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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 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
88 {
89 file->private_data = inode->i_private;
90 return 0;
91 }
92
93 #define DEBUGFS_READ_FILE_OPS(name) \
94 DEBUGFS_READ_FUNC(name); \
95 static const struct file_operations iwl_dbgfs_##name##_ops = { \
96 .read = iwl_dbgfs_##name##_read, \
97 .open = iwl_dbgfs_open_file_generic, \
98 .llseek = generic_file_llseek, \
99 };
100
101 #define DEBUGFS_WRITE_FILE_OPS(name) \
102 DEBUGFS_WRITE_FUNC(name); \
103 static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .open = iwl_dbgfs_open_file_generic, \
106 .llseek = generic_file_llseek, \
107 };
108
109
110 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
111 DEBUGFS_READ_FUNC(name); \
112 DEBUGFS_WRITE_FUNC(name); \
113 static const struct file_operations iwl_dbgfs_##name##_ops = { \
114 .write = iwl_dbgfs_##name##_write, \
115 .read = iwl_dbgfs_##name##_read, \
116 .open = iwl_dbgfs_open_file_generic, \
117 .llseek = generic_file_llseek, \
118 };
119
120 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
121 char __user *user_buf,
122 size_t count, loff_t *ppos) {
123
124 struct iwl_priv *priv = file->private_data;
125 char *buf;
126 int pos = 0;
127
128 int cnt;
129 ssize_t ret;
130 const size_t bufsz = 100 +
131 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
132 buf = kzalloc(bufsz, GFP_KERNEL);
133 if (!buf)
134 return -ENOMEM;
135 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
136 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
137 pos += scnprintf(buf + pos, bufsz - pos,
138 "\t%25s\t\t: %u\n",
139 get_mgmt_string(cnt),
140 priv->tx_stats.mgmt[cnt]);
141 }
142 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
143 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
144 pos += scnprintf(buf + pos, bufsz - pos,
145 "\t%25s\t\t: %u\n",
146 get_ctrl_string(cnt),
147 priv->tx_stats.ctrl[cnt]);
148 }
149 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
150 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
151 priv->tx_stats.data_cnt);
152 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
153 priv->tx_stats.data_bytes);
154 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
155 kfree(buf);
156 return ret;
157 }
158
159 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
160 const char __user *user_buf,
161 size_t count, loff_t *ppos)
162 {
163 struct iwl_priv *priv = file->private_data;
164 u32 clear_flag;
165 char buf[8];
166 int buf_size;
167
168 memset(buf, 0, sizeof(buf));
169 buf_size = min(count, sizeof(buf) - 1);
170 if (copy_from_user(buf, user_buf, buf_size))
171 return -EFAULT;
172 if (sscanf(buf, "%x", &clear_flag) != 1)
173 return -EFAULT;
174 iwl_clear_traffic_stats(priv);
175
176 return count;
177 }
178
179 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
180 char __user *user_buf,
181 size_t count, loff_t *ppos) {
182
183 struct iwl_priv *priv = file->private_data;
184 char *buf;
185 int pos = 0;
186 int cnt;
187 ssize_t ret;
188 const size_t bufsz = 100 +
189 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
190 buf = kzalloc(bufsz, GFP_KERNEL);
191 if (!buf)
192 return -ENOMEM;
193
194 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
195 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
196 pos += scnprintf(buf + pos, bufsz - pos,
197 "\t%25s\t\t: %u\n",
198 get_mgmt_string(cnt),
199 priv->rx_stats.mgmt[cnt]);
200 }
201 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
202 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
203 pos += scnprintf(buf + pos, bufsz - pos,
204 "\t%25s\t\t: %u\n",
205 get_ctrl_string(cnt),
206 priv->rx_stats.ctrl[cnt]);
207 }
208 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
209 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
210 priv->rx_stats.data_cnt);
211 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
212 priv->rx_stats.data_bytes);
213
214 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
215 kfree(buf);
216 return ret;
217 }
218
219 static ssize_t iwl_dbgfs_sram_read(struct file *file,
220 char __user *user_buf,
221 size_t count, loff_t *ppos)
222 {
223 u32 val = 0;
224 char *buf;
225 ssize_t ret;
226 int i = 0;
227 bool device_format = false;
228 int offset = 0;
229 int len = 0;
230 int pos = 0;
231 int sram;
232 struct iwl_priv *priv = file->private_data;
233 const struct fw_img *img;
234 size_t bufsz;
235
236 /* default is to dump the entire data segment */
237 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
238 priv->dbgfs_sram_offset = 0x800000;
239 if (!priv->ucode_loaded) {
240 IWL_ERR(priv, "No uCode has been loadded.\n");
241 return -EINVAL;
242 }
243 img = &priv->fw->img[priv->shrd->ucode_type];
244 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
245 }
246 len = priv->dbgfs_sram_len;
247
248 if (len == -4) {
249 device_format = true;
250 len = 4;
251 }
252
253 bufsz = 50 + len * 4;
254 buf = kmalloc(bufsz, GFP_KERNEL);
255 if (!buf)
256 return -ENOMEM;
257
258 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
259 len);
260 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
261 priv->dbgfs_sram_offset);
262
263 /* adjust sram address since reads are only on even u32 boundaries */
264 offset = priv->dbgfs_sram_offset & 0x3;
265 sram = priv->dbgfs_sram_offset & ~0x3;
266
267 /* read the first u32 from sram */
268 val = iwl_read_targ_mem(trans(priv), sram);
269
270 for (; len; len--) {
271 /* put the address at the start of every line */
272 if (i == 0)
273 pos += scnprintf(buf + pos, bufsz - pos,
274 "%08X: ", sram + offset);
275
276 if (device_format)
277 pos += scnprintf(buf + pos, bufsz - pos,
278 "%02x", (val >> (8 * (3 - offset))) & 0xff);
279 else
280 pos += scnprintf(buf + pos, bufsz - pos,
281 "%02x ", (val >> (8 * offset)) & 0xff);
282
283 /* if all bytes processed, read the next u32 from sram */
284 if (++offset == 4) {
285 sram += 4;
286 offset = 0;
287 val = iwl_read_targ_mem(trans(priv), sram);
288 }
289
290 /* put in extra spaces and split lines for human readability */
291 if (++i == 16) {
292 i = 0;
293 pos += scnprintf(buf + pos, bufsz - pos, "\n");
294 } else if (!(i & 7)) {
295 pos += scnprintf(buf + pos, bufsz - pos, " ");
296 } else if (!(i & 3)) {
297 pos += scnprintf(buf + pos, bufsz - pos, " ");
298 }
299 }
300 if (i)
301 pos += scnprintf(buf + pos, bufsz - pos, "\n");
302
303 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
304 kfree(buf);
305 return ret;
306 }
307
308 static ssize_t iwl_dbgfs_sram_write(struct file *file,
309 const char __user *user_buf,
310 size_t count, loff_t *ppos)
311 {
312 struct iwl_priv *priv = file->private_data;
313 char buf[64];
314 int buf_size;
315 u32 offset, len;
316
317 memset(buf, 0, sizeof(buf));
318 buf_size = min(count, sizeof(buf) - 1);
319 if (copy_from_user(buf, user_buf, buf_size))
320 return -EFAULT;
321
322 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
323 priv->dbgfs_sram_offset = offset;
324 priv->dbgfs_sram_len = len;
325 } else if (sscanf(buf, "%x", &offset) == 1) {
326 priv->dbgfs_sram_offset = offset;
327 priv->dbgfs_sram_len = -4;
328 } else {
329 priv->dbgfs_sram_offset = 0;
330 priv->dbgfs_sram_len = 0;
331 }
332
333 return count;
334 }
335
336 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
337 char __user *user_buf,
338 size_t count, loff_t *ppos)
339 {
340 struct iwl_priv *priv = file->private_data;
341 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
342
343 if (!priv->wowlan_sram)
344 return -ENODATA;
345
346 return simple_read_from_buffer(user_buf, count, ppos,
347 priv->wowlan_sram,
348 img->sec[IWL_UCODE_SECTION_DATA].len);
349 }
350 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
351 size_t count, loff_t *ppos)
352 {
353 struct iwl_priv *priv = file->private_data;
354 struct iwl_station_entry *station;
355 struct iwl_tid_data *tid_data;
356 char *buf;
357 int i, j, pos = 0;
358 ssize_t ret;
359 /* Add 30 for initial string */
360 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
361
362 buf = kmalloc(bufsz, GFP_KERNEL);
363 if (!buf)
364 return -ENOMEM;
365
366 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
367 priv->num_stations);
368
369 for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
370 station = &priv->stations[i];
371 if (!station->used)
372 continue;
373 pos += scnprintf(buf + pos, bufsz - pos,
374 "station %d - addr: %pM, flags: %#x\n",
375 i, station->sta.sta.addr,
376 station->sta.station_flags_msk);
377 pos += scnprintf(buf + pos, bufsz - pos,
378 "TID\tseq_num\trate_n_flags\n");
379
380 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
381 tid_data = &priv->tid_data[i][j];
382 pos += scnprintf(buf + pos, bufsz - pos,
383 "%d:\t%#x\t%#x",
384 j, tid_data->seq_number,
385 tid_data->agg.rate_n_flags);
386
387 if (tid_data->agg.wait_for_ba)
388 pos += scnprintf(buf + pos, bufsz - pos,
389 " - waitforba");
390 pos += scnprintf(buf + pos, bufsz - pos, "\n");
391 }
392
393 pos += scnprintf(buf + pos, bufsz - pos, "\n");
394 }
395
396 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
397 kfree(buf);
398 return ret;
399 }
400
401 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
402 char __user *user_buf,
403 size_t count,
404 loff_t *ppos)
405 {
406 ssize_t ret;
407 struct iwl_priv *priv = file->private_data;
408 int pos = 0, ofs = 0, buf_size = 0;
409 const u8 *ptr;
410 char *buf;
411 u16 eeprom_ver;
412 size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
413 buf_size = 4 * eeprom_len + 256;
414
415 if (eeprom_len % 16) {
416 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
417 return -ENODATA;
418 }
419
420 ptr = priv->shrd->eeprom;
421 if (!ptr) {
422 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
423 return -ENOMEM;
424 }
425
426 /* 4 characters for byte 0xYY */
427 buf = kzalloc(buf_size, GFP_KERNEL);
428 if (!buf) {
429 IWL_ERR(priv, "Can not allocate Buffer\n");
430 return -ENOMEM;
431 }
432 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION);
433 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
434 "version: 0x%x\n",
435 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP)
436 ? "OTP" : "EEPROM", eeprom_ver);
437 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
438 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
439 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
440 buf_size - pos, 0);
441 pos += strlen(buf + pos);
442 if (buf_size - pos > 0)
443 buf[pos++] = '\n';
444 }
445
446 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
447 kfree(buf);
448 return ret;
449 }
450
451 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
452 size_t count, loff_t *ppos)
453 {
454 struct iwl_priv *priv = file->private_data;
455 struct ieee80211_channel *channels = NULL;
456 const struct ieee80211_supported_band *supp_band = NULL;
457 int pos = 0, i, bufsz = PAGE_SIZE;
458 char *buf;
459 ssize_t ret;
460
461 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
462 return -EAGAIN;
463
464 buf = kzalloc(bufsz, GFP_KERNEL);
465 if (!buf) {
466 IWL_ERR(priv, "Can not allocate Buffer\n");
467 return -ENOMEM;
468 }
469
470 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
471 if (supp_band) {
472 channels = supp_band->channels;
473
474 pos += scnprintf(buf + pos, bufsz - pos,
475 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
476 supp_band->n_channels);
477
478 for (i = 0; i < supp_band->n_channels; i++)
479 pos += scnprintf(buf + pos, bufsz - pos,
480 "%d: %ddBm: BSS%s%s, %s.\n",
481 channels[i].hw_value,
482 channels[i].max_power,
483 channels[i].flags & IEEE80211_CHAN_RADAR ?
484 " (IEEE 802.11h required)" : "",
485 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
486 || (channels[i].flags &
487 IEEE80211_CHAN_RADAR)) ? "" :
488 ", IBSS",
489 channels[i].flags &
490 IEEE80211_CHAN_PASSIVE_SCAN ?
491 "passive only" : "active/passive");
492 }
493 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
494 if (supp_band) {
495 channels = supp_band->channels;
496
497 pos += scnprintf(buf + pos, bufsz - pos,
498 "Displaying %d channels in 5.2GHz band (802.11a)\n",
499 supp_band->n_channels);
500
501 for (i = 0; i < supp_band->n_channels; i++)
502 pos += scnprintf(buf + pos, bufsz - pos,
503 "%d: %ddBm: BSS%s%s, %s.\n",
504 channels[i].hw_value,
505 channels[i].max_power,
506 channels[i].flags & IEEE80211_CHAN_RADAR ?
507 " (IEEE 802.11h required)" : "",
508 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
509 || (channels[i].flags &
510 IEEE80211_CHAN_RADAR)) ? "" :
511 ", IBSS",
512 channels[i].flags &
513 IEEE80211_CHAN_PASSIVE_SCAN ?
514 "passive only" : "active/passive");
515 }
516 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
517 kfree(buf);
518 return ret;
519 }
520
521 static ssize_t iwl_dbgfs_status_read(struct file *file,
522 char __user *user_buf,
523 size_t count, loff_t *ppos) {
524
525 struct iwl_priv *priv = file->private_data;
526 char buf[512];
527 int pos = 0;
528 const size_t bufsz = sizeof(buf);
529
530 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
531 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
533 test_bit(STATUS_RF_KILL_HW, &priv->status));
534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
535 test_bit(STATUS_CT_KILL, &priv->status));
536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
537 test_bit(STATUS_ALIVE, &priv->status));
538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
539 test_bit(STATUS_READY, &priv->status));
540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
541 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
543 test_bit(STATUS_EXIT_PENDING, &priv->status));
544 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
545 test_bit(STATUS_STATISTICS, &priv->status));
546 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
547 test_bit(STATUS_SCANNING, &priv->status));
548 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
549 test_bit(STATUS_SCAN_ABORTING, &priv->status));
550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
551 test_bit(STATUS_SCAN_HW, &priv->status));
552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
553 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
555 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
556 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
557 }
558
559 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
560 char __user *user_buf,
561 size_t count, loff_t *ppos) {
562
563 struct iwl_priv *priv = file->private_data;
564
565 int pos = 0;
566 int cnt = 0;
567 char *buf;
568 int bufsz = 24 * 64; /* 24 items * 64 char per item */
569 ssize_t ret;
570
571 buf = kzalloc(bufsz, GFP_KERNEL);
572 if (!buf) {
573 IWL_ERR(priv, "Can not allocate Buffer\n");
574 return -ENOMEM;
575 }
576
577 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
578 if (priv->rx_handlers_stats[cnt] > 0)
579 pos += scnprintf(buf + pos, bufsz - pos,
580 "\tRx handler[%36s]:\t\t %u\n",
581 get_cmd_string(cnt),
582 priv->rx_handlers_stats[cnt]);
583 }
584
585 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
586 kfree(buf);
587 return ret;
588 }
589
590 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
591 const char __user *user_buf,
592 size_t count, loff_t *ppos)
593 {
594 struct iwl_priv *priv = file->private_data;
595
596 char buf[8];
597 int buf_size;
598 u32 reset_flag;
599
600 memset(buf, 0, sizeof(buf));
601 buf_size = min(count, sizeof(buf) - 1);
602 if (copy_from_user(buf, user_buf, buf_size))
603 return -EFAULT;
604 if (sscanf(buf, "%x", &reset_flag) != 1)
605 return -EFAULT;
606 if (reset_flag == 0)
607 memset(&priv->rx_handlers_stats[0], 0,
608 sizeof(priv->rx_handlers_stats));
609
610 return count;
611 }
612
613 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
614 size_t count, loff_t *ppos)
615 {
616 struct iwl_priv *priv = file->private_data;
617 struct iwl_rxon_context *ctx;
618 int pos = 0, i;
619 char buf[256 * NUM_IWL_RXON_CTX];
620 const size_t bufsz = sizeof(buf);
621
622 for_each_context(priv, ctx) {
623 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
624 ctx->ctxid);
625 for (i = 0; i < AC_NUM; i++) {
626 pos += scnprintf(buf + pos, bufsz - pos,
627 "\tcw_min\tcw_max\taifsn\ttxop\n");
628 pos += scnprintf(buf + pos, bufsz - pos,
629 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
630 ctx->qos_data.def_qos_parm.ac[i].cw_min,
631 ctx->qos_data.def_qos_parm.ac[i].cw_max,
632 ctx->qos_data.def_qos_parm.ac[i].aifsn,
633 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
634 }
635 pos += scnprintf(buf + pos, bufsz - pos, "\n");
636 }
637 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
638 }
639
640 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
641 char __user *user_buf,
642 size_t count, loff_t *ppos)
643 {
644 struct iwl_priv *priv = file->private_data;
645 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
646 struct iwl_tt_restriction *restriction;
647 char buf[100];
648 int pos = 0;
649 const size_t bufsz = sizeof(buf);
650
651 pos += scnprintf(buf + pos, bufsz - pos,
652 "Thermal Throttling Mode: %s\n",
653 tt->advanced_tt ? "Advance" : "Legacy");
654 pos += scnprintf(buf + pos, bufsz - pos,
655 "Thermal Throttling State: %d\n",
656 tt->state);
657 if (tt->advanced_tt) {
658 restriction = tt->restriction + tt->state;
659 pos += scnprintf(buf + pos, bufsz - pos,
660 "Tx mode: %d\n",
661 restriction->tx_stream);
662 pos += scnprintf(buf + pos, bufsz - pos,
663 "Rx mode: %d\n",
664 restriction->rx_stream);
665 pos += scnprintf(buf + pos, bufsz - pos,
666 "HT mode: %d\n",
667 restriction->is_ht);
668 }
669 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
670 }
671
672 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
673 const char __user *user_buf,
674 size_t count, loff_t *ppos)
675 {
676 struct iwl_priv *priv = file->private_data;
677 char buf[8];
678 int buf_size;
679 int ht40;
680
681 memset(buf, 0, sizeof(buf));
682 buf_size = min(count, sizeof(buf) - 1);
683 if (copy_from_user(buf, user_buf, buf_size))
684 return -EFAULT;
685 if (sscanf(buf, "%d", &ht40) != 1)
686 return -EFAULT;
687 if (!iwl_is_any_associated(priv))
688 priv->disable_ht40 = ht40 ? true : false;
689 else {
690 IWL_ERR(priv, "Sta associated with AP - "
691 "Change to 40MHz channel support is not allowed\n");
692 return -EINVAL;
693 }
694
695 return count;
696 }
697
698 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
699 char __user *user_buf,
700 size_t count, loff_t *ppos)
701 {
702 struct iwl_priv *priv = file->private_data;
703 char buf[100];
704 int pos = 0;
705 const size_t bufsz = sizeof(buf);
706
707 pos += scnprintf(buf + pos, bufsz - pos,
708 "11n 40MHz Mode: %s\n",
709 priv->disable_ht40 ? "Disabled" : "Enabled");
710 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
711 }
712
713 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
714 char __user *user_buf,
715 size_t count, loff_t *ppos)
716 {
717 struct iwl_priv *priv = file->private_data;
718 char buf[8];
719 int pos = 0;
720 const size_t bufsz = sizeof(buf);
721
722 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
723 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
724 }
725
726
727 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
728 const char __user *user_buf,
729 size_t count, loff_t *ppos)
730 {
731 struct iwl_priv *priv = file->private_data;
732 char buf[8];
733 int buf_size;
734 int value;
735
736 memset(buf, 0, sizeof(buf));
737 buf_size = min(count, sizeof(buf) - 1);
738 if (copy_from_user(buf, user_buf, buf_size))
739 return -EFAULT;
740
741 if (sscanf(buf, "%d", &value) != 1)
742 return -EINVAL;
743
744 /*
745 * Our users expect 0 to be "CAM", but 0 isn't actually
746 * valid here. However, let's not confuse them and present
747 * IWL_POWER_INDEX_1 as "1", not "0".
748 */
749 if (value == 0)
750 return -EINVAL;
751 else if (value > 0)
752 value -= 1;
753
754 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
755 return -EINVAL;
756
757 if (!iwl_is_ready_rf(priv))
758 return -EAGAIN;
759
760 priv->power_data.debug_sleep_level_override = value;
761
762 mutex_lock(&priv->mutex);
763 iwl_power_update_mode(priv, true);
764 mutex_unlock(&priv->mutex);
765
766 return count;
767 }
768
769 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
770 char __user *user_buf,
771 size_t count, loff_t *ppos)
772 {
773 struct iwl_priv *priv = file->private_data;
774 char buf[10];
775 int pos, value;
776 const size_t bufsz = sizeof(buf);
777
778 /* see the write function */
779 value = priv->power_data.debug_sleep_level_override;
780 if (value >= 0)
781 value += 1;
782
783 pos = scnprintf(buf, bufsz, "%d\n", value);
784 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
785 }
786
787 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
788 char __user *user_buf,
789 size_t count, loff_t *ppos)
790 {
791 struct iwl_priv *priv = file->private_data;
792 char buf[200];
793 int pos = 0, i;
794 const size_t bufsz = sizeof(buf);
795 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
796
797 pos += scnprintf(buf + pos, bufsz - pos,
798 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
799 pos += scnprintf(buf + pos, bufsz - pos,
800 "RX/TX timeout: %d/%d usec\n",
801 le32_to_cpu(cmd->rx_data_timeout),
802 le32_to_cpu(cmd->tx_data_timeout));
803 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
804 pos += scnprintf(buf + pos, bufsz - pos,
805 "sleep_interval[%d]: %d\n", i,
806 le32_to_cpu(cmd->sleep_interval[i]));
807
808 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
809 }
810
811 DEBUGFS_READ_WRITE_FILE_OPS(sram);
812 DEBUGFS_READ_FILE_OPS(wowlan_sram);
813 DEBUGFS_READ_FILE_OPS(nvm);
814 DEBUGFS_READ_FILE_OPS(stations);
815 DEBUGFS_READ_FILE_OPS(channels);
816 DEBUGFS_READ_FILE_OPS(status);
817 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
818 DEBUGFS_READ_FILE_OPS(qos);
819 DEBUGFS_READ_FILE_OPS(thermal_throttling);
820 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
821 DEBUGFS_READ_FILE_OPS(temperature);
822 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
823 DEBUGFS_READ_FILE_OPS(current_sleep_command);
824
825 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
826 char __user *user_buf,
827 size_t count, loff_t *ppos)
828 {
829 struct iwl_priv *priv = file->private_data;
830 int pos = 0, ofs = 0;
831 int cnt = 0, entry;
832
833 char *buf;
834 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
835 (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400;
836 const u8 *ptr;
837 ssize_t ret;
838
839 buf = kzalloc(bufsz, GFP_KERNEL);
840 if (!buf) {
841 IWL_ERR(priv, "Can not allocate buffer\n");
842 return -ENOMEM;
843 }
844 if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) {
845 ptr = priv->tx_traffic;
846 pos += scnprintf(buf + pos, bufsz - pos,
847 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
848 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
849 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
850 entry++, ofs += 16) {
851 pos += scnprintf(buf + pos, bufsz - pos,
852 "0x%.4x ", ofs);
853 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
854 buf + pos, bufsz - pos, 0);
855 pos += strlen(buf + pos);
856 if (bufsz - pos > 0)
857 buf[pos++] = '\n';
858 }
859 }
860 }
861
862 if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) {
863 ptr = priv->rx_traffic;
864 pos += scnprintf(buf + pos, bufsz - pos,
865 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
866 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
867 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
868 entry++, ofs += 16) {
869 pos += scnprintf(buf + pos, bufsz - pos,
870 "0x%.4x ", ofs);
871 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
872 buf + pos, bufsz - pos, 0);
873 pos += strlen(buf + pos);
874 if (bufsz - pos > 0)
875 buf[pos++] = '\n';
876 }
877 }
878 }
879
880 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
881 kfree(buf);
882 return ret;
883 }
884
885 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
886 const char __user *user_buf,
887 size_t count, loff_t *ppos)
888 {
889 struct iwl_priv *priv = file->private_data;
890 char buf[8];
891 int buf_size;
892 int traffic_log;
893
894 memset(buf, 0, sizeof(buf));
895 buf_size = min(count, sizeof(buf) - 1);
896 if (copy_from_user(buf, user_buf, buf_size))
897 return -EFAULT;
898 if (sscanf(buf, "%d", &traffic_log) != 1)
899 return -EFAULT;
900 if (traffic_log == 0)
901 iwl_reset_traffic_log(priv);
902
903 return count;
904 }
905
906 static const char *fmt_value = " %-30s %10u\n";
907 static const char *fmt_hex = " %-30s 0x%02X\n";
908 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
909 static const char *fmt_header =
910 "%-32s current cumulative delta max\n";
911
912 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
913 {
914 int p = 0;
915 u32 flag;
916
917 lockdep_assert_held(&priv->statistics.lock);
918
919 flag = le32_to_cpu(priv->statistics.flag);
920
921 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
922 if (flag & UCODE_STATISTICS_CLEAR_MSK)
923 p += scnprintf(buf + p, bufsz - p,
924 "\tStatistics have been cleared\n");
925 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
926 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
927 ? "2.4 GHz" : "5.2 GHz");
928 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
929 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
930 ? "enabled" : "disabled");
931
932 return p;
933 }
934
935 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
936 char __user *user_buf,
937 size_t count, loff_t *ppos)
938 {
939 struct iwl_priv *priv = file->private_data;
940 int pos = 0;
941 char *buf;
942 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
943 sizeof(struct statistics_rx_non_phy) * 40 +
944 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
945 ssize_t ret;
946 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
947 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
948 struct statistics_rx_non_phy *general, *accum_general;
949 struct statistics_rx_non_phy *delta_general, *max_general;
950 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
951
952 if (!iwl_is_alive(priv))
953 return -EAGAIN;
954
955 buf = kzalloc(bufsz, GFP_KERNEL);
956 if (!buf) {
957 IWL_ERR(priv, "Can not allocate Buffer\n");
958 return -ENOMEM;
959 }
960
961 /*
962 * the statistic information display here is based on
963 * the last statistics notification from uCode
964 * might not reflect the current uCode activity
965 */
966 spin_lock_bh(&priv->statistics.lock);
967 ofdm = &priv->statistics.rx_ofdm;
968 cck = &priv->statistics.rx_cck;
969 general = &priv->statistics.rx_non_phy;
970 ht = &priv->statistics.rx_ofdm_ht;
971 accum_ofdm = &priv->accum_stats.rx_ofdm;
972 accum_cck = &priv->accum_stats.rx_cck;
973 accum_general = &priv->accum_stats.rx_non_phy;
974 accum_ht = &priv->accum_stats.rx_ofdm_ht;
975 delta_ofdm = &priv->delta_stats.rx_ofdm;
976 delta_cck = &priv->delta_stats.rx_cck;
977 delta_general = &priv->delta_stats.rx_non_phy;
978 delta_ht = &priv->delta_stats.rx_ofdm_ht;
979 max_ofdm = &priv->max_delta_stats.rx_ofdm;
980 max_cck = &priv->max_delta_stats.rx_cck;
981 max_general = &priv->max_delta_stats.rx_non_phy;
982 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
983
984 pos += iwl_statistics_flag(priv, buf, bufsz);
985 pos += scnprintf(buf + pos, bufsz - pos,
986 fmt_header, "Statistics_Rx - OFDM:");
987 pos += scnprintf(buf + pos, bufsz - pos,
988 fmt_table, "ina_cnt:",
989 le32_to_cpu(ofdm->ina_cnt),
990 accum_ofdm->ina_cnt,
991 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
992 pos += scnprintf(buf + pos, bufsz - pos,
993 fmt_table, "fina_cnt:",
994 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
995 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
996 pos += scnprintf(buf + pos, bufsz - pos,
997 fmt_table, "plcp_err:",
998 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
999 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1000 pos += scnprintf(buf + pos, bufsz - pos,
1001 fmt_table, "crc32_err:",
1002 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1003 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1004 pos += scnprintf(buf + pos, bufsz - pos,
1005 fmt_table, "overrun_err:",
1006 le32_to_cpu(ofdm->overrun_err),
1007 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1008 max_ofdm->overrun_err);
1009 pos += scnprintf(buf + pos, bufsz - pos,
1010 fmt_table, "early_overrun_err:",
1011 le32_to_cpu(ofdm->early_overrun_err),
1012 accum_ofdm->early_overrun_err,
1013 delta_ofdm->early_overrun_err,
1014 max_ofdm->early_overrun_err);
1015 pos += scnprintf(buf + pos, bufsz - pos,
1016 fmt_table, "crc32_good:",
1017 le32_to_cpu(ofdm->crc32_good),
1018 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1019 max_ofdm->crc32_good);
1020 pos += scnprintf(buf + pos, bufsz - pos,
1021 fmt_table, "false_alarm_cnt:",
1022 le32_to_cpu(ofdm->false_alarm_cnt),
1023 accum_ofdm->false_alarm_cnt,
1024 delta_ofdm->false_alarm_cnt,
1025 max_ofdm->false_alarm_cnt);
1026 pos += scnprintf(buf + pos, bufsz - pos,
1027 fmt_table, "fina_sync_err_cnt:",
1028 le32_to_cpu(ofdm->fina_sync_err_cnt),
1029 accum_ofdm->fina_sync_err_cnt,
1030 delta_ofdm->fina_sync_err_cnt,
1031 max_ofdm->fina_sync_err_cnt);
1032 pos += scnprintf(buf + pos, bufsz - pos,
1033 fmt_table, "sfd_timeout:",
1034 le32_to_cpu(ofdm->sfd_timeout),
1035 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1036 max_ofdm->sfd_timeout);
1037 pos += scnprintf(buf + pos, bufsz - pos,
1038 fmt_table, "fina_timeout:",
1039 le32_to_cpu(ofdm->fina_timeout),
1040 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1041 max_ofdm->fina_timeout);
1042 pos += scnprintf(buf + pos, bufsz - pos,
1043 fmt_table, "unresponded_rts:",
1044 le32_to_cpu(ofdm->unresponded_rts),
1045 accum_ofdm->unresponded_rts,
1046 delta_ofdm->unresponded_rts,
1047 max_ofdm->unresponded_rts);
1048 pos += scnprintf(buf + pos, bufsz - pos,
1049 fmt_table, "rxe_frame_lmt_ovrun:",
1050 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1051 accum_ofdm->rxe_frame_limit_overrun,
1052 delta_ofdm->rxe_frame_limit_overrun,
1053 max_ofdm->rxe_frame_limit_overrun);
1054 pos += scnprintf(buf + pos, bufsz - pos,
1055 fmt_table, "sent_ack_cnt:",
1056 le32_to_cpu(ofdm->sent_ack_cnt),
1057 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1058 max_ofdm->sent_ack_cnt);
1059 pos += scnprintf(buf + pos, bufsz - pos,
1060 fmt_table, "sent_cts_cnt:",
1061 le32_to_cpu(ofdm->sent_cts_cnt),
1062 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1063 max_ofdm->sent_cts_cnt);
1064 pos += scnprintf(buf + pos, bufsz - pos,
1065 fmt_table, "sent_ba_rsp_cnt:",
1066 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1067 accum_ofdm->sent_ba_rsp_cnt,
1068 delta_ofdm->sent_ba_rsp_cnt,
1069 max_ofdm->sent_ba_rsp_cnt);
1070 pos += scnprintf(buf + pos, bufsz - pos,
1071 fmt_table, "dsp_self_kill:",
1072 le32_to_cpu(ofdm->dsp_self_kill),
1073 accum_ofdm->dsp_self_kill,
1074 delta_ofdm->dsp_self_kill,
1075 max_ofdm->dsp_self_kill);
1076 pos += scnprintf(buf + pos, bufsz - pos,
1077 fmt_table, "mh_format_err:",
1078 le32_to_cpu(ofdm->mh_format_err),
1079 accum_ofdm->mh_format_err,
1080 delta_ofdm->mh_format_err,
1081 max_ofdm->mh_format_err);
1082 pos += scnprintf(buf + pos, bufsz - pos,
1083 fmt_table, "re_acq_main_rssi_sum:",
1084 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1085 accum_ofdm->re_acq_main_rssi_sum,
1086 delta_ofdm->re_acq_main_rssi_sum,
1087 max_ofdm->re_acq_main_rssi_sum);
1088
1089 pos += scnprintf(buf + pos, bufsz - pos,
1090 fmt_header, "Statistics_Rx - CCK:");
1091 pos += scnprintf(buf + pos, bufsz - pos,
1092 fmt_table, "ina_cnt:",
1093 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1094 delta_cck->ina_cnt, max_cck->ina_cnt);
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 fmt_table, "fina_cnt:",
1097 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1098 delta_cck->fina_cnt, max_cck->fina_cnt);
1099 pos += scnprintf(buf + pos, bufsz - pos,
1100 fmt_table, "plcp_err:",
1101 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1102 delta_cck->plcp_err, max_cck->plcp_err);
1103 pos += scnprintf(buf + pos, bufsz - pos,
1104 fmt_table, "crc32_err:",
1105 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1106 delta_cck->crc32_err, max_cck->crc32_err);
1107 pos += scnprintf(buf + pos, bufsz - pos,
1108 fmt_table, "overrun_err:",
1109 le32_to_cpu(cck->overrun_err),
1110 accum_cck->overrun_err, delta_cck->overrun_err,
1111 max_cck->overrun_err);
1112 pos += scnprintf(buf + pos, bufsz - pos,
1113 fmt_table, "early_overrun_err:",
1114 le32_to_cpu(cck->early_overrun_err),
1115 accum_cck->early_overrun_err,
1116 delta_cck->early_overrun_err,
1117 max_cck->early_overrun_err);
1118 pos += scnprintf(buf + pos, bufsz - pos,
1119 fmt_table, "crc32_good:",
1120 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1121 delta_cck->crc32_good, max_cck->crc32_good);
1122 pos += scnprintf(buf + pos, bufsz - pos,
1123 fmt_table, "false_alarm_cnt:",
1124 le32_to_cpu(cck->false_alarm_cnt),
1125 accum_cck->false_alarm_cnt,
1126 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1127 pos += scnprintf(buf + pos, bufsz - pos,
1128 fmt_table, "fina_sync_err_cnt:",
1129 le32_to_cpu(cck->fina_sync_err_cnt),
1130 accum_cck->fina_sync_err_cnt,
1131 delta_cck->fina_sync_err_cnt,
1132 max_cck->fina_sync_err_cnt);
1133 pos += scnprintf(buf + pos, bufsz - pos,
1134 fmt_table, "sfd_timeout:",
1135 le32_to_cpu(cck->sfd_timeout),
1136 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1137 max_cck->sfd_timeout);
1138 pos += scnprintf(buf + pos, bufsz - pos,
1139 fmt_table, "fina_timeout:",
1140 le32_to_cpu(cck->fina_timeout),
1141 accum_cck->fina_timeout, delta_cck->fina_timeout,
1142 max_cck->fina_timeout);
1143 pos += scnprintf(buf + pos, bufsz - pos,
1144 fmt_table, "unresponded_rts:",
1145 le32_to_cpu(cck->unresponded_rts),
1146 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1147 max_cck->unresponded_rts);
1148 pos += scnprintf(buf + pos, bufsz - pos,
1149 fmt_table, "rxe_frame_lmt_ovrun:",
1150 le32_to_cpu(cck->rxe_frame_limit_overrun),
1151 accum_cck->rxe_frame_limit_overrun,
1152 delta_cck->rxe_frame_limit_overrun,
1153 max_cck->rxe_frame_limit_overrun);
1154 pos += scnprintf(buf + pos, bufsz - pos,
1155 fmt_table, "sent_ack_cnt:",
1156 le32_to_cpu(cck->sent_ack_cnt),
1157 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1158 max_cck->sent_ack_cnt);
1159 pos += scnprintf(buf + pos, bufsz - pos,
1160 fmt_table, "sent_cts_cnt:",
1161 le32_to_cpu(cck->sent_cts_cnt),
1162 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1163 max_cck->sent_cts_cnt);
1164 pos += scnprintf(buf + pos, bufsz - pos,
1165 fmt_table, "sent_ba_rsp_cnt:",
1166 le32_to_cpu(cck->sent_ba_rsp_cnt),
1167 accum_cck->sent_ba_rsp_cnt,
1168 delta_cck->sent_ba_rsp_cnt,
1169 max_cck->sent_ba_rsp_cnt);
1170 pos += scnprintf(buf + pos, bufsz - pos,
1171 fmt_table, "dsp_self_kill:",
1172 le32_to_cpu(cck->dsp_self_kill),
1173 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1174 max_cck->dsp_self_kill);
1175 pos += scnprintf(buf + pos, bufsz - pos,
1176 fmt_table, "mh_format_err:",
1177 le32_to_cpu(cck->mh_format_err),
1178 accum_cck->mh_format_err, delta_cck->mh_format_err,
1179 max_cck->mh_format_err);
1180 pos += scnprintf(buf + pos, bufsz - pos,
1181 fmt_table, "re_acq_main_rssi_sum:",
1182 le32_to_cpu(cck->re_acq_main_rssi_sum),
1183 accum_cck->re_acq_main_rssi_sum,
1184 delta_cck->re_acq_main_rssi_sum,
1185 max_cck->re_acq_main_rssi_sum);
1186
1187 pos += scnprintf(buf + pos, bufsz - pos,
1188 fmt_header, "Statistics_Rx - GENERAL:");
1189 pos += scnprintf(buf + pos, bufsz - pos,
1190 fmt_table, "bogus_cts:",
1191 le32_to_cpu(general->bogus_cts),
1192 accum_general->bogus_cts, delta_general->bogus_cts,
1193 max_general->bogus_cts);
1194 pos += scnprintf(buf + pos, bufsz - pos,
1195 fmt_table, "bogus_ack:",
1196 le32_to_cpu(general->bogus_ack),
1197 accum_general->bogus_ack, delta_general->bogus_ack,
1198 max_general->bogus_ack);
1199 pos += scnprintf(buf + pos, bufsz - pos,
1200 fmt_table, "non_bssid_frames:",
1201 le32_to_cpu(general->non_bssid_frames),
1202 accum_general->non_bssid_frames,
1203 delta_general->non_bssid_frames,
1204 max_general->non_bssid_frames);
1205 pos += scnprintf(buf + pos, bufsz - pos,
1206 fmt_table, "filtered_frames:",
1207 le32_to_cpu(general->filtered_frames),
1208 accum_general->filtered_frames,
1209 delta_general->filtered_frames,
1210 max_general->filtered_frames);
1211 pos += scnprintf(buf + pos, bufsz - pos,
1212 fmt_table, "non_channel_beacons:",
1213 le32_to_cpu(general->non_channel_beacons),
1214 accum_general->non_channel_beacons,
1215 delta_general->non_channel_beacons,
1216 max_general->non_channel_beacons);
1217 pos += scnprintf(buf + pos, bufsz - pos,
1218 fmt_table, "channel_beacons:",
1219 le32_to_cpu(general->channel_beacons),
1220 accum_general->channel_beacons,
1221 delta_general->channel_beacons,
1222 max_general->channel_beacons);
1223 pos += scnprintf(buf + pos, bufsz - pos,
1224 fmt_table, "num_missed_bcon:",
1225 le32_to_cpu(general->num_missed_bcon),
1226 accum_general->num_missed_bcon,
1227 delta_general->num_missed_bcon,
1228 max_general->num_missed_bcon);
1229 pos += scnprintf(buf + pos, bufsz - pos,
1230 fmt_table, "adc_rx_saturation_time:",
1231 le32_to_cpu(general->adc_rx_saturation_time),
1232 accum_general->adc_rx_saturation_time,
1233 delta_general->adc_rx_saturation_time,
1234 max_general->adc_rx_saturation_time);
1235 pos += scnprintf(buf + pos, bufsz - pos,
1236 fmt_table, "ina_detect_search_tm:",
1237 le32_to_cpu(general->ina_detection_search_time),
1238 accum_general->ina_detection_search_time,
1239 delta_general->ina_detection_search_time,
1240 max_general->ina_detection_search_time);
1241 pos += scnprintf(buf + pos, bufsz - pos,
1242 fmt_table, "beacon_silence_rssi_a:",
1243 le32_to_cpu(general->beacon_silence_rssi_a),
1244 accum_general->beacon_silence_rssi_a,
1245 delta_general->beacon_silence_rssi_a,
1246 max_general->beacon_silence_rssi_a);
1247 pos += scnprintf(buf + pos, bufsz - pos,
1248 fmt_table, "beacon_silence_rssi_b:",
1249 le32_to_cpu(general->beacon_silence_rssi_b),
1250 accum_general->beacon_silence_rssi_b,
1251 delta_general->beacon_silence_rssi_b,
1252 max_general->beacon_silence_rssi_b);
1253 pos += scnprintf(buf + pos, bufsz - pos,
1254 fmt_table, "beacon_silence_rssi_c:",
1255 le32_to_cpu(general->beacon_silence_rssi_c),
1256 accum_general->beacon_silence_rssi_c,
1257 delta_general->beacon_silence_rssi_c,
1258 max_general->beacon_silence_rssi_c);
1259 pos += scnprintf(buf + pos, bufsz - pos,
1260 fmt_table, "interference_data_flag:",
1261 le32_to_cpu(general->interference_data_flag),
1262 accum_general->interference_data_flag,
1263 delta_general->interference_data_flag,
1264 max_general->interference_data_flag);
1265 pos += scnprintf(buf + pos, bufsz - pos,
1266 fmt_table, "channel_load:",
1267 le32_to_cpu(general->channel_load),
1268 accum_general->channel_load,
1269 delta_general->channel_load,
1270 max_general->channel_load);
1271 pos += scnprintf(buf + pos, bufsz - pos,
1272 fmt_table, "dsp_false_alarms:",
1273 le32_to_cpu(general->dsp_false_alarms),
1274 accum_general->dsp_false_alarms,
1275 delta_general->dsp_false_alarms,
1276 max_general->dsp_false_alarms);
1277 pos += scnprintf(buf + pos, bufsz - pos,
1278 fmt_table, "beacon_rssi_a:",
1279 le32_to_cpu(general->beacon_rssi_a),
1280 accum_general->beacon_rssi_a,
1281 delta_general->beacon_rssi_a,
1282 max_general->beacon_rssi_a);
1283 pos += scnprintf(buf + pos, bufsz - pos,
1284 fmt_table, "beacon_rssi_b:",
1285 le32_to_cpu(general->beacon_rssi_b),
1286 accum_general->beacon_rssi_b,
1287 delta_general->beacon_rssi_b,
1288 max_general->beacon_rssi_b);
1289 pos += scnprintf(buf + pos, bufsz - pos,
1290 fmt_table, "beacon_rssi_c:",
1291 le32_to_cpu(general->beacon_rssi_c),
1292 accum_general->beacon_rssi_c,
1293 delta_general->beacon_rssi_c,
1294 max_general->beacon_rssi_c);
1295 pos += scnprintf(buf + pos, bufsz - pos,
1296 fmt_table, "beacon_energy_a:",
1297 le32_to_cpu(general->beacon_energy_a),
1298 accum_general->beacon_energy_a,
1299 delta_general->beacon_energy_a,
1300 max_general->beacon_energy_a);
1301 pos += scnprintf(buf + pos, bufsz - pos,
1302 fmt_table, "beacon_energy_b:",
1303 le32_to_cpu(general->beacon_energy_b),
1304 accum_general->beacon_energy_b,
1305 delta_general->beacon_energy_b,
1306 max_general->beacon_energy_b);
1307 pos += scnprintf(buf + pos, bufsz - pos,
1308 fmt_table, "beacon_energy_c:",
1309 le32_to_cpu(general->beacon_energy_c),
1310 accum_general->beacon_energy_c,
1311 delta_general->beacon_energy_c,
1312 max_general->beacon_energy_c);
1313
1314 pos += scnprintf(buf + pos, bufsz - pos,
1315 fmt_header, "Statistics_Rx - OFDM_HT:");
1316 pos += scnprintf(buf + pos, bufsz - pos,
1317 fmt_table, "plcp_err:",
1318 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1319 delta_ht->plcp_err, max_ht->plcp_err);
1320 pos += scnprintf(buf + pos, bufsz - pos,
1321 fmt_table, "overrun_err:",
1322 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1323 delta_ht->overrun_err, max_ht->overrun_err);
1324 pos += scnprintf(buf + pos, bufsz - pos,
1325 fmt_table, "early_overrun_err:",
1326 le32_to_cpu(ht->early_overrun_err),
1327 accum_ht->early_overrun_err,
1328 delta_ht->early_overrun_err,
1329 max_ht->early_overrun_err);
1330 pos += scnprintf(buf + pos, bufsz - pos,
1331 fmt_table, "crc32_good:",
1332 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1333 delta_ht->crc32_good, max_ht->crc32_good);
1334 pos += scnprintf(buf + pos, bufsz - pos,
1335 fmt_table, "crc32_err:",
1336 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1337 delta_ht->crc32_err, max_ht->crc32_err);
1338 pos += scnprintf(buf + pos, bufsz - pos,
1339 fmt_table, "mh_format_err:",
1340 le32_to_cpu(ht->mh_format_err),
1341 accum_ht->mh_format_err,
1342 delta_ht->mh_format_err, max_ht->mh_format_err);
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 fmt_table, "agg_crc32_good:",
1345 le32_to_cpu(ht->agg_crc32_good),
1346 accum_ht->agg_crc32_good,
1347 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1348 pos += scnprintf(buf + pos, bufsz - pos,
1349 fmt_table, "agg_mpdu_cnt:",
1350 le32_to_cpu(ht->agg_mpdu_cnt),
1351 accum_ht->agg_mpdu_cnt,
1352 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1353 pos += scnprintf(buf + pos, bufsz - pos,
1354 fmt_table, "agg_cnt:",
1355 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1356 delta_ht->agg_cnt, max_ht->agg_cnt);
1357 pos += scnprintf(buf + pos, bufsz - pos,
1358 fmt_table, "unsupport_mcs:",
1359 le32_to_cpu(ht->unsupport_mcs),
1360 accum_ht->unsupport_mcs,
1361 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1362
1363 spin_unlock_bh(&priv->statistics.lock);
1364
1365 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1366 kfree(buf);
1367 return ret;
1368 }
1369
1370 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1371 char __user *user_buf,
1372 size_t count, loff_t *ppos)
1373 {
1374 struct iwl_priv *priv = file->private_data;
1375 int pos = 0;
1376 char *buf;
1377 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1378 ssize_t ret;
1379 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1380
1381 if (!iwl_is_alive(priv))
1382 return -EAGAIN;
1383
1384 buf = kzalloc(bufsz, GFP_KERNEL);
1385 if (!buf) {
1386 IWL_ERR(priv, "Can not allocate Buffer\n");
1387 return -ENOMEM;
1388 }
1389
1390 /* the statistic information display here is based on
1391 * the last statistics notification from uCode
1392 * might not reflect the current uCode activity
1393 */
1394 spin_lock_bh(&priv->statistics.lock);
1395
1396 tx = &priv->statistics.tx;
1397 accum_tx = &priv->accum_stats.tx;
1398 delta_tx = &priv->delta_stats.tx;
1399 max_tx = &priv->max_delta_stats.tx;
1400
1401 pos += iwl_statistics_flag(priv, buf, bufsz);
1402 pos += scnprintf(buf + pos, bufsz - pos,
1403 fmt_header, "Statistics_Tx:");
1404 pos += scnprintf(buf + pos, bufsz - pos,
1405 fmt_table, "preamble:",
1406 le32_to_cpu(tx->preamble_cnt),
1407 accum_tx->preamble_cnt,
1408 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1409 pos += scnprintf(buf + pos, bufsz - pos,
1410 fmt_table, "rx_detected_cnt:",
1411 le32_to_cpu(tx->rx_detected_cnt),
1412 accum_tx->rx_detected_cnt,
1413 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1414 pos += scnprintf(buf + pos, bufsz - pos,
1415 fmt_table, "bt_prio_defer_cnt:",
1416 le32_to_cpu(tx->bt_prio_defer_cnt),
1417 accum_tx->bt_prio_defer_cnt,
1418 delta_tx->bt_prio_defer_cnt,
1419 max_tx->bt_prio_defer_cnt);
1420 pos += scnprintf(buf + pos, bufsz - pos,
1421 fmt_table, "bt_prio_kill_cnt:",
1422 le32_to_cpu(tx->bt_prio_kill_cnt),
1423 accum_tx->bt_prio_kill_cnt,
1424 delta_tx->bt_prio_kill_cnt,
1425 max_tx->bt_prio_kill_cnt);
1426 pos += scnprintf(buf + pos, bufsz - pos,
1427 fmt_table, "few_bytes_cnt:",
1428 le32_to_cpu(tx->few_bytes_cnt),
1429 accum_tx->few_bytes_cnt,
1430 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1431 pos += scnprintf(buf + pos, bufsz - pos,
1432 fmt_table, "cts_timeout:",
1433 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1434 delta_tx->cts_timeout, max_tx->cts_timeout);
1435 pos += scnprintf(buf + pos, bufsz - pos,
1436 fmt_table, "ack_timeout:",
1437 le32_to_cpu(tx->ack_timeout),
1438 accum_tx->ack_timeout,
1439 delta_tx->ack_timeout, max_tx->ack_timeout);
1440 pos += scnprintf(buf + pos, bufsz - pos,
1441 fmt_table, "expected_ack_cnt:",
1442 le32_to_cpu(tx->expected_ack_cnt),
1443 accum_tx->expected_ack_cnt,
1444 delta_tx->expected_ack_cnt,
1445 max_tx->expected_ack_cnt);
1446 pos += scnprintf(buf + pos, bufsz - pos,
1447 fmt_table, "actual_ack_cnt:",
1448 le32_to_cpu(tx->actual_ack_cnt),
1449 accum_tx->actual_ack_cnt,
1450 delta_tx->actual_ack_cnt,
1451 max_tx->actual_ack_cnt);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 fmt_table, "dump_msdu_cnt:",
1454 le32_to_cpu(tx->dump_msdu_cnt),
1455 accum_tx->dump_msdu_cnt,
1456 delta_tx->dump_msdu_cnt,
1457 max_tx->dump_msdu_cnt);
1458 pos += scnprintf(buf + pos, bufsz - pos,
1459 fmt_table, "abort_nxt_frame_mismatch:",
1460 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1461 accum_tx->burst_abort_next_frame_mismatch_cnt,
1462 delta_tx->burst_abort_next_frame_mismatch_cnt,
1463 max_tx->burst_abort_next_frame_mismatch_cnt);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 fmt_table, "abort_missing_nxt_frame:",
1466 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1467 accum_tx->burst_abort_missing_next_frame_cnt,
1468 delta_tx->burst_abort_missing_next_frame_cnt,
1469 max_tx->burst_abort_missing_next_frame_cnt);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 fmt_table, "cts_timeout_collision:",
1472 le32_to_cpu(tx->cts_timeout_collision),
1473 accum_tx->cts_timeout_collision,
1474 delta_tx->cts_timeout_collision,
1475 max_tx->cts_timeout_collision);
1476 pos += scnprintf(buf + pos, bufsz - pos,
1477 fmt_table, "ack_ba_timeout_collision:",
1478 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1479 accum_tx->ack_or_ba_timeout_collision,
1480 delta_tx->ack_or_ba_timeout_collision,
1481 max_tx->ack_or_ba_timeout_collision);
1482 pos += scnprintf(buf + pos, bufsz - pos,
1483 fmt_table, "agg ba_timeout:",
1484 le32_to_cpu(tx->agg.ba_timeout),
1485 accum_tx->agg.ba_timeout,
1486 delta_tx->agg.ba_timeout,
1487 max_tx->agg.ba_timeout);
1488 pos += scnprintf(buf + pos, bufsz - pos,
1489 fmt_table, "agg ba_resched_frames:",
1490 le32_to_cpu(tx->agg.ba_reschedule_frames),
1491 accum_tx->agg.ba_reschedule_frames,
1492 delta_tx->agg.ba_reschedule_frames,
1493 max_tx->agg.ba_reschedule_frames);
1494 pos += scnprintf(buf + pos, bufsz - pos,
1495 fmt_table, "agg scd_query_agg_frame:",
1496 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1497 accum_tx->agg.scd_query_agg_frame_cnt,
1498 delta_tx->agg.scd_query_agg_frame_cnt,
1499 max_tx->agg.scd_query_agg_frame_cnt);
1500 pos += scnprintf(buf + pos, bufsz - pos,
1501 fmt_table, "agg scd_query_no_agg:",
1502 le32_to_cpu(tx->agg.scd_query_no_agg),
1503 accum_tx->agg.scd_query_no_agg,
1504 delta_tx->agg.scd_query_no_agg,
1505 max_tx->agg.scd_query_no_agg);
1506 pos += scnprintf(buf + pos, bufsz - pos,
1507 fmt_table, "agg scd_query_agg:",
1508 le32_to_cpu(tx->agg.scd_query_agg),
1509 accum_tx->agg.scd_query_agg,
1510 delta_tx->agg.scd_query_agg,
1511 max_tx->agg.scd_query_agg);
1512 pos += scnprintf(buf + pos, bufsz - pos,
1513 fmt_table, "agg scd_query_mismatch:",
1514 le32_to_cpu(tx->agg.scd_query_mismatch),
1515 accum_tx->agg.scd_query_mismatch,
1516 delta_tx->agg.scd_query_mismatch,
1517 max_tx->agg.scd_query_mismatch);
1518 pos += scnprintf(buf + pos, bufsz - pos,
1519 fmt_table, "agg frame_not_ready:",
1520 le32_to_cpu(tx->agg.frame_not_ready),
1521 accum_tx->agg.frame_not_ready,
1522 delta_tx->agg.frame_not_ready,
1523 max_tx->agg.frame_not_ready);
1524 pos += scnprintf(buf + pos, bufsz - pos,
1525 fmt_table, "agg underrun:",
1526 le32_to_cpu(tx->agg.underrun),
1527 accum_tx->agg.underrun,
1528 delta_tx->agg.underrun, max_tx->agg.underrun);
1529 pos += scnprintf(buf + pos, bufsz - pos,
1530 fmt_table, "agg bt_prio_kill:",
1531 le32_to_cpu(tx->agg.bt_prio_kill),
1532 accum_tx->agg.bt_prio_kill,
1533 delta_tx->agg.bt_prio_kill,
1534 max_tx->agg.bt_prio_kill);
1535 pos += scnprintf(buf + pos, bufsz - pos,
1536 fmt_table, "agg rx_ba_rsp_cnt:",
1537 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1538 accum_tx->agg.rx_ba_rsp_cnt,
1539 delta_tx->agg.rx_ba_rsp_cnt,
1540 max_tx->agg.rx_ba_rsp_cnt);
1541
1542 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1543 pos += scnprintf(buf + pos, bufsz - pos,
1544 "tx power: (1/2 dB step)\n");
1545 if ((hw_params(priv).valid_tx_ant & ANT_A) &&
1546 tx->tx_power.ant_a)
1547 pos += scnprintf(buf + pos, bufsz - pos,
1548 fmt_hex, "antenna A:",
1549 tx->tx_power.ant_a);
1550 if ((hw_params(priv).valid_tx_ant & ANT_B) &&
1551 tx->tx_power.ant_b)
1552 pos += scnprintf(buf + pos, bufsz - pos,
1553 fmt_hex, "antenna B:",
1554 tx->tx_power.ant_b);
1555 if ((hw_params(priv).valid_tx_ant & ANT_C) &&
1556 tx->tx_power.ant_c)
1557 pos += scnprintf(buf + pos, bufsz - pos,
1558 fmt_hex, "antenna C:",
1559 tx->tx_power.ant_c);
1560 }
1561
1562 spin_unlock_bh(&priv->statistics.lock);
1563
1564 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1565 kfree(buf);
1566 return ret;
1567 }
1568
1569 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1570 char __user *user_buf,
1571 size_t count, loff_t *ppos)
1572 {
1573 struct iwl_priv *priv = file->private_data;
1574 int pos = 0;
1575 char *buf;
1576 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1577 ssize_t ret;
1578 struct statistics_general_common *general, *accum_general;
1579 struct statistics_general_common *delta_general, *max_general;
1580 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1581 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1582
1583 if (!iwl_is_alive(priv))
1584 return -EAGAIN;
1585
1586 buf = kzalloc(bufsz, GFP_KERNEL);
1587 if (!buf) {
1588 IWL_ERR(priv, "Can not allocate Buffer\n");
1589 return -ENOMEM;
1590 }
1591
1592 /* the statistic information display here is based on
1593 * the last statistics notification from uCode
1594 * might not reflect the current uCode activity
1595 */
1596
1597 spin_lock_bh(&priv->statistics.lock);
1598
1599 general = &priv->statistics.common;
1600 dbg = &priv->statistics.common.dbg;
1601 div = &priv->statistics.common.div;
1602 accum_general = &priv->accum_stats.common;
1603 accum_dbg = &priv->accum_stats.common.dbg;
1604 accum_div = &priv->accum_stats.common.div;
1605 delta_general = &priv->delta_stats.common;
1606 max_general = &priv->max_delta_stats.common;
1607 delta_dbg = &priv->delta_stats.common.dbg;
1608 max_dbg = &priv->max_delta_stats.common.dbg;
1609 delta_div = &priv->delta_stats.common.div;
1610 max_div = &priv->max_delta_stats.common.div;
1611
1612 pos += iwl_statistics_flag(priv, buf, bufsz);
1613 pos += scnprintf(buf + pos, bufsz - pos,
1614 fmt_header, "Statistics_General:");
1615 pos += scnprintf(buf + pos, bufsz - pos,
1616 fmt_value, "temperature:",
1617 le32_to_cpu(general->temperature));
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 fmt_value, "temperature_m:",
1620 le32_to_cpu(general->temperature_m));
1621 pos += scnprintf(buf + pos, bufsz - pos,
1622 fmt_value, "ttl_timestamp:",
1623 le32_to_cpu(general->ttl_timestamp));
1624 pos += scnprintf(buf + pos, bufsz - pos,
1625 fmt_table, "burst_check:",
1626 le32_to_cpu(dbg->burst_check),
1627 accum_dbg->burst_check,
1628 delta_dbg->burst_check, max_dbg->burst_check);
1629 pos += scnprintf(buf + pos, bufsz - pos,
1630 fmt_table, "burst_count:",
1631 le32_to_cpu(dbg->burst_count),
1632 accum_dbg->burst_count,
1633 delta_dbg->burst_count, max_dbg->burst_count);
1634 pos += scnprintf(buf + pos, bufsz - pos,
1635 fmt_table, "wait_for_silence_timeout_count:",
1636 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1637 accum_dbg->wait_for_silence_timeout_cnt,
1638 delta_dbg->wait_for_silence_timeout_cnt,
1639 max_dbg->wait_for_silence_timeout_cnt);
1640 pos += scnprintf(buf + pos, bufsz - pos,
1641 fmt_table, "sleep_time:",
1642 le32_to_cpu(general->sleep_time),
1643 accum_general->sleep_time,
1644 delta_general->sleep_time, max_general->sleep_time);
1645 pos += scnprintf(buf + pos, bufsz - pos,
1646 fmt_table, "slots_out:",
1647 le32_to_cpu(general->slots_out),
1648 accum_general->slots_out,
1649 delta_general->slots_out, max_general->slots_out);
1650 pos += scnprintf(buf + pos, bufsz - pos,
1651 fmt_table, "slots_idle:",
1652 le32_to_cpu(general->slots_idle),
1653 accum_general->slots_idle,
1654 delta_general->slots_idle, max_general->slots_idle);
1655 pos += scnprintf(buf + pos, bufsz - pos,
1656 fmt_table, "tx_on_a:",
1657 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1658 delta_div->tx_on_a, max_div->tx_on_a);
1659 pos += scnprintf(buf + pos, bufsz - pos,
1660 fmt_table, "tx_on_b:",
1661 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1662 delta_div->tx_on_b, max_div->tx_on_b);
1663 pos += scnprintf(buf + pos, bufsz - pos,
1664 fmt_table, "exec_time:",
1665 le32_to_cpu(div->exec_time), accum_div->exec_time,
1666 delta_div->exec_time, max_div->exec_time);
1667 pos += scnprintf(buf + pos, bufsz - pos,
1668 fmt_table, "probe_time:",
1669 le32_to_cpu(div->probe_time), accum_div->probe_time,
1670 delta_div->probe_time, max_div->probe_time);
1671 pos += scnprintf(buf + pos, bufsz - pos,
1672 fmt_table, "rx_enable_counter:",
1673 le32_to_cpu(general->rx_enable_counter),
1674 accum_general->rx_enable_counter,
1675 delta_general->rx_enable_counter,
1676 max_general->rx_enable_counter);
1677 pos += scnprintf(buf + pos, bufsz - pos,
1678 fmt_table, "num_of_sos_states:",
1679 le32_to_cpu(general->num_of_sos_states),
1680 accum_general->num_of_sos_states,
1681 delta_general->num_of_sos_states,
1682 max_general->num_of_sos_states);
1683
1684 spin_unlock_bh(&priv->statistics.lock);
1685
1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687 kfree(buf);
1688 return ret;
1689 }
1690
1691 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1692 char __user *user_buf,
1693 size_t count, loff_t *ppos)
1694 {
1695 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1696 int pos = 0;
1697 char *buf;
1698 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1699 ssize_t ret;
1700 struct statistics_bt_activity *bt, *accum_bt;
1701
1702 if (!iwl_is_alive(priv))
1703 return -EAGAIN;
1704
1705 if (!priv->bt_enable_flag)
1706 return -EINVAL;
1707
1708 /* make request to uCode to retrieve statistics information */
1709 mutex_lock(&priv->mutex);
1710 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1711 mutex_unlock(&priv->mutex);
1712
1713 if (ret) {
1714 IWL_ERR(priv,
1715 "Error sending statistics request: %zd\n", ret);
1716 return -EAGAIN;
1717 }
1718 buf = kzalloc(bufsz, GFP_KERNEL);
1719 if (!buf) {
1720 IWL_ERR(priv, "Can not allocate Buffer\n");
1721 return -ENOMEM;
1722 }
1723
1724 /*
1725 * the statistic information display here is based on
1726 * the last statistics notification from uCode
1727 * might not reflect the current uCode activity
1728 */
1729
1730 spin_lock_bh(&priv->statistics.lock);
1731
1732 bt = &priv->statistics.bt_activity;
1733 accum_bt = &priv->accum_stats.bt_activity;
1734
1735 pos += iwl_statistics_flag(priv, buf, bufsz);
1736 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1737 pos += scnprintf(buf + pos, bufsz - pos,
1738 "\t\t\tcurrent\t\t\taccumulative\n");
1739 pos += scnprintf(buf + pos, bufsz - pos,
1740 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1741 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1742 accum_bt->hi_priority_tx_req_cnt);
1743 pos += scnprintf(buf + pos, bufsz - pos,
1744 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1745 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1746 accum_bt->hi_priority_tx_denied_cnt);
1747 pos += scnprintf(buf + pos, bufsz - pos,
1748 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1749 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1750 accum_bt->lo_priority_tx_req_cnt);
1751 pos += scnprintf(buf + pos, bufsz - pos,
1752 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1753 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1754 accum_bt->lo_priority_tx_denied_cnt);
1755 pos += scnprintf(buf + pos, bufsz - pos,
1756 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1757 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1758 accum_bt->hi_priority_rx_req_cnt);
1759 pos += scnprintf(buf + pos, bufsz - pos,
1760 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1761 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1762 accum_bt->hi_priority_rx_denied_cnt);
1763 pos += scnprintf(buf + pos, bufsz - pos,
1764 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1765 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1766 accum_bt->lo_priority_rx_req_cnt);
1767 pos += scnprintf(buf + pos, bufsz - pos,
1768 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1769 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1770 accum_bt->lo_priority_rx_denied_cnt);
1771
1772 pos += scnprintf(buf + pos, bufsz - pos,
1773 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1774 le32_to_cpu(priv->statistics.num_bt_kills),
1775 priv->statistics.accum_num_bt_kills);
1776
1777 spin_unlock_bh(&priv->statistics.lock);
1778
1779 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1780 kfree(buf);
1781 return ret;
1782 }
1783
1784 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1785 char __user *user_buf,
1786 size_t count, loff_t *ppos)
1787 {
1788 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1789 int pos = 0;
1790 char *buf;
1791 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1792 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1793 ssize_t ret;
1794
1795 if (!iwl_is_alive(priv))
1796 return -EAGAIN;
1797
1798 buf = kzalloc(bufsz, GFP_KERNEL);
1799 if (!buf) {
1800 IWL_ERR(priv, "Can not allocate Buffer\n");
1801 return -ENOMEM;
1802 }
1803
1804 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1805 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1806 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1807 priv->reply_tx_stats.pp_delay);
1808 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1809 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1810 priv->reply_tx_stats.pp_few_bytes);
1811 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1812 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1813 priv->reply_tx_stats.pp_bt_prio);
1814 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1815 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1816 priv->reply_tx_stats.pp_quiet_period);
1817 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1818 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1819 priv->reply_tx_stats.pp_calc_ttak);
1820 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1821 iwl_get_tx_fail_reason(
1822 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1823 priv->reply_tx_stats.int_crossed_retry);
1824 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1825 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1826 priv->reply_tx_stats.short_limit);
1827 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1828 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1829 priv->reply_tx_stats.long_limit);
1830 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1831 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1832 priv->reply_tx_stats.fifo_underrun);
1833 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1834 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1835 priv->reply_tx_stats.drain_flow);
1836 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1837 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1838 priv->reply_tx_stats.rfkill_flush);
1839 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1840 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1841 priv->reply_tx_stats.life_expire);
1842 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1843 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1844 priv->reply_tx_stats.dest_ps);
1845 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1846 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1847 priv->reply_tx_stats.host_abort);
1848 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1849 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1850 priv->reply_tx_stats.pp_delay);
1851 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1852 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1853 priv->reply_tx_stats.sta_invalid);
1854 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1855 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1856 priv->reply_tx_stats.frag_drop);
1857 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1858 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1859 priv->reply_tx_stats.tid_disable);
1860 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1861 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1862 priv->reply_tx_stats.fifo_flush);
1863 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1864 iwl_get_tx_fail_reason(
1865 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1866 priv->reply_tx_stats.insuff_cf_poll);
1867 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1868 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1869 priv->reply_tx_stats.fail_hw_drop);
1870 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1871 iwl_get_tx_fail_reason(
1872 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1873 priv->reply_tx_stats.sta_color_mismatch);
1874 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1875 priv->reply_tx_stats.unknown);
1876
1877 pos += scnprintf(buf + pos, bufsz - pos,
1878 "\nStatistics_Agg_TX_Error:\n");
1879
1880 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1881 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1882 priv->reply_agg_tx_stats.underrun);
1883 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1884 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1885 priv->reply_agg_tx_stats.bt_prio);
1886 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1887 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1888 priv->reply_agg_tx_stats.few_bytes);
1889 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1890 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1891 priv->reply_agg_tx_stats.abort);
1892 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1893 iwl_get_agg_tx_fail_reason(
1894 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1895 priv->reply_agg_tx_stats.last_sent_ttl);
1896 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1897 iwl_get_agg_tx_fail_reason(
1898 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1899 priv->reply_agg_tx_stats.last_sent_try);
1900 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1901 iwl_get_agg_tx_fail_reason(
1902 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1903 priv->reply_agg_tx_stats.last_sent_bt_kill);
1904 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1905 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1906 priv->reply_agg_tx_stats.scd_query);
1907 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1908 iwl_get_agg_tx_fail_reason(
1909 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1910 priv->reply_agg_tx_stats.bad_crc32);
1911 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1912 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1913 priv->reply_agg_tx_stats.response);
1914 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1915 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1916 priv->reply_agg_tx_stats.dump_tx);
1917 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1918 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1919 priv->reply_agg_tx_stats.delay_tx);
1920 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1921 priv->reply_agg_tx_stats.unknown);
1922
1923 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1924 kfree(buf);
1925 return ret;
1926 }
1927
1928 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1929 char __user *user_buf,
1930 size_t count, loff_t *ppos) {
1931
1932 struct iwl_priv *priv = file->private_data;
1933 int pos = 0;
1934 int cnt = 0;
1935 char *buf;
1936 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1937 ssize_t ret;
1938 struct iwl_sensitivity_data *data;
1939
1940 data = &priv->sensitivity_data;
1941 buf = kzalloc(bufsz, GFP_KERNEL);
1942 if (!buf) {
1943 IWL_ERR(priv, "Can not allocate Buffer\n");
1944 return -ENOMEM;
1945 }
1946
1947 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1948 data->auto_corr_ofdm);
1949 pos += scnprintf(buf + pos, bufsz - pos,
1950 "auto_corr_ofdm_mrc:\t\t %u\n",
1951 data->auto_corr_ofdm_mrc);
1952 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1953 data->auto_corr_ofdm_x1);
1954 pos += scnprintf(buf + pos, bufsz - pos,
1955 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1956 data->auto_corr_ofdm_mrc_x1);
1957 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1958 data->auto_corr_cck);
1959 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1960 data->auto_corr_cck_mrc);
1961 pos += scnprintf(buf + pos, bufsz - pos,
1962 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1963 data->last_bad_plcp_cnt_ofdm);
1964 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1965 data->last_fa_cnt_ofdm);
1966 pos += scnprintf(buf + pos, bufsz - pos,
1967 "last_bad_plcp_cnt_cck:\t\t %u\n",
1968 data->last_bad_plcp_cnt_cck);
1969 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1970 data->last_fa_cnt_cck);
1971 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1972 data->nrg_curr_state);
1973 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1974 data->nrg_prev_state);
1975 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1976 for (cnt = 0; cnt < 10; cnt++) {
1977 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1978 data->nrg_value[cnt]);
1979 }
1980 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1981 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1982 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1983 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1984 data->nrg_silence_rssi[cnt]);
1985 }
1986 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1987 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1988 data->nrg_silence_ref);
1989 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1990 data->nrg_energy_idx);
1991 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1992 data->nrg_silence_idx);
1993 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1994 data->nrg_th_cck);
1995 pos += scnprintf(buf + pos, bufsz - pos,
1996 "nrg_auto_corr_silence_diff:\t %u\n",
1997 data->nrg_auto_corr_silence_diff);
1998 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1999 data->num_in_cck_no_fa);
2000 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2001 data->nrg_th_ofdm);
2002
2003 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2004 kfree(buf);
2005 return ret;
2006 }
2007
2008
2009 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2010 char __user *user_buf,
2011 size_t count, loff_t *ppos) {
2012
2013 struct iwl_priv *priv = file->private_data;
2014 int pos = 0;
2015 int cnt = 0;
2016 char *buf;
2017 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2018 ssize_t ret;
2019 struct iwl_chain_noise_data *data;
2020
2021 data = &priv->chain_noise_data;
2022 buf = kzalloc(bufsz, GFP_KERNEL);
2023 if (!buf) {
2024 IWL_ERR(priv, "Can not allocate Buffer\n");
2025 return -ENOMEM;
2026 }
2027
2028 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2029 data->active_chains);
2030 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2031 data->chain_noise_a);
2032 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2033 data->chain_noise_b);
2034 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2035 data->chain_noise_c);
2036 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2037 data->chain_signal_a);
2038 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2039 data->chain_signal_b);
2040 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2041 data->chain_signal_c);
2042 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2043 data->beacon_count);
2044
2045 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2046 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2047 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2048 data->disconn_array[cnt]);
2049 }
2050 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2051 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2052 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2053 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2054 data->delta_gain_code[cnt]);
2055 }
2056 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2057 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2058 data->radio_write);
2059 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2060 data->state);
2061
2062 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2063 kfree(buf);
2064 return ret;
2065 }
2066
2067 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2068 char __user *user_buf,
2069 size_t count, loff_t *ppos)
2070 {
2071 struct iwl_priv *priv = file->private_data;
2072 char buf[60];
2073 int pos = 0;
2074 const size_t bufsz = sizeof(buf);
2075 u32 pwrsave_status;
2076
2077 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) &
2078 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2079
2080 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2081 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2082 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2083 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2084 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2085 "error");
2086
2087 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2088 }
2089
2090 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2091 const char __user *user_buf,
2092 size_t count, loff_t *ppos)
2093 {
2094 struct iwl_priv *priv = file->private_data;
2095 char buf[8];
2096 int buf_size;
2097 int clear;
2098
2099 memset(buf, 0, sizeof(buf));
2100 buf_size = min(count, sizeof(buf) - 1);
2101 if (copy_from_user(buf, user_buf, buf_size))
2102 return -EFAULT;
2103 if (sscanf(buf, "%d", &clear) != 1)
2104 return -EFAULT;
2105
2106 /* make request to uCode to retrieve statistics information */
2107 mutex_lock(&priv->mutex);
2108 iwl_send_statistics_request(priv, CMD_SYNC, true);
2109 mutex_unlock(&priv->mutex);
2110
2111 return count;
2112 }
2113
2114 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2115 char __user *user_buf,
2116 size_t count, loff_t *ppos) {
2117
2118 struct iwl_priv *priv = file->private_data;
2119 int pos = 0;
2120 char buf[128];
2121 const size_t bufsz = sizeof(buf);
2122
2123 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2124 priv->event_log.ucode_trace ? "On" : "Off");
2125 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2126 priv->event_log.non_wraps_count);
2127 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2128 priv->event_log.wraps_once_count);
2129 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2130 priv->event_log.wraps_more_count);
2131
2132 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2133 }
2134
2135 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2136 const char __user *user_buf,
2137 size_t count, loff_t *ppos)
2138 {
2139 struct iwl_priv *priv = file->private_data;
2140 char buf[8];
2141 int buf_size;
2142 int trace;
2143
2144 memset(buf, 0, sizeof(buf));
2145 buf_size = min(count, sizeof(buf) - 1);
2146 if (copy_from_user(buf, user_buf, buf_size))
2147 return -EFAULT;
2148 if (sscanf(buf, "%d", &trace) != 1)
2149 return -EFAULT;
2150
2151 if (trace) {
2152 priv->event_log.ucode_trace = true;
2153 if (iwl_is_alive(priv)) {
2154 /* start collecting data now */
2155 mod_timer(&priv->ucode_trace, jiffies);
2156 }
2157 } else {
2158 priv->event_log.ucode_trace = false;
2159 del_timer_sync(&priv->ucode_trace);
2160 }
2161
2162 return count;
2163 }
2164
2165 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2166 char __user *user_buf,
2167 size_t count, loff_t *ppos) {
2168
2169 struct iwl_priv *priv = file->private_data;
2170 int len = 0;
2171 char buf[20];
2172
2173 len = sprintf(buf, "0x%04X\n",
2174 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2175 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2176 }
2177
2178 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2179 char __user *user_buf,
2180 size_t count, loff_t *ppos) {
2181
2182 struct iwl_priv *priv = file->private_data;
2183 int len = 0;
2184 char buf[20];
2185
2186 len = sprintf(buf, "0x%04X\n",
2187 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2188 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2189 }
2190
2191 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2192 char __user *user_buf,
2193 size_t count, loff_t *ppos) {
2194
2195 struct iwl_priv *priv = file->private_data;
2196 int pos = 0;
2197 char buf[12];
2198 const size_t bufsz = sizeof(buf);
2199
2200 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2201 priv->missed_beacon_threshold);
2202
2203 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2204 }
2205
2206 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2207 const char __user *user_buf,
2208 size_t count, loff_t *ppos)
2209 {
2210 struct iwl_priv *priv = file->private_data;
2211 char buf[8];
2212 int buf_size;
2213 int missed;
2214
2215 memset(buf, 0, sizeof(buf));
2216 buf_size = min(count, sizeof(buf) - 1);
2217 if (copy_from_user(buf, user_buf, buf_size))
2218 return -EFAULT;
2219 if (sscanf(buf, "%d", &missed) != 1)
2220 return -EINVAL;
2221
2222 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2223 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2224 priv->missed_beacon_threshold =
2225 IWL_MISSED_BEACON_THRESHOLD_DEF;
2226 else
2227 priv->missed_beacon_threshold = missed;
2228
2229 return count;
2230 }
2231
2232 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2233 char __user *user_buf,
2234 size_t count, loff_t *ppos) {
2235
2236 struct iwl_priv *priv = file->private_data;
2237 int pos = 0;
2238 char buf[12];
2239 const size_t bufsz = sizeof(buf);
2240
2241 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2242 priv->plcp_delta_threshold);
2243
2244 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2245 }
2246
2247 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2248 const char __user *user_buf,
2249 size_t count, loff_t *ppos) {
2250
2251 struct iwl_priv *priv = file->private_data;
2252 char buf[8];
2253 int buf_size;
2254 int plcp;
2255
2256 memset(buf, 0, sizeof(buf));
2257 buf_size = min(count, sizeof(buf) - 1);
2258 if (copy_from_user(buf, user_buf, buf_size))
2259 return -EFAULT;
2260 if (sscanf(buf, "%d", &plcp) != 1)
2261 return -EINVAL;
2262 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2263 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2264 priv->plcp_delta_threshold =
2265 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2266 else
2267 priv->plcp_delta_threshold = plcp;
2268 return count;
2269 }
2270
2271 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2272 char __user *user_buf,
2273 size_t count, loff_t *ppos)
2274 {
2275 struct iwl_priv *priv = file->private_data;
2276 int i, pos = 0;
2277 char buf[300];
2278 const size_t bufsz = sizeof(buf);
2279 struct iwl_force_reset *force_reset;
2280
2281 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2282 force_reset = &priv->force_reset[i];
2283 pos += scnprintf(buf + pos, bufsz - pos,
2284 "Force reset method %d\n", i);
2285 pos += scnprintf(buf + pos, bufsz - pos,
2286 "\tnumber of reset request: %d\n",
2287 force_reset->reset_request_count);
2288 pos += scnprintf(buf + pos, bufsz - pos,
2289 "\tnumber of reset request success: %d\n",
2290 force_reset->reset_success_count);
2291 pos += scnprintf(buf + pos, bufsz - pos,
2292 "\tnumber of reset request reject: %d\n",
2293 force_reset->reset_reject_count);
2294 pos += scnprintf(buf + pos, bufsz - pos,
2295 "\treset duration: %lu\n",
2296 force_reset->reset_duration);
2297 }
2298 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2299 }
2300
2301 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2302 const char __user *user_buf,
2303 size_t count, loff_t *ppos) {
2304
2305 struct iwl_priv *priv = file->private_data;
2306 char buf[8];
2307 int buf_size;
2308 int reset, ret;
2309
2310 memset(buf, 0, sizeof(buf));
2311 buf_size = min(count, sizeof(buf) - 1);
2312 if (copy_from_user(buf, user_buf, buf_size))
2313 return -EFAULT;
2314 if (sscanf(buf, "%d", &reset) != 1)
2315 return -EINVAL;
2316 switch (reset) {
2317 case IWL_RF_RESET:
2318 case IWL_FW_RESET:
2319 ret = iwl_force_reset(priv, reset, true);
2320 break;
2321 default:
2322 return -EINVAL;
2323 }
2324 return ret ? ret : count;
2325 }
2326
2327 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2328 const char __user *user_buf,
2329 size_t count, loff_t *ppos) {
2330
2331 struct iwl_priv *priv = file->private_data;
2332 char buf[8];
2333 int buf_size;
2334 int flush;
2335
2336 memset(buf, 0, sizeof(buf));
2337 buf_size = min(count, sizeof(buf) - 1);
2338 if (copy_from_user(buf, user_buf, buf_size))
2339 return -EFAULT;
2340 if (sscanf(buf, "%d", &flush) != 1)
2341 return -EINVAL;
2342
2343 if (iwl_is_rfkill(priv))
2344 return -EFAULT;
2345
2346 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2347
2348 return count;
2349 }
2350
2351 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2352 const char __user *user_buf,
2353 size_t count, loff_t *ppos)
2354 {
2355 struct iwl_priv *priv = file->private_data;
2356 char buf[8];
2357 int buf_size;
2358 int timeout;
2359
2360 memset(buf, 0, sizeof(buf));
2361 buf_size = min(count, sizeof(buf) - 1);
2362 if (copy_from_user(buf, user_buf, buf_size))
2363 return -EFAULT;
2364 if (sscanf(buf, "%d", &timeout) != 1)
2365 return -EINVAL;
2366 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2367 timeout = IWL_DEF_WD_TIMEOUT;
2368
2369 hw_params(priv).wd_timeout = timeout;
2370 iwl_setup_watchdog(priv);
2371 return count;
2372 }
2373
2374 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2375 char __user *user_buf,
2376 size_t count, loff_t *ppos) {
2377
2378 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2379 int pos = 0;
2380 char buf[200];
2381 const size_t bufsz = sizeof(buf);
2382
2383 if (!priv->bt_enable_flag) {
2384 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2385 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2386 }
2387 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2388 priv->bt_enable_flag);
2389 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2390 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2391 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2392 "last traffic notif: %d\n",
2393 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2394 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2395 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2396 priv->bt_ch_announce, priv->kill_ack_mask,
2397 priv->kill_cts_mask);
2398
2399 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2400 switch (priv->bt_traffic_load) {
2401 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2402 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2403 break;
2404 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2405 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2406 break;
2407 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2408 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2409 break;
2410 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2411 default:
2412 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2413 break;
2414 }
2415
2416 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2417 }
2418
2419 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2420 char __user *user_buf,
2421 size_t count, loff_t *ppos)
2422 {
2423 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2424
2425 int pos = 0;
2426 char buf[40];
2427 const size_t bufsz = sizeof(buf);
2428
2429 if (cfg(priv)->ht_params)
2430 pos += scnprintf(buf + pos, bufsz - pos,
2431 "use %s for aggregation\n",
2432 (hw_params(priv).use_rts_for_aggregation) ?
2433 "rts/cts" : "cts-to-self");
2434 else
2435 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2436
2437 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2438 }
2439
2440 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2441 const char __user *user_buf,
2442 size_t count, loff_t *ppos) {
2443
2444 struct iwl_priv *priv = file->private_data;
2445 char buf[8];
2446 int buf_size;
2447 int rts;
2448
2449 if (!cfg(priv)->ht_params)
2450 return -EINVAL;
2451
2452 memset(buf, 0, sizeof(buf));
2453 buf_size = min(count, sizeof(buf) - 1);
2454 if (copy_from_user(buf, user_buf, buf_size))
2455 return -EFAULT;
2456 if (sscanf(buf, "%d", &rts) != 1)
2457 return -EINVAL;
2458 if (rts)
2459 hw_params(priv).use_rts_for_aggregation = true;
2460 else
2461 hw_params(priv).use_rts_for_aggregation = false;
2462 return count;
2463 }
2464
2465 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2466 const char __user *user_buf,
2467 size_t count, loff_t *ppos)
2468 {
2469 struct iwl_priv *priv = file->private_data;
2470 char buf[8];
2471 int buf_size;
2472
2473 memset(buf, 0, sizeof(buf));
2474 buf_size = min(count, sizeof(buf) - 1);
2475 if (copy_from_user(buf, user_buf, buf_size))
2476 return -EFAULT;
2477
2478 iwl_cmd_echo_test(priv);
2479 return count;
2480 }
2481
2482 DEBUGFS_READ_FILE_OPS(rx_statistics);
2483 DEBUGFS_READ_FILE_OPS(tx_statistics);
2484 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2485 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2486 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2487 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2488 DEBUGFS_READ_FILE_OPS(sensitivity);
2489 DEBUGFS_READ_FILE_OPS(chain_noise);
2490 DEBUGFS_READ_FILE_OPS(power_save_status);
2491 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2492 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2493 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2494 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2495 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2496 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2497 DEBUGFS_READ_FILE_OPS(rxon_flags);
2498 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2499 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2500 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2501 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2502 DEBUGFS_READ_FILE_OPS(bt_traffic);
2503 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2504 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2505 DEBUGFS_WRITE_FILE_OPS(echo_test);
2506
2507 /*
2508 * Create the debugfs files and directories
2509 *
2510 */
2511 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2512 {
2513 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2514 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2515
2516 dir_drv = debugfs_create_dir(name, phyd);
2517 if (!dir_drv)
2518 return -ENOMEM;
2519
2520 priv->debugfs_dir = dir_drv;
2521
2522 dir_data = debugfs_create_dir("data", dir_drv);
2523 if (!dir_data)
2524 goto err;
2525 dir_rf = debugfs_create_dir("rf", dir_drv);
2526 if (!dir_rf)
2527 goto err;
2528 dir_debug = debugfs_create_dir("debug", dir_drv);
2529 if (!dir_debug)
2530 goto err;
2531
2532 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2533 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2534 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2535 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2536 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2537 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2538 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2539 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2540 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2541 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2542 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2543 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2544 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2545
2546 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2547 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2548 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2549 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2550 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2551 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2552 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2553 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2554 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2555 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2556 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2557 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2558 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2559 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2560 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2561 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2562 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2563 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2564 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2565 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2566 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2567 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2568 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2569 if (iwl_advanced_bt_coexist(priv))
2570 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2571
2572 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2573 &priv->disable_sens_cal);
2574 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2575 &priv->disable_chain_noise_cal);
2576
2577 if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2578 goto err;
2579 return 0;
2580
2581 err:
2582 IWL_ERR(priv, "Can't create the debugfs directory\n");
2583 iwl_dbgfs_unregister(priv);
2584 return -ENOMEM;
2585 }
2586
2587 /**
2588 * Remove the debugfs files and directories
2589 *
2590 */
2591 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2592 {
2593 if (!priv->debugfs_dir)
2594 return;
2595
2596 debugfs_remove_recursive(priv->debugfs_dir);
2597 priv->debugfs_dir = NULL;
2598 }
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