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29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/debugfs.h>
32
33#include <linux/ieee80211.h>
34#include <net/mac80211.h>
35
36
37#include "iwl-dev.h"
38#include "iwl-debug.h"
39#include "iwl-core.h"
40#include "iwl-io.h"
41#include "iwl-calib.h"
42
43
44#define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48} while (0)
49
50#define DEBUGFS_ADD_FILE(name, parent) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
52 debugfs_create_file(#name, S_IWUSR | S_IRUSR, \
53 dbgfs->dir_##parent, priv, \
54 &iwl_dbgfs_##name##_ops); \
55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
56 goto err; \
57} while (0)
58
59#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
60 dbgfs->dbgfs_##parent##_files.file_##name = \
61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
62 dbgfs->dir_##parent, ptr); \
63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
64 || !dbgfs->dbgfs_##parent##_files.file_##name) \
65 goto err; \
66} while (0)
67
68#define DEBUGFS_ADD_X32(name, parent, ptr) do { \
69 dbgfs->dbgfs_##parent##_files.file_##name = \
70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \
71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
72 || !dbgfs->dbgfs_##parent##_files.file_##name) \
73 goto err; \
74} while (0)
75
76#define DEBUGFS_REMOVE(name) do { \
77 debugfs_remove(name); \
78 name = NULL; \
79} while (0);
80
81
82#define DEBUGFS_READ_FUNC(name) \
83static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
84 char __user *user_buf, \
85 size_t count, loff_t *ppos);
86
87#define DEBUGFS_WRITE_FUNC(name) \
88static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
89 const char __user *user_buf, \
90 size_t count, loff_t *ppos);
91
92
93static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
94{
95 file->private_data = inode->i_private;
96 return 0;
97}
98
99#define DEBUGFS_READ_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101static const struct file_operations iwl_dbgfs_##name##_ops = { \
102 .read = iwl_dbgfs_##name##_read, \
103 .open = iwl_dbgfs_open_file_generic, \
104};
105
106#define DEBUGFS_WRITE_FILE_OPS(name) \
107 DEBUGFS_WRITE_FUNC(name); \
108static const struct file_operations iwl_dbgfs_##name##_ops = { \
109 .write = iwl_dbgfs_##name##_write, \
110 .open = iwl_dbgfs_open_file_generic, \
111};
112
113
114#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
115 DEBUGFS_READ_FUNC(name); \
116 DEBUGFS_WRITE_FUNC(name); \
117static const struct file_operations iwl_dbgfs_##name##_ops = { \
118 .write = iwl_dbgfs_##name##_write, \
119 .read = iwl_dbgfs_##name##_read, \
120 .open = iwl_dbgfs_open_file_generic, \
121};
122
123
124static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
125 char __user *user_buf,
126 size_t count, loff_t *ppos) {
127
128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
129 char *buf;
130 int pos = 0;
131
132 int cnt;
133 ssize_t ret;
134 const size_t bufsz = 100 + sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
135 buf = kzalloc(bufsz, GFP_KERNEL);
136 if (!buf)
137 return -ENOMEM;
138 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
139 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
140 pos += scnprintf(buf + pos, bufsz - pos,
141 "\t%s\t\t: %u\n",
142 get_mgmt_string(cnt),
143 priv->tx_stats.mgmt[cnt]);
144 }
145 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
146 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
147 pos += scnprintf(buf + pos, bufsz - pos,
148 "\t%s\t\t: %u\n",
149 get_ctrl_string(cnt),
150 priv->tx_stats.ctrl[cnt]);
151 }
152 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
153 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
154 priv->tx_stats.data_cnt);
155 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
156 priv->tx_stats.data_bytes);
157 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
158 kfree(buf);
159 return ret;
160}
161
162static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
163 const char __user *user_buf,
164 size_t count, loff_t *ppos)
165{
166 struct iwl_priv *priv = file->private_data;
167 u32 clear_flag;
168 char buf[8];
169 int buf_size;
170
171 memset(buf, 0, sizeof(buf));
172 buf_size = min(count, sizeof(buf) - 1);
173 if (copy_from_user(buf, user_buf, buf_size))
174 return -EFAULT;
175 if (sscanf(buf, "%x", &clear_flag) != 1)
176 return -EFAULT;
177 if (clear_flag == 1)
178 iwl_clear_tx_stats(priv);
179
180 return count;
181}
182
183static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
184 char __user *user_buf,
185 size_t count, loff_t *ppos) {
186
187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
188 char *buf;
189 int pos = 0;
190 int cnt;
191 ssize_t ret;
192 const size_t bufsz = 100 +
193 sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
194 buf = kzalloc(bufsz, GFP_KERNEL);
195 if (!buf)
196 return -ENOMEM;
197
198 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
199 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
200 pos += scnprintf(buf + pos, bufsz - pos,
201 "\t%s\t\t: %u\n",
202 get_mgmt_string(cnt),
203 priv->rx_stats.mgmt[cnt]);
204 }
205 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
206 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
207 pos += scnprintf(buf + pos, bufsz - pos,
208 "\t%s\t\t: %u\n",
209 get_ctrl_string(cnt),
210 priv->rx_stats.ctrl[cnt]);
211 }
212 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
213 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
214 priv->rx_stats.data_cnt);
215 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
216 priv->rx_stats.data_bytes);
217
218 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
219 kfree(buf);
220 return ret;
221}
222
223static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
224 const char __user *user_buf,
225 size_t count, loff_t *ppos)
226{
227 struct iwl_priv *priv = file->private_data;
228 u32 clear_flag;
229 char buf[8];
230 int buf_size;
231
232 memset(buf, 0, sizeof(buf));
233 buf_size = min(count, sizeof(buf) - 1);
234 if (copy_from_user(buf, user_buf, buf_size))
235 return -EFAULT;
236 if (sscanf(buf, "%x", &clear_flag) != 1)
237 return -EFAULT;
238 if (clear_flag == 1)
239 iwl_clear_rx_stats(priv);
240 return count;
241}
242
243#define BYTE1_MASK 0x000000ff;
244#define BYTE2_MASK 0x0000ffff;
245#define BYTE3_MASK 0x00ffffff;
246static ssize_t iwl_dbgfs_sram_read(struct file *file,
247 char __user *user_buf,
248 size_t count, loff_t *ppos)
249{
250 u32 val;
251 char buf[1024];
252 ssize_t ret;
253 int i;
254 int pos = 0;
255 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
256 const size_t bufsz = sizeof(buf);
257
258 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
259 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
260 priv->dbgfs->sram_len - i);
261 if (i < 4) {
262 switch (i) {
263 case 1:
264 val &= BYTE1_MASK;
265 break;
266 case 2:
267 val &= BYTE2_MASK;
268 break;
269 case 3:
270 val &= BYTE3_MASK;
271 break;
272 }
273 }
274 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
275 }
276 pos += scnprintf(buf + pos, bufsz - pos, "\n");
277
278 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
279 return ret;
280}
281
282static ssize_t iwl_dbgfs_sram_write(struct file *file,
283 const char __user *user_buf,
284 size_t count, loff_t *ppos)
285{
286 struct iwl_priv *priv = file->private_data;
287 char buf[64];
288 int buf_size;
289 u32 offset, len;
290
291 memset(buf, 0, sizeof(buf));
292 buf_size = min(count, sizeof(buf) - 1);
293 if (copy_from_user(buf, user_buf, buf_size))
294 return -EFAULT;
295
296 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
297 priv->dbgfs->sram_offset = offset;
298 priv->dbgfs->sram_len = len;
299 } else {
300 priv->dbgfs->sram_offset = 0;
301 priv->dbgfs->sram_len = 0;
302 }
303
304 return count;
305}
306
307static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
308 size_t count, loff_t *ppos)
309{
310 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
311 struct iwl_station_entry *station;
312 int max_sta = priv->hw_params.max_stations;
313 char *buf;
314 int i, j, pos = 0;
315 ssize_t ret;
316
317 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
318
319 buf = kmalloc(bufsz, GFP_KERNEL);
320 if (!buf)
321 return -ENOMEM;
322
323 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
324 priv->num_stations);
325
326 for (i = 0; i < max_sta; i++) {
327 station = &priv->stations[i];
328 if (station->used) {
329 pos += scnprintf(buf + pos, bufsz - pos,
330 "station %d:\ngeneral data:\n", i+1);
331 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
332 station->sta.sta.sta_id);
333 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
334 station->sta.mode);
335 pos += scnprintf(buf + pos, bufsz - pos,
336 "flags: 0x%x\n",
337 station->sta.station_flags_msk);
338 pos += scnprintf(buf + pos, bufsz - pos,
339 "ps_status: %u\n", station->ps_status);
340 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
341 pos += scnprintf(buf + pos, bufsz - pos,
342 "seq_num\t\ttxq_id");
343 pos += scnprintf(buf + pos, bufsz - pos,
344 "\tframe_count\twait_for_ba\t");
345 pos += scnprintf(buf + pos, bufsz - pos,
346 "start_idx\tbitmap0\t");
347 pos += scnprintf(buf + pos, bufsz - pos,
348 "bitmap1\trate_n_flags");
349 pos += scnprintf(buf + pos, bufsz - pos, "\n");
350
351 for (j = 0; j < MAX_TID_COUNT; j++) {
352 pos += scnprintf(buf + pos, bufsz - pos,
353 "[%d]:\t\t%u", j,
354 station->tid[j].seq_number);
355 pos += scnprintf(buf + pos, bufsz - pos,
356 "\t%u\t\t%u\t\t%u\t\t",
357 station->tid[j].agg.txq_id,
358 station->tid[j].agg.frame_count,
359 station->tid[j].agg.wait_for_ba);
360 pos += scnprintf(buf + pos, bufsz - pos,
361 "%u\t%llu\t%u",
362 station->tid[j].agg.start_idx,
363 (unsigned long long)station->tid[j].agg.bitmap,
364 station->tid[j].agg.rate_n_flags);
365 pos += scnprintf(buf + pos, bufsz - pos, "\n");
366 }
367 pos += scnprintf(buf + pos, bufsz - pos, "\n");
368 }
369 }
370
371 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
372 kfree(buf);
373 return ret;
374}
375
376static ssize_t iwl_dbgfs_nvm_read(struct file *file,
377 char __user *user_buf,
378 size_t count,
379 loff_t *ppos)
380{
381 ssize_t ret;
382 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
383 int pos = 0, ofs = 0, buf_size = 0;
384 const u8 *ptr;
385 char *buf;
386 size_t eeprom_len = priv->cfg->eeprom_size;
387 buf_size = 4 * eeprom_len + 256;
388
389 if (eeprom_len % 16) {
390 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
391 return -ENODATA;
392 }
393
394 ptr = priv->eeprom;
395 if (!ptr) {
396 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
397 return -ENOMEM;
398 }
399
400
401 buf = kzalloc(buf_size, GFP_KERNEL);
402 if (!buf) {
403 IWL_ERR(priv, "Can not allocate Buffer\n");
404 return -ENOMEM;
405 }
406 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
407 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
408 ? "OTP" : "EEPROM");
409 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
410 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
411 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
412 buf_size - pos, 0);
413 pos += strlen(buf + pos);
414 if (buf_size - pos > 0)
415 buf[pos++] = '\n';
416 }
417
418 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
419 kfree(buf);
420 return ret;
421}
422
423static ssize_t iwl_dbgfs_log_event_write(struct file *file,
424 const char __user *user_buf,
425 size_t count, loff_t *ppos)
426{
427 struct iwl_priv *priv = file->private_data;
428 u32 event_log_flag;
429 char buf[8];
430 int buf_size;
431
432 memset(buf, 0, sizeof(buf));
433 buf_size = min(count, sizeof(buf) - 1);
434 if (copy_from_user(buf, user_buf, buf_size))
435 return -EFAULT;
436 if (sscanf(buf, "%d", &event_log_flag) != 1)
437 return -EFAULT;
438 if (event_log_flag == 1)
439 priv->cfg->ops->lib->dump_nic_event_log(priv);
440
441 return count;
442}
443
444
445
446static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
447 size_t count, loff_t *ppos)
448{
449 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
450 struct ieee80211_channel *channels = NULL;
451 const struct ieee80211_supported_band *supp_band = NULL;
452 int pos = 0, i, bufsz = PAGE_SIZE;
453 char *buf;
454 ssize_t ret;
455
456 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
457 return -EAGAIN;
458
459 buf = kzalloc(bufsz, GFP_KERNEL);
460 if (!buf) {
461 IWL_ERR(priv, "Can not allocate Buffer\n");
462 return -ENOMEM;
463 }
464
465 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
466 if (supp_band) {
467 channels = supp_band->channels;
468
469 pos += scnprintf(buf + pos, bufsz - pos,
470 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
471 supp_band->n_channels);
472
473 for (i = 0; i < supp_band->n_channels; i++)
474 pos += scnprintf(buf + pos, bufsz - pos,
475 "%d: %ddBm: BSS%s%s, %s.\n",
476 ieee80211_frequency_to_channel(
477 channels[i].center_freq),
478 channels[i].max_power,
479 channels[i].flags & IEEE80211_CHAN_RADAR ?
480 " (IEEE 802.11h required)" : "",
481 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
482 || (channels[i].flags &
483 IEEE80211_CHAN_RADAR)) ? "" :
484 ", IBSS",
485 channels[i].flags &
486 IEEE80211_CHAN_PASSIVE_SCAN ?
487 "passive only" : "active/passive");
488 }
489 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
490 if (supp_band) {
491 channels = supp_band->channels;
492
493 pos += scnprintf(buf + pos, bufsz - pos,
494 "Displaying %d channels in 5.2GHz band (802.11a)\n",
495 supp_band->n_channels);
496
497 for (i = 0; i < supp_band->n_channels; i++)
498 pos += scnprintf(buf + pos, bufsz - pos,
499 "%d: %ddBm: BSS%s%s, %s.\n",
500 ieee80211_frequency_to_channel(
501 channels[i].center_freq),
502 channels[i].max_power,
503 channels[i].flags & IEEE80211_CHAN_RADAR ?
504 " (IEEE 802.11h required)" : "",
505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
506 || (channels[i].flags &
507 IEEE80211_CHAN_RADAR)) ? "" :
508 ", IBSS",
509 channels[i].flags &
510 IEEE80211_CHAN_PASSIVE_SCAN ?
511 "passive only" : "active/passive");
512 }
513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
514 kfree(buf);
515 return ret;
516}
517
518static ssize_t iwl_dbgfs_status_read(struct file *file,
519 char __user *user_buf,
520 size_t count, loff_t *ppos) {
521
522 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
523 char buf[512];
524 int pos = 0;
525 const size_t bufsz = sizeof(buf);
526
527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
528 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
530 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
532 test_bit(STATUS_INT_ENABLED, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
534 test_bit(STATUS_RF_KILL_HW, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
536 test_bit(STATUS_INIT, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
538 test_bit(STATUS_ALIVE, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
540 test_bit(STATUS_READY, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
542 test_bit(STATUS_TEMPERATURE, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
544 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
546 test_bit(STATUS_EXIT_PENDING, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
548 test_bit(STATUS_STATISTICS, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
550 test_bit(STATUS_SCANNING, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
552 test_bit(STATUS_SCAN_ABORTING, &priv->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
554 test_bit(STATUS_SCAN_HW, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
556 test_bit(STATUS_POWER_PMI, &priv->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
558 test_bit(STATUS_FW_ERROR, &priv->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
560 test_bit(STATUS_MODE_PENDING, &priv->status));
561 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
562}
563
564static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
565 char __user *user_buf,
566 size_t count, loff_t *ppos) {
567
568 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
569 int pos = 0;
570 int cnt = 0;
571 char *buf;
572 int bufsz = 24 * 64;
573 ssize_t ret;
574
575 buf = kzalloc(bufsz, GFP_KERNEL);
576 if (!buf) {
577 IWL_ERR(priv, "Can not allocate Buffer\n");
578 return -ENOMEM;
579 }
580
581 pos += scnprintf(buf + pos, bufsz - pos,
582 "Interrupt Statistics Report:\n");
583
584 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
585 priv->isr_stats.hw);
586 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
587 priv->isr_stats.sw);
588 if (priv->isr_stats.sw > 0) {
589 pos += scnprintf(buf + pos, bufsz - pos,
590 "\tLast Restarting Code: 0x%X\n",
591 priv->isr_stats.sw_err);
592 }
593#ifdef CONFIG_IWLWIFI_DEBUG
594 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
595 priv->isr_stats.sch);
596 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
597 priv->isr_stats.alive);
598#endif
599 pos += scnprintf(buf + pos, bufsz - pos,
600 "HW RF KILL switch toggled:\t %u\n",
601 priv->isr_stats.rfkill);
602
603 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
604 priv->isr_stats.ctkill);
605
606 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
607 priv->isr_stats.wakeup);
608
609 pos += scnprintf(buf + pos, bufsz - pos,
610 "Rx command responses:\t\t %u\n",
611 priv->isr_stats.rx);
612 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
613 if (priv->isr_stats.rx_handlers[cnt] > 0)
614 pos += scnprintf(buf + pos, bufsz - pos,
615 "\tRx handler[%36s]:\t\t %u\n",
616 get_cmd_string(cnt),
617 priv->isr_stats.rx_handlers[cnt]);
618 }
619
620 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
621 priv->isr_stats.tx);
622
623 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
624 priv->isr_stats.unhandled);
625
626 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
627 kfree(buf);
628 return ret;
629}
630
631static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
632 const char __user *user_buf,
633 size_t count, loff_t *ppos)
634{
635 struct iwl_priv *priv = file->private_data;
636 char buf[8];
637 int buf_size;
638 u32 reset_flag;
639
640 memset(buf, 0, sizeof(buf));
641 buf_size = min(count, sizeof(buf) - 1);
642 if (copy_from_user(buf, user_buf, buf_size))
643 return -EFAULT;
644 if (sscanf(buf, "%x", &reset_flag) != 1)
645 return -EFAULT;
646 if (reset_flag == 0)
647 iwl_clear_isr_stats(priv);
648
649 return count;
650}
651
652static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
653 size_t count, loff_t *ppos)
654{
655 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
656 int pos = 0, i;
657 char buf[256];
658 const size_t bufsz = sizeof(buf);
659 ssize_t ret;
660
661 for (i = 0; i < AC_NUM; i++) {
662 pos += scnprintf(buf + pos, bufsz - pos,
663 "\tcw_min\tcw_max\taifsn\ttxop\n");
664 pos += scnprintf(buf + pos, bufsz - pos,
665 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
666 priv->qos_data.def_qos_parm.ac[i].cw_min,
667 priv->qos_data.def_qos_parm.ac[i].cw_max,
668 priv->qos_data.def_qos_parm.ac[i].aifsn,
669 priv->qos_data.def_qos_parm.ac[i].edca_txop);
670 }
671 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
672 return ret;
673}
674
675#ifdef CONFIG_IWLWIFI_LEDS
676static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
677 size_t count, loff_t *ppos)
678{
679 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
680 int pos = 0;
681 char buf[256];
682 const size_t bufsz = sizeof(buf);
683 ssize_t ret;
684
685 pos += scnprintf(buf + pos, bufsz - pos,
686 "allow blinking: %s\n",
687 (priv->allow_blinking) ? "True" : "False");
688 if (priv->allow_blinking) {
689 pos += scnprintf(buf + pos, bufsz - pos,
690 "Led blinking rate: %u\n",
691 priv->last_blink_rate);
692 pos += scnprintf(buf + pos, bufsz - pos,
693 "Last blink time: %lu\n",
694 priv->last_blink_time);
695 }
696
697 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
698 return ret;
699}
700#endif
701
702static 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 = (struct iwl_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 ssize_t ret;
713
714 pos += scnprintf(buf + pos, bufsz - pos,
715 "Thermal Throttling Mode: %s\n",
716 tt->advanced_tt ? "Advance" : "Legacy");
717 pos += scnprintf(buf + pos, bufsz - pos,
718 "Thermal Throttling State: %d\n",
719 tt->state);
720 if (tt->advanced_tt) {
721 restriction = tt->restriction + tt->state;
722 pos += scnprintf(buf + pos, bufsz - pos,
723 "Tx mode: %d\n",
724 restriction->tx_stream);
725 pos += scnprintf(buf + pos, bufsz - pos,
726 "Rx mode: %d\n",
727 restriction->rx_stream);
728 pos += scnprintf(buf + pos, bufsz - pos,
729 "HT mode: %d\n",
730 restriction->is_ht);
731 }
732 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
733 return ret;
734}
735
736static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
737 const char __user *user_buf,
738 size_t count, loff_t *ppos)
739{
740 struct iwl_priv *priv = file->private_data;
741 char buf[8];
742 int buf_size;
743 int ht40;
744
745 memset(buf, 0, sizeof(buf));
746 buf_size = min(count, sizeof(buf) - 1);
747 if (copy_from_user(buf, user_buf, buf_size))
748 return -EFAULT;
749 if (sscanf(buf, "%d", &ht40) != 1)
750 return -EFAULT;
751 if (!iwl_is_associated(priv))
752 priv->disable_ht40 = ht40 ? true : false;
753 else {
754 IWL_ERR(priv, "Sta associated with AP - "
755 "Change to 40MHz channel support is not allowed\n");
756 return -EINVAL;
757 }
758
759 return count;
760}
761
762static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
763 char __user *user_buf,
764 size_t count, loff_t *ppos)
765{
766 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
767 char buf[100];
768 int pos = 0;
769 const size_t bufsz = sizeof(buf);
770 ssize_t ret;
771
772 pos += scnprintf(buf + pos, bufsz - pos,
773 "11n 40MHz Mode: %s\n",
774 priv->disable_ht40 ? "Disabled" : "Enabled");
775 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
776 return ret;
777}
778
779static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
780 const char __user *user_buf,
781 size_t count, loff_t *ppos)
782{
783 struct iwl_priv *priv = file->private_data;
784 char buf[8];
785 int buf_size;
786 int value;
787
788 memset(buf, 0, sizeof(buf));
789 buf_size = min(count, sizeof(buf) - 1);
790 if (copy_from_user(buf, user_buf, buf_size))
791 return -EFAULT;
792
793 if (sscanf(buf, "%d", &value) != 1)
794 return -EINVAL;
795
796
797
798
799
800
801 if (value > 0)
802 value -= 1;
803
804 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
805 return -EINVAL;
806
807 priv->power_data.debug_sleep_level_override = value;
808
809 iwl_power_update_mode(priv, false);
810
811 return count;
812}
813
814static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
815 char __user *user_buf,
816 size_t count, loff_t *ppos)
817{
818 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
819 char buf[10];
820 int pos, value;
821 const size_t bufsz = sizeof(buf);
822
823
824 value = priv->power_data.debug_sleep_level_override;
825 if (value >= 0)
826 value += 1;
827
828 pos = scnprintf(buf, bufsz, "%d\n", value);
829 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
830}
831
832static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
833 char __user *user_buf,
834 size_t count, loff_t *ppos)
835{
836 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
837 char buf[200];
838 int pos = 0, i;
839 const size_t bufsz = sizeof(buf);
840 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
841
842 pos += scnprintf(buf + pos, bufsz - pos,
843 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
844 pos += scnprintf(buf + pos, bufsz - pos,
845 "RX/TX timeout: %d/%d usec\n",
846 le32_to_cpu(cmd->rx_data_timeout),
847 le32_to_cpu(cmd->tx_data_timeout));
848 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
849 pos += scnprintf(buf + pos, bufsz - pos,
850 "sleep_interval[%d]: %d\n", i,
851 le32_to_cpu(cmd->sleep_interval[i]));
852
853 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
854}
855
856DEBUGFS_READ_WRITE_FILE_OPS(sram);
857DEBUGFS_WRITE_FILE_OPS(log_event);
858DEBUGFS_READ_FILE_OPS(nvm);
859DEBUGFS_READ_FILE_OPS(stations);
860DEBUGFS_READ_FILE_OPS(channels);
861DEBUGFS_READ_FILE_OPS(status);
862DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
863DEBUGFS_READ_FILE_OPS(qos);
864#ifdef CONFIG_IWLWIFI_LEDS
865DEBUGFS_READ_FILE_OPS(led);
866#endif
867DEBUGFS_READ_FILE_OPS(thermal_throttling);
868DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
869DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
870DEBUGFS_READ_FILE_OPS(current_sleep_command);
871
872static 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 (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
885 const u8 *ptr;
886 ssize_t ret;
887
888 buf = kzalloc(bufsz, GFP_KERNEL);
889 if (!buf) {
890 IWL_ERR(priv, "Can not allocate buffer\n");
891 return -ENOMEM;
892 }
893 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
894 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
895 txq = &priv->txq[cnt];
896 q = &txq->q;
897 pos += scnprintf(buf + pos, bufsz - pos,
898 "q[%d]: read_ptr: %u, write_ptr: %u\n",
899 cnt, q->read_ptr, q->write_ptr);
900 }
901 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
902 ptr = priv->tx_traffic;
903 pos += scnprintf(buf + pos, bufsz - pos,
904 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
905 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
906 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
907 entry++, ofs += 16) {
908 pos += scnprintf(buf + pos, bufsz - pos,
909 "0x%.4x ", ofs);
910 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
911 buf + pos, bufsz - pos, 0);
912 pos += strlen(buf + pos);
913 if (bufsz - pos > 0)
914 buf[pos++] = '\n';
915 }
916 }
917 }
918
919 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
920 pos += scnprintf(buf + pos, bufsz - pos,
921 "read: %u, write: %u\n",
922 rxq->read, rxq->write);
923
924 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
925 ptr = priv->rx_traffic;
926 pos += scnprintf(buf + pos, bufsz - pos,
927 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
928 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
929 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
930 entry++, ofs += 16) {
931 pos += scnprintf(buf + pos, bufsz - pos,
932 "0x%.4x ", ofs);
933 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
934 buf + pos, bufsz - pos, 0);
935 pos += strlen(buf + pos);
936 if (bufsz - pos > 0)
937 buf[pos++] = '\n';
938 }
939 }
940 }
941
942 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
943 kfree(buf);
944 return ret;
945}
946
947static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
948 const char __user *user_buf,
949 size_t count, loff_t *ppos)
950{
951 struct iwl_priv *priv = file->private_data;
952 char buf[8];
953 int buf_size;
954 int traffic_log;
955
956 memset(buf, 0, sizeof(buf));
957 buf_size = min(count, sizeof(buf) - 1);
958 if (copy_from_user(buf, user_buf, buf_size))
959 return -EFAULT;
960 if (sscanf(buf, "%d", &traffic_log) != 1)
961 return -EFAULT;
962 if (traffic_log == 0)
963 iwl_reset_traffic_log(priv);
964
965 return count;
966}
967
968static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
969 char __user *user_buf,
970 size_t count, loff_t *ppos) {
971
972 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
973 struct iwl_tx_queue *txq;
974 struct iwl_queue *q;
975 char *buf;
976 int pos = 0;
977 int cnt;
978 int ret;
979 const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
980
981 buf = kzalloc(bufsz, GFP_KERNEL);
982 if (!buf)
983 return -ENOMEM;
984
985 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
986 txq = &priv->txq[cnt];
987 q = &txq->q;
988 pos += scnprintf(buf + pos, bufsz - pos,
989 "hwq %.2d: read=%u write=%u stop=%d"
990 " swq_id=%#.2x (ac %d/hwq %d)\n",
991 cnt, q->read_ptr, q->write_ptr,
992 !!test_bit(cnt, priv->queue_stopped),
993 txq->swq_id,
994 txq->swq_id & 0x80 ? txq->swq_id & 3 :
995 txq->swq_id,
996 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
997 0x1f : txq->swq_id);
998 if (cnt >= 4)
999 continue;
1000
1001 pos += scnprintf(buf + pos, bufsz - pos,
1002 " stop-count: %d\n",
1003 atomic_read(&priv->queue_stop_count[cnt]));
1004 }
1005 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1006 kfree(buf);
1007 return ret;
1008}
1009
1010static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1011 char __user *user_buf,
1012 size_t count, loff_t *ppos) {
1013
1014 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1015 struct iwl_rx_queue *rxq = &priv->rxq;
1016 char buf[256];
1017 int pos = 0;
1018 const size_t bufsz = sizeof(buf);
1019
1020 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1021 rxq->read);
1022 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1023 rxq->write);
1024 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1025 rxq->free_count);
1026 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1027 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1028 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1029}
1030
1031#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0)
1032#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1)
1033#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2)
1034
1035static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1036 int bufsz)
1037{
1038 int p = 0;
1039
1040 p += scnprintf(buf + p, bufsz - p,
1041 "Statistics Flag(0x%X):\n",
1042 le32_to_cpu(priv->statistics.flag));
1043 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1044 p += scnprintf(buf + p, bufsz - p,
1045 "\tStatistics have been cleared\n");
1046 p += scnprintf(buf + p, bufsz - p,
1047 "\tOperational Frequency: %s\n",
1048 (le32_to_cpu(priv->statistics.flag) &
1049 UCODE_STATISTICS_FREQUENCY_MSK)
1050 ? "2.4 GHz" : "5.2 GHz");
1051 p += scnprintf(buf + p, bufsz - p,
1052 "\tTGj Narrow Band: %s\n",
1053 (le32_to_cpu(priv->statistics.flag) &
1054 UCODE_STATISTICS_NARROW_BAND_MSK)
1055 ? "enabled" : "disabled");
1056 return p;
1057}
1058
1059
1060static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1061 char __user *user_buf,
1062 size_t count, loff_t *ppos)
1063{
1064 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1065 int pos = 0;
1066 char *buf;
1067 int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1068 sizeof(struct statistics_rx_non_phy) * 20 +
1069 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1070 ssize_t ret;
1071 struct statistics_rx_phy *ofdm;
1072 struct statistics_rx_phy *cck;
1073 struct statistics_rx_non_phy *general;
1074 struct statistics_rx_ht_phy *ht;
1075
1076 if (!iwl_is_alive(priv))
1077 return -EAGAIN;
1078
1079
1080 mutex_lock(&priv->mutex);
1081 ret = iwl_send_statistics_request(priv, 0);
1082 mutex_unlock(&priv->mutex);
1083
1084 if (ret) {
1085 IWL_ERR(priv,
1086 "Error sending statistics request: %zd\n", ret);
1087 return -EAGAIN;
1088 }
1089 buf = kzalloc(bufsz, GFP_KERNEL);
1090 if (!buf) {
1091 IWL_ERR(priv, "Can not allocate Buffer\n");
1092 return -ENOMEM;
1093 }
1094
1095
1096
1097
1098
1099 ofdm = &priv->statistics.rx.ofdm;
1100 cck = &priv->statistics.rx.cck;
1101 general = &priv->statistics.rx.general;
1102 ht = &priv->statistics.rx.ofdm_ht;
1103 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1104 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1105 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1106 le32_to_cpu(ofdm->ina_cnt));
1107 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1108 le32_to_cpu(ofdm->fina_cnt));
1109 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1110 le32_to_cpu(ofdm->plcp_err));
1111 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1112 le32_to_cpu(ofdm->crc32_err));
1113 pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1114 le32_to_cpu(ofdm->overrun_err));
1115 pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1116 le32_to_cpu(ofdm->early_overrun_err));
1117 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1118 le32_to_cpu(ofdm->crc32_good));
1119 pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1120 le32_to_cpu(ofdm->false_alarm_cnt));
1121 pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1122 le32_to_cpu(ofdm->fina_sync_err_cnt));
1123 pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1124 le32_to_cpu(ofdm->sfd_timeout));
1125 pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1126 le32_to_cpu(ofdm->fina_timeout));
1127 pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1128 le32_to_cpu(ofdm->unresponded_rts));
1129 pos += scnprintf(buf + pos, bufsz - pos,
1130 "rxe_frame_limit_overrun: %u\n",
1131 le32_to_cpu(ofdm->rxe_frame_limit_overrun));
1132 pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1133 le32_to_cpu(ofdm->sent_ack_cnt));
1134 pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1135 le32_to_cpu(ofdm->sent_cts_cnt));
1136 pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1137 le32_to_cpu(ofdm->sent_ba_rsp_cnt));
1138 pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1139 le32_to_cpu(ofdm->dsp_self_kill));
1140 pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1141 le32_to_cpu(ofdm->mh_format_err));
1142 pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1143 le32_to_cpu(ofdm->re_acq_main_rssi_sum));
1144
1145 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1146 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
1147 le32_to_cpu(cck->ina_cnt));
1148 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
1149 le32_to_cpu(cck->fina_cnt));
1150 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1151 le32_to_cpu(cck->plcp_err));
1152 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1153 le32_to_cpu(cck->crc32_err));
1154 pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1155 le32_to_cpu(cck->overrun_err));
1156 pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1157 le32_to_cpu(cck->early_overrun_err));
1158 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1159 le32_to_cpu(cck->crc32_good));
1160 pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
1161 le32_to_cpu(cck->false_alarm_cnt));
1162 pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
1163 le32_to_cpu(cck->fina_sync_err_cnt));
1164 pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
1165 le32_to_cpu(cck->sfd_timeout));
1166 pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
1167 le32_to_cpu(cck->fina_timeout));
1168 pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
1169 le32_to_cpu(cck->unresponded_rts));
1170 pos += scnprintf(buf + pos, bufsz - pos,
1171 "rxe_frame_limit_overrun: %u\n",
1172 le32_to_cpu(cck->rxe_frame_limit_overrun));
1173 pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
1174 le32_to_cpu(cck->sent_ack_cnt));
1175 pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
1176 le32_to_cpu(cck->sent_cts_cnt));
1177 pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
1178 le32_to_cpu(cck->sent_ba_rsp_cnt));
1179 pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
1180 le32_to_cpu(cck->dsp_self_kill));
1181 pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1182 le32_to_cpu(cck->mh_format_err));
1183 pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
1184 le32_to_cpu(cck->re_acq_main_rssi_sum));
1185
1186 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1187 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
1188 le32_to_cpu(general->bogus_cts));
1189 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
1190 le32_to_cpu(general->bogus_ack));
1191 pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
1192 le32_to_cpu(general->non_bssid_frames));
1193 pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
1194 le32_to_cpu(general->filtered_frames));
1195 pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
1196 le32_to_cpu(general->non_channel_beacons));
1197 pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
1198 le32_to_cpu(general->channel_beacons));
1199 pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
1200 le32_to_cpu(general->num_missed_bcon));
1201 pos += scnprintf(buf + pos, bufsz - pos,
1202 "adc_rx_saturation_time: %u\n",
1203 le32_to_cpu(general->adc_rx_saturation_time));
1204 pos += scnprintf(buf + pos, bufsz - pos,
1205 "ina_detection_search_time: %u\n",
1206 le32_to_cpu(general->ina_detection_search_time));
1207 pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
1208 le32_to_cpu(general->beacon_silence_rssi_a));
1209 pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
1210 le32_to_cpu(general->beacon_silence_rssi_b));
1211 pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
1212 le32_to_cpu(general->beacon_silence_rssi_c));
1213 pos += scnprintf(buf + pos, bufsz - pos,
1214 "interference_data_flag: %u\n",
1215 le32_to_cpu(general->interference_data_flag));
1216 pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
1217 le32_to_cpu(general->channel_load));
1218 pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
1219 le32_to_cpu(general->dsp_false_alarms));
1220 pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
1221 le32_to_cpu(general->beacon_rssi_a));
1222 pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
1223 le32_to_cpu(general->beacon_rssi_b));
1224 pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
1225 le32_to_cpu(general->beacon_rssi_c));
1226 pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
1227 le32_to_cpu(general->beacon_energy_a));
1228 pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
1229 le32_to_cpu(general->beacon_energy_b));
1230 pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
1231 le32_to_cpu(general->beacon_energy_c));
1232
1233 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1234 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
1235 le32_to_cpu(ht->plcp_err));
1236 pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
1237 le32_to_cpu(ht->overrun_err));
1238 pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
1239 le32_to_cpu(ht->early_overrun_err));
1240 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
1241 le32_to_cpu(ht->crc32_good));
1242 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
1243 le32_to_cpu(ht->crc32_err));
1244 pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
1245 le32_to_cpu(ht->mh_format_err));
1246 pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
1247 le32_to_cpu(ht->agg_crc32_good));
1248 pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
1249 le32_to_cpu(ht->agg_mpdu_cnt));
1250 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
1251 le32_to_cpu(ht->agg_cnt));
1252
1253 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1254 kfree(buf);
1255 return ret;
1256}
1257
1258static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1259 char __user *user_buf,
1260 size_t count, loff_t *ppos)
1261{
1262 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1263 int pos = 0;
1264 char *buf;
1265 int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1266 ssize_t ret;
1267 struct statistics_tx *tx;
1268
1269 if (!iwl_is_alive(priv))
1270 return -EAGAIN;
1271
1272
1273 mutex_lock(&priv->mutex);
1274 ret = iwl_send_statistics_request(priv, 0);
1275 mutex_unlock(&priv->mutex);
1276
1277 if (ret) {
1278 IWL_ERR(priv,
1279 "Error sending statistics request: %zd\n", ret);
1280 return -EAGAIN;
1281 }
1282 buf = kzalloc(bufsz, GFP_KERNEL);
1283 if (!buf) {
1284 IWL_ERR(priv, "Can not allocate Buffer\n");
1285 return -ENOMEM;
1286 }
1287
1288
1289
1290
1291
1292 tx = &priv->statistics.tx;
1293 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1294 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1295 pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
1296 le32_to_cpu(tx->preamble_cnt));
1297 pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
1298 le32_to_cpu(tx->rx_detected_cnt));
1299 pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
1300 le32_to_cpu(tx->bt_prio_defer_cnt));
1301 pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
1302 le32_to_cpu(tx->bt_prio_kill_cnt));
1303 pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
1304 le32_to_cpu(tx->few_bytes_cnt));
1305 pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
1306 le32_to_cpu(tx->cts_timeout));
1307 pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
1308 le32_to_cpu(tx->ack_timeout));
1309 pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
1310 le32_to_cpu(tx->expected_ack_cnt));
1311 pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
1312 le32_to_cpu(tx->actual_ack_cnt));
1313 pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
1314 le32_to_cpu(tx->dump_msdu_cnt));
1315 pos += scnprintf(buf + pos, bufsz - pos,
1316 "burst_abort_next_frame_mismatch_cnt: %u\n",
1317 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
1318 pos += scnprintf(buf + pos, bufsz - pos,
1319 "burst_abort_missing_next_frame_cnt: %u\n",
1320 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
1321 pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
1322 le32_to_cpu(tx->cts_timeout_collision));
1323 pos += scnprintf(buf + pos, bufsz - pos,
1324 "ack_or_ba_timeout_collision: %u\n",
1325 le32_to_cpu(tx->ack_or_ba_timeout_collision));
1326 pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
1327 le32_to_cpu(tx->agg.ba_timeout));
1328 pos += scnprintf(buf + pos, bufsz - pos,
1329 "agg ba_reschedule_frames: %u\n",
1330 le32_to_cpu(tx->agg.ba_reschedule_frames));
1331 pos += scnprintf(buf + pos, bufsz - pos,
1332 "agg scd_query_agg_frame_cnt: %u\n",
1333 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
1334 pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
1335 le32_to_cpu(tx->agg.scd_query_no_agg));
1336 pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
1337 le32_to_cpu(tx->agg.scd_query_agg));
1338 pos += scnprintf(buf + pos, bufsz - pos,
1339 "agg scd_query_mismatch: %u\n",
1340 le32_to_cpu(tx->agg.scd_query_mismatch));
1341 pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
1342 le32_to_cpu(tx->agg.frame_not_ready));
1343 pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
1344 le32_to_cpu(tx->agg.underrun));
1345 pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
1346 le32_to_cpu(tx->agg.bt_prio_kill));
1347 pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
1348 le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
1349
1350 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1351 kfree(buf);
1352 return ret;
1353}
1354
1355static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1356 char __user *user_buf,
1357 size_t count, loff_t *ppos)
1358{
1359 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1360 int pos = 0;
1361 char *buf;
1362 int bufsz = sizeof(struct statistics_general) * 4 + 250;
1363 ssize_t ret;
1364 struct statistics_general *general;
1365 struct statistics_dbg *dbg;
1366 struct statistics_div *div;
1367
1368 if (!iwl_is_alive(priv))
1369 return -EAGAIN;
1370
1371
1372 mutex_lock(&priv->mutex);
1373 ret = iwl_send_statistics_request(priv, 0);
1374 mutex_unlock(&priv->mutex);
1375
1376 if (ret) {
1377 IWL_ERR(priv,
1378 "Error sending statistics request: %zd\n", ret);
1379 return -EAGAIN;
1380 }
1381 buf = kzalloc(bufsz, GFP_KERNEL);
1382 if (!buf) {
1383 IWL_ERR(priv, "Can not allocate Buffer\n");
1384 return -ENOMEM;
1385 }
1386
1387
1388
1389
1390
1391 general = &priv->statistics.general;
1392 dbg = &priv->statistics.general.dbg;
1393 div = &priv->statistics.general.div;
1394 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1395 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1396 pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
1397 le32_to_cpu(general->temperature));
1398 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
1399 le32_to_cpu(general->temperature_m));
1400 pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
1401 le32_to_cpu(dbg->burst_check));
1402 pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
1403 le32_to_cpu(dbg->burst_count));
1404 pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
1405 le32_to_cpu(general->sleep_time));
1406 pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
1407 le32_to_cpu(general->slots_out));
1408 pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
1409 le32_to_cpu(general->slots_idle));
1410 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
1411 le32_to_cpu(general->ttl_timestamp));
1412 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
1413 le32_to_cpu(div->tx_on_a));
1414 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
1415 le32_to_cpu(div->tx_on_b));
1416 pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
1417 le32_to_cpu(div->exec_time));
1418 pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
1419 le32_to_cpu(div->probe_time));
1420 pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
1421 le32_to_cpu(general->rx_enable_counter));
1422 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1423 kfree(buf);
1424 return ret;
1425}
1426
1427static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1428 char __user *user_buf,
1429 size_t count, loff_t *ppos) {
1430
1431 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1432 int pos = 0;
1433 int cnt = 0;
1434 char *buf;
1435 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1436 ssize_t ret;
1437 struct iwl_sensitivity_data *data;
1438
1439 data = &priv->sensitivity_data;
1440 buf = kzalloc(bufsz, GFP_KERNEL);
1441 if (!buf) {
1442 IWL_ERR(priv, "Can not allocate Buffer\n");
1443 return -ENOMEM;
1444 }
1445
1446 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1447 data->auto_corr_ofdm);
1448 pos += scnprintf(buf + pos, bufsz - pos,
1449 "auto_corr_ofdm_mrc:\t\t %u\n",
1450 data->auto_corr_ofdm_mrc);
1451 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1452 data->auto_corr_ofdm_x1);
1453 pos += scnprintf(buf + pos, bufsz - pos,
1454 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1455 data->auto_corr_ofdm_mrc_x1);
1456 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1457 data->auto_corr_cck);
1458 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1459 data->auto_corr_cck_mrc);
1460 pos += scnprintf(buf + pos, bufsz - pos,
1461 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1462 data->last_bad_plcp_cnt_ofdm);
1463 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1464 data->last_fa_cnt_ofdm);
1465 pos += scnprintf(buf + pos, bufsz - pos,
1466 "last_bad_plcp_cnt_cck:\t\t %u\n",
1467 data->last_bad_plcp_cnt_cck);
1468 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1469 data->last_fa_cnt_cck);
1470 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1471 data->nrg_curr_state);
1472 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1473 data->nrg_prev_state);
1474 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1475 for (cnt = 0; cnt < 10; cnt++) {
1476 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1477 data->nrg_value[cnt]);
1478 }
1479 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1480 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1481 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1482 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1483 data->nrg_silence_rssi[cnt]);
1484 }
1485 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1486 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1487 data->nrg_silence_ref);
1488 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1489 data->nrg_energy_idx);
1490 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1491 data->nrg_silence_idx);
1492 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1493 data->nrg_th_cck);
1494 pos += scnprintf(buf + pos, bufsz - pos,
1495 "nrg_auto_corr_silence_diff:\t %u\n",
1496 data->nrg_auto_corr_silence_diff);
1497 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1498 data->num_in_cck_no_fa);
1499 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1500 data->nrg_th_ofdm);
1501
1502 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1503 kfree(buf);
1504 return ret;
1505}
1506
1507
1508static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1509 char __user *user_buf,
1510 size_t count, loff_t *ppos) {
1511
1512 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1513 int pos = 0;
1514 int cnt = 0;
1515 char *buf;
1516 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1517 ssize_t ret;
1518 struct iwl_chain_noise_data *data;
1519
1520 data = &priv->chain_noise_data;
1521 buf = kzalloc(bufsz, GFP_KERNEL);
1522 if (!buf) {
1523 IWL_ERR(priv, "Can not allocate Buffer\n");
1524 return -ENOMEM;
1525 }
1526
1527 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1528 data->active_chains);
1529 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1530 data->chain_noise_a);
1531 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1532 data->chain_noise_b);
1533 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1534 data->chain_noise_c);
1535 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1536 data->chain_signal_a);
1537 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1538 data->chain_signal_b);
1539 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1540 data->chain_signal_c);
1541 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1542 data->beacon_count);
1543
1544 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1545 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1546 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1547 data->disconn_array[cnt]);
1548 }
1549 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1550 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1551 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1552 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1553 data->delta_gain_code[cnt]);
1554 }
1555 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1556 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1557 data->radio_write);
1558 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1559 data->state);
1560
1561 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1562 kfree(buf);
1563 return ret;
1564}
1565
1566static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1567 char __user *user_buf,
1568 size_t count, loff_t *ppos) {
1569
1570 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1571 char buf[128];
1572 int pos = 0;
1573 ssize_t ret;
1574 const size_t bufsz = sizeof(buf);
1575 struct statistics_tx *tx;
1576
1577 if (!iwl_is_alive(priv))
1578 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1579 else {
1580
1581 mutex_lock(&priv->mutex);
1582 ret = iwl_send_statistics_request(priv, 0);
1583 mutex_unlock(&priv->mutex);
1584
1585 if (ret) {
1586 IWL_ERR(priv, "Error sending statistics request: %zd\n",
1587 ret);
1588 return -EAGAIN;
1589 }
1590 tx = &priv->statistics.tx;
1591 if (tx->tx_power.ant_a ||
1592 tx->tx_power.ant_b ||
1593 tx->tx_power.ant_c) {
1594 pos += scnprintf(buf + pos, bufsz - pos,
1595 "tx power: (1/2 dB step)\n");
1596 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1597 tx->tx_power.ant_a)
1598 pos += scnprintf(buf + pos, bufsz - pos,
1599 "\tantenna A: 0x%X\n",
1600 tx->tx_power.ant_a);
1601 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1602 tx->tx_power.ant_b)
1603 pos += scnprintf(buf + pos, bufsz - pos,
1604 "\tantenna B: 0x%X\n",
1605 tx->tx_power.ant_b);
1606 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1607 tx->tx_power.ant_c)
1608 pos += scnprintf(buf + pos, bufsz - pos,
1609 "\tantenna C: 0x%X\n",
1610 tx->tx_power.ant_c);
1611 } else
1612 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1613 }
1614 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1615}
1616
1617DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
1618DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
1619DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1620DEBUGFS_READ_FILE_OPS(rx_queue);
1621DEBUGFS_READ_FILE_OPS(tx_queue);
1622DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1623DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1624DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1625DEBUGFS_READ_FILE_OPS(sensitivity);
1626DEBUGFS_READ_FILE_OPS(chain_noise);
1627DEBUGFS_READ_FILE_OPS(tx_power);
1628
1629
1630
1631
1632
1633int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1634{
1635 struct iwl_debugfs *dbgfs;
1636 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1637 int ret = 0;
1638
1639 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1640 if (!dbgfs) {
1641 ret = -ENOMEM;
1642 goto err;
1643 }
1644
1645 priv->dbgfs = dbgfs;
1646 dbgfs->name = name;
1647 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1648 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1649 ret = -ENOENT;
1650 goto err;
1651 }
1652
1653 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1654 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1655 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1656 DEBUGFS_ADD_FILE(nvm, data);
1657 DEBUGFS_ADD_FILE(sram, data);
1658 DEBUGFS_ADD_FILE(log_event, data);
1659 DEBUGFS_ADD_FILE(stations, data);
1660 DEBUGFS_ADD_FILE(channels, data);
1661 DEBUGFS_ADD_FILE(status, data);
1662 DEBUGFS_ADD_FILE(interrupt, data);
1663 DEBUGFS_ADD_FILE(qos, data);
1664#ifdef CONFIG_IWLWIFI_LEDS
1665 DEBUGFS_ADD_FILE(led, data);
1666#endif
1667 DEBUGFS_ADD_FILE(sleep_level_override, data);
1668 DEBUGFS_ADD_FILE(current_sleep_command, data);
1669 DEBUGFS_ADD_FILE(thermal_throttling, data);
1670 DEBUGFS_ADD_FILE(disable_ht40, data);
1671 DEBUGFS_ADD_FILE(rx_statistics, debug);
1672 DEBUGFS_ADD_FILE(tx_statistics, debug);
1673 DEBUGFS_ADD_FILE(traffic_log, debug);
1674 DEBUGFS_ADD_FILE(rx_queue, debug);
1675 DEBUGFS_ADD_FILE(tx_queue, debug);
1676 DEBUGFS_ADD_FILE(tx_power, debug);
1677 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1678 DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
1679 DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
1680 DEBUGFS_ADD_FILE(ucode_general_stats, debug);
1681 DEBUGFS_ADD_FILE(sensitivity, debug);
1682 DEBUGFS_ADD_FILE(chain_noise, debug);
1683 }
1684 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1685 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1686 &priv->disable_chain_noise_cal);
1687 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1688 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1689 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1690 &priv->disable_tx_power_cal);
1691 return 0;
1692
1693err:
1694 IWL_ERR(priv, "Can't open the debugfs directory\n");
1695 iwl_dbgfs_unregister(priv);
1696 return ret;
1697}
1698EXPORT_SYMBOL(iwl_dbgfs_register);
1699
1700
1701
1702
1703
1704void iwl_dbgfs_unregister(struct iwl_priv *priv)
1705{
1706 if (!priv->dbgfs)
1707 return;
1708
1709 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1710 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1711 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1712 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1713 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1714 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1715 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1716 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1717 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1718 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1719#ifdef CONFIG_IWLWIFI_LEDS
1720 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1721#endif
1722 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1723 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1724 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1725 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1726 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1727 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1728 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1729 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1730 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1731 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1732 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1733 file_ucode_rx_stats);
1734 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1735 file_ucode_tx_stats);
1736 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1737 file_ucode_general_stats);
1738 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1739 file_sensitivity);
1740 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1741 file_chain_noise);
1742 }
1743 DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1744 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1745 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1746 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1747 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1748 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1749 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1750 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1751 kfree(priv->dbgfs);
1752 priv->dbgfs = NULL;
1753}
1754EXPORT_SYMBOL(iwl_dbgfs_unregister);
1755
1756
1757
1758
