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iwlagn: add "echo test" command to debugfs
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blobea1452cf9c902e3abb27419d804fa29a6653d30c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-core.h"
41 #include "iwl-io.h"
42 #include "iwl-agn.h"
43
44 /* create and remove of files */
45 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
46 if (!debugfs_create_file(#name, mode, parent, priv, \
47 &iwl_dbgfs_##name##_ops)) \
48 goto err; \
49 } while (0)
50
51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
52 struct dentry *__tmp; \
53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
54 parent, ptr); \
55 if (IS_ERR(__tmp) || !__tmp) \
56 goto err; \
57 } while (0)
58
59 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
60 struct dentry *__tmp; \
61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
62 parent, ptr); \
63 if (IS_ERR(__tmp) || !__tmp) \
64 goto err; \
65 } while (0)
66
67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
68 struct dentry *__tmp; \
69 __tmp = debugfs_create_u32(#name, mode, \
70 parent, ptr); \
71 if (IS_ERR(__tmp) || !__tmp) \
72 goto err; \
73 } while (0)
74
75 /* file operation */
76 #define DEBUGFS_READ_FUNC(name) \
77 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
78 char __user *user_buf, \
79 size_t count, loff_t *ppos);
80
81 #define DEBUGFS_WRITE_FUNC(name) \
82 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
83 const char __user *user_buf, \
84 size_t count, loff_t *ppos);
85
86
87 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
88 {
89 file->private_data = inode->i_private;
90 return 0;
91 }
92
93 #define DEBUGFS_READ_FILE_OPS(name) \
94 DEBUGFS_READ_FUNC(name); \
95 static const struct file_operations iwl_dbgfs_##name##_ops = { \
96 .read = iwl_dbgfs_##name##_read, \
97 .open = iwl_dbgfs_open_file_generic, \
98 .llseek = generic_file_llseek, \
99 };
100
101 #define DEBUGFS_WRITE_FILE_OPS(name) \
102 DEBUGFS_WRITE_FUNC(name); \
103 static const struct file_operations iwl_dbgfs_##name##_ops = { \
104 .write = iwl_dbgfs_##name##_write, \
105 .open = iwl_dbgfs_open_file_generic, \
106 .llseek = generic_file_llseek, \
107 };
108
109
110 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
111 DEBUGFS_READ_FUNC(name); \
112 DEBUGFS_WRITE_FUNC(name); \
113 static const struct file_operations iwl_dbgfs_##name##_ops = { \
114 .write = iwl_dbgfs_##name##_write, \
115 .read = iwl_dbgfs_##name##_read, \
116 .open = iwl_dbgfs_open_file_generic, \
117 .llseek = generic_file_llseek, \
118 };
119
120 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
121 char __user *user_buf,
122 size_t count, loff_t *ppos) {
123
124 struct iwl_priv *priv = file->private_data;
125 char *buf;
126 int pos = 0;
127
128 int cnt;
129 ssize_t ret;
130 const size_t bufsz = 100 +
131 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
132 buf = kzalloc(bufsz, GFP_KERNEL);
133 if (!buf)
134 return -ENOMEM;
135 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
136 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
137 pos += scnprintf(buf + pos, bufsz - pos,
138 "\t%25s\t\t: %u\n",
139 get_mgmt_string(cnt),
140 priv->tx_stats.mgmt[cnt]);
141 }
142 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
143 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
144 pos += scnprintf(buf + pos, bufsz - pos,
145 "\t%25s\t\t: %u\n",
146 get_ctrl_string(cnt),
147 priv->tx_stats.ctrl[cnt]);
148 }
149 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
150 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
151 priv->tx_stats.data_cnt);
152 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
153 priv->tx_stats.data_bytes);
154 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
155 kfree(buf);
156 return ret;
157 }
158
159 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
160 const char __user *user_buf,
161 size_t count, loff_t *ppos)
162 {
163 struct iwl_priv *priv = file->private_data;
164 u32 clear_flag;
165 char buf[8];
166 int buf_size;
167
168 memset(buf, 0, sizeof(buf));
169 buf_size = min(count, sizeof(buf) - 1);
170 if (copy_from_user(buf, user_buf, buf_size))
171 return -EFAULT;
172 if (sscanf(buf, "%x", &clear_flag) != 1)
173 return -EFAULT;
174 iwl_clear_traffic_stats(priv);
175
176 return count;
177 }
178
179 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
180 char __user *user_buf,
181 size_t count, loff_t *ppos) {
182
183 struct iwl_priv *priv = file->private_data;
184 char *buf;
185 int pos = 0;
186 int cnt;
187 ssize_t ret;
188 const size_t bufsz = 100 +
189 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
190 buf = kzalloc(bufsz, GFP_KERNEL);
191 if (!buf)
192 return -ENOMEM;
193
194 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
195 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
196 pos += scnprintf(buf + pos, bufsz - pos,
197 "\t%25s\t\t: %u\n",
198 get_mgmt_string(cnt),
199 priv->rx_stats.mgmt[cnt]);
200 }
201 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
202 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
203 pos += scnprintf(buf + pos, bufsz - pos,
204 "\t%25s\t\t: %u\n",
205 get_ctrl_string(cnt),
206 priv->rx_stats.ctrl[cnt]);
207 }
208 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
209 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
210 priv->rx_stats.data_cnt);
211 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
212 priv->rx_stats.data_bytes);
213
214 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
215 kfree(buf);
216 return ret;
217 }
218
219 static ssize_t iwl_dbgfs_sram_read(struct file *file,
220 char __user *user_buf,
221 size_t count, loff_t *ppos)
222 {
223 u32 val = 0;
224 char *buf;
225 ssize_t ret;
226 int i = 0;
227 bool device_format = false;
228 int offset = 0;
229 int len = 0;
230 int pos = 0;
231 int sram;
232 struct iwl_priv *priv = file->private_data;
233 size_t bufsz;
234
235 /* default is to dump the entire data segment */
236 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
237 priv->dbgfs_sram_offset = 0x800000;
238 if (priv->ucode_type == IWL_UCODE_INIT)
239 priv->dbgfs_sram_len = priv->ucode_init.data.len;
240 else
241 priv->dbgfs_sram_len = priv->ucode_rt.data.len;
242 }
243 len = priv->dbgfs_sram_len;
244
245 if (len == -4) {
246 device_format = true;
247 len = 4;
248 }
249
250 bufsz = 50 + len * 4;
251 buf = kmalloc(bufsz, GFP_KERNEL);
252 if (!buf)
253 return -ENOMEM;
254
255 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
256 len);
257 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
258 priv->dbgfs_sram_offset);
259
260 /* adjust sram address since reads are only on even u32 boundaries */
261 offset = priv->dbgfs_sram_offset & 0x3;
262 sram = priv->dbgfs_sram_offset & ~0x3;
263
264 /* read the first u32 from sram */
265 val = iwl_read_targ_mem(bus(priv), sram);
266
267 for (; len; len--) {
268 /* put the address at the start of every line */
269 if (i == 0)
270 pos += scnprintf(buf + pos, bufsz - pos,
271 "%08X: ", sram + offset);
272
273 if (device_format)
274 pos += scnprintf(buf + pos, bufsz - pos,
275 "%02x", (val >> (8 * (3 - offset))) & 0xff);
276 else
277 pos += scnprintf(buf + pos, bufsz - pos,
278 "%02x ", (val >> (8 * offset)) & 0xff);
279
280 /* if all bytes processed, read the next u32 from sram */
281 if (++offset == 4) {
282 sram += 4;
283 offset = 0;
284 val = iwl_read_targ_mem(bus(priv), sram);
285 }
286
287 /* put in extra spaces and split lines for human readability */
288 if (++i == 16) {
289 i = 0;
290 pos += scnprintf(buf + pos, bufsz - pos, "\n");
291 } else if (!(i & 7)) {
292 pos += scnprintf(buf + pos, bufsz - pos, " ");
293 } else if (!(i & 3)) {
294 pos += scnprintf(buf + pos, bufsz - pos, " ");
295 }
296 }
297 if (i)
298 pos += scnprintf(buf + pos, bufsz - pos, "\n");
299
300 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
301 kfree(buf);
302 return ret;
303 }
304
305 static ssize_t iwl_dbgfs_sram_write(struct file *file,
306 const char __user *user_buf,
307 size_t count, loff_t *ppos)
308 {
309 struct iwl_priv *priv = file->private_data;
310 char buf[64];
311 int buf_size;
312 u32 offset, len;
313
314 memset(buf, 0, sizeof(buf));
315 buf_size = min(count, sizeof(buf) - 1);
316 if (copy_from_user(buf, user_buf, buf_size))
317 return -EFAULT;
318
319 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
320 priv->dbgfs_sram_offset = offset;
321 priv->dbgfs_sram_len = len;
322 } else if (sscanf(buf, "%x", &offset) == 1) {
323 priv->dbgfs_sram_offset = offset;
324 priv->dbgfs_sram_len = -4;
325 } else {
326 priv->dbgfs_sram_offset = 0;
327 priv->dbgfs_sram_len = 0;
328 }
329
330 return count;
331 }
332
333 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
334 char __user *user_buf,
335 size_t count, loff_t *ppos)
336 {
337 struct iwl_priv *priv = file->private_data;
338
339 if (!priv->wowlan_sram)
340 return -ENODATA;
341
342 return simple_read_from_buffer(user_buf, count, ppos,
343 priv->wowlan_sram,
344 priv->ucode_wowlan.data.len);
345 }
346 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
347 size_t count, loff_t *ppos)
348 {
349 struct iwl_priv *priv = file->private_data;
350 struct iwl_station_entry *station;
351 struct iwl_tid_data *tid_data;
352 int max_sta = hw_params(priv).max_stations;
353 char *buf;
354 int i, j, pos = 0;
355 ssize_t ret;
356 /* Add 30 for initial string */
357 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
358
359 buf = kmalloc(bufsz, GFP_KERNEL);
360 if (!buf)
361 return -ENOMEM;
362
363 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
364 priv->num_stations);
365
366 for (i = 0; i < max_sta; i++) {
367 station = &priv->stations[i];
368 if (!station->used)
369 continue;
370 pos += scnprintf(buf + pos, bufsz - pos,
371 "station %d - addr: %pM, flags: %#x\n",
372 i, station->sta.sta.addr,
373 station->sta.station_flags_msk);
374 pos += scnprintf(buf + pos, bufsz - pos,
375 "TID\tseq_num\ttxq_id\ttfds\trate_n_flags\n");
376
377 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
378 tid_data = &priv->shrd->tid_data[i][j];
379 pos += scnprintf(buf + pos, bufsz - pos,
380 "%d:\t%#x\t%#x\t%u\t%#x",
381 j, tid_data->seq_number,
382 tid_data->agg.txq_id,
383 tid_data->tfds_in_queue,
384 tid_data->agg.rate_n_flags);
385
386 if (tid_data->agg.wait_for_ba)
387 pos += scnprintf(buf + pos, bufsz - pos,
388 " - waitforba");
389 pos += scnprintf(buf + pos, bufsz - pos, "\n");
390 }
391
392 pos += scnprintf(buf + pos, bufsz - pos, "\n");
393 }
394
395 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
396 kfree(buf);
397 return ret;
398 }
399
400 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
401 char __user *user_buf,
402 size_t count,
403 loff_t *ppos)
404 {
405 ssize_t ret;
406 struct iwl_priv *priv = file->private_data;
407 int pos = 0, ofs = 0, buf_size = 0;
408 const u8 *ptr;
409 char *buf;
410 u16 eeprom_ver;
411 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
412 buf_size = 4 * eeprom_len + 256;
413
414 if (eeprom_len % 16) {
415 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
416 return -ENODATA;
417 }
418
419 ptr = priv->eeprom;
420 if (!ptr) {
421 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
422 return -ENOMEM;
423 }
424
425 /* 4 characters for byte 0xYY */
426 buf = kzalloc(buf_size, GFP_KERNEL);
427 if (!buf) {
428 IWL_ERR(priv, "Can not allocate Buffer\n");
429 return -ENOMEM;
430 }
431 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
432 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
433 "version: 0x%x\n",
434 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
435 ? "OTP" : "EEPROM", eeprom_ver);
436 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
437 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
438 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
439 buf_size - pos, 0);
440 pos += strlen(buf + pos);
441 if (buf_size - pos > 0)
442 buf[pos++] = '\n';
443 }
444
445 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
446 kfree(buf);
447 return ret;
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->shrd->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 channels[i].hw_value,
481 channels[i].max_power,
482 channels[i].flags & IEEE80211_CHAN_RADAR ?
483 " (IEEE 802.11h required)" : "",
484 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
485 || (channels[i].flags &
486 IEEE80211_CHAN_RADAR)) ? "" :
487 ", IBSS",
488 channels[i].flags &
489 IEEE80211_CHAN_PASSIVE_SCAN ?
490 "passive only" : "active/passive");
491 }
492 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
493 if (supp_band) {
494 channels = supp_band->channels;
495
496 pos += scnprintf(buf + pos, bufsz - pos,
497 "Displaying %d channels in 5.2GHz band (802.11a)\n",
498 supp_band->n_channels);
499
500 for (i = 0; i < supp_band->n_channels; i++)
501 pos += scnprintf(buf + pos, bufsz - pos,
502 "%d: %ddBm: BSS%s%s, %s.\n",
503 channels[i].hw_value,
504 channels[i].max_power,
505 channels[i].flags & IEEE80211_CHAN_RADAR ?
506 " (IEEE 802.11h required)" : "",
507 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
508 || (channels[i].flags &
509 IEEE80211_CHAN_RADAR)) ? "" :
510 ", IBSS",
511 channels[i].flags &
512 IEEE80211_CHAN_PASSIVE_SCAN ?
513 "passive only" : "active/passive");
514 }
515 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
516 kfree(buf);
517 return ret;
518 }
519
520 static ssize_t iwl_dbgfs_status_read(struct file *file,
521 char __user *user_buf,
522 size_t count, loff_t *ppos) {
523
524 struct iwl_priv *priv = file->private_data;
525 char buf[512];
526 int pos = 0;
527 const size_t bufsz = sizeof(buf);
528
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
530 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
532 test_bit(STATUS_INT_ENABLED, &priv->shrd->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
534 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
536 test_bit(STATUS_CT_KILL, &priv->shrd->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
538 test_bit(STATUS_INIT, &priv->shrd->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
540 test_bit(STATUS_ALIVE, &priv->shrd->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
542 test_bit(STATUS_READY, &priv->shrd->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
544 test_bit(STATUS_TEMPERATURE, &priv->shrd->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
546 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
548 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
550 test_bit(STATUS_STATISTICS, &priv->shrd->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
552 test_bit(STATUS_SCANNING, &priv->shrd->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
554 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
556 test_bit(STATUS_SCAN_HW, &priv->shrd->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
558 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
560 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
561 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
562 }
563
564 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
565 char __user *user_buf,
566 size_t count, loff_t *ppos) {
567
568 struct iwl_priv *priv = file->private_data;
569
570 int pos = 0;
571 int cnt = 0;
572 char *buf;
573 int bufsz = 24 * 64; /* 24 items * 64 char per item */
574 ssize_t ret;
575
576 buf = kzalloc(bufsz, GFP_KERNEL);
577 if (!buf) {
578 IWL_ERR(priv, "Can not allocate Buffer\n");
579 return -ENOMEM;
580 }
581
582 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
583 if (priv->rx_handlers_stats[cnt] > 0)
584 pos += scnprintf(buf + pos, bufsz - pos,
585 "\tRx handler[%36s]:\t\t %u\n",
586 get_cmd_string(cnt),
587 priv->rx_handlers_stats[cnt]);
588 }
589
590 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
591 kfree(buf);
592 return ret;
593 }
594
595 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
596 const char __user *user_buf,
597 size_t count, loff_t *ppos)
598 {
599 struct iwl_priv *priv = file->private_data;
600
601 char buf[8];
602 int buf_size;
603 u32 reset_flag;
604
605 memset(buf, 0, sizeof(buf));
606 buf_size = min(count, sizeof(buf) - 1);
607 if (copy_from_user(buf, user_buf, buf_size))
608 return -EFAULT;
609 if (sscanf(buf, "%x", &reset_flag) != 1)
610 return -EFAULT;
611 if (reset_flag == 0)
612 memset(&priv->rx_handlers_stats[0], 0,
613 sizeof(priv->rx_handlers_stats));
614
615 return count;
616 }
617
618 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
619 size_t count, loff_t *ppos)
620 {
621 struct iwl_priv *priv = file->private_data;
622 struct iwl_rxon_context *ctx;
623 int pos = 0, i;
624 char buf[256 * NUM_IWL_RXON_CTX];
625 const size_t bufsz = sizeof(buf);
626
627 for_each_context(priv, ctx) {
628 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
629 ctx->ctxid);
630 for (i = 0; i < AC_NUM; i++) {
631 pos += scnprintf(buf + pos, bufsz - pos,
632 "\tcw_min\tcw_max\taifsn\ttxop\n");
633 pos += scnprintf(buf + pos, bufsz - pos,
634 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
635 ctx->qos_data.def_qos_parm.ac[i].cw_min,
636 ctx->qos_data.def_qos_parm.ac[i].cw_max,
637 ctx->qos_data.def_qos_parm.ac[i].aifsn,
638 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
639 }
640 pos += scnprintf(buf + pos, bufsz - pos, "\n");
641 }
642 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
643 }
644
645 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
646 char __user *user_buf,
647 size_t count, loff_t *ppos)
648 {
649 struct iwl_priv *priv = file->private_data;
650 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
651 struct iwl_tt_restriction *restriction;
652 char buf[100];
653 int pos = 0;
654 const size_t bufsz = sizeof(buf);
655
656 pos += scnprintf(buf + pos, bufsz - pos,
657 "Thermal Throttling Mode: %s\n",
658 tt->advanced_tt ? "Advance" : "Legacy");
659 pos += scnprintf(buf + pos, bufsz - pos,
660 "Thermal Throttling State: %d\n",
661 tt->state);
662 if (tt->advanced_tt) {
663 restriction = tt->restriction + tt->state;
664 pos += scnprintf(buf + pos, bufsz - pos,
665 "Tx mode: %d\n",
666 restriction->tx_stream);
667 pos += scnprintf(buf + pos, bufsz - pos,
668 "Rx mode: %d\n",
669 restriction->rx_stream);
670 pos += scnprintf(buf + pos, bufsz - pos,
671 "HT mode: %d\n",
672 restriction->is_ht);
673 }
674 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
675 }
676
677 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
678 const char __user *user_buf,
679 size_t count, loff_t *ppos)
680 {
681 struct iwl_priv *priv = file->private_data;
682 char buf[8];
683 int buf_size;
684 int ht40;
685
686 memset(buf, 0, sizeof(buf));
687 buf_size = min(count, sizeof(buf) - 1);
688 if (copy_from_user(buf, user_buf, buf_size))
689 return -EFAULT;
690 if (sscanf(buf, "%d", &ht40) != 1)
691 return -EFAULT;
692 if (!iwl_is_any_associated(priv))
693 priv->disable_ht40 = ht40 ? true : false;
694 else {
695 IWL_ERR(priv, "Sta associated with AP - "
696 "Change to 40MHz channel support is not allowed\n");
697 return -EINVAL;
698 }
699
700 return count;
701 }
702
703 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
704 char __user *user_buf,
705 size_t count, loff_t *ppos)
706 {
707 struct iwl_priv *priv = file->private_data;
708 char buf[100];
709 int pos = 0;
710 const size_t bufsz = sizeof(buf);
711
712 pos += scnprintf(buf + pos, bufsz - pos,
713 "11n 40MHz Mode: %s\n",
714 priv->disable_ht40 ? "Disabled" : "Enabled");
715 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
716 }
717
718 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
719 char __user *user_buf,
720 size_t count, loff_t *ppos)
721 {
722 struct iwl_priv *priv = file->private_data;
723 char buf[8];
724 int pos = 0;
725 const size_t bufsz = sizeof(buf);
726
727 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
728 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
729 }
730
731
732 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
733 const char __user *user_buf,
734 size_t count, loff_t *ppos)
735 {
736 struct iwl_priv *priv = file->private_data;
737 char buf[8];
738 int buf_size;
739 int value;
740
741 memset(buf, 0, sizeof(buf));
742 buf_size = min(count, sizeof(buf) - 1);
743 if (copy_from_user(buf, user_buf, buf_size))
744 return -EFAULT;
745
746 if (sscanf(buf, "%d", &value) != 1)
747 return -EINVAL;
748
749 /*
750 * Our users expect 0 to be "CAM", but 0 isn't actually
751 * valid here. However, let's not confuse them and present
752 * IWL_POWER_INDEX_1 as "1", not "0".
753 */
754 if (value == 0)
755 return -EINVAL;
756 else if (value > 0)
757 value -= 1;
758
759 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
760 return -EINVAL;
761
762 if (!iwl_is_ready_rf(priv->shrd))
763 return -EAGAIN;
764
765 priv->power_data.debug_sleep_level_override = value;
766
767 mutex_lock(&priv->shrd->mutex);
768 iwl_power_update_mode(priv, true);
769 mutex_unlock(&priv->shrd->mutex);
770
771 return count;
772 }
773
774 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
775 char __user *user_buf,
776 size_t count, loff_t *ppos)
777 {
778 struct iwl_priv *priv = file->private_data;
779 char buf[10];
780 int pos, value;
781 const size_t bufsz = sizeof(buf);
782
783 /* see the write function */
784 value = priv->power_data.debug_sleep_level_override;
785 if (value >= 0)
786 value += 1;
787
788 pos = scnprintf(buf, bufsz, "%d\n", value);
789 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
790 }
791
792 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
793 char __user *user_buf,
794 size_t count, loff_t *ppos)
795 {
796 struct iwl_priv *priv = file->private_data;
797 char buf[200];
798 int pos = 0, i;
799 const size_t bufsz = sizeof(buf);
800 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
801
802 pos += scnprintf(buf + pos, bufsz - pos,
803 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
804 pos += scnprintf(buf + pos, bufsz - pos,
805 "RX/TX timeout: %d/%d usec\n",
806 le32_to_cpu(cmd->rx_data_timeout),
807 le32_to_cpu(cmd->tx_data_timeout));
808 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
809 pos += scnprintf(buf + pos, bufsz - pos,
810 "sleep_interval[%d]: %d\n", i,
811 le32_to_cpu(cmd->sleep_interval[i]));
812
813 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
814 }
815
816 DEBUGFS_READ_WRITE_FILE_OPS(sram);
817 DEBUGFS_READ_FILE_OPS(wowlan_sram);
818 DEBUGFS_READ_FILE_OPS(nvm);
819 DEBUGFS_READ_FILE_OPS(stations);
820 DEBUGFS_READ_FILE_OPS(channels);
821 DEBUGFS_READ_FILE_OPS(status);
822 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
823 DEBUGFS_READ_FILE_OPS(qos);
824 DEBUGFS_READ_FILE_OPS(thermal_throttling);
825 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
826 DEBUGFS_READ_FILE_OPS(temperature);
827 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
828 DEBUGFS_READ_FILE_OPS(current_sleep_command);
829
830 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
831 char __user *user_buf,
832 size_t count, loff_t *ppos)
833 {
834 struct iwl_priv *priv = file->private_data;
835 int pos = 0, ofs = 0;
836 int cnt = 0, entry;
837
838 char *buf;
839 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
840 (hw_params(priv).max_txq_num * 32 * 8) + 400;
841 const u8 *ptr;
842 ssize_t ret;
843
844 buf = kzalloc(bufsz, GFP_KERNEL);
845 if (!buf) {
846 IWL_ERR(priv, "Can not allocate buffer\n");
847 return -ENOMEM;
848 }
849 if (priv->tx_traffic &&
850 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
851 ptr = priv->tx_traffic;
852 pos += scnprintf(buf + pos, bufsz - pos,
853 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
854 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
855 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
856 entry++, ofs += 16) {
857 pos += scnprintf(buf + pos, bufsz - pos,
858 "0x%.4x ", ofs);
859 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
860 buf + pos, bufsz - pos, 0);
861 pos += strlen(buf + pos);
862 if (bufsz - pos > 0)
863 buf[pos++] = '\n';
864 }
865 }
866 }
867
868 if (priv->rx_traffic &&
869 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
870 ptr = priv->rx_traffic;
871 pos += scnprintf(buf + pos, bufsz - pos,
872 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
873 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
874 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
875 entry++, ofs += 16) {
876 pos += scnprintf(buf + pos, bufsz - pos,
877 "0x%.4x ", ofs);
878 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
879 buf + pos, bufsz - pos, 0);
880 pos += strlen(buf + pos);
881 if (bufsz - pos > 0)
882 buf[pos++] = '\n';
883 }
884 }
885 }
886
887 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
888 kfree(buf);
889 return ret;
890 }
891
892 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
893 const char __user *user_buf,
894 size_t count, loff_t *ppos)
895 {
896 struct iwl_priv *priv = file->private_data;
897 char buf[8];
898 int buf_size;
899 int traffic_log;
900
901 memset(buf, 0, sizeof(buf));
902 buf_size = min(count, sizeof(buf) - 1);
903 if (copy_from_user(buf, user_buf, buf_size))
904 return -EFAULT;
905 if (sscanf(buf, "%d", &traffic_log) != 1)
906 return -EFAULT;
907 if (traffic_log == 0)
908 iwl_reset_traffic_log(priv);
909
910 return count;
911 }
912
913 static const char *fmt_value = " %-30s %10u\n";
914 static const char *fmt_hex = " %-30s 0x%02X\n";
915 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
916 static const char *fmt_header =
917 "%-32s current cumulative delta max\n";
918
919 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
920 {
921 int p = 0;
922 u32 flag;
923
924 flag = le32_to_cpu(priv->statistics.flag);
925
926 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
927 if (flag & UCODE_STATISTICS_CLEAR_MSK)
928 p += scnprintf(buf + p, bufsz - p,
929 "\tStatistics have been cleared\n");
930 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
931 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
932 ? "2.4 GHz" : "5.2 GHz");
933 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
934 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
935 ? "enabled" : "disabled");
936
937 return p;
938 }
939
940 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
941 char __user *user_buf,
942 size_t count, loff_t *ppos)
943 {
944 struct iwl_priv *priv = file->private_data;
945 int pos = 0;
946 char *buf;
947 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
948 sizeof(struct statistics_rx_non_phy) * 40 +
949 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
950 ssize_t ret;
951 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
952 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
953 struct statistics_rx_non_phy *general, *accum_general;
954 struct statistics_rx_non_phy *delta_general, *max_general;
955 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
956
957 if (!iwl_is_alive(priv->shrd))
958 return -EAGAIN;
959
960 buf = kzalloc(bufsz, GFP_KERNEL);
961 if (!buf) {
962 IWL_ERR(priv, "Can not allocate Buffer\n");
963 return -ENOMEM;
964 }
965
966 /*
967 * the statistic information display here is based on
968 * the last statistics notification from uCode
969 * might not reflect the current uCode activity
970 */
971 ofdm = &priv->statistics.rx_ofdm;
972 cck = &priv->statistics.rx_cck;
973 general = &priv->statistics.rx_non_phy;
974 ht = &priv->statistics.rx_ofdm_ht;
975 accum_ofdm = &priv->accum_stats.rx_ofdm;
976 accum_cck = &priv->accum_stats.rx_cck;
977 accum_general = &priv->accum_stats.rx_non_phy;
978 accum_ht = &priv->accum_stats.rx_ofdm_ht;
979 delta_ofdm = &priv->delta_stats.rx_ofdm;
980 delta_cck = &priv->delta_stats.rx_cck;
981 delta_general = &priv->delta_stats.rx_non_phy;
982 delta_ht = &priv->delta_stats.rx_ofdm_ht;
983 max_ofdm = &priv->max_delta_stats.rx_ofdm;
984 max_cck = &priv->max_delta_stats.rx_cck;
985 max_general = &priv->max_delta_stats.rx_non_phy;
986 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
987
988 pos += iwl_statistics_flag(priv, buf, bufsz);
989 pos += scnprintf(buf + pos, bufsz - pos,
990 fmt_header, "Statistics_Rx - OFDM:");
991 pos += scnprintf(buf + pos, bufsz - pos,
992 fmt_table, "ina_cnt:",
993 le32_to_cpu(ofdm->ina_cnt),
994 accum_ofdm->ina_cnt,
995 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
996 pos += scnprintf(buf + pos, bufsz - pos,
997 fmt_table, "fina_cnt:",
998 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
999 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1000 pos += scnprintf(buf + pos, bufsz - pos,
1001 fmt_table, "plcp_err:",
1002 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1003 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1004 pos += scnprintf(buf + pos, bufsz - pos,
1005 fmt_table, "crc32_err:",
1006 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1007 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1008 pos += scnprintf(buf + pos, bufsz - pos,
1009 fmt_table, "overrun_err:",
1010 le32_to_cpu(ofdm->overrun_err),
1011 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1012 max_ofdm->overrun_err);
1013 pos += scnprintf(buf + pos, bufsz - pos,
1014 fmt_table, "early_overrun_err:",
1015 le32_to_cpu(ofdm->early_overrun_err),
1016 accum_ofdm->early_overrun_err,
1017 delta_ofdm->early_overrun_err,
1018 max_ofdm->early_overrun_err);
1019 pos += scnprintf(buf + pos, bufsz - pos,
1020 fmt_table, "crc32_good:",
1021 le32_to_cpu(ofdm->crc32_good),
1022 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1023 max_ofdm->crc32_good);
1024 pos += scnprintf(buf + pos, bufsz - pos,
1025 fmt_table, "false_alarm_cnt:",
1026 le32_to_cpu(ofdm->false_alarm_cnt),
1027 accum_ofdm->false_alarm_cnt,
1028 delta_ofdm->false_alarm_cnt,
1029 max_ofdm->false_alarm_cnt);
1030 pos += scnprintf(buf + pos, bufsz - pos,
1031 fmt_table, "fina_sync_err_cnt:",
1032 le32_to_cpu(ofdm->fina_sync_err_cnt),
1033 accum_ofdm->fina_sync_err_cnt,
1034 delta_ofdm->fina_sync_err_cnt,
1035 max_ofdm->fina_sync_err_cnt);
1036 pos += scnprintf(buf + pos, bufsz - pos,
1037 fmt_table, "sfd_timeout:",
1038 le32_to_cpu(ofdm->sfd_timeout),
1039 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1040 max_ofdm->sfd_timeout);
1041 pos += scnprintf(buf + pos, bufsz - pos,
1042 fmt_table, "fina_timeout:",
1043 le32_to_cpu(ofdm->fina_timeout),
1044 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1045 max_ofdm->fina_timeout);
1046 pos += scnprintf(buf + pos, bufsz - pos,
1047 fmt_table, "unresponded_rts:",
1048 le32_to_cpu(ofdm->unresponded_rts),
1049 accum_ofdm->unresponded_rts,
1050 delta_ofdm->unresponded_rts,
1051 max_ofdm->unresponded_rts);
1052 pos += scnprintf(buf + pos, bufsz - pos,
1053 fmt_table, "rxe_frame_lmt_ovrun:",
1054 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1055 accum_ofdm->rxe_frame_limit_overrun,
1056 delta_ofdm->rxe_frame_limit_overrun,
1057 max_ofdm->rxe_frame_limit_overrun);
1058 pos += scnprintf(buf + pos, bufsz - pos,
1059 fmt_table, "sent_ack_cnt:",
1060 le32_to_cpu(ofdm->sent_ack_cnt),
1061 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1062 max_ofdm->sent_ack_cnt);
1063 pos += scnprintf(buf + pos, bufsz - pos,
1064 fmt_table, "sent_cts_cnt:",
1065 le32_to_cpu(ofdm->sent_cts_cnt),
1066 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1067 max_ofdm->sent_cts_cnt);
1068 pos += scnprintf(buf + pos, bufsz - pos,
1069 fmt_table, "sent_ba_rsp_cnt:",
1070 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1071 accum_ofdm->sent_ba_rsp_cnt,
1072 delta_ofdm->sent_ba_rsp_cnt,
1073 max_ofdm->sent_ba_rsp_cnt);
1074 pos += scnprintf(buf + pos, bufsz - pos,
1075 fmt_table, "dsp_self_kill:",
1076 le32_to_cpu(ofdm->dsp_self_kill),
1077 accum_ofdm->dsp_self_kill,
1078 delta_ofdm->dsp_self_kill,
1079 max_ofdm->dsp_self_kill);
1080 pos += scnprintf(buf + pos, bufsz - pos,
1081 fmt_table, "mh_format_err:",
1082 le32_to_cpu(ofdm->mh_format_err),
1083 accum_ofdm->mh_format_err,
1084 delta_ofdm->mh_format_err,
1085 max_ofdm->mh_format_err);
1086 pos += scnprintf(buf + pos, bufsz - pos,
1087 fmt_table, "re_acq_main_rssi_sum:",
1088 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1089 accum_ofdm->re_acq_main_rssi_sum,
1090 delta_ofdm->re_acq_main_rssi_sum,
1091 max_ofdm->re_acq_main_rssi_sum);
1092
1093 pos += scnprintf(buf + pos, bufsz - pos,
1094 fmt_header, "Statistics_Rx - CCK:");
1095 pos += scnprintf(buf + pos, bufsz - pos,
1096 fmt_table, "ina_cnt:",
1097 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1098 delta_cck->ina_cnt, max_cck->ina_cnt);
1099 pos += scnprintf(buf + pos, bufsz - pos,
1100 fmt_table, "fina_cnt:",
1101 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1102 delta_cck->fina_cnt, max_cck->fina_cnt);
1103 pos += scnprintf(buf + pos, bufsz - pos,
1104 fmt_table, "plcp_err:",
1105 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1106 delta_cck->plcp_err, max_cck->plcp_err);
1107 pos += scnprintf(buf + pos, bufsz - pos,
1108 fmt_table, "crc32_err:",
1109 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1110 delta_cck->crc32_err, max_cck->crc32_err);
1111 pos += scnprintf(buf + pos, bufsz - pos,
1112 fmt_table, "overrun_err:",
1113 le32_to_cpu(cck->overrun_err),
1114 accum_cck->overrun_err, delta_cck->overrun_err,
1115 max_cck->overrun_err);
1116 pos += scnprintf(buf + pos, bufsz - pos,
1117 fmt_table, "early_overrun_err:",
1118 le32_to_cpu(cck->early_overrun_err),
1119 accum_cck->early_overrun_err,
1120 delta_cck->early_overrun_err,
1121 max_cck->early_overrun_err);
1122 pos += scnprintf(buf + pos, bufsz - pos,
1123 fmt_table, "crc32_good:",
1124 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1125 delta_cck->crc32_good, max_cck->crc32_good);
1126 pos += scnprintf(buf + pos, bufsz - pos,
1127 fmt_table, "false_alarm_cnt:",
1128 le32_to_cpu(cck->false_alarm_cnt),
1129 accum_cck->false_alarm_cnt,
1130 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1131 pos += scnprintf(buf + pos, bufsz - pos,
1132 fmt_table, "fina_sync_err_cnt:",
1133 le32_to_cpu(cck->fina_sync_err_cnt),
1134 accum_cck->fina_sync_err_cnt,
1135 delta_cck->fina_sync_err_cnt,
1136 max_cck->fina_sync_err_cnt);
1137 pos += scnprintf(buf + pos, bufsz - pos,
1138 fmt_table, "sfd_timeout:",
1139 le32_to_cpu(cck->sfd_timeout),
1140 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1141 max_cck->sfd_timeout);
1142 pos += scnprintf(buf + pos, bufsz - pos,
1143 fmt_table, "fina_timeout:",
1144 le32_to_cpu(cck->fina_timeout),
1145 accum_cck->fina_timeout, delta_cck->fina_timeout,
1146 max_cck->fina_timeout);
1147 pos += scnprintf(buf + pos, bufsz - pos,
1148 fmt_table, "unresponded_rts:",
1149 le32_to_cpu(cck->unresponded_rts),
1150 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1151 max_cck->unresponded_rts);
1152 pos += scnprintf(buf + pos, bufsz - pos,
1153 fmt_table, "rxe_frame_lmt_ovrun:",
1154 le32_to_cpu(cck->rxe_frame_limit_overrun),
1155 accum_cck->rxe_frame_limit_overrun,
1156 delta_cck->rxe_frame_limit_overrun,
1157 max_cck->rxe_frame_limit_overrun);
1158 pos += scnprintf(buf + pos, bufsz - pos,
1159 fmt_table, "sent_ack_cnt:",
1160 le32_to_cpu(cck->sent_ack_cnt),
1161 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1162 max_cck->sent_ack_cnt);
1163 pos += scnprintf(buf + pos, bufsz - pos,
1164 fmt_table, "sent_cts_cnt:",
1165 le32_to_cpu(cck->sent_cts_cnt),
1166 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1167 max_cck->sent_cts_cnt);
1168 pos += scnprintf(buf + pos, bufsz - pos,
1169 fmt_table, "sent_ba_rsp_cnt:",
1170 le32_to_cpu(cck->sent_ba_rsp_cnt),
1171 accum_cck->sent_ba_rsp_cnt,
1172 delta_cck->sent_ba_rsp_cnt,
1173 max_cck->sent_ba_rsp_cnt);
1174 pos += scnprintf(buf + pos, bufsz - pos,
1175 fmt_table, "dsp_self_kill:",
1176 le32_to_cpu(cck->dsp_self_kill),
1177 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1178 max_cck->dsp_self_kill);
1179 pos += scnprintf(buf + pos, bufsz - pos,
1180 fmt_table, "mh_format_err:",
1181 le32_to_cpu(cck->mh_format_err),
1182 accum_cck->mh_format_err, delta_cck->mh_format_err,
1183 max_cck->mh_format_err);
1184 pos += scnprintf(buf + pos, bufsz - pos,
1185 fmt_table, "re_acq_main_rssi_sum:",
1186 le32_to_cpu(cck->re_acq_main_rssi_sum),
1187 accum_cck->re_acq_main_rssi_sum,
1188 delta_cck->re_acq_main_rssi_sum,
1189 max_cck->re_acq_main_rssi_sum);
1190
1191 pos += scnprintf(buf + pos, bufsz - pos,
1192 fmt_header, "Statistics_Rx - GENERAL:");
1193 pos += scnprintf(buf + pos, bufsz - pos,
1194 fmt_table, "bogus_cts:",
1195 le32_to_cpu(general->bogus_cts),
1196 accum_general->bogus_cts, delta_general->bogus_cts,
1197 max_general->bogus_cts);
1198 pos += scnprintf(buf + pos, bufsz - pos,
1199 fmt_table, "bogus_ack:",
1200 le32_to_cpu(general->bogus_ack),
1201 accum_general->bogus_ack, delta_general->bogus_ack,
1202 max_general->bogus_ack);
1203 pos += scnprintf(buf + pos, bufsz - pos,
1204 fmt_table, "non_bssid_frames:",
1205 le32_to_cpu(general->non_bssid_frames),
1206 accum_general->non_bssid_frames,
1207 delta_general->non_bssid_frames,
1208 max_general->non_bssid_frames);
1209 pos += scnprintf(buf + pos, bufsz - pos,
1210 fmt_table, "filtered_frames:",
1211 le32_to_cpu(general->filtered_frames),
1212 accum_general->filtered_frames,
1213 delta_general->filtered_frames,
1214 max_general->filtered_frames);
1215 pos += scnprintf(buf + pos, bufsz - pos,
1216 fmt_table, "non_channel_beacons:",
1217 le32_to_cpu(general->non_channel_beacons),
1218 accum_general->non_channel_beacons,
1219 delta_general->non_channel_beacons,
1220 max_general->non_channel_beacons);
1221 pos += scnprintf(buf + pos, bufsz - pos,
1222 fmt_table, "channel_beacons:",
1223 le32_to_cpu(general->channel_beacons),
1224 accum_general->channel_beacons,
1225 delta_general->channel_beacons,
1226 max_general->channel_beacons);
1227 pos += scnprintf(buf + pos, bufsz - pos,
1228 fmt_table, "num_missed_bcon:",
1229 le32_to_cpu(general->num_missed_bcon),
1230 accum_general->num_missed_bcon,
1231 delta_general->num_missed_bcon,
1232 max_general->num_missed_bcon);
1233 pos += scnprintf(buf + pos, bufsz - pos,
1234 fmt_table, "adc_rx_saturation_time:",
1235 le32_to_cpu(general->adc_rx_saturation_time),
1236 accum_general->adc_rx_saturation_time,
1237 delta_general->adc_rx_saturation_time,
1238 max_general->adc_rx_saturation_time);
1239 pos += scnprintf(buf + pos, bufsz - pos,
1240 fmt_table, "ina_detect_search_tm:",
1241 le32_to_cpu(general->ina_detection_search_time),
1242 accum_general->ina_detection_search_time,
1243 delta_general->ina_detection_search_time,
1244 max_general->ina_detection_search_time);
1245 pos += scnprintf(buf + pos, bufsz - pos,
1246 fmt_table, "beacon_silence_rssi_a:",
1247 le32_to_cpu(general->beacon_silence_rssi_a),
1248 accum_general->beacon_silence_rssi_a,
1249 delta_general->beacon_silence_rssi_a,
1250 max_general->beacon_silence_rssi_a);
1251 pos += scnprintf(buf + pos, bufsz - pos,
1252 fmt_table, "beacon_silence_rssi_b:",
1253 le32_to_cpu(general->beacon_silence_rssi_b),
1254 accum_general->beacon_silence_rssi_b,
1255 delta_general->beacon_silence_rssi_b,
1256 max_general->beacon_silence_rssi_b);
1257 pos += scnprintf(buf + pos, bufsz - pos,
1258 fmt_table, "beacon_silence_rssi_c:",
1259 le32_to_cpu(general->beacon_silence_rssi_c),
1260 accum_general->beacon_silence_rssi_c,
1261 delta_general->beacon_silence_rssi_c,
1262 max_general->beacon_silence_rssi_c);
1263 pos += scnprintf(buf + pos, bufsz - pos,
1264 fmt_table, "interference_data_flag:",
1265 le32_to_cpu(general->interference_data_flag),
1266 accum_general->interference_data_flag,
1267 delta_general->interference_data_flag,
1268 max_general->interference_data_flag);
1269 pos += scnprintf(buf + pos, bufsz - pos,
1270 fmt_table, "channel_load:",
1271 le32_to_cpu(general->channel_load),
1272 accum_general->channel_load,
1273 delta_general->channel_load,
1274 max_general->channel_load);
1275 pos += scnprintf(buf + pos, bufsz - pos,
1276 fmt_table, "dsp_false_alarms:",
1277 le32_to_cpu(general->dsp_false_alarms),
1278 accum_general->dsp_false_alarms,
1279 delta_general->dsp_false_alarms,
1280 max_general->dsp_false_alarms);
1281 pos += scnprintf(buf + pos, bufsz - pos,
1282 fmt_table, "beacon_rssi_a:",
1283 le32_to_cpu(general->beacon_rssi_a),
1284 accum_general->beacon_rssi_a,
1285 delta_general->beacon_rssi_a,
1286 max_general->beacon_rssi_a);
1287 pos += scnprintf(buf + pos, bufsz - pos,
1288 fmt_table, "beacon_rssi_b:",
1289 le32_to_cpu(general->beacon_rssi_b),
1290 accum_general->beacon_rssi_b,
1291 delta_general->beacon_rssi_b,
1292 max_general->beacon_rssi_b);
1293 pos += scnprintf(buf + pos, bufsz - pos,
1294 fmt_table, "beacon_rssi_c:",
1295 le32_to_cpu(general->beacon_rssi_c),
1296 accum_general->beacon_rssi_c,
1297 delta_general->beacon_rssi_c,
1298 max_general->beacon_rssi_c);
1299 pos += scnprintf(buf + pos, bufsz - pos,
1300 fmt_table, "beacon_energy_a:",
1301 le32_to_cpu(general->beacon_energy_a),
1302 accum_general->beacon_energy_a,
1303 delta_general->beacon_energy_a,
1304 max_general->beacon_energy_a);
1305 pos += scnprintf(buf + pos, bufsz - pos,
1306 fmt_table, "beacon_energy_b:",
1307 le32_to_cpu(general->beacon_energy_b),
1308 accum_general->beacon_energy_b,
1309 delta_general->beacon_energy_b,
1310 max_general->beacon_energy_b);
1311 pos += scnprintf(buf + pos, bufsz - pos,
1312 fmt_table, "beacon_energy_c:",
1313 le32_to_cpu(general->beacon_energy_c),
1314 accum_general->beacon_energy_c,
1315 delta_general->beacon_energy_c,
1316 max_general->beacon_energy_c);
1317
1318 pos += scnprintf(buf + pos, bufsz - pos,
1319 fmt_header, "Statistics_Rx - OFDM_HT:");
1320 pos += scnprintf(buf + pos, bufsz - pos,
1321 fmt_table, "plcp_err:",
1322 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1323 delta_ht->plcp_err, max_ht->plcp_err);
1324 pos += scnprintf(buf + pos, bufsz - pos,
1325 fmt_table, "overrun_err:",
1326 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1327 delta_ht->overrun_err, max_ht->overrun_err);
1328 pos += scnprintf(buf + pos, bufsz - pos,
1329 fmt_table, "early_overrun_err:",
1330 le32_to_cpu(ht->early_overrun_err),
1331 accum_ht->early_overrun_err,
1332 delta_ht->early_overrun_err,
1333 max_ht->early_overrun_err);
1334 pos += scnprintf(buf + pos, bufsz - pos,
1335 fmt_table, "crc32_good:",
1336 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1337 delta_ht->crc32_good, max_ht->crc32_good);
1338 pos += scnprintf(buf + pos, bufsz - pos,
1339 fmt_table, "crc32_err:",
1340 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1341 delta_ht->crc32_err, max_ht->crc32_err);
1342 pos += scnprintf(buf + pos, bufsz - pos,
1343 fmt_table, "mh_format_err:",
1344 le32_to_cpu(ht->mh_format_err),
1345 accum_ht->mh_format_err,
1346 delta_ht->mh_format_err, max_ht->mh_format_err);
1347 pos += scnprintf(buf + pos, bufsz - pos,
1348 fmt_table, "agg_crc32_good:",
1349 le32_to_cpu(ht->agg_crc32_good),
1350 accum_ht->agg_crc32_good,
1351 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1352 pos += scnprintf(buf + pos, bufsz - pos,
1353 fmt_table, "agg_mpdu_cnt:",
1354 le32_to_cpu(ht->agg_mpdu_cnt),
1355 accum_ht->agg_mpdu_cnt,
1356 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1357 pos += scnprintf(buf + pos, bufsz - pos,
1358 fmt_table, "agg_cnt:",
1359 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1360 delta_ht->agg_cnt, max_ht->agg_cnt);
1361 pos += scnprintf(buf + pos, bufsz - pos,
1362 fmt_table, "unsupport_mcs:",
1363 le32_to_cpu(ht->unsupport_mcs),
1364 accum_ht->unsupport_mcs,
1365 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1366
1367 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1368 kfree(buf);
1369 return ret;
1370 }
1371
1372 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1373 char __user *user_buf,
1374 size_t count, loff_t *ppos)
1375 {
1376 struct iwl_priv *priv = file->private_data;
1377 int pos = 0;
1378 char *buf;
1379 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1380 ssize_t ret;
1381 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1382
1383 if (!iwl_is_alive(priv->shrd))
1384 return -EAGAIN;
1385
1386 buf = kzalloc(bufsz, GFP_KERNEL);
1387 if (!buf) {
1388 IWL_ERR(priv, "Can not allocate Buffer\n");
1389 return -ENOMEM;
1390 }
1391
1392 /* the statistic information display here is based on
1393 * the last statistics notification from uCode
1394 * might not reflect the current uCode activity
1395 */
1396 tx = &priv->statistics.tx;
1397 accum_tx = &priv->accum_stats.tx;
1398 delta_tx = &priv->delta_stats.tx;
1399 max_tx = &priv->max_delta_stats.tx;
1400
1401 pos += iwl_statistics_flag(priv, buf, bufsz);
1402 pos += scnprintf(buf + pos, bufsz - pos,
1403 fmt_header, "Statistics_Tx:");
1404 pos += scnprintf(buf + pos, bufsz - pos,
1405 fmt_table, "preamble:",
1406 le32_to_cpu(tx->preamble_cnt),
1407 accum_tx->preamble_cnt,
1408 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1409 pos += scnprintf(buf + pos, bufsz - pos,
1410 fmt_table, "rx_detected_cnt:",
1411 le32_to_cpu(tx->rx_detected_cnt),
1412 accum_tx->rx_detected_cnt,
1413 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1414 pos += scnprintf(buf + pos, bufsz - pos,
1415 fmt_table, "bt_prio_defer_cnt:",
1416 le32_to_cpu(tx->bt_prio_defer_cnt),
1417 accum_tx->bt_prio_defer_cnt,
1418 delta_tx->bt_prio_defer_cnt,
1419 max_tx->bt_prio_defer_cnt);
1420 pos += scnprintf(buf + pos, bufsz - pos,
1421 fmt_table, "bt_prio_kill_cnt:",
1422 le32_to_cpu(tx->bt_prio_kill_cnt),
1423 accum_tx->bt_prio_kill_cnt,
1424 delta_tx->bt_prio_kill_cnt,
1425 max_tx->bt_prio_kill_cnt);
1426 pos += scnprintf(buf + pos, bufsz - pos,
1427 fmt_table, "few_bytes_cnt:",
1428 le32_to_cpu(tx->few_bytes_cnt),
1429 accum_tx->few_bytes_cnt,
1430 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1431 pos += scnprintf(buf + pos, bufsz - pos,
1432 fmt_table, "cts_timeout:",
1433 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1434 delta_tx->cts_timeout, max_tx->cts_timeout);
1435 pos += scnprintf(buf + pos, bufsz - pos,
1436 fmt_table, "ack_timeout:",
1437 le32_to_cpu(tx->ack_timeout),
1438 accum_tx->ack_timeout,
1439 delta_tx->ack_timeout, max_tx->ack_timeout);
1440 pos += scnprintf(buf + pos, bufsz - pos,
1441 fmt_table, "expected_ack_cnt:",
1442 le32_to_cpu(tx->expected_ack_cnt),
1443 accum_tx->expected_ack_cnt,
1444 delta_tx->expected_ack_cnt,
1445 max_tx->expected_ack_cnt);
1446 pos += scnprintf(buf + pos, bufsz - pos,
1447 fmt_table, "actual_ack_cnt:",
1448 le32_to_cpu(tx->actual_ack_cnt),
1449 accum_tx->actual_ack_cnt,
1450 delta_tx->actual_ack_cnt,
1451 max_tx->actual_ack_cnt);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 fmt_table, "dump_msdu_cnt:",
1454 le32_to_cpu(tx->dump_msdu_cnt),
1455 accum_tx->dump_msdu_cnt,
1456 delta_tx->dump_msdu_cnt,
1457 max_tx->dump_msdu_cnt);
1458 pos += scnprintf(buf + pos, bufsz - pos,
1459 fmt_table, "abort_nxt_frame_mismatch:",
1460 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1461 accum_tx->burst_abort_next_frame_mismatch_cnt,
1462 delta_tx->burst_abort_next_frame_mismatch_cnt,
1463 max_tx->burst_abort_next_frame_mismatch_cnt);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 fmt_table, "abort_missing_nxt_frame:",
1466 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1467 accum_tx->burst_abort_missing_next_frame_cnt,
1468 delta_tx->burst_abort_missing_next_frame_cnt,
1469 max_tx->burst_abort_missing_next_frame_cnt);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 fmt_table, "cts_timeout_collision:",
1472 le32_to_cpu(tx->cts_timeout_collision),
1473 accum_tx->cts_timeout_collision,
1474 delta_tx->cts_timeout_collision,
1475 max_tx->cts_timeout_collision);
1476 pos += scnprintf(buf + pos, bufsz - pos,
1477 fmt_table, "ack_ba_timeout_collision:",
1478 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1479 accum_tx->ack_or_ba_timeout_collision,
1480 delta_tx->ack_or_ba_timeout_collision,
1481 max_tx->ack_or_ba_timeout_collision);
1482 pos += scnprintf(buf + pos, bufsz - pos,
1483 fmt_table, "agg ba_timeout:",
1484 le32_to_cpu(tx->agg.ba_timeout),
1485 accum_tx->agg.ba_timeout,
1486 delta_tx->agg.ba_timeout,
1487 max_tx->agg.ba_timeout);
1488 pos += scnprintf(buf + pos, bufsz - pos,
1489 fmt_table, "agg ba_resched_frames:",
1490 le32_to_cpu(tx->agg.ba_reschedule_frames),
1491 accum_tx->agg.ba_reschedule_frames,
1492 delta_tx->agg.ba_reschedule_frames,
1493 max_tx->agg.ba_reschedule_frames);
1494 pos += scnprintf(buf + pos, bufsz - pos,
1495 fmt_table, "agg scd_query_agg_frame:",
1496 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1497 accum_tx->agg.scd_query_agg_frame_cnt,
1498 delta_tx->agg.scd_query_agg_frame_cnt,
1499 max_tx->agg.scd_query_agg_frame_cnt);
1500 pos += scnprintf(buf + pos, bufsz - pos,
1501 fmt_table, "agg scd_query_no_agg:",
1502 le32_to_cpu(tx->agg.scd_query_no_agg),
1503 accum_tx->agg.scd_query_no_agg,
1504 delta_tx->agg.scd_query_no_agg,
1505 max_tx->agg.scd_query_no_agg);
1506 pos += scnprintf(buf + pos, bufsz - pos,
1507 fmt_table, "agg scd_query_agg:",
1508 le32_to_cpu(tx->agg.scd_query_agg),
1509 accum_tx->agg.scd_query_agg,
1510 delta_tx->agg.scd_query_agg,
1511 max_tx->agg.scd_query_agg);
1512 pos += scnprintf(buf + pos, bufsz - pos,
1513 fmt_table, "agg scd_query_mismatch:",
1514 le32_to_cpu(tx->agg.scd_query_mismatch),
1515 accum_tx->agg.scd_query_mismatch,
1516 delta_tx->agg.scd_query_mismatch,
1517 max_tx->agg.scd_query_mismatch);
1518 pos += scnprintf(buf + pos, bufsz - pos,
1519 fmt_table, "agg frame_not_ready:",
1520 le32_to_cpu(tx->agg.frame_not_ready),
1521 accum_tx->agg.frame_not_ready,
1522 delta_tx->agg.frame_not_ready,
1523 max_tx->agg.frame_not_ready);
1524 pos += scnprintf(buf + pos, bufsz - pos,
1525 fmt_table, "agg underrun:",
1526 le32_to_cpu(tx->agg.underrun),
1527 accum_tx->agg.underrun,
1528 delta_tx->agg.underrun, max_tx->agg.underrun);
1529 pos += scnprintf(buf + pos, bufsz - pos,
1530 fmt_table, "agg bt_prio_kill:",
1531 le32_to_cpu(tx->agg.bt_prio_kill),
1532 accum_tx->agg.bt_prio_kill,
1533 delta_tx->agg.bt_prio_kill,
1534 max_tx->agg.bt_prio_kill);
1535 pos += scnprintf(buf + pos, bufsz - pos,
1536 fmt_table, "agg rx_ba_rsp_cnt:",
1537 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1538 accum_tx->agg.rx_ba_rsp_cnt,
1539 delta_tx->agg.rx_ba_rsp_cnt,
1540 max_tx->agg.rx_ba_rsp_cnt);
1541
1542 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1543 pos += scnprintf(buf + pos, bufsz - pos,
1544 "tx power: (1/2 dB step)\n");
1545 if ((priv->cfg->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1546 pos += scnprintf(buf + pos, bufsz - pos,
1547 fmt_hex, "antenna A:",
1548 tx->tx_power.ant_a);
1549 if ((priv->cfg->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1550 pos += scnprintf(buf + pos, bufsz - pos,
1551 fmt_hex, "antenna B:",
1552 tx->tx_power.ant_b);
1553 if ((priv->cfg->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1554 pos += scnprintf(buf + pos, bufsz - pos,
1555 fmt_hex, "antenna C:",
1556 tx->tx_power.ant_c);
1557 }
1558 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1559 kfree(buf);
1560 return ret;
1561 }
1562
1563 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1564 char __user *user_buf,
1565 size_t count, loff_t *ppos)
1566 {
1567 struct iwl_priv *priv = file->private_data;
1568 int pos = 0;
1569 char *buf;
1570 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1571 ssize_t ret;
1572 struct statistics_general_common *general, *accum_general;
1573 struct statistics_general_common *delta_general, *max_general;
1574 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1575 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1576
1577 if (!iwl_is_alive(priv->shrd))
1578 return -EAGAIN;
1579
1580 buf = kzalloc(bufsz, GFP_KERNEL);
1581 if (!buf) {
1582 IWL_ERR(priv, "Can not allocate Buffer\n");
1583 return -ENOMEM;
1584 }
1585
1586 /* the statistic information display here is based on
1587 * the last statistics notification from uCode
1588 * might not reflect the current uCode activity
1589 */
1590 general = &priv->statistics.common;
1591 dbg = &priv->statistics.common.dbg;
1592 div = &priv->statistics.common.div;
1593 accum_general = &priv->accum_stats.common;
1594 accum_dbg = &priv->accum_stats.common.dbg;
1595 accum_div = &priv->accum_stats.common.div;
1596 delta_general = &priv->delta_stats.common;
1597 max_general = &priv->max_delta_stats.common;
1598 delta_dbg = &priv->delta_stats.common.dbg;
1599 max_dbg = &priv->max_delta_stats.common.dbg;
1600 delta_div = &priv->delta_stats.common.div;
1601 max_div = &priv->max_delta_stats.common.div;
1602
1603 pos += iwl_statistics_flag(priv, buf, bufsz);
1604 pos += scnprintf(buf + pos, bufsz - pos,
1605 fmt_header, "Statistics_General:");
1606 pos += scnprintf(buf + pos, bufsz - pos,
1607 fmt_value, "temperature:",
1608 le32_to_cpu(general->temperature));
1609 pos += scnprintf(buf + pos, bufsz - pos,
1610 fmt_value, "temperature_m:",
1611 le32_to_cpu(general->temperature_m));
1612 pos += scnprintf(buf + pos, bufsz - pos,
1613 fmt_value, "ttl_timestamp:",
1614 le32_to_cpu(general->ttl_timestamp));
1615 pos += scnprintf(buf + pos, bufsz - pos,
1616 fmt_table, "burst_check:",
1617 le32_to_cpu(dbg->burst_check),
1618 accum_dbg->burst_check,
1619 delta_dbg->burst_check, max_dbg->burst_check);
1620 pos += scnprintf(buf + pos, bufsz - pos,
1621 fmt_table, "burst_count:",
1622 le32_to_cpu(dbg->burst_count),
1623 accum_dbg->burst_count,
1624 delta_dbg->burst_count, max_dbg->burst_count);
1625 pos += scnprintf(buf + pos, bufsz - pos,
1626 fmt_table, "wait_for_silence_timeout_count:",
1627 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1628 accum_dbg->wait_for_silence_timeout_cnt,
1629 delta_dbg->wait_for_silence_timeout_cnt,
1630 max_dbg->wait_for_silence_timeout_cnt);
1631 pos += scnprintf(buf + pos, bufsz - pos,
1632 fmt_table, "sleep_time:",
1633 le32_to_cpu(general->sleep_time),
1634 accum_general->sleep_time,
1635 delta_general->sleep_time, max_general->sleep_time);
1636 pos += scnprintf(buf + pos, bufsz - pos,
1637 fmt_table, "slots_out:",
1638 le32_to_cpu(general->slots_out),
1639 accum_general->slots_out,
1640 delta_general->slots_out, max_general->slots_out);
1641 pos += scnprintf(buf + pos, bufsz - pos,
1642 fmt_table, "slots_idle:",
1643 le32_to_cpu(general->slots_idle),
1644 accum_general->slots_idle,
1645 delta_general->slots_idle, max_general->slots_idle);
1646 pos += scnprintf(buf + pos, bufsz - pos,
1647 fmt_table, "tx_on_a:",
1648 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1649 delta_div->tx_on_a, max_div->tx_on_a);
1650 pos += scnprintf(buf + pos, bufsz - pos,
1651 fmt_table, "tx_on_b:",
1652 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1653 delta_div->tx_on_b, max_div->tx_on_b);
1654 pos += scnprintf(buf + pos, bufsz - pos,
1655 fmt_table, "exec_time:",
1656 le32_to_cpu(div->exec_time), accum_div->exec_time,
1657 delta_div->exec_time, max_div->exec_time);
1658 pos += scnprintf(buf + pos, bufsz - pos,
1659 fmt_table, "probe_time:",
1660 le32_to_cpu(div->probe_time), accum_div->probe_time,
1661 delta_div->probe_time, max_div->probe_time);
1662 pos += scnprintf(buf + pos, bufsz - pos,
1663 fmt_table, "rx_enable_counter:",
1664 le32_to_cpu(general->rx_enable_counter),
1665 accum_general->rx_enable_counter,
1666 delta_general->rx_enable_counter,
1667 max_general->rx_enable_counter);
1668 pos += scnprintf(buf + pos, bufsz - pos,
1669 fmt_table, "num_of_sos_states:",
1670 le32_to_cpu(general->num_of_sos_states),
1671 accum_general->num_of_sos_states,
1672 delta_general->num_of_sos_states,
1673 max_general->num_of_sos_states);
1674 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1675 kfree(buf);
1676 return ret;
1677 }
1678
1679 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1680 char __user *user_buf,
1681 size_t count, loff_t *ppos)
1682 {
1683 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1684 int pos = 0;
1685 char *buf;
1686 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1687 ssize_t ret;
1688 struct statistics_bt_activity *bt, *accum_bt;
1689
1690 if (!iwl_is_alive(priv->shrd))
1691 return -EAGAIN;
1692
1693 if (!priv->bt_enable_flag)
1694 return -EINVAL;
1695
1696 /* make request to uCode to retrieve statistics information */
1697 mutex_lock(&priv->shrd->mutex);
1698 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1699 mutex_unlock(&priv->shrd->mutex);
1700
1701 if (ret) {
1702 IWL_ERR(priv,
1703 "Error sending statistics request: %zd\n", ret);
1704 return -EAGAIN;
1705 }
1706 buf = kzalloc(bufsz, GFP_KERNEL);
1707 if (!buf) {
1708 IWL_ERR(priv, "Can not allocate Buffer\n");
1709 return -ENOMEM;
1710 }
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 bt = &priv->statistics.bt_activity;
1718 accum_bt = &priv->accum_stats.bt_activity;
1719
1720 pos += iwl_statistics_flag(priv, buf, bufsz);
1721 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1722 pos += scnprintf(buf + pos, bufsz - pos,
1723 "\t\t\tcurrent\t\t\taccumulative\n");
1724 pos += scnprintf(buf + pos, bufsz - pos,
1725 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1726 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1727 accum_bt->hi_priority_tx_req_cnt);
1728 pos += scnprintf(buf + pos, bufsz - pos,
1729 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1730 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1731 accum_bt->hi_priority_tx_denied_cnt);
1732 pos += scnprintf(buf + pos, bufsz - pos,
1733 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1734 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1735 accum_bt->lo_priority_tx_req_cnt);
1736 pos += scnprintf(buf + pos, bufsz - pos,
1737 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1738 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1739 accum_bt->lo_priority_tx_denied_cnt);
1740 pos += scnprintf(buf + pos, bufsz - pos,
1741 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1742 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1743 accum_bt->hi_priority_rx_req_cnt);
1744 pos += scnprintf(buf + pos, bufsz - pos,
1745 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1746 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1747 accum_bt->hi_priority_rx_denied_cnt);
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1750 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1751 accum_bt->lo_priority_rx_req_cnt);
1752 pos += scnprintf(buf + pos, bufsz - pos,
1753 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1754 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1755 accum_bt->lo_priority_rx_denied_cnt);
1756
1757 pos += scnprintf(buf + pos, bufsz - pos,
1758 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1759 le32_to_cpu(priv->statistics.num_bt_kills),
1760 priv->statistics.accum_num_bt_kills);
1761
1762 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1763 kfree(buf);
1764 return ret;
1765 }
1766
1767 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1768 char __user *user_buf,
1769 size_t count, loff_t *ppos)
1770 {
1771 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1772 int pos = 0;
1773 char *buf;
1774 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1775 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1776 ssize_t ret;
1777
1778 if (!iwl_is_alive(priv->shrd))
1779 return -EAGAIN;
1780
1781 buf = kzalloc(bufsz, GFP_KERNEL);
1782 if (!buf) {
1783 IWL_ERR(priv, "Can not allocate Buffer\n");
1784 return -ENOMEM;
1785 }
1786
1787 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1788 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1789 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1790 priv->reply_tx_stats.pp_delay);
1791 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1792 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1793 priv->reply_tx_stats.pp_few_bytes);
1794 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1795 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1796 priv->reply_tx_stats.pp_bt_prio);
1797 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1798 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1799 priv->reply_tx_stats.pp_quiet_period);
1800 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1801 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1802 priv->reply_tx_stats.pp_calc_ttak);
1803 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1804 iwl_get_tx_fail_reason(
1805 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1806 priv->reply_tx_stats.int_crossed_retry);
1807 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1808 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1809 priv->reply_tx_stats.short_limit);
1810 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1811 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1812 priv->reply_tx_stats.long_limit);
1813 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1814 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1815 priv->reply_tx_stats.fifo_underrun);
1816 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1817 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1818 priv->reply_tx_stats.drain_flow);
1819 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1820 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1821 priv->reply_tx_stats.rfkill_flush);
1822 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1823 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1824 priv->reply_tx_stats.life_expire);
1825 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1826 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1827 priv->reply_tx_stats.dest_ps);
1828 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1829 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1830 priv->reply_tx_stats.host_abort);
1831 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1832 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1833 priv->reply_tx_stats.pp_delay);
1834 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1835 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1836 priv->reply_tx_stats.sta_invalid);
1837 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1838 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1839 priv->reply_tx_stats.frag_drop);
1840 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1841 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1842 priv->reply_tx_stats.tid_disable);
1843 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1844 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1845 priv->reply_tx_stats.fifo_flush);
1846 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1847 iwl_get_tx_fail_reason(
1848 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1849 priv->reply_tx_stats.insuff_cf_poll);
1850 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1851 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1852 priv->reply_tx_stats.fail_hw_drop);
1853 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1854 iwl_get_tx_fail_reason(
1855 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1856 priv->reply_tx_stats.sta_color_mismatch);
1857 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1858 priv->reply_tx_stats.unknown);
1859
1860 pos += scnprintf(buf + pos, bufsz - pos,
1861 "\nStatistics_Agg_TX_Error:\n");
1862
1863 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1864 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1865 priv->reply_agg_tx_stats.underrun);
1866 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1867 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1868 priv->reply_agg_tx_stats.bt_prio);
1869 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1870 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1871 priv->reply_agg_tx_stats.few_bytes);
1872 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1873 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1874 priv->reply_agg_tx_stats.abort);
1875 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1876 iwl_get_agg_tx_fail_reason(
1877 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1878 priv->reply_agg_tx_stats.last_sent_ttl);
1879 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1880 iwl_get_agg_tx_fail_reason(
1881 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1882 priv->reply_agg_tx_stats.last_sent_try);
1883 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1884 iwl_get_agg_tx_fail_reason(
1885 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1886 priv->reply_agg_tx_stats.last_sent_bt_kill);
1887 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1888 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1889 priv->reply_agg_tx_stats.scd_query);
1890 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1891 iwl_get_agg_tx_fail_reason(
1892 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1893 priv->reply_agg_tx_stats.bad_crc32);
1894 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1895 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1896 priv->reply_agg_tx_stats.response);
1897 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1898 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1899 priv->reply_agg_tx_stats.dump_tx);
1900 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1901 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1902 priv->reply_agg_tx_stats.delay_tx);
1903 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1904 priv->reply_agg_tx_stats.unknown);
1905
1906 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1907 kfree(buf);
1908 return ret;
1909 }
1910
1911 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1912 char __user *user_buf,
1913 size_t count, loff_t *ppos) {
1914
1915 struct iwl_priv *priv = file->private_data;
1916 int pos = 0;
1917 int cnt = 0;
1918 char *buf;
1919 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1920 ssize_t ret;
1921 struct iwl_sensitivity_data *data;
1922
1923 data = &priv->sensitivity_data;
1924 buf = kzalloc(bufsz, GFP_KERNEL);
1925 if (!buf) {
1926 IWL_ERR(priv, "Can not allocate Buffer\n");
1927 return -ENOMEM;
1928 }
1929
1930 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1931 data->auto_corr_ofdm);
1932 pos += scnprintf(buf + pos, bufsz - pos,
1933 "auto_corr_ofdm_mrc:\t\t %u\n",
1934 data->auto_corr_ofdm_mrc);
1935 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1936 data->auto_corr_ofdm_x1);
1937 pos += scnprintf(buf + pos, bufsz - pos,
1938 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1939 data->auto_corr_ofdm_mrc_x1);
1940 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1941 data->auto_corr_cck);
1942 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1943 data->auto_corr_cck_mrc);
1944 pos += scnprintf(buf + pos, bufsz - pos,
1945 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1946 data->last_bad_plcp_cnt_ofdm);
1947 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1948 data->last_fa_cnt_ofdm);
1949 pos += scnprintf(buf + pos, bufsz - pos,
1950 "last_bad_plcp_cnt_cck:\t\t %u\n",
1951 data->last_bad_plcp_cnt_cck);
1952 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1953 data->last_fa_cnt_cck);
1954 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1955 data->nrg_curr_state);
1956 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1957 data->nrg_prev_state);
1958 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1959 for (cnt = 0; cnt < 10; cnt++) {
1960 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1961 data->nrg_value[cnt]);
1962 }
1963 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1964 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1965 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1966 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1967 data->nrg_silence_rssi[cnt]);
1968 }
1969 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1970 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1971 data->nrg_silence_ref);
1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1973 data->nrg_energy_idx);
1974 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1975 data->nrg_silence_idx);
1976 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1977 data->nrg_th_cck);
1978 pos += scnprintf(buf + pos, bufsz - pos,
1979 "nrg_auto_corr_silence_diff:\t %u\n",
1980 data->nrg_auto_corr_silence_diff);
1981 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1982 data->num_in_cck_no_fa);
1983 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1984 data->nrg_th_ofdm);
1985
1986 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1987 kfree(buf);
1988 return ret;
1989 }
1990
1991
1992 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1993 char __user *user_buf,
1994 size_t count, loff_t *ppos) {
1995
1996 struct iwl_priv *priv = file->private_data;
1997 int pos = 0;
1998 int cnt = 0;
1999 char *buf;
2000 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2001 ssize_t ret;
2002 struct iwl_chain_noise_data *data;
2003
2004 data = &priv->chain_noise_data;
2005 buf = kzalloc(bufsz, GFP_KERNEL);
2006 if (!buf) {
2007 IWL_ERR(priv, "Can not allocate Buffer\n");
2008 return -ENOMEM;
2009 }
2010
2011 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2012 data->active_chains);
2013 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2014 data->chain_noise_a);
2015 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2016 data->chain_noise_b);
2017 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2018 data->chain_noise_c);
2019 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2020 data->chain_signal_a);
2021 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2022 data->chain_signal_b);
2023 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2024 data->chain_signal_c);
2025 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2026 data->beacon_count);
2027
2028 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2029 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2030 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2031 data->disconn_array[cnt]);
2032 }
2033 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2034 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2035 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2036 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2037 data->delta_gain_code[cnt]);
2038 }
2039 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2040 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2041 data->radio_write);
2042 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2043 data->state);
2044
2045 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2046 kfree(buf);
2047 return ret;
2048 }
2049
2050 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2051 char __user *user_buf,
2052 size_t count, loff_t *ppos)
2053 {
2054 struct iwl_priv *priv = file->private_data;
2055 char buf[60];
2056 int pos = 0;
2057 const size_t bufsz = sizeof(buf);
2058 u32 pwrsave_status;
2059
2060 pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) &
2061 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2062
2063 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2064 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2065 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2066 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2067 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2068 "error");
2069
2070 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2071 }
2072
2073 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2074 const char __user *user_buf,
2075 size_t count, loff_t *ppos)
2076 {
2077 struct iwl_priv *priv = file->private_data;
2078 char buf[8];
2079 int buf_size;
2080 int clear;
2081
2082 memset(buf, 0, sizeof(buf));
2083 buf_size = min(count, sizeof(buf) - 1);
2084 if (copy_from_user(buf, user_buf, buf_size))
2085 return -EFAULT;
2086 if (sscanf(buf, "%d", &clear) != 1)
2087 return -EFAULT;
2088
2089 /* make request to uCode to retrieve statistics information */
2090 mutex_lock(&priv->shrd->mutex);
2091 iwl_send_statistics_request(priv, CMD_SYNC, true);
2092 mutex_unlock(&priv->shrd->mutex);
2093
2094 return count;
2095 }
2096
2097 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2098 char __user *user_buf,
2099 size_t count, loff_t *ppos) {
2100
2101 struct iwl_priv *priv = file->private_data;
2102 int pos = 0;
2103 char buf[128];
2104 const size_t bufsz = sizeof(buf);
2105
2106 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2107 priv->event_log.ucode_trace ? "On" : "Off");
2108 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2109 priv->event_log.non_wraps_count);
2110 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2111 priv->event_log.wraps_once_count);
2112 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2113 priv->event_log.wraps_more_count);
2114
2115 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2116 }
2117
2118 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2119 const char __user *user_buf,
2120 size_t count, loff_t *ppos)
2121 {
2122 struct iwl_priv *priv = file->private_data;
2123 char buf[8];
2124 int buf_size;
2125 int trace;
2126
2127 memset(buf, 0, sizeof(buf));
2128 buf_size = min(count, sizeof(buf) - 1);
2129 if (copy_from_user(buf, user_buf, buf_size))
2130 return -EFAULT;
2131 if (sscanf(buf, "%d", &trace) != 1)
2132 return -EFAULT;
2133
2134 if (trace) {
2135 priv->event_log.ucode_trace = true;
2136 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2137 mod_timer(&priv->ucode_trace,
2138 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2139 } else {
2140 priv->event_log.ucode_trace = false;
2141 del_timer_sync(&priv->ucode_trace);
2142 }
2143
2144 return count;
2145 }
2146
2147 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2148 char __user *user_buf,
2149 size_t count, loff_t *ppos) {
2150
2151 struct iwl_priv *priv = file->private_data;
2152 int len = 0;
2153 char buf[20];
2154
2155 len = sprintf(buf, "0x%04X\n",
2156 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2157 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2158 }
2159
2160 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2161 char __user *user_buf,
2162 size_t count, loff_t *ppos) {
2163
2164 struct iwl_priv *priv = file->private_data;
2165 int len = 0;
2166 char buf[20];
2167
2168 len = sprintf(buf, "0x%04X\n",
2169 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2170 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2171 }
2172
2173 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2174 char __user *user_buf,
2175 size_t count, loff_t *ppos) {
2176
2177 struct iwl_priv *priv = file->private_data;
2178 int pos = 0;
2179 char buf[12];
2180 const size_t bufsz = sizeof(buf);
2181
2182 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2183 priv->missed_beacon_threshold);
2184
2185 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2186 }
2187
2188 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2189 const char __user *user_buf,
2190 size_t count, loff_t *ppos)
2191 {
2192 struct iwl_priv *priv = file->private_data;
2193 char buf[8];
2194 int buf_size;
2195 int missed;
2196
2197 memset(buf, 0, sizeof(buf));
2198 buf_size = min(count, sizeof(buf) - 1);
2199 if (copy_from_user(buf, user_buf, buf_size))
2200 return -EFAULT;
2201 if (sscanf(buf, "%d", &missed) != 1)
2202 return -EINVAL;
2203
2204 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2205 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2206 priv->missed_beacon_threshold =
2207 IWL_MISSED_BEACON_THRESHOLD_DEF;
2208 else
2209 priv->missed_beacon_threshold = missed;
2210
2211 return count;
2212 }
2213
2214 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2215 char __user *user_buf,
2216 size_t count, loff_t *ppos) {
2217
2218 struct iwl_priv *priv = file->private_data;
2219 int pos = 0;
2220 char buf[12];
2221 const size_t bufsz = sizeof(buf);
2222
2223 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2224 priv->cfg->base_params->plcp_delta_threshold);
2225
2226 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2227 }
2228
2229 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2230 const char __user *user_buf,
2231 size_t count, loff_t *ppos) {
2232
2233 struct iwl_priv *priv = file->private_data;
2234 char buf[8];
2235 int buf_size;
2236 int plcp;
2237
2238 memset(buf, 0, sizeof(buf));
2239 buf_size = min(count, sizeof(buf) - 1);
2240 if (copy_from_user(buf, user_buf, buf_size))
2241 return -EFAULT;
2242 if (sscanf(buf, "%d", &plcp) != 1)
2243 return -EINVAL;
2244 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2245 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2246 priv->cfg->base_params->plcp_delta_threshold =
2247 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2248 else
2249 priv->cfg->base_params->plcp_delta_threshold = plcp;
2250 return count;
2251 }
2252
2253 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2254 char __user *user_buf,
2255 size_t count, loff_t *ppos)
2256 {
2257 struct iwl_priv *priv = file->private_data;
2258 int i, pos = 0;
2259 char buf[300];
2260 const size_t bufsz = sizeof(buf);
2261 struct iwl_force_reset *force_reset;
2262
2263 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2264 force_reset = &priv->force_reset[i];
2265 pos += scnprintf(buf + pos, bufsz - pos,
2266 "Force reset method %d\n", i);
2267 pos += scnprintf(buf + pos, bufsz - pos,
2268 "\tnumber of reset request: %d\n",
2269 force_reset->reset_request_count);
2270 pos += scnprintf(buf + pos, bufsz - pos,
2271 "\tnumber of reset request success: %d\n",
2272 force_reset->reset_success_count);
2273 pos += scnprintf(buf + pos, bufsz - pos,
2274 "\tnumber of reset request reject: %d\n",
2275 force_reset->reset_reject_count);
2276 pos += scnprintf(buf + pos, bufsz - pos,
2277 "\treset duration: %lu\n",
2278 force_reset->reset_duration);
2279 }
2280 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2281 }
2282
2283 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2284 const char __user *user_buf,
2285 size_t count, loff_t *ppos) {
2286
2287 struct iwl_priv *priv = file->private_data;
2288 char buf[8];
2289 int buf_size;
2290 int reset, ret;
2291
2292 memset(buf, 0, sizeof(buf));
2293 buf_size = min(count, sizeof(buf) - 1);
2294 if (copy_from_user(buf, user_buf, buf_size))
2295 return -EFAULT;
2296 if (sscanf(buf, "%d", &reset) != 1)
2297 return -EINVAL;
2298 switch (reset) {
2299 case IWL_RF_RESET:
2300 case IWL_FW_RESET:
2301 ret = iwl_force_reset(priv, reset, true);
2302 break;
2303 default:
2304 return -EINVAL;
2305 }
2306 return ret ? ret : count;
2307 }
2308
2309 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2310 const char __user *user_buf,
2311 size_t count, loff_t *ppos) {
2312
2313 struct iwl_priv *priv = file->private_data;
2314 char buf[8];
2315 int buf_size;
2316 int flush;
2317
2318 memset(buf, 0, sizeof(buf));
2319 buf_size = min(count, sizeof(buf) - 1);
2320 if (copy_from_user(buf, user_buf, buf_size))
2321 return -EFAULT;
2322 if (sscanf(buf, "%d", &flush) != 1)
2323 return -EINVAL;
2324
2325 if (iwl_is_rfkill(priv->shrd))
2326 return -EFAULT;
2327
2328 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2329
2330 return count;
2331 }
2332
2333 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2334 const char __user *user_buf,
2335 size_t count, loff_t *ppos)
2336 {
2337 struct iwl_priv *priv = file->private_data;
2338 char buf[8];
2339 int buf_size;
2340 int timeout;
2341
2342 memset(buf, 0, sizeof(buf));
2343 buf_size = min(count, sizeof(buf) - 1);
2344 if (copy_from_user(buf, user_buf, buf_size))
2345 return -EFAULT;
2346 if (sscanf(buf, "%d", &timeout) != 1)
2347 return -EINVAL;
2348 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2349 timeout = IWL_DEF_WD_TIMEOUT;
2350
2351 priv->cfg->base_params->wd_timeout = timeout;
2352 iwl_setup_watchdog(priv);
2353 return count;
2354 }
2355
2356 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2357 char __user *user_buf,
2358 size_t count, loff_t *ppos) {
2359
2360 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2361 int pos = 0;
2362 char buf[200];
2363 const size_t bufsz = sizeof(buf);
2364
2365 if (!priv->bt_enable_flag) {
2366 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2367 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2368 }
2369 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2370 priv->bt_enable_flag);
2371 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2372 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2373 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2374 "last traffic notif: %d\n",
2375 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2376 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2377 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2378 priv->bt_ch_announce, priv->kill_ack_mask,
2379 priv->kill_cts_mask);
2380
2381 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2382 switch (priv->bt_traffic_load) {
2383 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2384 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2385 break;
2386 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2387 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2388 break;
2389 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2390 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2391 break;
2392 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2393 default:
2394 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2395 break;
2396 }
2397
2398 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2399 }
2400
2401 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2402 char __user *user_buf,
2403 size_t count, loff_t *ppos)
2404 {
2405 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2406
2407 int pos = 0;
2408 char buf[40];
2409 const size_t bufsz = sizeof(buf);
2410
2411 if (priv->cfg->ht_params)
2412 pos += scnprintf(buf + pos, bufsz - pos,
2413 "use %s for aggregation\n",
2414 (priv->cfg->ht_params->use_rts_for_aggregation) ?
2415 "rts/cts" : "cts-to-self");
2416 else
2417 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2418
2419 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2420 }
2421
2422 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2423 const char __user *user_buf,
2424 size_t count, loff_t *ppos) {
2425
2426 struct iwl_priv *priv = file->private_data;
2427 char buf[8];
2428 int buf_size;
2429 int rts;
2430
2431 if (!priv->cfg->ht_params)
2432 return -EINVAL;
2433
2434 memset(buf, 0, sizeof(buf));
2435 buf_size = min(count, sizeof(buf) - 1);
2436 if (copy_from_user(buf, user_buf, buf_size))
2437 return -EFAULT;
2438 if (sscanf(buf, "%d", &rts) != 1)
2439 return -EINVAL;
2440 if (rts)
2441 priv->cfg->ht_params->use_rts_for_aggregation = true;
2442 else
2443 priv->cfg->ht_params->use_rts_for_aggregation = false;
2444 return count;
2445 }
2446
2447 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2448 const char __user *user_buf,
2449 size_t count, loff_t *ppos)
2450 {
2451 struct iwl_priv *priv = file->private_data;
2452 char buf[8];
2453 int buf_size;
2454
2455 memset(buf, 0, sizeof(buf));
2456 buf_size = min(count, sizeof(buf) - 1);
2457 if (copy_from_user(buf, user_buf, buf_size))
2458 return -EFAULT;
2459
2460 iwl_cmd_echo_test(priv);
2461 return count;
2462 }
2463
2464 DEBUGFS_READ_FILE_OPS(rx_statistics);
2465 DEBUGFS_READ_FILE_OPS(tx_statistics);
2466 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2467 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2468 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2469 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2470 DEBUGFS_READ_FILE_OPS(sensitivity);
2471 DEBUGFS_READ_FILE_OPS(chain_noise);
2472 DEBUGFS_READ_FILE_OPS(power_save_status);
2473 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2474 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2475 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2476 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2477 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2478 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2479 DEBUGFS_READ_FILE_OPS(rxon_flags);
2480 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2481 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2482 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2483 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2484 DEBUGFS_READ_FILE_OPS(bt_traffic);
2485 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2486 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2487 DEBUGFS_WRITE_FILE_OPS(echo_test);
2488
2489 #ifdef CONFIG_IWLWIFI_DEBUG
2490 static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
2491 char __user *user_buf,
2492 size_t count, loff_t *ppos)
2493 {
2494 struct iwl_priv *priv = file->private_data;
2495 struct iwl_shared *shrd = priv->shrd;
2496 char buf[11];
2497 int len;
2498
2499 len = scnprintf(buf, sizeof(buf), "0x%.8x",
2500 iwl_get_debug_level(shrd));
2501
2502 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2503 }
2504
2505 static ssize_t iwl_dbgfs_debug_level_write(struct file *file,
2506 const char __user *user_buf,
2507 size_t count, loff_t *ppos)
2508 {
2509 struct iwl_priv *priv = file->private_data;
2510 struct iwl_shared *shrd = priv->shrd;
2511 char buf[11];
2512 unsigned long val;
2513 int ret;
2514
2515 if (count > sizeof(buf))
2516 return -EINVAL;
2517
2518 memset(buf, 0, sizeof(buf));
2519 if (copy_from_user(buf, user_buf, count))
2520 return -EFAULT;
2521
2522 ret = strict_strtoul(buf, 0, &val);
2523 if (ret)
2524 return ret;
2525
2526 shrd->dbg_level_dev = val;
2527 if (iwl_alloc_traffic_mem(priv))
2528 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
2529
2530 return count;
2531 }
2532 DEBUGFS_READ_WRITE_FILE_OPS(debug_level);
2533 #endif /* CONFIG_IWLWIFI_DEBUG */
2534
2535 /*
2536 * Create the debugfs files and directories
2537 *
2538 */
2539 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2540 {
2541 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2542 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2543
2544 dir_drv = debugfs_create_dir(name, phyd);
2545 if (!dir_drv)
2546 return -ENOMEM;
2547
2548 priv->debugfs_dir = dir_drv;
2549
2550 dir_data = debugfs_create_dir("data", dir_drv);
2551 if (!dir_data)
2552 goto err;
2553 dir_rf = debugfs_create_dir("rf", dir_drv);
2554 if (!dir_rf)
2555 goto err;
2556 dir_debug = debugfs_create_dir("debug", dir_drv);
2557 if (!dir_debug)
2558 goto err;
2559
2560 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2561 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2562 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2563 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2564 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2565 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2566 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2567 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2568 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2569 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2570 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2571 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2572 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2573
2574 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2575 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2576 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2577 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2578 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2579 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2580 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2581 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2582 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2583 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2584 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2585 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2586 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2587 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2588 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2589 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2590 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2591 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2592 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2593 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2594 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2595 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2596 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2597 if (iwl_advanced_bt_coexist(priv))
2598 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2599 #ifdef CONFIG_IWLWIFI_DEBUG
2600 DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR);
2601 #endif
2602
2603 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2604 &priv->disable_sens_cal);
2605 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2606 &priv->disable_chain_noise_cal);
2607
2608 if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2609 goto err;
2610 return 0;
2611
2612 err:
2613 IWL_ERR(priv, "Can't create the debugfs directory\n");
2614 iwl_dbgfs_unregister(priv);
2615 return -ENOMEM;
2616 }
2617
2618 /**
2619 * Remove the debugfs files and directories
2620 *
2621 */
2622 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2623 {
2624 if (!priv->debugfs_dir)
2625 return;
2626
2627 debugfs_remove_recursive(priv->debugfs_dir);
2628 priv->debugfs_dir = NULL;
2629 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree