i, station->sta.sta.addr,
 269                                  station->sta.station_flags_msk);
 270                 pos += scnprintf(buf + pos, bufsz - pos,
 271                                 "TID seqno  next_rclmd "
 272                                 "rate_n_flags state txq\n");
 273
 274                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 275                         tid_data = &priv->tid_data[i][j];
 276                         pos += scnprintf(buf + pos, bufsz - pos,
 277                                 "%d:  0x%.4x 0x%.4x     0x%.8x   "
 278                                 "%d     %.2d",
 279                                 j, tid_data->seq_number,
 280                                 tid_data->next_reclaimed,
 281                                 tid_data->agg.rate_n_flags,
 282                                 tid_data->agg.state,
 283                                 tid_data->agg.txq_id);
 284
 285                         if (tid_data->agg.wait_for_ba)
 286                                 pos += scnprintf(buf + pos, bufsz - pos,
 287                                                  " - waitforba");
 288                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 289                 }
 290
 291                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 292         }
 293
 294         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 295         kfree(buf);
 296         return ret;
 297 }
 298
 299 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 300                                        char __user *user_buf,
 301                                        size_t count,
 302                                        loff_t *ppos)
 303 {
 304         ssize_t ret;
 305         struct iwl_priv *priv = file->private_data;
 306         int pos = 0, ofs = 0, buf_size = 0;
 307         const u8 *ptr;
 308         char *buf;
 309         u16 eeprom_ver;
 310         size_t eeprom_len = priv->cfg->base_params->eeprom_size;
 311         buf_size = 4 * eeprom_len + 256;
 312
 313         if (eeprom_len % 16)
 314                 return -ENODATA;
 315
 316         ptr = priv->eeprom;
 317         if (!ptr)
 318                 return -ENOMEM;
 319
 320         /* 4 characters for byte 0xYY */
 321         buf = kzalloc(buf_size, GFP_KERNEL);
 322         if (!buf)
 323                 return -ENOMEM;
 324
 325         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 326         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 327                         "version: 0x%x\n",
 328                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 329                          ? "OTP" : "EEPROM", eeprom_ver);
 330         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 331                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 332                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 333                                    buf_size - pos, 0);
 334                 pos += strlen(buf + pos);
 335                 if (buf_size - pos > 0)
 336                         buf[pos++] = '\n';
 337         }
 338
 339         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 340         kfree(buf);
 341         return ret;
 342 }
 343
 344 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 345                                        size_t count, loff_t *ppos)
 346 {
 347         struct iwl_priv *priv = file->private_data;
 348         struct ieee80211_channel *channels = NULL;
 349         const struct ieee80211_supported_band *supp_band = NULL;
 350         int pos = 0, i, bufsz = PAGE_SIZE;
 351         char *buf;
 352         ssize_t ret;
 353
 354         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 355                 return -EAGAIN;
 356
 357         buf = kzalloc(bufsz, GFP_KERNEL);
 358         if (!buf)
 359                 return -ENOMEM;
 360
 361         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 362         if (supp_band) {
 363                 channels = supp_band->channels;
 364
 365                 pos += scnprintf(buf + pos, bufsz - pos,
 366                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 367                                 supp_band->n_channels);
 368
 369                 for (i = 0; i < supp_band->n_channels; i++)
 370                         pos += scnprintf(buf + pos, bufsz - pos,
 371                                         "%d: %ddBm: BSS%s%s, %s.\n",
 372                                         channels[i].hw_value,
 373                                         channels[i].max_power,
 374                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 375                                         " (IEEE 802.11h required)" : "",
 376                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 377                                         || (channels[i].flags &
 378                                         IEEE80211_CHAN_RADAR)) ? "" :
 379                                         ", IBSS",
 380                                         channels[i].flags &
 381                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 382                                         "passive only" : "active/passive");
 383         }
 384         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 385         if (supp_band) {
 386                 channels = supp_band->channels;
 387
 388                 pos += scnprintf(buf + pos, bufsz - pos,
 389                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 390                                 supp_band->n_channels);
 391
 392                 for (i = 0; i < supp_band->n_channels; i++)
 393                         pos += scnprintf(buf + pos, bufsz - pos,
 394                                         "%d: %ddBm: BSS%s%s, %s.\n",
 395                                         channels[i].hw_value,
 396                                         channels[i].max_power,
 397                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 398                                         " (IEEE 802.11h required)" : "",
 399                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 400                                         || (channels[i].flags &
 401                                         IEEE80211_CHAN_RADAR)) ? "" :
 402                                         ", IBSS",
 403                                         channels[i].flags &
 404                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 405                                         "passive only" : "active/passive");
 406         }
 407         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 408         kfree(buf);
 409         return ret;
 410 }
 411
 412 static ssize_t iwl_dbgfs_status_read(struct file *file,
 413                                                 char __user *user_buf,
 414                                                 size_t count, loff_t *ppos) {
 415
 416         struct iwl_priv *priv = file->private_data;
 417         char buf[512];
 418         int pos = 0;
 419         const size_t bufsz = sizeof(buf);
 420
 421         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 422                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 423         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 424                 test_bit(STATUS_CT_KILL, &priv->status));
 425         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 426                 test_bit(STATUS_ALIVE, &priv->status));
 427         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 428                 test_bit(STATUS_READY, &priv->status));
 429         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 430                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 431         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 432                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 433         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 434                 test_bit(STATUS_STATISTICS, &priv->status));
 435         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 436                 test_bit(STATUS_SCANNING, &priv->status));
 437         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 438                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 439         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 440                 test_bit(STATUS_SCAN_HW, &priv->status));
 441         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 442                 test_bit(STATUS_POWER_PMI, &priv->status));
 443         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 444                 test_bit(STATUS_FW_ERROR, &priv->status));
 445         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 446 }
 447
 448 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 449                                         char __user *user_buf,
 450                                         size_t count, loff_t *ppos) {
 451
 452         struct iwl_priv *priv = file->private_data;
 453
 454         int pos = 0;
 455         int cnt = 0;
 456         char *buf;
 457         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 458         ssize_t ret;
 459
 460         buf = kzalloc(bufsz, GFP_KERNEL);
 461         if (!buf)
 462                 return -ENOMEM;
 463
 464         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 465                 if (priv->rx_handlers_stats[cnt] > 0)
 466                         pos += scnprintf(buf + pos, bufsz - pos,
 467                                 "\tRx handler[%36s]:\t\t %u\n",
 468                                 iwl_dvm_get_cmd_string(cnt),
 469                                 priv->rx_handlers_stats[cnt]);
 470         }
 471
 472         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 473         kfree(buf);
 474         return ret;
 475 }
 476
 477 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 478                                          const char __user *user_buf,
 479                                          size_t count, loff_t *ppos)
 480 {
 481         struct iwl_priv *priv = file->private_data;
 482
 483         char buf[8];
 484         int buf_size;
 485         u32 reset_flag;
 486
 487         memset(buf, 0, sizeof(buf));
 488         buf_size = min(count, sizeof(buf) -  1);
 489         if (copy_from_user(buf, user_buf, buf_size))
 490                 return -EFAULT;
 491         if (sscanf(buf, "%x", &reset_flag) != 1)
 492                 return -EFAULT;
 493         if (reset_flag == 0)
 494                 memset(&priv->rx_handlers_stats[0], 0,
 495                         sizeof(priv->rx_handlers_stats));
 496
 497         return count;
 498 }
 499
 500 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 501                                        size_t count, loff_t *ppos)
 502 {
 503         struct iwl_priv *priv = file->private_data;
 504         struct iwl_rxon_context *ctx;
 505         int pos = 0, i;
 506         char buf[256 * NUM_IWL_RXON_CTX];
 507         const size_t bufsz = sizeof(buf);
 508
 509         for_each_context(priv, ctx) {
 510                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 511                                  ctx->ctxid);
 512                 for (i = 0; i < AC_NUM; i++) {
 513                         pos += scnprintf(buf + pos, bufsz - pos,
 514                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 515                         pos += scnprintf(buf + pos, bufsz - pos,
 516                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 517                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 518                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 519                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 520                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 521                 }
 522                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 523         }
 524         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 525 }
 526
 527 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 528                                 char __user *user_buf,
 529                                 size_t count, loff_t *ppos)
 530 {
 531         struct iwl_priv *priv = file->private_data;
 532         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 533         struct iwl_tt_restriction *restriction;
 534         char buf[100];
 535         int pos = 0;
 536         const size_t bufsz = sizeof(buf);
 537
 538         pos += scnprintf(buf + pos, bufsz - pos,
 539                         "Thermal Throttling Mode: %s\n",
 540                         tt->advanced_tt ? "Advance" : "Legacy");
 541         pos += scnprintf(buf + pos, bufsz - pos,
 542                         "Thermal Throttling State: %d\n",
 543                         tt->state);
 544         if (tt->advanced_tt) {
 545                 restriction = tt->restriction + tt->state;
 546                 pos += scnprintf(buf + pos, bufsz - pos,
 547                                 "Tx mode: %d\n",
 548                                 restriction->tx_stream);
 549                 pos += scnprintf(buf + pos, bufsz - pos,
 550                                 "Rx mode: %d\n",
 551                                 restriction->rx_stream);
 552                 pos += scnprintf(buf + pos, bufsz - pos,
 553                                 "HT mode: %d\n",
 554                                 restriction->is_ht);
 555         }
 556         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 557 }
 558
 559 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 560                                          const char __user *user_buf,
 561                                          size_t count, loff_t *ppos)
 562 {
 563         struct iwl_priv *priv = file->private_data;
 564         char buf[8];
 565         int buf_size;
 566         int ht40;
 567
 568         memset(buf, 0, sizeof(buf));
 569         buf_size = min(count, sizeof(buf) -  1);
 570         if (copy_from_user(buf, user_buf, buf_size))
 571                 return -EFAULT;
 572         if (sscanf(buf, "%d", &ht40) != 1)
 573                 return -EFAULT;
 574         if (!iwl_is_any_associated(priv))
 575                 priv->disable_ht40 = ht40 ? true : false;
 576         else
 577                 return -EINVAL;
 578
 579         return count;
 580 }
 581
 582 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 583                                          char __user *user_buf,
 584                                          size_t count, loff_t *ppos)
 585 {
 586         struct iwl_priv *priv = file->private_data;
 587         char buf[100];
 588         int pos = 0;
 589         const size_t bufsz = sizeof(buf);
 590
 591         pos += scnprintf(buf + pos, bufsz - pos,
 592                         "11n 40MHz Mode: %s\n",
 593                         priv->disable_ht40 ? "Disabled" : "Enabled");
 594         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 595 }
 596
 597 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
 598                                          char __user *user_buf,
 599                                          size_t count, loff_t *ppos)
 600 {
 601         struct iwl_priv *priv = file->private_data;
 602         char buf[8];
 603         int pos = 0;
 604         const size_t bufsz = sizeof(buf);
 605
 606         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
 607         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 608 }
 609
 610
 611 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 612                                                     const char __user *user_buf,
 613                                                     size_t count, loff_t *ppos)
 614 {
 615         struct iwl_priv *priv = file->private_data;
 616         char buf[8];
 617         int buf_size;
 618         int value;
 619
 620         memset(buf, 0, sizeof(buf));
 621         buf_size = min(count, sizeof(buf) -  1);
 622         if (copy_from_user(buf, user_buf, buf_size))
 623                 return -EFAULT;
 624
 625         if (sscanf(buf, "%d", &value) != 1)
 626                 return -EINVAL;
 627
 628         /*
 629          * Our users expect 0 to be "CAM", but 0 isn't actually
 630          * valid here. However, let's not confuse them and present
 631          * IWL_POWER_INDEX_1 as "1", not "0".
 632          */
 633         if (value == 0)
 634                 return -EINVAL;
 635         else if (value > 0)
 636                 value -= 1;
 637
 638         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 639                 return -EINVAL;
 640
 641         if (!iwl_is_ready_rf(priv))
 642                 return -EAGAIN;
 643
 644         priv->power_data.debug_sleep_level_override = value;
 645
 646         mutex_lock(&priv->mutex);
 647         iwl_power_update_mode(priv, true);
 648         mutex_unlock(&priv->mutex);
 649
 650         return count;
 651 }
 652
 653 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 654                                                    char __user *user_buf,
 655                                                    size_t count, loff_t *ppos)
 656 {
 657         struct iwl_priv *priv = file->private_data;
 658         char buf[10];
 659         int pos, value;
 660         const size_t bufsz = sizeof(buf);
 661
 662         /* see the write function */
 663         value = priv->power_data.debug_sleep_level_override;
 664         if (value >= 0)
 665                 value += 1;
 666
 667         pos = scnprintf(buf, bufsz, "%d\n", value);
 668         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 669 }
 670
 671 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 672                                                     char __user *user_buf,
 673                                                     size_t count, loff_t *ppos)
 674 {
 675         struct iwl_priv *priv = file->private_data;
 676         char buf[200];
 677         int pos = 0, i;
 678         const size_t bufsz = sizeof(buf);
 679         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 680
 681         pos += scnprintf(buf + pos, bufsz - pos,
 682                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 683         pos += scnprintf(buf + pos, bufsz - pos,
 684                          "RX/TX timeout: %d/%d usec\n",
 685                          le32_to_cpu(cmd->rx_data_timeout),
 686                          le32_to_cpu(cmd->tx_data_timeout));
 687         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 688                 pos += scnprintf(buf + pos, bufsz - pos,
 689                                  "sleep_interval[%d]: %d\n", i,
 690                                  le32_to_cpu(cmd->sleep_interval[i]));
 691
 692         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 693 }
 694
 695 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 696 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 697 DEBUGFS_READ_FILE_OPS(nvm);
 698 DEBUGFS_READ_FILE_OPS(stations);
 699 DEBUGFS_READ_FILE_OPS(channels);
 700 DEBUGFS_READ_FILE_OPS(status);
 701 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 702 DEBUGFS_READ_FILE_OPS(qos);
 703 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 704 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 705 DEBUGFS_READ_FILE_OPS(temperature);
 706 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 707 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 708
 709 static const char *fmt_value = "  %-30s %10u\n";
 710 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 711 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 712 static const char *fmt_header =
 713         "%-32s    current  cumulative       delta         max\n";
 714
 715 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 716 {
 717         int p = 0;
 718         u32 flag;
 719
 720         lockdep_assert_held(&priv->statistics.lock);
 721
 722         flag = le32_to_cpu(priv->statistics.flag);
 723
 724         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 725         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 726                 p += scnprintf(buf + p, bufsz - p,
 727                 "\tStatistics have been cleared\n");
 728         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 729                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 730                 ? "2.4 GHz" : "5.2 GHz");
 731         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 732                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 733                  ? "enabled" : "disabled");
 734
 735         return p;
 736 }
 737
 738 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 739                                         char __user *user_buf,
 740                                         size_t count, loff_t *ppos)
 741 {
 742         struct iwl_priv *priv = file->private_data;
 743         int pos = 0;
 744         char *buf;
 745         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 746                     sizeof(struct statistics_rx_non_phy) * 40 +
 747                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 748         ssize_t ret;
 749         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 750         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 751         struct statistics_rx_non_phy *general, *accum_general;
 752         struct statistics_rx_non_phy *delta_general, *max_general;
 753         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 754
 755         if (!iwl_is_alive(priv))
 756                 return -EAGAIN;
 757
 758         buf = kzalloc(bufsz, GFP_KERNEL);
 759         if (!buf)
 760                 return -ENOMEM;
 761
 762         /*
 763          * the statistic information display here is based on
 764          * the last statistics notification from uCode
 765          * might not reflect the current uCode activity
 766          */
 767         spin_lock_bh(&priv->statistics.lock);
 768         ofdm = &priv->statistics.rx_ofdm;
 769         cck = &priv->statistics.rx_cck;
 770         general = &priv->statistics.rx_non_phy;
 771         ht = &priv->statistics.rx_ofdm_ht;
 772         accum_ofdm = &priv->accum_stats.rx_ofdm;
 773         accum_cck = &priv->accum_stats.rx_cck;
 774         accum_general = &priv->accum_stats.rx_non_phy;
 775         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 776         delta_ofdm = &priv->delta_stats.rx_ofdm;
 777         delta_cck = &priv->delta_stats.rx_cck;
 778         delta_general = &priv->delta_stats.rx_non_phy;
 779         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 780         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 781         max_cck = &priv->max_delta_stats.rx_cck;
 782         max_general = &priv->max_delta_stats.rx_non_phy;
 783         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 784
 785         pos += iwl_statistics_flag(priv, buf, bufsz);
 786         pos += scnprintf(buf + pos, bufsz - pos,
 787                          fmt_header, "Statistics_Rx - OFDM:");
 788         pos += scnprintf(buf + pos, bufsz - pos,
 789                          fmt_table, "ina_cnt:",
 790                          le32_to_cpu(ofdm->ina_cnt),
 791                          accum_ofdm->ina_cnt,
 792                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 793         pos += scnprintf(buf + pos, bufsz - pos,
 794                          fmt_table, "fina_cnt:",
 795                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 796                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 797         pos += scnprintf(buf + pos, bufsz - pos,
 798                          fmt_table, "plcp_err:",
 799                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 800                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 801         pos += scnprintf(buf + pos, bufsz - pos,
 802                          fmt_table, "crc32_err:",
 803                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 804                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 805         pos += scnprintf(buf + pos, bufsz - pos,
 806                          fmt_table, "overrun_err:",
 807                          le32_to_cpu(ofdm->overrun_err),
 808                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 809                          max_ofdm->overrun_err);
 810         pos += scnprintf(buf + pos, bufsz - pos,
 811                          fmt_table, "early_overrun_err:",
 812                          le32_to_cpu(ofdm->early_overrun_err),
 813                          accum_ofdm->early_overrun_err,
 814                          delta_ofdm->early_overrun_err,
 815                          max_ofdm->early_overrun_err);
 816         pos += scnprintf(buf + pos, bufsz - pos,
 817                          fmt_table, "crc32_good:",
 818                          le32_to_cpu(ofdm->crc32_good),
 819                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
 820                          max_ofdm->crc32_good);
 821         pos += scnprintf(buf + pos, bufsz - pos,
 822                          fmt_table, "false_alarm_cnt:",
 823                          le32_to_cpu(ofdm->false_alarm_cnt),
 824                          accum_ofdm->false_alarm_cnt,
 825                          delta_ofdm->false_alarm_cnt,
 826                          max_ofdm->false_alarm_cnt);
 827         pos += scnprintf(buf + pos, bufsz - pos,
 828                          fmt_table, "fina_sync_err_cnt:",
 829                          le32_to_cpu(ofdm->fina_sync_err_cnt),
 830                          accum_ofdm->fina_sync_err_cnt,
 831                          delta_ofdm->fina_sync_err_cnt,
 832                          max_ofdm->fina_sync_err_cnt);
 833         pos += scnprintf(buf + pos, bufsz - pos,
 834                          fmt_table, "sfd_timeout:",
 835                          le32_to_cpu(ofdm->sfd_timeout),
 836                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
 837                          max_ofdm->sfd_timeout);
 838         pos += scnprintf(buf + pos, bufsz - pos,
 839                          fmt_table, "fina_timeout:",
 840                          le32_to_cpu(ofdm->fina_timeout),
 841                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
 842                          max_ofdm->fina_timeout);
 843         pos += scnprintf(buf + pos, bufsz - pos,
 844                          fmt_table, "unresponded_rts:",
 845                          le32_to_cpu(ofdm->unresponded_rts),
 846                          accum_ofdm->unresponded_rts,
 847                          delta_ofdm->unresponded_rts,
 848                          max_ofdm->unresponded_rts);
 849         pos += scnprintf(buf + pos, bufsz - pos,
 850                          fmt_table, "rxe_frame_lmt_ovrun:",
 851                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 852                          accum_ofdm->rxe_frame_limit_overrun,
 853                          delta_ofdm->rxe_frame_limit_overrun,
 854                          max_ofdm->rxe_frame_limit_overrun);
 855         pos += scnprintf(buf + pos, bufsz - pos,
 856                          fmt_table, "sent_ack_cnt:",
 857                          le32_to_cpu(ofdm->sent_ack_cnt),
 858                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
 859                          max_ofdm->sent_ack_cnt);
 860         pos += scnprintf(buf + pos, bufsz - pos,
 861                          fmt_table, "sent_cts_cnt:",
 862                          le32_to_cpu(ofdm->sent_cts_cnt),
 863                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
 864                          max_ofdm->sent_cts_cnt);
 865         pos += scnprintf(buf + pos, bufsz - pos,
 866                          fmt_table, "sent_ba_rsp_cnt:",
 867                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 868                          accum_ofdm->sent_ba_rsp_cnt,
 869                          delta_ofdm->sent_ba_rsp_cnt,
 870                          max_ofdm->sent_ba_rsp_cnt);
 871         pos += scnprintf(buf + pos, bufsz - pos,
 872                          fmt_table, "dsp_self_kill:",
 873                          le32_to_cpu(ofdm->dsp_self_kill),
 874                          accum_ofdm->dsp_self_kill,
 875                          delta_ofdm->dsp_self_kill,
 876                          max_ofdm->dsp_self_kill);
 877         pos += scnprintf(buf + pos, bufsz - pos,
 878                          fmt_table, "mh_format_err:",
 879                          le32_to_cpu(ofdm->mh_format_err),
 880                          accum_ofdm->mh_format_err,
 881                          delta_ofdm->mh_format_err,
 882                          max_ofdm->mh_format_err);
 883         pos += scnprintf(buf + pos, bufsz - pos,
 884                          fmt_table, "re_acq_main_rssi_sum:",
 885                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 886                          accum_ofdm->re_acq_main_rssi_sum,
 887                          delta_ofdm->re_acq_main_rssi_sum,
 888                          max_ofdm->re_acq_main_rssi_sum);
 889
 890         pos += scnprintf(buf + pos, bufsz - pos,
 891                          fmt_header, "Statistics_Rx - CCK:");
 892         pos += scnprintf(buf + pos, bufsz - pos,
 893                          fmt_table, "ina_cnt:",
 894                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 895                          delta_cck->ina_cnt, max_cck->ina_cnt);
 896         pos += scnprintf(buf + pos, bufsz - pos,
 897                          fmt_table, "fina_cnt:",
 898                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 899                          delta_cck->fina_cnt, max_cck->fina_cnt);
 900         pos += scnprintf(buf + pos, bufsz - pos,
 901                          fmt_table, "plcp_err:",
 902                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 903                          delta_cck->plcp_err, max_cck->plcp_err);
 904         pos += scnprintf(buf + pos, bufsz - pos,
 905                          fmt_table, "crc32_err:",
 906                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 907                          delta_cck->crc32_err, max_cck->crc32_err);
 908         pos += scnprintf(buf + pos, bufsz - pos,
 909                          fmt_table, "overrun_err:",
 910                          le32_to_cpu(cck->overrun_err),
 911                          accum_cck->overrun_err, delta_cck->overrun_err,
 912                          max_cck->overrun_err);
 913         pos += scnprintf(buf + pos, bufsz - pos,
 914                          fmt_table, "early_overrun_err:",
 915                          le32_to_cpu(cck->early_overrun_err),
 916                          accum_cck->early_overrun_err,
 917                          delta_cck->early_overrun_err,
 918                          max_cck->early_overrun_err);
 919         pos += scnprintf(buf + pos, bufsz - pos,
 920                          fmt_table, "crc32_good:",
 921                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 922                          delta_cck->crc32_good, max_cck->crc32_good);
 923         pos += scnprintf(buf + pos, bufsz - pos,
 924                          fmt_table, "false_alarm_cnt:",
 925                          le32_to_cpu(cck->false_alarm_cnt),
 926                          accum_cck->false_alarm_cnt,
 927                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
 928         pos += scnprintf(buf + pos, bufsz - pos,
 929                          fmt_table, "fina_sync_err_cnt:",
 930                          le32_to_cpu(cck->fina_sync_err_cnt),
 931                          accum_cck->fina_sync_err_cnt,
 932                          delta_cck->fina_sync_err_cnt,
 933                          max_cck->fina_sync_err_cnt);
 934         pos += scnprintf(buf + pos, bufsz - pos,
 935                          fmt_table, "sfd_timeout:",
 936                          le32_to_cpu(cck->sfd_timeout),
 937                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
 938                          max_cck->sfd_timeout);
 939         pos += scnprintf(buf + pos, bufsz - pos,
 940                          fmt_table, "fina_timeout:",
 941                          le32_to_cpu(cck->fina_timeout),
 942                          accum_cck->fina_timeout, delta_cck->fina_timeout,
 943                          max_cck->fina_timeout);
 944         pos += scnprintf(buf + pos, bufsz - pos,
 945                          fmt_table, "unresponded_rts:",
 946                          le32_to_cpu(cck->unresponded_rts),
 947                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 948                          max_cck->unresponded_rts);
 949         pos += scnprintf(buf + pos, bufsz - pos,
 950                          fmt_table, "rxe_frame_lmt_ovrun:",
 951                          le32_to_cpu(cck->rxe_frame_limit_overrun),
 952                          accum_cck->rxe_frame_limit_overrun,
 953                          delta_cck->rxe_frame_limit_overrun,
 954                          max_cck->rxe_frame_limit_overrun);
 955         pos += scnprintf(buf + pos, bufsz - pos,
 956                          fmt_table, "sent_ack_cnt:",
 957                          le32_to_cpu(cck->sent_ack_cnt),
 958                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
 959                          max_cck->sent_ack_cnt);
 960         pos += scnprintf(buf + pos, bufsz - pos,
 961                          fmt_table, "sent_cts_cnt:",
 962                          le32_to_cpu(cck->sent_cts_cnt),
 963                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
 964                          max_cck->sent_cts_cnt);
 965         pos += scnprintf(buf + pos, bufsz - pos,
 966                          fmt_table, "sent_ba_rsp_cnt:",
 967                          le32_to_cpu(cck->sent_ba_rsp_cnt),
 968                          accum_cck->sent_ba_rsp_cnt,
 969                          delta_cck->sent_ba_rsp_cnt,
 970                          max_cck->sent_ba_rsp_cnt);
 971         pos += scnprintf(buf + pos, bufsz - pos,
 972                          fmt_table, "dsp_self_kill:",
 973                          le32_to_cpu(cck->dsp_self_kill),
 974                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
 975                          max_cck->dsp_self_kill);
 976         pos += scnprintf(buf + pos, bufsz - pos,
 977                          fmt_table, "mh_format_err:",
 978                          le32_to_cpu(cck->mh_format_err),
 979                          accum_cck->mh_format_err, delta_cck->mh_format_err,
 980                          max_cck->mh_format_err);
 981         pos += scnprintf(buf + pos, bufsz - pos,
 982                          fmt_table, "re_acq_main_rssi_sum:",
 983                          le32_to_cpu(cck->re_acq_main_rssi_sum),
 984                          accum_cck->re_acq_main_rssi_sum,
 985                          delta_cck->re_acq_main_rssi_sum,
 986                          max_cck->re_acq_main_rssi_sum);
 987
 988         pos += scnprintf(buf + pos, bufsz - pos,
 989                          fmt_header, "Statistics_Rx - GENERAL:");
 990         pos += scnprintf(buf + pos, bufsz - pos,
 991                          fmt_table, "bogus_cts:",
 992                          le32_to_cpu(general->bogus_cts),
 993                          accum_general->bogus_cts, delta_general->bogus_cts,
 994                          max_general->bogus_cts);
 995         pos += scnprintf(buf + pos, bufsz - pos,
 996                          fmt_table, "bogus_ack:",
 997                          le32_to_cpu(general->bogus_ack),
 998                          accum_general->bogus_ack, delta_general->bogus_ack,
 999                          max_general->bogus_ack);
1000         pos += scnprintf(buf + pos, bufsz - pos,
1001                          fmt_table, "non_bssid_frames:",
1002                          le32_to_cpu(general->non_bssid_frames),
1003                          accum_general->non_bssid_frames,
1004                          delta_general->non_bssid_frames,
1005                          max_general->non_bssid_frames);
1006         pos += scnprintf(buf + pos, bufsz - pos,
1007                          fmt_table, "filtered_frames:",
1008                          le32_to_cpu(general->filtered_frames),
1009                          accum_general->filtered_frames,
1010                          delta_general->filtered_frames,
1011                          max_general->filtered_frames);
1012         pos += scnprintf(buf + pos, bufsz - pos,
1013                          fmt_table, "non_channel_beacons:",
1014                          le32_to_cpu(general->non_channel_beacons),
1015                          accum_general->non_channel_beacons,
1016                          delta_general->non_channel_beacons,
1017                          max_general->non_channel_beacons);
1018         pos += scnprintf(buf + pos, bufsz - pos,
1019                          fmt_table, "channel_beacons:",
1020                          le32_to_cpu(general->channel_beacons),
1021                          accum_general->channel_beacons,
1022                          delta_general->channel_beacons,
1023                          max_general->channel_beacons);
1024         pos += scnprintf(buf + pos, bufsz - pos,
1025                          fmt_table, "num_missed_bcon:",
1026                          le32_to_cpu(general->num_missed_bcon),
1027                          accum_general->num_missed_bcon,
1028                          delta_general->num_missed_bcon,
1029                          max_general->num_missed_bcon);
1030         pos += scnprintf(buf + pos, bufsz - pos,
1031                          fmt_table, "adc_rx_saturation_time:",
1032                          le32_to_cpu(general->adc_rx_saturation_time),
1033                          accum_general->adc_rx_saturation_time,
1034                          delta_general->adc_rx_saturation_time,
1035                          max_general->adc_rx_saturation_time);
1036         pos += scnprintf(buf + pos, bufsz - pos,
1037                          fmt_table, "ina_detect_search_tm:",
1038                          le32_to_cpu(general->ina_detection_search_time),
1039                          accum_general->ina_detection_search_time,
1040                          delta_general->ina_detection_search_time,
1041                          max_general->ina_detection_search_time);
1042         pos += scnprintf(buf + pos, bufsz - pos,
1043                          fmt_table, "beacon_silence_rssi_a:",
1044                          le32_to_cpu(general->beacon_silence_rssi_a),
1045                          accum_general->beacon_silence_rssi_a,
1046                          delta_general->beacon_silence_rssi_a,
1047                          max_general->beacon_silence_rssi_a);
1048         pos += scnprintf(buf + pos, bufsz - pos,
1049                          fmt_table, "beacon_silence_rssi_b:",
1050                          le32_to_cpu(general->beacon_silence_rssi_b),
1051                          accum_general->beacon_silence_rssi_b,
1052                          delta_general->beacon_silence_rssi_b,
1053                          max_general->beacon_silence_rssi_b);
1054         pos += scnprintf(buf + pos, bufsz - pos,
1055                          fmt_table, "beacon_silence_rssi_c:",
1056                          le32_to_cpu(general->beacon_silence_rssi_c),
1057                          accum_general->beacon_silence_rssi_c,
1058                          delta_general->beacon_silence_rssi_c,
1059                          max_general->beacon_silence_rssi_c);
1060         pos += scnprintf(buf + pos, bufsz - pos,
1061                          fmt_table, "interference_data_flag:",
1062                          le32_to_cpu(general->interference_data_flag),
1063                          accum_general->interference_data_flag,
1064                          delta_general->interference_data_flag,
1065                          max_general->interference_data_flag);
1066         pos += scnprintf(buf + pos, bufsz - pos,
1067                          fmt_table, "channel_load:",
1068                          le32_to_cpu(general->channel_load),
1069                          accum_general->channel_load,
1070                          delta_general->channel_load,
1071                          max_general->channel_load);
1072         pos += scnprintf(buf + pos, bufsz - pos,
1073                          fmt_table, "dsp_false_alarms:",
1074                          le32_to_cpu(general->dsp_false_alarms),
1075                          accum_general->dsp_false_alarms,
1076                          delta_general->dsp_false_alarms,
1077                          max_general->dsp_false_alarms);
1078         pos += scnprintf(buf + pos, bufsz - pos,
1079                          fmt_table, "beacon_rssi_a:",
1080                          le32_to_cpu(general->beacon_rssi_a),
1081                          accum_general->beacon_rssi_a,
1082                          delta_general->beacon_rssi_a,
1083                          max_general->beacon_rssi_a);
1084         pos += scnprintf(buf + pos, bufsz - pos,
1085                          fmt_table, "beacon_rssi_b:",
1086                          le32_to_cpu(general->beacon_rssi_b),
1087                          accum_general->beacon_rssi_b,
1088                          delta_general->beacon_rssi_b,
1089                          max_general->beacon_rssi_b);
1090         pos += scnprintf(buf + pos, bufsz - pos,
1091                          fmt_table, "beacon_rssi_c:",
1092                          le32_to_cpu(general->beacon_rssi_c),
1093                          accum_general->beacon_rssi_c,
1094                          delta_general->beacon_rssi_c,
1095                          max_general->beacon_rssi_c);
1096         pos += scnprintf(buf + pos, bufsz - pos,
1097                          fmt_table, "beacon_energy_a:",
1098                          le32_to_cpu(general->beacon_energy_a),
1099                          accum_general->beacon_energy_a,
1100                          delta_general->beacon_energy_a,
1101                          max_general->beacon_energy_a);
1102         pos += scnprintf(buf + pos, bufsz - pos,
1103                          fmt_table, "beacon_energy_b:",
1104                          le32_to_cpu(general->beacon_energy_b),
1105                          accum_general->beacon_energy_b,
1106                          delta_general->beacon_energy_b,
1107                          max_general->beacon_energy_b);
1108         pos += scnprintf(buf + pos, bufsz - pos,
1109                          fmt_table, "beacon_energy_c:",
1110                          le32_to_cpu(general->beacon_energy_c),
1111                          accum_general->beacon_energy_c,
1112                          delta_general->beacon_energy_c,
1113                          max_general->beacon_energy_c);
1114
1115         pos += scnprintf(buf + pos, bufsz - pos,
1116                          fmt_header, "Statistics_Rx - OFDM_HT:");
1117         pos += scnprintf(buf + pos, bufsz - pos,
1118                          fmt_table, "plcp_err:",
1119                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1120                          delta_ht->plcp_err, max_ht->plcp_err);
1121         pos += scnprintf(buf + pos, bufsz - pos,
1122                          fmt_table, "overrun_err:",
1123                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1124                          delta_ht->overrun_err, max_ht->overrun_err);
1125         pos += scnprintf(buf + pos, bufsz - pos,
1126                          fmt_table, "early_overrun_err:",
1127                          le32_to_cpu(ht->early_overrun_err),
1128                          accum_ht->early_overrun_err,
1129                          delta_ht->early_overrun_err,
1130                          max_ht->early_overrun_err);
1131         pos += scnprintf(buf + pos, bufsz - pos,
1132                          fmt_table, "crc32_good:",
1133                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1134                          delta_ht->crc32_good, max_ht->crc32_good);
1135         pos += scnprintf(buf + pos, bufsz - pos,
1136                          fmt_table, "crc32_err:",
1137                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1138                          delta_ht->crc32_err, max_ht->crc32_err);
1139         pos += scnprintf(buf + pos, bufsz - pos,
1140                          fmt_table, "mh_format_err:",
1141                          le32_to_cpu(ht->mh_format_err),
1142                          accum_ht->mh_format_err,
1143                          delta_ht->mh_format_err, max_ht->mh_format_err);
1144         pos += scnprintf(buf + pos, bufsz - pos,
1145                          fmt_table, "agg_crc32_good:",
1146                          le32_to_cpu(ht->agg_crc32_good),
1147                          accum_ht->agg_crc32_good,
1148                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1149         pos += scnprintf(buf + pos, bufsz - pos,
1150                          fmt_table, "agg_mpdu_cnt:",
1151                          le32_to_cpu(ht->agg_mpdu_cnt),
1152                          accum_ht->agg_mpdu_cnt,
1153                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1154         pos += scnprintf(buf + pos, bufsz - pos,
1155                          fmt_table, "agg_cnt:",
1156                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1157                          delta_ht->agg_cnt, max_ht->agg_cnt);
1158         pos += scnprintf(buf + pos, bufsz - pos,
1159                          fmt_table, "unsupport_mcs:",
1160                          le32_to_cpu(ht->unsupport_mcs),
1161                          accum_ht->unsupport_mcs,
1162                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1163
1164         spin_unlock_bh(&priv->statistics.lock);
1165
1166         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1167         kfree(buf);
1168         return ret;
1169 }
1170
1171 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1172                                         char __user *user_buf,
1173                                         size_t count, loff_t *ppos)
1174 {
1175         struct iwl_priv *priv = file->private_data;
1176         int pos = 0;
1177         char *buf;
1178         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1179         ssize_t ret;
1180         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1181
1182         if (!iwl_is_alive(priv))
1183                 return -EAGAIN;
1184
1185         buf = kzalloc(bufsz, GFP_KERNEL);
1186         if (!buf)
1187                 return -ENOMEM;
1188
1189         /* the statistic information display here is based on
1190          * the last statistics notification from uCode
1191          * might not reflect the current uCode activity
1192          */
1193         spin_lock_bh(&priv->statistics.lock);
1194
1195         tx = &priv->statistics.tx;
1196         accum_tx = &priv->accum_stats.tx;
1197         delta_tx = &priv->delta_stats.tx;
1198         max_tx = &priv->max_delta_stats.tx;
1199
1200         pos += iwl_statistics_flag(priv, buf, bufsz);
1201         pos += scnprintf(buf + pos, bufsz - pos,
1202                          fmt_header, "Statistics_Tx:");
1203         pos += scnprintf(buf + pos, bufsz - pos,
1204                          fmt_table, "preamble:",
1205                          le32_to_cpu(tx->preamble_cnt),
1206                          accum_tx->preamble_cnt,
1207                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1208         pos += scnprintf(buf + pos, bufsz - pos,
1209                          fmt_table, "rx_detected_cnt:",
1210                          le32_to_cpu(tx->rx_detected_cnt),
1211                          accum_tx->rx_detected_cnt,
1212                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1213         pos += scnprintf(buf + pos, bufsz - pos,
1214                          fmt_table, "bt_prio_defer_cnt:",
1215                          le32_to_cpu(tx->bt_prio_defer_cnt),
1216                          accum_tx->bt_prio_defer_cnt,
1217                          delta_tx->bt_prio_defer_cnt,
1218                          max_tx->bt_prio_defer_cnt);
1219         pos += scnprintf(buf + pos, bufsz - pos,
1220                          fmt_table, "bt_prio_kill_cnt:",
1221                          le32_to_cpu(tx->bt_prio_kill_cnt),
1222                          accum_tx->bt_prio_kill_cnt,
1223                          delta_tx->bt_prio_kill_cnt,
1224                          max_tx->bt_prio_kill_cnt);
1225         pos += scnprintf(buf + pos, bufsz - pos,
1226                          fmt_table, "few_bytes_cnt:",
1227                          le32_to_cpu(tx->few_bytes_cnt),
1228                          accum_tx->few_bytes_cnt,
1229                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1230         pos += scnprintf(buf + pos, bufsz - pos,
1231                          fmt_table, "cts_timeout:",
1232                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1233                          delta_tx->cts_timeout, max_tx->cts_timeout);
1234         pos += scnprintf(buf + pos, bufsz - pos,
1235                          fmt_table, "ack_timeout:",
1236                          le32_to_cpu(tx->ack_timeout),
1237                          accum_tx->ack_timeout,
1238                          delta_tx->ack_timeout, max_tx->ack_timeout);
1239         pos += scnprintf(buf + pos, bufsz - pos,
1240                          fmt_table, "expected_ack_cnt:",
1241                          le32_to_cpu(tx->expected_ack_cnt),
1242                          accum_tx->expected_ack_cnt,
1243                          delta_tx->expected_ack_cnt,
1244                          max_tx->expected_ack_cnt);
1245         pos += scnprintf(buf + pos, bufsz - pos,
1246                          fmt_table, "actual_ack_cnt:",
1247                          le32_to_cpu(tx->actual_ack_cnt),
1248                          accum_tx->actual_ack_cnt,
1249                          delta_tx->actual_ack_cnt,
1250                          max_tx->actual_ack_cnt);
1251         pos += scnprintf(buf + pos, bufsz - pos,
1252                          fmt_table, "dump_msdu_cnt:",
1253                          le32_to_cpu(tx->dump_msdu_cnt),
1254                          accum_tx->dump_msdu_cnt,
1255                          delta_tx->dump_msdu_cnt,
1256                          max_tx->dump_msdu_cnt);
1257         pos += scnprintf(buf + pos, bufsz - pos,
1258                          fmt_table, "abort_nxt_frame_mismatch:",
1259                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1260                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1261                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1262                          max_tx->burst_abort_next_frame_mismatch_cnt);
1263         pos += scnprintf(buf + pos, bufsz - pos,
1264                          fmt_table, "abort_missing_nxt_frame:",
1265                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1266                          accum_tx->burst_abort_missing_next_frame_cnt,
1267                          delta_tx->burst_abort_missing_next_frame_cnt,
1268                          max_tx->burst_abort_missing_next_frame_cnt);
1269         pos += scnprintf(buf + pos, bufsz - pos,
1270                          fmt_table, "cts_timeout_collision:",
1271                          le32_to_cpu(tx->cts_timeout_collision),
1272                          accum_tx->cts_timeout_collision,
1273                          delta_tx->cts_timeout_collision,
1274                          max_tx->cts_timeout_collision);
1275         pos += scnprintf(buf + pos, bufsz - pos,
1276                          fmt_table, "ack_ba_timeout_collision:",
1277                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1278                          accum_tx->ack_or_ba_timeout_collision,
1279                          delta_tx->ack_or_ba_timeout_collision,
1280                          max_tx->ack_or_ba_timeout_collision);
1281         pos += scnprintf(buf + pos, bufsz - pos,
1282                          fmt_table, "agg ba_timeout:",
1283                          le32_to_cpu(tx->agg.ba_timeout),
1284                          accum_tx->agg.ba_timeout,
1285                          delta_tx->agg.ba_timeout,
1286                          max_tx->agg.ba_timeout);
1287         pos += scnprintf(buf + pos, bufsz - pos,
1288                          fmt_table, "agg ba_resched_frames:",
1289                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1290                          accum_tx->agg.ba_reschedule_frames,
1291                          delta_tx->agg.ba_reschedule_frames,
1292                          max_tx->agg.ba_reschedule_frames);
1293         pos += scnprintf(buf + pos, bufsz - pos,
1294                          fmt_table, "agg scd_query_agg_frame:",
1295                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1296                          accum_tx->agg.scd_query_agg_frame_cnt,
1297                          delta_tx->agg.scd_query_agg_frame_cnt,
1298                          max_tx->agg.scd_query_agg_frame_cnt);
1299         pos += scnprintf(buf + pos, bufsz - pos,
1300                          fmt_table, "agg scd_query_no_agg:",
1301                          le32_to_cpu(tx->agg.scd_query_no_agg),
1302                          accum_tx->agg.scd_query_no_agg,
1303                          delta_tx->agg.scd_query_no_agg,
1304                          max_tx->agg.scd_query_no_agg);
1305         pos += scnprintf(buf + pos, bufsz - pos,
1306                          fmt_table, "agg scd_query_agg:",
1307                          le32_to_cpu(tx->agg.scd_query_agg),
1308                          accum_tx->agg.scd_query_agg,
1309                          delta_tx->agg.scd_query_agg,
1310                          max_tx->agg.scd_query_agg);
1311         pos += scnprintf(buf + pos, bufsz - pos,
1312                          fmt_table, "agg scd_query_mismatch:",
1313                          le32_to_cpu(tx->agg.scd_query_mismatch),
1314                          accum_tx->agg.scd_query_mismatch,
1315                          delta_tx->agg.scd_query_mismatch,
1316                          max_tx->agg.scd_query_mismatch);
1317         pos += scnprintf(buf + pos, bufsz - pos,
1318                          fmt_table, "agg frame_not_ready:",
1319                          le32_to_cpu(tx->agg.frame_not_ready),
1320                          accum_tx->agg.frame_not_ready,
1321                          delta_tx->agg.frame_not_ready,
1322                          max_tx->agg.frame_not_ready);
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                          fmt_table, "agg underrun:",
1325                          le32_to_cpu(tx->agg.underrun),
1326                          accum_tx->agg.underrun,
1327                          delta_tx->agg.underrun, max_tx->agg.underrun);
1328         pos += scnprintf(buf + pos, bufsz - pos,
1329                          fmt_table, "agg bt_prio_kill:",
1330                          le32_to_cpu(tx->agg.bt_prio_kill),
1331                          accum_tx->agg.bt_prio_kill,
1332                          delta_tx->agg.bt_prio_kill,
1333                          max_tx->agg.bt_prio_kill);
1334         pos += scnprintf(buf + pos, bufsz - pos,
1335                          fmt_table, "agg rx_ba_rsp_cnt:",
1336                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1337                          accum_tx->agg.rx_ba_rsp_cnt,
1338                          delta_tx->agg.rx_ba_rsp_cnt,
1339                          max_tx->agg.rx_ba_rsp_cnt);
1340
1341         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1342                 pos += scnprintf(buf + pos, bufsz - pos,
1343                         "tx power: (1/2 dB step)\n");
1344                 if ((priv->hw_params.valid_tx_ant & ANT_A) &&
1345                     tx->tx_power.ant_a)
1346                         pos += scnprintf(buf + pos, bufsz - pos,
1347                                         fmt_hex, "antenna A:",
1348                                         tx->tx_power.ant_a);
1349                 if ((priv->hw_params.valid_tx_ant & ANT_B) &&
1350                     tx->tx_power.ant_b)
1351                         pos += scnprintf(buf + pos, bufsz - pos,
1352                                         fmt_hex, "antenna B:",
1353                                         tx->tx_power.ant_b);
1354                 if ((priv->hw_params.valid_tx_ant & ANT_C) &&
1355                     tx->tx_power.ant_c)
1356                         pos += scnprintf(buf + pos, bufsz - pos,
1357                                         fmt_hex, "antenna C:",
1358                                         tx->tx_power.ant_c);
1359         }
1360
1361         spin_unlock_bh(&priv->statistics.lock);
1362
1363         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1364         kfree(buf);
1365         return ret;
1366 }
1367
1368 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1369                                         char __user *user_buf,
1370                                         size_t count, loff_t *ppos)
1371 {
1372         struct iwl_priv *priv = file->private_data;
1373         int pos = 0;
1374         char *buf;
1375         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1376         ssize_t ret;
1377         struct statistics_general_common *general, *accum_general;
1378         struct statistics_general_common *delta_general, *max_general;
1379         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1380         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1381
1382         if (!iwl_is_alive(priv))
1383                 return -EAGAIN;
1384
1385         buf = kzalloc(bufsz, GFP_KERNEL);
1386         if (!buf)
1387                 return -ENOMEM;
1388
1389         /* the statistic information display here is based on
1390          * the last statistics notification from uCode
1391          * might not reflect the current uCode activity
1392          */
1393
1394         spin_lock_bh(&priv->statistics.lock);
1395
1396         general = &priv->statistics.common;
1397         dbg = &priv->statistics.common.dbg;
1398         div = &priv->statistics.common.div;
1399         accum_general = &priv->accum_stats.common;
1400         accum_dbg = &priv->accum_stats.common.dbg;
1401         accum_div = &priv->accum_stats.common.div;
1402         delta_general = &priv->delta_stats.common;
1403         max_general = &priv->max_delta_stats.common;
1404         delta_dbg = &priv->delta_stats.common.dbg;
1405         max_dbg = &priv->max_delta_stats.common.dbg;
1406         delta_div = &priv->delta_stats.common.div;
1407         max_div = &priv->max_delta_stats.common.div;
1408
1409         pos += iwl_statistics_flag(priv, buf, bufsz);
1410         pos += scnprintf(buf + pos, bufsz - pos,
1411                          fmt_header, "Statistics_General:");
1412         pos += scnprintf(buf + pos, bufsz - pos,
1413                          fmt_value, "temperature:",
1414                          le32_to_cpu(general->temperature));
1415         pos += scnprintf(buf + pos, bufsz - pos,
1416                          fmt_value, "temperature_m:",
1417                          le32_to_cpu(general->temperature_m));
1418         pos += scnprintf(buf + pos, bufsz - pos,
1419                          fmt_value, "ttl_timestamp:",
1420                          le32_to_cpu(general->ttl_timestamp));
1421         pos += scnprintf(buf + pos, bufsz - pos,
1422                          fmt_table, "burst_check:",
1423                          le32_to_cpu(dbg->burst_check),
1424                          accum_dbg->burst_check,
1425                          delta_dbg->burst_check, max_dbg->burst_check);
1426         pos += scnprintf(buf + pos, bufsz - pos,
1427                          fmt_table, "burst_count:",
1428                          le32_to_cpu(dbg->burst_count),
1429                          accum_dbg->burst_count,
1430                          delta_dbg->burst_count, max_dbg->burst_count);
1431         pos += scnprintf(buf + pos, bufsz - pos,
1432                          fmt_table, "wait_for_silence_timeout_count:",
1433                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1434                          accum_dbg->wait_for_silence_timeout_cnt,
1435                          delta_dbg->wait_for_silence_timeout_cnt,
1436                          max_dbg->wait_for_silence_timeout_cnt);
1437         pos += scnprintf(buf + pos, bufsz - pos,
1438                          fmt_table, "sleep_time:",
1439                          le32_to_cpu(general->sleep_time),
1440                          accum_general->sleep_time,
1441                          delta_general->sleep_time, max_general->sleep_time);
1442         pos += scnprintf(buf + pos, bufsz - pos,
1443                          fmt_table, "slots_out:",
1444                          le32_to_cpu(general->slots_out),
1445                          accum_general->slots_out,
1446                          delta_general->slots_out, max_general->slots_out);
1447         pos += scnprintf(buf + pos, bufsz - pos,
1448                          fmt_table, "slots_idle:",
1449                          le32_to_cpu(general->slots_idle),
1450                          accum_general->slots_idle,
1451                          delta_general->slots_idle, max_general->slots_idle);
1452         pos += scnprintf(buf + pos, bufsz - pos,
1453                          fmt_table, "tx_on_a:",
1454                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1455                          delta_div->tx_on_a, max_div->tx_on_a);
1456         pos += scnprintf(buf + pos, bufsz - pos,
1457                          fmt_table, "tx_on_b:",
1458                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1459                          delta_div->tx_on_b, max_div->tx_on_b);
1460         pos += scnprintf(buf + pos, bufsz - pos,
1461                          fmt_table, "exec_time:",
1462                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1463                          delta_div->exec_time, max_div->exec_time);
1464         pos += scnprintf(buf + pos, bufsz - pos,
1465                          fmt_table, "probe_time:",
1466                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1467                          delta_div->probe_time, max_div->probe_time);
1468         pos += scnprintf(buf + pos, bufsz - pos,
1469                          fmt_table, "rx_enable_counter:",
1470                          le32_to_cpu(general->rx_enable_counter),
1471                          accum_general->rx_enable_counter,
1472                          delta_general->rx_enable_counter,
1473                          max_general->rx_enable_counter);
1474         pos += scnprintf(buf + pos, bufsz - pos,
1475                          fmt_table, "num_of_sos_states:",
1476                          le32_to_cpu(general->num_of_sos_states),
1477                          accum_general->num_of_sos_states,
1478                          delta_general->num_of_sos_states,
1479                          max_general->num_of_sos_states);
1480
1481         spin_unlock_bh(&priv->statistics.lock);
1482
1483         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1484         kfree(buf);
1485         return ret;
1486 }
1487
1488 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1489                                         char __user *user_buf,
1490                                         size_t count, loff_t *ppos)
1491 {
1492         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1493         int pos = 0;
1494         char *buf;
1495         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1496         ssize_t ret;
1497         struct statistics_bt_activity *bt, *accum_bt;
1498
1499         if (!iwl_is_alive(priv))
1500                 return -EAGAIN;
1501
1502         if (!priv->bt_enable_flag)
1503                 return -EINVAL;
1504
1505         /* make request to uCode to retrieve statistics information */
1506         mutex_lock(&priv->mutex);
1507         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1508         mutex_unlock(&priv->mutex);
1509
1510         if (ret)
1511                 return -EAGAIN;
1512         buf = kzalloc(bufsz, GFP_KERNEL);
1513         if (!buf)
1514                 return -ENOMEM;
1515
1516         /*
1517          * the statistic information display here is based on
1518          * the last statistics notification from uCode
1519          * might not reflect the current uCode activity
1520          */
1521
1522         spin_lock_bh(&priv->statistics.lock);
1523
1524         bt = &priv->statistics.bt_activity;
1525         accum_bt = &priv->accum_stats.bt_activity;
1526
1527         pos += iwl_statistics_flag(priv, buf, bufsz);
1528         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1529         pos += scnprintf(buf + pos, bufsz - pos,
1530                         "\t\t\tcurrent\t\t\taccumulative\n");
1531         pos += scnprintf(buf + pos, bufsz - pos,
1532                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1533                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1534                          accum_bt->hi_priority_tx_req_cnt);
1535         pos += scnprintf(buf + pos, bufsz - pos,
1536                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1537                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1538                          accum_bt->hi_priority_tx_denied_cnt);
1539         pos += scnprintf(buf + pos, bufsz - pos,
1540                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1541                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1542                          accum_bt->lo_priority_tx_req_cnt);
1543         pos += scnprintf(buf + pos, bufsz - pos,
1544                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1545                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1546                          accum_bt->lo_priority_tx_denied_cnt);
1547         pos += scnprintf(buf + pos, bufsz - pos,
1548                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1549                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1550                          accum_bt->hi_priority_rx_req_cnt);
1551         pos += scnprintf(buf + pos, bufsz - pos,
1552                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1553                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1554                          accum_bt->hi_priority_rx_denied_cnt);
1555         pos += scnprintf(buf + pos, bufsz - pos,
1556                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1557                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1558                          accum_bt->lo_priority_rx_req_cnt);
1559         pos += scnprintf(buf + pos, bufsz - pos,
1560                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1561                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1562                          accum_bt->lo_priority_rx_denied_cnt);
1563
1564         pos += scnprintf(buf + pos, bufsz - pos,
1565                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1566                          le32_to_cpu(priv->statistics.num_bt_kills),
1567                          priv->statistics.accum_num_bt_kills);
1568
1569         spin_unlock_bh(&priv->statistics.lock);
1570
1571         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1572         kfree(buf);
1573         return ret;
1574 }
1575
1576 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1577                                         char __user *user_buf,
1578                                         size_t count, loff_t *ppos)
1579 {
1580         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1581         int pos = 0;
1582         char *buf;
1583         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1584                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1585         ssize_t ret;
1586
1587         if (!iwl_is_alive(priv))
1588                 return -EAGAIN;
1589
1590         buf = kzalloc(bufsz, GFP_KERNEL);
1591         if (!buf)
1592                 return -ENOMEM;
1593
1594         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1595         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1596                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1597                          priv->reply_tx_stats.pp_delay);
1598         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1599                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1600                          priv->reply_tx_stats.pp_few_bytes);
1601         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1602                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1603                          priv->reply_tx_stats.pp_bt_prio);
1604         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1605                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1606                          priv->reply_tx_stats.pp_quiet_period);
1607         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1608                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1609                          priv->reply_tx_stats.pp_calc_ttak);
1610         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1611                          iwl_get_tx_fail_reason(
1612                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1613                          priv->reply_tx_stats.int_crossed_retry);
1614         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1615                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1616                          priv->reply_tx_stats.short_limit);
1617         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1618                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1619                          priv->reply_tx_stats.long_limit);
1620         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1621                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1622                          priv->reply_tx_stats.fifo_underrun);
1623         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1624                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1625                          priv->reply_tx_stats.drain_flow);
1626         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1627                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1628                          priv->reply_tx_stats.rfkill_flush);
1629         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1630                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1631                          priv->reply_tx_stats.life_expire);
1632         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1633                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1634                          priv->reply_tx_stats.dest_ps);
1635         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1636                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1637                          priv->reply_tx_stats.host_abort);
1638         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1639                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1640                          priv->reply_tx_stats.pp_delay);
1641         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1642                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1643                          priv->reply_tx_stats.sta_invalid);
1644         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1645                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1646                          priv->reply_tx_stats.frag_drop);
1647         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1648                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1649                          priv->reply_tx_stats.tid_disable);
1650         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1651                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1652                          priv->reply_tx_stats.fifo_flush);
1653         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1654                          iwl_get_tx_fail_reason(
1655                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1656                          priv->reply_tx_stats.insuff_cf_poll);
1657         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1658                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1659                          priv->reply_tx_stats.fail_hw_drop);
1660         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1661                          iwl_get_tx_fail_reason(
1662                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1663                          priv->reply_tx_stats.sta_color_mismatch);
1664         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1665                          priv->reply_tx_stats.unknown);
1666
1667         pos += scnprintf(buf + pos, bufsz - pos,
1668                          "\nStatistics_Agg_TX_Error:\n");
1669
1670         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1671                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1672                          priv->reply_agg_tx_stats.underrun);
1673         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1674                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1675                          priv->reply_agg_tx_stats.bt_prio);
1676         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1677                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1678                          priv->reply_agg_tx_stats.few_bytes);
1679         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1680                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1681                          priv->reply_agg_tx_stats.abort);
1682         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1683                          iwl_get_agg_tx_fail_reason(
1684                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1685                          priv->reply_agg_tx_stats.last_sent_ttl);
1686         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1687                          iwl_get_agg_tx_fail_reason(
1688                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1689                          priv->reply_agg_tx_stats.last_sent_try);
1690         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1691                          iwl_get_agg_tx_fail_reason(
1692                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1693                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1694         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1695                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1696                          priv->reply_agg_tx_stats.scd_query);
1697         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1698                          iwl_get_agg_tx_fail_reason(
1699                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1700                          priv->reply_agg_tx_stats.bad_crc32);
1701         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1702                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1703                          priv->reply_agg_tx_stats.response);
1704         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1705                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1706                          priv->reply_agg_tx_stats.dump_tx);
1707         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1708                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1709                          priv->reply_agg_tx_stats.delay_tx);
1710         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1711                          priv->reply_agg_tx_stats.unknown);
1712
1713         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1714         kfree(buf);
1715         return ret;
1716 }
1717
1718 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1719                                         char __user *user_buf,
1720                                         size_t count, loff_t *ppos) {
1721
1722         struct iwl_priv *priv = file->private_data;
1723         int pos = 0;
1724         int cnt = 0;
1725         char *buf;
1726         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1727         ssize_t ret;
1728         struct iwl_sensitivity_data *data;
1729
1730         data = &priv->sensitivity_data;
1731         buf = kzalloc(bufsz, GFP_KERNEL);
1732         if (!buf)
1733                 return -ENOMEM;
1734
1735         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1736                         data->auto_corr_ofdm);
1737         pos += scnprintf(buf + pos, bufsz - pos,
1738                         "auto_corr_ofdm_mrc:\t\t %u\n",
1739                         data->auto_corr_ofdm_mrc);
1740         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1741                         data->auto_corr_ofdm_x1);
1742         pos += scnprintf(buf + pos, bufsz - pos,
1743                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1744                         data->auto_corr_ofdm_mrc_x1);
1745         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1746                         data->auto_corr_cck);
1747         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1748                         data->auto_corr_cck_mrc);
1749         pos += scnprintf(buf + pos, bufsz - pos,
1750                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1751                         data->last_bad_plcp_cnt_ofdm);
1752         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1753                         data->last_fa_cnt_ofdm);
1754         pos += scnprintf(buf + pos, bufsz - pos,
1755                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1756                         data->last_bad_plcp_cnt_cck);
1757         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1758                         data->last_fa_cnt_cck);
1759         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1760                         data->nrg_curr_state);
1761         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1762                         data->nrg_prev_state);
1763         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1764         for (cnt = 0; cnt < 10; cnt++) {
1765                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1766                                 data->nrg_value[cnt]);
1767         }
1768         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1769         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1770         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1771                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1772                                 data->nrg_silence_rssi[cnt]);
1773         }
1774         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1775         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1776                         data->nrg_silence_ref);
1777         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1778                         data->nrg_energy_idx);
1779         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1780                         data->nrg_silence_idx);
1781         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1782                         data->nrg_th_cck);
1783         pos += scnprintf(buf + pos, bufsz - pos,
1784                         "nrg_auto_corr_silence_diff:\t %u\n",
1785                         data->nrg_auto_corr_silence_diff);
1786         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1787                         data->num_in_cck_no_fa);
1788         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1789                         data->nrg_th_ofdm);
1790
1791         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1792         kfree(buf);
1793         return ret;
1794 }
1795
1796
1797 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1798                                         char __user *user_buf,
1799                                         size_t count, loff_t *ppos) {
1800
1801         struct iwl_priv *priv = file->private_data;
1802         int pos = 0;
1803         int cnt = 0;
1804         char *buf;
1805         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1806         ssize_t ret;
1807         struct iwl_chain_noise_data *data;
1808
1809         data = &priv->chain_noise_data;
1810         buf = kzalloc(bufsz, GFP_KERNEL);
1811         if (!buf)
1812                 return -ENOMEM;
1813
1814         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1815                         data->active_chains);
1816         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1817                         data->chain_noise_a);
1818         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1819                         data->chain_noise_b);
1820         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1821                         data->chain_noise_c);
1822         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1823                         data->chain_signal_a);
1824         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1825                         data->chain_signal_b);
1826         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1827                         data->chain_signal_c);
1828         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1829                         data->beacon_count);
1830
1831         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1832         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1833                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1834                                 data->disconn_array[cnt]);
1835         }
1836         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1837         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1838         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1839                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1840                                 data->delta_gain_code[cnt]);
1841         }
1842         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1843         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1844                         data->radio_write);
1845         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1846                         data->state);
1847
1848         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1849         kfree(buf);
1850         return ret;
1851 }
1852
1853 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1854                                                     char __user *user_buf,
1855                                                     size_t count, loff_t *ppos)
1856 {
1857         struct iwl_priv *priv = file->private_data;
1858         char buf[60];
1859         int pos = 0;
1860         const size_t bufsz = sizeof(buf);
1861         u32 pwrsave_status;
1862
1863         pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) &
1864                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1865
1866         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1867         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1868                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1869                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1870                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1871                 "error");
1872
1873         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1874 }
1875
1876 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1877                                          const char __user *user_buf,
1878                                          size_t count, loff_t *ppos)
1879 {
1880         struct iwl_priv *priv = file->private_data;
1881         char buf[8];
1882         int buf_size;
1883         int clear;
1884
1885         memset(buf, 0, sizeof(buf));
1886         buf_size = min(count, sizeof(buf) -  1);
1887         if (copy_from_user(buf, user_buf, buf_size))
1888                 return -EFAULT;
1889         if (sscanf(buf, "%d", &clear) != 1)
1890                 return -EFAULT;
1891
1892         /* make request to uCode to retrieve statistics information */
1893         mutex_lock(&priv->mutex);
1894         iwl_send_statistics_request(priv, CMD_SYNC, true);
1895         mutex_unlock(&priv->mutex);
1896
1897         return count;
1898 }
1899
1900 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1901                                         char __user *user_buf,
1902                                         size_t count, loff_t *ppos) {
1903
1904         struct iwl_priv *priv = file->private_data;
1905         int pos = 0;
1906         char buf[128];
1907         const size_t bufsz = sizeof(buf);
1908
1909         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1910                         priv->event_log.ucode_trace ? "On" : "Off");
1911         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1912                         priv->event_log.non_wraps_count);
1913         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1914                         priv->event_log.wraps_once_count);
1915         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1916                         priv->event_log.wraps_more_count);
1917
1918         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1919 }
1920
1921 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1922                                          const char __user *user_buf,
1923                                          size_t count, loff_t *ppos)
1924 {
1925         struct iwl_priv *priv = file->private_data;
1926         char buf[8];
1927         int buf_size;
1928         int trace;
1929
1930         memset(buf, 0, sizeof(buf));
1931         buf_size = min(count, sizeof(buf) -  1);
1932         if (copy_from_user(buf, user_buf, buf_size))
1933                 return -EFAULT;
1934         if (sscanf(buf, "%d", &trace) != 1)
1935                 return -EFAULT;
1936
1937         if (trace) {
1938                 priv->event_log.ucode_trace = true;
1939                 if (iwl_is_alive(priv)) {
1940                         /* start collecting data now */
1941                         mod_timer(&priv->ucode_trace, jiffies);
1942                 }
1943         } else {
1944                 priv->event_log.ucode_trace = false;
1945                 del_timer_sync(&priv->ucode_trace);
1946         }
1947
1948         return count;
1949 }
1950
1951 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1952                                          char __user *user_buf,
1953                                          size_t count, loff_t *ppos) {
1954
1955         struct iwl_priv *priv = file->private_data;
1956         int len = 0;
1957         char buf[20];
1958
1959         len = sprintf(buf, "0x%04X\n",
1960                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1961         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1962 }
1963
1964 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1965                                                 char __user *user_buf,
1966                                                 size_t count, loff_t *ppos) {
1967
1968         struct iwl_priv *priv = file->private_data;
1969         int len = 0;
1970         char buf[20];
1971
1972         len = sprintf(buf, "0x%04X\n",
1973                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1974         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1975 }
1976
1977 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1978                                         char __user *user_buf,
1979                                         size_t count, loff_t *ppos) {
1980
1981         struct iwl_priv *priv = file->private_data;
1982         int pos = 0;
1983         char buf[12];
1984         const size_t bufsz = sizeof(buf);
1985
1986         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1987                         priv->missed_beacon_threshold);
1988
1989         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1990 }
1991
1992 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1993                                          const char __user *user_buf,
1994                                          size_t count, loff_t *ppos)
1995 {
1996         struct iwl_priv *priv = file->private_data;
1997         char buf[8];
1998         int buf_size;
1999         int missed;
2000
2001         memset(buf, 0, sizeof(buf));
2002         buf_size = min(count, sizeof(buf) -  1);
2003         if (copy_from_user(buf, user_buf, buf_size))
2004                 return -EFAULT;
2005         if (sscanf(buf, "%d", &missed) != 1)
2006                 return -EINVAL;
2007
2008         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2009             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2010                 priv->missed_beacon_threshold =
2011                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2012         else
2013                 priv->missed_beacon_threshold = missed;
2014
2015         return count;
2016 }
2017
2018 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2019                                         char __user *user_buf,
2020                                         size_t count, loff_t *ppos) {
2021
2022         struct iwl_priv *priv = file->private_data;
2023         int pos = 0;
2024         char buf[12];
2025         const size_t bufsz = sizeof(buf);
2026
2027         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2028                         priv->plcp_delta_threshold);
2029
2030         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2031 }
2032
2033 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2034                                         const char __user *user_buf,
2035                                         size_t count, loff_t *ppos) {
2036
2037         struct iwl_priv *priv = file->private_data;
2038         char buf[8];
2039         int buf_size;
2040         int plcp;
2041
2042         memset(buf, 0, sizeof(buf));
2043         buf_size = min(count, sizeof(buf) -  1);
2044         if (copy_from_user(buf, user_buf, buf_size))
2045                 return -EFAULT;
2046         if (sscanf(buf, "%d", &plcp) != 1)
2047                 return -EINVAL;
2048         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2049                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2050                 priv->plcp_delta_threshold =
2051                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2052         else
2053                 priv->plcp_delta_threshold = plcp;
2054         return count;
2055 }
2056
2057 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2058                                        char __user *user_buf,
2059                                        size_t count, loff_t *ppos)
2060 {
2061         struct iwl_priv *priv = file->private_data;
2062         int pos = 0;
2063         char buf[300];
2064         const size_t bufsz = sizeof(buf);
2065         struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2066
2067         pos += scnprintf(buf + pos, bufsz - pos,
2068                         "RF reset statistics\n");
2069         pos += scnprintf(buf + pos, bufsz - pos,
2070                         "\tnumber of reset request: %d\n",
2071                         rf_reset->reset_request_count);
2072         pos += scnprintf(buf + pos, bufsz - pos,
2073                         "\tnumber of reset request success: %d\n",
2074                         rf_reset->reset_success_count);
2075         pos += scnprintf(buf + pos, bufsz - pos,
2076                         "\tnumber of reset request reject: %d\n",
2077                         rf_reset->reset_reject_count);
2078
2079         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2080 }
2081
2082 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2083                                         const char __user *user_buf,
2084                                         size_t count, loff_t *ppos) {
2085
2086         struct iwl_priv *priv = file->private_data;
2087         int ret;
2088
2089         ret = iwl_force_rf_reset(priv, true);
2090         return ret ? ret : count;
2091 }
2092
2093 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2094                                         const char __user *user_buf,
2095                                         size_t count, loff_t *ppos) {
2096
2097         struct iwl_priv *priv = file->private_data;
2098         char buf[8];
2099         int buf_size;
2100         int flush;
2101
2102         memset(buf, 0, sizeof(buf));
2103         buf_size = min(count, sizeof(buf) -  1);
2104         if (copy_from_user(buf, user_buf, buf_size))
2105                 return -EFAULT;
2106         if (sscanf(buf, "%d", &flush) != 1)
2107                 return -EINVAL;
2108
2109         if (iwl_is_rfkill(priv))
2110                 return -EFAULT;
2111
2112         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2113
2114         return count;
2115 }
2116
2117 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2118                                         char __user *user_buf,
2119                                         size_t count, loff_t *ppos) {
2120
2121         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2122         int pos = 0;
2123         char buf[200];
2124         const size_t bufsz = sizeof(buf);
2125
2126         if (!priv->bt_enable_flag) {
2127                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2128                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2129         }
2130         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2131                 priv->bt_enable_flag);
2132         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2133                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2134         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2135                          "last traffic notif: %d\n",
2136                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2137         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2138                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2139                 priv->bt_ch_announce, priv->kill_ack_mask,
2140                 priv->kill_cts_mask);
2141
2142         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2143         switch (priv->bt_traffic_load) {
2144         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2145                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2146                 break;
2147         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2148                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2149                 break;
2150         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2151                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2152                 break;
2153         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2154         default:
2155                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2156                 break;
2157         }
2158
2159         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2160 }
2161
2162 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2163                                         char __user *user_buf,
2164                                         size_t count, loff_t *ppos)
2165 {
2166         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2167
2168         int pos = 0;
2169         char buf[40];
2170         const size_t bufsz = sizeof(buf);
2171
2172         if (priv->cfg->ht_params)
2173                 pos += scnprintf(buf + pos, bufsz - pos,
2174                          "use %s for aggregation\n",
2175                          (priv->hw_params.use_rts_for_aggregation) ?
2176                                 "rts/cts" : "cts-to-self");
2177         else
2178                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2179
2180         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2181 }
2182
2183 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2184                                         const char __user *user_buf,
2185                                         size_t count, loff_t *ppos) {
2186
2187         struct iwl_priv *priv = file->private_data;
2188         char buf[8];
2189         int buf_size;
2190         int rts;
2191
2192         if (!priv->cfg->ht_params)
2193                 return -EINVAL;
2194
2195         memset(buf, 0, sizeof(buf));
2196         buf_size = min(count, sizeof(buf) -  1);
2197         if (copy_from_user(buf, user_buf, buf_size))
2198                 return -EFAULT;
2199         if (sscanf(buf, "%d", &rts) != 1)
2200                 return -EINVAL;
2201         if (rts)
2202                 priv->hw_params.use_rts_for_aggregation = true;
2203         else
2204                 priv->hw_params.use_rts_for_aggregation = false;
2205         return count;
2206 }
2207
2208 static int iwl_cmd_echo_test(struct iwl_priv *priv)
2209 {
2210         int ret;
2211         struct iwl_host_cmd cmd = {
2212                 .id = REPLY_ECHO,
2213                 .len = { 0 },
2214                 .flags = CMD_SYNC,
2215         };
2216
2217         ret = iwl_dvm_send_cmd(priv, &cmd);
2218         if (ret)
2219                 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
2220         else
2221                 IWL_DEBUG_INFO(priv, "echo testing pass\n");
2222         return ret;
2223 }
2224
2225 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2226                                         const char __user *user_buf,
2227                                         size_t count, loff_t *ppos)
2228 {
2229         struct iwl_priv *priv = file->private_data;
2230         char buf[8];
2231         int buf_size;
2232
2233         memset(buf, 0, sizeof(buf));
2234         buf_size = min(count, sizeof(buf) -  1);
2235         if (copy_from_user(buf, user_buf, buf_size))
2236                 return -EFAULT;
2237
2238         iwl_cmd_echo_test(priv);
2239         return count;
2240 }
2241
2242 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2243                                          char __user *user_buf,
2244                                          size_t count, loff_t *ppos)
2245 {
2246         struct iwl_priv *priv = file->private_data;
2247         char *buf;
2248         int pos = 0;
2249         ssize_t ret = -ENOMEM;
2250
2251         ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
2252         if (buf) {
2253                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2254                 kfree(buf);
2255         }
2256         return ret;
2257 }
2258
2259 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2260                                         const char __user *user_buf,
2261                                         size_t count, loff_t *ppos)
2262 {
2263         struct iwl_priv *priv = file->private_data;
2264         u32 event_log_flag;
2265         char buf[8];
2266         int buf_size;
2267
2268         memset(buf, 0, sizeof(buf));
2269         buf_size = min(count, sizeof(buf) -  1);
2270         if (copy_from_user(buf, user_buf, buf_size))
2271                 return -EFAULT;
2272         if (sscanf(buf, "%d", &event_log_flag) != 1)
2273                 return -EFAULT;
2274         if (event_log_flag == 1)
2275                 iwl_dump_nic_event_log(priv, true, NULL, false);
2276
2277         return count;
2278 }
2279
2280 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2281                                          char __user *user_buf,
2282                                          size_t count, loff_t *ppos)
2283 {
2284         struct iwl_priv *priv = file->private_data;
2285         char buf[120];
2286         int pos = 0;
2287         const size_t bufsz = sizeof(buf);
2288
2289         pos += scnprintf(buf + pos, bufsz - pos,
2290                          "Sensitivity calibrations %s\n",
2291                          (priv->calib_disabled &
2292                                         IWL_SENSITIVITY_CALIB_DISABLED) ?
2293                          "DISABLED" : "ENABLED");
2294         pos += scnprintf(buf + pos, bufsz - pos,
2295                          "Chain noise calibrations %s\n",
2296                          (priv->calib_disabled &
2297                                         IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2298                          "DISABLED" : "ENABLED");
2299         pos += scnprintf(buf + pos, bufsz - pos,
2300                          "Tx power calibrations %s\n",
2301                          (priv->calib_disabled &
2302                                         IWL_TX_POWER_CALIB_DISABLED) ?
2303                          "DISABLED" : "ENABLED");
2304
2305         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2306 }
2307
2308 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
2309                                               const char __user *user_buf,
2310                                               size_t count, loff_t *ppos)
2311 {
2312         struct iwl_priv *priv = file->private_data;
2313         char buf[8];
2314         u32 calib_disabled;
2315         int buf_size;
2316
2317         memset(buf, 0, sizeof(buf));
2318         buf_size = min(count, sizeof(buf) - 1);
2319         if (copy_from_user(buf, user_buf, buf_size))
2320                 return -EFAULT;
2321         if (sscanf(buf, "%x", &calib_disabled) != 1)
2322                 return -EFAULT;
2323
2324         priv->calib_disabled = calib_disabled;
2325
2326         return count;
2327 }
2328
2329 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2330 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2331 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2332 DEBUGFS_READ_FILE_OPS(sensitivity);
2333 DEBUGFS_READ_FILE_OPS(chain_noise);
2334 DEBUGFS_READ_FILE_OPS(power_save_status);
2335 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2336 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2337 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2338 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2339 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2340 DEBUGFS_READ_FILE_OPS(rxon_flags);
2341 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2342 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2343 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2344 DEBUGFS_READ_FILE_OPS(bt_traffic);
2345 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2346 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2347 DEBUGFS_WRITE_FILE_OPS(echo_test);
2348 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2349 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
2350
2351 /*
2352  * Create the debugfs files and directories
2353  *
2354  */
2355 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2356 {
2357         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2358         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2359
2360         dir_drv = debugfs_create_dir(name, phyd);
2361         if (!dir_drv)
2362                 return -ENOMEM;
2363
2364         priv->debugfs_dir = dir_drv;
2365
2366         dir_data = debugfs_create_dir("data", dir_drv);
2367         if (!dir_data)
2368                 goto err;
2369         dir_rf = debugfs_create_dir("rf", dir_drv);
2370         if (!dir_rf)
2371                 goto err;
2372         dir_debug = debugfs_create_dir("debug", dir_drv);
2373         if (!dir_debug)
2374                 goto err;
2375
2376         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2377         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2378         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2379         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2380         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2381         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2382         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2383         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2384         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2385         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2386         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2387         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2388         DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2389
2390         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2391         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2392         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2393         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2394         DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2395         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2396         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2397         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2398         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2399         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2400         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2401         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2402         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2403         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2404         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2405         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2406         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2407         DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2408         DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2409
2410         if (iwl_advanced_bt_coexist(priv))
2411                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2412
2413         /* Calibrations disabled/enabled status*/
2414         DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
2415
2416         if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
2417                 goto err;
2418         return 0;
2419
2420 err:
2421         IWL_ERR(priv, "Can't create the debugfs directory\n");
2422         iwl_dbgfs_unregister(priv);
2423         return -ENOMEM;
2424 }
2425
2426 /**
2427  * Remove the debugfs files and directories
2428  *
2429  */
2430 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2431 {
2432         if (!priv->debugfs_dir)
2433                 return;
2434
2435         debugfs_remove_recursive(priv->debugfs_dir);
2436         priv->debugfs_dir = NULL;
2437 }