fa6371d171c56627d1df8d49a02267c385148123
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2  *
3  * GPL LICENSE SUMMARY
4  *
5  * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of version 2 of the GNU General Public License as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19  * USA
20  *
21  * The full GNU General Public License is included in this distribution
22  * in the file called LICENSE.GPL.
23  *
24  * Contact Information:
25  *  Intel Linux Wireless <ilw@linux.intel.com>
26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27  *****************************************************************************/
28
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/debugfs.h>
32
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
35
36
37 #include "iwl-dev.h"
38 #include "iwl-debug.h"
39 #include "iwl-core.h"
40 #include "iwl-io.h"
41 #include "iwl-calib.h"
42
43 /* create and remove of files */
44 #define DEBUGFS_ADD_DIR(name, parent) do {                              \
45         dbgfs->dir_##name = debugfs_create_dir(#name, parent);          \
46         if (!(dbgfs->dir_##name))                                       \
47                 goto err;                                               \
48 } while (0)
49
50 #define DEBUGFS_ADD_FILE(name, parent) do {                             \
51         dbgfs->dbgfs_##parent##_files.file_##name =                     \
52         debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
53                                 dbgfs->dir_##parent, priv,              \
54                                 &iwl_dbgfs_##name##_ops);               \
55         if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
56                 goto err;                                               \
57 } while (0)
58
59 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
60         dbgfs->dbgfs_##parent##_files.file_##name =                     \
61         debugfs_create_bool(#name, S_IWUSR | S_IRUSR,                   \
62                             dbgfs->dir_##parent, ptr);                  \
63         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
64                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
65                 goto err;                                               \
66 } while (0)
67
68 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
69         dbgfs->dbgfs_##parent##_files.file_##name =                     \
70         debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr);   \
71         if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
72                         || !dbgfs->dbgfs_##parent##_files.file_##name)  \
73                 goto err;                                               \
74 } while (0)
75
76 #define DEBUGFS_REMOVE(name)  do {              \
77         debugfs_remove(name);                   \
78         name = NULL;                            \
79 } while (0);
80
81 /* file operation */
82 #define DEBUGFS_READ_FUNC(name)                                         \
83 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
84                                         char __user *user_buf,          \
85                                         size_t count, loff_t *ppos);
86
87 #define DEBUGFS_WRITE_FUNC(name)                                        \
88 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
89                                         const char __user *user_buf,    \
90                                         size_t count, loff_t *ppos);
91
92
93 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
94 {
95         file->private_data = inode->i_private;
96         return 0;
97 }
98
99 #define DEBUGFS_READ_FILE_OPS(name)                                     \
100         DEBUGFS_READ_FUNC(name);                                        \
101 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
102         .read = iwl_dbgfs_##name##_read,                                \
103         .open = iwl_dbgfs_open_file_generic,                            \
104 };
105
106 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
107         DEBUGFS_WRITE_FUNC(name);                                       \
108 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
109         .write = iwl_dbgfs_##name##_write,                              \
110         .open = iwl_dbgfs_open_file_generic,                            \
111 };
112
113
114 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
115         DEBUGFS_READ_FUNC(name);                                        \
116         DEBUGFS_WRITE_FUNC(name);                                       \
117 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
118         .write = iwl_dbgfs_##name##_write,                              \
119         .read = iwl_dbgfs_##name##_read,                                \
120         .open = iwl_dbgfs_open_file_generic,                            \
121 };
122
123
124 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
125                                                 char __user *user_buf,
126                                                 size_t count, loff_t *ppos) {
127
128         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
129         char *buf;
130         int pos = 0;
131
132         int cnt;
133         ssize_t ret;
134         const size_t bufsz = 100 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
135         buf = kzalloc(bufsz, GFP_KERNEL);
136         if (!buf)
137                 return -ENOMEM;
138         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
139         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
140                 pos += scnprintf(buf + pos, bufsz - pos,
141                                  "\t%s\t\t: %u\n",
142                                  get_mgmt_string(cnt),
143                                  priv->tx_stats.mgmt[cnt]);
144         }
145         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
146         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
147                 pos += scnprintf(buf + pos, bufsz - pos,
148                                  "\t%s\t\t: %u\n",
149                                  get_ctrl_string(cnt),
150                                  priv->tx_stats.ctrl[cnt]);
151         }
152         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
153         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
154                          priv->tx_stats.data_cnt);
155         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
156                          priv->tx_stats.data_bytes);
157         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
158         kfree(buf);
159         return ret;
160 }
161
162 static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
163                                         const char __user *user_buf,
164                                         size_t count, loff_t *ppos)
165 {
166         struct iwl_priv *priv = file->private_data;
167         u32 clear_flag;
168         char buf[8];
169         int buf_size;
170
171         memset(buf, 0, sizeof(buf));
172         buf_size = min(count, sizeof(buf) -  1);
173         if (copy_from_user(buf, user_buf, buf_size))
174                 return -EFAULT;
175         if (sscanf(buf, "%x", &clear_flag) != 1)
176                 return -EFAULT;
177         if (clear_flag == 1)
178                 iwl_clear_tx_stats(priv);
179
180         return count;
181 }
182
183 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
184                                                 char __user *user_buf,
185                                                 size_t count, loff_t *ppos) {
186
187         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
188         char *buf;
189         int pos = 0;
190         int cnt;
191         ssize_t ret;
192         const size_t bufsz = 100 +
193                 sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
194         buf = kzalloc(bufsz, GFP_KERNEL);
195         if (!buf)
196                 return -ENOMEM;
197
198         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
199         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
200                 pos += scnprintf(buf + pos, bufsz - pos,
201                                  "\t%s\t\t: %u\n",
202                                  get_mgmt_string(cnt),
203                                  priv->rx_stats.mgmt[cnt]);
204         }
205         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
206         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
207                 pos += scnprintf(buf + pos, bufsz - pos,
208                                  "\t%s\t\t: %u\n",
209                                  get_ctrl_string(cnt),
210                                  priv->rx_stats.ctrl[cnt]);
211         }
212         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
213         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
214                          priv->rx_stats.data_cnt);
215         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
216                          priv->rx_stats.data_bytes);
217
218         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
219         kfree(buf);
220         return ret;
221 }
222
223 static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
224                                         const char __user *user_buf,
225                                         size_t count, loff_t *ppos)
226 {
227         struct iwl_priv *priv = file->private_data;
228         u32 clear_flag;
229         char buf[8];
230         int buf_size;
231
232         memset(buf, 0, sizeof(buf));
233         buf_size = min(count, sizeof(buf) -  1);
234         if (copy_from_user(buf, user_buf, buf_size))
235                 return -EFAULT;
236         if (sscanf(buf, "%x", &clear_flag) != 1)
237                 return -EFAULT;
238         if (clear_flag == 1)
239                 iwl_clear_rx_stats(priv);
240         return count;
241 }
242
243 #define BYTE1_MASK 0x000000ff;
244 #define BYTE2_MASK 0x0000ffff;
245 #define BYTE3_MASK 0x00ffffff;
246 static ssize_t iwl_dbgfs_sram_read(struct file *file,
247                                         char __user *user_buf,
248                                         size_t count, loff_t *ppos)
249 {
250         u32 val;
251         char buf[1024];
252         ssize_t ret;
253         int i;
254         int pos = 0;
255         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
256         const size_t bufsz = sizeof(buf);
257
258         for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
259                 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
260                                         priv->dbgfs->sram_len - i);
261                 if (i < 4) {
262                         switch (i) {
263                         case 1:
264                                 val &= BYTE1_MASK;
265                                 break;
266                         case 2:
267                                 val &= BYTE2_MASK;
268                                 break;
269                         case 3:
270                                 val &= BYTE3_MASK;
271                                 break;
272                         }
273                 }
274                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
275         }
276         pos += scnprintf(buf + pos, bufsz - pos, "\n");
277
278         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
279         return ret;
280 }
281
282 static ssize_t iwl_dbgfs_sram_write(struct file *file,
283                                         const char __user *user_buf,
284                                         size_t count, loff_t *ppos)
285 {
286         struct iwl_priv *priv = file->private_data;
287         char buf[64];
288         int buf_size;
289         u32 offset, len;
290
291         memset(buf, 0, sizeof(buf));
292         buf_size = min(count, sizeof(buf) -  1);
293         if (copy_from_user(buf, user_buf, buf_size))
294                 return -EFAULT;
295
296         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
297                 priv->dbgfs->sram_offset = offset;
298                 priv->dbgfs->sram_len = len;
299         } else {
300                 priv->dbgfs->sram_offset = 0;
301                 priv->dbgfs->sram_len = 0;
302         }
303
304         return count;
305 }
306
307 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
308                                         size_t count, loff_t *ppos)
309 {
310         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
311         struct iwl_station_entry *station;
312         int max_sta = priv->hw_params.max_stations;
313         char *buf;
314         int i, j, pos = 0;
315         ssize_t ret;
316         /* Add 30 for initial string */
317         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
318
319         buf = kmalloc(bufsz, GFP_KERNEL);
320         if (!buf)
321                 return -ENOMEM;
322
323         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
324                         priv->num_stations);
325
326         for (i = 0; i < max_sta; i++) {
327                 station = &priv->stations[i];
328                 if (station->used) {
329                         pos += scnprintf(buf + pos, bufsz - pos,
330                                         "station %d:\ngeneral data:\n", i+1);
331                         pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
332                                         station->sta.sta.sta_id);
333                         pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
334                                         station->sta.mode);
335                         pos += scnprintf(buf + pos, bufsz - pos,
336                                         "flags: 0x%x\n",
337                                         station->sta.station_flags_msk);
338                         pos += scnprintf(buf + pos, bufsz - pos,
339                                         "ps_status: %u\n", station->ps_status);
340                         pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
341                         pos += scnprintf(buf + pos, bufsz - pos,
342                                         "seq_num\t\ttxq_id");
343                         pos += scnprintf(buf + pos, bufsz - pos,
344                                         "\tframe_count\twait_for_ba\t");
345                         pos += scnprintf(buf + pos, bufsz - pos,
346                                         "start_idx\tbitmap0\t");
347                         pos += scnprintf(buf + pos, bufsz - pos,
348                                         "bitmap1\trate_n_flags");
349                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
350
351                         for (j = 0; j < MAX_TID_COUNT; j++) {
352                                 pos += scnprintf(buf + pos, bufsz - pos,
353                                                 "[%d]:\t\t%u", j,
354                                                 station->tid[j].seq_number);
355                                 pos += scnprintf(buf + pos, bufsz - pos,
356                                                 "\t%u\t\t%u\t\t%u\t\t",
357                                                 station->tid[j].agg.txq_id,
358                                                 station->tid[j].agg.frame_count,
359                                                 station->tid[j].agg.wait_for_ba);
360                                 pos += scnprintf(buf + pos, bufsz - pos,
361                                                 "%u\t%llu\t%u",
362                                                 station->tid[j].agg.start_idx,
363                                                 (unsigned long long)station->tid[j].agg.bitmap,
364                                                 station->tid[j].agg.rate_n_flags);
365                                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
366                         }
367                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
368                 }
369         }
370
371         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
372         kfree(buf);
373         return ret;
374 }
375
376 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
377                                        char __user *user_buf,
378                                        size_t count,
379                                        loff_t *ppos)
380 {
381         ssize_t ret;
382         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
383         int pos = 0, ofs = 0, buf_size = 0;
384         const u8 *ptr;
385         char *buf;
386         u16 eeprom_ver;
387         size_t eeprom_len = priv->cfg->eeprom_size;
388         buf_size = 4 * eeprom_len + 256;
389
390         if (eeprom_len % 16) {
391                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
392                 return -ENODATA;
393         }
394
395         ptr = priv->eeprom;
396         if (!ptr) {
397                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
398                 return -ENOMEM;
399         }
400
401         /* 4 characters for byte 0xYY */
402         buf = kzalloc(buf_size, GFP_KERNEL);
403         if (!buf) {
404                 IWL_ERR(priv, "Can not allocate Buffer\n");
405                 return -ENOMEM;
406         }
407         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
408         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
409                         "version: 0x%x\n",
410                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
411                          ? "OTP" : "EEPROM", eeprom_ver);
412         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
413                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
414                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
415                                    buf_size - pos, 0);
416                 pos += strlen(buf + pos);
417                 if (buf_size - pos > 0)
418                         buf[pos++] = '\n';
419         }
420
421         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
422         kfree(buf);
423         return ret;
424 }
425
426 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
427                                         const char __user *user_buf,
428                                         size_t count, loff_t *ppos)
429 {
430         struct iwl_priv *priv = file->private_data;
431         u32 event_log_flag;
432         char buf[8];
433         int buf_size;
434
435         memset(buf, 0, sizeof(buf));
436         buf_size = min(count, sizeof(buf) -  1);
437         if (copy_from_user(buf, user_buf, buf_size))
438                 return -EFAULT;
439         if (sscanf(buf, "%d", &event_log_flag) != 1)
440                 return -EFAULT;
441         if (event_log_flag == 1)
442                 priv->cfg->ops->lib->dump_nic_event_log(priv);
443
444         return count;
445 }
446
447
448
449 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
450                                        size_t count, loff_t *ppos)
451 {
452         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
453         struct ieee80211_channel *channels = NULL;
454         const struct ieee80211_supported_band *supp_band = NULL;
455         int pos = 0, i, bufsz = PAGE_SIZE;
456         char *buf;
457         ssize_t ret;
458
459         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
460                 return -EAGAIN;
461
462         buf = kzalloc(bufsz, GFP_KERNEL);
463         if (!buf) {
464                 IWL_ERR(priv, "Can not allocate Buffer\n");
465                 return -ENOMEM;
466         }
467
468         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
469         if (supp_band) {
470                 channels = supp_band->channels;
471
472                 pos += scnprintf(buf + pos, bufsz - pos,
473                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
474                                 supp_band->n_channels);
475
476                 for (i = 0; i < supp_band->n_channels; i++)
477                         pos += scnprintf(buf + pos, bufsz - pos,
478                                         "%d: %ddBm: BSS%s%s, %s.\n",
479                                         ieee80211_frequency_to_channel(
480                                         channels[i].center_freq),
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                                         ieee80211_frequency_to_channel(
504                                         channels[i].center_freq),
505                                         channels[i].max_power,
506                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
507                                         " (IEEE 802.11h required)" : "",
508                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
509                                         || (channels[i].flags &
510                                         IEEE80211_CHAN_RADAR)) ? "" :
511                                         ", IBSS",
512                                         channels[i].flags &
513                                         IEEE80211_CHAN_PASSIVE_SCAN ?
514                                         "passive only" : "active/passive");
515         }
516         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
517         kfree(buf);
518         return ret;
519 }
520
521 static ssize_t iwl_dbgfs_status_read(struct file *file,
522                                                 char __user *user_buf,
523                                                 size_t count, loff_t *ppos) {
524
525         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
526         char buf[512];
527         int pos = 0;
528         const size_t bufsz = sizeof(buf);
529
530         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
531                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
532         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
533                 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
534         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
535                 test_bit(STATUS_INT_ENABLED, &priv->status));
536         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
537                 test_bit(STATUS_RF_KILL_HW, &priv->status));
538         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
539                 test_bit(STATUS_CT_KILL, &priv->status));
540         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
541                 test_bit(STATUS_INIT, &priv->status));
542         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
543                 test_bit(STATUS_ALIVE, &priv->status));
544         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
545                 test_bit(STATUS_READY, &priv->status));
546         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
547                 test_bit(STATUS_TEMPERATURE, &priv->status));
548         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
549                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
550         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
551                 test_bit(STATUS_EXIT_PENDING, &priv->status));
552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
553                 test_bit(STATUS_STATISTICS, &priv->status));
554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
555                 test_bit(STATUS_SCANNING, &priv->status));
556         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
557                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
558         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
559                 test_bit(STATUS_SCAN_HW, &priv->status));
560         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
561                 test_bit(STATUS_POWER_PMI, &priv->status));
562         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
563                 test_bit(STATUS_FW_ERROR, &priv->status));
564         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
565                 test_bit(STATUS_MODE_PENDING, &priv->status));
566         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
567 }
568
569 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
570                                         char __user *user_buf,
571                                         size_t count, loff_t *ppos) {
572
573         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
574         int pos = 0;
575         int cnt = 0;
576         char *buf;
577         int bufsz = 24 * 64; /* 24 items * 64 char per item */
578         ssize_t ret;
579
580         buf = kzalloc(bufsz, GFP_KERNEL);
581         if (!buf) {
582                 IWL_ERR(priv, "Can not allocate Buffer\n");
583                 return -ENOMEM;
584         }
585
586         pos += scnprintf(buf + pos, bufsz - pos,
587                         "Interrupt Statistics Report:\n");
588
589         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
590                 priv->isr_stats.hw);
591         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
592                 priv->isr_stats.sw);
593         if (priv->isr_stats.sw > 0) {
594                 pos += scnprintf(buf + pos, bufsz - pos,
595                         "\tLast Restarting Code:  0x%X\n",
596                         priv->isr_stats.sw_err);
597         }
598 #ifdef CONFIG_IWLWIFI_DEBUG
599         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
600                 priv->isr_stats.sch);
601         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
602                 priv->isr_stats.alive);
603 #endif
604         pos += scnprintf(buf + pos, bufsz - pos,
605                 "HW RF KILL switch toggled:\t %u\n",
606                 priv->isr_stats.rfkill);
607
608         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
609                 priv->isr_stats.ctkill);
610
611         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
612                 priv->isr_stats.wakeup);
613
614         pos += scnprintf(buf + pos, bufsz - pos,
615                 "Rx command responses:\t\t %u\n",
616                 priv->isr_stats.rx);
617         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
618                 if (priv->isr_stats.rx_handlers[cnt] > 0)
619                         pos += scnprintf(buf + pos, bufsz - pos,
620                                 "\tRx handler[%36s]:\t\t %u\n",
621                                 get_cmd_string(cnt),
622                                 priv->isr_stats.rx_handlers[cnt]);
623         }
624
625         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
626                 priv->isr_stats.tx);
627
628         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
629                 priv->isr_stats.unhandled);
630
631         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
632         kfree(buf);
633         return ret;
634 }
635
636 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
637                                          const char __user *user_buf,
638                                          size_t count, loff_t *ppos)
639 {
640         struct iwl_priv *priv = file->private_data;
641         char buf[8];
642         int buf_size;
643         u32 reset_flag;
644
645         memset(buf, 0, sizeof(buf));
646         buf_size = min(count, sizeof(buf) -  1);
647         if (copy_from_user(buf, user_buf, buf_size))
648                 return -EFAULT;
649         if (sscanf(buf, "%x", &reset_flag) != 1)
650                 return -EFAULT;
651         if (reset_flag == 0)
652                 iwl_clear_isr_stats(priv);
653
654         return count;
655 }
656
657 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
658                                        size_t count, loff_t *ppos)
659 {
660         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
661         int pos = 0, i;
662         char buf[256];
663         const size_t bufsz = sizeof(buf);
664         ssize_t ret;
665
666         for (i = 0; i < AC_NUM; i++) {
667                 pos += scnprintf(buf + pos, bufsz - pos,
668                         "\tcw_min\tcw_max\taifsn\ttxop\n");
669                 pos += scnprintf(buf + pos, bufsz - pos,
670                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
671                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
672                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
673                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
674                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
675         }
676         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
677         return ret;
678 }
679
680 #ifdef CONFIG_IWLWIFI_LEDS
681 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
682                                   size_t count, loff_t *ppos)
683 {
684         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
685         int pos = 0;
686         char buf[256];
687         const size_t bufsz = sizeof(buf);
688         ssize_t ret;
689
690         pos += scnprintf(buf + pos, bufsz - pos,
691                          "allow blinking: %s\n",
692                          (priv->allow_blinking) ? "True" : "False");
693         if (priv->allow_blinking) {
694                 pos += scnprintf(buf + pos, bufsz - pos,
695                                  "Led blinking rate: %u\n",
696                                  priv->last_blink_rate);
697                 pos += scnprintf(buf + pos, bufsz - pos,
698                                  "Last blink time: %lu\n",
699                                  priv->last_blink_time);
700         }
701
702         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
703         return ret;
704 }
705 #endif
706
707 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
708                                 char __user *user_buf,
709                                 size_t count, loff_t *ppos)
710 {
711         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
712         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
713         struct iwl_tt_restriction *restriction;
714         char buf[100];
715         int pos = 0;
716         const size_t bufsz = sizeof(buf);
717         ssize_t ret;
718
719         pos += scnprintf(buf + pos, bufsz - pos,
720                         "Thermal Throttling Mode: %s\n",
721                         tt->advanced_tt ? "Advance" : "Legacy");
722         pos += scnprintf(buf + pos, bufsz - pos,
723                         "Thermal Throttling State: %d\n",
724                         tt->state);
725         if (tt->advanced_tt) {
726                 restriction = tt->restriction + tt->state;
727                 pos += scnprintf(buf + pos, bufsz - pos,
728                                 "Tx mode: %d\n",
729                                 restriction->tx_stream);
730                 pos += scnprintf(buf + pos, bufsz - pos,
731                                 "Rx mode: %d\n",
732                                 restriction->rx_stream);
733                 pos += scnprintf(buf + pos, bufsz - pos,
734                                 "HT mode: %d\n",
735                                 restriction->is_ht);
736         }
737         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
738         return ret;
739 }
740
741 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
742                                          const char __user *user_buf,
743                                          size_t count, loff_t *ppos)
744 {
745         struct iwl_priv *priv = file->private_data;
746         char buf[8];
747         int buf_size;
748         int ht40;
749
750         memset(buf, 0, sizeof(buf));
751         buf_size = min(count, sizeof(buf) -  1);
752         if (copy_from_user(buf, user_buf, buf_size))
753                 return -EFAULT;
754         if (sscanf(buf, "%d", &ht40) != 1)
755                 return -EFAULT;
756         if (!iwl_is_associated(priv))
757                 priv->disable_ht40 = ht40 ? true : false;
758         else {
759                 IWL_ERR(priv, "Sta associated with AP - "
760                         "Change to 40MHz channel support is not allowed\n");
761                 return -EINVAL;
762         }
763
764         return count;
765 }
766
767 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
768                                          char __user *user_buf,
769                                          size_t count, loff_t *ppos)
770 {
771         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
772         char buf[100];
773         int pos = 0;
774         const size_t bufsz = sizeof(buf);
775         ssize_t ret;
776
777         pos += scnprintf(buf + pos, bufsz - pos,
778                         "11n 40MHz Mode: %s\n",
779                         priv->disable_ht40 ? "Disabled" : "Enabled");
780         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
781         return ret;
782 }
783
784 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
785                                                     const char __user *user_buf,
786                                                     size_t count, loff_t *ppos)
787 {
788         struct iwl_priv *priv = file->private_data;
789         char buf[8];
790         int buf_size;
791         int value;
792
793         memset(buf, 0, sizeof(buf));
794         buf_size = min(count, sizeof(buf) -  1);
795         if (copy_from_user(buf, user_buf, buf_size))
796                 return -EFAULT;
797
798         if (sscanf(buf, "%d", &value) != 1)
799                 return -EINVAL;
800
801         /*
802          * Our users expect 0 to be "CAM", but 0 isn't actually
803          * valid here. However, let's not confuse them and present
804          * IWL_POWER_INDEX_1 as "1", not "0".
805          */
806         if (value > 0)
807                 value -= 1;
808
809         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
810                 return -EINVAL;
811
812         priv->power_data.debug_sleep_level_override = value;
813
814         iwl_power_update_mode(priv, false);
815
816         return count;
817 }
818
819 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
820                                                    char __user *user_buf,
821                                                    size_t count, loff_t *ppos)
822 {
823         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
824         char buf[10];
825         int pos, value;
826         const size_t bufsz = sizeof(buf);
827
828         /* see the write function */
829         value = priv->power_data.debug_sleep_level_override;
830         if (value >= 0)
831                 value += 1;
832
833         pos = scnprintf(buf, bufsz, "%d\n", value);
834         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
835 }
836
837 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
838                                                     char __user *user_buf,
839                                                     size_t count, loff_t *ppos)
840 {
841         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
842         char buf[200];
843         int pos = 0, i;
844         const size_t bufsz = sizeof(buf);
845         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
846
847         pos += scnprintf(buf + pos, bufsz - pos,
848                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
849         pos += scnprintf(buf + pos, bufsz - pos,
850                          "RX/TX timeout: %d/%d usec\n",
851                          le32_to_cpu(cmd->rx_data_timeout),
852                          le32_to_cpu(cmd->tx_data_timeout));
853         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
854                 pos += scnprintf(buf + pos, bufsz - pos,
855                                  "sleep_interval[%d]: %d\n", i,
856                                  le32_to_cpu(cmd->sleep_interval[i]));
857
858         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
859 }
860
861 DEBUGFS_READ_WRITE_FILE_OPS(sram);
862 DEBUGFS_WRITE_FILE_OPS(log_event);
863 DEBUGFS_READ_FILE_OPS(nvm);
864 DEBUGFS_READ_FILE_OPS(stations);
865 DEBUGFS_READ_FILE_OPS(channels);
866 DEBUGFS_READ_FILE_OPS(status);
867 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
868 DEBUGFS_READ_FILE_OPS(qos);
869 #ifdef CONFIG_IWLWIFI_LEDS
870 DEBUGFS_READ_FILE_OPS(led);
871 #endif
872 DEBUGFS_READ_FILE_OPS(thermal_throttling);
873 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
874 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
875 DEBUGFS_READ_FILE_OPS(current_sleep_command);
876
877 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
878                                          char __user *user_buf,
879                                          size_t count, loff_t *ppos)
880 {
881         struct iwl_priv *priv = file->private_data;
882         int pos = 0, ofs = 0;
883         int cnt = 0, entry;
884         struct iwl_tx_queue *txq;
885         struct iwl_queue *q;
886         struct iwl_rx_queue *rxq = &priv->rxq;
887         char *buf;
888         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
889                 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
890         const u8 *ptr;
891         ssize_t ret;
892
893         buf = kzalloc(bufsz, GFP_KERNEL);
894         if (!buf) {
895                 IWL_ERR(priv, "Can not allocate buffer\n");
896                 return -ENOMEM;
897         }
898         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
899         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
900                 txq = &priv->txq[cnt];
901                 q = &txq->q;
902                 pos += scnprintf(buf + pos, bufsz - pos,
903                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
904                                 cnt, q->read_ptr, q->write_ptr);
905         }
906         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
907                 ptr = priv->tx_traffic;
908                 pos += scnprintf(buf + pos, bufsz - pos,
909                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
910                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
911                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
912                              entry++,  ofs += 16) {
913                                 pos += scnprintf(buf + pos, bufsz - pos,
914                                                 "0x%.4x ", ofs);
915                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
916                                                    buf + pos, bufsz - pos, 0);
917                                 pos += strlen(buf + pos);
918                                 if (bufsz - pos > 0)
919                                         buf[pos++] = '\n';
920                         }
921                 }
922         }
923
924         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
925         pos += scnprintf(buf + pos, bufsz - pos,
926                         "read: %u, write: %u\n",
927                          rxq->read, rxq->write);
928
929         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
930                 ptr = priv->rx_traffic;
931                 pos += scnprintf(buf + pos, bufsz - pos,
932                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
933                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
934                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
935                              entry++,  ofs += 16) {
936                                 pos += scnprintf(buf + pos, bufsz - pos,
937                                                 "0x%.4x ", ofs);
938                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
939                                                    buf + pos, bufsz - pos, 0);
940                                 pos += strlen(buf + pos);
941                                 if (bufsz - pos > 0)
942                                         buf[pos++] = '\n';
943                         }
944                 }
945         }
946
947         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
948         kfree(buf);
949         return ret;
950 }
951
952 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
953                                          const char __user *user_buf,
954                                          size_t count, loff_t *ppos)
955 {
956         struct iwl_priv *priv = file->private_data;
957         char buf[8];
958         int buf_size;
959         int traffic_log;
960
961         memset(buf, 0, sizeof(buf));
962         buf_size = min(count, sizeof(buf) -  1);
963         if (copy_from_user(buf, user_buf, buf_size))
964                 return -EFAULT;
965         if (sscanf(buf, "%d", &traffic_log) != 1)
966                 return -EFAULT;
967         if (traffic_log == 0)
968                 iwl_reset_traffic_log(priv);
969
970         return count;
971 }
972
973 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
974                                                 char __user *user_buf,
975                                                 size_t count, loff_t *ppos) {
976
977         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
978         struct iwl_tx_queue *txq;
979         struct iwl_queue *q;
980         char *buf;
981         int pos = 0;
982         int cnt;
983         int ret;
984         const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
985
986         buf = kzalloc(bufsz, GFP_KERNEL);
987         if (!buf)
988                 return -ENOMEM;
989
990         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
991                 txq = &priv->txq[cnt];
992                 q = &txq->q;
993                 pos += scnprintf(buf + pos, bufsz - pos,
994                                 "hwq %.2d: read=%u write=%u stop=%d"
995                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
996                                 cnt, q->read_ptr, q->write_ptr,
997                                 !!test_bit(cnt, priv->queue_stopped),
998                                 txq->swq_id,
999                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1000                                 txq->swq_id,
1001                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1002                                 0x1f : txq->swq_id);
1003                 if (cnt >= 4)
1004                         continue;
1005                 /* for the ACs, display the stop count too */
1006                 pos += scnprintf(buf + pos, bufsz - pos,
1007                                 "        stop-count: %d\n",
1008                                 atomic_read(&priv->queue_stop_count[cnt]));
1009         }
1010         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1011         kfree(buf);
1012         return ret;
1013 }
1014
1015 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1016                                                 char __user *user_buf,
1017                                                 size_t count, loff_t *ppos) {
1018
1019         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1020         struct iwl_rx_queue *rxq = &priv->rxq;
1021         char buf[256];
1022         int pos = 0;
1023         const size_t bufsz = sizeof(buf);
1024
1025         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1026                                                 rxq->read);
1027         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1028                                                 rxq->write);
1029         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1030                                                 rxq->free_count);
1031         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1032                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1033         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1034 }
1035
1036 #define UCODE_STATISTICS_CLEAR_MSK              (0x1 << 0)
1037 #define UCODE_STATISTICS_FREQUENCY_MSK          (0x1 << 1)
1038 #define UCODE_STATISTICS_NARROW_BAND_MSK        (0x1 << 2)
1039
1040 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1041                                      int bufsz)
1042 {
1043         int p = 0;
1044
1045         p += scnprintf(buf + p, bufsz - p,
1046                 "Statistics Flag(0x%X):\n",
1047                 le32_to_cpu(priv->statistics.flag));
1048         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1049                 p += scnprintf(buf + p, bufsz - p,
1050                 "\tStatistics have been cleared\n");
1051         p += scnprintf(buf + p, bufsz - p,
1052                 "\tOperational Frequency: %s\n",
1053                 (le32_to_cpu(priv->statistics.flag) &
1054                 UCODE_STATISTICS_FREQUENCY_MSK)
1055                  ? "2.4 GHz" : "5.2 GHz");
1056         p += scnprintf(buf + p, bufsz - p,
1057                 "\tTGj Narrow Band: %s\n",
1058                 (le32_to_cpu(priv->statistics.flag) &
1059                 UCODE_STATISTICS_NARROW_BAND_MSK)
1060                  ? "enabled" : "disabled");
1061         return p;
1062 }
1063
1064
1065 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1066                                         char __user *user_buf,
1067                                         size_t count, loff_t *ppos)
1068 {
1069         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1070         int pos = 0;
1071         char *buf;
1072         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1073                 sizeof(struct statistics_rx_non_phy) * 20 +
1074                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1075         ssize_t ret;
1076         struct statistics_rx_phy *ofdm;
1077         struct statistics_rx_phy *cck;
1078         struct statistics_rx_non_phy *general;
1079         struct statistics_rx_ht_phy *ht;
1080
1081         if (!iwl_is_alive(priv))
1082                 return -EAGAIN;
1083
1084         /* make request to uCode to retrieve statistics information */
1085         mutex_lock(&priv->mutex);
1086         ret = iwl_send_statistics_request(priv, 0);
1087         mutex_unlock(&priv->mutex);
1088
1089         if (ret) {
1090                 IWL_ERR(priv,
1091                         "Error sending statistics request: %zd\n", ret);
1092                 return -EAGAIN;
1093         }
1094         buf = kzalloc(bufsz, GFP_KERNEL);
1095         if (!buf) {
1096                 IWL_ERR(priv, "Can not allocate Buffer\n");
1097                 return -ENOMEM;
1098         }
1099
1100         /* the statistic information display here is based on
1101          * the last statistics notification from uCode
1102          * might not reflect the current uCode activity
1103          */
1104         ofdm = &priv->statistics.rx.ofdm;
1105         cck = &priv->statistics.rx.cck;
1106         general = &priv->statistics.rx.general;
1107         ht = &priv->statistics.rx.ofdm_ht;
1108         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1109         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1110         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1111                          le32_to_cpu(ofdm->ina_cnt));
1112         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1113                          le32_to_cpu(ofdm->fina_cnt));
1114         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1115                          le32_to_cpu(ofdm->plcp_err));
1116         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1117                          le32_to_cpu(ofdm->crc32_err));
1118         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1119                          le32_to_cpu(ofdm->overrun_err));
1120         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1121                          le32_to_cpu(ofdm->early_overrun_err));
1122         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1123                          le32_to_cpu(ofdm->crc32_good));
1124         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1125                          le32_to_cpu(ofdm->false_alarm_cnt));
1126         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1127                          le32_to_cpu(ofdm->fina_sync_err_cnt));
1128         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1129                          le32_to_cpu(ofdm->sfd_timeout));
1130         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1131                          le32_to_cpu(ofdm->fina_timeout));
1132         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1133                          le32_to_cpu(ofdm->unresponded_rts));
1134         pos += scnprintf(buf + pos, bufsz - pos,
1135                         "rxe_frame_limit_overrun: %u\n",
1136                         le32_to_cpu(ofdm->rxe_frame_limit_overrun));
1137         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1138                          le32_to_cpu(ofdm->sent_ack_cnt));
1139         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1140                          le32_to_cpu(ofdm->sent_cts_cnt));
1141         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1142                          le32_to_cpu(ofdm->sent_ba_rsp_cnt));
1143         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1144                          le32_to_cpu(ofdm->dsp_self_kill));
1145         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1146                          le32_to_cpu(ofdm->mh_format_err));
1147         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1148                          le32_to_cpu(ofdm->re_acq_main_rssi_sum));
1149
1150         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1151         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1152                          le32_to_cpu(cck->ina_cnt));
1153         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1154                          le32_to_cpu(cck->fina_cnt));
1155         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1156                          le32_to_cpu(cck->plcp_err));
1157         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1158                          le32_to_cpu(cck->crc32_err));
1159         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1160                          le32_to_cpu(cck->overrun_err));
1161         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1162                          le32_to_cpu(cck->early_overrun_err));
1163         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1164                          le32_to_cpu(cck->crc32_good));
1165         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1166                          le32_to_cpu(cck->false_alarm_cnt));
1167         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1168                          le32_to_cpu(cck->fina_sync_err_cnt));
1169         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1170                          le32_to_cpu(cck->sfd_timeout));
1171         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1172                          le32_to_cpu(cck->fina_timeout));
1173         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1174                          le32_to_cpu(cck->unresponded_rts));
1175         pos += scnprintf(buf + pos, bufsz - pos,
1176                         "rxe_frame_limit_overrun: %u\n",
1177                         le32_to_cpu(cck->rxe_frame_limit_overrun));
1178         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1179                          le32_to_cpu(cck->sent_ack_cnt));
1180         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1181                          le32_to_cpu(cck->sent_cts_cnt));
1182         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1183                          le32_to_cpu(cck->sent_ba_rsp_cnt));
1184         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1185                          le32_to_cpu(cck->dsp_self_kill));
1186         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1187                          le32_to_cpu(cck->mh_format_err));
1188         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1189                          le32_to_cpu(cck->re_acq_main_rssi_sum));
1190
1191         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1192         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
1193                          le32_to_cpu(general->bogus_cts));
1194         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
1195                          le32_to_cpu(general->bogus_ack));
1196         pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
1197                          le32_to_cpu(general->non_bssid_frames));
1198         pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
1199                          le32_to_cpu(general->filtered_frames));
1200         pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
1201                          le32_to_cpu(general->non_channel_beacons));
1202         pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
1203                          le32_to_cpu(general->channel_beacons));
1204         pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
1205                          le32_to_cpu(general->num_missed_bcon));
1206         pos += scnprintf(buf + pos, bufsz - pos,
1207                         "adc_rx_saturation_time: %u\n",
1208                         le32_to_cpu(general->adc_rx_saturation_time));
1209         pos += scnprintf(buf + pos, bufsz - pos,
1210                         "ina_detection_search_time: %u\n",
1211                         le32_to_cpu(general->ina_detection_search_time));
1212         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
1213                          le32_to_cpu(general->beacon_silence_rssi_a));
1214         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
1215                          le32_to_cpu(general->beacon_silence_rssi_b));
1216         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
1217                          le32_to_cpu(general->beacon_silence_rssi_c));
1218         pos += scnprintf(buf + pos, bufsz - pos,
1219                         "interference_data_flag: %u\n",
1220                         le32_to_cpu(general->interference_data_flag));
1221         pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
1222                          le32_to_cpu(general->channel_load));
1223         pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
1224                          le32_to_cpu(general->dsp_false_alarms));
1225         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
1226                          le32_to_cpu(general->beacon_rssi_a));
1227         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
1228                          le32_to_cpu(general->beacon_rssi_b));
1229         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
1230                          le32_to_cpu(general->beacon_rssi_c));
1231         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
1232                          le32_to_cpu(general->beacon_energy_a));
1233         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
1234                          le32_to_cpu(general->beacon_energy_b));
1235         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
1236                          le32_to_cpu(general->beacon_energy_c));
1237
1238         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1239         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1240                          le32_to_cpu(ht->plcp_err));
1241         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1242                          le32_to_cpu(ht->overrun_err));
1243         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1244                          le32_to_cpu(ht->early_overrun_err));
1245         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1246                          le32_to_cpu(ht->crc32_good));
1247         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1248                          le32_to_cpu(ht->crc32_err));
1249         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1250                          le32_to_cpu(ht->mh_format_err));
1251         pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
1252                          le32_to_cpu(ht->agg_crc32_good));
1253         pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
1254                          le32_to_cpu(ht->agg_mpdu_cnt));
1255         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
1256                          le32_to_cpu(ht->agg_cnt));
1257
1258         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1259         kfree(buf);
1260         return ret;
1261 }
1262
1263 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1264                                         char __user *user_buf,
1265                                         size_t count, loff_t *ppos)
1266 {
1267         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1268         int pos = 0;
1269         char *buf;
1270         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1271         ssize_t ret;
1272         struct statistics_tx *tx;
1273
1274         if (!iwl_is_alive(priv))
1275                 return -EAGAIN;
1276
1277         /* make request to uCode to retrieve statistics information */
1278         mutex_lock(&priv->mutex);
1279         ret = iwl_send_statistics_request(priv, 0);
1280         mutex_unlock(&priv->mutex);
1281
1282         if (ret) {
1283                 IWL_ERR(priv,
1284                         "Error sending statistics request: %zd\n", ret);
1285                 return -EAGAIN;
1286         }
1287         buf = kzalloc(bufsz, GFP_KERNEL);
1288         if (!buf) {
1289                 IWL_ERR(priv, "Can not allocate Buffer\n");
1290                 return -ENOMEM;
1291         }
1292
1293         /* the statistic information display here is based on
1294          * the last statistics notification from uCode
1295          * might not reflect the current uCode activity
1296          */
1297         tx = &priv->statistics.tx;
1298         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1299         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1300         pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
1301                          le32_to_cpu(tx->preamble_cnt));
1302         pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
1303                          le32_to_cpu(tx->rx_detected_cnt));
1304         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
1305                          le32_to_cpu(tx->bt_prio_defer_cnt));
1306         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
1307                          le32_to_cpu(tx->bt_prio_kill_cnt));
1308         pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
1309                          le32_to_cpu(tx->few_bytes_cnt));
1310         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
1311                          le32_to_cpu(tx->cts_timeout));
1312         pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
1313                          le32_to_cpu(tx->ack_timeout));
1314         pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
1315                          le32_to_cpu(tx->expected_ack_cnt));
1316         pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
1317                          le32_to_cpu(tx->actual_ack_cnt));
1318         pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
1319                          le32_to_cpu(tx->dump_msdu_cnt));
1320         pos += scnprintf(buf + pos, bufsz - pos,
1321                         "burst_abort_next_frame_mismatch_cnt: %u\n",
1322                         le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                         "burst_abort_missing_next_frame_cnt: %u\n",
1325                         le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
1326         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
1327                          le32_to_cpu(tx->cts_timeout_collision));
1328         pos += scnprintf(buf + pos, bufsz - pos,
1329                         "ack_or_ba_timeout_collision: %u\n",
1330                         le32_to_cpu(tx->ack_or_ba_timeout_collision));
1331         pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
1332                          le32_to_cpu(tx->agg.ba_timeout));
1333         pos += scnprintf(buf + pos, bufsz - pos,
1334                         "agg ba_reschedule_frames: %u\n",
1335                         le32_to_cpu(tx->agg.ba_reschedule_frames));
1336         pos += scnprintf(buf + pos, bufsz - pos,
1337                         "agg scd_query_agg_frame_cnt: %u\n",
1338                         le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
1339         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
1340                          le32_to_cpu(tx->agg.scd_query_no_agg));
1341         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
1342                          le32_to_cpu(tx->agg.scd_query_agg));
1343         pos += scnprintf(buf + pos, bufsz - pos,
1344                         "agg scd_query_mismatch: %u\n",
1345                         le32_to_cpu(tx->agg.scd_query_mismatch));
1346         pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
1347                          le32_to_cpu(tx->agg.frame_not_ready));
1348         pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
1349                          le32_to_cpu(tx->agg.underrun));
1350         pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
1351                          le32_to_cpu(tx->agg.bt_prio_kill));
1352         pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
1353                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
1354
1355         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1356         kfree(buf);
1357         return ret;
1358 }
1359
1360 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1361                                         char __user *user_buf,
1362                                         size_t count, loff_t *ppos)
1363 {
1364         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1365         int pos = 0;
1366         char *buf;
1367         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1368         ssize_t ret;
1369         struct statistics_general *general;
1370         struct statistics_dbg *dbg;
1371         struct statistics_div *div;
1372
1373         if (!iwl_is_alive(priv))
1374                 return -EAGAIN;
1375
1376         /* make request to uCode to retrieve statistics information */
1377         mutex_lock(&priv->mutex);
1378         ret = iwl_send_statistics_request(priv, 0);
1379         mutex_unlock(&priv->mutex);
1380
1381         if (ret) {
1382                 IWL_ERR(priv,
1383                         "Error sending statistics request: %zd\n", ret);
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         general = &priv->statistics.general;
1397         dbg = &priv->statistics.general.dbg;
1398         div = &priv->statistics.general.div;
1399         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1400         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1401         pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
1402                          le32_to_cpu(general->temperature));
1403         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
1404                          le32_to_cpu(general->temperature_m));
1405         pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
1406                          le32_to_cpu(dbg->burst_check));
1407         pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
1408                          le32_to_cpu(dbg->burst_count));
1409         pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
1410                          le32_to_cpu(general->sleep_time));
1411         pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
1412                          le32_to_cpu(general->slots_out));
1413         pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
1414                          le32_to_cpu(general->slots_idle));
1415         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
1416                          le32_to_cpu(general->ttl_timestamp));
1417         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
1418                          le32_to_cpu(div->tx_on_a));
1419         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
1420                          le32_to_cpu(div->tx_on_b));
1421         pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
1422                          le32_to_cpu(div->exec_time));
1423         pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
1424                          le32_to_cpu(div->probe_time));
1425         pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
1426                          le32_to_cpu(general->rx_enable_counter));
1427         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1428         kfree(buf);
1429         return ret;
1430 }
1431
1432 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1433                                         char __user *user_buf,
1434                                         size_t count, loff_t *ppos) {
1435
1436         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1437         int pos = 0;
1438         int cnt = 0;
1439         char *buf;
1440         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1441         ssize_t ret;
1442         struct iwl_sensitivity_data *data;
1443
1444         data = &priv->sensitivity_data;
1445         buf = kzalloc(bufsz, GFP_KERNEL);
1446         if (!buf) {
1447                 IWL_ERR(priv, "Can not allocate Buffer\n");
1448                 return -ENOMEM;
1449         }
1450
1451         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1452                         data->auto_corr_ofdm);
1453         pos += scnprintf(buf + pos, bufsz - pos,
1454                         "auto_corr_ofdm_mrc:\t\t %u\n",
1455                         data->auto_corr_ofdm_mrc);
1456         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1457                         data->auto_corr_ofdm_x1);
1458         pos += scnprintf(buf + pos, bufsz - pos,
1459                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1460                         data->auto_corr_ofdm_mrc_x1);
1461         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1462                         data->auto_corr_cck);
1463         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1464                         data->auto_corr_cck_mrc);
1465         pos += scnprintf(buf + pos, bufsz - pos,
1466                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1467                         data->last_bad_plcp_cnt_ofdm);
1468         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1469                         data->last_fa_cnt_ofdm);
1470         pos += scnprintf(buf + pos, bufsz - pos,
1471                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1472                         data->last_bad_plcp_cnt_cck);
1473         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1474                         data->last_fa_cnt_cck);
1475         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1476                         data->nrg_curr_state);
1477         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1478                         data->nrg_prev_state);
1479         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1480         for (cnt = 0; cnt < 10; cnt++) {
1481                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1482                                 data->nrg_value[cnt]);
1483         }
1484         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1485         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1486         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1487                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1488                                 data->nrg_silence_rssi[cnt]);
1489         }
1490         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1491         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1492                         data->nrg_silence_ref);
1493         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1494                         data->nrg_energy_idx);
1495         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1496                         data->nrg_silence_idx);
1497         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1498                         data->nrg_th_cck);
1499         pos += scnprintf(buf + pos, bufsz - pos,
1500                         "nrg_auto_corr_silence_diff:\t %u\n",
1501                         data->nrg_auto_corr_silence_diff);
1502         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1503                         data->num_in_cck_no_fa);
1504         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1505                         data->nrg_th_ofdm);
1506
1507         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1508         kfree(buf);
1509         return ret;
1510 }
1511
1512
1513 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1514                                         char __user *user_buf,
1515                                         size_t count, loff_t *ppos) {
1516
1517         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1518         int pos = 0;
1519         int cnt = 0;
1520         char *buf;
1521         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1522         ssize_t ret;
1523         struct iwl_chain_noise_data *data;
1524
1525         data = &priv->chain_noise_data;
1526         buf = kzalloc(bufsz, GFP_KERNEL);
1527         if (!buf) {
1528                 IWL_ERR(priv, "Can not allocate Buffer\n");
1529                 return -ENOMEM;
1530         }
1531
1532         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1533                         data->active_chains);
1534         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1535                         data->chain_noise_a);
1536         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1537                         data->chain_noise_b);
1538         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1539                         data->chain_noise_c);
1540         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1541                         data->chain_signal_a);
1542         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1543                         data->chain_signal_b);
1544         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1545                         data->chain_signal_c);
1546         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1547                         data->beacon_count);
1548
1549         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1550         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1551                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1552                                 data->disconn_array[cnt]);
1553         }
1554         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1555         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1556         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1557                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1558                                 data->delta_gain_code[cnt]);
1559         }
1560         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1561         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1562                         data->radio_write);
1563         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1564                         data->state);
1565
1566         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1567         kfree(buf);
1568         return ret;
1569 }
1570
1571 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1572                                         char __user *user_buf,
1573                                         size_t count, loff_t *ppos) {
1574
1575         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1576         char buf[128];
1577         int pos = 0;
1578         ssize_t ret;
1579         const size_t bufsz = sizeof(buf);
1580         struct statistics_tx *tx;
1581
1582         if (!iwl_is_alive(priv))
1583                 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1584         else {
1585                 /* make request to uCode to retrieve statistics information */
1586                 mutex_lock(&priv->mutex);
1587                 ret = iwl_send_statistics_request(priv, 0);
1588                 mutex_unlock(&priv->mutex);
1589
1590                 if (ret) {
1591                         IWL_ERR(priv, "Error sending statistics request: %zd\n",
1592                                 ret);
1593                         return -EAGAIN;
1594                 }
1595                 tx = &priv->statistics.tx;
1596                 if (tx->tx_power.ant_a ||
1597                     tx->tx_power.ant_b ||
1598                     tx->tx_power.ant_c) {
1599                         pos += scnprintf(buf + pos, bufsz - pos,
1600                                 "tx power: (1/2 dB step)\n");
1601                         if ((priv->cfg->valid_tx_ant & ANT_A) &&
1602                             tx->tx_power.ant_a)
1603                                 pos += scnprintf(buf + pos, bufsz - pos,
1604                                                 "\tantenna A: 0x%X\n",
1605                                                 tx->tx_power.ant_a);
1606                         if ((priv->cfg->valid_tx_ant & ANT_B) &&
1607                             tx->tx_power.ant_b)
1608                                 pos += scnprintf(buf + pos, bufsz - pos,
1609                                                 "\tantenna B: 0x%X\n",
1610                                                 tx->tx_power.ant_b);
1611                         if ((priv->cfg->valid_tx_ant & ANT_C) &&
1612                             tx->tx_power.ant_c)
1613                                 pos += scnprintf(buf + pos, bufsz - pos,
1614                                                 "\tantenna C: 0x%X\n",
1615                                                 tx->tx_power.ant_c);
1616                 } else
1617                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1618         }
1619         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1620 }
1621
1622 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1623 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1624 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1625 DEBUGFS_READ_FILE_OPS(rx_queue);
1626 DEBUGFS_READ_FILE_OPS(tx_queue);
1627 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1628 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1629 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1630 DEBUGFS_READ_FILE_OPS(sensitivity);
1631 DEBUGFS_READ_FILE_OPS(chain_noise);
1632 DEBUGFS_READ_FILE_OPS(tx_power);
1633
1634 /*
1635  * Create the debugfs files and directories
1636  *
1637  */
1638 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1639 {
1640         struct iwl_debugfs *dbgfs;
1641         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1642         int ret = 0;
1643
1644         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1645         if (!dbgfs) {
1646                 ret = -ENOMEM;
1647                 goto err;
1648         }
1649
1650         priv->dbgfs = dbgfs;
1651         dbgfs->name = name;
1652         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1653         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1654                 ret = -ENOENT;
1655                 goto err;
1656         }
1657
1658         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1659         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1660         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1661         DEBUGFS_ADD_FILE(nvm, data);
1662         DEBUGFS_ADD_FILE(sram, data);
1663         DEBUGFS_ADD_FILE(log_event, data);
1664         DEBUGFS_ADD_FILE(stations, data);
1665         DEBUGFS_ADD_FILE(channels, data);
1666         DEBUGFS_ADD_FILE(status, data);
1667         DEBUGFS_ADD_FILE(interrupt, data);
1668         DEBUGFS_ADD_FILE(qos, data);
1669 #ifdef CONFIG_IWLWIFI_LEDS
1670         DEBUGFS_ADD_FILE(led, data);
1671 #endif
1672         DEBUGFS_ADD_FILE(sleep_level_override, data);
1673         DEBUGFS_ADD_FILE(current_sleep_command, data);
1674         DEBUGFS_ADD_FILE(thermal_throttling, data);
1675         DEBUGFS_ADD_FILE(disable_ht40, data);
1676         DEBUGFS_ADD_FILE(rx_statistics, debug);
1677         DEBUGFS_ADD_FILE(tx_statistics, debug);
1678         DEBUGFS_ADD_FILE(traffic_log, debug);
1679         DEBUGFS_ADD_FILE(rx_queue, debug);
1680         DEBUGFS_ADD_FILE(tx_queue, debug);
1681         DEBUGFS_ADD_FILE(tx_power, debug);
1682         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1683                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1684                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1685                 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1686                 DEBUGFS_ADD_FILE(sensitivity, debug);
1687                 DEBUGFS_ADD_FILE(chain_noise, debug);
1688         }
1689         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1690         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1691                          &priv->disable_chain_noise_cal);
1692         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1693             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1694                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1695                                 &priv->disable_tx_power_cal);
1696         return 0;
1697
1698 err:
1699         IWL_ERR(priv, "Can't open the debugfs directory\n");
1700         iwl_dbgfs_unregister(priv);
1701         return ret;
1702 }
1703 EXPORT_SYMBOL(iwl_dbgfs_register);
1704
1705 /**
1706  * Remove the debugfs files and directories
1707  *
1708  */
1709 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1710 {
1711         if (!priv->dbgfs)
1712                 return;
1713
1714         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1715         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1716         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1717         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1718         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1719         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1720         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1721         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1722         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1723         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1724 #ifdef CONFIG_IWLWIFI_LEDS
1725         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1726 #endif
1727         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1728         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1729         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1730         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1731         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1732         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1733         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1734         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1735         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1736         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1737                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1738                         file_ucode_rx_stats);
1739                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1740                         file_ucode_tx_stats);
1741                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1742                         file_ucode_general_stats);
1743                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1744                         file_sensitivity);
1745                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1746                         file_chain_noise);
1747         }
1748         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1749         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1750         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1751         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1752             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1753                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1754         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1755         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1756         kfree(priv->dbgfs);
1757         priv->dbgfs = NULL;
1758 }
1759 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1760
1761
1762