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iwlwifi: move ucode_type from shared to op_mode
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2012 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 const struct fw_img *img;
234 size_t bufsz;
235
236 /* default is to dump the entire data segment */
237 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
238 priv->dbgfs_sram_offset = 0x800000;
239 if (!priv->ucode_loaded) {
240 IWL_ERR(priv, "No uCode has been loadded.\n");
241 return -EINVAL;
242 }
243 img = &priv->fw->img[priv->cur_ucode];
244 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
245 }
246 len = priv->dbgfs_sram_len;
247
248 if (len == -4) {
249 device_format = true;
250 len = 4;
251 }
252
253 bufsz = 50 + len * 4;
254 buf = kmalloc(bufsz, GFP_KERNEL);
255 if (!buf)
256 return -ENOMEM;
257
258 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
259 len);
260 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
261 priv->dbgfs_sram_offset);
262
263 /* adjust sram address since reads are only on even u32 boundaries */
264 offset = priv->dbgfs_sram_offset & 0x3;
265 sram = priv->dbgfs_sram_offset & ~0x3;
266
267 /* read the first u32 from sram */
268 val = iwl_read_targ_mem(trans(priv), sram);
269
270 for (; len; len--) {
271 /* put the address at the start of every line */
272 if (i == 0)
273 pos += scnprintf(buf + pos, bufsz - pos,
274 "%08X: ", sram + offset);
275
276 if (device_format)
277 pos += scnprintf(buf + pos, bufsz - pos,
278 "%02x", (val >> (8 * (3 - offset))) & 0xff);
279 else
280 pos += scnprintf(buf + pos, bufsz - pos,
281 "%02x ", (val >> (8 * offset)) & 0xff);
282
283 /* if all bytes processed, read the next u32 from sram */
284 if (++offset == 4) {
285 sram += 4;
286 offset = 0;
287 val = iwl_read_targ_mem(trans(priv), sram);
288 }
289
290 /* put in extra spaces and split lines for human readability */
291 if (++i == 16) {
292 i = 0;
293 pos += scnprintf(buf + pos, bufsz - pos, "\n");
294 } else if (!(i & 7)) {
295 pos += scnprintf(buf + pos, bufsz - pos, " ");
296 } else if (!(i & 3)) {
297 pos += scnprintf(buf + pos, bufsz - pos, " ");
298 }
299 }
300 if (i)
301 pos += scnprintf(buf + pos, bufsz - pos, "\n");
302
303 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
304 kfree(buf);
305 return ret;
306 }
307
308 static ssize_t iwl_dbgfs_sram_write(struct file *file,
309 const char __user *user_buf,
310 size_t count, loff_t *ppos)
311 {
312 struct iwl_priv *priv = file->private_data;
313 char buf[64];
314 int buf_size;
315 u32 offset, len;
316
317 memset(buf, 0, sizeof(buf));
318 buf_size = min(count, sizeof(buf) - 1);
319 if (copy_from_user(buf, user_buf, buf_size))
320 return -EFAULT;
321
322 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
323 priv->dbgfs_sram_offset = offset;
324 priv->dbgfs_sram_len = len;
325 } else if (sscanf(buf, "%x", &offset) == 1) {
326 priv->dbgfs_sram_offset = offset;
327 priv->dbgfs_sram_len = -4;
328 } else {
329 priv->dbgfs_sram_offset = 0;
330 priv->dbgfs_sram_len = 0;
331 }
332
333 return count;
334 }
335
336 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
337 char __user *user_buf,
338 size_t count, loff_t *ppos)
339 {
340 struct iwl_priv *priv = file->private_data;
341 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
342
343 if (!priv->wowlan_sram)
344 return -ENODATA;
345
346 return simple_read_from_buffer(user_buf, count, ppos,
347 priv->wowlan_sram,
348 img->sec[IWL_UCODE_SECTION_DATA].len);
349 }
350 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
351 size_t count, loff_t *ppos)
352 {
353 struct iwl_priv *priv = file->private_data;
354 struct iwl_station_entry *station;
355 struct iwl_tid_data *tid_data;
356 char *buf;
357 int i, j, pos = 0;
358 ssize_t ret;
359 /* Add 30 for initial string */
360 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
361
362 buf = kmalloc(bufsz, GFP_KERNEL);
363 if (!buf)
364 return -ENOMEM;
365
366 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
367 priv->num_stations);
368
369 for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
370 station = &priv->stations[i];
371 if (!station->used)
372 continue;
373 pos += scnprintf(buf + pos, bufsz - pos,
374 "station %d - addr: %pM, flags: %#x\n",
375 i, station->sta.sta.addr,
376 station->sta.station_flags_msk);
377 pos += scnprintf(buf + pos, bufsz - pos,
378 "TID seqno next_rclmd "
379 "rate_n_flags state txq\n");
380
381 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
382 tid_data = &priv->tid_data[i][j];
383 pos += scnprintf(buf + pos, bufsz - pos,
384 "%d: 0x%.4x 0x%.4x 0x%.8x "
385 "%d %.2d",
386 j, tid_data->seq_number,
387 tid_data->next_reclaimed,
388 tid_data->agg.rate_n_flags,
389 tid_data->agg.state,
390 tid_data->agg.txq_id);
391
392 if (tid_data->agg.wait_for_ba)
393 pos += scnprintf(buf + pos, bufsz - pos,
394 " - waitforba");
395 pos += scnprintf(buf + pos, bufsz - pos, "\n");
396 }
397
398 pos += scnprintf(buf + pos, bufsz - pos, "\n");
399 }
400
401 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
402 kfree(buf);
403 return ret;
404 }
405
406 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
407 char __user *user_buf,
408 size_t count,
409 loff_t *ppos)
410 {
411 ssize_t ret;
412 struct iwl_priv *priv = file->private_data;
413 int pos = 0, ofs = 0, buf_size = 0;
414 const u8 *ptr;
415 char *buf;
416 u16 eeprom_ver;
417 size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
418 buf_size = 4 * eeprom_len + 256;
419
420 if (eeprom_len % 16) {
421 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
422 return -ENODATA;
423 }
424
425 ptr = priv->shrd->eeprom;
426 if (!ptr) {
427 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
428 return -ENOMEM;
429 }
430
431 /* 4 characters for byte 0xYY */
432 buf = kzalloc(buf_size, GFP_KERNEL);
433 if (!buf) {
434 IWL_ERR(priv, "Can not allocate Buffer\n");
435 return -ENOMEM;
436 }
437 eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION);
438 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
439 "version: 0x%x\n",
440 (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP)
441 ? "OTP" : "EEPROM", eeprom_ver);
442 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
443 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
444 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
445 buf_size - pos, 0);
446 pos += strlen(buf + pos);
447 if (buf_size - pos > 0)
448 buf[pos++] = '\n';
449 }
450
451 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
452 kfree(buf);
453 return ret;
454 }
455
456 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
457 size_t count, loff_t *ppos)
458 {
459 struct iwl_priv *priv = file->private_data;
460 struct ieee80211_channel *channels = NULL;
461 const struct ieee80211_supported_band *supp_band = NULL;
462 int pos = 0, i, bufsz = PAGE_SIZE;
463 char *buf;
464 ssize_t ret;
465
466 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
467 return -EAGAIN;
468
469 buf = kzalloc(bufsz, GFP_KERNEL);
470 if (!buf) {
471 IWL_ERR(priv, "Can not allocate Buffer\n");
472 return -ENOMEM;
473 }
474
475 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
476 if (supp_band) {
477 channels = supp_band->channels;
478
479 pos += scnprintf(buf + pos, bufsz - pos,
480 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
481 supp_band->n_channels);
482
483 for (i = 0; i < supp_band->n_channels; i++)
484 pos += scnprintf(buf + pos, bufsz - pos,
485 "%d: %ddBm: BSS%s%s, %s.\n",
486 channels[i].hw_value,
487 channels[i].max_power,
488 channels[i].flags & IEEE80211_CHAN_RADAR ?
489 " (IEEE 802.11h required)" : "",
490 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
491 || (channels[i].flags &
492 IEEE80211_CHAN_RADAR)) ? "" :
493 ", IBSS",
494 channels[i].flags &
495 IEEE80211_CHAN_PASSIVE_SCAN ?
496 "passive only" : "active/passive");
497 }
498 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
499 if (supp_band) {
500 channels = supp_band->channels;
501
502 pos += scnprintf(buf + pos, bufsz - pos,
503 "Displaying %d channels in 5.2GHz band (802.11a)\n",
504 supp_band->n_channels);
505
506 for (i = 0; i < supp_band->n_channels; i++)
507 pos += scnprintf(buf + pos, bufsz - pos,
508 "%d: %ddBm: BSS%s%s, %s.\n",
509 channels[i].hw_value,
510 channels[i].max_power,
511 channels[i].flags & IEEE80211_CHAN_RADAR ?
512 " (IEEE 802.11h required)" : "",
513 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
514 || (channels[i].flags &
515 IEEE80211_CHAN_RADAR)) ? "" :
516 ", IBSS",
517 channels[i].flags &
518 IEEE80211_CHAN_PASSIVE_SCAN ?
519 "passive only" : "active/passive");
520 }
521 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
522 kfree(buf);
523 return ret;
524 }
525
526 static ssize_t iwl_dbgfs_status_read(struct file *file,
527 char __user *user_buf,
528 size_t count, loff_t *ppos) {
529
530 struct iwl_priv *priv = file->private_data;
531 char buf[512];
532 int pos = 0;
533 const size_t bufsz = sizeof(buf);
534
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
536 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
538 test_bit(STATUS_RF_KILL_HW, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
540 test_bit(STATUS_CT_KILL, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
542 test_bit(STATUS_ALIVE, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
544 test_bit(STATUS_READY, &priv->status));
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
546 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
548 test_bit(STATUS_EXIT_PENDING, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
550 test_bit(STATUS_STATISTICS, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
552 test_bit(STATUS_SCANNING, &priv->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
554 test_bit(STATUS_SCAN_ABORTING, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
556 test_bit(STATUS_SCAN_HW, &priv->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
558 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
560 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
561 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
562 }
563
564 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
565 char __user *user_buf,
566 size_t count, loff_t *ppos) {
567
568 struct iwl_priv *priv = file->private_data;
569
570 int pos = 0;
571 int cnt = 0;
572 char *buf;
573 int bufsz = 24 * 64; /* 24 items * 64 char per item */
574 ssize_t ret;
575
576 buf = kzalloc(bufsz, GFP_KERNEL);
577 if (!buf) {
578 IWL_ERR(priv, "Can not allocate Buffer\n");
579 return -ENOMEM;
580 }
581
582 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
583 if (priv->rx_handlers_stats[cnt] > 0)
584 pos += scnprintf(buf + pos, bufsz - pos,
585 "\tRx handler[%36s]:\t\t %u\n",
586 get_cmd_string(cnt),
587 priv->rx_handlers_stats[cnt]);
588 }
589
590 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
591 kfree(buf);
592 return ret;
593 }
594
595 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
596 const char __user *user_buf,
597 size_t count, loff_t *ppos)
598 {
599 struct iwl_priv *priv = file->private_data;
600
601 char buf[8];
602 int buf_size;
603 u32 reset_flag;
604
605 memset(buf, 0, sizeof(buf));
606 buf_size = min(count, sizeof(buf) - 1);
607 if (copy_from_user(buf, user_buf, buf_size))
608 return -EFAULT;
609 if (sscanf(buf, "%x", &reset_flag) != 1)
610 return -EFAULT;
611 if (reset_flag == 0)
612 memset(&priv->rx_handlers_stats[0], 0,
613 sizeof(priv->rx_handlers_stats));
614
615 return count;
616 }
617
618 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
619 size_t count, loff_t *ppos)
620 {
621 struct iwl_priv *priv = file->private_data;
622 struct iwl_rxon_context *ctx;
623 int pos = 0, i;
624 char buf[256 * NUM_IWL_RXON_CTX];
625 const size_t bufsz = sizeof(buf);
626
627 for_each_context(priv, ctx) {
628 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
629 ctx->ctxid);
630 for (i = 0; i < AC_NUM; i++) {
631 pos += scnprintf(buf + pos, bufsz - pos,
632 "\tcw_min\tcw_max\taifsn\ttxop\n");
633 pos += scnprintf(buf + pos, bufsz - pos,
634 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
635 ctx->qos_data.def_qos_parm.ac[i].cw_min,
636 ctx->qos_data.def_qos_parm.ac[i].cw_max,
637 ctx->qos_data.def_qos_parm.ac[i].aifsn,
638 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
639 }
640 pos += scnprintf(buf + pos, bufsz - pos, "\n");
641 }
642 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
643 }
644
645 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
646 char __user *user_buf,
647 size_t count, loff_t *ppos)
648 {
649 struct iwl_priv *priv = file->private_data;
650 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
651 struct iwl_tt_restriction *restriction;
652 char buf[100];
653 int pos = 0;
654 const size_t bufsz = sizeof(buf);
655
656 pos += scnprintf(buf + pos, bufsz - pos,
657 "Thermal Throttling Mode: %s\n",
658 tt->advanced_tt ? "Advance" : "Legacy");
659 pos += scnprintf(buf + pos, bufsz - pos,
660 "Thermal Throttling State: %d\n",
661 tt->state);
662 if (tt->advanced_tt) {
663 restriction = tt->restriction + tt->state;
664 pos += scnprintf(buf + pos, bufsz - pos,
665 "Tx mode: %d\n",
666 restriction->tx_stream);
667 pos += scnprintf(buf + pos, bufsz - pos,
668 "Rx mode: %d\n",
669 restriction->rx_stream);
670 pos += scnprintf(buf + pos, bufsz - pos,
671 "HT mode: %d\n",
672 restriction->is_ht);
673 }
674 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
675 }
676
677 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
678 const char __user *user_buf,
679 size_t count, loff_t *ppos)
680 {
681 struct iwl_priv *priv = file->private_data;
682 char buf[8];
683 int buf_size;
684 int ht40;
685
686 memset(buf, 0, sizeof(buf));
687 buf_size = min(count, sizeof(buf) - 1);
688 if (copy_from_user(buf, user_buf, buf_size))
689 return -EFAULT;
690 if (sscanf(buf, "%d", &ht40) != 1)
691 return -EFAULT;
692 if (!iwl_is_any_associated(priv))
693 priv->disable_ht40 = ht40 ? true : false;
694 else {
695 IWL_ERR(priv, "Sta associated with AP - "
696 "Change to 40MHz channel support is not allowed\n");
697 return -EINVAL;
698 }
699
700 return count;
701 }
702
703 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
704 char __user *user_buf,
705 size_t count, loff_t *ppos)
706 {
707 struct iwl_priv *priv = file->private_data;
708 char buf[100];
709 int pos = 0;
710 const size_t bufsz = sizeof(buf);
711
712 pos += scnprintf(buf + pos, bufsz - pos,
713 "11n 40MHz Mode: %s\n",
714 priv->disable_ht40 ? "Disabled" : "Enabled");
715 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
716 }
717
718 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
719 char __user *user_buf,
720 size_t count, loff_t *ppos)
721 {
722 struct iwl_priv *priv = file->private_data;
723 char buf[8];
724 int pos = 0;
725 const size_t bufsz = sizeof(buf);
726
727 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
728 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
729 }
730
731
732 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
733 const char __user *user_buf,
734 size_t count, loff_t *ppos)
735 {
736 struct iwl_priv *priv = file->private_data;
737 char buf[8];
738 int buf_size;
739 int value;
740
741 memset(buf, 0, sizeof(buf));
742 buf_size = min(count, sizeof(buf) - 1);
743 if (copy_from_user(buf, user_buf, buf_size))
744 return -EFAULT;
745
746 if (sscanf(buf, "%d", &value) != 1)
747 return -EINVAL;
748
749 /*
750 * Our users expect 0 to be "CAM", but 0 isn't actually
751 * valid here. However, let's not confuse them and present
752 * IWL_POWER_INDEX_1 as "1", not "0".
753 */
754 if (value == 0)
755 return -EINVAL;
756 else if (value > 0)
757 value -= 1;
758
759 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
760 return -EINVAL;
761
762 if (!iwl_is_ready_rf(priv))
763 return -EAGAIN;
764
765 priv->power_data.debug_sleep_level_override = value;
766
767 mutex_lock(&priv->mutex);
768 iwl_power_update_mode(priv, true);
769 mutex_unlock(&priv->mutex);
770
771 return count;
772 }
773
774 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
775 char __user *user_buf,
776 size_t count, loff_t *ppos)
777 {
778 struct iwl_priv *priv = file->private_data;
779 char buf[10];
780 int pos, value;
781 const size_t bufsz = sizeof(buf);
782
783 /* see the write function */
784 value = priv->power_data.debug_sleep_level_override;
785 if (value >= 0)
786 value += 1;
787
788 pos = scnprintf(buf, bufsz, "%d\n", value);
789 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
790 }
791
792 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
793 char __user *user_buf,
794 size_t count, loff_t *ppos)
795 {
796 struct iwl_priv *priv = file->private_data;
797 char buf[200];
798 int pos = 0, i;
799 const size_t bufsz = sizeof(buf);
800 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
801
802 pos += scnprintf(buf + pos, bufsz - pos,
803 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
804 pos += scnprintf(buf + pos, bufsz - pos,
805 "RX/TX timeout: %d/%d usec\n",
806 le32_to_cpu(cmd->rx_data_timeout),
807 le32_to_cpu(cmd->tx_data_timeout));
808 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
809 pos += scnprintf(buf + pos, bufsz - pos,
810 "sleep_interval[%d]: %d\n", i,
811 le32_to_cpu(cmd->sleep_interval[i]));
812
813 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
814 }
815
816 DEBUGFS_READ_WRITE_FILE_OPS(sram);
817 DEBUGFS_READ_FILE_OPS(wowlan_sram);
818 DEBUGFS_READ_FILE_OPS(nvm);
819 DEBUGFS_READ_FILE_OPS(stations);
820 DEBUGFS_READ_FILE_OPS(channels);
821 DEBUGFS_READ_FILE_OPS(status);
822 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
823 DEBUGFS_READ_FILE_OPS(qos);
824 DEBUGFS_READ_FILE_OPS(thermal_throttling);
825 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
826 DEBUGFS_READ_FILE_OPS(temperature);
827 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
828 DEBUGFS_READ_FILE_OPS(current_sleep_command);
829
830 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
831 char __user *user_buf,
832 size_t count, loff_t *ppos)
833 {
834 struct iwl_priv *priv = file->private_data;
835 int pos = 0, ofs = 0;
836 int cnt = 0, entry;
837
838 char *buf;
839 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
840 (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400;
841 const u8 *ptr;
842 ssize_t ret;
843
844 buf = kzalloc(bufsz, GFP_KERNEL);
845 if (!buf) {
846 IWL_ERR(priv, "Can not allocate buffer\n");
847 return -ENOMEM;
848 }
849 if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) {
850 ptr = priv->tx_traffic;
851 pos += scnprintf(buf + pos, bufsz - pos,
852 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
853 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
854 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
855 entry++, ofs += 16) {
856 pos += scnprintf(buf + pos, bufsz - pos,
857 "0x%.4x ", ofs);
858 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
859 buf + pos, bufsz - pos, 0);
860 pos += strlen(buf + pos);
861 if (bufsz - pos > 0)
862 buf[pos++] = '\n';
863 }
864 }
865 }
866
867 if (priv->rx_traffic && iwl_have_debug_level(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 lockdep_assert_held(&priv->statistics.lock);
923
924 flag = le32_to_cpu(priv->statistics.flag);
925
926 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
927 if (flag & UCODE_STATISTICS_CLEAR_MSK)
928 p += scnprintf(buf + p, bufsz - p,
929 "\tStatistics have been cleared\n");
930 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
931 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
932 ? "2.4 GHz" : "5.2 GHz");
933 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
934 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
935 ? "enabled" : "disabled");
936
937 return p;
938 }
939
940 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
941 char __user *user_buf,
942 size_t count, loff_t *ppos)
943 {
944 struct iwl_priv *priv = file->private_data;
945 int pos = 0;
946 char *buf;
947 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
948 sizeof(struct statistics_rx_non_phy) * 40 +
949 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
950 ssize_t ret;
951 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
952 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
953 struct statistics_rx_non_phy *general, *accum_general;
954 struct statistics_rx_non_phy *delta_general, *max_general;
955 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
956
957 if (!iwl_is_alive(priv))
958 return -EAGAIN;
959
960 buf = kzalloc(bufsz, GFP_KERNEL);
961 if (!buf) {
962 IWL_ERR(priv, "Can not allocate Buffer\n");
963 return -ENOMEM;
964 }
965
966 /*
967 * the statistic information display here is based on
968 * the last statistics notification from uCode
969 * might not reflect the current uCode activity
970 */
971 spin_lock_bh(&priv->statistics.lock);
972 ofdm = &priv->statistics.rx_ofdm;
973 cck = &priv->statistics.rx_cck;
974 general = &priv->statistics.rx_non_phy;
975 ht = &priv->statistics.rx_ofdm_ht;
976 accum_ofdm = &priv->accum_stats.rx_ofdm;
977 accum_cck = &priv->accum_stats.rx_cck;
978 accum_general = &priv->accum_stats.rx_non_phy;
979 accum_ht = &priv->accum_stats.rx_ofdm_ht;
980 delta_ofdm = &priv->delta_stats.rx_ofdm;
981 delta_cck = &priv->delta_stats.rx_cck;
982 delta_general = &priv->delta_stats.rx_non_phy;
983 delta_ht = &priv->delta_stats.rx_ofdm_ht;
984 max_ofdm = &priv->max_delta_stats.rx_ofdm;
985 max_cck = &priv->max_delta_stats.rx_cck;
986 max_general = &priv->max_delta_stats.rx_non_phy;
987 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
988
989 pos += iwl_statistics_flag(priv, buf, bufsz);
990 pos += scnprintf(buf + pos, bufsz - pos,
991 fmt_header, "Statistics_Rx - OFDM:");
992 pos += scnprintf(buf + pos, bufsz - pos,
993 fmt_table, "ina_cnt:",
994 le32_to_cpu(ofdm->ina_cnt),
995 accum_ofdm->ina_cnt,
996 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
997 pos += scnprintf(buf + pos, bufsz - pos,
998 fmt_table, "fina_cnt:",
999 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
1000 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
1001 pos += scnprintf(buf + pos, bufsz - pos,
1002 fmt_table, "plcp_err:",
1003 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
1004 delta_ofdm->plcp_err, max_ofdm->plcp_err);
1005 pos += scnprintf(buf + pos, bufsz - pos,
1006 fmt_table, "crc32_err:",
1007 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1008 delta_ofdm->crc32_err, max_ofdm->crc32_err);
1009 pos += scnprintf(buf + pos, bufsz - pos,
1010 fmt_table, "overrun_err:",
1011 le32_to_cpu(ofdm->overrun_err),
1012 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1013 max_ofdm->overrun_err);
1014 pos += scnprintf(buf + pos, bufsz - pos,
1015 fmt_table, "early_overrun_err:",
1016 le32_to_cpu(ofdm->early_overrun_err),
1017 accum_ofdm->early_overrun_err,
1018 delta_ofdm->early_overrun_err,
1019 max_ofdm->early_overrun_err);
1020 pos += scnprintf(buf + pos, bufsz - pos,
1021 fmt_table, "crc32_good:",
1022 le32_to_cpu(ofdm->crc32_good),
1023 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1024 max_ofdm->crc32_good);
1025 pos += scnprintf(buf + pos, bufsz - pos,
1026 fmt_table, "false_alarm_cnt:",
1027 le32_to_cpu(ofdm->false_alarm_cnt),
1028 accum_ofdm->false_alarm_cnt,
1029 delta_ofdm->false_alarm_cnt,
1030 max_ofdm->false_alarm_cnt);
1031 pos += scnprintf(buf + pos, bufsz - pos,
1032 fmt_table, "fina_sync_err_cnt:",
1033 le32_to_cpu(ofdm->fina_sync_err_cnt),
1034 accum_ofdm->fina_sync_err_cnt,
1035 delta_ofdm->fina_sync_err_cnt,
1036 max_ofdm->fina_sync_err_cnt);
1037 pos += scnprintf(buf + pos, bufsz - pos,
1038 fmt_table, "sfd_timeout:",
1039 le32_to_cpu(ofdm->sfd_timeout),
1040 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1041 max_ofdm->sfd_timeout);
1042 pos += scnprintf(buf + pos, bufsz - pos,
1043 fmt_table, "fina_timeout:",
1044 le32_to_cpu(ofdm->fina_timeout),
1045 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1046 max_ofdm->fina_timeout);
1047 pos += scnprintf(buf + pos, bufsz - pos,
1048 fmt_table, "unresponded_rts:",
1049 le32_to_cpu(ofdm->unresponded_rts),
1050 accum_ofdm->unresponded_rts,
1051 delta_ofdm->unresponded_rts,
1052 max_ofdm->unresponded_rts);
1053 pos += scnprintf(buf + pos, bufsz - pos,
1054 fmt_table, "rxe_frame_lmt_ovrun:",
1055 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1056 accum_ofdm->rxe_frame_limit_overrun,
1057 delta_ofdm->rxe_frame_limit_overrun,
1058 max_ofdm->rxe_frame_limit_overrun);
1059 pos += scnprintf(buf + pos, bufsz - pos,
1060 fmt_table, "sent_ack_cnt:",
1061 le32_to_cpu(ofdm->sent_ack_cnt),
1062 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1063 max_ofdm->sent_ack_cnt);
1064 pos += scnprintf(buf + pos, bufsz - pos,
1065 fmt_table, "sent_cts_cnt:",
1066 le32_to_cpu(ofdm->sent_cts_cnt),
1067 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1068 max_ofdm->sent_cts_cnt);
1069 pos += scnprintf(buf + pos, bufsz - pos,
1070 fmt_table, "sent_ba_rsp_cnt:",
1071 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1072 accum_ofdm->sent_ba_rsp_cnt,
1073 delta_ofdm->sent_ba_rsp_cnt,
1074 max_ofdm->sent_ba_rsp_cnt);
1075 pos += scnprintf(buf + pos, bufsz - pos,
1076 fmt_table, "dsp_self_kill:",
1077 le32_to_cpu(ofdm->dsp_self_kill),
1078 accum_ofdm->dsp_self_kill,
1079 delta_ofdm->dsp_self_kill,
1080 max_ofdm->dsp_self_kill);
1081 pos += scnprintf(buf + pos, bufsz - pos,
1082 fmt_table, "mh_format_err:",
1083 le32_to_cpu(ofdm->mh_format_err),
1084 accum_ofdm->mh_format_err,
1085 delta_ofdm->mh_format_err,
1086 max_ofdm->mh_format_err);
1087 pos += scnprintf(buf + pos, bufsz - pos,
1088 fmt_table, "re_acq_main_rssi_sum:",
1089 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1090 accum_ofdm->re_acq_main_rssi_sum,
1091 delta_ofdm->re_acq_main_rssi_sum,
1092 max_ofdm->re_acq_main_rssi_sum);
1093
1094 pos += scnprintf(buf + pos, bufsz - pos,
1095 fmt_header, "Statistics_Rx - CCK:");
1096 pos += scnprintf(buf + pos, bufsz - pos,
1097 fmt_table, "ina_cnt:",
1098 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1099 delta_cck->ina_cnt, max_cck->ina_cnt);
1100 pos += scnprintf(buf + pos, bufsz - pos,
1101 fmt_table, "fina_cnt:",
1102 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1103 delta_cck->fina_cnt, max_cck->fina_cnt);
1104 pos += scnprintf(buf + pos, bufsz - pos,
1105 fmt_table, "plcp_err:",
1106 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1107 delta_cck->plcp_err, max_cck->plcp_err);
1108 pos += scnprintf(buf + pos, bufsz - pos,
1109 fmt_table, "crc32_err:",
1110 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1111 delta_cck->crc32_err, max_cck->crc32_err);
1112 pos += scnprintf(buf + pos, bufsz - pos,
1113 fmt_table, "overrun_err:",
1114 le32_to_cpu(cck->overrun_err),
1115 accum_cck->overrun_err, delta_cck->overrun_err,
1116 max_cck->overrun_err);
1117 pos += scnprintf(buf + pos, bufsz - pos,
1118 fmt_table, "early_overrun_err:",
1119 le32_to_cpu(cck->early_overrun_err),
1120 accum_cck->early_overrun_err,
1121 delta_cck->early_overrun_err,
1122 max_cck->early_overrun_err);
1123 pos += scnprintf(buf + pos, bufsz - pos,
1124 fmt_table, "crc32_good:",
1125 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1126 delta_cck->crc32_good, max_cck->crc32_good);
1127 pos += scnprintf(buf + pos, bufsz - pos,
1128 fmt_table, "false_alarm_cnt:",
1129 le32_to_cpu(cck->false_alarm_cnt),
1130 accum_cck->false_alarm_cnt,
1131 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1132 pos += scnprintf(buf + pos, bufsz - pos,
1133 fmt_table, "fina_sync_err_cnt:",
1134 le32_to_cpu(cck->fina_sync_err_cnt),
1135 accum_cck->fina_sync_err_cnt,
1136 delta_cck->fina_sync_err_cnt,
1137 max_cck->fina_sync_err_cnt);
1138 pos += scnprintf(buf + pos, bufsz - pos,
1139 fmt_table, "sfd_timeout:",
1140 le32_to_cpu(cck->sfd_timeout),
1141 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1142 max_cck->sfd_timeout);
1143 pos += scnprintf(buf + pos, bufsz - pos,
1144 fmt_table, "fina_timeout:",
1145 le32_to_cpu(cck->fina_timeout),
1146 accum_cck->fina_timeout, delta_cck->fina_timeout,
1147 max_cck->fina_timeout);
1148 pos += scnprintf(buf + pos, bufsz - pos,
1149 fmt_table, "unresponded_rts:",
1150 le32_to_cpu(cck->unresponded_rts),
1151 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1152 max_cck->unresponded_rts);
1153 pos += scnprintf(buf + pos, bufsz - pos,
1154 fmt_table, "rxe_frame_lmt_ovrun:",
1155 le32_to_cpu(cck->rxe_frame_limit_overrun),
1156 accum_cck->rxe_frame_limit_overrun,
1157 delta_cck->rxe_frame_limit_overrun,
1158 max_cck->rxe_frame_limit_overrun);
1159 pos += scnprintf(buf + pos, bufsz - pos,
1160 fmt_table, "sent_ack_cnt:",
1161 le32_to_cpu(cck->sent_ack_cnt),
1162 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1163 max_cck->sent_ack_cnt);
1164 pos += scnprintf(buf + pos, bufsz - pos,
1165 fmt_table, "sent_cts_cnt:",
1166 le32_to_cpu(cck->sent_cts_cnt),
1167 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1168 max_cck->sent_cts_cnt);
1169 pos += scnprintf(buf + pos, bufsz - pos,
1170 fmt_table, "sent_ba_rsp_cnt:",
1171 le32_to_cpu(cck->sent_ba_rsp_cnt),
1172 accum_cck->sent_ba_rsp_cnt,
1173 delta_cck->sent_ba_rsp_cnt,
1174 max_cck->sent_ba_rsp_cnt);
1175 pos += scnprintf(buf + pos, bufsz - pos,
1176 fmt_table, "dsp_self_kill:",
1177 le32_to_cpu(cck->dsp_self_kill),
1178 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1179 max_cck->dsp_self_kill);
1180 pos += scnprintf(buf + pos, bufsz - pos,
1181 fmt_table, "mh_format_err:",
1182 le32_to_cpu(cck->mh_format_err),
1183 accum_cck->mh_format_err, delta_cck->mh_format_err,
1184 max_cck->mh_format_err);
1185 pos += scnprintf(buf + pos, bufsz - pos,
1186 fmt_table, "re_acq_main_rssi_sum:",
1187 le32_to_cpu(cck->re_acq_main_rssi_sum),
1188 accum_cck->re_acq_main_rssi_sum,
1189 delta_cck->re_acq_main_rssi_sum,
1190 max_cck->re_acq_main_rssi_sum);
1191
1192 pos += scnprintf(buf + pos, bufsz - pos,
1193 fmt_header, "Statistics_Rx - GENERAL:");
1194 pos += scnprintf(buf + pos, bufsz - pos,
1195 fmt_table, "bogus_cts:",
1196 le32_to_cpu(general->bogus_cts),
1197 accum_general->bogus_cts, delta_general->bogus_cts,
1198 max_general->bogus_cts);
1199 pos += scnprintf(buf + pos, bufsz - pos,
1200 fmt_table, "bogus_ack:",
1201 le32_to_cpu(general->bogus_ack),
1202 accum_general->bogus_ack, delta_general->bogus_ack,
1203 max_general->bogus_ack);
1204 pos += scnprintf(buf + pos, bufsz - pos,
1205 fmt_table, "non_bssid_frames:",
1206 le32_to_cpu(general->non_bssid_frames),
1207 accum_general->non_bssid_frames,
1208 delta_general->non_bssid_frames,
1209 max_general->non_bssid_frames);
1210 pos += scnprintf(buf + pos, bufsz - pos,
1211 fmt_table, "filtered_frames:",
1212 le32_to_cpu(general->filtered_frames),
1213 accum_general->filtered_frames,
1214 delta_general->filtered_frames,
1215 max_general->filtered_frames);
1216 pos += scnprintf(buf + pos, bufsz - pos,
1217 fmt_table, "non_channel_beacons:",
1218 le32_to_cpu(general->non_channel_beacons),
1219 accum_general->non_channel_beacons,
1220 delta_general->non_channel_beacons,
1221 max_general->non_channel_beacons);
1222 pos += scnprintf(buf + pos, bufsz - pos,
1223 fmt_table, "channel_beacons:",
1224 le32_to_cpu(general->channel_beacons),
1225 accum_general->channel_beacons,
1226 delta_general->channel_beacons,
1227 max_general->channel_beacons);
1228 pos += scnprintf(buf + pos, bufsz - pos,
1229 fmt_table, "num_missed_bcon:",
1230 le32_to_cpu(general->num_missed_bcon),
1231 accum_general->num_missed_bcon,
1232 delta_general->num_missed_bcon,
1233 max_general->num_missed_bcon);
1234 pos += scnprintf(buf + pos, bufsz - pos,
1235 fmt_table, "adc_rx_saturation_time:",
1236 le32_to_cpu(general->adc_rx_saturation_time),
1237 accum_general->adc_rx_saturation_time,
1238 delta_general->adc_rx_saturation_time,
1239 max_general->adc_rx_saturation_time);
1240 pos += scnprintf(buf + pos, bufsz - pos,
1241 fmt_table, "ina_detect_search_tm:",
1242 le32_to_cpu(general->ina_detection_search_time),
1243 accum_general->ina_detection_search_time,
1244 delta_general->ina_detection_search_time,
1245 max_general->ina_detection_search_time);
1246 pos += scnprintf(buf + pos, bufsz - pos,
1247 fmt_table, "beacon_silence_rssi_a:",
1248 le32_to_cpu(general->beacon_silence_rssi_a),
1249 accum_general->beacon_silence_rssi_a,
1250 delta_general->beacon_silence_rssi_a,
1251 max_general->beacon_silence_rssi_a);
1252 pos += scnprintf(buf + pos, bufsz - pos,
1253 fmt_table, "beacon_silence_rssi_b:",
1254 le32_to_cpu(general->beacon_silence_rssi_b),
1255 accum_general->beacon_silence_rssi_b,
1256 delta_general->beacon_silence_rssi_b,
1257 max_general->beacon_silence_rssi_b);
1258 pos += scnprintf(buf + pos, bufsz - pos,
1259 fmt_table, "beacon_silence_rssi_c:",
1260 le32_to_cpu(general->beacon_silence_rssi_c),
1261 accum_general->beacon_silence_rssi_c,
1262 delta_general->beacon_silence_rssi_c,
1263 max_general->beacon_silence_rssi_c);
1264 pos += scnprintf(buf + pos, bufsz - pos,
1265 fmt_table, "interference_data_flag:",
1266 le32_to_cpu(general->interference_data_flag),
1267 accum_general->interference_data_flag,
1268 delta_general->interference_data_flag,
1269 max_general->interference_data_flag);
1270 pos += scnprintf(buf + pos, bufsz - pos,
1271 fmt_table, "channel_load:",
1272 le32_to_cpu(general->channel_load),
1273 accum_general->channel_load,
1274 delta_general->channel_load,
1275 max_general->channel_load);
1276 pos += scnprintf(buf + pos, bufsz - pos,
1277 fmt_table, "dsp_false_alarms:",
1278 le32_to_cpu(general->dsp_false_alarms),
1279 accum_general->dsp_false_alarms,
1280 delta_general->dsp_false_alarms,
1281 max_general->dsp_false_alarms);
1282 pos += scnprintf(buf + pos, bufsz - pos,
1283 fmt_table, "beacon_rssi_a:",
1284 le32_to_cpu(general->beacon_rssi_a),
1285 accum_general->beacon_rssi_a,
1286 delta_general->beacon_rssi_a,
1287 max_general->beacon_rssi_a);
1288 pos += scnprintf(buf + pos, bufsz - pos,
1289 fmt_table, "beacon_rssi_b:",
1290 le32_to_cpu(general->beacon_rssi_b),
1291 accum_general->beacon_rssi_b,
1292 delta_general->beacon_rssi_b,
1293 max_general->beacon_rssi_b);
1294 pos += scnprintf(buf + pos, bufsz - pos,
1295 fmt_table, "beacon_rssi_c:",
1296 le32_to_cpu(general->beacon_rssi_c),
1297 accum_general->beacon_rssi_c,
1298 delta_general->beacon_rssi_c,
1299 max_general->beacon_rssi_c);
1300 pos += scnprintf(buf + pos, bufsz - pos,
1301 fmt_table, "beacon_energy_a:",
1302 le32_to_cpu(general->beacon_energy_a),
1303 accum_general->beacon_energy_a,
1304 delta_general->beacon_energy_a,
1305 max_general->beacon_energy_a);
1306 pos += scnprintf(buf + pos, bufsz - pos,
1307 fmt_table, "beacon_energy_b:",
1308 le32_to_cpu(general->beacon_energy_b),
1309 accum_general->beacon_energy_b,
1310 delta_general->beacon_energy_b,
1311 max_general->beacon_energy_b);
1312 pos += scnprintf(buf + pos, bufsz - pos,
1313 fmt_table, "beacon_energy_c:",
1314 le32_to_cpu(general->beacon_energy_c),
1315 accum_general->beacon_energy_c,
1316 delta_general->beacon_energy_c,
1317 max_general->beacon_energy_c);
1318
1319 pos += scnprintf(buf + pos, bufsz - pos,
1320 fmt_header, "Statistics_Rx - OFDM_HT:");
1321 pos += scnprintf(buf + pos, bufsz - pos,
1322 fmt_table, "plcp_err:",
1323 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1324 delta_ht->plcp_err, max_ht->plcp_err);
1325 pos += scnprintf(buf + pos, bufsz - pos,
1326 fmt_table, "overrun_err:",
1327 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1328 delta_ht->overrun_err, max_ht->overrun_err);
1329 pos += scnprintf(buf + pos, bufsz - pos,
1330 fmt_table, "early_overrun_err:",
1331 le32_to_cpu(ht->early_overrun_err),
1332 accum_ht->early_overrun_err,
1333 delta_ht->early_overrun_err,
1334 max_ht->early_overrun_err);
1335 pos += scnprintf(buf + pos, bufsz - pos,
1336 fmt_table, "crc32_good:",
1337 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1338 delta_ht->crc32_good, max_ht->crc32_good);
1339 pos += scnprintf(buf + pos, bufsz - pos,
1340 fmt_table, "crc32_err:",
1341 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1342 delta_ht->crc32_err, max_ht->crc32_err);
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 fmt_table, "mh_format_err:",
1345 le32_to_cpu(ht->mh_format_err),
1346 accum_ht->mh_format_err,
1347 delta_ht->mh_format_err, max_ht->mh_format_err);
1348 pos += scnprintf(buf + pos, bufsz - pos,
1349 fmt_table, "agg_crc32_good:",
1350 le32_to_cpu(ht->agg_crc32_good),
1351 accum_ht->agg_crc32_good,
1352 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1353 pos += scnprintf(buf + pos, bufsz - pos,
1354 fmt_table, "agg_mpdu_cnt:",
1355 le32_to_cpu(ht->agg_mpdu_cnt),
1356 accum_ht->agg_mpdu_cnt,
1357 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1358 pos += scnprintf(buf + pos, bufsz - pos,
1359 fmt_table, "agg_cnt:",
1360 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1361 delta_ht->agg_cnt, max_ht->agg_cnt);
1362 pos += scnprintf(buf + pos, bufsz - pos,
1363 fmt_table, "unsupport_mcs:",
1364 le32_to_cpu(ht->unsupport_mcs),
1365 accum_ht->unsupport_mcs,
1366 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1367
1368 spin_unlock_bh(&priv->statistics.lock);
1369
1370 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1371 kfree(buf);
1372 return ret;
1373 }
1374
1375 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1376 char __user *user_buf,
1377 size_t count, loff_t *ppos)
1378 {
1379 struct iwl_priv *priv = file->private_data;
1380 int pos = 0;
1381 char *buf;
1382 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1383 ssize_t ret;
1384 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1385
1386 if (!iwl_is_alive(priv))
1387 return -EAGAIN;
1388
1389 buf = kzalloc(bufsz, GFP_KERNEL);
1390 if (!buf) {
1391 IWL_ERR(priv, "Can not allocate Buffer\n");
1392 return -ENOMEM;
1393 }
1394
1395 /* the statistic information display here is based on
1396 * the last statistics notification from uCode
1397 * might not reflect the current uCode activity
1398 */
1399 spin_lock_bh(&priv->statistics.lock);
1400
1401 tx = &priv->statistics.tx;
1402 accum_tx = &priv->accum_stats.tx;
1403 delta_tx = &priv->delta_stats.tx;
1404 max_tx = &priv->max_delta_stats.tx;
1405
1406 pos += iwl_statistics_flag(priv, buf, bufsz);
1407 pos += scnprintf(buf + pos, bufsz - pos,
1408 fmt_header, "Statistics_Tx:");
1409 pos += scnprintf(buf + pos, bufsz - pos,
1410 fmt_table, "preamble:",
1411 le32_to_cpu(tx->preamble_cnt),
1412 accum_tx->preamble_cnt,
1413 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1414 pos += scnprintf(buf + pos, bufsz - pos,
1415 fmt_table, "rx_detected_cnt:",
1416 le32_to_cpu(tx->rx_detected_cnt),
1417 accum_tx->rx_detected_cnt,
1418 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1419 pos += scnprintf(buf + pos, bufsz - pos,
1420 fmt_table, "bt_prio_defer_cnt:",
1421 le32_to_cpu(tx->bt_prio_defer_cnt),
1422 accum_tx->bt_prio_defer_cnt,
1423 delta_tx->bt_prio_defer_cnt,
1424 max_tx->bt_prio_defer_cnt);
1425 pos += scnprintf(buf + pos, bufsz - pos,
1426 fmt_table, "bt_prio_kill_cnt:",
1427 le32_to_cpu(tx->bt_prio_kill_cnt),
1428 accum_tx->bt_prio_kill_cnt,
1429 delta_tx->bt_prio_kill_cnt,
1430 max_tx->bt_prio_kill_cnt);
1431 pos += scnprintf(buf + pos, bufsz - pos,
1432 fmt_table, "few_bytes_cnt:",
1433 le32_to_cpu(tx->few_bytes_cnt),
1434 accum_tx->few_bytes_cnt,
1435 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1436 pos += scnprintf(buf + pos, bufsz - pos,
1437 fmt_table, "cts_timeout:",
1438 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1439 delta_tx->cts_timeout, max_tx->cts_timeout);
1440 pos += scnprintf(buf + pos, bufsz - pos,
1441 fmt_table, "ack_timeout:",
1442 le32_to_cpu(tx->ack_timeout),
1443 accum_tx->ack_timeout,
1444 delta_tx->ack_timeout, max_tx->ack_timeout);
1445 pos += scnprintf(buf + pos, bufsz - pos,
1446 fmt_table, "expected_ack_cnt:",
1447 le32_to_cpu(tx->expected_ack_cnt),
1448 accum_tx->expected_ack_cnt,
1449 delta_tx->expected_ack_cnt,
1450 max_tx->expected_ack_cnt);
1451 pos += scnprintf(buf + pos, bufsz - pos,
1452 fmt_table, "actual_ack_cnt:",
1453 le32_to_cpu(tx->actual_ack_cnt),
1454 accum_tx->actual_ack_cnt,
1455 delta_tx->actual_ack_cnt,
1456 max_tx->actual_ack_cnt);
1457 pos += scnprintf(buf + pos, bufsz - pos,
1458 fmt_table, "dump_msdu_cnt:",
1459 le32_to_cpu(tx->dump_msdu_cnt),
1460 accum_tx->dump_msdu_cnt,
1461 delta_tx->dump_msdu_cnt,
1462 max_tx->dump_msdu_cnt);
1463 pos += scnprintf(buf + pos, bufsz - pos,
1464 fmt_table, "abort_nxt_frame_mismatch:",
1465 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1466 accum_tx->burst_abort_next_frame_mismatch_cnt,
1467 delta_tx->burst_abort_next_frame_mismatch_cnt,
1468 max_tx->burst_abort_next_frame_mismatch_cnt);
1469 pos += scnprintf(buf + pos, bufsz - pos,
1470 fmt_table, "abort_missing_nxt_frame:",
1471 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1472 accum_tx->burst_abort_missing_next_frame_cnt,
1473 delta_tx->burst_abort_missing_next_frame_cnt,
1474 max_tx->burst_abort_missing_next_frame_cnt);
1475 pos += scnprintf(buf + pos, bufsz - pos,
1476 fmt_table, "cts_timeout_collision:",
1477 le32_to_cpu(tx->cts_timeout_collision),
1478 accum_tx->cts_timeout_collision,
1479 delta_tx->cts_timeout_collision,
1480 max_tx->cts_timeout_collision);
1481 pos += scnprintf(buf + pos, bufsz - pos,
1482 fmt_table, "ack_ba_timeout_collision:",
1483 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1484 accum_tx->ack_or_ba_timeout_collision,
1485 delta_tx->ack_or_ba_timeout_collision,
1486 max_tx->ack_or_ba_timeout_collision);
1487 pos += scnprintf(buf + pos, bufsz - pos,
1488 fmt_table, "agg ba_timeout:",
1489 le32_to_cpu(tx->agg.ba_timeout),
1490 accum_tx->agg.ba_timeout,
1491 delta_tx->agg.ba_timeout,
1492 max_tx->agg.ba_timeout);
1493 pos += scnprintf(buf + pos, bufsz - pos,
1494 fmt_table, "agg ba_resched_frames:",
1495 le32_to_cpu(tx->agg.ba_reschedule_frames),
1496 accum_tx->agg.ba_reschedule_frames,
1497 delta_tx->agg.ba_reschedule_frames,
1498 max_tx->agg.ba_reschedule_frames);
1499 pos += scnprintf(buf + pos, bufsz - pos,
1500 fmt_table, "agg scd_query_agg_frame:",
1501 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1502 accum_tx->agg.scd_query_agg_frame_cnt,
1503 delta_tx->agg.scd_query_agg_frame_cnt,
1504 max_tx->agg.scd_query_agg_frame_cnt);
1505 pos += scnprintf(buf + pos, bufsz - pos,
1506 fmt_table, "agg scd_query_no_agg:",
1507 le32_to_cpu(tx->agg.scd_query_no_agg),
1508 accum_tx->agg.scd_query_no_agg,
1509 delta_tx->agg.scd_query_no_agg,
1510 max_tx->agg.scd_query_no_agg);
1511 pos += scnprintf(buf + pos, bufsz - pos,
1512 fmt_table, "agg scd_query_agg:",
1513 le32_to_cpu(tx->agg.scd_query_agg),
1514 accum_tx->agg.scd_query_agg,
1515 delta_tx->agg.scd_query_agg,
1516 max_tx->agg.scd_query_agg);
1517 pos += scnprintf(buf + pos, bufsz - pos,
1518 fmt_table, "agg scd_query_mismatch:",
1519 le32_to_cpu(tx->agg.scd_query_mismatch),
1520 accum_tx->agg.scd_query_mismatch,
1521 delta_tx->agg.scd_query_mismatch,
1522 max_tx->agg.scd_query_mismatch);
1523 pos += scnprintf(buf + pos, bufsz - pos,
1524 fmt_table, "agg frame_not_ready:",
1525 le32_to_cpu(tx->agg.frame_not_ready),
1526 accum_tx->agg.frame_not_ready,
1527 delta_tx->agg.frame_not_ready,
1528 max_tx->agg.frame_not_ready);
1529 pos += scnprintf(buf + pos, bufsz - pos,
1530 fmt_table, "agg underrun:",
1531 le32_to_cpu(tx->agg.underrun),
1532 accum_tx->agg.underrun,
1533 delta_tx->agg.underrun, max_tx->agg.underrun);
1534 pos += scnprintf(buf + pos, bufsz - pos,
1535 fmt_table, "agg bt_prio_kill:",
1536 le32_to_cpu(tx->agg.bt_prio_kill),
1537 accum_tx->agg.bt_prio_kill,
1538 delta_tx->agg.bt_prio_kill,
1539 max_tx->agg.bt_prio_kill);
1540 pos += scnprintf(buf + pos, bufsz - pos,
1541 fmt_table, "agg rx_ba_rsp_cnt:",
1542 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1543 accum_tx->agg.rx_ba_rsp_cnt,
1544 delta_tx->agg.rx_ba_rsp_cnt,
1545 max_tx->agg.rx_ba_rsp_cnt);
1546
1547 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1548 pos += scnprintf(buf + pos, bufsz - pos,
1549 "tx power: (1/2 dB step)\n");
1550 if ((hw_params(priv).valid_tx_ant & ANT_A) &&
1551 tx->tx_power.ant_a)
1552 pos += scnprintf(buf + pos, bufsz - pos,
1553 fmt_hex, "antenna A:",
1554 tx->tx_power.ant_a);
1555 if ((hw_params(priv).valid_tx_ant & ANT_B) &&
1556 tx->tx_power.ant_b)
1557 pos += scnprintf(buf + pos, bufsz - pos,
1558 fmt_hex, "antenna B:",
1559 tx->tx_power.ant_b);
1560 if ((hw_params(priv).valid_tx_ant & ANT_C) &&
1561 tx->tx_power.ant_c)
1562 pos += scnprintf(buf + pos, bufsz - pos,
1563 fmt_hex, "antenna C:",
1564 tx->tx_power.ant_c);
1565 }
1566
1567 spin_unlock_bh(&priv->statistics.lock);
1568
1569 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1570 kfree(buf);
1571 return ret;
1572 }
1573
1574 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1575 char __user *user_buf,
1576 size_t count, loff_t *ppos)
1577 {
1578 struct iwl_priv *priv = file->private_data;
1579 int pos = 0;
1580 char *buf;
1581 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1582 ssize_t ret;
1583 struct statistics_general_common *general, *accum_general;
1584 struct statistics_general_common *delta_general, *max_general;
1585 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1586 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1587
1588 if (!iwl_is_alive(priv))
1589 return -EAGAIN;
1590
1591 buf = kzalloc(bufsz, GFP_KERNEL);
1592 if (!buf) {
1593 IWL_ERR(priv, "Can not allocate Buffer\n");
1594 return -ENOMEM;
1595 }
1596
1597 /* the statistic information display here is based on
1598 * the last statistics notification from uCode
1599 * might not reflect the current uCode activity
1600 */
1601
1602 spin_lock_bh(&priv->statistics.lock);
1603
1604 general = &priv->statistics.common;
1605 dbg = &priv->statistics.common.dbg;
1606 div = &priv->statistics.common.div;
1607 accum_general = &priv->accum_stats.common;
1608 accum_dbg = &priv->accum_stats.common.dbg;
1609 accum_div = &priv->accum_stats.common.div;
1610 delta_general = &priv->delta_stats.common;
1611 max_general = &priv->max_delta_stats.common;
1612 delta_dbg = &priv->delta_stats.common.dbg;
1613 max_dbg = &priv->max_delta_stats.common.dbg;
1614 delta_div = &priv->delta_stats.common.div;
1615 max_div = &priv->max_delta_stats.common.div;
1616
1617 pos += iwl_statistics_flag(priv, buf, bufsz);
1618 pos += scnprintf(buf + pos, bufsz - pos,
1619 fmt_header, "Statistics_General:");
1620 pos += scnprintf(buf + pos, bufsz - pos,
1621 fmt_value, "temperature:",
1622 le32_to_cpu(general->temperature));
1623 pos += scnprintf(buf + pos, bufsz - pos,
1624 fmt_value, "temperature_m:",
1625 le32_to_cpu(general->temperature_m));
1626 pos += scnprintf(buf + pos, bufsz - pos,
1627 fmt_value, "ttl_timestamp:",
1628 le32_to_cpu(general->ttl_timestamp));
1629 pos += scnprintf(buf + pos, bufsz - pos,
1630 fmt_table, "burst_check:",
1631 le32_to_cpu(dbg->burst_check),
1632 accum_dbg->burst_check,
1633 delta_dbg->burst_check, max_dbg->burst_check);
1634 pos += scnprintf(buf + pos, bufsz - pos,
1635 fmt_table, "burst_count:",
1636 le32_to_cpu(dbg->burst_count),
1637 accum_dbg->burst_count,
1638 delta_dbg->burst_count, max_dbg->burst_count);
1639 pos += scnprintf(buf + pos, bufsz - pos,
1640 fmt_table, "wait_for_silence_timeout_count:",
1641 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1642 accum_dbg->wait_for_silence_timeout_cnt,
1643 delta_dbg->wait_for_silence_timeout_cnt,
1644 max_dbg->wait_for_silence_timeout_cnt);
1645 pos += scnprintf(buf + pos, bufsz - pos,
1646 fmt_table, "sleep_time:",
1647 le32_to_cpu(general->sleep_time),
1648 accum_general->sleep_time,
1649 delta_general->sleep_time, max_general->sleep_time);
1650 pos += scnprintf(buf + pos, bufsz - pos,
1651 fmt_table, "slots_out:",
1652 le32_to_cpu(general->slots_out),
1653 accum_general->slots_out,
1654 delta_general->slots_out, max_general->slots_out);
1655 pos += scnprintf(buf + pos, bufsz - pos,
1656 fmt_table, "slots_idle:",
1657 le32_to_cpu(general->slots_idle),
1658 accum_general->slots_idle,
1659 delta_general->slots_idle, max_general->slots_idle);
1660 pos += scnprintf(buf + pos, bufsz - pos,
1661 fmt_table, "tx_on_a:",
1662 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1663 delta_div->tx_on_a, max_div->tx_on_a);
1664 pos += scnprintf(buf + pos, bufsz - pos,
1665 fmt_table, "tx_on_b:",
1666 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1667 delta_div->tx_on_b, max_div->tx_on_b);
1668 pos += scnprintf(buf + pos, bufsz - pos,
1669 fmt_table, "exec_time:",
1670 le32_to_cpu(div->exec_time), accum_div->exec_time,
1671 delta_div->exec_time, max_div->exec_time);
1672 pos += scnprintf(buf + pos, bufsz - pos,
1673 fmt_table, "probe_time:",
1674 le32_to_cpu(div->probe_time), accum_div->probe_time,
1675 delta_div->probe_time, max_div->probe_time);
1676 pos += scnprintf(buf + pos, bufsz - pos,
1677 fmt_table, "rx_enable_counter:",
1678 le32_to_cpu(general->rx_enable_counter),
1679 accum_general->rx_enable_counter,
1680 delta_general->rx_enable_counter,
1681 max_general->rx_enable_counter);
1682 pos += scnprintf(buf + pos, bufsz - pos,
1683 fmt_table, "num_of_sos_states:",
1684 le32_to_cpu(general->num_of_sos_states),
1685 accum_general->num_of_sos_states,
1686 delta_general->num_of_sos_states,
1687 max_general->num_of_sos_states);
1688
1689 spin_unlock_bh(&priv->statistics.lock);
1690
1691 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1692 kfree(buf);
1693 return ret;
1694 }
1695
1696 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1697 char __user *user_buf,
1698 size_t count, loff_t *ppos)
1699 {
1700 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1701 int pos = 0;
1702 char *buf;
1703 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1704 ssize_t ret;
1705 struct statistics_bt_activity *bt, *accum_bt;
1706
1707 if (!iwl_is_alive(priv))
1708 return -EAGAIN;
1709
1710 if (!priv->bt_enable_flag)
1711 return -EINVAL;
1712
1713 /* make request to uCode to retrieve statistics information */
1714 mutex_lock(&priv->mutex);
1715 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1716 mutex_unlock(&priv->mutex);
1717
1718 if (ret) {
1719 IWL_ERR(priv,
1720 "Error sending statistics request: %zd\n", ret);
1721 return -EAGAIN;
1722 }
1723 buf = kzalloc(bufsz, GFP_KERNEL);
1724 if (!buf) {
1725 IWL_ERR(priv, "Can not allocate Buffer\n");
1726 return -ENOMEM;
1727 }
1728
1729 /*
1730 * the statistic information display here is based on
1731 * the last statistics notification from uCode
1732 * might not reflect the current uCode activity
1733 */
1734
1735 spin_lock_bh(&priv->statistics.lock);
1736
1737 bt = &priv->statistics.bt_activity;
1738 accum_bt = &priv->accum_stats.bt_activity;
1739
1740 pos += iwl_statistics_flag(priv, buf, bufsz);
1741 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1742 pos += scnprintf(buf + pos, bufsz - pos,
1743 "\t\t\tcurrent\t\t\taccumulative\n");
1744 pos += scnprintf(buf + pos, bufsz - pos,
1745 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1746 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1747 accum_bt->hi_priority_tx_req_cnt);
1748 pos += scnprintf(buf + pos, bufsz - pos,
1749 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1750 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1751 accum_bt->hi_priority_tx_denied_cnt);
1752 pos += scnprintf(buf + pos, bufsz - pos,
1753 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1754 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1755 accum_bt->lo_priority_tx_req_cnt);
1756 pos += scnprintf(buf + pos, bufsz - pos,
1757 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1758 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1759 accum_bt->lo_priority_tx_denied_cnt);
1760 pos += scnprintf(buf + pos, bufsz - pos,
1761 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1762 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1763 accum_bt->hi_priority_rx_req_cnt);
1764 pos += scnprintf(buf + pos, bufsz - pos,
1765 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1766 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1767 accum_bt->hi_priority_rx_denied_cnt);
1768 pos += scnprintf(buf + pos, bufsz - pos,
1769 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1770 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1771 accum_bt->lo_priority_rx_req_cnt);
1772 pos += scnprintf(buf + pos, bufsz - pos,
1773 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1774 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1775 accum_bt->lo_priority_rx_denied_cnt);
1776
1777 pos += scnprintf(buf + pos, bufsz - pos,
1778 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1779 le32_to_cpu(priv->statistics.num_bt_kills),
1780 priv->statistics.accum_num_bt_kills);
1781
1782 spin_unlock_bh(&priv->statistics.lock);
1783
1784 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1785 kfree(buf);
1786 return ret;
1787 }
1788
1789 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1790 char __user *user_buf,
1791 size_t count, loff_t *ppos)
1792 {
1793 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1794 int pos = 0;
1795 char *buf;
1796 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1797 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1798 ssize_t ret;
1799
1800 if (!iwl_is_alive(priv))
1801 return -EAGAIN;
1802
1803 buf = kzalloc(bufsz, GFP_KERNEL);
1804 if (!buf) {
1805 IWL_ERR(priv, "Can not allocate Buffer\n");
1806 return -ENOMEM;
1807 }
1808
1809 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1810 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1811 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1812 priv->reply_tx_stats.pp_delay);
1813 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1814 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1815 priv->reply_tx_stats.pp_few_bytes);
1816 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1817 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1818 priv->reply_tx_stats.pp_bt_prio);
1819 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1820 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1821 priv->reply_tx_stats.pp_quiet_period);
1822 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1823 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1824 priv->reply_tx_stats.pp_calc_ttak);
1825 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1826 iwl_get_tx_fail_reason(
1827 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1828 priv->reply_tx_stats.int_crossed_retry);
1829 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1830 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1831 priv->reply_tx_stats.short_limit);
1832 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1833 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1834 priv->reply_tx_stats.long_limit);
1835 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1836 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1837 priv->reply_tx_stats.fifo_underrun);
1838 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1839 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1840 priv->reply_tx_stats.drain_flow);
1841 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1842 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1843 priv->reply_tx_stats.rfkill_flush);
1844 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1845 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1846 priv->reply_tx_stats.life_expire);
1847 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1848 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1849 priv->reply_tx_stats.dest_ps);
1850 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1851 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1852 priv->reply_tx_stats.host_abort);
1853 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1854 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1855 priv->reply_tx_stats.pp_delay);
1856 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1857 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1858 priv->reply_tx_stats.sta_invalid);
1859 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1860 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1861 priv->reply_tx_stats.frag_drop);
1862 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1863 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1864 priv->reply_tx_stats.tid_disable);
1865 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1866 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1867 priv->reply_tx_stats.fifo_flush);
1868 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1869 iwl_get_tx_fail_reason(
1870 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1871 priv->reply_tx_stats.insuff_cf_poll);
1872 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1873 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1874 priv->reply_tx_stats.fail_hw_drop);
1875 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1876 iwl_get_tx_fail_reason(
1877 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1878 priv->reply_tx_stats.sta_color_mismatch);
1879 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1880 priv->reply_tx_stats.unknown);
1881
1882 pos += scnprintf(buf + pos, bufsz - pos,
1883 "\nStatistics_Agg_TX_Error:\n");
1884
1885 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1886 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1887 priv->reply_agg_tx_stats.underrun);
1888 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1889 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1890 priv->reply_agg_tx_stats.bt_prio);
1891 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1892 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1893 priv->reply_agg_tx_stats.few_bytes);
1894 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1895 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1896 priv->reply_agg_tx_stats.abort);
1897 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1898 iwl_get_agg_tx_fail_reason(
1899 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1900 priv->reply_agg_tx_stats.last_sent_ttl);
1901 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1902 iwl_get_agg_tx_fail_reason(
1903 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1904 priv->reply_agg_tx_stats.last_sent_try);
1905 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1906 iwl_get_agg_tx_fail_reason(
1907 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1908 priv->reply_agg_tx_stats.last_sent_bt_kill);
1909 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1910 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1911 priv->reply_agg_tx_stats.scd_query);
1912 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1913 iwl_get_agg_tx_fail_reason(
1914 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1915 priv->reply_agg_tx_stats.bad_crc32);
1916 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1917 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1918 priv->reply_agg_tx_stats.response);
1919 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1920 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1921 priv->reply_agg_tx_stats.dump_tx);
1922 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1923 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1924 priv->reply_agg_tx_stats.delay_tx);
1925 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1926 priv->reply_agg_tx_stats.unknown);
1927
1928 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1929 kfree(buf);
1930 return ret;
1931 }
1932
1933 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1934 char __user *user_buf,
1935 size_t count, loff_t *ppos) {
1936
1937 struct iwl_priv *priv = file->private_data;
1938 int pos = 0;
1939 int cnt = 0;
1940 char *buf;
1941 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1942 ssize_t ret;
1943 struct iwl_sensitivity_data *data;
1944
1945 data = &priv->sensitivity_data;
1946 buf = kzalloc(bufsz, GFP_KERNEL);
1947 if (!buf) {
1948 IWL_ERR(priv, "Can not allocate Buffer\n");
1949 return -ENOMEM;
1950 }
1951
1952 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1953 data->auto_corr_ofdm);
1954 pos += scnprintf(buf + pos, bufsz - pos,
1955 "auto_corr_ofdm_mrc:\t\t %u\n",
1956 data->auto_corr_ofdm_mrc);
1957 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1958 data->auto_corr_ofdm_x1);
1959 pos += scnprintf(buf + pos, bufsz - pos,
1960 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1961 data->auto_corr_ofdm_mrc_x1);
1962 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1963 data->auto_corr_cck);
1964 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1965 data->auto_corr_cck_mrc);
1966 pos += scnprintf(buf + pos, bufsz - pos,
1967 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1968 data->last_bad_plcp_cnt_ofdm);
1969 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1970 data->last_fa_cnt_ofdm);
1971 pos += scnprintf(buf + pos, bufsz - pos,
1972 "last_bad_plcp_cnt_cck:\t\t %u\n",
1973 data->last_bad_plcp_cnt_cck);
1974 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1975 data->last_fa_cnt_cck);
1976 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1977 data->nrg_curr_state);
1978 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1979 data->nrg_prev_state);
1980 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1981 for (cnt = 0; cnt < 10; cnt++) {
1982 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1983 data->nrg_value[cnt]);
1984 }
1985 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1986 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1987 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1988 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1989 data->nrg_silence_rssi[cnt]);
1990 }
1991 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1992 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1993 data->nrg_silence_ref);
1994 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1995 data->nrg_energy_idx);
1996 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1997 data->nrg_silence_idx);
1998 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1999 data->nrg_th_cck);
2000 pos += scnprintf(buf + pos, bufsz - pos,
2001 "nrg_auto_corr_silence_diff:\t %u\n",
2002 data->nrg_auto_corr_silence_diff);
2003 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
2004 data->num_in_cck_no_fa);
2005 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2006 data->nrg_th_ofdm);
2007
2008 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2009 kfree(buf);
2010 return ret;
2011 }
2012
2013
2014 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2015 char __user *user_buf,
2016 size_t count, loff_t *ppos) {
2017
2018 struct iwl_priv *priv = file->private_data;
2019 int pos = 0;
2020 int cnt = 0;
2021 char *buf;
2022 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2023 ssize_t ret;
2024 struct iwl_chain_noise_data *data;
2025
2026 data = &priv->chain_noise_data;
2027 buf = kzalloc(bufsz, GFP_KERNEL);
2028 if (!buf) {
2029 IWL_ERR(priv, "Can not allocate Buffer\n");
2030 return -ENOMEM;
2031 }
2032
2033 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2034 data->active_chains);
2035 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2036 data->chain_noise_a);
2037 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2038 data->chain_noise_b);
2039 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2040 data->chain_noise_c);
2041 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2042 data->chain_signal_a);
2043 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2044 data->chain_signal_b);
2045 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2046 data->chain_signal_c);
2047 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2048 data->beacon_count);
2049
2050 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2051 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2052 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2053 data->disconn_array[cnt]);
2054 }
2055 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2056 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2057 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2058 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2059 data->delta_gain_code[cnt]);
2060 }
2061 pos += scnprintf(buf + pos, bufsz - pos, "\n");
2062 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2063 data->radio_write);
2064 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2065 data->state);
2066
2067 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2068 kfree(buf);
2069 return ret;
2070 }
2071
2072 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2073 char __user *user_buf,
2074 size_t count, loff_t *ppos)
2075 {
2076 struct iwl_priv *priv = file->private_data;
2077 char buf[60];
2078 int pos = 0;
2079 const size_t bufsz = sizeof(buf);
2080 u32 pwrsave_status;
2081
2082 pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) &
2083 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2084
2085 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2086 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2087 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2088 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2089 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2090 "error");
2091
2092 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2093 }
2094
2095 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2096 const char __user *user_buf,
2097 size_t count, loff_t *ppos)
2098 {
2099 struct iwl_priv *priv = file->private_data;
2100 char buf[8];
2101 int buf_size;
2102 int clear;
2103
2104 memset(buf, 0, sizeof(buf));
2105 buf_size = min(count, sizeof(buf) - 1);
2106 if (copy_from_user(buf, user_buf, buf_size))
2107 return -EFAULT;
2108 if (sscanf(buf, "%d", &clear) != 1)
2109 return -EFAULT;
2110
2111 /* make request to uCode to retrieve statistics information */
2112 mutex_lock(&priv->mutex);
2113 iwl_send_statistics_request(priv, CMD_SYNC, true);
2114 mutex_unlock(&priv->mutex);
2115
2116 return count;
2117 }
2118
2119 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2120 char __user *user_buf,
2121 size_t count, loff_t *ppos) {
2122
2123 struct iwl_priv *priv = file->private_data;
2124 int pos = 0;
2125 char buf[128];
2126 const size_t bufsz = sizeof(buf);
2127
2128 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2129 priv->event_log.ucode_trace ? "On" : "Off");
2130 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2131 priv->event_log.non_wraps_count);
2132 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2133 priv->event_log.wraps_once_count);
2134 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2135 priv->event_log.wraps_more_count);
2136
2137 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2138 }
2139
2140 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2141 const char __user *user_buf,
2142 size_t count, loff_t *ppos)
2143 {
2144 struct iwl_priv *priv = file->private_data;
2145 char buf[8];
2146 int buf_size;
2147 int trace;
2148
2149 memset(buf, 0, sizeof(buf));
2150 buf_size = min(count, sizeof(buf) - 1);
2151 if (copy_from_user(buf, user_buf, buf_size))
2152 return -EFAULT;
2153 if (sscanf(buf, "%d", &trace) != 1)
2154 return -EFAULT;
2155
2156 if (trace) {
2157 priv->event_log.ucode_trace = true;
2158 if (iwl_is_alive(priv)) {
2159 /* start collecting data now */
2160 mod_timer(&priv->ucode_trace, jiffies);
2161 }
2162 } else {
2163 priv->event_log.ucode_trace = false;
2164 del_timer_sync(&priv->ucode_trace);
2165 }
2166
2167 return count;
2168 }
2169
2170 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2171 char __user *user_buf,
2172 size_t count, loff_t *ppos) {
2173
2174 struct iwl_priv *priv = file->private_data;
2175 int len = 0;
2176 char buf[20];
2177
2178 len = sprintf(buf, "0x%04X\n",
2179 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2180 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2181 }
2182
2183 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2184 char __user *user_buf,
2185 size_t count, loff_t *ppos) {
2186
2187 struct iwl_priv *priv = file->private_data;
2188 int len = 0;
2189 char buf[20];
2190
2191 len = sprintf(buf, "0x%04X\n",
2192 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2193 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2194 }
2195
2196 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2197 char __user *user_buf,
2198 size_t count, loff_t *ppos) {
2199
2200 struct iwl_priv *priv = file->private_data;
2201 int pos = 0;
2202 char buf[12];
2203 const size_t bufsz = sizeof(buf);
2204
2205 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2206 priv->missed_beacon_threshold);
2207
2208 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2209 }
2210
2211 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2212 const char __user *user_buf,
2213 size_t count, loff_t *ppos)
2214 {
2215 struct iwl_priv *priv = file->private_data;
2216 char buf[8];
2217 int buf_size;
2218 int missed;
2219
2220 memset(buf, 0, sizeof(buf));
2221 buf_size = min(count, sizeof(buf) - 1);
2222 if (copy_from_user(buf, user_buf, buf_size))
2223 return -EFAULT;
2224 if (sscanf(buf, "%d", &missed) != 1)
2225 return -EINVAL;
2226
2227 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2228 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2229 priv->missed_beacon_threshold =
2230 IWL_MISSED_BEACON_THRESHOLD_DEF;
2231 else
2232 priv->missed_beacon_threshold = missed;
2233
2234 return count;
2235 }
2236
2237 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2238 char __user *user_buf,
2239 size_t count, loff_t *ppos) {
2240
2241 struct iwl_priv *priv = file->private_data;
2242 int pos = 0;
2243 char buf[12];
2244 const size_t bufsz = sizeof(buf);
2245
2246 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2247 priv->plcp_delta_threshold);
2248
2249 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2250 }
2251
2252 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2253 const char __user *user_buf,
2254 size_t count, loff_t *ppos) {
2255
2256 struct iwl_priv *priv = file->private_data;
2257 char buf[8];
2258 int buf_size;
2259 int plcp;
2260
2261 memset(buf, 0, sizeof(buf));
2262 buf_size = min(count, sizeof(buf) - 1);
2263 if (copy_from_user(buf, user_buf, buf_size))
2264 return -EFAULT;
2265 if (sscanf(buf, "%d", &plcp) != 1)
2266 return -EINVAL;
2267 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2268 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2269 priv->plcp_delta_threshold =
2270 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2271 else
2272 priv->plcp_delta_threshold = plcp;
2273 return count;
2274 }
2275
2276 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2277 char __user *user_buf,
2278 size_t count, loff_t *ppos)
2279 {
2280 struct iwl_priv *priv = file->private_data;
2281 int i, pos = 0;
2282 char buf[300];
2283 const size_t bufsz = sizeof(buf);
2284 struct iwl_force_reset *force_reset;
2285
2286 for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2287 force_reset = &priv->force_reset[i];
2288 pos += scnprintf(buf + pos, bufsz - pos,
2289 "Force reset method %d\n", i);
2290 pos += scnprintf(buf + pos, bufsz - pos,
2291 "\tnumber of reset request: %d\n",
2292 force_reset->reset_request_count);
2293 pos += scnprintf(buf + pos, bufsz - pos,
2294 "\tnumber of reset request success: %d\n",
2295 force_reset->reset_success_count);
2296 pos += scnprintf(buf + pos, bufsz - pos,
2297 "\tnumber of reset request reject: %d\n",
2298 force_reset->reset_reject_count);
2299 pos += scnprintf(buf + pos, bufsz - pos,
2300 "\treset duration: %lu\n",
2301 force_reset->reset_duration);
2302 }
2303 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2304 }
2305
2306 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2307 const char __user *user_buf,
2308 size_t count, loff_t *ppos) {
2309
2310 struct iwl_priv *priv = file->private_data;
2311 char buf[8];
2312 int buf_size;
2313 int reset, ret;
2314
2315 memset(buf, 0, sizeof(buf));
2316 buf_size = min(count, sizeof(buf) - 1);
2317 if (copy_from_user(buf, user_buf, buf_size))
2318 return -EFAULT;
2319 if (sscanf(buf, "%d", &reset) != 1)
2320 return -EINVAL;
2321 switch (reset) {
2322 case IWL_RF_RESET:
2323 case IWL_FW_RESET:
2324 ret = iwl_force_reset(priv, reset, true);
2325 break;
2326 default:
2327 return -EINVAL;
2328 }
2329 return ret ? ret : count;
2330 }
2331
2332 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2333 const char __user *user_buf,
2334 size_t count, loff_t *ppos) {
2335
2336 struct iwl_priv *priv = file->private_data;
2337 char buf[8];
2338 int buf_size;
2339 int flush;
2340
2341 memset(buf, 0, sizeof(buf));
2342 buf_size = min(count, sizeof(buf) - 1);
2343 if (copy_from_user(buf, user_buf, buf_size))
2344 return -EFAULT;
2345 if (sscanf(buf, "%d", &flush) != 1)
2346 return -EINVAL;
2347
2348 if (iwl_is_rfkill(priv))
2349 return -EFAULT;
2350
2351 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2352
2353 return count;
2354 }
2355
2356 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2357 const char __user *user_buf,
2358 size_t count, loff_t *ppos)
2359 {
2360 struct iwl_priv *priv = file->private_data;
2361 char buf[8];
2362 int buf_size;
2363 int timeout;
2364
2365 memset(buf, 0, sizeof(buf));
2366 buf_size = min(count, sizeof(buf) - 1);
2367 if (copy_from_user(buf, user_buf, buf_size))
2368 return -EFAULT;
2369 if (sscanf(buf, "%d", &timeout) != 1)
2370 return -EINVAL;
2371 if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2372 timeout = IWL_DEF_WD_TIMEOUT;
2373
2374 hw_params(priv).wd_timeout = timeout;
2375 iwl_setup_watchdog(priv);
2376 return count;
2377 }
2378
2379 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2380 char __user *user_buf,
2381 size_t count, loff_t *ppos) {
2382
2383 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2384 int pos = 0;
2385 char buf[200];
2386 const size_t bufsz = sizeof(buf);
2387
2388 if (!priv->bt_enable_flag) {
2389 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2390 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2391 }
2392 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2393 priv->bt_enable_flag);
2394 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2395 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2396 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2397 "last traffic notif: %d\n",
2398 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2399 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2400 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2401 priv->bt_ch_announce, priv->kill_ack_mask,
2402 priv->kill_cts_mask);
2403
2404 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2405 switch (priv->bt_traffic_load) {
2406 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2407 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2408 break;
2409 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2410 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2411 break;
2412 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2413 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2414 break;
2415 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2416 default:
2417 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2418 break;
2419 }
2420
2421 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2422 }
2423
2424 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2425 char __user *user_buf,
2426 size_t count, loff_t *ppos)
2427 {
2428 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2429
2430 int pos = 0;
2431 char buf[40];
2432 const size_t bufsz = sizeof(buf);
2433
2434 if (cfg(priv)->ht_params)
2435 pos += scnprintf(buf + pos, bufsz - pos,
2436 "use %s for aggregation\n",
2437 (hw_params(priv).use_rts_for_aggregation) ?
2438 "rts/cts" : "cts-to-self");
2439 else
2440 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2441
2442 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2443 }
2444
2445 static ssize_t iwl_dbgfs_protection_mode_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 int rts;
2453
2454 if (!cfg(priv)->ht_params)
2455 return -EINVAL;
2456
2457 memset(buf, 0, sizeof(buf));
2458 buf_size = min(count, sizeof(buf) - 1);
2459 if (copy_from_user(buf, user_buf, buf_size))
2460 return -EFAULT;
2461 if (sscanf(buf, "%d", &rts) != 1)
2462 return -EINVAL;
2463 if (rts)
2464 hw_params(priv).use_rts_for_aggregation = true;
2465 else
2466 hw_params(priv).use_rts_for_aggregation = false;
2467 return count;
2468 }
2469
2470 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2471 const char __user *user_buf,
2472 size_t count, loff_t *ppos)
2473 {
2474 struct iwl_priv *priv = file->private_data;
2475 char buf[8];
2476 int buf_size;
2477
2478 memset(buf, 0, sizeof(buf));
2479 buf_size = min(count, sizeof(buf) - 1);
2480 if (copy_from_user(buf, user_buf, buf_size))
2481 return -EFAULT;
2482
2483 iwl_cmd_echo_test(priv);
2484 return count;
2485 }
2486
2487 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2488 char __user *user_buf,
2489 size_t count, loff_t *ppos)
2490 {
2491 struct iwl_priv *priv = file->private_data;
2492 char *buf;
2493 int pos = 0;
2494 ssize_t ret = -ENOMEM;
2495
2496 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
2497 if (buf) {
2498 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2499 kfree(buf);
2500 }
2501 return ret;
2502 }
2503
2504 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2505 const char __user *user_buf,
2506 size_t count, loff_t *ppos)
2507 {
2508 struct iwl_priv *priv = file->private_data;
2509 u32 event_log_flag;
2510 char buf[8];
2511 int buf_size;
2512
2513 memset(buf, 0, sizeof(buf));
2514 buf_size = min(count, sizeof(buf) - 1);
2515 if (copy_from_user(buf, user_buf, buf_size))
2516 return -EFAULT;
2517 if (sscanf(buf, "%d", &event_log_flag) != 1)
2518 return -EFAULT;
2519 if (event_log_flag == 1)
2520 iwl_dump_nic_event_log(priv, true, NULL, false);
2521
2522 return count;
2523 }
2524
2525 DEBUGFS_READ_FILE_OPS(rx_statistics);
2526 DEBUGFS_READ_FILE_OPS(tx_statistics);
2527 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2528 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2529 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2530 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2531 DEBUGFS_READ_FILE_OPS(sensitivity);
2532 DEBUGFS_READ_FILE_OPS(chain_noise);
2533 DEBUGFS_READ_FILE_OPS(power_save_status);
2534 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2535 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2536 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2537 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2538 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2539 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2540 DEBUGFS_READ_FILE_OPS(rxon_flags);
2541 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2542 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2543 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2544 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2545 DEBUGFS_READ_FILE_OPS(bt_traffic);
2546 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2547 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2548 DEBUGFS_WRITE_FILE_OPS(echo_test);
2549 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2550
2551 /*
2552 * Create the debugfs files and directories
2553 *
2554 */
2555 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2556 {
2557 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2558 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2559
2560 dir_drv = debugfs_create_dir(name, phyd);
2561 if (!dir_drv)
2562 return -ENOMEM;
2563
2564 priv->debugfs_dir = dir_drv;
2565
2566 dir_data = debugfs_create_dir("data", dir_drv);
2567 if (!dir_data)
2568 goto err;
2569 dir_rf = debugfs_create_dir("rf", dir_drv);
2570 if (!dir_rf)
2571 goto err;
2572 dir_debug = debugfs_create_dir("debug", dir_drv);
2573 if (!dir_debug)
2574 goto err;
2575
2576 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2577 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2578 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2579 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2580 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2581 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2582 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2583 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2584 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2585 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2586 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2587 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2588 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2589
2590 DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2591 DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2592 DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2593 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2594 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2595 DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2596 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2597 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2598 DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2599 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2600 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2601 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2602 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2603 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2604 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2605 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2606 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2607 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2608 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2609 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2610 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2611 DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2612 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2613 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2614
2615 if (iwl_advanced_bt_coexist(priv))
2616 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2617
2618 DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2619 &priv->disable_sens_cal);
2620 DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2621 &priv->disable_chain_noise_cal);
2622
2623 if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2624 goto err;
2625 return 0;
2626
2627 err:
2628 IWL_ERR(priv, "Can't create the debugfs directory\n");
2629 iwl_dbgfs_unregister(priv);
2630 return -ENOMEM;
2631 }
2632
2633 /**
2634 * Remove the debugfs files and directories
2635 *
2636 */
2637 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2638 {
2639 if (!priv->debugfs_dir)
2640 return;
2641
2642 debugfs_remove_recursive(priv->debugfs_dir);
2643 priv->debugfs_dir = NULL;
2644 }
Linux kernel - Deliverables
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