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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[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->cur_ucode];
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 seqno next_rclmd "
373 "rate_n_flags state txq\n");
374
375 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
376 tid_data = &priv->tid_data[i][j];
377 pos += scnprintf(buf + pos, bufsz - pos,
378 "%d: 0x%.4x 0x%.4x 0x%.8x "
379 "%d %.2d",
380 j, tid_data->seq_number,
381 tid_data->next_reclaimed,
382 tid_data->agg.rate_n_flags,
383 tid_data->agg.state,
384 tid_data->agg.txq_id);
385
386 if (tid_data->agg.wait_for_ba)
387 pos += scnprintf(buf + pos, bufsz - pos,
388 " - waitforba");
389 pos += scnprintf(buf + pos, bufsz - pos, "\n");
390 }
391
392 pos += scnprintf(buf + pos, bufsz - 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_nvm_read(struct file *file,
401 char __user *user_buf,
402 size_t count,
403 loff_t *ppos)
404 {
405 ssize_t ret;
406 struct iwl_priv *priv = file->private_data;
407 int pos = 0, ofs = 0, buf_size = 0;
408 const u8 *ptr;
409 char *buf;
410 u16 eeprom_ver;
411 size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
412 buf_size = 4 * eeprom_len + 256;
413
414 if (eeprom_len % 16) {
415 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
416 return -ENODATA;
417 }
418
419 ptr = priv->eeprom;
420 if (!ptr) {
421 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
422 return -ENOMEM;
423 }
424
425 /* 4 characters for byte 0xYY */
426 buf = kzalloc(buf_size, GFP_KERNEL);
427 if (!buf) {
428 IWL_ERR(priv, "Can not allocate Buffer\n");
429 return -ENOMEM;
430 }
431 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
432 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
433 "version: 0x%x\n",
434 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
435 ? "OTP" : "EEPROM", eeprom_ver);
436 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
437 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
438 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
439 buf_size - pos, 0);
440 pos += strlen(buf + pos);
441 if (buf_size - pos > 0)
442 buf[pos++] = '\n';
443 }
444
445 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
446 kfree(buf);
447 return ret;
448 }
449
450 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
451 size_t count, loff_t *ppos)
452 {
453 struct iwl_priv *priv = file->private_data;
454 struct ieee80211_channel *channels = NULL;
455 const struct ieee80211_supported_band *supp_band = NULL;
456 int pos = 0, i, bufsz = PAGE_SIZE;
457 char *buf;
458 ssize_t ret;
459
460 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
461 return -EAGAIN;
462
463 buf = kzalloc(bufsz, GFP_KERNEL);
464 if (!buf) {
465 IWL_ERR(priv, "Can not allocate Buffer\n");
466 return -ENOMEM;
467 }
468
469 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
470 if (supp_band) {
471 channels = supp_band->channels;
472
473 pos += scnprintf(buf + pos, bufsz - pos,
474 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
475 supp_band->n_channels);
476
477 for (i = 0; i < supp_band->n_channels; i++)
478 pos += scnprintf(buf + pos, bufsz - pos,
479 "%d: %ddBm: BSS%s%s, %s.\n",
480 channels[i].hw_value,
481 channels[i].max_power,
482 channels[i].flags & IEEE80211_CHAN_RADAR ?
483 " (IEEE 802.11h required)" : "",
484 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
485 || (channels[i].flags &
486 IEEE80211_CHAN_RADAR)) ? "" :
487 ", IBSS",
488 channels[i].flags &
489 IEEE80211_CHAN_PASSIVE_SCAN ?
490 "passive only" : "active/passive");
491 }
492 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
493 if (supp_band) {
494 channels = supp_band->channels;
495
496 pos += scnprintf(buf + pos, bufsz - pos,
497 "Displaying %d channels in 5.2GHz band (802.11a)\n",
498 supp_band->n_channels);
499
500 for (i = 0; i < supp_band->n_channels; i++)
501 pos += scnprintf(buf + pos, bufsz - pos,
502 "%d: %ddBm: BSS%s%s, %s.\n",
503 channels[i].hw_value,
504 channels[i].max_power,
505 channels[i].flags & IEEE80211_CHAN_RADAR ?
506 " (IEEE 802.11h required)" : "",
507 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
508 || (channels[i].flags &
509 IEEE80211_CHAN_RADAR)) ? "" :
510 ", IBSS",
511 channels[i].flags &
512 IEEE80211_CHAN_PASSIVE_SCAN ?
513 "passive only" : "active/passive");
514 }
515 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
516 kfree(buf);
517 return ret;
518 }
519
520 static ssize_t iwl_dbgfs_status_read(struct file *file,
521 char __user *user_buf,
522 size_t count, loff_t *ppos) {
523
524 struct iwl_priv *priv = file->private_data;
525 char buf[512];
526 int pos = 0;
527 const size_t bufsz = sizeof(buf);
528
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
530 test_bit(STATUS_RF_KILL_HW, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
532 test_bit(STATUS_CT_KILL, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
534 test_bit(STATUS_ALIVE, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
536 test_bit(STATUS_READY, &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_rx_handlers_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
562 int pos = 0;
563 int cnt = 0;
564 char *buf;
565 int bufsz = 24 * 64; /* 24 items * 64 char per item */
566 ssize_t ret;
567
568 buf = kzalloc(bufsz, GFP_KERNEL);
569 if (!buf) {
570 IWL_ERR(priv, "Can not allocate Buffer\n");
571 return -ENOMEM;
572 }
573
574 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
575 if (priv->rx_handlers_stats[cnt] > 0)
576 pos += scnprintf(buf + pos, bufsz - pos,
577 "\tRx handler[%36s]:\t\t %u\n",
578 iwl_dvm_get_cmd_string(cnt),
579 priv->rx_handlers_stats[cnt]);
580 }
581
582 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
583 kfree(buf);
584 return ret;
585 }
586
587 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
588 const char __user *user_buf,
589 size_t count, loff_t *ppos)
590 {
591 struct iwl_priv *priv = file->private_data;
592
593 char buf[8];
594 int buf_size;
595 u32 reset_flag;
596
597 memset(buf, 0, sizeof(buf));
598 buf_size = min(count, sizeof(buf) - 1);
599 if (copy_from_user(buf, user_buf, buf_size))
600 return -EFAULT;
601 if (sscanf(buf, "%x", &reset_flag) != 1)
602 return -EFAULT;
603 if (reset_flag == 0)
604 memset(&priv->rx_handlers_stats[0], 0,
605 sizeof(priv->rx_handlers_stats));
606
607 return count;
608 }
609
610 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
611 size_t count, loff_t *ppos)
612 {
613 struct iwl_priv *priv = file->private_data;
614 struct iwl_rxon_context *ctx;
615 int pos = 0, i;
616 char buf[256 * NUM_IWL_RXON_CTX];
617 const size_t bufsz = sizeof(buf);
618
619 for_each_context(priv, ctx) {
620 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
621 ctx->ctxid);
622 for (i = 0; i < AC_NUM; i++) {
623 pos += scnprintf(buf + pos, bufsz - pos,
624 "\tcw_min\tcw_max\taifsn\ttxop\n");
625 pos += scnprintf(buf + pos, bufsz - pos,
626 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
627 ctx->qos_data.def_qos_parm.ac[i].cw_min,
628 ctx->qos_data.def_qos_parm.ac[i].cw_max,
629 ctx->qos_data.def_qos_parm.ac[i].aifsn,
630 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
631 }
632 pos += scnprintf(buf + pos, bufsz - pos, "\n");
633 }
634 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
635 }
636
637 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
638 char __user *user_buf,
639 size_t count, loff_t *ppos)
640 {
641 struct iwl_priv *priv = file->private_data;
642 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
643 struct iwl_tt_restriction *restriction;
644 char buf[100];
645 int pos = 0;
646 const size_t bufsz = sizeof(buf);
647
648 pos += scnprintf(buf + pos, bufsz - pos,
649 "Thermal Throttling Mode: %s\n",
650 tt->advanced_tt ? "Advance" : "Legacy");
651 pos += scnprintf(buf + pos, bufsz - pos,
652 "Thermal Throttling State: %d\n",
653 tt->state);
654 if (tt->advanced_tt) {
655 restriction = tt->restriction + tt->state;
656 pos += scnprintf(buf + pos, bufsz - pos,
657 "Tx mode: %d\n",
658 restriction->tx_stream);
659 pos += scnprintf(buf + pos, bufsz - pos,
660 "Rx mode: %d\n",
661 restriction->rx_stream);
662 pos += scnprintf(buf + pos, bufsz - pos,
663 "HT mode: %d\n",
664 restriction->is_ht);
665 }
666 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
667 }
668
669 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
670 const char __user *user_buf,
671 size_t count, loff_t *ppos)
672 {
673 struct iwl_priv *priv = file->private_data;
674 char buf[8];
675 int buf_size;
676 int ht40;
677
678 memset(buf, 0, sizeof(buf));
679 buf_size = min(count, sizeof(buf) - 1);
680 if (copy_from_user(buf, user_buf, buf_size))
681 return -EFAULT;
682 if (sscanf(buf, "%d", &ht40) != 1)
683 return -EFAULT;
684 if (!iwl_is_any_associated(priv))
685 priv->disable_ht40 = ht40 ? true : false;
686 else {
687 IWL_ERR(priv, "Sta associated with AP - "
688 "Change to 40MHz channel support is not allowed\n");
689 return -EINVAL;
690 }
691
692 return count;
693 }
694
695 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
696 char __user *user_buf,
697 size_t count, loff_t *ppos)
698 {
699 struct iwl_priv *priv = file->private_data;
700 char buf[100];
701 int pos = 0;
702 const size_t bufsz = sizeof(buf);
703
704 pos += scnprintf(buf + pos, bufsz - pos,
705 "11n 40MHz Mode: %s\n",
706 priv->disable_ht40 ? "Disabled" : "Enabled");
707 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
708 }
709
710 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
711 char __user *user_buf,
712 size_t count, loff_t *ppos)
713 {
714 struct iwl_priv *priv = file->private_data;
715 char buf[8];
716 int pos = 0;
717 const size_t bufsz = sizeof(buf);
718
719 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
720 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
721 }
722
723
724 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
725 const char __user *user_buf,
726 size_t count, loff_t *ppos)
727 {
728 struct iwl_priv *priv = file->private_data;
729 char buf[8];
730 int buf_size;
731 int value;
732
733 memset(buf, 0, sizeof(buf));
734 buf_size = min(count, sizeof(buf) - 1);
735 if (copy_from_user(buf, user_buf, buf_size))
736 return -EFAULT;
737
738 if (sscanf(buf, "%d", &value) != 1)
739 return -EINVAL;
740
741 /*
742 * Our users expect 0 to be "CAM", but 0 isn't actually
743 * valid here. However, let's not confuse them and present
744 * IWL_POWER_INDEX_1 as "1", not "0".
745 */
746 if (value == 0)
747 return -EINVAL;
748 else if (value > 0)
749 value -= 1;
750
751 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
752 return -EINVAL;
753
754 if (!iwl_is_ready_rf(priv))
755 return -EAGAIN;
756
757 priv->power_data.debug_sleep_level_override = value;
758
759 mutex_lock(&priv->mutex);
760 iwl_power_update_mode(priv, true);
761 mutex_unlock(&priv->mutex);
762
763 return count;
764 }
765
766 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
767 char __user *user_buf,
768 size_t count, loff_t *ppos)
769 {
770 struct iwl_priv *priv = file->private_data;
771 char buf[10];
772 int pos, value;
773 const size_t bufsz = sizeof(buf);
774
775 /* see the write function */
776 value = priv->power_data.debug_sleep_level_override;
777 if (value >= 0)
778 value += 1;
779
780 pos = scnprintf(buf, bufsz, "%d\n", value);
781 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
782 }
783
784 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
785 char __user *user_buf,
786 size_t count, loff_t *ppos)
787 {
788 struct iwl_priv *priv = file->private_data;
789 char buf[200];
790 int pos = 0, i;
791 const size_t bufsz = sizeof(buf);
792 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
793
794 pos += scnprintf(buf + pos, bufsz - pos,
795 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
796 pos += scnprintf(buf + pos, bufsz - pos,
797 "RX/TX timeout: %d/%d usec\n",
798 le32_to_cpu(cmd->rx_data_timeout),
799 le32_to_cpu(cmd->tx_data_timeout));
800 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
801 pos += scnprintf(buf + pos, bufsz - pos,
802 "sleep_interval[%d]: %d\n", i,
803 le32_to_cpu(cmd->sleep_interval[i]));
804
805 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
806 }
807
808 DEBUGFS_READ_WRITE_FILE_OPS(sram);
809 DEBUGFS_READ_FILE_OPS(wowlan_sram);
810 DEBUGFS_READ_FILE_OPS(nvm);
811 DEBUGFS_READ_FILE_OPS(stations);
812 DEBUGFS_READ_FILE_OPS(channels);
813 DEBUGFS_READ_FILE_OPS(status);
814 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
815 DEBUGFS_READ_FILE_OPS(qos);
816 DEBUGFS_READ_FILE_OPS(thermal_throttling);
817 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
818 DEBUGFS_READ_FILE_OPS(temperature);
819 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
820 DEBUGFS_READ_FILE_OPS(current_sleep_command);
821
822 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
823 char __user *user_buf,
824 size_t count, loff_t *ppos)
825 {
826 struct iwl_priv *priv = file->private_data;
827 int pos = 0, ofs = 0;
828 int cnt = 0, entry;
829
830 char *buf;
831 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
832 (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400;
833 const u8 *ptr;
834 ssize_t ret;
835
836 buf = kzalloc(bufsz, GFP_KERNEL);
837 if (!buf) {
838 IWL_ERR(priv, "Can not allocate buffer\n");
839 return -ENOMEM;
840 }
841 if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) {
842 ptr = priv->tx_traffic;
843 pos += scnprintf(buf + pos, bufsz - pos,
844 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
845 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
846 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
847 entry++, ofs += 16) {
848 pos += scnprintf(buf + pos, bufsz - pos,
849 "0x%.4x ", ofs);
850 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
851 buf + pos, bufsz - pos, 0);
852 pos += strlen(buf + pos);
853 if (bufsz - pos > 0)
854 buf[pos++] = '\n';
855 }
856 }
857 }
858
859 if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) {
860 ptr = priv->rx_traffic;
861 pos += scnprintf(buf + pos, bufsz - pos,
862 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
863 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
864 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
865 entry++, ofs += 16) {
866 pos += scnprintf(buf + pos, bufsz - pos,
867 "0x%.4x ", ofs);
868 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
869 buf + pos, bufsz - pos, 0);
870 pos += strlen(buf + pos);
871 if (bufsz - pos > 0)
872 buf[pos++] = '\n';
873 }
874 }
875 }
876
877 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
878 kfree(buf);
879 return ret;
880 }
881
882 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
883 const char __user *user_buf,
884 size_t count, loff_t *ppos)
885 {
886 struct iwl_priv *priv = file->private_data;
887 char buf[8];
888 int buf_size;
889 int traffic_log;
890
891 memset(buf, 0, sizeof(buf));
892 buf_size = min(count, sizeof(buf) - 1);
893 if (copy_from_user(buf, user_buf, buf_size))
894 return -EFAULT;
895 if (sscanf(buf, "%d", &traffic_log) != 1)
896 return -EFAULT;
897 if (traffic_log == 0)
898 iwl_reset_traffic_log(priv);
899
900 return count;
901 }
902
903 static const char *fmt_value = " %-30s %10u\n";
904 static const char *fmt_hex = " %-30s 0x%02X\n";
905 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
906 static const char *fmt_header =
907 "%-32s current cumulative delta max\n";
908
909 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
910 {
911 int p = 0;
912 u32 flag;
913
914 lockdep_assert_held(&priv->statistics.lock);
915
916 flag = le32_to_cpu(priv->statistics.flag);
917
918 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
919 if (flag & UCODE_STATISTICS_CLEAR_MSK)
920 p += scnprintf(buf + p, bufsz - p,
921 "\tStatistics have been cleared\n");
922 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
923 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
924 ? "2.4 GHz" : "5.2 GHz");
925 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
926 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
927 ? "enabled" : "disabled");
928
929 return p;
930 }
931
932 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
933 char __user *user_buf,
934 size_t count, loff_t *ppos)
935 {
936 struct iwl_priv *priv = file->private_data;
937 int pos = 0;
938 char *buf;
939 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
940 sizeof(struct statistics_rx_non_phy) * 40 +
941 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
942 ssize_t ret;
943 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
944 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
945 struct statistics_rx_non_phy *general, *accum_general;
946 struct statistics_rx_non_phy *delta_general, *max_general;
947 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
948
949 if (!iwl_is_alive(priv))
950 return -EAGAIN;
951
952 buf = kzalloc(bufsz, GFP_KERNEL);
953 if (!buf) {
954 IWL_ERR(priv, "Can not allocate Buffer\n");
955 return -ENOMEM;
956 }
957
958 /*
959 * the statistic information display here is based on
960 * the last statistics notification from uCode
961 * might not reflect the current uCode activity
962 */
963 spin_lock_bh(&priv->statistics.lock);
964 ofdm = &priv->statistics.rx_ofdm;
965 cck = &priv->statistics.rx_cck;
966 general = &priv->statistics.rx_non_phy;
967 ht = &priv->statistics.rx_ofdm_ht;
968 accum_ofdm = &priv->accum_stats.rx_ofdm;
969 accum_cck = &priv->accum_stats.rx_cck;
970 accum_general = &priv->accum_stats.rx_non_phy;
971 accum_ht = &priv->accum_stats.rx_ofdm_ht;
972 delta_ofdm = &priv->delta_stats.rx_ofdm;
973 delta_cck = &priv->delta_stats.rx_cck;
974 delta_general = &priv->delta_stats.rx_non_phy;
975 delta_ht = &priv->delta_stats.rx_ofdm_ht;
976 max_ofdm = &priv->max_delta_stats.rx_ofdm;
977 max_cck = &priv->max_delta_stats.rx_cck;
978 max_general = &priv->max_delta_stats.rx_non_phy;
979 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
980
981 pos += iwl_statistics_flag(priv, buf, bufsz);
982 pos += scnprintf(buf + pos, bufsz - pos,
983 fmt_header, "Statistics_Rx - OFDM:");
984 pos += scnprintf(buf + pos, bufsz - pos,
985 fmt_table, "ina_cnt:",
986 le32_to_cpu(ofdm->ina_cnt),
987 accum_ofdm->ina_cnt,
988 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
989 pos += scnprintf(buf + pos, bufsz - pos,
990 fmt_table, "fina_cnt:",
991 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
992 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
993 pos += scnprintf(buf + pos, bufsz - pos,
994 fmt_table, "plcp_err:",
995 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
996 delta_ofdm->plcp_err, max_ofdm->plcp_err);
997 pos += scnprintf(buf + pos, bufsz - pos,
998 fmt_table, "crc32_err:",
999 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1000 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1001 pos += scnprintf(buf + pos, bufsz - pos,
1002 fmt_table, "overrun_err:",
1003 le32_to_cpu(ofdm->overrun_err),
1004 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1005 max_ofdm->overrun_err);
1006 pos += scnprintf(buf + pos, bufsz - pos,
1007 fmt_table, "early_overrun_err:",
1008 le32_to_cpu(ofdm->early_overrun_err),
1009 accum_ofdm->early_overrun_err,
1010 delta_ofdm->early_overrun_err,
1011 max_ofdm->early_overrun_err);
1012 pos += scnprintf(buf + pos, bufsz - pos,
1013 fmt_table, "crc32_good:",
1014 le32_to_cpu(ofdm->crc32_good),
1015 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1016 max_ofdm->crc32_good);
1017 pos += scnprintf(buf + pos, bufsz - pos,
1018 fmt_table, "false_alarm_cnt:",
1019 le32_to_cpu(ofdm->false_alarm_cnt),
1020 accum_ofdm->false_alarm_cnt,
1021 delta_ofdm->false_alarm_cnt,
1022 max_ofdm->false_alarm_cnt);
1023 pos += scnprintf(buf + pos, bufsz - pos,
1024 fmt_table, "fina_sync_err_cnt:",
1025 le32_to_cpu(ofdm->fina_sync_err_cnt),
1026 accum_ofdm->fina_sync_err_cnt,
1027 delta_ofdm->fina_sync_err_cnt,
1028 max_ofdm->fina_sync_err_cnt);
1029 pos += scnprintf(buf + pos, bufsz - pos,
1030 fmt_table, "sfd_timeout:",
1031 le32_to_cpu(ofdm->sfd_timeout),
1032 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1033 max_ofdm->sfd_timeout);
1034 pos += scnprintf(buf + pos, bufsz - pos,
1035 fmt_table, "fina_timeout:",
1036 le32_to_cpu(ofdm->fina_timeout),
1037 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1038 max_ofdm->fina_timeout);
1039 pos += scnprintf(buf + pos, bufsz - pos,
1040 fmt_table, "unresponded_rts:",
1041 le32_to_cpu(ofdm->unresponded_rts),
1042 accum_ofdm->unresponded_rts,
1043 delta_ofdm->unresponded_rts,
1044 max_ofdm->unresponded_rts);
1045 pos += scnprintf(buf + pos, bufsz - pos,
1046 fmt_table, "rxe_frame_lmt_ovrun:",
1047 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1048 accum_ofdm->rxe_frame_limit_overrun,
1049 delta_ofdm->rxe_frame_limit_overrun,
1050 max_ofdm->rxe_frame_limit_overrun);
1051 pos += scnprintf(buf + pos, bufsz - pos,
1052 fmt_table, "sent_ack_cnt:",
1053 le32_to_cpu(ofdm->sent_ack_cnt),
1054 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1055 max_ofdm->sent_ack_cnt);
1056 pos += scnprintf(buf + pos, bufsz - pos,
1057 fmt_table, "sent_cts_cnt:",
1058 le32_to_cpu(ofdm->sent_cts_cnt),
1059 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1060 max_ofdm->sent_cts_cnt);
1061 pos += scnprintf(buf + pos, bufsz - pos,
1062 fmt_table, "sent_ba_rsp_cnt:",
1063 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1064 accum_ofdm->sent_ba_rsp_cnt,
1065 delta_ofdm->sent_ba_rsp_cnt,
1066 max_ofdm->sent_ba_rsp_cnt);
1067 pos += scnprintf(buf + pos, bufsz - pos,
1068 fmt_table, "dsp_self_kill:",
1069 le32_to_cpu(ofdm->dsp_self_kill),
1070 accum_ofdm->dsp_self_kill,
1071 delta_ofdm->dsp_self_kill,
1072 max_ofdm->dsp_self_kill);
1073 pos += scnprintf(buf + pos, bufsz - pos,
1074 fmt_table, "mh_format_err:",
1075 le32_to_cpu(ofdm->mh_format_err),
1076 accum_ofdm->mh_format_err,
1077 delta_ofdm->mh_format_err,
1078 max_ofdm->mh_format_err);
1079 pos += scnprintf(buf + pos, bufsz - pos,
1080 fmt_table, "re_acq_main_rssi_sum:",
1081 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1082 accum_ofdm->re_acq_main_rssi_sum,
1083 delta_ofdm->re_acq_main_rssi_sum,
1084 max_ofdm->re_acq_main_rssi_sum);
1085
1086 pos += scnprintf(buf + pos, bufsz - pos,
1087 fmt_header, "Statistics_Rx - CCK:");
1088 pos += scnprintf(buf + pos, bufsz - pos,
1089 fmt_table, "ina_cnt:",
1090 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1091 delta_cck->ina_cnt, max_cck->ina_cnt);
1092 pos += scnprintf(buf + pos, bufsz - pos,
1093 fmt_table, "fina_cnt:",
1094 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1095 delta_cck->fina_cnt, max_cck->fina_cnt);
1096 pos += scnprintf(buf + pos, bufsz - pos,
1097 fmt_table, "plcp_err:",
1098 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1099 delta_cck->plcp_err, max_cck->plcp_err);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 fmt_table, "crc32_err:",
1102 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1103 delta_cck->crc32_err, max_cck->crc32_err);
1104 pos += scnprintf(buf + pos, bufsz - pos,
1105 fmt_table, "overrun_err:",
1106 le32_to_cpu(cck->overrun_err),
1107 accum_cck->overrun_err, delta_cck->overrun_err,
1108 max_cck->overrun_err);
1109 pos += scnprintf(buf + pos, bufsz - pos,
1110 fmt_table, "early_overrun_err:",
1111 le32_to_cpu(cck->early_overrun_err),
1112 accum_cck->early_overrun_err,
1113 delta_cck->early_overrun_err,
1114 max_cck->early_overrun_err);
1115 pos += scnprintf(buf + pos, bufsz - pos,
1116 fmt_table, "crc32_good:",
1117 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1118 delta_cck->crc32_good, max_cck->crc32_good);
1119 pos += scnprintf(buf + pos, bufsz - pos,
1120 fmt_table, "false_alarm_cnt:",
1121 le32_to_cpu(cck->false_alarm_cnt),
1122 accum_cck->false_alarm_cnt,
1123 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1124 pos += scnprintf(buf + pos, bufsz - pos,
1125 fmt_table, "fina_sync_err_cnt:",
1126 le32_to_cpu(cck->fina_sync_err_cnt),
1127 accum_cck->fina_sync_err_cnt,
1128 delta_cck->fina_sync_err_cnt,
1129 max_cck->fina_sync_err_cnt);
1130 pos += scnprintf(buf + pos, bufsz - pos,
1131 fmt_table, "sfd_timeout:",
1132 le32_to_cpu(cck->sfd_timeout),
1133 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1134 max_cck->sfd_timeout);
1135 pos += scnprintf(buf + pos, bufsz - pos,
1136 fmt_table, "fina_timeout:",
1137 le32_to_cpu(cck->fina_timeout),
1138 accum_cck->fina_timeout, delta_cck->fina_timeout,
1139 max_cck->fina_timeout);
1140 pos += scnprintf(buf + pos, bufsz - pos,
1141 fmt_table, "unresponded_rts:",
1142 le32_to_cpu(cck->unresponded_rts),
1143 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1144 max_cck->unresponded_rts);
1145 pos += scnprintf(buf + pos, bufsz - pos,
1146 fmt_table, "rxe_frame_lmt_ovrun:",
1147 le32_to_cpu(cck->rxe_frame_limit_overrun),
1148 accum_cck->rxe_frame_limit_overrun,
1149 delta_cck->rxe_frame_limit_overrun,
1150 max_cck->rxe_frame_limit_overrun);
1151 pos += scnprintf(buf + pos, bufsz - pos,
1152 fmt_table, "sent_ack_cnt:",
1153 le32_to_cpu(cck->sent_ack_cnt),
1154 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1155 max_cck->sent_ack_cnt);
1156 pos += scnprintf(buf + pos, bufsz - pos,
1157 fmt_table, "sent_cts_cnt:",
1158 le32_to_cpu(cck->sent_cts_cnt),
1159 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1160 max_cck->sent_cts_cnt);
1161 pos += scnprintf(buf + pos, bufsz - pos,
1162 fmt_table, "sent_ba_rsp_cnt:",
1163 le32_to_cpu(cck->sent_ba_rsp_cnt),
1164 accum_cck->sent_ba_rsp_cnt,
1165 delta_cck->sent_ba_rsp_cnt,
1166 max_cck->sent_ba_rsp_cnt);
1167 pos += scnprintf(buf + pos, bufsz - pos,
1168 fmt_table, "dsp_self_kill:",
1169 le32_to_cpu(cck->dsp_self_kill),
1170 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1171 max_cck->dsp_self_kill);
1172 pos += scnprintf(buf + pos, bufsz - pos,
1173 fmt_table, "mh_format_err:",
1174 le32_to_cpu(cck->mh_format_err),
1175 accum_cck->mh_format_err, delta_cck->mh_format_err,
1176 max_cck->mh_format_err);
1177 pos += scnprintf(buf + pos, bufsz - pos,
1178 fmt_table, "re_acq_main_rssi_sum:",
1179 le32_to_cpu(cck->re_acq_main_rssi_sum),
1180 accum_cck->re_acq_main_rssi_sum,
1181 delta_cck->re_acq_main_rssi_sum,
1182 max_cck->re_acq_main_rssi_sum);
1183
1184 pos += scnprintf(buf + pos, bufsz - pos,
1185 fmt_header, "Statistics_Rx - GENERAL:");
1186 pos += scnprintf(buf + pos, bufsz - pos,
1187 fmt_table, "bogus_cts:",
1188 le32_to_cpu(general->bogus_cts),
1189 accum_general->bogus_cts, delta_general->bogus_cts,
1190 max_general->bogus_cts);
1191 pos += scnprintf(buf + pos, bufsz - pos,
1192 fmt_table, "bogus_ack:",
1193 le32_to_cpu(general->bogus_ack),
1194 accum_general->bogus_ack, delta_general->bogus_ack,
1195 max_general->bogus_ack);
1196 pos += scnprintf(buf + pos, bufsz - pos,
1197 fmt_table, "non_bssid_frames:",
1198 le32_to_cpu(general->non_bssid_frames),
1199 accum_general->non_bssid_frames,
1200 delta_general->non_bssid_frames,
1201 max_general->non_bssid_frames);
1202 pos += scnprintf(buf + pos, bufsz - pos,
1203 fmt_table, "filtered_frames:",
1204 le32_to_cpu(general->filtered_frames),
1205 accum_general->filtered_frames,
1206 delta_general->filtered_frames,
1207 max_general->filtered_frames);
1208 pos += scnprintf(buf + pos, bufsz - pos,
1209 fmt_table, "non_channel_beacons:",
1210 le32_to_cpu(general->non_channel_beacons),
1211 accum_general->non_channel_beacons,
1212 delta_general->non_channel_beacons,
1213 max_general->non_channel_beacons);
1214 pos += scnprintf(buf + pos, bufsz - pos,
1215 fmt_table, "channel_beacons:",
1216 le32_to_cpu(general->channel_beacons),
1217 accum_general->channel_beacons,
1218 delta_general->channel_beacons,
1219 max_general->channel_beacons);
1220 pos += scnprintf(buf + pos, bufsz - pos,
1221 fmt_table, "num_missed_bcon:",
1222 le32_to_cpu(general->num_missed_bcon),
1223 accum_general->num_missed_bcon,
1224 delta_general->num_missed_bcon,
1225 max_general->num_missed_bcon);
1226 pos += scnprintf(buf + pos, bufsz - pos,
1227 fmt_table, "adc_rx_saturation_time:",
1228 le32_to_cpu(general->adc_rx_saturation_time),
1229 accum_general->adc_rx_saturation_time,
1230 delta_general->adc_rx_saturation_time,
1231 max_general->adc_rx_saturation_time);
1232 pos += scnprintf(buf + pos, bufsz - pos,
1233 fmt_table, "ina_detect_search_tm:",
1234 le32_to_cpu(general->ina_detection_search_time),
1235 accum_general->ina_detection_search_time,
1236 delta_general->ina_detection_search_time,
1237 max_general->ina_detection_search_time);
1238 pos += scnprintf(buf + pos, bufsz - pos,
1239 fmt_table, "beacon_silence_rssi_a:",
1240 le32_to_cpu(general->beacon_silence_rssi_a),
1241 accum_general->beacon_silence_rssi_a,
1242 delta_general->beacon_silence_rssi_a,
1243 max_general->beacon_silence_rssi_a);
1244 pos += scnprintf(buf + pos, bufsz - pos,
1245 fmt_table, "beacon_silence_rssi_b:",
1246 le32_to_cpu(general->beacon_silence_rssi_b),
1247 accum_general->beacon_silence_rssi_b,
1248 delta_general->beacon_silence_rssi_b,
1249 max_general->beacon_silence_rssi_b);
1250 pos += scnprintf(buf + pos, bufsz - pos,
1251 fmt_table, "beacon_silence_rssi_c:",
1252 le32_to_cpu(general->beacon_silence_rssi_c),
1253 accum_general->beacon_silence_rssi_c,
1254 delta_general->beacon_silence_rssi_c,
1255 max_general->beacon_silence_rssi_c);
1256 pos += scnprintf(buf + pos, bufsz - pos,
1257 fmt_table, "interference_data_flag:",
1258 le32_to_cpu(general->interference_data_flag),
1259 accum_general->interference_data_flag,
1260 delta_general->interference_data_flag,
1261 max_general->interference_data_flag);
1262 pos += scnprintf(buf + pos, bufsz - pos,
1263 fmt_table, "channel_load:",
1264 le32_to_cpu(general->channel_load),
1265 accum_general->channel_load,
1266 delta_general->channel_load,
1267 max_general->channel_load);
1268 pos += scnprintf(buf + pos, bufsz - pos,
1269 fmt_table, "dsp_false_alarms:",
1270 le32_to_cpu(general->dsp_false_alarms),
1271 accum_general->dsp_false_alarms,
1272 delta_general->dsp_false_alarms,
1273 max_general->dsp_false_alarms);
1274 pos += scnprintf(buf + pos, bufsz - pos,
1275 fmt_table, "beacon_rssi_a:",
1276 le32_to_cpu(general->beacon_rssi_a),
1277 accum_general->beacon_rssi_a,
1278 delta_general->beacon_rssi_a,
1279 max_general->beacon_rssi_a);
1280 pos += scnprintf(buf + pos, bufsz - pos,
1281 fmt_table, "beacon_rssi_b:",
1282 le32_to_cpu(general->beacon_rssi_b),
1283 accum_general->beacon_rssi_b,
1284 delta_general->beacon_rssi_b,
1285 max_general->beacon_rssi_b);
1286 pos += scnprintf(buf + pos, bufsz - pos,
1287 fmt_table, "beacon_rssi_c:",
1288 le32_to_cpu(general->beacon_rssi_c),
1289 accum_general->beacon_rssi_c,
1290 delta_general->beacon_rssi_c,
1291 max_general->beacon_rssi_c);
1292 pos += scnprintf(buf + pos, bufsz - pos,
1293 fmt_table, "beacon_energy_a:",
1294 le32_to_cpu(general->beacon_energy_a),
1295 accum_general->beacon_energy_a,
1296 delta_general->beacon_energy_a,
1297 max_general->beacon_energy_a);
1298 pos += scnprintf(buf + pos, bufsz - pos,
1299 fmt_table, "beacon_energy_b:",
1300 le32_to_cpu(general->beacon_energy_b),
1301 accum_general->beacon_energy_b,
1302 delta_general->beacon_energy_b,
1303 max_general->beacon_energy_b);
1304 pos += scnprintf(buf + pos, bufsz - pos,
1305 fmt_table, "beacon_energy_c:",
1306 le32_to_cpu(general->beacon_energy_c),
1307 accum_general->beacon_energy_c,
1308 delta_general->beacon_energy_c,
1309 max_general->beacon_energy_c);
1310
1311 pos += scnprintf(buf + pos, bufsz - pos,
1312 fmt_header, "Statistics_Rx - OFDM_HT:");
1313 pos += scnprintf(buf + pos, bufsz - pos,
1314 fmt_table, "plcp_err:",
1315 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1316 delta_ht->plcp_err, max_ht->plcp_err);
1317 pos += scnprintf(buf + pos, bufsz - pos,
1318 fmt_table, "overrun_err:",
1319 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1320 delta_ht->overrun_err, max_ht->overrun_err);
1321 pos += scnprintf(buf + pos, bufsz - pos,
1322 fmt_table, "early_overrun_err:",
1323 le32_to_cpu(ht->early_overrun_err),
1324 accum_ht->early_overrun_err,
1325 delta_ht->early_overrun_err,
1326 max_ht->early_overrun_err);
1327 pos += scnprintf(buf + pos, bufsz - pos,
1328 fmt_table, "crc32_good:",
1329 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1330 delta_ht->crc32_good, max_ht->crc32_good);
1331 pos += scnprintf(buf + pos, bufsz - pos,
1332 fmt_table, "crc32_err:",
1333 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1334 delta_ht->crc32_err, max_ht->crc32_err);
1335 pos += scnprintf(buf + pos, bufsz - pos,
1336 fmt_table, "mh_format_err:",
1337 le32_to_cpu(ht->mh_format_err),
1338 accum_ht->mh_format_err,
1339 delta_ht->mh_format_err, max_ht->mh_format_err);
1340 pos += scnprintf(buf + pos, bufsz - pos,
1341 fmt_table, "agg_crc32_good:",
1342 le32_to_cpu(ht->agg_crc32_good),
1343 accum_ht->agg_crc32_good,
1344 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1345 pos += scnprintf(buf + pos, bufsz - pos,
1346 fmt_table, "agg_mpdu_cnt:",
1347 le32_to_cpu(ht->agg_mpdu_cnt),
1348 accum_ht->agg_mpdu_cnt,
1349 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1350 pos += scnprintf(buf + pos, bufsz - pos,
1351 fmt_table, "agg_cnt:",
1352 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1353 delta_ht->agg_cnt, max_ht->agg_cnt);
1354 pos += scnprintf(buf + pos, bufsz - pos,
1355 fmt_table, "unsupport_mcs:",
1356 le32_to_cpu(ht->unsupport_mcs),
1357 accum_ht->unsupport_mcs,
1358 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1359
1360 spin_unlock_bh(&priv->statistics.lock);
1361
1362 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1363 kfree(buf);
1364 return ret;
1365 }
1366
1367 static ssize_t iwl_dbgfs_ucode_tx_stats_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;
1374 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1375 ssize_t ret;
1376 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1377
1378 if (!iwl_is_alive(priv))
1379 return -EAGAIN;
1380
1381 buf = kzalloc(bufsz, GFP_KERNEL);
1382 if (!buf) {
1383 IWL_ERR(priv, "Can not allocate Buffer\n");
1384 return -ENOMEM;
1385 }
1386
1387 /* the statistic information display here is based on
1388 * the last statistics notification from uCode
1389 * might not reflect the current uCode activity
1390 */
1391 spin_lock_bh(&priv->statistics.lock);
1392
1393 tx = &priv->statistics.tx;
1394 accum_tx = &priv->accum_stats.tx;
1395 delta_tx = &priv->delta_stats.tx;
1396 max_tx = &priv->max_delta_stats.tx;
1397
1398 pos += iwl_statistics_flag(priv, buf, bufsz);
1399 pos += scnprintf(buf + pos, bufsz - pos,
1400 fmt_header, "Statistics_Tx:");
1401 pos += scnprintf(buf + pos, bufsz - pos,
1402 fmt_table, "preamble:",
1403 le32_to_cpu(tx->preamble_cnt),
1404 accum_tx->preamble_cnt,
1405 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1406 pos += scnprintf(buf + pos, bufsz - pos,
1407 fmt_table, "rx_detected_cnt:",
1408 le32_to_cpu(tx->rx_detected_cnt),
1409 accum_tx->rx_detected_cnt,
1410 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1411 pos += scnprintf(buf + pos, bufsz - pos,
1412 fmt_table, "bt_prio_defer_cnt:",
1413 le32_to_cpu(tx->bt_prio_defer_cnt),
1414 accum_tx->bt_prio_defer_cnt,
1415 delta_tx->bt_prio_defer_cnt,
1416 max_tx->bt_prio_defer_cnt);
1417 pos += scnprintf(buf + pos, bufsz - pos,
1418 fmt_table, "bt_prio_kill_cnt:",
1419 le32_to_cpu(tx->bt_prio_kill_cnt),
1420 accum_tx->bt_prio_kill_cnt,
1421 delta_tx->bt_prio_kill_cnt,
1422 max_tx->bt_prio_kill_cnt);
1423 pos += scnprintf(buf + pos, bufsz - pos,
1424 fmt_table, "few_bytes_cnt:",
1425 le32_to_cpu(tx->few_bytes_cnt),
1426 accum_tx->few_bytes_cnt,
1427 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1428 pos += scnprintf(buf + pos, bufsz - pos,
1429 fmt_table, "cts_timeout:",
1430 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1431 delta_tx->cts_timeout, max_tx->cts_timeout);
1432 pos += scnprintf(buf + pos, bufsz - pos,
1433 fmt_table, "ack_timeout:",
1434 le32_to_cpu(tx->ack_timeout),
1435 accum_tx->ack_timeout,
1436 delta_tx->ack_timeout, max_tx->ack_timeout);
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 fmt_table, "expected_ack_cnt:",
1439 le32_to_cpu(tx->expected_ack_cnt),
1440 accum_tx->expected_ack_cnt,
1441 delta_tx->expected_ack_cnt,
1442 max_tx->expected_ack_cnt);
1443 pos += scnprintf(buf + pos, bufsz - pos,
1444 fmt_table, "actual_ack_cnt:",
1445 le32_to_cpu(tx->actual_ack_cnt),
1446 accum_tx->actual_ack_cnt,
1447 delta_tx->actual_ack_cnt,
1448 max_tx->actual_ack_cnt);
1449 pos += scnprintf(buf + pos, bufsz - pos,
1450 fmt_table, "dump_msdu_cnt:",
1451 le32_to_cpu(tx->dump_msdu_cnt),
1452 accum_tx->dump_msdu_cnt,
1453 delta_tx->dump_msdu_cnt,
1454 max_tx->dump_msdu_cnt);
1455 pos += scnprintf(buf + pos, bufsz - pos,
1456 fmt_table, "abort_nxt_frame_mismatch:",
1457 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1458 accum_tx->burst_abort_next_frame_mismatch_cnt,
1459 delta_tx->burst_abort_next_frame_mismatch_cnt,
1460 max_tx->burst_abort_next_frame_mismatch_cnt);
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 fmt_table, "abort_missing_nxt_frame:",
1463 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1464 accum_tx->burst_abort_missing_next_frame_cnt,
1465 delta_tx->burst_abort_missing_next_frame_cnt,
1466 max_tx->burst_abort_missing_next_frame_cnt);
1467 pos += scnprintf(buf + pos, bufsz - pos,
1468 fmt_table, "cts_timeout_collision:",
1469 le32_to_cpu(tx->cts_timeout_collision),
1470 accum_tx->cts_timeout_collision,
1471 delta_tx->cts_timeout_collision,
1472 max_tx->cts_timeout_collision);
1473 pos += scnprintf(buf + pos, bufsz - pos,
1474 fmt_table, "ack_ba_timeout_collision:",
1475 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1476 accum_tx->ack_or_ba_timeout_collision,
1477 delta_tx->ack_or_ba_timeout_collision,
1478 max_tx->ack_or_ba_timeout_collision);
1479 pos += scnprintf(buf + pos, bufsz - pos,
1480 fmt_table, "agg ba_timeout:",
1481 le32_to_cpu(tx->agg.ba_timeout),
1482 accum_tx->agg.ba_timeout,
1483 delta_tx->agg.ba_timeout,
1484 max_tx->agg.ba_timeout);
1485 pos += scnprintf(buf + pos, bufsz - pos,
1486 fmt_table, "agg ba_resched_frames:",
1487 le32_to_cpu(tx->agg.ba_reschedule_frames),
1488 accum_tx->agg.ba_reschedule_frames,
1489 delta_tx->agg.ba_reschedule_frames,
1490 max_tx->agg.ba_reschedule_frames);
1491 pos += scnprintf(buf + pos, bufsz - pos,
1492 fmt_table, "agg scd_query_agg_frame:",
1493 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1494 accum_tx->agg.scd_query_agg_frame_cnt,
1495 delta_tx->agg.scd_query_agg_frame_cnt,
1496 max_tx->agg.scd_query_agg_frame_cnt);
1497 pos += scnprintf(buf + pos, bufsz - pos,
1498 fmt_table, "agg scd_query_no_agg:",
1499 le32_to_cpu(tx->agg.scd_query_no_agg),
1500 accum_tx->agg.scd_query_no_agg,
1501 delta_tx->agg.scd_query_no_agg,
1502 max_tx->agg.scd_query_no_agg);
1503 pos += scnprintf(buf + pos, bufsz - pos,
1504 fmt_table, "agg scd_query_agg:",
1505 le32_to_cpu(tx->agg.scd_query_agg),
1506 accum_tx->agg.scd_query_agg,
1507 delta_tx->agg.scd_query_agg,
1508 max_tx->agg.scd_query_agg);
1509 pos += scnprintf(buf + pos, bufsz - pos,
1510 fmt_table, "agg scd_query_mismatch:",
1511 le32_to_cpu(tx->agg.scd_query_mismatch),
1512 accum_tx->agg.scd_query_mismatch,
1513 delta_tx->agg.scd_query_mismatch,
1514 max_tx->agg.scd_query_mismatch);
1515 pos += scnprintf(buf + pos, bufsz - pos,
1516 fmt_table, "agg frame_not_ready:",
1517 le32_to_cpu(tx->agg.frame_not_ready),
1518 accum_tx->agg.frame_not_ready,
1519 delta_tx->agg.frame_not_ready,
1520 max_tx->agg.frame_not_ready);
1521 pos += scnprintf(buf + pos, bufsz - pos,
1522 fmt_table, "agg underrun:",
1523 le32_to_cpu(tx->agg.underrun),
1524 accum_tx->agg.underrun,
1525 delta_tx->agg.underrun, max_tx->agg.underrun);
1526 pos += scnprintf(buf + pos, bufsz - pos,
1527 fmt_table, "agg bt_prio_kill:",
1528 le32_to_cpu(tx->agg.bt_prio_kill),
1529 accum_tx->agg.bt_prio_kill,
1530 delta_tx->agg.bt_prio_kill,
1531 max_tx->agg.bt_prio_kill);
1532 pos += scnprintf(buf + pos, bufsz - pos,
1533 fmt_table, "agg rx_ba_rsp_cnt:",
1534 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1535 accum_tx->agg.rx_ba_rsp_cnt,
1536 delta_tx->agg.rx_ba_rsp_cnt,
1537 max_tx->agg.rx_ba_rsp_cnt);
1538
1539 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1540 pos += scnprintf(buf + pos, bufsz - pos,
1541 "tx power: (1/2 dB step)\n");
1542 if ((priv->hw_params.valid_tx_ant & ANT_A) &&
1543 tx->tx_power.ant_a)
1544 pos += scnprintf(buf + pos, bufsz - pos,
1545 fmt_hex, "antenna A:",
1546 tx->tx_power.ant_a);
1547 if ((priv->hw_params.valid_tx_ant & ANT_B) &&
1548 tx->tx_power.ant_b)
1549 pos += scnprintf(buf + pos, bufsz - pos,
1550 fmt_hex, "antenna B:",
1551 tx->tx_power.ant_b);
1552 if ((priv->hw_params.valid_tx_ant & ANT_C) &&
1553 tx->tx_power.ant_c)
1554 pos += scnprintf(buf + pos, bufsz - pos,
1555 fmt_hex, "antenna C:",
1556 tx->tx_power.ant_c);
1557 }
1558
1559 spin_unlock_bh(&priv->statistics.lock);
1560
1561 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1562 kfree(buf);
1563 return ret;
1564 }
1565
1566 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1567 char __user *user_buf,
1568 size_t count, loff_t *ppos)
1569 {
1570 struct iwl_priv *priv = file->private_data;
1571 int pos = 0;
1572 char *buf;
1573 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1574 ssize_t ret;
1575 struct statistics_general_common *general, *accum_general;
1576 struct statistics_general_common *delta_general, *max_general;
1577 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1578 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1579
1580 if (!iwl_is_alive(priv))
1581 return -EAGAIN;
1582
1583 buf = kzalloc(bufsz, GFP_KERNEL);
1584 if (!buf) {
1585 IWL_ERR(priv, "Can not allocate Buffer\n");
1586 return -ENOMEM;
1587 }
1588
1589 /* the statistic information display here is based on
1590 * the last statistics notification from uCode
1591 * might not reflect the current uCode activity
1592 */
1593
1594 spin_lock_bh(&priv->statistics.lock);
1595
1596 general = &priv->statistics.common;
1597 dbg = &priv->statistics.common.dbg;
1598 div = &priv->statistics.common.div;
1599 accum_general = &priv->accum_stats.common;
1600 accum_dbg = &priv->accum_stats.common.dbg;
1601 accum_div = &priv->accum_stats.common.div;
1602 delta_general = &priv->delta_stats.common;
1603 max_general = &priv->max_delta_stats.common;
1604 delta_dbg = &priv->delta_stats.common.dbg;
1605 max_dbg = &priv->max_delta_stats.common.dbg;
1606 delta_div = &priv->delta_stats.common.div;
1607 max_div = &priv->max_delta_stats.common.div;
1608
1609 pos += iwl_statistics_flag(priv, buf, bufsz);
1610 pos += scnprintf(buf + pos, bufsz - pos,
1611 fmt_header, "Statistics_General:");
1612 pos += scnprintf(buf + pos, bufsz - pos,
1613 fmt_value, "temperature:",
1614 le32_to_cpu(general->temperature));
1615 pos += scnprintf(buf + pos, bufsz - pos,
1616 fmt_value, "temperature_m:",
1617 le32_to_cpu(general->temperature_m));
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 fmt_value, "ttl_timestamp:",
1620 le32_to_cpu(general->ttl_timestamp));
1621 pos += scnprintf(buf + pos, bufsz - pos,
1622 fmt_table, "burst_check:",
1623 le32_to_cpu(dbg->burst_check),
1624 accum_dbg->burst_check,
1625 delta_dbg->burst_check, max_dbg->burst_check);
1626 pos += scnprintf(buf + pos, bufsz - pos,
1627 fmt_table, "burst_count:",
1628 le32_to_cpu(dbg->burst_count),
1629 accum_dbg->burst_count,
1630 delta_dbg->burst_count, max_dbg->burst_count);
1631 pos += scnprintf(buf + pos, bufsz - pos,
1632 fmt_table, "wait_for_silence_timeout_count:",
1633 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1634 accum_dbg->wait_for_silence_timeout_cnt,
1635 delta_dbg->wait_for_silence_timeout_cnt,
1636 max_dbg->wait_for_silence_timeout_cnt);
1637 pos += scnprintf(buf + pos, bufsz - pos,
1638 fmt_table, "sleep_time:",
1639 le32_to_cpu(general->sleep_time),
1640 accum_general->sleep_time,
1641 delta_general->sleep_time, max_general->sleep_time);
1642 pos += scnprintf(buf + pos, bufsz - pos,
1643 fmt_table, "slots_out:",
1644 le32_to_cpu(general->slots_out),
1645 accum_general->slots_out,
1646 delta_general->slots_out, max_general->slots_out);
1647 pos += scnprintf(buf + pos, bufsz - pos,
1648 fmt_table, "slots_idle:",
1649 le32_to_cpu(general->slots_idle),
1650 accum_general->slots_idle,
1651 delta_general->slots_idle, max_general->slots_idle);
1652 pos += scnprintf(buf + pos, bufsz - pos,
1653 fmt_table, "tx_on_a:",
1654 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1655 delta_div->tx_on_a, max_div->tx_on_a);
1656 pos += scnprintf(buf + pos, bufsz - pos,
1657 fmt_table, "tx_on_b:",
1658 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1659 delta_div->tx_on_b, max_div->tx_on_b);
1660 pos += scnprintf(buf + pos, bufsz - pos,
1661 fmt_table, "exec_time:",
1662 le32_to_cpu(div->exec_time), accum_div->exec_time,
1663 delta_div->exec_time, max_div->exec_time);
1664 pos += scnprintf(buf + pos, bufsz - pos,
1665 fmt_table, "probe_time:",
1666 le32_to_cpu(div->probe_time), accum_div->probe_time,
1667 delta_div->probe_time, max_div->probe_time);
1668 pos += scnprintf(buf + pos, bufsz - pos,
1669 fmt_table, "rx_enable_counter:",
1670 le32_to_cpu(general->rx_enable_counter),
1671 accum_general->rx_enable_counter,
1672 delta_general->rx_enable_counter,
1673 max_general->rx_enable_counter);
1674 pos += scnprintf(buf + pos, bufsz - pos,
1675 fmt_table, "num_of_sos_states:",
1676 le32_to_cpu(general->num_of_sos_states),
1677 accum_general->num_of_sos_states,
1678 delta_general->num_of_sos_states,
1679 max_general->num_of_sos_states);
1680
1681 spin_unlock_bh(&priv->statistics.lock);
1682
1683 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1684 kfree(buf);
1685 return ret;
1686 }
1687
1688 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1689 char __user *user_buf,
1690 size_t count, loff_t *ppos)
1691 {
1692 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1693 int pos = 0;
1694 char *buf;
1695 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1696 ssize_t ret;
1697 struct statistics_bt_activity *bt, *accum_bt;
1698
1699 if (!iwl_is_alive(priv))
1700 return -EAGAIN;
1701
1702 if (!priv->bt_enable_flag)
1703 return -EINVAL;
1704
1705 /* make request to uCode to retrieve statistics information */
1706 mutex_lock(&priv->mutex);
1707 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1708 mutex_unlock(&priv->mutex);
1709
1710 if (ret) {
1711 IWL_ERR(priv,
1712 "Error sending statistics request: %zd\n", ret);
1713 return -EAGAIN;
1714 }
1715 buf = kzalloc(bufsz, GFP_KERNEL);
1716 if (!buf) {
1717 IWL_ERR(priv, "Can not allocate Buffer\n");
1718 return -ENOMEM;
1719 }
1720
1721 /*
1722 * the statistic information display here is based on
1723 * the last statistics notification from uCode
1724 * might not reflect the current uCode activity
1725 */
1726
1727 spin_lock_bh(&priv->statistics.lock);
1728
1729 bt = &priv->statistics.bt_activity;
1730 accum_bt = &priv->accum_stats.bt_activity;
1731
1732 pos += iwl_statistics_flag(priv, buf, bufsz);
1733 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1734 pos += scnprintf(buf + pos, bufsz - pos,
1735 "\t\t\tcurrent\t\t\taccumulative\n");
1736 pos += scnprintf(buf + pos, bufsz - pos,
1737 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1738 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1739 accum_bt->hi_priority_tx_req_cnt);
1740 pos += scnprintf(buf + pos, bufsz - pos,
1741 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1742 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1743 accum_bt->hi_priority_tx_denied_cnt);
1744 pos += scnprintf(buf + pos, bufsz - pos,
1745 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1746 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1747 accum_bt->lo_priority_tx_req_cnt);
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1750 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1751 accum_bt->lo_priority_tx_denied_cnt);
1752 pos += scnprintf(buf + pos, bufsz - pos,
1753 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1754 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1755 accum_bt->hi_priority_rx_req_cnt);
1756 pos += scnprintf(buf + pos, bufsz - pos,
1757 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1758 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1759 accum_bt->hi_priority_rx_denied_cnt);
1760 pos += scnprintf(buf + pos, bufsz - pos,
1761 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1762 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1763 accum_bt->lo_priority_rx_req_cnt);
1764 pos += scnprintf(buf + pos, bufsz - pos,
1765 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1766 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1767 accum_bt->lo_priority_rx_denied_cnt);
1768
1769 pos += scnprintf(buf + pos, bufsz - pos,
1770 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1771 le32_to_cpu(priv->statistics.num_bt_kills),
1772 priv->statistics.accum_num_bt_kills);
1773
1774 spin_unlock_bh(&priv->statistics.lock);
1775
1776 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1777 kfree(buf);
1778 return ret;
1779 }
1780
1781 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1782 char __user *user_buf,
1783 size_t count, loff_t *ppos)
1784 {
1785 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1786 int pos = 0;
1787 char *buf;
1788 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1789 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1790 ssize_t ret;
1791
1792 if (!iwl_is_alive(priv))
1793 return -EAGAIN;
1794
1795 buf = kzalloc(bufsz, GFP_KERNEL);
1796 if (!buf) {
1797 IWL_ERR(priv, "Can not allocate Buffer\n");
1798 return -ENOMEM;
1799 }
1800
1801 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1802 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1803 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1804 priv->reply_tx_stats.pp_delay);
1805 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1806 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1807 priv->reply_tx_stats.pp_few_bytes);
1808 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1809 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1810 priv->reply_tx_stats.pp_bt_prio);
1811 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1812 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1813 priv->reply_tx_stats.pp_quiet_period);
1814 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1815 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1816 priv->reply_tx_stats.pp_calc_ttak);
1817 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1818 iwl_get_tx_fail_reason(
1819 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1820 priv->reply_tx_stats.int_crossed_retry);
1821 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1822 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1823 priv->reply_tx_stats.short_limit);
1824 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1825 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1826 priv->reply_tx_stats.long_limit);
1827 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1828 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1829 priv->reply_tx_stats.fifo_underrun);
1830 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1831 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1832 priv->reply_tx_stats.drain_flow);
1833 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1834 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1835 priv->reply_tx_stats.rfkill_flush);
1836 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1837 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1838 priv->reply_tx_stats.life_expire);
1839 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1840 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1841 priv->reply_tx_stats.dest_ps);
1842 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1843 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1844 priv->reply_tx_stats.host_abort);
1845 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1846 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1847 priv->reply_tx_stats.pp_delay);
1848 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1849 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1850 priv->reply_tx_stats.sta_invalid);
1851 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1852 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1853 priv->reply_tx_stats.frag_drop);
1854 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1855 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1856 priv->reply_tx_stats.tid_disable);
1857 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1858 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1859 priv->reply_tx_stats.fifo_flush);
1860 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1861 iwl_get_tx_fail_reason(
1862 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1863 priv->reply_tx_stats.insuff_cf_poll);
1864 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1865 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1866 priv->reply_tx_stats.fail_hw_drop);
1867 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1868 iwl_get_tx_fail_reason(
1869 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1870 priv->reply_tx_stats.sta_color_mismatch);
1871 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1872 priv->reply_tx_stats.unknown);
1873
1874 pos += scnprintf(buf + pos, bufsz - pos,
1875 "\nStatistics_Agg_TX_Error:\n");
1876
1877 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1878 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1879 priv->reply_agg_tx_stats.underrun);
1880 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1881 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1882 priv->reply_agg_tx_stats.bt_prio);
1883 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1884 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1885 priv->reply_agg_tx_stats.few_bytes);
1886 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1887 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1888 priv->reply_agg_tx_stats.abort);
1889 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1890 iwl_get_agg_tx_fail_reason(
1891 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1892 priv->reply_agg_tx_stats.last_sent_ttl);
1893 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1894 iwl_get_agg_tx_fail_reason(
1895 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1896 priv->reply_agg_tx_stats.last_sent_try);
1897 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1898 iwl_get_agg_tx_fail_reason(
1899 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1900 priv->reply_agg_tx_stats.last_sent_bt_kill);
1901 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1902 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1903 priv->reply_agg_tx_stats.scd_query);
1904 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1905 iwl_get_agg_tx_fail_reason(
1906 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1907 priv->reply_agg_tx_stats.bad_crc32);
1908 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1909 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1910 priv->reply_agg_tx_stats.response);
1911 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1912 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1913 priv->reply_agg_tx_stats.dump_tx);
1914 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1915 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1916 priv->reply_agg_tx_stats.delay_tx);
1917 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1918 priv->reply_agg_tx_stats.unknown);
1919
1920 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1921 kfree(buf);
1922 return ret;
1923 }
1924
1925 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1926 char __user *user_buf,
1927 size_t count, loff_t *ppos) {
1928
1929 struct iwl_priv *priv = file->private_data;
1930 int pos = 0;
1931 int cnt = 0;
1932 char *buf;
1933 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1934 ssize_t ret;
1935 struct iwl_sensitivity_data *data;
1936
1937 data = &priv->sensitivity_data;
1938 buf = kzalloc(bufsz, GFP_KERNEL);
1939 if (!buf) {
1940 IWL_ERR(priv, "Can not allocate Buffer\n");
1941 return -ENOMEM;
1942 }
1943
1944 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1945 data->auto_corr_ofdm);
1946 pos += scnprintf(buf + pos, bufsz - pos,
1947 "auto_corr_ofdm_mrc:\t\t %u\n",
1948 data->auto_corr_ofdm_mrc);
1949 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1950 data->auto_corr_ofdm_x1);
1951 pos += scnprintf(buf + pos, bufsz - pos,
1952 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1953 data->auto_corr_ofdm_mrc_x1);
1954 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1955 data->auto_corr_cck);
1956 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1957 data->auto_corr_cck_mrc);
1958 pos += scnprintf(buf + pos, bufsz - pos,
1959 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1960 data->last_bad_plcp_cnt_ofdm);
1961 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1962 data->last_fa_cnt_ofdm);
1963 pos += scnprintf(buf + pos, bufsz - pos,
1964 "last_bad_plcp_cnt_cck:\t\t %u\n",
1965 data->last_bad_plcp_cnt_cck);
1966 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1967 data->last_fa_cnt_cck);
1968 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1969 data->nrg_curr_state);
1970 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1971 data->nrg_prev_state);
1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1973 for (cnt = 0; cnt < 10; cnt++) {
1974 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1975 data->nrg_value[cnt]);
1976 }
1977 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1978 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1979 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1980 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1981 data->nrg_silence_rssi[cnt]);
1982 }
1983 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1984 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1985 data->nrg_silence_ref);
1986 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1987 data->nrg_energy_idx);
1988 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1989 data->nrg_silence_idx);
1990 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1991 data->nrg_th_cck);
1992 pos += scnprintf(buf + pos, bufsz - pos,
1993 "nrg_auto_corr_silence_diff:\t %u\n",
1994 data->nrg_auto_corr_silence_diff);
1995 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1996 data->num_in_cck_no_fa);
1997 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1998 data->nrg_th_ofdm);
1999
2000 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2001 kfree(buf);
2002 return ret;
2003 }
2004
2005
2006 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2007 char __user *user_buf,
2008 size_t count, loff_t *ppos) {
2009
2010 struct iwl_priv *priv = file->private_data;
2011 int pos = 0;
2012 int cnt = 0;
2013 char *buf;
2014 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2015 ssize_t ret;
2016 struct iwl_chain_noise_data *data;
2017
2018 data = &priv->chain_noise_data;
2019 buf = kzalloc(bufsz, GFP_KERNEL);
2020 if (!buf) {
2021 IWL_ERR(priv, "Can not allocate Buffer\n");
2022 return -ENOMEM;
2023 }
2024
2025 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2026 data->active_chains);
2027 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2028 data->chain_noise_a);
2029 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2030 data->chain_noise_b);
2031 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2032 data->chain_noise_c);
2033 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2034 data->chain_signal_a);
2035 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2036 data->chain_signal_b);
2037 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2038 data->chain_signal_c);
2039 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2040 data->beacon_count);
2041
2042 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2043 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2044 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2045 data->disconn_array[cnt]);
2046 }
2047 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2048 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2049 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2050 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2051 data->delta_gain_code[cnt]);
2052 }
2053 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2054 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2055 data->radio_write);
2056 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2057 data->state);
2058
2059 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2060 kfree(buf);
2061 return ret;
2062 }
2063
2064 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2065 char __user *user_buf,
2066 size_t count, loff_t *ppos)
2067 {
2068 struct iwl_priv *priv = file->private_data;
2069 char buf[60];
2070 int pos = 0;
2071 const size_t bufsz = sizeof(buf);
2072 u32 pwrsave_status;
2073
2074 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) &
2075 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2076
2077 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2078 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2079 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2080 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2081 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2082 "error");
2083
2084 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2085 }
2086
2087 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2088 const char __user *user_buf,
2089 size_t count, loff_t *ppos)
2090 {
2091 struct iwl_priv *priv = file->private_data;
2092 char buf[8];
2093 int buf_size;
2094 int clear;
2095
2096 memset(buf, 0, sizeof(buf));
2097 buf_size = min(count, sizeof(buf) - 1);
2098 if (copy_from_user(buf, user_buf, buf_size))
2099 return -EFAULT;
2100 if (sscanf(buf, "%d", &clear) != 1)
2101 return -EFAULT;
2102
2103 /* make request to uCode to retrieve statistics information */
2104 mutex_lock(&priv->mutex);
2105 iwl_send_statistics_request(priv, CMD_SYNC, true);
2106 mutex_unlock(&priv->mutex);
2107
2108 return count;
2109 }
2110
2111 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2112 char __user *user_buf,
2113 size_t count, loff_t *ppos) {
2114
2115 struct iwl_priv *priv = file->private_data;
2116 int pos = 0;
2117 char buf[128];
2118 const size_t bufsz = sizeof(buf);
2119
2120 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2121 priv->event_log.ucode_trace ? "On" : "Off");
2122 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2123 priv->event_log.non_wraps_count);
2124 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2125 priv->event_log.wraps_once_count);
2126 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2127 priv->event_log.wraps_more_count);
2128
2129 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2130 }
2131
2132 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2133 const char __user *user_buf,
2134 size_t count, loff_t *ppos)
2135 {
2136 struct iwl_priv *priv = file->private_data;
2137 char buf[8];
2138 int buf_size;
2139 int trace;
2140
2141 memset(buf, 0, sizeof(buf));
2142 buf_size = min(count, sizeof(buf) - 1);
2143 if (copy_from_user(buf, user_buf, buf_size))
2144 return -EFAULT;
2145 if (sscanf(buf, "%d", &trace) != 1)
2146 return -EFAULT;
2147
2148 if (trace) {
2149 priv->event_log.ucode_trace = true;
2150 if (iwl_is_alive(priv)) {
2151 /* start collecting data now */
2152 mod_timer(&priv->ucode_trace, jiffies);
2153 }
2154 } else {
2155 priv->event_log.ucode_trace = false;
2156 del_timer_sync(&priv->ucode_trace);
2157 }
2158
2159 return count;
2160 }
2161
2162 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2163 char __user *user_buf,
2164 size_t count, loff_t *ppos) {
2165
2166 struct iwl_priv *priv = file->private_data;
2167 int len = 0;
2168 char buf[20];
2169
2170 len = sprintf(buf, "0x%04X\n",
2171 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2172 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2173 }
2174
2175 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2176 char __user *user_buf,
2177 size_t count, loff_t *ppos) {
2178
2179 struct iwl_priv *priv = file->private_data;
2180 int len = 0;
2181 char buf[20];
2182
2183 len = sprintf(buf, "0x%04X\n",
2184 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2185 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2186 }
2187
2188 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2189 char __user *user_buf,
2190 size_t count, loff_t *ppos) {
2191
2192 struct iwl_priv *priv = file->private_data;
2193 int pos = 0;
2194 char buf[12];
2195 const size_t bufsz = sizeof(buf);
2196
2197 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2198 priv->missed_beacon_threshold);
2199
2200 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2201 }
2202
2203 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2204 const char __user *user_buf,
2205 size_t count, loff_t *ppos)
2206 {
2207 struct iwl_priv *priv = file->private_data;
2208 char buf[8];
2209 int buf_size;
2210 int missed;
2211
2212 memset(buf, 0, sizeof(buf));
2213 buf_size = min(count, sizeof(buf) - 1);
2214 if (copy_from_user(buf, user_buf, buf_size))
2215 return -EFAULT;
2216 if (sscanf(buf, "%d", &missed) != 1)
2217 return -EINVAL;
2218
2219 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2220 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2221 priv->missed_beacon_threshold =
2222 IWL_MISSED_BEACON_THRESHOLD_DEF;
2223 else
2224 priv->missed_beacon_threshold = missed;
2225
2226 return count;
2227 }
2228
2229 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2230 char __user *user_buf,
2231 size_t count, loff_t *ppos) {
2232
2233 struct iwl_priv *priv = file->private_data;
2234 int pos = 0;
2235 char buf[12];
2236 const size_t bufsz = sizeof(buf);
2237
2238 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2239 priv->plcp_delta_threshold);
2240
2241 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2242 }
2243
2244 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2245 const char __user *user_buf,
2246 size_t count, loff_t *ppos) {
2247
2248 struct iwl_priv *priv = file->private_data;
2249 char buf[8];
2250 int buf_size;
2251 int plcp;
2252
2253 memset(buf, 0, sizeof(buf));
2254 buf_size = min(count, sizeof(buf) - 1);
2255 if (copy_from_user(buf, user_buf, buf_size))
2256 return -EFAULT;
2257 if (sscanf(buf, "%d", &plcp) != 1)
2258 return -EINVAL;
2259 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2260 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2261 priv->plcp_delta_threshold =
2262 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2263 else
2264 priv->plcp_delta_threshold = plcp;
2265 return count;
2266 }
2267
2268 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2269 char __user *user_buf,
2270 size_t count, loff_t *ppos)
2271 {
2272 struct iwl_priv *priv = file->private_data;
2273 int pos = 0;
2274 char buf[300];
2275 const size_t bufsz = sizeof(buf);
2276 struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2277
2278 pos += scnprintf(buf + pos, bufsz - pos,
2279 "RF reset statistics\n");
2280 pos += scnprintf(buf + pos, bufsz - pos,
2281 "\tnumber of reset request: %d\n",
2282 rf_reset->reset_request_count);
2283 pos += scnprintf(buf + pos, bufsz - pos,
2284 "\tnumber of reset request success: %d\n",
2285 rf_reset->reset_success_count);
2286 pos += scnprintf(buf + pos, bufsz - pos,
2287 "\tnumber of reset request reject: %d\n",
2288 rf_reset->reset_reject_count);
2289
2290 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2291 }
2292
2293 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2294 const char __user *user_buf,
2295 size_t count, loff_t *ppos) {
2296
2297 struct iwl_priv *priv = file->private_data;
2298 int ret;
2299
2300 ret = iwl_force_rf_reset(priv, true);
2301 return ret ? ret : count;
2302 }
2303
2304 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2305 const char __user *user_buf,
2306 size_t count, loff_t *ppos) {
2307
2308 struct iwl_priv *priv = file->private_data;
2309 char buf[8];
2310 int buf_size;
2311 int flush;
2312
2313 memset(buf, 0, sizeof(buf));
2314 buf_size = min(count, sizeof(buf) - 1);
2315 if (copy_from_user(buf, user_buf, buf_size))
2316 return -EFAULT;
2317 if (sscanf(buf, "%d", &flush) != 1)
2318 return -EINVAL;
2319
2320 if (iwl_is_rfkill(priv))
2321 return -EFAULT;
2322
2323 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2324
2325 return count;
2326 }
2327
2328 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2329 char __user *user_buf,
2330 size_t count, loff_t *ppos) {
2331
2332 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2333 int pos = 0;
2334 char buf[200];
2335 const size_t bufsz = sizeof(buf);
2336
2337 if (!priv->bt_enable_flag) {
2338 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2339 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2340 }
2341 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2342 priv->bt_enable_flag);
2343 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2344 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2345 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2346 "last traffic notif: %d\n",
2347 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2348 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2349 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2350 priv->bt_ch_announce, priv->kill_ack_mask,
2351 priv->kill_cts_mask);
2352
2353 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2354 switch (priv->bt_traffic_load) {
2355 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2356 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2357 break;
2358 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2359 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2360 break;
2361 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2362 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2363 break;
2364 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2365 default:
2366 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2367 break;
2368 }
2369
2370 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2371 }
2372
2373 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2374 char __user *user_buf,
2375 size_t count, loff_t *ppos)
2376 {
2377 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2378
2379 int pos = 0;
2380 char buf[40];
2381 const size_t bufsz = sizeof(buf);
2382
2383 if (cfg(priv)->ht_params)
2384 pos += scnprintf(buf + pos, bufsz - pos,
2385 "use %s for aggregation\n",
2386 (priv->hw_params.use_rts_for_aggregation) ?
2387 "rts/cts" : "cts-to-self");
2388 else
2389 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2390
2391 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2392 }
2393
2394 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2395 const char __user *user_buf,
2396 size_t count, loff_t *ppos) {
2397
2398 struct iwl_priv *priv = file->private_data;
2399 char buf[8];
2400 int buf_size;
2401 int rts;
2402
2403 if (!cfg(priv)->ht_params)
2404 return -EINVAL;
2405
2406 memset(buf, 0, sizeof(buf));
2407 buf_size = min(count, sizeof(buf) - 1);
2408 if (copy_from_user(buf, user_buf, buf_size))
2409 return -EFAULT;
2410 if (sscanf(buf, "%d", &rts) != 1)
2411 return -EINVAL;
2412 if (rts)
2413 priv->hw_params.use_rts_for_aggregation = true;
2414 else
2415 priv->hw_params.use_rts_for_aggregation = false;
2416 return count;
2417 }
2418
2419 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2420 const char __user *user_buf,
2421 size_t count, loff_t *ppos)
2422 {
2423 struct iwl_priv *priv = file->private_data;
2424 char buf[8];
2425 int buf_size;
2426
2427 memset(buf, 0, sizeof(buf));
2428 buf_size = min(count, sizeof(buf) - 1);
2429 if (copy_from_user(buf, user_buf, buf_size))
2430 return -EFAULT;
2431
2432 iwl_cmd_echo_test(priv);
2433 return count;
2434 }
2435
2436 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2437 char __user *user_buf,
2438 size_t count, loff_t *ppos)
2439 {
2440 struct iwl_priv *priv = file->private_data;
2441 char *buf;
2442 int pos = 0;
2443 ssize_t ret = -ENOMEM;
2444
2445 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
2446 if (buf) {
2447 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2448 kfree(buf);
2449 }
2450 return ret;
2451 }
2452
2453 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2454 const char __user *user_buf,
2455 size_t count, loff_t *ppos)
2456 {
2457 struct iwl_priv *priv = file->private_data;
2458 u32 event_log_flag;
2459 char buf[8];
2460 int buf_size;
2461
2462 memset(buf, 0, sizeof(buf));
2463 buf_size = min(count, sizeof(buf) - 1);
2464 if (copy_from_user(buf, user_buf, buf_size))
2465 return -EFAULT;
2466 if (sscanf(buf, "%d", &event_log_flag) != 1)
2467 return -EFAULT;
2468 if (event_log_flag == 1)
2469 iwl_dump_nic_event_log(priv, true, NULL, false);
2470
2471 return count;
2472 }
2473
2474 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2475 char __user *user_buf,
2476 size_t count, loff_t *ppos)
2477 {
2478 struct iwl_priv *priv = file->private_data;
2479 char buf[120];
2480 int pos = 0;
2481 const size_t bufsz = sizeof(buf);
2482
2483 pos += scnprintf(buf + pos, bufsz - pos,
2484 "Sensitivity calibrations %s\n",
2485 (priv->calib_disabled &
2486 IWL_SENSITIVITY_CALIB_DISABLED) ?
2487 "DISABLED" : "ENABLED");
2488 pos += scnprintf(buf + pos, bufsz - pos,
2489 "Chain noise calibrations %s\n",
2490 (priv->calib_disabled &
2491 IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2492 "DISABLED" : "ENABLED");
2493 pos += scnprintf(buf + pos, bufsz - pos,
2494 "Tx power calibrations %s\n",
2495 (priv->calib_disabled &
2496 IWL_TX_POWER_CALIB_DISABLED) ?
2497 "DISABLED" : "ENABLED");
2498
2499 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2500 }
2501
2502 DEBUGFS_READ_FILE_OPS(rx_statistics);
2503 DEBUGFS_READ_FILE_OPS(tx_statistics);
2504 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2505 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2506 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2507 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2508 DEBUGFS_READ_FILE_OPS(sensitivity);
2509 DEBUGFS_READ_FILE_OPS(chain_noise);
2510 DEBUGFS_READ_FILE_OPS(power_save_status);
2511 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2512 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2513 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2514 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2515 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2516 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2517 DEBUGFS_READ_FILE_OPS(rxon_flags);
2518 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2519 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2520 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2521 DEBUGFS_READ_FILE_OPS(bt_traffic);
2522 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2523 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2524 DEBUGFS_WRITE_FILE_OPS(echo_test);
2525 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2526 DEBUGFS_READ_FILE_OPS(calib_disabled);
2527
2528 /*
2529 * Create the debugfs files and directories
2530 *
2531 */
2532 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2533 {
2534 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2535 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2536
2537 dir_drv = debugfs_create_dir(name, phyd);
2538 if (!dir_drv)
2539 return -ENOMEM;
2540
2541 priv->debugfs_dir = dir_drv;
2542
2543 dir_data = debugfs_create_dir("data", dir_drv);
2544 if (!dir_data)
2545 goto err;
2546 dir_rf = debugfs_create_dir("rf", dir_drv);
2547 if (!dir_rf)
2548 goto err;
2549 dir_debug = debugfs_create_dir("debug", dir_drv);
2550 if (!dir_debug)
2551 goto err;
2552
2553 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2554 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2555 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2556 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2557 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2558 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2559 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2560 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2561 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2562 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2563 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2564 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2565 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2566
2567 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2568 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2569 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2570 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2571 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2572 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2573 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2574 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2575 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2576 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2577 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2578 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2579 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2580 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2581 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2582 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2583 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2584 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2585 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2586 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2587 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2588 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2589 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2590
2591 if (iwl_advanced_bt_coexist(priv))
2592 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2593
2594 /* Calibrations disabled/enabled status*/
2595 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IRUSR);
2596
2597 if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2598 goto err;
2599 return 0;
2600
2601 err:
2602 IWL_ERR(priv, "Can't create the debugfs directory\n");
2603 iwl_dbgfs_unregister(priv);
2604 return -ENOMEM;
2605 }
2606
2607 /**
2608 * Remove the debugfs files and directories
2609 *
2610 */
2611 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2612 {
2613 if (!priv->debugfs_dir)
2614 return;
2615
2616 debugfs_remove_recursive(priv->debugfs_dir);
2617 priv->debugfs_dir = NULL;
2618 }
Linux kernel - Deliverables
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