a198bcf6102287121da544906fe333c6838099e6
[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         size_t eeprom_len = priv->cfg->eeprom_size;
387         buf_size = 4 * eeprom_len + 256;
388
389         if (eeprom_len % 16) {
390                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
391                 return -ENODATA;
392         }
393
394         ptr = priv->eeprom;
395         if (!ptr) {
396                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
397                 return -ENOMEM;
398         }
399
400         /* 4 characters for byte 0xYY */
401         buf = kzalloc(buf_size, GFP_KERNEL);
402         if (!buf) {
403                 IWL_ERR(priv, "Can not allocate Buffer\n");
404                 return -ENOMEM;
405         }
406         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
407                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
408                         ? "OTP" : "EEPROM");
409         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
410                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
411                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
412                                    buf_size - pos, 0);
413                 pos += strlen(buf + pos);
414                 if (buf_size - pos > 0)
415                         buf[pos++] = '\n';
416         }
417
418         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
419         kfree(buf);
420         return ret;
421 }
422
423 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
424                                         const char __user *user_buf,
425                                         size_t count, loff_t *ppos)
426 {
427         struct iwl_priv *priv = file->private_data;
428         u32 event_log_flag;
429         char buf[8];
430         int buf_size;
431
432         memset(buf, 0, sizeof(buf));
433         buf_size = min(count, sizeof(buf) -  1);
434         if (copy_from_user(buf, user_buf, buf_size))
435                 return -EFAULT;
436         if (sscanf(buf, "%d", &event_log_flag) != 1)
437                 return -EFAULT;
438         if (event_log_flag == 1)
439                 priv->cfg->ops->lib->dump_nic_event_log(priv);
440
441         return count;
442 }
443
444
445
446 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
447                                        size_t count, loff_t *ppos)
448 {
449         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
450         struct ieee80211_channel *channels = NULL;
451         const struct ieee80211_supported_band *supp_band = NULL;
452         int pos = 0, i, bufsz = PAGE_SIZE;
453         char *buf;
454         ssize_t ret;
455
456         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
457                 return -EAGAIN;
458
459         buf = kzalloc(bufsz, GFP_KERNEL);
460         if (!buf) {
461                 IWL_ERR(priv, "Can not allocate Buffer\n");
462                 return -ENOMEM;
463         }
464
465         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
466         if (supp_band) {
467                 channels = supp_band->channels;
468
469                 pos += scnprintf(buf + pos, bufsz - pos,
470                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
471                                 supp_band->n_channels);
472
473                 for (i = 0; i < supp_band->n_channels; i++)
474                         pos += scnprintf(buf + pos, bufsz - pos,
475                                         "%d: %ddBm: BSS%s%s, %s.\n",
476                                         ieee80211_frequency_to_channel(
477                                         channels[i].center_freq),
478                                         channels[i].max_power,
479                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
480                                         " (IEEE 802.11h required)" : "",
481                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
482                                         || (channels[i].flags &
483                                         IEEE80211_CHAN_RADAR)) ? "" :
484                                         ", IBSS",
485                                         channels[i].flags &
486                                         IEEE80211_CHAN_PASSIVE_SCAN ?
487                                         "passive only" : "active/passive");
488         }
489         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
490         if (supp_band) {
491                 channels = supp_band->channels;
492
493                 pos += scnprintf(buf + pos, bufsz - pos,
494                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
495                                 supp_band->n_channels);
496
497                 for (i = 0; i < supp_band->n_channels; i++)
498                         pos += scnprintf(buf + pos, bufsz - pos,
499                                         "%d: %ddBm: BSS%s%s, %s.\n",
500                                         ieee80211_frequency_to_channel(
501                                         channels[i].center_freq),
502                                         channels[i].max_power,
503                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
504                                         " (IEEE 802.11h required)" : "",
505                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
506                                         || (channels[i].flags &
507                                         IEEE80211_CHAN_RADAR)) ? "" :
508                                         ", IBSS",
509                                         channels[i].flags &
510                                         IEEE80211_CHAN_PASSIVE_SCAN ?
511                                         "passive only" : "active/passive");
512         }
513         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
514         kfree(buf);
515         return ret;
516 }
517
518 static ssize_t iwl_dbgfs_status_read(struct file *file,
519                                                 char __user *user_buf,
520                                                 size_t count, loff_t *ppos) {
521
522         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
523         char buf[512];
524         int pos = 0;
525         const size_t bufsz = sizeof(buf);
526
527         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
528                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
530                 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
532                 test_bit(STATUS_INT_ENABLED, &priv->status));
533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
534                 test_bit(STATUS_RF_KILL_HW, &priv->status));
535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
536                 test_bit(STATUS_INIT, &priv->status));
537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
538                 test_bit(STATUS_ALIVE, &priv->status));
539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
540                 test_bit(STATUS_READY, &priv->status));
541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
542                 test_bit(STATUS_TEMPERATURE, &priv->status));
543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
544                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
546                 test_bit(STATUS_EXIT_PENDING, &priv->status));
547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
548                 test_bit(STATUS_STATISTICS, &priv->status));
549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
550                 test_bit(STATUS_SCANNING, &priv->status));
551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
552                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
553         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
554                 test_bit(STATUS_SCAN_HW, &priv->status));
555         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
556                 test_bit(STATUS_POWER_PMI, &priv->status));
557         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
558                 test_bit(STATUS_FW_ERROR, &priv->status));
559         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
560                 test_bit(STATUS_MODE_PENDING, &priv->status));
561         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
562 }
563
564 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
565                                         char __user *user_buf,
566                                         size_t count, loff_t *ppos) {
567
568         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
569         int pos = 0;
570         int cnt = 0;
571         char *buf;
572         int bufsz = 24 * 64; /* 24 items * 64 char per item */
573         ssize_t ret;
574
575         buf = kzalloc(bufsz, GFP_KERNEL);
576         if (!buf) {
577                 IWL_ERR(priv, "Can not allocate Buffer\n");
578                 return -ENOMEM;
579         }
580
581         pos += scnprintf(buf + pos, bufsz - pos,
582                         "Interrupt Statistics Report:\n");
583
584         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
585                 priv->isr_stats.hw);
586         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
587                 priv->isr_stats.sw);
588         if (priv->isr_stats.sw > 0) {
589                 pos += scnprintf(buf + pos, bufsz - pos,
590                         "\tLast Restarting Code:  0x%X\n",
591                         priv->isr_stats.sw_err);
592         }
593 #ifdef CONFIG_IWLWIFI_DEBUG
594         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
595                 priv->isr_stats.sch);
596         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
597                 priv->isr_stats.alive);
598 #endif
599         pos += scnprintf(buf + pos, bufsz - pos,
600                 "HW RF KILL switch toggled:\t %u\n",
601                 priv->isr_stats.rfkill);
602
603         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
604                 priv->isr_stats.ctkill);
605
606         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
607                 priv->isr_stats.wakeup);
608
609         pos += scnprintf(buf + pos, bufsz - pos,
610                 "Rx command responses:\t\t %u\n",
611                 priv->isr_stats.rx);
612         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
613                 if (priv->isr_stats.rx_handlers[cnt] > 0)
614                         pos += scnprintf(buf + pos, bufsz - pos,
615                                 "\tRx handler[%36s]:\t\t %u\n",
616                                 get_cmd_string(cnt),
617                                 priv->isr_stats.rx_handlers[cnt]);
618         }
619
620         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
621                 priv->isr_stats.tx);
622
623         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
624                 priv->isr_stats.unhandled);
625
626         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
627         kfree(buf);
628         return ret;
629 }
630
631 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
632                                          const char __user *user_buf,
633                                          size_t count, loff_t *ppos)
634 {
635         struct iwl_priv *priv = file->private_data;
636         char buf[8];
637         int buf_size;
638         u32 reset_flag;
639
640         memset(buf, 0, sizeof(buf));
641         buf_size = min(count, sizeof(buf) -  1);
642         if (copy_from_user(buf, user_buf, buf_size))
643                 return -EFAULT;
644         if (sscanf(buf, "%x", &reset_flag) != 1)
645                 return -EFAULT;
646         if (reset_flag == 0)
647                 iwl_clear_isr_stats(priv);
648
649         return count;
650 }
651
652 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
653                                        size_t count, loff_t *ppos)
654 {
655         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
656         int pos = 0, i;
657         char buf[256];
658         const size_t bufsz = sizeof(buf);
659         ssize_t ret;
660
661         for (i = 0; i < AC_NUM; i++) {
662                 pos += scnprintf(buf + pos, bufsz - pos,
663                         "\tcw_min\tcw_max\taifsn\ttxop\n");
664                 pos += scnprintf(buf + pos, bufsz - pos,
665                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
666                                 priv->qos_data.def_qos_parm.ac[i].cw_min,
667                                 priv->qos_data.def_qos_parm.ac[i].cw_max,
668                                 priv->qos_data.def_qos_parm.ac[i].aifsn,
669                                 priv->qos_data.def_qos_parm.ac[i].edca_txop);
670         }
671         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
672         return ret;
673 }
674
675 #ifdef CONFIG_IWLWIFI_LEDS
676 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
677                                   size_t count, loff_t *ppos)
678 {
679         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
680         int pos = 0;
681         char buf[256];
682         const size_t bufsz = sizeof(buf);
683         ssize_t ret;
684
685         pos += scnprintf(buf + pos, bufsz - pos,
686                          "allow blinking: %s\n",
687                          (priv->allow_blinking) ? "True" : "False");
688         if (priv->allow_blinking) {
689                 pos += scnprintf(buf + pos, bufsz - pos,
690                                  "Led blinking rate: %u\n",
691                                  priv->last_blink_rate);
692                 pos += scnprintf(buf + pos, bufsz - pos,
693                                  "Last blink time: %lu\n",
694                                  priv->last_blink_time);
695         }
696
697         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
698         return ret;
699 }
700 #endif
701
702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
703                                 char __user *user_buf,
704                                 size_t count, loff_t *ppos)
705 {
706         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
707         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
708         struct iwl_tt_restriction *restriction;
709         char buf[100];
710         int pos = 0;
711         const size_t bufsz = sizeof(buf);
712         ssize_t ret;
713
714         pos += scnprintf(buf + pos, bufsz - pos,
715                         "Thermal Throttling Mode: %s\n",
716                         tt->advanced_tt ? "Advance" : "Legacy");
717         pos += scnprintf(buf + pos, bufsz - pos,
718                         "Thermal Throttling State: %d\n",
719                         tt->state);
720         if (tt->advanced_tt) {
721                 restriction = tt->restriction + tt->state;
722                 pos += scnprintf(buf + pos, bufsz - pos,
723                                 "Tx mode: %d\n",
724                                 restriction->tx_stream);
725                 pos += scnprintf(buf + pos, bufsz - pos,
726                                 "Rx mode: %d\n",
727                                 restriction->rx_stream);
728                 pos += scnprintf(buf + pos, bufsz - pos,
729                                 "HT mode: %d\n",
730                                 restriction->is_ht);
731         }
732         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
733         return ret;
734 }
735
736 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
737                                          const char __user *user_buf,
738                                          size_t count, loff_t *ppos)
739 {
740         struct iwl_priv *priv = file->private_data;
741         char buf[8];
742         int buf_size;
743         int ht40;
744
745         memset(buf, 0, sizeof(buf));
746         buf_size = min(count, sizeof(buf) -  1);
747         if (copy_from_user(buf, user_buf, buf_size))
748                 return -EFAULT;
749         if (sscanf(buf, "%d", &ht40) != 1)
750                 return -EFAULT;
751         if (!iwl_is_associated(priv))
752                 priv->disable_ht40 = ht40 ? true : false;
753         else {
754                 IWL_ERR(priv, "Sta associated with AP - "
755                         "Change to 40MHz channel support is not allowed\n");
756                 return -EINVAL;
757         }
758
759         return count;
760 }
761
762 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
763                                          char __user *user_buf,
764                                          size_t count, loff_t *ppos)
765 {
766         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
767         char buf[100];
768         int pos = 0;
769         const size_t bufsz = sizeof(buf);
770         ssize_t ret;
771
772         pos += scnprintf(buf + pos, bufsz - pos,
773                         "11n 40MHz Mode: %s\n",
774                         priv->disable_ht40 ? "Disabled" : "Enabled");
775         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
776         return ret;
777 }
778
779 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
780                                                     const char __user *user_buf,
781                                                     size_t count, loff_t *ppos)
782 {
783         struct iwl_priv *priv = file->private_data;
784         char buf[8];
785         int buf_size;
786         int value;
787
788         memset(buf, 0, sizeof(buf));
789         buf_size = min(count, sizeof(buf) -  1);
790         if (copy_from_user(buf, user_buf, buf_size))
791                 return -EFAULT;
792
793         if (sscanf(buf, "%d", &value) != 1)
794                 return -EINVAL;
795
796         /*
797          * Our users expect 0 to be "CAM", but 0 isn't actually
798          * valid here. However, let's not confuse them and present
799          * IWL_POWER_INDEX_1 as "1", not "0".
800          */
801         if (value > 0)
802                 value -= 1;
803
804         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
805                 return -EINVAL;
806
807         priv->power_data.debug_sleep_level_override = value;
808
809         iwl_power_update_mode(priv, false);
810
811         return count;
812 }
813
814 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
815                                                    char __user *user_buf,
816                                                    size_t count, loff_t *ppos)
817 {
818         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
819         char buf[10];
820         int pos, value;
821         const size_t bufsz = sizeof(buf);
822
823         /* see the write function */
824         value = priv->power_data.debug_sleep_level_override;
825         if (value >= 0)
826                 value += 1;
827
828         pos = scnprintf(buf, bufsz, "%d\n", value);
829         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
830 }
831
832 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
833                                                     char __user *user_buf,
834                                                     size_t count, loff_t *ppos)
835 {
836         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
837         char buf[200];
838         int pos = 0, i;
839         const size_t bufsz = sizeof(buf);
840         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
841
842         pos += scnprintf(buf + pos, bufsz - pos,
843                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
844         pos += scnprintf(buf + pos, bufsz - pos,
845                          "RX/TX timeout: %d/%d usec\n",
846                          le32_to_cpu(cmd->rx_data_timeout),
847                          le32_to_cpu(cmd->tx_data_timeout));
848         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
849                 pos += scnprintf(buf + pos, bufsz - pos,
850                                  "sleep_interval[%d]: %d\n", i,
851                                  le32_to_cpu(cmd->sleep_interval[i]));
852
853         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
854 }
855
856 DEBUGFS_READ_WRITE_FILE_OPS(sram);
857 DEBUGFS_WRITE_FILE_OPS(log_event);
858 DEBUGFS_READ_FILE_OPS(nvm);
859 DEBUGFS_READ_FILE_OPS(stations);
860 DEBUGFS_READ_FILE_OPS(channels);
861 DEBUGFS_READ_FILE_OPS(status);
862 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
863 DEBUGFS_READ_FILE_OPS(qos);
864 #ifdef CONFIG_IWLWIFI_LEDS
865 DEBUGFS_READ_FILE_OPS(led);
866 #endif
867 DEBUGFS_READ_FILE_OPS(thermal_throttling);
868 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
869 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
870 DEBUGFS_READ_FILE_OPS(current_sleep_command);
871
872 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
873                                          char __user *user_buf,
874                                          size_t count, loff_t *ppos)
875 {
876         struct iwl_priv *priv = file->private_data;
877         int pos = 0, ofs = 0;
878         int cnt = 0, entry;
879         struct iwl_tx_queue *txq;
880         struct iwl_queue *q;
881         struct iwl_rx_queue *rxq = &priv->rxq;
882         char *buf;
883         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
884                 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
885         const u8 *ptr;
886         ssize_t ret;
887
888         buf = kzalloc(bufsz, GFP_KERNEL);
889         if (!buf) {
890                 IWL_ERR(priv, "Can not allocate buffer\n");
891                 return -ENOMEM;
892         }
893         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
894         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
895                 txq = &priv->txq[cnt];
896                 q = &txq->q;
897                 pos += scnprintf(buf + pos, bufsz - pos,
898                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
899                                 cnt, q->read_ptr, q->write_ptr);
900         }
901         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
902                 ptr = priv->tx_traffic;
903                 pos += scnprintf(buf + pos, bufsz - pos,
904                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
905                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
906                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
907                              entry++,  ofs += 16) {
908                                 pos += scnprintf(buf + pos, bufsz - pos,
909                                                 "0x%.4x ", ofs);
910                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
911                                                    buf + pos, bufsz - pos, 0);
912                                 pos += strlen(buf + pos);
913                                 if (bufsz - pos > 0)
914                                         buf[pos++] = '\n';
915                         }
916                 }
917         }
918
919         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
920         pos += scnprintf(buf + pos, bufsz - pos,
921                         "read: %u, write: %u\n",
922                          rxq->read, rxq->write);
923
924         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
925                 ptr = priv->rx_traffic;
926                 pos += scnprintf(buf + pos, bufsz - pos,
927                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
928                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
929                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
930                              entry++,  ofs += 16) {
931                                 pos += scnprintf(buf + pos, bufsz - pos,
932                                                 "0x%.4x ", ofs);
933                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
934                                                    buf + pos, bufsz - pos, 0);
935                                 pos += strlen(buf + pos);
936                                 if (bufsz - pos > 0)
937                                         buf[pos++] = '\n';
938                         }
939                 }
940         }
941
942         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
943         kfree(buf);
944         return ret;
945 }
946
947 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
948                                          const char __user *user_buf,
949                                          size_t count, loff_t *ppos)
950 {
951         struct iwl_priv *priv = file->private_data;
952         char buf[8];
953         int buf_size;
954         int traffic_log;
955
956         memset(buf, 0, sizeof(buf));
957         buf_size = min(count, sizeof(buf) -  1);
958         if (copy_from_user(buf, user_buf, buf_size))
959                 return -EFAULT;
960         if (sscanf(buf, "%d", &traffic_log) != 1)
961                 return -EFAULT;
962         if (traffic_log == 0)
963                 iwl_reset_traffic_log(priv);
964
965         return count;
966 }
967
968 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
969                                                 char __user *user_buf,
970                                                 size_t count, loff_t *ppos) {
971
972         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
973         struct iwl_tx_queue *txq;
974         struct iwl_queue *q;
975         char *buf;
976         int pos = 0;
977         int cnt;
978         int ret;
979         const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
980
981         buf = kzalloc(bufsz, GFP_KERNEL);
982         if (!buf)
983                 return -ENOMEM;
984
985         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
986                 txq = &priv->txq[cnt];
987                 q = &txq->q;
988                 pos += scnprintf(buf + pos, bufsz - pos,
989                                 "hwq %.2d: read=%u write=%u stop=%d"
990                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
991                                 cnt, q->read_ptr, q->write_ptr,
992                                 !!test_bit(cnt, priv->queue_stopped),
993                                 txq->swq_id,
994                                 txq->swq_id & 0x80 ? txq->swq_id & 3 :
995                                 txq->swq_id,
996                                 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
997                                 0x1f : txq->swq_id);
998                 if (cnt >= 4)
999                         continue;
1000                 /* for the ACs, display the stop count too */
1001                 pos += scnprintf(buf + pos, bufsz - pos,
1002                                 "        stop-count: %d\n",
1003                                 atomic_read(&priv->queue_stop_count[cnt]));
1004         }
1005         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1006         kfree(buf);
1007         return ret;
1008 }
1009
1010 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1011                                                 char __user *user_buf,
1012                                                 size_t count, loff_t *ppos) {
1013
1014         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1015         struct iwl_rx_queue *rxq = &priv->rxq;
1016         char buf[256];
1017         int pos = 0;
1018         const size_t bufsz = sizeof(buf);
1019
1020         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1021                                                 rxq->read);
1022         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1023                                                 rxq->write);
1024         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1025                                                 rxq->free_count);
1026         pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1027                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1028         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1029 }
1030
1031 #define UCODE_STATISTICS_CLEAR_MSK              (0x1 << 0)
1032 #define UCODE_STATISTICS_FREQUENCY_MSK          (0x1 << 1)
1033 #define UCODE_STATISTICS_NARROW_BAND_MSK        (0x1 << 2)
1034
1035 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1036                                      int bufsz)
1037 {
1038         int p = 0;
1039
1040         p += scnprintf(buf + p, bufsz - p,
1041                 "Statistics Flag(0x%X):\n",
1042                 le32_to_cpu(priv->statistics.flag));
1043         if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1044                 p += scnprintf(buf + p, bufsz - p,
1045                 "\tStatistics have been cleared\n");
1046         p += scnprintf(buf + p, bufsz - p,
1047                 "\tOperational Frequency: %s\n",
1048                 (le32_to_cpu(priv->statistics.flag) &
1049                 UCODE_STATISTICS_FREQUENCY_MSK)
1050                  ? "2.4 GHz" : "5.2 GHz");
1051         p += scnprintf(buf + p, bufsz - p,
1052                 "\tTGj Narrow Band: %s\n",
1053                 (le32_to_cpu(priv->statistics.flag) &
1054                 UCODE_STATISTICS_NARROW_BAND_MSK)
1055                  ? "enabled" : "disabled");
1056         return p;
1057 }
1058
1059
1060 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1061                                         char __user *user_buf,
1062                                         size_t count, loff_t *ppos)
1063 {
1064         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1065         int pos = 0;
1066         char *buf;
1067         int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1068                 sizeof(struct statistics_rx_non_phy) * 20 +
1069                 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1070         ssize_t ret;
1071         struct statistics_rx_phy *ofdm;
1072         struct statistics_rx_phy *cck;
1073         struct statistics_rx_non_phy *general;
1074         struct statistics_rx_ht_phy *ht;
1075
1076         if (!iwl_is_alive(priv))
1077                 return -EAGAIN;
1078
1079         /* make request to uCode to retrieve statistics information */
1080         mutex_lock(&priv->mutex);
1081         ret = iwl_send_statistics_request(priv, 0);
1082         mutex_unlock(&priv->mutex);
1083
1084         if (ret) {
1085                 IWL_ERR(priv,
1086                         "Error sending statistics request: %zd\n", ret);
1087                 return -EAGAIN;
1088         }
1089         buf = kzalloc(bufsz, GFP_KERNEL);
1090         if (!buf) {
1091                 IWL_ERR(priv, "Can not allocate Buffer\n");
1092                 return -ENOMEM;
1093         }
1094
1095         /* the statistic information display here is based on
1096          * the last statistics notification from uCode
1097          * might not reflect the current uCode activity
1098          */
1099         ofdm = &priv->statistics.rx.ofdm;
1100         cck = &priv->statistics.rx.cck;
1101         general = &priv->statistics.rx.general;
1102         ht = &priv->statistics.rx.ofdm_ht;
1103         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1104         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1105         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1106                          le32_to_cpu(ofdm->ina_cnt));
1107         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1108                          le32_to_cpu(ofdm->fina_cnt));
1109         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1110                          le32_to_cpu(ofdm->plcp_err));
1111         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1112                          le32_to_cpu(ofdm->crc32_err));
1113         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1114                          le32_to_cpu(ofdm->overrun_err));
1115         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1116                          le32_to_cpu(ofdm->early_overrun_err));
1117         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1118                          le32_to_cpu(ofdm->crc32_good));
1119         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1120                          le32_to_cpu(ofdm->false_alarm_cnt));
1121         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1122                          le32_to_cpu(ofdm->fina_sync_err_cnt));
1123         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1124                          le32_to_cpu(ofdm->sfd_timeout));
1125         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1126                          le32_to_cpu(ofdm->fina_timeout));
1127         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1128                          le32_to_cpu(ofdm->unresponded_rts));
1129         pos += scnprintf(buf + pos, bufsz - pos,
1130                         "rxe_frame_limit_overrun: %u\n",
1131                         le32_to_cpu(ofdm->rxe_frame_limit_overrun));
1132         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1133                          le32_to_cpu(ofdm->sent_ack_cnt));
1134         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1135                          le32_to_cpu(ofdm->sent_cts_cnt));
1136         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1137                          le32_to_cpu(ofdm->sent_ba_rsp_cnt));
1138         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1139                          le32_to_cpu(ofdm->dsp_self_kill));
1140         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1141                          le32_to_cpu(ofdm->mh_format_err));
1142         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1143                          le32_to_cpu(ofdm->re_acq_main_rssi_sum));
1144
1145         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1146         pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1147                          le32_to_cpu(cck->ina_cnt));
1148         pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1149                          le32_to_cpu(cck->fina_cnt));
1150         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1151                          le32_to_cpu(cck->plcp_err));
1152         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1153                          le32_to_cpu(cck->crc32_err));
1154         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1155                          le32_to_cpu(cck->overrun_err));
1156         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1157                          le32_to_cpu(cck->early_overrun_err));
1158         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1159                          le32_to_cpu(cck->crc32_good));
1160         pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1161                          le32_to_cpu(cck->false_alarm_cnt));
1162         pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1163                          le32_to_cpu(cck->fina_sync_err_cnt));
1164         pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1165                          le32_to_cpu(cck->sfd_timeout));
1166         pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1167                          le32_to_cpu(cck->fina_timeout));
1168         pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1169                          le32_to_cpu(cck->unresponded_rts));
1170         pos += scnprintf(buf + pos, bufsz - pos,
1171                         "rxe_frame_limit_overrun: %u\n",
1172                         le32_to_cpu(cck->rxe_frame_limit_overrun));
1173         pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1174                          le32_to_cpu(cck->sent_ack_cnt));
1175         pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1176                          le32_to_cpu(cck->sent_cts_cnt));
1177         pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1178                          le32_to_cpu(cck->sent_ba_rsp_cnt));
1179         pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1180                          le32_to_cpu(cck->dsp_self_kill));
1181         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1182                          le32_to_cpu(cck->mh_format_err));
1183         pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1184                          le32_to_cpu(cck->re_acq_main_rssi_sum));
1185
1186         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1187         pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
1188                          le32_to_cpu(general->bogus_cts));
1189         pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
1190                          le32_to_cpu(general->bogus_ack));
1191         pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
1192                          le32_to_cpu(general->non_bssid_frames));
1193         pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
1194                          le32_to_cpu(general->filtered_frames));
1195         pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
1196                          le32_to_cpu(general->non_channel_beacons));
1197         pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
1198                          le32_to_cpu(general->channel_beacons));
1199         pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
1200                          le32_to_cpu(general->num_missed_bcon));
1201         pos += scnprintf(buf + pos, bufsz - pos,
1202                         "adc_rx_saturation_time: %u\n",
1203                         le32_to_cpu(general->adc_rx_saturation_time));
1204         pos += scnprintf(buf + pos, bufsz - pos,
1205                         "ina_detection_search_time: %u\n",
1206                         le32_to_cpu(general->ina_detection_search_time));
1207         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
1208                          le32_to_cpu(general->beacon_silence_rssi_a));
1209         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
1210                          le32_to_cpu(general->beacon_silence_rssi_b));
1211         pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
1212                          le32_to_cpu(general->beacon_silence_rssi_c));
1213         pos += scnprintf(buf + pos, bufsz - pos,
1214                         "interference_data_flag: %u\n",
1215                         le32_to_cpu(general->interference_data_flag));
1216         pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
1217                          le32_to_cpu(general->channel_load));
1218         pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
1219                          le32_to_cpu(general->dsp_false_alarms));
1220         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
1221                          le32_to_cpu(general->beacon_rssi_a));
1222         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
1223                          le32_to_cpu(general->beacon_rssi_b));
1224         pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
1225                          le32_to_cpu(general->beacon_rssi_c));
1226         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
1227                          le32_to_cpu(general->beacon_energy_a));
1228         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
1229                          le32_to_cpu(general->beacon_energy_b));
1230         pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
1231                          le32_to_cpu(general->beacon_energy_c));
1232
1233         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1234         pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1235                          le32_to_cpu(ht->plcp_err));
1236         pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1237                          le32_to_cpu(ht->overrun_err));
1238         pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1239                          le32_to_cpu(ht->early_overrun_err));
1240         pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1241                          le32_to_cpu(ht->crc32_good));
1242         pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1243                          le32_to_cpu(ht->crc32_err));
1244         pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1245                          le32_to_cpu(ht->mh_format_err));
1246         pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
1247                          le32_to_cpu(ht->agg_crc32_good));
1248         pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
1249                          le32_to_cpu(ht->agg_mpdu_cnt));
1250         pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
1251                          le32_to_cpu(ht->agg_cnt));
1252
1253         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1254         kfree(buf);
1255         return ret;
1256 }
1257
1258 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1259                                         char __user *user_buf,
1260                                         size_t count, loff_t *ppos)
1261 {
1262         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1263         int pos = 0;
1264         char *buf;
1265         int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1266         ssize_t ret;
1267         struct statistics_tx *tx;
1268
1269         if (!iwl_is_alive(priv))
1270                 return -EAGAIN;
1271
1272         /* make request to uCode to retrieve statistics information */
1273         mutex_lock(&priv->mutex);
1274         ret = iwl_send_statistics_request(priv, 0);
1275         mutex_unlock(&priv->mutex);
1276
1277         if (ret) {
1278                 IWL_ERR(priv,
1279                         "Error sending statistics request: %zd\n", ret);
1280                 return -EAGAIN;
1281         }
1282         buf = kzalloc(bufsz, GFP_KERNEL);
1283         if (!buf) {
1284                 IWL_ERR(priv, "Can not allocate Buffer\n");
1285                 return -ENOMEM;
1286         }
1287
1288         /* the statistic information display here is based on
1289          * the last statistics notification from uCode
1290          * might not reflect the current uCode activity
1291          */
1292         tx = &priv->statistics.tx;
1293         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1294         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1295         pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
1296                          le32_to_cpu(tx->preamble_cnt));
1297         pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
1298                          le32_to_cpu(tx->rx_detected_cnt));
1299         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
1300                          le32_to_cpu(tx->bt_prio_defer_cnt));
1301         pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
1302                          le32_to_cpu(tx->bt_prio_kill_cnt));
1303         pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
1304                          le32_to_cpu(tx->few_bytes_cnt));
1305         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
1306                          le32_to_cpu(tx->cts_timeout));
1307         pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
1308                          le32_to_cpu(tx->ack_timeout));
1309         pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
1310                          le32_to_cpu(tx->expected_ack_cnt));
1311         pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
1312                          le32_to_cpu(tx->actual_ack_cnt));
1313         pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
1314                          le32_to_cpu(tx->dump_msdu_cnt));
1315         pos += scnprintf(buf + pos, bufsz - pos,
1316                         "burst_abort_next_frame_mismatch_cnt: %u\n",
1317                         le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
1318         pos += scnprintf(buf + pos, bufsz - pos,
1319                         "burst_abort_missing_next_frame_cnt: %u\n",
1320                         le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
1321         pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
1322                          le32_to_cpu(tx->cts_timeout_collision));
1323         pos += scnprintf(buf + pos, bufsz - pos,
1324                         "ack_or_ba_timeout_collision: %u\n",
1325                         le32_to_cpu(tx->ack_or_ba_timeout_collision));
1326         pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
1327                          le32_to_cpu(tx->agg.ba_timeout));
1328         pos += scnprintf(buf + pos, bufsz - pos,
1329                         "agg ba_reschedule_frames: %u\n",
1330                         le32_to_cpu(tx->agg.ba_reschedule_frames));
1331         pos += scnprintf(buf + pos, bufsz - pos,
1332                         "agg scd_query_agg_frame_cnt: %u\n",
1333                         le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
1334         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
1335                          le32_to_cpu(tx->agg.scd_query_no_agg));
1336         pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
1337                          le32_to_cpu(tx->agg.scd_query_agg));
1338         pos += scnprintf(buf + pos, bufsz - pos,
1339                         "agg scd_query_mismatch: %u\n",
1340                         le32_to_cpu(tx->agg.scd_query_mismatch));
1341         pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
1342                          le32_to_cpu(tx->agg.frame_not_ready));
1343         pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
1344                          le32_to_cpu(tx->agg.underrun));
1345         pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
1346                          le32_to_cpu(tx->agg.bt_prio_kill));
1347         pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
1348                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
1349
1350         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1351         kfree(buf);
1352         return ret;
1353 }
1354
1355 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1356                                         char __user *user_buf,
1357                                         size_t count, loff_t *ppos)
1358 {
1359         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1360         int pos = 0;
1361         char *buf;
1362         int bufsz = sizeof(struct statistics_general) * 4 + 250;
1363         ssize_t ret;
1364         struct statistics_general *general;
1365         struct statistics_dbg *dbg;
1366         struct statistics_div *div;
1367
1368         if (!iwl_is_alive(priv))
1369                 return -EAGAIN;
1370
1371         /* make request to uCode to retrieve statistics information */
1372         mutex_lock(&priv->mutex);
1373         ret = iwl_send_statistics_request(priv, 0);
1374         mutex_unlock(&priv->mutex);
1375
1376         if (ret) {
1377                 IWL_ERR(priv,
1378                         "Error sending statistics request: %zd\n", ret);
1379                 return -EAGAIN;
1380         }
1381         buf = kzalloc(bufsz, GFP_KERNEL);
1382         if (!buf) {
1383                 IWL_ERR(priv, "Can not allocate Buffer\n");
1384                 return -ENOMEM;
1385         }
1386
1387         /* the statistic information display here is based on
1388          * the last statistics notification from uCode
1389          * might not reflect the current uCode activity
1390          */
1391         general = &priv->statistics.general;
1392         dbg = &priv->statistics.general.dbg;
1393         div = &priv->statistics.general.div;
1394         pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1395         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1396         pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
1397                          le32_to_cpu(general->temperature));
1398         pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
1399                          le32_to_cpu(general->temperature_m));
1400         pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
1401                          le32_to_cpu(dbg->burst_check));
1402         pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
1403                          le32_to_cpu(dbg->burst_count));
1404         pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
1405                          le32_to_cpu(general->sleep_time));
1406         pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
1407                          le32_to_cpu(general->slots_out));
1408         pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
1409                          le32_to_cpu(general->slots_idle));
1410         pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
1411                          le32_to_cpu(general->ttl_timestamp));
1412         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
1413                          le32_to_cpu(div->tx_on_a));
1414         pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
1415                          le32_to_cpu(div->tx_on_b));
1416         pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
1417                          le32_to_cpu(div->exec_time));
1418         pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
1419                          le32_to_cpu(div->probe_time));
1420         pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
1421                          le32_to_cpu(general->rx_enable_counter));
1422         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1423         kfree(buf);
1424         return ret;
1425 }
1426
1427 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1428                                         char __user *user_buf,
1429                                         size_t count, loff_t *ppos) {
1430
1431         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1432         int pos = 0;
1433         int cnt = 0;
1434         char *buf;
1435         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1436         ssize_t ret;
1437         struct iwl_sensitivity_data *data;
1438
1439         data = &priv->sensitivity_data;
1440         buf = kzalloc(bufsz, GFP_KERNEL);
1441         if (!buf) {
1442                 IWL_ERR(priv, "Can not allocate Buffer\n");
1443                 return -ENOMEM;
1444         }
1445
1446         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1447                         data->auto_corr_ofdm);
1448         pos += scnprintf(buf + pos, bufsz - pos,
1449                         "auto_corr_ofdm_mrc:\t\t %u\n",
1450                         data->auto_corr_ofdm_mrc);
1451         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1452                         data->auto_corr_ofdm_x1);
1453         pos += scnprintf(buf + pos, bufsz - pos,
1454                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1455                         data->auto_corr_ofdm_mrc_x1);
1456         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1457                         data->auto_corr_cck);
1458         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1459                         data->auto_corr_cck_mrc);
1460         pos += scnprintf(buf + pos, bufsz - pos,
1461                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1462                         data->last_bad_plcp_cnt_ofdm);
1463         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1464                         data->last_fa_cnt_ofdm);
1465         pos += scnprintf(buf + pos, bufsz - pos,
1466                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1467                         data->last_bad_plcp_cnt_cck);
1468         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1469                         data->last_fa_cnt_cck);
1470         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1471                         data->nrg_curr_state);
1472         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1473                         data->nrg_prev_state);
1474         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1475         for (cnt = 0; cnt < 10; cnt++) {
1476                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1477                                 data->nrg_value[cnt]);
1478         }
1479         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1480         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1481         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1482                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1483                                 data->nrg_silence_rssi[cnt]);
1484         }
1485         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1486         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1487                         data->nrg_silence_ref);
1488         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1489                         data->nrg_energy_idx);
1490         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1491                         data->nrg_silence_idx);
1492         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1493                         data->nrg_th_cck);
1494         pos += scnprintf(buf + pos, bufsz - pos,
1495                         "nrg_auto_corr_silence_diff:\t %u\n",
1496                         data->nrg_auto_corr_silence_diff);
1497         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1498                         data->num_in_cck_no_fa);
1499         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1500                         data->nrg_th_ofdm);
1501
1502         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1503         kfree(buf);
1504         return ret;
1505 }
1506
1507
1508 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1509                                         char __user *user_buf,
1510                                         size_t count, loff_t *ppos) {
1511
1512         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1513         int pos = 0;
1514         int cnt = 0;
1515         char *buf;
1516         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1517         ssize_t ret;
1518         struct iwl_chain_noise_data *data;
1519
1520         data = &priv->chain_noise_data;
1521         buf = kzalloc(bufsz, GFP_KERNEL);
1522         if (!buf) {
1523                 IWL_ERR(priv, "Can not allocate Buffer\n");
1524                 return -ENOMEM;
1525         }
1526
1527         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1528                         data->active_chains);
1529         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1530                         data->chain_noise_a);
1531         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1532                         data->chain_noise_b);
1533         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1534                         data->chain_noise_c);
1535         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1536                         data->chain_signal_a);
1537         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1538                         data->chain_signal_b);
1539         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1540                         data->chain_signal_c);
1541         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1542                         data->beacon_count);
1543
1544         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1545         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1546                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1547                                 data->disconn_array[cnt]);
1548         }
1549         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1550         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1551         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1552                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1553                                 data->delta_gain_code[cnt]);
1554         }
1555         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1556         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1557                         data->radio_write);
1558         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1559                         data->state);
1560
1561         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1562         kfree(buf);
1563         return ret;
1564 }
1565
1566 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1567                                         char __user *user_buf,
1568                                         size_t count, loff_t *ppos) {
1569
1570         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1571         char buf[128];
1572         int pos = 0;
1573         ssize_t ret;
1574         const size_t bufsz = sizeof(buf);
1575         struct statistics_tx *tx;
1576
1577         if (!iwl_is_alive(priv))
1578                 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1579         else {
1580                 /* make request to uCode to retrieve statistics information */
1581                 mutex_lock(&priv->mutex);
1582                 ret = iwl_send_statistics_request(priv, 0);
1583                 mutex_unlock(&priv->mutex);
1584
1585                 if (ret) {
1586                         IWL_ERR(priv, "Error sending statistics request: %zd\n",
1587                                 ret);
1588                         return -EAGAIN;
1589                 }
1590                 tx = &priv->statistics.tx;
1591                 if (tx->tx_power.ant_a ||
1592                     tx->tx_power.ant_b ||
1593                     tx->tx_power.ant_c) {
1594                         pos += scnprintf(buf + pos, bufsz - pos,
1595                                 "tx power: (1/2 dB step)\n");
1596                         if ((priv->cfg->valid_tx_ant & ANT_A) &&
1597                             tx->tx_power.ant_a)
1598                                 pos += scnprintf(buf + pos, bufsz - pos,
1599                                                 "\tantenna A: 0x%X\n",
1600                                                 tx->tx_power.ant_a);
1601                         if ((priv->cfg->valid_tx_ant & ANT_B) &&
1602                             tx->tx_power.ant_b)
1603                                 pos += scnprintf(buf + pos, bufsz - pos,
1604                                                 "\tantenna B: 0x%X\n",
1605                                                 tx->tx_power.ant_b);
1606                         if ((priv->cfg->valid_tx_ant & ANT_C) &&
1607                             tx->tx_power.ant_c)
1608                                 pos += scnprintf(buf + pos, bufsz - pos,
1609                                                 "\tantenna C: 0x%X\n",
1610                                                 tx->tx_power.ant_c);
1611                 } else
1612                         pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1613         }
1614         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1615 }
1616
1617 DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1618 DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1619 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1620 DEBUGFS_READ_FILE_OPS(rx_queue);
1621 DEBUGFS_READ_FILE_OPS(tx_queue);
1622 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1623 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1624 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1625 DEBUGFS_READ_FILE_OPS(sensitivity);
1626 DEBUGFS_READ_FILE_OPS(chain_noise);
1627 DEBUGFS_READ_FILE_OPS(tx_power);
1628
1629 /*
1630  * Create the debugfs files and directories
1631  *
1632  */
1633 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1634 {
1635         struct iwl_debugfs *dbgfs;
1636         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1637         int ret = 0;
1638
1639         dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1640         if (!dbgfs) {
1641                 ret = -ENOMEM;
1642                 goto err;
1643         }
1644
1645         priv->dbgfs = dbgfs;
1646         dbgfs->name = name;
1647         dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1648         if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1649                 ret = -ENOENT;
1650                 goto err;
1651         }
1652
1653         DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1654         DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1655         DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1656         DEBUGFS_ADD_FILE(nvm, data);
1657         DEBUGFS_ADD_FILE(sram, data);
1658         DEBUGFS_ADD_FILE(log_event, data);
1659         DEBUGFS_ADD_FILE(stations, data);
1660         DEBUGFS_ADD_FILE(channels, data);
1661         DEBUGFS_ADD_FILE(status, data);
1662         DEBUGFS_ADD_FILE(interrupt, data);
1663         DEBUGFS_ADD_FILE(qos, data);
1664 #ifdef CONFIG_IWLWIFI_LEDS
1665         DEBUGFS_ADD_FILE(led, data);
1666 #endif
1667         DEBUGFS_ADD_FILE(sleep_level_override, data);
1668         DEBUGFS_ADD_FILE(current_sleep_command, data);
1669         DEBUGFS_ADD_FILE(thermal_throttling, data);
1670         DEBUGFS_ADD_FILE(disable_ht40, data);
1671         DEBUGFS_ADD_FILE(rx_statistics, debug);
1672         DEBUGFS_ADD_FILE(tx_statistics, debug);
1673         DEBUGFS_ADD_FILE(traffic_log, debug);
1674         DEBUGFS_ADD_FILE(rx_queue, debug);
1675         DEBUGFS_ADD_FILE(tx_queue, debug);
1676         DEBUGFS_ADD_FILE(tx_power, debug);
1677         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1678                 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1679                 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1680                 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1681                 DEBUGFS_ADD_FILE(sensitivity, debug);
1682                 DEBUGFS_ADD_FILE(chain_noise, debug);
1683         }
1684         DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1685         DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1686                          &priv->disable_chain_noise_cal);
1687         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1688             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1689                 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1690                                 &priv->disable_tx_power_cal);
1691         return 0;
1692
1693 err:
1694         IWL_ERR(priv, "Can't open the debugfs directory\n");
1695         iwl_dbgfs_unregister(priv);
1696         return ret;
1697 }
1698 EXPORT_SYMBOL(iwl_dbgfs_register);
1699
1700 /**
1701  * Remove the debugfs files and directories
1702  *
1703  */
1704 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1705 {
1706         if (!priv->dbgfs)
1707                 return;
1708
1709         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1710         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1711         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1712         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1713         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1714         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1715         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1716         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1717         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1718         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1719 #ifdef CONFIG_IWLWIFI_LEDS
1720         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1721 #endif
1722         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1723         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1724         DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1725         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1726         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1727         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1728         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1729         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1730         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1731         if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1732                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1733                         file_ucode_rx_stats);
1734                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1735                         file_ucode_tx_stats);
1736                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1737                         file_ucode_general_stats);
1738                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1739                         file_sensitivity);
1740                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1741                         file_chain_noise);
1742         }
1743         DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1744         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1745         DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1746         if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1747             ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1748                 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1749         DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1750         DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1751         kfree(priv->dbgfs);
1752         priv->dbgfs = NULL;
1753 }
1754 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1755
1756
1757