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iwlwifi: remember the last uCode sysassert error code
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42 #include "iwl-calib.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 /* file operation */
68 #define DEBUGFS_READ_FUNC(name) \
69 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
70 char __user *user_buf, \
71 size_t count, loff_t *ppos);
72
73 #define DEBUGFS_WRITE_FUNC(name) \
74 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
75 const char __user *user_buf, \
76 size_t count, loff_t *ppos);
77
78
79 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
80 {
81 file->private_data = inode->i_private;
82 return 0;
83 }
84
85 #define DEBUGFS_READ_FILE_OPS(name) \
86 DEBUGFS_READ_FUNC(name); \
87 static const struct file_operations iwl_dbgfs_##name##_ops = { \
88 .read = iwl_dbgfs_##name##_read, \
89 .open = iwl_dbgfs_open_file_generic, \
90 };
91
92 #define DEBUGFS_WRITE_FILE_OPS(name) \
93 DEBUGFS_WRITE_FUNC(name); \
94 static const struct file_operations iwl_dbgfs_##name##_ops = { \
95 .write = iwl_dbgfs_##name##_write, \
96 .open = iwl_dbgfs_open_file_generic, \
97 };
98
99
100 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
101 DEBUGFS_READ_FUNC(name); \
102 DEBUGFS_WRITE_FUNC(name); \
103 static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .read = iwl_dbgfs_##name##_read, \
106 .open = iwl_dbgfs_open_file_generic, \
107 };
108
109 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
110 char __user *user_buf,
111 size_t count, loff_t *ppos) {
112
113 struct iwl_priv *priv = file->private_data;
114 char *buf;
115 int pos = 0;
116
117 int cnt;
118 ssize_t ret;
119 const size_t bufsz = 100 +
120 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
121 buf = kzalloc(bufsz, GFP_KERNEL);
122 if (!buf)
123 return -ENOMEM;
124 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
125 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
126 pos += scnprintf(buf + pos, bufsz - pos,
127 "\t%25s\t\t: %u\n",
128 get_mgmt_string(cnt),
129 priv->tx_stats.mgmt[cnt]);
130 }
131 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
132 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
133 pos += scnprintf(buf + pos, bufsz - pos,
134 "\t%25s\t\t: %u\n",
135 get_ctrl_string(cnt),
136 priv->tx_stats.ctrl[cnt]);
137 }
138 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
139 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
140 priv->tx_stats.data_cnt);
141 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
142 priv->tx_stats.data_bytes);
143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
144 kfree(buf);
145 return ret;
146 }
147
148 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
149 const char __user *user_buf,
150 size_t count, loff_t *ppos)
151 {
152 struct iwl_priv *priv = file->private_data;
153 u32 clear_flag;
154 char buf[8];
155 int buf_size;
156
157 memset(buf, 0, sizeof(buf));
158 buf_size = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, buf_size))
160 return -EFAULT;
161 if (sscanf(buf, "%x", &clear_flag) != 1)
162 return -EFAULT;
163 iwl_clear_traffic_stats(priv);
164
165 return count;
166 }
167
168 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
169 char __user *user_buf,
170 size_t count, loff_t *ppos) {
171
172 struct iwl_priv *priv = file->private_data;
173 char *buf;
174 int pos = 0;
175 int cnt;
176 ssize_t ret;
177 const size_t bufsz = 100 +
178 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
179 buf = kzalloc(bufsz, GFP_KERNEL);
180 if (!buf)
181 return -ENOMEM;
182
183 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
184 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
185 pos += scnprintf(buf + pos, bufsz - pos,
186 "\t%25s\t\t: %u\n",
187 get_mgmt_string(cnt),
188 priv->rx_stats.mgmt[cnt]);
189 }
190 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
191 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
192 pos += scnprintf(buf + pos, bufsz - pos,
193 "\t%25s\t\t: %u\n",
194 get_ctrl_string(cnt),
195 priv->rx_stats.ctrl[cnt]);
196 }
197 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
198 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
199 priv->rx_stats.data_cnt);
200 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
201 priv->rx_stats.data_bytes);
202
203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
204 kfree(buf);
205 return ret;
206 }
207
208 #define BYTE1_MASK 0x000000ff;
209 #define BYTE2_MASK 0x0000ffff;
210 #define BYTE3_MASK 0x00ffffff;
211 static ssize_t iwl_dbgfs_sram_read(struct file *file,
212 char __user *user_buf,
213 size_t count, loff_t *ppos)
214 {
215 u32 val;
216 char *buf;
217 ssize_t ret;
218 int i;
219 int pos = 0;
220 struct iwl_priv *priv = file->private_data;
221 size_t bufsz;
222
223 /* default is to dump the entire data segment */
224 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
225 priv->dbgfs_sram_offset = 0x800000;
226 if (priv->ucode_type == UCODE_INIT)
227 priv->dbgfs_sram_len = priv->ucode_init_data.len;
228 else
229 priv->dbgfs_sram_len = priv->ucode_data.len;
230 }
231 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
232 buf = kmalloc(bufsz, GFP_KERNEL);
233 if (!buf)
234 return -ENOMEM;
235 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
236 priv->dbgfs_sram_len);
237 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
238 priv->dbgfs_sram_offset);
239 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
240 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
241 priv->dbgfs_sram_len - i);
242 if (i < 4) {
243 switch (i) {
244 case 1:
245 val &= BYTE1_MASK;
246 break;
247 case 2:
248 val &= BYTE2_MASK;
249 break;
250 case 3:
251 val &= BYTE3_MASK;
252 break;
253 }
254 }
255 if (!(i % 16))
256 pos += scnprintf(buf + pos, bufsz - pos, "\n");
257 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
258 }
259 pos += scnprintf(buf + pos, bufsz - pos, "\n");
260
261 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
262 kfree(buf);
263 return ret;
264 }
265
266 static ssize_t iwl_dbgfs_sram_write(struct file *file,
267 const char __user *user_buf,
268 size_t count, loff_t *ppos)
269 {
270 struct iwl_priv *priv = file->private_data;
271 char buf[64];
272 int buf_size;
273 u32 offset, len;
274
275 memset(buf, 0, sizeof(buf));
276 buf_size = min(count, sizeof(buf) - 1);
277 if (copy_from_user(buf, user_buf, buf_size))
278 return -EFAULT;
279
280 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
281 priv->dbgfs_sram_offset = offset;
282 priv->dbgfs_sram_len = len;
283 } else {
284 priv->dbgfs_sram_offset = 0;
285 priv->dbgfs_sram_len = 0;
286 }
287
288 return count;
289 }
290
291 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
292 size_t count, loff_t *ppos)
293 {
294 struct iwl_priv *priv = file->private_data;
295 struct iwl_station_entry *station;
296 int max_sta = priv->hw_params.max_stations;
297 char *buf;
298 int i, j, pos = 0;
299 ssize_t ret;
300 /* Add 30 for initial string */
301 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
302
303 buf = kmalloc(bufsz, GFP_KERNEL);
304 if (!buf)
305 return -ENOMEM;
306
307 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
308 priv->num_stations);
309
310 for (i = 0; i < max_sta; i++) {
311 station = &priv->stations[i];
312 if (!station->used)
313 continue;
314 pos += scnprintf(buf + pos, bufsz - pos,
315 "station %d - addr: %pM, flags: %#x\n",
316 i, station->sta.sta.addr,
317 station->sta.station_flags_msk);
318 pos += scnprintf(buf + pos, bufsz - pos,
319 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
320 pos += scnprintf(buf + pos, bufsz - pos,
321 "start_idx\tbitmap\t\t\trate_n_flags\n");
322
323 for (j = 0; j < MAX_TID_COUNT; j++) {
324 pos += scnprintf(buf + pos, bufsz - pos,
325 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
326 j, station->tid[j].seq_number,
327 station->tid[j].agg.txq_id,
328 station->tid[j].agg.frame_count,
329 station->tid[j].tfds_in_queue,
330 station->tid[j].agg.start_idx,
331 station->tid[j].agg.bitmap,
332 station->tid[j].agg.rate_n_flags);
333
334 if (station->tid[j].agg.wait_for_ba)
335 pos += scnprintf(buf + pos, bufsz - pos,
336 " - waitforba");
337 pos += scnprintf(buf + pos, bufsz - pos, "\n");
338 }
339
340 pos += scnprintf(buf + pos, bufsz - pos, "\n");
341 }
342
343 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
344 kfree(buf);
345 return ret;
346 }
347
348 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
349 char __user *user_buf,
350 size_t count,
351 loff_t *ppos)
352 {
353 ssize_t ret;
354 struct iwl_priv *priv = file->private_data;
355 int pos = 0, ofs = 0, buf_size = 0;
356 const u8 *ptr;
357 char *buf;
358 u16 eeprom_ver;
359 size_t eeprom_len = priv->cfg->eeprom_size;
360 buf_size = 4 * eeprom_len + 256;
361
362 if (eeprom_len % 16) {
363 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
364 return -ENODATA;
365 }
366
367 ptr = priv->eeprom;
368 if (!ptr) {
369 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
370 return -ENOMEM;
371 }
372
373 /* 4 characters for byte 0xYY */
374 buf = kzalloc(buf_size, GFP_KERNEL);
375 if (!buf) {
376 IWL_ERR(priv, "Can not allocate Buffer\n");
377 return -ENOMEM;
378 }
379 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
380 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
381 "version: 0x%x\n",
382 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
383 ? "OTP" : "EEPROM", eeprom_ver);
384 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
385 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
386 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
387 buf_size - pos, 0);
388 pos += strlen(buf + pos);
389 if (buf_size - pos > 0)
390 buf[pos++] = '\n';
391 }
392
393 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
394 kfree(buf);
395 return ret;
396 }
397
398 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
399 char __user *user_buf,
400 size_t count, loff_t *ppos)
401 {
402 struct iwl_priv *priv = file->private_data;
403 char *buf;
404 int pos = 0;
405 ssize_t ret = -ENOMEM;
406
407 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
408 priv, true, &buf, true);
409 if (buf) {
410 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
411 kfree(buf);
412 }
413 return ret;
414 }
415
416 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
417 const char __user *user_buf,
418 size_t count, loff_t *ppos)
419 {
420 struct iwl_priv *priv = file->private_data;
421 u32 event_log_flag;
422 char buf[8];
423 int buf_size;
424
425 memset(buf, 0, sizeof(buf));
426 buf_size = min(count, sizeof(buf) - 1);
427 if (copy_from_user(buf, user_buf, buf_size))
428 return -EFAULT;
429 if (sscanf(buf, "%d", &event_log_flag) != 1)
430 return -EFAULT;
431 if (event_log_flag == 1)
432 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
433 NULL, false);
434
435 return count;
436 }
437
438
439
440 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
441 size_t count, loff_t *ppos)
442 {
443 struct iwl_priv *priv = file->private_data;
444 struct ieee80211_channel *channels = NULL;
445 const struct ieee80211_supported_band *supp_band = NULL;
446 int pos = 0, i, bufsz = PAGE_SIZE;
447 char *buf;
448 ssize_t ret;
449
450 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
451 return -EAGAIN;
452
453 buf = kzalloc(bufsz, GFP_KERNEL);
454 if (!buf) {
455 IWL_ERR(priv, "Can not allocate Buffer\n");
456 return -ENOMEM;
457 }
458
459 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
460 if (supp_band) {
461 channels = supp_band->channels;
462
463 pos += scnprintf(buf + pos, bufsz - pos,
464 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
465 supp_band->n_channels);
466
467 for (i = 0; i < supp_band->n_channels; i++)
468 pos += scnprintf(buf + pos, bufsz - pos,
469 "%d: %ddBm: BSS%s%s, %s.\n",
470 channels[i].hw_value,
471 channels[i].max_power,
472 channels[i].flags & IEEE80211_CHAN_RADAR ?
473 " (IEEE 802.11h required)" : "",
474 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
475 || (channels[i].flags &
476 IEEE80211_CHAN_RADAR)) ? "" :
477 ", IBSS",
478 channels[i].flags &
479 IEEE80211_CHAN_PASSIVE_SCAN ?
480 "passive only" : "active/passive");
481 }
482 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
483 if (supp_band) {
484 channels = supp_band->channels;
485
486 pos += scnprintf(buf + pos, bufsz - pos,
487 "Displaying %d channels in 5.2GHz band (802.11a)\n",
488 supp_band->n_channels);
489
490 for (i = 0; i < supp_band->n_channels; i++)
491 pos += scnprintf(buf + pos, bufsz - pos,
492 "%d: %ddBm: BSS%s%s, %s.\n",
493 channels[i].hw_value,
494 channels[i].max_power,
495 channels[i].flags & IEEE80211_CHAN_RADAR ?
496 " (IEEE 802.11h required)" : "",
497 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
498 || (channels[i].flags &
499 IEEE80211_CHAN_RADAR)) ? "" :
500 ", IBSS",
501 channels[i].flags &
502 IEEE80211_CHAN_PASSIVE_SCAN ?
503 "passive only" : "active/passive");
504 }
505 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
506 kfree(buf);
507 return ret;
508 }
509
510 static ssize_t iwl_dbgfs_status_read(struct file *file,
511 char __user *user_buf,
512 size_t count, loff_t *ppos) {
513
514 struct iwl_priv *priv = file->private_data;
515 char buf[512];
516 int pos = 0;
517 const size_t bufsz = sizeof(buf);
518
519 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
520 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
521 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
522 test_bit(STATUS_INT_ENABLED, &priv->status));
523 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
524 test_bit(STATUS_RF_KILL_HW, &priv->status));
525 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
526 test_bit(STATUS_CT_KILL, &priv->status));
527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
528 test_bit(STATUS_INIT, &priv->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
530 test_bit(STATUS_ALIVE, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
532 test_bit(STATUS_READY, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
534 test_bit(STATUS_TEMPERATURE, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
536 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
538 test_bit(STATUS_EXIT_PENDING, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
540 test_bit(STATUS_STATISTICS, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
542 test_bit(STATUS_SCANNING, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
544 test_bit(STATUS_SCAN_ABORTING, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
546 test_bit(STATUS_SCAN_HW, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
548 test_bit(STATUS_POWER_PMI, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
550 test_bit(STATUS_FW_ERROR, &priv->status));
551 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
552 }
553
554 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
555 char __user *user_buf,
556 size_t count, loff_t *ppos) {
557
558 struct iwl_priv *priv = file->private_data;
559 int pos = 0;
560 int cnt = 0;
561 char *buf;
562 int bufsz = 24 * 64; /* 24 items * 64 char per item */
563 ssize_t ret;
564
565 buf = kzalloc(bufsz, GFP_KERNEL);
566 if (!buf) {
567 IWL_ERR(priv, "Can not allocate Buffer\n");
568 return -ENOMEM;
569 }
570
571 pos += scnprintf(buf + pos, bufsz - pos,
572 "Interrupt Statistics Report:\n");
573
574 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
575 priv->isr_stats.hw);
576 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
577 priv->isr_stats.sw);
578 if (priv->isr_stats.sw || priv->isr_stats.hw) {
579 pos += scnprintf(buf + pos, bufsz - pos,
580 "\tLast Restarting Code: 0x%X\n",
581 priv->isr_stats.err_code);
582 }
583 #ifdef CONFIG_IWLWIFI_DEBUG
584 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
585 priv->isr_stats.sch);
586 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
587 priv->isr_stats.alive);
588 #endif
589 pos += scnprintf(buf + pos, bufsz - pos,
590 "HW RF KILL switch toggled:\t %u\n",
591 priv->isr_stats.rfkill);
592
593 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
594 priv->isr_stats.ctkill);
595
596 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
597 priv->isr_stats.wakeup);
598
599 pos += scnprintf(buf + pos, bufsz - pos,
600 "Rx command responses:\t\t %u\n",
601 priv->isr_stats.rx);
602 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
603 if (priv->isr_stats.rx_handlers[cnt] > 0)
604 pos += scnprintf(buf + pos, bufsz - pos,
605 "\tRx handler[%36s]:\t\t %u\n",
606 get_cmd_string(cnt),
607 priv->isr_stats.rx_handlers[cnt]);
608 }
609
610 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
611 priv->isr_stats.tx);
612
613 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
614 priv->isr_stats.unhandled);
615
616 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
617 kfree(buf);
618 return ret;
619 }
620
621 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
622 const char __user *user_buf,
623 size_t count, loff_t *ppos)
624 {
625 struct iwl_priv *priv = file->private_data;
626 char buf[8];
627 int buf_size;
628 u32 reset_flag;
629
630 memset(buf, 0, sizeof(buf));
631 buf_size = min(count, sizeof(buf) - 1);
632 if (copy_from_user(buf, user_buf, buf_size))
633 return -EFAULT;
634 if (sscanf(buf, "%x", &reset_flag) != 1)
635 return -EFAULT;
636 if (reset_flag == 0)
637 iwl_clear_isr_stats(priv);
638
639 return count;
640 }
641
642 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
643 size_t count, loff_t *ppos)
644 {
645 struct iwl_priv *priv = file->private_data;
646 struct iwl_rxon_context *ctx;
647 int pos = 0, i;
648 char buf[256 * NUM_IWL_RXON_CTX];
649 const size_t bufsz = sizeof(buf);
650
651 for_each_context(priv, ctx) {
652 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
653 ctx->ctxid);
654 for (i = 0; i < AC_NUM; i++) {
655 pos += scnprintf(buf + pos, bufsz - pos,
656 "\tcw_min\tcw_max\taifsn\ttxop\n");
657 pos += scnprintf(buf + pos, bufsz - pos,
658 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
659 ctx->qos_data.def_qos_parm.ac[i].cw_min,
660 ctx->qos_data.def_qos_parm.ac[i].cw_max,
661 ctx->qos_data.def_qos_parm.ac[i].aifsn,
662 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
663 }
664 pos += scnprintf(buf + pos, bufsz - pos, "\n");
665 }
666 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
667 }
668
669 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
670 size_t count, loff_t *ppos)
671 {
672 struct iwl_priv *priv = file->private_data;
673 int pos = 0;
674 char buf[256];
675 const size_t bufsz = sizeof(buf);
676
677 pos += scnprintf(buf + pos, bufsz - pos,
678 "allow blinking: %s\n",
679 (priv->allow_blinking) ? "True" : "False");
680 if (priv->allow_blinking) {
681 pos += scnprintf(buf + pos, bufsz - pos,
682 "Led blinking rate: %u\n",
683 priv->last_blink_rate);
684 pos += scnprintf(buf + pos, bufsz - pos,
685 "Last blink time: %lu\n",
686 priv->last_blink_time);
687 }
688
689 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
690 }
691
692 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
693 char __user *user_buf,
694 size_t count, loff_t *ppos)
695 {
696 struct iwl_priv *priv = file->private_data;
697 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
698 struct iwl_tt_restriction *restriction;
699 char buf[100];
700 int pos = 0;
701 const size_t bufsz = sizeof(buf);
702
703 pos += scnprintf(buf + pos, bufsz - pos,
704 "Thermal Throttling Mode: %s\n",
705 tt->advanced_tt ? "Advance" : "Legacy");
706 pos += scnprintf(buf + pos, bufsz - pos,
707 "Thermal Throttling State: %d\n",
708 tt->state);
709 if (tt->advanced_tt) {
710 restriction = tt->restriction + tt->state;
711 pos += scnprintf(buf + pos, bufsz - pos,
712 "Tx mode: %d\n",
713 restriction->tx_stream);
714 pos += scnprintf(buf + pos, bufsz - pos,
715 "Rx mode: %d\n",
716 restriction->rx_stream);
717 pos += scnprintf(buf + pos, bufsz - pos,
718 "HT mode: %d\n",
719 restriction->is_ht);
720 }
721 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
722 }
723
724 static ssize_t iwl_dbgfs_disable_ht40_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 ht40;
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 if (sscanf(buf, "%d", &ht40) != 1)
738 return -EFAULT;
739 if (!iwl_is_any_associated(priv))
740 priv->disable_ht40 = ht40 ? true : false;
741 else {
742 IWL_ERR(priv, "Sta associated with AP - "
743 "Change to 40MHz channel support is not allowed\n");
744 return -EINVAL;
745 }
746
747 return count;
748 }
749
750 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
751 char __user *user_buf,
752 size_t count, loff_t *ppos)
753 {
754 struct iwl_priv *priv = file->private_data;
755 char buf[100];
756 int pos = 0;
757 const size_t bufsz = sizeof(buf);
758
759 pos += scnprintf(buf + pos, bufsz - pos,
760 "11n 40MHz Mode: %s\n",
761 priv->disable_ht40 ? "Disabled" : "Enabled");
762 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
763 }
764
765 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
766 const char __user *user_buf,
767 size_t count, loff_t *ppos)
768 {
769 struct iwl_priv *priv = file->private_data;
770 char buf[8];
771 int buf_size;
772 int value;
773
774 memset(buf, 0, sizeof(buf));
775 buf_size = min(count, sizeof(buf) - 1);
776 if (copy_from_user(buf, user_buf, buf_size))
777 return -EFAULT;
778
779 if (sscanf(buf, "%d", &value) != 1)
780 return -EINVAL;
781
782 /*
783 * Our users expect 0 to be "CAM", but 0 isn't actually
784 * valid here. However, let's not confuse them and present
785 * IWL_POWER_INDEX_1 as "1", not "0".
786 */
787 if (value == 0)
788 return -EINVAL;
789 else if (value > 0)
790 value -= 1;
791
792 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
793 return -EINVAL;
794
795 if (!iwl_is_ready_rf(priv))
796 return -EAGAIN;
797
798 priv->power_data.debug_sleep_level_override = value;
799
800 mutex_lock(&priv->mutex);
801 iwl_power_update_mode(priv, true);
802 mutex_unlock(&priv->mutex);
803
804 return count;
805 }
806
807 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
808 char __user *user_buf,
809 size_t count, loff_t *ppos)
810 {
811 struct iwl_priv *priv = file->private_data;
812 char buf[10];
813 int pos, value;
814 const size_t bufsz = sizeof(buf);
815
816 /* see the write function */
817 value = priv->power_data.debug_sleep_level_override;
818 if (value >= 0)
819 value += 1;
820
821 pos = scnprintf(buf, bufsz, "%d\n", value);
822 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
823 }
824
825 static ssize_t iwl_dbgfs_current_sleep_command_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 char buf[200];
831 int pos = 0, i;
832 const size_t bufsz = sizeof(buf);
833 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
834
835 pos += scnprintf(buf + pos, bufsz - pos,
836 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
837 pos += scnprintf(buf + pos, bufsz - pos,
838 "RX/TX timeout: %d/%d usec\n",
839 le32_to_cpu(cmd->rx_data_timeout),
840 le32_to_cpu(cmd->tx_data_timeout));
841 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
842 pos += scnprintf(buf + pos, bufsz - pos,
843 "sleep_interval[%d]: %d\n", i,
844 le32_to_cpu(cmd->sleep_interval[i]));
845
846 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
847 }
848
849 DEBUGFS_READ_WRITE_FILE_OPS(sram);
850 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
851 DEBUGFS_READ_FILE_OPS(nvm);
852 DEBUGFS_READ_FILE_OPS(stations);
853 DEBUGFS_READ_FILE_OPS(channels);
854 DEBUGFS_READ_FILE_OPS(status);
855 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
856 DEBUGFS_READ_FILE_OPS(qos);
857 DEBUGFS_READ_FILE_OPS(led);
858 DEBUGFS_READ_FILE_OPS(thermal_throttling);
859 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
860 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
861 DEBUGFS_READ_FILE_OPS(current_sleep_command);
862
863 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
864 char __user *user_buf,
865 size_t count, loff_t *ppos)
866 {
867 struct iwl_priv *priv = file->private_data;
868 int pos = 0, ofs = 0;
869 int cnt = 0, entry;
870 struct iwl_tx_queue *txq;
871 struct iwl_queue *q;
872 struct iwl_rx_queue *rxq = &priv->rxq;
873 char *buf;
874 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
875 (priv->cfg->num_of_queues * 32 * 8) + 400;
876 const u8 *ptr;
877 ssize_t ret;
878
879 if (!priv->txq) {
880 IWL_ERR(priv, "txq not ready\n");
881 return -EAGAIN;
882 }
883 buf = kzalloc(bufsz, GFP_KERNEL);
884 if (!buf) {
885 IWL_ERR(priv, "Can not allocate buffer\n");
886 return -ENOMEM;
887 }
888 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
889 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
890 txq = &priv->txq[cnt];
891 q = &txq->q;
892 pos += scnprintf(buf + pos, bufsz - pos,
893 "q[%d]: read_ptr: %u, write_ptr: %u\n",
894 cnt, q->read_ptr, q->write_ptr);
895 }
896 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
897 ptr = priv->tx_traffic;
898 pos += scnprintf(buf + pos, bufsz - pos,
899 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
900 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
901 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
902 entry++, ofs += 16) {
903 pos += scnprintf(buf + pos, bufsz - pos,
904 "0x%.4x ", ofs);
905 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
906 buf + pos, bufsz - pos, 0);
907 pos += strlen(buf + pos);
908 if (bufsz - pos > 0)
909 buf[pos++] = '\n';
910 }
911 }
912 }
913
914 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
915 pos += scnprintf(buf + pos, bufsz - pos,
916 "read: %u, write: %u\n",
917 rxq->read, rxq->write);
918
919 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
920 ptr = priv->rx_traffic;
921 pos += scnprintf(buf + pos, bufsz - pos,
922 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
923 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
924 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
925 entry++, ofs += 16) {
926 pos += scnprintf(buf + pos, bufsz - pos,
927 "0x%.4x ", ofs);
928 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
929 buf + pos, bufsz - pos, 0);
930 pos += strlen(buf + pos);
931 if (bufsz - pos > 0)
932 buf[pos++] = '\n';
933 }
934 }
935 }
936
937 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
938 kfree(buf);
939 return ret;
940 }
941
942 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
943 const char __user *user_buf,
944 size_t count, loff_t *ppos)
945 {
946 struct iwl_priv *priv = file->private_data;
947 char buf[8];
948 int buf_size;
949 int traffic_log;
950
951 memset(buf, 0, sizeof(buf));
952 buf_size = min(count, sizeof(buf) - 1);
953 if (copy_from_user(buf, user_buf, buf_size))
954 return -EFAULT;
955 if (sscanf(buf, "%d", &traffic_log) != 1)
956 return -EFAULT;
957 if (traffic_log == 0)
958 iwl_reset_traffic_log(priv);
959
960 return count;
961 }
962
963 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
964 char __user *user_buf,
965 size_t count, loff_t *ppos) {
966
967 struct iwl_priv *priv = file->private_data;
968 struct iwl_tx_queue *txq;
969 struct iwl_queue *q;
970 char *buf;
971 int pos = 0;
972 int cnt;
973 int ret;
974 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
975
976 if (!priv->txq) {
977 IWL_ERR(priv, "txq not ready\n");
978 return -EAGAIN;
979 }
980 buf = kzalloc(bufsz, GFP_KERNEL);
981 if (!buf)
982 return -ENOMEM;
983
984 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
985 txq = &priv->txq[cnt];
986 q = &txq->q;
987 pos += scnprintf(buf + pos, bufsz - pos,
988 "hwq %.2d: read=%u write=%u stop=%d"
989 " swq_id=%#.2x (ac %d/hwq %d)\n",
990 cnt, q->read_ptr, q->write_ptr,
991 !!test_bit(cnt, priv->queue_stopped),
992 txq->swq_id,
993 txq->swq_id & 0x80 ? txq->swq_id & 3 :
994 txq->swq_id,
995 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
996 0x1f : txq->swq_id);
997 if (cnt >= 4)
998 continue;
999 /* for the ACs, display the stop count too */
1000 pos += scnprintf(buf + pos, bufsz - pos,
1001 " stop-count: %d\n",
1002 atomic_read(&priv->queue_stop_count[cnt]));
1003 }
1004 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1005 kfree(buf);
1006 return ret;
1007 }
1008
1009 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1010 char __user *user_buf,
1011 size_t count, loff_t *ppos) {
1012
1013 struct iwl_priv *priv = file->private_data;
1014 struct iwl_rx_queue *rxq = &priv->rxq;
1015 char buf[256];
1016 int pos = 0;
1017 const size_t bufsz = sizeof(buf);
1018
1019 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1020 rxq->read);
1021 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1022 rxq->write);
1023 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1024 rxq->free_count);
1025 if (rxq->rb_stts) {
1026 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1027 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1028 } else {
1029 pos += scnprintf(buf + pos, bufsz - pos,
1030 "closed_rb_num: Not Allocated\n");
1031 }
1032 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1033 }
1034
1035 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1036 char __user *user_buf,
1037 size_t count, loff_t *ppos)
1038 {
1039 struct iwl_priv *priv = file->private_data;
1040 return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1041 user_buf, count, ppos);
1042 }
1043
1044 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1045 char __user *user_buf,
1046 size_t count, loff_t *ppos)
1047 {
1048 struct iwl_priv *priv = file->private_data;
1049 return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1050 user_buf, count, ppos);
1051 }
1052
1053 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1054 char __user *user_buf,
1055 size_t count, loff_t *ppos)
1056 {
1057 struct iwl_priv *priv = file->private_data;
1058 return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1059 user_buf, count, ppos);
1060 }
1061
1062 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1063 char __user *user_buf,
1064 size_t count, loff_t *ppos) {
1065
1066 struct iwl_priv *priv = file->private_data;
1067 int pos = 0;
1068 int cnt = 0;
1069 char *buf;
1070 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1071 ssize_t ret;
1072 struct iwl_sensitivity_data *data;
1073
1074 data = &priv->sensitivity_data;
1075 buf = kzalloc(bufsz, GFP_KERNEL);
1076 if (!buf) {
1077 IWL_ERR(priv, "Can not allocate Buffer\n");
1078 return -ENOMEM;
1079 }
1080
1081 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1082 data->auto_corr_ofdm);
1083 pos += scnprintf(buf + pos, bufsz - pos,
1084 "auto_corr_ofdm_mrc:\t\t %u\n",
1085 data->auto_corr_ofdm_mrc);
1086 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1087 data->auto_corr_ofdm_x1);
1088 pos += scnprintf(buf + pos, bufsz - pos,
1089 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1090 data->auto_corr_ofdm_mrc_x1);
1091 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1092 data->auto_corr_cck);
1093 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1094 data->auto_corr_cck_mrc);
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1097 data->last_bad_plcp_cnt_ofdm);
1098 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1099 data->last_fa_cnt_ofdm);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 "last_bad_plcp_cnt_cck:\t\t %u\n",
1102 data->last_bad_plcp_cnt_cck);
1103 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1104 data->last_fa_cnt_cck);
1105 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1106 data->nrg_curr_state);
1107 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1108 data->nrg_prev_state);
1109 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1110 for (cnt = 0; cnt < 10; cnt++) {
1111 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1112 data->nrg_value[cnt]);
1113 }
1114 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1115 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1116 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1117 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1118 data->nrg_silence_rssi[cnt]);
1119 }
1120 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1121 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1122 data->nrg_silence_ref);
1123 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1124 data->nrg_energy_idx);
1125 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1126 data->nrg_silence_idx);
1127 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1128 data->nrg_th_cck);
1129 pos += scnprintf(buf + pos, bufsz - pos,
1130 "nrg_auto_corr_silence_diff:\t %u\n",
1131 data->nrg_auto_corr_silence_diff);
1132 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1133 data->num_in_cck_no_fa);
1134 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1135 data->nrg_th_ofdm);
1136
1137 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1138 kfree(buf);
1139 return ret;
1140 }
1141
1142
1143 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1144 char __user *user_buf,
1145 size_t count, loff_t *ppos) {
1146
1147 struct iwl_priv *priv = file->private_data;
1148 int pos = 0;
1149 int cnt = 0;
1150 char *buf;
1151 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1152 ssize_t ret;
1153 struct iwl_chain_noise_data *data;
1154
1155 data = &priv->chain_noise_data;
1156 buf = kzalloc(bufsz, GFP_KERNEL);
1157 if (!buf) {
1158 IWL_ERR(priv, "Can not allocate Buffer\n");
1159 return -ENOMEM;
1160 }
1161
1162 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1163 data->active_chains);
1164 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1165 data->chain_noise_a);
1166 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1167 data->chain_noise_b);
1168 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1169 data->chain_noise_c);
1170 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1171 data->chain_signal_a);
1172 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1173 data->chain_signal_b);
1174 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1175 data->chain_signal_c);
1176 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1177 data->beacon_count);
1178
1179 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1180 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1181 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1182 data->disconn_array[cnt]);
1183 }
1184 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1185 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1186 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1187 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1188 data->delta_gain_code[cnt]);
1189 }
1190 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1191 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1192 data->radio_write);
1193 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1194 data->state);
1195
1196 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1197 kfree(buf);
1198 return ret;
1199 }
1200
1201 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1202 char __user *user_buf,
1203 size_t count, loff_t *ppos)
1204 {
1205 struct iwl_priv *priv = file->private_data;
1206 char buf[60];
1207 int pos = 0;
1208 const size_t bufsz = sizeof(buf);
1209 u32 pwrsave_status;
1210
1211 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1212 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1213
1214 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1215 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1216 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1217 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1218 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1219 "error");
1220
1221 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1222 }
1223
1224 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1225 const char __user *user_buf,
1226 size_t count, loff_t *ppos)
1227 {
1228 struct iwl_priv *priv = file->private_data;
1229 char buf[8];
1230 int buf_size;
1231 int clear;
1232
1233 memset(buf, 0, sizeof(buf));
1234 buf_size = min(count, sizeof(buf) - 1);
1235 if (copy_from_user(buf, user_buf, buf_size))
1236 return -EFAULT;
1237 if (sscanf(buf, "%d", &clear) != 1)
1238 return -EFAULT;
1239
1240 /* make request to uCode to retrieve statistics information */
1241 mutex_lock(&priv->mutex);
1242 iwl_send_statistics_request(priv, CMD_SYNC, true);
1243 mutex_unlock(&priv->mutex);
1244
1245 return count;
1246 }
1247
1248 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1249 const char __user *user_buf,
1250 size_t count, loff_t *ppos)
1251 {
1252 struct iwl_priv *priv = file->private_data;
1253 char buf[8];
1254 int buf_size;
1255 int csr;
1256
1257 memset(buf, 0, sizeof(buf));
1258 buf_size = min(count, sizeof(buf) - 1);
1259 if (copy_from_user(buf, user_buf, buf_size))
1260 return -EFAULT;
1261 if (sscanf(buf, "%d", &csr) != 1)
1262 return -EFAULT;
1263
1264 if (priv->cfg->ops->lib->dump_csr)
1265 priv->cfg->ops->lib->dump_csr(priv);
1266
1267 return count;
1268 }
1269
1270 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1271 char __user *user_buf,
1272 size_t count, loff_t *ppos) {
1273
1274 struct iwl_priv *priv = file->private_data;
1275 int pos = 0;
1276 char buf[128];
1277 const size_t bufsz = sizeof(buf);
1278
1279 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1280 priv->event_log.ucode_trace ? "On" : "Off");
1281 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1282 priv->event_log.non_wraps_count);
1283 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1284 priv->event_log.wraps_once_count);
1285 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1286 priv->event_log.wraps_more_count);
1287
1288 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1289 }
1290
1291 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1292 const char __user *user_buf,
1293 size_t count, loff_t *ppos)
1294 {
1295 struct iwl_priv *priv = file->private_data;
1296 char buf[8];
1297 int buf_size;
1298 int trace;
1299
1300 memset(buf, 0, sizeof(buf));
1301 buf_size = min(count, sizeof(buf) - 1);
1302 if (copy_from_user(buf, user_buf, buf_size))
1303 return -EFAULT;
1304 if (sscanf(buf, "%d", &trace) != 1)
1305 return -EFAULT;
1306
1307 if (trace) {
1308 priv->event_log.ucode_trace = true;
1309 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1310 mod_timer(&priv->ucode_trace,
1311 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1312 } else {
1313 priv->event_log.ucode_trace = false;
1314 del_timer_sync(&priv->ucode_trace);
1315 }
1316
1317 return count;
1318 }
1319
1320 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1321 char __user *user_buf,
1322 size_t count, loff_t *ppos) {
1323
1324 struct iwl_priv *priv = file->private_data;
1325 int len = 0;
1326 char buf[20];
1327
1328 len = sprintf(buf, "0x%04X\n",
1329 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1330 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1331 }
1332
1333 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1334 char __user *user_buf,
1335 size_t count, loff_t *ppos) {
1336
1337 struct iwl_priv *priv = file->private_data;
1338 int len = 0;
1339 char buf[20];
1340
1341 len = sprintf(buf, "0x%04X\n",
1342 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1343 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1344 }
1345
1346 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1347 char __user *user_buf,
1348 size_t count, loff_t *ppos)
1349 {
1350 struct iwl_priv *priv = file->private_data;
1351 char *buf;
1352 int pos = 0;
1353 ssize_t ret = -EFAULT;
1354
1355 if (priv->cfg->ops->lib->dump_fh) {
1356 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1357 if (buf) {
1358 ret = simple_read_from_buffer(user_buf,
1359 count, ppos, buf, pos);
1360 kfree(buf);
1361 }
1362 }
1363
1364 return ret;
1365 }
1366
1367 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1368 char __user *user_buf,
1369 size_t count, loff_t *ppos) {
1370
1371 struct iwl_priv *priv = file->private_data;
1372 int pos = 0;
1373 char buf[12];
1374 const size_t bufsz = sizeof(buf);
1375
1376 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1377 priv->missed_beacon_threshold);
1378
1379 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1380 }
1381
1382 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1383 const char __user *user_buf,
1384 size_t count, loff_t *ppos)
1385 {
1386 struct iwl_priv *priv = file->private_data;
1387 char buf[8];
1388 int buf_size;
1389 int missed;
1390
1391 memset(buf, 0, sizeof(buf));
1392 buf_size = min(count, sizeof(buf) - 1);
1393 if (copy_from_user(buf, user_buf, buf_size))
1394 return -EFAULT;
1395 if (sscanf(buf, "%d", &missed) != 1)
1396 return -EINVAL;
1397
1398 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1399 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1400 priv->missed_beacon_threshold =
1401 IWL_MISSED_BEACON_THRESHOLD_DEF;
1402 else
1403 priv->missed_beacon_threshold = missed;
1404
1405 return count;
1406 }
1407
1408 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1409 char __user *user_buf,
1410 size_t count, loff_t *ppos) {
1411
1412 struct iwl_priv *priv = file->private_data;
1413 int pos = 0;
1414 char buf[12];
1415 const size_t bufsz = sizeof(buf);
1416
1417 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1418 priv->cfg->plcp_delta_threshold);
1419
1420 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1421 }
1422
1423 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1424 const char __user *user_buf,
1425 size_t count, loff_t *ppos) {
1426
1427 struct iwl_priv *priv = file->private_data;
1428 char buf[8];
1429 int buf_size;
1430 int plcp;
1431
1432 memset(buf, 0, sizeof(buf));
1433 buf_size = min(count, sizeof(buf) - 1);
1434 if (copy_from_user(buf, user_buf, buf_size))
1435 return -EFAULT;
1436 if (sscanf(buf, "%d", &plcp) != 1)
1437 return -EINVAL;
1438 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
1439 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1440 priv->cfg->plcp_delta_threshold =
1441 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
1442 else
1443 priv->cfg->plcp_delta_threshold = plcp;
1444 return count;
1445 }
1446
1447 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1448 char __user *user_buf,
1449 size_t count, loff_t *ppos) {
1450
1451 struct iwl_priv *priv = file->private_data;
1452 int i, pos = 0;
1453 char buf[300];
1454 const size_t bufsz = sizeof(buf);
1455 struct iwl_force_reset *force_reset;
1456
1457 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1458 force_reset = &priv->force_reset[i];
1459 pos += scnprintf(buf + pos, bufsz - pos,
1460 "Force reset method %d\n", i);
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 "\tnumber of reset request: %d\n",
1463 force_reset->reset_request_count);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 "\tnumber of reset request success: %d\n",
1466 force_reset->reset_success_count);
1467 pos += scnprintf(buf + pos, bufsz - pos,
1468 "\tnumber of reset request reject: %d\n",
1469 force_reset->reset_reject_count);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 "\treset duration: %lu\n",
1472 force_reset->reset_duration);
1473 }
1474 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1475 }
1476
1477 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1478 const char __user *user_buf,
1479 size_t count, loff_t *ppos) {
1480
1481 struct iwl_priv *priv = file->private_data;
1482 char buf[8];
1483 int buf_size;
1484 int reset, ret;
1485
1486 memset(buf, 0, sizeof(buf));
1487 buf_size = min(count, sizeof(buf) - 1);
1488 if (copy_from_user(buf, user_buf, buf_size))
1489 return -EFAULT;
1490 if (sscanf(buf, "%d", &reset) != 1)
1491 return -EINVAL;
1492 switch (reset) {
1493 case IWL_RF_RESET:
1494 case IWL_FW_RESET:
1495 ret = iwl_force_reset(priv, reset, true);
1496 break;
1497 default:
1498 return -EINVAL;
1499 }
1500 return ret ? ret : count;
1501 }
1502
1503 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1504 const char __user *user_buf,
1505 size_t count, loff_t *ppos) {
1506
1507 struct iwl_priv *priv = file->private_data;
1508 char buf[8];
1509 int buf_size;
1510 int flush;
1511
1512 memset(buf, 0, sizeof(buf));
1513 buf_size = min(count, sizeof(buf) - 1);
1514 if (copy_from_user(buf, user_buf, buf_size))
1515 return -EFAULT;
1516 if (sscanf(buf, "%d", &flush) != 1)
1517 return -EINVAL;
1518
1519 if (iwl_is_rfkill(priv))
1520 return -EFAULT;
1521
1522 priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1523
1524 return count;
1525 }
1526
1527 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1528 char __user *user_buf,
1529 size_t count, loff_t *ppos)
1530 {
1531 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1532
1533 return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1534 user_buf, count, ppos);
1535 }
1536
1537 static ssize_t iwl_dbgfs_monitor_period_write(struct file *file,
1538 const char __user *user_buf,
1539 size_t count, loff_t *ppos) {
1540
1541 struct iwl_priv *priv = file->private_data;
1542 char buf[8];
1543 int buf_size;
1544 int period;
1545
1546 memset(buf, 0, sizeof(buf));
1547 buf_size = min(count, sizeof(buf) - 1);
1548 if (copy_from_user(buf, user_buf, buf_size))
1549 return -EFAULT;
1550 if (sscanf(buf, "%d", &period) != 1)
1551 return -EINVAL;
1552 if (period < 0 || period > IWL_MAX_MONITORING_PERIOD)
1553 priv->cfg->monitor_recover_period = IWL_DEF_MONITORING_PERIOD;
1554 else
1555 priv->cfg->monitor_recover_period = period;
1556
1557 if (priv->cfg->monitor_recover_period)
1558 mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
1559 priv->cfg->monitor_recover_period));
1560 else
1561 del_timer_sync(&priv->monitor_recover);
1562 return count;
1563 }
1564
1565 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1566 char __user *user_buf,
1567 size_t count, loff_t *ppos) {
1568
1569 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1570 int pos = 0;
1571 char buf[200];
1572 const size_t bufsz = sizeof(buf);
1573 ssize_t ret;
1574
1575 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1576 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1577 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1578 "last traffic notif: %d\n",
1579 priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);
1580 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1581 "sco_active: %d, kill_ack_mask: %x, "
1582 "kill_cts_mask: %x\n",
1583 priv->bt_ch_announce, priv->bt_sco_active,
1584 priv->kill_ack_mask, priv->kill_cts_mask);
1585
1586 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1587 switch (priv->bt_traffic_load) {
1588 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1589 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1590 break;
1591 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1592 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1593 break;
1594 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1595 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1596 break;
1597 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1598 default:
1599 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1600 break;
1601 }
1602
1603 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1604 return ret;
1605 }
1606
1607 DEBUGFS_READ_FILE_OPS(rx_statistics);
1608 DEBUGFS_READ_FILE_OPS(tx_statistics);
1609 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1610 DEBUGFS_READ_FILE_OPS(rx_queue);
1611 DEBUGFS_READ_FILE_OPS(tx_queue);
1612 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1613 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1614 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1615 DEBUGFS_READ_FILE_OPS(sensitivity);
1616 DEBUGFS_READ_FILE_OPS(chain_noise);
1617 DEBUGFS_READ_FILE_OPS(power_save_status);
1618 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1619 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1620 DEBUGFS_WRITE_FILE_OPS(csr);
1621 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1622 DEBUGFS_READ_FILE_OPS(fh_reg);
1623 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1624 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1625 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1626 DEBUGFS_READ_FILE_OPS(rxon_flags);
1627 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1628 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
1629 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
1630 DEBUGFS_WRITE_FILE_OPS(monitor_period);
1631 DEBUGFS_READ_FILE_OPS(bt_traffic);
1632
1633 /*
1634 * Create the debugfs files and directories
1635 *
1636 */
1637 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1638 {
1639 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1640 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1641
1642 dir_drv = debugfs_create_dir(name, phyd);
1643 if (!dir_drv)
1644 return -ENOMEM;
1645
1646 priv->debugfs_dir = dir_drv;
1647
1648 dir_data = debugfs_create_dir("data", dir_drv);
1649 if (!dir_data)
1650 goto err;
1651 dir_rf = debugfs_create_dir("rf", dir_drv);
1652 if (!dir_rf)
1653 goto err;
1654 dir_debug = debugfs_create_dir("debug", dir_drv);
1655 if (!dir_debug)
1656 goto err;
1657
1658 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1659 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1660 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1661 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1662 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1663 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1664 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1665 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1666 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
1667 if (!priv->cfg->broken_powersave) {
1668 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1669 S_IWUSR | S_IRUSR);
1670 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1671 }
1672 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1673 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1674 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1675 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1676 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1677 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1678 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1679 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1680 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1681 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1682 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1683 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1684 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1685 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1686 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1687 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1688 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1689 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1690 if (priv->cfg->ops->lib->dev_txfifo_flush)
1691 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
1692
1693 if (priv->cfg->sensitivity_calib_by_driver)
1694 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1695 if (priv->cfg->chain_noise_calib_by_driver)
1696 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1697 if (priv->cfg->ucode_tracing)
1698 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1699 if (priv->cfg->bt_statistics)
1700 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
1701 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1702 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1703 DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR);
1704 if (priv->cfg->advanced_bt_coexist)
1705 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
1706 if (priv->cfg->sensitivity_calib_by_driver)
1707 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1708 &priv->disable_sens_cal);
1709 if (priv->cfg->chain_noise_calib_by_driver)
1710 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1711 &priv->disable_chain_noise_cal);
1712 if (priv->cfg->tx_power_by_driver)
1713 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1714 &priv->disable_tx_power_cal);
1715 return 0;
1716
1717 err:
1718 IWL_ERR(priv, "Can't create the debugfs directory\n");
1719 iwl_dbgfs_unregister(priv);
1720 return -ENOMEM;
1721 }
1722 EXPORT_SYMBOL(iwl_dbgfs_register);
1723
1724 /**
1725 * Remove the debugfs files and directories
1726 *
1727 */
1728 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1729 {
1730 if (!priv->debugfs_dir)
1731 return;
1732
1733 debugfs_remove_recursive(priv->debugfs_dir);
1734 priv->debugfs_dir = NULL;
1735 }
1736 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1737
1738
1739
Linux kernel - Deliverables
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