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

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