Pileus Git - ~andy/linux/blob - drivers/net/wireless/iwlwifi/iwl-debugfs.c

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