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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42 #include "iwl-calib.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 };
91
92 #define DEBUGFS_WRITE_FILE_OPS(name) \
93 DEBUGFS_WRITE_FUNC(name); \
94 static const struct file_operations iwl_dbgfs_##name##_ops = { \
95 .write = iwl_dbgfs_##name##_write, \
96 .open = iwl_dbgfs_open_file_generic, \
97 };
98
99
100 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
101 DEBUGFS_READ_FUNC(name); \
102 DEBUGFS_WRITE_FUNC(name); \
103 static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .read = iwl_dbgfs_##name##_read, \
106 .open = iwl_dbgfs_open_file_generic, \
107 };
108
109
110 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
111 char __user *user_buf,
112 size_t count, loff_t *ppos) {
113
114 struct iwl_priv *priv = file->private_data;
115 char *buf;
116 int pos = 0;
117
118 int cnt;
119 ssize_t ret;
120 const size_t bufsz = 100 +
121 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
122 buf = kzalloc(bufsz, GFP_KERNEL);
123 if (!buf)
124 return -ENOMEM;
125 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
126 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
127 pos += scnprintf(buf + pos, bufsz - pos,
128 "\t%25s\t\t: %u\n",
129 get_mgmt_string(cnt),
130 priv->tx_stats.mgmt[cnt]);
131 }
132 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
133 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
134 pos += scnprintf(buf + pos, bufsz - pos,
135 "\t%25s\t\t: %u\n",
136 get_ctrl_string(cnt),
137 priv->tx_stats.ctrl[cnt]);
138 }
139 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
140 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
141 priv->tx_stats.data_cnt);
142 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
143 priv->tx_stats.data_bytes);
144 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
145 kfree(buf);
146 return ret;
147 }
148
149 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
150 const char __user *user_buf,
151 size_t count, loff_t *ppos)
152 {
153 struct iwl_priv *priv = file->private_data;
154 u32 clear_flag;
155 char buf[8];
156 int buf_size;
157
158 memset(buf, 0, sizeof(buf));
159 buf_size = min(count, sizeof(buf) - 1);
160 if (copy_from_user(buf, user_buf, buf_size))
161 return -EFAULT;
162 if (sscanf(buf, "%x", &clear_flag) != 1)
163 return -EFAULT;
164 iwl_clear_traffic_stats(priv);
165
166 return count;
167 }
168
169 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
170 char __user *user_buf,
171 size_t count, loff_t *ppos) {
172
173 struct iwl_priv *priv = file->private_data;
174 char *buf;
175 int pos = 0;
176 int cnt;
177 ssize_t ret;
178 const size_t bufsz = 100 +
179 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
180 buf = kzalloc(bufsz, GFP_KERNEL);
181 if (!buf)
182 return -ENOMEM;
183
184 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
185 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
186 pos += scnprintf(buf + pos, bufsz - pos,
187 "\t%25s\t\t: %u\n",
188 get_mgmt_string(cnt),
189 priv->rx_stats.mgmt[cnt]);
190 }
191 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
192 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
193 pos += scnprintf(buf + pos, bufsz - pos,
194 "\t%25s\t\t: %u\n",
195 get_ctrl_string(cnt),
196 priv->rx_stats.ctrl[cnt]);
197 }
198 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
199 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
200 priv->rx_stats.data_cnt);
201 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
202 priv->rx_stats.data_bytes);
203
204 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
205 kfree(buf);
206 return ret;
207 }
208
209 #define BYTE1_MASK 0x000000ff;
210 #define BYTE2_MASK 0x0000ffff;
211 #define BYTE3_MASK 0x00ffffff;
212 static ssize_t iwl_dbgfs_sram_read(struct file *file,
213 char __user *user_buf,
214 size_t count, loff_t *ppos)
215 {
216 u32 val;
217 char *buf;
218 ssize_t ret;
219 int i;
220 int pos = 0;
221 struct iwl_priv *priv = file->private_data;
222 size_t bufsz;
223
224 /* default is to dump the entire data segment */
225 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
226 priv->dbgfs_sram_offset = 0x800000;
227 if (priv->ucode_type == UCODE_INIT)
228 priv->dbgfs_sram_len = priv->ucode_init_data.len;
229 else
230 priv->dbgfs_sram_len = priv->ucode_data.len;
231 }
232 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
233 buf = kmalloc(bufsz, GFP_KERNEL);
234 if (!buf)
235 return -ENOMEM;
236 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
237 priv->dbgfs_sram_len);
238 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
239 priv->dbgfs_sram_offset);
240 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
241 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
242 priv->dbgfs_sram_len - i);
243 if (i < 4) {
244 switch (i) {
245 case 1:
246 val &= BYTE1_MASK;
247 break;
248 case 2:
249 val &= BYTE2_MASK;
250 break;
251 case 3:
252 val &= BYTE3_MASK;
253 break;
254 }
255 }
256 if (!(i % 16))
257 pos += scnprintf(buf + pos, bufsz - pos, "\n");
258 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
259 }
260 pos += scnprintf(buf + pos, bufsz - pos, "\n");
261
262 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
263 kfree(buf);
264 return ret;
265 }
266
267 static ssize_t iwl_dbgfs_sram_write(struct file *file,
268 const char __user *user_buf,
269 size_t count, loff_t *ppos)
270 {
271 struct iwl_priv *priv = file->private_data;
272 char buf[64];
273 int buf_size;
274 u32 offset, len;
275
276 memset(buf, 0, sizeof(buf));
277 buf_size = min(count, sizeof(buf) - 1);
278 if (copy_from_user(buf, user_buf, buf_size))
279 return -EFAULT;
280
281 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
282 priv->dbgfs_sram_offset = offset;
283 priv->dbgfs_sram_len = len;
284 } else {
285 priv->dbgfs_sram_offset = 0;
286 priv->dbgfs_sram_len = 0;
287 }
288
289 return count;
290 }
291
292 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
293 size_t count, loff_t *ppos)
294 {
295 struct iwl_priv *priv = file->private_data;
296 struct iwl_station_entry *station;
297 int max_sta = priv->hw_params.max_stations;
298 char *buf;
299 int i, j, pos = 0;
300 ssize_t ret;
301 /* Add 30 for initial string */
302 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
303
304 buf = kmalloc(bufsz, GFP_KERNEL);
305 if (!buf)
306 return -ENOMEM;
307
308 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
309 priv->num_stations);
310
311 for (i = 0; i < max_sta; i++) {
312 station = &priv->stations[i];
313 if (station->used) {
314 pos += scnprintf(buf + pos, bufsz - pos,
315 "station %d:\ngeneral data:\n", i+1);
316 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
317 station->sta.sta.sta_id);
318 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
319 station->sta.mode);
320 pos += scnprintf(buf + pos, bufsz - pos,
321 "flags: 0x%x\n",
322 station->sta.station_flags_msk);
323 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
324 pos += scnprintf(buf + pos, bufsz - pos,
325 "seq_num\t\ttxq_id");
326 pos += scnprintf(buf + pos, bufsz - pos,
327 "\tframe_count\twait_for_ba\t");
328 pos += scnprintf(buf + pos, bufsz - pos,
329 "start_idx\tbitmap0\t");
330 pos += scnprintf(buf + pos, bufsz - pos,
331 "bitmap1\trate_n_flags");
332 pos += scnprintf(buf + pos, bufsz - pos, "\n");
333
334 for (j = 0; j < MAX_TID_COUNT; j++) {
335 pos += scnprintf(buf + pos, bufsz - pos,
336 "[%d]:\t\t%u", j,
337 station->tid[j].seq_number);
338 pos += scnprintf(buf + pos, bufsz - pos,
339 "\t%u\t\t%u\t\t%u\t\t",
340 station->tid[j].agg.txq_id,
341 station->tid[j].agg.frame_count,
342 station->tid[j].agg.wait_for_ba);
343 pos += scnprintf(buf + pos, bufsz - pos,
344 "%u\t%llu\t%u",
345 station->tid[j].agg.start_idx,
346 (unsigned long long)station->tid[j].agg.bitmap,
347 station->tid[j].agg.rate_n_flags);
348 pos += scnprintf(buf + pos, bufsz - pos, "\n");
349 }
350 pos += scnprintf(buf + pos, bufsz - pos, "\n");
351 }
352 }
353
354 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
355 kfree(buf);
356 return ret;
357 }
358
359 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
360 char __user *user_buf,
361 size_t count,
362 loff_t *ppos)
363 {
364 ssize_t ret;
365 struct iwl_priv *priv = file->private_data;
366 int pos = 0, ofs = 0, buf_size = 0;
367 const u8 *ptr;
368 char *buf;
369 u16 eeprom_ver;
370 size_t eeprom_len = priv->cfg->eeprom_size;
371 buf_size = 4 * eeprom_len + 256;
372
373 if (eeprom_len % 16) {
374 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
375 return -ENODATA;
376 }
377
378 ptr = priv->eeprom;
379 if (!ptr) {
380 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
381 return -ENOMEM;
382 }
383
384 /* 4 characters for byte 0xYY */
385 buf = kzalloc(buf_size, GFP_KERNEL);
386 if (!buf) {
387 IWL_ERR(priv, "Can not allocate Buffer\n");
388 return -ENOMEM;
389 }
390 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
391 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
392 "version: 0x%x\n",
393 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
394 ? "OTP" : "EEPROM", eeprom_ver);
395 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
396 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
397 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
398 buf_size - pos, 0);
399 pos += strlen(buf + pos);
400 if (buf_size - pos > 0)
401 buf[pos++] = '\n';
402 }
403
404 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
405 kfree(buf);
406 return ret;
407 }
408
409 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
410 char __user *user_buf,
411 size_t count, loff_t *ppos)
412 {
413 struct iwl_priv *priv = file->private_data;
414 char *buf;
415 int pos = 0;
416 ssize_t ret = -ENOMEM;
417
418 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
419 priv, true, &buf, true);
420 if (buf) {
421 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
422 kfree(buf);
423 }
424 return ret;
425 }
426
427 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
428 const char __user *user_buf,
429 size_t count, loff_t *ppos)
430 {
431 struct iwl_priv *priv = file->private_data;
432 u32 event_log_flag;
433 char buf[8];
434 int buf_size;
435
436 memset(buf, 0, sizeof(buf));
437 buf_size = min(count, sizeof(buf) - 1);
438 if (copy_from_user(buf, user_buf, buf_size))
439 return -EFAULT;
440 if (sscanf(buf, "%d", &event_log_flag) != 1)
441 return -EFAULT;
442 if (event_log_flag == 1)
443 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
444 NULL, false);
445
446 return count;
447 }
448
449
450
451 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
452 size_t count, loff_t *ppos)
453 {
454 struct iwl_priv *priv = file->private_data;
455 struct ieee80211_channel *channels = NULL;
456 const struct ieee80211_supported_band *supp_band = NULL;
457 int pos = 0, i, bufsz = PAGE_SIZE;
458 char *buf;
459 ssize_t ret;
460
461 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
462 return -EAGAIN;
463
464 buf = kzalloc(bufsz, GFP_KERNEL);
465 if (!buf) {
466 IWL_ERR(priv, "Can not allocate Buffer\n");
467 return -ENOMEM;
468 }
469
470 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
471 if (supp_band) {
472 channels = supp_band->channels;
473
474 pos += scnprintf(buf + pos, bufsz - pos,
475 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
476 supp_band->n_channels);
477
478 for (i = 0; i < supp_band->n_channels; i++)
479 pos += scnprintf(buf + pos, bufsz - pos,
480 "%d: %ddBm: BSS%s%s, %s.\n",
481 ieee80211_frequency_to_channel(
482 channels[i].center_freq),
483 channels[i].max_power,
484 channels[i].flags & IEEE80211_CHAN_RADAR ?
485 " (IEEE 802.11h required)" : "",
486 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
487 || (channels[i].flags &
488 IEEE80211_CHAN_RADAR)) ? "" :
489 ", IBSS",
490 channels[i].flags &
491 IEEE80211_CHAN_PASSIVE_SCAN ?
492 "passive only" : "active/passive");
493 }
494 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
495 if (supp_band) {
496 channels = supp_band->channels;
497
498 pos += scnprintf(buf + pos, bufsz - pos,
499 "Displaying %d channels in 5.2GHz band (802.11a)\n",
500 supp_band->n_channels);
501
502 for (i = 0; i < supp_band->n_channels; i++)
503 pos += scnprintf(buf + pos, bufsz - pos,
504 "%d: %ddBm: BSS%s%s, %s.\n",
505 ieee80211_frequency_to_channel(
506 channels[i].center_freq),
507 channels[i].max_power,
508 channels[i].flags & IEEE80211_CHAN_RADAR ?
509 " (IEEE 802.11h required)" : "",
510 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
511 || (channels[i].flags &
512 IEEE80211_CHAN_RADAR)) ? "" :
513 ", IBSS",
514 channels[i].flags &
515 IEEE80211_CHAN_PASSIVE_SCAN ?
516 "passive only" : "active/passive");
517 }
518 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
519 kfree(buf);
520 return ret;
521 }
522
523 static ssize_t iwl_dbgfs_status_read(struct file *file,
524 char __user *user_buf,
525 size_t count, loff_t *ppos) {
526
527 struct iwl_priv *priv = file->private_data;
528 char buf[512];
529 int pos = 0;
530 const size_t bufsz = sizeof(buf);
531
532 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
533 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
534 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
535 test_bit(STATUS_INT_ENABLED, &priv->status));
536 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
537 test_bit(STATUS_RF_KILL_HW, &priv->status));
538 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
539 test_bit(STATUS_CT_KILL, &priv->status));
540 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
541 test_bit(STATUS_INIT, &priv->status));
542 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
543 test_bit(STATUS_ALIVE, &priv->status));
544 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
545 test_bit(STATUS_READY, &priv->status));
546 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
547 test_bit(STATUS_TEMPERATURE, &priv->status));
548 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
549 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
550 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
551 test_bit(STATUS_EXIT_PENDING, &priv->status));
552 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
553 test_bit(STATUS_STATISTICS, &priv->status));
554 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
555 test_bit(STATUS_SCANNING, &priv->status));
556 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
557 test_bit(STATUS_SCAN_ABORTING, &priv->status));
558 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
559 test_bit(STATUS_SCAN_HW, &priv->status));
560 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
561 test_bit(STATUS_POWER_PMI, &priv->status));
562 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
563 test_bit(STATUS_FW_ERROR, &priv->status));
564 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
565 test_bit(STATUS_MODE_PENDING, &priv->status));
566 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
567 }
568
569 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
570 char __user *user_buf,
571 size_t count, loff_t *ppos) {
572
573 struct iwl_priv *priv = file->private_data;
574 int pos = 0;
575 int cnt = 0;
576 char *buf;
577 int bufsz = 24 * 64; /* 24 items * 64 char per item */
578 ssize_t ret;
579
580 buf = kzalloc(bufsz, GFP_KERNEL);
581 if (!buf) {
582 IWL_ERR(priv, "Can not allocate Buffer\n");
583 return -ENOMEM;
584 }
585
586 pos += scnprintf(buf + pos, bufsz - pos,
587 "Interrupt Statistics Report:\n");
588
589 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
590 priv->isr_stats.hw);
591 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
592 priv->isr_stats.sw);
593 if (priv->isr_stats.sw > 0) {
594 pos += scnprintf(buf + pos, bufsz - pos,
595 "\tLast Restarting Code: 0x%X\n",
596 priv->isr_stats.sw_err);
597 }
598 #ifdef CONFIG_IWLWIFI_DEBUG
599 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
600 priv->isr_stats.sch);
601 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
602 priv->isr_stats.alive);
603 #endif
604 pos += scnprintf(buf + pos, bufsz - pos,
605 "HW RF KILL switch toggled:\t %u\n",
606 priv->isr_stats.rfkill);
607
608 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
609 priv->isr_stats.ctkill);
610
611 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
612 priv->isr_stats.wakeup);
613
614 pos += scnprintf(buf + pos, bufsz - pos,
615 "Rx command responses:\t\t %u\n",
616 priv->isr_stats.rx);
617 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
618 if (priv->isr_stats.rx_handlers[cnt] > 0)
619 pos += scnprintf(buf + pos, bufsz - pos,
620 "\tRx handler[%36s]:\t\t %u\n",
621 get_cmd_string(cnt),
622 priv->isr_stats.rx_handlers[cnt]);
623 }
624
625 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
626 priv->isr_stats.tx);
627
628 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
629 priv->isr_stats.unhandled);
630
631 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
632 kfree(buf);
633 return ret;
634 }
635
636 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
637 const char __user *user_buf,
638 size_t count, loff_t *ppos)
639 {
640 struct iwl_priv *priv = file->private_data;
641 char buf[8];
642 int buf_size;
643 u32 reset_flag;
644
645 memset(buf, 0, sizeof(buf));
646 buf_size = min(count, sizeof(buf) - 1);
647 if (copy_from_user(buf, user_buf, buf_size))
648 return -EFAULT;
649 if (sscanf(buf, "%x", &reset_flag) != 1)
650 return -EFAULT;
651 if (reset_flag == 0)
652 iwl_clear_isr_stats(priv);
653
654 return count;
655 }
656
657 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
658 size_t count, loff_t *ppos)
659 {
660 struct iwl_priv *priv = file->private_data;
661 int pos = 0, i;
662 char buf[256];
663 const size_t bufsz = sizeof(buf);
664 ssize_t ret;
665
666 for (i = 0; i < AC_NUM; i++) {
667 pos += scnprintf(buf + pos, bufsz - pos,
668 "\tcw_min\tcw_max\taifsn\ttxop\n");
669 pos += scnprintf(buf + pos, bufsz - pos,
670 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
671 priv->qos_data.def_qos_parm.ac[i].cw_min,
672 priv->qos_data.def_qos_parm.ac[i].cw_max,
673 priv->qos_data.def_qos_parm.ac[i].aifsn,
674 priv->qos_data.def_qos_parm.ac[i].edca_txop);
675 }
676 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
677 return ret;
678 }
679
680 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
681 size_t count, loff_t *ppos)
682 {
683 struct iwl_priv *priv = file->private_data;
684 int pos = 0;
685 char buf[256];
686 const size_t bufsz = sizeof(buf);
687 ssize_t ret;
688
689 pos += scnprintf(buf + pos, bufsz - pos,
690 "allow blinking: %s\n",
691 (priv->allow_blinking) ? "True" : "False");
692 if (priv->allow_blinking) {
693 pos += scnprintf(buf + pos, bufsz - pos,
694 "Led blinking rate: %u\n",
695 priv->last_blink_rate);
696 pos += scnprintf(buf + pos, bufsz - pos,
697 "Last blink time: %lu\n",
698 priv->last_blink_time);
699 }
700
701 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
702 return ret;
703 }
704
705 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
706 char __user *user_buf,
707 size_t count, loff_t *ppos)
708 {
709 struct iwl_priv *priv = file->private_data;
710 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
711 struct iwl_tt_restriction *restriction;
712 char buf[100];
713 int pos = 0;
714 const size_t bufsz = sizeof(buf);
715 ssize_t ret;
716
717 pos += scnprintf(buf + pos, bufsz - pos,
718 "Thermal Throttling Mode: %s\n",
719 tt->advanced_tt ? "Advance" : "Legacy");
720 pos += scnprintf(buf + pos, bufsz - pos,
721 "Thermal Throttling State: %d\n",
722 tt->state);
723 if (tt->advanced_tt) {
724 restriction = tt->restriction + tt->state;
725 pos += scnprintf(buf + pos, bufsz - pos,
726 "Tx mode: %d\n",
727 restriction->tx_stream);
728 pos += scnprintf(buf + pos, bufsz - pos,
729 "Rx mode: %d\n",
730 restriction->rx_stream);
731 pos += scnprintf(buf + pos, bufsz - pos,
732 "HT mode: %d\n",
733 restriction->is_ht);
734 }
735 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
736 return ret;
737 }
738
739 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
740 const char __user *user_buf,
741 size_t count, loff_t *ppos)
742 {
743 struct iwl_priv *priv = file->private_data;
744 char buf[8];
745 int buf_size;
746 int ht40;
747
748 memset(buf, 0, sizeof(buf));
749 buf_size = min(count, sizeof(buf) - 1);
750 if (copy_from_user(buf, user_buf, buf_size))
751 return -EFAULT;
752 if (sscanf(buf, "%d", &ht40) != 1)
753 return -EFAULT;
754 if (!iwl_is_associated(priv))
755 priv->disable_ht40 = ht40 ? true : false;
756 else {
757 IWL_ERR(priv, "Sta associated with AP - "
758 "Change to 40MHz channel support is not allowed\n");
759 return -EINVAL;
760 }
761
762 return count;
763 }
764
765 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
766 char __user *user_buf,
767 size_t count, loff_t *ppos)
768 {
769 struct iwl_priv *priv = file->private_data;
770 char buf[100];
771 int pos = 0;
772 const size_t bufsz = sizeof(buf);
773 ssize_t ret;
774
775 pos += scnprintf(buf + pos, bufsz - pos,
776 "11n 40MHz Mode: %s\n",
777 priv->disable_ht40 ? "Disabled" : "Enabled");
778 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
779 return ret;
780 }
781
782 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
783 const char __user *user_buf,
784 size_t count, loff_t *ppos)
785 {
786 struct iwl_priv *priv = file->private_data;
787 char buf[8];
788 int buf_size;
789 int value;
790
791 memset(buf, 0, sizeof(buf));
792 buf_size = min(count, sizeof(buf) - 1);
793 if (copy_from_user(buf, user_buf, buf_size))
794 return -EFAULT;
795
796 if (sscanf(buf, "%d", &value) != 1)
797 return -EINVAL;
798
799 /*
800 * Our users expect 0 to be "CAM", but 0 isn't actually
801 * valid here. However, let's not confuse them and present
802 * IWL_POWER_INDEX_1 as "1", not "0".
803 */
804 if (value == 0)
805 return -EINVAL;
806 else if (value > 0)
807 value -= 1;
808
809 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
810 return -EINVAL;
811
812 if (!iwl_is_ready_rf(priv))
813 return -EAGAIN;
814
815 priv->power_data.debug_sleep_level_override = value;
816
817 mutex_lock(&priv->mutex);
818 iwl_power_update_mode(priv, true);
819 mutex_unlock(&priv->mutex);
820
821 return count;
822 }
823
824 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
825 char __user *user_buf,
826 size_t count, loff_t *ppos)
827 {
828 struct iwl_priv *priv = file->private_data;
829 char buf[10];
830 int pos, value;
831 const size_t bufsz = sizeof(buf);
832
833 /* see the write function */
834 value = priv->power_data.debug_sleep_level_override;
835 if (value >= 0)
836 value += 1;
837
838 pos = scnprintf(buf, bufsz, "%d\n", value);
839 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
840 }
841
842 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
843 char __user *user_buf,
844 size_t count, loff_t *ppos)
845 {
846 struct iwl_priv *priv = file->private_data;
847 char buf[200];
848 int pos = 0, i;
849 const size_t bufsz = sizeof(buf);
850 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
851
852 pos += scnprintf(buf + pos, bufsz - pos,
853 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
854 pos += scnprintf(buf + pos, bufsz - pos,
855 "RX/TX timeout: %d/%d usec\n",
856 le32_to_cpu(cmd->rx_data_timeout),
857 le32_to_cpu(cmd->tx_data_timeout));
858 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
859 pos += scnprintf(buf + pos, bufsz - pos,
860 "sleep_interval[%d]: %d\n", i,
861 le32_to_cpu(cmd->sleep_interval[i]));
862
863 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
864 }
865
866 DEBUGFS_READ_WRITE_FILE_OPS(sram);
867 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
868 DEBUGFS_READ_FILE_OPS(nvm);
869 DEBUGFS_READ_FILE_OPS(stations);
870 DEBUGFS_READ_FILE_OPS(channels);
871 DEBUGFS_READ_FILE_OPS(status);
872 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
873 DEBUGFS_READ_FILE_OPS(qos);
874 DEBUGFS_READ_FILE_OPS(led);
875 DEBUGFS_READ_FILE_OPS(thermal_throttling);
876 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
877 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
878 DEBUGFS_READ_FILE_OPS(current_sleep_command);
879
880 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
881 char __user *user_buf,
882 size_t count, loff_t *ppos)
883 {
884 struct iwl_priv *priv = file->private_data;
885 int pos = 0, ofs = 0;
886 int cnt = 0, entry;
887 struct iwl_tx_queue *txq;
888 struct iwl_queue *q;
889 struct iwl_rx_queue *rxq = &priv->rxq;
890 char *buf;
891 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
892 (priv->cfg->num_of_queues * 32 * 8) + 400;
893 const u8 *ptr;
894 ssize_t ret;
895
896 if (!priv->txq) {
897 IWL_ERR(priv, "txq not ready\n");
898 return -EAGAIN;
899 }
900 buf = kzalloc(bufsz, GFP_KERNEL);
901 if (!buf) {
902 IWL_ERR(priv, "Can not allocate buffer\n");
903 return -ENOMEM;
904 }
905 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
906 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
907 txq = &priv->txq[cnt];
908 q = &txq->q;
909 pos += scnprintf(buf + pos, bufsz - pos,
910 "q[%d]: read_ptr: %u, write_ptr: %u\n",
911 cnt, q->read_ptr, q->write_ptr);
912 }
913 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
914 ptr = priv->tx_traffic;
915 pos += scnprintf(buf + pos, bufsz - pos,
916 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
917 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
918 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
919 entry++, ofs += 16) {
920 pos += scnprintf(buf + pos, bufsz - pos,
921 "0x%.4x ", ofs);
922 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
923 buf + pos, bufsz - pos, 0);
924 pos += strlen(buf + pos);
925 if (bufsz - pos > 0)
926 buf[pos++] = '\n';
927 }
928 }
929 }
930
931 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
932 pos += scnprintf(buf + pos, bufsz - pos,
933 "read: %u, write: %u\n",
934 rxq->read, rxq->write);
935
936 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
937 ptr = priv->rx_traffic;
938 pos += scnprintf(buf + pos, bufsz - pos,
939 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
940 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
941 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
942 entry++, ofs += 16) {
943 pos += scnprintf(buf + pos, bufsz - pos,
944 "0x%.4x ", ofs);
945 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
946 buf + pos, bufsz - pos, 0);
947 pos += strlen(buf + pos);
948 if (bufsz - pos > 0)
949 buf[pos++] = '\n';
950 }
951 }
952 }
953
954 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
955 kfree(buf);
956 return ret;
957 }
958
959 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
960 const char __user *user_buf,
961 size_t count, loff_t *ppos)
962 {
963 struct iwl_priv *priv = file->private_data;
964 char buf[8];
965 int buf_size;
966 int traffic_log;
967
968 memset(buf, 0, sizeof(buf));
969 buf_size = min(count, sizeof(buf) - 1);
970 if (copy_from_user(buf, user_buf, buf_size))
971 return -EFAULT;
972 if (sscanf(buf, "%d", &traffic_log) != 1)
973 return -EFAULT;
974 if (traffic_log == 0)
975 iwl_reset_traffic_log(priv);
976
977 return count;
978 }
979
980 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
981 char __user *user_buf,
982 size_t count, loff_t *ppos) {
983
984 struct iwl_priv *priv = file->private_data;
985 struct iwl_tx_queue *txq;
986 struct iwl_queue *q;
987 char *buf;
988 int pos = 0;
989 int cnt;
990 int ret;
991 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
992
993 if (!priv->txq) {
994 IWL_ERR(priv, "txq not ready\n");
995 return -EAGAIN;
996 }
997 buf = kzalloc(bufsz, GFP_KERNEL);
998 if (!buf)
999 return -ENOMEM;
1000
1001 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1002 txq = &priv->txq[cnt];
1003 q = &txq->q;
1004 pos += scnprintf(buf + pos, bufsz - pos,
1005 "hwq %.2d: read=%u write=%u stop=%d"
1006 " swq_id=%#.2x (ac %d/hwq %d)\n",
1007 cnt, q->read_ptr, q->write_ptr,
1008 !!test_bit(cnt, priv->queue_stopped),
1009 txq->swq_id,
1010 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1011 txq->swq_id,
1012 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1013 0x1f : txq->swq_id);
1014 if (cnt >= 4)
1015 continue;
1016 /* for the ACs, display the stop count too */
1017 pos += scnprintf(buf + pos, bufsz - pos,
1018 " stop-count: %d\n",
1019 atomic_read(&priv->queue_stop_count[cnt]));
1020 }
1021 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1022 kfree(buf);
1023 return ret;
1024 }
1025
1026 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1027 char __user *user_buf,
1028 size_t count, loff_t *ppos) {
1029
1030 struct iwl_priv *priv = file->private_data;
1031 struct iwl_rx_queue *rxq = &priv->rxq;
1032 char buf[256];
1033 int pos = 0;
1034 const size_t bufsz = sizeof(buf);
1035
1036 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1037 rxq->read);
1038 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1039 rxq->write);
1040 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1041 rxq->free_count);
1042 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1043 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1044 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1045 }
1046
1047 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1048 int bufsz)
1049 {
1050 int p = 0;
1051
1052 p += scnprintf(buf + p, bufsz - p,
1053 "Statistics Flag(0x%X):\n",
1054 le32_to_cpu(priv->statistics.flag));
1055 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1056 p += scnprintf(buf + p, bufsz - p,
1057 "\tStatistics have been cleared\n");
1058 p += scnprintf(buf + p, bufsz - p,
1059 "\tOperational Frequency: %s\n",
1060 (le32_to_cpu(priv->statistics.flag) &
1061 UCODE_STATISTICS_FREQUENCY_MSK)
1062 ? "2.4 GHz" : "5.2 GHz");
1063 p += scnprintf(buf + p, bufsz - p,
1064 "\tTGj Narrow Band: %s\n",
1065 (le32_to_cpu(priv->statistics.flag) &
1066 UCODE_STATISTICS_NARROW_BAND_MSK)
1067 ? "enabled" : "disabled");
1068 return p;
1069 }
1070
1071 static const char ucode_stats_header[] =
1072 "%-32s current acumulative delta max\n";
1073 static const char ucode_stats_short_format[] =
1074 " %-30s %10u\n";
1075 static const char ucode_stats_format[] =
1076 " %-30s %10u %10u %10u %10u\n";
1077
1078 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1079 char __user *user_buf,
1080 size_t count, loff_t *ppos)
1081 {
1082 struct iwl_priv *priv = file->private_data;
1083 int pos = 0;
1084 char *buf;
1085 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1086 sizeof(struct statistics_rx_non_phy) * 40 +
1087 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
1088 ssize_t ret;
1089 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1090 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
1091 struct statistics_rx_non_phy *general, *accum_general;
1092 struct statistics_rx_non_phy *delta_general, *max_general;
1093 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
1094
1095 if (!iwl_is_alive(priv))
1096 return -EAGAIN;
1097
1098 buf = kzalloc(bufsz, GFP_KERNEL);
1099 if (!buf) {
1100 IWL_ERR(priv, "Can not allocate Buffer\n");
1101 return -ENOMEM;
1102 }
1103
1104 /* the statistic information display here is based on
1105 * the last statistics notification from uCode
1106 * might not reflect the current uCode activity
1107 */
1108 ofdm = &priv->statistics.rx.ofdm;
1109 cck = &priv->statistics.rx.cck;
1110 general = &priv->statistics.rx.general;
1111 ht = &priv->statistics.rx.ofdm_ht;
1112 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1113 accum_cck = &priv->accum_statistics.rx.cck;
1114 accum_general = &priv->accum_statistics.rx.general;
1115 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1116 delta_ofdm = &priv->delta_statistics.rx.ofdm;
1117 delta_cck = &priv->delta_statistics.rx.cck;
1118 delta_general = &priv->delta_statistics.rx.general;
1119 delta_ht = &priv->delta_statistics.rx.ofdm_ht;
1120 max_ofdm = &priv->max_delta.rx.ofdm;
1121 max_cck = &priv->max_delta.rx.cck;
1122 max_general = &priv->max_delta.rx.general;
1123 max_ht = &priv->max_delta.rx.ofdm_ht;
1124
1125 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1126 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1127 "Statistics_Rx - OFDM:");
1128 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1129 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
1130 accum_ofdm->ina_cnt,
1131 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1132 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1133 "fina_cnt:",
1134 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1135 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1136 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1137 "plcp_err:",
1138 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1139 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1140 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1141 "crc32_err:",
1142 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1143 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1144 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1145 "overrun_err:",
1146 le32_to_cpu(ofdm->overrun_err),
1147 accum_ofdm->overrun_err,
1148 delta_ofdm->overrun_err, max_ofdm->overrun_err);
1149 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1150 "early_overrun_err:",
1151 le32_to_cpu(ofdm->early_overrun_err),
1152 accum_ofdm->early_overrun_err,
1153 delta_ofdm->early_overrun_err,
1154 max_ofdm->early_overrun_err);
1155 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1156 "crc32_good:",
1157 le32_to_cpu(ofdm->crc32_good),
1158 accum_ofdm->crc32_good,
1159 delta_ofdm->crc32_good, max_ofdm->crc32_good);
1160 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1161 "false_alarm_cnt:",
1162 le32_to_cpu(ofdm->false_alarm_cnt),
1163 accum_ofdm->false_alarm_cnt,
1164 delta_ofdm->false_alarm_cnt,
1165 max_ofdm->false_alarm_cnt);
1166 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1167 "fina_sync_err_cnt:",
1168 le32_to_cpu(ofdm->fina_sync_err_cnt),
1169 accum_ofdm->fina_sync_err_cnt,
1170 delta_ofdm->fina_sync_err_cnt,
1171 max_ofdm->fina_sync_err_cnt);
1172 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1173 "sfd_timeout:",
1174 le32_to_cpu(ofdm->sfd_timeout),
1175 accum_ofdm->sfd_timeout,
1176 delta_ofdm->sfd_timeout,
1177 max_ofdm->sfd_timeout);
1178 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1179 "fina_timeout:",
1180 le32_to_cpu(ofdm->fina_timeout),
1181 accum_ofdm->fina_timeout,
1182 delta_ofdm->fina_timeout,
1183 max_ofdm->fina_timeout);
1184 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1185 "unresponded_rts:",
1186 le32_to_cpu(ofdm->unresponded_rts),
1187 accum_ofdm->unresponded_rts,
1188 delta_ofdm->unresponded_rts,
1189 max_ofdm->unresponded_rts);
1190 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1191 "rxe_frame_lmt_ovrun:",
1192 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1193 accum_ofdm->rxe_frame_limit_overrun,
1194 delta_ofdm->rxe_frame_limit_overrun,
1195 max_ofdm->rxe_frame_limit_overrun);
1196 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1197 "sent_ack_cnt:",
1198 le32_to_cpu(ofdm->sent_ack_cnt),
1199 accum_ofdm->sent_ack_cnt,
1200 delta_ofdm->sent_ack_cnt,
1201 max_ofdm->sent_ack_cnt);
1202 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1203 "sent_cts_cnt:",
1204 le32_to_cpu(ofdm->sent_cts_cnt),
1205 accum_ofdm->sent_cts_cnt,
1206 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
1207 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1208 "sent_ba_rsp_cnt:",
1209 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1210 accum_ofdm->sent_ba_rsp_cnt,
1211 delta_ofdm->sent_ba_rsp_cnt,
1212 max_ofdm->sent_ba_rsp_cnt);
1213 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1214 "dsp_self_kill:",
1215 le32_to_cpu(ofdm->dsp_self_kill),
1216 accum_ofdm->dsp_self_kill,
1217 delta_ofdm->dsp_self_kill,
1218 max_ofdm->dsp_self_kill);
1219 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1220 "mh_format_err:",
1221 le32_to_cpu(ofdm->mh_format_err),
1222 accum_ofdm->mh_format_err,
1223 delta_ofdm->mh_format_err,
1224 max_ofdm->mh_format_err);
1225 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1226 "re_acq_main_rssi_sum:",
1227 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1228 accum_ofdm->re_acq_main_rssi_sum,
1229 delta_ofdm->re_acq_main_rssi_sum,
1230 max_ofdm->re_acq_main_rssi_sum);
1231
1232 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1233 "Statistics_Rx - CCK:");
1234 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1235 "ina_cnt:",
1236 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1237 delta_cck->ina_cnt, max_cck->ina_cnt);
1238 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1239 "fina_cnt:",
1240 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1241 delta_cck->fina_cnt, max_cck->fina_cnt);
1242 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1243 "plcp_err:",
1244 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1245 delta_cck->plcp_err, max_cck->plcp_err);
1246 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1247 "crc32_err:",
1248 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1249 delta_cck->crc32_err, max_cck->crc32_err);
1250 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1251 "overrun_err:",
1252 le32_to_cpu(cck->overrun_err),
1253 accum_cck->overrun_err,
1254 delta_cck->overrun_err, max_cck->overrun_err);
1255 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1256 "early_overrun_err:",
1257 le32_to_cpu(cck->early_overrun_err),
1258 accum_cck->early_overrun_err,
1259 delta_cck->early_overrun_err,
1260 max_cck->early_overrun_err);
1261 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1262 "crc32_good:",
1263 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1264 delta_cck->crc32_good,
1265 max_cck->crc32_good);
1266 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1267 "false_alarm_cnt:",
1268 le32_to_cpu(cck->false_alarm_cnt),
1269 accum_cck->false_alarm_cnt,
1270 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1271 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1272 "fina_sync_err_cnt:",
1273 le32_to_cpu(cck->fina_sync_err_cnt),
1274 accum_cck->fina_sync_err_cnt,
1275 delta_cck->fina_sync_err_cnt,
1276 max_cck->fina_sync_err_cnt);
1277 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1278 "sfd_timeout:",
1279 le32_to_cpu(cck->sfd_timeout),
1280 accum_cck->sfd_timeout,
1281 delta_cck->sfd_timeout, max_cck->sfd_timeout);
1282 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1283 "fina_timeout:",
1284 le32_to_cpu(cck->fina_timeout),
1285 accum_cck->fina_timeout,
1286 delta_cck->fina_timeout, max_cck->fina_timeout);
1287 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1288 "unresponded_rts:",
1289 le32_to_cpu(cck->unresponded_rts),
1290 accum_cck->unresponded_rts,
1291 delta_cck->unresponded_rts,
1292 max_cck->unresponded_rts);
1293 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1294 "rxe_frame_lmt_ovrun:",
1295 le32_to_cpu(cck->rxe_frame_limit_overrun),
1296 accum_cck->rxe_frame_limit_overrun,
1297 delta_cck->rxe_frame_limit_overrun,
1298 max_cck->rxe_frame_limit_overrun);
1299 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1300 "sent_ack_cnt:",
1301 le32_to_cpu(cck->sent_ack_cnt),
1302 accum_cck->sent_ack_cnt,
1303 delta_cck->sent_ack_cnt,
1304 max_cck->sent_ack_cnt);
1305 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1306 "sent_cts_cnt:",
1307 le32_to_cpu(cck->sent_cts_cnt),
1308 accum_cck->sent_cts_cnt,
1309 delta_cck->sent_cts_cnt,
1310 max_cck->sent_cts_cnt);
1311 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1312 "sent_ba_rsp_cnt:",
1313 le32_to_cpu(cck->sent_ba_rsp_cnt),
1314 accum_cck->sent_ba_rsp_cnt,
1315 delta_cck->sent_ba_rsp_cnt,
1316 max_cck->sent_ba_rsp_cnt);
1317 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1318 "dsp_self_kill:",
1319 le32_to_cpu(cck->dsp_self_kill),
1320 accum_cck->dsp_self_kill,
1321 delta_cck->dsp_self_kill,
1322 max_cck->dsp_self_kill);
1323 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1324 "mh_format_err:",
1325 le32_to_cpu(cck->mh_format_err),
1326 accum_cck->mh_format_err,
1327 delta_cck->mh_format_err, max_cck->mh_format_err);
1328 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1329 "re_acq_main_rssi_sum:",
1330 le32_to_cpu(cck->re_acq_main_rssi_sum),
1331 accum_cck->re_acq_main_rssi_sum,
1332 delta_cck->re_acq_main_rssi_sum,
1333 max_cck->re_acq_main_rssi_sum);
1334
1335 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1336 "Statistics_Rx - GENERAL:");
1337 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1338 "bogus_cts:",
1339 le32_to_cpu(general->bogus_cts),
1340 accum_general->bogus_cts,
1341 delta_general->bogus_cts, max_general->bogus_cts);
1342 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1343 "bogus_ack:",
1344 le32_to_cpu(general->bogus_ack),
1345 accum_general->bogus_ack,
1346 delta_general->bogus_ack, max_general->bogus_ack);
1347 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1348 "non_bssid_frames:",
1349 le32_to_cpu(general->non_bssid_frames),
1350 accum_general->non_bssid_frames,
1351 delta_general->non_bssid_frames,
1352 max_general->non_bssid_frames);
1353 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1354 "filtered_frames:",
1355 le32_to_cpu(general->filtered_frames),
1356 accum_general->filtered_frames,
1357 delta_general->filtered_frames,
1358 max_general->filtered_frames);
1359 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1360 "non_channel_beacons:",
1361 le32_to_cpu(general->non_channel_beacons),
1362 accum_general->non_channel_beacons,
1363 delta_general->non_channel_beacons,
1364 max_general->non_channel_beacons);
1365 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1366 "channel_beacons:",
1367 le32_to_cpu(general->channel_beacons),
1368 accum_general->channel_beacons,
1369 delta_general->channel_beacons,
1370 max_general->channel_beacons);
1371 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1372 "num_missed_bcon:",
1373 le32_to_cpu(general->num_missed_bcon),
1374 accum_general->num_missed_bcon,
1375 delta_general->num_missed_bcon,
1376 max_general->num_missed_bcon);
1377 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1378 "adc_rx_saturation_time:",
1379 le32_to_cpu(general->adc_rx_saturation_time),
1380 accum_general->adc_rx_saturation_time,
1381 delta_general->adc_rx_saturation_time,
1382 max_general->adc_rx_saturation_time);
1383 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1384 "ina_detect_search_tm:",
1385 le32_to_cpu(general->ina_detection_search_time),
1386 accum_general->ina_detection_search_time,
1387 delta_general->ina_detection_search_time,
1388 max_general->ina_detection_search_time);
1389 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1390 "beacon_silence_rssi_a:",
1391 le32_to_cpu(general->beacon_silence_rssi_a),
1392 accum_general->beacon_silence_rssi_a,
1393 delta_general->beacon_silence_rssi_a,
1394 max_general->beacon_silence_rssi_a);
1395 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1396 "beacon_silence_rssi_b:",
1397 le32_to_cpu(general->beacon_silence_rssi_b),
1398 accum_general->beacon_silence_rssi_b,
1399 delta_general->beacon_silence_rssi_b,
1400 max_general->beacon_silence_rssi_b);
1401 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1402 "beacon_silence_rssi_c:",
1403 le32_to_cpu(general->beacon_silence_rssi_c),
1404 accum_general->beacon_silence_rssi_c,
1405 delta_general->beacon_silence_rssi_c,
1406 max_general->beacon_silence_rssi_c);
1407 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1408 "interference_data_flag:",
1409 le32_to_cpu(general->interference_data_flag),
1410 accum_general->interference_data_flag,
1411 delta_general->interference_data_flag,
1412 max_general->interference_data_flag);
1413 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1414 "channel_load:",
1415 le32_to_cpu(general->channel_load),
1416 accum_general->channel_load,
1417 delta_general->channel_load,
1418 max_general->channel_load);
1419 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1420 "dsp_false_alarms:",
1421 le32_to_cpu(general->dsp_false_alarms),
1422 accum_general->dsp_false_alarms,
1423 delta_general->dsp_false_alarms,
1424 max_general->dsp_false_alarms);
1425 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1426 "beacon_rssi_a:",
1427 le32_to_cpu(general->beacon_rssi_a),
1428 accum_general->beacon_rssi_a,
1429 delta_general->beacon_rssi_a,
1430 max_general->beacon_rssi_a);
1431 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1432 "beacon_rssi_b:",
1433 le32_to_cpu(general->beacon_rssi_b),
1434 accum_general->beacon_rssi_b,
1435 delta_general->beacon_rssi_b,
1436 max_general->beacon_rssi_b);
1437 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1438 "beacon_rssi_c:",
1439 le32_to_cpu(general->beacon_rssi_c),
1440 accum_general->beacon_rssi_c,
1441 delta_general->beacon_rssi_c,
1442 max_general->beacon_rssi_c);
1443 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1444 "beacon_energy_a:",
1445 le32_to_cpu(general->beacon_energy_a),
1446 accum_general->beacon_energy_a,
1447 delta_general->beacon_energy_a,
1448 max_general->beacon_energy_a);
1449 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1450 "beacon_energy_b:",
1451 le32_to_cpu(general->beacon_energy_b),
1452 accum_general->beacon_energy_b,
1453 delta_general->beacon_energy_b,
1454 max_general->beacon_energy_b);
1455 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1456 "beacon_energy_c:",
1457 le32_to_cpu(general->beacon_energy_c),
1458 accum_general->beacon_energy_c,
1459 delta_general->beacon_energy_c,
1460 max_general->beacon_energy_c);
1461
1462 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1463 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1464 "Statistics_Rx - OFDM_HT:");
1465 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1466 "plcp_err:",
1467 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1468 delta_ht->plcp_err, max_ht->plcp_err);
1469 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1470 "overrun_err:",
1471 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1472 delta_ht->overrun_err, max_ht->overrun_err);
1473 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1474 "early_overrun_err:",
1475 le32_to_cpu(ht->early_overrun_err),
1476 accum_ht->early_overrun_err,
1477 delta_ht->early_overrun_err,
1478 max_ht->early_overrun_err);
1479 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1480 "crc32_good:",
1481 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1482 delta_ht->crc32_good, max_ht->crc32_good);
1483 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1484 "crc32_err:",
1485 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1486 delta_ht->crc32_err, max_ht->crc32_err);
1487 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1488 "mh_format_err:",
1489 le32_to_cpu(ht->mh_format_err),
1490 accum_ht->mh_format_err,
1491 delta_ht->mh_format_err, max_ht->mh_format_err);
1492 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1493 "agg_crc32_good:",
1494 le32_to_cpu(ht->agg_crc32_good),
1495 accum_ht->agg_crc32_good,
1496 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1497 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1498 "agg_mpdu_cnt:",
1499 le32_to_cpu(ht->agg_mpdu_cnt),
1500 accum_ht->agg_mpdu_cnt,
1501 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1502 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1503 "agg_cnt:",
1504 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1505 delta_ht->agg_cnt, max_ht->agg_cnt);
1506 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1507 "unsupport_mcs:",
1508 le32_to_cpu(ht->unsupport_mcs),
1509 accum_ht->unsupport_mcs,
1510 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1511
1512 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1513 kfree(buf);
1514 return ret;
1515 }
1516
1517 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1518 char __user *user_buf,
1519 size_t count, loff_t *ppos)
1520 {
1521 struct iwl_priv *priv = file->private_data;
1522 int pos = 0;
1523 char *buf;
1524 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1525 ssize_t ret;
1526 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1527
1528 if (!iwl_is_alive(priv))
1529 return -EAGAIN;
1530
1531 buf = kzalloc(bufsz, GFP_KERNEL);
1532 if (!buf) {
1533 IWL_ERR(priv, "Can not allocate Buffer\n");
1534 return -ENOMEM;
1535 }
1536
1537 /* the statistic information display here is based on
1538 * the last statistics notification from uCode
1539 * might not reflect the current uCode activity
1540 */
1541 tx = &priv->statistics.tx;
1542 accum_tx = &priv->accum_statistics.tx;
1543 delta_tx = &priv->delta_statistics.tx;
1544 max_tx = &priv->max_delta.tx;
1545 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1546 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1547 "Statistics_Tx:");
1548 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1549 "preamble:",
1550 le32_to_cpu(tx->preamble_cnt),
1551 accum_tx->preamble_cnt,
1552 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1553 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1554 "rx_detected_cnt:",
1555 le32_to_cpu(tx->rx_detected_cnt),
1556 accum_tx->rx_detected_cnt,
1557 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1558 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1559 "bt_prio_defer_cnt:",
1560 le32_to_cpu(tx->bt_prio_defer_cnt),
1561 accum_tx->bt_prio_defer_cnt,
1562 delta_tx->bt_prio_defer_cnt,
1563 max_tx->bt_prio_defer_cnt);
1564 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1565 "bt_prio_kill_cnt:",
1566 le32_to_cpu(tx->bt_prio_kill_cnt),
1567 accum_tx->bt_prio_kill_cnt,
1568 delta_tx->bt_prio_kill_cnt,
1569 max_tx->bt_prio_kill_cnt);
1570 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1571 "few_bytes_cnt:",
1572 le32_to_cpu(tx->few_bytes_cnt),
1573 accum_tx->few_bytes_cnt,
1574 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1575 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1576 "cts_timeout:",
1577 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1578 delta_tx->cts_timeout, max_tx->cts_timeout);
1579 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1580 "ack_timeout:",
1581 le32_to_cpu(tx->ack_timeout),
1582 accum_tx->ack_timeout,
1583 delta_tx->ack_timeout, max_tx->ack_timeout);
1584 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1585 "expected_ack_cnt:",
1586 le32_to_cpu(tx->expected_ack_cnt),
1587 accum_tx->expected_ack_cnt,
1588 delta_tx->expected_ack_cnt,
1589 max_tx->expected_ack_cnt);
1590 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1591 "actual_ack_cnt:",
1592 le32_to_cpu(tx->actual_ack_cnt),
1593 accum_tx->actual_ack_cnt,
1594 delta_tx->actual_ack_cnt,
1595 max_tx->actual_ack_cnt);
1596 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1597 "dump_msdu_cnt:",
1598 le32_to_cpu(tx->dump_msdu_cnt),
1599 accum_tx->dump_msdu_cnt,
1600 delta_tx->dump_msdu_cnt,
1601 max_tx->dump_msdu_cnt);
1602 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1603 "abort_nxt_frame_mismatch:",
1604 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1605 accum_tx->burst_abort_next_frame_mismatch_cnt,
1606 delta_tx->burst_abort_next_frame_mismatch_cnt,
1607 max_tx->burst_abort_next_frame_mismatch_cnt);
1608 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1609 "abort_missing_nxt_frame:",
1610 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1611 accum_tx->burst_abort_missing_next_frame_cnt,
1612 delta_tx->burst_abort_missing_next_frame_cnt,
1613 max_tx->burst_abort_missing_next_frame_cnt);
1614 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1615 "cts_timeout_collision:",
1616 le32_to_cpu(tx->cts_timeout_collision),
1617 accum_tx->cts_timeout_collision,
1618 delta_tx->cts_timeout_collision,
1619 max_tx->cts_timeout_collision);
1620 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1621 "ack_ba_timeout_collision:",
1622 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1623 accum_tx->ack_or_ba_timeout_collision,
1624 delta_tx->ack_or_ba_timeout_collision,
1625 max_tx->ack_or_ba_timeout_collision);
1626 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1627 "agg ba_timeout:",
1628 le32_to_cpu(tx->agg.ba_timeout),
1629 accum_tx->agg.ba_timeout,
1630 delta_tx->agg.ba_timeout,
1631 max_tx->agg.ba_timeout);
1632 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1633 "agg ba_resched_frames:",
1634 le32_to_cpu(tx->agg.ba_reschedule_frames),
1635 accum_tx->agg.ba_reschedule_frames,
1636 delta_tx->agg.ba_reschedule_frames,
1637 max_tx->agg.ba_reschedule_frames);
1638 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1639 "agg scd_query_agg_frame:",
1640 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1641 accum_tx->agg.scd_query_agg_frame_cnt,
1642 delta_tx->agg.scd_query_agg_frame_cnt,
1643 max_tx->agg.scd_query_agg_frame_cnt);
1644 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1645 "agg scd_query_no_agg:",
1646 le32_to_cpu(tx->agg.scd_query_no_agg),
1647 accum_tx->agg.scd_query_no_agg,
1648 delta_tx->agg.scd_query_no_agg,
1649 max_tx->agg.scd_query_no_agg);
1650 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1651 "agg scd_query_agg:",
1652 le32_to_cpu(tx->agg.scd_query_agg),
1653 accum_tx->agg.scd_query_agg,
1654 delta_tx->agg.scd_query_agg,
1655 max_tx->agg.scd_query_agg);
1656 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1657 "agg scd_query_mismatch:",
1658 le32_to_cpu(tx->agg.scd_query_mismatch),
1659 accum_tx->agg.scd_query_mismatch,
1660 delta_tx->agg.scd_query_mismatch,
1661 max_tx->agg.scd_query_mismatch);
1662 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1663 "agg frame_not_ready:",
1664 le32_to_cpu(tx->agg.frame_not_ready),
1665 accum_tx->agg.frame_not_ready,
1666 delta_tx->agg.frame_not_ready,
1667 max_tx->agg.frame_not_ready);
1668 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1669 "agg underrun:",
1670 le32_to_cpu(tx->agg.underrun),
1671 accum_tx->agg.underrun,
1672 delta_tx->agg.underrun, max_tx->agg.underrun);
1673 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1674 "agg bt_prio_kill:",
1675 le32_to_cpu(tx->agg.bt_prio_kill),
1676 accum_tx->agg.bt_prio_kill,
1677 delta_tx->agg.bt_prio_kill,
1678 max_tx->agg.bt_prio_kill);
1679 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1680 "agg rx_ba_rsp_cnt:",
1681 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1682 accum_tx->agg.rx_ba_rsp_cnt,
1683 delta_tx->agg.rx_ba_rsp_cnt,
1684 max_tx->agg.rx_ba_rsp_cnt);
1685
1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687 kfree(buf);
1688 return ret;
1689 }
1690
1691 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1692 char __user *user_buf,
1693 size_t count, loff_t *ppos)
1694 {
1695 struct iwl_priv *priv = file->private_data;
1696 int pos = 0;
1697 char *buf;
1698 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1699 ssize_t ret;
1700 struct statistics_general *general, *accum_general;
1701 struct statistics_general *delta_general, *max_general;
1702 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1703 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1704
1705 if (!iwl_is_alive(priv))
1706 return -EAGAIN;
1707
1708 buf = kzalloc(bufsz, GFP_KERNEL);
1709 if (!buf) {
1710 IWL_ERR(priv, "Can not allocate Buffer\n");
1711 return -ENOMEM;
1712 }
1713
1714 /* the statistic information display here is based on
1715 * the last statistics notification from uCode
1716 * might not reflect the current uCode activity
1717 */
1718 general = &priv->statistics.general;
1719 dbg = &priv->statistics.general.dbg;
1720 div = &priv->statistics.general.div;
1721 accum_general = &priv->accum_statistics.general;
1722 delta_general = &priv->delta_statistics.general;
1723 max_general = &priv->max_delta.general;
1724 accum_dbg = &priv->accum_statistics.general.dbg;
1725 delta_dbg = &priv->delta_statistics.general.dbg;
1726 max_dbg = &priv->max_delta.general.dbg;
1727 accum_div = &priv->accum_statistics.general.div;
1728 delta_div = &priv->delta_statistics.general.div;
1729 max_div = &priv->max_delta.general.div;
1730 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1731 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1732 "Statistics_General:");
1733 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1734 "temperature:",
1735 le32_to_cpu(general->temperature));
1736 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1737 "temperature_m:",
1738 le32_to_cpu(general->temperature_m));
1739 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1740 "burst_check:",
1741 le32_to_cpu(dbg->burst_check),
1742 accum_dbg->burst_check,
1743 delta_dbg->burst_check, max_dbg->burst_check);
1744 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1745 "burst_count:",
1746 le32_to_cpu(dbg->burst_count),
1747 accum_dbg->burst_count,
1748 delta_dbg->burst_count, max_dbg->burst_count);
1749 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1750 "sleep_time:",
1751 le32_to_cpu(general->sleep_time),
1752 accum_general->sleep_time,
1753 delta_general->sleep_time, max_general->sleep_time);
1754 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1755 "slots_out:",
1756 le32_to_cpu(general->slots_out),
1757 accum_general->slots_out,
1758 delta_general->slots_out, max_general->slots_out);
1759 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1760 "slots_idle:",
1761 le32_to_cpu(general->slots_idle),
1762 accum_general->slots_idle,
1763 delta_general->slots_idle, max_general->slots_idle);
1764 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1765 le32_to_cpu(general->ttl_timestamp));
1766 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1767 "tx_on_a:",
1768 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1769 delta_div->tx_on_a, max_div->tx_on_a);
1770 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1771 "tx_on_b:",
1772 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1773 delta_div->tx_on_b, max_div->tx_on_b);
1774 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1775 "exec_time:",
1776 le32_to_cpu(div->exec_time), accum_div->exec_time,
1777 delta_div->exec_time, max_div->exec_time);
1778 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1779 "probe_time:",
1780 le32_to_cpu(div->probe_time), accum_div->probe_time,
1781 delta_div->probe_time, max_div->probe_time);
1782 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1783 "rx_enable_counter:",
1784 le32_to_cpu(general->rx_enable_counter),
1785 accum_general->rx_enable_counter,
1786 delta_general->rx_enable_counter,
1787 max_general->rx_enable_counter);
1788 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1789 "num_of_sos_states:",
1790 le32_to_cpu(general->num_of_sos_states),
1791 accum_general->num_of_sos_states,
1792 delta_general->num_of_sos_states,
1793 max_general->num_of_sos_states);
1794 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1795 kfree(buf);
1796 return ret;
1797 }
1798
1799 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1800 char __user *user_buf,
1801 size_t count, loff_t *ppos) {
1802
1803 struct iwl_priv *priv = file->private_data;
1804 int pos = 0;
1805 int cnt = 0;
1806 char *buf;
1807 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1808 ssize_t ret;
1809 struct iwl_sensitivity_data *data;
1810
1811 data = &priv->sensitivity_data;
1812 buf = kzalloc(bufsz, GFP_KERNEL);
1813 if (!buf) {
1814 IWL_ERR(priv, "Can not allocate Buffer\n");
1815 return -ENOMEM;
1816 }
1817
1818 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1819 data->auto_corr_ofdm);
1820 pos += scnprintf(buf + pos, bufsz - pos,
1821 "auto_corr_ofdm_mrc:\t\t %u\n",
1822 data->auto_corr_ofdm_mrc);
1823 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1824 data->auto_corr_ofdm_x1);
1825 pos += scnprintf(buf + pos, bufsz - pos,
1826 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1827 data->auto_corr_ofdm_mrc_x1);
1828 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1829 data->auto_corr_cck);
1830 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1831 data->auto_corr_cck_mrc);
1832 pos += scnprintf(buf + pos, bufsz - pos,
1833 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1834 data->last_bad_plcp_cnt_ofdm);
1835 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1836 data->last_fa_cnt_ofdm);
1837 pos += scnprintf(buf + pos, bufsz - pos,
1838 "last_bad_plcp_cnt_cck:\t\t %u\n",
1839 data->last_bad_plcp_cnt_cck);
1840 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1841 data->last_fa_cnt_cck);
1842 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1843 data->nrg_curr_state);
1844 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1845 data->nrg_prev_state);
1846 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1847 for (cnt = 0; cnt < 10; cnt++) {
1848 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1849 data->nrg_value[cnt]);
1850 }
1851 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1852 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1853 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1854 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1855 data->nrg_silence_rssi[cnt]);
1856 }
1857 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1858 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1859 data->nrg_silence_ref);
1860 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1861 data->nrg_energy_idx);
1862 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1863 data->nrg_silence_idx);
1864 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1865 data->nrg_th_cck);
1866 pos += scnprintf(buf + pos, bufsz - pos,
1867 "nrg_auto_corr_silence_diff:\t %u\n",
1868 data->nrg_auto_corr_silence_diff);
1869 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1870 data->num_in_cck_no_fa);
1871 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1872 data->nrg_th_ofdm);
1873
1874 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1875 kfree(buf);
1876 return ret;
1877 }
1878
1879
1880 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1881 char __user *user_buf,
1882 size_t count, loff_t *ppos) {
1883
1884 struct iwl_priv *priv = file->private_data;
1885 int pos = 0;
1886 int cnt = 0;
1887 char *buf;
1888 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1889 ssize_t ret;
1890 struct iwl_chain_noise_data *data;
1891
1892 data = &priv->chain_noise_data;
1893 buf = kzalloc(bufsz, GFP_KERNEL);
1894 if (!buf) {
1895 IWL_ERR(priv, "Can not allocate Buffer\n");
1896 return -ENOMEM;
1897 }
1898
1899 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1900 data->active_chains);
1901 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1902 data->chain_noise_a);
1903 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1904 data->chain_noise_b);
1905 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1906 data->chain_noise_c);
1907 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1908 data->chain_signal_a);
1909 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1910 data->chain_signal_b);
1911 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1912 data->chain_signal_c);
1913 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1914 data->beacon_count);
1915
1916 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1917 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1918 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1919 data->disconn_array[cnt]);
1920 }
1921 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1922 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1923 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1924 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1925 data->delta_gain_code[cnt]);
1926 }
1927 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1928 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1929 data->radio_write);
1930 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1931 data->state);
1932
1933 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1934 kfree(buf);
1935 return ret;
1936 }
1937
1938 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1939 char __user *user_buf,
1940 size_t count, loff_t *ppos) {
1941
1942 struct iwl_priv *priv = file->private_data;
1943 char buf[128];
1944 int pos = 0;
1945 const size_t bufsz = sizeof(buf);
1946 struct statistics_tx *tx;
1947
1948 if (!iwl_is_alive(priv))
1949 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1950 else {
1951 tx = &priv->statistics.tx;
1952 if (tx->tx_power.ant_a ||
1953 tx->tx_power.ant_b ||
1954 tx->tx_power.ant_c) {
1955 pos += scnprintf(buf + pos, bufsz - pos,
1956 "tx power: (1/2 dB step)\n");
1957 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1958 tx->tx_power.ant_a)
1959 pos += scnprintf(buf + pos, bufsz - pos,
1960 "\tantenna A: 0x%X\n",
1961 tx->tx_power.ant_a);
1962 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1963 tx->tx_power.ant_b)
1964 pos += scnprintf(buf + pos, bufsz - pos,
1965 "\tantenna B: 0x%X\n",
1966 tx->tx_power.ant_b);
1967 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1968 tx->tx_power.ant_c)
1969 pos += scnprintf(buf + pos, bufsz - pos,
1970 "\tantenna C: 0x%X\n",
1971 tx->tx_power.ant_c);
1972 } else
1973 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1974 }
1975 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1976 }
1977
1978 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1979 char __user *user_buf,
1980 size_t count, loff_t *ppos)
1981 {
1982 struct iwl_priv *priv = file->private_data;
1983 char buf[60];
1984 int pos = 0;
1985 const size_t bufsz = sizeof(buf);
1986 u32 pwrsave_status;
1987
1988 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1989 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1990
1991 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1992 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1993 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1994 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1995 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1996 "error");
1997
1998 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1999 }
2000
2001 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2002 const char __user *user_buf,
2003 size_t count, loff_t *ppos)
2004 {
2005 struct iwl_priv *priv = file->private_data;
2006 char buf[8];
2007 int buf_size;
2008 int clear;
2009
2010 memset(buf, 0, sizeof(buf));
2011 buf_size = min(count, sizeof(buf) - 1);
2012 if (copy_from_user(buf, user_buf, buf_size))
2013 return -EFAULT;
2014 if (sscanf(buf, "%d", &clear) != 1)
2015 return -EFAULT;
2016
2017 /* make request to uCode to retrieve statistics information */
2018 mutex_lock(&priv->mutex);
2019 iwl_send_statistics_request(priv, CMD_SYNC, true);
2020 mutex_unlock(&priv->mutex);
2021
2022 return count;
2023 }
2024
2025 static ssize_t iwl_dbgfs_csr_write(struct file *file,
2026 const char __user *user_buf,
2027 size_t count, loff_t *ppos)
2028 {
2029 struct iwl_priv *priv = file->private_data;
2030 char buf[8];
2031 int buf_size;
2032 int csr;
2033
2034 memset(buf, 0, sizeof(buf));
2035 buf_size = min(count, sizeof(buf) - 1);
2036 if (copy_from_user(buf, user_buf, buf_size))
2037 return -EFAULT;
2038 if (sscanf(buf, "%d", &csr) != 1)
2039 return -EFAULT;
2040
2041 if (priv->cfg->ops->lib->dump_csr)
2042 priv->cfg->ops->lib->dump_csr(priv);
2043
2044 return count;
2045 }
2046
2047 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2048 char __user *user_buf,
2049 size_t count, loff_t *ppos) {
2050
2051 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2052 int pos = 0;
2053 char buf[128];
2054 const size_t bufsz = sizeof(buf);
2055 ssize_t ret;
2056
2057 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2058 priv->event_log.ucode_trace ? "On" : "Off");
2059 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2060 priv->event_log.non_wraps_count);
2061 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2062 priv->event_log.wraps_once_count);
2063 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2064 priv->event_log.wraps_more_count);
2065
2066 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2067 return ret;
2068 }
2069
2070 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2071 const char __user *user_buf,
2072 size_t count, loff_t *ppos)
2073 {
2074 struct iwl_priv *priv = file->private_data;
2075 char buf[8];
2076 int buf_size;
2077 int trace;
2078
2079 memset(buf, 0, sizeof(buf));
2080 buf_size = min(count, sizeof(buf) - 1);
2081 if (copy_from_user(buf, user_buf, buf_size))
2082 return -EFAULT;
2083 if (sscanf(buf, "%d", &trace) != 1)
2084 return -EFAULT;
2085
2086 if (trace) {
2087 priv->event_log.ucode_trace = true;
2088 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2089 mod_timer(&priv->ucode_trace,
2090 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2091 } else {
2092 priv->event_log.ucode_trace = false;
2093 del_timer_sync(&priv->ucode_trace);
2094 }
2095
2096 return count;
2097 }
2098
2099 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2100 char __user *user_buf,
2101 size_t count, loff_t *ppos)
2102 {
2103 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2104 char *buf;
2105 int pos = 0;
2106 ssize_t ret = -EFAULT;
2107
2108 if (priv->cfg->ops->lib->dump_fh) {
2109 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
2110 if (buf) {
2111 ret = simple_read_from_buffer(user_buf,
2112 count, ppos, buf, pos);
2113 kfree(buf);
2114 }
2115 }
2116
2117 return ret;
2118 }
2119
2120 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2121 char __user *user_buf,
2122 size_t count, loff_t *ppos) {
2123
2124 struct iwl_priv *priv = file->private_data;
2125 int pos = 0;
2126 char buf[12];
2127 const size_t bufsz = sizeof(buf);
2128 ssize_t ret;
2129
2130 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2131 priv->missed_beacon_threshold);
2132
2133 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2134 return ret;
2135 }
2136
2137 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2138 const char __user *user_buf,
2139 size_t count, loff_t *ppos)
2140 {
2141 struct iwl_priv *priv = file->private_data;
2142 char buf[8];
2143 int buf_size;
2144 int missed;
2145
2146 memset(buf, 0, sizeof(buf));
2147 buf_size = min(count, sizeof(buf) - 1);
2148 if (copy_from_user(buf, user_buf, buf_size))
2149 return -EFAULT;
2150 if (sscanf(buf, "%d", &missed) != 1)
2151 return -EINVAL;
2152
2153 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2154 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2155 priv->missed_beacon_threshold =
2156 IWL_MISSED_BEACON_THRESHOLD_DEF;
2157 else
2158 priv->missed_beacon_threshold = missed;
2159
2160 return count;
2161 }
2162
2163 static ssize_t iwl_dbgfs_internal_scan_write(struct file *file,
2164 const char __user *user_buf,
2165 size_t count, loff_t *ppos)
2166 {
2167 struct iwl_priv *priv = file->private_data;
2168 char buf[8];
2169 int buf_size;
2170 int scan;
2171
2172 memset(buf, 0, sizeof(buf));
2173 buf_size = min(count, sizeof(buf) - 1);
2174 if (copy_from_user(buf, user_buf, buf_size))
2175 return -EFAULT;
2176 if (sscanf(buf, "%d", &scan) != 1)
2177 return -EINVAL;
2178
2179 iwl_internal_short_hw_scan(priv);
2180
2181 return count;
2182 }
2183
2184 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2185 char __user *user_buf,
2186 size_t count, loff_t *ppos) {
2187
2188 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2189 int pos = 0;
2190 char buf[12];
2191 const size_t bufsz = sizeof(buf);
2192 ssize_t ret;
2193
2194 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2195 priv->cfg->plcp_delta_threshold);
2196
2197 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2198 return ret;
2199 }
2200
2201 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2202 const char __user *user_buf,
2203 size_t count, loff_t *ppos) {
2204
2205 struct iwl_priv *priv = file->private_data;
2206 char buf[8];
2207 int buf_size;
2208 int plcp;
2209
2210 memset(buf, 0, sizeof(buf));
2211 buf_size = min(count, sizeof(buf) - 1);
2212 if (copy_from_user(buf, user_buf, buf_size))
2213 return -EFAULT;
2214 if (sscanf(buf, "%d", &plcp) != 1)
2215 return -EINVAL;
2216 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2217 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2218 priv->cfg->plcp_delta_threshold =
2219 IWL_MAX_PLCP_ERR_THRESHOLD_DEF;
2220 else
2221 priv->cfg->plcp_delta_threshold = plcp;
2222 return count;
2223 }
2224
2225 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2226 char __user *user_buf,
2227 size_t count, loff_t *ppos) {
2228
2229 struct iwl_priv *priv = file->private_data;
2230 int i, pos = 0;
2231 char buf[300];
2232 const size_t bufsz = sizeof(buf);
2233 struct iwl_force_reset *force_reset;
2234
2235 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2236 force_reset = &priv->force_reset[i];
2237 pos += scnprintf(buf + pos, bufsz - pos,
2238 "Force reset method %d\n", i);
2239 pos += scnprintf(buf + pos, bufsz - pos,
2240 "\tnumber of reset request: %d\n",
2241 force_reset->reset_request_count);
2242 pos += scnprintf(buf + pos, bufsz - pos,
2243 "\tnumber of reset request success: %d\n",
2244 force_reset->reset_success_count);
2245 pos += scnprintf(buf + pos, bufsz - pos,
2246 "\tnumber of reset request reject: %d\n",
2247 force_reset->reset_reject_count);
2248 pos += scnprintf(buf + pos, bufsz - pos,
2249 "\treset duration: %lu\n",
2250 force_reset->reset_duration);
2251 }
2252 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2253 }
2254
2255 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2256 const char __user *user_buf,
2257 size_t count, loff_t *ppos) {
2258
2259 struct iwl_priv *priv = file->private_data;
2260 char buf[8];
2261 int buf_size;
2262 int reset, ret;
2263
2264 memset(buf, 0, sizeof(buf));
2265 buf_size = min(count, sizeof(buf) - 1);
2266 if (copy_from_user(buf, user_buf, buf_size))
2267 return -EFAULT;
2268 if (sscanf(buf, "%d", &reset) != 1)
2269 return -EINVAL;
2270 switch (reset) {
2271 case IWL_RF_RESET:
2272 case IWL_FW_RESET:
2273 ret = iwl_force_reset(priv, reset);
2274 break;
2275 default:
2276 return -EINVAL;
2277 }
2278 return ret ? ret : count;
2279 }
2280
2281 DEBUGFS_READ_FILE_OPS(rx_statistics);
2282 DEBUGFS_READ_FILE_OPS(tx_statistics);
2283 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2284 DEBUGFS_READ_FILE_OPS(rx_queue);
2285 DEBUGFS_READ_FILE_OPS(tx_queue);
2286 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2287 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2288 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2289 DEBUGFS_READ_FILE_OPS(sensitivity);
2290 DEBUGFS_READ_FILE_OPS(chain_noise);
2291 DEBUGFS_READ_FILE_OPS(tx_power);
2292 DEBUGFS_READ_FILE_OPS(power_save_status);
2293 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2294 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2295 DEBUGFS_WRITE_FILE_OPS(csr);
2296 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2297 DEBUGFS_READ_FILE_OPS(fh_reg);
2298 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2299 DEBUGFS_WRITE_FILE_OPS(internal_scan);
2300 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2301 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2302
2303 /*
2304 * Create the debugfs files and directories
2305 *
2306 */
2307 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2308 {
2309 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2310 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2311
2312 dir_drv = debugfs_create_dir(name, phyd);
2313 if (!dir_drv)
2314 return -ENOMEM;
2315
2316 priv->debugfs_dir = dir_drv;
2317
2318 dir_data = debugfs_create_dir("data", dir_drv);
2319 if (!dir_data)
2320 goto err;
2321 dir_rf = debugfs_create_dir("rf", dir_drv);
2322 if (!dir_rf)
2323 goto err;
2324 dir_debug = debugfs_create_dir("debug", dir_drv);
2325 if (!dir_debug)
2326 goto err;
2327
2328 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2329 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2330 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2331 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2332 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2333 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2334 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2335 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2336 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
2337 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2338 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2339 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2340 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2341 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2342 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2343 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2344 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2345 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
2346 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR);
2347 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2348 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2349 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2350 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2351 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2352 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2353 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR);
2354 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2355 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2356 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
2357 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2358 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2359 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2360 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2361 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2362 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2363 }
2364 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal);
2365 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2366 &priv->disable_chain_noise_cal);
2367 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2368 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2369 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
2370 &priv->disable_tx_power_cal);
2371 return 0;
2372
2373 err:
2374 IWL_ERR(priv, "Can't create the debugfs directory\n");
2375 iwl_dbgfs_unregister(priv);
2376 return -ENOMEM;
2377 }
2378 EXPORT_SYMBOL(iwl_dbgfs_register);
2379
2380 /**
2381 * Remove the debugfs files and directories
2382 *
2383 */
2384 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2385 {
2386 if (!priv->debugfs_dir)
2387 return;
2388
2389 debugfs_remove_recursive(priv->debugfs_dir);
2390 priv->debugfs_dir = NULL;
2391 }
2392 EXPORT_SYMBOL(iwl_dbgfs_unregister);
2393
2394
2395
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