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iwlwifi: introduce iwl_advanced_bt_coexist()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blobbde16acb08caa1b5636d220fa4868f2ddf035aac
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42
43 /* create and remove of files */
44 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
45 if (!debugfs_create_file(#name, mode, parent, priv, \
46 &iwl_dbgfs_##name##_ops)) \
47 goto err; \
48 } while (0)
49
50 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
51 struct dentry *__tmp; \
52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 parent, ptr); \
54 if (IS_ERR(__tmp) || !__tmp) \
55 goto err; \
56 } while (0)
57
58 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
59 struct dentry *__tmp; \
60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 parent, ptr); \
62 if (IS_ERR(__tmp) || !__tmp) \
63 goto err; \
64 } while (0)
65
66 /* file operation */
67 #define DEBUGFS_READ_FUNC(name) \
68 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
69 char __user *user_buf, \
70 size_t count, loff_t *ppos);
71
72 #define DEBUGFS_WRITE_FUNC(name) \
73 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
74 const char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77
78 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79 {
80 file->private_data = inode->i_private;
81 return 0;
82 }
83
84 #define DEBUGFS_READ_FILE_OPS(name) \
85 DEBUGFS_READ_FUNC(name); \
86 static const struct file_operations iwl_dbgfs_##name##_ops = { \
87 .read = iwl_dbgfs_##name##_read, \
88 .open = iwl_dbgfs_open_file_generic, \
89 .llseek = generic_file_llseek, \
90 };
91
92 #define DEBUGFS_WRITE_FILE_OPS(name) \
93 DEBUGFS_WRITE_FUNC(name); \
94 static const struct file_operations iwl_dbgfs_##name##_ops = { \
95 .write = iwl_dbgfs_##name##_write, \
96 .open = iwl_dbgfs_open_file_generic, \
97 .llseek = generic_file_llseek, \
98 };
99
100
101 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
102 DEBUGFS_READ_FUNC(name); \
103 DEBUGFS_WRITE_FUNC(name); \
104 static const struct file_operations iwl_dbgfs_##name##_ops = { \
105 .write = iwl_dbgfs_##name##_write, \
106 .read = iwl_dbgfs_##name##_read, \
107 .open = iwl_dbgfs_open_file_generic, \
108 .llseek = generic_file_llseek, \
109 };
110
111 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
112 char __user *user_buf,
113 size_t count, loff_t *ppos) {
114
115 struct iwl_priv *priv = file->private_data;
116 char *buf;
117 int pos = 0;
118
119 int cnt;
120 ssize_t ret;
121 const size_t bufsz = 100 +
122 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
123 buf = kzalloc(bufsz, GFP_KERNEL);
124 if (!buf)
125 return -ENOMEM;
126 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
127 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
128 pos += scnprintf(buf + pos, bufsz - pos,
129 "\t%25s\t\t: %u\n",
130 get_mgmt_string(cnt),
131 priv->tx_stats.mgmt[cnt]);
132 }
133 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
134 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
135 pos += scnprintf(buf + pos, bufsz - pos,
136 "\t%25s\t\t: %u\n",
137 get_ctrl_string(cnt),
138 priv->tx_stats.ctrl[cnt]);
139 }
140 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
141 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
142 priv->tx_stats.data_cnt);
143 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
144 priv->tx_stats.data_bytes);
145 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
146 kfree(buf);
147 return ret;
148 }
149
150 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
151 const char __user *user_buf,
152 size_t count, loff_t *ppos)
153 {
154 struct iwl_priv *priv = file->private_data;
155 u32 clear_flag;
156 char buf[8];
157 int buf_size;
158
159 memset(buf, 0, sizeof(buf));
160 buf_size = min(count, sizeof(buf) - 1);
161 if (copy_from_user(buf, user_buf, buf_size))
162 return -EFAULT;
163 if (sscanf(buf, "%x", &clear_flag) != 1)
164 return -EFAULT;
165 iwl_clear_traffic_stats(priv);
166
167 return count;
168 }
169
170 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
171 char __user *user_buf,
172 size_t count, loff_t *ppos) {
173
174 struct iwl_priv *priv = file->private_data;
175 char *buf;
176 int pos = 0;
177 int cnt;
178 ssize_t ret;
179 const size_t bufsz = 100 +
180 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
181 buf = kzalloc(bufsz, GFP_KERNEL);
182 if (!buf)
183 return -ENOMEM;
184
185 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
186 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
187 pos += scnprintf(buf + pos, bufsz - pos,
188 "\t%25s\t\t: %u\n",
189 get_mgmt_string(cnt),
190 priv->rx_stats.mgmt[cnt]);
191 }
192 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
193 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
194 pos += scnprintf(buf + pos, bufsz - pos,
195 "\t%25s\t\t: %u\n",
196 get_ctrl_string(cnt),
197 priv->rx_stats.ctrl[cnt]);
198 }
199 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
200 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
201 priv->rx_stats.data_cnt);
202 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
203 priv->rx_stats.data_bytes);
204
205 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
206 kfree(buf);
207 return ret;
208 }
209
210 static ssize_t iwl_dbgfs_sram_read(struct file *file,
211 char __user *user_buf,
212 size_t count, loff_t *ppos)
213 {
214 u32 val = 0;
215 char *buf;
216 ssize_t ret;
217 int i = 0;
218 bool device_format = false;
219 int offset = 0;
220 int len = 0;
221 int pos = 0;
222 int sram;
223 struct iwl_priv *priv = file->private_data;
224 size_t bufsz;
225
226 /* default is to dump the entire data segment */
227 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
228 priv->dbgfs_sram_offset = 0x800000;
229 if (priv->ucode_type == UCODE_INIT)
230 priv->dbgfs_sram_len = priv->ucode_init_data.len;
231 else
232 priv->dbgfs_sram_len = priv->ucode_data.len;
233 }
234 len = priv->dbgfs_sram_len;
235
236 if (len == -4) {
237 device_format = true;
238 len = 4;
239 }
240
241 bufsz = 50 + len * 4;
242 buf = kmalloc(bufsz, GFP_KERNEL);
243 if (!buf)
244 return -ENOMEM;
245
246 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
247 len);
248 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
249 priv->dbgfs_sram_offset);
250
251 /* adjust sram address since reads are only on even u32 boundaries */
252 offset = priv->dbgfs_sram_offset & 0x3;
253 sram = priv->dbgfs_sram_offset & ~0x3;
254
255 /* read the first u32 from sram */
256 val = iwl_read_targ_mem(priv, sram);
257
258 for (; len; len--) {
259 /* put the address at the start of every line */
260 if (i == 0)
261 pos += scnprintf(buf + pos, bufsz - pos,
262 "%08X: ", sram + offset);
263
264 if (device_format)
265 pos += scnprintf(buf + pos, bufsz - pos,
266 "%02x", (val >> (8 * (3 - offset))) & 0xff);
267 else
268 pos += scnprintf(buf + pos, bufsz - pos,
269 "%02x ", (val >> (8 * offset)) & 0xff);
270
271 /* if all bytes processed, read the next u32 from sram */
272 if (++offset == 4) {
273 sram += 4;
274 offset = 0;
275 val = iwl_read_targ_mem(priv, sram);
276 }
277
278 /* put in extra spaces and split lines for human readability */
279 if (++i == 16) {
280 i = 0;
281 pos += scnprintf(buf + pos, bufsz - pos, "\n");
282 } else if (!(i & 7)) {
283 pos += scnprintf(buf + pos, bufsz - pos, " ");
284 } else if (!(i & 3)) {
285 pos += scnprintf(buf + pos, bufsz - pos, " ");
286 }
287 }
288 if (i)
289 pos += scnprintf(buf + pos, bufsz - pos, "\n");
290
291 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
292 kfree(buf);
293 return ret;
294 }
295
296 static ssize_t iwl_dbgfs_sram_write(struct file *file,
297 const char __user *user_buf,
298 size_t count, loff_t *ppos)
299 {
300 struct iwl_priv *priv = file->private_data;
301 char buf[64];
302 int buf_size;
303 u32 offset, len;
304
305 memset(buf, 0, sizeof(buf));
306 buf_size = min(count, sizeof(buf) - 1);
307 if (copy_from_user(buf, user_buf, buf_size))
308 return -EFAULT;
309
310 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
311 priv->dbgfs_sram_offset = offset;
312 priv->dbgfs_sram_len = len;
313 } else if (sscanf(buf, "%x", &offset) == 1) {
314 priv->dbgfs_sram_offset = offset;
315 priv->dbgfs_sram_len = -4;
316 } else {
317 priv->dbgfs_sram_offset = 0;
318 priv->dbgfs_sram_len = 0;
319 }
320
321 return count;
322 }
323
324 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
325 size_t count, loff_t *ppos)
326 {
327 struct iwl_priv *priv = file->private_data;
328 struct iwl_station_entry *station;
329 int max_sta = priv->hw_params.max_stations;
330 char *buf;
331 int i, j, pos = 0;
332 ssize_t ret;
333 /* Add 30 for initial string */
334 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
335
336 buf = kmalloc(bufsz, GFP_KERNEL);
337 if (!buf)
338 return -ENOMEM;
339
340 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
341 priv->num_stations);
342
343 for (i = 0; i < max_sta; i++) {
344 station = &priv->stations[i];
345 if (!station->used)
346 continue;
347 pos += scnprintf(buf + pos, bufsz - pos,
348 "station %d - addr: %pM, flags: %#x\n",
349 i, station->sta.sta.addr,
350 station->sta.station_flags_msk);
351 pos += scnprintf(buf + pos, bufsz - pos,
352 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
353 pos += scnprintf(buf + pos, bufsz - pos,
354 "start_idx\tbitmap\t\t\trate_n_flags\n");
355
356 for (j = 0; j < MAX_TID_COUNT; j++) {
357 pos += scnprintf(buf + pos, bufsz - pos,
358 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
359 j, station->tid[j].seq_number,
360 station->tid[j].agg.txq_id,
361 station->tid[j].agg.frame_count,
362 station->tid[j].tfds_in_queue,
363 station->tid[j].agg.start_idx,
364 station->tid[j].agg.bitmap,
365 station->tid[j].agg.rate_n_flags);
366
367 if (station->tid[j].agg.wait_for_ba)
368 pos += scnprintf(buf + pos, bufsz - pos,
369 " - waitforba");
370 pos += scnprintf(buf + pos, bufsz - pos, "\n");
371 }
372
373 pos += scnprintf(buf + pos, bufsz - pos, "\n");
374 }
375
376 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
377 kfree(buf);
378 return ret;
379 }
380
381 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
382 char __user *user_buf,
383 size_t count,
384 loff_t *ppos)
385 {
386 ssize_t ret;
387 struct iwl_priv *priv = file->private_data;
388 int pos = 0, ofs = 0, buf_size = 0;
389 const u8 *ptr;
390 char *buf;
391 u16 eeprom_ver;
392 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
393 buf_size = 4 * eeprom_len + 256;
394
395 if (eeprom_len % 16) {
396 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
397 return -ENODATA;
398 }
399
400 ptr = priv->eeprom;
401 if (!ptr) {
402 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
403 return -ENOMEM;
404 }
405
406 /* 4 characters for byte 0xYY */
407 buf = kzalloc(buf_size, GFP_KERNEL);
408 if (!buf) {
409 IWL_ERR(priv, "Can not allocate Buffer\n");
410 return -ENOMEM;
411 }
412 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
413 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
414 "version: 0x%x\n",
415 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
416 ? "OTP" : "EEPROM", eeprom_ver);
417 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
418 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
419 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
420 buf_size - pos, 0);
421 pos += strlen(buf + pos);
422 if (buf_size - pos > 0)
423 buf[pos++] = '\n';
424 }
425
426 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
427 kfree(buf);
428 return ret;
429 }
430
431 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
432 char __user *user_buf,
433 size_t count, loff_t *ppos)
434 {
435 struct iwl_priv *priv = file->private_data;
436 char *buf;
437 int pos = 0;
438 ssize_t ret = -ENOMEM;
439
440 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
441 priv, true, &buf, true);
442 if (buf) {
443 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
444 kfree(buf);
445 }
446 return ret;
447 }
448
449 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
450 const char __user *user_buf,
451 size_t count, loff_t *ppos)
452 {
453 struct iwl_priv *priv = file->private_data;
454 u32 event_log_flag;
455 char buf[8];
456 int buf_size;
457
458 memset(buf, 0, sizeof(buf));
459 buf_size = min(count, sizeof(buf) - 1);
460 if (copy_from_user(buf, user_buf, buf_size))
461 return -EFAULT;
462 if (sscanf(buf, "%d", &event_log_flag) != 1)
463 return -EFAULT;
464 if (event_log_flag == 1)
465 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
466 NULL, false);
467
468 return count;
469 }
470
471
472
473 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
474 size_t count, loff_t *ppos)
475 {
476 struct iwl_priv *priv = file->private_data;
477 struct ieee80211_channel *channels = NULL;
478 const struct ieee80211_supported_band *supp_band = NULL;
479 int pos = 0, i, bufsz = PAGE_SIZE;
480 char *buf;
481 ssize_t ret;
482
483 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
484 return -EAGAIN;
485
486 buf = kzalloc(bufsz, GFP_KERNEL);
487 if (!buf) {
488 IWL_ERR(priv, "Can not allocate Buffer\n");
489 return -ENOMEM;
490 }
491
492 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
493 if (supp_band) {
494 channels = supp_band->channels;
495
496 pos += scnprintf(buf + pos, bufsz - pos,
497 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
498 supp_band->n_channels);
499
500 for (i = 0; i < supp_band->n_channels; i++)
501 pos += scnprintf(buf + pos, bufsz - pos,
502 "%d: %ddBm: BSS%s%s, %s.\n",
503 channels[i].hw_value,
504 channels[i].max_power,
505 channels[i].flags & IEEE80211_CHAN_RADAR ?
506 " (IEEE 802.11h required)" : "",
507 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
508 || (channels[i].flags &
509 IEEE80211_CHAN_RADAR)) ? "" :
510 ", IBSS",
511 channels[i].flags &
512 IEEE80211_CHAN_PASSIVE_SCAN ?
513 "passive only" : "active/passive");
514 }
515 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
516 if (supp_band) {
517 channels = supp_band->channels;
518
519 pos += scnprintf(buf + pos, bufsz - pos,
520 "Displaying %d channels in 5.2GHz band (802.11a)\n",
521 supp_band->n_channels);
522
523 for (i = 0; i < supp_band->n_channels; i++)
524 pos += scnprintf(buf + pos, bufsz - pos,
525 "%d: %ddBm: BSS%s%s, %s.\n",
526 channels[i].hw_value,
527 channels[i].max_power,
528 channels[i].flags & IEEE80211_CHAN_RADAR ?
529 " (IEEE 802.11h required)" : "",
530 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
531 || (channels[i].flags &
532 IEEE80211_CHAN_RADAR)) ? "" :
533 ", IBSS",
534 channels[i].flags &
535 IEEE80211_CHAN_PASSIVE_SCAN ?
536 "passive only" : "active/passive");
537 }
538 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
539 kfree(buf);
540 return ret;
541 }
542
543 static ssize_t iwl_dbgfs_status_read(struct file *file,
544 char __user *user_buf,
545 size_t count, loff_t *ppos) {
546
547 struct iwl_priv *priv = file->private_data;
548 char buf[512];
549 int pos = 0;
550 const size_t bufsz = sizeof(buf);
551
552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
553 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
555 test_bit(STATUS_INT_ENABLED, &priv->status));
556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
557 test_bit(STATUS_RF_KILL_HW, &priv->status));
558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
559 test_bit(STATUS_CT_KILL, &priv->status));
560 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
561 test_bit(STATUS_INIT, &priv->status));
562 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
563 test_bit(STATUS_ALIVE, &priv->status));
564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
565 test_bit(STATUS_READY, &priv->status));
566 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
567 test_bit(STATUS_TEMPERATURE, &priv->status));
568 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
569 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
570 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
571 test_bit(STATUS_EXIT_PENDING, &priv->status));
572 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
573 test_bit(STATUS_STATISTICS, &priv->status));
574 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
575 test_bit(STATUS_SCANNING, &priv->status));
576 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
577 test_bit(STATUS_SCAN_ABORTING, &priv->status));
578 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
579 test_bit(STATUS_SCAN_HW, &priv->status));
580 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
581 test_bit(STATUS_POWER_PMI, &priv->status));
582 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
583 test_bit(STATUS_FW_ERROR, &priv->status));
584 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
585 }
586
587 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
588 char __user *user_buf,
589 size_t count, loff_t *ppos) {
590
591 struct iwl_priv *priv = file->private_data;
592 int pos = 0;
593 int cnt = 0;
594 char *buf;
595 int bufsz = 24 * 64; /* 24 items * 64 char per item */
596 ssize_t ret;
597
598 buf = kzalloc(bufsz, GFP_KERNEL);
599 if (!buf) {
600 IWL_ERR(priv, "Can not allocate Buffer\n");
601 return -ENOMEM;
602 }
603
604 pos += scnprintf(buf + pos, bufsz - pos,
605 "Interrupt Statistics Report:\n");
606
607 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
608 priv->isr_stats.hw);
609 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
610 priv->isr_stats.sw);
611 if (priv->isr_stats.sw || priv->isr_stats.hw) {
612 pos += scnprintf(buf + pos, bufsz - pos,
613 "\tLast Restarting Code: 0x%X\n",
614 priv->isr_stats.err_code);
615 }
616 #ifdef CONFIG_IWLWIFI_DEBUG
617 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
618 priv->isr_stats.sch);
619 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
620 priv->isr_stats.alive);
621 #endif
622 pos += scnprintf(buf + pos, bufsz - pos,
623 "HW RF KILL switch toggled:\t %u\n",
624 priv->isr_stats.rfkill);
625
626 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
627 priv->isr_stats.ctkill);
628
629 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
630 priv->isr_stats.wakeup);
631
632 pos += scnprintf(buf + pos, bufsz - pos,
633 "Rx command responses:\t\t %u\n",
634 priv->isr_stats.rx);
635 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
636 if (priv->isr_stats.rx_handlers[cnt] > 0)
637 pos += scnprintf(buf + pos, bufsz - pos,
638 "\tRx handler[%36s]:\t\t %u\n",
639 get_cmd_string(cnt),
640 priv->isr_stats.rx_handlers[cnt]);
641 }
642
643 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
644 priv->isr_stats.tx);
645
646 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
647 priv->isr_stats.unhandled);
648
649 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
650 kfree(buf);
651 return ret;
652 }
653
654 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
655 const char __user *user_buf,
656 size_t count, loff_t *ppos)
657 {
658 struct iwl_priv *priv = file->private_data;
659 char buf[8];
660 int buf_size;
661 u32 reset_flag;
662
663 memset(buf, 0, sizeof(buf));
664 buf_size = min(count, sizeof(buf) - 1);
665 if (copy_from_user(buf, user_buf, buf_size))
666 return -EFAULT;
667 if (sscanf(buf, "%x", &reset_flag) != 1)
668 return -EFAULT;
669 if (reset_flag == 0)
670 iwl_clear_isr_stats(priv);
671
672 return count;
673 }
674
675 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
676 size_t count, loff_t *ppos)
677 {
678 struct iwl_priv *priv = file->private_data;
679 struct iwl_rxon_context *ctx;
680 int pos = 0, i;
681 char buf[256 * NUM_IWL_RXON_CTX];
682 const size_t bufsz = sizeof(buf);
683
684 for_each_context(priv, ctx) {
685 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
686 ctx->ctxid);
687 for (i = 0; i < AC_NUM; i++) {
688 pos += scnprintf(buf + pos, bufsz - pos,
689 "\tcw_min\tcw_max\taifsn\ttxop\n");
690 pos += scnprintf(buf + pos, bufsz - pos,
691 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
692 ctx->qos_data.def_qos_parm.ac[i].cw_min,
693 ctx->qos_data.def_qos_parm.ac[i].cw_max,
694 ctx->qos_data.def_qos_parm.ac[i].aifsn,
695 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
696 }
697 pos += scnprintf(buf + pos, bufsz - pos, "\n");
698 }
699 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
700 }
701
702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
703 char __user *user_buf,
704 size_t count, loff_t *ppos)
705 {
706 struct iwl_priv *priv = file->private_data;
707 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
708 struct iwl_tt_restriction *restriction;
709 char buf[100];
710 int pos = 0;
711 const size_t bufsz = sizeof(buf);
712
713 pos += scnprintf(buf + pos, bufsz - pos,
714 "Thermal Throttling Mode: %s\n",
715 tt->advanced_tt ? "Advance" : "Legacy");
716 pos += scnprintf(buf + pos, bufsz - pos,
717 "Thermal Throttling State: %d\n",
718 tt->state);
719 if (tt->advanced_tt) {
720 restriction = tt->restriction + tt->state;
721 pos += scnprintf(buf + pos, bufsz - pos,
722 "Tx mode: %d\n",
723 restriction->tx_stream);
724 pos += scnprintf(buf + pos, bufsz - pos,
725 "Rx mode: %d\n",
726 restriction->rx_stream);
727 pos += scnprintf(buf + pos, bufsz - pos,
728 "HT mode: %d\n",
729 restriction->is_ht);
730 }
731 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
732 }
733
734 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
735 const char __user *user_buf,
736 size_t count, loff_t *ppos)
737 {
738 struct iwl_priv *priv = file->private_data;
739 char buf[8];
740 int buf_size;
741 int ht40;
742
743 memset(buf, 0, sizeof(buf));
744 buf_size = min(count, sizeof(buf) - 1);
745 if (copy_from_user(buf, user_buf, buf_size))
746 return -EFAULT;
747 if (sscanf(buf, "%d", &ht40) != 1)
748 return -EFAULT;
749 if (!iwl_is_any_associated(priv))
750 priv->disable_ht40 = ht40 ? true : false;
751 else {
752 IWL_ERR(priv, "Sta associated with AP - "
753 "Change to 40MHz channel support is not allowed\n");
754 return -EINVAL;
755 }
756
757 return count;
758 }
759
760 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
761 char __user *user_buf,
762 size_t count, loff_t *ppos)
763 {
764 struct iwl_priv *priv = file->private_data;
765 char buf[100];
766 int pos = 0;
767 const size_t bufsz = sizeof(buf);
768
769 pos += scnprintf(buf + pos, bufsz - pos,
770 "11n 40MHz Mode: %s\n",
771 priv->disable_ht40 ? "Disabled" : "Enabled");
772 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
773 }
774
775 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
776 const char __user *user_buf,
777 size_t count, loff_t *ppos)
778 {
779 struct iwl_priv *priv = file->private_data;
780 char buf[8];
781 int buf_size;
782 int value;
783
784 memset(buf, 0, sizeof(buf));
785 buf_size = min(count, sizeof(buf) - 1);
786 if (copy_from_user(buf, user_buf, buf_size))
787 return -EFAULT;
788
789 if (sscanf(buf, "%d", &value) != 1)
790 return -EINVAL;
791
792 /*
793 * Our users expect 0 to be "CAM", but 0 isn't actually
794 * valid here. However, let's not confuse them and present
795 * IWL_POWER_INDEX_1 as "1", not "0".
796 */
797 if (value == 0)
798 return -EINVAL;
799 else if (value > 0)
800 value -= 1;
801
802 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
803 return -EINVAL;
804
805 if (!iwl_is_ready_rf(priv))
806 return -EAGAIN;
807
808 priv->power_data.debug_sleep_level_override = value;
809
810 mutex_lock(&priv->mutex);
811 iwl_power_update_mode(priv, true);
812 mutex_unlock(&priv->mutex);
813
814 return count;
815 }
816
817 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
818 char __user *user_buf,
819 size_t count, loff_t *ppos)
820 {
821 struct iwl_priv *priv = file->private_data;
822 char buf[10];
823 int pos, value;
824 const size_t bufsz = sizeof(buf);
825
826 /* see the write function */
827 value = priv->power_data.debug_sleep_level_override;
828 if (value >= 0)
829 value += 1;
830
831 pos = scnprintf(buf, bufsz, "%d\n", value);
832 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
833 }
834
835 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
836 char __user *user_buf,
837 size_t count, loff_t *ppos)
838 {
839 struct iwl_priv *priv = file->private_data;
840 char buf[200];
841 int pos = 0, i;
842 const size_t bufsz = sizeof(buf);
843 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
844
845 pos += scnprintf(buf + pos, bufsz - pos,
846 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
847 pos += scnprintf(buf + pos, bufsz - pos,
848 "RX/TX timeout: %d/%d usec\n",
849 le32_to_cpu(cmd->rx_data_timeout),
850 le32_to_cpu(cmd->tx_data_timeout));
851 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
852 pos += scnprintf(buf + pos, bufsz - pos,
853 "sleep_interval[%d]: %d\n", i,
854 le32_to_cpu(cmd->sleep_interval[i]));
855
856 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
857 }
858
859 DEBUGFS_READ_WRITE_FILE_OPS(sram);
860 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
861 DEBUGFS_READ_FILE_OPS(nvm);
862 DEBUGFS_READ_FILE_OPS(stations);
863 DEBUGFS_READ_FILE_OPS(channels);
864 DEBUGFS_READ_FILE_OPS(status);
865 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
866 DEBUGFS_READ_FILE_OPS(qos);
867 DEBUGFS_READ_FILE_OPS(thermal_throttling);
868 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
869 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
870 DEBUGFS_READ_FILE_OPS(current_sleep_command);
871
872 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
873 char __user *user_buf,
874 size_t count, loff_t *ppos)
875 {
876 struct iwl_priv *priv = file->private_data;
877 int pos = 0, ofs = 0;
878 int cnt = 0, entry;
879 struct iwl_tx_queue *txq;
880 struct iwl_queue *q;
881 struct iwl_rx_queue *rxq = &priv->rxq;
882 char *buf;
883 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
884 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
885 const u8 *ptr;
886 ssize_t ret;
887
888 if (!priv->txq) {
889 IWL_ERR(priv, "txq not ready\n");
890 return -EAGAIN;
891 }
892 buf = kzalloc(bufsz, GFP_KERNEL);
893 if (!buf) {
894 IWL_ERR(priv, "Can not allocate buffer\n");
895 return -ENOMEM;
896 }
897 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
898 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
899 txq = &priv->txq[cnt];
900 q = &txq->q;
901 pos += scnprintf(buf + pos, bufsz - pos,
902 "q[%d]: read_ptr: %u, write_ptr: %u\n",
903 cnt, q->read_ptr, q->write_ptr);
904 }
905 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
906 ptr = priv->tx_traffic;
907 pos += scnprintf(buf + pos, bufsz - pos,
908 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
909 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
910 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
911 entry++, ofs += 16) {
912 pos += scnprintf(buf + pos, bufsz - pos,
913 "0x%.4x ", ofs);
914 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
915 buf + pos, bufsz - pos, 0);
916 pos += strlen(buf + pos);
917 if (bufsz - pos > 0)
918 buf[pos++] = '\n';
919 }
920 }
921 }
922
923 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
924 pos += scnprintf(buf + pos, bufsz - pos,
925 "read: %u, write: %u\n",
926 rxq->read, rxq->write);
927
928 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
929 ptr = priv->rx_traffic;
930 pos += scnprintf(buf + pos, bufsz - pos,
931 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
932 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
933 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
934 entry++, ofs += 16) {
935 pos += scnprintf(buf + pos, bufsz - pos,
936 "0x%.4x ", ofs);
937 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
938 buf + pos, bufsz - pos, 0);
939 pos += strlen(buf + pos);
940 if (bufsz - pos > 0)
941 buf[pos++] = '\n';
942 }
943 }
944 }
945
946 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
947 kfree(buf);
948 return ret;
949 }
950
951 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
952 const char __user *user_buf,
953 size_t count, loff_t *ppos)
954 {
955 struct iwl_priv *priv = file->private_data;
956 char buf[8];
957 int buf_size;
958 int traffic_log;
959
960 memset(buf, 0, sizeof(buf));
961 buf_size = min(count, sizeof(buf) - 1);
962 if (copy_from_user(buf, user_buf, buf_size))
963 return -EFAULT;
964 if (sscanf(buf, "%d", &traffic_log) != 1)
965 return -EFAULT;
966 if (traffic_log == 0)
967 iwl_reset_traffic_log(priv);
968
969 return count;
970 }
971
972 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
973 char __user *user_buf,
974 size_t count, loff_t *ppos) {
975
976 struct iwl_priv *priv = file->private_data;
977 struct iwl_tx_queue *txq;
978 struct iwl_queue *q;
979 char *buf;
980 int pos = 0;
981 int cnt;
982 int ret;
983 const size_t bufsz = sizeof(char) * 64 *
984 priv->cfg->base_params->num_of_queues;
985
986 if (!priv->txq) {
987 IWL_ERR(priv, "txq not ready\n");
988 return -EAGAIN;
989 }
990 buf = kzalloc(bufsz, GFP_KERNEL);
991 if (!buf)
992 return -ENOMEM;
993
994 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
995 txq = &priv->txq[cnt];
996 q = &txq->q;
997 pos += scnprintf(buf + pos, bufsz - pos,
998 "hwq %.2d: read=%u write=%u stop=%d"
999 " swq_id=%#.2x (ac %d/hwq %d)\n",
1000 cnt, q->read_ptr, q->write_ptr,
1001 !!test_bit(cnt, priv->queue_stopped),
1002 txq->swq_id, txq->swq_id & 3,
1003 (txq->swq_id >> 2) & 0x1f);
1004 if (cnt >= 4)
1005 continue;
1006 /* for the ACs, display the stop count too */
1007 pos += scnprintf(buf + pos, bufsz - pos,
1008 " stop-count: %d\n",
1009 atomic_read(&priv->queue_stop_count[cnt]));
1010 }
1011 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1012 kfree(buf);
1013 return ret;
1014 }
1015
1016 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1017 char __user *user_buf,
1018 size_t count, loff_t *ppos) {
1019
1020 struct iwl_priv *priv = file->private_data;
1021 struct iwl_rx_queue *rxq = &priv->rxq;
1022 char buf[256];
1023 int pos = 0;
1024 const size_t bufsz = sizeof(buf);
1025
1026 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1027 rxq->read);
1028 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1029 rxq->write);
1030 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1031 rxq->free_count);
1032 if (rxq->rb_stts) {
1033 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1034 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1035 } else {
1036 pos += scnprintf(buf + pos, bufsz - pos,
1037 "closed_rb_num: Not Allocated\n");
1038 }
1039 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040 }
1041
1042 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1043 char __user *user_buf,
1044 size_t count, loff_t *ppos)
1045 {
1046 struct iwl_priv *priv = file->private_data;
1047 return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
1048 user_buf, count, ppos);
1049 }
1050
1051 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1052 char __user *user_buf,
1053 size_t count, loff_t *ppos)
1054 {
1055 struct iwl_priv *priv = file->private_data;
1056 return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
1057 user_buf, count, ppos);
1058 }
1059
1060 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1061 char __user *user_buf,
1062 size_t count, loff_t *ppos)
1063 {
1064 struct iwl_priv *priv = file->private_data;
1065 return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
1066 user_buf, count, ppos);
1067 }
1068
1069 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1070 char __user *user_buf,
1071 size_t count, loff_t *ppos) {
1072
1073 struct iwl_priv *priv = file->private_data;
1074 int pos = 0;
1075 int cnt = 0;
1076 char *buf;
1077 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1078 ssize_t ret;
1079 struct iwl_sensitivity_data *data;
1080
1081 data = &priv->sensitivity_data;
1082 buf = kzalloc(bufsz, GFP_KERNEL);
1083 if (!buf) {
1084 IWL_ERR(priv, "Can not allocate Buffer\n");
1085 return -ENOMEM;
1086 }
1087
1088 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1089 data->auto_corr_ofdm);
1090 pos += scnprintf(buf + pos, bufsz - pos,
1091 "auto_corr_ofdm_mrc:\t\t %u\n",
1092 data->auto_corr_ofdm_mrc);
1093 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1094 data->auto_corr_ofdm_x1);
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1097 data->auto_corr_ofdm_mrc_x1);
1098 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1099 data->auto_corr_cck);
1100 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1101 data->auto_corr_cck_mrc);
1102 pos += scnprintf(buf + pos, bufsz - pos,
1103 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1104 data->last_bad_plcp_cnt_ofdm);
1105 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1106 data->last_fa_cnt_ofdm);
1107 pos += scnprintf(buf + pos, bufsz - pos,
1108 "last_bad_plcp_cnt_cck:\t\t %u\n",
1109 data->last_bad_plcp_cnt_cck);
1110 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1111 data->last_fa_cnt_cck);
1112 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1113 data->nrg_curr_state);
1114 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1115 data->nrg_prev_state);
1116 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1117 for (cnt = 0; cnt < 10; cnt++) {
1118 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1119 data->nrg_value[cnt]);
1120 }
1121 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1122 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1123 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1124 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1125 data->nrg_silence_rssi[cnt]);
1126 }
1127 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1128 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1129 data->nrg_silence_ref);
1130 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1131 data->nrg_energy_idx);
1132 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1133 data->nrg_silence_idx);
1134 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1135 data->nrg_th_cck);
1136 pos += scnprintf(buf + pos, bufsz - pos,
1137 "nrg_auto_corr_silence_diff:\t %u\n",
1138 data->nrg_auto_corr_silence_diff);
1139 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1140 data->num_in_cck_no_fa);
1141 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1142 data->nrg_th_ofdm);
1143
1144 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1145 kfree(buf);
1146 return ret;
1147 }
1148
1149
1150 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1151 char __user *user_buf,
1152 size_t count, loff_t *ppos) {
1153
1154 struct iwl_priv *priv = file->private_data;
1155 int pos = 0;
1156 int cnt = 0;
1157 char *buf;
1158 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1159 ssize_t ret;
1160 struct iwl_chain_noise_data *data;
1161
1162 data = &priv->chain_noise_data;
1163 buf = kzalloc(bufsz, GFP_KERNEL);
1164 if (!buf) {
1165 IWL_ERR(priv, "Can not allocate Buffer\n");
1166 return -ENOMEM;
1167 }
1168
1169 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1170 data->active_chains);
1171 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1172 data->chain_noise_a);
1173 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1174 data->chain_noise_b);
1175 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1176 data->chain_noise_c);
1177 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1178 data->chain_signal_a);
1179 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1180 data->chain_signal_b);
1181 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1182 data->chain_signal_c);
1183 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1184 data->beacon_count);
1185
1186 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1187 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1188 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1189 data->disconn_array[cnt]);
1190 }
1191 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1192 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1193 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1194 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1195 data->delta_gain_code[cnt]);
1196 }
1197 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1198 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1199 data->radio_write);
1200 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1201 data->state);
1202
1203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1204 kfree(buf);
1205 return ret;
1206 }
1207
1208 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1209 char __user *user_buf,
1210 size_t count, loff_t *ppos)
1211 {
1212 struct iwl_priv *priv = file->private_data;
1213 char buf[60];
1214 int pos = 0;
1215 const size_t bufsz = sizeof(buf);
1216 u32 pwrsave_status;
1217
1218 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1219 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1220
1221 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1222 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1223 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1224 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1225 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1226 "error");
1227
1228 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1229 }
1230
1231 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1232 const char __user *user_buf,
1233 size_t count, loff_t *ppos)
1234 {
1235 struct iwl_priv *priv = file->private_data;
1236 char buf[8];
1237 int buf_size;
1238 int clear;
1239
1240 memset(buf, 0, sizeof(buf));
1241 buf_size = min(count, sizeof(buf) - 1);
1242 if (copy_from_user(buf, user_buf, buf_size))
1243 return -EFAULT;
1244 if (sscanf(buf, "%d", &clear) != 1)
1245 return -EFAULT;
1246
1247 /* make request to uCode to retrieve statistics information */
1248 mutex_lock(&priv->mutex);
1249 iwl_send_statistics_request(priv, CMD_SYNC, true);
1250 mutex_unlock(&priv->mutex);
1251
1252 return count;
1253 }
1254
1255 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1256 const char __user *user_buf,
1257 size_t count, loff_t *ppos)
1258 {
1259 struct iwl_priv *priv = file->private_data;
1260 char buf[8];
1261 int buf_size;
1262 int csr;
1263
1264 memset(buf, 0, sizeof(buf));
1265 buf_size = min(count, sizeof(buf) - 1);
1266 if (copy_from_user(buf, user_buf, buf_size))
1267 return -EFAULT;
1268 if (sscanf(buf, "%d", &csr) != 1)
1269 return -EFAULT;
1270
1271 if (priv->cfg->ops->lib->dump_csr)
1272 priv->cfg->ops->lib->dump_csr(priv);
1273
1274 return count;
1275 }
1276
1277 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1278 char __user *user_buf,
1279 size_t count, loff_t *ppos) {
1280
1281 struct iwl_priv *priv = file->private_data;
1282 int pos = 0;
1283 char buf[128];
1284 const size_t bufsz = sizeof(buf);
1285
1286 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1287 priv->event_log.ucode_trace ? "On" : "Off");
1288 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1289 priv->event_log.non_wraps_count);
1290 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1291 priv->event_log.wraps_once_count);
1292 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1293 priv->event_log.wraps_more_count);
1294
1295 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1296 }
1297
1298 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1299 const char __user *user_buf,
1300 size_t count, loff_t *ppos)
1301 {
1302 struct iwl_priv *priv = file->private_data;
1303 char buf[8];
1304 int buf_size;
1305 int trace;
1306
1307 memset(buf, 0, sizeof(buf));
1308 buf_size = min(count, sizeof(buf) - 1);
1309 if (copy_from_user(buf, user_buf, buf_size))
1310 return -EFAULT;
1311 if (sscanf(buf, "%d", &trace) != 1)
1312 return -EFAULT;
1313
1314 if (trace) {
1315 priv->event_log.ucode_trace = true;
1316 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1317 mod_timer(&priv->ucode_trace,
1318 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1319 } else {
1320 priv->event_log.ucode_trace = false;
1321 del_timer_sync(&priv->ucode_trace);
1322 }
1323
1324 return count;
1325 }
1326
1327 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1328 char __user *user_buf,
1329 size_t count, loff_t *ppos) {
1330
1331 struct iwl_priv *priv = file->private_data;
1332 int len = 0;
1333 char buf[20];
1334
1335 len = sprintf(buf, "0x%04X\n",
1336 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1337 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1338 }
1339
1340 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1341 char __user *user_buf,
1342 size_t count, loff_t *ppos) {
1343
1344 struct iwl_priv *priv = file->private_data;
1345 int len = 0;
1346 char buf[20];
1347
1348 len = sprintf(buf, "0x%04X\n",
1349 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1350 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1351 }
1352
1353 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
1354 char __user *user_buf,
1355 size_t count, loff_t *ppos)
1356 {
1357 struct iwl_priv *priv = file->private_data;
1358 char *buf;
1359 int pos = 0;
1360 ssize_t ret = -EFAULT;
1361
1362 if (priv->cfg->ops->lib->dump_fh) {
1363 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
1364 if (buf) {
1365 ret = simple_read_from_buffer(user_buf,
1366 count, ppos, buf, pos);
1367 kfree(buf);
1368 }
1369 }
1370
1371 return ret;
1372 }
1373
1374 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1375 char __user *user_buf,
1376 size_t count, loff_t *ppos) {
1377
1378 struct iwl_priv *priv = file->private_data;
1379 int pos = 0;
1380 char buf[12];
1381 const size_t bufsz = sizeof(buf);
1382
1383 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1384 priv->missed_beacon_threshold);
1385
1386 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1387 }
1388
1389 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1390 const char __user *user_buf,
1391 size_t count, loff_t *ppos)
1392 {
1393 struct iwl_priv *priv = file->private_data;
1394 char buf[8];
1395 int buf_size;
1396 int missed;
1397
1398 memset(buf, 0, sizeof(buf));
1399 buf_size = min(count, sizeof(buf) - 1);
1400 if (copy_from_user(buf, user_buf, buf_size))
1401 return -EFAULT;
1402 if (sscanf(buf, "%d", &missed) != 1)
1403 return -EINVAL;
1404
1405 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
1406 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
1407 priv->missed_beacon_threshold =
1408 IWL_MISSED_BEACON_THRESHOLD_DEF;
1409 else
1410 priv->missed_beacon_threshold = missed;
1411
1412 return count;
1413 }
1414
1415 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
1416 char __user *user_buf,
1417 size_t count, loff_t *ppos) {
1418
1419 struct iwl_priv *priv = file->private_data;
1420 int pos = 0;
1421 char buf[12];
1422 const size_t bufsz = sizeof(buf);
1423
1424 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
1425 priv->cfg->base_params->plcp_delta_threshold);
1426
1427 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1428 }
1429
1430 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
1431 const char __user *user_buf,
1432 size_t count, loff_t *ppos) {
1433
1434 struct iwl_priv *priv = file->private_data;
1435 char buf[8];
1436 int buf_size;
1437 int plcp;
1438
1439 memset(buf, 0, sizeof(buf));
1440 buf_size = min(count, sizeof(buf) - 1);
1441 if (copy_from_user(buf, user_buf, buf_size))
1442 return -EFAULT;
1443 if (sscanf(buf, "%d", &plcp) != 1)
1444 return -EINVAL;
1445 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
1446 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
1447 priv->cfg->base_params->plcp_delta_threshold =
1448 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
1449 else
1450 priv->cfg->base_params->plcp_delta_threshold = plcp;
1451 return count;
1452 }
1453
1454 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
1455 char __user *user_buf,
1456 size_t count, loff_t *ppos) {
1457
1458 struct iwl_priv *priv = file->private_data;
1459 int i, pos = 0;
1460 char buf[300];
1461 const size_t bufsz = sizeof(buf);
1462 struct iwl_force_reset *force_reset;
1463
1464 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
1465 force_reset = &priv->force_reset[i];
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 "Force reset method %d\n", i);
1468 pos += scnprintf(buf + pos, bufsz - pos,
1469 "\tnumber of reset request: %d\n",
1470 force_reset->reset_request_count);
1471 pos += scnprintf(buf + pos, bufsz - pos,
1472 "\tnumber of reset request success: %d\n",
1473 force_reset->reset_success_count);
1474 pos += scnprintf(buf + pos, bufsz - pos,
1475 "\tnumber of reset request reject: %d\n",
1476 force_reset->reset_reject_count);
1477 pos += scnprintf(buf + pos, bufsz - pos,
1478 "\treset duration: %lu\n",
1479 force_reset->reset_duration);
1480 }
1481 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1482 }
1483
1484 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
1485 const char __user *user_buf,
1486 size_t count, loff_t *ppos) {
1487
1488 struct iwl_priv *priv = file->private_data;
1489 char buf[8];
1490 int buf_size;
1491 int reset, ret;
1492
1493 memset(buf, 0, sizeof(buf));
1494 buf_size = min(count, sizeof(buf) - 1);
1495 if (copy_from_user(buf, user_buf, buf_size))
1496 return -EFAULT;
1497 if (sscanf(buf, "%d", &reset) != 1)
1498 return -EINVAL;
1499 switch (reset) {
1500 case IWL_RF_RESET:
1501 case IWL_FW_RESET:
1502 ret = iwl_force_reset(priv, reset, true);
1503 break;
1504 default:
1505 return -EINVAL;
1506 }
1507 return ret ? ret : count;
1508 }
1509
1510 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
1511 const char __user *user_buf,
1512 size_t count, loff_t *ppos) {
1513
1514 struct iwl_priv *priv = file->private_data;
1515 char buf[8];
1516 int buf_size;
1517 int flush;
1518
1519 memset(buf, 0, sizeof(buf));
1520 buf_size = min(count, sizeof(buf) - 1);
1521 if (copy_from_user(buf, user_buf, buf_size))
1522 return -EFAULT;
1523 if (sscanf(buf, "%d", &flush) != 1)
1524 return -EINVAL;
1525
1526 if (iwl_is_rfkill(priv))
1527 return -EFAULT;
1528
1529 priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL);
1530
1531 return count;
1532 }
1533
1534 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1535 char __user *user_buf,
1536 size_t count, loff_t *ppos)
1537 {
1538 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1539
1540 return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file,
1541 user_buf, count, ppos);
1542 }
1543
1544 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
1545 const char __user *user_buf,
1546 size_t count, loff_t *ppos) {
1547
1548 struct iwl_priv *priv = file->private_data;
1549 char buf[8];
1550 int buf_size;
1551 int timeout;
1552
1553 memset(buf, 0, sizeof(buf));
1554 buf_size = min(count, sizeof(buf) - 1);
1555 if (copy_from_user(buf, user_buf, buf_size))
1556 return -EFAULT;
1557 if (sscanf(buf, "%d", &timeout) != 1)
1558 return -EINVAL;
1559 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
1560 timeout = IWL_DEF_WD_TIMEOUT;
1561
1562 priv->cfg->base_params->wd_timeout = timeout;
1563 iwl_setup_watchdog(priv);
1564 return count;
1565 }
1566
1567 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1568 char __user *user_buf,
1569 size_t count, loff_t *ppos) {
1570
1571 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1572 int pos = 0;
1573 char buf[200];
1574 const size_t bufsz = sizeof(buf);
1575 ssize_t ret;
1576
1577 if (!priv->bt_enable_flag) {
1578 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
1579 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1580 return ret;
1581 }
1582 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
1583 priv->bt_enable_flag);
1584 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1585 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1586 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1587 "last traffic notif: %d\n",
1588 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
1589 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1590 "sco_active: %d, kill_ack_mask: %x, "
1591 "kill_cts_mask: %x\n",
1592 priv->bt_ch_announce, priv->bt_sco_active,
1593 priv->kill_ack_mask, priv->kill_cts_mask);
1594
1595 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1596 switch (priv->bt_traffic_load) {
1597 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1598 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1599 break;
1600 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1601 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1602 break;
1603 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1604 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1605 break;
1606 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1607 default:
1608 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1609 break;
1610 }
1611
1612 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1613 return ret;
1614 }
1615
1616 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1617 char __user *user_buf,
1618 size_t count, loff_t *ppos)
1619 {
1620 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1621
1622 int pos = 0;
1623 char buf[40];
1624 const size_t bufsz = sizeof(buf);
1625
1626 if (priv->cfg->ht_params)
1627 pos += scnprintf(buf + pos, bufsz - pos,
1628 "use %s for aggregation\n",
1629 (priv->cfg->ht_params->use_rts_for_aggregation) ?
1630 "rts/cts" : "cts-to-self");
1631 else
1632 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1633
1634 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1635 }
1636
1637 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1638 const char __user *user_buf,
1639 size_t count, loff_t *ppos) {
1640
1641 struct iwl_priv *priv = file->private_data;
1642 char buf[8];
1643 int buf_size;
1644 int rts;
1645
1646 if (!priv->cfg->ht_params)
1647 return -EINVAL;
1648
1649 memset(buf, 0, sizeof(buf));
1650 buf_size = min(count, sizeof(buf) - 1);
1651 if (copy_from_user(buf, user_buf, buf_size))
1652 return -EFAULT;
1653 if (sscanf(buf, "%d", &rts) != 1)
1654 return -EINVAL;
1655 if (rts)
1656 priv->cfg->ht_params->use_rts_for_aggregation = true;
1657 else
1658 priv->cfg->ht_params->use_rts_for_aggregation = false;
1659 return count;
1660 }
1661
1662 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1663 char __user *user_buf,
1664 size_t count, loff_t *ppos)
1665 {
1666 struct iwl_priv *priv = file->private_data;
1667
1668 if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1669 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1670 file, user_buf, count, ppos);
1671 else
1672 return -ENODATA;
1673 }
1674 DEBUGFS_READ_FILE_OPS(rx_statistics);
1675 DEBUGFS_READ_FILE_OPS(tx_statistics);
1676 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1677 DEBUGFS_READ_FILE_OPS(rx_queue);
1678 DEBUGFS_READ_FILE_OPS(tx_queue);
1679 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1680 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1681 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1682 DEBUGFS_READ_FILE_OPS(sensitivity);
1683 DEBUGFS_READ_FILE_OPS(chain_noise);
1684 DEBUGFS_READ_FILE_OPS(power_save_status);
1685 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1686 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1687 DEBUGFS_WRITE_FILE_OPS(csr);
1688 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1689 DEBUGFS_READ_FILE_OPS(fh_reg);
1690 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1691 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1692 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1693 DEBUGFS_READ_FILE_OPS(rxon_flags);
1694 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1695 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
1696 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
1697 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
1698 DEBUGFS_READ_FILE_OPS(bt_traffic);
1699 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
1700 DEBUGFS_READ_FILE_OPS(reply_tx_error);
1701
1702 /*
1703 * Create the debugfs files and directories
1704 *
1705 */
1706 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1707 {
1708 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1709 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1710
1711 dir_drv = debugfs_create_dir(name, phyd);
1712 if (!dir_drv)
1713 return -ENOMEM;
1714
1715 priv->debugfs_dir = dir_drv;
1716
1717 dir_data = debugfs_create_dir("data", dir_drv);
1718 if (!dir_data)
1719 goto err;
1720 dir_rf = debugfs_create_dir("rf", dir_drv);
1721 if (!dir_rf)
1722 goto err;
1723 dir_debug = debugfs_create_dir("debug", dir_drv);
1724 if (!dir_debug)
1725 goto err;
1726
1727 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1728 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1729 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1730 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1731 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1732 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1733 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1734 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1735 if (!priv->cfg->base_params->broken_powersave) {
1736 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1737 S_IWUSR | S_IRUSR);
1738 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1739 }
1740 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1741 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1742 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1743 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1744 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1745 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1746 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1747 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1748 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1749 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1750 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1751 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1752 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1753 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1754 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1755 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1756 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1757 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1758 if (priv->cfg->ops->lib->dev_txfifo_flush)
1759 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
1760 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
1761
1762 if (priv->cfg->base_params->sensitivity_calib_by_driver)
1763 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1764 if (priv->cfg->base_params->chain_noise_calib_by_driver)
1765 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1766 if (priv->cfg->base_params->ucode_tracing)
1767 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1768 if (priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics)
1769 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
1770 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
1771 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1772 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1773 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
1774 if (iwl_advanced_bt_coexist(priv))
1775 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
1776 if (priv->cfg->base_params->sensitivity_calib_by_driver)
1777 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1778 &priv->disable_sens_cal);
1779 if (priv->cfg->base_params->chain_noise_calib_by_driver)
1780 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1781 &priv->disable_chain_noise_cal);
1782 if (priv->cfg->base_params->tx_power_by_driver)
1783 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1784 &priv->disable_tx_power_cal);
1785 return 0;
1786
1787 err:
1788 IWL_ERR(priv, "Can't create the debugfs directory\n");
1789 iwl_dbgfs_unregister(priv);
1790 return -ENOMEM;
1791 }
1792 EXPORT_SYMBOL(iwl_dbgfs_register);
1793
1794 /**
1795 * Remove the debugfs files and directories
1796 *
1797 */
1798 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1799 {
1800 if (!priv->debugfs_dir)
1801 return;
1802
1803 debugfs_remove_recursive(priv->debugfs_dir);
1804 priv->debugfs_dir = NULL;
1805 }
1806 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1807
1808
1809
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree