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proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blob6fe80b5e7a159ab0b91450314e1cd89d7feedcd5
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 #define BYTE1_MASK 0x000000ff;
211 #define BYTE2_MASK 0x0000ffff;
212 #define BYTE3_MASK 0x00ffffff;
213 static ssize_t iwl_dbgfs_sram_read(struct file *file,
214 char __user *user_buf,
215 size_t count, loff_t *ppos)
216 {
217 u32 val;
218 char *buf;
219 ssize_t ret;
220 int i;
221 int pos = 0;
222 struct iwl_priv *priv = file->private_data;
223 size_t bufsz;
224
225 /* default is to dump the entire data segment */
226 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
227 priv->dbgfs_sram_offset = 0x800000;
228 if (priv->ucode_type == UCODE_INIT)
229 priv->dbgfs_sram_len = priv->ucode_init_data.len;
230 else
231 priv->dbgfs_sram_len = priv->ucode_data.len;
232 }
233 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
234 buf = kmalloc(bufsz, GFP_KERNEL);
235 if (!buf)
236 return -ENOMEM;
237 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
238 priv->dbgfs_sram_len);
239 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
240 priv->dbgfs_sram_offset);
241 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
242 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
243 priv->dbgfs_sram_len - i);
244 if (i < 4) {
245 switch (i) {
246 case 1:
247 val &= BYTE1_MASK;
248 break;
249 case 2:
250 val &= BYTE2_MASK;
251 break;
252 case 3:
253 val &= BYTE3_MASK;
254 break;
255 }
256 }
257 if (!(i % 16))
258 pos += scnprintf(buf + pos, bufsz - pos, "\n");
259 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
260 }
261 pos += scnprintf(buf + pos, bufsz - pos, "\n");
262
263 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
264 kfree(buf);
265 return ret;
266 }
267
268 static ssize_t iwl_dbgfs_sram_write(struct file *file,
269 const char __user *user_buf,
270 size_t count, loff_t *ppos)
271 {
272 struct iwl_priv *priv = file->private_data;
273 char buf[64];
274 int buf_size;
275 u32 offset, len;
276
277 memset(buf, 0, sizeof(buf));
278 buf_size = min(count, sizeof(buf) - 1);
279 if (copy_from_user(buf, user_buf, buf_size))
280 return -EFAULT;
281
282 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
283 priv->dbgfs_sram_offset = offset;
284 priv->dbgfs_sram_len = len;
285 } else {
286 priv->dbgfs_sram_offset = 0;
287 priv->dbgfs_sram_len = 0;
288 }
289
290 return count;
291 }
292
293 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
294 size_t count, loff_t *ppos)
295 {
296 struct iwl_priv *priv = file->private_data;
297 struct iwl_station_entry *station;
298 int max_sta = priv->hw_params.max_stations;
299 char *buf;
300 int i, j, pos = 0;
301 ssize_t ret;
302 /* Add 30 for initial string */
303 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
304
305 buf = kmalloc(bufsz, GFP_KERNEL);
306 if (!buf)
307 return -ENOMEM;
308
309 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
310 priv->num_stations);
311
312 for (i = 0; i < max_sta; i++) {
313 station = &priv->stations[i];
314 if (!station->used)
315 continue;
316 pos += scnprintf(buf + pos, bufsz - pos,
317 "station %d - addr: %pM, flags: %#x\n",
318 i, station->sta.sta.addr,
319 station->sta.station_flags_msk);
320 pos += scnprintf(buf + pos, bufsz - pos,
321 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
322 pos += scnprintf(buf + pos, bufsz - pos,
323 "start_idx\tbitmap\t\t\trate_n_flags\n");
324
325 for (j = 0; j < MAX_TID_COUNT; j++) {
326 pos += scnprintf(buf + pos, bufsz - pos,
327 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
328 j, station->tid[j].seq_number,
329 station->tid[j].agg.txq_id,
330 station->tid[j].agg.frame_count,
331 station->tid[j].tfds_in_queue,
332 station->tid[j].agg.start_idx,
333 station->tid[j].agg.bitmap,
334 station->tid[j].agg.rate_n_flags);
335
336 if (station->tid[j].agg.wait_for_ba)
337 pos += scnprintf(buf + pos, bufsz - pos,
338 " - waitforba");
339 pos += scnprintf(buf + pos, bufsz - pos, "\n");
340 }
341
342 pos += scnprintf(buf + pos, bufsz - pos, "\n");
343 }
344
345 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
346 kfree(buf);
347 return ret;
348 }
349
350 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
351 char __user *user_buf,
352 size_t count,
353 loff_t *ppos)
354 {
355 ssize_t ret;
356 struct iwl_priv *priv = file->private_data;
357 int pos = 0, ofs = 0, buf_size = 0;
358 const u8 *ptr;
359 char *buf;
360 u16 eeprom_ver;
361 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
362 buf_size = 4 * eeprom_len + 256;
363
364 if (eeprom_len % 16) {
365 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
366 return -ENODATA;
367 }
368
369 ptr = priv->eeprom;
370 if (!ptr) {
371 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
372 return -ENOMEM;
373 }
374
375 /* 4 characters for byte 0xYY */
376 buf = kzalloc(buf_size, GFP_KERNEL);
377 if (!buf) {
378 IWL_ERR(priv, "Can not allocate Buffer\n");
379 return -ENOMEM;
380 }
381 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
382 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
383 "version: 0x%x\n",
384 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
385 ? "OTP" : "EEPROM", eeprom_ver);
386 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
387 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
388 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
389 buf_size - pos, 0);
390 pos += strlen(buf + pos);
391 if (buf_size - pos > 0)
392 buf[pos++] = '\n';
393 }
394
395 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
396 kfree(buf);
397 return ret;
398 }
399
400 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
401 char __user *user_buf,
402 size_t count, loff_t *ppos)
403 {
404 struct iwl_priv *priv = file->private_data;
405 char *buf;
406 int pos = 0;
407 ssize_t ret = -ENOMEM;
408
409 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
410 priv, true, &buf, true);
411 if (buf) {
412 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
413 kfree(buf);
414 }
415 return ret;
416 }
417
418 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
419 const char __user *user_buf,
420 size_t count, loff_t *ppos)
421 {
422 struct iwl_priv *priv = file->private_data;
423 u32 event_log_flag;
424 char buf[8];
425 int buf_size;
426
427 memset(buf, 0, sizeof(buf));
428 buf_size = min(count, sizeof(buf) - 1);
429 if (copy_from_user(buf, user_buf, buf_size))
430 return -EFAULT;
431 if (sscanf(buf, "%d", &event_log_flag) != 1)
432 return -EFAULT;
433 if (event_log_flag == 1)
434 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
435 NULL, false);
436
437 return count;
438 }
439
440
441
442 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
443 size_t count, loff_t *ppos)
444 {
445 struct iwl_priv *priv = file->private_data;
446 struct ieee80211_channel *channels = NULL;
447 const struct ieee80211_supported_band *supp_band = NULL;
448 int pos = 0, i, bufsz = PAGE_SIZE;
449 char *buf;
450 ssize_t ret;
451
452 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
453 return -EAGAIN;
454
455 buf = kzalloc(bufsz, GFP_KERNEL);
456 if (!buf) {
457 IWL_ERR(priv, "Can not allocate Buffer\n");
458 return -ENOMEM;
459 }
460
461 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
462 if (supp_band) {
463 channels = supp_band->channels;
464
465 pos += scnprintf(buf + pos, bufsz - pos,
466 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
467 supp_band->n_channels);
468
469 for (i = 0; i < supp_band->n_channels; i++)
470 pos += scnprintf(buf + pos, bufsz - pos,
471 "%d: %ddBm: BSS%s%s, %s.\n",
472 channels[i].hw_value,
473 channels[i].max_power,
474 channels[i].flags & IEEE80211_CHAN_RADAR ?
475 " (IEEE 802.11h required)" : "",
476 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
477 || (channels[i].flags &
478 IEEE80211_CHAN_RADAR)) ? "" :
479 ", IBSS",
480 channels[i].flags &
481 IEEE80211_CHAN_PASSIVE_SCAN ?
482 "passive only" : "active/passive");
483 }
484 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
485 if (supp_band) {
486 channels = supp_band->channels;
487
488 pos += scnprintf(buf + pos, bufsz - pos,
489 "Displaying %d channels in 5.2GHz band (802.11a)\n",
490 supp_band->n_channels);
491
492 for (i = 0; i < supp_band->n_channels; i++)
493 pos += scnprintf(buf + pos, bufsz - pos,
494 "%d: %ddBm: BSS%s%s, %s.\n",
495 channels[i].hw_value,
496 channels[i].max_power,
497 channels[i].flags & IEEE80211_CHAN_RADAR ?
498 " (IEEE 802.11h required)" : "",
499 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
500 || (channels[i].flags &
501 IEEE80211_CHAN_RADAR)) ? "" :
502 ", IBSS",
503 channels[i].flags &
504 IEEE80211_CHAN_PASSIVE_SCAN ?
505 "passive only" : "active/passive");
506 }
507 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
508 kfree(buf);
509 return ret;
510 }
511
512 static ssize_t iwl_dbgfs_status_read(struct file *file,
513 char __user *user_buf,
514 size_t count, loff_t *ppos) {
515
516 struct iwl_priv *priv = file->private_data;
517 char buf[512];
518 int pos = 0;
519 const size_t bufsz = sizeof(buf);
520
521 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
522 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
523 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
524 test_bit(STATUS_INT_ENABLED, &priv->status));
525 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
526 test_bit(STATUS_RF_KILL_HW, &priv->status));
527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
528 test_bit(STATUS_CT_KILL, &priv->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
530 test_bit(STATUS_INIT, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
532 test_bit(STATUS_ALIVE, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
534 test_bit(STATUS_READY, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
536 test_bit(STATUS_TEMPERATURE, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
538 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
540 test_bit(STATUS_EXIT_PENDING, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
542 test_bit(STATUS_STATISTICS, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
544 test_bit(STATUS_SCANNING, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
546 test_bit(STATUS_SCAN_ABORTING, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
548 test_bit(STATUS_SCAN_HW, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
550 test_bit(STATUS_POWER_PMI, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
552 test_bit(STATUS_FW_ERROR, &priv->status));
553 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
554 }
555
556 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
557 char __user *user_buf,
558 size_t count, loff_t *ppos) {
559
560 struct iwl_priv *priv = file->private_data;
561 int pos = 0;
562 int cnt = 0;
563 char *buf;
564 int bufsz = 24 * 64; /* 24 items * 64 char per item */
565 ssize_t ret;
566
567 buf = kzalloc(bufsz, GFP_KERNEL);
568 if (!buf) {
569 IWL_ERR(priv, "Can not allocate Buffer\n");
570 return -ENOMEM;
571 }
572
573 pos += scnprintf(buf + pos, bufsz - pos,
574 "Interrupt Statistics Report:\n");
575
576 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
577 priv->isr_stats.hw);
578 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
579 priv->isr_stats.sw);
580 if (priv->isr_stats.sw || priv->isr_stats.hw) {
581 pos += scnprintf(buf + pos, bufsz - pos,
582 "\tLast Restarting Code: 0x%X\n",
583 priv->isr_stats.err_code);
584 }
585 #ifdef CONFIG_IWLWIFI_DEBUG
586 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
587 priv->isr_stats.sch);
588 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
589 priv->isr_stats.alive);
590 #endif
591 pos += scnprintf(buf + pos, bufsz - pos,
592 "HW RF KILL switch toggled:\t %u\n",
593 priv->isr_stats.rfkill);
594
595 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
596 priv->isr_stats.ctkill);
597
598 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
599 priv->isr_stats.wakeup);
600
601 pos += scnprintf(buf + pos, bufsz - pos,
602 "Rx command responses:\t\t %u\n",
603 priv->isr_stats.rx);
604 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
605 if (priv->isr_stats.rx_handlers[cnt] > 0)
606 pos += scnprintf(buf + pos, bufsz - pos,
607 "\tRx handler[%36s]:\t\t %u\n",
608 get_cmd_string(cnt),
609 priv->isr_stats.rx_handlers[cnt]);
610 }
611
612 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
613 priv->isr_stats.tx);
614
615 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
616 priv->isr_stats.unhandled);
617
618 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
619 kfree(buf);
620 return ret;
621 }
622
623 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
624 const char __user *user_buf,
625 size_t count, loff_t *ppos)
626 {
627 struct iwl_priv *priv = file->private_data;
628 char buf[8];
629 int buf_size;
630 u32 reset_flag;
631
632 memset(buf, 0, sizeof(buf));
633 buf_size = min(count, sizeof(buf) - 1);
634 if (copy_from_user(buf, user_buf, buf_size))
635 return -EFAULT;
636 if (sscanf(buf, "%x", &reset_flag) != 1)
637 return -EFAULT;
638 if (reset_flag == 0)
639 iwl_clear_isr_stats(priv);
640
641 return count;
642 }
643
644 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
645 size_t count, loff_t *ppos)
646 {
647 struct iwl_priv *priv = file->private_data;
648 struct iwl_rxon_context *ctx;
649 int pos = 0, i;
650 char buf[256 * NUM_IWL_RXON_CTX];
651 const size_t bufsz = sizeof(buf);
652
653 for_each_context(priv, ctx) {
654 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
655 ctx->ctxid);
656 for (i = 0; i < AC_NUM; i++) {
657 pos += scnprintf(buf + pos, bufsz - pos,
658 "\tcw_min\tcw_max\taifsn\ttxop\n");
659 pos += scnprintf(buf + pos, bufsz - pos,
660 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
661 ctx->qos_data.def_qos_parm.ac[i].cw_min,
662 ctx->qos_data.def_qos_parm.ac[i].cw_max,
663 ctx->qos_data.def_qos_parm.ac[i].aifsn,
664 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
665 }
666 pos += scnprintf(buf + pos, bufsz - pos, "\n");
667 }
668 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
669 }
670
671 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
672 size_t count, loff_t *ppos)
673 {
674 struct iwl_priv *priv = file->private_data;
675 int pos = 0;
676 char buf[256];
677 const size_t bufsz = sizeof(buf);
678
679 pos += scnprintf(buf + pos, bufsz - pos,
680 "allow blinking: %s\n",
681 (priv->allow_blinking) ? "True" : "False");
682 if (priv->allow_blinking) {
683 pos += scnprintf(buf + pos, bufsz - pos,
684 "Led blinking rate: %u\n",
685 priv->last_blink_rate);
686 pos += scnprintf(buf + pos, bufsz - pos,
687 "Last blink time: %lu\n",
688 priv->last_blink_time);
689 }
690
691 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
692 }
693
694 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
695 char __user *user_buf,
696 size_t count, loff_t *ppos)
697 {
698 struct iwl_priv *priv = file->private_data;
699 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
700 struct iwl_tt_restriction *restriction;
701 char buf[100];
702 int pos = 0;
703 const size_t bufsz = sizeof(buf);
704
705 pos += scnprintf(buf + pos, bufsz - pos,
706 "Thermal Throttling Mode: %s\n",
707 tt->advanced_tt ? "Advance" : "Legacy");
708 pos += scnprintf(buf + pos, bufsz - pos,
709 "Thermal Throttling State: %d\n",
710 tt->state);
711 if (tt->advanced_tt) {
712 restriction = tt->restriction + tt->state;
713 pos += scnprintf(buf + pos, bufsz - pos,
714 "Tx mode: %d\n",
715 restriction->tx_stream);
716 pos += scnprintf(buf + pos, bufsz - pos,
717 "Rx mode: %d\n",
718 restriction->rx_stream);
719 pos += scnprintf(buf + pos, bufsz - pos,
720 "HT mode: %d\n",
721 restriction->is_ht);
722 }
723 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
724 }
725
726 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
727 const char __user *user_buf,
728 size_t count, loff_t *ppos)
729 {
730 struct iwl_priv *priv = file->private_data;
731 char buf[8];
732 int buf_size;
733 int ht40;
734
735 memset(buf, 0, sizeof(buf));
736 buf_size = min(count, sizeof(buf) - 1);
737 if (copy_from_user(buf, user_buf, buf_size))
738 return -EFAULT;
739 if (sscanf(buf, "%d", &ht40) != 1)
740 return -EFAULT;
741 if (!iwl_is_any_associated(priv))
742 priv->disable_ht40 = ht40 ? true : false;
743 else {
744 IWL_ERR(priv, "Sta associated with AP - "
745 "Change to 40MHz channel support is not allowed\n");
746 return -EINVAL;
747 }
748
749 return count;
750 }
751
752 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
753 char __user *user_buf,
754 size_t count, loff_t *ppos)
755 {
756 struct iwl_priv *priv = file->private_data;
757 char buf[100];
758 int pos = 0;
759 const size_t bufsz = sizeof(buf);
760
761 pos += scnprintf(buf + pos, bufsz - pos,
762 "11n 40MHz Mode: %s\n",
763 priv->disable_ht40 ? "Disabled" : "Enabled");
764 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
765 }
766
767 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
768 const char __user *user_buf,
769 size_t count, loff_t *ppos)
770 {
771 struct iwl_priv *priv = file->private_data;
772 char buf[8];
773 int buf_size;
774 int value;
775
776 memset(buf, 0, sizeof(buf));
777 buf_size = min(count, sizeof(buf) - 1);
778 if (copy_from_user(buf, user_buf, buf_size))
779 return -EFAULT;
780
781 if (sscanf(buf, "%d", &value) != 1)
782 return -EINVAL;
783
784 /*
785 * Our users expect 0 to be "CAM", but 0 isn't actually
786 * valid here. However, let's not confuse them and present
787 * IWL_POWER_INDEX_1 as "1", not "0".
788 */
789 if (value == 0)
790 return -EINVAL;
791 else if (value > 0)
792 value -= 1;
793
794 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
795 return -EINVAL;
796
797 if (!iwl_is_ready_rf(priv))
798 return -EAGAIN;
799
800 priv->power_data.debug_sleep_level_override = value;
801
802 mutex_lock(&priv->mutex);
803 iwl_power_update_mode(priv, true);
804 mutex_unlock(&priv->mutex);
805
806 return count;
807 }
808
809 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
810 char __user *user_buf,
811 size_t count, loff_t *ppos)
812 {
813 struct iwl_priv *priv = file->private_data;
814 char buf[10];
815 int pos, value;
816 const size_t bufsz = sizeof(buf);
817
818 /* see the write function */
819 value = priv->power_data.debug_sleep_level_override;
820 if (value >= 0)
821 value += 1;
822
823 pos = scnprintf(buf, bufsz, "%d\n", value);
824 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
825 }
826
827 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
828 char __user *user_buf,
829 size_t count, loff_t *ppos)
830 {
831 struct iwl_priv *priv = file->private_data;
832 char buf[200];
833 int pos = 0, i;
834 const size_t bufsz = sizeof(buf);
835 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
836
837 pos += scnprintf(buf + pos, bufsz - pos,
838 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
839 pos += scnprintf(buf + pos, bufsz - pos,
840 "RX/TX timeout: %d/%d usec\n",
841 le32_to_cpu(cmd->rx_data_timeout),
842 le32_to_cpu(cmd->tx_data_timeout));
843 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
844 pos += scnprintf(buf + pos, bufsz - pos,
845 "sleep_interval[%d]: %d\n", i,
846 le32_to_cpu(cmd->sleep_interval[i]));
847
848 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
849 }
850
851 DEBUGFS_READ_WRITE_FILE_OPS(sram);
852 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
853 DEBUGFS_READ_FILE_OPS(nvm);
854 DEBUGFS_READ_FILE_OPS(stations);
855 DEBUGFS_READ_FILE_OPS(channels);
856 DEBUGFS_READ_FILE_OPS(status);
857 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
858 DEBUGFS_READ_FILE_OPS(qos);
859 DEBUGFS_READ_FILE_OPS(led);
860 DEBUGFS_READ_FILE_OPS(thermal_throttling);
861 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
862 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
863 DEBUGFS_READ_FILE_OPS(current_sleep_command);
864
865 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
866 char __user *user_buf,
867 size_t count, loff_t *ppos)
868 {
869 struct iwl_priv *priv = file->private_data;
870 int pos = 0, ofs = 0;
871 int cnt = 0, entry;
872 struct iwl_tx_queue *txq;
873 struct iwl_queue *q;
874 struct iwl_rx_queue *rxq = &priv->rxq;
875 char *buf;
876 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
877 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
878 const u8 *ptr;
879 ssize_t ret;
880
881 if (!priv->txq) {
882 IWL_ERR(priv, "txq not ready\n");
883 return -EAGAIN;
884 }
885 buf = kzalloc(bufsz, GFP_KERNEL);
886 if (!buf) {
887 IWL_ERR(priv, "Can not allocate buffer\n");
888 return -ENOMEM;
889 }
890 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
891 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
892 txq = &priv->txq[cnt];
893 q = &txq->q;
894 pos += scnprintf(buf + pos, bufsz - pos,
895 "q[%d]: read_ptr: %u, write_ptr: %u\n",
896 cnt, q->read_ptr, q->write_ptr);
897 }
898 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
899 ptr = priv->tx_traffic;
900 pos += scnprintf(buf + pos, bufsz - pos,
901 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
902 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
903 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
904 entry++, ofs += 16) {
905 pos += scnprintf(buf + pos, bufsz - pos,
906 "0x%.4x ", ofs);
907 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
908 buf + pos, bufsz - pos, 0);
909 pos += strlen(buf + pos);
910 if (bufsz - pos > 0)
911 buf[pos++] = '\n';
912 }
913 }
914 }
915
916 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
917 pos += scnprintf(buf + pos, bufsz - pos,
918 "read: %u, write: %u\n",
919 rxq->read, rxq->write);
920
921 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
922 ptr = priv->rx_traffic;
923 pos += scnprintf(buf + pos, bufsz - pos,
924 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
925 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
926 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
927 entry++, ofs += 16) {
928 pos += scnprintf(buf + pos, bufsz - pos,
929 "0x%.4x ", ofs);
930 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
931 buf + pos, bufsz - pos, 0);
932 pos += strlen(buf + pos);
933 if (bufsz - pos > 0)
934 buf[pos++] = '\n';
935 }
936 }
937 }
938
939 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
940 kfree(buf);
941 return ret;
942 }
943
944 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
945 const char __user *user_buf,
946 size_t count, loff_t *ppos)
947 {
948 struct iwl_priv *priv = file->private_data;
949 char buf[8];
950 int buf_size;
951 int traffic_log;
952
953 memset(buf, 0, sizeof(buf));
954 buf_size = min(count, sizeof(buf) - 1);
955 if (copy_from_user(buf, user_buf, buf_size))
956 return -EFAULT;
957 if (sscanf(buf, "%d", &traffic_log) != 1)
958 return -EFAULT;
959 if (traffic_log == 0)
960 iwl_reset_traffic_log(priv);
961
962 return count;
963 }
964
965 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
966 char __user *user_buf,
967 size_t count, loff_t *ppos) {
968
969 struct iwl_priv *priv = file->private_data;
970 struct iwl_tx_queue *txq;
971 struct iwl_queue *q;
972 char *buf;
973 int pos = 0;
974 int cnt;
975 int ret;
976 const size_t bufsz = sizeof(char) * 64 *
977 priv->cfg->base_params->num_of_queues;
978
979 if (!priv->txq) {
980 IWL_ERR(priv, "txq not ready\n");
981 return -EAGAIN;
982 }
983 buf = kzalloc(bufsz, GFP_KERNEL);
984 if (!buf)
985 return -ENOMEM;
986
987 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
988 txq = &priv->txq[cnt];
989 q = &txq->q;
990 pos += scnprintf(buf + pos, bufsz - pos,
991 "hwq %.2d: read=%u write=%u stop=%d"
992 " swq_id=%#.2x (ac %d/hwq %d)\n",
993 cnt, q->read_ptr, q->write_ptr,
994 !!test_bit(cnt, priv->queue_stopped),
995 txq->swq_id, txq->swq_id & 3,
996 (txq->swq_id >> 2) & 0x1f);
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->base_params->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->base_params->plcp_delta_threshold =
1441 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
1442 else
1443 priv->cfg->base_params->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_wd_timeout_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 timeout;
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", &timeout) != 1)
1551 return -EINVAL;
1552 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
1553 timeout = IWL_DEF_WD_TIMEOUT;
1554
1555 priv->cfg->base_params->wd_timeout = timeout;
1556 iwl_setup_watchdog(priv);
1557 return count;
1558 }
1559
1560 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
1561 char __user *user_buf,
1562 size_t count, loff_t *ppos) {
1563
1564 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1565 int pos = 0;
1566 char buf[200];
1567 const size_t bufsz = sizeof(buf);
1568 ssize_t ret;
1569
1570 if (!priv->bt_enable_flag) {
1571 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
1572 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1573 return ret;
1574 }
1575 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
1576 priv->bt_enable_flag);
1577 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
1578 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
1579 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
1580 "last traffic notif: %d\n",
1581 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
1582 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
1583 "sco_active: %d, kill_ack_mask: %x, "
1584 "kill_cts_mask: %x\n",
1585 priv->bt_ch_announce, priv->bt_sco_active,
1586 priv->kill_ack_mask, priv->kill_cts_mask);
1587
1588 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
1589 switch (priv->bt_traffic_load) {
1590 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
1591 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
1592 break;
1593 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
1594 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
1595 break;
1596 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
1597 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
1598 break;
1599 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
1600 default:
1601 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
1602 break;
1603 }
1604
1605 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1606 return ret;
1607 }
1608
1609 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
1610 char __user *user_buf,
1611 size_t count, loff_t *ppos)
1612 {
1613 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1614
1615 int pos = 0;
1616 char buf[40];
1617 const size_t bufsz = sizeof(buf);
1618
1619 if (priv->cfg->ht_params)
1620 pos += scnprintf(buf + pos, bufsz - pos,
1621 "use %s for aggregation\n",
1622 (priv->cfg->ht_params->use_rts_for_aggregation) ?
1623 "rts/cts" : "cts-to-self");
1624 else
1625 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
1626
1627 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1628 }
1629
1630 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
1631 const char __user *user_buf,
1632 size_t count, loff_t *ppos) {
1633
1634 struct iwl_priv *priv = file->private_data;
1635 char buf[8];
1636 int buf_size;
1637 int rts;
1638
1639 if (!priv->cfg->ht_params)
1640 return -EINVAL;
1641
1642 memset(buf, 0, sizeof(buf));
1643 buf_size = min(count, sizeof(buf) - 1);
1644 if (copy_from_user(buf, user_buf, buf_size))
1645 return -EFAULT;
1646 if (sscanf(buf, "%d", &rts) != 1)
1647 return -EINVAL;
1648 if (rts)
1649 priv->cfg->ht_params->use_rts_for_aggregation = true;
1650 else
1651 priv->cfg->ht_params->use_rts_for_aggregation = false;
1652 return count;
1653 }
1654
1655 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1656 char __user *user_buf,
1657 size_t count, loff_t *ppos)
1658 {
1659 struct iwl_priv *priv = file->private_data;
1660
1661 if (priv->cfg->ops->lib->debugfs_ops.reply_tx_error)
1662 return priv->cfg->ops->lib->debugfs_ops.reply_tx_error(
1663 file, user_buf, count, ppos);
1664 else
1665 return -ENODATA;
1666 }
1667 DEBUGFS_READ_FILE_OPS(rx_statistics);
1668 DEBUGFS_READ_FILE_OPS(tx_statistics);
1669 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1670 DEBUGFS_READ_FILE_OPS(rx_queue);
1671 DEBUGFS_READ_FILE_OPS(tx_queue);
1672 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1673 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1674 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1675 DEBUGFS_READ_FILE_OPS(sensitivity);
1676 DEBUGFS_READ_FILE_OPS(chain_noise);
1677 DEBUGFS_READ_FILE_OPS(power_save_status);
1678 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1679 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1680 DEBUGFS_WRITE_FILE_OPS(csr);
1681 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1682 DEBUGFS_READ_FILE_OPS(fh_reg);
1683 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
1684 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
1685 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
1686 DEBUGFS_READ_FILE_OPS(rxon_flags);
1687 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
1688 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
1689 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
1690 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
1691 DEBUGFS_READ_FILE_OPS(bt_traffic);
1692 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
1693 DEBUGFS_READ_FILE_OPS(reply_tx_error);
1694
1695 /*
1696 * Create the debugfs files and directories
1697 *
1698 */
1699 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1700 {
1701 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1702 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
1703
1704 dir_drv = debugfs_create_dir(name, phyd);
1705 if (!dir_drv)
1706 return -ENOMEM;
1707
1708 priv->debugfs_dir = dir_drv;
1709
1710 dir_data = debugfs_create_dir("data", dir_drv);
1711 if (!dir_data)
1712 goto err;
1713 dir_rf = debugfs_create_dir("rf", dir_drv);
1714 if (!dir_rf)
1715 goto err;
1716 dir_debug = debugfs_create_dir("debug", dir_drv);
1717 if (!dir_debug)
1718 goto err;
1719
1720 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
1721 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
1722 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
1723 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
1724 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
1725 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
1726 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
1727 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
1728 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
1729 if (!priv->cfg->base_params->broken_powersave) {
1730 DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
1731 S_IWUSR | S_IRUSR);
1732 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
1733 }
1734 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
1735 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
1736 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
1737 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
1738 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
1739 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
1740 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
1741 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
1742 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
1743 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
1744 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
1745 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
1746 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
1747 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
1748 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
1749 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
1750 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
1751 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
1752 if (priv->cfg->ops->lib->dev_txfifo_flush)
1753 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
1754 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
1755
1756 if (priv->cfg->base_params->sensitivity_calib_by_driver)
1757 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
1758 if (priv->cfg->base_params->chain_noise_calib_by_driver)
1759 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
1760 if (priv->cfg->base_params->ucode_tracing)
1761 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
1762 if (priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics)
1763 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
1764 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
1765 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
1766 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
1767 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
1768 if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist)
1769 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
1770 if (priv->cfg->base_params->sensitivity_calib_by_driver)
1771 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
1772 &priv->disable_sens_cal);
1773 if (priv->cfg->base_params->chain_noise_calib_by_driver)
1774 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
1775 &priv->disable_chain_noise_cal);
1776 if (priv->cfg->base_params->tx_power_by_driver)
1777 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
1778 &priv->disable_tx_power_cal);
1779 return 0;
1780
1781 err:
1782 IWL_ERR(priv, "Can't create the debugfs directory\n");
1783 iwl_dbgfs_unregister(priv);
1784 return -ENOMEM;
1785 }
1786 EXPORT_SYMBOL(iwl_dbgfs_register);
1787
1788 /**
1789 * Remove the debugfs files and directories
1790 *
1791 */
1792 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1793 {
1794 if (!priv->debugfs_dir)
1795 return;
1796
1797 debugfs_remove_recursive(priv->debugfs_dir);
1798 priv->debugfs_dir = NULL;
1799 }
1800 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1801
1802
1803
linux-next