iwlwifi: split the drivers for agn and legacy devices 3945/4965
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2  *
3  * GPL LICENSE SUMMARY
4  *
5  * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of version 2 of the GNU General Public License as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but
12  * WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19  * USA
20  *
21  * The full GNU General Public License is included in this distribution
22  * in the file called LICENSE.GPL.
23  *
24  * Contact Information:
25  *  Intel Linux Wireless <ilw@linux.intel.com>
26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27  *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42
43 /* create and remove of files */
44 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
45         if (!debugfs_create_file(#name, mode, parent, priv,             \
46                                  &iwl_dbgfs_##name##_ops))              \
47                 goto err;                                               \
48 } while (0)
49
50 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
51         struct dentry *__tmp;                                           \
52         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
53                                     parent, ptr);                       \
54         if (IS_ERR(__tmp) || !__tmp)                                    \
55                 goto err;                                               \
56 } while (0)
57
58 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
59         struct dentry *__tmp;                                           \
60         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
61                                    parent, ptr);                        \
62         if (IS_ERR(__tmp) || !__tmp)                                    \
63                 goto err;                                               \
64 } while (0)
65
66 /* file operation */
67 #define DEBUGFS_READ_FUNC(name)                                         \
68 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
69                                         char __user *user_buf,          \
70                                         size_t count, loff_t *ppos);
71
72 #define DEBUGFS_WRITE_FUNC(name)                                        \
73 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
74                                         const char __user *user_buf,    \
75                                         size_t count, loff_t *ppos);
76
77
78 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79 {
80         file->private_data = inode->i_private;
81         return 0;
82 }
83
84 #define DEBUGFS_READ_FILE_OPS(name)                                     \
85         DEBUGFS_READ_FUNC(name);                                        \
86 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
87         .read = iwl_dbgfs_##name##_read,                                \
88         .open = iwl_dbgfs_open_file_generic,                            \
89         .llseek = generic_file_llseek,                                  \
90 };
91
92 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
93         DEBUGFS_WRITE_FUNC(name);                                       \
94 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
95         .write = iwl_dbgfs_##name##_write,                              \
96         .open = iwl_dbgfs_open_file_generic,                            \
97         .llseek = generic_file_llseek,                                  \
98 };
99
100
101 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
102         DEBUGFS_READ_FUNC(name);                                        \
103         DEBUGFS_WRITE_FUNC(name);                                       \
104 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
105         .write = iwl_dbgfs_##name##_write,                              \
106         .read = iwl_dbgfs_##name##_read,                                \
107         .open = iwl_dbgfs_open_file_generic,                            \
108         .llseek = generic_file_llseek,                                  \
109 };
110
111 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
112                                                 char __user *user_buf,
113                                                 size_t count, loff_t *ppos) {
114
115         struct iwl_priv *priv = file->private_data;
116         char *buf;
117         int pos = 0;
118
119         int cnt;
120         ssize_t ret;
121         const size_t bufsz = 100 +
122                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
123         buf = kzalloc(bufsz, GFP_KERNEL);
124         if (!buf)
125                 return -ENOMEM;
126         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
127         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
128                 pos += scnprintf(buf + pos, bufsz - pos,
129                                  "\t%25s\t\t: %u\n",
130                                  get_mgmt_string(cnt),
131                                  priv->tx_stats.mgmt[cnt]);
132         }
133         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
134         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
135                 pos += scnprintf(buf + pos, bufsz - pos,
136                                  "\t%25s\t\t: %u\n",
137                                  get_ctrl_string(cnt),
138                                  priv->tx_stats.ctrl[cnt]);
139         }
140         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
141         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
142                          priv->tx_stats.data_cnt);
143         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
144                          priv->tx_stats.data_bytes);
145         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
146         kfree(buf);
147         return ret;
148 }
149
150 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
151                                         const char __user *user_buf,
152                                         size_t count, loff_t *ppos)
153 {
154         struct iwl_priv *priv = file->private_data;
155         u32 clear_flag;
156         char buf[8];
157         int buf_size;
158
159         memset(buf, 0, sizeof(buf));
160         buf_size = min(count, sizeof(buf) -  1);
161         if (copy_from_user(buf, user_buf, buf_size))
162                 return -EFAULT;
163         if (sscanf(buf, "%x", &clear_flag) != 1)
164                 return -EFAULT;
165         iwl_clear_traffic_stats(priv);
166
167         return count;
168 }
169
170 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
171                                                 char __user *user_buf,
172                                                 size_t count, loff_t *ppos) {
173
174         struct iwl_priv *priv = file->private_data;
175         char *buf;
176         int pos = 0;
177         int cnt;
178         ssize_t ret;
179         const size_t bufsz = 100 +
180                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
181         buf = kzalloc(bufsz, GFP_KERNEL);
182         if (!buf)
183                 return -ENOMEM;
184
185         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
186         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
187                 pos += scnprintf(buf + pos, bufsz - pos,
188                                  "\t%25s\t\t: %u\n",
189                                  get_mgmt_string(cnt),
190                                  priv->rx_stats.mgmt[cnt]);
191         }
192         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
193         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
194                 pos += scnprintf(buf + pos, bufsz - pos,
195                                  "\t%25s\t\t: %u\n",
196                                  get_ctrl_string(cnt),
197                                  priv->rx_stats.ctrl[cnt]);
198         }
199         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
200         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
201                          priv->rx_stats.data_cnt);
202         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
203                          priv->rx_stats.data_bytes);
204
205         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
206         kfree(buf);
207         return ret;
208 }
209
210 static ssize_t iwl_dbgfs_sram_read(struct file *file,
211                                         char __user *user_buf,
212                                         size_t count, loff_t *ppos)
213 {
214         u32 val = 0;
215         char *buf;
216         ssize_t ret;
217         int i = 0;
218         bool device_format = false;
219         int offset = 0;
220         int len = 0;
221         int pos = 0;
222         int sram;
223         struct iwl_priv *priv = file->private_data;
224         size_t bufsz;
225
226         /* default is to dump the entire data segment */
227         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
228                 priv->dbgfs_sram_offset = 0x800000;
229                 if (priv->ucode_type == UCODE_INIT)
230                         priv->dbgfs_sram_len = priv->ucode_init_data.len;
231                 else
232                         priv->dbgfs_sram_len = priv->ucode_data.len;
233         }
234         len = priv->dbgfs_sram_len;
235
236         if (len == -4) {
237                 device_format = true;
238                 len = 4;
239         }
240
241         bufsz =  50 + len * 4;
242         buf = kmalloc(bufsz, GFP_KERNEL);
243         if (!buf)
244                 return -ENOMEM;
245
246         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
247                          len);
248         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
249                         priv->dbgfs_sram_offset);
250
251         /* adjust sram address since reads are only on even u32 boundaries */
252         offset = priv->dbgfs_sram_offset & 0x3;
253         sram = priv->dbgfs_sram_offset & ~0x3;
254
255         /* read the first u32 from sram */
256         val = iwl_read_targ_mem(priv, sram);
257
258         for (; len; len--) {
259                 /* put the address at the start of every line */
260                 if (i == 0)
261                         pos += scnprintf(buf + pos, bufsz - pos,
262                                 "%08X: ", sram + offset);
263
264                 if (device_format)
265                         pos += scnprintf(buf + pos, bufsz - pos,
266                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
267                 else
268                         pos += scnprintf(buf + pos, bufsz - pos,
269                                 "%02x ", (val >> (8 * offset)) & 0xff);
270
271                 /* if all bytes processed, read the next u32 from sram */
272                 if (++offset == 4) {
273                         sram += 4;
274                         offset = 0;
275                         val = iwl_read_targ_mem(priv, sram);
276                 }
277
278                 /* put in extra spaces and split lines for human readability */
279                 if (++i == 16) {
280                         i = 0;
281                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
282                 } else if (!(i & 7)) {
283                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
284                 } else if (!(i & 3)) {
285                         pos += scnprintf(buf + pos, bufsz - pos, " ");
286                 }
287         }
288         if (i)
289                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
290
291         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
292         kfree(buf);
293         return ret;
294 }
295
296 static ssize_t iwl_dbgfs_sram_write(struct file *file,
297                                         const char __user *user_buf,
298                                         size_t count, loff_t *ppos)
299 {
300         struct iwl_priv *priv = file->private_data;
301         char buf[64];
302         int buf_size;
303         u32 offset, len;
304
305         memset(buf, 0, sizeof(buf));
306         buf_size = min(count, sizeof(buf) -  1);
307         if (copy_from_user(buf, user_buf, buf_size))
308                 return -EFAULT;
309
310         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
311                 priv->dbgfs_sram_offset = offset;
312                 priv->dbgfs_sram_len = len;
313         } else if (sscanf(buf, "%x", &offset) == 1) {
314                 priv->dbgfs_sram_offset = offset;
315                 priv->dbgfs_sram_len = -4;
316         } else {
317                 priv->dbgfs_sram_offset = 0;
318                 priv->dbgfs_sram_len = 0;
319         }
320
321         return count;
322 }
323
324 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
325                                         size_t count, loff_t *ppos)
326 {
327         struct iwl_priv *priv = file->private_data;
328         struct iwl_station_entry *station;
329         int max_sta = priv->hw_params.max_stations;
330         char *buf;
331         int i, j, pos = 0;
332         ssize_t ret;
333         /* Add 30 for initial string */
334         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
335
336         buf = kmalloc(bufsz, GFP_KERNEL);
337         if (!buf)
338                 return -ENOMEM;
339
340         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
341                         priv->num_stations);
342
343         for (i = 0; i < max_sta; i++) {
344                 station = &priv->stations[i];
345                 if (!station->used)
346                         continue;
347                 pos += scnprintf(buf + pos, bufsz - pos,
348                                  "station %d - addr: %pM, flags: %#x\n",
349                                  i, station->sta.sta.addr,
350                                  station->sta.station_flags_msk);
351                 pos += scnprintf(buf + pos, bufsz - pos,
352                                 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
353                 pos += scnprintf(buf + pos, bufsz - pos,
354                                 "start_idx\tbitmap\t\t\trate_n_flags\n");
355
356                 for (j = 0; j < MAX_TID_COUNT; j++) {
357                         pos += scnprintf(buf + pos, bufsz - pos,
358                                 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
359                                 j, station->tid[j].seq_number,
360                                 station->tid[j].agg.txq_id,
361                                 station->tid[j].agg.frame_count,
362                                 station->tid[j].tfds_in_queue,
363                                 station->tid[j].agg.start_idx,
364                                 station->tid[j].agg.bitmap,
365                                 station->tid[j].agg.rate_n_flags);
366
367                         if (station->tid[j].agg.wait_for_ba)
368                                 pos += scnprintf(buf + pos, bufsz - pos,
369                                                  " - waitforba");
370                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
371                 }
372
373                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
374         }
375
376         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
377         kfree(buf);
378         return ret;
379 }
380
381 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
382                                        char __user *user_buf,
383                                        size_t count,
384                                        loff_t *ppos)
385 {
386         ssize_t ret;
387         struct iwl_priv *priv = file->private_data;
388         int pos = 0, ofs = 0, buf_size = 0;
389         const u8 *ptr;
390         char *buf;
391         u16 eeprom_ver;
392         size_t eeprom_len = priv->cfg->base_params->eeprom_size;
393         buf_size = 4 * eeprom_len + 256;
394
395         if (eeprom_len % 16) {
396                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
397                 return -ENODATA;
398         }
399
400         ptr = priv->eeprom;
401         if (!ptr) {
402                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
403                 return -ENOMEM;
404         }
405
406         /* 4 characters for byte 0xYY */
407         buf = kzalloc(buf_size, GFP_KERNEL);
408         if (!buf) {
409                 IWL_ERR(priv, "Can not allocate Buffer\n");
410                 return -ENOMEM;
411         }
412         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
413         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
414                         "version: 0x%x\n",
415                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
416                          ? "OTP" : "EEPROM", eeprom_ver);
417         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
418                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
419                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
420                                    buf_size - pos, 0);
421                 pos += strlen(buf + pos);
422                 if (buf_size - pos > 0)
423                         buf[pos++] = '\n';
424         }
425
426         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
427         kfree(buf);
428         return ret;
429 }
430
431 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
432                                          char __user *user_buf,
433                                          size_t count, loff_t *ppos)
434 {
435         struct iwl_priv *priv = file->private_data;
436         char *buf;
437         int pos = 0;
438         ssize_t ret = -ENOMEM;
439
440         ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
441                                         priv, true, &buf, true);
442         if (buf) {
443                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
444                 kfree(buf);
445         }
446         return ret;
447 }
448
449 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
450                                         const char __user *user_buf,
451                                         size_t count, loff_t *ppos)
452 {
453         struct iwl_priv *priv = file->private_data;
454         u32 event_log_flag;
455         char buf[8];
456         int buf_size;
457
458         memset(buf, 0, sizeof(buf));
459         buf_size = min(count, sizeof(buf) -  1);
460         if (copy_from_user(buf, user_buf, buf_size))
461                 return -EFAULT;
462         if (sscanf(buf, "%d", &event_log_flag) != 1)
463                 return -EFAULT;
464         if (event_log_flag == 1)
465                 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
466                                                         NULL, false);
467
468         return count;
469 }
470
471
472
473 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
474                                        size_t count, loff_t *ppos)
475 {
476         struct iwl_priv *priv = file->private_data;
477         struct ieee80211_channel *channels = NULL;
478         const struct ieee80211_supported_band *supp_band = NULL;
479         int pos = 0, i, bufsz = PAGE_SIZE;
480         char *buf;
481         ssize_t ret;
482
483         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
484                 return -EAGAIN;
485
486         buf = kzalloc(bufsz, GFP_KERNEL);
487         if (!buf) {
488                 IWL_ERR(priv, "Can not allocate Buffer\n");
489                 return -ENOMEM;
490         }
491
492         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
493         if (supp_band) {
494                 channels = supp_band->channels;
495
496                 pos += scnprintf(buf + pos, bufsz - pos,
497                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
498                                 supp_band->n_channels);
499
500                 for (i = 0; i < supp_band->n_channels; i++)
501                         pos += scnprintf(buf + pos, bufsz - pos,
502                                         "%d: %ddBm: BSS%s%s, %s.\n",
503                                         channels[i].hw_value,
504                                         channels[i].max_power,
505                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
506                                         " (IEEE 802.11h required)" : "",
507                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
508                                         || (channels[i].flags &
509                                         IEEE80211_CHAN_RADAR)) ? "" :
510                                         ", IBSS",
511                                         channels[i].flags &
512                                         IEEE80211_CHAN_PASSIVE_SCAN ?
513                                         "passive only" : "active/passive");
514         }
515         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
516         if (supp_band) {
517                 channels = supp_band->channels;
518
519                 pos += scnprintf(buf + pos, bufsz - pos,
520                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
521                                 supp_band->n_channels);
522
523                 for (i = 0; i < supp_band->n_channels; i++)
524                         pos += scnprintf(buf + pos, bufsz - pos,
525                                         "%d: %ddBm: BSS%s%s, %s.\n",
526                                         channels[i].hw_value,
527                                         channels[i].max_power,
528                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
529                                         " (IEEE 802.11h required)" : "",
530                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
531                                         || (channels[i].flags &
532                                         IEEE80211_CHAN_RADAR)) ? "" :
533                                         ", IBSS",
534                                         channels[i].flags &
535                                         IEEE80211_CHAN_PASSIVE_SCAN ?
536                                         "passive only" : "active/passive");
537         }
538         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
539         kfree(buf);
540         return ret;
541 }
542
543 static ssize_t iwl_dbgfs_status_read(struct file *file,
544                                                 char __user *user_buf,
545                                                 size_t count, loff_t *ppos) {
546
547         struct iwl_priv *priv = file->private_data;
548         char buf[512];
549         int pos = 0;
550         const size_t bufsz = sizeof(buf);
551
552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
553                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
555                 test_bit(STATUS_INT_ENABLED, &priv->status));
556         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
557                 test_bit(STATUS_RF_KILL_HW, &priv->status));
558         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
559                 test_bit(STATUS_CT_KILL, &priv->status));
560         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
561                 test_bit(STATUS_INIT, &priv->status));
562         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
563                 test_bit(STATUS_ALIVE, &priv->status));
564         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
565                 test_bit(STATUS_READY, &priv->status));
566         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
567                 test_bit(STATUS_TEMPERATURE, &priv->status));
568         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
569                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
570         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
571                 test_bit(STATUS_EXIT_PENDING, &priv->status));
572         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
573                 test_bit(STATUS_STATISTICS, &priv->status));
574         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
575                 test_bit(STATUS_SCANNING, &priv->status));
576         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
577                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
578         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
579                 test_bit(STATUS_SCAN_HW, &priv->status));
580         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
581                 test_bit(STATUS_POWER_PMI, &priv->status));
582         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
583                 test_bit(STATUS_FW_ERROR, &priv->status));
584         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
585 }
586
587 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
588                                         char __user *user_buf,
589                                         size_t count, loff_t *ppos) {
590
591         struct iwl_priv *priv = file->private_data;
592         int pos = 0;
593         int cnt = 0;
594         char *buf;
595         int bufsz = 24 * 64; /* 24 items * 64 char per item */
596         ssize_t ret;
597
598         buf = kzalloc(bufsz, GFP_KERNEL);
599         if (!buf) {
600                 IWL_ERR(priv, "Can not allocate Buffer\n");
601                 return -ENOMEM;
602         }
603
604         pos += scnprintf(buf + pos, bufsz - pos,
605                         "Interrupt Statistics Report:\n");
606
607         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
608                 priv->isr_stats.hw);
609         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
610                 priv->isr_stats.sw);
611         if (priv->isr_stats.sw || priv->isr_stats.hw) {
612                 pos += scnprintf(buf + pos, bufsz - pos,
613                         "\tLast Restarting Code:  0x%X\n",
614                         priv->isr_stats.err_code);
615         }
616 #ifdef CONFIG_IWLWIFI_DEBUG
617         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
618                 priv->isr_stats.sch);
619         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
620                 priv->isr_stats.alive);
621 #endif
622         pos += scnprintf(buf + pos, bufsz - pos,
623                 "HW RF KILL switch toggled:\t %u\n",
624                 priv->isr_stats.rfkill);
625
626         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
627                 priv->isr_stats.ctkill);
628
629         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
630                 priv->isr_stats.wakeup);
631
632         pos += scnprintf(buf + pos, bufsz - pos,
633                 "Rx command responses:\t\t %u\n",
634                 priv->isr_stats.rx);
635         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
636                 if (priv->isr_stats.rx_handlers[cnt] > 0)
637                         pos += scnprintf(buf + pos, bufsz - pos,
638                                 "\tRx handler[%36s]:\t\t %u\n",
639                                 get_cmd_string(cnt),
640                                 priv->isr_stats.rx_handlers[cnt]);
641         }
642
643         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
644                 priv->isr_stats.tx);
645
646         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
647                 priv->isr_stats.unhandled);
648
649         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
650         kfree(buf);
651         return ret;
652 }
653
654 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
655                                          const char __user *user_buf,
656                                          size_t count, loff_t *ppos)
657 {
658         struct iwl_priv *priv = file->private_data;
659         char buf[8];
660         int buf_size;
661         u32 reset_flag;
662
663         memset(buf, 0, sizeof(buf));
664         buf_size = min(count, sizeof(buf) -  1);
665         if (copy_from_user(buf, user_buf, buf_size))
666                 return -EFAULT;
667         if (sscanf(buf, "%x", &reset_flag) != 1)
668                 return -EFAULT;
669         if (reset_flag == 0)
670                 iwl_clear_isr_stats(priv);
671
672         return count;
673 }
674
675 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
676                                        size_t count, loff_t *ppos)
677 {
678         struct iwl_priv *priv = file->private_data;
679         struct iwl_rxon_context *ctx;
680         int pos = 0, i;
681         char buf[256 * NUM_IWL_RXON_CTX];
682         const size_t bufsz = sizeof(buf);
683
684         for_each_context(priv, ctx) {
685                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
686                                  ctx->ctxid);
687                 for (i = 0; i < AC_NUM; i++) {
688                         pos += scnprintf(buf + pos, bufsz - pos,
689                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
690                         pos += scnprintf(buf + pos, bufsz - pos,
691                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
692                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
693                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
694                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
695                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
696                 }
697                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
698         }
699         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
700 }
701
702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
703                                 char __user *user_buf,
704                                 size_t count, loff_t *ppos)
705 {
706         struct iwl_priv *priv = 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
713         pos += scnprintf(buf + pos, bufsz - pos,
714                         "Thermal Throttling Mode: %s\n",
715                         tt->advanced_tt ? "Advance" : "Legacy");
716         pos += scnprintf(buf + pos, bufsz - pos,
717                         "Thermal Throttling State: %d\n",
718                         tt->state);
719         if (tt->advanced_tt) {
720                 restriction = tt->restriction + tt->state;
721                 pos += scnprintf(buf + pos, bufsz - pos,
722                                 "Tx mode: %d\n",
723                                 restriction->tx_stream);
724                 pos += scnprintf(buf + pos, bufsz - pos,
725                                 "Rx mode: %d\n",
726                                 restriction->rx_stream);
727                 pos += scnprintf(buf + pos, bufsz - pos,
728                                 "HT mode: %d\n",
729                                 restriction->is_ht);
730         }
731         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
732 }
733
734 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
735                                          const char __user *user_buf,
736                                          size_t count, loff_t *ppos)
737 {
738         struct iwl_priv *priv = file->private_data;
739         char buf[8];
740         int buf_size;
741         int ht40;
742
743         memset(buf, 0, sizeof(buf));
744         buf_size = min(count, sizeof(buf) -  1);
745         if (copy_from_user(buf, user_buf, buf_size))
746                 return -EFAULT;
747         if (sscanf(buf, "%d", &ht40) != 1)
748                 return -EFAULT;
749         if (!iwl_is_any_associated(priv))
750                 priv->disable_ht40 = ht40 ? true : false;
751         else {
752                 IWL_ERR(priv, "Sta associated with AP - "
753                         "Change to 40MHz channel support is not allowed\n");
754                 return -EINVAL;
755         }
756
757         return count;
758 }
759
760 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
761                                          char __user *user_buf,
762                                          size_t count, loff_t *ppos)
763 {
764         struct iwl_priv *priv = file->private_data;
765         char buf[100];
766         int pos = 0;
767         const size_t bufsz = sizeof(buf);
768
769         pos += scnprintf(buf + pos, bufsz - pos,
770                         "11n 40MHz Mode: %s\n",
771                         priv->disable_ht40 ? "Disabled" : "Enabled");
772         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
773 }
774
775 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
776                                                     const char __user *user_buf,
777                                                     size_t count, loff_t *ppos)
778 {
779         struct iwl_priv *priv = file->private_data;
780         char buf[8];
781         int buf_size;
782         int value;
783
784         memset(buf, 0, sizeof(buf));
785         buf_size = min(count, sizeof(buf) -  1);
786         if (copy_from_user(buf, user_buf, buf_size))
787                 return -EFAULT;
788
789         if (sscanf(buf, "%d", &value) != 1)
790                 return -EINVAL;
791
792         /*
793          * Our users expect 0 to be "CAM", but 0 isn't actually
794          * valid here. However, let's not confuse them and present
795          * IWL_POWER_INDEX_1 as "1", not "0".
796          */
797         if (value == 0)
798                 return -EINVAL;
799         else if (value > 0)
800                 value -= 1;
801
802         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
803                 return -EINVAL;
804
805         if (!iwl_is_ready_rf(priv))
806                 return -EAGAIN;
807
808         priv->power_data.debug_sleep_level_override = value;
809
810         mutex_lock(&priv->mutex);
811         iwl_power_update_mode(priv, true);
812         mutex_unlock(&priv->mutex);
813
814         return count;
815 }
816
817 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
818                                                    char __user *user_buf,
819                                                    size_t count, loff_t *ppos)
820 {
821         struct iwl_priv *priv = file->private_data;
822         char buf[10];
823         int pos, value;
824         const size_t bufsz = sizeof(buf);
825
826         /* see the write function */
827         value = priv->power_data.debug_sleep_level_override;
828         if (value >= 0)
829                 value += 1;
830
831         pos = scnprintf(buf, bufsz, "%d\n", value);
832         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
833 }
834
835 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
836                                                     char __user *user_buf,
837                                                     size_t count, loff_t *ppos)
838 {
839         struct iwl_priv *priv = file->private_data;
840         char buf[200];
841         int pos = 0, i;
842         const size_t bufsz = sizeof(buf);
843         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
844
845         pos += scnprintf(buf + pos, bufsz - pos,
846                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
847         pos += scnprintf(buf + pos, bufsz - pos,
848                          "RX/TX timeout: %d/%d usec\n",
849                          le32_to_cpu(cmd->rx_data_timeout),
850                          le32_to_cpu(cmd->tx_data_timeout));
851         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
852                 pos += scnprintf(buf + pos, bufsz - pos,
853                                  "sleep_interval[%d]: %d\n", i,
854                                  le32_to_cpu(cmd->sleep_interval[i]));
855
856         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
857 }
858
859 DEBUGFS_READ_WRITE_FILE_OPS(sram);
860 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
861 DEBUGFS_READ_FILE_OPS(nvm);
862 DEBUGFS_READ_FILE_OPS(stations);
863 DEBUGFS_READ_FILE_OPS(channels);
864 DEBUGFS_READ_FILE_OPS(status);
865 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
866 DEBUGFS_READ_FILE_OPS(qos);
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                 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
885         const u8 *ptr;
886         ssize_t ret;
887
888         if (!priv->txq) {
889                 IWL_ERR(priv, "txq not ready\n");
890                 return -EAGAIN;
891         }
892         buf = kzalloc(bufsz, GFP_KERNEL);
893         if (!buf) {
894                 IWL_ERR(priv, "Can not allocate buffer\n");
895                 return -ENOMEM;
896         }
897         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
898         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
899                 txq = &priv->txq[cnt];
900                 q = &txq->q;
901                 pos += scnprintf(buf + pos, bufsz - pos,
902                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
903                                 cnt, q->read_ptr, q->write_ptr);
904         }
905         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
906                 ptr = priv->tx_traffic;
907                 pos += scnprintf(buf + pos, bufsz - pos,
908                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
909                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
910                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
911                              entry++,  ofs += 16) {
912                                 pos += scnprintf(buf + pos, bufsz - pos,
913                                                 "0x%.4x ", ofs);
914                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
915                                                    buf + pos, bufsz - pos, 0);
916                                 pos += strlen(buf + pos);
917                                 if (bufsz - pos > 0)
918                                         buf[pos++] = '\n';
919                         }
920                 }
921         }
922
923         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
924         pos += scnprintf(buf + pos, bufsz - pos,
925                         "read: %u, write: %u\n",
926                          rxq->read, rxq->write);
927
928         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
929                 ptr = priv->rx_traffic;
930                 pos += scnprintf(buf + pos, bufsz - pos,
931                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
932                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
933                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
934                              entry++,  ofs += 16) {
935                                 pos += scnprintf(buf + pos, bufsz - pos,
936                                                 "0x%.4x ", ofs);
937                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
938                                                    buf + pos, bufsz - pos, 0);
939                                 pos += strlen(buf + pos);
940                                 if (bufsz - pos > 0)
941                                         buf[pos++] = '\n';
942                         }
943                 }
944         }
945
946         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
947         kfree(buf);
948         return ret;
949 }
950
951 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
952                                          const char __user *user_buf,
953                                          size_t count, loff_t *ppos)
954 {
955         struct iwl_priv *priv = file->private_data;
956         char buf[8];
957         int buf_size;
958         int traffic_log;
959
960         memset(buf, 0, sizeof(buf));
961         buf_size = min(count, sizeof(buf) -  1);
962         if (copy_from_user(buf, user_buf, buf_size))
963                 return -EFAULT;
964         if (sscanf(buf, "%d", &traffic_log) != 1)
965                 return -EFAULT;
966         if (traffic_log == 0)
967                 iwl_reset_traffic_log(priv);
968
969         return count;
970 }
971
972 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
973                                                 char __user *user_buf,
974                                                 size_t count, loff_t *ppos) {
975
976         struct iwl_priv *priv = file->private_data;
977         struct iwl_tx_queue *txq;
978         struct iwl_queue *q;
979         char *buf;
980         int pos = 0;
981         int cnt;
982         int ret;
983         const size_t bufsz = sizeof(char) * 64 *
984                                 priv->cfg->base_params->num_of_queues;
985
986         if (!priv->txq) {
987                 IWL_ERR(priv, "txq not ready\n");
988                 return -EAGAIN;
989         }
990         buf = kzalloc(bufsz, GFP_KERNEL);
991         if (!buf)
992                 return -ENOMEM;
993
994         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
995                 txq = &priv->txq[cnt];
996                 q = &txq->q;
997                 pos += scnprintf(buf + pos, bufsz - pos,
998                                 "hwq %.2d: read=%u write=%u stop=%d"
999                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
1000                                 cnt, q->read_ptr, q->write_ptr,
1001                                 !!test_bit(cnt, priv->queue_stopped),
1002                                 txq->swq_id, txq->swq_id & 3,
1003                                 (txq->swq_id >> 2) & 0x1f);
1004                 if (cnt >= 4)
1005                         continue;
1006                 /* for the ACs, display the stop count too */
1007                 pos += scnprintf(buf + pos, bufsz - pos,
1008                                 "        stop-count: %d\n",
1009                                 atomic_read(&priv->queue_stop_count[cnt]));
1010         }
1011         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1012         kfree(buf);
1013         return ret;
1014 }
1015
1016 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1017                                                 char __user *user_buf,
1018                                                 size_t count, loff_t *ppos) {
1019
1020         struct iwl_priv *priv = file->private_data;
1021         struct iwl_rx_queue *rxq = &priv->rxq;
1022         char buf[256];
1023         int pos = 0;
1024         const size_t bufsz = sizeof(buf);
1025
1026         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1027                                                 rxq->read);
1028         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1029                                                 rxq->write);
1030         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1031                                                 rxq->free_count);
1032         if (rxq->rb_stts) {
1033                 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1034                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1035         } else {
1036                 pos += scnprintf(buf + pos, bufsz - pos,
1037                                         "closed_rb_num: Not Allocated\n");
1038         }
1039         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040 }
1041
1042 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1043                                         char __user *user_buf,
1044                                         size_t count, loff_t *ppos)
1045 {
1046         struct iwl_priv *priv = file->private_data;
1047         return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1048                         user_buf, count, ppos);
1049 }
1050
1051 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1052                                         char __user *user_buf,
1053                                         size_t count, loff_t *ppos)
1054 {
1055         struct iwl_priv *priv = file->private_data;
1056         return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1057                         user_buf, count, ppos);
1058 }
1059
1060 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1061                                         char __user *user_buf,
1062                                         size_t count, loff_t *ppos)
1063 {
1064         struct iwl_priv *priv = file->private_data;
1065         return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1066                         user_buf, count, ppos);
1067 }
1068
1069 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1070                                         char __user *user_buf,
1071                                         size_t count, loff_t *ppos) {
1072
1073         struct iwl_priv *priv = file->private_data;
1074         int pos = 0;
1075         int cnt = 0;
1076         char *buf;
1077         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1078         ssize_t ret;
1079         struct iwl_sensitivity_data *data;
1080
1081         data = &priv->sensitivity_data;
1082         buf = kzalloc(bufsz, GFP_KERNEL);
1083         if (!buf) {
1084                 IWL_ERR(priv, "Can not allocate Buffer\n");
1085                 return -ENOMEM;
1086         }
1087
1088         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1089                         data->auto_corr_ofdm);
1090         pos += scnprintf(buf + pos, bufsz - pos,
1091                         "auto_corr_ofdm_mrc:\t\t %u\n",
1092                         data->auto_corr_ofdm_mrc);
1093         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1094                         data->auto_corr_ofdm_x1);
1095         pos += scnprintf(buf + pos, bufsz - pos,
1096                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1097                         data->auto_corr_ofdm_mrc_x1);
1098         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1099                         data->auto_corr_cck);
1100         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1101                         data->auto_corr_cck_mrc);
1102         pos += scnprintf(buf + pos, bufsz - pos,
1103                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1104                         data->last_bad_plcp_cnt_ofdm);
1105         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1106                         data->last_fa_cnt_ofdm);
1107         pos += scnprintf(buf + pos, bufsz - pos,
1108                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1109                         data->last_bad_plcp_cnt_cck);
1110         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1111                         data->last_fa_cnt_cck);
1112         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1113                         data->nrg_curr_state);
1114         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1115                         data->nrg_prev_state);
1116         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1117         for (cnt = 0; cnt < 10; cnt++) {
1118                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1119                                 data->nrg_value[cnt]);
1120         }
1121         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1122         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1123         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1124                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1125                                 data->nrg_silence_rssi[cnt]);
1126         }
1127         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1128         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1129                         data->nrg_silence_ref);
1130         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1131                         data->nrg_energy_idx);
1132         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1133                         data->nrg_silence_idx);
1134         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1135                         data->nrg_th_cck);
1136         pos += scnprintf(buf + pos, bufsz - pos,
1137                         "nrg_auto_corr_silence_diff:\t %u\n",
1138                         data->nrg_auto_corr_silence_diff);
1139         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1140                         data->num_in_cck_no_fa);
1141         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1142                         data->nrg_th_ofdm);
1143
1144         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1145         kfree(buf);
1146         return ret;
1147 }
1148
1149
1150 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1151                                         char __user *user_buf,
1152                                         size_t count, loff_t *ppos) {
1153
1154         struct iwl_priv *priv = file->private_data;
1155         int pos = 0;
1156         int cnt = 0;
1157         char *buf;
1158         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1159         ssize_t ret;
1160         struct iwl_chain_noise_data *data;
1161
1162         data = &priv->chain_noise_data;
1163         buf = kzalloc(bufsz, GFP_KERNEL);
1164         if (!buf) {
1165                 IWL_ERR(priv, "Can not allocate Buffer\n");
1166                 return -ENOMEM;
1167         }
1168
1169         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1170                         data->active_chains);
1171         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1172                         data->chain_noise_a);
1173         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1174                         data->chain_noise_b);
1175         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1176                         data->chain_noise_c);
1177         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1178                         data->chain_signal_a);
1179         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1180                         data->chain_signal_b);
1181         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1182                         data->chain_signal_c);
1183         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1184                         data->beacon_count);
1185
1186         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1187         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1188                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1189                                 data->disconn_array[cnt]);
1190         }
1191         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1192         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1193         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1194                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1195                                 data->delta_gain_code[cnt]);
1196         }
1197         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1198         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1199                         data->radio_write);
1200         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1201                         data->state);
1202
1203         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1204         kfree(buf);
1205         return ret;
1206 }
1207
1208 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1209                                                     char __user *user_buf,
1210                                                     size_t count, loff_t *ppos)
1211 {
1212         struct iwl_priv *priv = file->private_data;
1213         char buf[60];
1214         int pos = 0;
1215         const size_t bufsz = sizeof(buf);
1216         u32 pwrsave_status;
1217
1218         pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1219                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1220
1221         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1222         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1223                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1224                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1225                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1226                 "error");
1227
1228         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1229 }
1230
1231 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1232                                          const char __user *user_buf,
1233                                          size_t count, loff_t *ppos)
1234 {
1235         struct iwl_priv *priv = file->private_data;
1236         char buf[8];
1237         int buf_size;
1238         int clear;
1239
1240         memset(buf, 0, sizeof(buf));
1241         buf_size = min(count, sizeof(buf) -  1);
1242         if (copy_from_user(buf, user_buf, buf_size))
1243                 return -EFAULT;
1244         if (sscanf(buf, "%d", &clear) != 1)
1245                 return -EFAULT;
1246
1247         /* make request to uCode to retrieve statistics information */
1248         mutex_lock(&priv->mutex);
1249         iwl_send_statistics_request(priv, CMD_SYNC, true);
1250         mutex_unlock(&priv->mutex);
1251
1252         return count;
1253 }
1254
1255 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1256                                          const char __user *user_buf,
1257                                          size_t count, loff_t *ppos)
1258 {
1259         struct iwl_priv *priv = file->private_data;
1260         char buf[8];
1261         int buf_size;
1262         int csr;
1263
1264         memset(buf, 0, sizeof(buf));
1265         buf_size = min(count, sizeof(buf) -  1);
1266         if (copy_from_user(buf, user_buf, buf_size))
1267                 return -EFAULT;
1268         if (sscanf(buf, "%d", &csr) != 1)
1269                 return -EFAULT;
1270
1271         if (priv->cfg->ops->lib->dump_csr)
1272                 priv->cfg->ops->lib->dump_csr(priv);
1273
1274         return count;
1275 }
1276
1277 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1278                                         char __user *user_buf,
1279                                         size_t count, loff_t *ppos) {
1280
1281         struct iwl_priv *priv = file->private_data;
1282         int pos = 0;
1283         char buf[128];
1284         const size_t bufsz = sizeof(buf);
1285
1286         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1287                         priv->event_log.ucode_trace ? "On" : "Off");
1288         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1289                         priv->event_log.non_wraps_count);
1290         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1291                         priv->event_log.wraps_once_count);
1292         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1293                         priv->event_log.wraps_more_count);
1294
1295         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1296 }
1297
1298 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1299                                          const char __user *user_buf,
1300                                          size_t count, loff_t *ppos)
1301 {
1302         struct iwl_priv *priv = file->private_data;
1303         char buf[8];
1304         int buf_size;
1305         int trace;
1306
1307         memset(buf, 0, sizeof(buf));
1308         buf_size = min(count, sizeof(buf) -  1);
1309         if (copy_from_user(buf, user_buf, buf_size))
1310                 return -EFAULT;
1311         if (sscanf(buf, "%d", &trace) != 1)
1312                 return -EFAULT;
1313
1314         if (trace) {
1315                 priv->event_log.ucode_trace = true;
1316                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1317                 mod_timer(&priv->ucode_trace,
1318                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1319         } else {
1320                 priv->event_log.ucode_trace = false;
1321                 del_timer_sync(&priv->ucode_trace);
1322         }
1323
1324         return count;
1325 }
1326
1327 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1328                                          char __user *user_buf,
1329                                          size_t count, loff_t *ppos) {
1330
1331         struct iwl_priv *priv = file->private_data;
1332         int len = 0;
1333         char buf[20];
1334
1335         len = sprintf(buf, "0x%04X\n",
1336                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1337         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1338 }
1339
1340 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1341                                                 char __user *user_buf,
1342                                                 size_t count, loff_t *ppos) {
1343
1344         struct iwl_priv *priv = file->private_data;
1345         int len = 0;
1346         char buf[20];
1347
1348         len = sprintf(buf, "0x%04X\n",
1349                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1350         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1351 }
1352
1353 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1354                                          char __user *user_buf,
1355                                          size_t count, loff_t *ppos)
1356 {
1357         struct iwl_priv *priv = file->private_data;
1358         char *buf;
1359         int pos = 0;
1360         ssize_t ret = -EFAULT;
1361
1362         if (priv->cfg->ops->lib->dump_fh) {
1363                 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1364                 if (buf) {
1365                         ret = simple_read_from_buffer(user_buf,
1366                                                       count, ppos, buf, pos);
1367                         kfree(buf);
1368                 }
1369         }
1370
1371         return ret;
1372 }
1373
1374 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1375                                         char __user *user_buf,
1376                                         size_t count, loff_t *ppos) {
1377
1378         struct iwl_priv *priv = file->private_data;
1379         int pos = 0;
1380         char buf[12];
1381         const size_t bufsz = sizeof(buf);
1382
1383         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1384                         priv->missed_beacon_threshold);
1385
1386         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1387 }
1388
1389 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1390                                          const char __user *user_buf,
1391                                          size_t count, loff_t *ppos)
1392 {
1393         struct iwl_priv *priv = file->private_data;
1394         char buf[8];
1395         int buf_size;
1396         int missed;
1397
1398         memset(buf, 0, sizeof(buf));
1399         buf_size = min(count, sizeof(buf) -  1);
1400         if (copy_from_user(buf, user_buf, buf_size))
1401                 return -EFAULT;
1402         if (sscanf(buf, "%d", &missed) != 1)
1403                 return -EINVAL;
1404
1405         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1406             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1407                 priv->missed_beacon_threshold =
1408                         IWL_MISSED_BEACON_THRESHOLD_DEF;
1409         else
1410                 priv->missed_beacon_threshold = missed;
1411
1412         return count;
1413 }
1414
1415 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1416                                         char __user *user_buf,
1417                                         size_t count, loff_t *ppos) {
1418
1419         struct iwl_priv *priv = file->private_data;
1420         int pos = 0;
1421         char buf[12];
1422         const size_t bufsz = sizeof(buf);
1423
1424         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1425                         priv->cfg->base_params->plcp_delta_threshold);
1426
1427         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1428 }
1429
1430 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1431                                         const char __user *user_buf,
1432                                         size_t count, loff_t *ppos) {
1433
1434         struct iwl_priv *priv = file->private_data;
1435         char buf[8];
1436         int buf_size;
1437         int plcp;
1438
1439         memset(buf, 0, sizeof(buf));
1440         buf_size = min(count, sizeof(buf) -  1);
1441         if (copy_from_user(buf, user_buf, buf_size))
1442                 return -EFAULT;
1443         if (sscanf(buf, "%d", &plcp) != 1)
1444                 return -EINVAL;
1445         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
1446                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1447                 priv->cfg->base_params->plcp_delta_threshold =
1448                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
1449         else
1450                 priv->cfg->base_params->plcp_delta_threshold = plcp;
1451         return count;
1452 }
1453
1454 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1455                                         char __user *user_buf,
1456                                         size_t count, loff_t *ppos) {
1457
1458         struct iwl_priv *priv = file->private_data;
1459         int i, pos = 0;
1460         char buf[300];
1461         const size_t bufsz = sizeof(buf);
1462         struct iwl_force_reset *force_reset;
1463
1464         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1465                 force_reset = &priv->force_reset[i];
1466                 pos += scnprintf(buf + pos, bufsz - pos,
1467                                 "Force reset method %d\n", i);
1468                 pos += scnprintf(buf + pos, bufsz - pos,
1469                                 "\tnumber of reset request: %d\n",
1470                                 force_reset->reset_request_count);
1471                 pos += scnprintf(buf + pos, bufsz - pos,
1472                                 "\tnumber of reset request success: %d\n",
1473                                 force_reset->reset_success_count);
1474                 pos += scnprintf(buf + pos, bufsz - pos,
1475                                 "\tnumber of reset request reject: %d\n",
1476                                 force_reset->reset_reject_count);
1477                 pos += scnprintf(buf + pos, bufsz - pos,
1478                                 "\treset duration: %lu\n",
1479                                 force_reset->reset_duration);
1480         }
1481         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1482 }
1483
1484 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1485                                         const char __user *user_buf,
1486                                         size_t count, loff_t *ppos) {
1487
1488         struct iwl_priv *priv = file->private_data;
1489         char buf[8];
1490         int buf_size;
1491         int reset, ret;
1492
1493         memset(buf, 0, sizeof(buf));
1494         buf_size = min(count, sizeof(buf) -  1);
1495         if (copy_from_user(buf, user_buf, buf_size))
1496                 return -EFAULT;
1497         if (sscanf(buf, "%d", &reset) != 1)
1498                 return -EINVAL;
1499         switch (reset) {
1500         case IWL_RF_RESET:
1501         case IWL_FW_RESET:
1502                 ret = iwl_force_reset(priv, reset, true);
1503                 break;
1504         default:
1505                 return -EINVAL;
1506         }
1507         return ret ? ret : count;
1508 }
1509
1510 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1511                                         const char __user *user_buf,
1512                                         size_t count, loff_t *ppos) {
1513
1514         struct iwl_priv *priv = file->private_data;
1515         char buf[8];
1516         int buf_size;
1517         int flush;
1518
1519         memset(buf, 0, sizeof(buf));
1520         buf_size = min(count, sizeof(buf) -  1);
1521         if (copy_from_user(buf, user_buf, buf_size))
1522                 return -EFAULT;
1523         if (sscanf(buf, "%d", &flush) != 1)
1524                 return -EINVAL;
1525
1526         if (iwl_is_rfkill(priv))
1527                 return -EFAULT;
1528
1529         priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1530
1531         return count;
1532 }
1533
1534 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1535                                         char __user *user_buf,
1536                                         size_t count, loff_t *ppos)
1537 {
1538         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1539
1540         return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1541                         user_buf, count, ppos);
1542 }
1543
1544 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
1545                                         const char __user *user_buf,
1546                                         size_t count, loff_t *ppos) {
1547
1548         struct iwl_priv *priv = file->private_data;
1549         char buf[8];
1550         int buf_size;
1551         int timeout;
1552
1553         memset(buf, 0, sizeof(buf));
1554         buf_size = min(count, sizeof(buf) -  1);
1555         if (copy_from_user(buf, user_buf, buf_size))
1556                 return -EFAULT;
1557         if (sscanf(buf, "%d", &timeout) != 1)
1558                 return -EINVAL;
1559         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
1560                 timeout = IWL_DEF_WD_TIMEOUT;
1561
1562         priv->cfg->base_params->wd_timeout = timeout;
1563         iwl_setup_watchdog(priv);
1564         return count;
1565 }
1566
1567 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1568                                         char __user *user_buf,
1569                                         size_t count, loff_t *ppos) {
1570
1571         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1572         int pos = 0;
1573         char buf[200];
1574         const size_t bufsz = sizeof(buf);
1575         ssize_t ret;
1576
1577         if (!priv->bt_enable_flag) {
1578                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
1579                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1580                 return ret;
1581         }
1582         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
1583                 priv->bt_enable_flag);
1584         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1585                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1586         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1587                          "last traffic notif: %d\n",
1588                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
1589         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1590                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
1591                 priv->bt_ch_announce, priv->kill_ack_mask,
1592                 priv->kill_cts_mask);
1593
1594         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1595         switch (priv->bt_traffic_load) {
1596         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1597                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1598                 break;
1599         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1600                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1601                 break;
1602         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1603                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1604                 break;
1605         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1606         default:
1607                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1608                 break;
1609         }
1610
1611         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1612         return ret;
1613 }
1614
1615 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1616                                         char __user *user_buf,
1617                                         size_t count, loff_t *ppos)
1618 {
1619         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1620
1621         int pos = 0;
1622         char buf[40];
1623         const size_t bufsz = sizeof(buf);
1624
1625         if (priv->cfg->ht_params)
1626                 pos += scnprintf(buf + pos, bufsz - pos,
1627                          "use %s for aggregation\n",
1628                          (priv->cfg->ht_params->use_rts_for_aggregation) ?
1629                                 "rts/cts" : "cts-to-self");
1630         else
1631                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1632
1633         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1634 }
1635
1636 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1637                                         const char __user *user_buf,
1638                                         size_t count, loff_t *ppos) {
1639
1640         struct iwl_priv *priv = file->private_data;
1641         char buf[8];
1642         int buf_size;
1643         int rts;
1644
1645         if (!priv->cfg->ht_params)
1646                 return -EINVAL;
1647
1648         memset(buf, 0, sizeof(buf));
1649         buf_size = min(count, sizeof(buf) -  1);
1650         if (copy_from_user(buf, user_buf, buf_size))
1651                 return -EFAULT;
1652         if (sscanf(buf, "%d", &rts) != 1)
1653                 return -EINVAL;
1654         if (rts)
1655                 priv->cfg->ht_params->use_rts_for_aggregation = true;
1656         else
1657                 priv->cfg->ht_params->use_rts_for_aggregation = false;
1658         return count;
1659 }
1660
1661 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1662                                         char __user *user_buf,
1663                                         size_t count, loff_t *ppos)
1664 {
1665         struct iwl_priv *priv = file->private_data;
1666
1667         if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1668                 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1669                         file, user_buf, count, ppos);
1670         else
1671                 return -ENODATA;
1672 }
1673 DEBUGFS_READ_FILE_OPS(rx_statistics);
1674 DEBUGFS_READ_FILE_OPS(tx_statistics);
1675 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1676 DEBUGFS_READ_FILE_OPS(rx_queue);
1677 DEBUGFS_READ_FILE_OPS(tx_queue);
1678 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1679 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1680 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1681 DEBUGFS_READ_FILE_OPS(sensitivity);
1682 DEBUGFS_READ_FILE_OPS(chain_noise);
1683 DEBUGFS_READ_FILE_OPS(power_save_status);
1684 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1685 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1686 DEBUGFS_WRITE_FILE_OPS(csr);
1687 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1688 DEBUGFS_READ_FILE_OPS(fh_reg);
1689 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1690 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1691 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1692 DEBUGFS_READ_FILE_OPS(rxon_flags);
1693 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1694 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
1695 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
1696 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
1697 DEBUGFS_READ_FILE_OPS(bt_traffic);
1698 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
1699 DEBUGFS_READ_FILE_OPS(reply_tx_error);
1700
1701 /*
1702  * Create the debugfs files and directories
1703  *
1704  */
1705 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1706 {
1707         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1708         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1709
1710         dir_drv = debugfs_create_dir(name, phyd);
1711         if (!dir_drv)
1712                 return -ENOMEM;
1713
1714         priv->debugfs_dir = dir_drv;
1715
1716         dir_data = debugfs_create_dir("data", dir_drv);
1717         if (!dir_data)
1718                 goto err;
1719         dir_rf = debugfs_create_dir("rf", dir_drv);
1720         if (!dir_rf)
1721                 goto err;
1722         dir_debug = debugfs_create_dir("debug", dir_drv);
1723         if (!dir_debug)
1724                 goto err;
1725
1726         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1727         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1728         DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1729         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1730         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1731         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1732         DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1733         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1734         if (!priv->cfg->base_params->broken_powersave) {
1735                 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1736                                  S_IWUSR | S_IRUSR);
1737                 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1738         }
1739         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1740         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1741         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1742         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1743         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1744         DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1745         DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1746         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1747         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1748         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1749         DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1750         DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1751         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1752         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1753         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1754         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1755         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1756         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1757         if (priv->cfg->ops->lib->dev_txfifo_flush)
1758                 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
1759         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
1760
1761         if (priv->cfg->base_params->sensitivity_calib_by_driver)
1762                 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1763         if (priv->cfg->base_params->chain_noise_calib_by_driver)
1764                 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1765         if (priv->cfg->base_params->ucode_tracing)
1766                 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1767         if (iwl_bt_statistics(priv))
1768                 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
1769         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
1770         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1771         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1772         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
1773         if (iwl_advanced_bt_coexist(priv))
1774                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
1775         if (priv->cfg->base_params->sensitivity_calib_by_driver)
1776                 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1777                                  &priv->disable_sens_cal);
1778         if (priv->cfg->base_params->chain_noise_calib_by_driver)
1779                 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1780                                  &priv->disable_chain_noise_cal);
1781         if (priv->cfg->base_params->tx_power_by_driver)
1782                 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1783                                 &priv->disable_tx_power_cal);
1784         return 0;
1785
1786 err:
1787         IWL_ERR(priv, "Can't create the debugfs directory\n");
1788         iwl_dbgfs_unregister(priv);
1789         return -ENOMEM;
1790 }
1791
1792 /**
1793  * Remove the debugfs files and directories
1794  *
1795  */
1796 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1797 {
1798         if (!priv->debugfs_dir)
1799                 return;
1800
1801         debugfs_remove_recursive(priv->debugfs_dir);
1802         priv->debugfs_dir = NULL;
1803 }
1804
1805
1806