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

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