drivers/net/wireless/iwlwifi/dvm/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 #include <linux/ieee80211.h>
  34 #include <net/mac80211.h>
  35 #include "iwl-debug.h"
  36 #include "iwl-io.h"
  37 #include "dev.h"
  38 #include "agn.h"
  39
  40 /* create and remove of files */
  41 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  42         if (!debugfs_create_file(#name, mode, parent, priv,             \
  43                                  &iwl_dbgfs_##name##_ops))              \
  44                 goto err;                                               \
  45 } while (0)
  46
  47 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  48         struct dentry *__tmp;                                           \
  49         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  50                                     parent, ptr);                       \
  51         if (IS_ERR(__tmp) || !__tmp)                                    \
  52                 goto err;                                               \
  53 } while (0)
  54
  55 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  56         struct dentry *__tmp;                                           \
  57         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  58                                    parent, ptr);                        \
  59         if (IS_ERR(__tmp) || !__tmp)                                    \
  60                 goto err;                                               \
  61 } while (0)
  62
  63 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {                   \
  64         struct dentry *__tmp;                                           \
  65         __tmp = debugfs_create_u32(#name, mode,                         \
  66                                    parent, ptr);                        \
  67         if (IS_ERR(__tmp) || !__tmp)                                    \
  68                 goto err;                                               \
  69 } while (0)
  70
  71 /* file operation */
  72 #define DEBUGFS_READ_FUNC(name)                                         \
  73 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  74                                         char __user *user_buf,          \
  75                                         size_t count, loff_t *ppos);
  76
  77 #define DEBUGFS_WRITE_FUNC(name)                                        \
  78 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  79                                         const char __user *user_buf,    \
  80                                         size_t count, loff_t *ppos);
  81
  82
  83 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  84         DEBUGFS_READ_FUNC(name);                                        \
  85 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  86         .read = iwl_dbgfs_##name##_read,                                \
  87         .open = simple_open,                                            \
  88         .llseek = generic_file_llseek,                                  \
  89 };
  90
  91 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
  92         DEBUGFS_WRITE_FUNC(name);                                       \
  93 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  94         .write = iwl_dbgfs_##name##_write,                              \
  95         .open = simple_open,                                            \
  96         .llseek = generic_file_llseek,                                  \
  97 };
  98
  99
 100 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 101         DEBUGFS_READ_FUNC(name);                                        \
 102         DEBUGFS_WRITE_FUNC(name);                                       \
 103 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 104         .write = iwl_dbgfs_##name##_write,                              \
 105         .read = iwl_dbgfs_##name##_read,                                \
 106         .open = simple_open,                                            \
 107         .llseek = generic_file_llseek,                                  \
 108 };
 109
 110 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 111                                         char __user *user_buf,
 112                                         size_t count, loff_t *ppos)
 113 {
 114         u32 val = 0;
 115         char *buf;
 116         ssize_t ret;
 117         int i = 0;
 118         bool device_format = false;
 119         int offset = 0;
 120         int len = 0;
 121         int pos = 0;
 122         int sram;
 123         struct iwl_priv *priv = file->private_data;
 124         const struct fw_img *img;
 125         size_t bufsz;
 126
 127         /* default is to dump the entire data segment */
 128         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 129                 priv->dbgfs_sram_offset = 0x800000;
 130                 if (!priv->ucode_loaded)
 131                         return -EINVAL;
 132                 img = &priv->fw->img[priv->cur_ucode];
 133                 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 134         }
 135         len = priv->dbgfs_sram_len;
 136
 137         if (len == -4) {
 138                 device_format = true;
 139                 len = 4;
 140         }
 141
 142         bufsz =  50 + len * 4;
 143         buf = kmalloc(bufsz, GFP_KERNEL);
 144         if (!buf)
 145                 return -ENOMEM;
 146
 147         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 148                          len);
 149         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 150                         priv->dbgfs_sram_offset);
 151
 152         /* adjust sram address since reads are only on even u32 boundaries */
 153         offset = priv->dbgfs_sram_offset & 0x3;
 154         sram = priv->dbgfs_sram_offset & ~0x3;
 155
 156         /* read the first u32 from sram */
 157         val = iwl_read_targ_mem(priv->trans, sram);
 158
 159         for (; len; len--) {
 160                 /* put the address at the start of every line */
 161                 if (i == 0)
 162                         pos += scnprintf(buf + pos, bufsz - pos,
 163                                 "%08X: ", sram + offset);
 164
 165                 if (device_format)
 166                         pos += scnprintf(buf + pos, bufsz - pos,
 167                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 168                 else
 169                         pos += scnprintf(buf + pos, bufsz - pos,
 170                                 "%02x ", (val >> (8 * offset)) & 0xff);
 171
 172                 /* if all bytes processed, read the next u32 from sram */
 173                 if (++offset == 4) {
 174                         sram += 4;
 175                         offset = 0;
 176                         val = iwl_read_targ_mem(priv->trans, sram);
 177                 }
 178
 179                 /* put in extra spaces and split lines for human readability */
 180                 if (++i == 16) {
 181                         i = 0;
 182                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 183                 } else if (!(i & 7)) {
 184                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 185                 } else if (!(i & 3)) {
 186                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 187                 }
 188         }
 189         if (i)
 190                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 191
 192         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 193         kfree(buf);
 194         return ret;
 195 }
 196
 197 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 198                                         const char __user *user_buf,
 199                                         size_t count, loff_t *ppos)
 200 {
 201         struct iwl_priv *priv = file->private_data;
 202         char buf[64];
 203         int buf_size;
 204         u32 offset, len;
 205
 206         memset(buf, 0, sizeof(buf));
 207         buf_size = min(count, sizeof(buf) -  1);
 208         if (copy_from_user(buf, user_buf, buf_size))
 209                 return -EFAULT;
 210
 211         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 212                 priv->dbgfs_sram_offset = offset;
 213                 priv->dbgfs_sram_len = len;
 214         } else if (sscanf(buf, "%x", &offset) == 1) {
 215                 priv->dbgfs_sram_offset = offset;
 216                 priv->dbgfs_sram_len = -4;
 217         } else {
 218                 priv->dbgfs_sram_offset = 0;
 219                 priv->dbgfs_sram_len = 0;
 220         }
 221
 222         return count;
 223 }
 224
 225 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 226                                           char __user *user_buf,
 227                                           size_t count, loff_t *ppos)
 228 {
 229         struct iwl_priv *priv = file->private_data;
 230         const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
 231
 232         if (!priv->wowlan_sram)
 233                 return -ENODATA;
 234
 235         return simple_read_from_buffer(user_buf, count, ppos,
 236                                        priv->wowlan_sram,
 237                                        img->sec[IWL_UCODE_SECTION_DATA].len);
 238 }
 239 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 240                                         size_t count, loff_t *ppos)
 241 {
 242         struct iwl_priv *priv = file->private_data;
 243         struct iwl_station_entry *station;
 244         struct iwl_tid_data *tid_data;
 245         char *buf;
 246         int i, j, pos = 0;
 247         ssize_t ret;
 248         /* Add 30 for initial string */
 249         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 250
 251         buf = kmalloc(bufsz, GFP_KERNEL);
 252         if (!buf)
 253                 return -ENOMEM;
 254
 255         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 256                         priv->num_stations);
 257
 258         for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
 259                 station = &priv->stations[i];
 260                 if (!station->used)
 261                         continue;
 262                 pos += scnprintf(buf + pos, bufsz - pos,
 263                                  "station %d - addr: %pM, flags: %#x\n",
 264                                  i, station->sta.sta.addr,
 265                                  station->sta.station_flags_msk);
 266                 pos += scnprintf(buf + pos, bufsz - pos,
 267                                 "TID seqno  next_rclmd "
 268                                 "rate_n_flags state txq\n");
 269
 270                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 271                         tid_data = &priv->tid_data[i][j];
 272                         pos += scnprintf(buf + pos, bufsz - pos,
 273                                 "%d:  0x%.4x 0x%.4x     0x%.8x   "
 274                                 "%d     %.2d",
 275                                 j, tid_data->seq_number,
 276                                 tid_data->next_reclaimed,
 277                                 tid_data->agg.rate_n_flags,
 278                                 tid_data->agg.state,
 279                                 tid_data->agg.txq_id);
 280
 281                         if (tid_data->agg.wait_for_ba)
 282                                 pos += scnprintf(buf + pos, bufsz - pos,
 283                                                  " - waitforba");
 284                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 285                 }
 286
 287                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 288         }
 289
 290         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 291         kfree(buf);
 292         return ret;
 293 }
 294
 295 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 296                                        char __user *user_buf,
 297                                        size_t count,
 298                                        loff_t *ppos)
 299 {
 300         ssize_t ret;
 301         struct iwl_priv *priv = file->private_data;
 302         int pos = 0, ofs = 0, buf_size = 0;
 303         const u8 *ptr;
 304         char *buf;
 305         u16 eeprom_ver;
 306         size_t eeprom_len = priv->eeprom_blob_size;
 307         buf_size = 4 * eeprom_len + 256;
 308
 309         if (eeprom_len % 16)
 310                 return -ENODATA;
 311
 312         ptr = priv->eeprom_blob;
 313         if (!ptr)
 314                 return -ENOMEM;
 315
 316         /* 4 characters for byte 0xYY */
 317         buf = kzalloc(buf_size, GFP_KERNEL);
 318         if (!buf)
 319                 return -ENOMEM;
 320
 321         eeprom_ver = priv->eeprom_data->eeprom_version;
 322         pos += scnprintf(buf + pos, buf_size - pos,
 323                          "NVM version: 0x%x\n", eeprom_ver);
 324         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 325                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 326                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 327                                    buf_size - pos, 0);
 328                 pos += strlen(buf + pos);
 329                 if (buf_size - pos > 0)
 330                         buf[pos++] = '\n';
 331         }
 332
 333         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 334         kfree(buf);
 335         return ret;
 336 }
 337
 338 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 339                                        size_t count, loff_t *ppos)
 340 {
 341         struct iwl_priv *priv = file->private_data;
 342         struct ieee80211_channel *channels = NULL;
 343         const struct ieee80211_supported_band *supp_band = NULL;
 344         int pos = 0, i, bufsz = PAGE_SIZE;
 345         char *buf;
 346         ssize_t ret;
 347
 348         buf = kzalloc(bufsz, GFP_KERNEL);
 349         if (!buf)
 350                 return -ENOMEM;
 351
 352         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 353         if (supp_band) {
 354                 channels = supp_band->channels;
 355
 356                 pos += scnprintf(buf + pos, bufsz - pos,
 357                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 358                                 supp_band->n_channels);
 359
 360                 for (i = 0; i < supp_band->n_channels; i++)
 361                         pos += scnprintf(buf + pos, bufsz - pos,
 362                                         "%d: %ddBm: BSS%s%s, %s.\n",
 363                                         channels[i].hw_value,
 364                                         channels[i].max_power,
 365                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 366                                         " (IEEE 802.11h required)" : "",
 367                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 368                                         || (channels[i].flags &
 369                                         IEEE80211_CHAN_RADAR)) ? "" :
 370                                         ", IBSS",
 371                                         channels[i].flags &
 372                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 373                                         "passive only" : "active/passive");
 374         }
 375         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 376         if (supp_band) {
 377                 channels = supp_band->channels;
 378
 379                 pos += scnprintf(buf + pos, bufsz - pos,
 380                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 381                                 supp_band->n_channels);
 382
 383                 for (i = 0; i < supp_band->n_channels; i++)
 384                         pos += scnprintf(buf + pos, bufsz - pos,
 385                                         "%d: %ddBm: BSS%s%s, %s.\n",
 386                                         channels[i].hw_value,
 387                                         channels[i].max_power,
 388                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 389                                         " (IEEE 802.11h required)" : "",
 390                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 391                                         || (channels[i].flags &
 392                                         IEEE80211_CHAN_RADAR)) ? "" :
 393                                         ", IBSS",
 394                                         channels[i].flags &
 395                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 396                                         "passive only" : "active/passive");
 397         }
 398         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 399         kfree(buf);
 400         return ret;
 401 }
 402
 403 static ssize_t iwl_dbgfs_status_read(struct file *file,
 404                                                 char __user *user_buf,
 405                                                 size_t count, loff_t *ppos) {
 406
 407         struct iwl_priv *priv = file->private_data;
 408         char buf[512];
 409         int pos = 0;
 410         const size_t bufsz = sizeof(buf);
 411
 412         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 413                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 414         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 415                 test_bit(STATUS_CT_KILL, &priv->status));
 416         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 417                 test_bit(STATUS_ALIVE, &priv->status));
 418         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 419                 test_bit(STATUS_READY, &priv->status));
 420         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 421                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 422         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 423                 test_bit(STATUS_STATISTICS, &priv->status));
 424         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 425                 test_bit(STATUS_SCANNING, &priv->status));
 426         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 427                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 428         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 429                 test_bit(STATUS_SCAN_HW, &priv->status));
 430         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 431                 test_bit(STATUS_POWER_PMI, &priv->status));
 432         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 433                 test_bit(STATUS_FW_ERROR, &priv->status));
 434         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 435 }
 436
 437 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 438                                         char __user *user_buf,
 439                                         size_t count, loff_t *ppos) {
 440
 441         struct iwl_priv *priv = file->private_data;
 442
 443         int pos = 0;
 444         int cnt = 0;
 445         char *buf;
 446         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 447         ssize_t ret;
 448
 449         buf = kzalloc(bufsz, GFP_KERNEL);
 450         if (!buf)
 451                 return -ENOMEM;
 452
 453         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 454                 if (priv->rx_handlers_stats[cnt] > 0)
 455                         pos += scnprintf(buf + pos, bufsz - pos,
 456                                 "\tRx handler[%36s]:\t\t %u\n",
 457                                 iwl_dvm_get_cmd_string(cnt),
 458                                 priv->rx_handlers_stats[cnt]);
 459         }
 460
 461         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 462         kfree(buf);
 463         return ret;
 464 }
 465
 466 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 467                                          const char __user *user_buf,
 468                                          size_t count, loff_t *ppos)
 469 {
 470         struct iwl_priv *priv = file->private_data;
 471
 472         char buf[8];
 473         int buf_size;
 474         u32 reset_flag;
 475
 476         memset(buf, 0, sizeof(buf));
 477         buf_size = min(count, sizeof(buf) -  1);
 478         if (copy_from_user(buf, user_buf, buf_size))
 479                 return -EFAULT;
 480         if (sscanf(buf, "%x", &reset_flag) != 1)
 481                 return -EFAULT;
 482         if (reset_flag == 0)
 483                 memset(&priv->rx_handlers_stats[0], 0,
 484                         sizeof(priv->rx_handlers_stats));
 485
 486         return count;
 487 }
 488
 489 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 490                                        size_t count, loff_t *ppos)
 491 {
 492         struct iwl_priv *priv = file->private_data;
 493         struct iwl_rxon_context *ctx;
 494         int pos = 0, i;
 495         char buf[256 * NUM_IWL_RXON_CTX];
 496         const size_t bufsz = sizeof(buf);
 497
 498         for_each_context(priv, ctx) {
 499                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 500                                  ctx->ctxid);
 501                 for (i = 0; i < AC_NUM; i++) {
 502                         pos += scnprintf(buf + pos, bufsz - pos,
 503                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 504                         pos += scnprintf(buf + pos, bufsz - pos,
 505                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 506                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 507                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 508                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 509                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 510                 }
 511                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 512         }
 513         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 514 }
 515
 516 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 517                                 char __user *user_buf,
 518                                 size_t count, loff_t *ppos)
 519 {
 520         struct iwl_priv *priv = file->private_data;
 521         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 522         struct iwl_tt_restriction *restriction;
 523         char buf[100];
 524         int pos = 0;
 525         const size_t bufsz = sizeof(buf);
 526
 527         pos += scnprintf(buf + pos, bufsz - pos,
 528                         "Thermal Throttling Mode: %s\n",
 529                         tt->advanced_tt ? "Advance" : "Legacy");
 530         pos += scnprintf(buf + pos, bufsz - pos,
 531                         "Thermal Throttling State: %d\n",
 532                         tt->state);
 533         if (tt->advanced_tt) {
 534                 restriction = tt->restriction + tt->state;
 535                 pos += scnprintf(buf + pos, bufsz - pos,
 536                                 "Tx mode: %d\n",
 537                                 restriction->tx_stream);
 538                 pos += scnprintf(buf + pos, bufsz - pos,
 539                                 "Rx mode: %d\n",
 540                                 restriction->rx_stream);
 541                 pos += scnprintf(buf + pos, bufsz - pos,
 542                                 "HT mode: %d\n",
 543                                 restriction->is_ht);
 544         }
 545         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 546 }
 547
 548 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 549                                          const char __user *user_buf,
 550                                          size_t count, loff_t *ppos)
 551 {
 552         struct iwl_priv *priv = file->private_data;
 553         char buf[8];
 554         int buf_size;
 555         int ht40;
 556
 557         memset(buf, 0, sizeof(buf));
 558         buf_size = min(count, sizeof(buf) -  1);
 559         if (copy_from_user(buf, user_buf, buf_size))
 560                 return -EFAULT;
 561         if (sscanf(buf, "%d", &ht40) != 1)
 562                 return -EFAULT;
 563         if (!iwl_is_any_associated(priv))
 564                 priv->disable_ht40 = ht40 ? true : false;
 565         else
 566                 return -EINVAL;
 567
 568         return count;
 569 }
 570
 571 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 572                                          char __user *user_buf,
 573                                          size_t count, loff_t *ppos)
 574 {
 575         struct iwl_priv *priv = file->private_data;
 576         char buf[100];
 577         int pos = 0;
 578         const size_t bufsz = sizeof(buf);
 579
 580         pos += scnprintf(buf + pos, bufsz - pos,
 581                         "11n 40MHz Mode: %s\n",
 582                         priv->disable_ht40 ? "Disabled" : "Enabled");
 583         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 584 }
 585
 586 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
 587                                          char __user *user_buf,
 588                                          size_t count, loff_t *ppos)
 589 {
 590         struct iwl_priv *priv = file->private_data;
 591         char buf[8];
 592         int pos = 0;
 593         const size_t bufsz = sizeof(buf);
 594
 595         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
 596         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 597 }
 598
 599
 600 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 601                                                     const char __user *user_buf,
 602                                                     size_t count, loff_t *ppos)
 603 {
 604         struct iwl_priv *priv = file->private_data;
 605         char buf[8];
 606         int buf_size;
 607         int value;
 608
 609         memset(buf, 0, sizeof(buf));
 610         buf_size = min(count, sizeof(buf) -  1);
 611         if (copy_from_user(buf, user_buf, buf_size))
 612                 return -EFAULT;
 613
 614         if (sscanf(buf, "%d", &value) != 1)
 615                 return -EINVAL;
 616
 617         /*
 618          * Our users expect 0 to be "CAM", but 0 isn't actually
 619          * valid here. However, let's not confuse them and present
 620          * IWL_POWER_INDEX_1 as "1", not "0".
 621          */
 622         if (value == 0)
 623                 return -EINVAL;
 624         else if (value > 0)
 625                 value -= 1;
 626
 627         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 628                 return -EINVAL;
 629
 630         if (!iwl_is_ready_rf(priv))
 631                 return -EAGAIN;
 632
 633         priv->power_data.debug_sleep_level_override = value;
 634
 635         mutex_lock(&priv->mutex);
 636         iwl_power_update_mode(priv, true);
 637         mutex_unlock(&priv->mutex);
 638
 639         return count;
 640 }
 641
 642 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 643                                                    char __user *user_buf,
 644                                                    size_t count, loff_t *ppos)
 645 {
 646         struct iwl_priv *priv = file->private_data;
 647         char buf[10];
 648         int pos, value;
 649         const size_t bufsz = sizeof(buf);
 650
 651         /* see the write function */
 652         value = priv->power_data.debug_sleep_level_override;
 653         if (value >= 0)
 654                 value += 1;
 655
 656         pos = scnprintf(buf, bufsz, "%d\n", value);
 657         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 658 }
 659
 660 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 661                                                     char __user *user_buf,
 662                                                     size_t count, loff_t *ppos)
 663 {
 664         struct iwl_priv *priv = file->private_data;
 665         char buf[200];
 666         int pos = 0, i;
 667         const size_t bufsz = sizeof(buf);
 668         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 669
 670         pos += scnprintf(buf + pos, bufsz - pos,
 671                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 672         pos += scnprintf(buf + pos, bufsz - pos,
 673                          "RX/TX timeout: %d/%d usec\n",
 674                          le32_to_cpu(cmd->rx_data_timeout),
 675                          le32_to_cpu(cmd->tx_data_timeout));
 676         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 677                 pos += scnprintf(buf + pos, bufsz - pos,
 678                                  "sleep_interval[%d]: %d\n", i,
 679                                  le32_to_cpu(cmd->sleep_interval[i]));
 680
 681         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 682 }
 683
 684 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 685 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 686 DEBUGFS_READ_FILE_OPS(nvm);
 687 DEBUGFS_READ_FILE_OPS(stations);
 688 DEBUGFS_READ_FILE_OPS(channels);
 689 DEBUGFS_READ_FILE_OPS(status);
 690 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 691 DEBUGFS_READ_FILE_OPS(qos);
 692 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 693 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 694 DEBUGFS_READ_FILE_OPS(temperature);
 695 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 696 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 697
 698 static const char *fmt_value = "  %-30s %10u\n";
 699 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 700 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 701 static const char *fmt_header =
 702         "%-32s    current  cumulative       delta         max\n";
 703
 704 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 705 {
 706         int p = 0;
 707         u32 flag;
 708
 709         lockdep_assert_held(&priv->statistics.lock);
 710
 711         flag = le32_to_cpu(priv->statistics.flag);
 712
 713         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 714         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 715                 p += scnprintf(buf + p, bufsz - p,
 716                 "\tStatistics have been cleared\n");
 717         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 718                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 719                 ? "2.4 GHz" : "5.2 GHz");
 720         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 721                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 722                  ? "enabled" : "disabled");
 723
 724         return p;
 725 }
 726
 727 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 728                                         char __user *user_buf,
 729                                         size_t count, loff_t *ppos)
 730 {
 731         struct iwl_priv *priv = file->private_data;
 732         int pos = 0;
 733         char *buf;
 734         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 735                     sizeof(struct statistics_rx_non_phy) * 40 +
 736                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 737         ssize_t ret;
 738         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 739         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 740         struct statistics_rx_non_phy *general, *accum_general;
 741         struct statistics_rx_non_phy *delta_general, *max_general;
 742         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 743
 744         if (!iwl_is_alive(priv))
 745                 return -EAGAIN;
 746
 747         buf = kzalloc(bufsz, GFP_KERNEL);
 748         if (!buf)
 749                 return -ENOMEM;
 750
 751         /*
 752          * the statistic information display here is based on
 753          * the last statistics notification from uCode
 754          * might not reflect the current uCode activity
 755          */
 756         spin_lock_bh(&priv->statistics.lock);
 757         ofdm = &priv->statistics.rx_ofdm;
 758         cck = &priv->statistics.rx_cck;
 759         general = &priv->statistics.rx_non_phy;
 760         ht = &priv->statistics.rx_ofdm_ht;
 761         accum_ofdm = &priv->accum_stats.rx_ofdm;
 762         accum_cck = &priv->accum_stats.rx_cck;
 763         accum_general = &priv->accum_stats.rx_non_phy;
 764         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 765         delta_ofdm = &priv->delta_stats.rx_ofdm;
 766         delta_cck = &priv->delta_stats.rx_cck;
 767         delta_general = &priv->delta_stats.rx_non_phy;
 768         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 769         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 770         max_cck = &priv->max_delta_stats.rx_cck;
 771         max_general = &priv->max_delta_stats.rx_non_phy;
 772         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 773
 774         pos += iwl_statistics_flag(priv, buf, bufsz);
 775         pos += scnprintf(buf + pos, bufsz - pos,
 776                          fmt_header, "Statistics_Rx - OFDM:");
 777         pos += scnprintf(buf + pos, bufsz - pos,
 778                          fmt_table, "ina_cnt:",
 779                          le32_to_cpu(ofdm->ina_cnt),
 780                          accum_ofdm->ina_cnt,
 781                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 782         pos += scnprintf(buf + pos, bufsz - pos,
 783                          fmt_table, "fina_cnt:",
 784                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 785                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 786         pos += scnprintf(buf + pos, bufsz - pos,
 787                          fmt_table, "plcp_err:",
 788                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 789                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
 790         pos += scnprintf(buf + pos, bufsz - pos,
 791                          fmt_table, "crc32_err:",
 792                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
 793                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
 794         pos += scnprintf(buf + pos, bufsz - pos,
 795                          fmt_table, "overrun_err:",
 796                          le32_to_cpu(ofdm->overrun_err),
 797                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
 798                          max_ofdm->overrun_err);
 799         pos += scnprintf(buf + pos, bufsz - pos,
 800                          fmt_table, "early_overrun_err:",
 801                          le32_to_cpu(ofdm->early_overrun_err),
 802                          accum_ofdm->early_overrun_err,
 803                          delta_ofdm->early_overrun_err,
 804                          max_ofdm->early_overrun_err);
 805         pos += scnprintf(buf + pos, bufsz - pos,
 806                          fmt_table, "crc32_good:",
 807                          le32_to_cpu(ofdm->crc32_good),
 808                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
 809                          max_ofdm->crc32_good);
 810         pos += scnprintf(buf + pos, bufsz - pos,
 811                          fmt_table, "false_alarm_cnt:",
 812                          le32_to_cpu(ofdm->false_alarm_cnt),
 813                          accum_ofdm->false_alarm_cnt,
 814                          delta_ofdm->false_alarm_cnt,
 815                          max_ofdm->false_alarm_cnt);
 816         pos += scnprintf(buf + pos, bufsz - pos,
 817                          fmt_table, "fina_sync_err_cnt:",
 818                          le32_to_cpu(ofdm->fina_sync_err_cnt),
 819                          accum_ofdm->fina_sync_err_cnt,
 820                          delta_ofdm->fina_sync_err_cnt,
 821                          max_ofdm->fina_sync_err_cnt);
 822         pos += scnprintf(buf + pos, bufsz - pos,
 823                          fmt_table, "sfd_timeout:",
 824                          le32_to_cpu(ofdm->sfd_timeout),
 825                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
 826                          max_ofdm->sfd_timeout);
 827         pos += scnprintf(buf + pos, bufsz - pos,
 828                          fmt_table, "fina_timeout:",
 829                          le32_to_cpu(ofdm->fina_timeout),
 830                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
 831                          max_ofdm->fina_timeout);
 832         pos += scnprintf(buf + pos, bufsz - pos,
 833                          fmt_table, "unresponded_rts:",
 834                          le32_to_cpu(ofdm->unresponded_rts),
 835                          accum_ofdm->unresponded_rts,
 836                          delta_ofdm->unresponded_rts,
 837                          max_ofdm->unresponded_rts);
 838         pos += scnprintf(buf + pos, bufsz - pos,
 839                          fmt_table, "rxe_frame_lmt_ovrun:",
 840                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
 841                          accum_ofdm->rxe_frame_limit_overrun,
 842                          delta_ofdm->rxe_frame_limit_overrun,
 843                          max_ofdm->rxe_frame_limit_overrun);
 844         pos += scnprintf(buf + pos, bufsz - pos,
 845                          fmt_table, "sent_ack_cnt:",
 846                          le32_to_cpu(ofdm->sent_ack_cnt),
 847                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
 848                          max_ofdm->sent_ack_cnt);
 849         pos += scnprintf(buf + pos, bufsz - pos,
 850                          fmt_table, "sent_cts_cnt:",
 851                          le32_to_cpu(ofdm->sent_cts_cnt),
 852                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
 853                          max_ofdm->sent_cts_cnt);
 854         pos += scnprintf(buf + pos, bufsz - pos,
 855                          fmt_table, "sent_ba_rsp_cnt:",
 856                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
 857                          accum_ofdm->sent_ba_rsp_cnt,
 858                          delta_ofdm->sent_ba_rsp_cnt,
 859                          max_ofdm->sent_ba_rsp_cnt);
 860         pos += scnprintf(buf + pos, bufsz - pos,
 861                          fmt_table, "dsp_self_kill:",
 862                          le32_to_cpu(ofdm->dsp_self_kill),
 863                          accum_ofdm->dsp_self_kill,
 864                          delta_ofdm->dsp_self_kill,
 865                          max_ofdm->dsp_self_kill);
 866         pos += scnprintf(buf + pos, bufsz - pos,
 867                          fmt_table, "mh_format_err:",
 868                          le32_to_cpu(ofdm->mh_format_err),
 869                          accum_ofdm->mh_format_err,
 870                          delta_ofdm->mh_format_err,
 871                          max_ofdm->mh_format_err);
 872         pos += scnprintf(buf + pos, bufsz - pos,
 873                          fmt_table, "re_acq_main_rssi_sum:",
 874                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
 875                          accum_ofdm->re_acq_main_rssi_sum,
 876                          delta_ofdm->re_acq_main_rssi_sum,
 877                          max_ofdm->re_acq_main_rssi_sum);
 878
 879         pos += scnprintf(buf + pos, bufsz - pos,
 880                          fmt_header, "Statistics_Rx - CCK:");
 881         pos += scnprintf(buf + pos, bufsz - pos,
 882                          fmt_table, "ina_cnt:",
 883                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
 884                          delta_cck->ina_cnt, max_cck->ina_cnt);
 885         pos += scnprintf(buf + pos, bufsz - pos,
 886                          fmt_table, "fina_cnt:",
 887                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
 888                          delta_cck->fina_cnt, max_cck->fina_cnt);
 889         pos += scnprintf(buf + pos, bufsz - pos,
 890                          fmt_table, "plcp_err:",
 891                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
 892                          delta_cck->plcp_err, max_cck->plcp_err);
 893         pos += scnprintf(buf + pos, bufsz - pos,
 894                          fmt_table, "crc32_err:",
 895                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
 896                          delta_cck->crc32_err, max_cck->crc32_err);
 897         pos += scnprintf(buf + pos, bufsz - pos,
 898                          fmt_table, "overrun_err:",
 899                          le32_to_cpu(cck->overrun_err),
 900                          accum_cck->overrun_err, delta_cck->overrun_err,
 901                          max_cck->overrun_err);
 902         pos += scnprintf(buf + pos, bufsz - pos,
 903                          fmt_table, "early_overrun_err:",
 904                          le32_to_cpu(cck->early_overrun_err),
 905                          accum_cck->early_overrun_err,
 906                          delta_cck->early_overrun_err,
 907                          max_cck->early_overrun_err);
 908         pos += scnprintf(buf + pos, bufsz - pos,
 909                          fmt_table, "crc32_good:",
 910                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
 911                          delta_cck->crc32_good, max_cck->crc32_good);
 912         pos += scnprintf(buf + pos, bufsz - pos,
 913                          fmt_table, "false_alarm_cnt:",
 914                          le32_to_cpu(cck->false_alarm_cnt),
 915                          accum_cck->false_alarm_cnt,
 916                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
 917         pos += scnprintf(buf + pos, bufsz - pos,
 918                          fmt_table, "fina_sync_err_cnt:",
 919                          le32_to_cpu(cck->fina_sync_err_cnt),
 920                          accum_cck->fina_sync_err_cnt,
 921                          delta_cck->fina_sync_err_cnt,
 922                          max_cck->fina_sync_err_cnt);
 923         pos += scnprintf(buf + pos, bufsz - pos,
 924                          fmt_table, "sfd_timeout:",
 925                          le32_to_cpu(cck->sfd_timeout),
 926                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
 927                          max_cck->sfd_timeout);
 928         pos += scnprintf(buf + pos, bufsz - pos,
 929                          fmt_table, "fina_timeout:",
 930                          le32_to_cpu(cck->fina_timeout),
 931                          accum_cck->fina_timeout, delta_cck->fina_timeout,
 932                          max_cck->fina_timeout);
 933         pos += scnprintf(buf + pos, bufsz - pos,
 934                          fmt_table, "unresponded_rts:",
 935                          le32_to_cpu(cck->unresponded_rts),
 936                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
 937                          max_cck->unresponded_rts);
 938         pos += scnprintf(buf + pos, bufsz - pos,
 939                          fmt_table, "rxe_frame_lmt_ovrun:",
 940                          le32_to_cpu(cck->rxe_frame_limit_overrun),
 941                          accum_cck->rxe_frame_limit_overrun,
 942                          delta_cck->rxe_frame_limit_overrun,
 943                          max_cck->rxe_frame_limit_overrun);
 944         pos += scnprintf(buf + pos, bufsz - pos,
 945                          fmt_table, "sent_ack_cnt:",
 946                          le32_to_cpu(cck->sent_ack_cnt),
 947                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
 948                          max_cck->sent_ack_cnt);
 949         pos += scnprintf(buf + pos, bufsz - pos,
 950                          fmt_table, "sent_cts_cnt:",
 951                          le32_to_cpu(cck->sent_cts_cnt),
 952                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
 953                          max_cck->sent_cts_cnt);
 954         pos += scnprintf(buf + pos, bufsz - pos,
 955                          fmt_table, "sent_ba_rsp_cnt:",
 956                          le32_to_cpu(cck->sent_ba_rsp_cnt),
 957                          accum_cck->sent_ba_rsp_cnt,
 958                          delta_cck->sent_ba_rsp_cnt,
 959                          max_cck->sent_ba_rsp_cnt);
 960         pos += scnprintf(buf + pos, bufsz - pos,
 961                          fmt_table, "dsp_self_kill:",
 962                          le32_to_cpu(cck->dsp_self_kill),
 963                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
 964                          max_cck->dsp_self_kill);
 965         pos += scnprintf(buf + pos, bufsz - pos,
 966                          fmt_table, "mh_format_err:",
 967                          le32_to_cpu(cck->mh_format_err),
 968                          accum_cck->mh_format_err, delta_cck->mh_format_err,
 969                          max_cck->mh_format_err);
 970         pos += scnprintf(buf + pos, bufsz - pos,
 971                          fmt_table, "re_acq_main_rssi_sum:",
 972                          le32_to_cpu(cck->re_acq_main_rssi_sum),
 973                          accum_cck->re_acq_main_rssi_sum,
 974                          delta_cck->re_acq_main_rssi_sum,
 975                          max_cck->re_acq_main_rssi_sum);
 976
 977         pos += scnprintf(buf + pos, bufsz - pos,
 978                          fmt_header, "Statistics_Rx - GENERAL:");
 979         pos += scnprintf(buf + pos, bufsz - pos,
 980                          fmt_table, "bogus_cts:",
 981                          le32_to_cpu(general->bogus_cts),
 982                          accum_general->bogus_cts, delta_general->bogus_cts,
 983                          max_general->bogus_cts);
 984         pos += scnprintf(buf + pos, bufsz - pos,
 985                          fmt_table, "bogus_ack:",
 986                          le32_to_cpu(general->bogus_ack),
 987                          accum_general->bogus_ack, delta_general->bogus_ack,
 988                          max_general->bogus_ack);
 989         pos += scnprintf(buf + pos, bufsz - pos,
 990                          fmt_table, "non_bssid_frames:",
 991                          le32_to_cpu(general->non_bssid_frames),
 992                          accum_general->non_bssid_frames,
 993                          delta_general->non_bssid_frames,
 994                          max_general->non_bssid_frames);
 995         pos += scnprintf(buf + pos, bufsz - pos,
 996                          fmt_table, "filtered_frames:",
 997                          le32_to_cpu(general->filtered_frames),
 998                          accum_general->filtered_frames,
 999                          delta_general->filtered_frames,
1000                          max_general->filtered_frames);
1001         pos += scnprintf(buf + pos, bufsz - pos,
1002                          fmt_table, "non_channel_beacons:",
1003                          le32_to_cpu(general->non_channel_beacons),
1004                          accum_general->non_channel_beacons,
1005                          delta_general->non_channel_beacons,
1006                          max_general->non_channel_beacons);
1007         pos += scnprintf(buf + pos, bufsz - pos,
1008                          fmt_table, "channel_beacons:",
1009                          le32_to_cpu(general->channel_beacons),
1010                          accum_general->channel_beacons,
1011                          delta_general->channel_beacons,
1012                          max_general->channel_beacons);
1013         pos += scnprintf(buf + pos, bufsz - pos,
1014                          fmt_table, "num_missed_bcon:",
1015                          le32_to_cpu(general->num_missed_bcon),
1016                          accum_general->num_missed_bcon,
1017                          delta_general->num_missed_bcon,
1018                          max_general->num_missed_bcon);
1019         pos += scnprintf(buf + pos, bufsz - pos,
1020                          fmt_table, "adc_rx_saturation_time:",
1021                          le32_to_cpu(general->adc_rx_saturation_time),
1022                          accum_general->adc_rx_saturation_time,
1023                          delta_general->adc_rx_saturation_time,
1024                          max_general->adc_rx_saturation_time);
1025         pos += scnprintf(buf + pos, bufsz - pos,
1026                          fmt_table, "ina_detect_search_tm:",
1027                          le32_to_cpu(general->ina_detection_search_time),
1028                          accum_general->ina_detection_search_time,
1029                          delta_general->ina_detection_search_time,
1030                          max_general->ina_detection_search_time);
1031         pos += scnprintf(buf + pos, bufsz - pos,
1032                          fmt_table, "beacon_silence_rssi_a:",
1033                          le32_to_cpu(general->beacon_silence_rssi_a),
1034                          accum_general->beacon_silence_rssi_a,
1035                          delta_general->beacon_silence_rssi_a,
1036                          max_general->beacon_silence_rssi_a);
1037         pos += scnprintf(buf + pos, bufsz - pos,
1038                          fmt_table, "beacon_silence_rssi_b:",
1039                          le32_to_cpu(general->beacon_silence_rssi_b),
1040                          accum_general->beacon_silence_rssi_b,
1041                          delta_general->beacon_silence_rssi_b,
1042                          max_general->beacon_silence_rssi_b);
1043         pos += scnprintf(buf + pos, bufsz - pos,
1044                          fmt_table, "beacon_silence_rssi_c:",
1045                          le32_to_cpu(general->beacon_silence_rssi_c),
1046                          accum_general->beacon_silence_rssi_c,
1047                          delta_general->beacon_silence_rssi_c,
1048                          max_general->beacon_silence_rssi_c);
1049         pos += scnprintf(buf + pos, bufsz - pos,
1050                          fmt_table, "interference_data_flag:",
1051                          le32_to_cpu(general->interference_data_flag),
1052                          accum_general->interference_data_flag,
1053                          delta_general->interference_data_flag,
1054                          max_general->interference_data_flag);
1055         pos += scnprintf(buf + pos, bufsz - pos,
1056                          fmt_table, "channel_load:",
1057                          le32_to_cpu(general->channel_load),
1058                          accum_general->channel_load,
1059                          delta_general->channel_load,
1060                          max_general->channel_load);
1061         pos += scnprintf(buf + pos, bufsz - pos,
1062                          fmt_table, "dsp_false_alarms:",
1063                          le32_to_cpu(general->dsp_false_alarms),
1064                          accum_general->dsp_false_alarms,
1065                          delta_general->dsp_false_alarms,
1066                          max_general->dsp_false_alarms);
1067         pos += scnprintf(buf + pos, bufsz - pos,
1068                          fmt_table, "beacon_rssi_a:",
1069                          le32_to_cpu(general->beacon_rssi_a),
1070                          accum_general->beacon_rssi_a,
1071                          delta_general->beacon_rssi_a,
1072                          max_general->beacon_rssi_a);
1073         pos += scnprintf(buf + pos, bufsz - pos,
1074                          fmt_table, "beacon_rssi_b:",
1075                          le32_to_cpu(general->beacon_rssi_b),
1076                          accum_general->beacon_rssi_b,
1077                          delta_general->beacon_rssi_b,
1078                          max_general->beacon_rssi_b);
1079         pos += scnprintf(buf + pos, bufsz - pos,
1080                          fmt_table, "beacon_rssi_c:",
1081                          le32_to_cpu(general->beacon_rssi_c),
1082                          accum_general->beacon_rssi_c,
1083                          delta_general->beacon_rssi_c,
1084                          max_general->beacon_rssi_c);
1085         pos += scnprintf(buf + pos, bufsz - pos,
1086                          fmt_table, "beacon_energy_a:",
1087                          le32_to_cpu(general->beacon_energy_a),
1088                          accum_general->beacon_energy_a,
1089                          delta_general->beacon_energy_a,
1090                          max_general->beacon_energy_a);
1091         pos += scnprintf(buf + pos, bufsz - pos,
1092                          fmt_table, "beacon_energy_b:",
1093                          le32_to_cpu(general->beacon_energy_b),
1094                          accum_general->beacon_energy_b,
1095                          delta_general->beacon_energy_b,
1096                          max_general->beacon_energy_b);
1097         pos += scnprintf(buf + pos, bufsz - pos,
1098                          fmt_table, "beacon_energy_c:",
1099                          le32_to_cpu(general->beacon_energy_c),
1100                          accum_general->beacon_energy_c,
1101                          delta_general->beacon_energy_c,
1102                          max_general->beacon_energy_c);
1103
1104         pos += scnprintf(buf + pos, bufsz - pos,
1105                          fmt_header, "Statistics_Rx - OFDM_HT:");
1106         pos += scnprintf(buf + pos, bufsz - pos,
1107                          fmt_table, "plcp_err:",
1108                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1109                          delta_ht->plcp_err, max_ht->plcp_err);
1110         pos += scnprintf(buf + pos, bufsz - pos,
1111                          fmt_table, "overrun_err:",
1112                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1113                          delta_ht->overrun_err, max_ht->overrun_err);
1114         pos += scnprintf(buf + pos, bufsz - pos,
1115                          fmt_table, "early_overrun_err:",
1116                          le32_to_cpu(ht->early_overrun_err),
1117                          accum_ht->early_overrun_err,
1118                          delta_ht->early_overrun_err,
1119                          max_ht->early_overrun_err);
1120         pos += scnprintf(buf + pos, bufsz - pos,
1121                          fmt_table, "crc32_good:",
1122                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1123                          delta_ht->crc32_good, max_ht->crc32_good);
1124         pos += scnprintf(buf + pos, bufsz - pos,
1125                          fmt_table, "crc32_err:",
1126                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1127                          delta_ht->crc32_err, max_ht->crc32_err);
1128         pos += scnprintf(buf + pos, bufsz - pos,
1129                          fmt_table, "mh_format_err:",
1130                          le32_to_cpu(ht->mh_format_err),
1131                          accum_ht->mh_format_err,
1132                          delta_ht->mh_format_err, max_ht->mh_format_err);
1133         pos += scnprintf(buf + pos, bufsz - pos,
1134                          fmt_table, "agg_crc32_good:",
1135                          le32_to_cpu(ht->agg_crc32_good),
1136                          accum_ht->agg_crc32_good,
1137                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1138         pos += scnprintf(buf + pos, bufsz - pos,
1139                          fmt_table, "agg_mpdu_cnt:",
1140                          le32_to_cpu(ht->agg_mpdu_cnt),
1141                          accum_ht->agg_mpdu_cnt,
1142                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1143         pos += scnprintf(buf + pos, bufsz - pos,
1144                          fmt_table, "agg_cnt:",
1145                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1146                          delta_ht->agg_cnt, max_ht->agg_cnt);
1147         pos += scnprintf(buf + pos, bufsz - pos,
1148                          fmt_table, "unsupport_mcs:",
1149                          le32_to_cpu(ht->unsupport_mcs),
1150                          accum_ht->unsupport_mcs,
1151                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1152
1153         spin_unlock_bh(&priv->statistics.lock);
1154
1155         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1156         kfree(buf);
1157         return ret;
1158 }
1159
1160 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1161                                         char __user *user_buf,
1162                                         size_t count, loff_t *ppos)
1163 {
1164         struct iwl_priv *priv = file->private_data;
1165         int pos = 0;
1166         char *buf;
1167         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1168         ssize_t ret;
1169         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1170
1171         if (!iwl_is_alive(priv))
1172                 return -EAGAIN;
1173
1174         buf = kzalloc(bufsz, GFP_KERNEL);
1175         if (!buf)
1176                 return -ENOMEM;
1177
1178         /* the statistic information display here is based on
1179          * the last statistics notification from uCode
1180          * might not reflect the current uCode activity
1181          */
1182         spin_lock_bh(&priv->statistics.lock);
1183
1184         tx = &priv->statistics.tx;
1185         accum_tx = &priv->accum_stats.tx;
1186         delta_tx = &priv->delta_stats.tx;
1187         max_tx = &priv->max_delta_stats.tx;
1188
1189         pos += iwl_statistics_flag(priv, buf, bufsz);
1190         pos += scnprintf(buf + pos, bufsz - pos,
1191                          fmt_header, "Statistics_Tx:");
1192         pos += scnprintf(buf + pos, bufsz - pos,
1193                          fmt_table, "preamble:",
1194                          le32_to_cpu(tx->preamble_cnt),
1195                          accum_tx->preamble_cnt,
1196                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1197         pos += scnprintf(buf + pos, bufsz - pos,
1198                          fmt_table, "rx_detected_cnt:",
1199                          le32_to_cpu(tx->rx_detected_cnt),
1200                          accum_tx->rx_detected_cnt,
1201                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1202         pos += scnprintf(buf + pos, bufsz - pos,
1203                          fmt_table, "bt_prio_defer_cnt:",
1204                          le32_to_cpu(tx->bt_prio_defer_cnt),
1205                          accum_tx->bt_prio_defer_cnt,
1206                          delta_tx->bt_prio_defer_cnt,
1207                          max_tx->bt_prio_defer_cnt);
1208         pos += scnprintf(buf + pos, bufsz - pos,
1209                          fmt_table, "bt_prio_kill_cnt:",
1210                          le32_to_cpu(tx->bt_prio_kill_cnt),
1211                          accum_tx->bt_prio_kill_cnt,
1212                          delta_tx->bt_prio_kill_cnt,
1213                          max_tx->bt_prio_kill_cnt);
1214         pos += scnprintf(buf + pos, bufsz - pos,
1215                          fmt_table, "few_bytes_cnt:",
1216                          le32_to_cpu(tx->few_bytes_cnt),
1217                          accum_tx->few_bytes_cnt,
1218                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1219         pos += scnprintf(buf + pos, bufsz - pos,
1220                          fmt_table, "cts_timeout:",
1221                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1222                          delta_tx->cts_timeout, max_tx->cts_timeout);
1223         pos += scnprintf(buf + pos, bufsz - pos,
1224                          fmt_table, "ack_timeout:",
1225                          le32_to_cpu(tx->ack_timeout),
1226                          accum_tx->ack_timeout,
1227                          delta_tx->ack_timeout, max_tx->ack_timeout);
1228         pos += scnprintf(buf + pos, bufsz - pos,
1229                          fmt_table, "expected_ack_cnt:",
1230                          le32_to_cpu(tx->expected_ack_cnt),
1231                          accum_tx->expected_ack_cnt,
1232                          delta_tx->expected_ack_cnt,
1233                          max_tx->expected_ack_cnt);
1234         pos += scnprintf(buf + pos, bufsz - pos,
1235                          fmt_table, "actual_ack_cnt:",
1236                          le32_to_cpu(tx->actual_ack_cnt),
1237                          accum_tx->actual_ack_cnt,
1238                          delta_tx->actual_ack_cnt,
1239                          max_tx->actual_ack_cnt);
1240         pos += scnprintf(buf + pos, bufsz - pos,
1241                          fmt_table, "dump_msdu_cnt:",
1242                          le32_to_cpu(tx->dump_msdu_cnt),
1243                          accum_tx->dump_msdu_cnt,
1244                          delta_tx->dump_msdu_cnt,
1245                          max_tx->dump_msdu_cnt);
1246         pos += scnprintf(buf + pos, bufsz - pos,
1247                          fmt_table, "abort_nxt_frame_mismatch:",
1248                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1249                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1250                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1251                          max_tx->burst_abort_next_frame_mismatch_cnt);
1252         pos += scnprintf(buf + pos, bufsz - pos,
1253                          fmt_table, "abort_missing_nxt_frame:",
1254                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1255                          accum_tx->burst_abort_missing_next_frame_cnt,
1256                          delta_tx->burst_abort_missing_next_frame_cnt,
1257                          max_tx->burst_abort_missing_next_frame_cnt);
1258         pos += scnprintf(buf + pos, bufsz - pos,
1259                          fmt_table, "cts_timeout_collision:",
1260                          le32_to_cpu(tx->cts_timeout_collision),
1261                          accum_tx->cts_timeout_collision,
1262                          delta_tx->cts_timeout_collision,
1263                          max_tx->cts_timeout_collision);
1264         pos += scnprintf(buf + pos, bufsz - pos,
1265                          fmt_table, "ack_ba_timeout_collision:",
1266                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1267                          accum_tx->ack_or_ba_timeout_collision,
1268                          delta_tx->ack_or_ba_timeout_collision,
1269                          max_tx->ack_or_ba_timeout_collision);
1270         pos += scnprintf(buf + pos, bufsz - pos,
1271                          fmt_table, "agg ba_timeout:",
1272                          le32_to_cpu(tx->agg.ba_timeout),
1273                          accum_tx->agg.ba_timeout,
1274                          delta_tx->agg.ba_timeout,
1275                          max_tx->agg.ba_timeout);
1276         pos += scnprintf(buf + pos, bufsz - pos,
1277                          fmt_table, "agg ba_resched_frames:",
1278                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1279                          accum_tx->agg.ba_reschedule_frames,
1280                          delta_tx->agg.ba_reschedule_frames,
1281                          max_tx->agg.ba_reschedule_frames);
1282         pos += scnprintf(buf + pos, bufsz - pos,
1283                          fmt_table, "agg scd_query_agg_frame:",
1284                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1285                          accum_tx->agg.scd_query_agg_frame_cnt,
1286                          delta_tx->agg.scd_query_agg_frame_cnt,
1287                          max_tx->agg.scd_query_agg_frame_cnt);
1288         pos += scnprintf(buf + pos, bufsz - pos,
1289                          fmt_table, "agg scd_query_no_agg:",
1290                          le32_to_cpu(tx->agg.scd_query_no_agg),
1291                          accum_tx->agg.scd_query_no_agg,
1292                          delta_tx->agg.scd_query_no_agg,
1293                          max_tx->agg.scd_query_no_agg);
1294         pos += scnprintf(buf + pos, bufsz - pos,
1295                          fmt_table, "agg scd_query_agg:",
1296                          le32_to_cpu(tx->agg.scd_query_agg),
1297                          accum_tx->agg.scd_query_agg,
1298                          delta_tx->agg.scd_query_agg,
1299                          max_tx->agg.scd_query_agg);
1300         pos += scnprintf(buf + pos, bufsz - pos,
1301                          fmt_table, "agg scd_query_mismatch:",
1302                          le32_to_cpu(tx->agg.scd_query_mismatch),
1303                          accum_tx->agg.scd_query_mismatch,
1304                          delta_tx->agg.scd_query_mismatch,
1305                          max_tx->agg.scd_query_mismatch);
1306         pos += scnprintf(buf + pos, bufsz - pos,
1307                          fmt_table, "agg frame_not_ready:",
1308                          le32_to_cpu(tx->agg.frame_not_ready),
1309                          accum_tx->agg.frame_not_ready,
1310                          delta_tx->agg.frame_not_ready,
1311                          max_tx->agg.frame_not_ready);
1312         pos += scnprintf(buf + pos, bufsz - pos,
1313                          fmt_table, "agg underrun:",
1314                          le32_to_cpu(tx->agg.underrun),
1315                          accum_tx->agg.underrun,
1316                          delta_tx->agg.underrun, max_tx->agg.underrun);
1317         pos += scnprintf(buf + pos, bufsz - pos,
1318                          fmt_table, "agg bt_prio_kill:",
1319                          le32_to_cpu(tx->agg.bt_prio_kill),
1320                          accum_tx->agg.bt_prio_kill,
1321                          delta_tx->agg.bt_prio_kill,
1322                          max_tx->agg.bt_prio_kill);
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                          fmt_table, "agg rx_ba_rsp_cnt:",
1325                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1326                          accum_tx->agg.rx_ba_rsp_cnt,
1327                          delta_tx->agg.rx_ba_rsp_cnt,
1328                          max_tx->agg.rx_ba_rsp_cnt);
1329
1330         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1331                 pos += scnprintf(buf + pos, bufsz - pos,
1332                         "tx power: (1/2 dB step)\n");
1333                 if ((priv->eeprom_data->valid_tx_ant & ANT_A) &&
1334                     tx->tx_power.ant_a)
1335                         pos += scnprintf(buf + pos, bufsz - pos,
1336                                         fmt_hex, "antenna A:",
1337                                         tx->tx_power.ant_a);
1338                 if ((priv->eeprom_data->valid_tx_ant & ANT_B) &&
1339                     tx->tx_power.ant_b)
1340                         pos += scnprintf(buf + pos, bufsz - pos,
1341                                         fmt_hex, "antenna B:",
1342                                         tx->tx_power.ant_b);
1343                 if ((priv->eeprom_data->valid_tx_ant & ANT_C) &&
1344                     tx->tx_power.ant_c)
1345                         pos += scnprintf(buf + pos, bufsz - pos,
1346                                         fmt_hex, "antenna C:",
1347                                         tx->tx_power.ant_c);
1348         }
1349
1350         spin_unlock_bh(&priv->statistics.lock);
1351
1352         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1353         kfree(buf);
1354         return ret;
1355 }
1356
1357 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1358                                         char __user *user_buf,
1359                                         size_t count, loff_t *ppos)
1360 {
1361         struct iwl_priv *priv = file->private_data;
1362         int pos = 0;
1363         char *buf;
1364         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1365         ssize_t ret;
1366         struct statistics_general_common *general, *accum_general;
1367         struct statistics_general_common *delta_general, *max_general;
1368         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1369         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1370
1371         if (!iwl_is_alive(priv))
1372                 return -EAGAIN;
1373
1374         buf = kzalloc(bufsz, GFP_KERNEL);
1375         if (!buf)
1376                 return -ENOMEM;
1377
1378         /* the statistic information display here is based on
1379          * the last statistics notification from uCode
1380          * might not reflect the current uCode activity
1381          */
1382
1383         spin_lock_bh(&priv->statistics.lock);
1384
1385         general = &priv->statistics.common;
1386         dbg = &priv->statistics.common.dbg;
1387         div = &priv->statistics.common.div;
1388         accum_general = &priv->accum_stats.common;
1389         accum_dbg = &priv->accum_stats.common.dbg;
1390         accum_div = &priv->accum_stats.common.div;
1391         delta_general = &priv->delta_stats.common;
1392         max_general = &priv->max_delta_stats.common;
1393         delta_dbg = &priv->delta_stats.common.dbg;
1394         max_dbg = &priv->max_delta_stats.common.dbg;
1395         delta_div = &priv->delta_stats.common.div;
1396         max_div = &priv->max_delta_stats.common.div;
1397
1398         pos += iwl_statistics_flag(priv, buf, bufsz);
1399         pos += scnprintf(buf + pos, bufsz - pos,
1400                          fmt_header, "Statistics_General:");
1401         pos += scnprintf(buf + pos, bufsz - pos,
1402                          fmt_value, "temperature:",
1403                          le32_to_cpu(general->temperature));
1404         pos += scnprintf(buf + pos, bufsz - pos,
1405                          fmt_value, "temperature_m:",
1406                          le32_to_cpu(general->temperature_m));
1407         pos += scnprintf(buf + pos, bufsz - pos,
1408                          fmt_value, "ttl_timestamp:",
1409                          le32_to_cpu(general->ttl_timestamp));
1410         pos += scnprintf(buf + pos, bufsz - pos,
1411                          fmt_table, "burst_check:",
1412                          le32_to_cpu(dbg->burst_check),
1413                          accum_dbg->burst_check,
1414                          delta_dbg->burst_check, max_dbg->burst_check);
1415         pos += scnprintf(buf + pos, bufsz - pos,
1416                          fmt_table, "burst_count:",
1417                          le32_to_cpu(dbg->burst_count),
1418                          accum_dbg->burst_count,
1419                          delta_dbg->burst_count, max_dbg->burst_count);
1420         pos += scnprintf(buf + pos, bufsz - pos,
1421                          fmt_table, "wait_for_silence_timeout_count:",
1422                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1423                          accum_dbg->wait_for_silence_timeout_cnt,
1424                          delta_dbg->wait_for_silence_timeout_cnt,
1425                          max_dbg->wait_for_silence_timeout_cnt);
1426         pos += scnprintf(buf + pos, bufsz - pos,
1427                          fmt_table, "sleep_time:",
1428                          le32_to_cpu(general->sleep_time),
1429                          accum_general->sleep_time,
1430                          delta_general->sleep_time, max_general->sleep_time);
1431         pos += scnprintf(buf + pos, bufsz - pos,
1432                          fmt_table, "slots_out:",
1433                          le32_to_cpu(general->slots_out),
1434                          accum_general->slots_out,
1435                          delta_general->slots_out, max_general->slots_out);
1436         pos += scnprintf(buf + pos, bufsz - pos,
1437                          fmt_table, "slots_idle:",
1438                          le32_to_cpu(general->slots_idle),
1439                          accum_general->slots_idle,
1440                          delta_general->slots_idle, max_general->slots_idle);
1441         pos += scnprintf(buf + pos, bufsz - pos,
1442                          fmt_table, "tx_on_a:",
1443                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1444                          delta_div->tx_on_a, max_div->tx_on_a);
1445         pos += scnprintf(buf + pos, bufsz - pos,
1446                          fmt_table, "tx_on_b:",
1447                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1448                          delta_div->tx_on_b, max_div->tx_on_b);
1449         pos += scnprintf(buf + pos, bufsz - pos,
1450                          fmt_table, "exec_time:",
1451                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1452                          delta_div->exec_time, max_div->exec_time);
1453         pos += scnprintf(buf + pos, bufsz - pos,
1454                          fmt_table, "probe_time:",
1455                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1456                          delta_div->probe_time, max_div->probe_time);
1457         pos += scnprintf(buf + pos, bufsz - pos,
1458                          fmt_table, "rx_enable_counter:",
1459                          le32_to_cpu(general->rx_enable_counter),
1460                          accum_general->rx_enable_counter,
1461                          delta_general->rx_enable_counter,
1462                          max_general->rx_enable_counter);
1463         pos += scnprintf(buf + pos, bufsz - pos,
1464                          fmt_table, "num_of_sos_states:",
1465                          le32_to_cpu(general->num_of_sos_states),
1466                          accum_general->num_of_sos_states,
1467                          delta_general->num_of_sos_states,
1468                          max_general->num_of_sos_states);
1469
1470         spin_unlock_bh(&priv->statistics.lock);
1471
1472         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1473         kfree(buf);
1474         return ret;
1475 }
1476
1477 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1478                                         char __user *user_buf,
1479                                         size_t count, loff_t *ppos)
1480 {
1481         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1482         int pos = 0;
1483         char *buf;
1484         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1485         ssize_t ret;
1486         struct statistics_bt_activity *bt, *accum_bt;
1487
1488         if (!iwl_is_alive(priv))
1489                 return -EAGAIN;
1490
1491         if (!priv->bt_enable_flag)
1492                 return -EINVAL;
1493
1494         /* make request to uCode to retrieve statistics information */
1495         mutex_lock(&priv->mutex);
1496         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1497         mutex_unlock(&priv->mutex);
1498
1499         if (ret)
1500                 return -EAGAIN;
1501         buf = kzalloc(bufsz, GFP_KERNEL);
1502         if (!buf)
1503                 return -ENOMEM;
1504
1505         /*
1506          * the statistic information display here is based on
1507          * the last statistics notification from uCode
1508          * might not reflect the current uCode activity
1509          */
1510
1511         spin_lock_bh(&priv->statistics.lock);
1512
1513         bt = &priv->statistics.bt_activity;
1514         accum_bt = &priv->accum_stats.bt_activity;
1515
1516         pos += iwl_statistics_flag(priv, buf, bufsz);
1517         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1518         pos += scnprintf(buf + pos, bufsz - pos,
1519                         "\t\t\tcurrent\t\t\taccumulative\n");
1520         pos += scnprintf(buf + pos, bufsz - pos,
1521                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1522                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1523                          accum_bt->hi_priority_tx_req_cnt);
1524         pos += scnprintf(buf + pos, bufsz - pos,
1525                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1526                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1527                          accum_bt->hi_priority_tx_denied_cnt);
1528         pos += scnprintf(buf + pos, bufsz - pos,
1529                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1530                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1531                          accum_bt->lo_priority_tx_req_cnt);
1532         pos += scnprintf(buf + pos, bufsz - pos,
1533                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1534                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1535                          accum_bt->lo_priority_tx_denied_cnt);
1536         pos += scnprintf(buf + pos, bufsz - pos,
1537                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1538                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1539                          accum_bt->hi_priority_rx_req_cnt);
1540         pos += scnprintf(buf + pos, bufsz - pos,
1541                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1542                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1543                          accum_bt->hi_priority_rx_denied_cnt);
1544         pos += scnprintf(buf + pos, bufsz - pos,
1545                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1546                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1547                          accum_bt->lo_priority_rx_req_cnt);
1548         pos += scnprintf(buf + pos, bufsz - pos,
1549                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1550                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1551                          accum_bt->lo_priority_rx_denied_cnt);
1552
1553         pos += scnprintf(buf + pos, bufsz - pos,
1554                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1555                          le32_to_cpu(priv->statistics.num_bt_kills),
1556                          priv->statistics.accum_num_bt_kills);
1557
1558         spin_unlock_bh(&priv->statistics.lock);
1559
1560         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1561         kfree(buf);
1562         return ret;
1563 }
1564
1565 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1566                                         char __user *user_buf,
1567                                         size_t count, loff_t *ppos)
1568 {
1569         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1570         int pos = 0;
1571         char *buf;
1572         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1573                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1574         ssize_t ret;
1575
1576         if (!iwl_is_alive(priv))
1577                 return -EAGAIN;
1578
1579         buf = kzalloc(bufsz, GFP_KERNEL);
1580         if (!buf)
1581                 return -ENOMEM;
1582
1583         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1584         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1585                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1586                          priv->reply_tx_stats.pp_delay);
1587         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1588                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1589                          priv->reply_tx_stats.pp_few_bytes);
1590         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1591                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1592                          priv->reply_tx_stats.pp_bt_prio);
1593         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1594                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1595                          priv->reply_tx_stats.pp_quiet_period);
1596         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1597                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1598                          priv->reply_tx_stats.pp_calc_ttak);
1599         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1600                          iwl_get_tx_fail_reason(
1601                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1602                          priv->reply_tx_stats.int_crossed_retry);
1603         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1604                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1605                          priv->reply_tx_stats.short_limit);
1606         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1607                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1608                          priv->reply_tx_stats.long_limit);
1609         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1610                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1611                          priv->reply_tx_stats.fifo_underrun);
1612         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1613                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1614                          priv->reply_tx_stats.drain_flow);
1615         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1616                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1617                          priv->reply_tx_stats.rfkill_flush);
1618         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1619                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1620                          priv->reply_tx_stats.life_expire);
1621         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1622                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1623                          priv->reply_tx_stats.dest_ps);
1624         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1625                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1626                          priv->reply_tx_stats.host_abort);
1627         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1628                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1629                          priv->reply_tx_stats.pp_delay);
1630         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1631                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1632                          priv->reply_tx_stats.sta_invalid);
1633         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1634                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1635                          priv->reply_tx_stats.frag_drop);
1636         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1637                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1638                          priv->reply_tx_stats.tid_disable);
1639         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1640                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1641                          priv->reply_tx_stats.fifo_flush);
1642         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1643                          iwl_get_tx_fail_reason(
1644                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1645                          priv->reply_tx_stats.insuff_cf_poll);
1646         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1647                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1648                          priv->reply_tx_stats.fail_hw_drop);
1649         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1650                          iwl_get_tx_fail_reason(
1651                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1652                          priv->reply_tx_stats.sta_color_mismatch);
1653         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1654                          priv->reply_tx_stats.unknown);
1655
1656         pos += scnprintf(buf + pos, bufsz - pos,
1657                          "\nStatistics_Agg_TX_Error:\n");
1658
1659         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1660                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1661                          priv->reply_agg_tx_stats.underrun);
1662         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1663                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1664                          priv->reply_agg_tx_stats.bt_prio);
1665         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1666                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1667                          priv->reply_agg_tx_stats.few_bytes);
1668         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1669                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1670                          priv->reply_agg_tx_stats.abort);
1671         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1672                          iwl_get_agg_tx_fail_reason(
1673                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1674                          priv->reply_agg_tx_stats.last_sent_ttl);
1675         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1676                          iwl_get_agg_tx_fail_reason(
1677                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1678                          priv->reply_agg_tx_stats.last_sent_try);
1679         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1680                          iwl_get_agg_tx_fail_reason(
1681                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1682                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1683         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1684                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1685                          priv->reply_agg_tx_stats.scd_query);
1686         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1687                          iwl_get_agg_tx_fail_reason(
1688                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1689                          priv->reply_agg_tx_stats.bad_crc32);
1690         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1691                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1692                          priv->reply_agg_tx_stats.response);
1693         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1694                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1695                          priv->reply_agg_tx_stats.dump_tx);
1696         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1697                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1698                          priv->reply_agg_tx_stats.delay_tx);
1699         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1700                          priv->reply_agg_tx_stats.unknown);
1701
1702         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1703         kfree(buf);
1704         return ret;
1705 }
1706
1707 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1708                                         char __user *user_buf,
1709                                         size_t count, loff_t *ppos) {
1710
1711         struct iwl_priv *priv = file->private_data;
1712         int pos = 0;
1713         int cnt = 0;
1714         char *buf;
1715         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1716         ssize_t ret;
1717         struct iwl_sensitivity_data *data;
1718
1719         data = &priv->sensitivity_data;
1720         buf = kzalloc(bufsz, GFP_KERNEL);
1721         if (!buf)
1722                 return -ENOMEM;
1723
1724         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1725                         data->auto_corr_ofdm);
1726         pos += scnprintf(buf + pos, bufsz - pos,
1727                         "auto_corr_ofdm_mrc:\t\t %u\n",
1728                         data->auto_corr_ofdm_mrc);
1729         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1730                         data->auto_corr_ofdm_x1);
1731         pos += scnprintf(buf + pos, bufsz - pos,
1732                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1733                         data->auto_corr_ofdm_mrc_x1);
1734         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1735                         data->auto_corr_cck);
1736         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1737                         data->auto_corr_cck_mrc);
1738         pos += scnprintf(buf + pos, bufsz - pos,
1739                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1740                         data->last_bad_plcp_cnt_ofdm);
1741         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1742                         data->last_fa_cnt_ofdm);
1743         pos += scnprintf(buf + pos, bufsz - pos,
1744                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1745                         data->last_bad_plcp_cnt_cck);
1746         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1747                         data->last_fa_cnt_cck);
1748         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1749                         data->nrg_curr_state);
1750         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1751                         data->nrg_prev_state);
1752         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1753         for (cnt = 0; cnt < 10; cnt++) {
1754                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1755                                 data->nrg_value[cnt]);
1756         }
1757         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1758         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1759         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1760                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1761                                 data->nrg_silence_rssi[cnt]);
1762         }
1763         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1764         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1765                         data->nrg_silence_ref);
1766         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1767                         data->nrg_energy_idx);
1768         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1769                         data->nrg_silence_idx);
1770         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1771                         data->nrg_th_cck);
1772         pos += scnprintf(buf + pos, bufsz - pos,
1773                         "nrg_auto_corr_silence_diff:\t %u\n",
1774                         data->nrg_auto_corr_silence_diff);
1775         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1776                         data->num_in_cck_no_fa);
1777         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1778                         data->nrg_th_ofdm);
1779
1780         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1781         kfree(buf);
1782         return ret;
1783 }
1784
1785
1786 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1787                                         char __user *user_buf,
1788                                         size_t count, loff_t *ppos) {
1789
1790         struct iwl_priv *priv = file->private_data;
1791         int pos = 0;
1792         int cnt = 0;
1793         char *buf;
1794         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1795         ssize_t ret;
1796         struct iwl_chain_noise_data *data;
1797
1798         data = &priv->chain_noise_data;
1799         buf = kzalloc(bufsz, GFP_KERNEL);
1800         if (!buf)
1801                 return -ENOMEM;
1802
1803         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1804                         data->active_chains);
1805         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1806                         data->chain_noise_a);
1807         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1808                         data->chain_noise_b);
1809         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1810                         data->chain_noise_c);
1811         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1812                         data->chain_signal_a);
1813         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1814                         data->chain_signal_b);
1815         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1816                         data->chain_signal_c);
1817         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1818                         data->beacon_count);
1819
1820         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1821         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1822                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1823                                 data->disconn_array[cnt]);
1824         }
1825         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1826         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1827         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1828                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1829                                 data->delta_gain_code[cnt]);
1830         }
1831         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1832         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1833                         data->radio_write);
1834         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1835                         data->state);
1836
1837         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1838         kfree(buf);
1839         return ret;
1840 }
1841
1842 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1843                                                     char __user *user_buf,
1844                                                     size_t count, loff_t *ppos)
1845 {
1846         struct iwl_priv *priv = file->private_data;
1847         char buf[60];
1848         int pos = 0;
1849         const size_t bufsz = sizeof(buf);
1850         u32 pwrsave_status;
1851
1852         pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) &
1853                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1854
1855         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1856         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1857                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1858                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1859                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1860                 "error");
1861
1862         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1863 }
1864
1865 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1866                                          const char __user *user_buf,
1867                                          size_t count, loff_t *ppos)
1868 {
1869         struct iwl_priv *priv = file->private_data;
1870         char buf[8];
1871         int buf_size;
1872         int clear;
1873
1874         memset(buf, 0, sizeof(buf));
1875         buf_size = min(count, sizeof(buf) -  1);
1876         if (copy_from_user(buf, user_buf, buf_size))
1877                 return -EFAULT;
1878         if (sscanf(buf, "%d", &clear) != 1)
1879                 return -EFAULT;
1880
1881         /* make request to uCode to retrieve statistics information */
1882         mutex_lock(&priv->mutex);
1883         iwl_send_statistics_request(priv, CMD_SYNC, true);
1884         mutex_unlock(&priv->mutex);
1885
1886         return count;
1887 }
1888
1889 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1890                                         char __user *user_buf,
1891                                         size_t count, loff_t *ppos) {
1892
1893         struct iwl_priv *priv = file->private_data;
1894         int pos = 0;
1895         char buf[128];
1896         const size_t bufsz = sizeof(buf);
1897
1898         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1899                         priv->event_log.ucode_trace ? "On" : "Off");
1900         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1901                         priv->event_log.non_wraps_count);
1902         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1903                         priv->event_log.wraps_once_count);
1904         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1905                         priv->event_log.wraps_more_count);
1906
1907         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1908 }
1909
1910 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1911                                          const char __user *user_buf,
1912                                          size_t count, loff_t *ppos)
1913 {
1914         struct iwl_priv *priv = file->private_data;
1915         char buf[8];
1916         int buf_size;
1917         int trace;
1918
1919         memset(buf, 0, sizeof(buf));
1920         buf_size = min(count, sizeof(buf) -  1);
1921         if (copy_from_user(buf, user_buf, buf_size))
1922                 return -EFAULT;
1923         if (sscanf(buf, "%d", &trace) != 1)
1924                 return -EFAULT;
1925
1926         if (trace) {
1927                 priv->event_log.ucode_trace = true;
1928                 if (iwl_is_alive(priv)) {
1929                         /* start collecting data now */
1930                         mod_timer(&priv->ucode_trace, jiffies);
1931                 }
1932         } else {
1933                 priv->event_log.ucode_trace = false;
1934                 del_timer_sync(&priv->ucode_trace);
1935         }
1936
1937         return count;
1938 }
1939
1940 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1941                                          char __user *user_buf,
1942                                          size_t count, loff_t *ppos) {
1943
1944         struct iwl_priv *priv = file->private_data;
1945         int len = 0;
1946         char buf[20];
1947
1948         len = sprintf(buf, "0x%04X\n",
1949                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1950         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1951 }
1952
1953 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1954                                                 char __user *user_buf,
1955                                                 size_t count, loff_t *ppos) {
1956
1957         struct iwl_priv *priv = file->private_data;
1958         int len = 0;
1959         char buf[20];
1960
1961         len = sprintf(buf, "0x%04X\n",
1962                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1963         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1964 }
1965
1966 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1967                                         char __user *user_buf,
1968                                         size_t count, loff_t *ppos) {
1969
1970         struct iwl_priv *priv = file->private_data;
1971         int pos = 0;
1972         char buf[12];
1973         const size_t bufsz = sizeof(buf);
1974
1975         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1976                         priv->missed_beacon_threshold);
1977
1978         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1979 }
1980
1981 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1982                                          const char __user *user_buf,
1983                                          size_t count, loff_t *ppos)
1984 {
1985         struct iwl_priv *priv = file->private_data;
1986         char buf[8];
1987         int buf_size;
1988         int missed;
1989
1990         memset(buf, 0, sizeof(buf));
1991         buf_size = min(count, sizeof(buf) -  1);
1992         if (copy_from_user(buf, user_buf, buf_size))
1993                 return -EFAULT;
1994         if (sscanf(buf, "%d", &missed) != 1)
1995                 return -EINVAL;
1996
1997         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1998             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1999                 priv->missed_beacon_threshold =
2000                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2001         else
2002                 priv->missed_beacon_threshold = missed;
2003
2004         return count;
2005 }
2006
2007 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2008                                         char __user *user_buf,
2009                                         size_t count, loff_t *ppos) {
2010
2011         struct iwl_priv *priv = file->private_data;
2012         int pos = 0;
2013         char buf[12];
2014         const size_t bufsz = sizeof(buf);
2015
2016         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2017                         priv->plcp_delta_threshold);
2018
2019         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2020 }
2021
2022 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2023                                         const char __user *user_buf,
2024                                         size_t count, loff_t *ppos) {
2025
2026         struct iwl_priv *priv = file->private_data;
2027         char buf[8];
2028         int buf_size;
2029         int plcp;
2030
2031         memset(buf, 0, sizeof(buf));
2032         buf_size = min(count, sizeof(buf) -  1);
2033         if (copy_from_user(buf, user_buf, buf_size))
2034                 return -EFAULT;
2035         if (sscanf(buf, "%d", &plcp) != 1)
2036                 return -EINVAL;
2037         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2038                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2039                 priv->plcp_delta_threshold =
2040                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2041         else
2042                 priv->plcp_delta_threshold = plcp;
2043         return count;
2044 }
2045
2046 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2047                                        char __user *user_buf,
2048                                        size_t count, loff_t *ppos)
2049 {
2050         struct iwl_priv *priv = file->private_data;
2051         int pos = 0;
2052         char buf[300];
2053         const size_t bufsz = sizeof(buf);
2054         struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2055
2056         pos += scnprintf(buf + pos, bufsz - pos,
2057                         "RF reset statistics\n");
2058         pos += scnprintf(buf + pos, bufsz - pos,
2059                         "\tnumber of reset request: %d\n",
2060                         rf_reset->reset_request_count);
2061         pos += scnprintf(buf + pos, bufsz - pos,
2062                         "\tnumber of reset request success: %d\n",
2063                         rf_reset->reset_success_count);
2064         pos += scnprintf(buf + pos, bufsz - pos,
2065                         "\tnumber of reset request reject: %d\n",
2066                         rf_reset->reset_reject_count);
2067
2068         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2069 }
2070
2071 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2072                                         const char __user *user_buf,
2073                                         size_t count, loff_t *ppos) {
2074
2075         struct iwl_priv *priv = file->private_data;
2076         int ret;
2077
2078         ret = iwl_force_rf_reset(priv, true);
2079         return ret ? ret : count;
2080 }
2081
2082 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2083                                         const char __user *user_buf,
2084                                         size_t count, loff_t *ppos) {
2085
2086         struct iwl_priv *priv = file->private_data;
2087         char buf[8];
2088         int buf_size;
2089         int flush;
2090
2091         memset(buf, 0, sizeof(buf));
2092         buf_size = min(count, sizeof(buf) -  1);
2093         if (copy_from_user(buf, user_buf, buf_size))
2094                 return -EFAULT;
2095         if (sscanf(buf, "%d", &flush) != 1)
2096                 return -EINVAL;
2097
2098         if (iwl_is_rfkill(priv))
2099                 return -EFAULT;
2100
2101         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2102
2103         return count;
2104 }
2105
2106 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2107                                         char __user *user_buf,
2108                                         size_t count, loff_t *ppos) {
2109
2110         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2111         int pos = 0;
2112         char buf[200];
2113         const size_t bufsz = sizeof(buf);
2114
2115         if (!priv->bt_enable_flag) {
2116                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2117                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2118         }
2119         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2120                 priv->bt_enable_flag);
2121         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2122                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2123         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2124                          "last traffic notif: %d\n",
2125                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2126         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2127                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2128                 priv->bt_ch_announce, priv->kill_ack_mask,
2129                 priv->kill_cts_mask);
2130
2131         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2132         switch (priv->bt_traffic_load) {
2133         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2134                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2135                 break;
2136         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2137                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2138                 break;
2139         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2140                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2141                 break;
2142         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2143         default:
2144                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2145                 break;
2146         }
2147
2148         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2149 }
2150
2151 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2152                                         char __user *user_buf,
2153                                         size_t count, loff_t *ppos)
2154 {
2155         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2156
2157         int pos = 0;
2158         char buf[40];
2159         const size_t bufsz = sizeof(buf);
2160
2161         if (priv->cfg->ht_params)
2162                 pos += scnprintf(buf + pos, bufsz - pos,
2163                          "use %s for aggregation\n",
2164                          (priv->hw_params.use_rts_for_aggregation) ?
2165                                 "rts/cts" : "cts-to-self");
2166         else
2167                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2168
2169         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2170 }
2171
2172 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2173                                         const char __user *user_buf,
2174                                         size_t count, loff_t *ppos) {
2175
2176         struct iwl_priv *priv = file->private_data;
2177         char buf[8];
2178         int buf_size;
2179         int rts;
2180
2181         if (!priv->cfg->ht_params)
2182                 return -EINVAL;
2183
2184         memset(buf, 0, sizeof(buf));
2185         buf_size = min(count, sizeof(buf) -  1);
2186         if (copy_from_user(buf, user_buf, buf_size))
2187                 return -EFAULT;
2188         if (sscanf(buf, "%d", &rts) != 1)
2189                 return -EINVAL;
2190         if (rts)
2191                 priv->hw_params.use_rts_for_aggregation = true;
2192         else
2193                 priv->hw_params.use_rts_for_aggregation = false;
2194         return count;
2195 }
2196
2197 static int iwl_cmd_echo_test(struct iwl_priv *priv)
2198 {
2199         int ret;
2200         struct iwl_host_cmd cmd = {
2201                 .id = REPLY_ECHO,
2202                 .len = { 0 },
2203                 .flags = CMD_SYNC,
2204         };
2205
2206         ret = iwl_dvm_send_cmd(priv, &cmd);
2207         if (ret)
2208                 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
2209         else
2210                 IWL_DEBUG_INFO(priv, "echo testing pass\n");
2211         return ret;
2212 }
2213
2214 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2215                                         const char __user *user_buf,
2216                                         size_t count, loff_t *ppos)
2217 {
2218         struct iwl_priv *priv = file->private_data;
2219         char buf[8];
2220         int buf_size;
2221
2222         memset(buf, 0, sizeof(buf));
2223         buf_size = min(count, sizeof(buf) -  1);
2224         if (copy_from_user(buf, user_buf, buf_size))
2225                 return -EFAULT;
2226
2227         iwl_cmd_echo_test(priv);
2228         return count;
2229 }
2230
2231 #ifdef CONFIG_IWLWIFI_DEBUG
2232 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2233                                          char __user *user_buf,
2234                                          size_t count, loff_t *ppos)
2235 {
2236         struct iwl_priv *priv = file->private_data;
2237         char *buf;
2238         int pos = 0;
2239         ssize_t ret = -ENOMEM;
2240
2241         ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
2242         if (buf) {
2243                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2244                 kfree(buf);
2245         }
2246         return ret;
2247 }
2248
2249 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2250                                         const char __user *user_buf,
2251                                         size_t count, loff_t *ppos)
2252 {
2253         struct iwl_priv *priv = file->private_data;
2254         u32 event_log_flag;
2255         char buf[8];
2256         int buf_size;
2257
2258         memset(buf, 0, sizeof(buf));
2259         buf_size = min(count, sizeof(buf) -  1);
2260         if (copy_from_user(buf, user_buf, buf_size))
2261                 return -EFAULT;
2262         if (sscanf(buf, "%d", &event_log_flag) != 1)
2263                 return -EFAULT;
2264         if (event_log_flag == 1)
2265                 iwl_dump_nic_event_log(priv, true, NULL, false);
2266
2267         return count;
2268 }
2269 #endif
2270
2271 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2272                                          char __user *user_buf,
2273                                          size_t count, loff_t *ppos)
2274 {
2275         struct iwl_priv *priv = file->private_data;
2276         char buf[120];
2277         int pos = 0;
2278         const size_t bufsz = sizeof(buf);
2279
2280         pos += scnprintf(buf + pos, bufsz - pos,
2281                          "Sensitivity calibrations %s\n",
2282                          (priv->calib_disabled &
2283                                         IWL_SENSITIVITY_CALIB_DISABLED) ?
2284                          "DISABLED" : "ENABLED");
2285         pos += scnprintf(buf + pos, bufsz - pos,
2286                          "Chain noise calibrations %s\n",
2287                          (priv->calib_disabled &
2288                                         IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2289                          "DISABLED" : "ENABLED");
2290         pos += scnprintf(buf + pos, bufsz - pos,
2291                          "Tx power calibrations %s\n",
2292                          (priv->calib_disabled &
2293                                         IWL_TX_POWER_CALIB_DISABLED) ?
2294                          "DISABLED" : "ENABLED");
2295
2296         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2297 }
2298
2299 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
2300                                               const char __user *user_buf,
2301                                               size_t count, loff_t *ppos)
2302 {
2303         struct iwl_priv *priv = file->private_data;
2304         char buf[8];
2305         u32 calib_disabled;
2306         int buf_size;
2307
2308         memset(buf, 0, sizeof(buf));
2309         buf_size = min(count, sizeof(buf) - 1);
2310         if (copy_from_user(buf, user_buf, buf_size))
2311                 return -EFAULT;
2312         if (sscanf(buf, "%x", &calib_disabled) != 1)
2313                 return -EFAULT;
2314
2315         priv->calib_disabled = calib_disabled;
2316
2317         return count;
2318 }
2319
2320 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2321 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2322 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2323 DEBUGFS_READ_FILE_OPS(sensitivity);
2324 DEBUGFS_READ_FILE_OPS(chain_noise);
2325 DEBUGFS_READ_FILE_OPS(power_save_status);
2326 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2327 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2328 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2329 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2330 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2331 DEBUGFS_READ_FILE_OPS(rxon_flags);
2332 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2333 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2334 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2335 DEBUGFS_READ_FILE_OPS(bt_traffic);
2336 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2337 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2338 DEBUGFS_WRITE_FILE_OPS(echo_test);
2339 #ifdef CONFIG_IWLWIFI_DEBUG
2340 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2341 #endif
2342 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
2343
2344 /*
2345  * Create the debugfs files and directories
2346  *
2347  */
2348 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2349 {
2350         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2351         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2352
2353         dir_drv = debugfs_create_dir(name, phyd);
2354         if (!dir_drv)
2355                 return -ENOMEM;
2356
2357         priv->debugfs_dir = dir_drv;
2358
2359         dir_data = debugfs_create_dir("data", dir_drv);
2360         if (!dir_data)
2361                 goto err;
2362         dir_rf = debugfs_create_dir("rf", dir_drv);
2363         if (!dir_rf)
2364                 goto err;
2365         dir_debug = debugfs_create_dir("debug", dir_drv);
2366         if (!dir_debug)
2367                 goto err;
2368
2369         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2370         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2371         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2372         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2373         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2374         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2375         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2376         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2377         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2378         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2379         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2380         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2381         DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2382
2383         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2384         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2385         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2386         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2387         DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2388         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2389         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2390         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2391         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2392         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2393         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2394         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2395         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2396         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2397         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2398         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2399         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2400         DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2401 #ifdef CONFIG_IWLWIFI_DEBUG
2402         DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2403 #endif
2404
2405         if (iwl_advanced_bt_coexist(priv))
2406                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2407
2408         /* Calibrations disabled/enabled status*/
2409         DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
2410
2411         if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
2412                 goto err;
2413         return 0;
2414
2415 err:
2416         IWL_ERR(priv, "Can't create the debugfs directory\n");
2417         iwl_dbgfs_unregister(priv);
2418         return -ENOMEM;
2419 }
2420
2421 /**
2422  * Remove the debugfs files and directories
2423  *
2424  */
2425 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2426 {
2427         if (!priv->debugfs_dir)
2428                 return;
2429
2430         debugfs_remove_recursive(priv->debugfs_dir);
2431         priv->debugfs_dir = NULL;
2432 }