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