iwlwifi: jiffies based tx queues watchdog
[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 #define BYTE1_MASK 0x000000ff;
211 #define BYTE2_MASK 0x0000ffff;
212 #define BYTE3_MASK 0x00ffffff;
213 static ssize_t iwl_dbgfs_sram_read(struct file *file,
214                                         char __user *user_buf,
215                                         size_t count, loff_t *ppos)
216 {
217         u32 val;
218         char *buf;
219         ssize_t ret;
220         int i;
221         int pos = 0;
222         struct iwl_priv *priv = file->private_data;
223         size_t bufsz;
224
225         /* default is to dump the entire data segment */
226         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
227                 priv->dbgfs_sram_offset = 0x800000;
228                 if (priv->ucode_type == UCODE_INIT)
229                         priv->dbgfs_sram_len = priv->ucode_init_data.len;
230                 else
231                         priv->dbgfs_sram_len = priv->ucode_data.len;
232         }
233         bufsz =  30 + priv->dbgfs_sram_len * sizeof(char) * 10;
234         buf = kmalloc(bufsz, GFP_KERNEL);
235         if (!buf)
236                 return -ENOMEM;
237         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
238                         priv->dbgfs_sram_len);
239         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
240                         priv->dbgfs_sram_offset);
241         for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
242                 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
243                                         priv->dbgfs_sram_len - i);
244                 if (i < 4) {
245                         switch (i) {
246                         case 1:
247                                 val &= BYTE1_MASK;
248                                 break;
249                         case 2:
250                                 val &= BYTE2_MASK;
251                                 break;
252                         case 3:
253                                 val &= BYTE3_MASK;
254                                 break;
255                         }
256                 }
257                 if (!(i % 16))
258                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
259                 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
260         }
261         pos += scnprintf(buf + pos, bufsz - pos, "\n");
262
263         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
264         kfree(buf);
265         return ret;
266 }
267
268 static ssize_t iwl_dbgfs_sram_write(struct file *file,
269                                         const char __user *user_buf,
270                                         size_t count, loff_t *ppos)
271 {
272         struct iwl_priv *priv = file->private_data;
273         char buf[64];
274         int buf_size;
275         u32 offset, len;
276
277         memset(buf, 0, sizeof(buf));
278         buf_size = min(count, sizeof(buf) -  1);
279         if (copy_from_user(buf, user_buf, buf_size))
280                 return -EFAULT;
281
282         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
283                 priv->dbgfs_sram_offset = offset;
284                 priv->dbgfs_sram_len = len;
285         } else {
286                 priv->dbgfs_sram_offset = 0;
287                 priv->dbgfs_sram_len = 0;
288         }
289
290         return count;
291 }
292
293 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
294                                         size_t count, loff_t *ppos)
295 {
296         struct iwl_priv *priv = file->private_data;
297         struct iwl_station_entry *station;
298         int max_sta = priv->hw_params.max_stations;
299         char *buf;
300         int i, j, pos = 0;
301         ssize_t ret;
302         /* Add 30 for initial string */
303         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
304
305         buf = kmalloc(bufsz, GFP_KERNEL);
306         if (!buf)
307                 return -ENOMEM;
308
309         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
310                         priv->num_stations);
311
312         for (i = 0; i < max_sta; i++) {
313                 station = &priv->stations[i];
314                 if (!station->used)
315                         continue;
316                 pos += scnprintf(buf + pos, bufsz - pos,
317                                  "station %d - addr: %pM, flags: %#x\n",
318                                  i, station->sta.sta.addr,
319                                  station->sta.station_flags_msk);
320                 pos += scnprintf(buf + pos, bufsz - pos,
321                                 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
322                 pos += scnprintf(buf + pos, bufsz - pos,
323                                 "start_idx\tbitmap\t\t\trate_n_flags\n");
324
325                 for (j = 0; j < MAX_TID_COUNT; j++) {
326                         pos += scnprintf(buf + pos, bufsz - pos,
327                                 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
328                                 j, station->tid[j].seq_number,
329                                 station->tid[j].agg.txq_id,
330                                 station->tid[j].agg.frame_count,
331                                 station->tid[j].tfds_in_queue,
332                                 station->tid[j].agg.start_idx,
333                                 station->tid[j].agg.bitmap,
334                                 station->tid[j].agg.rate_n_flags);
335
336                         if (station->tid[j].agg.wait_for_ba)
337                                 pos += scnprintf(buf + pos, bufsz - pos,
338                                                  " - waitforba");
339                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
340                 }
341
342                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
343         }
344
345         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
346         kfree(buf);
347         return ret;
348 }
349
350 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
351                                        char __user *user_buf,
352                                        size_t count,
353                                        loff_t *ppos)
354 {
355         ssize_t ret;
356         struct iwl_priv *priv = file->private_data;
357         int pos = 0, ofs = 0, buf_size = 0;
358         const u8 *ptr;
359         char *buf;
360         u16 eeprom_ver;
361         size_t eeprom_len = priv->cfg->base_params->eeprom_size;
362         buf_size = 4 * eeprom_len + 256;
363
364         if (eeprom_len % 16) {
365                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
366                 return -ENODATA;
367         }
368
369         ptr = priv->eeprom;
370         if (!ptr) {
371                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
372                 return -ENOMEM;
373         }
374
375         /* 4 characters for byte 0xYY */
376         buf = kzalloc(buf_size, GFP_KERNEL);
377         if (!buf) {
378                 IWL_ERR(priv, "Can not allocate Buffer\n");
379                 return -ENOMEM;
380         }
381         eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
382         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
383                         "version: 0x%x\n",
384                         (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
385                          ? "OTP" : "EEPROM", eeprom_ver);
386         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
387                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
388                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
389                                    buf_size - pos, 0);
390                 pos += strlen(buf + pos);
391                 if (buf_size - pos > 0)
392                         buf[pos++] = '\n';
393         }
394
395         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
396         kfree(buf);
397         return ret;
398 }
399
400 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
401                                          char __user *user_buf,
402                                          size_t count, loff_t *ppos)
403 {
404         struct iwl_priv *priv = file->private_data;
405         char *buf;
406         int pos = 0;
407         ssize_t ret = -ENOMEM;
408
409         ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
410                                         priv, true, &buf, true);
411         if (buf) {
412                 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
413                 kfree(buf);
414         }
415         return ret;
416 }
417
418 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
419                                         const char __user *user_buf,
420                                         size_t count, loff_t *ppos)
421 {
422         struct iwl_priv *priv = file->private_data;
423         u32 event_log_flag;
424         char buf[8];
425         int buf_size;
426
427         memset(buf, 0, sizeof(buf));
428         buf_size = min(count, sizeof(buf) -  1);
429         if (copy_from_user(buf, user_buf, buf_size))
430                 return -EFAULT;
431         if (sscanf(buf, "%d", &event_log_flag) != 1)
432                 return -EFAULT;
433         if (event_log_flag == 1)
434                 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
435                                                         NULL, false);
436
437         return count;
438 }
439
440
441
442 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
443                                        size_t count, loff_t *ppos)
444 {
445         struct iwl_priv *priv = file->private_data;
446         struct ieee80211_channel *channels = NULL;
447         const struct ieee80211_supported_band *supp_band = NULL;
448         int pos = 0, i, bufsz = PAGE_SIZE;
449         char *buf;
450         ssize_t ret;
451
452         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
453                 return -EAGAIN;
454
455         buf = kzalloc(bufsz, GFP_KERNEL);
456         if (!buf) {
457                 IWL_ERR(priv, "Can not allocate Buffer\n");
458                 return -ENOMEM;
459         }
460
461         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
462         if (supp_band) {
463                 channels = supp_band->channels;
464
465                 pos += scnprintf(buf + pos, bufsz - pos,
466                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
467                                 supp_band->n_channels);
468
469                 for (i = 0; i < supp_band->n_channels; i++)
470                         pos += scnprintf(buf + pos, bufsz - pos,
471                                         "%d: %ddBm: BSS%s%s, %s.\n",
472                                         channels[i].hw_value,
473                                         channels[i].max_power,
474                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
475                                         " (IEEE 802.11h required)" : "",
476                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
477                                         || (channels[i].flags &
478                                         IEEE80211_CHAN_RADAR)) ? "" :
479                                         ", IBSS",
480                                         channels[i].flags &
481                                         IEEE80211_CHAN_PASSIVE_SCAN ?
482                                         "passive only" : "active/passive");
483         }
484         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
485         if (supp_band) {
486                 channels = supp_band->channels;
487
488                 pos += scnprintf(buf + pos, bufsz - pos,
489                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
490                                 supp_band->n_channels);
491
492                 for (i = 0; i < supp_band->n_channels; i++)
493                         pos += scnprintf(buf + pos, bufsz - pos,
494                                         "%d: %ddBm: BSS%s%s, %s.\n",
495                                         channels[i].hw_value,
496                                         channels[i].max_power,
497                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
498                                         " (IEEE 802.11h required)" : "",
499                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
500                                         || (channels[i].flags &
501                                         IEEE80211_CHAN_RADAR)) ? "" :
502                                         ", IBSS",
503                                         channels[i].flags &
504                                         IEEE80211_CHAN_PASSIVE_SCAN ?
505                                         "passive only" : "active/passive");
506         }
507         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
508         kfree(buf);
509         return ret;
510 }
511
512 static ssize_t iwl_dbgfs_status_read(struct file *file,
513                                                 char __user *user_buf,
514                                                 size_t count, loff_t *ppos) {
515
516         struct iwl_priv *priv = file->private_data;
517         char buf[512];
518         int pos = 0;
519         const size_t bufsz = sizeof(buf);
520
521         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
522                 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
523         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
524                 test_bit(STATUS_INT_ENABLED, &priv->status));
525         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
526                 test_bit(STATUS_RF_KILL_HW, &priv->status));
527         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
528                 test_bit(STATUS_CT_KILL, &priv->status));
529         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
530                 test_bit(STATUS_INIT, &priv->status));
531         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
532                 test_bit(STATUS_ALIVE, &priv->status));
533         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
534                 test_bit(STATUS_READY, &priv->status));
535         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
536                 test_bit(STATUS_TEMPERATURE, &priv->status));
537         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
538                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
539         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
540                 test_bit(STATUS_EXIT_PENDING, &priv->status));
541         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
542                 test_bit(STATUS_STATISTICS, &priv->status));
543         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
544                 test_bit(STATUS_SCANNING, &priv->status));
545         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
546                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
547         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
548                 test_bit(STATUS_SCAN_HW, &priv->status));
549         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
550                 test_bit(STATUS_POWER_PMI, &priv->status));
551         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
552                 test_bit(STATUS_FW_ERROR, &priv->status));
553         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
554 }
555
556 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
557                                         char __user *user_buf,
558                                         size_t count, loff_t *ppos) {
559
560         struct iwl_priv *priv = file->private_data;
561         int pos = 0;
562         int cnt = 0;
563         char *buf;
564         int bufsz = 24 * 64; /* 24 items * 64 char per item */
565         ssize_t ret;
566
567         buf = kzalloc(bufsz, GFP_KERNEL);
568         if (!buf) {
569                 IWL_ERR(priv, "Can not allocate Buffer\n");
570                 return -ENOMEM;
571         }
572
573         pos += scnprintf(buf + pos, bufsz - pos,
574                         "Interrupt Statistics Report:\n");
575
576         pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
577                 priv->isr_stats.hw);
578         pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
579                 priv->isr_stats.sw);
580         if (priv->isr_stats.sw || priv->isr_stats.hw) {
581                 pos += scnprintf(buf + pos, bufsz - pos,
582                         "\tLast Restarting Code:  0x%X\n",
583                         priv->isr_stats.err_code);
584         }
585 #ifdef CONFIG_IWLWIFI_DEBUG
586         pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
587                 priv->isr_stats.sch);
588         pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
589                 priv->isr_stats.alive);
590 #endif
591         pos += scnprintf(buf + pos, bufsz - pos,
592                 "HW RF KILL switch toggled:\t %u\n",
593                 priv->isr_stats.rfkill);
594
595         pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
596                 priv->isr_stats.ctkill);
597
598         pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
599                 priv->isr_stats.wakeup);
600
601         pos += scnprintf(buf + pos, bufsz - pos,
602                 "Rx command responses:\t\t %u\n",
603                 priv->isr_stats.rx);
604         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
605                 if (priv->isr_stats.rx_handlers[cnt] > 0)
606                         pos += scnprintf(buf + pos, bufsz - pos,
607                                 "\tRx handler[%36s]:\t\t %u\n",
608                                 get_cmd_string(cnt),
609                                 priv->isr_stats.rx_handlers[cnt]);
610         }
611
612         pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
613                 priv->isr_stats.tx);
614
615         pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
616                 priv->isr_stats.unhandled);
617
618         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
619         kfree(buf);
620         return ret;
621 }
622
623 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
624                                          const char __user *user_buf,
625                                          size_t count, loff_t *ppos)
626 {
627         struct iwl_priv *priv = file->private_data;
628         char buf[8];
629         int buf_size;
630         u32 reset_flag;
631
632         memset(buf, 0, sizeof(buf));
633         buf_size = min(count, sizeof(buf) -  1);
634         if (copy_from_user(buf, user_buf, buf_size))
635                 return -EFAULT;
636         if (sscanf(buf, "%x", &reset_flag) != 1)
637                 return -EFAULT;
638         if (reset_flag == 0)
639                 iwl_clear_isr_stats(priv);
640
641         return count;
642 }
643
644 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
645                                        size_t count, loff_t *ppos)
646 {
647         struct iwl_priv *priv = file->private_data;
648         struct iwl_rxon_context *ctx;
649         int pos = 0, i;
650         char buf[256 * NUM_IWL_RXON_CTX];
651         const size_t bufsz = sizeof(buf);
652
653         for_each_context(priv, ctx) {
654                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
655                                  ctx->ctxid);
656                 for (i = 0; i < AC_NUM; i++) {
657                         pos += scnprintf(buf + pos, bufsz - pos,
658                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
659                         pos += scnprintf(buf + pos, bufsz - pos,
660                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
661                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
662                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
663                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
664                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
665                 }
666                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
667         }
668         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
669 }
670
671 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
672                                   size_t count, loff_t *ppos)
673 {
674         struct iwl_priv *priv = file->private_data;
675         int pos = 0;
676         char buf[256];
677         const size_t bufsz = sizeof(buf);
678
679         pos += scnprintf(buf + pos, bufsz - pos,
680                          "allow blinking: %s\n",
681                          (priv->allow_blinking) ? "True" : "False");
682         if (priv->allow_blinking) {
683                 pos += scnprintf(buf + pos, bufsz - pos,
684                                  "Led blinking rate: %u\n",
685                                  priv->last_blink_rate);
686                 pos += scnprintf(buf + pos, bufsz - pos,
687                                  "Last blink time: %lu\n",
688                                  priv->last_blink_time);
689         }
690
691         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
692 }
693
694 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
695                                 char __user *user_buf,
696                                 size_t count, loff_t *ppos)
697 {
698         struct iwl_priv *priv = file->private_data;
699         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
700         struct iwl_tt_restriction *restriction;
701         char buf[100];
702         int pos = 0;
703         const size_t bufsz = sizeof(buf);
704
705         pos += scnprintf(buf + pos, bufsz - pos,
706                         "Thermal Throttling Mode: %s\n",
707                         tt->advanced_tt ? "Advance" : "Legacy");
708         pos += scnprintf(buf + pos, bufsz - pos,
709                         "Thermal Throttling State: %d\n",
710                         tt->state);
711         if (tt->advanced_tt) {
712                 restriction = tt->restriction + tt->state;
713                 pos += scnprintf(buf + pos, bufsz - pos,
714                                 "Tx mode: %d\n",
715                                 restriction->tx_stream);
716                 pos += scnprintf(buf + pos, bufsz - pos,
717                                 "Rx mode: %d\n",
718                                 restriction->rx_stream);
719                 pos += scnprintf(buf + pos, bufsz - pos,
720                                 "HT mode: %d\n",
721                                 restriction->is_ht);
722         }
723         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
724 }
725
726 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
727                                          const char __user *user_buf,
728                                          size_t count, loff_t *ppos)
729 {
730         struct iwl_priv *priv = file->private_data;
731         char buf[8];
732         int buf_size;
733         int ht40;
734
735         memset(buf, 0, sizeof(buf));
736         buf_size = min(count, sizeof(buf) -  1);
737         if (copy_from_user(buf, user_buf, buf_size))
738                 return -EFAULT;
739         if (sscanf(buf, "%d", &ht40) != 1)
740                 return -EFAULT;
741         if (!iwl_is_any_associated(priv))
742                 priv->disable_ht40 = ht40 ? true : false;
743         else {
744                 IWL_ERR(priv, "Sta associated with AP - "
745                         "Change to 40MHz channel support is not allowed\n");
746                 return -EINVAL;
747         }
748
749         return count;
750 }
751
752 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
753                                          char __user *user_buf,
754                                          size_t count, loff_t *ppos)
755 {
756         struct iwl_priv *priv = file->private_data;
757         char buf[100];
758         int pos = 0;
759         const size_t bufsz = sizeof(buf);
760
761         pos += scnprintf(buf + pos, bufsz - pos,
762                         "11n 40MHz Mode: %s\n",
763                         priv->disable_ht40 ? "Disabled" : "Enabled");
764         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
765 }
766
767 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
768                                                     const char __user *user_buf,
769                                                     size_t count, loff_t *ppos)
770 {
771         struct iwl_priv *priv = file->private_data;
772         char buf[8];
773         int buf_size;
774         int value;
775
776         memset(buf, 0, sizeof(buf));
777         buf_size = min(count, sizeof(buf) -  1);
778         if (copy_from_user(buf, user_buf, buf_size))
779                 return -EFAULT;
780
781         if (sscanf(buf, "%d", &value) != 1)
782                 return -EINVAL;
783
784         /*
785          * Our users expect 0 to be "CAM", but 0 isn't actually
786          * valid here. However, let's not confuse them and present
787          * IWL_POWER_INDEX_1 as "1", not "0".
788          */
789         if (value == 0)
790                 return -EINVAL;
791         else if (value > 0)
792                 value -= 1;
793
794         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
795                 return -EINVAL;
796
797         if (!iwl_is_ready_rf(priv))
798                 return -EAGAIN;
799
800         priv->power_data.debug_sleep_level_override = value;
801
802         mutex_lock(&priv->mutex);
803         iwl_power_update_mode(priv, true);
804         mutex_unlock(&priv->mutex);
805
806         return count;
807 }
808
809 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
810                                                    char __user *user_buf,
811                                                    size_t count, loff_t *ppos)
812 {
813         struct iwl_priv *priv = file->private_data;
814         char buf[10];
815         int pos, value;
816         const size_t bufsz = sizeof(buf);
817
818         /* see the write function */
819         value = priv->power_data.debug_sleep_level_override;
820         if (value >= 0)
821                 value += 1;
822
823         pos = scnprintf(buf, bufsz, "%d\n", value);
824         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
825 }
826
827 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
828                                                     char __user *user_buf,
829                                                     size_t count, loff_t *ppos)
830 {
831         struct iwl_priv *priv = file->private_data;
832         char buf[200];
833         int pos = 0, i;
834         const size_t bufsz = sizeof(buf);
835         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
836
837         pos += scnprintf(buf + pos, bufsz - pos,
838                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
839         pos += scnprintf(buf + pos, bufsz - pos,
840                          "RX/TX timeout: %d/%d usec\n",
841                          le32_to_cpu(cmd->rx_data_timeout),
842                          le32_to_cpu(cmd->tx_data_timeout));
843         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
844                 pos += scnprintf(buf + pos, bufsz - pos,
845                                  "sleep_interval[%d]: %d\n", i,
846                                  le32_to_cpu(cmd->sleep_interval[i]));
847
848         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
849 }
850
851 DEBUGFS_READ_WRITE_FILE_OPS(sram);
852 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
853 DEBUGFS_READ_FILE_OPS(nvm);
854 DEBUGFS_READ_FILE_OPS(stations);
855 DEBUGFS_READ_FILE_OPS(channels);
856 DEBUGFS_READ_FILE_OPS(status);
857 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
858 DEBUGFS_READ_FILE_OPS(qos);
859 DEBUGFS_READ_FILE_OPS(led);
860 DEBUGFS_READ_FILE_OPS(thermal_throttling);
861 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
862 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
863 DEBUGFS_READ_FILE_OPS(current_sleep_command);
864
865 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
866                                          char __user *user_buf,
867                                          size_t count, loff_t *ppos)
868 {
869         struct iwl_priv *priv = file->private_data;
870         int pos = 0, ofs = 0;
871         int cnt = 0, entry;
872         struct iwl_tx_queue *txq;
873         struct iwl_queue *q;
874         struct iwl_rx_queue *rxq = &priv->rxq;
875         char *buf;
876         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
877                 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
878         const u8 *ptr;
879         ssize_t ret;
880
881         if (!priv->txq) {
882                 IWL_ERR(priv, "txq not ready\n");
883                 return -EAGAIN;
884         }
885         buf = kzalloc(bufsz, GFP_KERNEL);
886         if (!buf) {
887                 IWL_ERR(priv, "Can not allocate buffer\n");
888                 return -ENOMEM;
889         }
890         pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
891         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
892                 txq = &priv->txq[cnt];
893                 q = &txq->q;
894                 pos += scnprintf(buf + pos, bufsz - pos,
895                                 "q[%d]: read_ptr: %u, write_ptr: %u\n",
896                                 cnt, q->read_ptr, q->write_ptr);
897         }
898         if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
899                 ptr = priv->tx_traffic;
900                 pos += scnprintf(buf + pos, bufsz - pos,
901                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
902                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
903                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
904                              entry++,  ofs += 16) {
905                                 pos += scnprintf(buf + pos, bufsz - pos,
906                                                 "0x%.4x ", ofs);
907                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
908                                                    buf + pos, bufsz - pos, 0);
909                                 pos += strlen(buf + pos);
910                                 if (bufsz - pos > 0)
911                                         buf[pos++] = '\n';
912                         }
913                 }
914         }
915
916         pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
917         pos += scnprintf(buf + pos, bufsz - pos,
918                         "read: %u, write: %u\n",
919                          rxq->read, rxq->write);
920
921         if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
922                 ptr = priv->rx_traffic;
923                 pos += scnprintf(buf + pos, bufsz - pos,
924                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
925                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
926                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
927                              entry++,  ofs += 16) {
928                                 pos += scnprintf(buf + pos, bufsz - pos,
929                                                 "0x%.4x ", ofs);
930                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
931                                                    buf + pos, bufsz - pos, 0);
932                                 pos += strlen(buf + pos);
933                                 if (bufsz - pos > 0)
934                                         buf[pos++] = '\n';
935                         }
936                 }
937         }
938
939         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
940         kfree(buf);
941         return ret;
942 }
943
944 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
945                                          const char __user *user_buf,
946                                          size_t count, loff_t *ppos)
947 {
948         struct iwl_priv *priv = file->private_data;
949         char buf[8];
950         int buf_size;
951         int traffic_log;
952
953         memset(buf, 0, sizeof(buf));
954         buf_size = min(count, sizeof(buf) -  1);
955         if (copy_from_user(buf, user_buf, buf_size))
956                 return -EFAULT;
957         if (sscanf(buf, "%d", &traffic_log) != 1)
958                 return -EFAULT;
959         if (traffic_log == 0)
960                 iwl_reset_traffic_log(priv);
961
962         return count;
963 }
964
965 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
966                                                 char __user *user_buf,
967                                                 size_t count, loff_t *ppos) {
968
969         struct iwl_priv *priv = file->private_data;
970         struct iwl_tx_queue *txq;
971         struct iwl_queue *q;
972         char *buf;
973         int pos = 0;
974         int cnt;
975         int ret;
976         const size_t bufsz = sizeof(char) * 64 *
977                                 priv->cfg->base_params->num_of_queues;
978
979         if (!priv->txq) {
980                 IWL_ERR(priv, "txq not ready\n");
981                 return -EAGAIN;
982         }
983         buf = kzalloc(bufsz, GFP_KERNEL);
984         if (!buf)
985                 return -ENOMEM;
986
987         for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
988                 txq = &priv->txq[cnt];
989                 q = &txq->q;
990                 pos += scnprintf(buf + pos, bufsz - pos,
991                                 "hwq %.2d: read=%u write=%u stop=%d"
992                                 " swq_id=%#.2x (ac %d/hwq %d)\n",
993                                 cnt, q->read_ptr, q->write_ptr,
994                                 !!test_bit(cnt, priv->queue_stopped),
995                                 txq->swq_id, txq->swq_id & 3,
996                                 (txq->swq_id >> 2) & 0x1f);
997                 if (cnt >= 4)
998                         continue;
999                 /* for the ACs, display the stop count too */
1000                 pos += scnprintf(buf + pos, bufsz - pos,
1001                                 "        stop-count: %d\n",
1002                                 atomic_read(&priv->queue_stop_count[cnt]));
1003         }
1004         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1005         kfree(buf);
1006         return ret;
1007 }
1008
1009 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1010                                                 char __user *user_buf,
1011                                                 size_t count, loff_t *ppos) {
1012
1013         struct iwl_priv *priv = file->private_data;
1014         struct iwl_rx_queue *rxq = &priv->rxq;
1015         char buf[256];
1016         int pos = 0;
1017         const size_t bufsz = sizeof(buf);
1018
1019         pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1020                                                 rxq->read);
1021         pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1022                                                 rxq->write);
1023         pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1024                                                 rxq->free_count);
1025         if (rxq->rb_stts) {
1026                 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1027                          le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
1028         } else {
1029                 pos += scnprintf(buf + pos, bufsz - pos,
1030                                         "closed_rb_num: Not Allocated\n");
1031         }
1032         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1033 }
1034
1035 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1036                                         char __user *user_buf,
1037                                         size_t count, loff_t *ppos)
1038 {
1039         struct iwl_priv *priv = file->private_data;
1040         return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1041                         user_buf, count, ppos);
1042 }
1043
1044 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1045                                         char __user *user_buf,
1046                                         size_t count, loff_t *ppos)
1047 {
1048         struct iwl_priv *priv = file->private_data;
1049         return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1050                         user_buf, count, ppos);
1051 }
1052
1053 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1054                                         char __user *user_buf,
1055                                         size_t count, loff_t *ppos)
1056 {
1057         struct iwl_priv *priv = file->private_data;
1058         return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1059                         user_buf, count, ppos);
1060 }
1061
1062 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1063                                         char __user *user_buf,
1064                                         size_t count, loff_t *ppos) {
1065
1066         struct iwl_priv *priv = file->private_data;
1067         int pos = 0;
1068         int cnt = 0;
1069         char *buf;
1070         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1071         ssize_t ret;
1072         struct iwl_sensitivity_data *data;
1073
1074         data = &priv->sensitivity_data;
1075         buf = kzalloc(bufsz, GFP_KERNEL);
1076         if (!buf) {
1077                 IWL_ERR(priv, "Can not allocate Buffer\n");
1078                 return -ENOMEM;
1079         }
1080
1081         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1082                         data->auto_corr_ofdm);
1083         pos += scnprintf(buf + pos, bufsz - pos,
1084                         "auto_corr_ofdm_mrc:\t\t %u\n",
1085                         data->auto_corr_ofdm_mrc);
1086         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1087                         data->auto_corr_ofdm_x1);
1088         pos += scnprintf(buf + pos, bufsz - pos,
1089                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1090                         data->auto_corr_ofdm_mrc_x1);
1091         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1092                         data->auto_corr_cck);
1093         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1094                         data->auto_corr_cck_mrc);
1095         pos += scnprintf(buf + pos, bufsz - pos,
1096                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1097                         data->last_bad_plcp_cnt_ofdm);
1098         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1099                         data->last_fa_cnt_ofdm);
1100         pos += scnprintf(buf + pos, bufsz - pos,
1101                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1102                         data->last_bad_plcp_cnt_cck);
1103         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1104                         data->last_fa_cnt_cck);
1105         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1106                         data->nrg_curr_state);
1107         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1108                         data->nrg_prev_state);
1109         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1110         for (cnt = 0; cnt < 10; cnt++) {
1111                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1112                                 data->nrg_value[cnt]);
1113         }
1114         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1115         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1116         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1117                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1118                                 data->nrg_silence_rssi[cnt]);
1119         }
1120         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1121         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1122                         data->nrg_silence_ref);
1123         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1124                         data->nrg_energy_idx);
1125         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1126                         data->nrg_silence_idx);
1127         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1128                         data->nrg_th_cck);
1129         pos += scnprintf(buf + pos, bufsz - pos,
1130                         "nrg_auto_corr_silence_diff:\t %u\n",
1131                         data->nrg_auto_corr_silence_diff);
1132         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1133                         data->num_in_cck_no_fa);
1134         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1135                         data->nrg_th_ofdm);
1136
1137         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1138         kfree(buf);
1139         return ret;
1140 }
1141
1142
1143 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1144                                         char __user *user_buf,
1145                                         size_t count, loff_t *ppos) {
1146
1147         struct iwl_priv *priv = file->private_data;
1148         int pos = 0;
1149         int cnt = 0;
1150         char *buf;
1151         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1152         ssize_t ret;
1153         struct iwl_chain_noise_data *data;
1154
1155         data = &priv->chain_noise_data;
1156         buf = kzalloc(bufsz, GFP_KERNEL);
1157         if (!buf) {
1158                 IWL_ERR(priv, "Can not allocate Buffer\n");
1159                 return -ENOMEM;
1160         }
1161
1162         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1163                         data->active_chains);
1164         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1165                         data->chain_noise_a);
1166         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1167                         data->chain_noise_b);
1168         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1169                         data->chain_noise_c);
1170         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1171                         data->chain_signal_a);
1172         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1173                         data->chain_signal_b);
1174         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1175                         data->chain_signal_c);
1176         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1177                         data->beacon_count);
1178
1179         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1180         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1181                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1182                                 data->disconn_array[cnt]);
1183         }
1184         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1185         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1186         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1187                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1188                                 data->delta_gain_code[cnt]);
1189         }
1190         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1191         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1192                         data->radio_write);
1193         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1194                         data->state);
1195
1196         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1197         kfree(buf);
1198         return ret;
1199 }
1200
1201 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1202                                                     char __user *user_buf,
1203                                                     size_t count, loff_t *ppos)
1204 {
1205         struct iwl_priv *priv = file->private_data;
1206         char buf[60];
1207         int pos = 0;
1208         const size_t bufsz = sizeof(buf);
1209         u32 pwrsave_status;
1210
1211         pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1212                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1213
1214         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1215         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1216                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1217                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1218                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1219                 "error");
1220
1221         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1222 }
1223
1224 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1225                                          const char __user *user_buf,
1226                                          size_t count, loff_t *ppos)
1227 {
1228         struct iwl_priv *priv = file->private_data;
1229         char buf[8];
1230         int buf_size;
1231         int clear;
1232
1233         memset(buf, 0, sizeof(buf));
1234         buf_size = min(count, sizeof(buf) -  1);
1235         if (copy_from_user(buf, user_buf, buf_size))
1236                 return -EFAULT;
1237         if (sscanf(buf, "%d", &clear) != 1)
1238                 return -EFAULT;
1239
1240         /* make request to uCode to retrieve statistics information */
1241         mutex_lock(&priv->mutex);
1242         iwl_send_statistics_request(priv, CMD_SYNC, true);
1243         mutex_unlock(&priv->mutex);
1244
1245         return count;
1246 }
1247
1248 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1249                                          const char __user *user_buf,
1250                                          size_t count, loff_t *ppos)
1251 {
1252         struct iwl_priv *priv = file->private_data;
1253         char buf[8];
1254         int buf_size;
1255         int csr;
1256
1257         memset(buf, 0, sizeof(buf));
1258         buf_size = min(count, sizeof(buf) -  1);
1259         if (copy_from_user(buf, user_buf, buf_size))
1260                 return -EFAULT;
1261         if (sscanf(buf, "%d", &csr) != 1)
1262                 return -EFAULT;
1263
1264         if (priv->cfg->ops->lib->dump_csr)
1265                 priv->cfg->ops->lib->dump_csr(priv);
1266
1267         return count;
1268 }
1269
1270 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1271                                         char __user *user_buf,
1272                                         size_t count, loff_t *ppos) {
1273
1274         struct iwl_priv *priv = file->private_data;
1275         int pos = 0;
1276         char buf[128];
1277         const size_t bufsz = sizeof(buf);
1278
1279         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1280                         priv->event_log.ucode_trace ? "On" : "Off");
1281         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1282                         priv->event_log.non_wraps_count);
1283         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1284                         priv->event_log.wraps_once_count);
1285         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1286                         priv->event_log.wraps_more_count);
1287
1288         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1289 }
1290
1291 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1292                                          const char __user *user_buf,
1293                                          size_t count, loff_t *ppos)
1294 {
1295         struct iwl_priv *priv = file->private_data;
1296         char buf[8];
1297         int buf_size;
1298         int trace;
1299
1300         memset(buf, 0, sizeof(buf));
1301         buf_size = min(count, sizeof(buf) -  1);
1302         if (copy_from_user(buf, user_buf, buf_size))
1303                 return -EFAULT;
1304         if (sscanf(buf, "%d", &trace) != 1)
1305                 return -EFAULT;
1306
1307         if (trace) {
1308                 priv->event_log.ucode_trace = true;
1309                 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1310                 mod_timer(&priv->ucode_trace,
1311                         jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1312         } else {
1313                 priv->event_log.ucode_trace = false;
1314                 del_timer_sync(&priv->ucode_trace);
1315         }
1316
1317         return count;
1318 }
1319
1320 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1321                                          char __user *user_buf,
1322                                          size_t count, loff_t *ppos) {
1323
1324         struct iwl_priv *priv = file->private_data;
1325         int len = 0;
1326         char buf[20];
1327
1328         len = sprintf(buf, "0x%04X\n",
1329                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1330         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1331 }
1332
1333 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1334                                                 char __user *user_buf,
1335                                                 size_t count, loff_t *ppos) {
1336
1337         struct iwl_priv *priv = file->private_data;
1338         int len = 0;
1339         char buf[20];
1340
1341         len = sprintf(buf, "0x%04X\n",
1342                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1343         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1344 }
1345
1346 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1347                                          char __user *user_buf,
1348                                          size_t count, loff_t *ppos)
1349 {
1350         struct iwl_priv *priv = file->private_data;
1351         char *buf;
1352         int pos = 0;
1353         ssize_t ret = -EFAULT;
1354
1355         if (priv->cfg->ops->lib->dump_fh) {
1356                 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1357                 if (buf) {
1358                         ret = simple_read_from_buffer(user_buf,
1359                                                       count, ppos, buf, pos);
1360                         kfree(buf);
1361                 }
1362         }
1363
1364         return ret;
1365 }
1366
1367 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1368                                         char __user *user_buf,
1369                                         size_t count, loff_t *ppos) {
1370
1371         struct iwl_priv *priv = file->private_data;
1372         int pos = 0;
1373         char buf[12];
1374         const size_t bufsz = sizeof(buf);
1375
1376         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1377                         priv->missed_beacon_threshold);
1378
1379         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1380 }
1381
1382 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1383                                          const char __user *user_buf,
1384                                          size_t count, loff_t *ppos)
1385 {
1386         struct iwl_priv *priv = file->private_data;
1387         char buf[8];
1388         int buf_size;
1389         int missed;
1390
1391         memset(buf, 0, sizeof(buf));
1392         buf_size = min(count, sizeof(buf) -  1);
1393         if (copy_from_user(buf, user_buf, buf_size))
1394                 return -EFAULT;
1395         if (sscanf(buf, "%d", &missed) != 1)
1396                 return -EINVAL;
1397
1398         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1399             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1400                 priv->missed_beacon_threshold =
1401                         IWL_MISSED_BEACON_THRESHOLD_DEF;
1402         else
1403                 priv->missed_beacon_threshold = missed;
1404
1405         return count;
1406 }
1407
1408 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1409                                         char __user *user_buf,
1410                                         size_t count, loff_t *ppos) {
1411
1412         struct iwl_priv *priv = file->private_data;
1413         int pos = 0;
1414         char buf[12];
1415         const size_t bufsz = sizeof(buf);
1416
1417         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1418                         priv->cfg->base_params->plcp_delta_threshold);
1419
1420         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1421 }
1422
1423 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1424                                         const char __user *user_buf,
1425                                         size_t count, loff_t *ppos) {
1426
1427         struct iwl_priv *priv = file->private_data;
1428         char buf[8];
1429         int buf_size;
1430         int plcp;
1431
1432         memset(buf, 0, sizeof(buf));
1433         buf_size = min(count, sizeof(buf) -  1);
1434         if (copy_from_user(buf, user_buf, buf_size))
1435                 return -EFAULT;
1436         if (sscanf(buf, "%d", &plcp) != 1)
1437                 return -EINVAL;
1438         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
1439                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1440                 priv->cfg->base_params->plcp_delta_threshold =
1441                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
1442         else
1443                 priv->cfg->base_params->plcp_delta_threshold = plcp;
1444         return count;
1445 }
1446
1447 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1448                                         char __user *user_buf,
1449                                         size_t count, loff_t *ppos) {
1450
1451         struct iwl_priv *priv = file->private_data;
1452         int i, pos = 0;
1453         char buf[300];
1454         const size_t bufsz = sizeof(buf);
1455         struct iwl_force_reset *force_reset;
1456
1457         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1458                 force_reset = &priv->force_reset[i];
1459                 pos += scnprintf(buf + pos, bufsz - pos,
1460                                 "Force reset method %d\n", i);
1461                 pos += scnprintf(buf + pos, bufsz - pos,
1462                                 "\tnumber of reset request: %d\n",
1463                                 force_reset->reset_request_count);
1464                 pos += scnprintf(buf + pos, bufsz - pos,
1465                                 "\tnumber of reset request success: %d\n",
1466                                 force_reset->reset_success_count);
1467                 pos += scnprintf(buf + pos, bufsz - pos,
1468                                 "\tnumber of reset request reject: %d\n",
1469                                 force_reset->reset_reject_count);
1470                 pos += scnprintf(buf + pos, bufsz - pos,
1471                                 "\treset duration: %lu\n",
1472                                 force_reset->reset_duration);
1473         }
1474         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1475 }
1476
1477 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1478                                         const char __user *user_buf,
1479                                         size_t count, loff_t *ppos) {
1480
1481         struct iwl_priv *priv = file->private_data;
1482         char buf[8];
1483         int buf_size;
1484         int reset, ret;
1485
1486         memset(buf, 0, sizeof(buf));
1487         buf_size = min(count, sizeof(buf) -  1);
1488         if (copy_from_user(buf, user_buf, buf_size))
1489                 return -EFAULT;
1490         if (sscanf(buf, "%d", &reset) != 1)
1491                 return -EINVAL;
1492         switch (reset) {
1493         case IWL_RF_RESET:
1494         case IWL_FW_RESET:
1495                 ret = iwl_force_reset(priv, reset, true);
1496                 break;
1497         default:
1498                 return -EINVAL;
1499         }
1500         return ret ? ret : count;
1501 }
1502
1503 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1504                                         const char __user *user_buf,
1505                                         size_t count, loff_t *ppos) {
1506
1507         struct iwl_priv *priv = file->private_data;
1508         char buf[8];
1509         int buf_size;
1510         int flush;
1511
1512         memset(buf, 0, sizeof(buf));
1513         buf_size = min(count, sizeof(buf) -  1);
1514         if (copy_from_user(buf, user_buf, buf_size))
1515                 return -EFAULT;
1516         if (sscanf(buf, "%d", &flush) != 1)
1517                 return -EINVAL;
1518
1519         if (iwl_is_rfkill(priv))
1520                 return -EFAULT;
1521
1522         priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1523
1524         return count;
1525 }
1526
1527 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1528                                         char __user *user_buf,
1529                                         size_t count, loff_t *ppos)
1530 {
1531         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1532
1533         return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1534                         user_buf, count, ppos);
1535 }
1536
1537 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
1538                                         const char __user *user_buf,
1539                                         size_t count, loff_t *ppos) {
1540
1541         struct iwl_priv *priv = file->private_data;
1542         char buf[8];
1543         int buf_size;
1544         int timeout;
1545
1546         memset(buf, 0, sizeof(buf));
1547         buf_size = min(count, sizeof(buf) -  1);
1548         if (copy_from_user(buf, user_buf, buf_size))
1549                 return -EFAULT;
1550         if (sscanf(buf, "%d", &timeout) != 1)
1551                 return -EINVAL;
1552         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
1553                 timeout = IWL_DEF_WD_TIMEOUT;
1554
1555         priv->cfg->base_params->wd_timeout = timeout;
1556         iwl_setup_watchdog(priv);
1557         return count;
1558 }
1559
1560 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1561                                         char __user *user_buf,
1562                                         size_t count, loff_t *ppos) {
1563
1564         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1565         int pos = 0;
1566         char buf[200];
1567         const size_t bufsz = sizeof(buf);
1568         ssize_t ret;
1569
1570         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1571                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1572         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1573                          "last traffic notif: %d\n",
1574                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
1575         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1576                          "sco_active: %d, kill_ack_mask: %x, "
1577                          "kill_cts_mask: %x\n",
1578                 priv->bt_ch_announce, priv->bt_sco_active,
1579                 priv->kill_ack_mask, priv->kill_cts_mask);
1580
1581         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1582         switch (priv->bt_traffic_load) {
1583         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1584                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1585                 break;
1586         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1587                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1588                 break;
1589         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1590                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1591                 break;
1592         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1593         default:
1594                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1595                 break;
1596         }
1597
1598         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1599         return ret;
1600 }
1601
1602 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1603                                         char __user *user_buf,
1604                                         size_t count, loff_t *ppos)
1605 {
1606         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1607
1608         int pos = 0;
1609         char buf[40];
1610         const size_t bufsz = sizeof(buf);
1611
1612         if (priv->cfg->ht_params)
1613                 pos += scnprintf(buf + pos, bufsz - pos,
1614                          "use %s for aggregation\n",
1615                          (priv->cfg->ht_params->use_rts_for_aggregation) ?
1616                                 "rts/cts" : "cts-to-self");
1617         else
1618                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1619
1620         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1621 }
1622
1623 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1624                                         const char __user *user_buf,
1625                                         size_t count, loff_t *ppos) {
1626
1627         struct iwl_priv *priv = file->private_data;
1628         char buf[8];
1629         int buf_size;
1630         int rts;
1631
1632         if (!priv->cfg->ht_params)
1633                 return -EINVAL;
1634
1635         memset(buf, 0, sizeof(buf));
1636         buf_size = min(count, sizeof(buf) -  1);
1637         if (copy_from_user(buf, user_buf, buf_size))
1638                 return -EFAULT;
1639         if (sscanf(buf, "%d", &rts) != 1)
1640                 return -EINVAL;
1641         if (rts)
1642                 priv->cfg->ht_params->use_rts_for_aggregation = true;
1643         else
1644                 priv->cfg->ht_params->use_rts_for_aggregation = false;
1645         return count;
1646 }
1647
1648 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1649                                         char __user *user_buf,
1650                                         size_t count, loff_t *ppos)
1651 {
1652         struct iwl_priv *priv = file->private_data;
1653
1654         if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1655                 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1656                         file, user_buf, count, ppos);
1657         else
1658                 return -ENODATA;
1659 }
1660 DEBUGFS_READ_FILE_OPS(rx_statistics);
1661 DEBUGFS_READ_FILE_OPS(tx_statistics);
1662 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1663 DEBUGFS_READ_FILE_OPS(rx_queue);
1664 DEBUGFS_READ_FILE_OPS(tx_queue);
1665 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1666 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1667 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1668 DEBUGFS_READ_FILE_OPS(sensitivity);
1669 DEBUGFS_READ_FILE_OPS(chain_noise);
1670 DEBUGFS_READ_FILE_OPS(power_save_status);
1671 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1672 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1673 DEBUGFS_WRITE_FILE_OPS(csr);
1674 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1675 DEBUGFS_READ_FILE_OPS(fh_reg);
1676 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1677 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1678 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1679 DEBUGFS_READ_FILE_OPS(rxon_flags);
1680 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1681 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
1682 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
1683 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
1684 DEBUGFS_READ_FILE_OPS(bt_traffic);
1685 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
1686 DEBUGFS_READ_FILE_OPS(reply_tx_error);
1687
1688 /*
1689  * Create the debugfs files and directories
1690  *
1691  */
1692 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1693 {
1694         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1695         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1696
1697         dir_drv = debugfs_create_dir(name, phyd);
1698         if (!dir_drv)
1699                 return -ENOMEM;
1700
1701         priv->debugfs_dir = dir_drv;
1702
1703         dir_data = debugfs_create_dir("data", dir_drv);
1704         if (!dir_data)
1705                 goto err;
1706         dir_rf = debugfs_create_dir("rf", dir_drv);
1707         if (!dir_rf)
1708                 goto err;
1709         dir_debug = debugfs_create_dir("debug", dir_drv);
1710         if (!dir_debug)
1711                 goto err;
1712
1713         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1714         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1715         DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1716         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1717         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1718         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1719         DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1720         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1721         DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
1722         if (!priv->cfg->base_params->broken_powersave) {
1723                 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1724                                  S_IWUSR | S_IRUSR);
1725                 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1726         }
1727         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1728         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1729         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1730         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1731         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1732         DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1733         DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1734         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1735         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1736         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1737         DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1738         DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1739         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1740         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1741         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1742         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1743         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1744         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1745         if (priv->cfg->ops->lib->dev_txfifo_flush)
1746                 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
1747         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
1748
1749         if (priv->cfg->base_params->sensitivity_calib_by_driver)
1750                 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1751         if (priv->cfg->base_params->chain_noise_calib_by_driver)
1752                 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1753         if (priv->cfg->base_params->ucode_tracing)
1754                 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1755         if (priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics)
1756                 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
1757         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
1758         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1759         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1760         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
1761         if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist)
1762                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
1763         if (priv->cfg->base_params->sensitivity_calib_by_driver)
1764                 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1765                                  &priv->disable_sens_cal);
1766         if (priv->cfg->base_params->chain_noise_calib_by_driver)
1767                 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1768                                  &priv->disable_chain_noise_cal);
1769         if (priv->cfg->base_params->tx_power_by_driver)
1770                 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1771                                 &priv->disable_tx_power_cal);
1772         return 0;
1773
1774 err:
1775         IWL_ERR(priv, "Can't create the debugfs directory\n");
1776         iwl_dbgfs_unregister(priv);
1777         return -ENOMEM;
1778 }
1779 EXPORT_SYMBOL(iwl_dbgfs_register);
1780
1781 /**
1782  * Remove the debugfs files and directories
1783  *
1784  */
1785 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1786 {
1787         if (!priv->debugfs_dir)
1788                 return;
1789
1790         debugfs_remove_recursive(priv->debugfs_dir);
1791         priv->debugfs_dir = NULL;
1792 }
1793 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1794
1795
1796