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

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