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

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