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) do {                             \
  51         dbgfs->dbgfs_##parent##_files.file_##name =                     \
  52         debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
  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 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
 135         buf = kzalloc(bufsz, GFP_KERNEL);
 136         if (!buf)
 137                 return -ENOMEM;
 138         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 139         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 140                 pos += scnprintf(buf + pos, bufsz - pos,
 141                                  "\t%s\t\t: %u\n",
 142                                  get_mgmt_string(cnt),
 143                                  priv->tx_stats.mgmt[cnt]);
 144         }
 145         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 146         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 147                 pos += scnprintf(buf + pos, bufsz - pos,
 148                                  "\t%s\t\t: %u\n",
 149                                  get_ctrl_string(cnt),
 150                                  priv->tx_stats.ctrl[cnt]);
 151         }
 152         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 153         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 154                          priv->tx_stats.data_cnt);
 155         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 156                          priv->tx_stats.data_bytes);
 157         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 158         kfree(buf);
 159         return ret;
 160 }
 161
 162 static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
 163                                         const char __user *user_buf,
 164                                         size_t count, loff_t *ppos)
 165 {
 166         struct iwl_priv *priv = file->private_data;
 167         u32 clear_flag;
 168         char buf[8];
 169         int buf_size;
 170
 171         memset(buf, 0, sizeof(buf));
 172         buf_size = min(count, sizeof(buf) -  1);
 173         if (copy_from_user(buf, user_buf, buf_size))
 174                 return -EFAULT;
 175         if (sscanf(buf, "%x", &clear_flag) != 1)
 176                 return -EFAULT;
 177         if (clear_flag == 1)
 178                 iwl_clear_tx_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) * 24 * (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%s\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%s\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 static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
 224                                         const char __user *user_buf,
 225                                         size_t count, loff_t *ppos)
 226 {
 227         struct iwl_priv *priv = file->private_data;
 228         u32 clear_flag;
 229         char buf[8];
 230         int buf_size;
 231
 232         memset(buf, 0, sizeof(buf));
 233         buf_size = min(count, sizeof(buf) -  1);
 234         if (copy_from_user(buf, user_buf, buf_size))
 235                 return -EFAULT;
 236         if (sscanf(buf, "%x", &clear_flag) != 1)
 237                 return -EFAULT;
 238         if (clear_flag == 1)
 239                 iwl_clear_rx_stats(priv);
 240         return count;
 241 }
 242
 243 #define BYTE1_MASK 0x000000ff;
 244 #define BYTE2_MASK 0x0000ffff;
 245 #define BYTE3_MASK 0x00ffffff;
 246 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 247                                         char __user *user_buf,
 248                                         size_t count, loff_t *ppos)
 249 {
 250         u32 val;
 251         char buf[1024];
 252         ssize_t ret;
 253         int i;
 254         int pos = 0;
 255         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 256         const size_t bufsz = sizeof(buf);
 257
 258         for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
 259                 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
 260                                         priv->dbgfs->sram_len - i);
 261                 if (i < 4) {
 262                         switch (i) {
 263                         case 1:
 264                                 val &= BYTE1_MASK;
 265                                 break;
 266                         case 2:
 267                                 val &= BYTE2_MASK;
 268                                 break;
 269                         case 3:
 270                                 val &= BYTE3_MASK;
 271                                 break;
 272                         }
 273                 }
 274                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
 275         }
 276         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 277
 278         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 279         return ret;
 280 }
 281
 282 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 283                                         const char __user *user_buf,
 284                                         size_t count, loff_t *ppos)
 285 {
 286         struct iwl_priv *priv = file->private_data;
 287         char buf[64];
 288         int buf_size;
 289         u32 offset, len;
 290
 291         memset(buf, 0, sizeof(buf));
 292         buf_size = min(count, sizeof(buf) -  1);
 293         if (copy_from_user(buf, user_buf, buf_size))
 294                 return -EFAULT;
 295
 296         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 297                 priv->dbgfs->sram_offset = offset;
 298                 priv->dbgfs->sram_len = len;
 299         } else {
 300                 priv->dbgfs->sram_offset = 0;
 301                 priv->dbgfs->sram_len = 0;
 302         }
 303
 304         return count;
 305 }
 306
 307 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 308                                         size_t count, loff_t *ppos)
 309 {
 310         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 311         struct iwl_station_entry *station;
 312         int max_sta = priv->hw_params.max_stations;
 313         char *buf;
 314         int i, j, pos = 0;
 315         ssize_t ret;
 316         /* Add 30 for initial string */
 317         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 318
 319         buf = kmalloc(bufsz, GFP_KERNEL);
 320         if (!buf)
 321                 return -ENOMEM;
 322
 323         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 324                         priv->num_stations);
 325
 326         for (i = 0; i < max_sta; i++) {
 327                 station = &priv->stations[i];
 328                 if (station->used) {
 329                         pos += scnprintf(buf + pos, bufsz - pos,
 330                                         "station %d:\ngeneral data:\n", i+1);
 331                         pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
 332                                         station->sta.sta.sta_id);
 333                         pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
 334                                         station->sta.mode);
 335                         pos += scnprintf(buf + pos, bufsz - pos,
 336                                         "flags: 0x%x\n",
 337                                         station->sta.station_flags_msk);
 338                         pos += scnprintf(buf + pos, bufsz - pos,
 339                                         "ps_status: %u\n", station->ps_status);
 340                         pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
 341                         pos += scnprintf(buf + pos, bufsz - pos,
 342                                         "seq_num\t\ttxq_id");
 343                         pos += scnprintf(buf + pos, bufsz - pos,
 344                                         "\tframe_count\twait_for_ba\t");
 345                         pos += scnprintf(buf + pos, bufsz - pos,
 346                                         "start_idx\tbitmap0\t");
 347                         pos += scnprintf(buf + pos, bufsz - pos,
 348                                         "bitmap1\trate_n_flags");
 349                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 350
 351                         for (j = 0; j < MAX_TID_COUNT; j++) {
 352                                 pos += scnprintf(buf + pos, bufsz - pos,
 353                                                 "[%d]:\t\t%u", j,
 354                                                 station->tid[j].seq_number);
 355                                 pos += scnprintf(buf + pos, bufsz - pos,
 356                                                 "\t%u\t\t%u\t\t%u\t\t",
 357                                                 station->tid[j].agg.txq_id,
 358                                                 station->tid[j].agg.frame_count,
 359                                                 station->tid[j].agg.wait_for_ba);
 360                                 pos += scnprintf(buf + pos, bufsz - pos,
 361                                                 "%u\t%llu\t%u",
 362                                                 station->tid[j].agg.start_idx,
 363                                                 (unsigned long long)station->tid[j].agg.bitmap,
 364                                                 station->tid[j].agg.rate_n_flags);
 365                                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 366                         }
 367                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 368                 }
 369         }
 370
 371         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 372         kfree(buf);
 373         return ret;
 374 }
 375
 376 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 377                                        char __user *user_buf,
 378                                        size_t count,
 379                                        loff_t *ppos)
 380 {
 381         ssize_t ret;
 382         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 383         int pos = 0, ofs = 0, buf_size = 0;
 384         const u8 *ptr;
 385         char *buf;
 386         size_t eeprom_len = priv->cfg->eeprom_size;
 387         buf_size = 4 * eeprom_len + 256;
 388
 389         if (eeprom_len % 16) {
 390                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 391                 return -ENODATA;
 392         }
 393
 394         ptr = priv->eeprom;
 395         if (!ptr) {
 396                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 397                 return -ENOMEM;
 398         }
 399
 400         /* 4 characters for byte 0xYY */
 401         buf = kzalloc(buf_size, GFP_KERNEL);
 402         if (!buf) {
 403                 IWL_ERR(priv, "Can not allocate Buffer\n");
 404                 return -ENOMEM;
 405         }
 406         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
 407                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 408                         ? "OTP" : "EEPROM");
 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                 iwl_dump_nic_event_log(priv);
 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_INIT:\t\t %d\n",
 536                 test_bit(STATUS_INIT, &priv->status));
 537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 538                 test_bit(STATUS_ALIVE, &priv->status));
 539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 540                 test_bit(STATUS_READY, &priv->status));
 541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
 542                 test_bit(STATUS_TEMPERATURE, &priv->status));
 543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 544                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 546                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 548                 test_bit(STATUS_STATISTICS, &priv->status));
 549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 550                 test_bit(STATUS_SCANNING, &priv->status));
 551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 552                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 553         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 554                 test_bit(STATUS_SCAN_HW, &priv->status));
 555         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 556                 test_bit(STATUS_POWER_PMI, &priv->status));
 557         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 558                 test_bit(STATUS_FW_ERROR, &priv->status));
 559         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
 560                 test_bit(STATUS_MODE_PENDING, &priv->status));
 561         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 562 }
 563
 564 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
 565                                         char __user *user_buf,
 566                                         size_t count, loff_t *ppos) {
 567
 568         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 569         int pos = 0;
 570         int cnt = 0;
 571         char *buf;
 572         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 573         ssize_t ret;
 574
 575         buf = kzalloc(bufsz, GFP_KERNEL);
 576         if (!buf) {
 577                 IWL_ERR(priv, "Can not allocate Buffer\n");
 578                 return -ENOMEM;
 579         }
 580
 581         pos += scnprintf(buf + pos, bufsz - pos,
 582                         "Interrupt Statistics Report:\n");
 583
 584         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
 585                 priv->isr_stats.hw);
 586         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
 587                 priv->isr_stats.sw);
 588         if (priv->isr_stats.sw > 0) {
 589                 pos += scnprintf(buf + pos, bufsz - pos,
 590                         "\tLast Restarting Code:  0x%X\n",
 591                         priv->isr_stats.sw_err);
 592         }
 593 #ifdef CONFIG_IWLWIFI_DEBUG
 594         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
 595                 priv->isr_stats.sch);
 596         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
 597                 priv->isr_stats.alive);
 598 #endif
 599         pos += scnprintf(buf + pos, bufsz - pos,
 600                 "HW RF KILL switch toggled:\t %u\n",
 601                 priv->isr_stats.rfkill);
 602
 603         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
 604                 priv->isr_stats.ctkill);
 605
 606         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
 607                 priv->isr_stats.wakeup);
 608
 609         pos += scnprintf(buf + pos, bufsz - pos,
 610                 "Rx command responses:\t\t %u\n",
 611                 priv->isr_stats.rx);
 612         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 613                 if (priv->isr_stats.rx_handlers[cnt] > 0)
 614                         pos += scnprintf(buf + pos, bufsz - pos,
 615                                 "\tRx handler[%36s]:\t\t %u\n",
 616                                 get_cmd_string(cnt),
 617                                 priv->isr_stats.rx_handlers[cnt]);
 618         }
 619
 620         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
 621                 priv->isr_stats.tx);
 622
 623         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
 624                 priv->isr_stats.unhandled);
 625
 626         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 627         kfree(buf);
 628         return ret;
 629 }
 630
 631 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
 632                                          const char __user *user_buf,
 633                                          size_t count, loff_t *ppos)
 634 {
 635         struct iwl_priv *priv = file->private_data;
 636         char buf[8];
 637         int buf_size;
 638         u32 reset_flag;
 639
 640         memset(buf, 0, sizeof(buf));
 641         buf_size = min(count, sizeof(buf) -  1);
 642         if (copy_from_user(buf, user_buf, buf_size))
 643                 return -EFAULT;
 644         if (sscanf(buf, "%x", &reset_flag) != 1)
 645                 return -EFAULT;
 646         if (reset_flag == 0)
 647                 iwl_clear_isr_stats(priv);
 648
 649         return count;
 650 }
 651
 652 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 653                                        size_t count, loff_t *ppos)
 654 {
 655         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 656         int pos = 0, i;
 657         char buf[256];
 658         const size_t bufsz = sizeof(buf);
 659         ssize_t ret;
 660
 661         for (i = 0; i < AC_NUM; i++) {
 662                 pos += scnprintf(buf + pos, bufsz - pos,
 663                         "\tcw_min\tcw_max\taifsn\ttxop\n");
 664                 pos += scnprintf(buf + pos, bufsz - pos,
 665                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 666                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
 667                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
 668                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
 669                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
 670         }
 671         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 672         return ret;
 673 }
 674
 675 #ifdef CONFIG_IWLWIFI_LEDS
 676 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
 677                                   size_t count, loff_t *ppos)
 678 {
 679         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 680         int pos = 0;
 681         char buf[256];
 682         const size_t bufsz = sizeof(buf);
 683         ssize_t ret;
 684
 685         pos += scnprintf(buf + pos, bufsz - pos,
 686                          "allow blinking: %s\n",
 687                          (priv->allow_blinking) ? "True" : "False");
 688         if (priv->allow_blinking) {
 689                 pos += scnprintf(buf + pos, bufsz - pos,
 690                                  "Led blinking rate: %u\n",
 691                                  priv->last_blink_rate);
 692                 pos += scnprintf(buf + pos, bufsz - pos,
 693                                  "Last blink time: %lu\n",
 694                                  priv->last_blink_time);
 695         }
 696
 697         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 698         return ret;
 699 }
 700 #endif
 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                 value -= 1;
 803
 804         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 805                 return -EINVAL;
 806
 807         priv->power_data.debug_sleep_level_override = value;
 808
 809         iwl_power_update_mode(priv, false);
 810
 811         return count;
 812 }
 813
 814 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 815                                                    char __user *user_buf,
 816                                                    size_t count, loff_t *ppos)
 817 {
 818         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 819         char buf[10];
 820         int pos, value;
 821         const size_t bufsz = sizeof(buf);
 822
 823         /* see the write function */
 824         value = priv->power_data.debug_sleep_level_override;
 825         if (value >= 0)
 826                 value += 1;
 827
 828         pos = scnprintf(buf, bufsz, "%d\n", value);
 829         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 830 }
 831
 832 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 833                                                     char __user *user_buf,
 834                                                     size_t count, loff_t *ppos)
 835 {
 836         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 837         char buf[200];
 838         int pos = 0, i;
 839         const size_t bufsz = sizeof(buf);
 840         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 841
 842         pos += scnprintf(buf + pos, bufsz - pos,
 843                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 844         pos += scnprintf(buf + pos, bufsz - pos,
 845                          "RX/TX timeout: %d/%d usec\n",
 846                          le32_to_cpu(cmd->rx_data_timeout),
 847                          le32_to_cpu(cmd->tx_data_timeout));
 848         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 849                 pos += scnprintf(buf + pos, bufsz - pos,
 850                                  "sleep_interval[%d]: %d\n", i,
 851                                  le32_to_cpu(cmd->sleep_interval[i]));
 852
 853         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 854 }
 855
 856 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 857 DEBUGFS_WRITE_FILE_OPS(log_event);
 858 DEBUGFS_READ_FILE_OPS(nvm);
 859 DEBUGFS_READ_FILE_OPS(stations);
 860 DEBUGFS_READ_FILE_OPS(channels);
 861 DEBUGFS_READ_FILE_OPS(status);
 862 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 863 DEBUGFS_READ_FILE_OPS(qos);
 864 #ifdef CONFIG_IWLWIFI_LEDS
 865 DEBUGFS_READ_FILE_OPS(led);
 866 #endif
 867 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 868 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 869 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 870 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 871
 872 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 873                                          char __user *user_buf,
 874                                          size_t count, loff_t *ppos)
 875 {
 876         struct iwl_priv *priv = file->private_data;
 877         int pos = 0, ofs = 0;
 878         int cnt = 0, entry;
 879         struct iwl_tx_queue *txq;
 880         struct iwl_queue *q;
 881         struct iwl_rx_queue *rxq = &priv->rxq;
 882         char *buf;
 883         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 884                 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
 885         const u8 *ptr;
 886         ssize_t ret;
 887
 888         buf = kzalloc(bufsz, GFP_KERNEL);
 889         if (!buf) {
 890                 IWL_ERR(priv, "Can not allocate buffer\n");
 891                 return -ENOMEM;
 892         }
 893         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
 894         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 895                 txq = &priv->txq[cnt];
 896                 q = &txq->q;
 897                 pos += scnprintf(buf + pos, bufsz - pos,
 898                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
 899                                 cnt, q->read_ptr, q->write_ptr);
 900         }
 901         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
 902                 ptr = priv->tx_traffic;
 903                 pos += scnprintf(buf + pos, bufsz - pos,
 904                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 905                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 906                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 907                              entry++,  ofs += 16) {
 908                                 pos += scnprintf(buf + pos, bufsz - pos,
 909                                                 "0x%.4x ", ofs);
 910                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 911                                                    buf + pos, bufsz - pos, 0);
 912                                 pos += strlen(buf + pos);
 913                                 if (bufsz - pos > 0)
 914                                         buf[pos++] = '\n';
 915                         }
 916                 }
 917         }
 918
 919         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
 920         pos += scnprintf(buf + pos, bufsz - pos,
 921                         "read: %u, write: %u\n",
 922                          rxq->read, rxq->write);
 923
 924         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
 925                 ptr = priv->rx_traffic;
 926                 pos += scnprintf(buf + pos, bufsz - pos,
 927                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 928                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 929                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 930                              entry++,  ofs += 16) {
 931                                 pos += scnprintf(buf + pos, bufsz - pos,
 932                                                 "0x%.4x ", ofs);
 933                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 934                                                    buf + pos, bufsz - pos, 0);
 935                                 pos += strlen(buf + pos);
 936                                 if (bufsz - pos > 0)
 937                                         buf[pos++] = '\n';
 938                         }
 939                 }
 940         }
 941
 942         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 943         kfree(buf);
 944         return ret;
 945 }
 946
 947 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 948                                          const char __user *user_buf,
 949                                          size_t count, loff_t *ppos)
 950 {
 951         struct iwl_priv *priv = file->private_data;
 952         char buf[8];
 953         int buf_size;
 954         int traffic_log;
 955
 956         memset(buf, 0, sizeof(buf));
 957         buf_size = min(count, sizeof(buf) -  1);
 958         if (copy_from_user(buf, user_buf, buf_size))
 959                 return -EFAULT;
 960         if (sscanf(buf, "%d", &traffic_log) != 1)
 961                 return -EFAULT;
 962         if (traffic_log == 0)
 963                 iwl_reset_traffic_log(priv);
 964
 965         return count;
 966 }
 967
 968 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
 969                                                 char __user *user_buf,
 970                                                 size_t count, loff_t *ppos) {
 971
 972         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
 973         struct iwl_tx_queue *txq;
 974         struct iwl_queue *q;
 975         char *buf;
 976         int pos = 0;
 977         int cnt;
 978         int ret;
 979         const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
 980
 981         buf = kzalloc(bufsz, GFP_KERNEL);
 982         if (!buf)
 983                 return -ENOMEM;
 984
 985         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 986                 txq = &priv->txq[cnt];
 987                 q = &txq->q;
 988                 pos += scnprintf(buf + pos, bufsz - pos,
 989                                 "hwq %.2d: read=%u write=%u stop=%d"
 990                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
 991                                 cnt, q->read_ptr, q->write_ptr,
 992                                 !!test_bit(cnt, priv->queue_stopped),
 993                                 txq->swq_id,
 994                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
 995                                 txq->swq_id,
 996                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
 997                                 0x1f : txq->swq_id);
 998                 if (cnt >= 4)
 999                         continue;
1000                 /* for the ACs, display the stop count too */
1001                 pos += scnprintf(buf + pos, bufsz - pos,
1002                                 "        stop-count: %d\n",
1003                                 atomic_read(&priv->queue_stop_count[cnt]));
1004         }
1005         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1006         kfree(buf);
1007         return ret;
1008 }
1009
1010 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1011                                                 char __user *user_buf,
1012                                                 size_t count, loff_t *ppos) {
1013
1014         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1015         struct iwl_rx_queue *rxq = &priv->rxq;
1016         char buf[256];
1017         int pos = 0;
1018         const size_t bufsz = sizeof(buf);
1019
1020         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1021                                                 rxq->read);
1022         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1023                                                 rxq->write);
1024         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1025                                                 rxq->free_count);
1026         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1027                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1028         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1029 }
1030
1031 #define UCODE_STATISTICS_CLEAR_MSK              (0x1 << 0)
1032 #define UCODE_STATISTICS_FREQUENCY_MSK          (0x1 << 1)
1033 #define UCODE_STATISTICS_NARROW_BAND_MSK        (0x1 << 2)
1034
1035 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1036                                      int bufsz)
1037 {
1038         int p = 0;
1039
1040         p += scnprintf(buf + p, bufsz - p,
1041                 "Statistics Flag(0x%X):\n",
1042                 le32_to_cpu(priv->statistics.flag));
1043         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1044                 p += scnprintf(buf + p, bufsz - p,
1045                 "\tStatistics have been cleared\n");
1046         p += scnprintf(buf + p, bufsz - p,
1047                 "\tOperational Frequency: %s\n",
1048                 (le32_to_cpu(priv->statistics.flag) &
1049                 UCODE_STATISTICS_FREQUENCY_MSK)
1050                  ? "2.4 GHz" : "5.2 GHz");
1051         p += scnprintf(buf + p, bufsz - p,
1052                 "\tTGj Narrow Band: %s\n",
1053                 (le32_to_cpu(priv->statistics.flag) &
1054                 UCODE_STATISTICS_NARROW_BAND_MSK)
1055                  ? "enabled" : "disabled");
1056         return p;
1057 }
1058
1059
1060 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1061                                         char __user *user_buf,
1062                                         size_t count, loff_t *ppos)
1063 {
1064         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1065         int pos = 0;
1066         char *buf;
1067         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1068                 sizeof(struct statistics_rx_non_phy) * 20 +
1069                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1070         ssize_t ret;
1071         struct statistics_rx_phy *ofdm;
1072         struct statistics_rx_phy *cck;
1073         struct statistics_rx_non_phy *general;
1074         struct statistics_rx_ht_phy *ht;
1075
1076         if (!iwl_is_alive(priv))
1077                 return -EAGAIN;
1078
1079         /* make request to uCode to retrieve statistics information */
1080         mutex_lock(&priv->mutex);
1081         ret = iwl_send_statistics_request(priv, 0);
1082         mutex_unlock(&priv->mutex);
1083
1084         if (ret) {
1085                 IWL_ERR(priv,
1086                         "Error sending statistics request: %zd\n", ret);
1087                 return -EAGAIN;
1088         }
1089         buf = kzalloc(bufsz, GFP_KERNEL);
1090         if (!buf) {
1091                 IWL_ERR(priv, "Can not allocate Buffer\n");
1092                 return -ENOMEM;
1093         }
1094
1095         /* the statistic information display here is based on
1096          * the last statistics notification from uCode
1097          * might not reflect the current uCode activity
1098          */
1099         ofdm = &priv->statistics.rx.ofdm;
1100         cck = &priv->statistics.rx.cck;
1101         general = &priv->statistics.rx.general;
1102         ht = &priv->statistics.rx.ofdm_ht;
1103         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1104         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1105         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1106                          le32_to_cpu(ofdm->ina_cnt));
1107         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1108                          le32_to_cpu(ofdm->fina_cnt));
1109         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1110                          le32_to_cpu(ofdm->plcp_err));
1111         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1112                          le32_to_cpu(ofdm->crc32_err));
1113         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1114                          le32_to_cpu(ofdm->overrun_err));
1115         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1116                          le32_to_cpu(ofdm->early_overrun_err));
1117         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1118                          le32_to_cpu(ofdm->crc32_good));
1119         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1120                          le32_to_cpu(ofdm->false_alarm_cnt));
1121         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1122                          le32_to_cpu(ofdm->fina_sync_err_cnt));
1123         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1124                          le32_to_cpu(ofdm->sfd_timeout));
1125         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1126                          le32_to_cpu(ofdm->fina_timeout));
1127         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1128                          le32_to_cpu(ofdm->unresponded_rts));
1129         pos += scnprintf(buf + pos, bufsz - pos,
1130                         "rxe_frame_limit_overrun: %u\n",
1131                         le32_to_cpu(ofdm->rxe_frame_limit_overrun));
1132         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1133                          le32_to_cpu(ofdm->sent_ack_cnt));
1134         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1135                          le32_to_cpu(ofdm->sent_cts_cnt));
1136         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1137                          le32_to_cpu(ofdm->sent_ba_rsp_cnt));
1138         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1139                          le32_to_cpu(ofdm->dsp_self_kill));
1140         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1141                          le32_to_cpu(ofdm->mh_format_err));
1142         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1143                          le32_to_cpu(ofdm->re_acq_main_rssi_sum));
1144
1145         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1146         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1147                          le32_to_cpu(cck->ina_cnt));
1148         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1149                          le32_to_cpu(cck->fina_cnt));
1150         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1151                          le32_to_cpu(cck->plcp_err));
1152         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1153                          le32_to_cpu(cck->crc32_err));
1154         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1155                          le32_to_cpu(cck->overrun_err));
1156         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1157                          le32_to_cpu(cck->early_overrun_err));
1158         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1159                          le32_to_cpu(cck->crc32_good));
1160         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1161                          le32_to_cpu(cck->false_alarm_cnt));
1162         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1163                          le32_to_cpu(cck->fina_sync_err_cnt));
1164         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1165                          le32_to_cpu(cck->sfd_timeout));
1166         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1167                          le32_to_cpu(cck->fina_timeout));
1168         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1169                          le32_to_cpu(cck->unresponded_rts));
1170         pos += scnprintf(buf + pos, bufsz - pos,
1171                         "rxe_frame_limit_overrun: %u\n",
1172                         le32_to_cpu(cck->rxe_frame_limit_overrun));
1173         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1174                          le32_to_cpu(cck->sent_ack_cnt));
1175         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1176                          le32_to_cpu(cck->sent_cts_cnt));
1177         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1178                          le32_to_cpu(cck->sent_ba_rsp_cnt));
1179         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1180                          le32_to_cpu(cck->dsp_self_kill));
1181         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1182                          le32_to_cpu(cck->mh_format_err));
1183         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1184                          le32_to_cpu(cck->re_acq_main_rssi_sum));
1185
1186         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1187         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
1188                          le32_to_cpu(general->bogus_cts));
1189         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
1190                          le32_to_cpu(general->bogus_ack));
1191         pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
1192                          le32_to_cpu(general->non_bssid_frames));
1193         pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
1194                          le32_to_cpu(general->filtered_frames));
1195         pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
1196                          le32_to_cpu(general->non_channel_beacons));
1197         pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
1198                          le32_to_cpu(general->channel_beacons));
1199         pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
1200                          le32_to_cpu(general->num_missed_bcon));
1201         pos += scnprintf(buf + pos, bufsz - pos,
1202                         "adc_rx_saturation_time: %u\n",
1203                         le32_to_cpu(general->adc_rx_saturation_time));
1204         pos += scnprintf(buf + pos, bufsz - pos,
1205                         "ina_detection_search_time: %u\n",
1206                         le32_to_cpu(general->ina_detection_search_time));
1207         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
1208                          le32_to_cpu(general->beacon_silence_rssi_a));
1209         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
1210                          le32_to_cpu(general->beacon_silence_rssi_b));
1211         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
1212                          le32_to_cpu(general->beacon_silence_rssi_c));
1213         pos += scnprintf(buf + pos, bufsz - pos,
1214                         "interference_data_flag: %u\n",
1215                         le32_to_cpu(general->interference_data_flag));
1216         pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
1217                          le32_to_cpu(general->channel_load));
1218         pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
1219                          le32_to_cpu(general->dsp_false_alarms));
1220         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
1221                          le32_to_cpu(general->beacon_rssi_a));
1222         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
1223                          le32_to_cpu(general->beacon_rssi_b));
1224         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
1225                          le32_to_cpu(general->beacon_rssi_c));
1226         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
1227                          le32_to_cpu(general->beacon_energy_a));
1228         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
1229                          le32_to_cpu(general->beacon_energy_b));
1230         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
1231                          le32_to_cpu(general->beacon_energy_c));
1232
1233         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1234         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1235                          le32_to_cpu(ht->plcp_err));
1236         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1237                          le32_to_cpu(ht->overrun_err));
1238         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1239                          le32_to_cpu(ht->early_overrun_err));
1240         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1241                          le32_to_cpu(ht->crc32_good));
1242         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1243                          le32_to_cpu(ht->crc32_err));
1244         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1245                          le32_to_cpu(ht->mh_format_err));
1246         pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
1247                          le32_to_cpu(ht->agg_crc32_good));
1248         pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
1249                          le32_to_cpu(ht->agg_mpdu_cnt));
1250         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
1251                          le32_to_cpu(ht->agg_cnt));
1252
1253         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1254         kfree(buf);
1255         return ret;
1256 }
1257
1258 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1259                                         char __user *user_buf,
1260                                         size_t count, loff_t *ppos)
1261 {
1262         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1263         int pos = 0;
1264         char *buf;
1265         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1266         ssize_t ret;
1267         struct statistics_tx *tx;
1268
1269         if (!iwl_is_alive(priv))
1270                 return -EAGAIN;
1271
1272         /* make request to uCode to retrieve statistics information */
1273         mutex_lock(&priv->mutex);
1274         ret = iwl_send_statistics_request(priv, 0);
1275         mutex_unlock(&priv->mutex);
1276
1277         if (ret) {
1278                 IWL_ERR(priv,
1279                         "Error sending statistics request: %zd\n", ret);
1280                 return -EAGAIN;
1281         }
1282         buf = kzalloc(bufsz, GFP_KERNEL);
1283         if (!buf) {
1284                 IWL_ERR(priv, "Can not allocate Buffer\n");
1285                 return -ENOMEM;
1286         }
1287
1288         /* the statistic information display here is based on
1289          * the last statistics notification from uCode
1290          * might not reflect the current uCode activity
1291          */
1292         tx = &priv->statistics.tx;
1293         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1294         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1295         pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
1296                          le32_to_cpu(tx->preamble_cnt));
1297         pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
1298                          le32_to_cpu(tx->rx_detected_cnt));
1299         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
1300                          le32_to_cpu(tx->bt_prio_defer_cnt));
1301         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
1302                          le32_to_cpu(tx->bt_prio_kill_cnt));
1303         pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
1304                          le32_to_cpu(tx->few_bytes_cnt));
1305         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
1306                          le32_to_cpu(tx->cts_timeout));
1307         pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
1308                          le32_to_cpu(tx->ack_timeout));
1309         pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
1310                          le32_to_cpu(tx->expected_ack_cnt));
1311         pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
1312                          le32_to_cpu(tx->actual_ack_cnt));
1313         pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
1314                          le32_to_cpu(tx->dump_msdu_cnt));
1315         pos += scnprintf(buf + pos, bufsz - pos,
1316                         "burst_abort_next_frame_mismatch_cnt: %u\n",
1317                         le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
1318         pos += scnprintf(buf + pos, bufsz - pos,
1319                         "burst_abort_missing_next_frame_cnt: %u\n",
1320                         le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
1321         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
1322                          le32_to_cpu(tx->cts_timeout_collision));
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                         "ack_or_ba_timeout_collision: %u\n",
1325                         le32_to_cpu(tx->ack_or_ba_timeout_collision));
1326         pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
1327                          le32_to_cpu(tx->agg.ba_timeout));
1328         pos += scnprintf(buf + pos, bufsz - pos,
1329                         "agg ba_reschedule_frames: %u\n",
1330                         le32_to_cpu(tx->agg.ba_reschedule_frames));
1331         pos += scnprintf(buf + pos, bufsz - pos,
1332                         "agg scd_query_agg_frame_cnt: %u\n",
1333                         le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
1334         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
1335                          le32_to_cpu(tx->agg.scd_query_no_agg));
1336         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
1337                          le32_to_cpu(tx->agg.scd_query_agg));
1338         pos += scnprintf(buf + pos, bufsz - pos,
1339                         "agg scd_query_mismatch: %u\n",
1340                         le32_to_cpu(tx->agg.scd_query_mismatch));
1341         pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
1342                          le32_to_cpu(tx->agg.frame_not_ready));
1343         pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
1344                          le32_to_cpu(tx->agg.underrun));
1345         pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
1346                          le32_to_cpu(tx->agg.bt_prio_kill));
1347         pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
1348                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
1349
1350         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1351         kfree(buf);
1352         return ret;
1353 }
1354
1355 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1356                                         char __user *user_buf,
1357                                         size_t count, loff_t *ppos)
1358 {
1359         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1360         int pos = 0;
1361         char *buf;
1362         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1363         ssize_t ret;
1364         struct statistics_general *general;
1365         struct statistics_dbg *dbg;
1366         struct statistics_div *div;
1367
1368         if (!iwl_is_alive(priv))
1369                 return -EAGAIN;
1370
1371         /* make request to uCode to retrieve statistics information */
1372         mutex_lock(&priv->mutex);
1373         ret = iwl_send_statistics_request(priv, 0);
1374         mutex_unlock(&priv->mutex);
1375
1376         if (ret) {
1377                 IWL_ERR(priv,
1378                         "Error sending statistics request: %zd\n", ret);
1379                 return -EAGAIN;
1380         }
1381         buf = kzalloc(bufsz, GFP_KERNEL);
1382         if (!buf) {
1383                 IWL_ERR(priv, "Can not allocate Buffer\n");
1384                 return -ENOMEM;
1385         }
1386
1387         /* the statistic information display here is based on
1388          * the last statistics notification from uCode
1389          * might not reflect the current uCode activity
1390          */
1391         general = &priv->statistics.general;
1392         dbg = &priv->statistics.general.dbg;
1393         div = &priv->statistics.general.div;
1394         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1395         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1396         pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
1397                          le32_to_cpu(general->temperature));
1398         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
1399                          le32_to_cpu(general->temperature_m));
1400         pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
1401                          le32_to_cpu(dbg->burst_check));
1402         pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
1403                          le32_to_cpu(dbg->burst_count));
1404         pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
1405                          le32_to_cpu(general->sleep_time));
1406         pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
1407                          le32_to_cpu(general->slots_out));
1408         pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
1409                          le32_to_cpu(general->slots_idle));
1410         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
1411                          le32_to_cpu(general->ttl_timestamp));
1412         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
1413                          le32_to_cpu(div->tx_on_a));
1414         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
1415                          le32_to_cpu(div->tx_on_b));
1416         pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
1417                          le32_to_cpu(div->exec_time));
1418         pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
1419                          le32_to_cpu(div->probe_time));
1420         pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
1421                          le32_to_cpu(general->rx_enable_counter));
1422         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1423         kfree(buf);
1424         return ret;
1425 }
1426
1427 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1428                                         char __user *user_buf,
1429                                         size_t count, loff_t *ppos) {
1430
1431         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1432         int pos = 0;
1433         int cnt = 0;
1434         char *buf;
1435         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1436         ssize_t ret;
1437         struct iwl_sensitivity_data *data;
1438
1439         data = &priv->sensitivity_data;
1440         buf = kzalloc(bufsz, GFP_KERNEL);
1441         if (!buf) {
1442                 IWL_ERR(priv, "Can not allocate Buffer\n");
1443                 return -ENOMEM;
1444         }
1445
1446         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1447                         data->auto_corr_ofdm);
1448         pos += scnprintf(buf + pos, bufsz - pos,
1449                         "auto_corr_ofdm_mrc:\t\t %u\n",
1450                         data->auto_corr_ofdm_mrc);
1451         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1452                         data->auto_corr_ofdm_x1);
1453         pos += scnprintf(buf + pos, bufsz - pos,
1454                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1455                         data->auto_corr_ofdm_mrc_x1);
1456         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1457                         data->auto_corr_cck);
1458         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1459                         data->auto_corr_cck_mrc);
1460         pos += scnprintf(buf + pos, bufsz - pos,
1461                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1462                         data->last_bad_plcp_cnt_ofdm);
1463         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1464                         data->last_fa_cnt_ofdm);
1465         pos += scnprintf(buf + pos, bufsz - pos,
1466                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1467                         data->last_bad_plcp_cnt_cck);
1468         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1469                         data->last_fa_cnt_cck);
1470         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1471                         data->nrg_curr_state);
1472         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1473                         data->nrg_prev_state);
1474         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1475         for (cnt = 0; cnt < 10; cnt++) {
1476                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1477                                 data->nrg_value[cnt]);
1478         }
1479         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1480         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1481         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1482                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1483                                 data->nrg_silence_rssi[cnt]);
1484         }
1485         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1486         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1487                         data->nrg_silence_ref);
1488         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1489                         data->nrg_energy_idx);
1490         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1491                         data->nrg_silence_idx);
1492         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1493                         data->nrg_th_cck);
1494         pos += scnprintf(buf + pos, bufsz - pos,
1495                         "nrg_auto_corr_silence_diff:\t %u\n",
1496                         data->nrg_auto_corr_silence_diff);
1497         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1498                         data->num_in_cck_no_fa);
1499         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1500                         data->nrg_th_ofdm);
1501
1502         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1503         kfree(buf);
1504         return ret;
1505 }
1506
1507
1508 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1509                                         char __user *user_buf,
1510                                         size_t count, loff_t *ppos) {
1511
1512         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1513         int pos = 0;
1514         int cnt = 0;
1515         char *buf;
1516         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1517         ssize_t ret;
1518         struct iwl_chain_noise_data *data;
1519
1520         data = &priv->chain_noise_data;
1521         buf = kzalloc(bufsz, GFP_KERNEL);
1522         if (!buf) {
1523                 IWL_ERR(priv, "Can not allocate Buffer\n");
1524                 return -ENOMEM;
1525         }
1526
1527         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1528                         data->active_chains);
1529         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1530                         data->chain_noise_a);
1531         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1532                         data->chain_noise_b);
1533         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1534                         data->chain_noise_c);
1535         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1536                         data->chain_signal_a);
1537         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1538                         data->chain_signal_b);
1539         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1540                         data->chain_signal_c);
1541         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1542                         data->beacon_count);
1543
1544         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1545         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1546                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1547                                 data->disconn_array[cnt]);
1548         }
1549         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1550         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1551         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1552                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1553                                 data->delta_gain_code[cnt]);
1554         }
1555         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1556         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1557                         data->radio_write);
1558         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1559                         data->state);
1560
1561         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1562         kfree(buf);
1563         return ret;
1564 }
1565
1566 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1567                                         char __user *user_buf,
1568                                         size_t count, loff_t *ppos) {
1569
1570         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1571         char buf[128];
1572         int pos = 0;
1573         ssize_t ret;
1574         const size_t bufsz = sizeof(buf);
1575         struct statistics_tx *tx;
1576
1577         if (!iwl_is_alive(priv))
1578                 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1579         else {
1580                 /* make request to uCode to retrieve statistics information */
1581                 mutex_lock(&priv->mutex);
1582                 ret = iwl_send_statistics_request(priv, 0);
1583                 mutex_unlock(&priv->mutex);
1584
1585                 if (ret) {
1586                         IWL_ERR(priv, "Error sending statistics request: %zd\n",
1587                                 ret);
1588                         return -EAGAIN;
1589                 }
1590                 tx = &priv->statistics.tx;
1591                 if (tx->tx_power.ant_a ||
1592                     tx->tx_power.ant_b ||
1593                     tx->tx_power.ant_c) {
1594                         pos += scnprintf(buf + pos, bufsz - pos,
1595                                 "tx power: (1/2 dB step)\n");
1596                         if ((priv->cfg->valid_tx_ant & ANT_A) &&
1597                             tx->tx_power.ant_a)
1598                                 pos += scnprintf(buf + pos, bufsz - pos,
1599                                                 "\tantenna A: 0x%X\n",
1600                                                 tx->tx_power.ant_a);
1601                         if ((priv->cfg->valid_tx_ant & ANT_B) &&
1602                             tx->tx_power.ant_b)
1603                                 pos += scnprintf(buf + pos, bufsz - pos,
1604                                                 "\tantenna B: 0x%X\n",
1605                                                 tx->tx_power.ant_b);
1606                         if ((priv->cfg->valid_tx_ant & ANT_C) &&
1607                             tx->tx_power.ant_c)
1608                                 pos += scnprintf(buf + pos, bufsz - pos,
1609                                                 "\tantenna C: 0x%X\n",
1610                                                 tx->tx_power.ant_c);
1611                 } else
1612                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1613         }
1614         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1615 }
1616
1617 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1618 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1619 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1620 DEBUGFS_READ_FILE_OPS(rx_queue);
1621 DEBUGFS_READ_FILE_OPS(tx_queue);
1622 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1623 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1624 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1625 DEBUGFS_READ_FILE_OPS(sensitivity);
1626 DEBUGFS_READ_FILE_OPS(chain_noise);
1627 DEBUGFS_READ_FILE_OPS(tx_power);
1628
1629 /*
1630  * Create the debugfs files and directories
1631  *
1632  */
1633 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1634 {
1635         struct iwl_debugfs *dbgfs;
1636         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1637         int ret = 0;
1638
1639         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1640         if (!dbgfs) {
1641                 ret = -ENOMEM;
1642                 goto err;
1643         }
1644
1645         priv->dbgfs = dbgfs;
1646         dbgfs->name = name;
1647         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1648         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1649                 ret = -ENOENT;
1650                 goto err;
1651         }
1652
1653         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1654         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1655         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1656         DEBUGFS_ADD_FILE(nvm, data);
1657         DEBUGFS_ADD_FILE(sram, data);
1658         DEBUGFS_ADD_FILE(log_event, data);
1659         DEBUGFS_ADD_FILE(stations, data);
1660         DEBUGFS_ADD_FILE(channels, data);
1661         DEBUGFS_ADD_FILE(status, data);
1662         DEBUGFS_ADD_FILE(interrupt, data);
1663         DEBUGFS_ADD_FILE(qos, data);
1664 #ifdef CONFIG_IWLWIFI_LEDS
1665         DEBUGFS_ADD_FILE(led, data);
1666 #endif
1667         DEBUGFS_ADD_FILE(sleep_level_override, data);
1668         DEBUGFS_ADD_FILE(current_sleep_command, data);
1669         DEBUGFS_ADD_FILE(thermal_throttling, data);
1670         DEBUGFS_ADD_FILE(disable_ht40, data);
1671         DEBUGFS_ADD_FILE(rx_statistics, debug);
1672         DEBUGFS_ADD_FILE(tx_statistics, debug);
1673         DEBUGFS_ADD_FILE(traffic_log, debug);
1674         DEBUGFS_ADD_FILE(rx_queue, debug);
1675         DEBUGFS_ADD_FILE(tx_queue, debug);
1676         DEBUGFS_ADD_FILE(tx_power, debug);
1677         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1678                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1679                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1680                 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1681                 DEBUGFS_ADD_FILE(sensitivity, debug);
1682                 DEBUGFS_ADD_FILE(chain_noise, debug);
1683         }
1684         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1685         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1686                          &priv->disable_chain_noise_cal);
1687         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1688             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1689                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1690                                 &priv->disable_tx_power_cal);
1691         return 0;
1692
1693 err:
1694         IWL_ERR(priv, "Can't open the debugfs directory\n");
1695         iwl_dbgfs_unregister(priv);
1696         return ret;
1697 }
1698 EXPORT_SYMBOL(iwl_dbgfs_register);
1699
1700 /**
1701  * Remove the debugfs files and directories
1702  *
1703  */
1704 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1705 {
1706         if (!priv->dbgfs)
1707                 return;
1708
1709         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1710         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1711         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1712         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1713         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1714         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1715         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1716         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1717         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1718         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1719 #ifdef CONFIG_IWLWIFI_LEDS
1720         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1721 #endif
1722         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1723         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1724         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1725         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1726         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1727         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1728         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1729         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1730         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1731         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1732                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1733                         file_ucode_rx_stats);
1734                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1735                         file_ucode_tx_stats);
1736                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1737                         file_ucode_general_stats);
1738                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1739                         file_sensitivity);
1740                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1741                         file_chain_noise);
1742         }
1743         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1744         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1745         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1746         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1747             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1748                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1749         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1750         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1751         kfree(priv->dbgfs);
1752         priv->dbgfs = NULL;
1753 }
1754 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1755
1756
1757