SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/iwlwifi/iwl-debugfs.c

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2009 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/kernel.h>
  30 #include <linux/module.h>
  31 #include <linux/debugfs.h>
  32
  33 #include <linux/ieee80211.h>
  34 #include <net/mac80211.h>
  35
  36
  37 #include "iwl-dev.h"
  38 #include "iwl-debug.h"
  39 #include "iwl-core.h"
  40 #include "iwl-io.h"
  41 #include "iwl-calib.h"
  42
  43 /* create and remove of files */
  44 #define DEBUGFS_ADD_DIR(name, parent) do {                              \
  45         dbgfs->dir_##name = debugfs_create_dir(#name, parent);          \
  46         if (!(dbgfs->dir_##name))                                       \
  47                 goto err;                                               \
  48 } while (0)
  49
  50 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  51         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  52         debugfs_create_file(#name, mode,                                \
  53                                 dbgfs->dir_##parent, priv,              \
  54                                 &iwl_dbgfs_##name##_ops);               \
  55         if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  60         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  61         debugfs_create_bool(#name, S_IWUSR | S_IRUSR,                   \
  62                             dbgfs->dir_##parent, ptr);                  \
  63         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
  64                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
  65                 goto err;                                               \
  66 } while (0)
  67
  68 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
  69         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  70         debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr);   \
  71         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
  72                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
  73                 goto err;                                               \
  74 } while (0)
  75
  76 #define DEBUGFS_REMOVE(name)  do {              \
  77         debugfs_remove(name);                   \
  78         name = NULL;                            \
  79 } while (0);
  80
  81 /* file operation */
  82 #define DEBUGFS_READ_FUNC(name)                                         \
  83 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  84                                         char __user *user_buf,          \
  85                                         size_t count, loff_t *ppos);
  86
  87 #define DEBUGFS_WRITE_FUNC(name)                                        \
  88 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  89                                         const char __user *user_buf,    \
  90                                         size_t count, loff_t *ppos);
  91
  92
  93 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  94 {
  95         file->private_data = inode->i_private;
  96         return 0;
  97 }
  98
  99 #define DEBUGFS_READ_FILE_OPS(name)                                     \
 100         DEBUGFS_READ_FUNC(name);                                        \
 101 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 102         .read = iwl_dbgfs_##name##_read,                                \
 103         .open = iwl_dbgfs_open_file_generic,                            \
 104 };
 105
 106 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
 107         DEBUGFS_WRITE_FUNC(name);                                       \
 108 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 109         .write = iwl_dbgfs_##name##_write,                              \
 110         .open = iwl_dbgfs_open_file_generic,                            \
 111 };
 112
 113
 114 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 115         DEBUGFS_READ_FUNC(name);                                        \
 116         DEBUGFS_WRITE_FUNC(name);                                       \
 117 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 118         .write = iwl_dbgfs_##name##_write,                              \
 119         .read = iwl_dbgfs_##name##_read,                                \
 120         .open = iwl_dbgfs_open_file_generic,                            \
 121 };
 122
 123
 124 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 125                                                 char __user *user_buf,
 126                                                 size_t count, loff_t *ppos) {
 127
 128         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 129         char *buf;
 130         int pos = 0;
 131
 132         int cnt;
 133         ssize_t ret;
 134         const size_t bufsz = 100 +
 135                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 136         buf = kzalloc(bufsz, GFP_KERNEL);
 137         if (!buf)
 138                 return -ENOMEM;
 139         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 140         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 141                 pos += scnprintf(buf + pos, bufsz - pos,
 142                                  "\t%25s\t\t: %u\n",
 143                                  get_mgmt_string(cnt),
 144                                  priv->tx_stats.mgmt[cnt]);
 145         }
 146         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 147         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 148                 pos += scnprintf(buf + pos, bufsz - pos,
 149                                  "\t%25s\t\t: %u\n",
 150                                  get_ctrl_string(cnt),
 151                                  priv->tx_stats.ctrl[cnt]);
 152         }
 153         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 154         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 155                          priv->tx_stats.data_cnt);
 156         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 157                          priv->tx_stats.data_bytes);
 158         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 159         kfree(buf);
 160         return ret;
 161 }
 162
 163 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 164                                         const char __user *user_buf,
 165                                         size_t count, loff_t *ppos)
 166 {
 167         struct iwl_priv *priv = file->private_data;
 168         u32 clear_flag;
 169         char buf[8];
 170         int buf_size;
 171
 172         memset(buf, 0, sizeof(buf));
 173         buf_size = min(count, sizeof(buf) -  1);
 174         if (copy_from_user(buf, user_buf, buf_size))
 175                 return -EFAULT;
 176         if (sscanf(buf, "%x", &clear_flag) != 1)
 177                 return -EFAULT;
 178         iwl_clear_traffic_stats(priv);
 179
 180         return count;
 181 }
 182
 183 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 184                                                 char __user *user_buf,
 185                                                 size_t count, loff_t *ppos) {
 186
 187         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 188         char *buf;
 189         int pos = 0;
 190         int cnt;
 191         ssize_t ret;
 192         const size_t bufsz = 100 +
 193                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 194         buf = kzalloc(bufsz, GFP_KERNEL);
 195         if (!buf)
 196                 return -ENOMEM;
 197
 198         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 199         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 200                 pos += scnprintf(buf + pos, bufsz - pos,
 201                                  "\t%25s\t\t: %u\n",
 202                                  get_mgmt_string(cnt),
 203                                  priv->rx_stats.mgmt[cnt]);
 204         }
 205         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 206         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 207                 pos += scnprintf(buf + pos, bufsz - pos,
 208                                  "\t%25s\t\t: %u\n",
 209                                  get_ctrl_string(cnt),
 210                                  priv->rx_stats.ctrl[cnt]);
 211         }
 212         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 213         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 214                          priv->rx_stats.data_cnt);
 215         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 216                          priv->rx_stats.data_bytes);
 217
 218         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 219         kfree(buf);
 220         return ret;
 221 }
 222
 223 #define BYTE1_MASK 0x000000ff;
 224 #define BYTE2_MASK 0x0000ffff;
 225 #define BYTE3_MASK 0x00ffffff;
 226 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 227                                         char __user *user_buf,
 228                                         size_t count, loff_t *ppos)
 229 {
 230         u32 val;
 231         char *buf;
 232         ssize_t ret;
 233         int i;
 234         int pos = 0;
 235         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 236         size_t bufsz;
 237
 238         /* default is to dump the entire data segment */
 239         if (!priv->dbgfs->sram_offset && !priv->dbgfs->sram_len) {
 240                 priv->dbgfs->sram_offset = 0x800000;
 241                 if (priv->ucode_type == UCODE_INIT)
 242                         priv->dbgfs->sram_len = priv->ucode_init_data.len;
 243                 else
 244                         priv->dbgfs->sram_len = priv->ucode_data.len;
 245         }
 246         bufsz =  30 + priv->dbgfs->sram_len * sizeof(char) * 10;
 247         buf = kmalloc(bufsz, GFP_KERNEL);
 248         if (!buf)
 249                 return -ENOMEM;
 250         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 251                         priv->dbgfs->sram_len);
 252         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 253                         priv->dbgfs->sram_offset);
 254         for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
 255                 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
 256                                         priv->dbgfs->sram_len - i);
 257                 if (i < 4) {
 258                         switch (i) {
 259                         case 1:
 260                                 val &= BYTE1_MASK;
 261                                 break;
 262                         case 2:
 263                                 val &= BYTE2_MASK;
 264                                 break;
 265                         case 3:
 266                                 val &= BYTE3_MASK;
 267                                 break;
 268                         }
 269                 }
 270                 if (!(i % 16))
 271                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 272                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
 273         }
 274         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 275
 276         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 277         kfree(buf);
 278         return ret;
 279 }
 280
 281 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 282                                         const char __user *user_buf,
 283                                         size_t count, loff_t *ppos)
 284 {
 285         struct iwl_priv *priv = file->private_data;
 286         char buf[64];
 287         int buf_size;
 288         u32 offset, len;
 289
 290         memset(buf, 0, sizeof(buf));
 291         buf_size = min(count, sizeof(buf) -  1);
 292         if (copy_from_user(buf, user_buf, buf_size))
 293                 return -EFAULT;
 294
 295         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 296                 priv->dbgfs->sram_offset = offset;
 297                 priv->dbgfs->sram_len = len;
 298         } else {
 299                 priv->dbgfs->sram_offset = 0;
 300                 priv->dbgfs->sram_len = 0;
 301         }
 302
 303         return count;
 304 }
 305
 306 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 307                                         size_t count, loff_t *ppos)
 308 {
 309         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 310         struct iwl_station_entry *station;
 311         int max_sta = priv->hw_params.max_stations;
 312         char *buf;
 313         int i, j, pos = 0;
 314         ssize_t ret;
 315         /* Add 30 for initial string */
 316         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 317
 318         buf = kmalloc(bufsz, GFP_KERNEL);
 319         if (!buf)
 320                 return -ENOMEM;
 321
 322         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 323                         priv->num_stations);
 324
 325         for (i = 0; i < max_sta; i++) {
 326                 station = &priv->stations[i];
 327                 if (station->used) {
 328                         pos += scnprintf(buf + pos, bufsz - pos,
 329                                         "station %d:\ngeneral data:\n", i+1);
 330                         pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
 331                                         station->sta.sta.sta_id);
 332                         pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
 333                                         station->sta.mode);
 334                         pos += scnprintf(buf + pos, bufsz - pos,
 335                                         "flags: 0x%x\n",
 336                                         station->sta.station_flags_msk);
 337                         pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
 338                         pos += scnprintf(buf + pos, bufsz - pos,
 339                                         "seq_num\t\ttxq_id");
 340                         pos += scnprintf(buf + pos, bufsz - pos,
 341                                         "\tframe_count\twait_for_ba\t");
 342                         pos += scnprintf(buf + pos, bufsz - pos,
 343                                         "start_idx\tbitmap0\t");
 344                         pos += scnprintf(buf + pos, bufsz - pos,
 345                                         "bitmap1\trate_n_flags");
 346                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 347
 348                         for (j = 0; j < MAX_TID_COUNT; j++) {
 349                                 pos += scnprintf(buf + pos, bufsz - pos,
 350                                                 "[%d]:\t\t%u", j,
 351                                                 station->tid[j].seq_number);
 352                                 pos += scnprintf(buf + pos, bufsz - pos,
 353                                                 "\t%u\t\t%u\t\t%u\t\t",
 354                                                 station->tid[j].agg.txq_id,
 355                                                 station->tid[j].agg.frame_count,
 356                                                 station->tid[j].agg.wait_for_ba);
 357                                 pos += scnprintf(buf + pos, bufsz - pos,
 358                                                 "%u\t%llu\t%u",
 359                                                 station->tid[j].agg.start_idx,
 360                                                 (unsigned long long)station->tid[j].agg.bitmap,
 361                                                 station->tid[j].agg.rate_n_flags);
 362                                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 363                         }
 364                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 365                 }
 366         }
 367
 368         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 369         kfree(buf);
 370         return ret;
 371 }
 372
 373 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 374                                        char __user *user_buf,
 375                                        size_t count,
 376                                        loff_t *ppos)
 377 {
 378         ssize_t ret;
 379         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 380         int pos = 0, ofs = 0, buf_size = 0;
 381         const u8 *ptr;
 382         char *buf;
 383         u16 eeprom_ver;
 384         size_t eeprom_len = priv->cfg->eeprom_size;
 385         buf_size = 4 * eeprom_len + 256;
 386
 387         if (eeprom_len % 16) {
 388                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 389                 return -ENODATA;
 390         }
 391
 392         ptr = priv->eeprom;
 393         if (!ptr) {
 394                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 395                 return -ENOMEM;
 396         }
 397
 398         /* 4 characters for byte 0xYY */
 399         buf = kzalloc(buf_size, GFP_KERNEL);
 400         if (!buf) {
 401                 IWL_ERR(priv, "Can not allocate Buffer\n");
 402                 return -ENOMEM;
 403         }
 404         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 405         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 406                         "version: 0x%x\n",
 407                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 408                          ? "OTP" : "EEPROM", eeprom_ver);
 409         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 410                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 411                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 412                                    buf_size - pos, 0);
 413                 pos += strlen(buf + pos);
 414                 if (buf_size - pos > 0)
 415                         buf[pos++] = '\n';
 416         }
 417
 418         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 419         kfree(buf);
 420         return ret;
 421 }
 422
 423 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
 424                                         const char __user *user_buf,
 425                                         size_t count, loff_t *ppos)
 426 {
 427         struct iwl_priv *priv = file->private_data;
 428         u32 event_log_flag;
 429         char buf[8];
 430         int buf_size;
 431
 432         memset(buf, 0, sizeof(buf));
 433         buf_size = min(count, sizeof(buf) -  1);
 434         if (copy_from_user(buf, user_buf, buf_size))
 435                 return -EFAULT;
 436         if (sscanf(buf, "%d", &event_log_flag) != 1)
 437                 return -EFAULT;
 438         if (event_log_flag == 1)
 439                 priv->cfg->ops->lib->dump_nic_event_log(priv, true);
 440
 441         return count;
 442 }
 443
 444
 445
 446 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 447                                        size_t count, loff_t *ppos)
 448 {
 449         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 450         struct ieee80211_channel *channels = NULL;
 451         const struct ieee80211_supported_band *supp_band = NULL;
 452         int pos = 0, i, bufsz = PAGE_SIZE;
 453         char *buf;
 454         ssize_t ret;
 455
 456         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 457                 return -EAGAIN;
 458
 459         buf = kzalloc(bufsz, GFP_KERNEL);
 460         if (!buf) {
 461                 IWL_ERR(priv, "Can not allocate Buffer\n");
 462                 return -ENOMEM;
 463         }
 464
 465         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 466         if (supp_band) {
 467                 channels = supp_band->channels;
 468
 469                 pos += scnprintf(buf + pos, bufsz - pos,
 470                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 471                                 supp_band->n_channels);
 472
 473                 for (i = 0; i < supp_band->n_channels; i++)
 474                         pos += scnprintf(buf + pos, bufsz - pos,
 475                                         "%d: %ddBm: BSS%s%s, %s.\n",
 476                                         ieee80211_frequency_to_channel(
 477                                         channels[i].center_freq),
 478                                         channels[i].max_power,
 479                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 480                                         " (IEEE 802.11h required)" : "",
 481                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 482                                         || (channels[i].flags &
 483                                         IEEE80211_CHAN_RADAR)) ? "" :
 484                                         ", IBSS",
 485                                         channels[i].flags &
 486                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 487                                         "passive only" : "active/passive");
 488         }
 489         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 490         if (supp_band) {
 491                 channels = supp_band->channels;
 492
 493                 pos += scnprintf(buf + pos, bufsz - pos,
 494                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 495                                 supp_band->n_channels);
 496
 497                 for (i = 0; i < supp_band->n_channels; i++)
 498                         pos += scnprintf(buf + pos, bufsz - pos,
 499                                         "%d: %ddBm: BSS%s%s, %s.\n",
 500                                         ieee80211_frequency_to_channel(
 501                                         channels[i].center_freq),
 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 = (struct iwl_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->status));
 529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
 530                 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
 531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
 532                 test_bit(STATUS_INT_ENABLED, &priv->status));
 533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 534                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 536                 test_bit(STATUS_CT_KILL, &priv->status));
 537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
 538                 test_bit(STATUS_INIT, &priv->status));
 539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 540                 test_bit(STATUS_ALIVE, &priv->status));
 541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 542                 test_bit(STATUS_READY, &priv->status));
 543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 544                 test_bit(STATUS_TEMPERATURE, &priv->status));
 545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 546                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 548                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 550                 test_bit(STATUS_STATISTICS, &priv->status));
 551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 552                 test_bit(STATUS_SCANNING, &priv->status));
 553         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 554                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 555         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 556                 test_bit(STATUS_SCAN_HW, &priv->status));
 557         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 558                 test_bit(STATUS_POWER_PMI, &priv->status));
 559         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 560                 test_bit(STATUS_FW_ERROR, &priv->status));
 561         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
 562                 test_bit(STATUS_MODE_PENDING, &priv->status));
 563         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 564 }
 565
 566 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 567                                         char __user *user_buf,
 568                                         size_t count, loff_t *ppos) {
 569
 570         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 571         int pos = 0;
 572         int cnt = 0;
 573         char *buf;
 574         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 575         ssize_t ret;
 576
 577         buf = kzalloc(bufsz, GFP_KERNEL);
 578         if (!buf) {
 579                 IWL_ERR(priv, "Can not allocate Buffer\n");
 580                 return -ENOMEM;
 581         }
 582
 583         pos += scnprintf(buf + pos, bufsz - pos,
 584                         "Interrupt Statistics Report:\n");
 585
 586         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
 587                 priv->isr_stats.hw);
 588         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
 589                 priv->isr_stats.sw);
 590         if (priv->isr_stats.sw > 0) {
 591                 pos += scnprintf(buf + pos, bufsz - pos,
 592                         "\tLast Restarting Code:  0x%X\n",
 593                         priv->isr_stats.sw_err);
 594         }
 595 #ifdef CONFIG_IWLWIFI_DEBUG
 596         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
 597                 priv->isr_stats.sch);
 598         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
 599                 priv->isr_stats.alive);
 600 #endif
 601         pos += scnprintf(buf + pos, bufsz - pos,
 602                 "HW RF KILL switch toggled:\t %u\n",
 603                 priv->isr_stats.rfkill);
 604
 605         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
 606                 priv->isr_stats.ctkill);
 607
 608         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
 609                 priv->isr_stats.wakeup);
 610
 611         pos += scnprintf(buf + pos, bufsz - pos,
 612                 "Rx command responses:\t\t %u\n",
 613                 priv->isr_stats.rx);
 614         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 615                 if (priv->isr_stats.rx_handlers[cnt] > 0)
 616                         pos += scnprintf(buf + pos, bufsz - pos,
 617                                 "\tRx handler[%36s]:\t\t %u\n",
 618                                 get_cmd_string(cnt),
 619                                 priv->isr_stats.rx_handlers[cnt]);
 620         }
 621
 622         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
 623                 priv->isr_stats.tx);
 624
 625         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
 626                 priv->isr_stats.unhandled);
 627
 628         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 629         kfree(buf);
 630         return ret;
 631 }
 632
 633 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 634                                          const char __user *user_buf,
 635                                          size_t count, loff_t *ppos)
 636 {
 637         struct iwl_priv *priv = file->private_data;
 638         char buf[8];
 639         int buf_size;
 640         u32 reset_flag;
 641
 642         memset(buf, 0, sizeof(buf));
 643         buf_size = min(count, sizeof(buf) -  1);
 644         if (copy_from_user(buf, user_buf, buf_size))
 645                 return -EFAULT;
 646         if (sscanf(buf, "%x", &reset_flag) != 1)
 647                 return -EFAULT;
 648         if (reset_flag == 0)
 649                 iwl_clear_isr_stats(priv);
 650
 651         return count;
 652 }
 653
 654 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 655                                        size_t count, loff_t *ppos)
 656 {
 657         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 658         int pos = 0, i;
 659         char buf[256];
 660         const size_t bufsz = sizeof(buf);
 661         ssize_t ret;
 662
 663         for (i = 0; i < AC_NUM; i++) {
 664                 pos += scnprintf(buf + pos, bufsz - pos,
 665                         "\tcw_min\tcw_max\taifsn\ttxop\n");
 666                 pos += scnprintf(buf + pos, bufsz - pos,
 667                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 668                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
 669                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
 670                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
 671                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
 672         }
 673         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 674         return ret;
 675 }
 676
 677 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 678                                   size_t count, loff_t *ppos)
 679 {
 680         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 681         int pos = 0;
 682         char buf[256];
 683         const size_t bufsz = sizeof(buf);
 684         ssize_t ret;
 685
 686         pos += scnprintf(buf + pos, bufsz - pos,
 687                          "allow blinking: %s\n",
 688                          (priv->allow_blinking) ? "True" : "False");
 689         if (priv->allow_blinking) {
 690                 pos += scnprintf(buf + pos, bufsz - pos,
 691                                  "Led blinking rate: %u\n",
 692                                  priv->last_blink_rate);
 693                 pos += scnprintf(buf + pos, bufsz - pos,
 694                                  "Last blink time: %lu\n",
 695                                  priv->last_blink_time);
 696         }
 697
 698         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 699         return ret;
 700 }
 701
 702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 703                                 char __user *user_buf,
 704                                 size_t count, loff_t *ppos)
 705 {
 706         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 707         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 708         struct iwl_tt_restriction *restriction;
 709         char buf[100];
 710         int pos = 0;
 711         const size_t bufsz = sizeof(buf);
 712         ssize_t ret;
 713
 714         pos += scnprintf(buf + pos, bufsz - pos,
 715                         "Thermal Throttling Mode: %s\n",
 716                         tt->advanced_tt ? "Advance" : "Legacy");
 717         pos += scnprintf(buf + pos, bufsz - pos,
 718                         "Thermal Throttling State: %d\n",
 719                         tt->state);
 720         if (tt->advanced_tt) {
 721                 restriction = tt->restriction + tt->state;
 722                 pos += scnprintf(buf + pos, bufsz - pos,
 723                                 "Tx mode: %d\n",
 724                                 restriction->tx_stream);
 725                 pos += scnprintf(buf + pos, bufsz - pos,
 726                                 "Rx mode: %d\n",
 727                                 restriction->rx_stream);
 728                 pos += scnprintf(buf + pos, bufsz - pos,
 729                                 "HT mode: %d\n",
 730                                 restriction->is_ht);
 731         }
 732         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 733         return ret;
 734 }
 735
 736 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 737                                          const char __user *user_buf,
 738                                          size_t count, loff_t *ppos)
 739 {
 740         struct iwl_priv *priv = file->private_data;
 741         char buf[8];
 742         int buf_size;
 743         int ht40;
 744
 745         memset(buf, 0, sizeof(buf));
 746         buf_size = min(count, sizeof(buf) -  1);
 747         if (copy_from_user(buf, user_buf, buf_size))
 748                 return -EFAULT;
 749         if (sscanf(buf, "%d", &ht40) != 1)
 750                 return -EFAULT;
 751         if (!iwl_is_associated(priv))
 752                 priv->disable_ht40 = ht40 ? true : false;
 753         else {
 754                 IWL_ERR(priv, "Sta associated with AP - "
 755                         "Change to 40MHz channel support is not allowed\n");
 756                 return -EINVAL;
 757         }
 758
 759         return count;
 760 }
 761
 762 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 763                                          char __user *user_buf,
 764                                          size_t count, loff_t *ppos)
 765 {
 766         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 767         char buf[100];
 768         int pos = 0;
 769         const size_t bufsz = sizeof(buf);
 770         ssize_t ret;
 771
 772         pos += scnprintf(buf + pos, bufsz - pos,
 773                         "11n 40MHz Mode: %s\n",
 774                         priv->disable_ht40 ? "Disabled" : "Enabled");
 775         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 776         return ret;
 777 }
 778
 779 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 780                                                     const char __user *user_buf,
 781                                                     size_t count, loff_t *ppos)
 782 {
 783         struct iwl_priv *priv = file->private_data;
 784         char buf[8];
 785         int buf_size;
 786         int value;
 787
 788         memset(buf, 0, sizeof(buf));
 789         buf_size = min(count, sizeof(buf) -  1);
 790         if (copy_from_user(buf, user_buf, buf_size))
 791                 return -EFAULT;
 792
 793         if (sscanf(buf, "%d", &value) != 1)
 794                 return -EINVAL;
 795
 796         /*
 797          * Our users expect 0 to be "CAM", but 0 isn't actually
 798          * valid here. However, let's not confuse them and present
 799          * IWL_POWER_INDEX_1 as "1", not "0".
 800          */
 801         if (value == 0)
 802                 return -EINVAL;
 803         else if (value > 0)
 804                 value -= 1;
 805
 806         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 807                 return -EINVAL;
 808
 809         if (!iwl_is_ready_rf(priv))
 810                 return -EAGAIN;
 811
 812         priv->power_data.debug_sleep_level_override = value;
 813
 814         iwl_power_update_mode(priv, true);
 815
 816         return count;
 817 }
 818
 819 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 820                                                    char __user *user_buf,
 821                                                    size_t count, loff_t *ppos)
 822 {
 823         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 824         char buf[10];
 825         int pos, value;
 826         const size_t bufsz = sizeof(buf);
 827
 828         /* see the write function */
 829         value = priv->power_data.debug_sleep_level_override;
 830         if (value >= 0)
 831                 value += 1;
 832
 833         pos = scnprintf(buf, bufsz, "%d\n", value);
 834         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 835 }
 836
 837 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 838                                                     char __user *user_buf,
 839                                                     size_t count, loff_t *ppos)
 840 {
 841         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 842         char buf[200];
 843         int pos = 0, i;
 844         const size_t bufsz = sizeof(buf);
 845         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 846
 847         pos += scnprintf(buf + pos, bufsz - pos,
 848                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 849         pos += scnprintf(buf + pos, bufsz - pos,
 850                          "RX/TX timeout: %d/%d usec\n",
 851                          le32_to_cpu(cmd->rx_data_timeout),
 852                          le32_to_cpu(cmd->tx_data_timeout));
 853         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 854                 pos += scnprintf(buf + pos, bufsz - pos,
 855                                  "sleep_interval[%d]: %d\n", i,
 856                                  le32_to_cpu(cmd->sleep_interval[i]));
 857
 858         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 859 }
 860
 861 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 862 DEBUGFS_WRITE_FILE_OPS(log_event);
 863 DEBUGFS_READ_FILE_OPS(nvm);
 864 DEBUGFS_READ_FILE_OPS(stations);
 865 DEBUGFS_READ_FILE_OPS(channels);
 866 DEBUGFS_READ_FILE_OPS(status);
 867 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 868 DEBUGFS_READ_FILE_OPS(qos);
 869 DEBUGFS_READ_FILE_OPS(led);
 870 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 871 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 872 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 873 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 874
 875 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 876                                          char __user *user_buf,
 877                                          size_t count, loff_t *ppos)
 878 {
 879         struct iwl_priv *priv = file->private_data;
 880         int pos = 0, ofs = 0;
 881         int cnt = 0, entry;
 882         struct iwl_tx_queue *txq;
 883         struct iwl_queue *q;
 884         struct iwl_rx_queue *rxq = &priv->rxq;
 885         char *buf;
 886         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 887                 (priv->cfg->num_of_queues * 32 * 8) + 400;
 888         const u8 *ptr;
 889         ssize_t ret;
 890
 891         if (!priv->txq) {
 892                 IWL_ERR(priv, "txq not ready\n");
 893                 return -EAGAIN;
 894         }
 895         buf = kzalloc(bufsz, GFP_KERNEL);
 896         if (!buf) {
 897                 IWL_ERR(priv, "Can not allocate buffer\n");
 898                 return -ENOMEM;
 899         }
 900         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 901         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 902                 txq = &priv->txq[cnt];
 903                 q = &txq->q;
 904                 pos += scnprintf(buf + pos, bufsz - pos,
 905                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 906                                 cnt, q->read_ptr, q->write_ptr);
 907         }
 908         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 909                 ptr = priv->tx_traffic;
 910                 pos += scnprintf(buf + pos, bufsz - pos,
 911                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 912                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 913                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 914                              entry++,  ofs += 16) {
 915                                 pos += scnprintf(buf + pos, bufsz - pos,
 916                                                 "0x%.4x ", ofs);
 917                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 918                                                    buf + pos, bufsz - pos, 0);
 919                                 pos += strlen(buf + pos);
 920                                 if (bufsz - pos > 0)
 921                                         buf[pos++] = '\n';
 922                         }
 923                 }
 924         }
 925
 926         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 927         pos += scnprintf(buf + pos, bufsz - pos,
 928                         "read: %u, write: %u\n",
 929                          rxq->read, rxq->write);
 930
 931         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 932                 ptr = priv->rx_traffic;
 933                 pos += scnprintf(buf + pos, bufsz - pos,
 934                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 935                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 936                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 937                              entry++,  ofs += 16) {
 938                                 pos += scnprintf(buf + pos, bufsz - pos,
 939                                                 "0x%.4x ", ofs);
 940                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 941                                                    buf + pos, bufsz - pos, 0);
 942                                 pos += strlen(buf + pos);
 943                                 if (bufsz - pos > 0)
 944                                         buf[pos++] = '\n';
 945                         }
 946                 }
 947         }
 948
 949         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 950         kfree(buf);
 951         return ret;
 952 }
 953
 954 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 955                                          const char __user *user_buf,
 956                                          size_t count, loff_t *ppos)
 957 {
 958         struct iwl_priv *priv = file->private_data;
 959         char buf[8];
 960         int buf_size;
 961         int traffic_log;
 962
 963         memset(buf, 0, sizeof(buf));
 964         buf_size = min(count, sizeof(buf) -  1);
 965         if (copy_from_user(buf, user_buf, buf_size))
 966                 return -EFAULT;
 967         if (sscanf(buf, "%d", &traffic_log) != 1)
 968                 return -EFAULT;
 969         if (traffic_log == 0)
 970                 iwl_reset_traffic_log(priv);
 971
 972         return count;
 973 }
 974
 975 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 976                                                 char __user *user_buf,
 977                                                 size_t count, loff_t *ppos) {
 978
 979         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 980         struct iwl_tx_queue *txq;
 981         struct iwl_queue *q;
 982         char *buf;
 983         int pos = 0;
 984         int cnt;
 985         int ret;
 986         const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
 987
 988         if (!priv->txq) {
 989                 IWL_ERR(priv, "txq not ready\n");
 990                 return -EAGAIN;
 991         }
 992         buf = kzalloc(bufsz, GFP_KERNEL);
 993         if (!buf)
 994                 return -ENOMEM;
 995
 996         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 997                 txq = &priv->txq[cnt];
 998                 q = &txq->q;
 999                 pos += scnprintf(buf + pos, bufsz - pos,
1000                                 "hwq %.2d: read=%u write=%u stop=%d"
1001                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
1002                                 cnt, q->read_ptr, q->write_ptr,
1003                                 !!test_bit(cnt, priv->queue_stopped),
1004                                 txq->swq_id,
1005                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1006                                 txq->swq_id,
1007                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1008                                 0x1f : txq->swq_id);
1009                 if (cnt >= 4)
1010                         continue;
1011                 /* for the ACs, display the stop count too */
1012                 pos += scnprintf(buf + pos, bufsz - pos,
1013                                 "        stop-count: %d\n",
1014                                 atomic_read(&priv->queue_stop_count[cnt]));
1015         }
1016         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1017         kfree(buf);
1018         return ret;
1019 }
1020
1021 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1022                                                 char __user *user_buf,
1023                                                 size_t count, loff_t *ppos) {
1024
1025         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1026         struct iwl_rx_queue *rxq = &priv->rxq;
1027         char buf[256];
1028         int pos = 0;
1029         const size_t bufsz = sizeof(buf);
1030
1031         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1032                                                 rxq->read);
1033         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1034                                                 rxq->write);
1035         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1036                                                 rxq->free_count);
1037         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1038                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1039         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040 }
1041
1042 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1043                                      int bufsz)
1044 {
1045         int p = 0;
1046
1047         p += scnprintf(buf + p, bufsz - p,
1048                 "Statistics Flag(0x%X):\n",
1049                 le32_to_cpu(priv->statistics.flag));
1050         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1051                 p += scnprintf(buf + p, bufsz - p,
1052                 "\tStatistics have been cleared\n");
1053         p += scnprintf(buf + p, bufsz - p,
1054                 "\tOperational Frequency: %s\n",
1055                 (le32_to_cpu(priv->statistics.flag) &
1056                 UCODE_STATISTICS_FREQUENCY_MSK)
1057                  ? "2.4 GHz" : "5.2 GHz");
1058         p += scnprintf(buf + p, bufsz - p,
1059                 "\tTGj Narrow Band: %s\n",
1060                 (le32_to_cpu(priv->statistics.flag) &
1061                 UCODE_STATISTICS_NARROW_BAND_MSK)
1062                  ? "enabled" : "disabled");
1063         return p;
1064 }
1065
1066
1067 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1068                                         char __user *user_buf,
1069                                         size_t count, loff_t *ppos)
1070 {
1071         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1072         int pos = 0;
1073         char *buf;
1074         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1075                 sizeof(struct statistics_rx_non_phy) * 20 +
1076                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1077         ssize_t ret;
1078         struct statistics_rx_phy *ofdm, *accum_ofdm;
1079         struct statistics_rx_phy *cck, *accum_cck;
1080         struct statistics_rx_non_phy *general, *accum_general;
1081         struct statistics_rx_ht_phy *ht, *accum_ht;
1082
1083         if (!iwl_is_alive(priv))
1084                 return -EAGAIN;
1085
1086         /* make request to uCode to retrieve statistics information */
1087         mutex_lock(&priv->mutex);
1088         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1089         mutex_unlock(&priv->mutex);
1090
1091         if (ret) {
1092                 IWL_ERR(priv,
1093                         "Error sending statistics request: %zd\n", ret);
1094                 return -EAGAIN;
1095         }
1096         buf = kzalloc(bufsz, GFP_KERNEL);
1097         if (!buf) {
1098                 IWL_ERR(priv, "Can not allocate Buffer\n");
1099                 return -ENOMEM;
1100         }
1101
1102         /* the statistic information display here is based on
1103          * the last statistics notification from uCode
1104          * might not reflect the current uCode activity
1105          */
1106         ofdm = &priv->statistics.rx.ofdm;
1107         cck = &priv->statistics.rx.cck;
1108         general = &priv->statistics.rx.general;
1109         ht = &priv->statistics.rx.ofdm_ht;
1110         accum_ofdm = &priv->accum_statistics.rx.ofdm;
1111         accum_cck = &priv->accum_statistics.rx.cck;
1112         accum_general = &priv->accum_statistics.rx.general;
1113         accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1114         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1115         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1116         pos += scnprintf(buf + pos, bufsz - pos,
1117                         "\t\t\tcurrent\t\t\taccumulative\n");
1118         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1119                          le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
1120         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1121                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
1122         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1123                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
1124         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1125                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
1126         pos += scnprintf(buf + pos, bufsz - pos,
1127                          "overrun_err:\t\t%u\t\t\t%u\n",
1128                          le32_to_cpu(ofdm->overrun_err),
1129                          accum_ofdm->overrun_err);
1130         pos += scnprintf(buf + pos, bufsz - pos,
1131                          "early_overrun_err:\t%u\t\t\t%u\n",
1132                          le32_to_cpu(ofdm->early_overrun_err),
1133                          accum_ofdm->early_overrun_err);
1134         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1135                          le32_to_cpu(ofdm->crc32_good),
1136                          accum_ofdm->crc32_good);
1137         pos += scnprintf(buf + pos, bufsz - pos,
1138                          "false_alarm_cnt:\t%u\t\t\t%u\n",
1139                          le32_to_cpu(ofdm->false_alarm_cnt),
1140                          accum_ofdm->false_alarm_cnt);
1141         pos += scnprintf(buf + pos, bufsz - pos,
1142                          "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1143                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1144                          accum_ofdm->fina_sync_err_cnt);
1145         pos += scnprintf(buf + pos, bufsz - pos,
1146                          "sfd_timeout:\t\t%u\t\t\t%u\n",
1147                          le32_to_cpu(ofdm->sfd_timeout),
1148                          accum_ofdm->sfd_timeout);
1149         pos += scnprintf(buf + pos, bufsz - pos,
1150                          "fina_timeout:\t\t%u\t\t\t%u\n",
1151                          le32_to_cpu(ofdm->fina_timeout),
1152                          accum_ofdm->fina_timeout);
1153         pos += scnprintf(buf + pos, bufsz - pos,
1154                          "unresponded_rts:\t%u\t\t\t%u\n",
1155                          le32_to_cpu(ofdm->unresponded_rts),
1156                          accum_ofdm->unresponded_rts);
1157         pos += scnprintf(buf + pos, bufsz - pos,
1158                         "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1159                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1160                          accum_ofdm->rxe_frame_limit_overrun);
1161         pos += scnprintf(buf + pos, bufsz - pos,
1162                          "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1163                          le32_to_cpu(ofdm->sent_ack_cnt),
1164                          accum_ofdm->sent_ack_cnt);
1165         pos += scnprintf(buf + pos, bufsz - pos,
1166                          "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1167                          le32_to_cpu(ofdm->sent_cts_cnt),
1168                          accum_ofdm->sent_cts_cnt);
1169         pos += scnprintf(buf + pos, bufsz - pos,
1170                          "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1171                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1172                          accum_ofdm->sent_ba_rsp_cnt);
1173         pos += scnprintf(buf + pos, bufsz - pos,
1174                          "dsp_self_kill:\t\t%u\t\t\t%u\n",
1175                          le32_to_cpu(ofdm->dsp_self_kill),
1176                          accum_ofdm->dsp_self_kill);
1177         pos += scnprintf(buf + pos, bufsz - pos,
1178                          "mh_format_err:\t\t%u\t\t\t%u\n",
1179                          le32_to_cpu(ofdm->mh_format_err),
1180                          accum_ofdm->mh_format_err);
1181         pos += scnprintf(buf + pos, bufsz - pos,
1182                          "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1183                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1184                          accum_ofdm->re_acq_main_rssi_sum);
1185
1186         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1187         pos += scnprintf(buf + pos, bufsz - pos,
1188                         "\t\t\tcurrent\t\t\taccumulative\n");
1189         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1190                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
1191         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1192                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
1193         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1194                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
1195         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1196                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
1197         pos += scnprintf(buf + pos, bufsz - pos,
1198                          "overrun_err:\t\t%u\t\t\t%u\n",
1199                          le32_to_cpu(cck->overrun_err),
1200                          accum_cck->overrun_err);
1201         pos += scnprintf(buf + pos, bufsz - pos,
1202                          "early_overrun_err:\t%u\t\t\t%u\n",
1203                          le32_to_cpu(cck->early_overrun_err),
1204                          accum_cck->early_overrun_err);
1205         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1206                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
1207         pos += scnprintf(buf + pos, bufsz - pos,
1208                          "false_alarm_cnt:\t%u\t\t\t%u\n",
1209                          le32_to_cpu(cck->false_alarm_cnt),
1210                          accum_cck->false_alarm_cnt);
1211         pos += scnprintf(buf + pos, bufsz - pos,
1212                          "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1213                          le32_to_cpu(cck->fina_sync_err_cnt),
1214                          accum_cck->fina_sync_err_cnt);
1215         pos += scnprintf(buf + pos, bufsz - pos,
1216                          "sfd_timeout:\t\t%u\t\t\t%u\n",
1217                          le32_to_cpu(cck->sfd_timeout),
1218                          accum_cck->sfd_timeout);
1219         pos += scnprintf(buf + pos, bufsz - pos,
1220                          "fina_timeout:\t\t%u\t\t\t%u\n",
1221                          le32_to_cpu(cck->fina_timeout),
1222                          accum_cck->fina_timeout);
1223         pos += scnprintf(buf + pos, bufsz - pos,
1224                          "unresponded_rts:\t%u\t\t\t%u\n",
1225                          le32_to_cpu(cck->unresponded_rts),
1226                          accum_cck->unresponded_rts);
1227         pos += scnprintf(buf + pos, bufsz - pos,
1228                         "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1229                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1230                          accum_cck->rxe_frame_limit_overrun);
1231         pos += scnprintf(buf + pos, bufsz - pos,
1232                          "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1233                          le32_to_cpu(cck->sent_ack_cnt),
1234                          accum_cck->sent_ack_cnt);
1235         pos += scnprintf(buf + pos, bufsz - pos,
1236                          "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1237                          le32_to_cpu(cck->sent_cts_cnt),
1238                          accum_cck->sent_cts_cnt);
1239         pos += scnprintf(buf + pos, bufsz - pos,
1240                          "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1241                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1242                          accum_cck->sent_ba_rsp_cnt);
1243         pos += scnprintf(buf + pos, bufsz - pos,
1244                          "dsp_self_kill:\t\t%u\t\t\t%u\n",
1245                          le32_to_cpu(cck->dsp_self_kill),
1246                          accum_cck->dsp_self_kill);
1247         pos += scnprintf(buf + pos, bufsz - pos,
1248                          "mh_format_err:\t\t%u\t\t\t%u\n",
1249                          le32_to_cpu(cck->mh_format_err),
1250                          accum_cck->mh_format_err);
1251         pos += scnprintf(buf + pos, bufsz - pos,
1252                          "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1253                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1254                          accum_cck->re_acq_main_rssi_sum);
1255
1256         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1257         pos += scnprintf(buf + pos, bufsz - pos,
1258                         "\t\t\tcurrent\t\t\taccumulative\n");
1259         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
1260                          le32_to_cpu(general->bogus_cts),
1261                          accum_general->bogus_cts);
1262         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
1263                          le32_to_cpu(general->bogus_ack),
1264                          accum_general->bogus_ack);
1265         pos += scnprintf(buf + pos, bufsz - pos,
1266                          "non_bssid_frames:\t%u\t\t\t%u\n",
1267                          le32_to_cpu(general->non_bssid_frames),
1268                          accum_general->non_bssid_frames);
1269         pos += scnprintf(buf + pos, bufsz - pos,
1270                          "filtered_frames:\t%u\t\t\t%u\n",
1271                          le32_to_cpu(general->filtered_frames),
1272                          accum_general->filtered_frames);
1273         pos += scnprintf(buf + pos, bufsz - pos,
1274                          "non_channel_beacons:\t%u\t\t\t%u\n",
1275                          le32_to_cpu(general->non_channel_beacons),
1276                          accum_general->non_channel_beacons);
1277         pos += scnprintf(buf + pos, bufsz - pos,
1278                          "channel_beacons:\t%u\t\t\t%u\n",
1279                          le32_to_cpu(general->channel_beacons),
1280                          accum_general->channel_beacons);
1281         pos += scnprintf(buf + pos, bufsz - pos,
1282                          "num_missed_bcon:\t%u\t\t\t%u\n",
1283                          le32_to_cpu(general->num_missed_bcon),
1284                          accum_general->num_missed_bcon);
1285         pos += scnprintf(buf + pos, bufsz - pos,
1286                         "adc_rx_saturation_time:\t%u\t\t\t%u\n",
1287                          le32_to_cpu(general->adc_rx_saturation_time),
1288                          accum_general->adc_rx_saturation_time);
1289         pos += scnprintf(buf + pos, bufsz - pos,
1290                         "ina_detect_search_tm:\t%u\t\t\t%u\n",
1291                          le32_to_cpu(general->ina_detection_search_time),
1292                          accum_general->ina_detection_search_time);
1293         pos += scnprintf(buf + pos, bufsz - pos,
1294                          "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
1295                          le32_to_cpu(general->beacon_silence_rssi_a),
1296                          accum_general->beacon_silence_rssi_a);
1297         pos += scnprintf(buf + pos, bufsz - pos,
1298                          "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
1299                          le32_to_cpu(general->beacon_silence_rssi_b),
1300                          accum_general->beacon_silence_rssi_b);
1301         pos += scnprintf(buf + pos, bufsz - pos,
1302                          "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
1303                          le32_to_cpu(general->beacon_silence_rssi_c),
1304                          accum_general->beacon_silence_rssi_c);
1305         pos += scnprintf(buf + pos, bufsz - pos,
1306                         "interference_data_flag:\t%u\t\t\t%u\n",
1307                          le32_to_cpu(general->interference_data_flag),
1308                          accum_general->interference_data_flag);
1309         pos += scnprintf(buf + pos, bufsz - pos,
1310                          "channel_load:\t\t%u\t\t\t%u\n",
1311                          le32_to_cpu(general->channel_load),
1312                          accum_general->channel_load);
1313         pos += scnprintf(buf + pos, bufsz - pos,
1314                          "dsp_false_alarms:\t%u\t\t\t%u\n",
1315                          le32_to_cpu(general->dsp_false_alarms),
1316                          accum_general->dsp_false_alarms);
1317         pos += scnprintf(buf + pos, bufsz - pos,
1318                          "beacon_rssi_a:\t\t%u\t\t\t%u\n",
1319                          le32_to_cpu(general->beacon_rssi_a),
1320                          accum_general->beacon_rssi_a);
1321         pos += scnprintf(buf + pos, bufsz - pos,
1322                          "beacon_rssi_b:\t\t%u\t\t\t%u\n",
1323                          le32_to_cpu(general->beacon_rssi_b),
1324                          accum_general->beacon_rssi_b);
1325         pos += scnprintf(buf + pos, bufsz - pos,
1326                          "beacon_rssi_c:\t\t%u\t\t\t%u\n",
1327                          le32_to_cpu(general->beacon_rssi_c),
1328                          accum_general->beacon_rssi_c);
1329         pos += scnprintf(buf + pos, bufsz - pos,
1330                          "beacon_energy_a:\t%u\t\t\t%u\n",
1331                          le32_to_cpu(general->beacon_energy_a),
1332                          accum_general->beacon_energy_a);
1333         pos += scnprintf(buf + pos, bufsz - pos,
1334                          "beacon_energy_b:\t%u\t\t\t%u\n",
1335                          le32_to_cpu(general->beacon_energy_b),
1336                          accum_general->beacon_energy_b);
1337         pos += scnprintf(buf + pos, bufsz - pos,
1338                          "beacon_energy_c:\t%u\t\t\t%u\n",
1339                          le32_to_cpu(general->beacon_energy_c),
1340                          accum_general->beacon_energy_c);
1341
1342         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1343         pos += scnprintf(buf + pos, bufsz - pos,
1344                         "\t\t\tcurrent\t\t\taccumulative\n");
1345         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1346                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
1347         pos += scnprintf(buf + pos, bufsz - pos,
1348                          "overrun_err:\t\t%u\t\t\t%u\n",
1349                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
1350         pos += scnprintf(buf + pos, bufsz - pos,
1351                          "early_overrun_err:\t%u\t\t\t%u\n",
1352                          le32_to_cpu(ht->early_overrun_err),
1353                          accum_ht->early_overrun_err);
1354         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1355                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
1356         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1357                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
1358         pos += scnprintf(buf + pos, bufsz - pos,
1359                          "mh_format_err:\t\t%u\t\t\t%u\n",
1360                          le32_to_cpu(ht->mh_format_err),
1361                          accum_ht->mh_format_err);
1362         pos += scnprintf(buf + pos, bufsz - pos,
1363                          "agg_crc32_good:\t\t%u\t\t\t%u\n",
1364                          le32_to_cpu(ht->agg_crc32_good),
1365                          accum_ht->agg_crc32_good);
1366         pos += scnprintf(buf + pos, bufsz - pos,
1367                          "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
1368                          le32_to_cpu(ht->agg_mpdu_cnt),
1369                          accum_ht->agg_mpdu_cnt);
1370         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
1371                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
1372
1373         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1374         kfree(buf);
1375         return ret;
1376 }
1377
1378 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1379                                         char __user *user_buf,
1380                                         size_t count, loff_t *ppos)
1381 {
1382         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1383         int pos = 0;
1384         char *buf;
1385         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1386         ssize_t ret;
1387         struct statistics_tx *tx, *accum_tx;
1388
1389         if (!iwl_is_alive(priv))
1390                 return -EAGAIN;
1391
1392         /* make request to uCode to retrieve statistics information */
1393         mutex_lock(&priv->mutex);
1394         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1395         mutex_unlock(&priv->mutex);
1396
1397         if (ret) {
1398                 IWL_ERR(priv,
1399                         "Error sending statistics request: %zd\n", ret);
1400                 return -EAGAIN;
1401         }
1402         buf = kzalloc(bufsz, GFP_KERNEL);
1403         if (!buf) {
1404                 IWL_ERR(priv, "Can not allocate Buffer\n");
1405                 return -ENOMEM;
1406         }
1407
1408         /* the statistic information display here is based on
1409          * the last statistics notification from uCode
1410          * might not reflect the current uCode activity
1411          */
1412         tx = &priv->statistics.tx;
1413         accum_tx = &priv->accum_statistics.tx;
1414         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1415         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1416         pos += scnprintf(buf + pos, bufsz - pos,
1417                         "\t\t\tcurrent\t\t\taccumulative\n");
1418         pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
1419                          le32_to_cpu(tx->preamble_cnt),
1420                          accum_tx->preamble_cnt);
1421         pos += scnprintf(buf + pos, bufsz - pos,
1422                          "rx_detected_cnt:\t\t%u\t\t\t%u\n",
1423                          le32_to_cpu(tx->rx_detected_cnt),
1424                          accum_tx->rx_detected_cnt);
1425         pos += scnprintf(buf + pos, bufsz - pos,
1426                          "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
1427                          le32_to_cpu(tx->bt_prio_defer_cnt),
1428                          accum_tx->bt_prio_defer_cnt);
1429         pos += scnprintf(buf + pos, bufsz - pos,
1430                          "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
1431                          le32_to_cpu(tx->bt_prio_kill_cnt),
1432                          accum_tx->bt_prio_kill_cnt);
1433         pos += scnprintf(buf + pos, bufsz - pos,
1434                          "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
1435                          le32_to_cpu(tx->few_bytes_cnt),
1436                          accum_tx->few_bytes_cnt);
1437         pos += scnprintf(buf + pos, bufsz - pos,
1438                          "cts_timeout:\t\t\t%u\t\t\t%u\n",
1439                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
1440         pos += scnprintf(buf + pos, bufsz - pos,
1441                          "ack_timeout:\t\t\t%u\t\t\t%u\n",
1442                          le32_to_cpu(tx->ack_timeout),
1443                          accum_tx->ack_timeout);
1444         pos += scnprintf(buf + pos, bufsz - pos,
1445                          "expected_ack_cnt:\t\t%u\t\t\t%u\n",
1446                          le32_to_cpu(tx->expected_ack_cnt),
1447                          accum_tx->expected_ack_cnt);
1448         pos += scnprintf(buf + pos, bufsz - pos,
1449                          "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
1450                          le32_to_cpu(tx->actual_ack_cnt),
1451                          accum_tx->actual_ack_cnt);
1452         pos += scnprintf(buf + pos, bufsz - pos,
1453                          "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
1454                          le32_to_cpu(tx->dump_msdu_cnt),
1455                          accum_tx->dump_msdu_cnt);
1456         pos += scnprintf(buf + pos, bufsz - pos,
1457                          "abort_nxt_frame_mismatch:"
1458                          "\t%u\t\t\t%u\n",
1459                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1460                          accum_tx->burst_abort_next_frame_mismatch_cnt);
1461         pos += scnprintf(buf + pos, bufsz - pos,
1462                          "abort_missing_nxt_frame:"
1463                          "\t%u\t\t\t%u\n",
1464                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1465                          accum_tx->burst_abort_missing_next_frame_cnt);
1466         pos += scnprintf(buf + pos, bufsz - pos,
1467                          "cts_timeout_collision:\t\t%u\t\t\t%u\n",
1468                          le32_to_cpu(tx->cts_timeout_collision),
1469                          accum_tx->cts_timeout_collision);
1470         pos += scnprintf(buf + pos, bufsz - pos,
1471                         "ack_ba_timeout_collision:\t%u\t\t\t%u\n",
1472                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1473                          accum_tx->ack_or_ba_timeout_collision);
1474         pos += scnprintf(buf + pos, bufsz - pos,
1475                          "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
1476                          le32_to_cpu(tx->agg.ba_timeout),
1477                          accum_tx->agg.ba_timeout);
1478         pos += scnprintf(buf + pos, bufsz - pos,
1479                         "agg ba_resched_frames:\t\t%u\t\t\t%u\n",
1480                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1481                          accum_tx->agg.ba_reschedule_frames);
1482         pos += scnprintf(buf + pos, bufsz - pos,
1483                         "agg scd_query_agg_frame:\t%u\t\t\t%u\n",
1484                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1485                          accum_tx->agg.scd_query_agg_frame_cnt);
1486         pos += scnprintf(buf + pos, bufsz - pos,
1487                          "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
1488                          le32_to_cpu(tx->agg.scd_query_no_agg),
1489                          accum_tx->agg.scd_query_no_agg);
1490         pos += scnprintf(buf + pos, bufsz - pos,
1491                          "agg scd_query_agg:\t\t%u\t\t\t%u\n",
1492                          le32_to_cpu(tx->agg.scd_query_agg),
1493                          accum_tx->agg.scd_query_agg);
1494         pos += scnprintf(buf + pos, bufsz - pos,
1495                         "agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
1496                          le32_to_cpu(tx->agg.scd_query_mismatch),
1497                          accum_tx->agg.scd_query_mismatch);
1498         pos += scnprintf(buf + pos, bufsz - pos,
1499                          "agg frame_not_ready:\t\t%u\t\t\t%u\n",
1500                          le32_to_cpu(tx->agg.frame_not_ready),
1501                          accum_tx->agg.frame_not_ready);
1502         pos += scnprintf(buf + pos, bufsz - pos,
1503                          "agg underrun:\t\t\t%u\t\t\t%u\n",
1504                          le32_to_cpu(tx->agg.underrun),
1505                          accum_tx->agg.underrun);
1506         pos += scnprintf(buf + pos, bufsz - pos,
1507                          "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
1508                          le32_to_cpu(tx->agg.bt_prio_kill),
1509                          accum_tx->agg.bt_prio_kill);
1510         pos += scnprintf(buf + pos, bufsz - pos,
1511                          "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
1512                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1513                          accum_tx->agg.rx_ba_rsp_cnt);
1514
1515         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1516         kfree(buf);
1517         return ret;
1518 }
1519
1520 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1521                                         char __user *user_buf,
1522                                         size_t count, loff_t *ppos)
1523 {
1524         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1525         int pos = 0;
1526         char *buf;
1527         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1528         ssize_t ret;
1529         struct statistics_general *general, *accum_general;
1530         struct statistics_dbg *dbg, *accum_dbg;
1531         struct statistics_div *div, *accum_div;
1532
1533         if (!iwl_is_alive(priv))
1534                 return -EAGAIN;
1535
1536         /* make request to uCode to retrieve statistics information */
1537         mutex_lock(&priv->mutex);
1538         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1539         mutex_unlock(&priv->mutex);
1540
1541         if (ret) {
1542                 IWL_ERR(priv,
1543                         "Error sending statistics request: %zd\n", ret);
1544                 return -EAGAIN;
1545         }
1546         buf = kzalloc(bufsz, GFP_KERNEL);
1547         if (!buf) {
1548                 IWL_ERR(priv, "Can not allocate Buffer\n");
1549                 return -ENOMEM;
1550         }
1551
1552         /* the statistic information display here is based on
1553          * the last statistics notification from uCode
1554          * might not reflect the current uCode activity
1555          */
1556         general = &priv->statistics.general;
1557         dbg = &priv->statistics.general.dbg;
1558         div = &priv->statistics.general.div;
1559         accum_general = &priv->accum_statistics.general;
1560         accum_dbg = &priv->accum_statistics.general.dbg;
1561         accum_div = &priv->accum_statistics.general.div;
1562         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1563         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1564         pos += scnprintf(buf + pos, bufsz - pos,
1565                         "\t\t\tcurrent\t\t\taccumulative\n");
1566         pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
1567                          le32_to_cpu(general->temperature));
1568         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
1569                          le32_to_cpu(general->temperature_m));
1570         pos += scnprintf(buf + pos, bufsz - pos,
1571                          "burst_check:\t\t\t%u\t\t\t%u\n",
1572                          le32_to_cpu(dbg->burst_check),
1573                          accum_dbg->burst_check);
1574         pos += scnprintf(buf + pos, bufsz - pos,
1575                          "burst_count:\t\t\t%u\t\t\t%u\n",
1576                          le32_to_cpu(dbg->burst_count),
1577                          accum_dbg->burst_count);
1578         pos += scnprintf(buf + pos, bufsz - pos,
1579                          "sleep_time:\t\t\t%u\t\t\t%u\n",
1580                          le32_to_cpu(general->sleep_time),
1581                          accum_general->sleep_time);
1582         pos += scnprintf(buf + pos, bufsz - pos,
1583                          "slots_out:\t\t\t%u\t\t\t%u\n",
1584                          le32_to_cpu(general->slots_out),
1585                          accum_general->slots_out);
1586         pos += scnprintf(buf + pos, bufsz - pos,
1587                          "slots_idle:\t\t\t%u\t\t\t%u\n",
1588                          le32_to_cpu(general->slots_idle),
1589                          accum_general->slots_idle);
1590         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1591                          le32_to_cpu(general->ttl_timestamp));
1592         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
1593                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
1594         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
1595                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
1596         pos += scnprintf(buf + pos, bufsz - pos,
1597                          "exec_time:\t\t\t%u\t\t\t%u\n",
1598                          le32_to_cpu(div->exec_time), accum_div->exec_time);
1599         pos += scnprintf(buf + pos, bufsz - pos,
1600                          "probe_time:\t\t\t%u\t\t\t%u\n",
1601                          le32_to_cpu(div->probe_time), accum_div->probe_time);
1602         pos += scnprintf(buf + pos, bufsz - pos,
1603                          "rx_enable_counter:\t\t%u\t\t\t%u\n",
1604                          le32_to_cpu(general->rx_enable_counter),
1605                          accum_general->rx_enable_counter);
1606         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1607         kfree(buf);
1608         return ret;
1609 }
1610
1611 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1612                                         char __user *user_buf,
1613                                         size_t count, loff_t *ppos) {
1614
1615         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1616         int pos = 0;
1617         int cnt = 0;
1618         char *buf;
1619         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1620         ssize_t ret;
1621         struct iwl_sensitivity_data *data;
1622
1623         data = &priv->sensitivity_data;
1624         buf = kzalloc(bufsz, GFP_KERNEL);
1625         if (!buf) {
1626                 IWL_ERR(priv, "Can not allocate Buffer\n");
1627                 return -ENOMEM;
1628         }
1629
1630         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1631                         data->auto_corr_ofdm);
1632         pos += scnprintf(buf + pos, bufsz - pos,
1633                         "auto_corr_ofdm_mrc:\t\t %u\n",
1634                         data->auto_corr_ofdm_mrc);
1635         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1636                         data->auto_corr_ofdm_x1);
1637         pos += scnprintf(buf + pos, bufsz - pos,
1638                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1639                         data->auto_corr_ofdm_mrc_x1);
1640         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1641                         data->auto_corr_cck);
1642         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1643                         data->auto_corr_cck_mrc);
1644         pos += scnprintf(buf + pos, bufsz - pos,
1645                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1646                         data->last_bad_plcp_cnt_ofdm);
1647         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1648                         data->last_fa_cnt_ofdm);
1649         pos += scnprintf(buf + pos, bufsz - pos,
1650                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1651                         data->last_bad_plcp_cnt_cck);
1652         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1653                         data->last_fa_cnt_cck);
1654         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1655                         data->nrg_curr_state);
1656         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1657                         data->nrg_prev_state);
1658         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1659         for (cnt = 0; cnt < 10; cnt++) {
1660                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1661                                 data->nrg_value[cnt]);
1662         }
1663         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1664         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1665         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1666                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1667                                 data->nrg_silence_rssi[cnt]);
1668         }
1669         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1670         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1671                         data->nrg_silence_ref);
1672         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1673                         data->nrg_energy_idx);
1674         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1675                         data->nrg_silence_idx);
1676         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1677                         data->nrg_th_cck);
1678         pos += scnprintf(buf + pos, bufsz - pos,
1679                         "nrg_auto_corr_silence_diff:\t %u\n",
1680                         data->nrg_auto_corr_silence_diff);
1681         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1682                         data->num_in_cck_no_fa);
1683         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1684                         data->nrg_th_ofdm);
1685
1686         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687         kfree(buf);
1688         return ret;
1689 }
1690
1691
1692 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1693                                         char __user *user_buf,
1694                                         size_t count, loff_t *ppos) {
1695
1696         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1697         int pos = 0;
1698         int cnt = 0;
1699         char *buf;
1700         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1701         ssize_t ret;
1702         struct iwl_chain_noise_data *data;
1703
1704         data = &priv->chain_noise_data;
1705         buf = kzalloc(bufsz, GFP_KERNEL);
1706         if (!buf) {
1707                 IWL_ERR(priv, "Can not allocate Buffer\n");
1708                 return -ENOMEM;
1709         }
1710
1711         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1712                         data->active_chains);
1713         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1714                         data->chain_noise_a);
1715         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1716                         data->chain_noise_b);
1717         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1718                         data->chain_noise_c);
1719         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1720                         data->chain_signal_a);
1721         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1722                         data->chain_signal_b);
1723         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1724                         data->chain_signal_c);
1725         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1726                         data->beacon_count);
1727
1728         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1729         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1730                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1731                                 data->disconn_array[cnt]);
1732         }
1733         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1734         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1735         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1736                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1737                                 data->delta_gain_code[cnt]);
1738         }
1739         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1740         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1741                         data->radio_write);
1742         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1743                         data->state);
1744
1745         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1746         kfree(buf);
1747         return ret;
1748 }
1749
1750 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1751                                         char __user *user_buf,
1752                                         size_t count, loff_t *ppos) {
1753
1754         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1755         char buf[128];
1756         int pos = 0;
1757         ssize_t ret;
1758         const size_t bufsz = sizeof(buf);
1759         struct statistics_tx *tx;
1760
1761         if (!iwl_is_alive(priv))
1762                 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1763         else {
1764                 /* make request to uCode to retrieve statistics information */
1765                 mutex_lock(&priv->mutex);
1766                 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1767                 mutex_unlock(&priv->mutex);
1768
1769                 if (ret) {
1770                         IWL_ERR(priv, "Error sending statistics request: %zd\n",
1771                                 ret);
1772                         return -EAGAIN;
1773                 }
1774                 tx = &priv->statistics.tx;
1775                 if (tx->tx_power.ant_a ||
1776                     tx->tx_power.ant_b ||
1777                     tx->tx_power.ant_c) {
1778                         pos += scnprintf(buf + pos, bufsz - pos,
1779                                 "tx power: (1/2 dB step)\n");
1780                         if ((priv->cfg->valid_tx_ant & ANT_A) &&
1781                             tx->tx_power.ant_a)
1782                                 pos += scnprintf(buf + pos, bufsz - pos,
1783                                                 "\tantenna A: 0x%X\n",
1784                                                 tx->tx_power.ant_a);
1785                         if ((priv->cfg->valid_tx_ant & ANT_B) &&
1786                             tx->tx_power.ant_b)
1787                                 pos += scnprintf(buf + pos, bufsz - pos,
1788                                                 "\tantenna B: 0x%X\n",
1789                                                 tx->tx_power.ant_b);
1790                         if ((priv->cfg->valid_tx_ant & ANT_C) &&
1791                             tx->tx_power.ant_c)
1792                                 pos += scnprintf(buf + pos, bufsz - pos,
1793                                                 "\tantenna C: 0x%X\n",
1794                                                 tx->tx_power.ant_c);
1795                 } else
1796                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1797         }
1798         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1799 }
1800
1801 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1802                                                     char __user *user_buf,
1803                                                     size_t count, loff_t *ppos)
1804 {
1805         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1806         char buf[60];
1807         int pos = 0;
1808         const size_t bufsz = sizeof(buf);
1809         u32 pwrsave_status;
1810
1811         pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1812                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1813
1814         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1815         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1816                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1817                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1818                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1819                 "error");
1820
1821         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1822 }
1823
1824 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1825                                          const char __user *user_buf,
1826                                          size_t count, loff_t *ppos)
1827 {
1828         struct iwl_priv *priv = file->private_data;
1829         char buf[8];
1830         int buf_size;
1831         int clear;
1832
1833         memset(buf, 0, sizeof(buf));
1834         buf_size = min(count, sizeof(buf) -  1);
1835         if (copy_from_user(buf, user_buf, buf_size))
1836                 return -EFAULT;
1837         if (sscanf(buf, "%d", &clear) != 1)
1838                 return -EFAULT;
1839
1840         /* make request to uCode to retrieve statistics information */
1841         mutex_lock(&priv->mutex);
1842         iwl_send_statistics_request(priv, CMD_SYNC, true);
1843         mutex_unlock(&priv->mutex);
1844
1845         return count;
1846 }
1847
1848 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1849                                          const char __user *user_buf,
1850                                          size_t count, loff_t *ppos)
1851 {
1852         struct iwl_priv *priv = file->private_data;
1853         char buf[8];
1854         int buf_size;
1855         int csr;
1856
1857         memset(buf, 0, sizeof(buf));
1858         buf_size = min(count, sizeof(buf) -  1);
1859         if (copy_from_user(buf, user_buf, buf_size))
1860                 return -EFAULT;
1861         if (sscanf(buf, "%d", &csr) != 1)
1862                 return -EFAULT;
1863
1864         if (priv->cfg->ops->lib->dump_csr)
1865                 priv->cfg->ops->lib->dump_csr(priv);
1866
1867         return count;
1868 }
1869
1870 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1871                                         char __user *user_buf,
1872                                         size_t count, loff_t *ppos) {
1873
1874         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1875         int pos = 0;
1876         char buf[128];
1877         const size_t bufsz = sizeof(buf);
1878         ssize_t ret;
1879
1880         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1881                         priv->event_log.ucode_trace ? "On" : "Off");
1882         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1883                         priv->event_log.non_wraps_count);
1884         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1885                         priv->event_log.wraps_once_count);
1886         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1887                         priv->event_log.wraps_more_count);
1888
1889         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1890         return ret;
1891 }
1892
1893 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1894                                          const char __user *user_buf,
1895                                          size_t count, loff_t *ppos)
1896 {
1897         struct iwl_priv *priv = file->private_data;
1898         char buf[8];
1899         int buf_size;
1900         int trace;
1901
1902         memset(buf, 0, sizeof(buf));
1903         buf_size = min(count, sizeof(buf) -  1);
1904         if (copy_from_user(buf, user_buf, buf_size))
1905                 return -EFAULT;
1906         if (sscanf(buf, "%d", &trace) != 1)
1907                 return -EFAULT;
1908
1909         if (trace) {
1910                 priv->event_log.ucode_trace = true;
1911                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1912                 mod_timer(&priv->ucode_trace,
1913                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1914         } else {
1915                 priv->event_log.ucode_trace = false;
1916                 del_timer_sync(&priv->ucode_trace);
1917         }
1918
1919         return count;
1920 }
1921
1922 DEBUGFS_READ_FILE_OPS(rx_statistics);
1923 DEBUGFS_READ_FILE_OPS(tx_statistics);
1924 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1925 DEBUGFS_READ_FILE_OPS(rx_queue);
1926 DEBUGFS_READ_FILE_OPS(tx_queue);
1927 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1928 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1929 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1930 DEBUGFS_READ_FILE_OPS(sensitivity);
1931 DEBUGFS_READ_FILE_OPS(chain_noise);
1932 DEBUGFS_READ_FILE_OPS(tx_power);
1933 DEBUGFS_READ_FILE_OPS(power_save_status);
1934 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1935 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1936 DEBUGFS_WRITE_FILE_OPS(csr);
1937 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1938
1939 /*
1940  * Create the debugfs files and directories
1941  *
1942  */
1943 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1944 {
1945         struct iwl_debugfs *dbgfs;
1946         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1947         int ret = 0;
1948
1949         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1950         if (!dbgfs) {
1951                 ret = -ENOMEM;
1952                 goto err;
1953         }
1954
1955         priv->dbgfs = dbgfs;
1956         dbgfs->name = name;
1957         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1958         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1959                 ret = -ENOENT;
1960                 goto err;
1961         }
1962
1963         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1964         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1965         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1966         DEBUGFS_ADD_FILE(nvm, data, S_IRUSR);
1967         DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR);
1968         DEBUGFS_ADD_FILE(log_event, data, S_IWUSR);
1969         DEBUGFS_ADD_FILE(stations, data, S_IRUSR);
1970         DEBUGFS_ADD_FILE(channels, data, S_IRUSR);
1971         DEBUGFS_ADD_FILE(status, data, S_IRUSR);
1972         DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR);
1973         DEBUGFS_ADD_FILE(qos, data, S_IRUSR);
1974         DEBUGFS_ADD_FILE(led, data, S_IRUSR);
1975         DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR);
1976         DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR);
1977         DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR);
1978         DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR);
1979         DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR);
1980         DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR);
1981         DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR);
1982         DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR);
1983         DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR);
1984         DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR);
1985         DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR);
1986         DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR);
1987         DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR);
1988         DEBUGFS_ADD_FILE(csr, debug, S_IWUSR);
1989         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1990                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR);
1991                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR);
1992                 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR);
1993                 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR);
1994                 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR);
1995                 DEBUGFS_ADD_FILE(ucode_tracing, debug, S_IWUSR | S_IRUSR);
1996         }
1997         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1998         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1999                          &priv->disable_chain_noise_cal);
2000         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2001             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2002                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
2003                                 &priv->disable_tx_power_cal);
2004         return 0;
2005
2006 err:
2007         IWL_ERR(priv, "Can't open the debugfs directory\n");
2008         iwl_dbgfs_unregister(priv);
2009         return ret;
2010 }
2011 EXPORT_SYMBOL(iwl_dbgfs_register);
2012
2013 /**
2014  * Remove the debugfs files and directories
2015  *
2016  */
2017 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2018 {
2019         if (!priv->dbgfs)
2020                 return;
2021
2022         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
2023         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
2024         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
2025         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
2026         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
2027         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
2028         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
2029         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
2030         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
2031         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
2032         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
2033         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
2034         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
2035         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
2036         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
2037         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
2038         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
2039         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
2040         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
2041         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
2042         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
2043         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2044                         file_clear_ucode_statistics);
2045         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2046                         file_clear_traffic_statistics);
2047         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_csr);
2048         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
2049                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2050                         file_ucode_rx_stats);
2051                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2052                         file_ucode_tx_stats);
2053                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2054                         file_ucode_general_stats);
2055                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2056                         file_sensitivity);
2057                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2058                         file_chain_noise);
2059                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2060                         file_ucode_tracing);
2061         }
2062         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
2063         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
2064         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
2065         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2066             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2067                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
2068         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
2069         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
2070         kfree(priv->dbgfs);
2071         priv->dbgfs = NULL;
2072 }
2073 EXPORT_SYMBOL(iwl_dbgfs_unregister);
2074
2075
2076