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iwlagn: debug_level moves to struct iwl_shared
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42 #include "iwl-agn.h"
43
44 /* create and remove of files */
45 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
46 if (!debugfs_create_file(#name, mode, parent, priv, \
47 &iwl_dbgfs_##name##_ops)) \
48 goto err; \
49 } while (0)
50
51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
52 struct dentry *__tmp; \
53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
54 parent, ptr); \
55 if (IS_ERR(__tmp) || !__tmp) \
56 goto err; \
57 } while (0)
58
59 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
60 struct dentry *__tmp; \
61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
62 parent, ptr); \
63 if (IS_ERR(__tmp) || !__tmp) \
64 goto err; \
65 } while (0)
66
67 /* file operation */
68 #define DEBUGFS_READ_FUNC(name) \
69 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
70 char __user *user_buf, \
71 size_t count, loff_t *ppos);
72
73 #define DEBUGFS_WRITE_FUNC(name) \
74 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
75 const char __user *user_buf, \
76 size_t count, loff_t *ppos);
77
78
79 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
80 {
81 file->private_data = inode->i_private;
82 return 0;
83 }
84
85 #define DEBUGFS_READ_FILE_OPS(name) \
86 DEBUGFS_READ_FUNC(name); \
87 static const struct file_operations iwl_dbgfs_##name##_ops = { \
88 .read = iwl_dbgfs_##name##_read, \
89 .open = iwl_dbgfs_open_file_generic, \
90 .llseek = generic_file_llseek, \
91 };
92
93 #define DEBUGFS_WRITE_FILE_OPS(name) \
94 DEBUGFS_WRITE_FUNC(name); \
95 static const struct file_operations iwl_dbgfs_##name##_ops = { \
96 .write = iwl_dbgfs_##name##_write, \
97 .open = iwl_dbgfs_open_file_generic, \
98 .llseek = generic_file_llseek, \
99 };
100
101
102 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
103 DEBUGFS_READ_FUNC(name); \
104 DEBUGFS_WRITE_FUNC(name); \
105 static const struct file_operations iwl_dbgfs_##name##_ops = { \
106 .write = iwl_dbgfs_##name##_write, \
107 .read = iwl_dbgfs_##name##_read, \
108 .open = iwl_dbgfs_open_file_generic, \
109 .llseek = generic_file_llseek, \
110 };
111
112 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
113 char __user *user_buf,
114 size_t count, loff_t *ppos) {
115
116 struct iwl_priv *priv = file->private_data;
117 char *buf;
118 int pos = 0;
119
120 int cnt;
121 ssize_t ret;
122 const size_t bufsz = 100 +
123 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
124 buf = kzalloc(bufsz, GFP_KERNEL);
125 if (!buf)
126 return -ENOMEM;
127 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
128 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
129 pos += scnprintf(buf + pos, bufsz - pos,
130 "\t%25s\t\t: %u\n",
131 get_mgmt_string(cnt),
132 priv->tx_stats.mgmt[cnt]);
133 }
134 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
135 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
136 pos += scnprintf(buf + pos, bufsz - pos,
137 "\t%25s\t\t: %u\n",
138 get_ctrl_string(cnt),
139 priv->tx_stats.ctrl[cnt]);
140 }
141 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
142 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
143 priv->tx_stats.data_cnt);
144 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
145 priv->tx_stats.data_bytes);
146 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
147 kfree(buf);
148 return ret;
149 }
150
151 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
152 const char __user *user_buf,
153 size_t count, loff_t *ppos)
154 {
155 struct iwl_priv *priv = file->private_data;
156 u32 clear_flag;
157 char buf[8];
158 int buf_size;
159
160 memset(buf, 0, sizeof(buf));
161 buf_size = min(count, sizeof(buf) - 1);
162 if (copy_from_user(buf, user_buf, buf_size))
163 return -EFAULT;
164 if (sscanf(buf, "%x", &clear_flag) != 1)
165 return -EFAULT;
166 iwl_clear_traffic_stats(priv);
167
168 return count;
169 }
170
171 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
172 char __user *user_buf,
173 size_t count, loff_t *ppos) {
174
175 struct iwl_priv *priv = file->private_data;
176 char *buf;
177 int pos = 0;
178 int cnt;
179 ssize_t ret;
180 const size_t bufsz = 100 +
181 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
182 buf = kzalloc(bufsz, GFP_KERNEL);
183 if (!buf)
184 return -ENOMEM;
185
186 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
187 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
188 pos += scnprintf(buf + pos, bufsz - pos,
189 "\t%25s\t\t: %u\n",
190 get_mgmt_string(cnt),
191 priv->rx_stats.mgmt[cnt]);
192 }
193 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
194 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
195 pos += scnprintf(buf + pos, bufsz - pos,
196 "\t%25s\t\t: %u\n",
197 get_ctrl_string(cnt),
198 priv->rx_stats.ctrl[cnt]);
199 }
200 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
201 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
202 priv->rx_stats.data_cnt);
203 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
204 priv->rx_stats.data_bytes);
205
206 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
207 kfree(buf);
208 return ret;
209 }
210
211 static ssize_t iwl_dbgfs_sram_read(struct file *file,
212 char __user *user_buf,
213 size_t count, loff_t *ppos)
214 {
215 u32 val = 0;
216 char *buf;
217 ssize_t ret;
218 int i = 0;
219 bool device_format = false;
220 int offset = 0;
221 int len = 0;
222 int pos = 0;
223 int sram;
224 struct iwl_priv *priv = file->private_data;
225 size_t bufsz;
226
227 /* default is to dump the entire data segment */
228 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
229 priv->dbgfs_sram_offset = 0x800000;
230 if (priv->ucode_type == IWL_UCODE_INIT)
231 priv->dbgfs_sram_len = priv->ucode_init.data.len;
232 else
233 priv->dbgfs_sram_len = priv->ucode_rt.data.len;
234 }
235 len = priv->dbgfs_sram_len;
236
237 if (len == -4) {
238 device_format = true;
239 len = 4;
240 }
241
242 bufsz = 50 + len * 4;
243 buf = kmalloc(bufsz, GFP_KERNEL);
244 if (!buf)
245 return -ENOMEM;
246
247 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
248 len);
249 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
250 priv->dbgfs_sram_offset);
251
252 /* adjust sram address since reads are only on even u32 boundaries */
253 offset = priv->dbgfs_sram_offset & 0x3;
254 sram = priv->dbgfs_sram_offset & ~0x3;
255
256 /* read the first u32 from sram */
257 val = iwl_read_targ_mem(priv, sram);
258
259 for (; len; len--) {
260 /* put the address at the start of every line */
261 if (i == 0)
262 pos += scnprintf(buf + pos, bufsz - pos,
263 "%08X: ", sram + offset);
264
265 if (device_format)
266 pos += scnprintf(buf + pos, bufsz - pos,
267 "%02x", (val >> (8 * (3 - offset))) & 0xff);
268 else
269 pos += scnprintf(buf + pos, bufsz - pos,
270 "%02x ", (val >> (8 * offset)) & 0xff);
271
272 /* if all bytes processed, read the next u32 from sram */
273 if (++offset == 4) {
274 sram += 4;
275 offset = 0;
276 val = iwl_read_targ_mem(priv, sram);
277 }
278
279 /* put in extra spaces and split lines for human readability */
280 if (++i == 16) {
281 i = 0;
282 pos += scnprintf(buf + pos, bufsz - pos, "\n");
283 } else if (!(i & 7)) {
284 pos += scnprintf(buf + pos, bufsz - pos, " ");
285 } else if (!(i & 3)) {
286 pos += scnprintf(buf + pos, bufsz - pos, " ");
287 }
288 }
289 if (i)
290 pos += scnprintf(buf + pos, bufsz - pos, "\n");
291
292 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
293 kfree(buf);
294 return ret;
295 }
296
297 static ssize_t iwl_dbgfs_sram_write(struct file *file,
298 const char __user *user_buf,
299 size_t count, loff_t *ppos)
300 {
301 struct iwl_priv *priv = file->private_data;
302 char buf[64];
303 int buf_size;
304 u32 offset, len;
305
306 memset(buf, 0, sizeof(buf));
307 buf_size = min(count, sizeof(buf) - 1);
308 if (copy_from_user(buf, user_buf, buf_size))
309 return -EFAULT;
310
311 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
312 priv->dbgfs_sram_offset = offset;
313 priv->dbgfs_sram_len = len;
314 } else if (sscanf(buf, "%x", &offset) == 1) {
315 priv->dbgfs_sram_offset = offset;
316 priv->dbgfs_sram_len = -4;
317 } else {
318 priv->dbgfs_sram_offset = 0;
319 priv->dbgfs_sram_len = 0;
320 }
321
322 return count;
323 }
324
325 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
326 char __user *user_buf,
327 size_t count, loff_t *ppos)
328 {
329 struct iwl_priv *priv = file->private_data;
330
331 if (!priv->wowlan_sram)
332 return -ENODATA;
333
334 return simple_read_from_buffer(user_buf, count, ppos,
335 priv->wowlan_sram,
336 priv->ucode_wowlan.data.len);
337 }
338 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
339 size_t count, loff_t *ppos)
340 {
341 struct iwl_priv *priv = file->private_data;
342 struct iwl_station_entry *station;
343 int max_sta = priv->hw_params.max_stations;
344 char *buf;
345 int i, j, pos = 0;
346 ssize_t ret;
347 /* Add 30 for initial string */
348 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
349
350 buf = kmalloc(bufsz, GFP_KERNEL);
351 if (!buf)
352 return -ENOMEM;
353
354 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
355 priv->num_stations);
356
357 for (i = 0; i < max_sta; i++) {
358 station = &priv->stations[i];
359 if (!station->used)
360 continue;
361 pos += scnprintf(buf + pos, bufsz - pos,
362 "station %d - addr: %pM, flags: %#x\n",
363 i, station->sta.sta.addr,
364 station->sta.station_flags_msk);
365 pos += scnprintf(buf + pos, bufsz - pos,
366 "TID\tseq_num\ttxq_id\tframes\ttfds\t");
367 pos += scnprintf(buf + pos, bufsz - pos,
368 "start_idx\tbitmap\t\t\trate_n_flags\n");
369
370 for (j = 0; j < MAX_TID_COUNT; j++) {
371 pos += scnprintf(buf + pos, bufsz - pos,
372 "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
373 j, station->tid[j].seq_number,
374 station->tid[j].agg.txq_id,
375 station->tid[j].agg.frame_count,
376 station->tid[j].tfds_in_queue,
377 station->tid[j].agg.start_idx,
378 station->tid[j].agg.bitmap,
379 station->tid[j].agg.rate_n_flags);
380
381 if (station->tid[j].agg.wait_for_ba)
382 pos += scnprintf(buf + pos, bufsz - pos,
383 " - waitforba");
384 pos += scnprintf(buf + pos, bufsz - pos, "\n");
385 }
386
387 pos += scnprintf(buf + pos, bufsz - pos, "\n");
388 }
389
390 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
391 kfree(buf);
392 return ret;
393 }
394
395 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
396 char __user *user_buf,
397 size_t count,
398 loff_t *ppos)
399 {
400 ssize_t ret;
401 struct iwl_priv *priv = file->private_data;
402 int pos = 0, ofs = 0, buf_size = 0;
403 const u8 *ptr;
404 char *buf;
405 u16 eeprom_ver;
406 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
407 buf_size = 4 * eeprom_len + 256;
408
409 if (eeprom_len % 16) {
410 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
411 return -ENODATA;
412 }
413
414 ptr = priv->eeprom;
415 if (!ptr) {
416 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
417 return -ENOMEM;
418 }
419
420 /* 4 characters for byte 0xYY */
421 buf = kzalloc(buf_size, GFP_KERNEL);
422 if (!buf) {
423 IWL_ERR(priv, "Can not allocate Buffer\n");
424 return -ENOMEM;
425 }
426 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
427 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
428 "version: 0x%x\n",
429 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
430 ? "OTP" : "EEPROM", eeprom_ver);
431 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
432 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
433 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
434 buf_size - pos, 0);
435 pos += strlen(buf + pos);
436 if (buf_size - pos > 0)
437 buf[pos++] = '\n';
438 }
439
440 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
441 kfree(buf);
442 return ret;
443 }
444
445 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
446 char __user *user_buf,
447 size_t count, loff_t *ppos)
448 {
449 struct iwl_priv *priv = file->private_data;
450 char *buf;
451 int pos = 0;
452 ssize_t ret = -ENOMEM;
453
454 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
455 if (buf) {
456 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
457 kfree(buf);
458 }
459 return ret;
460 }
461
462 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
463 const char __user *user_buf,
464 size_t count, loff_t *ppos)
465 {
466 struct iwl_priv *priv = file->private_data;
467 u32 event_log_flag;
468 char buf[8];
469 int buf_size;
470
471 memset(buf, 0, sizeof(buf));
472 buf_size = min(count, sizeof(buf) - 1);
473 if (copy_from_user(buf, user_buf, buf_size))
474 return -EFAULT;
475 if (sscanf(buf, "%d", &event_log_flag) != 1)
476 return -EFAULT;
477 if (event_log_flag == 1)
478 iwl_dump_nic_event_log(priv, true, NULL, false);
479
480 return count;
481 }
482
483
484
485 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
486 size_t count, loff_t *ppos)
487 {
488 struct iwl_priv *priv = file->private_data;
489 struct ieee80211_channel *channels = NULL;
490 const struct ieee80211_supported_band *supp_band = NULL;
491 int pos = 0, i, bufsz = PAGE_SIZE;
492 char *buf;
493 ssize_t ret;
494
495 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
496 return -EAGAIN;
497
498 buf = kzalloc(bufsz, GFP_KERNEL);
499 if (!buf) {
500 IWL_ERR(priv, "Can not allocate Buffer\n");
501 return -ENOMEM;
502 }
503
504 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
505 if (supp_band) {
506 channels = supp_band->channels;
507
508 pos += scnprintf(buf + pos, bufsz - pos,
509 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
510 supp_band->n_channels);
511
512 for (i = 0; i < supp_band->n_channels; i++)
513 pos += scnprintf(buf + pos, bufsz - pos,
514 "%d: %ddBm: BSS%s%s, %s.\n",
515 channels[i].hw_value,
516 channels[i].max_power,
517 channels[i].flags & IEEE80211_CHAN_RADAR ?
518 " (IEEE 802.11h required)" : "",
519 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
520 || (channels[i].flags &
521 IEEE80211_CHAN_RADAR)) ? "" :
522 ", IBSS",
523 channels[i].flags &
524 IEEE80211_CHAN_PASSIVE_SCAN ?
525 "passive only" : "active/passive");
526 }
527 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
528 if (supp_band) {
529 channels = supp_band->channels;
530
531 pos += scnprintf(buf + pos, bufsz - pos,
532 "Displaying %d channels in 5.2GHz band (802.11a)\n",
533 supp_band->n_channels);
534
535 for (i = 0; i < supp_band->n_channels; i++)
536 pos += scnprintf(buf + pos, bufsz - pos,
537 "%d: %ddBm: BSS%s%s, %s.\n",
538 channels[i].hw_value,
539 channels[i].max_power,
540 channels[i].flags & IEEE80211_CHAN_RADAR ?
541 " (IEEE 802.11h required)" : "",
542 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
543 || (channels[i].flags &
544 IEEE80211_CHAN_RADAR)) ? "" :
545 ", IBSS",
546 channels[i].flags &
547 IEEE80211_CHAN_PASSIVE_SCAN ?
548 "passive only" : "active/passive");
549 }
550 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
551 kfree(buf);
552 return ret;
553 }
554
555 static ssize_t iwl_dbgfs_status_read(struct file *file,
556 char __user *user_buf,
557 size_t count, loff_t *ppos) {
558
559 struct iwl_priv *priv = file->private_data;
560 char buf[512];
561 int pos = 0;
562 const size_t bufsz = sizeof(buf);
563
564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
565 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
566 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
567 test_bit(STATUS_INT_ENABLED, &priv->status));
568 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
569 test_bit(STATUS_RF_KILL_HW, &priv->status));
570 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
571 test_bit(STATUS_CT_KILL, &priv->status));
572 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
573 test_bit(STATUS_INIT, &priv->status));
574 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
575 test_bit(STATUS_ALIVE, &priv->status));
576 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
577 test_bit(STATUS_READY, &priv->status));
578 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
579 test_bit(STATUS_TEMPERATURE, &priv->status));
580 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
581 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
582 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
583 test_bit(STATUS_EXIT_PENDING, &priv->status));
584 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
585 test_bit(STATUS_STATISTICS, &priv->status));
586 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
587 test_bit(STATUS_SCANNING, &priv->status));
588 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
589 test_bit(STATUS_SCAN_ABORTING, &priv->status));
590 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
591 test_bit(STATUS_SCAN_HW, &priv->status));
592 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
593 test_bit(STATUS_POWER_PMI, &priv->status));
594 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
595 test_bit(STATUS_FW_ERROR, &priv->status));
596 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
597 }
598
599 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
600 char __user *user_buf,
601 size_t count, loff_t *ppos) {
602
603 struct iwl_priv *priv = file->private_data;
604 int pos = 0;
605 int cnt = 0;
606 char *buf;
607 int bufsz = 24 * 64; /* 24 items * 64 char per item */
608 ssize_t ret;
609
610 buf = kzalloc(bufsz, GFP_KERNEL);
611 if (!buf) {
612 IWL_ERR(priv, "Can not allocate Buffer\n");
613 return -ENOMEM;
614 }
615
616 pos += scnprintf(buf + pos, bufsz - pos,
617 "Interrupt Statistics Report:\n");
618
619 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
620 priv->isr_stats.hw);
621 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
622 priv->isr_stats.sw);
623 if (priv->isr_stats.sw || priv->isr_stats.hw) {
624 pos += scnprintf(buf + pos, bufsz - pos,
625 "\tLast Restarting Code: 0x%X\n",
626 priv->isr_stats.err_code);
627 }
628 #ifdef CONFIG_IWLWIFI_DEBUG
629 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
630 priv->isr_stats.sch);
631 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
632 priv->isr_stats.alive);
633 #endif
634 pos += scnprintf(buf + pos, bufsz - pos,
635 "HW RF KILL switch toggled:\t %u\n",
636 priv->isr_stats.rfkill);
637
638 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
639 priv->isr_stats.ctkill);
640
641 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
642 priv->isr_stats.wakeup);
643
644 pos += scnprintf(buf + pos, bufsz - pos,
645 "Rx command responses:\t\t %u\n",
646 priv->isr_stats.rx);
647 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
648 if (priv->isr_stats.rx_handlers[cnt] > 0)
649 pos += scnprintf(buf + pos, bufsz - pos,
650 "\tRx handler[%36s]:\t\t %u\n",
651 get_cmd_string(cnt),
652 priv->isr_stats.rx_handlers[cnt]);
653 }
654
655 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
656 priv->isr_stats.tx);
657
658 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
659 priv->isr_stats.unhandled);
660
661 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
662 kfree(buf);
663 return ret;
664 }
665
666 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
667 const char __user *user_buf,
668 size_t count, loff_t *ppos)
669 {
670 struct iwl_priv *priv = file->private_data;
671 char buf[8];
672 int buf_size;
673 u32 reset_flag;
674
675 memset(buf, 0, sizeof(buf));
676 buf_size = min(count, sizeof(buf) - 1);
677 if (copy_from_user(buf, user_buf, buf_size))
678 return -EFAULT;
679 if (sscanf(buf, "%x", &reset_flag) != 1)
680 return -EFAULT;
681 if (reset_flag == 0)
682 iwl_clear_isr_stats(priv);
683
684 return count;
685 }
686
687 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
688 size_t count, loff_t *ppos)
689 {
690 struct iwl_priv *priv = file->private_data;
691 struct iwl_rxon_context *ctx;
692 int pos = 0, i;
693 char buf[256 * NUM_IWL_RXON_CTX];
694 const size_t bufsz = sizeof(buf);
695
696 for_each_context(priv, ctx) {
697 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
698 ctx->ctxid);
699 for (i = 0; i < AC_NUM; i++) {
700 pos += scnprintf(buf + pos, bufsz - pos,
701 "\tcw_min\tcw_max\taifsn\ttxop\n");
702 pos += scnprintf(buf + pos, bufsz - pos,
703 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
704 ctx->qos_data.def_qos_parm.ac[i].cw_min,
705 ctx->qos_data.def_qos_parm.ac[i].cw_max,
706 ctx->qos_data.def_qos_parm.ac[i].aifsn,
707 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
708 }
709 pos += scnprintf(buf + pos, bufsz - pos, "\n");
710 }
711 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
712 }
713
714 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
715 char __user *user_buf,
716 size_t count, loff_t *ppos)
717 {
718 struct iwl_priv *priv = file->private_data;
719 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
720 struct iwl_tt_restriction *restriction;
721 char buf[100];
722 int pos = 0;
723 const size_t bufsz = sizeof(buf);
724
725 pos += scnprintf(buf + pos, bufsz - pos,
726 "Thermal Throttling Mode: %s\n",
727 tt->advanced_tt ? "Advance" : "Legacy");
728 pos += scnprintf(buf + pos, bufsz - pos,
729 "Thermal Throttling State: %d\n",
730 tt->state);
731 if (tt->advanced_tt) {
732 restriction = tt->restriction + tt->state;
733 pos += scnprintf(buf + pos, bufsz - pos,
734 "Tx mode: %d\n",
735 restriction->tx_stream);
736 pos += scnprintf(buf + pos, bufsz - pos,
737 "Rx mode: %d\n",
738 restriction->rx_stream);
739 pos += scnprintf(buf + pos, bufsz - pos,
740 "HT mode: %d\n",
741 restriction->is_ht);
742 }
743 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
744 }
745
746 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
747 const char __user *user_buf,
748 size_t count, loff_t *ppos)
749 {
750 struct iwl_priv *priv = file->private_data;
751 char buf[8];
752 int buf_size;
753 int ht40;
754
755 memset(buf, 0, sizeof(buf));
756 buf_size = min(count, sizeof(buf) - 1);
757 if (copy_from_user(buf, user_buf, buf_size))
758 return -EFAULT;
759 if (sscanf(buf, "%d", &ht40) != 1)
760 return -EFAULT;
761 if (!iwl_is_any_associated(priv))
762 priv->disable_ht40 = ht40 ? true : false;
763 else {
764 IWL_ERR(priv, "Sta associated with AP - "
765 "Change to 40MHz channel support is not allowed\n");
766 return -EINVAL;
767 }
768
769 return count;
770 }
771
772 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
773 char __user *user_buf,
774 size_t count, loff_t *ppos)
775 {
776 struct iwl_priv *priv = file->private_data;
777 char buf[100];
778 int pos = 0;
779 const size_t bufsz = sizeof(buf);
780
781 pos += scnprintf(buf + pos, bufsz - pos,
782 "11n 40MHz Mode: %s\n",
783 priv->disable_ht40 ? "Disabled" : "Enabled");
784 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
785 }
786
787 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
788 const char __user *user_buf,
789 size_t count, loff_t *ppos)
790 {
791 struct iwl_priv *priv = file->private_data;
792 char buf[8];
793 int buf_size;
794 int value;
795
796 memset(buf, 0, sizeof(buf));
797 buf_size = min(count, sizeof(buf) - 1);
798 if (copy_from_user(buf, user_buf, buf_size))
799 return -EFAULT;
800
801 if (sscanf(buf, "%d", &value) != 1)
802 return -EINVAL;
803
804 /*
805 * Our users expect 0 to be "CAM", but 0 isn't actually
806 * valid here. However, let's not confuse them and present
807 * IWL_POWER_INDEX_1 as "1", not "0".
808 */
809 if (value == 0)
810 return -EINVAL;
811 else if (value > 0)
812 value -= 1;
813
814 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
815 return -EINVAL;
816
817 if (!iwl_is_ready_rf(priv))
818 return -EAGAIN;
819
820 priv->power_data.debug_sleep_level_override = value;
821
822 mutex_lock(&priv->mutex);
823 iwl_power_update_mode(priv, true);
824 mutex_unlock(&priv->mutex);
825
826 return count;
827 }
828
829 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
830 char __user *user_buf,
831 size_t count, loff_t *ppos)
832 {
833 struct iwl_priv *priv = file->private_data;
834 char buf[10];
835 int pos, value;
836 const size_t bufsz = sizeof(buf);
837
838 /* see the write function */
839 value = priv->power_data.debug_sleep_level_override;
840 if (value >= 0)
841 value += 1;
842
843 pos = scnprintf(buf, bufsz, "%d\n", value);
844 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
845 }
846
847 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
848 char __user *user_buf,
849 size_t count, loff_t *ppos)
850 {
851 struct iwl_priv *priv = file->private_data;
852 char buf[200];
853 int pos = 0, i;
854 const size_t bufsz = sizeof(buf);
855 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
856
857 pos += scnprintf(buf + pos, bufsz - pos,
858 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
859 pos += scnprintf(buf + pos, bufsz - pos,
860 "RX/TX timeout: %d/%d usec\n",
861 le32_to_cpu(cmd->rx_data_timeout),
862 le32_to_cpu(cmd->tx_data_timeout));
863 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
864 pos += scnprintf(buf + pos, bufsz - pos,
865 "sleep_interval[%d]: %d\n", i,
866 le32_to_cpu(cmd->sleep_interval[i]));
867
868 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
869 }
870
871 DEBUGFS_READ_WRITE_FILE_OPS(sram);
872 DEBUGFS_READ_FILE_OPS(wowlan_sram);
873 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
874 DEBUGFS_READ_FILE_OPS(nvm);
875 DEBUGFS_READ_FILE_OPS(stations);
876 DEBUGFS_READ_FILE_OPS(channels);
877 DEBUGFS_READ_FILE_OPS(status);
878 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
879 DEBUGFS_READ_FILE_OPS(qos);
880 DEBUGFS_READ_FILE_OPS(thermal_throttling);
881 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
882 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
883 DEBUGFS_READ_FILE_OPS(current_sleep_command);
884
885 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
886 char __user *user_buf,
887 size_t count, loff_t *ppos)
888 {
889 struct iwl_priv *priv = file->private_data;
890 int pos = 0, ofs = 0;
891 int cnt = 0, entry;
892 struct iwl_tx_queue *txq;
893 struct iwl_queue *q;
894 struct iwl_rx_queue *rxq = &priv->rxq;
895 char *buf;
896 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
897 (priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
898 const u8 *ptr;
899 ssize_t ret;
900
901 if (!priv->txq) {
902 IWL_ERR(priv, "txq not ready\n");
903 return -EAGAIN;
904 }
905 buf = kzalloc(bufsz, GFP_KERNEL);
906 if (!buf) {
907 IWL_ERR(priv, "Can not allocate buffer\n");
908 return -ENOMEM;
909 }
910 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
911 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
912 txq = &priv->txq[cnt];
913 q = &txq->q;
914 pos += scnprintf(buf + pos, bufsz - pos,
915 "q[%d]: read_ptr: %u, write_ptr: %u\n",
916 cnt, q->read_ptr, q->write_ptr);
917 }
918 if (priv->tx_traffic &&
919 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
920 ptr = priv->tx_traffic;
921 pos += scnprintf(buf + pos, bufsz - pos,
922 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
923 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
924 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
925 entry++, ofs += 16) {
926 pos += scnprintf(buf + pos, bufsz - pos,
927 "0x%.4x ", ofs);
928 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
929 buf + pos, bufsz - pos, 0);
930 pos += strlen(buf + pos);
931 if (bufsz - pos > 0)
932 buf[pos++] = '\n';
933 }
934 }
935 }
936
937 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
938 pos += scnprintf(buf + pos, bufsz - pos,
939 "read: %u, write: %u\n",
940 rxq->read, rxq->write);
941
942 if (priv->rx_traffic &&
943 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
944 ptr = priv->rx_traffic;
945 pos += scnprintf(buf + pos, bufsz - pos,
946 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
947 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
948 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
949 entry++, ofs += 16) {
950 pos += scnprintf(buf + pos, bufsz - pos,
951 "0x%.4x ", ofs);
952 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
953 buf + pos, bufsz - pos, 0);
954 pos += strlen(buf + pos);
955 if (bufsz - pos > 0)
956 buf[pos++] = '\n';
957 }
958 }
959 }
960
961 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
962 kfree(buf);
963 return ret;
964 }
965
966 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
967 const char __user *user_buf,
968 size_t count, loff_t *ppos)
969 {
970 struct iwl_priv *priv = file->private_data;
971 char buf[8];
972 int buf_size;
973 int traffic_log;
974
975 memset(buf, 0, sizeof(buf));
976 buf_size = min(count, sizeof(buf) - 1);
977 if (copy_from_user(buf, user_buf, buf_size))
978 return -EFAULT;
979 if (sscanf(buf, "%d", &traffic_log) != 1)
980 return -EFAULT;
981 if (traffic_log == 0)
982 iwl_reset_traffic_log(priv);
983
984 return count;
985 }
986
987 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
988 char __user *user_buf,
989 size_t count, loff_t *ppos) {
990
991 struct iwl_priv *priv = file->private_data;
992 struct iwl_tx_queue *txq;
993 struct iwl_queue *q;
994 char *buf;
995 int pos = 0;
996 int cnt;
997 int ret;
998 const size_t bufsz = sizeof(char) * 64 *
999 priv->cfg->base_params->num_of_queues;
1000
1001 if (!priv->txq) {
1002 IWL_ERR(priv, "txq not ready\n");
1003 return -EAGAIN;
1004 }
1005 buf = kzalloc(bufsz, GFP_KERNEL);
1006 if (!buf)
1007 return -ENOMEM;
1008
1009 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1010 txq = &priv->txq[cnt];
1011 q = &txq->q;
1012 pos += scnprintf(buf + pos, bufsz - pos,
1013 "hwq %.2d: read=%u write=%u stop=%d"
1014 " swq_id=%#.2x (ac %d/hwq %d)\n",
1015 cnt, q->read_ptr, q->write_ptr,
1016 !!test_bit(cnt, priv->queue_stopped),
1017 txq->swq_id, txq->swq_id & 3,
1018 (txq->swq_id >> 2) & 0x1f);
1019 if (cnt >= 4)
1020 continue;
1021 /* for the ACs, display the stop count too */
1022 pos += scnprintf(buf + pos, bufsz - pos,
1023 " stop-count: %d\n",
1024 atomic_read(&priv->queue_stop_count[cnt]));
1025 }
1026 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1027 kfree(buf);
1028 return ret;
1029 }
1030
1031 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1032 char __user *user_buf,
1033 size_t count, loff_t *ppos) {
1034
1035 struct iwl_priv *priv = file->private_data;
1036 struct iwl_rx_queue *rxq = &priv->rxq;
1037 char buf[256];
1038 int pos = 0;
1039 const size_t bufsz = sizeof(buf);
1040
1041 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1042 rxq->read);
1043 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1044 rxq->write);
1045 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1046 rxq->free_count);
1047 if (rxq->rb_stts) {
1048 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1049 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1050 } else {
1051 pos += scnprintf(buf + pos, bufsz - pos,
1052 "closed_rb_num: Not Allocated\n");
1053 }
1054 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1055 }
1056
1057 static const char *fmt_value = " %-30s %10u\n";
1058 static const char *fmt_hex = " %-30s 0x%02X\n";
1059 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
1060 static const char *fmt_header =
1061 "%-32s current cumulative delta max\n";
1062
1063 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
1064 {
1065 int p = 0;
1066 u32 flag;
1067
1068 flag = le32_to_cpu(priv->statistics.flag);
1069
1070 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
1071 if (flag & UCODE_STATISTICS_CLEAR_MSK)
1072 p += scnprintf(buf + p, bufsz - p,
1073 "\tStatistics have been cleared\n");
1074 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
1075 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
1076 ? "2.4 GHz" : "5.2 GHz");
1077 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
1078 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
1079 ? "enabled" : "disabled");
1080
1081 return p;
1082 }
1083
1084 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1085 char __user *user_buf,
1086 size_t count, loff_t *ppos)
1087 {
1088 struct iwl_priv *priv = file->private_data;
1089 int pos = 0;
1090 char *buf;
1091 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1092 sizeof(struct statistics_rx_non_phy) * 40 +
1093 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
1094 ssize_t ret;
1095 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1096 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
1097 struct statistics_rx_non_phy *general, *accum_general;
1098 struct statistics_rx_non_phy *delta_general, *max_general;
1099 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
1100
1101 if (!iwl_is_alive(priv))
1102 return -EAGAIN;
1103
1104 buf = kzalloc(bufsz, GFP_KERNEL);
1105 if (!buf) {
1106 IWL_ERR(priv, "Can not allocate Buffer\n");
1107 return -ENOMEM;
1108 }
1109
1110 /*
1111 * the statistic information display here is based on
1112 * the last statistics notification from uCode
1113 * might not reflect the current uCode activity
1114 */
1115 ofdm = &priv->statistics.rx_ofdm;
1116 cck = &priv->statistics.rx_cck;
1117 general = &priv->statistics.rx_non_phy;
1118 ht = &priv->statistics.rx_ofdm_ht;
1119 accum_ofdm = &priv->accum_stats.rx_ofdm;
1120 accum_cck = &priv->accum_stats.rx_cck;
1121 accum_general = &priv->accum_stats.rx_non_phy;
1122 accum_ht = &priv->accum_stats.rx_ofdm_ht;
1123 delta_ofdm = &priv->delta_stats.rx_ofdm;
1124 delta_cck = &priv->delta_stats.rx_cck;
1125 delta_general = &priv->delta_stats.rx_non_phy;
1126 delta_ht = &priv->delta_stats.rx_ofdm_ht;
1127 max_ofdm = &priv->max_delta_stats.rx_ofdm;
1128 max_cck = &priv->max_delta_stats.rx_cck;
1129 max_general = &priv->max_delta_stats.rx_non_phy;
1130 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
1131
1132 pos += iwl_statistics_flag(priv, buf, bufsz);
1133 pos += scnprintf(buf + pos, bufsz - pos,
1134 fmt_header, "Statistics_Rx - OFDM:");
1135 pos += scnprintf(buf + pos, bufsz - pos,
1136 fmt_table, "ina_cnt:",
1137 le32_to_cpu(ofdm->ina_cnt),
1138 accum_ofdm->ina_cnt,
1139 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1140 pos += scnprintf(buf + pos, bufsz - pos,
1141 fmt_table, "fina_cnt:",
1142 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1143 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1144 pos += scnprintf(buf + pos, bufsz - pos,
1145 fmt_table, "plcp_err:",
1146 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1147 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1148 pos += scnprintf(buf + pos, bufsz - pos,
1149 fmt_table, "crc32_err:",
1150 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1151 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1152 pos += scnprintf(buf + pos, bufsz - pos,
1153 fmt_table, "overrun_err:",
1154 le32_to_cpu(ofdm->overrun_err),
1155 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1156 max_ofdm->overrun_err);
1157 pos += scnprintf(buf + pos, bufsz - pos,
1158 fmt_table, "early_overrun_err:",
1159 le32_to_cpu(ofdm->early_overrun_err),
1160 accum_ofdm->early_overrun_err,
1161 delta_ofdm->early_overrun_err,
1162 max_ofdm->early_overrun_err);
1163 pos += scnprintf(buf + pos, bufsz - pos,
1164 fmt_table, "crc32_good:",
1165 le32_to_cpu(ofdm->crc32_good),
1166 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1167 max_ofdm->crc32_good);
1168 pos += scnprintf(buf + pos, bufsz - pos,
1169 fmt_table, "false_alarm_cnt:",
1170 le32_to_cpu(ofdm->false_alarm_cnt),
1171 accum_ofdm->false_alarm_cnt,
1172 delta_ofdm->false_alarm_cnt,
1173 max_ofdm->false_alarm_cnt);
1174 pos += scnprintf(buf + pos, bufsz - pos,
1175 fmt_table, "fina_sync_err_cnt:",
1176 le32_to_cpu(ofdm->fina_sync_err_cnt),
1177 accum_ofdm->fina_sync_err_cnt,
1178 delta_ofdm->fina_sync_err_cnt,
1179 max_ofdm->fina_sync_err_cnt);
1180 pos += scnprintf(buf + pos, bufsz - pos,
1181 fmt_table, "sfd_timeout:",
1182 le32_to_cpu(ofdm->sfd_timeout),
1183 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1184 max_ofdm->sfd_timeout);
1185 pos += scnprintf(buf + pos, bufsz - pos,
1186 fmt_table, "fina_timeout:",
1187 le32_to_cpu(ofdm->fina_timeout),
1188 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1189 max_ofdm->fina_timeout);
1190 pos += scnprintf(buf + pos, bufsz - pos,
1191 fmt_table, "unresponded_rts:",
1192 le32_to_cpu(ofdm->unresponded_rts),
1193 accum_ofdm->unresponded_rts,
1194 delta_ofdm->unresponded_rts,
1195 max_ofdm->unresponded_rts);
1196 pos += scnprintf(buf + pos, bufsz - pos,
1197 fmt_table, "rxe_frame_lmt_ovrun:",
1198 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1199 accum_ofdm->rxe_frame_limit_overrun,
1200 delta_ofdm->rxe_frame_limit_overrun,
1201 max_ofdm->rxe_frame_limit_overrun);
1202 pos += scnprintf(buf + pos, bufsz - pos,
1203 fmt_table, "sent_ack_cnt:",
1204 le32_to_cpu(ofdm->sent_ack_cnt),
1205 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1206 max_ofdm->sent_ack_cnt);
1207 pos += scnprintf(buf + pos, bufsz - pos,
1208 fmt_table, "sent_cts_cnt:",
1209 le32_to_cpu(ofdm->sent_cts_cnt),
1210 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1211 max_ofdm->sent_cts_cnt);
1212 pos += scnprintf(buf + pos, bufsz - pos,
1213 fmt_table, "sent_ba_rsp_cnt:",
1214 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1215 accum_ofdm->sent_ba_rsp_cnt,
1216 delta_ofdm->sent_ba_rsp_cnt,
1217 max_ofdm->sent_ba_rsp_cnt);
1218 pos += scnprintf(buf + pos, bufsz - pos,
1219 fmt_table, "dsp_self_kill:",
1220 le32_to_cpu(ofdm->dsp_self_kill),
1221 accum_ofdm->dsp_self_kill,
1222 delta_ofdm->dsp_self_kill,
1223 max_ofdm->dsp_self_kill);
1224 pos += scnprintf(buf + pos, bufsz - pos,
1225 fmt_table, "mh_format_err:",
1226 le32_to_cpu(ofdm->mh_format_err),
1227 accum_ofdm->mh_format_err,
1228 delta_ofdm->mh_format_err,
1229 max_ofdm->mh_format_err);
1230 pos += scnprintf(buf + pos, bufsz - pos,
1231 fmt_table, "re_acq_main_rssi_sum:",
1232 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1233 accum_ofdm->re_acq_main_rssi_sum,
1234 delta_ofdm->re_acq_main_rssi_sum,
1235 max_ofdm->re_acq_main_rssi_sum);
1236
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 fmt_header, "Statistics_Rx - CCK:");
1239 pos += scnprintf(buf + pos, bufsz - pos,
1240 fmt_table, "ina_cnt:",
1241 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1242 delta_cck->ina_cnt, max_cck->ina_cnt);
1243 pos += scnprintf(buf + pos, bufsz - pos,
1244 fmt_table, "fina_cnt:",
1245 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1246 delta_cck->fina_cnt, max_cck->fina_cnt);
1247 pos += scnprintf(buf + pos, bufsz - pos,
1248 fmt_table, "plcp_err:",
1249 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1250 delta_cck->plcp_err, max_cck->plcp_err);
1251 pos += scnprintf(buf + pos, bufsz - pos,
1252 fmt_table, "crc32_err:",
1253 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1254 delta_cck->crc32_err, max_cck->crc32_err);
1255 pos += scnprintf(buf + pos, bufsz - pos,
1256 fmt_table, "overrun_err:",
1257 le32_to_cpu(cck->overrun_err),
1258 accum_cck->overrun_err, delta_cck->overrun_err,
1259 max_cck->overrun_err);
1260 pos += scnprintf(buf + pos, bufsz - pos,
1261 fmt_table, "early_overrun_err:",
1262 le32_to_cpu(cck->early_overrun_err),
1263 accum_cck->early_overrun_err,
1264 delta_cck->early_overrun_err,
1265 max_cck->early_overrun_err);
1266 pos += scnprintf(buf + pos, bufsz - pos,
1267 fmt_table, "crc32_good:",
1268 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1269 delta_cck->crc32_good, max_cck->crc32_good);
1270 pos += scnprintf(buf + pos, bufsz - pos,
1271 fmt_table, "false_alarm_cnt:",
1272 le32_to_cpu(cck->false_alarm_cnt),
1273 accum_cck->false_alarm_cnt,
1274 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1275 pos += scnprintf(buf + pos, bufsz - pos,
1276 fmt_table, "fina_sync_err_cnt:",
1277 le32_to_cpu(cck->fina_sync_err_cnt),
1278 accum_cck->fina_sync_err_cnt,
1279 delta_cck->fina_sync_err_cnt,
1280 max_cck->fina_sync_err_cnt);
1281 pos += scnprintf(buf + pos, bufsz - pos,
1282 fmt_table, "sfd_timeout:",
1283 le32_to_cpu(cck->sfd_timeout),
1284 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1285 max_cck->sfd_timeout);
1286 pos += scnprintf(buf + pos, bufsz - pos,
1287 fmt_table, "fina_timeout:",
1288 le32_to_cpu(cck->fina_timeout),
1289 accum_cck->fina_timeout, delta_cck->fina_timeout,
1290 max_cck->fina_timeout);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 fmt_table, "unresponded_rts:",
1293 le32_to_cpu(cck->unresponded_rts),
1294 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1295 max_cck->unresponded_rts);
1296 pos += scnprintf(buf + pos, bufsz - pos,
1297 fmt_table, "rxe_frame_lmt_ovrun:",
1298 le32_to_cpu(cck->rxe_frame_limit_overrun),
1299 accum_cck->rxe_frame_limit_overrun,
1300 delta_cck->rxe_frame_limit_overrun,
1301 max_cck->rxe_frame_limit_overrun);
1302 pos += scnprintf(buf + pos, bufsz - pos,
1303 fmt_table, "sent_ack_cnt:",
1304 le32_to_cpu(cck->sent_ack_cnt),
1305 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1306 max_cck->sent_ack_cnt);
1307 pos += scnprintf(buf + pos, bufsz - pos,
1308 fmt_table, "sent_cts_cnt:",
1309 le32_to_cpu(cck->sent_cts_cnt),
1310 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1311 max_cck->sent_cts_cnt);
1312 pos += scnprintf(buf + pos, bufsz - pos,
1313 fmt_table, "sent_ba_rsp_cnt:",
1314 le32_to_cpu(cck->sent_ba_rsp_cnt),
1315 accum_cck->sent_ba_rsp_cnt,
1316 delta_cck->sent_ba_rsp_cnt,
1317 max_cck->sent_ba_rsp_cnt);
1318 pos += scnprintf(buf + pos, bufsz - pos,
1319 fmt_table, "dsp_self_kill:",
1320 le32_to_cpu(cck->dsp_self_kill),
1321 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1322 max_cck->dsp_self_kill);
1323 pos += scnprintf(buf + pos, bufsz - pos,
1324 fmt_table, "mh_format_err:",
1325 le32_to_cpu(cck->mh_format_err),
1326 accum_cck->mh_format_err, delta_cck->mh_format_err,
1327 max_cck->mh_format_err);
1328 pos += scnprintf(buf + pos, bufsz - pos,
1329 fmt_table, "re_acq_main_rssi_sum:",
1330 le32_to_cpu(cck->re_acq_main_rssi_sum),
1331 accum_cck->re_acq_main_rssi_sum,
1332 delta_cck->re_acq_main_rssi_sum,
1333 max_cck->re_acq_main_rssi_sum);
1334
1335 pos += scnprintf(buf + pos, bufsz - pos,
1336 fmt_header, "Statistics_Rx - GENERAL:");
1337 pos += scnprintf(buf + pos, bufsz - pos,
1338 fmt_table, "bogus_cts:",
1339 le32_to_cpu(general->bogus_cts),
1340 accum_general->bogus_cts, delta_general->bogus_cts,
1341 max_general->bogus_cts);
1342 pos += scnprintf(buf + pos, bufsz - pos,
1343 fmt_table, "bogus_ack:",
1344 le32_to_cpu(general->bogus_ack),
1345 accum_general->bogus_ack, delta_general->bogus_ack,
1346 max_general->bogus_ack);
1347 pos += scnprintf(buf + pos, bufsz - pos,
1348 fmt_table, "non_bssid_frames:",
1349 le32_to_cpu(general->non_bssid_frames),
1350 accum_general->non_bssid_frames,
1351 delta_general->non_bssid_frames,
1352 max_general->non_bssid_frames);
1353 pos += scnprintf(buf + pos, bufsz - pos,
1354 fmt_table, "filtered_frames:",
1355 le32_to_cpu(general->filtered_frames),
1356 accum_general->filtered_frames,
1357 delta_general->filtered_frames,
1358 max_general->filtered_frames);
1359 pos += scnprintf(buf + pos, bufsz - pos,
1360 fmt_table, "non_channel_beacons:",
1361 le32_to_cpu(general->non_channel_beacons),
1362 accum_general->non_channel_beacons,
1363 delta_general->non_channel_beacons,
1364 max_general->non_channel_beacons);
1365 pos += scnprintf(buf + pos, bufsz - pos,
1366 fmt_table, "channel_beacons:",
1367 le32_to_cpu(general->channel_beacons),
1368 accum_general->channel_beacons,
1369 delta_general->channel_beacons,
1370 max_general->channel_beacons);
1371 pos += scnprintf(buf + pos, bufsz - pos,
1372 fmt_table, "num_missed_bcon:",
1373 le32_to_cpu(general->num_missed_bcon),
1374 accum_general->num_missed_bcon,
1375 delta_general->num_missed_bcon,
1376 max_general->num_missed_bcon);
1377 pos += scnprintf(buf + pos, bufsz - pos,
1378 fmt_table, "adc_rx_saturation_time:",
1379 le32_to_cpu(general->adc_rx_saturation_time),
1380 accum_general->adc_rx_saturation_time,
1381 delta_general->adc_rx_saturation_time,
1382 max_general->adc_rx_saturation_time);
1383 pos += scnprintf(buf + pos, bufsz - pos,
1384 fmt_table, "ina_detect_search_tm:",
1385 le32_to_cpu(general->ina_detection_search_time),
1386 accum_general->ina_detection_search_time,
1387 delta_general->ina_detection_search_time,
1388 max_general->ina_detection_search_time);
1389 pos += scnprintf(buf + pos, bufsz - pos,
1390 fmt_table, "beacon_silence_rssi_a:",
1391 le32_to_cpu(general->beacon_silence_rssi_a),
1392 accum_general->beacon_silence_rssi_a,
1393 delta_general->beacon_silence_rssi_a,
1394 max_general->beacon_silence_rssi_a);
1395 pos += scnprintf(buf + pos, bufsz - pos,
1396 fmt_table, "beacon_silence_rssi_b:",
1397 le32_to_cpu(general->beacon_silence_rssi_b),
1398 accum_general->beacon_silence_rssi_b,
1399 delta_general->beacon_silence_rssi_b,
1400 max_general->beacon_silence_rssi_b);
1401 pos += scnprintf(buf + pos, bufsz - pos,
1402 fmt_table, "beacon_silence_rssi_c:",
1403 le32_to_cpu(general->beacon_silence_rssi_c),
1404 accum_general->beacon_silence_rssi_c,
1405 delta_general->beacon_silence_rssi_c,
1406 max_general->beacon_silence_rssi_c);
1407 pos += scnprintf(buf + pos, bufsz - pos,
1408 fmt_table, "interference_data_flag:",
1409 le32_to_cpu(general->interference_data_flag),
1410 accum_general->interference_data_flag,
1411 delta_general->interference_data_flag,
1412 max_general->interference_data_flag);
1413 pos += scnprintf(buf + pos, bufsz - pos,
1414 fmt_table, "channel_load:",
1415 le32_to_cpu(general->channel_load),
1416 accum_general->channel_load,
1417 delta_general->channel_load,
1418 max_general->channel_load);
1419 pos += scnprintf(buf + pos, bufsz - pos,
1420 fmt_table, "dsp_false_alarms:",
1421 le32_to_cpu(general->dsp_false_alarms),
1422 accum_general->dsp_false_alarms,
1423 delta_general->dsp_false_alarms,
1424 max_general->dsp_false_alarms);
1425 pos += scnprintf(buf + pos, bufsz - pos,
1426 fmt_table, "beacon_rssi_a:",
1427 le32_to_cpu(general->beacon_rssi_a),
1428 accum_general->beacon_rssi_a,
1429 delta_general->beacon_rssi_a,
1430 max_general->beacon_rssi_a);
1431 pos += scnprintf(buf + pos, bufsz - pos,
1432 fmt_table, "beacon_rssi_b:",
1433 le32_to_cpu(general->beacon_rssi_b),
1434 accum_general->beacon_rssi_b,
1435 delta_general->beacon_rssi_b,
1436 max_general->beacon_rssi_b);
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 fmt_table, "beacon_rssi_c:",
1439 le32_to_cpu(general->beacon_rssi_c),
1440 accum_general->beacon_rssi_c,
1441 delta_general->beacon_rssi_c,
1442 max_general->beacon_rssi_c);
1443 pos += scnprintf(buf + pos, bufsz - pos,
1444 fmt_table, "beacon_energy_a:",
1445 le32_to_cpu(general->beacon_energy_a),
1446 accum_general->beacon_energy_a,
1447 delta_general->beacon_energy_a,
1448 max_general->beacon_energy_a);
1449 pos += scnprintf(buf + pos, bufsz - pos,
1450 fmt_table, "beacon_energy_b:",
1451 le32_to_cpu(general->beacon_energy_b),
1452 accum_general->beacon_energy_b,
1453 delta_general->beacon_energy_b,
1454 max_general->beacon_energy_b);
1455 pos += scnprintf(buf + pos, bufsz - pos,
1456 fmt_table, "beacon_energy_c:",
1457 le32_to_cpu(general->beacon_energy_c),
1458 accum_general->beacon_energy_c,
1459 delta_general->beacon_energy_c,
1460 max_general->beacon_energy_c);
1461
1462 pos += scnprintf(buf + pos, bufsz - pos,
1463 fmt_header, "Statistics_Rx - OFDM_HT:");
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 fmt_table, "plcp_err:",
1466 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1467 delta_ht->plcp_err, max_ht->plcp_err);
1468 pos += scnprintf(buf + pos, bufsz - pos,
1469 fmt_table, "overrun_err:",
1470 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1471 delta_ht->overrun_err, max_ht->overrun_err);
1472 pos += scnprintf(buf + pos, bufsz - pos,
1473 fmt_table, "early_overrun_err:",
1474 le32_to_cpu(ht->early_overrun_err),
1475 accum_ht->early_overrun_err,
1476 delta_ht->early_overrun_err,
1477 max_ht->early_overrun_err);
1478 pos += scnprintf(buf + pos, bufsz - pos,
1479 fmt_table, "crc32_good:",
1480 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1481 delta_ht->crc32_good, max_ht->crc32_good);
1482 pos += scnprintf(buf + pos, bufsz - pos,
1483 fmt_table, "crc32_err:",
1484 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1485 delta_ht->crc32_err, max_ht->crc32_err);
1486 pos += scnprintf(buf + pos, bufsz - pos,
1487 fmt_table, "mh_format_err:",
1488 le32_to_cpu(ht->mh_format_err),
1489 accum_ht->mh_format_err,
1490 delta_ht->mh_format_err, max_ht->mh_format_err);
1491 pos += scnprintf(buf + pos, bufsz - pos,
1492 fmt_table, "agg_crc32_good:",
1493 le32_to_cpu(ht->agg_crc32_good),
1494 accum_ht->agg_crc32_good,
1495 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1496 pos += scnprintf(buf + pos, bufsz - pos,
1497 fmt_table, "agg_mpdu_cnt:",
1498 le32_to_cpu(ht->agg_mpdu_cnt),
1499 accum_ht->agg_mpdu_cnt,
1500 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1501 pos += scnprintf(buf + pos, bufsz - pos,
1502 fmt_table, "agg_cnt:",
1503 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1504 delta_ht->agg_cnt, max_ht->agg_cnt);
1505 pos += scnprintf(buf + pos, bufsz - pos,
1506 fmt_table, "unsupport_mcs:",
1507 le32_to_cpu(ht->unsupport_mcs),
1508 accum_ht->unsupport_mcs,
1509 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1510
1511 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1512 kfree(buf);
1513 return ret;
1514 }
1515
1516 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1517 char __user *user_buf,
1518 size_t count, loff_t *ppos)
1519 {
1520 struct iwl_priv *priv = file->private_data;
1521 int pos = 0;
1522 char *buf;
1523 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1524 ssize_t ret;
1525 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1526
1527 if (!iwl_is_alive(priv))
1528 return -EAGAIN;
1529
1530 buf = kzalloc(bufsz, GFP_KERNEL);
1531 if (!buf) {
1532 IWL_ERR(priv, "Can not allocate Buffer\n");
1533 return -ENOMEM;
1534 }
1535
1536 /* the statistic information display here is based on
1537 * the last statistics notification from uCode
1538 * might not reflect the current uCode activity
1539 */
1540 tx = &priv->statistics.tx;
1541 accum_tx = &priv->accum_stats.tx;
1542 delta_tx = &priv->delta_stats.tx;
1543 max_tx = &priv->max_delta_stats.tx;
1544
1545 pos += iwl_statistics_flag(priv, buf, bufsz);
1546 pos += scnprintf(buf + pos, bufsz - pos,
1547 fmt_header, "Statistics_Tx:");
1548 pos += scnprintf(buf + pos, bufsz - pos,
1549 fmt_table, "preamble:",
1550 le32_to_cpu(tx->preamble_cnt),
1551 accum_tx->preamble_cnt,
1552 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1553 pos += scnprintf(buf + pos, bufsz - pos,
1554 fmt_table, "rx_detected_cnt:",
1555 le32_to_cpu(tx->rx_detected_cnt),
1556 accum_tx->rx_detected_cnt,
1557 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1558 pos += scnprintf(buf + pos, bufsz - pos,
1559 fmt_table, "bt_prio_defer_cnt:",
1560 le32_to_cpu(tx->bt_prio_defer_cnt),
1561 accum_tx->bt_prio_defer_cnt,
1562 delta_tx->bt_prio_defer_cnt,
1563 max_tx->bt_prio_defer_cnt);
1564 pos += scnprintf(buf + pos, bufsz - pos,
1565 fmt_table, "bt_prio_kill_cnt:",
1566 le32_to_cpu(tx->bt_prio_kill_cnt),
1567 accum_tx->bt_prio_kill_cnt,
1568 delta_tx->bt_prio_kill_cnt,
1569 max_tx->bt_prio_kill_cnt);
1570 pos += scnprintf(buf + pos, bufsz - pos,
1571 fmt_table, "few_bytes_cnt:",
1572 le32_to_cpu(tx->few_bytes_cnt),
1573 accum_tx->few_bytes_cnt,
1574 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1575 pos += scnprintf(buf + pos, bufsz - pos,
1576 fmt_table, "cts_timeout:",
1577 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1578 delta_tx->cts_timeout, max_tx->cts_timeout);
1579 pos += scnprintf(buf + pos, bufsz - pos,
1580 fmt_table, "ack_timeout:",
1581 le32_to_cpu(tx->ack_timeout),
1582 accum_tx->ack_timeout,
1583 delta_tx->ack_timeout, max_tx->ack_timeout);
1584 pos += scnprintf(buf + pos, bufsz - pos,
1585 fmt_table, "expected_ack_cnt:",
1586 le32_to_cpu(tx->expected_ack_cnt),
1587 accum_tx->expected_ack_cnt,
1588 delta_tx->expected_ack_cnt,
1589 max_tx->expected_ack_cnt);
1590 pos += scnprintf(buf + pos, bufsz - pos,
1591 fmt_table, "actual_ack_cnt:",
1592 le32_to_cpu(tx->actual_ack_cnt),
1593 accum_tx->actual_ack_cnt,
1594 delta_tx->actual_ack_cnt,
1595 max_tx->actual_ack_cnt);
1596 pos += scnprintf(buf + pos, bufsz - pos,
1597 fmt_table, "dump_msdu_cnt:",
1598 le32_to_cpu(tx->dump_msdu_cnt),
1599 accum_tx->dump_msdu_cnt,
1600 delta_tx->dump_msdu_cnt,
1601 max_tx->dump_msdu_cnt);
1602 pos += scnprintf(buf + pos, bufsz - pos,
1603 fmt_table, "abort_nxt_frame_mismatch:",
1604 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1605 accum_tx->burst_abort_next_frame_mismatch_cnt,
1606 delta_tx->burst_abort_next_frame_mismatch_cnt,
1607 max_tx->burst_abort_next_frame_mismatch_cnt);
1608 pos += scnprintf(buf + pos, bufsz - pos,
1609 fmt_table, "abort_missing_nxt_frame:",
1610 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1611 accum_tx->burst_abort_missing_next_frame_cnt,
1612 delta_tx->burst_abort_missing_next_frame_cnt,
1613 max_tx->burst_abort_missing_next_frame_cnt);
1614 pos += scnprintf(buf + pos, bufsz - pos,
1615 fmt_table, "cts_timeout_collision:",
1616 le32_to_cpu(tx->cts_timeout_collision),
1617 accum_tx->cts_timeout_collision,
1618 delta_tx->cts_timeout_collision,
1619 max_tx->cts_timeout_collision);
1620 pos += scnprintf(buf + pos, bufsz - pos,
1621 fmt_table, "ack_ba_timeout_collision:",
1622 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1623 accum_tx->ack_or_ba_timeout_collision,
1624 delta_tx->ack_or_ba_timeout_collision,
1625 max_tx->ack_or_ba_timeout_collision);
1626 pos += scnprintf(buf + pos, bufsz - pos,
1627 fmt_table, "agg ba_timeout:",
1628 le32_to_cpu(tx->agg.ba_timeout),
1629 accum_tx->agg.ba_timeout,
1630 delta_tx->agg.ba_timeout,
1631 max_tx->agg.ba_timeout);
1632 pos += scnprintf(buf + pos, bufsz - pos,
1633 fmt_table, "agg ba_resched_frames:",
1634 le32_to_cpu(tx->agg.ba_reschedule_frames),
1635 accum_tx->agg.ba_reschedule_frames,
1636 delta_tx->agg.ba_reschedule_frames,
1637 max_tx->agg.ba_reschedule_frames);
1638 pos += scnprintf(buf + pos, bufsz - pos,
1639 fmt_table, "agg scd_query_agg_frame:",
1640 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1641 accum_tx->agg.scd_query_agg_frame_cnt,
1642 delta_tx->agg.scd_query_agg_frame_cnt,
1643 max_tx->agg.scd_query_agg_frame_cnt);
1644 pos += scnprintf(buf + pos, bufsz - pos,
1645 fmt_table, "agg scd_query_no_agg:",
1646 le32_to_cpu(tx->agg.scd_query_no_agg),
1647 accum_tx->agg.scd_query_no_agg,
1648 delta_tx->agg.scd_query_no_agg,
1649 max_tx->agg.scd_query_no_agg);
1650 pos += scnprintf(buf + pos, bufsz - pos,
1651 fmt_table, "agg scd_query_agg:",
1652 le32_to_cpu(tx->agg.scd_query_agg),
1653 accum_tx->agg.scd_query_agg,
1654 delta_tx->agg.scd_query_agg,
1655 max_tx->agg.scd_query_agg);
1656 pos += scnprintf(buf + pos, bufsz - pos,
1657 fmt_table, "agg scd_query_mismatch:",
1658 le32_to_cpu(tx->agg.scd_query_mismatch),
1659 accum_tx->agg.scd_query_mismatch,
1660 delta_tx->agg.scd_query_mismatch,
1661 max_tx->agg.scd_query_mismatch);
1662 pos += scnprintf(buf + pos, bufsz - pos,
1663 fmt_table, "agg frame_not_ready:",
1664 le32_to_cpu(tx->agg.frame_not_ready),
1665 accum_tx->agg.frame_not_ready,
1666 delta_tx->agg.frame_not_ready,
1667 max_tx->agg.frame_not_ready);
1668 pos += scnprintf(buf + pos, bufsz - pos,
1669 fmt_table, "agg underrun:",
1670 le32_to_cpu(tx->agg.underrun),
1671 accum_tx->agg.underrun,
1672 delta_tx->agg.underrun, max_tx->agg.underrun);
1673 pos += scnprintf(buf + pos, bufsz - pos,
1674 fmt_table, "agg bt_prio_kill:",
1675 le32_to_cpu(tx->agg.bt_prio_kill),
1676 accum_tx->agg.bt_prio_kill,
1677 delta_tx->agg.bt_prio_kill,
1678 max_tx->agg.bt_prio_kill);
1679 pos += scnprintf(buf + pos, bufsz - pos,
1680 fmt_table, "agg rx_ba_rsp_cnt:",
1681 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1682 accum_tx->agg.rx_ba_rsp_cnt,
1683 delta_tx->agg.rx_ba_rsp_cnt,
1684 max_tx->agg.rx_ba_rsp_cnt);
1685
1686 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1687 pos += scnprintf(buf + pos, bufsz - pos,
1688 "tx power: (1/2 dB step)\n");
1689 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1690 pos += scnprintf(buf + pos, bufsz - pos,
1691 fmt_hex, "antenna A:",
1692 tx->tx_power.ant_a);
1693 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1694 pos += scnprintf(buf + pos, bufsz - pos,
1695 fmt_hex, "antenna B:",
1696 tx->tx_power.ant_b);
1697 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1698 pos += scnprintf(buf + pos, bufsz - pos,
1699 fmt_hex, "antenna C:",
1700 tx->tx_power.ant_c);
1701 }
1702 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1703 kfree(buf);
1704 return ret;
1705 }
1706
1707 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1708 char __user *user_buf,
1709 size_t count, loff_t *ppos)
1710 {
1711 struct iwl_priv *priv = file->private_data;
1712 int pos = 0;
1713 char *buf;
1714 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1715 ssize_t ret;
1716 struct statistics_general_common *general, *accum_general;
1717 struct statistics_general_common *delta_general, *max_general;
1718 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1719 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1720
1721 if (!iwl_is_alive(priv))
1722 return -EAGAIN;
1723
1724 buf = kzalloc(bufsz, GFP_KERNEL);
1725 if (!buf) {
1726 IWL_ERR(priv, "Can not allocate Buffer\n");
1727 return -ENOMEM;
1728 }
1729
1730 /* the statistic information display here is based on
1731 * the last statistics notification from uCode
1732 * might not reflect the current uCode activity
1733 */
1734 general = &priv->statistics.common;
1735 dbg = &priv->statistics.common.dbg;
1736 div = &priv->statistics.common.div;
1737 accum_general = &priv->accum_stats.common;
1738 accum_dbg = &priv->accum_stats.common.dbg;
1739 accum_div = &priv->accum_stats.common.div;
1740 delta_general = &priv->delta_stats.common;
1741 max_general = &priv->max_delta_stats.common;
1742 delta_dbg = &priv->delta_stats.common.dbg;
1743 max_dbg = &priv->max_delta_stats.common.dbg;
1744 delta_div = &priv->delta_stats.common.div;
1745 max_div = &priv->max_delta_stats.common.div;
1746
1747 pos += iwl_statistics_flag(priv, buf, bufsz);
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 fmt_header, "Statistics_General:");
1750 pos += scnprintf(buf + pos, bufsz - pos,
1751 fmt_value, "temperature:",
1752 le32_to_cpu(general->temperature));
1753 pos += scnprintf(buf + pos, bufsz - pos,
1754 fmt_value, "temperature_m:",
1755 le32_to_cpu(general->temperature_m));
1756 pos += scnprintf(buf + pos, bufsz - pos,
1757 fmt_value, "ttl_timestamp:",
1758 le32_to_cpu(general->ttl_timestamp));
1759 pos += scnprintf(buf + pos, bufsz - pos,
1760 fmt_table, "burst_check:",
1761 le32_to_cpu(dbg->burst_check),
1762 accum_dbg->burst_check,
1763 delta_dbg->burst_check, max_dbg->burst_check);
1764 pos += scnprintf(buf + pos, bufsz - pos,
1765 fmt_table, "burst_count:",
1766 le32_to_cpu(dbg->burst_count),
1767 accum_dbg->burst_count,
1768 delta_dbg->burst_count, max_dbg->burst_count);
1769 pos += scnprintf(buf + pos, bufsz - pos,
1770 fmt_table, "wait_for_silence_timeout_count:",
1771 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1772 accum_dbg->wait_for_silence_timeout_cnt,
1773 delta_dbg->wait_for_silence_timeout_cnt,
1774 max_dbg->wait_for_silence_timeout_cnt);
1775 pos += scnprintf(buf + pos, bufsz - pos,
1776 fmt_table, "sleep_time:",
1777 le32_to_cpu(general->sleep_time),
1778 accum_general->sleep_time,
1779 delta_general->sleep_time, max_general->sleep_time);
1780 pos += scnprintf(buf + pos, bufsz - pos,
1781 fmt_table, "slots_out:",
1782 le32_to_cpu(general->slots_out),
1783 accum_general->slots_out,
1784 delta_general->slots_out, max_general->slots_out);
1785 pos += scnprintf(buf + pos, bufsz - pos,
1786 fmt_table, "slots_idle:",
1787 le32_to_cpu(general->slots_idle),
1788 accum_general->slots_idle,
1789 delta_general->slots_idle, max_general->slots_idle);
1790 pos += scnprintf(buf + pos, bufsz - pos,
1791 fmt_table, "tx_on_a:",
1792 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1793 delta_div->tx_on_a, max_div->tx_on_a);
1794 pos += scnprintf(buf + pos, bufsz - pos,
1795 fmt_table, "tx_on_b:",
1796 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1797 delta_div->tx_on_b, max_div->tx_on_b);
1798 pos += scnprintf(buf + pos, bufsz - pos,
1799 fmt_table, "exec_time:",
1800 le32_to_cpu(div->exec_time), accum_div->exec_time,
1801 delta_div->exec_time, max_div->exec_time);
1802 pos += scnprintf(buf + pos, bufsz - pos,
1803 fmt_table, "probe_time:",
1804 le32_to_cpu(div->probe_time), accum_div->probe_time,
1805 delta_div->probe_time, max_div->probe_time);
1806 pos += scnprintf(buf + pos, bufsz - pos,
1807 fmt_table, "rx_enable_counter:",
1808 le32_to_cpu(general->rx_enable_counter),
1809 accum_general->rx_enable_counter,
1810 delta_general->rx_enable_counter,
1811 max_general->rx_enable_counter);
1812 pos += scnprintf(buf + pos, bufsz - pos,
1813 fmt_table, "num_of_sos_states:",
1814 le32_to_cpu(general->num_of_sos_states),
1815 accum_general->num_of_sos_states,
1816 delta_general->num_of_sos_states,
1817 max_general->num_of_sos_states);
1818 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1819 kfree(buf);
1820 return ret;
1821 }
1822
1823 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1824 char __user *user_buf,
1825 size_t count, loff_t *ppos)
1826 {
1827 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1828 int pos = 0;
1829 char *buf;
1830 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1831 ssize_t ret;
1832 struct statistics_bt_activity *bt, *accum_bt;
1833
1834 if (!iwl_is_alive(priv))
1835 return -EAGAIN;
1836
1837 if (!priv->bt_enable_flag)
1838 return -EINVAL;
1839
1840 /* make request to uCode to retrieve statistics information */
1841 mutex_lock(&priv->mutex);
1842 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1843 mutex_unlock(&priv->mutex);
1844
1845 if (ret) {
1846 IWL_ERR(priv,
1847 "Error sending statistics request: %zd\n", ret);
1848 return -EAGAIN;
1849 }
1850 buf = kzalloc(bufsz, GFP_KERNEL);
1851 if (!buf) {
1852 IWL_ERR(priv, "Can not allocate Buffer\n");
1853 return -ENOMEM;
1854 }
1855
1856 /*
1857 * the statistic information display here is based on
1858 * the last statistics notification from uCode
1859 * might not reflect the current uCode activity
1860 */
1861 bt = &priv->statistics.bt_activity;
1862 accum_bt = &priv->accum_stats.bt_activity;
1863
1864 pos += iwl_statistics_flag(priv, buf, bufsz);
1865 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1866 pos += scnprintf(buf + pos, bufsz - pos,
1867 "\t\t\tcurrent\t\t\taccumulative\n");
1868 pos += scnprintf(buf + pos, bufsz - pos,
1869 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1870 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1871 accum_bt->hi_priority_tx_req_cnt);
1872 pos += scnprintf(buf + pos, bufsz - pos,
1873 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1874 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1875 accum_bt->hi_priority_tx_denied_cnt);
1876 pos += scnprintf(buf + pos, bufsz - pos,
1877 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1878 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1879 accum_bt->lo_priority_tx_req_cnt);
1880 pos += scnprintf(buf + pos, bufsz - pos,
1881 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1882 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1883 accum_bt->lo_priority_tx_denied_cnt);
1884 pos += scnprintf(buf + pos, bufsz - pos,
1885 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1886 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1887 accum_bt->hi_priority_rx_req_cnt);
1888 pos += scnprintf(buf + pos, bufsz - pos,
1889 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1890 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1891 accum_bt->hi_priority_rx_denied_cnt);
1892 pos += scnprintf(buf + pos, bufsz - pos,
1893 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1894 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1895 accum_bt->lo_priority_rx_req_cnt);
1896 pos += scnprintf(buf + pos, bufsz - pos,
1897 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1898 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1899 accum_bt->lo_priority_rx_denied_cnt);
1900
1901 pos += scnprintf(buf + pos, bufsz - pos,
1902 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1903 le32_to_cpu(priv->statistics.num_bt_kills),
1904 priv->statistics.accum_num_bt_kills);
1905
1906 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1907 kfree(buf);
1908 return ret;
1909 }
1910
1911 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1912 char __user *user_buf,
1913 size_t count, loff_t *ppos)
1914 {
1915 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1916 int pos = 0;
1917 char *buf;
1918 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1919 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1920 ssize_t ret;
1921
1922 if (!iwl_is_alive(priv))
1923 return -EAGAIN;
1924
1925 buf = kzalloc(bufsz, GFP_KERNEL);
1926 if (!buf) {
1927 IWL_ERR(priv, "Can not allocate Buffer\n");
1928 return -ENOMEM;
1929 }
1930
1931 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1932 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1933 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1934 priv->reply_tx_stats.pp_delay);
1935 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1936 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1937 priv->reply_tx_stats.pp_few_bytes);
1938 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1939 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1940 priv->reply_tx_stats.pp_bt_prio);
1941 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1942 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1943 priv->reply_tx_stats.pp_quiet_period);
1944 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1945 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1946 priv->reply_tx_stats.pp_calc_ttak);
1947 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1948 iwl_get_tx_fail_reason(
1949 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1950 priv->reply_tx_stats.int_crossed_retry);
1951 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1952 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1953 priv->reply_tx_stats.short_limit);
1954 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1955 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1956 priv->reply_tx_stats.long_limit);
1957 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1958 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1959 priv->reply_tx_stats.fifo_underrun);
1960 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1961 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1962 priv->reply_tx_stats.drain_flow);
1963 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1964 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1965 priv->reply_tx_stats.rfkill_flush);
1966 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1967 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1968 priv->reply_tx_stats.life_expire);
1969 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1970 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1971 priv->reply_tx_stats.dest_ps);
1972 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1973 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1974 priv->reply_tx_stats.host_abort);
1975 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1976 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1977 priv->reply_tx_stats.pp_delay);
1978 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1979 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1980 priv->reply_tx_stats.sta_invalid);
1981 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1982 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1983 priv->reply_tx_stats.frag_drop);
1984 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1985 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1986 priv->reply_tx_stats.tid_disable);
1987 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1988 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1989 priv->reply_tx_stats.fifo_flush);
1990 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1991 iwl_get_tx_fail_reason(
1992 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1993 priv->reply_tx_stats.insuff_cf_poll);
1994 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1995 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1996 priv->reply_tx_stats.fail_hw_drop);
1997 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1998 iwl_get_tx_fail_reason(
1999 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
2000 priv->reply_tx_stats.sta_color_mismatch);
2001 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
2002 priv->reply_tx_stats.unknown);
2003
2004 pos += scnprintf(buf + pos, bufsz - pos,
2005 "\nStatistics_Agg_TX_Error:\n");
2006
2007 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2008 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
2009 priv->reply_agg_tx_stats.underrun);
2010 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2011 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
2012 priv->reply_agg_tx_stats.bt_prio);
2013 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2014 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
2015 priv->reply_agg_tx_stats.few_bytes);
2016 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2017 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
2018 priv->reply_agg_tx_stats.abort);
2019 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2020 iwl_get_agg_tx_fail_reason(
2021 AGG_TX_STATE_LAST_SENT_TTL_MSK),
2022 priv->reply_agg_tx_stats.last_sent_ttl);
2023 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2024 iwl_get_agg_tx_fail_reason(
2025 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
2026 priv->reply_agg_tx_stats.last_sent_try);
2027 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2028 iwl_get_agg_tx_fail_reason(
2029 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
2030 priv->reply_agg_tx_stats.last_sent_bt_kill);
2031 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2032 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
2033 priv->reply_agg_tx_stats.scd_query);
2034 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2035 iwl_get_agg_tx_fail_reason(
2036 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
2037 priv->reply_agg_tx_stats.bad_crc32);
2038 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2039 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
2040 priv->reply_agg_tx_stats.response);
2041 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2042 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
2043 priv->reply_agg_tx_stats.dump_tx);
2044 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2045 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
2046 priv->reply_agg_tx_stats.delay_tx);
2047 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
2048 priv->reply_agg_tx_stats.unknown);
2049
2050 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2051 kfree(buf);
2052 return ret;
2053 }
2054
2055 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
2056 char __user *user_buf,
2057 size_t count, loff_t *ppos) {
2058
2059 struct iwl_priv *priv = file->private_data;
2060 int pos = 0;
2061 int cnt = 0;
2062 char *buf;
2063 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
2064 ssize_t ret;
2065 struct iwl_sensitivity_data *data;
2066
2067 data = &priv->sensitivity_data;
2068 buf = kzalloc(bufsz, GFP_KERNEL);
2069 if (!buf) {
2070 IWL_ERR(priv, "Can not allocate Buffer\n");
2071 return -ENOMEM;
2072 }
2073
2074 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
2075 data->auto_corr_ofdm);
2076 pos += scnprintf(buf + pos, bufsz - pos,
2077 "auto_corr_ofdm_mrc:\t\t %u\n",
2078 data->auto_corr_ofdm_mrc);
2079 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
2080 data->auto_corr_ofdm_x1);
2081 pos += scnprintf(buf + pos, bufsz - pos,
2082 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
2083 data->auto_corr_ofdm_mrc_x1);
2084 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
2085 data->auto_corr_cck);
2086 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
2087 data->auto_corr_cck_mrc);
2088 pos += scnprintf(buf + pos, bufsz - pos,
2089 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
2090 data->last_bad_plcp_cnt_ofdm);
2091 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
2092 data->last_fa_cnt_ofdm);
2093 pos += scnprintf(buf + pos, bufsz - pos,
2094 "last_bad_plcp_cnt_cck:\t\t %u\n",
2095 data->last_bad_plcp_cnt_cck);
2096 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
2097 data->last_fa_cnt_cck);
2098 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
2099 data->nrg_curr_state);
2100 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
2101 data->nrg_prev_state);
2102 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
2103 for (cnt = 0; cnt < 10; cnt++) {
2104 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2105 data->nrg_value[cnt]);
2106 }
2107 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2108 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
2109 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
2110 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2111 data->nrg_silence_rssi[cnt]);
2112 }
2113 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2114 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
2115 data->nrg_silence_ref);
2116 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
2117 data->nrg_energy_idx);
2118 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
2119 data->nrg_silence_idx);
2120 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
2121 data->nrg_th_cck);
2122 pos += scnprintf(buf + pos, bufsz - pos,
2123 "nrg_auto_corr_silence_diff:\t %u\n",
2124 data->nrg_auto_corr_silence_diff);
2125 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
2126 data->num_in_cck_no_fa);
2127 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2128 data->nrg_th_ofdm);
2129
2130 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2131 kfree(buf);
2132 return ret;
2133 }
2134
2135
2136 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2137 char __user *user_buf,
2138 size_t count, loff_t *ppos) {
2139
2140 struct iwl_priv *priv = file->private_data;
2141 int pos = 0;
2142 int cnt = 0;
2143 char *buf;
2144 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2145 ssize_t ret;
2146 struct iwl_chain_noise_data *data;
2147
2148 data = &priv->chain_noise_data;
2149 buf = kzalloc(bufsz, GFP_KERNEL);
2150 if (!buf) {
2151 IWL_ERR(priv, "Can not allocate Buffer\n");
2152 return -ENOMEM;
2153 }
2154
2155 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2156 data->active_chains);
2157 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2158 data->chain_noise_a);
2159 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2160 data->chain_noise_b);
2161 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2162 data->chain_noise_c);
2163 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2164 data->chain_signal_a);
2165 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2166 data->chain_signal_b);
2167 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2168 data->chain_signal_c);
2169 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2170 data->beacon_count);
2171
2172 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2173 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2174 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2175 data->disconn_array[cnt]);
2176 }
2177 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2178 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2179 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2180 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2181 data->delta_gain_code[cnt]);
2182 }
2183 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2184 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2185 data->radio_write);
2186 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2187 data->state);
2188
2189 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2190 kfree(buf);
2191 return ret;
2192 }
2193
2194 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2195 char __user *user_buf,
2196 size_t count, loff_t *ppos)
2197 {
2198 struct iwl_priv *priv = file->private_data;
2199 char buf[60];
2200 int pos = 0;
2201 const size_t bufsz = sizeof(buf);
2202 u32 pwrsave_status;
2203
2204 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
2205 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2206
2207 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2208 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2209 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2210 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2211 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2212 "error");
2213
2214 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2215 }
2216
2217 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2218 const char __user *user_buf,
2219 size_t count, loff_t *ppos)
2220 {
2221 struct iwl_priv *priv = file->private_data;
2222 char buf[8];
2223 int buf_size;
2224 int clear;
2225
2226 memset(buf, 0, sizeof(buf));
2227 buf_size = min(count, sizeof(buf) - 1);
2228 if (copy_from_user(buf, user_buf, buf_size))
2229 return -EFAULT;
2230 if (sscanf(buf, "%d", &clear) != 1)
2231 return -EFAULT;
2232
2233 /* make request to uCode to retrieve statistics information */
2234 mutex_lock(&priv->mutex);
2235 iwl_send_statistics_request(priv, CMD_SYNC, true);
2236 mutex_unlock(&priv->mutex);
2237
2238 return count;
2239 }
2240
2241 static ssize_t iwl_dbgfs_csr_write(struct file *file,
2242 const char __user *user_buf,
2243 size_t count, loff_t *ppos)
2244 {
2245 struct iwl_priv *priv = file->private_data;
2246 char buf[8];
2247 int buf_size;
2248 int csr;
2249
2250 memset(buf, 0, sizeof(buf));
2251 buf_size = min(count, sizeof(buf) - 1);
2252 if (copy_from_user(buf, user_buf, buf_size))
2253 return -EFAULT;
2254 if (sscanf(buf, "%d", &csr) != 1)
2255 return -EFAULT;
2256
2257 iwl_dump_csr(priv);
2258
2259 return count;
2260 }
2261
2262 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2263 char __user *user_buf,
2264 size_t count, loff_t *ppos) {
2265
2266 struct iwl_priv *priv = file->private_data;
2267 int pos = 0;
2268 char buf[128];
2269 const size_t bufsz = sizeof(buf);
2270
2271 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2272 priv->event_log.ucode_trace ? "On" : "Off");
2273 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2274 priv->event_log.non_wraps_count);
2275 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2276 priv->event_log.wraps_once_count);
2277 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2278 priv->event_log.wraps_more_count);
2279
2280 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2281 }
2282
2283 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2284 const char __user *user_buf,
2285 size_t count, loff_t *ppos)
2286 {
2287 struct iwl_priv *priv = file->private_data;
2288 char buf[8];
2289 int buf_size;
2290 int trace;
2291
2292 memset(buf, 0, sizeof(buf));
2293 buf_size = min(count, sizeof(buf) - 1);
2294 if (copy_from_user(buf, user_buf, buf_size))
2295 return -EFAULT;
2296 if (sscanf(buf, "%d", &trace) != 1)
2297 return -EFAULT;
2298
2299 if (trace) {
2300 priv->event_log.ucode_trace = true;
2301 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2302 mod_timer(&priv->ucode_trace,
2303 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2304 } else {
2305 priv->event_log.ucode_trace = false;
2306 del_timer_sync(&priv->ucode_trace);
2307 }
2308
2309 return count;
2310 }
2311
2312 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2313 char __user *user_buf,
2314 size_t count, loff_t *ppos) {
2315
2316 struct iwl_priv *priv = file->private_data;
2317 int len = 0;
2318 char buf[20];
2319
2320 len = sprintf(buf, "0x%04X\n",
2321 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2322 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2323 }
2324
2325 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2326 char __user *user_buf,
2327 size_t count, loff_t *ppos) {
2328
2329 struct iwl_priv *priv = file->private_data;
2330 int len = 0;
2331 char buf[20];
2332
2333 len = sprintf(buf, "0x%04X\n",
2334 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2335 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2336 }
2337
2338 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2339 char __user *user_buf,
2340 size_t count, loff_t *ppos)
2341 {
2342 struct iwl_priv *priv = file->private_data;
2343 char *buf;
2344 int pos = 0;
2345 ssize_t ret = -EFAULT;
2346
2347 ret = pos = iwl_dump_fh(priv, &buf, true);
2348 if (buf) {
2349 ret = simple_read_from_buffer(user_buf,
2350 count, ppos, buf, pos);
2351 kfree(buf);
2352 }
2353
2354 return ret;
2355 }
2356
2357 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2358 char __user *user_buf,
2359 size_t count, loff_t *ppos) {
2360
2361 struct iwl_priv *priv = file->private_data;
2362 int pos = 0;
2363 char buf[12];
2364 const size_t bufsz = sizeof(buf);
2365
2366 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2367 priv->missed_beacon_threshold);
2368
2369 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2370 }
2371
2372 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2373 const char __user *user_buf,
2374 size_t count, loff_t *ppos)
2375 {
2376 struct iwl_priv *priv = file->private_data;
2377 char buf[8];
2378 int buf_size;
2379 int missed;
2380
2381 memset(buf, 0, sizeof(buf));
2382 buf_size = min(count, sizeof(buf) - 1);
2383 if (copy_from_user(buf, user_buf, buf_size))
2384 return -EFAULT;
2385 if (sscanf(buf, "%d", &missed) != 1)
2386 return -EINVAL;
2387
2388 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2389 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2390 priv->missed_beacon_threshold =
2391 IWL_MISSED_BEACON_THRESHOLD_DEF;
2392 else
2393 priv->missed_beacon_threshold = missed;
2394
2395 return count;
2396 }
2397
2398 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2399 char __user *user_buf,
2400 size_t count, loff_t *ppos) {
2401
2402 struct iwl_priv *priv = file->private_data;
2403 int pos = 0;
2404 char buf[12];
2405 const size_t bufsz = sizeof(buf);
2406
2407 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2408 priv->cfg->base_params->plcp_delta_threshold);
2409
2410 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2411 }
2412
2413 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2414 const char __user *user_buf,
2415 size_t count, loff_t *ppos) {
2416
2417 struct iwl_priv *priv = file->private_data;
2418 char buf[8];
2419 int buf_size;
2420 int plcp;
2421
2422 memset(buf, 0, sizeof(buf));
2423 buf_size = min(count, sizeof(buf) - 1);
2424 if (copy_from_user(buf, user_buf, buf_size))
2425 return -EFAULT;
2426 if (sscanf(buf, "%d", &plcp) != 1)
2427 return -EINVAL;
2428 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2429 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2430 priv->cfg->base_params->plcp_delta_threshold =
2431 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2432 else
2433 priv->cfg->base_params->plcp_delta_threshold = plcp;
2434 return count;
2435 }
2436
2437 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2438 char __user *user_buf,
2439 size_t count, loff_t *ppos) {
2440
2441 struct iwl_priv *priv = file->private_data;
2442 int i, pos = 0;
2443 char buf[300];
2444 const size_t bufsz = sizeof(buf);
2445 struct iwl_force_reset *force_reset;
2446
2447 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2448 force_reset = &priv->force_reset[i];
2449 pos += scnprintf(buf + pos, bufsz - pos,
2450 "Force reset method %d\n", i);
2451 pos += scnprintf(buf + pos, bufsz - pos,
2452 "\tnumber of reset request: %d\n",
2453 force_reset->reset_request_count);
2454 pos += scnprintf(buf + pos, bufsz - pos,
2455 "\tnumber of reset request success: %d\n",
2456 force_reset->reset_success_count);
2457 pos += scnprintf(buf + pos, bufsz - pos,
2458 "\tnumber of reset request reject: %d\n",
2459 force_reset->reset_reject_count);
2460 pos += scnprintf(buf + pos, bufsz - pos,
2461 "\treset duration: %lu\n",
2462 force_reset->reset_duration);
2463 }
2464 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2465 }
2466
2467 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2468 const char __user *user_buf,
2469 size_t count, loff_t *ppos) {
2470
2471 struct iwl_priv *priv = file->private_data;
2472 char buf[8];
2473 int buf_size;
2474 int reset, ret;
2475
2476 memset(buf, 0, sizeof(buf));
2477 buf_size = min(count, sizeof(buf) - 1);
2478 if (copy_from_user(buf, user_buf, buf_size))
2479 return -EFAULT;
2480 if (sscanf(buf, "%d", &reset) != 1)
2481 return -EINVAL;
2482 switch (reset) {
2483 case IWL_RF_RESET:
2484 case IWL_FW_RESET:
2485 ret = iwl_force_reset(priv, reset, true);
2486 break;
2487 default:
2488 return -EINVAL;
2489 }
2490 return ret ? ret : count;
2491 }
2492
2493 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2494 const char __user *user_buf,
2495 size_t count, loff_t *ppos) {
2496
2497 struct iwl_priv *priv = file->private_data;
2498 char buf[8];
2499 int buf_size;
2500 int flush;
2501
2502 memset(buf, 0, sizeof(buf));
2503 buf_size = min(count, sizeof(buf) - 1);
2504 if (copy_from_user(buf, user_buf, buf_size))
2505 return -EFAULT;
2506 if (sscanf(buf, "%d", &flush) != 1)
2507 return -EINVAL;
2508
2509 if (iwl_is_rfkill(priv))
2510 return -EFAULT;
2511
2512 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2513
2514 return count;
2515 }
2516
2517 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2518 const char __user *user_buf,
2519 size_t count, loff_t *ppos) {
2520
2521 struct iwl_priv *priv = file->private_data;
2522 char buf[8];
2523 int buf_size;
2524 int timeout;
2525
2526 memset(buf, 0, sizeof(buf));
2527 buf_size = min(count, sizeof(buf) - 1);
2528 if (copy_from_user(buf, user_buf, buf_size))
2529 return -EFAULT;
2530 if (sscanf(buf, "%d", &timeout) != 1)
2531 return -EINVAL;
2532 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2533 timeout = IWL_DEF_WD_TIMEOUT;
2534
2535 priv->cfg->base_params->wd_timeout = timeout;
2536 iwl_setup_watchdog(priv);
2537 return count;
2538 }
2539
2540 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2541 char __user *user_buf,
2542 size_t count, loff_t *ppos) {
2543
2544 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2545 int pos = 0;
2546 char buf[200];
2547 const size_t bufsz = sizeof(buf);
2548
2549 if (!priv->bt_enable_flag) {
2550 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2551 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2552 }
2553 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2554 priv->bt_enable_flag);
2555 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2556 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2557 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2558 "last traffic notif: %d\n",
2559 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2560 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2561 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2562 priv->bt_ch_announce, priv->kill_ack_mask,
2563 priv->kill_cts_mask);
2564
2565 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2566 switch (priv->bt_traffic_load) {
2567 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2568 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2569 break;
2570 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2571 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2572 break;
2573 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2574 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2575 break;
2576 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2577 default:
2578 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2579 break;
2580 }
2581
2582 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2583 }
2584
2585 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2586 char __user *user_buf,
2587 size_t count, loff_t *ppos)
2588 {
2589 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2590
2591 int pos = 0;
2592 char buf[40];
2593 const size_t bufsz = sizeof(buf);
2594
2595 if (priv->cfg->ht_params)
2596 pos += scnprintf(buf + pos, bufsz - pos,
2597 "use %s for aggregation\n",
2598 (priv->cfg->ht_params->use_rts_for_aggregation) ?
2599 "rts/cts" : "cts-to-self");
2600 else
2601 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2602
2603 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2604 }
2605
2606 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2607 const char __user *user_buf,
2608 size_t count, loff_t *ppos) {
2609
2610 struct iwl_priv *priv = file->private_data;
2611 char buf[8];
2612 int buf_size;
2613 int rts;
2614
2615 if (!priv->cfg->ht_params)
2616 return -EINVAL;
2617
2618 memset(buf, 0, sizeof(buf));
2619 buf_size = min(count, sizeof(buf) - 1);
2620 if (copy_from_user(buf, user_buf, buf_size))
2621 return -EFAULT;
2622 if (sscanf(buf, "%d", &rts) != 1)
2623 return -EINVAL;
2624 if (rts)
2625 priv->cfg->ht_params->use_rts_for_aggregation = true;
2626 else
2627 priv->cfg->ht_params->use_rts_for_aggregation = false;
2628 return count;
2629 }
2630
2631 DEBUGFS_READ_FILE_OPS(rx_statistics);
2632 DEBUGFS_READ_FILE_OPS(tx_statistics);
2633 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2634 DEBUGFS_READ_FILE_OPS(rx_queue);
2635 DEBUGFS_READ_FILE_OPS(tx_queue);
2636 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2637 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2638 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2639 DEBUGFS_READ_FILE_OPS(sensitivity);
2640 DEBUGFS_READ_FILE_OPS(chain_noise);
2641 DEBUGFS_READ_FILE_OPS(power_save_status);
2642 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2643 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2644 DEBUGFS_WRITE_FILE_OPS(csr);
2645 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2646 DEBUGFS_READ_FILE_OPS(fh_reg);
2647 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2648 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2649 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2650 DEBUGFS_READ_FILE_OPS(rxon_flags);
2651 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2652 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2653 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2654 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2655 DEBUGFS_READ_FILE_OPS(bt_traffic);
2656 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2657 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2658
2659 /*
2660 * Create the debugfs files and directories
2661 *
2662 */
2663 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2664 {
2665 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2666 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2667
2668 dir_drv = debugfs_create_dir(name, phyd);
2669 if (!dir_drv)
2670 return -ENOMEM;
2671
2672 priv->debugfs_dir = dir_drv;
2673
2674 dir_data = debugfs_create_dir("data", dir_drv);
2675 if (!dir_data)
2676 goto err;
2677 dir_rf = debugfs_create_dir("rf", dir_drv);
2678 if (!dir_rf)
2679 goto err;
2680 dir_debug = debugfs_create_dir("debug", dir_drv);
2681 if (!dir_debug)
2682 goto err;
2683
2684 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2685 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2686 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2687 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2688 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2689 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2690 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2691 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2692 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2693 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2694 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2695 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2696 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2697 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2698 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2699 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2700 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2701 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
2702 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2703 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2704 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2705 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2706 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2707 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2708 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2709 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2710 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2711 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2712 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2713 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2714 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2715
2716 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2717 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2718 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2719 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2720 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2721 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2722 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2723 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2724 if (iwl_advanced_bt_coexist(priv))
2725 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2726 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2727 &priv->disable_sens_cal);
2728 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2729 &priv->disable_chain_noise_cal);
2730 return 0;
2731
2732 err:
2733 IWL_ERR(priv, "Can't create the debugfs directory\n");
2734 iwl_dbgfs_unregister(priv);
2735 return -ENOMEM;
2736 }
2737
2738 /**
2739 * Remove the debugfs files and directories
2740 *
2741 */
2742 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2743 {
2744 if (!priv->debugfs_dir)
2745 return;
2746
2747 debugfs_remove_recursive(priv->debugfs_dir);
2748 priv->debugfs_dir = NULL;
2749 }
2750
2751
2752
Linux kernel - Deliverables
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