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iwlagn: wait for asynchronous firmware loading
[mirror_ubuntu-artful-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/kernel.h>
30 #include <linux/module.h>
31 #include <linux/debugfs.h>
32
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
35
36
37 #include "iwl-dev.h"
38 #include "iwl-debug.h"
39 #include "iwl-core.h"
40 #include "iwl-io.h"
41 #include "iwl-calib.h"
42
43 /* create and remove of files */
44 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
45 if (!debugfs_create_file(#name, mode, parent, priv, \
46 &iwl_dbgfs_##name##_ops)) \
47 goto err; \
48 } while (0)
49
50 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
51 struct dentry *__tmp; \
52 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
53 parent, ptr); \
54 if (IS_ERR(__tmp) || !__tmp) \
55 goto err; \
56 } while (0)
57
58 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
59 struct dentry *__tmp; \
60 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
61 parent, ptr); \
62 if (IS_ERR(__tmp) || !__tmp) \
63 goto err; \
64 } while (0)
65
66 /* file operation */
67 #define DEBUGFS_READ_FUNC(name) \
68 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
69 char __user *user_buf, \
70 size_t count, loff_t *ppos);
71
72 #define DEBUGFS_WRITE_FUNC(name) \
73 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
74 const char __user *user_buf, \
75 size_t count, loff_t *ppos);
76
77
78 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
79 {
80 file->private_data = inode->i_private;
81 return 0;
82 }
83
84 #define DEBUGFS_READ_FILE_OPS(name) \
85 DEBUGFS_READ_FUNC(name); \
86 static const struct file_operations iwl_dbgfs_##name##_ops = { \
87 .read = iwl_dbgfs_##name##_read, \
88 .open = iwl_dbgfs_open_file_generic, \
89 };
90
91 #define DEBUGFS_WRITE_FILE_OPS(name) \
92 DEBUGFS_WRITE_FUNC(name); \
93 static const struct file_operations iwl_dbgfs_##name##_ops = { \
94 .write = iwl_dbgfs_##name##_write, \
95 .open = iwl_dbgfs_open_file_generic, \
96 };
97
98
99 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101 DEBUGFS_WRITE_FUNC(name); \
102 static const struct file_operations iwl_dbgfs_##name##_ops = { \
103 .write = iwl_dbgfs_##name##_write, \
104 .read = iwl_dbgfs_##name##_read, \
105 .open = iwl_dbgfs_open_file_generic, \
106 };
107
108
109 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
110 char __user *user_buf,
111 size_t count, loff_t *ppos) {
112
113 struct iwl_priv *priv = file->private_data;
114 char *buf;
115 int pos = 0;
116
117 int cnt;
118 ssize_t ret;
119 const size_t bufsz = 100 +
120 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
121 buf = kzalloc(bufsz, GFP_KERNEL);
122 if (!buf)
123 return -ENOMEM;
124 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
125 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
126 pos += scnprintf(buf + pos, bufsz - pos,
127 "\t%25s\t\t: %u\n",
128 get_mgmt_string(cnt),
129 priv->tx_stats.mgmt[cnt]);
130 }
131 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
132 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
133 pos += scnprintf(buf + pos, bufsz - pos,
134 "\t%25s\t\t: %u\n",
135 get_ctrl_string(cnt),
136 priv->tx_stats.ctrl[cnt]);
137 }
138 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
139 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
140 priv->tx_stats.data_cnt);
141 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
142 priv->tx_stats.data_bytes);
143 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
144 kfree(buf);
145 return ret;
146 }
147
148 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
149 const char __user *user_buf,
150 size_t count, loff_t *ppos)
151 {
152 struct iwl_priv *priv = file->private_data;
153 u32 clear_flag;
154 char buf[8];
155 int buf_size;
156
157 memset(buf, 0, sizeof(buf));
158 buf_size = min(count, sizeof(buf) - 1);
159 if (copy_from_user(buf, user_buf, buf_size))
160 return -EFAULT;
161 if (sscanf(buf, "%x", &clear_flag) != 1)
162 return -EFAULT;
163 iwl_clear_traffic_stats(priv);
164
165 return count;
166 }
167
168 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
169 char __user *user_buf,
170 size_t count, loff_t *ppos) {
171
172 struct iwl_priv *priv = file->private_data;
173 char *buf;
174 int pos = 0;
175 int cnt;
176 ssize_t ret;
177 const size_t bufsz = 100 +
178 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
179 buf = kzalloc(bufsz, GFP_KERNEL);
180 if (!buf)
181 return -ENOMEM;
182
183 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
184 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
185 pos += scnprintf(buf + pos, bufsz - pos,
186 "\t%25s\t\t: %u\n",
187 get_mgmt_string(cnt),
188 priv->rx_stats.mgmt[cnt]);
189 }
190 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
191 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
192 pos += scnprintf(buf + pos, bufsz - pos,
193 "\t%25s\t\t: %u\n",
194 get_ctrl_string(cnt),
195 priv->rx_stats.ctrl[cnt]);
196 }
197 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
198 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
199 priv->rx_stats.data_cnt);
200 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
201 priv->rx_stats.data_bytes);
202
203 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
204 kfree(buf);
205 return ret;
206 }
207
208 #define BYTE1_MASK 0x000000ff;
209 #define BYTE2_MASK 0x0000ffff;
210 #define BYTE3_MASK 0x00ffffff;
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;
216 char *buf;
217 ssize_t ret;
218 int i;
219 int pos = 0;
220 struct iwl_priv *priv = file->private_data;
221 size_t bufsz;
222
223 /* default is to dump the entire data segment */
224 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
225 priv->dbgfs_sram_offset = 0x800000;
226 if (priv->ucode_type == UCODE_INIT)
227 priv->dbgfs_sram_len = priv->ucode_init_data.len;
228 else
229 priv->dbgfs_sram_len = priv->ucode_data.len;
230 }
231 bufsz = 30 + priv->dbgfs_sram_len * sizeof(char) * 10;
232 buf = kmalloc(bufsz, GFP_KERNEL);
233 if (!buf)
234 return -ENOMEM;
235 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
236 priv->dbgfs_sram_len);
237 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
238 priv->dbgfs_sram_offset);
239 for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
240 val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
241 priv->dbgfs_sram_len - i);
242 if (i < 4) {
243 switch (i) {
244 case 1:
245 val &= BYTE1_MASK;
246 break;
247 case 2:
248 val &= BYTE2_MASK;
249 break;
250 case 3:
251 val &= BYTE3_MASK;
252 break;
253 }
254 }
255 if (!(i % 16))
256 pos += scnprintf(buf + pos, bufsz - pos, "\n");
257 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
258 }
259 pos += scnprintf(buf + pos, bufsz - pos, "\n");
260
261 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
262 kfree(buf);
263 return ret;
264 }
265
266 static ssize_t iwl_dbgfs_sram_write(struct file *file,
267 const char __user *user_buf,
268 size_t count, loff_t *ppos)
269 {
270 struct iwl_priv *priv = file->private_data;
271 char buf[64];
272 int buf_size;
273 u32 offset, len;
274
275 memset(buf, 0, sizeof(buf));
276 buf_size = min(count, sizeof(buf) - 1);
277 if (copy_from_user(buf, user_buf, buf_size))
278 return -EFAULT;
279
280 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
281 priv->dbgfs_sram_offset = offset;
282 priv->dbgfs_sram_len = len;
283 } else {
284 priv->dbgfs_sram_offset = 0;
285 priv->dbgfs_sram_len = 0;
286 }
287
288 return count;
289 }
290
291 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
292 size_t count, loff_t *ppos)
293 {
294 struct iwl_priv *priv = file->private_data;
295 struct iwl_station_entry *station;
296 int max_sta = priv->hw_params.max_stations;
297 char *buf;
298 int i, j, pos = 0;
299 ssize_t ret;
300 /* Add 30 for initial string */
301 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
302
303 buf = kmalloc(bufsz, GFP_KERNEL);
304 if (!buf)
305 return -ENOMEM;
306
307 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
308 priv->num_stations);
309
310 for (i = 0; i < max_sta; i++) {
311 station = &priv->stations[i];
312 if (station->used) {
313 pos += scnprintf(buf + pos, bufsz - pos,
314 "station %d:\ngeneral data:\n", i+1);
315 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
316 station->sta.sta.sta_id);
317 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
318 station->sta.mode);
319 pos += scnprintf(buf + pos, bufsz - pos,
320 "flags: 0x%x\n",
321 station->sta.station_flags_msk);
322 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
323 pos += scnprintf(buf + pos, bufsz - pos,
324 "seq_num\t\ttxq_id");
325 pos += scnprintf(buf + pos, bufsz - pos,
326 "\tframe_count\twait_for_ba\t");
327 pos += scnprintf(buf + pos, bufsz - pos,
328 "start_idx\tbitmap0\t");
329 pos += scnprintf(buf + pos, bufsz - pos,
330 "bitmap1\trate_n_flags");
331 pos += scnprintf(buf + pos, bufsz - pos, "\n");
332
333 for (j = 0; j < MAX_TID_COUNT; j++) {
334 pos += scnprintf(buf + pos, bufsz - pos,
335 "[%d]:\t\t%u", j,
336 station->tid[j].seq_number);
337 pos += scnprintf(buf + pos, bufsz - pos,
338 "\t%u\t\t%u\t\t%u\t\t",
339 station->tid[j].agg.txq_id,
340 station->tid[j].agg.frame_count,
341 station->tid[j].agg.wait_for_ba);
342 pos += scnprintf(buf + pos, bufsz - pos,
343 "%u\t%llu\t%u",
344 station->tid[j].agg.start_idx,
345 (unsigned long long)station->tid[j].agg.bitmap,
346 station->tid[j].agg.rate_n_flags);
347 pos += scnprintf(buf + pos, bufsz - pos, "\n");
348 }
349 pos += scnprintf(buf + pos, bufsz - pos, "\n");
350 }
351 }
352
353 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
354 kfree(buf);
355 return ret;
356 }
357
358 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
359 char __user *user_buf,
360 size_t count,
361 loff_t *ppos)
362 {
363 ssize_t ret;
364 struct iwl_priv *priv = file->private_data;
365 int pos = 0, ofs = 0, buf_size = 0;
366 const u8 *ptr;
367 char *buf;
368 u16 eeprom_ver;
369 size_t eeprom_len = priv->cfg->eeprom_size;
370 buf_size = 4 * eeprom_len + 256;
371
372 if (eeprom_len % 16) {
373 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
374 return -ENODATA;
375 }
376
377 ptr = priv->eeprom;
378 if (!ptr) {
379 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
380 return -ENOMEM;
381 }
382
383 /* 4 characters for byte 0xYY */
384 buf = kzalloc(buf_size, GFP_KERNEL);
385 if (!buf) {
386 IWL_ERR(priv, "Can not allocate Buffer\n");
387 return -ENOMEM;
388 }
389 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
390 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
391 "version: 0x%x\n",
392 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
393 ? "OTP" : "EEPROM", eeprom_ver);
394 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
395 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
396 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
397 buf_size - pos, 0);
398 pos += strlen(buf + pos);
399 if (buf_size - pos > 0)
400 buf[pos++] = '\n';
401 }
402
403 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
404 kfree(buf);
405 return ret;
406 }
407
408 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
409 char __user *user_buf,
410 size_t count, loff_t *ppos)
411 {
412 struct iwl_priv *priv = file->private_data;
413 char *buf;
414 int pos = 0;
415 ssize_t ret = -ENOMEM;
416
417 ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
418 priv, true, &buf, true);
419 if (buf) {
420 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
421 kfree(buf);
422 }
423 return ret;
424 }
425
426 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
427 const char __user *user_buf,
428 size_t count, loff_t *ppos)
429 {
430 struct iwl_priv *priv = file->private_data;
431 u32 event_log_flag;
432 char buf[8];
433 int buf_size;
434
435 memset(buf, 0, sizeof(buf));
436 buf_size = min(count, sizeof(buf) - 1);
437 if (copy_from_user(buf, user_buf, buf_size))
438 return -EFAULT;
439 if (sscanf(buf, "%d", &event_log_flag) != 1)
440 return -EFAULT;
441 if (event_log_flag == 1)
442 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
443 NULL, false);
444
445 return count;
446 }
447
448
449
450 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
451 size_t count, loff_t *ppos)
452 {
453 struct iwl_priv *priv = file->private_data;
454 struct ieee80211_channel *channels = NULL;
455 const struct ieee80211_supported_band *supp_band = NULL;
456 int pos = 0, i, bufsz = PAGE_SIZE;
457 char *buf;
458 ssize_t ret;
459
460 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
461 return -EAGAIN;
462
463 buf = kzalloc(bufsz, GFP_KERNEL);
464 if (!buf) {
465 IWL_ERR(priv, "Can not allocate Buffer\n");
466 return -ENOMEM;
467 }
468
469 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
470 if (supp_band) {
471 channels = supp_band->channels;
472
473 pos += scnprintf(buf + pos, bufsz - pos,
474 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
475 supp_band->n_channels);
476
477 for (i = 0; i < supp_band->n_channels; i++)
478 pos += scnprintf(buf + pos, bufsz - pos,
479 "%d: %ddBm: BSS%s%s, %s.\n",
480 ieee80211_frequency_to_channel(
481 channels[i].center_freq),
482 channels[i].max_power,
483 channels[i].flags & IEEE80211_CHAN_RADAR ?
484 " (IEEE 802.11h required)" : "",
485 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
486 || (channels[i].flags &
487 IEEE80211_CHAN_RADAR)) ? "" :
488 ", IBSS",
489 channels[i].flags &
490 IEEE80211_CHAN_PASSIVE_SCAN ?
491 "passive only" : "active/passive");
492 }
493 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
494 if (supp_band) {
495 channels = supp_band->channels;
496
497 pos += scnprintf(buf + pos, bufsz - pos,
498 "Displaying %d channels in 5.2GHz band (802.11a)\n",
499 supp_band->n_channels);
500
501 for (i = 0; i < supp_band->n_channels; i++)
502 pos += scnprintf(buf + pos, bufsz - pos,
503 "%d: %ddBm: BSS%s%s, %s.\n",
504 ieee80211_frequency_to_channel(
505 channels[i].center_freq),
506 channels[i].max_power,
507 channels[i].flags & IEEE80211_CHAN_RADAR ?
508 " (IEEE 802.11h required)" : "",
509 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
510 || (channels[i].flags &
511 IEEE80211_CHAN_RADAR)) ? "" :
512 ", IBSS",
513 channels[i].flags &
514 IEEE80211_CHAN_PASSIVE_SCAN ?
515 "passive only" : "active/passive");
516 }
517 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
518 kfree(buf);
519 return ret;
520 }
521
522 static ssize_t iwl_dbgfs_status_read(struct file *file,
523 char __user *user_buf,
524 size_t count, loff_t *ppos) {
525
526 struct iwl_priv *priv = file->private_data;
527 char buf[512];
528 int pos = 0;
529 const size_t bufsz = sizeof(buf);
530
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
532 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
534 test_bit(STATUS_INT_ENABLED, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
536 test_bit(STATUS_RF_KILL_HW, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
538 test_bit(STATUS_CT_KILL, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
540 test_bit(STATUS_INIT, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
542 test_bit(STATUS_ALIVE, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
544 test_bit(STATUS_READY, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
546 test_bit(STATUS_TEMPERATURE, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
548 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
550 test_bit(STATUS_EXIT_PENDING, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
552 test_bit(STATUS_STATISTICS, &priv->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
554 test_bit(STATUS_SCANNING, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
556 test_bit(STATUS_SCAN_ABORTING, &priv->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
558 test_bit(STATUS_SCAN_HW, &priv->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
560 test_bit(STATUS_POWER_PMI, &priv->status));
561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
562 test_bit(STATUS_FW_ERROR, &priv->status));
563 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
564 test_bit(STATUS_MODE_PENDING, &priv->status));
565 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
566 }
567
568 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
569 char __user *user_buf,
570 size_t count, loff_t *ppos) {
571
572 struct iwl_priv *priv = file->private_data;
573 int pos = 0;
574 int cnt = 0;
575 char *buf;
576 int bufsz = 24 * 64; /* 24 items * 64 char per item */
577 ssize_t ret;
578
579 buf = kzalloc(bufsz, GFP_KERNEL);
580 if (!buf) {
581 IWL_ERR(priv, "Can not allocate Buffer\n");
582 return -ENOMEM;
583 }
584
585 pos += scnprintf(buf + pos, bufsz - pos,
586 "Interrupt Statistics Report:\n");
587
588 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
589 priv->isr_stats.hw);
590 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
591 priv->isr_stats.sw);
592 if (priv->isr_stats.sw > 0) {
593 pos += scnprintf(buf + pos, bufsz - pos,
594 "\tLast Restarting Code: 0x%X\n",
595 priv->isr_stats.sw_err);
596 }
597 #ifdef CONFIG_IWLWIFI_DEBUG
598 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
599 priv->isr_stats.sch);
600 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
601 priv->isr_stats.alive);
602 #endif
603 pos += scnprintf(buf + pos, bufsz - pos,
604 "HW RF KILL switch toggled:\t %u\n",
605 priv->isr_stats.rfkill);
606
607 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
608 priv->isr_stats.ctkill);
609
610 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
611 priv->isr_stats.wakeup);
612
613 pos += scnprintf(buf + pos, bufsz - pos,
614 "Rx command responses:\t\t %u\n",
615 priv->isr_stats.rx);
616 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
617 if (priv->isr_stats.rx_handlers[cnt] > 0)
618 pos += scnprintf(buf + pos, bufsz - pos,
619 "\tRx handler[%36s]:\t\t %u\n",
620 get_cmd_string(cnt),
621 priv->isr_stats.rx_handlers[cnt]);
622 }
623
624 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
625 priv->isr_stats.tx);
626
627 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
628 priv->isr_stats.unhandled);
629
630 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
631 kfree(buf);
632 return ret;
633 }
634
635 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
636 const char __user *user_buf,
637 size_t count, loff_t *ppos)
638 {
639 struct iwl_priv *priv = file->private_data;
640 char buf[8];
641 int buf_size;
642 u32 reset_flag;
643
644 memset(buf, 0, sizeof(buf));
645 buf_size = min(count, sizeof(buf) - 1);
646 if (copy_from_user(buf, user_buf, buf_size))
647 return -EFAULT;
648 if (sscanf(buf, "%x", &reset_flag) != 1)
649 return -EFAULT;
650 if (reset_flag == 0)
651 iwl_clear_isr_stats(priv);
652
653 return count;
654 }
655
656 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
657 size_t count, loff_t *ppos)
658 {
659 struct iwl_priv *priv = file->private_data;
660 int pos = 0, i;
661 char buf[256];
662 const size_t bufsz = sizeof(buf);
663 ssize_t ret;
664
665 for (i = 0; i < AC_NUM; i++) {
666 pos += scnprintf(buf + pos, bufsz - pos,
667 "\tcw_min\tcw_max\taifsn\ttxop\n");
668 pos += scnprintf(buf + pos, bufsz - pos,
669 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
670 priv->qos_data.def_qos_parm.ac[i].cw_min,
671 priv->qos_data.def_qos_parm.ac[i].cw_max,
672 priv->qos_data.def_qos_parm.ac[i].aifsn,
673 priv->qos_data.def_qos_parm.ac[i].edca_txop);
674 }
675 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
676 return ret;
677 }
678
679 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
680 size_t count, loff_t *ppos)
681 {
682 struct iwl_priv *priv = file->private_data;
683 int pos = 0;
684 char buf[256];
685 const size_t bufsz = sizeof(buf);
686 ssize_t ret;
687
688 pos += scnprintf(buf + pos, bufsz - pos,
689 "allow blinking: %s\n",
690 (priv->allow_blinking) ? "True" : "False");
691 if (priv->allow_blinking) {
692 pos += scnprintf(buf + pos, bufsz - pos,
693 "Led blinking rate: %u\n",
694 priv->last_blink_rate);
695 pos += scnprintf(buf + pos, bufsz - pos,
696 "Last blink time: %lu\n",
697 priv->last_blink_time);
698 }
699
700 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
701 return ret;
702 }
703
704 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
705 char __user *user_buf,
706 size_t count, loff_t *ppos)
707 {
708 struct iwl_priv *priv = file->private_data;
709 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
710 struct iwl_tt_restriction *restriction;
711 char buf[100];
712 int pos = 0;
713 const size_t bufsz = sizeof(buf);
714 ssize_t ret;
715
716 pos += scnprintf(buf + pos, bufsz - pos,
717 "Thermal Throttling Mode: %s\n",
718 tt->advanced_tt ? "Advance" : "Legacy");
719 pos += scnprintf(buf + pos, bufsz - pos,
720 "Thermal Throttling State: %d\n",
721 tt->state);
722 if (tt->advanced_tt) {
723 restriction = tt->restriction + tt->state;
724 pos += scnprintf(buf + pos, bufsz - pos,
725 "Tx mode: %d\n",
726 restriction->tx_stream);
727 pos += scnprintf(buf + pos, bufsz - pos,
728 "Rx mode: %d\n",
729 restriction->rx_stream);
730 pos += scnprintf(buf + pos, bufsz - pos,
731 "HT mode: %d\n",
732 restriction->is_ht);
733 }
734 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
735 return ret;
736 }
737
738 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
739 const char __user *user_buf,
740 size_t count, loff_t *ppos)
741 {
742 struct iwl_priv *priv = file->private_data;
743 char buf[8];
744 int buf_size;
745 int ht40;
746
747 memset(buf, 0, sizeof(buf));
748 buf_size = min(count, sizeof(buf) - 1);
749 if (copy_from_user(buf, user_buf, buf_size))
750 return -EFAULT;
751 if (sscanf(buf, "%d", &ht40) != 1)
752 return -EFAULT;
753 if (!iwl_is_associated(priv))
754 priv->disable_ht40 = ht40 ? true : false;
755 else {
756 IWL_ERR(priv, "Sta associated with AP - "
757 "Change to 40MHz channel support is not allowed\n");
758 return -EINVAL;
759 }
760
761 return count;
762 }
763
764 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
765 char __user *user_buf,
766 size_t count, loff_t *ppos)
767 {
768 struct iwl_priv *priv = file->private_data;
769 char buf[100];
770 int pos = 0;
771 const size_t bufsz = sizeof(buf);
772 ssize_t ret;
773
774 pos += scnprintf(buf + pos, bufsz - pos,
775 "11n 40MHz Mode: %s\n",
776 priv->disable_ht40 ? "Disabled" : "Enabled");
777 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
778 return ret;
779 }
780
781 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
782 const char __user *user_buf,
783 size_t count, loff_t *ppos)
784 {
785 struct iwl_priv *priv = file->private_data;
786 char buf[8];
787 int buf_size;
788 int value;
789
790 memset(buf, 0, sizeof(buf));
791 buf_size = min(count, sizeof(buf) - 1);
792 if (copy_from_user(buf, user_buf, buf_size))
793 return -EFAULT;
794
795 if (sscanf(buf, "%d", &value) != 1)
796 return -EINVAL;
797
798 /*
799 * Our users expect 0 to be "CAM", but 0 isn't actually
800 * valid here. However, let's not confuse them and present
801 * IWL_POWER_INDEX_1 as "1", not "0".
802 */
803 if (value == 0)
804 return -EINVAL;
805 else if (value > 0)
806 value -= 1;
807
808 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
809 return -EINVAL;
810
811 if (!iwl_is_ready_rf(priv))
812 return -EAGAIN;
813
814 priv->power_data.debug_sleep_level_override = value;
815
816 mutex_lock(&priv->mutex);
817 iwl_power_update_mode(priv, true);
818 mutex_unlock(&priv->mutex);
819
820 return count;
821 }
822
823 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
824 char __user *user_buf,
825 size_t count, loff_t *ppos)
826 {
827 struct iwl_priv *priv = file->private_data;
828 char buf[10];
829 int pos, value;
830 const size_t bufsz = sizeof(buf);
831
832 /* see the write function */
833 value = priv->power_data.debug_sleep_level_override;
834 if (value >= 0)
835 value += 1;
836
837 pos = scnprintf(buf, bufsz, "%d\n", value);
838 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
839 }
840
841 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
842 char __user *user_buf,
843 size_t count, loff_t *ppos)
844 {
845 struct iwl_priv *priv = file->private_data;
846 char buf[200];
847 int pos = 0, i;
848 const size_t bufsz = sizeof(buf);
849 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
850
851 pos += scnprintf(buf + pos, bufsz - pos,
852 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
853 pos += scnprintf(buf + pos, bufsz - pos,
854 "RX/TX timeout: %d/%d usec\n",
855 le32_to_cpu(cmd->rx_data_timeout),
856 le32_to_cpu(cmd->tx_data_timeout));
857 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
858 pos += scnprintf(buf + pos, bufsz - pos,
859 "sleep_interval[%d]: %d\n", i,
860 le32_to_cpu(cmd->sleep_interval[i]));
861
862 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
863 }
864
865 DEBUGFS_READ_WRITE_FILE_OPS(sram);
866 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
867 DEBUGFS_READ_FILE_OPS(nvm);
868 DEBUGFS_READ_FILE_OPS(stations);
869 DEBUGFS_READ_FILE_OPS(channels);
870 DEBUGFS_READ_FILE_OPS(status);
871 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
872 DEBUGFS_READ_FILE_OPS(qos);
873 DEBUGFS_READ_FILE_OPS(led);
874 DEBUGFS_READ_FILE_OPS(thermal_throttling);
875 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
876 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
877 DEBUGFS_READ_FILE_OPS(current_sleep_command);
878
879 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
880 char __user *user_buf,
881 size_t count, loff_t *ppos)
882 {
883 struct iwl_priv *priv = file->private_data;
884 int pos = 0, ofs = 0;
885 int cnt = 0, entry;
886 struct iwl_tx_queue *txq;
887 struct iwl_queue *q;
888 struct iwl_rx_queue *rxq = &priv->rxq;
889 char *buf;
890 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
891 (priv->cfg->num_of_queues * 32 * 8) + 400;
892 const u8 *ptr;
893 ssize_t ret;
894
895 if (!priv->txq) {
896 IWL_ERR(priv, "txq not ready\n");
897 return -EAGAIN;
898 }
899 buf = kzalloc(bufsz, GFP_KERNEL);
900 if (!buf) {
901 IWL_ERR(priv, "Can not allocate buffer\n");
902 return -ENOMEM;
903 }
904 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
905 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
906 txq = &priv->txq[cnt];
907 q = &txq->q;
908 pos += scnprintf(buf + pos, bufsz - pos,
909 "q[%d]: read_ptr: %u, write_ptr: %u\n",
910 cnt, q->read_ptr, q->write_ptr);
911 }
912 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
913 ptr = priv->tx_traffic;
914 pos += scnprintf(buf + pos, bufsz - pos,
915 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
916 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
917 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
918 entry++, ofs += 16) {
919 pos += scnprintf(buf + pos, bufsz - pos,
920 "0x%.4x ", ofs);
921 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
922 buf + pos, bufsz - pos, 0);
923 pos += strlen(buf + pos);
924 if (bufsz - pos > 0)
925 buf[pos++] = '\n';
926 }
927 }
928 }
929
930 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
931 pos += scnprintf(buf + pos, bufsz - pos,
932 "read: %u, write: %u\n",
933 rxq->read, rxq->write);
934
935 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
936 ptr = priv->rx_traffic;
937 pos += scnprintf(buf + pos, bufsz - pos,
938 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
939 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
940 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
941 entry++, ofs += 16) {
942 pos += scnprintf(buf + pos, bufsz - pos,
943 "0x%.4x ", ofs);
944 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
945 buf + pos, bufsz - pos, 0);
946 pos += strlen(buf + pos);
947 if (bufsz - pos > 0)
948 buf[pos++] = '\n';
949 }
950 }
951 }
952
953 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
954 kfree(buf);
955 return ret;
956 }
957
958 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
959 const char __user *user_buf,
960 size_t count, loff_t *ppos)
961 {
962 struct iwl_priv *priv = file->private_data;
963 char buf[8];
964 int buf_size;
965 int traffic_log;
966
967 memset(buf, 0, sizeof(buf));
968 buf_size = min(count, sizeof(buf) - 1);
969 if (copy_from_user(buf, user_buf, buf_size))
970 return -EFAULT;
971 if (sscanf(buf, "%d", &traffic_log) != 1)
972 return -EFAULT;
973 if (traffic_log == 0)
974 iwl_reset_traffic_log(priv);
975
976 return count;
977 }
978
979 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
980 char __user *user_buf,
981 size_t count, loff_t *ppos) {
982
983 struct iwl_priv *priv = file->private_data;
984 struct iwl_tx_queue *txq;
985 struct iwl_queue *q;
986 char *buf;
987 int pos = 0;
988 int cnt;
989 int ret;
990 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
991
992 if (!priv->txq) {
993 IWL_ERR(priv, "txq not ready\n");
994 return -EAGAIN;
995 }
996 buf = kzalloc(bufsz, GFP_KERNEL);
997 if (!buf)
998 return -ENOMEM;
999
1000 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1001 txq = &priv->txq[cnt];
1002 q = &txq->q;
1003 pos += scnprintf(buf + pos, bufsz - pos,
1004 "hwq %.2d: read=%u write=%u stop=%d"
1005 " swq_id=%#.2x (ac %d/hwq %d)\n",
1006 cnt, q->read_ptr, q->write_ptr,
1007 !!test_bit(cnt, priv->queue_stopped),
1008 txq->swq_id,
1009 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1010 txq->swq_id,
1011 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1012 0x1f : txq->swq_id);
1013 if (cnt >= 4)
1014 continue;
1015 /* for the ACs, display the stop count too */
1016 pos += scnprintf(buf + pos, bufsz - pos,
1017 " stop-count: %d\n",
1018 atomic_read(&priv->queue_stop_count[cnt]));
1019 }
1020 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1021 kfree(buf);
1022 return ret;
1023 }
1024
1025 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1026 char __user *user_buf,
1027 size_t count, loff_t *ppos) {
1028
1029 struct iwl_priv *priv = file->private_data;
1030 struct iwl_rx_queue *rxq = &priv->rxq;
1031 char buf[256];
1032 int pos = 0;
1033 const size_t bufsz = sizeof(buf);
1034
1035 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1036 rxq->read);
1037 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1038 rxq->write);
1039 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1040 rxq->free_count);
1041 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1042 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1043 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1044 }
1045
1046 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1047 int bufsz)
1048 {
1049 int p = 0;
1050
1051 p += scnprintf(buf + p, bufsz - p,
1052 "Statistics Flag(0x%X):\n",
1053 le32_to_cpu(priv->statistics.flag));
1054 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1055 p += scnprintf(buf + p, bufsz - p,
1056 "\tStatistics have been cleared\n");
1057 p += scnprintf(buf + p, bufsz - p,
1058 "\tOperational Frequency: %s\n",
1059 (le32_to_cpu(priv->statistics.flag) &
1060 UCODE_STATISTICS_FREQUENCY_MSK)
1061 ? "2.4 GHz" : "5.2 GHz");
1062 p += scnprintf(buf + p, bufsz - p,
1063 "\tTGj Narrow Band: %s\n",
1064 (le32_to_cpu(priv->statistics.flag) &
1065 UCODE_STATISTICS_NARROW_BAND_MSK)
1066 ? "enabled" : "disabled");
1067 return p;
1068 }
1069
1070 static const char ucode_stats_header[] =
1071 "%-32s current acumulative delta max\n";
1072 static const char ucode_stats_short_format[] =
1073 " %-30s %10u\n";
1074 static const char ucode_stats_format[] =
1075 " %-30s %10u %10u %10u %10u\n";
1076
1077 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1078 char __user *user_buf,
1079 size_t count, loff_t *ppos)
1080 {
1081 struct iwl_priv *priv = file->private_data;
1082 int pos = 0;
1083 char *buf;
1084 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
1085 sizeof(struct statistics_rx_non_phy) * 40 +
1086 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
1087 ssize_t ret;
1088 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
1089 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
1090 struct statistics_rx_non_phy *general, *accum_general;
1091 struct statistics_rx_non_phy *delta_general, *max_general;
1092 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
1093
1094 if (!iwl_is_alive(priv))
1095 return -EAGAIN;
1096
1097 buf = kzalloc(bufsz, GFP_KERNEL);
1098 if (!buf) {
1099 IWL_ERR(priv, "Can not allocate Buffer\n");
1100 return -ENOMEM;
1101 }
1102
1103 /* the statistic information display here is based on
1104 * the last statistics notification from uCode
1105 * might not reflect the current uCode activity
1106 */
1107 ofdm = &priv->statistics.rx.ofdm;
1108 cck = &priv->statistics.rx.cck;
1109 general = &priv->statistics.rx.general;
1110 ht = &priv->statistics.rx.ofdm_ht;
1111 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1112 accum_cck = &priv->accum_statistics.rx.cck;
1113 accum_general = &priv->accum_statistics.rx.general;
1114 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1115 delta_ofdm = &priv->delta_statistics.rx.ofdm;
1116 delta_cck = &priv->delta_statistics.rx.cck;
1117 delta_general = &priv->delta_statistics.rx.general;
1118 delta_ht = &priv->delta_statistics.rx.ofdm_ht;
1119 max_ofdm = &priv->max_delta.rx.ofdm;
1120 max_cck = &priv->max_delta.rx.cck;
1121 max_general = &priv->max_delta.rx.general;
1122 max_ht = &priv->max_delta.rx.ofdm_ht;
1123
1124 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1125 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1126 "Statistics_Rx - OFDM:");
1127 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1128 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
1129 accum_ofdm->ina_cnt,
1130 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
1131 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1132 "fina_cnt:",
1133 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1134 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1135 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1136 "plcp_err:",
1137 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1138 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1139 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1140 "crc32_err:",
1141 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1142 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1143 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1144 "overrun_err:",
1145 le32_to_cpu(ofdm->overrun_err),
1146 accum_ofdm->overrun_err,
1147 delta_ofdm->overrun_err, max_ofdm->overrun_err);
1148 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1149 "early_overrun_err:",
1150 le32_to_cpu(ofdm->early_overrun_err),
1151 accum_ofdm->early_overrun_err,
1152 delta_ofdm->early_overrun_err,
1153 max_ofdm->early_overrun_err);
1154 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1155 "crc32_good:",
1156 le32_to_cpu(ofdm->crc32_good),
1157 accum_ofdm->crc32_good,
1158 delta_ofdm->crc32_good, max_ofdm->crc32_good);
1159 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1160 "false_alarm_cnt:",
1161 le32_to_cpu(ofdm->false_alarm_cnt),
1162 accum_ofdm->false_alarm_cnt,
1163 delta_ofdm->false_alarm_cnt,
1164 max_ofdm->false_alarm_cnt);
1165 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1166 "fina_sync_err_cnt:",
1167 le32_to_cpu(ofdm->fina_sync_err_cnt),
1168 accum_ofdm->fina_sync_err_cnt,
1169 delta_ofdm->fina_sync_err_cnt,
1170 max_ofdm->fina_sync_err_cnt);
1171 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1172 "sfd_timeout:",
1173 le32_to_cpu(ofdm->sfd_timeout),
1174 accum_ofdm->sfd_timeout,
1175 delta_ofdm->sfd_timeout,
1176 max_ofdm->sfd_timeout);
1177 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1178 "fina_timeout:",
1179 le32_to_cpu(ofdm->fina_timeout),
1180 accum_ofdm->fina_timeout,
1181 delta_ofdm->fina_timeout,
1182 max_ofdm->fina_timeout);
1183 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1184 "unresponded_rts:",
1185 le32_to_cpu(ofdm->unresponded_rts),
1186 accum_ofdm->unresponded_rts,
1187 delta_ofdm->unresponded_rts,
1188 max_ofdm->unresponded_rts);
1189 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1190 "rxe_frame_lmt_ovrun:",
1191 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1192 accum_ofdm->rxe_frame_limit_overrun,
1193 delta_ofdm->rxe_frame_limit_overrun,
1194 max_ofdm->rxe_frame_limit_overrun);
1195 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1196 "sent_ack_cnt:",
1197 le32_to_cpu(ofdm->sent_ack_cnt),
1198 accum_ofdm->sent_ack_cnt,
1199 delta_ofdm->sent_ack_cnt,
1200 max_ofdm->sent_ack_cnt);
1201 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1202 "sent_cts_cnt:",
1203 le32_to_cpu(ofdm->sent_cts_cnt),
1204 accum_ofdm->sent_cts_cnt,
1205 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
1206 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1207 "sent_ba_rsp_cnt:",
1208 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1209 accum_ofdm->sent_ba_rsp_cnt,
1210 delta_ofdm->sent_ba_rsp_cnt,
1211 max_ofdm->sent_ba_rsp_cnt);
1212 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1213 "dsp_self_kill:",
1214 le32_to_cpu(ofdm->dsp_self_kill),
1215 accum_ofdm->dsp_self_kill,
1216 delta_ofdm->dsp_self_kill,
1217 max_ofdm->dsp_self_kill);
1218 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1219 "mh_format_err:",
1220 le32_to_cpu(ofdm->mh_format_err),
1221 accum_ofdm->mh_format_err,
1222 delta_ofdm->mh_format_err,
1223 max_ofdm->mh_format_err);
1224 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1225 "re_acq_main_rssi_sum:",
1226 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1227 accum_ofdm->re_acq_main_rssi_sum,
1228 delta_ofdm->re_acq_main_rssi_sum,
1229 max_ofdm->re_acq_main_rssi_sum);
1230
1231 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1232 "Statistics_Rx - CCK:");
1233 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1234 "ina_cnt:",
1235 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1236 delta_cck->ina_cnt, max_cck->ina_cnt);
1237 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1238 "fina_cnt:",
1239 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1240 delta_cck->fina_cnt, max_cck->fina_cnt);
1241 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1242 "plcp_err:",
1243 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1244 delta_cck->plcp_err, max_cck->plcp_err);
1245 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1246 "crc32_err:",
1247 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1248 delta_cck->crc32_err, max_cck->crc32_err);
1249 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1250 "overrun_err:",
1251 le32_to_cpu(cck->overrun_err),
1252 accum_cck->overrun_err,
1253 delta_cck->overrun_err, max_cck->overrun_err);
1254 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1255 "early_overrun_err:",
1256 le32_to_cpu(cck->early_overrun_err),
1257 accum_cck->early_overrun_err,
1258 delta_cck->early_overrun_err,
1259 max_cck->early_overrun_err);
1260 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1261 "crc32_good:",
1262 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1263 delta_cck->crc32_good,
1264 max_cck->crc32_good);
1265 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1266 "false_alarm_cnt:",
1267 le32_to_cpu(cck->false_alarm_cnt),
1268 accum_cck->false_alarm_cnt,
1269 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1270 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1271 "fina_sync_err_cnt:",
1272 le32_to_cpu(cck->fina_sync_err_cnt),
1273 accum_cck->fina_sync_err_cnt,
1274 delta_cck->fina_sync_err_cnt,
1275 max_cck->fina_sync_err_cnt);
1276 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1277 "sfd_timeout:",
1278 le32_to_cpu(cck->sfd_timeout),
1279 accum_cck->sfd_timeout,
1280 delta_cck->sfd_timeout, max_cck->sfd_timeout);
1281 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1282 "fina_timeout:",
1283 le32_to_cpu(cck->fina_timeout),
1284 accum_cck->fina_timeout,
1285 delta_cck->fina_timeout, max_cck->fina_timeout);
1286 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1287 "unresponded_rts:",
1288 le32_to_cpu(cck->unresponded_rts),
1289 accum_cck->unresponded_rts,
1290 delta_cck->unresponded_rts,
1291 max_cck->unresponded_rts);
1292 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1293 "rxe_frame_lmt_ovrun:",
1294 le32_to_cpu(cck->rxe_frame_limit_overrun),
1295 accum_cck->rxe_frame_limit_overrun,
1296 delta_cck->rxe_frame_limit_overrun,
1297 max_cck->rxe_frame_limit_overrun);
1298 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1299 "sent_ack_cnt:",
1300 le32_to_cpu(cck->sent_ack_cnt),
1301 accum_cck->sent_ack_cnt,
1302 delta_cck->sent_ack_cnt,
1303 max_cck->sent_ack_cnt);
1304 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1305 "sent_cts_cnt:",
1306 le32_to_cpu(cck->sent_cts_cnt),
1307 accum_cck->sent_cts_cnt,
1308 delta_cck->sent_cts_cnt,
1309 max_cck->sent_cts_cnt);
1310 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1311 "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, ucode_stats_format,
1317 "dsp_self_kill:",
1318 le32_to_cpu(cck->dsp_self_kill),
1319 accum_cck->dsp_self_kill,
1320 delta_cck->dsp_self_kill,
1321 max_cck->dsp_self_kill);
1322 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1323 "mh_format_err:",
1324 le32_to_cpu(cck->mh_format_err),
1325 accum_cck->mh_format_err,
1326 delta_cck->mh_format_err, max_cck->mh_format_err);
1327 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1328 "re_acq_main_rssi_sum:",
1329 le32_to_cpu(cck->re_acq_main_rssi_sum),
1330 accum_cck->re_acq_main_rssi_sum,
1331 delta_cck->re_acq_main_rssi_sum,
1332 max_cck->re_acq_main_rssi_sum);
1333
1334 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1335 "Statistics_Rx - GENERAL:");
1336 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1337 "bogus_cts:",
1338 le32_to_cpu(general->bogus_cts),
1339 accum_general->bogus_cts,
1340 delta_general->bogus_cts, max_general->bogus_cts);
1341 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1342 "bogus_ack:",
1343 le32_to_cpu(general->bogus_ack),
1344 accum_general->bogus_ack,
1345 delta_general->bogus_ack, max_general->bogus_ack);
1346 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1347 "non_bssid_frames:",
1348 le32_to_cpu(general->non_bssid_frames),
1349 accum_general->non_bssid_frames,
1350 delta_general->non_bssid_frames,
1351 max_general->non_bssid_frames);
1352 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1353 "filtered_frames:",
1354 le32_to_cpu(general->filtered_frames),
1355 accum_general->filtered_frames,
1356 delta_general->filtered_frames,
1357 max_general->filtered_frames);
1358 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1359 "non_channel_beacons:",
1360 le32_to_cpu(general->non_channel_beacons),
1361 accum_general->non_channel_beacons,
1362 delta_general->non_channel_beacons,
1363 max_general->non_channel_beacons);
1364 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1365 "channel_beacons:",
1366 le32_to_cpu(general->channel_beacons),
1367 accum_general->channel_beacons,
1368 delta_general->channel_beacons,
1369 max_general->channel_beacons);
1370 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1371 "num_missed_bcon:",
1372 le32_to_cpu(general->num_missed_bcon),
1373 accum_general->num_missed_bcon,
1374 delta_general->num_missed_bcon,
1375 max_general->num_missed_bcon);
1376 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1377 "adc_rx_saturation_time:",
1378 le32_to_cpu(general->adc_rx_saturation_time),
1379 accum_general->adc_rx_saturation_time,
1380 delta_general->adc_rx_saturation_time,
1381 max_general->adc_rx_saturation_time);
1382 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1383 "ina_detect_search_tm:",
1384 le32_to_cpu(general->ina_detection_search_time),
1385 accum_general->ina_detection_search_time,
1386 delta_general->ina_detection_search_time,
1387 max_general->ina_detection_search_time);
1388 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1389 "beacon_silence_rssi_a:",
1390 le32_to_cpu(general->beacon_silence_rssi_a),
1391 accum_general->beacon_silence_rssi_a,
1392 delta_general->beacon_silence_rssi_a,
1393 max_general->beacon_silence_rssi_a);
1394 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1395 "beacon_silence_rssi_b:",
1396 le32_to_cpu(general->beacon_silence_rssi_b),
1397 accum_general->beacon_silence_rssi_b,
1398 delta_general->beacon_silence_rssi_b,
1399 max_general->beacon_silence_rssi_b);
1400 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1401 "beacon_silence_rssi_c:",
1402 le32_to_cpu(general->beacon_silence_rssi_c),
1403 accum_general->beacon_silence_rssi_c,
1404 delta_general->beacon_silence_rssi_c,
1405 max_general->beacon_silence_rssi_c);
1406 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1407 "interference_data_flag:",
1408 le32_to_cpu(general->interference_data_flag),
1409 accum_general->interference_data_flag,
1410 delta_general->interference_data_flag,
1411 max_general->interference_data_flag);
1412 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1413 "channel_load:",
1414 le32_to_cpu(general->channel_load),
1415 accum_general->channel_load,
1416 delta_general->channel_load,
1417 max_general->channel_load);
1418 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1419 "dsp_false_alarms:",
1420 le32_to_cpu(general->dsp_false_alarms),
1421 accum_general->dsp_false_alarms,
1422 delta_general->dsp_false_alarms,
1423 max_general->dsp_false_alarms);
1424 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1425 "beacon_rssi_a:",
1426 le32_to_cpu(general->beacon_rssi_a),
1427 accum_general->beacon_rssi_a,
1428 delta_general->beacon_rssi_a,
1429 max_general->beacon_rssi_a);
1430 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1431 "beacon_rssi_b:",
1432 le32_to_cpu(general->beacon_rssi_b),
1433 accum_general->beacon_rssi_b,
1434 delta_general->beacon_rssi_b,
1435 max_general->beacon_rssi_b);
1436 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1437 "beacon_rssi_c:",
1438 le32_to_cpu(general->beacon_rssi_c),
1439 accum_general->beacon_rssi_c,
1440 delta_general->beacon_rssi_c,
1441 max_general->beacon_rssi_c);
1442 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1443 "beacon_energy_a:",
1444 le32_to_cpu(general->beacon_energy_a),
1445 accum_general->beacon_energy_a,
1446 delta_general->beacon_energy_a,
1447 max_general->beacon_energy_a);
1448 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1449 "beacon_energy_b:",
1450 le32_to_cpu(general->beacon_energy_b),
1451 accum_general->beacon_energy_b,
1452 delta_general->beacon_energy_b,
1453 max_general->beacon_energy_b);
1454 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1455 "beacon_energy_c:",
1456 le32_to_cpu(general->beacon_energy_c),
1457 accum_general->beacon_energy_c,
1458 delta_general->beacon_energy_c,
1459 max_general->beacon_energy_c);
1460
1461 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1462 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1463 "Statistics_Rx - OFDM_HT:");
1464 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1465 "plcp_err:",
1466 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1467 delta_ht->plcp_err, max_ht->plcp_err);
1468 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1469 "overrun_err:",
1470 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1471 delta_ht->overrun_err, max_ht->overrun_err);
1472 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1473 "early_overrun_err:",
1474 le32_to_cpu(ht->early_overrun_err),
1475 accum_ht->early_overrun_err,
1476 delta_ht->early_overrun_err,
1477 max_ht->early_overrun_err);
1478 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1479 "crc32_good:",
1480 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1481 delta_ht->crc32_good, max_ht->crc32_good);
1482 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1483 "crc32_err:",
1484 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1485 delta_ht->crc32_err, max_ht->crc32_err);
1486 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1487 "mh_format_err:",
1488 le32_to_cpu(ht->mh_format_err),
1489 accum_ht->mh_format_err,
1490 delta_ht->mh_format_err, max_ht->mh_format_err);
1491 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1492 "agg_crc32_good:",
1493 le32_to_cpu(ht->agg_crc32_good),
1494 accum_ht->agg_crc32_good,
1495 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1496 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1497 "agg_mpdu_cnt:",
1498 le32_to_cpu(ht->agg_mpdu_cnt),
1499 accum_ht->agg_mpdu_cnt,
1500 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1501 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1502 "agg_cnt:",
1503 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1504 delta_ht->agg_cnt, max_ht->agg_cnt);
1505 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1506 "unsupport_mcs:",
1507 le32_to_cpu(ht->unsupport_mcs),
1508 accum_ht->unsupport_mcs,
1509 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1510
1511 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1512 kfree(buf);
1513 return ret;
1514 }
1515
1516 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1517 char __user *user_buf,
1518 size_t count, loff_t *ppos)
1519 {
1520 struct iwl_priv *priv = file->private_data;
1521 int pos = 0;
1522 char *buf;
1523 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1524 ssize_t ret;
1525 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1526
1527 if (!iwl_is_alive(priv))
1528 return -EAGAIN;
1529
1530 buf = kzalloc(bufsz, GFP_KERNEL);
1531 if (!buf) {
1532 IWL_ERR(priv, "Can not allocate Buffer\n");
1533 return -ENOMEM;
1534 }
1535
1536 /* the statistic information display here is based on
1537 * the last statistics notification from uCode
1538 * might not reflect the current uCode activity
1539 */
1540 tx = &priv->statistics.tx;
1541 accum_tx = &priv->accum_statistics.tx;
1542 delta_tx = &priv->delta_statistics.tx;
1543 max_tx = &priv->max_delta.tx;
1544 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1545 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1546 "Statistics_Tx:");
1547 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1548 "preamble:",
1549 le32_to_cpu(tx->preamble_cnt),
1550 accum_tx->preamble_cnt,
1551 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1552 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1553 "rx_detected_cnt:",
1554 le32_to_cpu(tx->rx_detected_cnt),
1555 accum_tx->rx_detected_cnt,
1556 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1557 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1558 "bt_prio_defer_cnt:",
1559 le32_to_cpu(tx->bt_prio_defer_cnt),
1560 accum_tx->bt_prio_defer_cnt,
1561 delta_tx->bt_prio_defer_cnt,
1562 max_tx->bt_prio_defer_cnt);
1563 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1564 "bt_prio_kill_cnt:",
1565 le32_to_cpu(tx->bt_prio_kill_cnt),
1566 accum_tx->bt_prio_kill_cnt,
1567 delta_tx->bt_prio_kill_cnt,
1568 max_tx->bt_prio_kill_cnt);
1569 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1570 "few_bytes_cnt:",
1571 le32_to_cpu(tx->few_bytes_cnt),
1572 accum_tx->few_bytes_cnt,
1573 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1574 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1575 "cts_timeout:",
1576 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1577 delta_tx->cts_timeout, max_tx->cts_timeout);
1578 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1579 "ack_timeout:",
1580 le32_to_cpu(tx->ack_timeout),
1581 accum_tx->ack_timeout,
1582 delta_tx->ack_timeout, max_tx->ack_timeout);
1583 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1584 "expected_ack_cnt:",
1585 le32_to_cpu(tx->expected_ack_cnt),
1586 accum_tx->expected_ack_cnt,
1587 delta_tx->expected_ack_cnt,
1588 max_tx->expected_ack_cnt);
1589 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1590 "actual_ack_cnt:",
1591 le32_to_cpu(tx->actual_ack_cnt),
1592 accum_tx->actual_ack_cnt,
1593 delta_tx->actual_ack_cnt,
1594 max_tx->actual_ack_cnt);
1595 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1596 "dump_msdu_cnt:",
1597 le32_to_cpu(tx->dump_msdu_cnt),
1598 accum_tx->dump_msdu_cnt,
1599 delta_tx->dump_msdu_cnt,
1600 max_tx->dump_msdu_cnt);
1601 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1602 "abort_nxt_frame_mismatch:",
1603 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1604 accum_tx->burst_abort_next_frame_mismatch_cnt,
1605 delta_tx->burst_abort_next_frame_mismatch_cnt,
1606 max_tx->burst_abort_next_frame_mismatch_cnt);
1607 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1608 "abort_missing_nxt_frame:",
1609 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1610 accum_tx->burst_abort_missing_next_frame_cnt,
1611 delta_tx->burst_abort_missing_next_frame_cnt,
1612 max_tx->burst_abort_missing_next_frame_cnt);
1613 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1614 "cts_timeout_collision:",
1615 le32_to_cpu(tx->cts_timeout_collision),
1616 accum_tx->cts_timeout_collision,
1617 delta_tx->cts_timeout_collision,
1618 max_tx->cts_timeout_collision);
1619 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1620 "ack_ba_timeout_collision:",
1621 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1622 accum_tx->ack_or_ba_timeout_collision,
1623 delta_tx->ack_or_ba_timeout_collision,
1624 max_tx->ack_or_ba_timeout_collision);
1625 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1626 "agg ba_timeout:",
1627 le32_to_cpu(tx->agg.ba_timeout),
1628 accum_tx->agg.ba_timeout,
1629 delta_tx->agg.ba_timeout,
1630 max_tx->agg.ba_timeout);
1631 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1632 "agg ba_resched_frames:",
1633 le32_to_cpu(tx->agg.ba_reschedule_frames),
1634 accum_tx->agg.ba_reschedule_frames,
1635 delta_tx->agg.ba_reschedule_frames,
1636 max_tx->agg.ba_reschedule_frames);
1637 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1638 "agg scd_query_agg_frame:",
1639 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1640 accum_tx->agg.scd_query_agg_frame_cnt,
1641 delta_tx->agg.scd_query_agg_frame_cnt,
1642 max_tx->agg.scd_query_agg_frame_cnt);
1643 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1644 "agg scd_query_no_agg:",
1645 le32_to_cpu(tx->agg.scd_query_no_agg),
1646 accum_tx->agg.scd_query_no_agg,
1647 delta_tx->agg.scd_query_no_agg,
1648 max_tx->agg.scd_query_no_agg);
1649 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1650 "agg scd_query_agg:",
1651 le32_to_cpu(tx->agg.scd_query_agg),
1652 accum_tx->agg.scd_query_agg,
1653 delta_tx->agg.scd_query_agg,
1654 max_tx->agg.scd_query_agg);
1655 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1656 "agg scd_query_mismatch:",
1657 le32_to_cpu(tx->agg.scd_query_mismatch),
1658 accum_tx->agg.scd_query_mismatch,
1659 delta_tx->agg.scd_query_mismatch,
1660 max_tx->agg.scd_query_mismatch);
1661 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1662 "agg frame_not_ready:",
1663 le32_to_cpu(tx->agg.frame_not_ready),
1664 accum_tx->agg.frame_not_ready,
1665 delta_tx->agg.frame_not_ready,
1666 max_tx->agg.frame_not_ready);
1667 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1668 "agg underrun:",
1669 le32_to_cpu(tx->agg.underrun),
1670 accum_tx->agg.underrun,
1671 delta_tx->agg.underrun, max_tx->agg.underrun);
1672 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1673 "agg bt_prio_kill:",
1674 le32_to_cpu(tx->agg.bt_prio_kill),
1675 accum_tx->agg.bt_prio_kill,
1676 delta_tx->agg.bt_prio_kill,
1677 max_tx->agg.bt_prio_kill);
1678 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1679 "agg rx_ba_rsp_cnt:",
1680 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1681 accum_tx->agg.rx_ba_rsp_cnt,
1682 delta_tx->agg.rx_ba_rsp_cnt,
1683 max_tx->agg.rx_ba_rsp_cnt);
1684
1685 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1686 kfree(buf);
1687 return ret;
1688 }
1689
1690 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1691 char __user *user_buf,
1692 size_t count, loff_t *ppos)
1693 {
1694 struct iwl_priv *priv = file->private_data;
1695 int pos = 0;
1696 char *buf;
1697 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1698 ssize_t ret;
1699 struct statistics_general *general, *accum_general;
1700 struct statistics_general *delta_general, *max_general;
1701 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1702 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1703
1704 if (!iwl_is_alive(priv))
1705 return -EAGAIN;
1706
1707 buf = kzalloc(bufsz, GFP_KERNEL);
1708 if (!buf) {
1709 IWL_ERR(priv, "Can not allocate Buffer\n");
1710 return -ENOMEM;
1711 }
1712
1713 /* the statistic information display here is based on
1714 * the last statistics notification from uCode
1715 * might not reflect the current uCode activity
1716 */
1717 general = &priv->statistics.general;
1718 dbg = &priv->statistics.general.dbg;
1719 div = &priv->statistics.general.div;
1720 accum_general = &priv->accum_statistics.general;
1721 delta_general = &priv->delta_statistics.general;
1722 max_general = &priv->max_delta.general;
1723 accum_dbg = &priv->accum_statistics.general.dbg;
1724 delta_dbg = &priv->delta_statistics.general.dbg;
1725 max_dbg = &priv->max_delta.general.dbg;
1726 accum_div = &priv->accum_statistics.general.div;
1727 delta_div = &priv->delta_statistics.general.div;
1728 max_div = &priv->max_delta.general.div;
1729 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1730 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_header,
1731 "Statistics_General:");
1732 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1733 "temperature:",
1734 le32_to_cpu(general->temperature));
1735 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_short_format,
1736 "temperature_m:",
1737 le32_to_cpu(general->temperature_m));
1738 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1739 "burst_check:",
1740 le32_to_cpu(dbg->burst_check),
1741 accum_dbg->burst_check,
1742 delta_dbg->burst_check, max_dbg->burst_check);
1743 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1744 "burst_count:",
1745 le32_to_cpu(dbg->burst_count),
1746 accum_dbg->burst_count,
1747 delta_dbg->burst_count, max_dbg->burst_count);
1748 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1749 "sleep_time:",
1750 le32_to_cpu(general->sleep_time),
1751 accum_general->sleep_time,
1752 delta_general->sleep_time, max_general->sleep_time);
1753 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1754 "slots_out:",
1755 le32_to_cpu(general->slots_out),
1756 accum_general->slots_out,
1757 delta_general->slots_out, max_general->slots_out);
1758 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1759 "slots_idle:",
1760 le32_to_cpu(general->slots_idle),
1761 accum_general->slots_idle,
1762 delta_general->slots_idle, max_general->slots_idle);
1763 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1764 le32_to_cpu(general->ttl_timestamp));
1765 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1766 "tx_on_a:",
1767 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1768 delta_div->tx_on_a, max_div->tx_on_a);
1769 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1770 "tx_on_b:",
1771 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1772 delta_div->tx_on_b, max_div->tx_on_b);
1773 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1774 "exec_time:",
1775 le32_to_cpu(div->exec_time), accum_div->exec_time,
1776 delta_div->exec_time, max_div->exec_time);
1777 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1778 "probe_time:",
1779 le32_to_cpu(div->probe_time), accum_div->probe_time,
1780 delta_div->probe_time, max_div->probe_time);
1781 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1782 "rx_enable_counter:",
1783 le32_to_cpu(general->rx_enable_counter),
1784 accum_general->rx_enable_counter,
1785 delta_general->rx_enable_counter,
1786 max_general->rx_enable_counter);
1787 pos += scnprintf(buf + pos, bufsz - pos, ucode_stats_format,
1788 "num_of_sos_states:",
1789 le32_to_cpu(general->num_of_sos_states),
1790 accum_general->num_of_sos_states,
1791 delta_general->num_of_sos_states,
1792 max_general->num_of_sos_states);
1793 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1794 kfree(buf);
1795 return ret;
1796 }
1797
1798 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1799 char __user *user_buf,
1800 size_t count, loff_t *ppos) {
1801
1802 struct iwl_priv *priv = file->private_data;
1803 int pos = 0;
1804 int cnt = 0;
1805 char *buf;
1806 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1807 ssize_t ret;
1808 struct iwl_sensitivity_data *data;
1809
1810 data = &priv->sensitivity_data;
1811 buf = kzalloc(bufsz, GFP_KERNEL);
1812 if (!buf) {
1813 IWL_ERR(priv, "Can not allocate Buffer\n");
1814 return -ENOMEM;
1815 }
1816
1817 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1818 data->auto_corr_ofdm);
1819 pos += scnprintf(buf + pos, bufsz - pos,
1820 "auto_corr_ofdm_mrc:\t\t %u\n",
1821 data->auto_corr_ofdm_mrc);
1822 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1823 data->auto_corr_ofdm_x1);
1824 pos += scnprintf(buf + pos, bufsz - pos,
1825 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1826 data->auto_corr_ofdm_mrc_x1);
1827 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1828 data->auto_corr_cck);
1829 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1830 data->auto_corr_cck_mrc);
1831 pos += scnprintf(buf + pos, bufsz - pos,
1832 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1833 data->last_bad_plcp_cnt_ofdm);
1834 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1835 data->last_fa_cnt_ofdm);
1836 pos += scnprintf(buf + pos, bufsz - pos,
1837 "last_bad_plcp_cnt_cck:\t\t %u\n",
1838 data->last_bad_plcp_cnt_cck);
1839 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1840 data->last_fa_cnt_cck);
1841 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1842 data->nrg_curr_state);
1843 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1844 data->nrg_prev_state);
1845 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1846 for (cnt = 0; cnt < 10; cnt++) {
1847 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1848 data->nrg_value[cnt]);
1849 }
1850 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1851 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1852 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1853 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1854 data->nrg_silence_rssi[cnt]);
1855 }
1856 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1857 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1858 data->nrg_silence_ref);
1859 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1860 data->nrg_energy_idx);
1861 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1862 data->nrg_silence_idx);
1863 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1864 data->nrg_th_cck);
1865 pos += scnprintf(buf + pos, bufsz - pos,
1866 "nrg_auto_corr_silence_diff:\t %u\n",
1867 data->nrg_auto_corr_silence_diff);
1868 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1869 data->num_in_cck_no_fa);
1870 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1871 data->nrg_th_ofdm);
1872
1873 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1874 kfree(buf);
1875 return ret;
1876 }
1877
1878
1879 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1880 char __user *user_buf,
1881 size_t count, loff_t *ppos) {
1882
1883 struct iwl_priv *priv = file->private_data;
1884 int pos = 0;
1885 int cnt = 0;
1886 char *buf;
1887 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1888 ssize_t ret;
1889 struct iwl_chain_noise_data *data;
1890
1891 data = &priv->chain_noise_data;
1892 buf = kzalloc(bufsz, GFP_KERNEL);
1893 if (!buf) {
1894 IWL_ERR(priv, "Can not allocate Buffer\n");
1895 return -ENOMEM;
1896 }
1897
1898 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1899 data->active_chains);
1900 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1901 data->chain_noise_a);
1902 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1903 data->chain_noise_b);
1904 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1905 data->chain_noise_c);
1906 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1907 data->chain_signal_a);
1908 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1909 data->chain_signal_b);
1910 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1911 data->chain_signal_c);
1912 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1913 data->beacon_count);
1914
1915 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1916 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1917 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1918 data->disconn_array[cnt]);
1919 }
1920 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1921 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1922 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1923 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1924 data->delta_gain_code[cnt]);
1925 }
1926 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1927 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1928 data->radio_write);
1929 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1930 data->state);
1931
1932 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1933 kfree(buf);
1934 return ret;
1935 }
1936
1937 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1938 char __user *user_buf,
1939 size_t count, loff_t *ppos) {
1940
1941 struct iwl_priv *priv = file->private_data;
1942 char buf[128];
1943 int pos = 0;
1944 const size_t bufsz = sizeof(buf);
1945 struct statistics_tx *tx;
1946
1947 if (!iwl_is_alive(priv))
1948 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1949 else {
1950 tx = &priv->statistics.tx;
1951 if (tx->tx_power.ant_a ||
1952 tx->tx_power.ant_b ||
1953 tx->tx_power.ant_c) {
1954 pos += scnprintf(buf + pos, bufsz - pos,
1955 "tx power: (1/2 dB step)\n");
1956 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1957 tx->tx_power.ant_a)
1958 pos += scnprintf(buf + pos, bufsz - pos,
1959 "\tantenna A: 0x%X\n",
1960 tx->tx_power.ant_a);
1961 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1962 tx->tx_power.ant_b)
1963 pos += scnprintf(buf + pos, bufsz - pos,
1964 "\tantenna B: 0x%X\n",
1965 tx->tx_power.ant_b);
1966 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1967 tx->tx_power.ant_c)
1968 pos += scnprintf(buf + pos, bufsz - pos,
1969 "\tantenna C: 0x%X\n",
1970 tx->tx_power.ant_c);
1971 } else
1972 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1973 }
1974 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1975 }
1976
1977 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1978 char __user *user_buf,
1979 size_t count, loff_t *ppos)
1980 {
1981 struct iwl_priv *priv = file->private_data;
1982 char buf[60];
1983 int pos = 0;
1984 const size_t bufsz = sizeof(buf);
1985 u32 pwrsave_status;
1986
1987 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1988 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1989
1990 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1991 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1992 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1993 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1994 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1995 "error");
1996
1997 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1998 }
1999
2000 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2001 const char __user *user_buf,
2002 size_t count, loff_t *ppos)
2003 {
2004 struct iwl_priv *priv = file->private_data;
2005 char buf[8];
2006 int buf_size;
2007 int clear;
2008
2009 memset(buf, 0, sizeof(buf));
2010 buf_size = min(count, sizeof(buf) - 1);
2011 if (copy_from_user(buf, user_buf, buf_size))
2012 return -EFAULT;
2013 if (sscanf(buf, "%d", &clear) != 1)
2014 return -EFAULT;
2015
2016 /* make request to uCode to retrieve statistics information */
2017 mutex_lock(&priv->mutex);
2018 iwl_send_statistics_request(priv, CMD_SYNC, true);
2019 mutex_unlock(&priv->mutex);
2020
2021 return count;
2022 }
2023
2024 static ssize_t iwl_dbgfs_csr_write(struct file *file,
2025 const char __user *user_buf,
2026 size_t count, loff_t *ppos)
2027 {
2028 struct iwl_priv *priv = file->private_data;
2029 char buf[8];
2030 int buf_size;
2031 int csr;
2032
2033 memset(buf, 0, sizeof(buf));
2034 buf_size = min(count, sizeof(buf) - 1);
2035 if (copy_from_user(buf, user_buf, buf_size))
2036 return -EFAULT;
2037 if (sscanf(buf, "%d", &csr) != 1)
2038 return -EFAULT;
2039
2040 if (priv->cfg->ops->lib->dump_csr)
2041 priv->cfg->ops->lib->dump_csr(priv);
2042
2043 return count;
2044 }
2045
2046 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2047 char __user *user_buf,
2048 size_t count, loff_t *ppos) {
2049
2050 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2051 int pos = 0;
2052 char buf[128];
2053 const size_t bufsz = sizeof(buf);
2054 ssize_t ret;
2055
2056 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2057 priv->event_log.ucode_trace ? "On" : "Off");
2058 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2059 priv->event_log.non_wraps_count);
2060 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2061 priv->event_log.wraps_once_count);
2062 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2063 priv->event_log.wraps_more_count);
2064
2065 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2066 return ret;
2067 }
2068
2069 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2070 const char __user *user_buf,
2071 size_t count, loff_t *ppos)
2072 {
2073 struct iwl_priv *priv = file->private_data;
2074 char buf[8];
2075 int buf_size;
2076 int trace;
2077
2078 memset(buf, 0, sizeof(buf));
2079 buf_size = min(count, sizeof(buf) - 1);
2080 if (copy_from_user(buf, user_buf, buf_size))
2081 return -EFAULT;
2082 if (sscanf(buf, "%d", &trace) != 1)
2083 return -EFAULT;
2084
2085 if (trace) {
2086 priv->event_log.ucode_trace = true;
2087 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2088 mod_timer(&priv->ucode_trace,
2089 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2090 } else {
2091 priv->event_log.ucode_trace = false;
2092 del_timer_sync(&priv->ucode_trace);
2093 }
2094
2095 return count;
2096 }
2097
2098 static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
2099 char __user *user_buf,
2100 size_t count, loff_t *ppos)
2101 {
2102 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2103 char *buf;
2104 int pos = 0;
2105 ssize_t ret = -EFAULT;
2106
2107 if (priv->cfg->ops->lib->dump_fh) {
2108 ret = pos = priv->cfg->ops->lib->dump_fh(priv, &buf, true);
2109 if (buf) {
2110 ret = simple_read_from_buffer(user_buf,
2111 count, ppos, buf, pos);
2112 kfree(buf);
2113 }
2114 }
2115
2116 return ret;
2117 }
2118
2119 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2120 char __user *user_buf,
2121 size_t count, loff_t *ppos) {
2122
2123 struct iwl_priv *priv = file->private_data;
2124 int pos = 0;
2125 char buf[12];
2126 const size_t bufsz = sizeof(buf);
2127 ssize_t ret;
2128
2129 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2130 priv->missed_beacon_threshold);
2131
2132 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2133 return ret;
2134 }
2135
2136 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2137 const char __user *user_buf,
2138 size_t count, loff_t *ppos)
2139 {
2140 struct iwl_priv *priv = file->private_data;
2141 char buf[8];
2142 int buf_size;
2143 int missed;
2144
2145 memset(buf, 0, sizeof(buf));
2146 buf_size = min(count, sizeof(buf) - 1);
2147 if (copy_from_user(buf, user_buf, buf_size))
2148 return -EFAULT;
2149 if (sscanf(buf, "%d", &missed) != 1)
2150 return -EINVAL;
2151
2152 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2153 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2154 priv->missed_beacon_threshold =
2155 IWL_MISSED_BEACON_THRESHOLD_DEF;
2156 else
2157 priv->missed_beacon_threshold = missed;
2158
2159 return count;
2160 }
2161
2162 static ssize_t iwl_dbgfs_internal_scan_write(struct file *file,
2163 const char __user *user_buf,
2164 size_t count, loff_t *ppos)
2165 {
2166 struct iwl_priv *priv = file->private_data;
2167 char buf[8];
2168 int buf_size;
2169 int scan;
2170
2171 memset(buf, 0, sizeof(buf));
2172 buf_size = min(count, sizeof(buf) - 1);
2173 if (copy_from_user(buf, user_buf, buf_size))
2174 return -EFAULT;
2175 if (sscanf(buf, "%d", &scan) != 1)
2176 return -EINVAL;
2177
2178 iwl_internal_short_hw_scan(priv);
2179
2180 return count;
2181 }
2182
2183 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2184 char __user *user_buf,
2185 size_t count, loff_t *ppos) {
2186
2187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2188 int pos = 0;
2189 char buf[12];
2190 const size_t bufsz = sizeof(buf);
2191 ssize_t ret;
2192
2193 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2194 priv->cfg->plcp_delta_threshold);
2195
2196 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2197 return ret;
2198 }
2199
2200 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2201 const char __user *user_buf,
2202 size_t count, loff_t *ppos) {
2203
2204 struct iwl_priv *priv = file->private_data;
2205 char buf[8];
2206 int buf_size;
2207 int plcp;
2208
2209 memset(buf, 0, sizeof(buf));
2210 buf_size = min(count, sizeof(buf) - 1);
2211 if (copy_from_user(buf, user_buf, buf_size))
2212 return -EFAULT;
2213 if (sscanf(buf, "%d", &plcp) != 1)
2214 return -EINVAL;
2215 if ((plcp <= IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2216 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2217 priv->cfg->plcp_delta_threshold =
2218 IWL_MAX_PLCP_ERR_THRESHOLD_DEF;
2219 else
2220 priv->cfg->plcp_delta_threshold = plcp;
2221 return count;
2222 }
2223
2224 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2225 char __user *user_buf,
2226 size_t count, loff_t *ppos) {
2227
2228 struct iwl_priv *priv = file->private_data;
2229 int i, pos = 0;
2230 char buf[300];
2231 const size_t bufsz = sizeof(buf);
2232 struct iwl_force_reset *force_reset;
2233
2234 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2235 force_reset = &priv->force_reset[i];
2236 pos += scnprintf(buf + pos, bufsz - pos,
2237 "Force reset method %d\n", i);
2238 pos += scnprintf(buf + pos, bufsz - pos,
2239 "\tnumber of reset request: %d\n",
2240 force_reset->reset_request_count);
2241 pos += scnprintf(buf + pos, bufsz - pos,
2242 "\tnumber of reset request success: %d\n",
2243 force_reset->reset_success_count);
2244 pos += scnprintf(buf + pos, bufsz - pos,
2245 "\tnumber of reset request reject: %d\n",
2246 force_reset->reset_reject_count);
2247 pos += scnprintf(buf + pos, bufsz - pos,
2248 "\treset duration: %lu\n",
2249 force_reset->reset_duration);
2250 }
2251 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2252 }
2253
2254 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2255 const char __user *user_buf,
2256 size_t count, loff_t *ppos) {
2257
2258 struct iwl_priv *priv = file->private_data;
2259 char buf[8];
2260 int buf_size;
2261 int reset, ret;
2262
2263 memset(buf, 0, sizeof(buf));
2264 buf_size = min(count, sizeof(buf) - 1);
2265 if (copy_from_user(buf, user_buf, buf_size))
2266 return -EFAULT;
2267 if (sscanf(buf, "%d", &reset) != 1)
2268 return -EINVAL;
2269 switch (reset) {
2270 case IWL_RF_RESET:
2271 case IWL_FW_RESET:
2272 ret = iwl_force_reset(priv, reset);
2273 break;
2274 default:
2275 return -EINVAL;
2276 }
2277 return ret ? ret : count;
2278 }
2279
2280 DEBUGFS_READ_FILE_OPS(rx_statistics);
2281 DEBUGFS_READ_FILE_OPS(tx_statistics);
2282 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2283 DEBUGFS_READ_FILE_OPS(rx_queue);
2284 DEBUGFS_READ_FILE_OPS(tx_queue);
2285 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2286 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2287 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2288 DEBUGFS_READ_FILE_OPS(sensitivity);
2289 DEBUGFS_READ_FILE_OPS(chain_noise);
2290 DEBUGFS_READ_FILE_OPS(tx_power);
2291 DEBUGFS_READ_FILE_OPS(power_save_status);
2292 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2293 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2294 DEBUGFS_WRITE_FILE_OPS(csr);
2295 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2296 DEBUGFS_READ_FILE_OPS(fh_reg);
2297 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2298 DEBUGFS_WRITE_FILE_OPS(internal_scan);
2299 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2300 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2301
2302 /*
2303 * Create the debugfs files and directories
2304 *
2305 */
2306 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2307 {
2308 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2309 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2310
2311 dir_drv = debugfs_create_dir(name, phyd);
2312 if (!dir_drv)
2313 return -ENOMEM;
2314
2315 priv->debugfs_dir = dir_drv;
2316
2317 dir_data = debugfs_create_dir("data", dir_drv);
2318 if (!dir_data)
2319 goto err;
2320 dir_rf = debugfs_create_dir("rf", dir_drv);
2321 if (!dir_rf)
2322 goto err;
2323 dir_debug = debugfs_create_dir("debug", dir_drv);
2324 if (!dir_debug)
2325 goto err;
2326
2327 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2328 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2329 DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR);
2330 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2331 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2332 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2333 DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
2334 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2335 DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
2336 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2337 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2338 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2339 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2340 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2341 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2342 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2343 DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
2344 DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
2345 DEBUGFS_ADD_FILE(tx_power, dir_debug, S_IRUSR);
2346 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2347 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2348 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2349 DEBUGFS_ADD_FILE(csr, dir_debug, S_IWUSR);
2350 DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
2351 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2352 DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR);
2353 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2354 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2355 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
2356 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2357 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2358 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2359 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2360 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2361 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2362 }
2363 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal);
2364 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2365 &priv->disable_chain_noise_cal);
2366 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2367 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2368 DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf,
2369 &priv->disable_tx_power_cal);
2370 return 0;
2371
2372 err:
2373 IWL_ERR(priv, "Can't create the debugfs directory\n");
2374 iwl_dbgfs_unregister(priv);
2375 return -ENOMEM;
2376 }
2377 EXPORT_SYMBOL(iwl_dbgfs_register);
2378
2379 /**
2380 * Remove the debugfs files and directories
2381 *
2382 */
2383 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2384 {
2385 if (!priv->debugfs_dir)
2386 return;
2387
2388 debugfs_remove_recursive(priv->debugfs_dir);
2389 priv->debugfs_dir = NULL;
2390 }
2391 EXPORT_SYMBOL(iwl_dbgfs_unregister);
2392
2393
2394
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