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iwlwifi: ucode statistics data structure update
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
blob510bad918f20917502937430449abe92e7ca0339
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_read(struct file *file,
424 char __user *user_buf,
425 size_t count, loff_t *ppos)
426 {
427 struct iwl_priv *priv = file->private_data;
428 char *buf;
429 int pos = 0;
430 ssize_t ret = -ENOMEM;
431
432 pos = priv->cfg->ops->lib->dump_nic_event_log(priv, true, &buf, true);
433 if (pos && buf) {
434 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
435 kfree(buf);
436 }
437 return ret;
438 }
439
440 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
441 const char __user *user_buf,
442 size_t count, loff_t *ppos)
443 {
444 struct iwl_priv *priv = file->private_data;
445 u32 event_log_flag;
446 char buf[8];
447 int buf_size;
448
449 memset(buf, 0, sizeof(buf));
450 buf_size = min(count, sizeof(buf) - 1);
451 if (copy_from_user(buf, user_buf, buf_size))
452 return -EFAULT;
453 if (sscanf(buf, "%d", &event_log_flag) != 1)
454 return -EFAULT;
455 if (event_log_flag == 1)
456 priv->cfg->ops->lib->dump_nic_event_log(priv, true,
457 NULL, false);
458
459 return count;
460 }
461
462
463
464 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
465 size_t count, loff_t *ppos)
466 {
467 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
468 struct ieee80211_channel *channels = NULL;
469 const struct ieee80211_supported_band *supp_band = NULL;
470 int pos = 0, i, bufsz = PAGE_SIZE;
471 char *buf;
472 ssize_t ret;
473
474 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
475 return -EAGAIN;
476
477 buf = kzalloc(bufsz, GFP_KERNEL);
478 if (!buf) {
479 IWL_ERR(priv, "Can not allocate Buffer\n");
480 return -ENOMEM;
481 }
482
483 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
484 if (supp_band) {
485 channels = supp_band->channels;
486
487 pos += scnprintf(buf + pos, bufsz - pos,
488 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
489 supp_band->n_channels);
490
491 for (i = 0; i < supp_band->n_channels; i++)
492 pos += scnprintf(buf + pos, bufsz - pos,
493 "%d: %ddBm: BSS%s%s, %s.\n",
494 ieee80211_frequency_to_channel(
495 channels[i].center_freq),
496 channels[i].max_power,
497 channels[i].flags & IEEE80211_CHAN_RADAR ?
498 " (IEEE 802.11h required)" : "",
499 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
500 || (channels[i].flags &
501 IEEE80211_CHAN_RADAR)) ? "" :
502 ", IBSS",
503 channels[i].flags &
504 IEEE80211_CHAN_PASSIVE_SCAN ?
505 "passive only" : "active/passive");
506 }
507 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
508 if (supp_band) {
509 channels = supp_band->channels;
510
511 pos += scnprintf(buf + pos, bufsz - pos,
512 "Displaying %d channels in 5.2GHz band (802.11a)\n",
513 supp_band->n_channels);
514
515 for (i = 0; i < supp_band->n_channels; i++)
516 pos += scnprintf(buf + pos, bufsz - pos,
517 "%d: %ddBm: BSS%s%s, %s.\n",
518 ieee80211_frequency_to_channel(
519 channels[i].center_freq),
520 channels[i].max_power,
521 channels[i].flags & IEEE80211_CHAN_RADAR ?
522 " (IEEE 802.11h required)" : "",
523 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
524 || (channels[i].flags &
525 IEEE80211_CHAN_RADAR)) ? "" :
526 ", IBSS",
527 channels[i].flags &
528 IEEE80211_CHAN_PASSIVE_SCAN ?
529 "passive only" : "active/passive");
530 }
531 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
532 kfree(buf);
533 return ret;
534 }
535
536 static ssize_t iwl_dbgfs_status_read(struct file *file,
537 char __user *user_buf,
538 size_t count, loff_t *ppos) {
539
540 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
541 char buf[512];
542 int pos = 0;
543 const size_t bufsz = sizeof(buf);
544
545 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
546 test_bit(STATUS_HCMD_ACTIVE, &priv->status));
547 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
548 test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
549 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
550 test_bit(STATUS_INT_ENABLED, &priv->status));
551 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
552 test_bit(STATUS_RF_KILL_HW, &priv->status));
553 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
554 test_bit(STATUS_CT_KILL, &priv->status));
555 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
556 test_bit(STATUS_INIT, &priv->status));
557 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
558 test_bit(STATUS_ALIVE, &priv->status));
559 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
560 test_bit(STATUS_READY, &priv->status));
561 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
562 test_bit(STATUS_TEMPERATURE, &priv->status));
563 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
564 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
565 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
566 test_bit(STATUS_EXIT_PENDING, &priv->status));
567 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
568 test_bit(STATUS_STATISTICS, &priv->status));
569 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
570 test_bit(STATUS_SCANNING, &priv->status));
571 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
572 test_bit(STATUS_SCAN_ABORTING, &priv->status));
573 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
574 test_bit(STATUS_SCAN_HW, &priv->status));
575 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
576 test_bit(STATUS_POWER_PMI, &priv->status));
577 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
578 test_bit(STATUS_FW_ERROR, &priv->status));
579 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
580 test_bit(STATUS_MODE_PENDING, &priv->status));
581 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
582 }
583
584 static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
585 char __user *user_buf,
586 size_t count, loff_t *ppos) {
587
588 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
589 int pos = 0;
590 int cnt = 0;
591 char *buf;
592 int bufsz = 24 * 64; /* 24 items * 64 char per item */
593 ssize_t ret;
594
595 buf = kzalloc(bufsz, GFP_KERNEL);
596 if (!buf) {
597 IWL_ERR(priv, "Can not allocate Buffer\n");
598 return -ENOMEM;
599 }
600
601 pos += scnprintf(buf + pos, bufsz - pos,
602 "Interrupt Statistics Report:\n");
603
604 pos += scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
605 priv->isr_stats.hw);
606 pos += scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
607 priv->isr_stats.sw);
608 if (priv->isr_stats.sw > 0) {
609 pos += scnprintf(buf + pos, bufsz - pos,
610 "\tLast Restarting Code: 0x%X\n",
611 priv->isr_stats.sw_err);
612 }
613 #ifdef CONFIG_IWLWIFI_DEBUG
614 pos += scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
615 priv->isr_stats.sch);
616 pos += scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
617 priv->isr_stats.alive);
618 #endif
619 pos += scnprintf(buf + pos, bufsz - pos,
620 "HW RF KILL switch toggled:\t %u\n",
621 priv->isr_stats.rfkill);
622
623 pos += scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
624 priv->isr_stats.ctkill);
625
626 pos += scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
627 priv->isr_stats.wakeup);
628
629 pos += scnprintf(buf + pos, bufsz - pos,
630 "Rx command responses:\t\t %u\n",
631 priv->isr_stats.rx);
632 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
633 if (priv->isr_stats.rx_handlers[cnt] > 0)
634 pos += scnprintf(buf + pos, bufsz - pos,
635 "\tRx handler[%36s]:\t\t %u\n",
636 get_cmd_string(cnt),
637 priv->isr_stats.rx_handlers[cnt]);
638 }
639
640 pos += scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
641 priv->isr_stats.tx);
642
643 pos += scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
644 priv->isr_stats.unhandled);
645
646 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
647 kfree(buf);
648 return ret;
649 }
650
651 static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
652 const char __user *user_buf,
653 size_t count, loff_t *ppos)
654 {
655 struct iwl_priv *priv = file->private_data;
656 char buf[8];
657 int buf_size;
658 u32 reset_flag;
659
660 memset(buf, 0, sizeof(buf));
661 buf_size = min(count, sizeof(buf) - 1);
662 if (copy_from_user(buf, user_buf, buf_size))
663 return -EFAULT;
664 if (sscanf(buf, "%x", &reset_flag) != 1)
665 return -EFAULT;
666 if (reset_flag == 0)
667 iwl_clear_isr_stats(priv);
668
669 return count;
670 }
671
672 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
673 size_t count, loff_t *ppos)
674 {
675 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
676 int pos = 0, i;
677 char buf[256];
678 const size_t bufsz = sizeof(buf);
679 ssize_t ret;
680
681 for (i = 0; i < AC_NUM; i++) {
682 pos += scnprintf(buf + pos, bufsz - pos,
683 "\tcw_min\tcw_max\taifsn\ttxop\n");
684 pos += scnprintf(buf + pos, bufsz - pos,
685 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
686 priv->qos_data.def_qos_parm.ac[i].cw_min,
687 priv->qos_data.def_qos_parm.ac[i].cw_max,
688 priv->qos_data.def_qos_parm.ac[i].aifsn,
689 priv->qos_data.def_qos_parm.ac[i].edca_txop);
690 }
691 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
692 return ret;
693 }
694
695 static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
696 size_t count, loff_t *ppos)
697 {
698 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
699 int pos = 0;
700 char buf[256];
701 const size_t bufsz = sizeof(buf);
702 ssize_t ret;
703
704 pos += scnprintf(buf + pos, bufsz - pos,
705 "allow blinking: %s\n",
706 (priv->allow_blinking) ? "True" : "False");
707 if (priv->allow_blinking) {
708 pos += scnprintf(buf + pos, bufsz - pos,
709 "Led blinking rate: %u\n",
710 priv->last_blink_rate);
711 pos += scnprintf(buf + pos, bufsz - pos,
712 "Last blink time: %lu\n",
713 priv->last_blink_time);
714 }
715
716 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
717 return ret;
718 }
719
720 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
721 char __user *user_buf,
722 size_t count, loff_t *ppos)
723 {
724 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
725 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
726 struct iwl_tt_restriction *restriction;
727 char buf[100];
728 int pos = 0;
729 const size_t bufsz = sizeof(buf);
730 ssize_t ret;
731
732 pos += scnprintf(buf + pos, bufsz - pos,
733 "Thermal Throttling Mode: %s\n",
734 tt->advanced_tt ? "Advance" : "Legacy");
735 pos += scnprintf(buf + pos, bufsz - pos,
736 "Thermal Throttling State: %d\n",
737 tt->state);
738 if (tt->advanced_tt) {
739 restriction = tt->restriction + tt->state;
740 pos += scnprintf(buf + pos, bufsz - pos,
741 "Tx mode: %d\n",
742 restriction->tx_stream);
743 pos += scnprintf(buf + pos, bufsz - pos,
744 "Rx mode: %d\n",
745 restriction->rx_stream);
746 pos += scnprintf(buf + pos, bufsz - pos,
747 "HT mode: %d\n",
748 restriction->is_ht);
749 }
750 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
751 return ret;
752 }
753
754 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
755 const char __user *user_buf,
756 size_t count, loff_t *ppos)
757 {
758 struct iwl_priv *priv = file->private_data;
759 char buf[8];
760 int buf_size;
761 int ht40;
762
763 memset(buf, 0, sizeof(buf));
764 buf_size = min(count, sizeof(buf) - 1);
765 if (copy_from_user(buf, user_buf, buf_size))
766 return -EFAULT;
767 if (sscanf(buf, "%d", &ht40) != 1)
768 return -EFAULT;
769 if (!iwl_is_associated(priv))
770 priv->disable_ht40 = ht40 ? true : false;
771 else {
772 IWL_ERR(priv, "Sta associated with AP - "
773 "Change to 40MHz channel support is not allowed\n");
774 return -EINVAL;
775 }
776
777 return count;
778 }
779
780 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
781 char __user *user_buf,
782 size_t count, loff_t *ppos)
783 {
784 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
785 char buf[100];
786 int pos = 0;
787 const size_t bufsz = sizeof(buf);
788 ssize_t ret;
789
790 pos += scnprintf(buf + pos, bufsz - pos,
791 "11n 40MHz Mode: %s\n",
792 priv->disable_ht40 ? "Disabled" : "Enabled");
793 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
794 return ret;
795 }
796
797 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
798 const char __user *user_buf,
799 size_t count, loff_t *ppos)
800 {
801 struct iwl_priv *priv = file->private_data;
802 char buf[8];
803 int buf_size;
804 int value;
805
806 memset(buf, 0, sizeof(buf));
807 buf_size = min(count, sizeof(buf) - 1);
808 if (copy_from_user(buf, user_buf, buf_size))
809 return -EFAULT;
810
811 if (sscanf(buf, "%d", &value) != 1)
812 return -EINVAL;
813
814 /*
815 * Our users expect 0 to be "CAM", but 0 isn't actually
816 * valid here. However, let's not confuse them and present
817 * IWL_POWER_INDEX_1 as "1", not "0".
818 */
819 if (value == 0)
820 return -EINVAL;
821 else if (value > 0)
822 value -= 1;
823
824 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
825 return -EINVAL;
826
827 if (!iwl_is_ready_rf(priv))
828 return -EAGAIN;
829
830 priv->power_data.debug_sleep_level_override = value;
831
832 iwl_power_update_mode(priv, true);
833
834 return count;
835 }
836
837 static ssize_t iwl_dbgfs_sleep_level_override_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[10];
843 int pos, value;
844 const size_t bufsz = sizeof(buf);
845
846 /* see the write function */
847 value = priv->power_data.debug_sleep_level_override;
848 if (value >= 0)
849 value += 1;
850
851 pos = scnprintf(buf, bufsz, "%d\n", value);
852 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
853 }
854
855 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
856 char __user *user_buf,
857 size_t count, loff_t *ppos)
858 {
859 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
860 char buf[200];
861 int pos = 0, i;
862 const size_t bufsz = sizeof(buf);
863 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
864
865 pos += scnprintf(buf + pos, bufsz - pos,
866 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
867 pos += scnprintf(buf + pos, bufsz - pos,
868 "RX/TX timeout: %d/%d usec\n",
869 le32_to_cpu(cmd->rx_data_timeout),
870 le32_to_cpu(cmd->tx_data_timeout));
871 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
872 pos += scnprintf(buf + pos, bufsz - pos,
873 "sleep_interval[%d]: %d\n", i,
874 le32_to_cpu(cmd->sleep_interval[i]));
875
876 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
877 }
878
879 DEBUGFS_READ_WRITE_FILE_OPS(sram);
880 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
881 DEBUGFS_READ_FILE_OPS(nvm);
882 DEBUGFS_READ_FILE_OPS(stations);
883 DEBUGFS_READ_FILE_OPS(channels);
884 DEBUGFS_READ_FILE_OPS(status);
885 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
886 DEBUGFS_READ_FILE_OPS(qos);
887 DEBUGFS_READ_FILE_OPS(led);
888 DEBUGFS_READ_FILE_OPS(thermal_throttling);
889 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
890 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
891 DEBUGFS_READ_FILE_OPS(current_sleep_command);
892
893 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
894 char __user *user_buf,
895 size_t count, loff_t *ppos)
896 {
897 struct iwl_priv *priv = file->private_data;
898 int pos = 0, ofs = 0;
899 int cnt = 0, entry;
900 struct iwl_tx_queue *txq;
901 struct iwl_queue *q;
902 struct iwl_rx_queue *rxq = &priv->rxq;
903 char *buf;
904 int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
905 (priv->cfg->num_of_queues * 32 * 8) + 400;
906 const u8 *ptr;
907 ssize_t ret;
908
909 if (!priv->txq) {
910 IWL_ERR(priv, "txq not ready\n");
911 return -EAGAIN;
912 }
913 buf = kzalloc(bufsz, GFP_KERNEL);
914 if (!buf) {
915 IWL_ERR(priv, "Can not allocate buffer\n");
916 return -ENOMEM;
917 }
918 pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
919 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
920 txq = &priv->txq[cnt];
921 q = &txq->q;
922 pos += scnprintf(buf + pos, bufsz - pos,
923 "q[%d]: read_ptr: %u, write_ptr: %u\n",
924 cnt, q->read_ptr, q->write_ptr);
925 }
926 if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
927 ptr = priv->tx_traffic;
928 pos += scnprintf(buf + pos, bufsz - pos,
929 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
930 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
931 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
932 entry++, ofs += 16) {
933 pos += scnprintf(buf + pos, bufsz - pos,
934 "0x%.4x ", ofs);
935 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
936 buf + pos, bufsz - pos, 0);
937 pos += strlen(buf + pos);
938 if (bufsz - pos > 0)
939 buf[pos++] = '\n';
940 }
941 }
942 }
943
944 pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
945 pos += scnprintf(buf + pos, bufsz - pos,
946 "read: %u, write: %u\n",
947 rxq->read, rxq->write);
948
949 if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
950 ptr = priv->rx_traffic;
951 pos += scnprintf(buf + pos, bufsz - pos,
952 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
953 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
954 for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
955 entry++, ofs += 16) {
956 pos += scnprintf(buf + pos, bufsz - pos,
957 "0x%.4x ", ofs);
958 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
959 buf + pos, bufsz - pos, 0);
960 pos += strlen(buf + pos);
961 if (bufsz - pos > 0)
962 buf[pos++] = '\n';
963 }
964 }
965 }
966
967 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
968 kfree(buf);
969 return ret;
970 }
971
972 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
973 const char __user *user_buf,
974 size_t count, loff_t *ppos)
975 {
976 struct iwl_priv *priv = file->private_data;
977 char buf[8];
978 int buf_size;
979 int traffic_log;
980
981 memset(buf, 0, sizeof(buf));
982 buf_size = min(count, sizeof(buf) - 1);
983 if (copy_from_user(buf, user_buf, buf_size))
984 return -EFAULT;
985 if (sscanf(buf, "%d", &traffic_log) != 1)
986 return -EFAULT;
987 if (traffic_log == 0)
988 iwl_reset_traffic_log(priv);
989
990 return count;
991 }
992
993 static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
994 char __user *user_buf,
995 size_t count, loff_t *ppos) {
996
997 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
998 struct iwl_tx_queue *txq;
999 struct iwl_queue *q;
1000 char *buf;
1001 int pos = 0;
1002 int cnt;
1003 int ret;
1004 const size_t bufsz = sizeof(char) * 64 * priv->cfg->num_of_queues;
1005
1006 if (!priv->txq) {
1007 IWL_ERR(priv, "txq not ready\n");
1008 return -EAGAIN;
1009 }
1010 buf = kzalloc(bufsz, GFP_KERNEL);
1011 if (!buf)
1012 return -ENOMEM;
1013
1014 for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
1015 txq = &priv->txq[cnt];
1016 q = &txq->q;
1017 pos += scnprintf(buf + pos, bufsz - pos,
1018 "hwq %.2d: read=%u write=%u stop=%d"
1019 " swq_id=%#.2x (ac %d/hwq %d)\n",
1020 cnt, q->read_ptr, q->write_ptr,
1021 !!test_bit(cnt, priv->queue_stopped),
1022 txq->swq_id,
1023 txq->swq_id & 0x80 ? txq->swq_id & 3 :
1024 txq->swq_id,
1025 txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
1026 0x1f : txq->swq_id);
1027 if (cnt >= 4)
1028 continue;
1029 /* for the ACs, display the stop count too */
1030 pos += scnprintf(buf + pos, bufsz - pos,
1031 " stop-count: %d\n",
1032 atomic_read(&priv->queue_stop_count[cnt]));
1033 }
1034 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1035 kfree(buf);
1036 return ret;
1037 }
1038
1039 static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
1040 char __user *user_buf,
1041 size_t count, loff_t *ppos) {
1042
1043 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1044 struct iwl_rx_queue *rxq = &priv->rxq;
1045 char buf[256];
1046 int pos = 0;
1047 const size_t bufsz = sizeof(buf);
1048
1049 pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n",
1050 rxq->read);
1051 pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n",
1052 rxq->write);
1053 pos += scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
1054 rxq->free_count);
1055 pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
1056 le16_to_cpu(rxq->rb_stts->closed_rb_num) & 0x0FFF);
1057 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1058 }
1059
1060 static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
1061 int bufsz)
1062 {
1063 int p = 0;
1064
1065 p += scnprintf(buf + p, bufsz - p,
1066 "Statistics Flag(0x%X):\n",
1067 le32_to_cpu(priv->statistics.flag));
1068 if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
1069 p += scnprintf(buf + p, bufsz - p,
1070 "\tStatistics have been cleared\n");
1071 p += scnprintf(buf + p, bufsz - p,
1072 "\tOperational Frequency: %s\n",
1073 (le32_to_cpu(priv->statistics.flag) &
1074 UCODE_STATISTICS_FREQUENCY_MSK)
1075 ? "2.4 GHz" : "5.2 GHz");
1076 p += scnprintf(buf + p, bufsz - p,
1077 "\tTGj Narrow Band: %s\n",
1078 (le32_to_cpu(priv->statistics.flag) &
1079 UCODE_STATISTICS_NARROW_BAND_MSK)
1080 ? "enabled" : "disabled");
1081 return p;
1082 }
1083
1084
1085 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
1086 char __user *user_buf,
1087 size_t count, loff_t *ppos)
1088 {
1089 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1090 int pos = 0;
1091 char *buf;
1092 int bufsz = sizeof(struct statistics_rx_phy) * 20 +
1093 sizeof(struct statistics_rx_non_phy) * 20 +
1094 sizeof(struct statistics_rx_ht_phy) * 20 + 400;
1095 ssize_t ret;
1096 struct statistics_rx_phy *ofdm, *accum_ofdm;
1097 struct statistics_rx_phy *cck, *accum_cck;
1098 struct statistics_rx_non_phy *general, *accum_general;
1099 struct statistics_rx_ht_phy *ht, *accum_ht;
1100
1101 if (!iwl_is_alive(priv))
1102 return -EAGAIN;
1103
1104 /* make request to uCode to retrieve statistics information */
1105 mutex_lock(&priv->mutex);
1106 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1107 mutex_unlock(&priv->mutex);
1108
1109 if (ret) {
1110 IWL_ERR(priv,
1111 "Error sending statistics request: %zd\n", ret);
1112 return -EAGAIN;
1113 }
1114 buf = kzalloc(bufsz, GFP_KERNEL);
1115 if (!buf) {
1116 IWL_ERR(priv, "Can not allocate Buffer\n");
1117 return -ENOMEM;
1118 }
1119
1120 /* the statistic information display here is based on
1121 * the last statistics notification from uCode
1122 * might not reflect the current uCode activity
1123 */
1124 ofdm = &priv->statistics.rx.ofdm;
1125 cck = &priv->statistics.rx.cck;
1126 general = &priv->statistics.rx.general;
1127 ht = &priv->statistics.rx.ofdm_ht;
1128 accum_ofdm = &priv->accum_statistics.rx.ofdm;
1129 accum_cck = &priv->accum_statistics.rx.cck;
1130 accum_general = &priv->accum_statistics.rx.general;
1131 accum_ht = &priv->accum_statistics.rx.ofdm_ht;
1132 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1133 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
1134 pos += scnprintf(buf + pos, bufsz - pos,
1135 "\t\t\tcurrent\t\t\taccumulative\n");
1136 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1137 le32_to_cpu(ofdm->ina_cnt), accum_ofdm->ina_cnt);
1138 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1139 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt);
1140 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1141 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err);
1142 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1143 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err);
1144 pos += scnprintf(buf + pos, bufsz - pos,
1145 "overrun_err:\t\t%u\t\t\t%u\n",
1146 le32_to_cpu(ofdm->overrun_err),
1147 accum_ofdm->overrun_err);
1148 pos += scnprintf(buf + pos, bufsz - pos,
1149 "early_overrun_err:\t%u\t\t\t%u\n",
1150 le32_to_cpu(ofdm->early_overrun_err),
1151 accum_ofdm->early_overrun_err);
1152 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1153 le32_to_cpu(ofdm->crc32_good),
1154 accum_ofdm->crc32_good);
1155 pos += scnprintf(buf + pos, bufsz - pos,
1156 "false_alarm_cnt:\t%u\t\t\t%u\n",
1157 le32_to_cpu(ofdm->false_alarm_cnt),
1158 accum_ofdm->false_alarm_cnt);
1159 pos += scnprintf(buf + pos, bufsz - pos,
1160 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1161 le32_to_cpu(ofdm->fina_sync_err_cnt),
1162 accum_ofdm->fina_sync_err_cnt);
1163 pos += scnprintf(buf + pos, bufsz - pos,
1164 "sfd_timeout:\t\t%u\t\t\t%u\n",
1165 le32_to_cpu(ofdm->sfd_timeout),
1166 accum_ofdm->sfd_timeout);
1167 pos += scnprintf(buf + pos, bufsz - pos,
1168 "fina_timeout:\t\t%u\t\t\t%u\n",
1169 le32_to_cpu(ofdm->fina_timeout),
1170 accum_ofdm->fina_timeout);
1171 pos += scnprintf(buf + pos, bufsz - pos,
1172 "unresponded_rts:\t%u\t\t\t%u\n",
1173 le32_to_cpu(ofdm->unresponded_rts),
1174 accum_ofdm->unresponded_rts);
1175 pos += scnprintf(buf + pos, bufsz - pos,
1176 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1177 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1178 accum_ofdm->rxe_frame_limit_overrun);
1179 pos += scnprintf(buf + pos, bufsz - pos,
1180 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1181 le32_to_cpu(ofdm->sent_ack_cnt),
1182 accum_ofdm->sent_ack_cnt);
1183 pos += scnprintf(buf + pos, bufsz - pos,
1184 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1185 le32_to_cpu(ofdm->sent_cts_cnt),
1186 accum_ofdm->sent_cts_cnt);
1187 pos += scnprintf(buf + pos, bufsz - pos,
1188 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1189 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1190 accum_ofdm->sent_ba_rsp_cnt);
1191 pos += scnprintf(buf + pos, bufsz - pos,
1192 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1193 le32_to_cpu(ofdm->dsp_self_kill),
1194 accum_ofdm->dsp_self_kill);
1195 pos += scnprintf(buf + pos, bufsz - pos,
1196 "mh_format_err:\t\t%u\t\t\t%u\n",
1197 le32_to_cpu(ofdm->mh_format_err),
1198 accum_ofdm->mh_format_err);
1199 pos += scnprintf(buf + pos, bufsz - pos,
1200 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1201 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1202 accum_ofdm->re_acq_main_rssi_sum);
1203
1204 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
1205 pos += scnprintf(buf + pos, bufsz - pos,
1206 "\t\t\tcurrent\t\t\taccumulative\n");
1207 pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt:\t\t%u\t\t\t%u\n",
1208 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt);
1209 pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt:\t\t%u\t\t\t%u\n",
1210 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt);
1211 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1212 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err);
1213 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1214 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err);
1215 pos += scnprintf(buf + pos, bufsz - pos,
1216 "overrun_err:\t\t%u\t\t\t%u\n",
1217 le32_to_cpu(cck->overrun_err),
1218 accum_cck->overrun_err);
1219 pos += scnprintf(buf + pos, bufsz - pos,
1220 "early_overrun_err:\t%u\t\t\t%u\n",
1221 le32_to_cpu(cck->early_overrun_err),
1222 accum_cck->early_overrun_err);
1223 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1224 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good);
1225 pos += scnprintf(buf + pos, bufsz - pos,
1226 "false_alarm_cnt:\t%u\t\t\t%u\n",
1227 le32_to_cpu(cck->false_alarm_cnt),
1228 accum_cck->false_alarm_cnt);
1229 pos += scnprintf(buf + pos, bufsz - pos,
1230 "fina_sync_err_cnt:\t%u\t\t\t%u\n",
1231 le32_to_cpu(cck->fina_sync_err_cnt),
1232 accum_cck->fina_sync_err_cnt);
1233 pos += scnprintf(buf + pos, bufsz - pos,
1234 "sfd_timeout:\t\t%u\t\t\t%u\n",
1235 le32_to_cpu(cck->sfd_timeout),
1236 accum_cck->sfd_timeout);
1237 pos += scnprintf(buf + pos, bufsz - pos,
1238 "fina_timeout:\t\t%u\t\t\t%u\n",
1239 le32_to_cpu(cck->fina_timeout),
1240 accum_cck->fina_timeout);
1241 pos += scnprintf(buf + pos, bufsz - pos,
1242 "unresponded_rts:\t%u\t\t\t%u\n",
1243 le32_to_cpu(cck->unresponded_rts),
1244 accum_cck->unresponded_rts);
1245 pos += scnprintf(buf + pos, bufsz - pos,
1246 "rxe_frame_lmt_ovrun:\t%u\t\t\t%u\n",
1247 le32_to_cpu(cck->rxe_frame_limit_overrun),
1248 accum_cck->rxe_frame_limit_overrun);
1249 pos += scnprintf(buf + pos, bufsz - pos,
1250 "sent_ack_cnt:\t\t%u\t\t\t%u\n",
1251 le32_to_cpu(cck->sent_ack_cnt),
1252 accum_cck->sent_ack_cnt);
1253 pos += scnprintf(buf + pos, bufsz - pos,
1254 "sent_cts_cnt:\t\t%u\t\t\t%u\n",
1255 le32_to_cpu(cck->sent_cts_cnt),
1256 accum_cck->sent_cts_cnt);
1257 pos += scnprintf(buf + pos, bufsz - pos,
1258 "sent_ba_rsp_cnt:\t%u\t\t\t%u\n",
1259 le32_to_cpu(cck->sent_ba_rsp_cnt),
1260 accum_cck->sent_ba_rsp_cnt);
1261 pos += scnprintf(buf + pos, bufsz - pos,
1262 "dsp_self_kill:\t\t%u\t\t\t%u\n",
1263 le32_to_cpu(cck->dsp_self_kill),
1264 accum_cck->dsp_self_kill);
1265 pos += scnprintf(buf + pos, bufsz - pos,
1266 "mh_format_err:\t\t%u\t\t\t%u\n",
1267 le32_to_cpu(cck->mh_format_err),
1268 accum_cck->mh_format_err);
1269 pos += scnprintf(buf + pos, bufsz - pos,
1270 "re_acq_main_rssi_sum:\t%u\t\t\t%u\n",
1271 le32_to_cpu(cck->re_acq_main_rssi_sum),
1272 accum_cck->re_acq_main_rssi_sum);
1273
1274 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
1275 pos += scnprintf(buf + pos, bufsz - pos,
1276 "\t\t\tcurrent\t\t\taccumulative\n");
1277 pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts:\t\t%u\t\t\t%u\n",
1278 le32_to_cpu(general->bogus_cts),
1279 accum_general->bogus_cts);
1280 pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack:\t\t%u\t\t\t%u\n",
1281 le32_to_cpu(general->bogus_ack),
1282 accum_general->bogus_ack);
1283 pos += scnprintf(buf + pos, bufsz - pos,
1284 "non_bssid_frames:\t%u\t\t\t%u\n",
1285 le32_to_cpu(general->non_bssid_frames),
1286 accum_general->non_bssid_frames);
1287 pos += scnprintf(buf + pos, bufsz - pos,
1288 "filtered_frames:\t%u\t\t\t%u\n",
1289 le32_to_cpu(general->filtered_frames),
1290 accum_general->filtered_frames);
1291 pos += scnprintf(buf + pos, bufsz - pos,
1292 "non_channel_beacons:\t%u\t\t\t%u\n",
1293 le32_to_cpu(general->non_channel_beacons),
1294 accum_general->non_channel_beacons);
1295 pos += scnprintf(buf + pos, bufsz - pos,
1296 "channel_beacons:\t%u\t\t\t%u\n",
1297 le32_to_cpu(general->channel_beacons),
1298 accum_general->channel_beacons);
1299 pos += scnprintf(buf + pos, bufsz - pos,
1300 "num_missed_bcon:\t%u\t\t\t%u\n",
1301 le32_to_cpu(general->num_missed_bcon),
1302 accum_general->num_missed_bcon);
1303 pos += scnprintf(buf + pos, bufsz - pos,
1304 "adc_rx_saturation_time:\t%u\t\t\t%u\n",
1305 le32_to_cpu(general->adc_rx_saturation_time),
1306 accum_general->adc_rx_saturation_time);
1307 pos += scnprintf(buf + pos, bufsz - pos,
1308 "ina_detect_search_tm:\t%u\t\t\t%u\n",
1309 le32_to_cpu(general->ina_detection_search_time),
1310 accum_general->ina_detection_search_time);
1311 pos += scnprintf(buf + pos, bufsz - pos,
1312 "beacon_silence_rssi_a:\t%u\t\t\t%u\n",
1313 le32_to_cpu(general->beacon_silence_rssi_a),
1314 accum_general->beacon_silence_rssi_a);
1315 pos += scnprintf(buf + pos, bufsz - pos,
1316 "beacon_silence_rssi_b:\t%u\t\t\t%u\n",
1317 le32_to_cpu(general->beacon_silence_rssi_b),
1318 accum_general->beacon_silence_rssi_b);
1319 pos += scnprintf(buf + pos, bufsz - pos,
1320 "beacon_silence_rssi_c:\t%u\t\t\t%u\n",
1321 le32_to_cpu(general->beacon_silence_rssi_c),
1322 accum_general->beacon_silence_rssi_c);
1323 pos += scnprintf(buf + pos, bufsz - pos,
1324 "interference_data_flag:\t%u\t\t\t%u\n",
1325 le32_to_cpu(general->interference_data_flag),
1326 accum_general->interference_data_flag);
1327 pos += scnprintf(buf + pos, bufsz - pos,
1328 "channel_load:\t\t%u\t\t\t%u\n",
1329 le32_to_cpu(general->channel_load),
1330 accum_general->channel_load);
1331 pos += scnprintf(buf + pos, bufsz - pos,
1332 "dsp_false_alarms:\t%u\t\t\t%u\n",
1333 le32_to_cpu(general->dsp_false_alarms),
1334 accum_general->dsp_false_alarms);
1335 pos += scnprintf(buf + pos, bufsz - pos,
1336 "beacon_rssi_a:\t\t%u\t\t\t%u\n",
1337 le32_to_cpu(general->beacon_rssi_a),
1338 accum_general->beacon_rssi_a);
1339 pos += scnprintf(buf + pos, bufsz - pos,
1340 "beacon_rssi_b:\t\t%u\t\t\t%u\n",
1341 le32_to_cpu(general->beacon_rssi_b),
1342 accum_general->beacon_rssi_b);
1343 pos += scnprintf(buf + pos, bufsz - pos,
1344 "beacon_rssi_c:\t\t%u\t\t\t%u\n",
1345 le32_to_cpu(general->beacon_rssi_c),
1346 accum_general->beacon_rssi_c);
1347 pos += scnprintf(buf + pos, bufsz - pos,
1348 "beacon_energy_a:\t%u\t\t\t%u\n",
1349 le32_to_cpu(general->beacon_energy_a),
1350 accum_general->beacon_energy_a);
1351 pos += scnprintf(buf + pos, bufsz - pos,
1352 "beacon_energy_b:\t%u\t\t\t%u\n",
1353 le32_to_cpu(general->beacon_energy_b),
1354 accum_general->beacon_energy_b);
1355 pos += scnprintf(buf + pos, bufsz - pos,
1356 "beacon_energy_c:\t%u\t\t\t%u\n",
1357 le32_to_cpu(general->beacon_energy_c),
1358 accum_general->beacon_energy_c);
1359
1360 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
1361 pos += scnprintf(buf + pos, bufsz - pos,
1362 "\t\t\tcurrent\t\t\taccumulative\n");
1363 pos += scnprintf(buf + pos, bufsz - pos, "plcp_err:\t\t%u\t\t\t%u\n",
1364 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err);
1365 pos += scnprintf(buf + pos, bufsz - pos,
1366 "overrun_err:\t\t%u\t\t\t%u\n",
1367 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err);
1368 pos += scnprintf(buf + pos, bufsz - pos,
1369 "early_overrun_err:\t%u\t\t\t%u\n",
1370 le32_to_cpu(ht->early_overrun_err),
1371 accum_ht->early_overrun_err);
1372 pos += scnprintf(buf + pos, bufsz - pos, "crc32_good:\t\t%u\t\t\t%u\n",
1373 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good);
1374 pos += scnprintf(buf + pos, bufsz - pos, "crc32_err:\t\t%u\t\t\t%u\n",
1375 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err);
1376 pos += scnprintf(buf + pos, bufsz - pos,
1377 "mh_format_err:\t\t%u\t\t\t%u\n",
1378 le32_to_cpu(ht->mh_format_err),
1379 accum_ht->mh_format_err);
1380 pos += scnprintf(buf + pos, bufsz - pos,
1381 "agg_crc32_good:\t\t%u\t\t\t%u\n",
1382 le32_to_cpu(ht->agg_crc32_good),
1383 accum_ht->agg_crc32_good);
1384 pos += scnprintf(buf + pos, bufsz - pos,
1385 "agg_mpdu_cnt:\t\t%u\t\t\t%u\n",
1386 le32_to_cpu(ht->agg_mpdu_cnt),
1387 accum_ht->agg_mpdu_cnt);
1388 pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt:\t\t%u\t\t\t%u\n",
1389 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt);
1390 pos += scnprintf(buf + pos, bufsz - pos, "unsupport_mcs:\t\t%u\t\t\t%u\n",
1391 le32_to_cpu(ht->unsupport_mcs),
1392 accum_ht->unsupport_mcs);
1393
1394 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1395 kfree(buf);
1396 return ret;
1397 }
1398
1399 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1400 char __user *user_buf,
1401 size_t count, loff_t *ppos)
1402 {
1403 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1404 int pos = 0;
1405 char *buf;
1406 int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
1407 ssize_t ret;
1408 struct statistics_tx *tx, *accum_tx;
1409
1410 if (!iwl_is_alive(priv))
1411 return -EAGAIN;
1412
1413 /* make request to uCode to retrieve statistics information */
1414 mutex_lock(&priv->mutex);
1415 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1416 mutex_unlock(&priv->mutex);
1417
1418 if (ret) {
1419 IWL_ERR(priv,
1420 "Error sending statistics request: %zd\n", ret);
1421 return -EAGAIN;
1422 }
1423 buf = kzalloc(bufsz, GFP_KERNEL);
1424 if (!buf) {
1425 IWL_ERR(priv, "Can not allocate Buffer\n");
1426 return -ENOMEM;
1427 }
1428
1429 /* the statistic information display here is based on
1430 * the last statistics notification from uCode
1431 * might not reflect the current uCode activity
1432 */
1433 tx = &priv->statistics.tx;
1434 accum_tx = &priv->accum_statistics.tx;
1435 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1436 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 "\t\t\tcurrent\t\t\taccumulative\n");
1439 pos += scnprintf(buf + pos, bufsz - pos, "preamble:\t\t\t%u\t\t\t%u\n",
1440 le32_to_cpu(tx->preamble_cnt),
1441 accum_tx->preamble_cnt);
1442 pos += scnprintf(buf + pos, bufsz - pos,
1443 "rx_detected_cnt:\t\t%u\t\t\t%u\n",
1444 le32_to_cpu(tx->rx_detected_cnt),
1445 accum_tx->rx_detected_cnt);
1446 pos += scnprintf(buf + pos, bufsz - pos,
1447 "bt_prio_defer_cnt:\t\t%u\t\t\t%u\n",
1448 le32_to_cpu(tx->bt_prio_defer_cnt),
1449 accum_tx->bt_prio_defer_cnt);
1450 pos += scnprintf(buf + pos, bufsz - pos,
1451 "bt_prio_kill_cnt:\t\t%u\t\t\t%u\n",
1452 le32_to_cpu(tx->bt_prio_kill_cnt),
1453 accum_tx->bt_prio_kill_cnt);
1454 pos += scnprintf(buf + pos, bufsz - pos,
1455 "few_bytes_cnt:\t\t\t%u\t\t\t%u\n",
1456 le32_to_cpu(tx->few_bytes_cnt),
1457 accum_tx->few_bytes_cnt);
1458 pos += scnprintf(buf + pos, bufsz - pos,
1459 "cts_timeout:\t\t\t%u\t\t\t%u\n",
1460 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout);
1461 pos += scnprintf(buf + pos, bufsz - pos,
1462 "ack_timeout:\t\t\t%u\t\t\t%u\n",
1463 le32_to_cpu(tx->ack_timeout),
1464 accum_tx->ack_timeout);
1465 pos += scnprintf(buf + pos, bufsz - pos,
1466 "expected_ack_cnt:\t\t%u\t\t\t%u\n",
1467 le32_to_cpu(tx->expected_ack_cnt),
1468 accum_tx->expected_ack_cnt);
1469 pos += scnprintf(buf + pos, bufsz - pos,
1470 "actual_ack_cnt:\t\t\t%u\t\t\t%u\n",
1471 le32_to_cpu(tx->actual_ack_cnt),
1472 accum_tx->actual_ack_cnt);
1473 pos += scnprintf(buf + pos, bufsz - pos,
1474 "dump_msdu_cnt:\t\t\t%u\t\t\t%u\n",
1475 le32_to_cpu(tx->dump_msdu_cnt),
1476 accum_tx->dump_msdu_cnt);
1477 pos += scnprintf(buf + pos, bufsz - pos,
1478 "abort_nxt_frame_mismatch:"
1479 "\t%u\t\t\t%u\n",
1480 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1481 accum_tx->burst_abort_next_frame_mismatch_cnt);
1482 pos += scnprintf(buf + pos, bufsz - pos,
1483 "abort_missing_nxt_frame:"
1484 "\t%u\t\t\t%u\n",
1485 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1486 accum_tx->burst_abort_missing_next_frame_cnt);
1487 pos += scnprintf(buf + pos, bufsz - pos,
1488 "cts_timeout_collision:\t\t%u\t\t\t%u\n",
1489 le32_to_cpu(tx->cts_timeout_collision),
1490 accum_tx->cts_timeout_collision);
1491 pos += scnprintf(buf + pos, bufsz - pos,
1492 "ack_ba_timeout_collision:\t%u\t\t\t%u\n",
1493 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1494 accum_tx->ack_or_ba_timeout_collision);
1495 pos += scnprintf(buf + pos, bufsz - pos,
1496 "agg ba_timeout:\t\t\t%u\t\t\t%u\n",
1497 le32_to_cpu(tx->agg.ba_timeout),
1498 accum_tx->agg.ba_timeout);
1499 pos += scnprintf(buf + pos, bufsz - pos,
1500 "agg ba_resched_frames:\t\t%u\t\t\t%u\n",
1501 le32_to_cpu(tx->agg.ba_reschedule_frames),
1502 accum_tx->agg.ba_reschedule_frames);
1503 pos += scnprintf(buf + pos, bufsz - pos,
1504 "agg scd_query_agg_frame:\t%u\t\t\t%u\n",
1505 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1506 accum_tx->agg.scd_query_agg_frame_cnt);
1507 pos += scnprintf(buf + pos, bufsz - pos,
1508 "agg scd_query_no_agg:\t\t%u\t\t\t%u\n",
1509 le32_to_cpu(tx->agg.scd_query_no_agg),
1510 accum_tx->agg.scd_query_no_agg);
1511 pos += scnprintf(buf + pos, bufsz - pos,
1512 "agg scd_query_agg:\t\t%u\t\t\t%u\n",
1513 le32_to_cpu(tx->agg.scd_query_agg),
1514 accum_tx->agg.scd_query_agg);
1515 pos += scnprintf(buf + pos, bufsz - pos,
1516 "agg scd_query_mismatch:\t\t%u\t\t\t%u\n",
1517 le32_to_cpu(tx->agg.scd_query_mismatch),
1518 accum_tx->agg.scd_query_mismatch);
1519 pos += scnprintf(buf + pos, bufsz - pos,
1520 "agg frame_not_ready:\t\t%u\t\t\t%u\n",
1521 le32_to_cpu(tx->agg.frame_not_ready),
1522 accum_tx->agg.frame_not_ready);
1523 pos += scnprintf(buf + pos, bufsz - pos,
1524 "agg underrun:\t\t\t%u\t\t\t%u\n",
1525 le32_to_cpu(tx->agg.underrun),
1526 accum_tx->agg.underrun);
1527 pos += scnprintf(buf + pos, bufsz - pos,
1528 "agg bt_prio_kill:\t\t%u\t\t\t%u\n",
1529 le32_to_cpu(tx->agg.bt_prio_kill),
1530 accum_tx->agg.bt_prio_kill);
1531 pos += scnprintf(buf + pos, bufsz - pos,
1532 "agg rx_ba_rsp_cnt:\t\t%u\t\t\t%u\n",
1533 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1534 accum_tx->agg.rx_ba_rsp_cnt);
1535
1536 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1537 kfree(buf);
1538 return ret;
1539 }
1540
1541 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1542 char __user *user_buf,
1543 size_t count, loff_t *ppos)
1544 {
1545 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1546 int pos = 0;
1547 char *buf;
1548 int bufsz = sizeof(struct statistics_general) * 4 + 250;
1549 ssize_t ret;
1550 struct statistics_general *general, *accum_general;
1551 struct statistics_dbg *dbg, *accum_dbg;
1552 struct statistics_div *div, *accum_div;
1553
1554 if (!iwl_is_alive(priv))
1555 return -EAGAIN;
1556
1557 /* make request to uCode to retrieve statistics information */
1558 mutex_lock(&priv->mutex);
1559 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1560 mutex_unlock(&priv->mutex);
1561
1562 if (ret) {
1563 IWL_ERR(priv,
1564 "Error sending statistics request: %zd\n", ret);
1565 return -EAGAIN;
1566 }
1567 buf = kzalloc(bufsz, GFP_KERNEL);
1568 if (!buf) {
1569 IWL_ERR(priv, "Can not allocate Buffer\n");
1570 return -ENOMEM;
1571 }
1572
1573 /* the statistic information display here is based on
1574 * the last statistics notification from uCode
1575 * might not reflect the current uCode activity
1576 */
1577 general = &priv->statistics.general;
1578 dbg = &priv->statistics.general.dbg;
1579 div = &priv->statistics.general.div;
1580 accum_general = &priv->accum_statistics.general;
1581 accum_dbg = &priv->accum_statistics.general.dbg;
1582 accum_div = &priv->accum_statistics.general.div;
1583 pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
1584 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
1585 pos += scnprintf(buf + pos, bufsz - pos,
1586 "\t\t\tcurrent\t\t\taccumulative\n");
1587 pos += scnprintf(buf + pos, bufsz - pos, "temperature:\t\t\t%u\n",
1588 le32_to_cpu(general->temperature));
1589 pos += scnprintf(buf + pos, bufsz - pos, "temperature_m:\t\t\t%u\n",
1590 le32_to_cpu(general->temperature_m));
1591 pos += scnprintf(buf + pos, bufsz - pos,
1592 "burst_check:\t\t\t%u\t\t\t%u\n",
1593 le32_to_cpu(dbg->burst_check),
1594 accum_dbg->burst_check);
1595 pos += scnprintf(buf + pos, bufsz - pos,
1596 "burst_count:\t\t\t%u\t\t\t%u\n",
1597 le32_to_cpu(dbg->burst_count),
1598 accum_dbg->burst_count);
1599 pos += scnprintf(buf + pos, bufsz - pos,
1600 "sleep_time:\t\t\t%u\t\t\t%u\n",
1601 le32_to_cpu(general->sleep_time),
1602 accum_general->sleep_time);
1603 pos += scnprintf(buf + pos, bufsz - pos,
1604 "slots_out:\t\t\t%u\t\t\t%u\n",
1605 le32_to_cpu(general->slots_out),
1606 accum_general->slots_out);
1607 pos += scnprintf(buf + pos, bufsz - pos,
1608 "slots_idle:\t\t\t%u\t\t\t%u\n",
1609 le32_to_cpu(general->slots_idle),
1610 accum_general->slots_idle);
1611 pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
1612 le32_to_cpu(general->ttl_timestamp));
1613 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a:\t\t\t%u\t\t\t%u\n",
1614 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a);
1615 pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b:\t\t\t%u\t\t\t%u\n",
1616 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b);
1617 pos += scnprintf(buf + pos, bufsz - pos,
1618 "exec_time:\t\t\t%u\t\t\t%u\n",
1619 le32_to_cpu(div->exec_time), accum_div->exec_time);
1620 pos += scnprintf(buf + pos, bufsz - pos,
1621 "probe_time:\t\t\t%u\t\t\t%u\n",
1622 le32_to_cpu(div->probe_time), accum_div->probe_time);
1623 pos += scnprintf(buf + pos, bufsz - pos,
1624 "rx_enable_counter:\t\t%u\t\t\t%u\n",
1625 le32_to_cpu(general->rx_enable_counter),
1626 accum_general->rx_enable_counter);
1627 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1628 kfree(buf);
1629 return ret;
1630 }
1631
1632 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1633 char __user *user_buf,
1634 size_t count, loff_t *ppos) {
1635
1636 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1637 int pos = 0;
1638 int cnt = 0;
1639 char *buf;
1640 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1641 ssize_t ret;
1642 struct iwl_sensitivity_data *data;
1643
1644 data = &priv->sensitivity_data;
1645 buf = kzalloc(bufsz, GFP_KERNEL);
1646 if (!buf) {
1647 IWL_ERR(priv, "Can not allocate Buffer\n");
1648 return -ENOMEM;
1649 }
1650
1651 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1652 data->auto_corr_ofdm);
1653 pos += scnprintf(buf + pos, bufsz - pos,
1654 "auto_corr_ofdm_mrc:\t\t %u\n",
1655 data->auto_corr_ofdm_mrc);
1656 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1657 data->auto_corr_ofdm_x1);
1658 pos += scnprintf(buf + pos, bufsz - pos,
1659 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1660 data->auto_corr_ofdm_mrc_x1);
1661 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1662 data->auto_corr_cck);
1663 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1664 data->auto_corr_cck_mrc);
1665 pos += scnprintf(buf + pos, bufsz - pos,
1666 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1667 data->last_bad_plcp_cnt_ofdm);
1668 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1669 data->last_fa_cnt_ofdm);
1670 pos += scnprintf(buf + pos, bufsz - pos,
1671 "last_bad_plcp_cnt_cck:\t\t %u\n",
1672 data->last_bad_plcp_cnt_cck);
1673 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1674 data->last_fa_cnt_cck);
1675 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1676 data->nrg_curr_state);
1677 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1678 data->nrg_prev_state);
1679 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1680 for (cnt = 0; cnt < 10; cnt++) {
1681 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1682 data->nrg_value[cnt]);
1683 }
1684 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1685 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1686 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1687 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1688 data->nrg_silence_rssi[cnt]);
1689 }
1690 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1691 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1692 data->nrg_silence_ref);
1693 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1694 data->nrg_energy_idx);
1695 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1696 data->nrg_silence_idx);
1697 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1698 data->nrg_th_cck);
1699 pos += scnprintf(buf + pos, bufsz - pos,
1700 "nrg_auto_corr_silence_diff:\t %u\n",
1701 data->nrg_auto_corr_silence_diff);
1702 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1703 data->num_in_cck_no_fa);
1704 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1705 data->nrg_th_ofdm);
1706
1707 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1708 kfree(buf);
1709 return ret;
1710 }
1711
1712
1713 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1714 char __user *user_buf,
1715 size_t count, loff_t *ppos) {
1716
1717 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1718 int pos = 0;
1719 int cnt = 0;
1720 char *buf;
1721 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1722 ssize_t ret;
1723 struct iwl_chain_noise_data *data;
1724
1725 data = &priv->chain_noise_data;
1726 buf = kzalloc(bufsz, GFP_KERNEL);
1727 if (!buf) {
1728 IWL_ERR(priv, "Can not allocate Buffer\n");
1729 return -ENOMEM;
1730 }
1731
1732 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1733 data->active_chains);
1734 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1735 data->chain_noise_a);
1736 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1737 data->chain_noise_b);
1738 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1739 data->chain_noise_c);
1740 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1741 data->chain_signal_a);
1742 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1743 data->chain_signal_b);
1744 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1745 data->chain_signal_c);
1746 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1747 data->beacon_count);
1748
1749 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1750 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1751 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1752 data->disconn_array[cnt]);
1753 }
1754 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1755 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1756 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1757 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1758 data->delta_gain_code[cnt]);
1759 }
1760 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1761 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1762 data->radio_write);
1763 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1764 data->state);
1765
1766 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1767 kfree(buf);
1768 return ret;
1769 }
1770
1771 static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
1772 char __user *user_buf,
1773 size_t count, loff_t *ppos) {
1774
1775 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1776 char buf[128];
1777 int pos = 0;
1778 ssize_t ret;
1779 const size_t bufsz = sizeof(buf);
1780 struct statistics_tx *tx;
1781
1782 if (!iwl_is_alive(priv))
1783 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1784 else {
1785 /* make request to uCode to retrieve statistics information */
1786 mutex_lock(&priv->mutex);
1787 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1788 mutex_unlock(&priv->mutex);
1789
1790 if (ret) {
1791 IWL_ERR(priv, "Error sending statistics request: %zd\n",
1792 ret);
1793 return -EAGAIN;
1794 }
1795 tx = &priv->statistics.tx;
1796 if (tx->tx_power.ant_a ||
1797 tx->tx_power.ant_b ||
1798 tx->tx_power.ant_c) {
1799 pos += scnprintf(buf + pos, bufsz - pos,
1800 "tx power: (1/2 dB step)\n");
1801 if ((priv->cfg->valid_tx_ant & ANT_A) &&
1802 tx->tx_power.ant_a)
1803 pos += scnprintf(buf + pos, bufsz - pos,
1804 "\tantenna A: 0x%X\n",
1805 tx->tx_power.ant_a);
1806 if ((priv->cfg->valid_tx_ant & ANT_B) &&
1807 tx->tx_power.ant_b)
1808 pos += scnprintf(buf + pos, bufsz - pos,
1809 "\tantenna B: 0x%X\n",
1810 tx->tx_power.ant_b);
1811 if ((priv->cfg->valid_tx_ant & ANT_C) &&
1812 tx->tx_power.ant_c)
1813 pos += scnprintf(buf + pos, bufsz - pos,
1814 "\tantenna C: 0x%X\n",
1815 tx->tx_power.ant_c);
1816 } else
1817 pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
1818 }
1819 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1820 }
1821
1822 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1823 char __user *user_buf,
1824 size_t count, loff_t *ppos)
1825 {
1826 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1827 char buf[60];
1828 int pos = 0;
1829 const size_t bufsz = sizeof(buf);
1830 u32 pwrsave_status;
1831
1832 pwrsave_status = iwl_read32(priv, CSR_GP_CNTRL) &
1833 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1834
1835 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1836 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1837 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1838 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1839 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1840 "error");
1841
1842 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1843 }
1844
1845 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1846 const char __user *user_buf,
1847 size_t count, loff_t *ppos)
1848 {
1849 struct iwl_priv *priv = file->private_data;
1850 char buf[8];
1851 int buf_size;
1852 int clear;
1853
1854 memset(buf, 0, sizeof(buf));
1855 buf_size = min(count, sizeof(buf) - 1);
1856 if (copy_from_user(buf, user_buf, buf_size))
1857 return -EFAULT;
1858 if (sscanf(buf, "%d", &clear) != 1)
1859 return -EFAULT;
1860
1861 /* make request to uCode to retrieve statistics information */
1862 mutex_lock(&priv->mutex);
1863 iwl_send_statistics_request(priv, CMD_SYNC, true);
1864 mutex_unlock(&priv->mutex);
1865
1866 return count;
1867 }
1868
1869 static ssize_t iwl_dbgfs_csr_write(struct file *file,
1870 const char __user *user_buf,
1871 size_t count, loff_t *ppos)
1872 {
1873 struct iwl_priv *priv = file->private_data;
1874 char buf[8];
1875 int buf_size;
1876 int csr;
1877
1878 memset(buf, 0, sizeof(buf));
1879 buf_size = min(count, sizeof(buf) - 1);
1880 if (copy_from_user(buf, user_buf, buf_size))
1881 return -EFAULT;
1882 if (sscanf(buf, "%d", &csr) != 1)
1883 return -EFAULT;
1884
1885 if (priv->cfg->ops->lib->dump_csr)
1886 priv->cfg->ops->lib->dump_csr(priv);
1887
1888 return count;
1889 }
1890
1891 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1892 char __user *user_buf,
1893 size_t count, loff_t *ppos) {
1894
1895 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1896 int pos = 0;
1897 char buf[128];
1898 const size_t bufsz = sizeof(buf);
1899 ssize_t ret;
1900
1901 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1902 priv->event_log.ucode_trace ? "On" : "Off");
1903 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1904 priv->event_log.non_wraps_count);
1905 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1906 priv->event_log.wraps_once_count);
1907 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1908 priv->event_log.wraps_more_count);
1909
1910 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1911 return ret;
1912 }
1913
1914 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1915 const char __user *user_buf,
1916 size_t count, loff_t *ppos)
1917 {
1918 struct iwl_priv *priv = file->private_data;
1919 char buf[8];
1920 int buf_size;
1921 int trace;
1922
1923 memset(buf, 0, sizeof(buf));
1924 buf_size = min(count, sizeof(buf) - 1);
1925 if (copy_from_user(buf, user_buf, buf_size))
1926 return -EFAULT;
1927 if (sscanf(buf, "%d", &trace) != 1)
1928 return -EFAULT;
1929
1930 if (trace) {
1931 priv->event_log.ucode_trace = true;
1932 /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */
1933 mod_timer(&priv->ucode_trace,
1934 jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
1935 } else {
1936 priv->event_log.ucode_trace = false;
1937 del_timer_sync(&priv->ucode_trace);
1938 }
1939
1940 return count;
1941 }
1942
1943 DEBUGFS_READ_FILE_OPS(rx_statistics);
1944 DEBUGFS_READ_FILE_OPS(tx_statistics);
1945 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
1946 DEBUGFS_READ_FILE_OPS(rx_queue);
1947 DEBUGFS_READ_FILE_OPS(tx_queue);
1948 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
1949 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
1950 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
1951 DEBUGFS_READ_FILE_OPS(sensitivity);
1952 DEBUGFS_READ_FILE_OPS(chain_noise);
1953 DEBUGFS_READ_FILE_OPS(tx_power);
1954 DEBUGFS_READ_FILE_OPS(power_save_status);
1955 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
1956 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
1957 DEBUGFS_WRITE_FILE_OPS(csr);
1958 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
1959
1960 /*
1961 * Create the debugfs files and directories
1962 *
1963 */
1964 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
1965 {
1966 struct iwl_debugfs *dbgfs;
1967 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
1968 int ret = 0;
1969
1970 dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
1971 if (!dbgfs) {
1972 ret = -ENOMEM;
1973 goto err;
1974 }
1975
1976 priv->dbgfs = dbgfs;
1977 dbgfs->name = name;
1978 dbgfs->dir_drv = debugfs_create_dir(name, phyd);
1979 if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
1980 ret = -ENOENT;
1981 goto err;
1982 }
1983
1984 DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
1985 DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
1986 DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
1987 DEBUGFS_ADD_FILE(nvm, data, S_IRUSR);
1988 DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR);
1989 DEBUGFS_ADD_FILE(log_event, data, S_IWUSR | S_IRUSR);
1990 DEBUGFS_ADD_FILE(stations, data, S_IRUSR);
1991 DEBUGFS_ADD_FILE(channels, data, S_IRUSR);
1992 DEBUGFS_ADD_FILE(status, data, S_IRUSR);
1993 DEBUGFS_ADD_FILE(interrupt, data, S_IWUSR | S_IRUSR);
1994 DEBUGFS_ADD_FILE(qos, data, S_IRUSR);
1995 DEBUGFS_ADD_FILE(led, data, S_IRUSR);
1996 DEBUGFS_ADD_FILE(sleep_level_override, data, S_IWUSR | S_IRUSR);
1997 DEBUGFS_ADD_FILE(current_sleep_command, data, S_IRUSR);
1998 DEBUGFS_ADD_FILE(thermal_throttling, data, S_IRUSR);
1999 DEBUGFS_ADD_FILE(disable_ht40, data, S_IWUSR | S_IRUSR);
2000 DEBUGFS_ADD_FILE(rx_statistics, debug, S_IRUSR);
2001 DEBUGFS_ADD_FILE(tx_statistics, debug, S_IRUSR);
2002 DEBUGFS_ADD_FILE(traffic_log, debug, S_IWUSR | S_IRUSR);
2003 DEBUGFS_ADD_FILE(rx_queue, debug, S_IRUSR);
2004 DEBUGFS_ADD_FILE(tx_queue, debug, S_IRUSR);
2005 DEBUGFS_ADD_FILE(tx_power, debug, S_IRUSR);
2006 DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR);
2007 DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR);
2008 DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR);
2009 DEBUGFS_ADD_FILE(csr, debug, S_IWUSR);
2010 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
2011 DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR);
2012 DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR);
2013 DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR);
2014 DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR);
2015 DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR);
2016 DEBUGFS_ADD_FILE(ucode_tracing, debug, S_IWUSR | S_IRUSR);
2017 }
2018 DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
2019 DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
2020 &priv->disable_chain_noise_cal);
2021 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2022 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2023 DEBUGFS_ADD_BOOL(disable_tx_power, rf,
2024 &priv->disable_tx_power_cal);
2025 return 0;
2026
2027 err:
2028 IWL_ERR(priv, "Can't open the debugfs directory\n");
2029 iwl_dbgfs_unregister(priv);
2030 return ret;
2031 }
2032 EXPORT_SYMBOL(iwl_dbgfs_register);
2033
2034 /**
2035 * Remove the debugfs files and directories
2036 *
2037 */
2038 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2039 {
2040 if (!priv->dbgfs)
2041 return;
2042
2043 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
2044 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
2045 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
2046 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
2047 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
2048 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
2049 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
2050 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
2051 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
2052 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
2053 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
2054 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
2055 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
2056 DEBUGFS_REMOVE(priv->dbgfs->dir_data);
2057 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
2058 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
2059 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
2060 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
2061 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
2062 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
2063 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
2064 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2065 file_clear_ucode_statistics);
2066 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2067 file_clear_traffic_statistics);
2068 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_csr);
2069 if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
2070 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2071 file_ucode_rx_stats);
2072 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2073 file_ucode_tx_stats);
2074 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2075 file_ucode_general_stats);
2076 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2077 file_sensitivity);
2078 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2079 file_chain_noise);
2080 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
2081 file_ucode_tracing);
2082 }
2083 DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
2084 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
2085 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
2086 if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||
2087 ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_3945))
2088 DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_tx_power);
2089 DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
2090 DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
2091 kfree(priv->dbgfs);
2092 priv->dbgfs = NULL;
2093 }
2094 EXPORT_SYMBOL(iwl_dbgfs_unregister);
2095
2096
2097
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree