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Merge remote-tracking branch 's5p/for-next'
[linux-2.6/next.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blobec1485b2d3fe708192d132b8f7ca35283be9afbc
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 && (iwl_debug_level & IWL_DL_TX)) {
919 ptr = priv->tx_traffic;
920 pos += scnprintf(buf + pos, bufsz - pos,
921 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
922 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
923 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
924 entry++, ofs += 16) {
925 pos += scnprintf(buf + pos, bufsz - pos,
926 "0x%.4x ", ofs);
927 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
928 buf + pos, bufsz - pos, 0);
929 pos += strlen(buf + pos);
930 if (bufsz - pos > 0)
931 buf[pos++] = '\n';
932 }
933 }
934 }
935
936 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
937 pos += scnprintf(buf + pos, bufsz - pos,
938 "read: %u, write: %u\n",
939 rxq->read, rxq->write);
940
941 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
942 ptr = priv->rx_traffic;
943 pos += scnprintf(buf + pos, bufsz - pos,
944 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
945 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
946 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
947 entry++, ofs += 16) {
948 pos += scnprintf(buf + pos, bufsz - pos,
949 "0x%.4x ", ofs);
950 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
951 buf + pos, bufsz - pos, 0);
952 pos += strlen(buf + pos);
953 if (bufsz - pos > 0)
954 buf[pos++] = '\n';
955 }
956 }
957 }
958
959 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
960 kfree(buf);
961 return ret;
962 }
963
964 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
965 const char __user *user_buf,
966 size_t count, loff_t *ppos)
967 {
968 struct iwl_priv *priv = file->private_data;
969 char buf[8];
970 int buf_size;
971 int traffic_log;
972
973 memset(buf, 0, sizeof(buf));
974 buf_size = min(count, sizeof(buf) - 1);
975 if (copy_from_user(buf, user_buf, buf_size))
976 return -EFAULT;
977 if (sscanf(buf, "%d", &traffic_log) != 1)
978 return -EFAULT;
979 if (traffic_log == 0)
980 iwl_reset_traffic_log(priv);
981
982 return count;
983 }
984
985 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
986 char __user *user_buf,
987 size_t count, loff_t *ppos) {
988
989 struct iwl_priv *priv = file->private_data;
990 struct iwl_tx_queue *txq;
991 struct iwl_queue *q;
992 char *buf;
993 int pos = 0;
994 int cnt;
995 int ret;
996 const size_t bufsz = sizeof(char) * 64 *
997 priv->cfg->base_params->num_of_queues;
998
999 if (!priv->txq) {
1000 IWL_ERR(priv, "txq not ready\n");
1001 return -EAGAIN;
1002 }
1003 buf = kzalloc(bufsz, GFP_KERNEL);
1004 if (!buf)
1005 return -ENOMEM;
1006
1007 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1008 txq = &priv->txq[cnt];
1009 q = &txq->q;
1010 pos += scnprintf(buf + pos, bufsz - pos,
1011 "hwq %.2d: read=%u write=%u stop=%d"
1012 " swq_id=%#.2x (ac %d/hwq %d)\n",
1013 cnt, q->read_ptr, q->write_ptr,
1014 !!test_bit(cnt, priv->queue_stopped),
1015 txq->swq_id, txq->swq_id & 3,
1016 (txq->swq_id >> 2) & 0x1f);
1017 if (cnt >= 4)
1018 continue;
1019 /* for the ACs, display the stop count too */
1020 pos += scnprintf(buf + pos, bufsz - pos,
1021 " stop-count: %d\n",
1022 atomic_read(&priv->queue_stop_count[cnt]));
1023 }
1024 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1025 kfree(buf);
1026 return ret;
1027 }
1028
1029 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1030 char __user *user_buf,
1031 size_t count, loff_t *ppos) {
1032
1033 struct iwl_priv *priv = file->private_data;
1034 struct iwl_rx_queue *rxq = &priv->rxq;
1035 char buf[256];
1036 int pos = 0;
1037 const size_t bufsz = sizeof(buf);
1038
1039 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1040 rxq->read);
1041 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1042 rxq->write);
1043 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1044 rxq->free_count);
1045 if (rxq->rb_stts) {
1046 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1047 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1048 } else {
1049 pos += scnprintf(buf + pos, bufsz - pos,
1050 "closed_rb_num: Not Allocated\n");
1051 }
1052 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1053 }
1054
1055 static const char *fmt_value = " %-30s %10u\n";
1056 static const char *fmt_hex = " %-30s 0x%02X\n";
1057 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
1058 static const char *fmt_header =
1059 "%-32s current cumulative delta max\n";
1060
1061 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
1062 {
1063 int p = 0;
1064 u32 flag;
1065
1066 flag = le32_to_cpu(priv->statistics.flag);
1067
1068 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
1069 if (flag & UCODE_STATISTICS_CLEAR_MSK)
1070 p += scnprintf(buf + p, bufsz - p,
1071 "\tStatistics have been cleared\n");
1072 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
1073 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
1074 ? "2.4 GHz" : "5.2 GHz");
1075 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
1076 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
1077 ? "enabled" : "disabled");
1078
1079 return p;
1080 }
1081
1082 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1083 char __user *user_buf,
1084 size_t count, loff_t *ppos)
1085 {
1086 struct iwl_priv *priv = file->private_data;
1087 int pos = 0;
1088 char *buf;
1089 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1090 sizeof(struct statistics_rx_non_phy) * 40 +
1091 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
1092 ssize_t ret;
1093 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1094 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
1095 struct statistics_rx_non_phy *general, *accum_general;
1096 struct statistics_rx_non_phy *delta_general, *max_general;
1097 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
1098
1099 if (!iwl_is_alive(priv))
1100 return -EAGAIN;
1101
1102 buf = kzalloc(bufsz, GFP_KERNEL);
1103 if (!buf) {
1104 IWL_ERR(priv, "Can not allocate Buffer\n");
1105 return -ENOMEM;
1106 }
1107
1108 /*
1109 * the statistic information display here is based on
1110 * the last statistics notification from uCode
1111 * might not reflect the current uCode activity
1112 */
1113 ofdm = &priv->statistics.rx_ofdm;
1114 cck = &priv->statistics.rx_cck;
1115 general = &priv->statistics.rx_non_phy;
1116 ht = &priv->statistics.rx_ofdm_ht;
1117 accum_ofdm = &priv->accum_stats.rx_ofdm;
1118 accum_cck = &priv->accum_stats.rx_cck;
1119 accum_general = &priv->accum_stats.rx_non_phy;
1120 accum_ht = &priv->accum_stats.rx_ofdm_ht;
1121 delta_ofdm = &priv->delta_stats.rx_ofdm;
1122 delta_cck = &priv->delta_stats.rx_cck;
1123 delta_general = &priv->delta_stats.rx_non_phy;
1124 delta_ht = &priv->delta_stats.rx_ofdm_ht;
1125 max_ofdm = &priv->max_delta_stats.rx_ofdm;
1126 max_cck = &priv->max_delta_stats.rx_cck;
1127 max_general = &priv->max_delta_stats.rx_non_phy;
1128 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
1129
1130 pos += iwl_statistics_flag(priv, buf, bufsz);
1131 pos += scnprintf(buf + pos, bufsz - pos,
1132 fmt_header, "Statistics_Rx - OFDM:");
1133 pos += scnprintf(buf + pos, bufsz - pos,
1134 fmt_table, "ina_cnt:",
1135 le32_to_cpu(ofdm->ina_cnt),
1136 accum_ofdm->ina_cnt,
1137 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1138 pos += scnprintf(buf + pos, bufsz - pos,
1139 fmt_table, "fina_cnt:",
1140 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1141 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1142 pos += scnprintf(buf + pos, bufsz - pos,
1143 fmt_table, "plcp_err:",
1144 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1145 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1146 pos += scnprintf(buf + pos, bufsz - pos,
1147 fmt_table, "crc32_err:",
1148 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1149 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1150 pos += scnprintf(buf + pos, bufsz - pos,
1151 fmt_table, "overrun_err:",
1152 le32_to_cpu(ofdm->overrun_err),
1153 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1154 max_ofdm->overrun_err);
1155 pos += scnprintf(buf + pos, bufsz - pos,
1156 fmt_table, "early_overrun_err:",
1157 le32_to_cpu(ofdm->early_overrun_err),
1158 accum_ofdm->early_overrun_err,
1159 delta_ofdm->early_overrun_err,
1160 max_ofdm->early_overrun_err);
1161 pos += scnprintf(buf + pos, bufsz - pos,
1162 fmt_table, "crc32_good:",
1163 le32_to_cpu(ofdm->crc32_good),
1164 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1165 max_ofdm->crc32_good);
1166 pos += scnprintf(buf + pos, bufsz - pos,
1167 fmt_table, "false_alarm_cnt:",
1168 le32_to_cpu(ofdm->false_alarm_cnt),
1169 accum_ofdm->false_alarm_cnt,
1170 delta_ofdm->false_alarm_cnt,
1171 max_ofdm->false_alarm_cnt);
1172 pos += scnprintf(buf + pos, bufsz - pos,
1173 fmt_table, "fina_sync_err_cnt:",
1174 le32_to_cpu(ofdm->fina_sync_err_cnt),
1175 accum_ofdm->fina_sync_err_cnt,
1176 delta_ofdm->fina_sync_err_cnt,
1177 max_ofdm->fina_sync_err_cnt);
1178 pos += scnprintf(buf + pos, bufsz - pos,
1179 fmt_table, "sfd_timeout:",
1180 le32_to_cpu(ofdm->sfd_timeout),
1181 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1182 max_ofdm->sfd_timeout);
1183 pos += scnprintf(buf + pos, bufsz - pos,
1184 fmt_table, "fina_timeout:",
1185 le32_to_cpu(ofdm->fina_timeout),
1186 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1187 max_ofdm->fina_timeout);
1188 pos += scnprintf(buf + pos, bufsz - pos,
1189 fmt_table, "unresponded_rts:",
1190 le32_to_cpu(ofdm->unresponded_rts),
1191 accum_ofdm->unresponded_rts,
1192 delta_ofdm->unresponded_rts,
1193 max_ofdm->unresponded_rts);
1194 pos += scnprintf(buf + pos, bufsz - pos,
1195 fmt_table, "rxe_frame_lmt_ovrun:",
1196 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1197 accum_ofdm->rxe_frame_limit_overrun,
1198 delta_ofdm->rxe_frame_limit_overrun,
1199 max_ofdm->rxe_frame_limit_overrun);
1200 pos += scnprintf(buf + pos, bufsz - pos,
1201 fmt_table, "sent_ack_cnt:",
1202 le32_to_cpu(ofdm->sent_ack_cnt),
1203 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1204 max_ofdm->sent_ack_cnt);
1205 pos += scnprintf(buf + pos, bufsz - pos,
1206 fmt_table, "sent_cts_cnt:",
1207 le32_to_cpu(ofdm->sent_cts_cnt),
1208 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1209 max_ofdm->sent_cts_cnt);
1210 pos += scnprintf(buf + pos, bufsz - pos,
1211 fmt_table, "sent_ba_rsp_cnt:",
1212 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1213 accum_ofdm->sent_ba_rsp_cnt,
1214 delta_ofdm->sent_ba_rsp_cnt,
1215 max_ofdm->sent_ba_rsp_cnt);
1216 pos += scnprintf(buf + pos, bufsz - pos,
1217 fmt_table, "dsp_self_kill:",
1218 le32_to_cpu(ofdm->dsp_self_kill),
1219 accum_ofdm->dsp_self_kill,
1220 delta_ofdm->dsp_self_kill,
1221 max_ofdm->dsp_self_kill);
1222 pos += scnprintf(buf + pos, bufsz - pos,
1223 fmt_table, "mh_format_err:",
1224 le32_to_cpu(ofdm->mh_format_err),
1225 accum_ofdm->mh_format_err,
1226 delta_ofdm->mh_format_err,
1227 max_ofdm->mh_format_err);
1228 pos += scnprintf(buf + pos, bufsz - pos,
1229 fmt_table, "re_acq_main_rssi_sum:",
1230 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1231 accum_ofdm->re_acq_main_rssi_sum,
1232 delta_ofdm->re_acq_main_rssi_sum,
1233 max_ofdm->re_acq_main_rssi_sum);
1234
1235 pos += scnprintf(buf + pos, bufsz - pos,
1236 fmt_header, "Statistics_Rx - CCK:");
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 fmt_table, "ina_cnt:",
1239 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1240 delta_cck->ina_cnt, max_cck->ina_cnt);
1241 pos += scnprintf(buf + pos, bufsz - pos,
1242 fmt_table, "fina_cnt:",
1243 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1244 delta_cck->fina_cnt, max_cck->fina_cnt);
1245 pos += scnprintf(buf + pos, bufsz - pos,
1246 fmt_table, "plcp_err:",
1247 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1248 delta_cck->plcp_err, max_cck->plcp_err);
1249 pos += scnprintf(buf + pos, bufsz - pos,
1250 fmt_table, "crc32_err:",
1251 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1252 delta_cck->crc32_err, max_cck->crc32_err);
1253 pos += scnprintf(buf + pos, bufsz - pos,
1254 fmt_table, "overrun_err:",
1255 le32_to_cpu(cck->overrun_err),
1256 accum_cck->overrun_err, delta_cck->overrun_err,
1257 max_cck->overrun_err);
1258 pos += scnprintf(buf + pos, bufsz - pos,
1259 fmt_table, "early_overrun_err:",
1260 le32_to_cpu(cck->early_overrun_err),
1261 accum_cck->early_overrun_err,
1262 delta_cck->early_overrun_err,
1263 max_cck->early_overrun_err);
1264 pos += scnprintf(buf + pos, bufsz - pos,
1265 fmt_table, "crc32_good:",
1266 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1267 delta_cck->crc32_good, max_cck->crc32_good);
1268 pos += scnprintf(buf + pos, bufsz - pos,
1269 fmt_table, "false_alarm_cnt:",
1270 le32_to_cpu(cck->false_alarm_cnt),
1271 accum_cck->false_alarm_cnt,
1272 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1273 pos += scnprintf(buf + pos, bufsz - pos,
1274 fmt_table, "fina_sync_err_cnt:",
1275 le32_to_cpu(cck->fina_sync_err_cnt),
1276 accum_cck->fina_sync_err_cnt,
1277 delta_cck->fina_sync_err_cnt,
1278 max_cck->fina_sync_err_cnt);
1279 pos += scnprintf(buf + pos, bufsz - pos,
1280 fmt_table, "sfd_timeout:",
1281 le32_to_cpu(cck->sfd_timeout),
1282 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1283 max_cck->sfd_timeout);
1284 pos += scnprintf(buf + pos, bufsz - pos,
1285 fmt_table, "fina_timeout:",
1286 le32_to_cpu(cck->fina_timeout),
1287 accum_cck->fina_timeout, delta_cck->fina_timeout,
1288 max_cck->fina_timeout);
1289 pos += scnprintf(buf + pos, bufsz - pos,
1290 fmt_table, "unresponded_rts:",
1291 le32_to_cpu(cck->unresponded_rts),
1292 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1293 max_cck->unresponded_rts);
1294 pos += scnprintf(buf + pos, bufsz - pos,
1295 fmt_table, "rxe_frame_lmt_ovrun:",
1296 le32_to_cpu(cck->rxe_frame_limit_overrun),
1297 accum_cck->rxe_frame_limit_overrun,
1298 delta_cck->rxe_frame_limit_overrun,
1299 max_cck->rxe_frame_limit_overrun);
1300 pos += scnprintf(buf + pos, bufsz - pos,
1301 fmt_table, "sent_ack_cnt:",
1302 le32_to_cpu(cck->sent_ack_cnt),
1303 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1304 max_cck->sent_ack_cnt);
1305 pos += scnprintf(buf + pos, bufsz - pos,
1306 fmt_table, "sent_cts_cnt:",
1307 le32_to_cpu(cck->sent_cts_cnt),
1308 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1309 max_cck->sent_cts_cnt);
1310 pos += scnprintf(buf + pos, bufsz - pos,
1311 fmt_table, "sent_ba_rsp_cnt:",
1312 le32_to_cpu(cck->sent_ba_rsp_cnt),
1313 accum_cck->sent_ba_rsp_cnt,
1314 delta_cck->sent_ba_rsp_cnt,
1315 max_cck->sent_ba_rsp_cnt);
1316 pos += scnprintf(buf + pos, bufsz - pos,
1317 fmt_table, "dsp_self_kill:",
1318 le32_to_cpu(cck->dsp_self_kill),
1319 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1320 max_cck->dsp_self_kill);
1321 pos += scnprintf(buf + pos, bufsz - pos,
1322 fmt_table, "mh_format_err:",
1323 le32_to_cpu(cck->mh_format_err),
1324 accum_cck->mh_format_err, delta_cck->mh_format_err,
1325 max_cck->mh_format_err);
1326 pos += scnprintf(buf + pos, bufsz - pos,
1327 fmt_table, "re_acq_main_rssi_sum:",
1328 le32_to_cpu(cck->re_acq_main_rssi_sum),
1329 accum_cck->re_acq_main_rssi_sum,
1330 delta_cck->re_acq_main_rssi_sum,
1331 max_cck->re_acq_main_rssi_sum);
1332
1333 pos += scnprintf(buf + pos, bufsz - pos,
1334 fmt_header, "Statistics_Rx - GENERAL:");
1335 pos += scnprintf(buf + pos, bufsz - pos,
1336 fmt_table, "bogus_cts:",
1337 le32_to_cpu(general->bogus_cts),
1338 accum_general->bogus_cts, delta_general->bogus_cts,
1339 max_general->bogus_cts);
1340 pos += scnprintf(buf + pos, bufsz - pos,
1341 fmt_table, "bogus_ack:",
1342 le32_to_cpu(general->bogus_ack),
1343 accum_general->bogus_ack, delta_general->bogus_ack,
1344 max_general->bogus_ack);
1345 pos += scnprintf(buf + pos, bufsz - pos,
1346 fmt_table, "non_bssid_frames:",
1347 le32_to_cpu(general->non_bssid_frames),
1348 accum_general->non_bssid_frames,
1349 delta_general->non_bssid_frames,
1350 max_general->non_bssid_frames);
1351 pos += scnprintf(buf + pos, bufsz - pos,
1352 fmt_table, "filtered_frames:",
1353 le32_to_cpu(general->filtered_frames),
1354 accum_general->filtered_frames,
1355 delta_general->filtered_frames,
1356 max_general->filtered_frames);
1357 pos += scnprintf(buf + pos, bufsz - pos,
1358 fmt_table, "non_channel_beacons:",
1359 le32_to_cpu(general->non_channel_beacons),
1360 accum_general->non_channel_beacons,
1361 delta_general->non_channel_beacons,
1362 max_general->non_channel_beacons);
1363 pos += scnprintf(buf + pos, bufsz - pos,
1364 fmt_table, "channel_beacons:",
1365 le32_to_cpu(general->channel_beacons),
1366 accum_general->channel_beacons,
1367 delta_general->channel_beacons,
1368 max_general->channel_beacons);
1369 pos += scnprintf(buf + pos, bufsz - pos,
1370 fmt_table, "num_missed_bcon:",
1371 le32_to_cpu(general->num_missed_bcon),
1372 accum_general->num_missed_bcon,
1373 delta_general->num_missed_bcon,
1374 max_general->num_missed_bcon);
1375 pos += scnprintf(buf + pos, bufsz - pos,
1376 fmt_table, "adc_rx_saturation_time:",
1377 le32_to_cpu(general->adc_rx_saturation_time),
1378 accum_general->adc_rx_saturation_time,
1379 delta_general->adc_rx_saturation_time,
1380 max_general->adc_rx_saturation_time);
1381 pos += scnprintf(buf + pos, bufsz - pos,
1382 fmt_table, "ina_detect_search_tm:",
1383 le32_to_cpu(general->ina_detection_search_time),
1384 accum_general->ina_detection_search_time,
1385 delta_general->ina_detection_search_time,
1386 max_general->ina_detection_search_time);
1387 pos += scnprintf(buf + pos, bufsz - pos,
1388 fmt_table, "beacon_silence_rssi_a:",
1389 le32_to_cpu(general->beacon_silence_rssi_a),
1390 accum_general->beacon_silence_rssi_a,
1391 delta_general->beacon_silence_rssi_a,
1392 max_general->beacon_silence_rssi_a);
1393 pos += scnprintf(buf + pos, bufsz - pos,
1394 fmt_table, "beacon_silence_rssi_b:",
1395 le32_to_cpu(general->beacon_silence_rssi_b),
1396 accum_general->beacon_silence_rssi_b,
1397 delta_general->beacon_silence_rssi_b,
1398 max_general->beacon_silence_rssi_b);
1399 pos += scnprintf(buf + pos, bufsz - pos,
1400 fmt_table, "beacon_silence_rssi_c:",
1401 le32_to_cpu(general->beacon_silence_rssi_c),
1402 accum_general->beacon_silence_rssi_c,
1403 delta_general->beacon_silence_rssi_c,
1404 max_general->beacon_silence_rssi_c);
1405 pos += scnprintf(buf + pos, bufsz - pos,
1406 fmt_table, "interference_data_flag:",
1407 le32_to_cpu(general->interference_data_flag),
1408 accum_general->interference_data_flag,
1409 delta_general->interference_data_flag,
1410 max_general->interference_data_flag);
1411 pos += scnprintf(buf + pos, bufsz - pos,
1412 fmt_table, "channel_load:",
1413 le32_to_cpu(general->channel_load),
1414 accum_general->channel_load,
1415 delta_general->channel_load,
1416 max_general->channel_load);
1417 pos += scnprintf(buf + pos, bufsz - pos,
1418 fmt_table, "dsp_false_alarms:",
1419 le32_to_cpu(general->dsp_false_alarms),
1420 accum_general->dsp_false_alarms,
1421 delta_general->dsp_false_alarms,
1422 max_general->dsp_false_alarms);
1423 pos += scnprintf(buf + pos, bufsz - pos,
1424 fmt_table, "beacon_rssi_a:",
1425 le32_to_cpu(general->beacon_rssi_a),
1426 accum_general->beacon_rssi_a,
1427 delta_general->beacon_rssi_a,
1428 max_general->beacon_rssi_a);
1429 pos += scnprintf(buf + pos, bufsz - pos,
1430 fmt_table, "beacon_rssi_b:",
1431 le32_to_cpu(general->beacon_rssi_b),
1432 accum_general->beacon_rssi_b,
1433 delta_general->beacon_rssi_b,
1434 max_general->beacon_rssi_b);
1435 pos += scnprintf(buf + pos, bufsz - pos,
1436 fmt_table, "beacon_rssi_c:",
1437 le32_to_cpu(general->beacon_rssi_c),
1438 accum_general->beacon_rssi_c,
1439 delta_general->beacon_rssi_c,
1440 max_general->beacon_rssi_c);
1441 pos += scnprintf(buf + pos, bufsz - pos,
1442 fmt_table, "beacon_energy_a:",
1443 le32_to_cpu(general->beacon_energy_a),
1444 accum_general->beacon_energy_a,
1445 delta_general->beacon_energy_a,
1446 max_general->beacon_energy_a);
1447 pos += scnprintf(buf + pos, bufsz - pos,
1448 fmt_table, "beacon_energy_b:",
1449 le32_to_cpu(general->beacon_energy_b),
1450 accum_general->beacon_energy_b,
1451 delta_general->beacon_energy_b,
1452 max_general->beacon_energy_b);
1453 pos += scnprintf(buf + pos, bufsz - pos,
1454 fmt_table, "beacon_energy_c:",
1455 le32_to_cpu(general->beacon_energy_c),
1456 accum_general->beacon_energy_c,
1457 delta_general->beacon_energy_c,
1458 max_general->beacon_energy_c);
1459
1460 pos += scnprintf(buf + pos, bufsz - pos,
1461 fmt_header, "Statistics_Rx - OFDM_HT:");
1462 pos += scnprintf(buf + pos, bufsz - pos,
1463 fmt_table, "plcp_err:",
1464 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1465 delta_ht->plcp_err, max_ht->plcp_err);
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 fmt_table, "overrun_err:",
1468 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1469 delta_ht->overrun_err, max_ht->overrun_err);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 fmt_table, "early_overrun_err:",
1472 le32_to_cpu(ht->early_overrun_err),
1473 accum_ht->early_overrun_err,
1474 delta_ht->early_overrun_err,
1475 max_ht->early_overrun_err);
1476 pos += scnprintf(buf + pos, bufsz - pos,
1477 fmt_table, "crc32_good:",
1478 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1479 delta_ht->crc32_good, max_ht->crc32_good);
1480 pos += scnprintf(buf + pos, bufsz - pos,
1481 fmt_table, "crc32_err:",
1482 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1483 delta_ht->crc32_err, max_ht->crc32_err);
1484 pos += scnprintf(buf + pos, bufsz - pos,
1485 fmt_table, "mh_format_err:",
1486 le32_to_cpu(ht->mh_format_err),
1487 accum_ht->mh_format_err,
1488 delta_ht->mh_format_err, max_ht->mh_format_err);
1489 pos += scnprintf(buf + pos, bufsz - pos,
1490 fmt_table, "agg_crc32_good:",
1491 le32_to_cpu(ht->agg_crc32_good),
1492 accum_ht->agg_crc32_good,
1493 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1494 pos += scnprintf(buf + pos, bufsz - pos,
1495 fmt_table, "agg_mpdu_cnt:",
1496 le32_to_cpu(ht->agg_mpdu_cnt),
1497 accum_ht->agg_mpdu_cnt,
1498 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1499 pos += scnprintf(buf + pos, bufsz - pos,
1500 fmt_table, "agg_cnt:",
1501 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1502 delta_ht->agg_cnt, max_ht->agg_cnt);
1503 pos += scnprintf(buf + pos, bufsz - pos,
1504 fmt_table, "unsupport_mcs:",
1505 le32_to_cpu(ht->unsupport_mcs),
1506 accum_ht->unsupport_mcs,
1507 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1508
1509 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1510 kfree(buf);
1511 return ret;
1512 }
1513
1514 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1515 char __user *user_buf,
1516 size_t count, loff_t *ppos)
1517 {
1518 struct iwl_priv *priv = file->private_data;
1519 int pos = 0;
1520 char *buf;
1521 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1522 ssize_t ret;
1523 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1524
1525 if (!iwl_is_alive(priv))
1526 return -EAGAIN;
1527
1528 buf = kzalloc(bufsz, GFP_KERNEL);
1529 if (!buf) {
1530 IWL_ERR(priv, "Can not allocate Buffer\n");
1531 return -ENOMEM;
1532 }
1533
1534 /* the statistic information display here is based on
1535 * the last statistics notification from uCode
1536 * might not reflect the current uCode activity
1537 */
1538 tx = &priv->statistics.tx;
1539 accum_tx = &priv->accum_stats.tx;
1540 delta_tx = &priv->delta_stats.tx;
1541 max_tx = &priv->max_delta_stats.tx;
1542
1543 pos += iwl_statistics_flag(priv, buf, bufsz);
1544 pos += scnprintf(buf + pos, bufsz - pos,
1545 fmt_header, "Statistics_Tx:");
1546 pos += scnprintf(buf + pos, bufsz - pos,
1547 fmt_table, "preamble:",
1548 le32_to_cpu(tx->preamble_cnt),
1549 accum_tx->preamble_cnt,
1550 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1551 pos += scnprintf(buf + pos, bufsz - pos,
1552 fmt_table, "rx_detected_cnt:",
1553 le32_to_cpu(tx->rx_detected_cnt),
1554 accum_tx->rx_detected_cnt,
1555 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1556 pos += scnprintf(buf + pos, bufsz - pos,
1557 fmt_table, "bt_prio_defer_cnt:",
1558 le32_to_cpu(tx->bt_prio_defer_cnt),
1559 accum_tx->bt_prio_defer_cnt,
1560 delta_tx->bt_prio_defer_cnt,
1561 max_tx->bt_prio_defer_cnt);
1562 pos += scnprintf(buf + pos, bufsz - pos,
1563 fmt_table, "bt_prio_kill_cnt:",
1564 le32_to_cpu(tx->bt_prio_kill_cnt),
1565 accum_tx->bt_prio_kill_cnt,
1566 delta_tx->bt_prio_kill_cnt,
1567 max_tx->bt_prio_kill_cnt);
1568 pos += scnprintf(buf + pos, bufsz - pos,
1569 fmt_table, "few_bytes_cnt:",
1570 le32_to_cpu(tx->few_bytes_cnt),
1571 accum_tx->few_bytes_cnt,
1572 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1573 pos += scnprintf(buf + pos, bufsz - pos,
1574 fmt_table, "cts_timeout:",
1575 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1576 delta_tx->cts_timeout, max_tx->cts_timeout);
1577 pos += scnprintf(buf + pos, bufsz - pos,
1578 fmt_table, "ack_timeout:",
1579 le32_to_cpu(tx->ack_timeout),
1580 accum_tx->ack_timeout,
1581 delta_tx->ack_timeout, max_tx->ack_timeout);
1582 pos += scnprintf(buf + pos, bufsz - pos,
1583 fmt_table, "expected_ack_cnt:",
1584 le32_to_cpu(tx->expected_ack_cnt),
1585 accum_tx->expected_ack_cnt,
1586 delta_tx->expected_ack_cnt,
1587 max_tx->expected_ack_cnt);
1588 pos += scnprintf(buf + pos, bufsz - pos,
1589 fmt_table, "actual_ack_cnt:",
1590 le32_to_cpu(tx->actual_ack_cnt),
1591 accum_tx->actual_ack_cnt,
1592 delta_tx->actual_ack_cnt,
1593 max_tx->actual_ack_cnt);
1594 pos += scnprintf(buf + pos, bufsz - pos,
1595 fmt_table, "dump_msdu_cnt:",
1596 le32_to_cpu(tx->dump_msdu_cnt),
1597 accum_tx->dump_msdu_cnt,
1598 delta_tx->dump_msdu_cnt,
1599 max_tx->dump_msdu_cnt);
1600 pos += scnprintf(buf + pos, bufsz - pos,
1601 fmt_table, "abort_nxt_frame_mismatch:",
1602 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1603 accum_tx->burst_abort_next_frame_mismatch_cnt,
1604 delta_tx->burst_abort_next_frame_mismatch_cnt,
1605 max_tx->burst_abort_next_frame_mismatch_cnt);
1606 pos += scnprintf(buf + pos, bufsz - pos,
1607 fmt_table, "abort_missing_nxt_frame:",
1608 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1609 accum_tx->burst_abort_missing_next_frame_cnt,
1610 delta_tx->burst_abort_missing_next_frame_cnt,
1611 max_tx->burst_abort_missing_next_frame_cnt);
1612 pos += scnprintf(buf + pos, bufsz - pos,
1613 fmt_table, "cts_timeout_collision:",
1614 le32_to_cpu(tx->cts_timeout_collision),
1615 accum_tx->cts_timeout_collision,
1616 delta_tx->cts_timeout_collision,
1617 max_tx->cts_timeout_collision);
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 fmt_table, "ack_ba_timeout_collision:",
1620 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1621 accum_tx->ack_or_ba_timeout_collision,
1622 delta_tx->ack_or_ba_timeout_collision,
1623 max_tx->ack_or_ba_timeout_collision);
1624 pos += scnprintf(buf + pos, bufsz - pos,
1625 fmt_table, "agg ba_timeout:",
1626 le32_to_cpu(tx->agg.ba_timeout),
1627 accum_tx->agg.ba_timeout,
1628 delta_tx->agg.ba_timeout,
1629 max_tx->agg.ba_timeout);
1630 pos += scnprintf(buf + pos, bufsz - pos,
1631 fmt_table, "agg ba_resched_frames:",
1632 le32_to_cpu(tx->agg.ba_reschedule_frames),
1633 accum_tx->agg.ba_reschedule_frames,
1634 delta_tx->agg.ba_reschedule_frames,
1635 max_tx->agg.ba_reschedule_frames);
1636 pos += scnprintf(buf + pos, bufsz - pos,
1637 fmt_table, "agg scd_query_agg_frame:",
1638 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1639 accum_tx->agg.scd_query_agg_frame_cnt,
1640 delta_tx->agg.scd_query_agg_frame_cnt,
1641 max_tx->agg.scd_query_agg_frame_cnt);
1642 pos += scnprintf(buf + pos, bufsz - pos,
1643 fmt_table, "agg scd_query_no_agg:",
1644 le32_to_cpu(tx->agg.scd_query_no_agg),
1645 accum_tx->agg.scd_query_no_agg,
1646 delta_tx->agg.scd_query_no_agg,
1647 max_tx->agg.scd_query_no_agg);
1648 pos += scnprintf(buf + pos, bufsz - pos,
1649 fmt_table, "agg scd_query_agg:",
1650 le32_to_cpu(tx->agg.scd_query_agg),
1651 accum_tx->agg.scd_query_agg,
1652 delta_tx->agg.scd_query_agg,
1653 max_tx->agg.scd_query_agg);
1654 pos += scnprintf(buf + pos, bufsz - pos,
1655 fmt_table, "agg scd_query_mismatch:",
1656 le32_to_cpu(tx->agg.scd_query_mismatch),
1657 accum_tx->agg.scd_query_mismatch,
1658 delta_tx->agg.scd_query_mismatch,
1659 max_tx->agg.scd_query_mismatch);
1660 pos += scnprintf(buf + pos, bufsz - pos,
1661 fmt_table, "agg frame_not_ready:",
1662 le32_to_cpu(tx->agg.frame_not_ready),
1663 accum_tx->agg.frame_not_ready,
1664 delta_tx->agg.frame_not_ready,
1665 max_tx->agg.frame_not_ready);
1666 pos += scnprintf(buf + pos, bufsz - pos,
1667 fmt_table, "agg underrun:",
1668 le32_to_cpu(tx->agg.underrun),
1669 accum_tx->agg.underrun,
1670 delta_tx->agg.underrun, max_tx->agg.underrun);
1671 pos += scnprintf(buf + pos, bufsz - pos,
1672 fmt_table, "agg bt_prio_kill:",
1673 le32_to_cpu(tx->agg.bt_prio_kill),
1674 accum_tx->agg.bt_prio_kill,
1675 delta_tx->agg.bt_prio_kill,
1676 max_tx->agg.bt_prio_kill);
1677 pos += scnprintf(buf + pos, bufsz - pos,
1678 fmt_table, "agg rx_ba_rsp_cnt:",
1679 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1680 accum_tx->agg.rx_ba_rsp_cnt,
1681 delta_tx->agg.rx_ba_rsp_cnt,
1682 max_tx->agg.rx_ba_rsp_cnt);
1683
1684 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1685 pos += scnprintf(buf + pos, bufsz - pos,
1686 "tx power: (1/2 dB step)\n");
1687 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1688 pos += scnprintf(buf + pos, bufsz - pos,
1689 fmt_hex, "antenna A:",
1690 tx->tx_power.ant_a);
1691 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1692 pos += scnprintf(buf + pos, bufsz - pos,
1693 fmt_hex, "antenna B:",
1694 tx->tx_power.ant_b);
1695 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1696 pos += scnprintf(buf + pos, bufsz - pos,
1697 fmt_hex, "antenna C:",
1698 tx->tx_power.ant_c);
1699 }
1700 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1701 kfree(buf);
1702 return ret;
1703 }
1704
1705 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1706 char __user *user_buf,
1707 size_t count, loff_t *ppos)
1708 {
1709 struct iwl_priv *priv = file->private_data;
1710 int pos = 0;
1711 char *buf;
1712 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1713 ssize_t ret;
1714 struct statistics_general_common *general, *accum_general;
1715 struct statistics_general_common *delta_general, *max_general;
1716 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1717 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1718
1719 if (!iwl_is_alive(priv))
1720 return -EAGAIN;
1721
1722 buf = kzalloc(bufsz, GFP_KERNEL);
1723 if (!buf) {
1724 IWL_ERR(priv, "Can not allocate Buffer\n");
1725 return -ENOMEM;
1726 }
1727
1728 /* the statistic information display here is based on
1729 * the last statistics notification from uCode
1730 * might not reflect the current uCode activity
1731 */
1732 general = &priv->statistics.common;
1733 dbg = &priv->statistics.common.dbg;
1734 div = &priv->statistics.common.div;
1735 accum_general = &priv->accum_stats.common;
1736 accum_dbg = &priv->accum_stats.common.dbg;
1737 accum_div = &priv->accum_stats.common.div;
1738 delta_general = &priv->delta_stats.common;
1739 max_general = &priv->max_delta_stats.common;
1740 delta_dbg = &priv->delta_stats.common.dbg;
1741 max_dbg = &priv->max_delta_stats.common.dbg;
1742 delta_div = &priv->delta_stats.common.div;
1743 max_div = &priv->max_delta_stats.common.div;
1744
1745 pos += iwl_statistics_flag(priv, buf, bufsz);
1746 pos += scnprintf(buf + pos, bufsz - pos,
1747 fmt_header, "Statistics_General:");
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 fmt_value, "temperature:",
1750 le32_to_cpu(general->temperature));
1751 pos += scnprintf(buf + pos, bufsz - pos,
1752 fmt_value, "temperature_m:",
1753 le32_to_cpu(general->temperature_m));
1754 pos += scnprintf(buf + pos, bufsz - pos,
1755 fmt_value, "ttl_timestamp:",
1756 le32_to_cpu(general->ttl_timestamp));
1757 pos += scnprintf(buf + pos, bufsz - pos,
1758 fmt_table, "burst_check:",
1759 le32_to_cpu(dbg->burst_check),
1760 accum_dbg->burst_check,
1761 delta_dbg->burst_check, max_dbg->burst_check);
1762 pos += scnprintf(buf + pos, bufsz - pos,
1763 fmt_table, "burst_count:",
1764 le32_to_cpu(dbg->burst_count),
1765 accum_dbg->burst_count,
1766 delta_dbg->burst_count, max_dbg->burst_count);
1767 pos += scnprintf(buf + pos, bufsz - pos,
1768 fmt_table, "wait_for_silence_timeout_count:",
1769 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1770 accum_dbg->wait_for_silence_timeout_cnt,
1771 delta_dbg->wait_for_silence_timeout_cnt,
1772 max_dbg->wait_for_silence_timeout_cnt);
1773 pos += scnprintf(buf + pos, bufsz - pos,
1774 fmt_table, "sleep_time:",
1775 le32_to_cpu(general->sleep_time),
1776 accum_general->sleep_time,
1777 delta_general->sleep_time, max_general->sleep_time);
1778 pos += scnprintf(buf + pos, bufsz - pos,
1779 fmt_table, "slots_out:",
1780 le32_to_cpu(general->slots_out),
1781 accum_general->slots_out,
1782 delta_general->slots_out, max_general->slots_out);
1783 pos += scnprintf(buf + pos, bufsz - pos,
1784 fmt_table, "slots_idle:",
1785 le32_to_cpu(general->slots_idle),
1786 accum_general->slots_idle,
1787 delta_general->slots_idle, max_general->slots_idle);
1788 pos += scnprintf(buf + pos, bufsz - pos,
1789 fmt_table, "tx_on_a:",
1790 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1791 delta_div->tx_on_a, max_div->tx_on_a);
1792 pos += scnprintf(buf + pos, bufsz - pos,
1793 fmt_table, "tx_on_b:",
1794 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1795 delta_div->tx_on_b, max_div->tx_on_b);
1796 pos += scnprintf(buf + pos, bufsz - pos,
1797 fmt_table, "exec_time:",
1798 le32_to_cpu(div->exec_time), accum_div->exec_time,
1799 delta_div->exec_time, max_div->exec_time);
1800 pos += scnprintf(buf + pos, bufsz - pos,
1801 fmt_table, "probe_time:",
1802 le32_to_cpu(div->probe_time), accum_div->probe_time,
1803 delta_div->probe_time, max_div->probe_time);
1804 pos += scnprintf(buf + pos, bufsz - pos,
1805 fmt_table, "rx_enable_counter:",
1806 le32_to_cpu(general->rx_enable_counter),
1807 accum_general->rx_enable_counter,
1808 delta_general->rx_enable_counter,
1809 max_general->rx_enable_counter);
1810 pos += scnprintf(buf + pos, bufsz - pos,
1811 fmt_table, "num_of_sos_states:",
1812 le32_to_cpu(general->num_of_sos_states),
1813 accum_general->num_of_sos_states,
1814 delta_general->num_of_sos_states,
1815 max_general->num_of_sos_states);
1816 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1817 kfree(buf);
1818 return ret;
1819 }
1820
1821 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1822 char __user *user_buf,
1823 size_t count, loff_t *ppos)
1824 {
1825 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1826 int pos = 0;
1827 char *buf;
1828 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1829 ssize_t ret;
1830 struct statistics_bt_activity *bt, *accum_bt;
1831
1832 if (!iwl_is_alive(priv))
1833 return -EAGAIN;
1834
1835 if (!priv->bt_enable_flag)
1836 return -EINVAL;
1837
1838 /* make request to uCode to retrieve statistics information */
1839 mutex_lock(&priv->mutex);
1840 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1841 mutex_unlock(&priv->mutex);
1842
1843 if (ret) {
1844 IWL_ERR(priv,
1845 "Error sending statistics request: %zd\n", ret);
1846 return -EAGAIN;
1847 }
1848 buf = kzalloc(bufsz, GFP_KERNEL);
1849 if (!buf) {
1850 IWL_ERR(priv, "Can not allocate Buffer\n");
1851 return -ENOMEM;
1852 }
1853
1854 /*
1855 * the statistic information display here is based on
1856 * the last statistics notification from uCode
1857 * might not reflect the current uCode activity
1858 */
1859 bt = &priv->statistics.bt_activity;
1860 accum_bt = &priv->accum_stats.bt_activity;
1861
1862 pos += iwl_statistics_flag(priv, buf, bufsz);
1863 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1864 pos += scnprintf(buf + pos, bufsz - pos,
1865 "\t\t\tcurrent\t\t\taccumulative\n");
1866 pos += scnprintf(buf + pos, bufsz - pos,
1867 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1868 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1869 accum_bt->hi_priority_tx_req_cnt);
1870 pos += scnprintf(buf + pos, bufsz - pos,
1871 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1872 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1873 accum_bt->hi_priority_tx_denied_cnt);
1874 pos += scnprintf(buf + pos, bufsz - pos,
1875 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1876 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1877 accum_bt->lo_priority_tx_req_cnt);
1878 pos += scnprintf(buf + pos, bufsz - pos,
1879 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1880 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1881 accum_bt->lo_priority_tx_denied_cnt);
1882 pos += scnprintf(buf + pos, bufsz - pos,
1883 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1884 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1885 accum_bt->hi_priority_rx_req_cnt);
1886 pos += scnprintf(buf + pos, bufsz - pos,
1887 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1888 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1889 accum_bt->hi_priority_rx_denied_cnt);
1890 pos += scnprintf(buf + pos, bufsz - pos,
1891 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1892 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1893 accum_bt->lo_priority_rx_req_cnt);
1894 pos += scnprintf(buf + pos, bufsz - pos,
1895 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1896 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1897 accum_bt->lo_priority_rx_denied_cnt);
1898
1899 pos += scnprintf(buf + pos, bufsz - pos,
1900 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1901 le32_to_cpu(priv->statistics.num_bt_kills),
1902 priv->statistics.accum_num_bt_kills);
1903
1904 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1905 kfree(buf);
1906 return ret;
1907 }
1908
1909 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1910 char __user *user_buf,
1911 size_t count, loff_t *ppos)
1912 {
1913 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1914 int pos = 0;
1915 char *buf;
1916 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1917 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1918 ssize_t ret;
1919
1920 if (!iwl_is_alive(priv))
1921 return -EAGAIN;
1922
1923 buf = kzalloc(bufsz, GFP_KERNEL);
1924 if (!buf) {
1925 IWL_ERR(priv, "Can not allocate Buffer\n");
1926 return -ENOMEM;
1927 }
1928
1929 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1930 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1931 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1932 priv->reply_tx_stats.pp_delay);
1933 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1934 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1935 priv->reply_tx_stats.pp_few_bytes);
1936 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1937 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1938 priv->reply_tx_stats.pp_bt_prio);
1939 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1940 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1941 priv->reply_tx_stats.pp_quiet_period);
1942 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1943 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1944 priv->reply_tx_stats.pp_calc_ttak);
1945 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1946 iwl_get_tx_fail_reason(
1947 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1948 priv->reply_tx_stats.int_crossed_retry);
1949 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1950 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1951 priv->reply_tx_stats.short_limit);
1952 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1953 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1954 priv->reply_tx_stats.long_limit);
1955 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1956 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1957 priv->reply_tx_stats.fifo_underrun);
1958 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1959 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1960 priv->reply_tx_stats.drain_flow);
1961 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1962 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1963 priv->reply_tx_stats.rfkill_flush);
1964 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1965 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1966 priv->reply_tx_stats.life_expire);
1967 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1968 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1969 priv->reply_tx_stats.dest_ps);
1970 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1971 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1972 priv->reply_tx_stats.host_abort);
1973 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1974 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1975 priv->reply_tx_stats.pp_delay);
1976 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1977 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1978 priv->reply_tx_stats.sta_invalid);
1979 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1980 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1981 priv->reply_tx_stats.frag_drop);
1982 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1983 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1984 priv->reply_tx_stats.tid_disable);
1985 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1986 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1987 priv->reply_tx_stats.fifo_flush);
1988 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1989 iwl_get_tx_fail_reason(
1990 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1991 priv->reply_tx_stats.insuff_cf_poll);
1992 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1993 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1994 priv->reply_tx_stats.fail_hw_drop);
1995 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1996 iwl_get_tx_fail_reason(
1997 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1998 priv->reply_tx_stats.sta_color_mismatch);
1999 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
2000 priv->reply_tx_stats.unknown);
2001
2002 pos += scnprintf(buf + pos, bufsz - pos,
2003 "\nStatistics_Agg_TX_Error:\n");
2004
2005 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2006 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
2007 priv->reply_agg_tx_stats.underrun);
2008 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2009 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
2010 priv->reply_agg_tx_stats.bt_prio);
2011 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2012 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
2013 priv->reply_agg_tx_stats.few_bytes);
2014 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2015 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
2016 priv->reply_agg_tx_stats.abort);
2017 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2018 iwl_get_agg_tx_fail_reason(
2019 AGG_TX_STATE_LAST_SENT_TTL_MSK),
2020 priv->reply_agg_tx_stats.last_sent_ttl);
2021 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2022 iwl_get_agg_tx_fail_reason(
2023 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
2024 priv->reply_agg_tx_stats.last_sent_try);
2025 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2026 iwl_get_agg_tx_fail_reason(
2027 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
2028 priv->reply_agg_tx_stats.last_sent_bt_kill);
2029 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2030 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
2031 priv->reply_agg_tx_stats.scd_query);
2032 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
2033 iwl_get_agg_tx_fail_reason(
2034 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
2035 priv->reply_agg_tx_stats.bad_crc32);
2036 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2037 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
2038 priv->reply_agg_tx_stats.response);
2039 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2040 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
2041 priv->reply_agg_tx_stats.dump_tx);
2042 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
2043 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
2044 priv->reply_agg_tx_stats.delay_tx);
2045 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
2046 priv->reply_agg_tx_stats.unknown);
2047
2048 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2049 kfree(buf);
2050 return ret;
2051 }
2052
2053 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
2054 char __user *user_buf,
2055 size_t count, loff_t *ppos) {
2056
2057 struct iwl_priv *priv = file->private_data;
2058 int pos = 0;
2059 int cnt = 0;
2060 char *buf;
2061 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
2062 ssize_t ret;
2063 struct iwl_sensitivity_data *data;
2064
2065 data = &priv->sensitivity_data;
2066 buf = kzalloc(bufsz, GFP_KERNEL);
2067 if (!buf) {
2068 IWL_ERR(priv, "Can not allocate Buffer\n");
2069 return -ENOMEM;
2070 }
2071
2072 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
2073 data->auto_corr_ofdm);
2074 pos += scnprintf(buf + pos, bufsz - pos,
2075 "auto_corr_ofdm_mrc:\t\t %u\n",
2076 data->auto_corr_ofdm_mrc);
2077 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
2078 data->auto_corr_ofdm_x1);
2079 pos += scnprintf(buf + pos, bufsz - pos,
2080 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
2081 data->auto_corr_ofdm_mrc_x1);
2082 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
2083 data->auto_corr_cck);
2084 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
2085 data->auto_corr_cck_mrc);
2086 pos += scnprintf(buf + pos, bufsz - pos,
2087 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
2088 data->last_bad_plcp_cnt_ofdm);
2089 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
2090 data->last_fa_cnt_ofdm);
2091 pos += scnprintf(buf + pos, bufsz - pos,
2092 "last_bad_plcp_cnt_cck:\t\t %u\n",
2093 data->last_bad_plcp_cnt_cck);
2094 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
2095 data->last_fa_cnt_cck);
2096 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
2097 data->nrg_curr_state);
2098 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
2099 data->nrg_prev_state);
2100 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
2101 for (cnt = 0; cnt < 10; cnt++) {
2102 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2103 data->nrg_value[cnt]);
2104 }
2105 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2106 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
2107 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
2108 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2109 data->nrg_silence_rssi[cnt]);
2110 }
2111 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2112 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
2113 data->nrg_silence_ref);
2114 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
2115 data->nrg_energy_idx);
2116 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
2117 data->nrg_silence_idx);
2118 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
2119 data->nrg_th_cck);
2120 pos += scnprintf(buf + pos, bufsz - pos,
2121 "nrg_auto_corr_silence_diff:\t %u\n",
2122 data->nrg_auto_corr_silence_diff);
2123 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
2124 data->num_in_cck_no_fa);
2125 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2126 data->nrg_th_ofdm);
2127
2128 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2129 kfree(buf);
2130 return ret;
2131 }
2132
2133
2134 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2135 char __user *user_buf,
2136 size_t count, loff_t *ppos) {
2137
2138 struct iwl_priv *priv = file->private_data;
2139 int pos = 0;
2140 int cnt = 0;
2141 char *buf;
2142 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2143 ssize_t ret;
2144 struct iwl_chain_noise_data *data;
2145
2146 data = &priv->chain_noise_data;
2147 buf = kzalloc(bufsz, GFP_KERNEL);
2148 if (!buf) {
2149 IWL_ERR(priv, "Can not allocate Buffer\n");
2150 return -ENOMEM;
2151 }
2152
2153 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2154 data->active_chains);
2155 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2156 data->chain_noise_a);
2157 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2158 data->chain_noise_b);
2159 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2160 data->chain_noise_c);
2161 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2162 data->chain_signal_a);
2163 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2164 data->chain_signal_b);
2165 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2166 data->chain_signal_c);
2167 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2168 data->beacon_count);
2169
2170 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2171 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2172 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2173 data->disconn_array[cnt]);
2174 }
2175 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2176 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2177 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2178 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2179 data->delta_gain_code[cnt]);
2180 }
2181 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2182 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2183 data->radio_write);
2184 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2185 data->state);
2186
2187 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2188 kfree(buf);
2189 return ret;
2190 }
2191
2192 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2193 char __user *user_buf,
2194 size_t count, loff_t *ppos)
2195 {
2196 struct iwl_priv *priv = file->private_data;
2197 char buf[60];
2198 int pos = 0;
2199 const size_t bufsz = sizeof(buf);
2200 u32 pwrsave_status;
2201
2202 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
2203 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2204
2205 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2206 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2207 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2208 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2209 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2210 "error");
2211
2212 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2213 }
2214
2215 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2216 const char __user *user_buf,
2217 size_t count, loff_t *ppos)
2218 {
2219 struct iwl_priv *priv = file->private_data;
2220 char buf[8];
2221 int buf_size;
2222 int clear;
2223
2224 memset(buf, 0, sizeof(buf));
2225 buf_size = min(count, sizeof(buf) - 1);
2226 if (copy_from_user(buf, user_buf, buf_size))
2227 return -EFAULT;
2228 if (sscanf(buf, "%d", &clear) != 1)
2229 return -EFAULT;
2230
2231 /* make request to uCode to retrieve statistics information */
2232 mutex_lock(&priv->mutex);
2233 iwl_send_statistics_request(priv, CMD_SYNC, true);
2234 mutex_unlock(&priv->mutex);
2235
2236 return count;
2237 }
2238
2239 static ssize_t iwl_dbgfs_csr_write(struct file *file,
2240 const char __user *user_buf,
2241 size_t count, loff_t *ppos)
2242 {
2243 struct iwl_priv *priv = file->private_data;
2244 char buf[8];
2245 int buf_size;
2246 int csr;
2247
2248 memset(buf, 0, sizeof(buf));
2249 buf_size = min(count, sizeof(buf) - 1);
2250 if (copy_from_user(buf, user_buf, buf_size))
2251 return -EFAULT;
2252 if (sscanf(buf, "%d", &csr) != 1)
2253 return -EFAULT;
2254
2255 iwl_dump_csr(priv);
2256
2257 return count;
2258 }
2259
2260 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2261 char __user *user_buf,
2262 size_t count, loff_t *ppos) {
2263
2264 struct iwl_priv *priv = file->private_data;
2265 int pos = 0;
2266 char buf[128];
2267 const size_t bufsz = sizeof(buf);
2268
2269 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2270 priv->event_log.ucode_trace ? "On" : "Off");
2271 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2272 priv->event_log.non_wraps_count);
2273 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2274 priv->event_log.wraps_once_count);
2275 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2276 priv->event_log.wraps_more_count);
2277
2278 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2279 }
2280
2281 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2282 const char __user *user_buf,
2283 size_t count, loff_t *ppos)
2284 {
2285 struct iwl_priv *priv = file->private_data;
2286 char buf[8];
2287 int buf_size;
2288 int trace;
2289
2290 memset(buf, 0, sizeof(buf));
2291 buf_size = min(count, sizeof(buf) - 1);
2292 if (copy_from_user(buf, user_buf, buf_size))
2293 return -EFAULT;
2294 if (sscanf(buf, "%d", &trace) != 1)
2295 return -EFAULT;
2296
2297 if (trace) {
2298 priv->event_log.ucode_trace = true;
2299 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2300 mod_timer(&priv->ucode_trace,
2301 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2302 } else {
2303 priv->event_log.ucode_trace = false;
2304 del_timer_sync(&priv->ucode_trace);
2305 }
2306
2307 return count;
2308 }
2309
2310 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2311 char __user *user_buf,
2312 size_t count, loff_t *ppos) {
2313
2314 struct iwl_priv *priv = file->private_data;
2315 int len = 0;
2316 char buf[20];
2317
2318 len = sprintf(buf, "0x%04X\n",
2319 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2320 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2321 }
2322
2323 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2324 char __user *user_buf,
2325 size_t count, loff_t *ppos) {
2326
2327 struct iwl_priv *priv = file->private_data;
2328 int len = 0;
2329 char buf[20];
2330
2331 len = sprintf(buf, "0x%04X\n",
2332 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2333 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2334 }
2335
2336 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2337 char __user *user_buf,
2338 size_t count, loff_t *ppos)
2339 {
2340 struct iwl_priv *priv = file->private_data;
2341 char *buf;
2342 int pos = 0;
2343 ssize_t ret = -EFAULT;
2344
2345 ret = pos = iwl_dump_fh(priv, &buf, true);
2346 if (buf) {
2347 ret = simple_read_from_buffer(user_buf,
2348 count, ppos, buf, pos);
2349 kfree(buf);
2350 }
2351
2352 return ret;
2353 }
2354
2355 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2356 char __user *user_buf,
2357 size_t count, loff_t *ppos) {
2358
2359 struct iwl_priv *priv = file->private_data;
2360 int pos = 0;
2361 char buf[12];
2362 const size_t bufsz = sizeof(buf);
2363
2364 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2365 priv->missed_beacon_threshold);
2366
2367 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2368 }
2369
2370 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2371 const char __user *user_buf,
2372 size_t count, loff_t *ppos)
2373 {
2374 struct iwl_priv *priv = file->private_data;
2375 char buf[8];
2376 int buf_size;
2377 int missed;
2378
2379 memset(buf, 0, sizeof(buf));
2380 buf_size = min(count, sizeof(buf) - 1);
2381 if (copy_from_user(buf, user_buf, buf_size))
2382 return -EFAULT;
2383 if (sscanf(buf, "%d", &missed) != 1)
2384 return -EINVAL;
2385
2386 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2387 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2388 priv->missed_beacon_threshold =
2389 IWL_MISSED_BEACON_THRESHOLD_DEF;
2390 else
2391 priv->missed_beacon_threshold = missed;
2392
2393 return count;
2394 }
2395
2396 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2397 char __user *user_buf,
2398 size_t count, loff_t *ppos) {
2399
2400 struct iwl_priv *priv = file->private_data;
2401 int pos = 0;
2402 char buf[12];
2403 const size_t bufsz = sizeof(buf);
2404
2405 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2406 priv->cfg->base_params->plcp_delta_threshold);
2407
2408 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2409 }
2410
2411 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2412 const char __user *user_buf,
2413 size_t count, loff_t *ppos) {
2414
2415 struct iwl_priv *priv = file->private_data;
2416 char buf[8];
2417 int buf_size;
2418 int plcp;
2419
2420 memset(buf, 0, sizeof(buf));
2421 buf_size = min(count, sizeof(buf) - 1);
2422 if (copy_from_user(buf, user_buf, buf_size))
2423 return -EFAULT;
2424 if (sscanf(buf, "%d", &plcp) != 1)
2425 return -EINVAL;
2426 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2427 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2428 priv->cfg->base_params->plcp_delta_threshold =
2429 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2430 else
2431 priv->cfg->base_params->plcp_delta_threshold = plcp;
2432 return count;
2433 }
2434
2435 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2436 char __user *user_buf,
2437 size_t count, loff_t *ppos) {
2438
2439 struct iwl_priv *priv = file->private_data;
2440 int i, pos = 0;
2441 char buf[300];
2442 const size_t bufsz = sizeof(buf);
2443 struct iwl_force_reset *force_reset;
2444
2445 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2446 force_reset = &priv->force_reset[i];
2447 pos += scnprintf(buf + pos, bufsz - pos,
2448 "Force reset method %d\n", i);
2449 pos += scnprintf(buf + pos, bufsz - pos,
2450 "\tnumber of reset request: %d\n",
2451 force_reset->reset_request_count);
2452 pos += scnprintf(buf + pos, bufsz - pos,
2453 "\tnumber of reset request success: %d\n",
2454 force_reset->reset_success_count);
2455 pos += scnprintf(buf + pos, bufsz - pos,
2456 "\tnumber of reset request reject: %d\n",
2457 force_reset->reset_reject_count);
2458 pos += scnprintf(buf + pos, bufsz - pos,
2459 "\treset duration: %lu\n",
2460 force_reset->reset_duration);
2461 }
2462 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2463 }
2464
2465 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2466 const char __user *user_buf,
2467 size_t count, loff_t *ppos) {
2468
2469 struct iwl_priv *priv = file->private_data;
2470 char buf[8];
2471 int buf_size;
2472 int reset, ret;
2473
2474 memset(buf, 0, sizeof(buf));
2475 buf_size = min(count, sizeof(buf) - 1);
2476 if (copy_from_user(buf, user_buf, buf_size))
2477 return -EFAULT;
2478 if (sscanf(buf, "%d", &reset) != 1)
2479 return -EINVAL;
2480 switch (reset) {
2481 case IWL_RF_RESET:
2482 case IWL_FW_RESET:
2483 ret = iwl_force_reset(priv, reset, true);
2484 break;
2485 default:
2486 return -EINVAL;
2487 }
2488 return ret ? ret : count;
2489 }
2490
2491 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2492 const char __user *user_buf,
2493 size_t count, loff_t *ppos) {
2494
2495 struct iwl_priv *priv = file->private_data;
2496 char buf[8];
2497 int buf_size;
2498 int flush;
2499
2500 memset(buf, 0, sizeof(buf));
2501 buf_size = min(count, sizeof(buf) - 1);
2502 if (copy_from_user(buf, user_buf, buf_size))
2503 return -EFAULT;
2504 if (sscanf(buf, "%d", &flush) != 1)
2505 return -EINVAL;
2506
2507 if (iwl_is_rfkill(priv))
2508 return -EFAULT;
2509
2510 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2511
2512 return count;
2513 }
2514
2515 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2516 const char __user *user_buf,
2517 size_t count, loff_t *ppos) {
2518
2519 struct iwl_priv *priv = file->private_data;
2520 char buf[8];
2521 int buf_size;
2522 int timeout;
2523
2524 memset(buf, 0, sizeof(buf));
2525 buf_size = min(count, sizeof(buf) - 1);
2526 if (copy_from_user(buf, user_buf, buf_size))
2527 return -EFAULT;
2528 if (sscanf(buf, "%d", &timeout) != 1)
2529 return -EINVAL;
2530 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2531 timeout = IWL_DEF_WD_TIMEOUT;
2532
2533 priv->cfg->base_params->wd_timeout = timeout;
2534 iwl_setup_watchdog(priv);
2535 return count;
2536 }
2537
2538 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2539 char __user *user_buf,
2540 size_t count, loff_t *ppos) {
2541
2542 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2543 int pos = 0;
2544 char buf[200];
2545 const size_t bufsz = sizeof(buf);
2546
2547 if (!priv->bt_enable_flag) {
2548 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2549 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2550 }
2551 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2552 priv->bt_enable_flag);
2553 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2554 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2555 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2556 "last traffic notif: %d\n",
2557 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2558 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2559 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2560 priv->bt_ch_announce, priv->kill_ack_mask,
2561 priv->kill_cts_mask);
2562
2563 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2564 switch (priv->bt_traffic_load) {
2565 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2566 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2567 break;
2568 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2569 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2570 break;
2571 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2572 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2573 break;
2574 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2575 default:
2576 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2577 break;
2578 }
2579
2580 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2581 }
2582
2583 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2584 char __user *user_buf,
2585 size_t count, loff_t *ppos)
2586 {
2587 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2588
2589 int pos = 0;
2590 char buf[40];
2591 const size_t bufsz = sizeof(buf);
2592
2593 if (priv->cfg->ht_params)
2594 pos += scnprintf(buf + pos, bufsz - pos,
2595 "use %s for aggregation\n",
2596 (priv->cfg->ht_params->use_rts_for_aggregation) ?
2597 "rts/cts" : "cts-to-self");
2598 else
2599 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2600
2601 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2602 }
2603
2604 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2605 const char __user *user_buf,
2606 size_t count, loff_t *ppos) {
2607
2608 struct iwl_priv *priv = file->private_data;
2609 char buf[8];
2610 int buf_size;
2611 int rts;
2612
2613 if (!priv->cfg->ht_params)
2614 return -EINVAL;
2615
2616 memset(buf, 0, sizeof(buf));
2617 buf_size = min(count, sizeof(buf) - 1);
2618 if (copy_from_user(buf, user_buf, buf_size))
2619 return -EFAULT;
2620 if (sscanf(buf, "%d", &rts) != 1)
2621 return -EINVAL;
2622 if (rts)
2623 priv->cfg->ht_params->use_rts_for_aggregation = true;
2624 else
2625 priv->cfg->ht_params->use_rts_for_aggregation = false;
2626 return count;
2627 }
2628
2629 DEBUGFS_READ_FILE_OPS(rx_statistics);
2630 DEBUGFS_READ_FILE_OPS(tx_statistics);
2631 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2632 DEBUGFS_READ_FILE_OPS(rx_queue);
2633 DEBUGFS_READ_FILE_OPS(tx_queue);
2634 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2635 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2636 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2637 DEBUGFS_READ_FILE_OPS(sensitivity);
2638 DEBUGFS_READ_FILE_OPS(chain_noise);
2639 DEBUGFS_READ_FILE_OPS(power_save_status);
2640 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2641 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2642 DEBUGFS_WRITE_FILE_OPS(csr);
2643 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2644 DEBUGFS_READ_FILE_OPS(fh_reg);
2645 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2646 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2647 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2648 DEBUGFS_READ_FILE_OPS(rxon_flags);
2649 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2650 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2651 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2652 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2653 DEBUGFS_READ_FILE_OPS(bt_traffic);
2654 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2655 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2656
2657 /*
2658 * Create the debugfs files and directories
2659 *
2660 */
2661 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2662 {
2663 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2664 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2665
2666 dir_drv = debugfs_create_dir(name, phyd);
2667 if (!dir_drv)
2668 return -ENOMEM;
2669
2670 priv->debugfs_dir = dir_drv;
2671
2672 dir_data = debugfs_create_dir("data", dir_drv);
2673 if (!dir_data)
2674 goto err;
2675 dir_rf = debugfs_create_dir("rf", dir_drv);
2676 if (!dir_rf)
2677 goto err;
2678 dir_debug = debugfs_create_dir("debug", dir_drv);
2679 if (!dir_debug)
2680 goto err;
2681
2682 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2683 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2684 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2685 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2686 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2687 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2688 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2689 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2690 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2691 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2692 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2693 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2694 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2695 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2696 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2697 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2698 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2699 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
2700 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2701 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2702 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2703 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2704 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2705 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2706 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2707 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2708 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2709 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2710 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2711 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2712 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2713
2714 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2715 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2716 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2717 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2718 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2719 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2720 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2721 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2722 if (iwl_advanced_bt_coexist(priv))
2723 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2724 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2725 &priv->disable_sens_cal);
2726 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2727 &priv->disable_chain_noise_cal);
2728 return 0;
2729
2730 err:
2731 IWL_ERR(priv, "Can't create the debugfs directory\n");
2732 iwl_dbgfs_unregister(priv);
2733 return -ENOMEM;
2734 }
2735
2736 /**
2737 * Remove the debugfs files and directories
2738 *
2739 */
2740 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2741 {
2742 if (!priv->debugfs_dir)
2743 return;
2744
2745 debugfs_remove_recursive(priv->debugfs_dir);
2746 priv->debugfs_dir = NULL;
2747 }
2748
2749
2750
linux-next