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iwlwifi: print limited number of event log when uCode error
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/debugfs.h>
32
33 #include <linux/ieee80211.h>
34 #include <net/mac80211.h>
35
36
37 #include "iwl-dev.h"
38 #include "iwl-debug.h"
39 #include "iwl-core.h"
40 #include "iwl-io.h"
41 #include "iwl-calib.h"
42
43 /* create and remove of files */
44 #define DEBUGFS_ADD_DIR(name, parent) do { \
45 dbgfs->dir_##name = debugfs_create_dir(#name, parent); \
46 if (!(dbgfs->dir_##name)) \
47 goto err; \
48 } while (0)
49
50 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
51 dbgfs->dbgfs_##parent##_files.file_##name = \
52 debugfs_create_file(#name, mode, \
53 dbgfs->dir_##parent, priv, \
54 &iwl_dbgfs_##name##_ops); \
55 if (!(dbgfs->dbgfs_##parent##_files.file_##name)) \
56 goto err; \
57 } while (0)
58
59 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
60 dbgfs->dbgfs_##parent##_files.file_##name = \
61 debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
62 dbgfs->dir_##parent, ptr); \
63 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
64 || !dbgfs->dbgfs_##parent##_files.file_##name) \
65 goto err; \
66 } while (0)
67
68 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
69 dbgfs->dbgfs_##parent##_files.file_##name = \
70 debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr); \
71 if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
72 || !dbgfs->dbgfs_##parent##_files.file_##name) \
73 goto err; \
74 } while (0)
75
76 #define DEBUGFS_REMOVE(name) do { \
77 debugfs_remove(name); \
78 name = NULL; \
79 } while (0);
80
81 /* file operation */
82 #define DEBUGFS_READ_FUNC(name) \
83 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
84 char __user *user_buf, \
85 size_t count, loff_t *ppos);
86
87 #define DEBUGFS_WRITE_FUNC(name) \
88 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
89 const char __user *user_buf, \
90 size_t count, loff_t *ppos);
91
92
93 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
94 {
95 file->private_data = inode->i_private;
96 return 0;
97 }
98
99 #define DEBUGFS_READ_FILE_OPS(name) \
100 DEBUGFS_READ_FUNC(name); \
101 static const struct file_operations iwl_dbgfs_##name##_ops = { \
102 .read = iwl_dbgfs_##name##_read, \
103 .open = iwl_dbgfs_open_file_generic, \
104 };
105
106 #define DEBUGFS_WRITE_FILE_OPS(name) \
107 DEBUGFS_WRITE_FUNC(name); \
108 static const struct file_operations iwl_dbgfs_##name##_ops = { \
109 .write = iwl_dbgfs_##name##_write, \
110 .open = iwl_dbgfs_open_file_generic, \
111 };
112
113
114 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
115 DEBUGFS_READ_FUNC(name); \
116 DEBUGFS_WRITE_FUNC(name); \
117 static const struct file_operations iwl_dbgfs_##name##_ops = { \
118 .write = iwl_dbgfs_##name##_write, \
119 .read = iwl_dbgfs_##name##_read, \
120 .open = iwl_dbgfs_open_file_generic, \
121 };
122
123
124 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
125 char __user *user_buf,
126 size_t count, loff_t *ppos) {
127
128 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
129 char *buf;
130 int pos = 0;
131
132 int cnt;
133 ssize_t ret;
134 const size_t bufsz = 100 +
135 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
136 buf = kzalloc(bufsz, GFP_KERNEL);
137 if (!buf)
138 return -ENOMEM;
139 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
140 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
141 pos += scnprintf(buf + pos, bufsz - pos,
142 "\t%25s\t\t: %u\n",
143 get_mgmt_string(cnt),
144 priv->tx_stats.mgmt[cnt]);
145 }
146 pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
147 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
148 pos += scnprintf(buf + pos, bufsz - pos,
149 "\t%25s\t\t: %u\n",
150 get_ctrl_string(cnt),
151 priv->tx_stats.ctrl[cnt]);
152 }
153 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
154 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
155 priv->tx_stats.data_cnt);
156 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
157 priv->tx_stats.data_bytes);
158 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
159 kfree(buf);
160 return ret;
161 }
162
163 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
164 const char __user *user_buf,
165 size_t count, loff_t *ppos)
166 {
167 struct iwl_priv *priv = file->private_data;
168 u32 clear_flag;
169 char buf[8];
170 int buf_size;
171
172 memset(buf, 0, sizeof(buf));
173 buf_size = min(count, sizeof(buf) - 1);
174 if (copy_from_user(buf, user_buf, buf_size))
175 return -EFAULT;
176 if (sscanf(buf, "%x", &clear_flag) != 1)
177 return -EFAULT;
178 iwl_clear_traffic_stats(priv);
179
180 return count;
181 }
182
183 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
184 char __user *user_buf,
185 size_t count, loff_t *ppos) {
186
187 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
188 char *buf;
189 int pos = 0;
190 int cnt;
191 ssize_t ret;
192 const size_t bufsz = 100 +
193 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
194 buf = kzalloc(bufsz, GFP_KERNEL);
195 if (!buf)
196 return -ENOMEM;
197
198 pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
199 for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
200 pos += scnprintf(buf + pos, bufsz - pos,
201 "\t%25s\t\t: %u\n",
202 get_mgmt_string(cnt),
203 priv->rx_stats.mgmt[cnt]);
204 }
205 pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
206 for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
207 pos += scnprintf(buf + pos, bufsz - pos,
208 "\t%25s\t\t: %u\n",
209 get_ctrl_string(cnt),
210 priv->rx_stats.ctrl[cnt]);
211 }
212 pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
213 pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
214 priv->rx_stats.data_cnt);
215 pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
216 priv->rx_stats.data_bytes);
217
218 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
219 kfree(buf);
220 return ret;
221 }
222
223 #define BYTE1_MASK 0x000000ff;
224 #define BYTE2_MASK 0x0000ffff;
225 #define BYTE3_MASK 0x00ffffff;
226 static ssize_t iwl_dbgfs_sram_read(struct file *file,
227 char __user *user_buf,
228 size_t count, loff_t *ppos)
229 {
230 u32 val;
231 char *buf;
232 ssize_t ret;
233 int i;
234 int pos = 0;
235 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
236 size_t bufsz;
237
238 /* default is to dump the entire data segment */
239 if (!priv->dbgfs->sram_offset && !priv->dbgfs->sram_len) {
240 priv->dbgfs->sram_offset = 0x800000;
241 if (priv->ucode_type == UCODE_INIT)
242 priv->dbgfs->sram_len = priv->ucode_init_data.len;
243 else
244 priv->dbgfs->sram_len = priv->ucode_data.len;
245 }
246 bufsz = 30 + priv->dbgfs->sram_len * sizeof(char) * 10;
247 buf = kmalloc(bufsz, GFP_KERNEL);
248 if (!buf)
249 return -ENOMEM;
250 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
251 priv->dbgfs->sram_len);
252 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
253 priv->dbgfs->sram_offset);
254 for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
255 val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
256 priv->dbgfs->sram_len - i);
257 if (i < 4) {
258 switch (i) {
259 case 1:
260 val &= BYTE1_MASK;
261 break;
262 case 2:
263 val &= BYTE2_MASK;
264 break;
265 case 3:
266 val &= BYTE3_MASK;
267 break;
268 }
269 }
270 if (!(i % 16))
271 pos += scnprintf(buf + pos, bufsz - pos, "\n");
272 pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
273 }
274 pos += scnprintf(buf + pos, bufsz - pos, "\n");
275
276 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
277 kfree(buf);
278 return ret;
279 }
280
281 static ssize_t iwl_dbgfs_sram_write(struct file *file,
282 const char __user *user_buf,
283 size_t count, loff_t *ppos)
284 {
285 struct iwl_priv *priv = file->private_data;
286 char buf[64];
287 int buf_size;
288 u32 offset, len;
289
290 memset(buf, 0, sizeof(buf));
291 buf_size = min(count, sizeof(buf) - 1);
292 if (copy_from_user(buf, user_buf, buf_size))
293 return -EFAULT;
294
295 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
296 priv->dbgfs->sram_offset = offset;
297 priv->dbgfs->sram_len = len;
298 } else {
299 priv->dbgfs->sram_offset = 0;
300 priv->dbgfs->sram_len = 0;
301 }
302
303 return count;
304 }
305
306 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
307 size_t count, loff_t *ppos)
308 {
309 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
310 struct iwl_station_entry *station;
311 int max_sta = priv->hw_params.max_stations;
312 char *buf;
313 int i, j, pos = 0;
314 ssize_t ret;
315 /* Add 30 for initial string */
316 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
317
318 buf = kmalloc(bufsz, GFP_KERNEL);
319 if (!buf)
320 return -ENOMEM;
321
322 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
323 priv->num_stations);
324
325 for (i = 0; i < max_sta; i++) {
326 station = &priv->stations[i];
327 if (station->used) {
328 pos += scnprintf(buf + pos, bufsz - pos,
329 "station %d:\ngeneral data:\n", i+1);
330 pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
331 station->sta.sta.sta_id);
332 pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
333 station->sta.mode);
334 pos += scnprintf(buf + pos, bufsz - pos,
335 "flags: 0x%x\n",
336 station->sta.station_flags_msk);
337 pos += scnprintf(buf + pos, bufsz - pos, "tid data:\n");
338 pos += scnprintf(buf + pos, bufsz - pos,
339 "seq_num\t\ttxq_id");
340 pos += scnprintf(buf + pos, bufsz - pos,
341 "\tframe_count\twait_for_ba\t");
342 pos += scnprintf(buf + pos, bufsz - pos,
343 "start_idx\tbitmap0\t");
344 pos += scnprintf(buf + pos, bufsz - pos,
345 "bitmap1\trate_n_flags");
346 pos += scnprintf(buf + pos, bufsz - pos, "\n");
347
348 for (j = 0; j < MAX_TID_COUNT; j++) {
349 pos += scnprintf(buf + pos, bufsz - pos,
350 "[%d]:\t\t%u", j,
351 station->tid[j].seq_number);
352 pos += scnprintf(buf + pos, bufsz - pos,
353 "\t%u\t\t%u\t\t%u\t\t",
354 station->tid[j].agg.txq_id,
355 station->tid[j].agg.frame_count,
356 station->tid[j].agg.wait_for_ba);
357 pos += scnprintf(buf + pos, bufsz - pos,
358 "%u\t%llu\t%u",
359 station->tid[j].agg.start_idx,
360 (unsigned long long)station->tid[j].agg.bitmap,
361 station->tid[j].agg.rate_n_flags);
362 pos += scnprintf(buf + pos, bufsz - pos, "\n");
363 }
364 pos += scnprintf(buf + pos, bufsz - pos, "\n");
365 }
366 }
367
368 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
369 kfree(buf);
370 return ret;
371 }
372
373 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
374 char __user *user_buf,
375 size_t count,
376 loff_t *ppos)
377 {
378 ssize_t ret;
379 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
380 int pos = 0, ofs = 0, buf_size = 0;
381 const u8 *ptr;
382 char *buf;
383 u16 eeprom_ver;
384 size_t eeprom_len = priv->cfg->eeprom_size;
385 buf_size = 4 * eeprom_len + 256;
386
387 if (eeprom_len % 16) {
388 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
389 return -ENODATA;
390 }
391
392 ptr = priv->eeprom;
393 if (!ptr) {
394 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
395 return -ENOMEM;
396 }
397
398 /* 4 characters for byte 0xYY */
399 buf = kzalloc(buf_size, GFP_KERNEL);
400 if (!buf) {
401 IWL_ERR(priv, "Can not allocate Buffer\n");
402 return -ENOMEM;
403 }
404 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
405 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
406 "version: 0x%x\n",
407 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
408 ? "OTP" : "EEPROM", eeprom_ver);
409 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
410 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
411 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
412 buf_size - pos, 0);
413 pos += strlen(buf + pos);
414 if (buf_size - pos > 0)
415 buf[pos++] = '\n';
416 }
417
418 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
419 kfree(buf);
420 return ret;
421 }
422
423 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
424 const char __user *user_buf,
425 size_t count, loff_t *ppos)
426 {
427 struct iwl_priv *priv = file->private_data;
428 u32 event_log_flag;
429 char buf[8];
430 int buf_size;
431
432 memset(buf, 0, sizeof(buf));
433 buf_size = min(count, sizeof(buf) - 1);
434 if (copy_from_user(buf, user_buf, buf_size))
435 return -EFAULT;
436 if (sscanf(buf, "%d", &event_log_flag) != 1)
437 return -EFAULT;
438 if (event_log_flag == 1)
439 priv->cfg->ops->lib->dump_nic_event_log(priv, true);
440
441 return count;
442 }
443
444
445
446 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
447 size_t count, loff_t *ppos)
448 {
449 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
450 struct ieee80211_channel *channels = NULL;
451 const struct ieee80211_supported_band *supp_band = NULL;
452 int pos = 0, i, bufsz = PAGE_SIZE;
453 char *buf;
454 ssize_t ret;
455
456 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
457 return -EAGAIN;
458
459 buf = kzalloc(bufsz, GFP_KERNEL);
460 if (!buf) {
461 IWL_ERR(priv, "Can not allocate Buffer\n");
462 return -ENOMEM;
463 }
464
465 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
466 if (supp_band) {
467 channels = supp_band->channels;
468
469 pos += scnprintf(buf + pos, bufsz - pos,
470 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
471 supp_band->n_channels);
472
473 for (i = 0; i < supp_band->n_channels; i++)
474 pos += scnprintf(buf + pos, bufsz - pos,
475 "%d: %ddBm: BSS%s%s, %s.\n",
476 ieee80211_frequency_to_channel(
477 channels[i].center_freq),
478 channels[i].max_power,
479 channels[i].flags & IEEE80211_CHAN_RADAR ?
480 " (IEEE 802.11h required)" : "",
481 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
482 || (channels[i].flags &
483 IEEE80211_CHAN_RADAR)) ? "" :
484 ", IBSS",
485 channels[i].flags &
486 IEEE80211_CHAN_PASSIVE_SCAN ?
487 "passive only" : "active/passive");
488 }
489 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
490 if (supp_band) {
491 channels = supp_band->channels;
492
493 pos += scnprintf(buf + pos, bufsz - pos,
494 "Displaying %d channels in 5.2GHz band (802.11a)\n",
495 supp_band->n_channels);
496
497 for (i = 0; i < supp_band->n_channels; i++)
498 pos += scnprintf(buf + pos, bufsz - pos,
499 "%d: %ddBm: BSS%s%s, %s.\n",
500 ieee80211_frequency_to_channel(
501 channels[i].center_freq),
502 channels[i].max_power,
503 channels[i].flags & IEEE80211_CHAN_RADAR ?
504 " (IEEE 802.11h required)" : "",
505 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
506 || (channels[i].flags &
507 IEEE80211_CHAN_RADAR)) ? "" :
508 ", IBSS",
509 channels[i].flags &
510 IEEE80211_CHAN_PASSIVE_SCAN ?
511 "passive only" : "active/passive");
512 }
513 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
514 kfree(buf);
515 return ret;
516 }
517
518 static ssize_t iwl_dbgfs_status_read(struct file *file,
519 char __user *user_buf,
520 size_t count, loff_t *ppos) {
521
522 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
523 char buf[512];
524 int pos = 0;
525 const size_t bufsz = sizeof(buf);
526
527 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
528 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
529 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
530 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
531 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
532 test_bit(STATUS_INT_ENABLED, &priv->status));
533 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
534 test_bit(STATUS_RF_KILL_HW, &priv->status));
535 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
536 test_bit(STATUS_CT_KILL, &priv->status));
537 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
538 test_bit(STATUS_INIT, &priv->status));
539 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
540 test_bit(STATUS_ALIVE, &priv->status));
541 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
542 test_bit(STATUS_READY, &priv->status));
543 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
544 test_bit(STATUS_TEMPERATURE, &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->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
560 test_bit(STATUS_FW_ERROR, &priv->status));
561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
562 test_bit(STATUS_MODE_PENDING, &priv->status));
563 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
564 }
565
566 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
567 char __user *user_buf,
568 size_t count, loff_t *ppos) {
569
570 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
571 int pos = 0;
572 int cnt = 0;
573 char *buf;
574 int bufsz = 24 * 64; /* 24 items * 64 char per item */
575 ssize_t ret;
576
577 buf = kzalloc(bufsz, GFP_KERNEL);
578 if (!buf) {
579 IWL_ERR(priv, "Can not allocate Buffer\n");
580 return -ENOMEM;
581 }
582
583 pos += scnprintf(buf + pos, bufsz - pos,
584 "Interrupt Statistics Report:\n");
585
586 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
587 priv->isr_stats.hw);
588 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
589 priv->isr_stats.sw);
590 if (priv->isr_stats.sw > 0) {
591 pos += scnprintf(buf + pos, bufsz - pos,
592 "\tLast Restarting Code: 0x%X\n",
593 priv->isr_stats.sw_err);
594 }
595 #ifdef CONFIG_IWLWIFI_DEBUG
596 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
597 priv->isr_stats.sch);
598 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
599 priv->isr_stats.alive);
600 #endif
601 pos += scnprintf(buf + pos, bufsz - pos,
602 "HW RF KILL switch toggled:\t %u\n",
603 priv->isr_stats.rfkill);
604
605 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
606 priv->isr_stats.ctkill);
607
608 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
609 priv->isr_stats.wakeup);
610
611 pos += scnprintf(buf + pos, bufsz - pos,
612 "Rx command responses:\t\t %u\n",
613 priv->isr_stats.rx);
614 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
615 if (priv->isr_stats.rx_handlers[cnt] > 0)
616 pos += scnprintf(buf + pos, bufsz - pos,
617 "\tRx handler[%36s]:\t\t %u\n",
618 get_cmd_string(cnt),
619 priv->isr_stats.rx_handlers[cnt]);
620 }
621
622 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
623 priv->isr_stats.tx);
624
625 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
626 priv->isr_stats.unhandled);
627
628 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
629 kfree(buf);
630 return ret;
631 }
632
633 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
634 const char __user *user_buf,
635 size_t count, loff_t *ppos)
636 {
637 struct iwl_priv *priv = file->private_data;
638 char buf[8];
639 int buf_size;
640 u32 reset_flag;
641
642 memset(buf, 0, sizeof(buf));
643 buf_size = min(count, sizeof(buf) - 1);
644 if (copy_from_user(buf, user_buf, buf_size))
645 return -EFAULT;
646 if (sscanf(buf, "%x", &reset_flag) != 1)
647 return -EFAULT;
648 if (reset_flag == 0)
649 iwl_clear_isr_stats(priv);
650
651 return count;
652 }
653
654 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
655 size_t count, loff_t *ppos)
656 {
657 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
658 int pos = 0, i;
659 char buf[256];
660 const size_t bufsz = sizeof(buf);
661 ssize_t ret;
662
663 for (i = 0; i < AC_NUM; i++) {
664 pos += scnprintf(buf + pos, bufsz - pos,
665 "\tcw_min\tcw_max\taifsn\ttxop\n");
666 pos += scnprintf(buf + pos, bufsz - pos,
667 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
668 priv->qos_data.def_qos_parm.ac[i].cw_min,
669 priv->qos_data.def_qos_parm.ac[i].cw_max,
670 priv->qos_data.def_qos_parm.ac[i].aifsn,
671 priv->qos_data.def_qos_parm.ac[i].edca_txop);
672 }
673 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
674 return ret;
675 }
676
677 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
678 size_t count, loff_t *ppos)
679 {
680 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
681 int pos = 0;
682 char buf[256];
683 const size_t bufsz = sizeof(buf);
684 ssize_t ret;
685
686 pos += scnprintf(buf + pos, bufsz - pos,
687 "allow blinking: %s\n",
688 (priv->allow_blinking) ? "True" : "False");
689 if (priv->allow_blinking) {
690 pos += scnprintf(buf + pos, bufsz - pos,
691 "Led blinking rate: %u\n",
692 priv->last_blink_rate);
693 pos += scnprintf(buf + pos, bufsz - pos,
694 "Last blink time: %lu\n",
695 priv->last_blink_time);
696 }
697
698 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
699 return ret;
700 }
701
702 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
703 char __user *user_buf,
704 size_t count, loff_t *ppos)
705 {
706 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
707 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
708 struct iwl_tt_restriction *restriction;
709 char buf[100];
710 int pos = 0;
711 const size_t bufsz = sizeof(buf);
712 ssize_t ret;
713
714 pos += scnprintf(buf + pos, bufsz - pos,
715 "Thermal Throttling Mode: %s\n",
716 tt->advanced_tt ? "Advance" : "Legacy");
717 pos += scnprintf(buf + pos, bufsz - pos,
718 "Thermal Throttling State: %d\n",
719 tt->state);
720 if (tt->advanced_tt) {
721 restriction = tt->restriction + tt->state;
722 pos += scnprintf(buf + pos, bufsz - pos,
723 "Tx mode: %d\n",
724 restriction->tx_stream);
725 pos += scnprintf(buf + pos, bufsz - pos,
726 "Rx mode: %d\n",
727 restriction->rx_stream);
728 pos += scnprintf(buf + pos, bufsz - pos,
729 "HT mode: %d\n",
730 restriction->is_ht);
731 }
732 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
733 return ret;
734 }
735
736 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
737 const char __user *user_buf,
738 size_t count, loff_t *ppos)
739 {
740 struct iwl_priv *priv = file->private_data;
741 char buf[8];
742 int buf_size;
743 int ht40;
744
745 memset(buf, 0, sizeof(buf));
746 buf_size = min(count, sizeof(buf) - 1);
747 if (copy_from_user(buf, user_buf, buf_size))
748 return -EFAULT;
749 if (sscanf(buf, "%d", &ht40) != 1)
750 return -EFAULT;
751 if (!iwl_is_associated(priv))
752 priv->disable_ht40 = ht40 ? true : false;
753 else {
754 IWL_ERR(priv, "Sta associated with AP - "
755 "Change to 40MHz channel support is not allowed\n");
756 return -EINVAL;
757 }
758
759 return count;
760 }
761
762 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
763 char __user *user_buf,
764 size_t count, loff_t *ppos)
765 {
766 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
767 char buf[100];
768 int pos = 0;
769 const size_t bufsz = sizeof(buf);
770 ssize_t ret;
771
772 pos += scnprintf(buf + pos, bufsz - pos,
773 "11n 40MHz Mode: %s\n",
774 priv->disable_ht40 ? "Disabled" : "Enabled");
775 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
776 return ret;
777 }
778
779 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
780 const char __user *user_buf,
781 size_t count, loff_t *ppos)
782 {
783 struct iwl_priv *priv = file->private_data;
784 char buf[8];
785 int buf_size;
786 int value;
787
788 memset(buf, 0, sizeof(buf));
789 buf_size = min(count, sizeof(buf) - 1);
790 if (copy_from_user(buf, user_buf, buf_size))
791 return -EFAULT;
792
793 if (sscanf(buf, "%d", &value) != 1)
794 return -EINVAL;
795
796 /*
797 * Our users expect 0 to be "CAM", but 0 isn't actually
798 * valid here. However, let's not confuse them and present
799 * IWL_POWER_INDEX_1 as "1", not "0".
800 */
801 if (value == 0)
802 return -EINVAL;
803 else if (value > 0)
804 value -= 1;
805
806 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
807 return -EINVAL;
808
809 if (!iwl_is_ready_rf(priv))
810 return -EAGAIN;
811
812 priv->power_data.debug_sleep_level_override = value;
813
814 iwl_power_update_mode(priv, true);
815
816 return count;
817 }
818
819 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
820 char __user *user_buf,
821 size_t count, loff_t *ppos)
822 {
823 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
824 char buf[10];
825 int pos, value;
826 const size_t bufsz = sizeof(buf);
827
828 /* see the write function */
829 value = priv->power_data.debug_sleep_level_override;
830 if (value >= 0)
831 value += 1;
832
833 pos = scnprintf(buf, bufsz, "%d\n", value);
834 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
835 }
836
837 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
838 char __user *user_buf,
839 size_t count, loff_t *ppos)
840 {
841 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
842 char buf[200];
843 int pos = 0, i;
844 const size_t bufsz = sizeof(buf);
845 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
846
847 pos += scnprintf(buf + pos, bufsz - pos,
848 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
849 pos += scnprintf(buf + pos, bufsz - pos,
850 "RX/TX timeout: %d/%d usec\n",
851 le32_to_cpu(cmd->rx_data_timeout),
852 le32_to_cpu(cmd->tx_data_timeout));
853 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
854 pos += scnprintf(buf + pos, bufsz - pos,
855 "sleep_interval[%d]: %d\n", i,
856 le32_to_cpu(cmd->sleep_interval[i]));
857
858 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
859 }
860
861 DEBUGFS_READ_WRITE_FILE_OPS(sram);
862 DEBUGFS_WRITE_FILE_OPS(log_event);
863 DEBUGFS_READ_FILE_OPS(nvm);
864 DEBUGFS_READ_FILE_OPS(stations);
865 DEBUGFS_READ_FILE_OPS(channels);
866 DEBUGFS_READ_FILE_OPS(status);
867 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
868 DEBUGFS_READ_FILE_OPS(qos);
869 DEBUGFS_READ_FILE_OPS(led);
870 DEBUGFS_READ_FILE_OPS(thermal_throttling);
871 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
872 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
873 DEBUGFS_READ_FILE_OPS(current_sleep_command);
874
875 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
876 char __user *user_buf,
877 size_t count, loff_t *ppos)
878 {
879 struct iwl_priv *priv = file->private_data;
880 int pos = 0, ofs = 0;
881 int cnt = 0, entry;
882 struct iwl_tx_queue *txq;
883 struct iwl_queue *q;
884 struct iwl_rx_queue *rxq = &priv->rxq;
885 char *buf;
886 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
887 (priv->cfg->num_of_queues * 32 * 8) + 400;
888 const u8 *ptr;
889 ssize_t ret;
890
891 if (!priv->txq) {
892 IWL_ERR(priv, "txq not ready\n");
893 return -EAGAIN;
894 }
895 buf = kzalloc(bufsz, GFP_KERNEL);
896 if (!buf) {
897 IWL_ERR(priv, "Can not allocate buffer\n");
898 return -ENOMEM;
899 }
900 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
901 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
902 txq = &priv->txq[cnt];
903 q = &txq->q;
904 pos += scnprintf(buf + pos, bufsz - pos,
905 "q[%d]: read_ptr: %u, write_ptr: %u\n",
906 cnt, q->read_ptr, q->write_ptr);
907 }
908 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
909 ptr = priv->tx_traffic;
910 pos += scnprintf(buf + pos, bufsz - pos,
911 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
912 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
913 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
914 entry++, ofs += 16) {
915 pos += scnprintf(buf + pos, bufsz - pos,
916 "0x%.4x ", ofs);
917 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
918 buf + pos, bufsz - pos, 0);
919 pos += strlen(buf + pos);
920 if (bufsz - pos > 0)
921 buf[pos++] = '\n';
922 }
923 }
924 }
925
926 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
927 pos += scnprintf(buf + pos, bufsz - pos,
928 "read: %u, write: %u\n",
929 rxq->read, rxq->write);
930
931 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
932 ptr = priv->rx_traffic;
933 pos += scnprintf(buf + pos, bufsz - pos,
934 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
935 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
936 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
937 entry++, ofs += 16) {
938 pos += scnprintf(buf + pos, bufsz - pos,
939 "0x%.4x ", ofs);
940 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
941 buf + pos, bufsz - pos, 0);
942 pos += strlen(buf + pos);
943 if (bufsz - pos > 0)
944 buf[pos++] = '\n';
945 }
946 }
947 }
948
949 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
950 kfree(buf);
951 return ret;
952 }
953
954 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
955 const char __user *user_buf,
956 size_t count, loff_t *ppos)
957 {
958 struct iwl_priv *priv = file->private_data;
959 char buf[8];
960 int buf_size;
961 int traffic_log;
962
963 memset(buf, 0, sizeof(buf));
964 buf_size = min(count, sizeof(buf) - 1);
965 if (copy_from_user(buf, user_buf, buf_size))
966 return -EFAULT;
967 if (sscanf(buf, "%d", &traffic_log) != 1)
968 return -EFAULT;
969 if (traffic_log == 0)
970 iwl_reset_traffic_log(priv);
971
972 return count;
973 }
974
975 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
976 char __user *user_buf,
977 size_t count, loff_t *ppos) {
978
979 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
980 struct iwl_tx_queue *txq;
981 struct iwl_queue *q;
982 char *buf;
983 int pos = 0;
984 int cnt;
985 int ret;
986 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
987
988 if (!priv->txq) {
989 IWL_ERR(priv, "txq not ready\n");
990 return -EAGAIN;
991 }
992 buf = kzalloc(bufsz, GFP_KERNEL);
993 if (!buf)
994 return -ENOMEM;
995
996 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
997 txq = &priv->txq[cnt];
998 q = &txq->q;
999 pos += scnprintf(buf + pos, bufsz - pos,
1000 "hwq %.2d: read=%u write=%u stop=%d"
1001 " swq_id=%#.2x (ac %d/hwq %d)\n",
1002 cnt, q->read_ptr, q->write_ptr,
1003 !!test_bit(cnt, priv->queue_stopped),
1004 txq->swq_id,
1005 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1006 txq->swq_id,
1007 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1008 0x1f : txq->swq_id);
1009 if (cnt >= 4)
1010 continue;
1011 /* for the ACs, display the stop count too */
1012 pos += scnprintf(buf + pos, bufsz - pos,
1013 " stop-count: %d\n",
1014 atomic_read(&priv->queue_stop_count[cnt]));
1015 }
1016 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1017 kfree(buf);
1018 return ret;
1019 }
1020
1021 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1022 char __user *user_buf,
1023 size_t count, loff_t *ppos) {
1024
1025 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1026 struct iwl_rx_queue *rxq = &priv->rxq;
1027 char buf[256];
1028 int pos = 0;
1029 const size_t bufsz = sizeof(buf);
1030
1031 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1032 rxq->read);
1033 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1034 rxq->write);
1035 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1036 rxq->free_count);
1037 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1038 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1039 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1040 }
1041
1042 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1043 int bufsz)
1044 {
1045 int p = 0;
1046
1047 p += scnprintf(buf + p, bufsz - p,
1048 "Statistics Flag(0x%X):\n",
1049 le32_to_cpu(priv->statistics.flag));
1050 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1051 p += scnprintf(buf + p, bufsz - p,
1052 "\tStatistics have been cleared\n");
1053 p += scnprintf(buf + p, bufsz - p,
1054 "\tOperational Frequency: %s\n",
1055 (le32_to_cpu(priv->statistics.flag) &
1056 UCODE_STATISTICS_FREQUENCY_MSK)
1057 ? "2.4 GHz" : "5.2 GHz");
1058 p += scnprintf(buf + p, bufsz - p,
1059 "\tTGj Narrow Band: %s\n",
1060 (le32_to_cpu(priv->statistics.flag) &
1061 UCODE_STATISTICS_NARROW_BAND_MSK)
1062 ? "enabled" : "disabled");
1063 return p;
1064 }
1065
1066
1067 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1068 char __user *user_buf,
1069 size_t count, loff_t *ppos)
1070 {
1071 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1072 int pos = 0;
1073 char *buf;
1074 int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1075 sizeof(struct statistics_rx_non_phy) * 20 +
1076 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1077 ssize_t ret;
1078 struct statistics_rx_phy *ofdm, *accum_ofdm;
1079 struct statistics_rx_phy *cck, *accum_cck;
1080 struct statistics_rx_non_phy *general, *accum_general;
1081 struct statistics_rx_ht_phy *ht, *accum_ht;
1082
1083 if (!iwl_is_alive(priv))
1084 return -EAGAIN;
1085
1086 /* make request to uCode to retrieve statistics information */
1087 mutex_lock(&priv->mutex);
1088 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1089 mutex_unlock(&priv->mutex);
1090
1091 if (ret) {
1092 IWL_ERR(priv,
1093 "Error sending statistics request: %zd\n", ret);
1094 return -EAGAIN;
1095 }
1096 buf = kzalloc(bufsz, GFP_KERNEL);
1097 if (!buf) {
1098 IWL_ERR(priv, "Can not allocate Buffer\n");
1099 return -ENOMEM;
1100 }
1101
1102 /* the statistic information display here is based on
1103 * the last statistics notification from uCode
1104 * might not reflect the current uCode activity
1105 */
1106 ofdm = &priv->statistics.rx.ofdm;
1107 cck = &priv->statistics.rx.cck;
1108 general = &priv->statistics.rx.general;
1109 ht = &priv->statistics.rx.ofdm_ht;
1110 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1111 accum_cck = &priv->accum_statistics.rx.cck;
1112 accum_general = &priv->accum_statistics.rx.general;
1113 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1114 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1115 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1116 pos += scnprintf(buf + pos, bufsz - pos,
1117 "\t\t\tcurrent\t\t\taccumulative\n");
1118 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1119 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
1120 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1121 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
1122 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1123 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
1124 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1125 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
1126 pos += scnprintf(buf + pos, bufsz - pos,
1127 "overrun_err:\t\t%u\t\t\t%u\n",
1128 le32_to_cpu(ofdm->overrun_err),
1129 accum_ofdm->overrun_err);
1130 pos += scnprintf(buf + pos, bufsz - pos,
1131 "early_overrun_err:\t%u\t\t\t%u\n",
1132 le32_to_cpu(ofdm->early_overrun_err),
1133 accum_ofdm->early_overrun_err);
1134 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1135 le32_to_cpu(ofdm->crc32_good),
1136 accum_ofdm->crc32_good);
1137 pos += scnprintf(buf + pos, bufsz - pos,
1138 "false_alarm_cnt:\t%u\t\t\t%u\n",
1139 le32_to_cpu(ofdm->false_alarm_cnt),
1140 accum_ofdm->false_alarm_cnt);
1141 pos += scnprintf(buf + pos, bufsz - pos,
1142 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1143 le32_to_cpu(ofdm->fina_sync_err_cnt),
1144 accum_ofdm->fina_sync_err_cnt);
1145 pos += scnprintf(buf + pos, bufsz - pos,
1146 "sfd_timeout:\t\t%u\t\t\t%u\n",
1147 le32_to_cpu(ofdm->sfd_timeout),
1148 accum_ofdm->sfd_timeout);
1149 pos += scnprintf(buf + pos, bufsz - pos,
1150 "fina_timeout:\t\t%u\t\t\t%u\n",
1151 le32_to_cpu(ofdm->fina_timeout),
1152 accum_ofdm->fina_timeout);
1153 pos += scnprintf(buf + pos, bufsz - pos,
1154 "unresponded_rts:\t%u\t\t\t%u\n",
1155 le32_to_cpu(ofdm->unresponded_rts),
1156 accum_ofdm->unresponded_rts);
1157 pos += scnprintf(buf + pos, bufsz - pos,
1158 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1159 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1160 accum_ofdm->rxe_frame_limit_overrun);
1161 pos += scnprintf(buf + pos, bufsz - pos,
1162 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1163 le32_to_cpu(ofdm->sent_ack_cnt),
1164 accum_ofdm->sent_ack_cnt);
1165 pos += scnprintf(buf + pos, bufsz - pos,
1166 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1167 le32_to_cpu(ofdm->sent_cts_cnt),
1168 accum_ofdm->sent_cts_cnt);
1169 pos += scnprintf(buf + pos, bufsz - pos,
1170 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1171 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1172 accum_ofdm->sent_ba_rsp_cnt);
1173 pos += scnprintf(buf + pos, bufsz - pos,
1174 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1175 le32_to_cpu(ofdm->dsp_self_kill),
1176 accum_ofdm->dsp_self_kill);
1177 pos += scnprintf(buf + pos, bufsz - pos,
1178 "mh_format_err:\t\t%u\t\t\t%u\n",
1179 le32_to_cpu(ofdm->mh_format_err),
1180 accum_ofdm->mh_format_err);
1181 pos += scnprintf(buf + pos, bufsz - pos,
1182 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1183 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1184 accum_ofdm->re_acq_main_rssi_sum);
1185
1186 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1187 pos += scnprintf(buf + pos, bufsz - pos,
1188 "\t\t\tcurrent\t\t\taccumulative\n");
1189 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1190 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
1191 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1192 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
1193 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1194 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
1195 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1196 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
1197 pos += scnprintf(buf + pos, bufsz - pos,
1198 "overrun_err:\t\t%u\t\t\t%u\n",
1199 le32_to_cpu(cck->overrun_err),
1200 accum_cck->overrun_err);
1201 pos += scnprintf(buf + pos, bufsz - pos,
1202 "early_overrun_err:\t%u\t\t\t%u\n",
1203 le32_to_cpu(cck->early_overrun_err),
1204 accum_cck->early_overrun_err);
1205 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1206 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
1207 pos += scnprintf(buf + pos, bufsz - pos,
1208 "false_alarm_cnt:\t%u\t\t\t%u\n",
1209 le32_to_cpu(cck->false_alarm_cnt),
1210 accum_cck->false_alarm_cnt);
1211 pos += scnprintf(buf + pos, bufsz - pos,
1212 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1213 le32_to_cpu(cck->fina_sync_err_cnt),
1214 accum_cck->fina_sync_err_cnt);
1215 pos += scnprintf(buf + pos, bufsz - pos,
1216 "sfd_timeout:\t\t%u\t\t\t%u\n",
1217 le32_to_cpu(cck->sfd_timeout),
1218 accum_cck->sfd_timeout);
1219 pos += scnprintf(buf + pos, bufsz - pos,
1220 "fina_timeout:\t\t%u\t\t\t%u\n",
1221 le32_to_cpu(cck->fina_timeout),
1222 accum_cck->fina_timeout);
1223 pos += scnprintf(buf + pos, bufsz - pos,
1224 "unresponded_rts:\t%u\t\t\t%u\n",
1225 le32_to_cpu(cck->unresponded_rts),
1226 accum_cck->unresponded_rts);
1227 pos += scnprintf(buf + pos, bufsz - pos,
1228 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1229 le32_to_cpu(cck->rxe_frame_limit_overrun),
1230 accum_cck->rxe_frame_limit_overrun);
1231 pos += scnprintf(buf + pos, bufsz - pos,
1232 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1233 le32_to_cpu(cck->sent_ack_cnt),
1234 accum_cck->sent_ack_cnt);
1235 pos += scnprintf(buf + pos, bufsz - pos,
1236 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1237 le32_to_cpu(cck->sent_cts_cnt),
1238 accum_cck->sent_cts_cnt);
1239 pos += scnprintf(buf + pos, bufsz - pos,
1240 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1241 le32_to_cpu(cck->sent_ba_rsp_cnt),
1242 accum_cck->sent_ba_rsp_cnt);
1243 pos += scnprintf(buf + pos, bufsz - pos,
1244 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1245 le32_to_cpu(cck->dsp_self_kill),
1246 accum_cck->dsp_self_kill);
1247 pos += scnprintf(buf + pos, bufsz - pos,
1248 "mh_format_err:\t\t%u\t\t\t%u\n",
1249 le32_to_cpu(cck->mh_format_err),
1250 accum_cck->mh_format_err);
1251 pos += scnprintf(buf + pos, bufsz - pos,
1252 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1253 le32_to_cpu(cck->re_acq_main_rssi_sum),
1254 accum_cck->re_acq_main_rssi_sum);
1255
1256 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1257 pos += scnprintf(buf + pos, bufsz - pos,
1258 "\t\t\tcurrent\t\t\taccumulative\n");
1259 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
1260 le32_to_cpu(general->bogus_cts),
1261 accum_general->bogus_cts);
1262 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
1263 le32_to_cpu(general->bogus_ack),
1264 accum_general->bogus_ack);
1265 pos += scnprintf(buf + pos, bufsz - pos,
1266 "non_bssid_frames:\t%u\t\t\t%u\n",
1267 le32_to_cpu(general->non_bssid_frames),
1268 accum_general->non_bssid_frames);
1269 pos += scnprintf(buf + pos, bufsz - pos,
1270 "filtered_frames:\t%u\t\t\t%u\n",
1271 le32_to_cpu(general->filtered_frames),
1272 accum_general->filtered_frames);
1273 pos += scnprintf(buf + pos, bufsz - pos,
1274 "non_channel_beacons:\t%u\t\t\t%u\n",
1275 le32_to_cpu(general->non_channel_beacons),
1276 accum_general->non_channel_beacons);
1277 pos += scnprintf(buf + pos, bufsz - pos,
1278 "channel_beacons:\t%u\t\t\t%u\n",
1279 le32_to_cpu(general->channel_beacons),
1280 accum_general->channel_beacons);
1281 pos += scnprintf(buf + pos, bufsz - pos,
1282 "num_missed_bcon:\t%u\t\t\t%u\n",
1283 le32_to_cpu(general->num_missed_bcon),
1284 accum_general->num_missed_bcon);
1285 pos += scnprintf(buf + pos, bufsz - pos,
1286 "adc_rx_saturation_time:\t%u\t\t\t%u\n",
1287 le32_to_cpu(general->adc_rx_saturation_time),
1288 accum_general->adc_rx_saturation_time);
1289 pos += scnprintf(buf + pos, bufsz - pos,
1290 "ina_detect_search_tm:\t%u\t\t\t%u\n",
1291 le32_to_cpu(general->ina_detection_search_time),
1292 accum_general->ina_detection_search_time);
1293 pos += scnprintf(buf + pos, bufsz - pos,
1294 "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
1295 le32_to_cpu(general->beacon_silence_rssi_a),
1296 accum_general->beacon_silence_rssi_a);
1297 pos += scnprintf(buf + pos, bufsz - pos,
1298 "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
1299 le32_to_cpu(general->beacon_silence_rssi_b),
1300 accum_general->beacon_silence_rssi_b);
1301 pos += scnprintf(buf + pos, bufsz - pos,
1302 "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
1303 le32_to_cpu(general->beacon_silence_rssi_c),
1304 accum_general->beacon_silence_rssi_c);
1305 pos += scnprintf(buf + pos, bufsz - pos,
1306 "interference_data_flag:\t%u\t\t\t%u\n",
1307 le32_to_cpu(general->interference_data_flag),
1308 accum_general->interference_data_flag);
1309 pos += scnprintf(buf + pos, bufsz - pos,
1310 "channel_load:\t\t%u\t\t\t%u\n",
1311 le32_to_cpu(general->channel_load),
1312 accum_general->channel_load);
1313 pos += scnprintf(buf + pos, bufsz - pos,
1314 "dsp_false_alarms:\t%u\t\t\t%u\n",
1315 le32_to_cpu(general->dsp_false_alarms),
1316 accum_general->dsp_false_alarms);
1317 pos += scnprintf(buf + pos, bufsz - pos,
1318 "beacon_rssi_a:\t\t%u\t\t\t%u\n",
1319 le32_to_cpu(general->beacon_rssi_a),
1320 accum_general->beacon_rssi_a);
1321 pos += scnprintf(buf + pos, bufsz - pos,
1322 "beacon_rssi_b:\t\t%u\t\t\t%u\n",
1323 le32_to_cpu(general->beacon_rssi_b),
1324 accum_general->beacon_rssi_b);
1325 pos += scnprintf(buf + pos, bufsz - pos,
1326 "beacon_rssi_c:\t\t%u\t\t\t%u\n",
1327 le32_to_cpu(general->beacon_rssi_c),
1328 accum_general->beacon_rssi_c);
1329 pos += scnprintf(buf + pos, bufsz - pos,
1330 "beacon_energy_a:\t%u\t\t\t%u\n",
1331 le32_to_cpu(general->beacon_energy_a),
1332 accum_general->beacon_energy_a);
1333 pos += scnprintf(buf + pos, bufsz - pos,
1334 "beacon_energy_b:\t%u\t\t\t%u\n",
1335 le32_to_cpu(general->beacon_energy_b),
1336 accum_general->beacon_energy_b);
1337 pos += scnprintf(buf + pos, bufsz - pos,
1338 "beacon_energy_c:\t%u\t\t\t%u\n",
1339 le32_to_cpu(general->beacon_energy_c),
1340 accum_general->beacon_energy_c);
1341
1342 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 "\t\t\tcurrent\t\t\taccumulative\n");
1345 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1346 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
1347 pos += scnprintf(buf + pos, bufsz - pos,
1348 "overrun_err:\t\t%u\t\t\t%u\n",
1349 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
1350 pos += scnprintf(buf + pos, bufsz - pos,
1351 "early_overrun_err:\t%u\t\t\t%u\n",
1352 le32_to_cpu(ht->early_overrun_err),
1353 accum_ht->early_overrun_err);
1354 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1355 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
1356 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1357 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
1358 pos += scnprintf(buf + pos, bufsz - pos,
1359 "mh_format_err:\t\t%u\t\t\t%u\n",
1360 le32_to_cpu(ht->mh_format_err),
1361 accum_ht->mh_format_err);
1362 pos += scnprintf(buf + pos, bufsz - pos,
1363 "agg_crc32_good:\t\t%u\t\t\t%u\n",
1364 le32_to_cpu(ht->agg_crc32_good),
1365 accum_ht->agg_crc32_good);
1366 pos += scnprintf(buf + pos, bufsz - pos,
1367 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
1368 le32_to_cpu(ht->agg_mpdu_cnt),
1369 accum_ht->agg_mpdu_cnt);
1370 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
1371 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
1372
1373 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1374 kfree(buf);
1375 return ret;
1376 }
1377
1378 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1379 char __user *user_buf,
1380 size_t count, loff_t *ppos)
1381 {
1382 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1383 int pos = 0;
1384 char *buf;
1385 int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1386 ssize_t ret;
1387 struct statistics_tx *tx, *accum_tx;
1388
1389 if (!iwl_is_alive(priv))
1390 return -EAGAIN;
1391
1392 /* make request to uCode to retrieve statistics information */
1393 mutex_lock(&priv->mutex);
1394 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1395 mutex_unlock(&priv->mutex);
1396
1397 if (ret) {
1398 IWL_ERR(priv,
1399 "Error sending statistics request: %zd\n", ret);
1400 return -EAGAIN;
1401 }
1402 buf = kzalloc(bufsz, GFP_KERNEL);
1403 if (!buf) {
1404 IWL_ERR(priv, "Can not allocate Buffer\n");
1405 return -ENOMEM;
1406 }
1407
1408 /* the statistic information display here is based on
1409 * the last statistics notification from uCode
1410 * might not reflect the current uCode activity
1411 */
1412 tx = &priv->statistics.tx;
1413 accum_tx = &priv->accum_statistics.tx;
1414 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1415 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1416 pos += scnprintf(buf + pos, bufsz - pos,
1417 "\t\t\tcurrent\t\t\taccumulative\n");
1418 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
1419 le32_to_cpu(tx->preamble_cnt),
1420 accum_tx->preamble_cnt);
1421 pos += scnprintf(buf + pos, bufsz - pos,
1422 "rx_detected_cnt:\t\t%u\t\t\t%u\n",
1423 le32_to_cpu(tx->rx_detected_cnt),
1424 accum_tx->rx_detected_cnt);
1425 pos += scnprintf(buf + pos, bufsz - pos,
1426 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
1427 le32_to_cpu(tx->bt_prio_defer_cnt),
1428 accum_tx->bt_prio_defer_cnt);
1429 pos += scnprintf(buf + pos, bufsz - pos,
1430 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
1431 le32_to_cpu(tx->bt_prio_kill_cnt),
1432 accum_tx->bt_prio_kill_cnt);
1433 pos += scnprintf(buf + pos, bufsz - pos,
1434 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
1435 le32_to_cpu(tx->few_bytes_cnt),
1436 accum_tx->few_bytes_cnt);
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 "cts_timeout:\t\t\t%u\t\t\t%u\n",
1439 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
1440 pos += scnprintf(buf + pos, bufsz - pos,
1441 "ack_timeout:\t\t\t%u\t\t\t%u\n",
1442 le32_to_cpu(tx->ack_timeout),
1443 accum_tx->ack_timeout);
1444 pos += scnprintf(buf + pos, bufsz - pos,
1445 "expected_ack_cnt:\t\t%u\t\t\t%u\n",
1446 le32_to_cpu(tx->expected_ack_cnt),
1447 accum_tx->expected_ack_cnt);
1448 pos += scnprintf(buf + pos, bufsz - pos,
1449 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
1450 le32_to_cpu(tx->actual_ack_cnt),
1451 accum_tx->actual_ack_cnt);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
1454 le32_to_cpu(tx->dump_msdu_cnt),
1455 accum_tx->dump_msdu_cnt);
1456 pos += scnprintf(buf + pos, bufsz - pos,
1457 "abort_nxt_frame_mismatch:"
1458 "\t%u\t\t\t%u\n",
1459 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1460 accum_tx->burst_abort_next_frame_mismatch_cnt);
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 "abort_missing_nxt_frame:"
1463 "\t%u\t\t\t%u\n",
1464 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1465 accum_tx->burst_abort_missing_next_frame_cnt);
1466 pos += scnprintf(buf + pos, bufsz - pos,
1467 "cts_timeout_collision:\t\t%u\t\t\t%u\n",
1468 le32_to_cpu(tx->cts_timeout_collision),
1469 accum_tx->cts_timeout_collision);
1470 pos += scnprintf(buf + pos, bufsz - pos,
1471 "ack_ba_timeout_collision:\t%u\t\t\t%u\n",
1472 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1473 accum_tx->ack_or_ba_timeout_collision);
1474 pos += scnprintf(buf + pos, bufsz - pos,
1475 "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
1476 le32_to_cpu(tx->agg.ba_timeout),
1477 accum_tx->agg.ba_timeout);
1478 pos += scnprintf(buf + pos, bufsz - pos,
1479 "agg ba_resched_frames:\t\t%u\t\t\t%u\n",
1480 le32_to_cpu(tx->agg.ba_reschedule_frames),
1481 accum_tx->agg.ba_reschedule_frames);
1482 pos += scnprintf(buf + pos, bufsz - pos,
1483 "agg scd_query_agg_frame:\t%u\t\t\t%u\n",
1484 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1485 accum_tx->agg.scd_query_agg_frame_cnt);
1486 pos += scnprintf(buf + pos, bufsz - pos,
1487 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
1488 le32_to_cpu(tx->agg.scd_query_no_agg),
1489 accum_tx->agg.scd_query_no_agg);
1490 pos += scnprintf(buf + pos, bufsz - pos,
1491 "agg scd_query_agg:\t\t%u\t\t\t%u\n",
1492 le32_to_cpu(tx->agg.scd_query_agg),
1493 accum_tx->agg.scd_query_agg);
1494 pos += scnprintf(buf + pos, bufsz - pos,
1495 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
1496 le32_to_cpu(tx->agg.scd_query_mismatch),
1497 accum_tx->agg.scd_query_mismatch);
1498 pos += scnprintf(buf + pos, bufsz - pos,
1499 "agg frame_not_ready:\t\t%u\t\t\t%u\n",
1500 le32_to_cpu(tx->agg.frame_not_ready),
1501 accum_tx->agg.frame_not_ready);
1502 pos += scnprintf(buf + pos, bufsz - pos,
1503 "agg underrun:\t\t\t%u\t\t\t%u\n",
1504 le32_to_cpu(tx->agg.underrun),
1505 accum_tx->agg.underrun);
1506 pos += scnprintf(buf + pos, bufsz - pos,
1507 "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
1508 le32_to_cpu(tx->agg.bt_prio_kill),
1509 accum_tx->agg.bt_prio_kill);
1510 pos += scnprintf(buf + pos, bufsz - pos,
1511 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
1512 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1513 accum_tx->agg.rx_ba_rsp_cnt);
1514
1515 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1516 kfree(buf);
1517 return ret;
1518 }
1519
1520 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1521 char __user *user_buf,
1522 size_t count, loff_t *ppos)
1523 {
1524 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1525 int pos = 0;
1526 char *buf;
1527 int bufsz = sizeof(struct statistics_general) * 4 + 250;
1528 ssize_t ret;
1529 struct statistics_general *general, *accum_general;
1530 struct statistics_dbg *dbg, *accum_dbg;
1531 struct statistics_div *div, *accum_div;
1532
1533 if (!iwl_is_alive(priv))
1534 return -EAGAIN;
1535
1536 /* make request to uCode to retrieve statistics information */
1537 mutex_lock(&priv->mutex);
1538 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1539 mutex_unlock(&priv->mutex);
1540
1541 if (ret) {
1542 IWL_ERR(priv,
1543 "Error sending statistics request: %zd\n", ret);
1544 return -EAGAIN;
1545 }
1546 buf = kzalloc(bufsz, GFP_KERNEL);
1547 if (!buf) {
1548 IWL_ERR(priv, "Can not allocate Buffer\n");
1549 return -ENOMEM;
1550 }
1551
1552 /* the statistic information display here is based on
1553 * the last statistics notification from uCode
1554 * might not reflect the current uCode activity
1555 */
1556 general = &priv->statistics.general;
1557 dbg = &priv->statistics.general.dbg;
1558 div = &priv->statistics.general.div;
1559 accum_general = &priv->accum_statistics.general;
1560 accum_dbg = &priv->accum_statistics.general.dbg;
1561 accum_div = &priv->accum_statistics.general.div;
1562 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1563 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1564 pos += scnprintf(buf + pos, bufsz - pos,
1565 "\t\t\tcurrent\t\t\taccumulative\n");
1566 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
1567 le32_to_cpu(general->temperature));
1568 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
1569 le32_to_cpu(general->temperature_m));
1570 pos += scnprintf(buf + pos, bufsz - pos,
1571 "burst_check:\t\t\t%u\t\t\t%u\n",
1572 le32_to_cpu(dbg->burst_check),
1573 accum_dbg->burst_check);
1574 pos += scnprintf(buf + pos, bufsz - pos,
1575 "burst_count:\t\t\t%u\t\t\t%u\n",
1576 le32_to_cpu(dbg->burst_count),
1577 accum_dbg->burst_count);
1578 pos += scnprintf(buf + pos, bufsz - pos,
1579 "sleep_time:\t\t\t%u\t\t\t%u\n",
1580 le32_to_cpu(general->sleep_time),
1581 accum_general->sleep_time);
1582 pos += scnprintf(buf + pos, bufsz - pos,
1583 "slots_out:\t\t\t%u\t\t\t%u\n",
1584 le32_to_cpu(general->slots_out),
1585 accum_general->slots_out);
1586 pos += scnprintf(buf + pos, bufsz - pos,
1587 "slots_idle:\t\t\t%u\t\t\t%u\n",
1588 le32_to_cpu(general->slots_idle),
1589 accum_general->slots_idle);
1590 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1591 le32_to_cpu(general->ttl_timestamp));
1592 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
1593 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
1594 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
1595 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
1596 pos += scnprintf(buf + pos, bufsz - pos,
1597 "exec_time:\t\t\t%u\t\t\t%u\n",
1598 le32_to_cpu(div->exec_time), accum_div->exec_time);
1599 pos += scnprintf(buf + pos, bufsz - pos,
1600 "probe_time:\t\t\t%u\t\t\t%u\n",
1601 le32_to_cpu(div->probe_time), accum_div->probe_time);
1602 pos += scnprintf(buf + pos, bufsz - pos,
1603 "rx_enable_counter:\t\t%u\t\t\t%u\n",
1604 le32_to_cpu(general->rx_enable_counter),
1605 accum_general->rx_enable_counter);
1606 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1607 kfree(buf);
1608 return ret;
1609 }
1610
1611 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1612 char __user *user_buf,
1613 size_t count, loff_t *ppos) {
1614
1615 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1616 int pos = 0;
1617 int cnt = 0;
1618 char *buf;
1619 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1620 ssize_t ret;
1621 struct iwl_sensitivity_data *data;
1622
1623 data = &priv->sensitivity_data;
1624 buf = kzalloc(bufsz, GFP_KERNEL);
1625 if (!buf) {
1626 IWL_ERR(priv, "Can not allocate Buffer\n");
1627 return -ENOMEM;
1628 }
1629
1630 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1631 data->auto_corr_ofdm);
1632 pos += scnprintf(buf + pos, bufsz - pos,
1633 "auto_corr_ofdm_mrc:\t\t %u\n",
1634 data->auto_corr_ofdm_mrc);
1635 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1636 data->auto_corr_ofdm_x1);
1637 pos += scnprintf(buf + pos, bufsz - pos,
1638 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1639 data->auto_corr_ofdm_mrc_x1);
1640 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1641 data->auto_corr_cck);
1642 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1643 data->auto_corr_cck_mrc);
1644 pos += scnprintf(buf + pos, bufsz - pos,
1645 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1646 data->last_bad_plcp_cnt_ofdm);
1647 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1648 data->last_fa_cnt_ofdm);
1649 pos += scnprintf(buf + pos, bufsz - pos,
1650 "last_bad_plcp_cnt_cck:\t\t %u\n",
1651 data->last_bad_plcp_cnt_cck);
1652 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1653 data->last_fa_cnt_cck);
1654 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1655 data->nrg_curr_state);
1656 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1657 data->nrg_prev_state);
1658 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1659 for (cnt = 0; cnt < 10; cnt++) {
1660 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1661 data->nrg_value[cnt]);
1662 }
1663 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1664 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1665 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1666 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1667 data->nrg_silence_rssi[cnt]);
1668 }
1669 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1670 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1671 data->nrg_silence_ref);
1672 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1673 data->nrg_energy_idx);
1674 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1675 data->nrg_silence_idx);
1676 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1677 data->nrg_th_cck);
1678 pos += scnprintf(buf + pos, bufsz - pos,
1679 "nrg_auto_corr_silence_diff:\t %u\n",
1680 data->nrg_auto_corr_silence_diff);
1681 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1682 data->num_in_cck_no_fa);
1683 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1684 data->nrg_th_ofdm);
1685
1686 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687 kfree(buf);
1688 return ret;
1689 }
1690
1691
1692 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1693 char __user *user_buf,
1694 size_t count, loff_t *ppos) {
1695
1696 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1697 int pos = 0;
1698 int cnt = 0;
1699 char *buf;
1700 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1701 ssize_t ret;
1702 struct iwl_chain_noise_data *data;
1703
1704 data = &priv->chain_noise_data;
1705 buf = kzalloc(bufsz, GFP_KERNEL);
1706 if (!buf) {
1707 IWL_ERR(priv, "Can not allocate Buffer\n");
1708 return -ENOMEM;
1709 }
1710
1711 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1712 data->active_chains);
1713 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1714 data->chain_noise_a);
1715 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1716 data->chain_noise_b);
1717 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1718 data->chain_noise_c);
1719 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1720 data->chain_signal_a);
1721 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1722 data->chain_signal_b);
1723 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1724 data->chain_signal_c);
1725 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1726 data->beacon_count);
1727
1728 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1729 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1730 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1731 data->disconn_array[cnt]);
1732 }
1733 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1734 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1735 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1736 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1737 data->delta_gain_code[cnt]);
1738 }
1739 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1740 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1741 data->radio_write);
1742 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1743 data->state);
1744
1745 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1746 kfree(buf);
1747 return ret;
1748 }
1749
1750 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1751 char __user *user_buf,
1752 size_t count, loff_t *ppos) {
1753
1754 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1755 char buf[128];
1756 int pos = 0;
1757 ssize_t ret;
1758 const size_t bufsz = sizeof(buf);
1759 struct statistics_tx *tx;
1760
1761 if (!iwl_is_alive(priv))
1762 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1763 else {
1764 /* make request to uCode to retrieve statistics information */
1765 mutex_lock(&priv->mutex);
1766 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1767 mutex_unlock(&priv->mutex);
1768
1769 if (ret) {
1770 IWL_ERR(priv, "Error sending statistics request: %zd\n",
1771 ret);
1772 return -EAGAIN;
1773 }
1774 tx = &priv->statistics.tx;
1775 if (tx->tx_power.ant_a ||
1776 tx->tx_power.ant_b ||
1777 tx->tx_power.ant_c) {
1778 pos += scnprintf(buf + pos, bufsz - pos,
1779 "tx power: (1/2 dB step)\n");
1780 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1781 tx->tx_power.ant_a)
1782 pos += scnprintf(buf + pos, bufsz - pos,
1783 "\tantenna A: 0x%X\n",
1784 tx->tx_power.ant_a);
1785 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1786 tx->tx_power.ant_b)
1787 pos += scnprintf(buf + pos, bufsz - pos,
1788 "\tantenna B: 0x%X\n",
1789 tx->tx_power.ant_b);
1790 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1791 tx->tx_power.ant_c)
1792 pos += scnprintf(buf + pos, bufsz - pos,
1793 "\tantenna C: 0x%X\n",
1794 tx->tx_power.ant_c);
1795 } else
1796 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1797 }
1798 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1799 }
1800
1801 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1802 char __user *user_buf,
1803 size_t count, loff_t *ppos)
1804 {
1805 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1806 char buf[60];
1807 int pos = 0;
1808 const size_t bufsz = sizeof(buf);
1809 u32 pwrsave_status;
1810
1811 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1812 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1813
1814 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1815 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1816 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1817 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1818 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1819 "error");
1820
1821 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1822 }
1823
1824 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1825 const char __user *user_buf,
1826 size_t count, loff_t *ppos)
1827 {
1828 struct iwl_priv *priv = file->private_data;
1829 char buf[8];
1830 int buf_size;
1831 int clear;
1832
1833 memset(buf, 0, sizeof(buf));
1834 buf_size = min(count, sizeof(buf) - 1);
1835 if (copy_from_user(buf, user_buf, buf_size))
1836 return -EFAULT;
1837 if (sscanf(buf, "%d", &clear) != 1)
1838 return -EFAULT;
1839
1840 /* make request to uCode to retrieve statistics information */
1841 mutex_lock(&priv->mutex);
1842 iwl_send_statistics_request(priv, CMD_SYNC, true);
1843 mutex_unlock(&priv->mutex);
1844
1845 return count;
1846 }
1847
1848 DEBUGFS_READ_FILE_OPS(rx_statistics);
1849 DEBUGFS_READ_FILE_OPS(tx_statistics);
1850 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1851 DEBUGFS_READ_FILE_OPS(rx_queue);
1852 DEBUGFS_READ_FILE_OPS(tx_queue);
1853 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1854 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1855 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1856 DEBUGFS_READ_FILE_OPS(sensitivity);
1857 DEBUGFS_READ_FILE_OPS(chain_noise);
1858 DEBUGFS_READ_FILE_OPS(tx_power);
1859 DEBUGFS_READ_FILE_OPS(power_save_status);
1860 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1861 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1862
1863 /*
1864 * Create the debugfs files and directories
1865 *
1866 */
1867 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1868 {
1869 struct iwl_debugfs *dbgfs;
1870 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1871 int ret = 0;
1872
1873 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1874 if (!dbgfs) {
1875 ret = -ENOMEM;
1876 goto err;
1877 }
1878
1879 priv->dbgfs = dbgfs;
1880 dbgfs->name = name;
1881 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1882 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1883 ret = -ENOENT;
1884 goto err;
1885 }
1886
1887 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1888 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1889 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1890 DEBUGFS_ADD_FILE(nvm, data, S_IRUSR);
1891 DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR);
1892 DEBUGFS_ADD_FILE(log_event, data, S_IWUSR);
1893 DEBUGFS_ADD_FILE(stations, data, S_IRUSR);
1894 DEBUGFS_ADD_FILE(channels, data, S_IRUSR);
1895 DEBUGFS_ADD_FILE(status, data, S_IRUSR);
1896 DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR);
1897 DEBUGFS_ADD_FILE(qos, data, S_IRUSR);
1898 DEBUGFS_ADD_FILE(led, data, S_IRUSR);
1899 DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR);
1900 DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR);
1901 DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR);
1902 DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR);
1903 DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR);
1904 DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR);
1905 DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR);
1906 DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR);
1907 DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR);
1908 DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR);
1909 DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR);
1910 DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR);
1911 DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR);
1912 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1913 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR);
1914 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR);
1915 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR);
1916 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR);
1917 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR);
1918 }
1919 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
1920 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
1921 &priv->disable_chain_noise_cal);
1922 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1923 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1924 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
1925 &priv->disable_tx_power_cal);
1926 return 0;
1927
1928 err:
1929 IWL_ERR(priv, "Can't open the debugfs directory\n");
1930 iwl_dbgfs_unregister(priv);
1931 return ret;
1932 }
1933 EXPORT_SYMBOL(iwl_dbgfs_register);
1934
1935 /**
1936 * Remove the debugfs files and directories
1937 *
1938 */
1939 void iwl_dbgfs_unregister(struct iwl_priv *priv)
1940 {
1941 if (!priv->dbgfs)
1942 return;
1943
1944 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
1945 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
1946 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
1947 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
1948 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
1949 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
1950 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
1951 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
1952 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
1953 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
1954 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
1955 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
1956 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
1957 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
1958 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
1959 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
1960 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
1961 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
1962 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
1963 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
1964 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
1965 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1966 file_clear_ucode_statistics);
1967 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1968 file_clear_traffic_statistics);
1969 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
1970 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1971 file_ucode_rx_stats);
1972 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1973 file_ucode_tx_stats);
1974 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1975 file_ucode_general_stats);
1976 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1977 file_sensitivity);
1978 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
1979 file_chain_noise);
1980 }
1981 DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
1982 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
1983 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
1984 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
1985 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
1986 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
1987 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
1988 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
1989 kfree(priv->dbgfs);
1990 priv->dbgfs = NULL;
1991 }
1992 EXPORT_SYMBOL(iwl_dbgfs_unregister);
1993
1994
1995
Linux kernel - Deliverables
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