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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blob04a3343f4610faf4e654b5232c2d0d29f6773c75
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 struct iwl_trans *trans = trans(priv);
238 priv->dbgfs_sram_offset = 0x800000;
239 if (trans->shrd->ucode_type == IWL_UCODE_INIT)
240 priv->dbgfs_sram_len = trans->ucode_init.data.len;
241 else
242 priv->dbgfs_sram_len = trans->ucode_rt.data.len;
243 }
244 len = priv->dbgfs_sram_len;
245
246 if (len == -4) {
247 device_format = true;
248 len = 4;
249 }
250
251 bufsz = 50 + len * 4;
252 buf = kmalloc(bufsz, GFP_KERNEL);
253 if (!buf)
254 return -ENOMEM;
255
256 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
257 len);
258 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
259 priv->dbgfs_sram_offset);
260
261 /* adjust sram address since reads are only on even u32 boundaries */
262 offset = priv->dbgfs_sram_offset & 0x3;
263 sram = priv->dbgfs_sram_offset & ~0x3;
264
265 /* read the first u32 from sram */
266 val = iwl_read_targ_mem(bus(priv), sram);
267
268 for (; len; len--) {
269 /* put the address at the start of every line */
270 if (i == 0)
271 pos += scnprintf(buf + pos, bufsz - pos,
272 "%08X: ", sram + offset);
273
274 if (device_format)
275 pos += scnprintf(buf + pos, bufsz - pos,
276 "%02x", (val >> (8 * (3 - offset))) & 0xff);
277 else
278 pos += scnprintf(buf + pos, bufsz - pos,
279 "%02x ", (val >> (8 * offset)) & 0xff);
280
281 /* if all bytes processed, read the next u32 from sram */
282 if (++offset == 4) {
283 sram += 4;
284 offset = 0;
285 val = iwl_read_targ_mem(bus(priv), sram);
286 }
287
288 /* put in extra spaces and split lines for human readability */
289 if (++i == 16) {
290 i = 0;
291 pos += scnprintf(buf + pos, bufsz - pos, "\n");
292 } else if (!(i & 7)) {
293 pos += scnprintf(buf + pos, bufsz - pos, " ");
294 } else if (!(i & 3)) {
295 pos += scnprintf(buf + pos, bufsz - pos, " ");
296 }
297 }
298 if (i)
299 pos += scnprintf(buf + pos, bufsz - pos, "\n");
300
301 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
302 kfree(buf);
303 return ret;
304 }
305
306 static ssize_t iwl_dbgfs_sram_write(struct file *file,
307 const char __user *user_buf,
308 size_t count, loff_t *ppos)
309 {
310 struct iwl_priv *priv = file->private_data;
311 char buf[64];
312 int buf_size;
313 u32 offset, len;
314
315 memset(buf, 0, sizeof(buf));
316 buf_size = min(count, sizeof(buf) - 1);
317 if (copy_from_user(buf, user_buf, buf_size))
318 return -EFAULT;
319
320 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
321 priv->dbgfs_sram_offset = offset;
322 priv->dbgfs_sram_len = len;
323 } else if (sscanf(buf, "%x", &offset) == 1) {
324 priv->dbgfs_sram_offset = offset;
325 priv->dbgfs_sram_len = -4;
326 } else {
327 priv->dbgfs_sram_offset = 0;
328 priv->dbgfs_sram_len = 0;
329 }
330
331 return count;
332 }
333
334 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
335 char __user *user_buf,
336 size_t count, loff_t *ppos)
337 {
338 struct iwl_priv *priv = file->private_data;
339
340 if (!priv->wowlan_sram)
341 return -ENODATA;
342
343 return simple_read_from_buffer(user_buf, count, ppos,
344 priv->wowlan_sram,
345 trans(priv)->ucode_wowlan.data.len);
346 }
347 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
348 size_t count, loff_t *ppos)
349 {
350 struct iwl_priv *priv = file->private_data;
351 struct iwl_station_entry *station;
352 struct iwl_tid_data *tid_data;
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 < IWLAGN_STATION_COUNT; 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\trate_n_flags\n");
376
377 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
378 tid_data = &priv->tid_data[i][j];
379 pos += scnprintf(buf + pos, bufsz - pos,
380 "%d:\t%#x\t%#x",
381 j, tid_data->seq_number,
382 tid_data->agg.rate_n_flags);
383
384 if (tid_data->agg.wait_for_ba)
385 pos += scnprintf(buf + pos, bufsz - pos,
386 " - waitforba");
387 pos += scnprintf(buf + pos, bufsz - pos, "\n");
388 }
389
390 pos += scnprintf(buf + pos, bufsz - pos, "\n");
391 }
392
393 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
394 kfree(buf);
395 return ret;
396 }
397
398 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
399 char __user *user_buf,
400 size_t count,
401 loff_t *ppos)
402 {
403 ssize_t ret;
404 struct iwl_priv *priv = file->private_data;
405 int pos = 0, ofs = 0, buf_size = 0;
406 const u8 *ptr;
407 char *buf;
408 u16 eeprom_ver;
409 size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
410 buf_size = 4 * eeprom_len + 256;
411
412 if (eeprom_len % 16) {
413 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
414 return -ENODATA;
415 }
416
417 ptr = priv->shrd->eeprom;
418 if (!ptr) {
419 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
420 return -ENOMEM;
421 }
422
423 /* 4 characters for byte 0xYY */
424 buf = kzalloc(buf_size, GFP_KERNEL);
425 if (!buf) {
426 IWL_ERR(priv, "Can not allocate Buffer\n");
427 return -ENOMEM;
428 }
429 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION);
430 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
431 "version: 0x%x\n",
432 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP)
433 ? "OTP" : "EEPROM", eeprom_ver);
434 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
435 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
436 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
437 buf_size - pos, 0);
438 pos += strlen(buf + pos);
439 if (buf_size - pos > 0)
440 buf[pos++] = '\n';
441 }
442
443 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
444 kfree(buf);
445 return ret;
446 }
447
448 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
449 size_t count, loff_t *ppos)
450 {
451 struct iwl_priv *priv = file->private_data;
452 struct ieee80211_channel *channels = NULL;
453 const struct ieee80211_supported_band *supp_band = NULL;
454 int pos = 0, i, bufsz = PAGE_SIZE;
455 char *buf;
456 ssize_t ret;
457
458 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status))
459 return -EAGAIN;
460
461 buf = kzalloc(bufsz, GFP_KERNEL);
462 if (!buf) {
463 IWL_ERR(priv, "Can not allocate Buffer\n");
464 return -ENOMEM;
465 }
466
467 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
468 if (supp_band) {
469 channels = supp_band->channels;
470
471 pos += scnprintf(buf + pos, bufsz - pos,
472 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
473 supp_band->n_channels);
474
475 for (i = 0; i < supp_band->n_channels; i++)
476 pos += scnprintf(buf + pos, bufsz - pos,
477 "%d: %ddBm: BSS%s%s, %s.\n",
478 channels[i].hw_value,
479 channels[i].max_power,
480 channels[i].flags & IEEE80211_CHAN_RADAR ?
481 " (IEEE 802.11h required)" : "",
482 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
483 || (channels[i].flags &
484 IEEE80211_CHAN_RADAR)) ? "" :
485 ", IBSS",
486 channels[i].flags &
487 IEEE80211_CHAN_PASSIVE_SCAN ?
488 "passive only" : "active/passive");
489 }
490 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
491 if (supp_band) {
492 channels = supp_band->channels;
493
494 pos += scnprintf(buf + pos, bufsz - pos,
495 "Displaying %d channels in 5.2GHz band (802.11a)\n",
496 supp_band->n_channels);
497
498 for (i = 0; i < supp_band->n_channels; i++)
499 pos += scnprintf(buf + pos, bufsz - pos,
500 "%d: %ddBm: BSS%s%s, %s.\n",
501 channels[i].hw_value,
502 channels[i].max_power,
503 channels[i].flags & IEEE80211_CHAN_RADAR ?
504 " (IEEE 802.11h required)" : "",
505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
506 || (channels[i].flags &
507 IEEE80211_CHAN_RADAR)) ? "" :
508 ", IBSS",
509 channels[i].flags &
510 IEEE80211_CHAN_PASSIVE_SCAN ?
511 "passive only" : "active/passive");
512 }
513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
514 kfree(buf);
515 return ret;
516 }
517
518 static ssize_t iwl_dbgfs_status_read(struct file *file,
519 char __user *user_buf,
520 size_t count, loff_t *ppos) {
521
522 struct iwl_priv *priv = file->private_data;
523 char buf[512];
524 int pos = 0;
525 const size_t bufsz = sizeof(buf);
526
527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
528 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
530 test_bit(STATUS_INT_ENABLED, &priv->shrd->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
532 test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
534 test_bit(STATUS_CT_KILL, &priv->shrd->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
536 test_bit(STATUS_INIT, &priv->shrd->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
538 test_bit(STATUS_ALIVE, &priv->shrd->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
540 test_bit(STATUS_READY, &priv->shrd->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
542 test_bit(STATUS_TEMPERATURE, &priv->shrd->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
544 test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
546 test_bit(STATUS_EXIT_PENDING, &priv->shrd->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
548 test_bit(STATUS_STATISTICS, &priv->shrd->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
550 test_bit(STATUS_SCANNING, &priv->shrd->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
552 test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
554 test_bit(STATUS_SCAN_HW, &priv->shrd->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
556 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
558 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
559 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
560 }
561
562 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
563 char __user *user_buf,
564 size_t count, loff_t *ppos) {
565
566 struct iwl_priv *priv = file->private_data;
567
568 int pos = 0;
569 int cnt = 0;
570 char *buf;
571 int bufsz = 24 * 64; /* 24 items * 64 char per item */
572 ssize_t ret;
573
574 buf = kzalloc(bufsz, GFP_KERNEL);
575 if (!buf) {
576 IWL_ERR(priv, "Can not allocate Buffer\n");
577 return -ENOMEM;
578 }
579
580 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
581 if (priv->rx_handlers_stats[cnt] > 0)
582 pos += scnprintf(buf + pos, bufsz - pos,
583 "\tRx handler[%36s]:\t\t %u\n",
584 get_cmd_string(cnt),
585 priv->rx_handlers_stats[cnt]);
586 }
587
588 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
589 kfree(buf);
590 return ret;
591 }
592
593 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
594 const char __user *user_buf,
595 size_t count, loff_t *ppos)
596 {
597 struct iwl_priv *priv = file->private_data;
598
599 char buf[8];
600 int buf_size;
601 u32 reset_flag;
602
603 memset(buf, 0, sizeof(buf));
604 buf_size = min(count, sizeof(buf) - 1);
605 if (copy_from_user(buf, user_buf, buf_size))
606 return -EFAULT;
607 if (sscanf(buf, "%x", &reset_flag) != 1)
608 return -EFAULT;
609 if (reset_flag == 0)
610 memset(&priv->rx_handlers_stats[0], 0,
611 sizeof(priv->rx_handlers_stats));
612
613 return count;
614 }
615
616 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
617 size_t count, loff_t *ppos)
618 {
619 struct iwl_priv *priv = file->private_data;
620 struct iwl_rxon_context *ctx;
621 int pos = 0, i;
622 char buf[256 * NUM_IWL_RXON_CTX];
623 const size_t bufsz = sizeof(buf);
624
625 for_each_context(priv, ctx) {
626 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
627 ctx->ctxid);
628 for (i = 0; i < AC_NUM; i++) {
629 pos += scnprintf(buf + pos, bufsz - pos,
630 "\tcw_min\tcw_max\taifsn\ttxop\n");
631 pos += scnprintf(buf + pos, bufsz - pos,
632 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
633 ctx->qos_data.def_qos_parm.ac[i].cw_min,
634 ctx->qos_data.def_qos_parm.ac[i].cw_max,
635 ctx->qos_data.def_qos_parm.ac[i].aifsn,
636 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
637 }
638 pos += scnprintf(buf + pos, bufsz - pos, "\n");
639 }
640 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
641 }
642
643 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
644 char __user *user_buf,
645 size_t count, loff_t *ppos)
646 {
647 struct iwl_priv *priv = file->private_data;
648 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
649 struct iwl_tt_restriction *restriction;
650 char buf[100];
651 int pos = 0;
652 const size_t bufsz = sizeof(buf);
653
654 pos += scnprintf(buf + pos, bufsz - pos,
655 "Thermal Throttling Mode: %s\n",
656 tt->advanced_tt ? "Advance" : "Legacy");
657 pos += scnprintf(buf + pos, bufsz - pos,
658 "Thermal Throttling State: %d\n",
659 tt->state);
660 if (tt->advanced_tt) {
661 restriction = tt->restriction + tt->state;
662 pos += scnprintf(buf + pos, bufsz - pos,
663 "Tx mode: %d\n",
664 restriction->tx_stream);
665 pos += scnprintf(buf + pos, bufsz - pos,
666 "Rx mode: %d\n",
667 restriction->rx_stream);
668 pos += scnprintf(buf + pos, bufsz - pos,
669 "HT mode: %d\n",
670 restriction->is_ht);
671 }
672 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
673 }
674
675 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
676 const char __user *user_buf,
677 size_t count, loff_t *ppos)
678 {
679 struct iwl_priv *priv = file->private_data;
680 char buf[8];
681 int buf_size;
682 int ht40;
683
684 memset(buf, 0, sizeof(buf));
685 buf_size = min(count, sizeof(buf) - 1);
686 if (copy_from_user(buf, user_buf, buf_size))
687 return -EFAULT;
688 if (sscanf(buf, "%d", &ht40) != 1)
689 return -EFAULT;
690 if (!iwl_is_any_associated(priv))
691 priv->disable_ht40 = ht40 ? true : false;
692 else {
693 IWL_ERR(priv, "Sta associated with AP - "
694 "Change to 40MHz channel support is not allowed\n");
695 return -EINVAL;
696 }
697
698 return count;
699 }
700
701 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
702 char __user *user_buf,
703 size_t count, loff_t *ppos)
704 {
705 struct iwl_priv *priv = file->private_data;
706 char buf[100];
707 int pos = 0;
708 const size_t bufsz = sizeof(buf);
709
710 pos += scnprintf(buf + pos, bufsz - pos,
711 "11n 40MHz Mode: %s\n",
712 priv->disable_ht40 ? "Disabled" : "Enabled");
713 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
714 }
715
716 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
717 char __user *user_buf,
718 size_t count, loff_t *ppos)
719 {
720 struct iwl_priv *priv = file->private_data;
721 char buf[8];
722 int pos = 0;
723 const size_t bufsz = sizeof(buf);
724
725 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
726 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
727 }
728
729
730 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
731 const char __user *user_buf,
732 size_t count, loff_t *ppos)
733 {
734 struct iwl_priv *priv = file->private_data;
735 char buf[8];
736 int buf_size;
737 int value;
738
739 memset(buf, 0, sizeof(buf));
740 buf_size = min(count, sizeof(buf) - 1);
741 if (copy_from_user(buf, user_buf, buf_size))
742 return -EFAULT;
743
744 if (sscanf(buf, "%d", &value) != 1)
745 return -EINVAL;
746
747 /*
748 * Our users expect 0 to be "CAM", but 0 isn't actually
749 * valid here. However, let's not confuse them and present
750 * IWL_POWER_INDEX_1 as "1", not "0".
751 */
752 if (value == 0)
753 return -EINVAL;
754 else if (value > 0)
755 value -= 1;
756
757 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
758 return -EINVAL;
759
760 if (!iwl_is_ready_rf(priv->shrd))
761 return -EAGAIN;
762
763 priv->power_data.debug_sleep_level_override = value;
764
765 mutex_lock(&priv->shrd->mutex);
766 iwl_power_update_mode(priv, true);
767 mutex_unlock(&priv->shrd->mutex);
768
769 return count;
770 }
771
772 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
773 char __user *user_buf,
774 size_t count, loff_t *ppos)
775 {
776 struct iwl_priv *priv = file->private_data;
777 char buf[10];
778 int pos, value;
779 const size_t bufsz = sizeof(buf);
780
781 /* see the write function */
782 value = priv->power_data.debug_sleep_level_override;
783 if (value >= 0)
784 value += 1;
785
786 pos = scnprintf(buf, bufsz, "%d\n", value);
787 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
788 }
789
790 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
791 char __user *user_buf,
792 size_t count, loff_t *ppos)
793 {
794 struct iwl_priv *priv = file->private_data;
795 char buf[200];
796 int pos = 0, i;
797 const size_t bufsz = sizeof(buf);
798 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
799
800 pos += scnprintf(buf + pos, bufsz - pos,
801 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
802 pos += scnprintf(buf + pos, bufsz - pos,
803 "RX/TX timeout: %d/%d usec\n",
804 le32_to_cpu(cmd->rx_data_timeout),
805 le32_to_cpu(cmd->tx_data_timeout));
806 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
807 pos += scnprintf(buf + pos, bufsz - pos,
808 "sleep_interval[%d]: %d\n", i,
809 le32_to_cpu(cmd->sleep_interval[i]));
810
811 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
812 }
813
814 DEBUGFS_READ_WRITE_FILE_OPS(sram);
815 DEBUGFS_READ_FILE_OPS(wowlan_sram);
816 DEBUGFS_READ_FILE_OPS(nvm);
817 DEBUGFS_READ_FILE_OPS(stations);
818 DEBUGFS_READ_FILE_OPS(channels);
819 DEBUGFS_READ_FILE_OPS(status);
820 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
821 DEBUGFS_READ_FILE_OPS(qos);
822 DEBUGFS_READ_FILE_OPS(thermal_throttling);
823 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
824 DEBUGFS_READ_FILE_OPS(temperature);
825 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
826 DEBUGFS_READ_FILE_OPS(current_sleep_command);
827
828 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
829 char __user *user_buf,
830 size_t count, loff_t *ppos)
831 {
832 struct iwl_priv *priv = file->private_data;
833 int pos = 0, ofs = 0;
834 int cnt = 0, entry;
835
836 char *buf;
837 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
838 (hw_params(priv).max_txq_num * 32 * 8) + 400;
839 const u8 *ptr;
840 ssize_t ret;
841
842 buf = kzalloc(bufsz, GFP_KERNEL);
843 if (!buf) {
844 IWL_ERR(priv, "Can not allocate buffer\n");
845 return -ENOMEM;
846 }
847 if (priv->tx_traffic &&
848 (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
849 ptr = priv->tx_traffic;
850 pos += scnprintf(buf + pos, bufsz - pos,
851 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
852 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
853 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
854 entry++, ofs += 16) {
855 pos += scnprintf(buf + pos, bufsz - pos,
856 "0x%.4x ", ofs);
857 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
858 buf + pos, bufsz - pos, 0);
859 pos += strlen(buf + pos);
860 if (bufsz - pos > 0)
861 buf[pos++] = '\n';
862 }
863 }
864 }
865
866 if (priv->rx_traffic &&
867 (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
868 ptr = priv->rx_traffic;
869 pos += scnprintf(buf + pos, bufsz - pos,
870 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
871 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
872 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
873 entry++, ofs += 16) {
874 pos += scnprintf(buf + pos, bufsz - pos,
875 "0x%.4x ", ofs);
876 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
877 buf + pos, bufsz - pos, 0);
878 pos += strlen(buf + pos);
879 if (bufsz - pos > 0)
880 buf[pos++] = '\n';
881 }
882 }
883 }
884
885 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
886 kfree(buf);
887 return ret;
888 }
889
890 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
891 const char __user *user_buf,
892 size_t count, loff_t *ppos)
893 {
894 struct iwl_priv *priv = file->private_data;
895 char buf[8];
896 int buf_size;
897 int traffic_log;
898
899 memset(buf, 0, sizeof(buf));
900 buf_size = min(count, sizeof(buf) - 1);
901 if (copy_from_user(buf, user_buf, buf_size))
902 return -EFAULT;
903 if (sscanf(buf, "%d", &traffic_log) != 1)
904 return -EFAULT;
905 if (traffic_log == 0)
906 iwl_reset_traffic_log(priv);
907
908 return count;
909 }
910
911 static const char *fmt_value = " %-30s %10u\n";
912 static const char *fmt_hex = " %-30s 0x%02X\n";
913 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
914 static const char *fmt_header =
915 "%-32s current cumulative delta max\n";
916
917 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
918 {
919 int p = 0;
920 u32 flag;
921
922 flag = le32_to_cpu(priv->statistics.flag);
923
924 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
925 if (flag & UCODE_STATISTICS_CLEAR_MSK)
926 p += scnprintf(buf + p, bufsz - p,
927 "\tStatistics have been cleared\n");
928 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
929 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
930 ? "2.4 GHz" : "5.2 GHz");
931 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
932 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
933 ? "enabled" : "disabled");
934
935 return p;
936 }
937
938 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
939 char __user *user_buf,
940 size_t count, loff_t *ppos)
941 {
942 struct iwl_priv *priv = file->private_data;
943 int pos = 0;
944 char *buf;
945 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
946 sizeof(struct statistics_rx_non_phy) * 40 +
947 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
948 ssize_t ret;
949 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
950 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
951 struct statistics_rx_non_phy *general, *accum_general;
952 struct statistics_rx_non_phy *delta_general, *max_general;
953 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
954
955 if (!iwl_is_alive(priv->shrd))
956 return -EAGAIN;
957
958 buf = kzalloc(bufsz, GFP_KERNEL);
959 if (!buf) {
960 IWL_ERR(priv, "Can not allocate Buffer\n");
961 return -ENOMEM;
962 }
963
964 /*
965 * the statistic information display here is based on
966 * the last statistics notification from uCode
967 * might not reflect the current uCode activity
968 */
969 ofdm = &priv->statistics.rx_ofdm;
970 cck = &priv->statistics.rx_cck;
971 general = &priv->statistics.rx_non_phy;
972 ht = &priv->statistics.rx_ofdm_ht;
973 accum_ofdm = &priv->accum_stats.rx_ofdm;
974 accum_cck = &priv->accum_stats.rx_cck;
975 accum_general = &priv->accum_stats.rx_non_phy;
976 accum_ht = &priv->accum_stats.rx_ofdm_ht;
977 delta_ofdm = &priv->delta_stats.rx_ofdm;
978 delta_cck = &priv->delta_stats.rx_cck;
979 delta_general = &priv->delta_stats.rx_non_phy;
980 delta_ht = &priv->delta_stats.rx_ofdm_ht;
981 max_ofdm = &priv->max_delta_stats.rx_ofdm;
982 max_cck = &priv->max_delta_stats.rx_cck;
983 max_general = &priv->max_delta_stats.rx_non_phy;
984 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
985
986 pos += iwl_statistics_flag(priv, buf, bufsz);
987 pos += scnprintf(buf + pos, bufsz - pos,
988 fmt_header, "Statistics_Rx - OFDM:");
989 pos += scnprintf(buf + pos, bufsz - pos,
990 fmt_table, "ina_cnt:",
991 le32_to_cpu(ofdm->ina_cnt),
992 accum_ofdm->ina_cnt,
993 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
994 pos += scnprintf(buf + pos, bufsz - pos,
995 fmt_table, "fina_cnt:",
996 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
997 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
998 pos += scnprintf(buf + pos, bufsz - pos,
999 fmt_table, "plcp_err:",
1000 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1001 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1002 pos += scnprintf(buf + pos, bufsz - pos,
1003 fmt_table, "crc32_err:",
1004 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1005 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1006 pos += scnprintf(buf + pos, bufsz - pos,
1007 fmt_table, "overrun_err:",
1008 le32_to_cpu(ofdm->overrun_err),
1009 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1010 max_ofdm->overrun_err);
1011 pos += scnprintf(buf + pos, bufsz - pos,
1012 fmt_table, "early_overrun_err:",
1013 le32_to_cpu(ofdm->early_overrun_err),
1014 accum_ofdm->early_overrun_err,
1015 delta_ofdm->early_overrun_err,
1016 max_ofdm->early_overrun_err);
1017 pos += scnprintf(buf + pos, bufsz - pos,
1018 fmt_table, "crc32_good:",
1019 le32_to_cpu(ofdm->crc32_good),
1020 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1021 max_ofdm->crc32_good);
1022 pos += scnprintf(buf + pos, bufsz - pos,
1023 fmt_table, "false_alarm_cnt:",
1024 le32_to_cpu(ofdm->false_alarm_cnt),
1025 accum_ofdm->false_alarm_cnt,
1026 delta_ofdm->false_alarm_cnt,
1027 max_ofdm->false_alarm_cnt);
1028 pos += scnprintf(buf + pos, bufsz - pos,
1029 fmt_table, "fina_sync_err_cnt:",
1030 le32_to_cpu(ofdm->fina_sync_err_cnt),
1031 accum_ofdm->fina_sync_err_cnt,
1032 delta_ofdm->fina_sync_err_cnt,
1033 max_ofdm->fina_sync_err_cnt);
1034 pos += scnprintf(buf + pos, bufsz - pos,
1035 fmt_table, "sfd_timeout:",
1036 le32_to_cpu(ofdm->sfd_timeout),
1037 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1038 max_ofdm->sfd_timeout);
1039 pos += scnprintf(buf + pos, bufsz - pos,
1040 fmt_table, "fina_timeout:",
1041 le32_to_cpu(ofdm->fina_timeout),
1042 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1043 max_ofdm->fina_timeout);
1044 pos += scnprintf(buf + pos, bufsz - pos,
1045 fmt_table, "unresponded_rts:",
1046 le32_to_cpu(ofdm->unresponded_rts),
1047 accum_ofdm->unresponded_rts,
1048 delta_ofdm->unresponded_rts,
1049 max_ofdm->unresponded_rts);
1050 pos += scnprintf(buf + pos, bufsz - pos,
1051 fmt_table, "rxe_frame_lmt_ovrun:",
1052 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1053 accum_ofdm->rxe_frame_limit_overrun,
1054 delta_ofdm->rxe_frame_limit_overrun,
1055 max_ofdm->rxe_frame_limit_overrun);
1056 pos += scnprintf(buf + pos, bufsz - pos,
1057 fmt_table, "sent_ack_cnt:",
1058 le32_to_cpu(ofdm->sent_ack_cnt),
1059 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1060 max_ofdm->sent_ack_cnt);
1061 pos += scnprintf(buf + pos, bufsz - pos,
1062 fmt_table, "sent_cts_cnt:",
1063 le32_to_cpu(ofdm->sent_cts_cnt),
1064 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1065 max_ofdm->sent_cts_cnt);
1066 pos += scnprintf(buf + pos, bufsz - pos,
1067 fmt_table, "sent_ba_rsp_cnt:",
1068 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1069 accum_ofdm->sent_ba_rsp_cnt,
1070 delta_ofdm->sent_ba_rsp_cnt,
1071 max_ofdm->sent_ba_rsp_cnt);
1072 pos += scnprintf(buf + pos, bufsz - pos,
1073 fmt_table, "dsp_self_kill:",
1074 le32_to_cpu(ofdm->dsp_self_kill),
1075 accum_ofdm->dsp_self_kill,
1076 delta_ofdm->dsp_self_kill,
1077 max_ofdm->dsp_self_kill);
1078 pos += scnprintf(buf + pos, bufsz - pos,
1079 fmt_table, "mh_format_err:",
1080 le32_to_cpu(ofdm->mh_format_err),
1081 accum_ofdm->mh_format_err,
1082 delta_ofdm->mh_format_err,
1083 max_ofdm->mh_format_err);
1084 pos += scnprintf(buf + pos, bufsz - pos,
1085 fmt_table, "re_acq_main_rssi_sum:",
1086 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1087 accum_ofdm->re_acq_main_rssi_sum,
1088 delta_ofdm->re_acq_main_rssi_sum,
1089 max_ofdm->re_acq_main_rssi_sum);
1090
1091 pos += scnprintf(buf + pos, bufsz - pos,
1092 fmt_header, "Statistics_Rx - CCK:");
1093 pos += scnprintf(buf + pos, bufsz - pos,
1094 fmt_table, "ina_cnt:",
1095 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1096 delta_cck->ina_cnt, max_cck->ina_cnt);
1097 pos += scnprintf(buf + pos, bufsz - pos,
1098 fmt_table, "fina_cnt:",
1099 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1100 delta_cck->fina_cnt, max_cck->fina_cnt);
1101 pos += scnprintf(buf + pos, bufsz - pos,
1102 fmt_table, "plcp_err:",
1103 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1104 delta_cck->plcp_err, max_cck->plcp_err);
1105 pos += scnprintf(buf + pos, bufsz - pos,
1106 fmt_table, "crc32_err:",
1107 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1108 delta_cck->crc32_err, max_cck->crc32_err);
1109 pos += scnprintf(buf + pos, bufsz - pos,
1110 fmt_table, "overrun_err:",
1111 le32_to_cpu(cck->overrun_err),
1112 accum_cck->overrun_err, delta_cck->overrun_err,
1113 max_cck->overrun_err);
1114 pos += scnprintf(buf + pos, bufsz - pos,
1115 fmt_table, "early_overrun_err:",
1116 le32_to_cpu(cck->early_overrun_err),
1117 accum_cck->early_overrun_err,
1118 delta_cck->early_overrun_err,
1119 max_cck->early_overrun_err);
1120 pos += scnprintf(buf + pos, bufsz - pos,
1121 fmt_table, "crc32_good:",
1122 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1123 delta_cck->crc32_good, max_cck->crc32_good);
1124 pos += scnprintf(buf + pos, bufsz - pos,
1125 fmt_table, "false_alarm_cnt:",
1126 le32_to_cpu(cck->false_alarm_cnt),
1127 accum_cck->false_alarm_cnt,
1128 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1129 pos += scnprintf(buf + pos, bufsz - pos,
1130 fmt_table, "fina_sync_err_cnt:",
1131 le32_to_cpu(cck->fina_sync_err_cnt),
1132 accum_cck->fina_sync_err_cnt,
1133 delta_cck->fina_sync_err_cnt,
1134 max_cck->fina_sync_err_cnt);
1135 pos += scnprintf(buf + pos, bufsz - pos,
1136 fmt_table, "sfd_timeout:",
1137 le32_to_cpu(cck->sfd_timeout),
1138 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1139 max_cck->sfd_timeout);
1140 pos += scnprintf(buf + pos, bufsz - pos,
1141 fmt_table, "fina_timeout:",
1142 le32_to_cpu(cck->fina_timeout),
1143 accum_cck->fina_timeout, delta_cck->fina_timeout,
1144 max_cck->fina_timeout);
1145 pos += scnprintf(buf + pos, bufsz - pos,
1146 fmt_table, "unresponded_rts:",
1147 le32_to_cpu(cck->unresponded_rts),
1148 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1149 max_cck->unresponded_rts);
1150 pos += scnprintf(buf + pos, bufsz - pos,
1151 fmt_table, "rxe_frame_lmt_ovrun:",
1152 le32_to_cpu(cck->rxe_frame_limit_overrun),
1153 accum_cck->rxe_frame_limit_overrun,
1154 delta_cck->rxe_frame_limit_overrun,
1155 max_cck->rxe_frame_limit_overrun);
1156 pos += scnprintf(buf + pos, bufsz - pos,
1157 fmt_table, "sent_ack_cnt:",
1158 le32_to_cpu(cck->sent_ack_cnt),
1159 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1160 max_cck->sent_ack_cnt);
1161 pos += scnprintf(buf + pos, bufsz - pos,
1162 fmt_table, "sent_cts_cnt:",
1163 le32_to_cpu(cck->sent_cts_cnt),
1164 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1165 max_cck->sent_cts_cnt);
1166 pos += scnprintf(buf + pos, bufsz - pos,
1167 fmt_table, "sent_ba_rsp_cnt:",
1168 le32_to_cpu(cck->sent_ba_rsp_cnt),
1169 accum_cck->sent_ba_rsp_cnt,
1170 delta_cck->sent_ba_rsp_cnt,
1171 max_cck->sent_ba_rsp_cnt);
1172 pos += scnprintf(buf + pos, bufsz - pos,
1173 fmt_table, "dsp_self_kill:",
1174 le32_to_cpu(cck->dsp_self_kill),
1175 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1176 max_cck->dsp_self_kill);
1177 pos += scnprintf(buf + pos, bufsz - pos,
1178 fmt_table, "mh_format_err:",
1179 le32_to_cpu(cck->mh_format_err),
1180 accum_cck->mh_format_err, delta_cck->mh_format_err,
1181 max_cck->mh_format_err);
1182 pos += scnprintf(buf + pos, bufsz - pos,
1183 fmt_table, "re_acq_main_rssi_sum:",
1184 le32_to_cpu(cck->re_acq_main_rssi_sum),
1185 accum_cck->re_acq_main_rssi_sum,
1186 delta_cck->re_acq_main_rssi_sum,
1187 max_cck->re_acq_main_rssi_sum);
1188
1189 pos += scnprintf(buf + pos, bufsz - pos,
1190 fmt_header, "Statistics_Rx - GENERAL:");
1191 pos += scnprintf(buf + pos, bufsz - pos,
1192 fmt_table, "bogus_cts:",
1193 le32_to_cpu(general->bogus_cts),
1194 accum_general->bogus_cts, delta_general->bogus_cts,
1195 max_general->bogus_cts);
1196 pos += scnprintf(buf + pos, bufsz - pos,
1197 fmt_table, "bogus_ack:",
1198 le32_to_cpu(general->bogus_ack),
1199 accum_general->bogus_ack, delta_general->bogus_ack,
1200 max_general->bogus_ack);
1201 pos += scnprintf(buf + pos, bufsz - pos,
1202 fmt_table, "non_bssid_frames:",
1203 le32_to_cpu(general->non_bssid_frames),
1204 accum_general->non_bssid_frames,
1205 delta_general->non_bssid_frames,
1206 max_general->non_bssid_frames);
1207 pos += scnprintf(buf + pos, bufsz - pos,
1208 fmt_table, "filtered_frames:",
1209 le32_to_cpu(general->filtered_frames),
1210 accum_general->filtered_frames,
1211 delta_general->filtered_frames,
1212 max_general->filtered_frames);
1213 pos += scnprintf(buf + pos, bufsz - pos,
1214 fmt_table, "non_channel_beacons:",
1215 le32_to_cpu(general->non_channel_beacons),
1216 accum_general->non_channel_beacons,
1217 delta_general->non_channel_beacons,
1218 max_general->non_channel_beacons);
1219 pos += scnprintf(buf + pos, bufsz - pos,
1220 fmt_table, "channel_beacons:",
1221 le32_to_cpu(general->channel_beacons),
1222 accum_general->channel_beacons,
1223 delta_general->channel_beacons,
1224 max_general->channel_beacons);
1225 pos += scnprintf(buf + pos, bufsz - pos,
1226 fmt_table, "num_missed_bcon:",
1227 le32_to_cpu(general->num_missed_bcon),
1228 accum_general->num_missed_bcon,
1229 delta_general->num_missed_bcon,
1230 max_general->num_missed_bcon);
1231 pos += scnprintf(buf + pos, bufsz - pos,
1232 fmt_table, "adc_rx_saturation_time:",
1233 le32_to_cpu(general->adc_rx_saturation_time),
1234 accum_general->adc_rx_saturation_time,
1235 delta_general->adc_rx_saturation_time,
1236 max_general->adc_rx_saturation_time);
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 fmt_table, "ina_detect_search_tm:",
1239 le32_to_cpu(general->ina_detection_search_time),
1240 accum_general->ina_detection_search_time,
1241 delta_general->ina_detection_search_time,
1242 max_general->ina_detection_search_time);
1243 pos += scnprintf(buf + pos, bufsz - pos,
1244 fmt_table, "beacon_silence_rssi_a:",
1245 le32_to_cpu(general->beacon_silence_rssi_a),
1246 accum_general->beacon_silence_rssi_a,
1247 delta_general->beacon_silence_rssi_a,
1248 max_general->beacon_silence_rssi_a);
1249 pos += scnprintf(buf + pos, bufsz - pos,
1250 fmt_table, "beacon_silence_rssi_b:",
1251 le32_to_cpu(general->beacon_silence_rssi_b),
1252 accum_general->beacon_silence_rssi_b,
1253 delta_general->beacon_silence_rssi_b,
1254 max_general->beacon_silence_rssi_b);
1255 pos += scnprintf(buf + pos, bufsz - pos,
1256 fmt_table, "beacon_silence_rssi_c:",
1257 le32_to_cpu(general->beacon_silence_rssi_c),
1258 accum_general->beacon_silence_rssi_c,
1259 delta_general->beacon_silence_rssi_c,
1260 max_general->beacon_silence_rssi_c);
1261 pos += scnprintf(buf + pos, bufsz - pos,
1262 fmt_table, "interference_data_flag:",
1263 le32_to_cpu(general->interference_data_flag),
1264 accum_general->interference_data_flag,
1265 delta_general->interference_data_flag,
1266 max_general->interference_data_flag);
1267 pos += scnprintf(buf + pos, bufsz - pos,
1268 fmt_table, "channel_load:",
1269 le32_to_cpu(general->channel_load),
1270 accum_general->channel_load,
1271 delta_general->channel_load,
1272 max_general->channel_load);
1273 pos += scnprintf(buf + pos, bufsz - pos,
1274 fmt_table, "dsp_false_alarms:",
1275 le32_to_cpu(general->dsp_false_alarms),
1276 accum_general->dsp_false_alarms,
1277 delta_general->dsp_false_alarms,
1278 max_general->dsp_false_alarms);
1279 pos += scnprintf(buf + pos, bufsz - pos,
1280 fmt_table, "beacon_rssi_a:",
1281 le32_to_cpu(general->beacon_rssi_a),
1282 accum_general->beacon_rssi_a,
1283 delta_general->beacon_rssi_a,
1284 max_general->beacon_rssi_a);
1285 pos += scnprintf(buf + pos, bufsz - pos,
1286 fmt_table, "beacon_rssi_b:",
1287 le32_to_cpu(general->beacon_rssi_b),
1288 accum_general->beacon_rssi_b,
1289 delta_general->beacon_rssi_b,
1290 max_general->beacon_rssi_b);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 fmt_table, "beacon_rssi_c:",
1293 le32_to_cpu(general->beacon_rssi_c),
1294 accum_general->beacon_rssi_c,
1295 delta_general->beacon_rssi_c,
1296 max_general->beacon_rssi_c);
1297 pos += scnprintf(buf + pos, bufsz - pos,
1298 fmt_table, "beacon_energy_a:",
1299 le32_to_cpu(general->beacon_energy_a),
1300 accum_general->beacon_energy_a,
1301 delta_general->beacon_energy_a,
1302 max_general->beacon_energy_a);
1303 pos += scnprintf(buf + pos, bufsz - pos,
1304 fmt_table, "beacon_energy_b:",
1305 le32_to_cpu(general->beacon_energy_b),
1306 accum_general->beacon_energy_b,
1307 delta_general->beacon_energy_b,
1308 max_general->beacon_energy_b);
1309 pos += scnprintf(buf + pos, bufsz - pos,
1310 fmt_table, "beacon_energy_c:",
1311 le32_to_cpu(general->beacon_energy_c),
1312 accum_general->beacon_energy_c,
1313 delta_general->beacon_energy_c,
1314 max_general->beacon_energy_c);
1315
1316 pos += scnprintf(buf + pos, bufsz - pos,
1317 fmt_header, "Statistics_Rx - OFDM_HT:");
1318 pos += scnprintf(buf + pos, bufsz - pos,
1319 fmt_table, "plcp_err:",
1320 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1321 delta_ht->plcp_err, max_ht->plcp_err);
1322 pos += scnprintf(buf + pos, bufsz - pos,
1323 fmt_table, "overrun_err:",
1324 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1325 delta_ht->overrun_err, max_ht->overrun_err);
1326 pos += scnprintf(buf + pos, bufsz - pos,
1327 fmt_table, "early_overrun_err:",
1328 le32_to_cpu(ht->early_overrun_err),
1329 accum_ht->early_overrun_err,
1330 delta_ht->early_overrun_err,
1331 max_ht->early_overrun_err);
1332 pos += scnprintf(buf + pos, bufsz - pos,
1333 fmt_table, "crc32_good:",
1334 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1335 delta_ht->crc32_good, max_ht->crc32_good);
1336 pos += scnprintf(buf + pos, bufsz - pos,
1337 fmt_table, "crc32_err:",
1338 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1339 delta_ht->crc32_err, max_ht->crc32_err);
1340 pos += scnprintf(buf + pos, bufsz - pos,
1341 fmt_table, "mh_format_err:",
1342 le32_to_cpu(ht->mh_format_err),
1343 accum_ht->mh_format_err,
1344 delta_ht->mh_format_err, max_ht->mh_format_err);
1345 pos += scnprintf(buf + pos, bufsz - pos,
1346 fmt_table, "agg_crc32_good:",
1347 le32_to_cpu(ht->agg_crc32_good),
1348 accum_ht->agg_crc32_good,
1349 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1350 pos += scnprintf(buf + pos, bufsz - pos,
1351 fmt_table, "agg_mpdu_cnt:",
1352 le32_to_cpu(ht->agg_mpdu_cnt),
1353 accum_ht->agg_mpdu_cnt,
1354 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1355 pos += scnprintf(buf + pos, bufsz - pos,
1356 fmt_table, "agg_cnt:",
1357 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1358 delta_ht->agg_cnt, max_ht->agg_cnt);
1359 pos += scnprintf(buf + pos, bufsz - pos,
1360 fmt_table, "unsupport_mcs:",
1361 le32_to_cpu(ht->unsupport_mcs),
1362 accum_ht->unsupport_mcs,
1363 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1364
1365 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1366 kfree(buf);
1367 return ret;
1368 }
1369
1370 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1371 char __user *user_buf,
1372 size_t count, loff_t *ppos)
1373 {
1374 struct iwl_priv *priv = file->private_data;
1375 int pos = 0;
1376 char *buf;
1377 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1378 ssize_t ret;
1379 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1380
1381 if (!iwl_is_alive(priv->shrd))
1382 return -EAGAIN;
1383
1384 buf = kzalloc(bufsz, GFP_KERNEL);
1385 if (!buf) {
1386 IWL_ERR(priv, "Can not allocate Buffer\n");
1387 return -ENOMEM;
1388 }
1389
1390 /* the statistic information display here is based on
1391 * the last statistics notification from uCode
1392 * might not reflect the current uCode activity
1393 */
1394 tx = &priv->statistics.tx;
1395 accum_tx = &priv->accum_stats.tx;
1396 delta_tx = &priv->delta_stats.tx;
1397 max_tx = &priv->max_delta_stats.tx;
1398
1399 pos += iwl_statistics_flag(priv, buf, bufsz);
1400 pos += scnprintf(buf + pos, bufsz - pos,
1401 fmt_header, "Statistics_Tx:");
1402 pos += scnprintf(buf + pos, bufsz - pos,
1403 fmt_table, "preamble:",
1404 le32_to_cpu(tx->preamble_cnt),
1405 accum_tx->preamble_cnt,
1406 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1407 pos += scnprintf(buf + pos, bufsz - pos,
1408 fmt_table, "rx_detected_cnt:",
1409 le32_to_cpu(tx->rx_detected_cnt),
1410 accum_tx->rx_detected_cnt,
1411 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1412 pos += scnprintf(buf + pos, bufsz - pos,
1413 fmt_table, "bt_prio_defer_cnt:",
1414 le32_to_cpu(tx->bt_prio_defer_cnt),
1415 accum_tx->bt_prio_defer_cnt,
1416 delta_tx->bt_prio_defer_cnt,
1417 max_tx->bt_prio_defer_cnt);
1418 pos += scnprintf(buf + pos, bufsz - pos,
1419 fmt_table, "bt_prio_kill_cnt:",
1420 le32_to_cpu(tx->bt_prio_kill_cnt),
1421 accum_tx->bt_prio_kill_cnt,
1422 delta_tx->bt_prio_kill_cnt,
1423 max_tx->bt_prio_kill_cnt);
1424 pos += scnprintf(buf + pos, bufsz - pos,
1425 fmt_table, "few_bytes_cnt:",
1426 le32_to_cpu(tx->few_bytes_cnt),
1427 accum_tx->few_bytes_cnt,
1428 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1429 pos += scnprintf(buf + pos, bufsz - pos,
1430 fmt_table, "cts_timeout:",
1431 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1432 delta_tx->cts_timeout, max_tx->cts_timeout);
1433 pos += scnprintf(buf + pos, bufsz - pos,
1434 fmt_table, "ack_timeout:",
1435 le32_to_cpu(tx->ack_timeout),
1436 accum_tx->ack_timeout,
1437 delta_tx->ack_timeout, max_tx->ack_timeout);
1438 pos += scnprintf(buf + pos, bufsz - pos,
1439 fmt_table, "expected_ack_cnt:",
1440 le32_to_cpu(tx->expected_ack_cnt),
1441 accum_tx->expected_ack_cnt,
1442 delta_tx->expected_ack_cnt,
1443 max_tx->expected_ack_cnt);
1444 pos += scnprintf(buf + pos, bufsz - pos,
1445 fmt_table, "actual_ack_cnt:",
1446 le32_to_cpu(tx->actual_ack_cnt),
1447 accum_tx->actual_ack_cnt,
1448 delta_tx->actual_ack_cnt,
1449 max_tx->actual_ack_cnt);
1450 pos += scnprintf(buf + pos, bufsz - pos,
1451 fmt_table, "dump_msdu_cnt:",
1452 le32_to_cpu(tx->dump_msdu_cnt),
1453 accum_tx->dump_msdu_cnt,
1454 delta_tx->dump_msdu_cnt,
1455 max_tx->dump_msdu_cnt);
1456 pos += scnprintf(buf + pos, bufsz - pos,
1457 fmt_table, "abort_nxt_frame_mismatch:",
1458 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1459 accum_tx->burst_abort_next_frame_mismatch_cnt,
1460 delta_tx->burst_abort_next_frame_mismatch_cnt,
1461 max_tx->burst_abort_next_frame_mismatch_cnt);
1462 pos += scnprintf(buf + pos, bufsz - pos,
1463 fmt_table, "abort_missing_nxt_frame:",
1464 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1465 accum_tx->burst_abort_missing_next_frame_cnt,
1466 delta_tx->burst_abort_missing_next_frame_cnt,
1467 max_tx->burst_abort_missing_next_frame_cnt);
1468 pos += scnprintf(buf + pos, bufsz - pos,
1469 fmt_table, "cts_timeout_collision:",
1470 le32_to_cpu(tx->cts_timeout_collision),
1471 accum_tx->cts_timeout_collision,
1472 delta_tx->cts_timeout_collision,
1473 max_tx->cts_timeout_collision);
1474 pos += scnprintf(buf + pos, bufsz - pos,
1475 fmt_table, "ack_ba_timeout_collision:",
1476 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1477 accum_tx->ack_or_ba_timeout_collision,
1478 delta_tx->ack_or_ba_timeout_collision,
1479 max_tx->ack_or_ba_timeout_collision);
1480 pos += scnprintf(buf + pos, bufsz - pos,
1481 fmt_table, "agg ba_timeout:",
1482 le32_to_cpu(tx->agg.ba_timeout),
1483 accum_tx->agg.ba_timeout,
1484 delta_tx->agg.ba_timeout,
1485 max_tx->agg.ba_timeout);
1486 pos += scnprintf(buf + pos, bufsz - pos,
1487 fmt_table, "agg ba_resched_frames:",
1488 le32_to_cpu(tx->agg.ba_reschedule_frames),
1489 accum_tx->agg.ba_reschedule_frames,
1490 delta_tx->agg.ba_reschedule_frames,
1491 max_tx->agg.ba_reschedule_frames);
1492 pos += scnprintf(buf + pos, bufsz - pos,
1493 fmt_table, "agg scd_query_agg_frame:",
1494 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1495 accum_tx->agg.scd_query_agg_frame_cnt,
1496 delta_tx->agg.scd_query_agg_frame_cnt,
1497 max_tx->agg.scd_query_agg_frame_cnt);
1498 pos += scnprintf(buf + pos, bufsz - pos,
1499 fmt_table, "agg scd_query_no_agg:",
1500 le32_to_cpu(tx->agg.scd_query_no_agg),
1501 accum_tx->agg.scd_query_no_agg,
1502 delta_tx->agg.scd_query_no_agg,
1503 max_tx->agg.scd_query_no_agg);
1504 pos += scnprintf(buf + pos, bufsz - pos,
1505 fmt_table, "agg scd_query_agg:",
1506 le32_to_cpu(tx->agg.scd_query_agg),
1507 accum_tx->agg.scd_query_agg,
1508 delta_tx->agg.scd_query_agg,
1509 max_tx->agg.scd_query_agg);
1510 pos += scnprintf(buf + pos, bufsz - pos,
1511 fmt_table, "agg scd_query_mismatch:",
1512 le32_to_cpu(tx->agg.scd_query_mismatch),
1513 accum_tx->agg.scd_query_mismatch,
1514 delta_tx->agg.scd_query_mismatch,
1515 max_tx->agg.scd_query_mismatch);
1516 pos += scnprintf(buf + pos, bufsz - pos,
1517 fmt_table, "agg frame_not_ready:",
1518 le32_to_cpu(tx->agg.frame_not_ready),
1519 accum_tx->agg.frame_not_ready,
1520 delta_tx->agg.frame_not_ready,
1521 max_tx->agg.frame_not_ready);
1522 pos += scnprintf(buf + pos, bufsz - pos,
1523 fmt_table, "agg underrun:",
1524 le32_to_cpu(tx->agg.underrun),
1525 accum_tx->agg.underrun,
1526 delta_tx->agg.underrun, max_tx->agg.underrun);
1527 pos += scnprintf(buf + pos, bufsz - pos,
1528 fmt_table, "agg bt_prio_kill:",
1529 le32_to_cpu(tx->agg.bt_prio_kill),
1530 accum_tx->agg.bt_prio_kill,
1531 delta_tx->agg.bt_prio_kill,
1532 max_tx->agg.bt_prio_kill);
1533 pos += scnprintf(buf + pos, bufsz - pos,
1534 fmt_table, "agg rx_ba_rsp_cnt:",
1535 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1536 accum_tx->agg.rx_ba_rsp_cnt,
1537 delta_tx->agg.rx_ba_rsp_cnt,
1538 max_tx->agg.rx_ba_rsp_cnt);
1539
1540 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1541 pos += scnprintf(buf + pos, bufsz - pos,
1542 "tx power: (1/2 dB step)\n");
1543 if ((cfg(priv)->valid_tx_ant & ANT_A) && tx->tx_power.ant_a)
1544 pos += scnprintf(buf + pos, bufsz - pos,
1545 fmt_hex, "antenna A:",
1546 tx->tx_power.ant_a);
1547 if ((cfg(priv)->valid_tx_ant & ANT_B) && tx->tx_power.ant_b)
1548 pos += scnprintf(buf + pos, bufsz - pos,
1549 fmt_hex, "antenna B:",
1550 tx->tx_power.ant_b);
1551 if ((cfg(priv)->valid_tx_ant & ANT_C) && tx->tx_power.ant_c)
1552 pos += scnprintf(buf + pos, bufsz - pos,
1553 fmt_hex, "antenna C:",
1554 tx->tx_power.ant_c);
1555 }
1556 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1557 kfree(buf);
1558 return ret;
1559 }
1560
1561 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1562 char __user *user_buf,
1563 size_t count, loff_t *ppos)
1564 {
1565 struct iwl_priv *priv = file->private_data;
1566 int pos = 0;
1567 char *buf;
1568 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1569 ssize_t ret;
1570 struct statistics_general_common *general, *accum_general;
1571 struct statistics_general_common *delta_general, *max_general;
1572 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1573 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1574
1575 if (!iwl_is_alive(priv->shrd))
1576 return -EAGAIN;
1577
1578 buf = kzalloc(bufsz, GFP_KERNEL);
1579 if (!buf) {
1580 IWL_ERR(priv, "Can not allocate Buffer\n");
1581 return -ENOMEM;
1582 }
1583
1584 /* the statistic information display here is based on
1585 * the last statistics notification from uCode
1586 * might not reflect the current uCode activity
1587 */
1588 general = &priv->statistics.common;
1589 dbg = &priv->statistics.common.dbg;
1590 div = &priv->statistics.common.div;
1591 accum_general = &priv->accum_stats.common;
1592 accum_dbg = &priv->accum_stats.common.dbg;
1593 accum_div = &priv->accum_stats.common.div;
1594 delta_general = &priv->delta_stats.common;
1595 max_general = &priv->max_delta_stats.common;
1596 delta_dbg = &priv->delta_stats.common.dbg;
1597 max_dbg = &priv->max_delta_stats.common.dbg;
1598 delta_div = &priv->delta_stats.common.div;
1599 max_div = &priv->max_delta_stats.common.div;
1600
1601 pos += iwl_statistics_flag(priv, buf, bufsz);
1602 pos += scnprintf(buf + pos, bufsz - pos,
1603 fmt_header, "Statistics_General:");
1604 pos += scnprintf(buf + pos, bufsz - pos,
1605 fmt_value, "temperature:",
1606 le32_to_cpu(general->temperature));
1607 pos += scnprintf(buf + pos, bufsz - pos,
1608 fmt_value, "temperature_m:",
1609 le32_to_cpu(general->temperature_m));
1610 pos += scnprintf(buf + pos, bufsz - pos,
1611 fmt_value, "ttl_timestamp:",
1612 le32_to_cpu(general->ttl_timestamp));
1613 pos += scnprintf(buf + pos, bufsz - pos,
1614 fmt_table, "burst_check:",
1615 le32_to_cpu(dbg->burst_check),
1616 accum_dbg->burst_check,
1617 delta_dbg->burst_check, max_dbg->burst_check);
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 fmt_table, "burst_count:",
1620 le32_to_cpu(dbg->burst_count),
1621 accum_dbg->burst_count,
1622 delta_dbg->burst_count, max_dbg->burst_count);
1623 pos += scnprintf(buf + pos, bufsz - pos,
1624 fmt_table, "wait_for_silence_timeout_count:",
1625 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1626 accum_dbg->wait_for_silence_timeout_cnt,
1627 delta_dbg->wait_for_silence_timeout_cnt,
1628 max_dbg->wait_for_silence_timeout_cnt);
1629 pos += scnprintf(buf + pos, bufsz - pos,
1630 fmt_table, "sleep_time:",
1631 le32_to_cpu(general->sleep_time),
1632 accum_general->sleep_time,
1633 delta_general->sleep_time, max_general->sleep_time);
1634 pos += scnprintf(buf + pos, bufsz - pos,
1635 fmt_table, "slots_out:",
1636 le32_to_cpu(general->slots_out),
1637 accum_general->slots_out,
1638 delta_general->slots_out, max_general->slots_out);
1639 pos += scnprintf(buf + pos, bufsz - pos,
1640 fmt_table, "slots_idle:",
1641 le32_to_cpu(general->slots_idle),
1642 accum_general->slots_idle,
1643 delta_general->slots_idle, max_general->slots_idle);
1644 pos += scnprintf(buf + pos, bufsz - pos,
1645 fmt_table, "tx_on_a:",
1646 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1647 delta_div->tx_on_a, max_div->tx_on_a);
1648 pos += scnprintf(buf + pos, bufsz - pos,
1649 fmt_table, "tx_on_b:",
1650 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1651 delta_div->tx_on_b, max_div->tx_on_b);
1652 pos += scnprintf(buf + pos, bufsz - pos,
1653 fmt_table, "exec_time:",
1654 le32_to_cpu(div->exec_time), accum_div->exec_time,
1655 delta_div->exec_time, max_div->exec_time);
1656 pos += scnprintf(buf + pos, bufsz - pos,
1657 fmt_table, "probe_time:",
1658 le32_to_cpu(div->probe_time), accum_div->probe_time,
1659 delta_div->probe_time, max_div->probe_time);
1660 pos += scnprintf(buf + pos, bufsz - pos,
1661 fmt_table, "rx_enable_counter:",
1662 le32_to_cpu(general->rx_enable_counter),
1663 accum_general->rx_enable_counter,
1664 delta_general->rx_enable_counter,
1665 max_general->rx_enable_counter);
1666 pos += scnprintf(buf + pos, bufsz - pos,
1667 fmt_table, "num_of_sos_states:",
1668 le32_to_cpu(general->num_of_sos_states),
1669 accum_general->num_of_sos_states,
1670 delta_general->num_of_sos_states,
1671 max_general->num_of_sos_states);
1672 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1673 kfree(buf);
1674 return ret;
1675 }
1676
1677 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1678 char __user *user_buf,
1679 size_t count, loff_t *ppos)
1680 {
1681 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1682 int pos = 0;
1683 char *buf;
1684 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1685 ssize_t ret;
1686 struct statistics_bt_activity *bt, *accum_bt;
1687
1688 if (!iwl_is_alive(priv->shrd))
1689 return -EAGAIN;
1690
1691 if (!priv->bt_enable_flag)
1692 return -EINVAL;
1693
1694 /* make request to uCode to retrieve statistics information */
1695 mutex_lock(&priv->shrd->mutex);
1696 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1697 mutex_unlock(&priv->shrd->mutex);
1698
1699 if (ret) {
1700 IWL_ERR(priv,
1701 "Error sending statistics request: %zd\n", ret);
1702 return -EAGAIN;
1703 }
1704 buf = kzalloc(bufsz, GFP_KERNEL);
1705 if (!buf) {
1706 IWL_ERR(priv, "Can not allocate Buffer\n");
1707 return -ENOMEM;
1708 }
1709
1710 /*
1711 * the statistic information display here is based on
1712 * the last statistics notification from uCode
1713 * might not reflect the current uCode activity
1714 */
1715 bt = &priv->statistics.bt_activity;
1716 accum_bt = &priv->accum_stats.bt_activity;
1717
1718 pos += iwl_statistics_flag(priv, buf, bufsz);
1719 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1720 pos += scnprintf(buf + pos, bufsz - pos,
1721 "\t\t\tcurrent\t\t\taccumulative\n");
1722 pos += scnprintf(buf + pos, bufsz - pos,
1723 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1724 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1725 accum_bt->hi_priority_tx_req_cnt);
1726 pos += scnprintf(buf + pos, bufsz - pos,
1727 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1728 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1729 accum_bt->hi_priority_tx_denied_cnt);
1730 pos += scnprintf(buf + pos, bufsz - pos,
1731 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1732 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1733 accum_bt->lo_priority_tx_req_cnt);
1734 pos += scnprintf(buf + pos, bufsz - pos,
1735 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1736 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1737 accum_bt->lo_priority_tx_denied_cnt);
1738 pos += scnprintf(buf + pos, bufsz - pos,
1739 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1740 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1741 accum_bt->hi_priority_rx_req_cnt);
1742 pos += scnprintf(buf + pos, bufsz - pos,
1743 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1744 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1745 accum_bt->hi_priority_rx_denied_cnt);
1746 pos += scnprintf(buf + pos, bufsz - pos,
1747 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1748 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1749 accum_bt->lo_priority_rx_req_cnt);
1750 pos += scnprintf(buf + pos, bufsz - pos,
1751 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1752 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1753 accum_bt->lo_priority_rx_denied_cnt);
1754
1755 pos += scnprintf(buf + pos, bufsz - pos,
1756 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1757 le32_to_cpu(priv->statistics.num_bt_kills),
1758 priv->statistics.accum_num_bt_kills);
1759
1760 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1761 kfree(buf);
1762 return ret;
1763 }
1764
1765 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1766 char __user *user_buf,
1767 size_t count, loff_t *ppos)
1768 {
1769 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1770 int pos = 0;
1771 char *buf;
1772 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1773 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1774 ssize_t ret;
1775
1776 if (!iwl_is_alive(priv->shrd))
1777 return -EAGAIN;
1778
1779 buf = kzalloc(bufsz, GFP_KERNEL);
1780 if (!buf) {
1781 IWL_ERR(priv, "Can not allocate Buffer\n");
1782 return -ENOMEM;
1783 }
1784
1785 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1786 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1787 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1788 priv->reply_tx_stats.pp_delay);
1789 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1790 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1791 priv->reply_tx_stats.pp_few_bytes);
1792 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1793 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1794 priv->reply_tx_stats.pp_bt_prio);
1795 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1796 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1797 priv->reply_tx_stats.pp_quiet_period);
1798 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1799 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1800 priv->reply_tx_stats.pp_calc_ttak);
1801 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1802 iwl_get_tx_fail_reason(
1803 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1804 priv->reply_tx_stats.int_crossed_retry);
1805 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1806 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1807 priv->reply_tx_stats.short_limit);
1808 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1809 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1810 priv->reply_tx_stats.long_limit);
1811 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1812 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1813 priv->reply_tx_stats.fifo_underrun);
1814 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1815 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1816 priv->reply_tx_stats.drain_flow);
1817 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1818 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1819 priv->reply_tx_stats.rfkill_flush);
1820 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1821 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1822 priv->reply_tx_stats.life_expire);
1823 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1824 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1825 priv->reply_tx_stats.dest_ps);
1826 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1827 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1828 priv->reply_tx_stats.host_abort);
1829 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1830 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1831 priv->reply_tx_stats.pp_delay);
1832 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1833 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1834 priv->reply_tx_stats.sta_invalid);
1835 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1836 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1837 priv->reply_tx_stats.frag_drop);
1838 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1839 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1840 priv->reply_tx_stats.tid_disable);
1841 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1842 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1843 priv->reply_tx_stats.fifo_flush);
1844 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1845 iwl_get_tx_fail_reason(
1846 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1847 priv->reply_tx_stats.insuff_cf_poll);
1848 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1849 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1850 priv->reply_tx_stats.fail_hw_drop);
1851 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1852 iwl_get_tx_fail_reason(
1853 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1854 priv->reply_tx_stats.sta_color_mismatch);
1855 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1856 priv->reply_tx_stats.unknown);
1857
1858 pos += scnprintf(buf + pos, bufsz - pos,
1859 "\nStatistics_Agg_TX_Error:\n");
1860
1861 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1862 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1863 priv->reply_agg_tx_stats.underrun);
1864 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1865 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1866 priv->reply_agg_tx_stats.bt_prio);
1867 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1868 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1869 priv->reply_agg_tx_stats.few_bytes);
1870 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1871 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1872 priv->reply_agg_tx_stats.abort);
1873 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1874 iwl_get_agg_tx_fail_reason(
1875 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1876 priv->reply_agg_tx_stats.last_sent_ttl);
1877 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1878 iwl_get_agg_tx_fail_reason(
1879 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1880 priv->reply_agg_tx_stats.last_sent_try);
1881 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1882 iwl_get_agg_tx_fail_reason(
1883 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1884 priv->reply_agg_tx_stats.last_sent_bt_kill);
1885 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1886 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1887 priv->reply_agg_tx_stats.scd_query);
1888 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1889 iwl_get_agg_tx_fail_reason(
1890 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1891 priv->reply_agg_tx_stats.bad_crc32);
1892 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1893 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1894 priv->reply_agg_tx_stats.response);
1895 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1896 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1897 priv->reply_agg_tx_stats.dump_tx);
1898 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1899 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1900 priv->reply_agg_tx_stats.delay_tx);
1901 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1902 priv->reply_agg_tx_stats.unknown);
1903
1904 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1905 kfree(buf);
1906 return ret;
1907 }
1908
1909 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1910 char __user *user_buf,
1911 size_t count, loff_t *ppos) {
1912
1913 struct iwl_priv *priv = file->private_data;
1914 int pos = 0;
1915 int cnt = 0;
1916 char *buf;
1917 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1918 ssize_t ret;
1919 struct iwl_sensitivity_data *data;
1920
1921 data = &priv->sensitivity_data;
1922 buf = kzalloc(bufsz, GFP_KERNEL);
1923 if (!buf) {
1924 IWL_ERR(priv, "Can not allocate Buffer\n");
1925 return -ENOMEM;
1926 }
1927
1928 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1929 data->auto_corr_ofdm);
1930 pos += scnprintf(buf + pos, bufsz - pos,
1931 "auto_corr_ofdm_mrc:\t\t %u\n",
1932 data->auto_corr_ofdm_mrc);
1933 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1934 data->auto_corr_ofdm_x1);
1935 pos += scnprintf(buf + pos, bufsz - pos,
1936 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1937 data->auto_corr_ofdm_mrc_x1);
1938 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1939 data->auto_corr_cck);
1940 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1941 data->auto_corr_cck_mrc);
1942 pos += scnprintf(buf + pos, bufsz - pos,
1943 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1944 data->last_bad_plcp_cnt_ofdm);
1945 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1946 data->last_fa_cnt_ofdm);
1947 pos += scnprintf(buf + pos, bufsz - pos,
1948 "last_bad_plcp_cnt_cck:\t\t %u\n",
1949 data->last_bad_plcp_cnt_cck);
1950 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1951 data->last_fa_cnt_cck);
1952 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1953 data->nrg_curr_state);
1954 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1955 data->nrg_prev_state);
1956 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1957 for (cnt = 0; cnt < 10; cnt++) {
1958 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1959 data->nrg_value[cnt]);
1960 }
1961 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1962 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1963 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1964 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1965 data->nrg_silence_rssi[cnt]);
1966 }
1967 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1968 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1969 data->nrg_silence_ref);
1970 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1971 data->nrg_energy_idx);
1972 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1973 data->nrg_silence_idx);
1974 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1975 data->nrg_th_cck);
1976 pos += scnprintf(buf + pos, bufsz - pos,
1977 "nrg_auto_corr_silence_diff:\t %u\n",
1978 data->nrg_auto_corr_silence_diff);
1979 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1980 data->num_in_cck_no_fa);
1981 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1982 data->nrg_th_ofdm);
1983
1984 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1985 kfree(buf);
1986 return ret;
1987 }
1988
1989
1990 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1991 char __user *user_buf,
1992 size_t count, loff_t *ppos) {
1993
1994 struct iwl_priv *priv = file->private_data;
1995 int pos = 0;
1996 int cnt = 0;
1997 char *buf;
1998 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1999 ssize_t ret;
2000 struct iwl_chain_noise_data *data;
2001
2002 data = &priv->chain_noise_data;
2003 buf = kzalloc(bufsz, GFP_KERNEL);
2004 if (!buf) {
2005 IWL_ERR(priv, "Can not allocate Buffer\n");
2006 return -ENOMEM;
2007 }
2008
2009 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2010 data->active_chains);
2011 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2012 data->chain_noise_a);
2013 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2014 data->chain_noise_b);
2015 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2016 data->chain_noise_c);
2017 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2018 data->chain_signal_a);
2019 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2020 data->chain_signal_b);
2021 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2022 data->chain_signal_c);
2023 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2024 data->beacon_count);
2025
2026 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2027 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2028 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2029 data->disconn_array[cnt]);
2030 }
2031 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2032 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2033 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2034 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2035 data->delta_gain_code[cnt]);
2036 }
2037 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2038 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2039 data->radio_write);
2040 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2041 data->state);
2042
2043 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2044 kfree(buf);
2045 return ret;
2046 }
2047
2048 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2049 char __user *user_buf,
2050 size_t count, loff_t *ppos)
2051 {
2052 struct iwl_priv *priv = file->private_data;
2053 char buf[60];
2054 int pos = 0;
2055 const size_t bufsz = sizeof(buf);
2056 u32 pwrsave_status;
2057
2058 pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) &
2059 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2060
2061 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2062 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2063 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2064 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2065 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2066 "error");
2067
2068 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2069 }
2070
2071 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2072 const char __user *user_buf,
2073 size_t count, loff_t *ppos)
2074 {
2075 struct iwl_priv *priv = file->private_data;
2076 char buf[8];
2077 int buf_size;
2078 int clear;
2079
2080 memset(buf, 0, sizeof(buf));
2081 buf_size = min(count, sizeof(buf) - 1);
2082 if (copy_from_user(buf, user_buf, buf_size))
2083 return -EFAULT;
2084 if (sscanf(buf, "%d", &clear) != 1)
2085 return -EFAULT;
2086
2087 /* make request to uCode to retrieve statistics information */
2088 mutex_lock(&priv->shrd->mutex);
2089 iwl_send_statistics_request(priv, CMD_SYNC, true);
2090 mutex_unlock(&priv->shrd->mutex);
2091
2092 return count;
2093 }
2094
2095 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2096 char __user *user_buf,
2097 size_t count, loff_t *ppos) {
2098
2099 struct iwl_priv *priv = file->private_data;
2100 int pos = 0;
2101 char buf[128];
2102 const size_t bufsz = sizeof(buf);
2103
2104 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2105 priv->event_log.ucode_trace ? "On" : "Off");
2106 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2107 priv->event_log.non_wraps_count);
2108 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2109 priv->event_log.wraps_once_count);
2110 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2111 priv->event_log.wraps_more_count);
2112
2113 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2114 }
2115
2116 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2117 const char __user *user_buf,
2118 size_t count, loff_t *ppos)
2119 {
2120 struct iwl_priv *priv = file->private_data;
2121 char buf[8];
2122 int buf_size;
2123 int trace;
2124
2125 memset(buf, 0, sizeof(buf));
2126 buf_size = min(count, sizeof(buf) - 1);
2127 if (copy_from_user(buf, user_buf, buf_size))
2128 return -EFAULT;
2129 if (sscanf(buf, "%d", &trace) != 1)
2130 return -EFAULT;
2131
2132 if (trace) {
2133 priv->event_log.ucode_trace = true;
2134 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
2135 mod_timer(&priv->ucode_trace,
2136 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
2137 } else {
2138 priv->event_log.ucode_trace = false;
2139 del_timer_sync(&priv->ucode_trace);
2140 }
2141
2142 return count;
2143 }
2144
2145 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2146 char __user *user_buf,
2147 size_t count, loff_t *ppos) {
2148
2149 struct iwl_priv *priv = file->private_data;
2150 int len = 0;
2151 char buf[20];
2152
2153 len = sprintf(buf, "0x%04X\n",
2154 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2155 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2156 }
2157
2158 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2159 char __user *user_buf,
2160 size_t count, loff_t *ppos) {
2161
2162 struct iwl_priv *priv = file->private_data;
2163 int len = 0;
2164 char buf[20];
2165
2166 len = sprintf(buf, "0x%04X\n",
2167 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2168 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2169 }
2170
2171 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2172 char __user *user_buf,
2173 size_t count, loff_t *ppos) {
2174
2175 struct iwl_priv *priv = file->private_data;
2176 int pos = 0;
2177 char buf[12];
2178 const size_t bufsz = sizeof(buf);
2179
2180 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2181 priv->missed_beacon_threshold);
2182
2183 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2184 }
2185
2186 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2187 const char __user *user_buf,
2188 size_t count, loff_t *ppos)
2189 {
2190 struct iwl_priv *priv = file->private_data;
2191 char buf[8];
2192 int buf_size;
2193 int missed;
2194
2195 memset(buf, 0, sizeof(buf));
2196 buf_size = min(count, sizeof(buf) - 1);
2197 if (copy_from_user(buf, user_buf, buf_size))
2198 return -EFAULT;
2199 if (sscanf(buf, "%d", &missed) != 1)
2200 return -EINVAL;
2201
2202 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2203 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2204 priv->missed_beacon_threshold =
2205 IWL_MISSED_BEACON_THRESHOLD_DEF;
2206 else
2207 priv->missed_beacon_threshold = missed;
2208
2209 return count;
2210 }
2211
2212 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2213 char __user *user_buf,
2214 size_t count, loff_t *ppos) {
2215
2216 struct iwl_priv *priv = file->private_data;
2217 int pos = 0;
2218 char buf[12];
2219 const size_t bufsz = sizeof(buf);
2220
2221 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2222 cfg(priv)->base_params->plcp_delta_threshold);
2223
2224 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2225 }
2226
2227 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2228 const char __user *user_buf,
2229 size_t count, loff_t *ppos) {
2230
2231 struct iwl_priv *priv = file->private_data;
2232 char buf[8];
2233 int buf_size;
2234 int plcp;
2235
2236 memset(buf, 0, sizeof(buf));
2237 buf_size = min(count, sizeof(buf) - 1);
2238 if (copy_from_user(buf, user_buf, buf_size))
2239 return -EFAULT;
2240 if (sscanf(buf, "%d", &plcp) != 1)
2241 return -EINVAL;
2242 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2243 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2244 cfg(priv)->base_params->plcp_delta_threshold =
2245 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2246 else
2247 cfg(priv)->base_params->plcp_delta_threshold = plcp;
2248 return count;
2249 }
2250
2251 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2252 char __user *user_buf,
2253 size_t count, loff_t *ppos)
2254 {
2255 struct iwl_priv *priv = file->private_data;
2256 int i, pos = 0;
2257 char buf[300];
2258 const size_t bufsz = sizeof(buf);
2259 struct iwl_force_reset *force_reset;
2260
2261 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2262 force_reset = &priv->force_reset[i];
2263 pos += scnprintf(buf + pos, bufsz - pos,
2264 "Force reset method %d\n", i);
2265 pos += scnprintf(buf + pos, bufsz - pos,
2266 "\tnumber of reset request: %d\n",
2267 force_reset->reset_request_count);
2268 pos += scnprintf(buf + pos, bufsz - pos,
2269 "\tnumber of reset request success: %d\n",
2270 force_reset->reset_success_count);
2271 pos += scnprintf(buf + pos, bufsz - pos,
2272 "\tnumber of reset request reject: %d\n",
2273 force_reset->reset_reject_count);
2274 pos += scnprintf(buf + pos, bufsz - pos,
2275 "\treset duration: %lu\n",
2276 force_reset->reset_duration);
2277 }
2278 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2279 }
2280
2281 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2282 const char __user *user_buf,
2283 size_t count, loff_t *ppos) {
2284
2285 struct iwl_priv *priv = file->private_data;
2286 char buf[8];
2287 int buf_size;
2288 int reset, ret;
2289
2290 memset(buf, 0, sizeof(buf));
2291 buf_size = min(count, sizeof(buf) - 1);
2292 if (copy_from_user(buf, user_buf, buf_size))
2293 return -EFAULT;
2294 if (sscanf(buf, "%d", &reset) != 1)
2295 return -EINVAL;
2296 switch (reset) {
2297 case IWL_RF_RESET:
2298 case IWL_FW_RESET:
2299 ret = iwl_force_reset(priv, reset, true);
2300 break;
2301 default:
2302 return -EINVAL;
2303 }
2304 return ret ? ret : count;
2305 }
2306
2307 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2308 const char __user *user_buf,
2309 size_t count, loff_t *ppos) {
2310
2311 struct iwl_priv *priv = file->private_data;
2312 char buf[8];
2313 int buf_size;
2314 int flush;
2315
2316 memset(buf, 0, sizeof(buf));
2317 buf_size = min(count, sizeof(buf) - 1);
2318 if (copy_from_user(buf, user_buf, buf_size))
2319 return -EFAULT;
2320 if (sscanf(buf, "%d", &flush) != 1)
2321 return -EINVAL;
2322
2323 if (iwl_is_rfkill(priv->shrd))
2324 return -EFAULT;
2325
2326 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2327
2328 return count;
2329 }
2330
2331 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2332 const char __user *user_buf,
2333 size_t count, loff_t *ppos)
2334 {
2335 struct iwl_priv *priv = file->private_data;
2336 char buf[8];
2337 int buf_size;
2338 int timeout;
2339
2340 memset(buf, 0, sizeof(buf));
2341 buf_size = min(count, sizeof(buf) - 1);
2342 if (copy_from_user(buf, user_buf, buf_size))
2343 return -EFAULT;
2344 if (sscanf(buf, "%d", &timeout) != 1)
2345 return -EINVAL;
2346 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2347 timeout = IWL_DEF_WD_TIMEOUT;
2348
2349 cfg(priv)->base_params->wd_timeout = timeout;
2350 iwl_setup_watchdog(priv);
2351 return count;
2352 }
2353
2354 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2355 char __user *user_buf,
2356 size_t count, loff_t *ppos) {
2357
2358 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2359 int pos = 0;
2360 char buf[200];
2361 const size_t bufsz = sizeof(buf);
2362
2363 if (!priv->bt_enable_flag) {
2364 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2365 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2366 }
2367 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2368 priv->bt_enable_flag);
2369 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2370 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2371 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2372 "last traffic notif: %d\n",
2373 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2374 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2375 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2376 priv->bt_ch_announce, priv->kill_ack_mask,
2377 priv->kill_cts_mask);
2378
2379 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2380 switch (priv->bt_traffic_load) {
2381 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2382 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2383 break;
2384 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2385 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2386 break;
2387 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2388 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2389 break;
2390 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2391 default:
2392 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2393 break;
2394 }
2395
2396 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2397 }
2398
2399 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2400 char __user *user_buf,
2401 size_t count, loff_t *ppos)
2402 {
2403 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2404
2405 int pos = 0;
2406 char buf[40];
2407 const size_t bufsz = sizeof(buf);
2408
2409 if (cfg(priv)->ht_params)
2410 pos += scnprintf(buf + pos, bufsz - pos,
2411 "use %s for aggregation\n",
2412 (cfg(priv)->ht_params->use_rts_for_aggregation) ?
2413 "rts/cts" : "cts-to-self");
2414 else
2415 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2416
2417 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2418 }
2419
2420 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2421 const char __user *user_buf,
2422 size_t count, loff_t *ppos) {
2423
2424 struct iwl_priv *priv = file->private_data;
2425 char buf[8];
2426 int buf_size;
2427 int rts;
2428
2429 if (!cfg(priv)->ht_params)
2430 return -EINVAL;
2431
2432 memset(buf, 0, sizeof(buf));
2433 buf_size = min(count, sizeof(buf) - 1);
2434 if (copy_from_user(buf, user_buf, buf_size))
2435 return -EFAULT;
2436 if (sscanf(buf, "%d", &rts) != 1)
2437 return -EINVAL;
2438 if (rts)
2439 cfg(priv)->ht_params->use_rts_for_aggregation = true;
2440 else
2441 cfg(priv)->ht_params->use_rts_for_aggregation = false;
2442 return count;
2443 }
2444
2445 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2446 const char __user *user_buf,
2447 size_t count, loff_t *ppos)
2448 {
2449 struct iwl_priv *priv = file->private_data;
2450 char buf[8];
2451 int buf_size;
2452
2453 memset(buf, 0, sizeof(buf));
2454 buf_size = min(count, sizeof(buf) - 1);
2455 if (copy_from_user(buf, user_buf, buf_size))
2456 return -EFAULT;
2457
2458 iwl_cmd_echo_test(priv);
2459 return count;
2460 }
2461
2462 DEBUGFS_READ_FILE_OPS(rx_statistics);
2463 DEBUGFS_READ_FILE_OPS(tx_statistics);
2464 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2465 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2466 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2467 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2468 DEBUGFS_READ_FILE_OPS(sensitivity);
2469 DEBUGFS_READ_FILE_OPS(chain_noise);
2470 DEBUGFS_READ_FILE_OPS(power_save_status);
2471 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2472 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2473 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2474 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2475 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2476 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2477 DEBUGFS_READ_FILE_OPS(rxon_flags);
2478 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2479 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2480 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2481 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2482 DEBUGFS_READ_FILE_OPS(bt_traffic);
2483 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2484 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2485 DEBUGFS_WRITE_FILE_OPS(echo_test);
2486
2487 #ifdef CONFIG_IWLWIFI_DEBUG
2488 static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
2489 char __user *user_buf,
2490 size_t count, loff_t *ppos)
2491 {
2492 struct iwl_priv *priv = file->private_data;
2493 struct iwl_shared *shrd = priv->shrd;
2494 char buf[11];
2495 int len;
2496
2497 len = scnprintf(buf, sizeof(buf), "0x%.8x",
2498 iwl_get_debug_level(shrd));
2499
2500 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2501 }
2502
2503 static ssize_t iwl_dbgfs_debug_level_write(struct file *file,
2504 const char __user *user_buf,
2505 size_t count, loff_t *ppos)
2506 {
2507 struct iwl_priv *priv = file->private_data;
2508 struct iwl_shared *shrd = priv->shrd;
2509 char buf[11];
2510 unsigned long val;
2511 int ret;
2512
2513 if (count > sizeof(buf))
2514 return -EINVAL;
2515
2516 memset(buf, 0, sizeof(buf));
2517 if (copy_from_user(buf, user_buf, count))
2518 return -EFAULT;
2519
2520 ret = strict_strtoul(buf, 0, &val);
2521 if (ret)
2522 return ret;
2523
2524 shrd->dbg_level_dev = val;
2525 if (iwl_alloc_traffic_mem(priv))
2526 IWL_ERR(priv, "Not enough memory to generate traffic log\n");
2527
2528 return count;
2529 }
2530 DEBUGFS_READ_WRITE_FILE_OPS(debug_level);
2531 #endif /* CONFIG_IWLWIFI_DEBUG */
2532
2533 /*
2534 * Create the debugfs files and directories
2535 *
2536 */
2537 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2538 {
2539 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2540 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2541
2542 dir_drv = debugfs_create_dir(name, phyd);
2543 if (!dir_drv)
2544 return -ENOMEM;
2545
2546 priv->debugfs_dir = dir_drv;
2547
2548 dir_data = debugfs_create_dir("data", dir_drv);
2549 if (!dir_data)
2550 goto err;
2551 dir_rf = debugfs_create_dir("rf", dir_drv);
2552 if (!dir_rf)
2553 goto err;
2554 dir_debug = debugfs_create_dir("debug", dir_drv);
2555 if (!dir_debug)
2556 goto err;
2557
2558 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2559 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2560 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2561 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2562 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2563 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2564 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2565 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2566 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2567 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2568 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2569 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2570 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2571
2572 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2573 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2574 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2575 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2576 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2577 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2578 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2579 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2580 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2581 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2582 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2583 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2584 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2585 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2586 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2587 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2588 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2589 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2590 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2591 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2592 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2593 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2594 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2595 if (iwl_advanced_bt_coexist(priv))
2596 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2597 #ifdef CONFIG_IWLWIFI_DEBUG
2598 DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR);
2599 #endif
2600
2601 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2602 &priv->disable_sens_cal);
2603 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2604 &priv->disable_chain_noise_cal);
2605
2606 if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2607 goto err;
2608 return 0;
2609
2610 err:
2611 IWL_ERR(priv, "Can't create the debugfs directory\n");
2612 iwl_dbgfs_unregister(priv);
2613 return -ENOMEM;
2614 }
2615
2616 /**
2617 * Remove the debugfs files and directories
2618 *
2619 */
2620 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2621 {
2622 if (!priv->debugfs_dir)
2623 return;
2624
2625 debugfs_remove_recursive(priv->debugfs_dir);
2626 priv->debugfs_dir = NULL;
2627 }