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

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19  * USA
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *****************************************************************************/
  28
  29 #include <linux/slab.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/debugfs.h>
  33
  34 #include <linux/ieee80211.h>
  35 #include <net/mac80211.h>
  36
  37
  38 #include "iwl-dev.h"
  39 #include "iwl-debug.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-agn.h"
  43
  44 /* create and remove of files */
  45 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  46         if (!debugfs_create_file(#name, mode, parent, priv,             \
  47                                  &iwl_dbgfs_##name##_ops))              \
  48                 goto err;                                               \
  49 } while (0)
  50
  51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  52         struct dentry *__tmp;                                           \
  53         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  54                                     parent, ptr);                       \
  55         if (IS_ERR(__tmp) || !__tmp)                                    \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  60         struct dentry *__tmp;                                           \
  61         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  62                                    parent, ptr);                        \
  63         if (IS_ERR(__tmp) || !__tmp)                                    \
  64                 goto err;                                               \
  65 } while (0)
  66
  67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {                   \
  68         struct dentry *__tmp;                                           \
  69         __tmp = debugfs_create_u32(#name, mode,                         \
  70                                    parent, ptr);                        \
  71         if (IS_ERR(__tmp) || !__tmp)                                    \
  72                 goto err;                                               \
  73 } while (0)
  74
  75 /* file operation */
  76 #define DEBUGFS_READ_FUNC(name)                                         \
  77 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  78                                         char __user *user_buf,          \
  79                                         size_t count, loff_t *ppos);
  80
  81 #define DEBUGFS_WRITE_FUNC(name)                                        \
  82 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  83                                         const char __user *user_buf,    \
  84                                         size_t count, loff_t *ppos);
  85
  86
  87 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  88 {
  89         file->private_data = inode->i_private;
  90         return 0;
  91 }
  92
  93 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  94         DEBUGFS_READ_FUNC(name);                                        \
  95 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  96         .read = iwl_dbgfs_##name##_read,                                \
  97         .open = iwl_dbgfs_open_file_generic,                            \
  98         .llseek = generic_file_llseek,                                  \
  99 };
 100
 101 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
 102         DEBUGFS_WRITE_FUNC(name);                                       \
 103 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 104         .write = iwl_dbgfs_##name##_write,                              \
 105         .open = iwl_dbgfs_open_file_generic,                            \
 106         .llseek = generic_file_llseek,                                  \
 107 };
 108
 109
 110 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 111         DEBUGFS_READ_FUNC(name);                                        \
 112         DEBUGFS_WRITE_FUNC(name);                                       \
 113 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 114         .write = iwl_dbgfs_##name##_write,                              \
 115         .read = iwl_dbgfs_##name##_read,                                \
 116         .open = iwl_dbgfs_open_file_generic,                            \
 117         .llseek = generic_file_llseek,                                  \
 118 };
 119
 120 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 121                                                 char __user *user_buf,
 122                                                 size_t count, loff_t *ppos) {
 123
 124         struct iwl_priv *priv = file->private_data;
 125         char *buf;
 126         int pos = 0;
 127
 128         int cnt;
 129         ssize_t ret;
 130         const size_t bufsz = 100 +
 131                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 132         buf = kzalloc(bufsz, GFP_KERNEL);
 133         if (!buf)
 134                 return -ENOMEM;
 135         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 136         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 137                 pos += scnprintf(buf + pos, bufsz - pos,
 138                                  "\t%25s\t\t: %u\n",
 139                                  get_mgmt_string(cnt),
 140                                  priv->tx_stats.mgmt[cnt]);
 141         }
 142         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 143         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 144                 pos += scnprintf(buf + pos, bufsz - pos,
 145                                  "\t%25s\t\t: %u\n",
 146                                  get_ctrl_string(cnt),
 147                                  priv->tx_stats.ctrl[cnt]);
 148         }
 149         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 150         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 151                          priv->tx_stats.data_cnt);
 152         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 153                          priv->tx_stats.data_bytes);
 154         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 155         kfree(buf);
 156         return ret;
 157 }
 158
 159 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 160                                         const char __user *user_buf,
 161                                         size_t count, loff_t *ppos)
 162 {
 163         struct iwl_priv *priv = file->private_data;
 164         u32 clear_flag;
 165         char buf[8];
 166         int buf_size;
 167
 168         memset(buf, 0, sizeof(buf));
 169         buf_size = min(count, sizeof(buf) -  1);
 170         if (copy_from_user(buf, user_buf, buf_size))
 171                 return -EFAULT;
 172         if (sscanf(buf, "%x", &clear_flag) != 1)
 173                 return -EFAULT;
 174         iwl_clear_traffic_stats(priv);
 175
 176         return count;
 177 }
 178
 179 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 180                                                 char __user *user_buf,
 181                                                 size_t count, loff_t *ppos) {
 182
 183         struct iwl_priv *priv = file->private_data;
 184         char *buf;
 185         int pos = 0;
 186         int cnt;
 187         ssize_t ret;
 188         const size_t bufsz = 100 +
 189                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 190         buf = kzalloc(bufsz, GFP_KERNEL);
 191         if (!buf)
 192                 return -ENOMEM;
 193
 194         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 195         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 196                 pos += scnprintf(buf + pos, bufsz - pos,
 197                                  "\t%25s\t\t: %u\n",
 198                                  get_mgmt_string(cnt),
 199                                  priv->rx_stats.mgmt[cnt]);
 200         }
 201         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 202         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 203                 pos += scnprintf(buf + pos, bufsz - pos,
 204                                  "\t%25s\t\t: %u\n",
 205                                  get_ctrl_string(cnt),
 206                                  priv->rx_stats.ctrl[cnt]);
 207         }
 208         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 209         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 210                          priv->rx_stats.data_cnt);
 211         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 212                          priv->rx_stats.data_bytes);
 213
 214         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 215         kfree(buf);
 216         return ret;
 217 }
 218
 219 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 220                                         char __user *user_buf,
 221                                         size_t count, loff_t *ppos)
 222 {
 223         u32 val = 0;
 224         char *buf;
 225         ssize_t ret;
 226         int i = 0;
 227         bool device_format = false;
 228         int offset = 0;
 229         int len = 0;
 230         int pos = 0;
 231         int sram;
 232         struct iwl_priv *priv = file->private_data;
 233         size_t bufsz;
 234
 235         /* default is to dump the entire data segment */
 236         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 237                 priv->dbgfs_sram_offset = 0x800000;
 238                 if (priv->ucode_type == IWL_UCODE_INIT)
 239                         priv->dbgfs_sram_len = priv->ucode_init.data.len;
 240                 else
 241                         priv->dbgfs_sram_len = priv->ucode_rt.data.len;
 242         }
 243         len = priv->dbgfs_sram_len;
 244
 245         if (len == -4) {
 246                 device_format = true;
 247                 len = 4;
 248         }
 249
 250         bufsz =  50 + len * 4;
 251         buf = kmalloc(bufsz, GFP_KERNEL);
 252         if (!buf)
 253                 return -ENOMEM;
 254
 255         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 256                          len);
 257         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 258                         priv->dbgfs_sram_offset);
 259
 260         /* adjust sram address since reads are only on even u32 boundaries */
 261         offset = priv->dbgfs_sram_offset & 0x3;
 262         sram = priv->dbgfs_sram_offset & ~0x3;
 263
 264         /* read the first u32 from sram */
 265         val = iwl_read_targ_mem(bus(priv), sram);
 266
 267         for (; len; len--) {
 268                 /* put the address at the start of every line */
 269                 if (i == 0)
 270                         pos += scnprintf(buf + pos, bufsz - pos,
 271                                 "%08X: ", sram + offset);
 272
 273                 if (device_format)
 274                         pos += scnprintf(buf + pos, bufsz - pos,
 275                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 276                 else
 277                         pos += scnprintf(buf + pos, bufsz - pos,
 278                                 "%02x ", (val >> (8 * offset)) & 0xff);
 279
 280                 /* if all bytes processed, read the next u32 from sram */
 281                 if (++offset == 4) {
 282                         sram += 4;
 283                         offset = 0;
 284                         val = iwl_read_targ_mem(bus(priv), sram);
 285                 }
 286
 287                 /* put in extra spaces and split lines for human readability */
 288                 if (++i == 16) {
 289                         i = 0;
 290                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 291                 } else if (!(i & 7)) {
 292                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 293                 } else if (!(i & 3)) {
 294                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 295                 }
 296         }
 297         if (i)
 298                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 299
 300         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 301         kfree(buf);
 302         return ret;
 303 }
 304
 305 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 306                                         const char __user *user_buf,
 307                                         size_t count, loff_t *ppos)
 308 {
 309         struct iwl_priv *priv = file->private_data;
 310         char buf[64];
 311         int buf_size;
 312         u32 offset, len;
 313
 314         memset(buf, 0, sizeof(buf));
 315         buf_size = min(count, sizeof(buf) -  1);
 316         if (copy_from_user(buf, user_buf, buf_size))
 317                 return -EFAULT;
 318
 319         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 320                 priv->dbgfs_sram_offset = offset;
 321                 priv->dbgfs_sram_len = len;
 322         } else if (sscanf(buf, "%x", &offset) == 1) {
 323                 priv->dbgfs_sram_offset = offset;
 324                 priv->dbgfs_sram_len = -4;
 325         } else {
 326                 priv->dbgfs_sram_offset = 0;
 327                 priv->dbgfs_sram_len = 0;
 328         }
 329
 330         return count;
 331 }
 332
 333 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 334                                           char __user *user_buf,
 335                                           size_t count, loff_t *ppos)
 336 {
 337         struct iwl_priv *priv = file->private_data;
 338
 339         if (!priv->wowlan_sram)
 340                 return -ENODATA;
 341
 342         return simple_read_from_buffer(user_buf, count, ppos,
 343                                        priv->wowlan_sram,
 344                                        priv->ucode_wowlan.data.len);
 345 }
 346 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 347                                         size_t count, loff_t *ppos)
 348 {
 349         struct iwl_priv *priv = file->private_data;
 350         struct iwl_station_entry *station;
 351         struct iwl_tid_data *tid_data;
 352         char *buf;
 353         int i, j, pos = 0;
 354         ssize_t ret;
 355         /* Add 30 for initial string */
 356         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 357
 358         buf = kmalloc(bufsz, GFP_KERNEL);
 359         if (!buf)
 360                 return -ENOMEM;
 361
 362         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 363                         priv->num_stations);
 364
 365         for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
 366                 station = &priv->stations[i];
 367                 if (!station->used)
 368                         continue;
 369                 pos += scnprintf(buf + pos, bufsz - pos,
 370                                  "station %d - addr: %pM, flags: %#x\n",
 371                                  i, station->sta.sta.addr,
 372                                  station->sta.station_flags_msk);
 373                 pos += scnprintf(buf + pos, bufsz - pos,
 374                                 "TID\tseq_num\ttxq_id\ttfds\trate_n_flags\n");
 375
 376                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 377                         tid_data = &priv->shrd->tid_data[i][j];
 378                         pos += scnprintf(buf + pos, bufsz - pos,
 379                                 "%d:\t%#x\t%#x\t%u\t%#x",
 380                                 j, tid_data->seq_number,
 381                                 tid_data->agg.txq_id,
 382                                 tid_data->tfds_in_queue,
 383                                 tid_data->agg.rate_n_flags);
 384
 385                         if (tid_data->agg.wait_for_ba)
 386                                 pos += scnprintf(buf + pos, bufsz - pos,
 387                                                  " - waitforba");
 388                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 389                 }
 390
 391                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 392         }
 393
 394         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 395         kfree(buf);
 396         return ret;
 397 }
 398
 399 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 400                                        char __user *user_buf,
 401                                        size_t count,
 402                                        loff_t *ppos)
 403 {
 404         ssize_t ret;
 405         struct iwl_priv *priv = file->private_data;
 406         int pos = 0, ofs = 0, buf_size = 0;
 407         const u8 *ptr;
 408         char *buf;
 409         u16 eeprom_ver;
 410         size_t eeprom_len = priv->cfg->base_params->eeprom_size;
 411         buf_size = 4 * eeprom_len + 256;
 412
 413         if (eeprom_len % 16) {
 414                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 415                 return -ENODATA;
 416         }
 417
 418         ptr = priv->eeprom;
 419         if (!ptr) {
 420                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 421                 return -ENOMEM;
 422         }
 423
 424         /* 4 characters for byte 0xYY */
 425         buf = kzalloc(buf_size, GFP_KERNEL);
 426         if (!buf) {
 427                 IWL_ERR(priv, "Can not allocate Buffer\n");
 428                 return -ENOMEM;
 429         }
 430         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 431         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 432                         "version: 0x%x\n",
 433                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 434                          ? "OTP" : "EEPROM", eeprom_ver);
 435         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 436                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 437                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 438                                    buf_size - pos, 0);
 439                 pos += strlen(buf + pos);
 440                 if (buf_size - pos > 0)
 441                         buf[pos++] = '\n';
 442         }
 443
 444         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 445         kfree(buf);
 446         return ret;
 447 }
 448
 449 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 450                                        size_t count, loff_t *ppos)
 451 {
 452         struct iwl_priv *priv = file->private_data;
 453         struct ieee80211_channel *channels = NULL;
 454         const struct ieee80211_supported_band *supp_band = NULL;
 455         int pos = 0, i, bufsz = PAGE_SIZE;
 456         char *buf;
 457         ssize_t ret;
 458
 459         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status))
 460                 return -EAGAIN;
 461
 462         buf = kzalloc(bufsz, GFP_KERNEL);
 463         if (!buf) {
 464                 IWL_ERR(priv, "Can not allocate Buffer\n");
 465                 return -ENOMEM;
 466         }
 467
 468         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 469         if (supp_band) {
 470                 channels = supp_band->channels;
 471
 472                 pos += scnprintf(buf + pos, bufsz - pos,
 473                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 474                                 supp_band->n_channels);
 475
 476                 for (i = 0; i < supp_band->n_channels; i++)
 477                         pos += scnprintf(buf + pos, bufsz - pos,
 478                                         "%d: %ddBm: BSS%s%s, %s.\n",
 479                                         channels[i].hw_value,
 480                                         channels[i].max_power,
 481                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 482                                         " (IEEE 802.11h required)" : "",
 483                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 484                                         || (channels[i].flags &
 485                                         IEEE80211_CHAN_RADAR)) ? "" :
 486                                         ", IBSS",
 487                                         channels[i].flags &
 488                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 489                                         "passive only" : "active/passive");
 490         }
 491         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 492         if (supp_band) {
 493                 channels = supp_band->channels;
 494
 495                 pos += scnprintf(buf + pos, bufsz - pos,
 496                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 497                                 supp_band->n_channels);
 498
 499                 for (i = 0; i < supp_band->n_channels; i++)
 500                         pos += scnprintf(buf + pos, bufsz - pos,
 501                                         "%d: %ddBm: BSS%s%s, %s.\n",
 502                                         channels[i].hw_value,
 503                                         channels[i].max_power,
 504                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 505                                         " (IEEE 802.11h required)" : "",
 506                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 507                                         || (channels[i].flags &
 508                                         IEEE80211_CHAN_RADAR)) ? "" :
 509                                         ", IBSS",
 510                                         channels[i].flags &
 511                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 512                                         "passive only" : "active/passive");
 513         }
 514         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 515         kfree(buf);
 516         return ret;
 517 }
 518
 519 static ssize_t iwl_dbgfs_status_read(struct file *file,
 520                                                 char __user *user_buf,
 521                                                 size_t count, loff_t *ppos) {
 522
 523         struct iwl_priv *priv = file->private_data;
 524         char buf[512];
 525         int pos = 0;
 526         const size_t bufsz = sizeof(buf);
 527
 528         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 529                 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
 530         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 531                 test_bit(STATUS_INT_ENABLED, &priv->shrd->status));
 532         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 533                 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
 534         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 535                 test_bit(STATUS_CT_KILL, &priv->shrd->status));
 536         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 537                 test_bit(STATUS_INIT, &priv->shrd->status));
 538         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 539                 test_bit(STATUS_ALIVE, &priv->shrd->status));
 540         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 541                 test_bit(STATUS_READY, &priv->shrd->status));
 542         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 543                 test_bit(STATUS_TEMPERATURE, &priv->shrd->status));
 544         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 545                 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status));
 546         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 547                 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status));
 548         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 549                 test_bit(STATUS_STATISTICS, &priv->shrd->status));
 550         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 551                 test_bit(STATUS_SCANNING, &priv->shrd->status));
 552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 553                 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status));
 554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 555                 test_bit(STATUS_SCAN_HW, &priv->shrd->status));
 556         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 557                 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
 558         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 559                 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
 560         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 561 }
 562
 563 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 564                                         char __user *user_buf,
 565                                         size_t count, loff_t *ppos) {
 566
 567         struct iwl_priv *priv = file->private_data;
 568
 569         int pos = 0;
 570         int cnt = 0;
 571         char *buf;
 572         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 573         ssize_t ret;
 574
 575         buf = kzalloc(bufsz, GFP_KERNEL);
 576         if (!buf) {
 577                 IWL_ERR(priv, "Can not allocate Buffer\n");
 578                 return -ENOMEM;
 579         }
 580
 581         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 582                 if (priv->rx_handlers_stats[cnt] > 0)
 583                         pos += scnprintf(buf + pos, bufsz - pos,
 584                                 "\tRx handler[%36s]:\t\t %u\n",
 585                                 get_cmd_string(cnt),
 586                                 priv->rx_handlers_stats[cnt]);
 587         }
 588
 589         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 590         kfree(buf);
 591         return ret;
 592 }
 593
 594 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 595                                          const char __user *user_buf,
 596                                          size_t count, loff_t *ppos)
 597 {
 598         struct iwl_priv *priv = file->private_data;
 599
 600         char buf[8];
 601         int buf_size;
 602         u32 reset_flag;
 603
 604         memset(buf, 0, sizeof(buf));
 605         buf_size = min(count, sizeof(buf) -  1);
 606         if (copy_from_user(buf, user_buf, buf_size))
 607                 return -EFAULT;
 608         if (sscanf(buf, "%x", &reset_flag) != 1)
 609                 return -EFAULT;
 610         if (reset_flag == 0)
 611                 memset(&priv->rx_handlers_stats[0], 0,
 612                         sizeof(priv->rx_handlers_stats));
 613
 614         return count;
 615 }
 616
 617 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 618                                        size_t count, loff_t *ppos)
 619 {
 620         struct iwl_priv *priv = file->private_data;
 621         struct iwl_rxon_context *ctx;
 622         int pos = 0, i;
 623         char buf[256 * NUM_IWL_RXON_CTX];
 624         const size_t bufsz = sizeof(buf);
 625
 626         for_each_context(priv, ctx) {
 627                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 628                                  ctx->ctxid);
 629                 for (i = 0; i < AC_NUM; i++) {
 630                         pos += scnprintf(buf + pos, bufsz - pos,
 631                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 632                         pos += scnprintf(buf + pos, bufsz - pos,
 633                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 634                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 635                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 636                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 637                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 638                 }
 639                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 640         }
 641         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 642 }
 643
 644 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 645                                 char __user *user_buf,
 646                                 size_t count, loff_t *ppos)
 647 {
 648         struct iwl_priv *priv = file->private_data;
 649         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 650         struct iwl_tt_restriction *restriction;
 651         char buf[100];
 652         int pos = 0;
 653         const size_t bufsz = sizeof(buf);
 654
 655         pos += scnprintf(buf + pos, bufsz - pos,
 656                         "Thermal Throttling Mode: %s\n",
 657                         tt->advanced_tt ? "Advance" : "Legacy");
 658         pos += scnprintf(buf + pos, bufsz - pos,
 659                         "Thermal Throttling State: %d\n",
 660                         tt->state);
 661         if (tt->advanced_tt) {
 662                 restriction = tt->restriction + tt->state;
 663                 pos += scnprintf(buf + pos, bufsz - pos,
 664                                 "Tx mode: %d\n",
 665                                 restriction->tx_stream);
 666                 pos += scnprintf(buf + pos, bufsz - pos,
 667                                 "Rx mode: %d\n",
 668                                 restriction->rx_stream);
 669                 pos += scnprintf(buf + pos, bufsz - pos,
 670                                 "HT mode: %d\n",
 671                                 restriction->is_ht);
 672         }
 673         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 674 }
 675
 676 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 677                                          const char __user *user_buf,
 678                                          size_t count, loff_t *ppos)
 679 {
 680         struct iwl_priv *priv = file->private_data;
 681         char buf[8];
 682         int buf_size;
 683         int ht40;
 684
 685         memset(buf, 0, sizeof(buf));
 686         buf_size = min(count, sizeof(buf) -  1);
 687         if (copy_from_user(buf, user_buf, buf_size))
 688                 return -EFAULT;
 689         if (sscanf(buf, "%d", &ht40) != 1)
 690                 return -EFAULT;
 691         if (!iwl_is_any_associated(priv))
 692                 priv->disable_ht40 = ht40 ? true : false;
 693         else {
 694                 IWL_ERR(priv, "Sta associated with AP - "
 695                         "Change to 40MHz channel support is not allowed\n");
 696                 return -EINVAL;
 697         }
 698
 699         return count;
 700 }
 701
 702 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 703                                          char __user *user_buf,
 704                                          size_t count, loff_t *ppos)
 705 {
 706         struct iwl_priv *priv = file->private_data;
 707         char buf[100];
 708         int pos = 0;
 709         const size_t bufsz = sizeof(buf);
 710
 711         pos += scnprintf(buf + pos, bufsz - pos,
 712                         "11n 40MHz Mode: %s\n",
 713                         priv->disable_ht40 ? "Disabled" : "Enabled");
 714         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 715 }
 716
 717 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
 718                                          char __user *user_buf,
 719                                          size_t count, loff_t *ppos)
 720 {
 721         struct iwl_priv *priv = file->private_data;
 722         char buf[8];
 723         int pos = 0;
 724         const size_t bufsz = sizeof(buf);
 725
 726         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
 727         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 728 }
 729
 730
 731 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 732                                                     const char __user *user_buf,
 733                                                     size_t count, loff_t *ppos)
 734 {
 735         struct iwl_priv *priv = file->private_data;
 736         char buf[8];
 737         int buf_size;
 738         int value;
 739
 740         memset(buf, 0, sizeof(buf));
 741         buf_size = min(count, sizeof(buf) -  1);
 742         if (copy_from_user(buf, user_buf, buf_size))
 743                 return -EFAULT;
 744
 745         if (sscanf(buf, "%d", &value) != 1)
 746                 return -EINVAL;
 747
 748         /*
 749          * Our users expect 0 to be "CAM", but 0 isn't actually
 750          * valid here. However, let's not confuse them and present
 751          * IWL_POWER_INDEX_1 as "1", not "0".
 752          */
 753         if (value == 0)
 754                 return -EINVAL;
 755         else if (value > 0)
 756                 value -= 1;
 757
 758         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 759                 return -EINVAL;
 760
 761         if (!iwl_is_ready_rf(priv->shrd))
 762                 return -EAGAIN;
 763
 764         priv->power_data.debug_sleep_level_override = value;
 765
 766         mutex_lock(&priv->shrd->mutex);
 767         iwl_power_update_mode(priv, true);
 768         mutex_unlock(&priv->shrd->mutex);
 769
 770         return count;
 771 }
 772
 773 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 774                                                    char __user *user_buf,
 775                                                    size_t count, loff_t *ppos)
 776 {
 777         struct iwl_priv *priv = file->private_data;
 778         char buf[10];
 779         int pos, value;
 780         const size_t bufsz = sizeof(buf);
 781
 782         /* see the write function */
 783         value = priv->power_data.debug_sleep_level_override;
 784         if (value >= 0)
 785                 value += 1;
 786
 787         pos = scnprintf(buf, bufsz, "%d\n", value);
 788         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 789 }
 790
 791 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 792                                                     char __user *user_buf,
 793                                                     size_t count, loff_t *ppos)
 794 {
 795         struct iwl_priv *priv = file->private_data;
 796         char buf[200];
 797         int pos = 0, i;
 798         const size_t bufsz = sizeof(buf);
 799         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 800
 801         pos += scnprintf(buf + pos, bufsz - pos,
 802                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 803         pos += scnprintf(buf + pos, bufsz - pos,
 804                          "RX/TX timeout: %d/%d usec\n",
 805                          le32_to_cpu(cmd->rx_data_timeout),
 806                          le32_to_cpu(cmd->tx_data_timeout));
 807         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 808                 pos += scnprintf(buf + pos, bufsz - pos,
 809                                  "sleep_interval[%d]: %d\n", i,
 810                                  le32_to_cpu(cmd->sleep_interval[i]));
 811
 812         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 813 }
 814
 815 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 816 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 817 DEBUGFS_READ_FILE_OPS(nvm);
 818 DEBUGFS_READ_FILE_OPS(stations);
 819 DEBUGFS_READ_FILE_OPS(channels);
 820 DEBUGFS_READ_FILE_OPS(status);
 821 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 822 DEBUGFS_READ_FILE_OPS(qos);
 823 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 824 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 825 DEBUGFS_READ_FILE_OPS(temperature);
 826 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 827 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 828
 829 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 830                                          char __user *user_buf,
 831                                          size_t count, loff_t *ppos)
 832 {
 833         struct iwl_priv *priv = file->private_data;
 834         int pos = 0, ofs = 0;
 835         int cnt = 0, entry;
 836
 837         char *buf;
 838         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 839                 (hw_params(priv).max_txq_num * 32 * 8) + 400;
 840         const u8 *ptr;
 841         ssize_t ret;
 842
 843         buf = kzalloc(bufsz, GFP_KERNEL);
 844         if (!buf) {
 845                 IWL_ERR(priv, "Can not allocate buffer\n");
 846                 return -ENOMEM;
 847         }
 848         if (priv->tx_traffic &&
 849                 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
 850                 ptr = priv->tx_traffic;
 851                 pos += scnprintf(buf + pos, bufsz - pos,
 852                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 853                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 854                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 855                              entry++,  ofs += 16) {
 856                                 pos += scnprintf(buf + pos, bufsz - pos,
 857                                                 "0x%.4x ", ofs);
 858                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 859                                                    buf + pos, bufsz - pos, 0);
 860                                 pos += strlen(buf + pos);
 861                                 if (bufsz - pos > 0)
 862                                         buf[pos++] = '\n';
 863                         }
 864                 }
 865         }
 866
 867         if (priv->rx_traffic &&
 868                 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
 869                 ptr = priv->rx_traffic;
 870                 pos += scnprintf(buf + pos, bufsz - pos,
 871                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 872                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 873                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 874                              entry++,  ofs += 16) {
 875                                 pos += scnprintf(buf + pos, bufsz - pos,
 876                                                 "0x%.4x ", ofs);
 877                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 878                                                    buf + pos, bufsz - pos, 0);
 879                                 pos += strlen(buf + pos);
 880                                 if (bufsz - pos > 0)
 881                                         buf[pos++] = '\n';
 882                         }
 883                 }
 884         }
 885
 886         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 887         kfree(buf);
 888         return ret;
 889 }
 890
 891 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 892                                          const char __user *user_buf,
 893                                          size_t count, loff_t *ppos)
 894 {
 895         struct iwl_priv *priv = file->private_data;
 896         char buf[8];
 897         int buf_size;
 898         int traffic_log;
 899
 900         memset(buf, 0, sizeof(buf));
 901         buf_size = min(count, sizeof(buf) -  1);
 902         if (copy_from_user(buf, user_buf, buf_size))
 903                 return -EFAULT;
 904         if (sscanf(buf, "%d", &traffic_log) != 1)
 905                 return -EFAULT;
 906         if (traffic_log == 0)
 907                 iwl_reset_traffic_log(priv);
 908
 909         return count;
 910 }
 911
 912 static const char *fmt_value = "  %-30s %10u\n";
 913 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 914 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 915 static const char *fmt_header =
 916         "%-32s    current  cumulative       delta         max\n";
 917
 918 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 919 {
 920         int p = 0;
 921         u32 flag;
 922
 923         flag = le32_to_cpu(priv->statistics.flag);
 924
 925         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 926         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 927                 p += scnprintf(buf + p, bufsz - p,
 928                 "\tStatistics have been cleared\n");
 929         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 930                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 931                 ? "2.4 GHz" : "5.2 GHz");
 932         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 933                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 934                  ? "enabled" : "disabled");
 935
 936         return p;
 937 }
 938
 939 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 940                                         char __user *user_buf,
 941                                         size_t count, loff_t *ppos)
 942 {
 943         struct iwl_priv *priv = file->private_data;
 944         int pos = 0;
 945         char *buf;
 946         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 947                     sizeof(struct statistics_rx_non_phy) * 40 +
 948                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 949         ssize_t ret;
 950         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 951         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 952         struct statistics_rx_non_phy *general, *accum_general;
 953         struct statistics_rx_non_phy *delta_general, *max_general;
 954         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 955
 956         if (!iwl_is_alive(priv->shrd))
 957                 return -EAGAIN;
 958
 959         buf = kzalloc(bufsz, GFP_KERNEL);
 960         if (!buf) {
 961                 IWL_ERR(priv, "Can not allocate Buffer\n");
 962                 return -ENOMEM;
 963         }
 964
 965         /*
 966          * the statistic information display here is based on
 967          * the last statistics notification from uCode
 968          * might not reflect the current uCode activity
 969          */
 970         ofdm = &priv->statistics.rx_ofdm;
 971         cck = &priv->statistics.rx_cck;
 972         general = &priv->statistics.rx_non_phy;
 973         ht = &priv->statistics.rx_ofdm_ht;
 974         accum_ofdm = &priv->accum_stats.rx_ofdm;
 975         accum_cck = &priv->accum_stats.rx_cck;
 976         accum_general = &priv->accum_stats.rx_non_phy;
 977         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 978         delta_ofdm = &priv->delta_stats.rx_ofdm;
 979         delta_cck = &priv->delta_stats.rx_cck;
 980         delta_general = &priv->delta_stats.rx_non_phy;
 981         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 982         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 983         max_cck = &priv->max_delta_stats.rx_cck;
 984         max_general = &priv->max_delta_stats.rx_non_phy;
 985         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 986
 987         pos += iwl_statistics_flag(priv, buf, bufsz);
 988         pos += scnprintf(buf + pos, bufsz - pos,
 989                          fmt_header, "Statistics_Rx - OFDM:");
 990         pos += scnprintf(buf + pos, bufsz - pos,
 991                          fmt_table, "ina_cnt:",
 992                          le32_to_cpu(ofdm->ina_cnt),
 993                          accum_ofdm->ina_cnt,
 994                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 995         pos += scnprintf(buf + pos, bufsz - pos,
 996                          fmt_table, "fina_cnt:",
 997                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 998                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 999         pos += scnprintf(buf + pos, bufsz - pos,
1000                          fmt_table, "plcp_err:",
1001                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1002                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
1003         pos += scnprintf(buf + pos, bufsz - pos,
1004                          fmt_table, "crc32_err:",
1005                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1006                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
1007         pos += scnprintf(buf + pos, bufsz - pos,
1008                          fmt_table, "overrun_err:",
1009                          le32_to_cpu(ofdm->overrun_err),
1010                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1011                          max_ofdm->overrun_err);
1012         pos += scnprintf(buf + pos, bufsz - pos,
1013                          fmt_table, "early_overrun_err:",
1014                          le32_to_cpu(ofdm->early_overrun_err),
1015                          accum_ofdm->early_overrun_err,
1016                          delta_ofdm->early_overrun_err,
1017                          max_ofdm->early_overrun_err);
1018         pos += scnprintf(buf + pos, bufsz - pos,
1019                          fmt_table, "crc32_good:",
1020                          le32_to_cpu(ofdm->crc32_good),
1021                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1022                          max_ofdm->crc32_good);
1023         pos += scnprintf(buf + pos, bufsz - pos,
1024                          fmt_table, "false_alarm_cnt:",
1025                          le32_to_cpu(ofdm->false_alarm_cnt),
1026                          accum_ofdm->false_alarm_cnt,
1027                          delta_ofdm->false_alarm_cnt,
1028                          max_ofdm->false_alarm_cnt);
1029         pos += scnprintf(buf + pos, bufsz - pos,
1030                          fmt_table, "fina_sync_err_cnt:",
1031                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1032                          accum_ofdm->fina_sync_err_cnt,
1033                          delta_ofdm->fina_sync_err_cnt,
1034                          max_ofdm->fina_sync_err_cnt);
1035         pos += scnprintf(buf + pos, bufsz - pos,
1036                          fmt_table, "sfd_timeout:",
1037                          le32_to_cpu(ofdm->sfd_timeout),
1038                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1039                          max_ofdm->sfd_timeout);
1040         pos += scnprintf(buf + pos, bufsz - pos,
1041                          fmt_table, "fina_timeout:",
1042                          le32_to_cpu(ofdm->fina_timeout),
1043                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1044                          max_ofdm->fina_timeout);
1045         pos += scnprintf(buf + pos, bufsz - pos,
1046                          fmt_table, "unresponded_rts:",
1047                          le32_to_cpu(ofdm->unresponded_rts),
1048                          accum_ofdm->unresponded_rts,
1049                          delta_ofdm->unresponded_rts,
1050                          max_ofdm->unresponded_rts);
1051         pos += scnprintf(buf + pos, bufsz - pos,
1052                          fmt_table, "rxe_frame_lmt_ovrun:",
1053                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1054                          accum_ofdm->rxe_frame_limit_overrun,
1055                          delta_ofdm->rxe_frame_limit_overrun,
1056                          max_ofdm->rxe_frame_limit_overrun);
1057         pos += scnprintf(buf + pos, bufsz - pos,
1058                          fmt_table, "sent_ack_cnt:",
1059                          le32_to_cpu(ofdm->sent_ack_cnt),
1060                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1061                          max_ofdm->sent_ack_cnt);
1062         pos += scnprintf(buf + pos, bufsz - pos,
1063                          fmt_table, "sent_cts_cnt:",
1064                          le32_to_cpu(ofdm->sent_cts_cnt),
1065                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1066                          max_ofdm->sent_cts_cnt);
1067         pos += scnprintf(buf + pos, bufsz - pos,
1068                          fmt_table, "sent_ba_rsp_cnt:",
1069                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1070                          accum_ofdm->sent_ba_rsp_cnt,
1071                          delta_ofdm->sent_ba_rsp_cnt,
1072                          max_ofdm->sent_ba_rsp_cnt);
1073         pos += scnprintf(buf + pos, bufsz - pos,
1074                          fmt_table, "dsp_self_kill:",
1075                          le32_to_cpu(ofdm->dsp_self_kill),
1076                          accum_ofdm->dsp_self_kill,
1077                          delta_ofdm->dsp_self_kill,
1078                          max_ofdm->dsp_self_kill);
1079         pos += scnprintf(buf + pos, bufsz - pos,
1080                          fmt_table, "mh_format_err:",
1081                          le32_to_cpu(ofdm->mh_format_err),
1082                          accum_ofdm->mh_format_err,
1083                          delta_ofdm->mh_format_err,
1084                          max_ofdm->mh_format_err);
1085         pos += scnprintf(buf + pos, bufsz - pos,
1086                          fmt_table, "re_acq_main_rssi_sum:",
1087                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1088                          accum_ofdm->re_acq_main_rssi_sum,
1089                          delta_ofdm->re_acq_main_rssi_sum,
1090                          max_ofdm->re_acq_main_rssi_sum);
1091
1092         pos += scnprintf(buf + pos, bufsz - pos,
1093                          fmt_header, "Statistics_Rx - CCK:");
1094         pos += scnprintf(buf + pos, bufsz - pos,
1095                          fmt_table, "ina_cnt:",
1096                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1097                          delta_cck->ina_cnt, max_cck->ina_cnt);
1098         pos += scnprintf(buf + pos, bufsz - pos,
1099                          fmt_table, "fina_cnt:",
1100                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1101                          delta_cck->fina_cnt, max_cck->fina_cnt);
1102         pos += scnprintf(buf + pos, bufsz - pos,
1103                          fmt_table, "plcp_err:",
1104                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1105                          delta_cck->plcp_err, max_cck->plcp_err);
1106         pos += scnprintf(buf + pos, bufsz - pos,
1107                          fmt_table, "crc32_err:",
1108                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1109                          delta_cck->crc32_err, max_cck->crc32_err);
1110         pos += scnprintf(buf + pos, bufsz - pos,
1111                          fmt_table, "overrun_err:",
1112                          le32_to_cpu(cck->overrun_err),
1113                          accum_cck->overrun_err, delta_cck->overrun_err,
1114                          max_cck->overrun_err);
1115         pos += scnprintf(buf + pos, bufsz - pos,
1116                          fmt_table, "early_overrun_err:",
1117                          le32_to_cpu(cck->early_overrun_err),
1118                          accum_cck->early_overrun_err,
1119                          delta_cck->early_overrun_err,
1120                          max_cck->early_overrun_err);
1121         pos += scnprintf(buf + pos, bufsz - pos,
1122                          fmt_table, "crc32_good:",
1123                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1124                          delta_cck->crc32_good, max_cck->crc32_good);
1125         pos += scnprintf(buf + pos, bufsz - pos,
1126                          fmt_table, "false_alarm_cnt:",
1127                          le32_to_cpu(cck->false_alarm_cnt),
1128                          accum_cck->false_alarm_cnt,
1129                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1130         pos += scnprintf(buf + pos, bufsz - pos,
1131                          fmt_table, "fina_sync_err_cnt:",
1132                          le32_to_cpu(cck->fina_sync_err_cnt),
1133                          accum_cck->fina_sync_err_cnt,
1134                          delta_cck->fina_sync_err_cnt,
1135                          max_cck->fina_sync_err_cnt);
1136         pos += scnprintf(buf + pos, bufsz - pos,
1137                          fmt_table, "sfd_timeout:",
1138                          le32_to_cpu(cck->sfd_timeout),
1139                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1140                          max_cck->sfd_timeout);
1141         pos += scnprintf(buf + pos, bufsz - pos,
1142                          fmt_table, "fina_timeout:",
1143                          le32_to_cpu(cck->fina_timeout),
1144                          accum_cck->fina_timeout, delta_cck->fina_timeout,
1145                          max_cck->fina_timeout);
1146         pos += scnprintf(buf + pos, bufsz - pos,
1147                          fmt_table, "unresponded_rts:",
1148                          le32_to_cpu(cck->unresponded_rts),
1149                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1150                          max_cck->unresponded_rts);
1151         pos += scnprintf(buf + pos, bufsz - pos,
1152                          fmt_table, "rxe_frame_lmt_ovrun:",
1153                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1154                          accum_cck->rxe_frame_limit_overrun,
1155                          delta_cck->rxe_frame_limit_overrun,
1156                          max_cck->rxe_frame_limit_overrun);
1157         pos += scnprintf(buf + pos, bufsz - pos,
1158                          fmt_table, "sent_ack_cnt:",
1159                          le32_to_cpu(cck->sent_ack_cnt),
1160                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1161                          max_cck->sent_ack_cnt);
1162         pos += scnprintf(buf + pos, bufsz - pos,
1163                          fmt_table, "sent_cts_cnt:",
1164                          le32_to_cpu(cck->sent_cts_cnt),
1165                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1166                          max_cck->sent_cts_cnt);
1167         pos += scnprintf(buf + pos, bufsz - pos,
1168                          fmt_table, "sent_ba_rsp_cnt:",
1169                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1170                          accum_cck->sent_ba_rsp_cnt,
1171                          delta_cck->sent_ba_rsp_cnt,
1172                          max_cck->sent_ba_rsp_cnt);
1173         pos += scnprintf(buf + pos, bufsz - pos,
1174                          fmt_table, "dsp_self_kill:",
1175                          le32_to_cpu(cck->dsp_self_kill),
1176                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1177                          max_cck->dsp_self_kill);
1178         pos += scnprintf(buf + pos, bufsz - pos,
1179                          fmt_table, "mh_format_err:",
1180                          le32_to_cpu(cck->mh_format_err),
1181                          accum_cck->mh_format_err, delta_cck->mh_format_err,
1182                          max_cck->mh_format_err);
1183         pos += scnprintf(buf + pos, bufsz - pos,
1184                          fmt_table, "re_acq_main_rssi_sum:",
1185                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1186                          accum_cck->re_acq_main_rssi_sum,
1187                          delta_cck->re_acq_main_rssi_sum,
1188                          max_cck->re_acq_main_rssi_sum);
1189
1190         pos += scnprintf(buf + pos, bufsz - pos,
1191                          fmt_header, "Statistics_Rx - GENERAL:");
1192         pos += scnprintf(buf + pos, bufsz - pos,
1193                          fmt_table, "bogus_cts:",
1194                          le32_to_cpu(general->bogus_cts),
1195                          accum_general->bogus_cts, delta_general->bogus_cts,
1196                          max_general->bogus_cts);
1197         pos += scnprintf(buf + pos, bufsz - pos,
1198                          fmt_table, "bogus_ack:",
1199                          le32_to_cpu(general->bogus_ack),
1200                          accum_general->bogus_ack, delta_general->bogus_ack,
1201                          max_general->bogus_ack);
1202         pos += scnprintf(buf + pos, bufsz - pos,
1203                          fmt_table, "non_bssid_frames:",
1204                          le32_to_cpu(general->non_bssid_frames),
1205                          accum_general->non_bssid_frames,
1206                          delta_general->non_bssid_frames,
1207                          max_general->non_bssid_frames);
1208         pos += scnprintf(buf + pos, bufsz - pos,
1209                          fmt_table, "filtered_frames:",
1210                          le32_to_cpu(general->filtered_frames),
1211                          accum_general->filtered_frames,
1212                          delta_general->filtered_frames,
1213                          max_general->filtered_frames);
1214         pos += scnprintf(buf + pos, bufsz - pos,
1215                          fmt_table, "non_channel_beacons:",
1216                          le32_to_cpu(general->non_channel_beacons),
1217                          accum_general->non_channel_beacons,
1218                          delta_general->non_channel_beacons,
1219                          max_general->non_channel_beacons);
1220         pos += scnprintf(buf + pos, bufsz - pos,
1221                          fmt_table, "channel_beacons:",
1222                          le32_to_cpu(general->channel_beacons),
1223                          accum_general->channel_beacons,
1224                          delta_general->channel_beacons,
1225                          max_general->channel_beacons);
1226         pos += scnprintf(buf + pos, bufsz - pos,
1227                          fmt_table, "num_missed_bcon:",
1228                          le32_to_cpu(general->num_missed_bcon),
1229                          accum_general->num_missed_bcon,
1230                          delta_general->num_missed_bcon,
1231                          max_general->num_missed_bcon);
1232         pos += scnprintf(buf + pos, bufsz - pos,
1233                          fmt_table, "adc_rx_saturation_time:",
1234                          le32_to_cpu(general->adc_rx_saturation_time),
1235                          accum_general->adc_rx_saturation_time,
1236                          delta_general->adc_rx_saturation_time,
1237                          max_general->adc_rx_saturation_time);
1238         pos += scnprintf(buf + pos, bufsz - pos,
1239                          fmt_table, "ina_detect_search_tm:",
1240                          le32_to_cpu(general->ina_detection_search_time),
1241                          accum_general->ina_detection_search_time,
1242                          delta_general->ina_detection_search_time,
1243                          max_general->ina_detection_search_time);
1244         pos += scnprintf(buf + pos, bufsz - pos,
1245                          fmt_table, "beacon_silence_rssi_a:",
1246                          le32_to_cpu(general->beacon_silence_rssi_a),
1247                          accum_general->beacon_silence_rssi_a,
1248                          delta_general->beacon_silence_rssi_a,
1249                          max_general->beacon_silence_rssi_a);
1250         pos += scnprintf(buf + pos, bufsz - pos,
1251                          fmt_table, "beacon_silence_rssi_b:",
1252                          le32_to_cpu(general->beacon_silence_rssi_b),
1253                          accum_general->beacon_silence_rssi_b,
1254                          delta_general->beacon_silence_rssi_b,
1255                          max_general->beacon_silence_rssi_b);
1256         pos += scnprintf(buf + pos, bufsz - pos,
1257                          fmt_table, "beacon_silence_rssi_c:",
1258                          le32_to_cpu(general->beacon_silence_rssi_c),
1259                          accum_general->beacon_silence_rssi_c,
1260                          delta_general->beacon_silence_rssi_c,
1261                          max_general->beacon_silence_rssi_c);
1262         pos += scnprintf(buf + pos, bufsz - pos,
1263                          fmt_table, "interference_data_flag:",
1264                          le32_to_cpu(general->interference_data_flag),
1265                          accum_general->interference_data_flag,
1266                          delta_general->interference_data_flag,
1267                          max_general->interference_data_flag);
1268         pos += scnprintf(buf + pos, bufsz - pos,
1269                          fmt_table, "channel_load:",
1270                          le32_to_cpu(general->channel_load),
1271                          accum_general->channel_load,
1272                          delta_general->channel_load,
1273                          max_general->channel_load);
1274         pos += scnprintf(buf + pos, bufsz - pos,
1275                          fmt_table, "dsp_false_alarms:",
1276                          le32_to_cpu(general->dsp_false_alarms),
1277                          accum_general->dsp_false_alarms,
1278                          delta_general->dsp_false_alarms,
1279                          max_general->dsp_false_alarms);
1280         pos += scnprintf(buf + pos, bufsz - pos,
1281                          fmt_table, "beacon_rssi_a:",
1282                          le32_to_cpu(general->beacon_rssi_a),
1283                          accum_general->beacon_rssi_a,
1284                          delta_general->beacon_rssi_a,
1285                          max_general->beacon_rssi_a);
1286         pos += scnprintf(buf + pos, bufsz - pos,
1287                          fmt_table, "beacon_rssi_b:",
1288                          le32_to_cpu(general->beacon_rssi_b),
1289                          accum_general->beacon_rssi_b,
1290                          delta_general->beacon_rssi_b,
1291                          max_general->beacon_rssi_b);
1292         pos += scnprintf(buf + pos, bufsz - pos,
1293                          fmt_table, "beacon_rssi_c:",
1294                          le32_to_cpu(general->beacon_rssi_c),
1295                          accum_general->beacon_rssi_c,
1296                          delta_general->beacon_rssi_c,
1297                          max_general->beacon_rssi_c);
1298         pos += scnprintf(buf + pos, bufsz - pos,
1299                          fmt_table, "beacon_energy_a:",
1300                          le32_to_cpu(general->beacon_energy_a),
1301                          accum_general->beacon_energy_a,
1302                          delta_general->beacon_energy_a,
1303                          max_general->beacon_energy_a);
1304         pos += scnprintf(buf + pos, bufsz - pos,
1305                          fmt_table, "beacon_energy_b:",
1306                          le32_to_cpu(general->beacon_energy_b),
1307                          accum_general->beacon_energy_b,
1308                          delta_general->beacon_energy_b,
1309                          max_general->beacon_energy_b);
1310         pos += scnprintf(buf + pos, bufsz - pos,
1311                          fmt_table, "beacon_energy_c:",
1312                          le32_to_cpu(general->beacon_energy_c),
1313                          accum_general->beacon_energy_c,
1314                          delta_general->beacon_energy_c,
1315                          max_general->beacon_energy_c);
1316
1317         pos += scnprintf(buf + pos, bufsz - pos,
1318                          fmt_header, "Statistics_Rx - OFDM_HT:");
1319         pos += scnprintf(buf + pos, bufsz - pos,
1320                          fmt_table, "plcp_err:",
1321                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1322                          delta_ht->plcp_err, max_ht->plcp_err);
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                          fmt_table, "overrun_err:",
1325                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1326                          delta_ht->overrun_err, max_ht->overrun_err);
1327         pos += scnprintf(buf + pos, bufsz - pos,
1328                          fmt_table, "early_overrun_err:",
1329                          le32_to_cpu(ht->early_overrun_err),
1330                          accum_ht->early_overrun_err,
1331                          delta_ht->early_overrun_err,
1332                          max_ht->early_overrun_err);
1333         pos += scnprintf(buf + pos, bufsz - pos,
1334                          fmt_table, "crc32_good:",
1335                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1336                          delta_ht->crc32_good, max_ht->crc32_good);
1337         pos += scnprintf(buf + pos, bufsz - pos,
1338                          fmt_table, "crc32_err:",
1339                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1340                          delta_ht->crc32_err, max_ht->crc32_err);
1341         pos += scnprintf(buf + pos, bufsz - pos,
1342                          fmt_table, "mh_format_err:",
1343                          le32_to_cpu(ht->mh_format_err),
1344                          accum_ht->mh_format_err,
1345                          delta_ht->mh_format_err, max_ht->mh_format_err);
1346         pos += scnprintf(buf + pos, bufsz - pos,
1347                          fmt_table, "agg_crc32_good:",
1348                          le32_to_cpu(ht->agg_crc32_good),
1349                          accum_ht->agg_crc32_good,
1350                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1351         pos += scnprintf(buf + pos, bufsz - pos,
1352                          fmt_table, "agg_mpdu_cnt:",
1353                          le32_to_cpu(ht->agg_mpdu_cnt),
1354                          accum_ht->agg_mpdu_cnt,
1355                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1356         pos += scnprintf(buf + pos, bufsz - pos,
1357                          fmt_table, "agg_cnt:",
1358                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1359                          delta_ht->agg_cnt, max_ht->agg_cnt);
1360         pos += scnprintf(buf + pos, bufsz - pos,
1361                          fmt_table, "unsupport_mcs:",
1362                          le32_to_cpu(ht->unsupport_mcs),
1363                          accum_ht->unsupport_mcs,
1364                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1365
1366         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1367         kfree(buf);
1368         return ret;
1369 }
1370
1371 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1372                                         char __user *user_buf,
1373                                         size_t count, loff_t *ppos)
1374 {
1375         struct iwl_priv *priv = file->private_data;
1376         int pos = 0;
1377         char *buf;
1378         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1379         ssize_t ret;
1380         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1381
1382         if (!iwl_is_alive(priv->shrd))
1383                 return -EAGAIN;
1384
1385         buf = kzalloc(bufsz, GFP_KERNEL);
1386         if (!buf) {
1387                 IWL_ERR(priv, "Can not allocate Buffer\n");
1388                 return -ENOMEM;
1389         }
1390
1391         /* the statistic information display here is based on
1392          * the last statistics notification from uCode
1393          * might not reflect the current uCode activity
1394          */
1395         tx = &priv->statistics.tx;
1396         accum_tx = &priv->accum_stats.tx;
1397         delta_tx = &priv->delta_stats.tx;
1398         max_tx = &priv->max_delta_stats.tx;
1399
1400         pos += iwl_statistics_flag(priv, buf, bufsz);
1401         pos += scnprintf(buf + pos, bufsz - pos,
1402                          fmt_header, "Statistics_Tx:");
1403         pos += scnprintf(buf + pos, bufsz - pos,
1404                          fmt_table, "preamble:",
1405                          le32_to_cpu(tx->preamble_cnt),
1406                          accum_tx->preamble_cnt,
1407                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1408         pos += scnprintf(buf + pos, bufsz - pos,
1409                          fmt_table, "rx_detected_cnt:",
1410                          le32_to_cpu(tx->rx_detected_cnt),
1411                          accum_tx->rx_detected_cnt,
1412                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1413         pos += scnprintf(buf + pos, bufsz - pos,
1414                          fmt_table, "bt_prio_defer_cnt:",
1415                          le32_to_cpu(tx->bt_prio_defer_cnt),
1416                          accum_tx->bt_prio_defer_cnt,
1417                          delta_tx->bt_prio_defer_cnt,
1418                          max_tx->bt_prio_defer_cnt);
1419         pos += scnprintf(buf + pos, bufsz - pos,
1420                          fmt_table, "bt_prio_kill_cnt:",
1421                          le32_to_cpu(tx->bt_prio_kill_cnt),
1422                          accum_tx->bt_prio_kill_cnt,
1423                          delta_tx->bt_prio_kill_cnt,
1424                          max_tx->bt_prio_kill_cnt);
1425         pos += scnprintf(buf + pos, bufsz - pos,
1426                          fmt_table, "few_bytes_cnt:",
1427                          le32_to_cpu(tx->few_bytes_cnt),
1428                          accum_tx->few_bytes_cnt,
1429                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1430         pos += scnprintf(buf + pos, bufsz - pos,
1431                          fmt_table, "cts_timeout:",
1432                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1433                          delta_tx->cts_timeout, max_tx->cts_timeout);
1434         pos += scnprintf(buf + pos, bufsz - pos,
1435                          fmt_table, "ack_timeout:",
1436                          le32_to_cpu(tx->ack_timeout),
1437                          accum_tx->ack_timeout,
1438                          delta_tx->ack_timeout, max_tx->ack_timeout);
1439         pos += scnprintf(buf + pos, bufsz - pos,
1440                          fmt_table, "expected_ack_cnt:",
1441                          le32_to_cpu(tx->expected_ack_cnt),
1442                          accum_tx->expected_ack_cnt,
1443                          delta_tx->expected_ack_cnt,
1444                          max_tx->expected_ack_cnt);
1445         pos += scnprintf(buf + pos, bufsz - pos,
1446                          fmt_table, "actual_ack_cnt:",
1447                          le32_to_cpu(tx->actual_ack_cnt),
1448                          accum_tx->actual_ack_cnt,
1449                          delta_tx->actual_ack_cnt,
1450                          max_tx->actual_ack_cnt);
1451         pos += scnprintf(buf + pos, bufsz - pos,
1452                          fmt_table, "dump_msdu_cnt:",
1453                          le32_to_cpu(tx->dump_msdu_cnt),
1454                          accum_tx->dump_msdu_cnt,
1455                          delta_tx->dump_msdu_cnt,
1456                          max_tx->dump_msdu_cnt);
1457         pos += scnprintf(buf + pos, bufsz - pos,
1458                          fmt_table, "abort_nxt_frame_mismatch:",
1459                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1460                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1461                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1462                          max_tx->burst_abort_next_frame_mismatch_cnt);
1463         pos += scnprintf(buf + pos, bufsz - pos,
1464                          fmt_table, "abort_missing_nxt_frame:",
1465                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1466                          accum_tx->burst_abort_missing_next_frame_cnt,
1467                          delta_tx->burst_abort_missing_next_frame_cnt,
1468                          max_tx->burst_abort_missing_next_frame_cnt);
1469         pos += scnprintf(buf + pos, bufsz - pos,
1470                          fmt_table, "cts_timeout_collision:",
1471                          le32_to_cpu(tx->cts_timeout_collision),
1472                          accum_tx->cts_timeout_collision,
1473                          delta_tx->cts_timeout_collision,
1474                          max_tx->cts_timeout_collision);
1475         pos += scnprintf(buf + pos, bufsz - pos,
1476                          fmt_table, "ack_ba_timeout_collision:",
1477                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1478                          accum_tx->ack_or_ba_timeout_collision,
1479                          delta_tx->ack_or_ba_timeout_collision,
1480                          max_tx->ack_or_ba_timeout_collision);
1481         pos += scnprintf(buf + pos, bufsz - pos,
1482                          fmt_table, "agg ba_timeout:",
1483                          le32_to_cpu(tx->agg.ba_timeout),
1484                          accum_tx->agg.ba_timeout,
1485                          delta_tx->agg.ba_timeout,
1486                          max_tx->agg.ba_timeout);
1487         pos += scnprintf(buf + pos, bufsz - pos,
1488                          fmt_table, "agg ba_resched_frames:",
1489                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1490                          accum_tx->agg.ba_reschedule_frames,
1491                          delta_tx->agg.ba_reschedule_frames,
1492                          max_tx->agg.ba_reschedule_frames);
1493         pos += scnprintf(buf + pos, bufsz - pos,
1494                          fmt_table, "agg scd_query_agg_frame:",
1495                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1496                          accum_tx->agg.scd_query_agg_frame_cnt,
1497                          delta_tx->agg.scd_query_agg_frame_cnt,
1498                          max_tx->agg.scd_query_agg_frame_cnt);
1499         pos += scnprintf(buf + pos, bufsz - pos,
1500                          fmt_table, "agg scd_query_no_agg:",
1501                          le32_to_cpu(tx->agg.scd_query_no_agg),
1502                          accum_tx->agg.scd_query_no_agg,
1503                          delta_tx->agg.scd_query_no_agg,
1504                          max_tx->agg.scd_query_no_agg);
1505         pos += scnprintf(buf + pos, bufsz - pos,
1506                          fmt_table, "agg scd_query_agg:",
1507                          le32_to_cpu(tx->agg.scd_query_agg),
1508                          accum_tx->agg.scd_query_agg,
1509                          delta_tx->agg.scd_query_agg,
1510                          max_tx->agg.scd_query_agg);
1511         pos += scnprintf(buf + pos, bufsz - pos,
1512                          fmt_table, "agg scd_query_mismatch:",
1513                          le32_to_cpu(tx->agg.scd_query_mismatch),
1514                          accum_tx->agg.scd_query_mismatch,
1515                          delta_tx->agg.scd_query_mismatch,
1516                          max_tx->agg.scd_query_mismatch);
1517         pos += scnprintf(buf + pos, bufsz - pos,
1518                          fmt_table, "agg frame_not_ready:",
1519                          le32_to_cpu(tx->agg.frame_not_ready),
1520                          accum_tx->agg.frame_not_ready,
1521                          delta_tx->agg.frame_not_ready,
1522                          max_tx->agg.frame_not_ready);
1523         pos += scnprintf(buf + pos, bufsz - pos,
1524                          fmt_table, "agg underrun:",
1525                          le32_to_cpu(tx->agg.underrun),
1526                          accum_tx->agg.underrun,
1527                          delta_tx->agg.underrun, max_tx->agg.underrun);
1528         pos += scnprintf(buf + pos, bufsz - pos,
1529                          fmt_table, "agg bt_prio_kill:",
1530                          le32_to_cpu(tx->agg.bt_prio_kill),
1531                          accum_tx->agg.bt_prio_kill,
1532                          delta_tx->agg.bt_prio_kill,
1533                          max_tx->agg.bt_prio_kill);
1534         pos += scnprintf(buf + pos, bufsz - pos,
1535                          fmt_table, "agg rx_ba_rsp_cnt:",
1536                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1537                          accum_tx->agg.rx_ba_rsp_cnt,
1538                          delta_tx->agg.rx_ba_rsp_cnt,
1539                          max_tx->agg.rx_ba_rsp_cnt);
1540
1541         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1542                 pos += scnprintf(buf + pos, bufsz - pos,
1543                         "tx power: (1/2 dB step)\n");
1544                 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1545                         pos += scnprintf(buf + pos, bufsz - pos,
1546                                         fmt_hex, "antenna A:",
1547                                         tx->tx_power.ant_a);
1548                 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1549                         pos += scnprintf(buf + pos, bufsz - pos,
1550                                         fmt_hex, "antenna B:",
1551                                         tx->tx_power.ant_b);
1552                 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1553                         pos += scnprintf(buf + pos, bufsz - pos,
1554                                         fmt_hex, "antenna C:",
1555                                         tx->tx_power.ant_c);
1556         }
1557         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1558         kfree(buf);
1559         return ret;
1560 }
1561
1562 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1563                                         char __user *user_buf,
1564                                         size_t count, loff_t *ppos)
1565 {
1566         struct iwl_priv *priv = file->private_data;
1567         int pos = 0;
1568         char *buf;
1569         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1570         ssize_t ret;
1571         struct statistics_general_common *general, *accum_general;
1572         struct statistics_general_common *delta_general, *max_general;
1573         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1574         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1575
1576         if (!iwl_is_alive(priv->shrd))
1577                 return -EAGAIN;
1578
1579         buf = kzalloc(bufsz, GFP_KERNEL);
1580         if (!buf) {
1581                 IWL_ERR(priv, "Can not allocate Buffer\n");
1582                 return -ENOMEM;
1583         }
1584
1585         /* the statistic information display here is based on
1586          * the last statistics notification from uCode
1587          * might not reflect the current uCode activity
1588          */
1589         general = &priv->statistics.common;
1590         dbg = &priv->statistics.common.dbg;
1591         div = &priv->statistics.common.div;
1592         accum_general = &priv->accum_stats.common;
1593         accum_dbg = &priv->accum_stats.common.dbg;
1594         accum_div = &priv->accum_stats.common.div;
1595         delta_general = &priv->delta_stats.common;
1596         max_general = &priv->max_delta_stats.common;
1597         delta_dbg = &priv->delta_stats.common.dbg;
1598         max_dbg = &priv->max_delta_stats.common.dbg;
1599         delta_div = &priv->delta_stats.common.div;
1600         max_div = &priv->max_delta_stats.common.div;
1601
1602         pos += iwl_statistics_flag(priv, buf, bufsz);
1603         pos += scnprintf(buf + pos, bufsz - pos,
1604                          fmt_header, "Statistics_General:");
1605         pos += scnprintf(buf + pos, bufsz - pos,
1606                          fmt_value, "temperature:",
1607                          le32_to_cpu(general->temperature));
1608         pos += scnprintf(buf + pos, bufsz - pos,
1609                          fmt_value, "temperature_m:",
1610                          le32_to_cpu(general->temperature_m));
1611         pos += scnprintf(buf + pos, bufsz - pos,
1612                          fmt_value, "ttl_timestamp:",
1613                          le32_to_cpu(general->ttl_timestamp));
1614         pos += scnprintf(buf + pos, bufsz - pos,
1615                          fmt_table, "burst_check:",
1616                          le32_to_cpu(dbg->burst_check),
1617                          accum_dbg->burst_check,
1618                          delta_dbg->burst_check, max_dbg->burst_check);
1619         pos += scnprintf(buf + pos, bufsz - pos,
1620                          fmt_table, "burst_count:",
1621                          le32_to_cpu(dbg->burst_count),
1622                          accum_dbg->burst_count,
1623                          delta_dbg->burst_count, max_dbg->burst_count);
1624         pos += scnprintf(buf + pos, bufsz - pos,
1625                          fmt_table, "wait_for_silence_timeout_count:",
1626                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1627                          accum_dbg->wait_for_silence_timeout_cnt,
1628                          delta_dbg->wait_for_silence_timeout_cnt,
1629                          max_dbg->wait_for_silence_timeout_cnt);
1630         pos += scnprintf(buf + pos, bufsz - pos,
1631                          fmt_table, "sleep_time:",
1632                          le32_to_cpu(general->sleep_time),
1633                          accum_general->sleep_time,
1634                          delta_general->sleep_time, max_general->sleep_time);
1635         pos += scnprintf(buf + pos, bufsz - pos,
1636                          fmt_table, "slots_out:",
1637                          le32_to_cpu(general->slots_out),
1638                          accum_general->slots_out,
1639                          delta_general->slots_out, max_general->slots_out);
1640         pos += scnprintf(buf + pos, bufsz - pos,
1641                          fmt_table, "slots_idle:",
1642                          le32_to_cpu(general->slots_idle),
1643                          accum_general->slots_idle,
1644                          delta_general->slots_idle, max_general->slots_idle);
1645         pos += scnprintf(buf + pos, bufsz - pos,
1646                          fmt_table, "tx_on_a:",
1647                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1648                          delta_div->tx_on_a, max_div->tx_on_a);
1649         pos += scnprintf(buf + pos, bufsz - pos,
1650                          fmt_table, "tx_on_b:",
1651                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1652                          delta_div->tx_on_b, max_div->tx_on_b);
1653         pos += scnprintf(buf + pos, bufsz - pos,
1654                          fmt_table, "exec_time:",
1655                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1656                          delta_div->exec_time, max_div->exec_time);
1657         pos += scnprintf(buf + pos, bufsz - pos,
1658                          fmt_table, "probe_time:",
1659                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1660                          delta_div->probe_time, max_div->probe_time);
1661         pos += scnprintf(buf + pos, bufsz - pos,
1662                          fmt_table, "rx_enable_counter:",
1663                          le32_to_cpu(general->rx_enable_counter),
1664                          accum_general->rx_enable_counter,
1665                          delta_general->rx_enable_counter,
1666                          max_general->rx_enable_counter);
1667         pos += scnprintf(buf + pos, bufsz - pos,
1668                          fmt_table, "num_of_sos_states:",
1669                          le32_to_cpu(general->num_of_sos_states),
1670                          accum_general->num_of_sos_states,
1671                          delta_general->num_of_sos_states,
1672                          max_general->num_of_sos_states);
1673         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1674         kfree(buf);
1675         return ret;
1676 }
1677
1678 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1679                                         char __user *user_buf,
1680                                         size_t count, loff_t *ppos)
1681 {
1682         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1683         int pos = 0;
1684         char *buf;
1685         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1686         ssize_t ret;
1687         struct statistics_bt_activity *bt, *accum_bt;
1688
1689         if (!iwl_is_alive(priv->shrd))
1690                 return -EAGAIN;
1691
1692         if (!priv->bt_enable_flag)
1693                 return -EINVAL;
1694
1695         /* make request to uCode to retrieve statistics information */
1696         mutex_lock(&priv->shrd->mutex);
1697         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1698         mutex_unlock(&priv->shrd->mutex);
1699
1700         if (ret) {
1701                 IWL_ERR(priv,
1702                         "Error sending statistics request: %zd\n", ret);
1703                 return -EAGAIN;
1704         }
1705         buf = kzalloc(bufsz, GFP_KERNEL);
1706         if (!buf) {
1707                 IWL_ERR(priv, "Can not allocate Buffer\n");
1708                 return -ENOMEM;
1709         }
1710
1711         /*
1712          * the statistic information display here is based on
1713          * the last statistics notification from uCode
1714          * might not reflect the current uCode activity
1715          */
1716         bt = &priv->statistics.bt_activity;
1717         accum_bt = &priv->accum_stats.bt_activity;
1718
1719         pos += iwl_statistics_flag(priv, buf, bufsz);
1720         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1721         pos += scnprintf(buf + pos, bufsz - pos,
1722                         "\t\t\tcurrent\t\t\taccumulative\n");
1723         pos += scnprintf(buf + pos, bufsz - pos,
1724                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1725                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1726                          accum_bt->hi_priority_tx_req_cnt);
1727         pos += scnprintf(buf + pos, bufsz - pos,
1728                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1729                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1730                          accum_bt->hi_priority_tx_denied_cnt);
1731         pos += scnprintf(buf + pos, bufsz - pos,
1732                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1733                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1734                          accum_bt->lo_priority_tx_req_cnt);
1735         pos += scnprintf(buf + pos, bufsz - pos,
1736                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1737                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1738                          accum_bt->lo_priority_tx_denied_cnt);
1739         pos += scnprintf(buf + pos, bufsz - pos,
1740                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1741                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1742                          accum_bt->hi_priority_rx_req_cnt);
1743         pos += scnprintf(buf + pos, bufsz - pos,
1744                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1745                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1746                          accum_bt->hi_priority_rx_denied_cnt);
1747         pos += scnprintf(buf + pos, bufsz - pos,
1748                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1749                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1750                          accum_bt->lo_priority_rx_req_cnt);
1751         pos += scnprintf(buf + pos, bufsz - pos,
1752                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1753                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1754                          accum_bt->lo_priority_rx_denied_cnt);
1755
1756         pos += scnprintf(buf + pos, bufsz - pos,
1757                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1758                          le32_to_cpu(priv->statistics.num_bt_kills),
1759                          priv->statistics.accum_num_bt_kills);
1760
1761         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1762         kfree(buf);
1763         return ret;
1764 }
1765
1766 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1767                                         char __user *user_buf,
1768                                         size_t count, loff_t *ppos)
1769 {
1770         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1771         int pos = 0;
1772         char *buf;
1773         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1774                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1775         ssize_t ret;
1776
1777         if (!iwl_is_alive(priv->shrd))
1778                 return -EAGAIN;
1779
1780         buf = kzalloc(bufsz, GFP_KERNEL);
1781         if (!buf) {
1782                 IWL_ERR(priv, "Can not allocate Buffer\n");
1783                 return -ENOMEM;
1784         }
1785
1786         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1787         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1788                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1789                          priv->reply_tx_stats.pp_delay);
1790         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1791                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1792                          priv->reply_tx_stats.pp_few_bytes);
1793         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1794                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1795                          priv->reply_tx_stats.pp_bt_prio);
1796         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1797                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1798                          priv->reply_tx_stats.pp_quiet_period);
1799         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1800                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1801                          priv->reply_tx_stats.pp_calc_ttak);
1802         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1803                          iwl_get_tx_fail_reason(
1804                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1805                          priv->reply_tx_stats.int_crossed_retry);
1806         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1807                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1808                          priv->reply_tx_stats.short_limit);
1809         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1810                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1811                          priv->reply_tx_stats.long_limit);
1812         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1813                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1814                          priv->reply_tx_stats.fifo_underrun);
1815         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1816                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1817                          priv->reply_tx_stats.drain_flow);
1818         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1819                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1820                          priv->reply_tx_stats.rfkill_flush);
1821         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1822                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1823                          priv->reply_tx_stats.life_expire);
1824         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1825                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1826                          priv->reply_tx_stats.dest_ps);
1827         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1828                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1829                          priv->reply_tx_stats.host_abort);
1830         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1831                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1832                          priv->reply_tx_stats.pp_delay);
1833         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1834                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1835                          priv->reply_tx_stats.sta_invalid);
1836         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1837                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1838                          priv->reply_tx_stats.frag_drop);
1839         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1840                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1841                          priv->reply_tx_stats.tid_disable);
1842         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1843                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1844                          priv->reply_tx_stats.fifo_flush);
1845         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1846                          iwl_get_tx_fail_reason(
1847                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1848                          priv->reply_tx_stats.insuff_cf_poll);
1849         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1850                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1851                          priv->reply_tx_stats.fail_hw_drop);
1852         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1853                          iwl_get_tx_fail_reason(
1854                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1855                          priv->reply_tx_stats.sta_color_mismatch);
1856         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1857                          priv->reply_tx_stats.unknown);
1858
1859         pos += scnprintf(buf + pos, bufsz - pos,
1860                          "\nStatistics_Agg_TX_Error:\n");
1861
1862         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1863                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1864                          priv->reply_agg_tx_stats.underrun);
1865         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1866                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1867                          priv->reply_agg_tx_stats.bt_prio);
1868         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1869                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1870                          priv->reply_agg_tx_stats.few_bytes);
1871         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1872                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1873                          priv->reply_agg_tx_stats.abort);
1874         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1875                          iwl_get_agg_tx_fail_reason(
1876                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1877                          priv->reply_agg_tx_stats.last_sent_ttl);
1878         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1879                          iwl_get_agg_tx_fail_reason(
1880                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1881                          priv->reply_agg_tx_stats.last_sent_try);
1882         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1883                          iwl_get_agg_tx_fail_reason(
1884                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1885                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1886         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1887                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1888                          priv->reply_agg_tx_stats.scd_query);
1889         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1890                          iwl_get_agg_tx_fail_reason(
1891                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1892                          priv->reply_agg_tx_stats.bad_crc32);
1893         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1894                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1895                          priv->reply_agg_tx_stats.response);
1896         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1897                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1898                          priv->reply_agg_tx_stats.dump_tx);
1899         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1900                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1901                          priv->reply_agg_tx_stats.delay_tx);
1902         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1903                          priv->reply_agg_tx_stats.unknown);
1904
1905         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1906         kfree(buf);
1907         return ret;
1908 }
1909
1910 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1911                                         char __user *user_buf,
1912                                         size_t count, loff_t *ppos) {
1913
1914         struct iwl_priv *priv = file->private_data;
1915         int pos = 0;
1916         int cnt = 0;
1917         char *buf;
1918         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1919         ssize_t ret;
1920         struct iwl_sensitivity_data *data;
1921
1922         data = &priv->sensitivity_data;
1923         buf = kzalloc(bufsz, GFP_KERNEL);
1924         if (!buf) {
1925                 IWL_ERR(priv, "Can not allocate Buffer\n");
1926                 return -ENOMEM;
1927         }
1928
1929         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1930                         data->auto_corr_ofdm);
1931         pos += scnprintf(buf + pos, bufsz - pos,
1932                         "auto_corr_ofdm_mrc:\t\t %u\n",
1933                         data->auto_corr_ofdm_mrc);
1934         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1935                         data->auto_corr_ofdm_x1);
1936         pos += scnprintf(buf + pos, bufsz - pos,
1937                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1938                         data->auto_corr_ofdm_mrc_x1);
1939         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1940                         data->auto_corr_cck);
1941         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1942                         data->auto_corr_cck_mrc);
1943         pos += scnprintf(buf + pos, bufsz - pos,
1944                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1945                         data->last_bad_plcp_cnt_ofdm);
1946         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1947                         data->last_fa_cnt_ofdm);
1948         pos += scnprintf(buf + pos, bufsz - pos,
1949                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1950                         data->last_bad_plcp_cnt_cck);
1951         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1952                         data->last_fa_cnt_cck);
1953         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1954                         data->nrg_curr_state);
1955         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1956                         data->nrg_prev_state);
1957         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1958         for (cnt = 0; cnt < 10; cnt++) {
1959                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1960                                 data->nrg_value[cnt]);
1961         }
1962         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1963         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1964         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1965                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1966                                 data->nrg_silence_rssi[cnt]);
1967         }
1968         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1969         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1970                         data->nrg_silence_ref);
1971         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1972                         data->nrg_energy_idx);
1973         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1974                         data->nrg_silence_idx);
1975         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1976                         data->nrg_th_cck);
1977         pos += scnprintf(buf + pos, bufsz - pos,
1978                         "nrg_auto_corr_silence_diff:\t %u\n",
1979                         data->nrg_auto_corr_silence_diff);
1980         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1981                         data->num_in_cck_no_fa);
1982         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1983                         data->nrg_th_ofdm);
1984
1985         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1986         kfree(buf);
1987         return ret;
1988 }
1989
1990
1991 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1992                                         char __user *user_buf,
1993                                         size_t count, loff_t *ppos) {
1994
1995         struct iwl_priv *priv = file->private_data;
1996         int pos = 0;
1997         int cnt = 0;
1998         char *buf;
1999         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2000         ssize_t ret;
2001         struct iwl_chain_noise_data *data;
2002
2003         data = &priv->chain_noise_data;
2004         buf = kzalloc(bufsz, GFP_KERNEL);
2005         if (!buf) {
2006                 IWL_ERR(priv, "Can not allocate Buffer\n");
2007                 return -ENOMEM;
2008         }
2009
2010         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2011                         data->active_chains);
2012         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2013                         data->chain_noise_a);
2014         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2015                         data->chain_noise_b);
2016         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2017                         data->chain_noise_c);
2018         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2019                         data->chain_signal_a);
2020         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2021                         data->chain_signal_b);
2022         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2023                         data->chain_signal_c);
2024         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2025                         data->beacon_count);
2026
2027         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2028         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2029                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2030                                 data->disconn_array[cnt]);
2031         }
2032         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2033         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2034         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2035                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2036                                 data->delta_gain_code[cnt]);
2037         }
2038         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2039         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2040                         data->radio_write);
2041         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2042                         data->state);
2043
2044         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2045         kfree(buf);
2046         return ret;
2047 }
2048
2049 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2050                                                     char __user *user_buf,
2051                                                     size_t count, loff_t *ppos)
2052 {
2053         struct iwl_priv *priv = file->private_data;
2054         char buf[60];
2055         int pos = 0;
2056         const size_t bufsz = sizeof(buf);
2057         u32 pwrsave_status;
2058
2059         pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) &
2060                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2061
2062         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2063         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2064                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2065                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2066                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2067                 "error");
2068
2069         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2070 }
2071
2072 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2073                                          const char __user *user_buf,
2074                                          size_t count, loff_t *ppos)
2075 {
2076         struct iwl_priv *priv = file->private_data;
2077         char buf[8];
2078         int buf_size;
2079         int clear;
2080
2081         memset(buf, 0, sizeof(buf));
2082         buf_size = min(count, sizeof(buf) -  1);
2083         if (copy_from_user(buf, user_buf, buf_size))
2084                 return -EFAULT;
2085         if (sscanf(buf, "%d", &clear) != 1)
2086                 return -EFAULT;
2087
2088         /* make request to uCode to retrieve statistics information */
2089         mutex_lock(&priv->shrd->mutex);
2090         iwl_send_statistics_request(priv, CMD_SYNC, true);
2091         mutex_unlock(&priv->shrd->mutex);
2092
2093         return count;
2094 }
2095
2096 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2097                                         char __user *user_buf,
2098                                         size_t count, loff_t *ppos) {
2099
2100         struct iwl_priv *priv = file->private_data;
2101         int pos = 0;
2102         char buf[128];
2103         const size_t bufsz = sizeof(buf);
2104
2105         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2106                         priv->event_log.ucode_trace ? "On" : "Off");
2107         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2108                         priv->event_log.non_wraps_count);
2109         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2110                         priv->event_log.wraps_once_count);
2111         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2112                         priv->event_log.wraps_more_count);
2113
2114         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2115 }
2116
2117 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2118                                          const char __user *user_buf,
2119                                          size_t count, loff_t *ppos)
2120 {
2121         struct iwl_priv *priv = file->private_data;
2122         char buf[8];
2123         int buf_size;
2124         int trace;
2125
2126         memset(buf, 0, sizeof(buf));
2127         buf_size = min(count, sizeof(buf) -  1);
2128         if (copy_from_user(buf, user_buf, buf_size))
2129                 return -EFAULT;
2130         if (sscanf(buf, "%d", &trace) != 1)
2131                 return -EFAULT;
2132
2133         if (trace) {
2134                 priv->event_log.ucode_trace = true;
2135                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2136                 mod_timer(&priv->ucode_trace,
2137                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2138         } else {
2139                 priv->event_log.ucode_trace = false;
2140                 del_timer_sync(&priv->ucode_trace);
2141         }
2142
2143         return count;
2144 }
2145
2146 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2147                                          char __user *user_buf,
2148                                          size_t count, loff_t *ppos) {
2149
2150         struct iwl_priv *priv = file->private_data;
2151         int len = 0;
2152         char buf[20];
2153
2154         len = sprintf(buf, "0x%04X\n",
2155                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2156         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2157 }
2158
2159 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2160                                                 char __user *user_buf,
2161                                                 size_t count, loff_t *ppos) {
2162
2163         struct iwl_priv *priv = file->private_data;
2164         int len = 0;
2165         char buf[20];
2166
2167         len = sprintf(buf, "0x%04X\n",
2168                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2169         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2170 }
2171
2172 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2173                                         char __user *user_buf,
2174                                         size_t count, loff_t *ppos) {
2175
2176         struct iwl_priv *priv = file->private_data;
2177         int pos = 0;
2178         char buf[12];
2179         const size_t bufsz = sizeof(buf);
2180
2181         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2182                         priv->missed_beacon_threshold);
2183
2184         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2185 }
2186
2187 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2188                                          const char __user *user_buf,
2189                                          size_t count, loff_t *ppos)
2190 {
2191         struct iwl_priv *priv = file->private_data;
2192         char buf[8];
2193         int buf_size;
2194         int missed;
2195
2196         memset(buf, 0, sizeof(buf));
2197         buf_size = min(count, sizeof(buf) -  1);
2198         if (copy_from_user(buf, user_buf, buf_size))
2199                 return -EFAULT;
2200         if (sscanf(buf, "%d", &missed) != 1)
2201                 return -EINVAL;
2202
2203         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2204             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2205                 priv->missed_beacon_threshold =
2206                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2207         else
2208                 priv->missed_beacon_threshold = missed;
2209
2210         return count;
2211 }
2212
2213 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2214                                         char __user *user_buf,
2215                                         size_t count, loff_t *ppos) {
2216
2217         struct iwl_priv *priv = file->private_data;
2218         int pos = 0;
2219         char buf[12];
2220         const size_t bufsz = sizeof(buf);
2221
2222         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2223                         priv->cfg->base_params->plcp_delta_threshold);
2224
2225         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2226 }
2227
2228 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2229                                         const char __user *user_buf,
2230                                         size_t count, loff_t *ppos) {
2231
2232         struct iwl_priv *priv = file->private_data;
2233         char buf[8];
2234         int buf_size;
2235         int plcp;
2236
2237         memset(buf, 0, sizeof(buf));
2238         buf_size = min(count, sizeof(buf) -  1);
2239         if (copy_from_user(buf, user_buf, buf_size))
2240                 return -EFAULT;
2241         if (sscanf(buf, "%d", &plcp) != 1)
2242                 return -EINVAL;
2243         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2244                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2245                 priv->cfg->base_params->plcp_delta_threshold =
2246                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2247         else
2248                 priv->cfg->base_params->plcp_delta_threshold = plcp;
2249         return count;
2250 }
2251
2252 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2253                                         char __user *user_buf,
2254                                         size_t count, loff_t *ppos)
2255 {
2256         struct iwl_priv *priv = file->private_data;
2257         int i, pos = 0;
2258         char buf[300];
2259         const size_t bufsz = sizeof(buf);
2260         struct iwl_force_reset *force_reset;
2261
2262         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2263                 force_reset = &priv->force_reset[i];
2264                 pos += scnprintf(buf + pos, bufsz - pos,
2265                                 "Force reset method %d\n", i);
2266                 pos += scnprintf(buf + pos, bufsz - pos,
2267                                 "\tnumber of reset request: %d\n",
2268                                 force_reset->reset_request_count);
2269                 pos += scnprintf(buf + pos, bufsz - pos,
2270                                 "\tnumber of reset request success: %d\n",
2271                                 force_reset->reset_success_count);
2272                 pos += scnprintf(buf + pos, bufsz - pos,
2273                                 "\tnumber of reset request reject: %d\n",
2274                                 force_reset->reset_reject_count);
2275                 pos += scnprintf(buf + pos, bufsz - pos,
2276                                 "\treset duration: %lu\n",
2277                                 force_reset->reset_duration);
2278         }
2279         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2280 }
2281
2282 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2283                                         const char __user *user_buf,
2284                                         size_t count, loff_t *ppos) {
2285
2286         struct iwl_priv *priv = file->private_data;
2287         char buf[8];
2288         int buf_size;
2289         int reset, ret;
2290
2291         memset(buf, 0, sizeof(buf));
2292         buf_size = min(count, sizeof(buf) -  1);
2293         if (copy_from_user(buf, user_buf, buf_size))
2294                 return -EFAULT;
2295         if (sscanf(buf, "%d", &reset) != 1)
2296                 return -EINVAL;
2297         switch (reset) {
2298         case IWL_RF_RESET:
2299         case IWL_FW_RESET:
2300                 ret = iwl_force_reset(priv, reset, true);
2301                 break;
2302         default:
2303                 return -EINVAL;
2304         }
2305         return ret ? ret : count;
2306 }
2307
2308 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2309                                         const char __user *user_buf,
2310                                         size_t count, loff_t *ppos) {
2311
2312         struct iwl_priv *priv = file->private_data;
2313         char buf[8];
2314         int buf_size;
2315         int flush;
2316
2317         memset(buf, 0, sizeof(buf));
2318         buf_size = min(count, sizeof(buf) -  1);
2319         if (copy_from_user(buf, user_buf, buf_size))
2320                 return -EFAULT;
2321         if (sscanf(buf, "%d", &flush) != 1)
2322                 return -EINVAL;
2323
2324         if (iwl_is_rfkill(priv->shrd))
2325                 return -EFAULT;
2326
2327         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2328
2329         return count;
2330 }
2331
2332 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2333                                         const char __user *user_buf,
2334                                         size_t count, loff_t *ppos)
2335 {
2336         struct iwl_priv *priv = file->private_data;
2337         char buf[8];
2338         int buf_size;
2339         int timeout;
2340
2341         memset(buf, 0, sizeof(buf));
2342         buf_size = min(count, sizeof(buf) -  1);
2343         if (copy_from_user(buf, user_buf, buf_size))
2344                 return -EFAULT;
2345         if (sscanf(buf, "%d", &timeout) != 1)
2346                 return -EINVAL;
2347         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2348                 timeout = IWL_DEF_WD_TIMEOUT;
2349
2350         priv->cfg->base_params->wd_timeout = timeout;
2351         iwl_setup_watchdog(priv);
2352         return count;
2353 }
2354
2355 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2356                                         char __user *user_buf,
2357                                         size_t count, loff_t *ppos) {
2358
2359         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2360         int pos = 0;
2361         char buf[200];
2362         const size_t bufsz = sizeof(buf);
2363
2364         if (!priv->bt_enable_flag) {
2365                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2366                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2367         }
2368         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2369                 priv->bt_enable_flag);
2370         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2371                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2372         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2373                          "last traffic notif: %d\n",
2374                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2375         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2376                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2377                 priv->bt_ch_announce, priv->kill_ack_mask,
2378                 priv->kill_cts_mask);
2379
2380         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2381         switch (priv->bt_traffic_load) {
2382         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2383                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2384                 break;
2385         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2386                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2387                 break;
2388         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2389                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2390                 break;
2391         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2392         default:
2393                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2394                 break;
2395         }
2396
2397         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2398 }
2399
2400 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2401                                         char __user *user_buf,
2402                                         size_t count, loff_t *ppos)
2403 {
2404         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2405
2406         int pos = 0;
2407         char buf[40];
2408         const size_t bufsz = sizeof(buf);
2409
2410         if (priv->cfg->ht_params)
2411                 pos += scnprintf(buf + pos, bufsz - pos,
2412                          "use %s for aggregation\n",
2413                          (priv->cfg->ht_params->use_rts_for_aggregation) ?
2414                                 "rts/cts" : "cts-to-self");
2415         else
2416                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2417
2418         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2419 }
2420
2421 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2422                                         const char __user *user_buf,
2423                                         size_t count, loff_t *ppos) {
2424
2425         struct iwl_priv *priv = file->private_data;
2426         char buf[8];
2427         int buf_size;
2428         int rts;
2429
2430         if (!priv->cfg->ht_params)
2431                 return -EINVAL;
2432
2433         memset(buf, 0, sizeof(buf));
2434         buf_size = min(count, sizeof(buf) -  1);
2435         if (copy_from_user(buf, user_buf, buf_size))
2436                 return -EFAULT;
2437         if (sscanf(buf, "%d", &rts) != 1)
2438                 return -EINVAL;
2439         if (rts)
2440                 priv->cfg->ht_params->use_rts_for_aggregation = true;
2441         else
2442                 priv->cfg->ht_params->use_rts_for_aggregation = false;
2443         return count;
2444 }
2445
2446 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2447                                         const char __user *user_buf,
2448                                         size_t count, loff_t *ppos)
2449 {
2450         struct iwl_priv *priv = file->private_data;
2451         char buf[8];
2452         int buf_size;
2453
2454         memset(buf, 0, sizeof(buf));
2455         buf_size = min(count, sizeof(buf) -  1);
2456         if (copy_from_user(buf, user_buf, buf_size))
2457                 return -EFAULT;
2458
2459         iwl_cmd_echo_test(priv);
2460         return count;
2461 }
2462
2463 DEBUGFS_READ_FILE_OPS(rx_statistics);
2464 DEBUGFS_READ_FILE_OPS(tx_statistics);
2465 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2466 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2467 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2468 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2469 DEBUGFS_READ_FILE_OPS(sensitivity);
2470 DEBUGFS_READ_FILE_OPS(chain_noise);
2471 DEBUGFS_READ_FILE_OPS(power_save_status);
2472 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2473 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2474 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2475 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2476 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2477 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2478 DEBUGFS_READ_FILE_OPS(rxon_flags);
2479 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2480 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2481 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2482 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2483 DEBUGFS_READ_FILE_OPS(bt_traffic);
2484 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2485 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2486 DEBUGFS_WRITE_FILE_OPS(echo_test);
2487
2488 #ifdef CONFIG_IWLWIFI_DEBUG
2489 static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
2490                                           char __user *user_buf,
2491                                           size_t count, loff_t *ppos)
2492 {
2493         struct iwl_priv *priv = file->private_data;
2494         struct iwl_shared *shrd = priv->shrd;
2495         char buf[11];
2496         int len;
2497
2498         len = scnprintf(buf, sizeof(buf), "0x%.8x",
2499                         iwl_get_debug_level(shrd));
2500
2501         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2502 }
2503
2504 static ssize_t iwl_dbgfs_debug_level_write(struct file *file,
2505                                            const char __user *user_buf,
2506                                            size_t count, loff_t *ppos)
2507 {
2508         struct iwl_priv *priv = file->private_data;
2509         struct iwl_shared *shrd = priv->shrd;
2510         char buf[11];
2511         unsigned long val;
2512         int ret;
2513
2514         if (count > sizeof(buf))
2515                 return -EINVAL;
2516
2517         memset(buf, 0, sizeof(buf));
2518         if (copy_from_user(buf, user_buf, count))
2519                 return -EFAULT;
2520
2521         ret = strict_strtoul(buf, 0, &val);
2522         if (ret)
2523                 return ret;
2524
2525         shrd->dbg_level_dev = val;
2526         if (iwl_alloc_traffic_mem(priv))
2527                 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
2528
2529         return count;
2530 }
2531 DEBUGFS_READ_WRITE_FILE_OPS(debug_level);
2532 #endif /* CONFIG_IWLWIFI_DEBUG */
2533
2534 /*
2535  * Create the debugfs files and directories
2536  *
2537  */
2538 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2539 {
2540         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2541         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2542
2543         dir_drv = debugfs_create_dir(name, phyd);
2544         if (!dir_drv)
2545                 return -ENOMEM;
2546
2547         priv->debugfs_dir = dir_drv;
2548
2549         dir_data = debugfs_create_dir("data", dir_drv);
2550         if (!dir_data)
2551                 goto err;
2552         dir_rf = debugfs_create_dir("rf", dir_drv);
2553         if (!dir_rf)
2554                 goto err;
2555         dir_debug = debugfs_create_dir("debug", dir_drv);
2556         if (!dir_debug)
2557                 goto err;
2558
2559         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2560         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2561         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2562         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2563         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2564         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2565         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2566         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2567         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2568         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2569         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2570         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2571         DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2572
2573         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2574         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2575         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2576         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2577         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2578         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2579         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2580         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2581         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2582         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2583         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2584         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2585         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2586         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2587         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2588         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2589         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2590         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2591         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2592         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2593         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2594         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2595         DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2596         if (iwl_advanced_bt_coexist(priv))
2597                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2598 #ifdef CONFIG_IWLWIFI_DEBUG
2599         DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR);
2600 #endif
2601
2602         DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2603                          &priv->disable_sens_cal);
2604         DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2605                          &priv->disable_chain_noise_cal);
2606
2607         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2608                 goto err;
2609         return 0;
2610
2611 err:
2612         IWL_ERR(priv, "Can't create the debugfs directory\n");
2613         iwl_dbgfs_unregister(priv);
2614         return -ENOMEM;
2615 }
2616
2617 /**
2618  * Remove the debugfs files and directories
2619  *
2620  */
2621 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2622 {
2623         if (!priv->debugfs_dir)
2624                 return;
2625
2626         debugfs_remove_recursive(priv->debugfs_dir);
2627         priv->debugfs_dir = NULL;
2628 }