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Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
1 /******************************************************************************
2 *
3 * GPL LICENSE SUMMARY
4 *
5 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
19 * USA
20 *
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
23 *
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/debugfs.h>
33
34 #include <linux/ieee80211.h>
35 #include <net/mac80211.h>
36
37
38 #include "iwl-dev.h"
39 #include "iwl-debug.h"
40 #include "iwl-io.h"
41 #include "iwl-agn.h"
42 #include "iwl-modparams.h"
43
44 /* create and remove of files */
45 #define DEBUGFS_ADD_FILE(name, parent, mode) do { \
46 if (!debugfs_create_file(#name, mode, parent, priv, \
47 &iwl_dbgfs_##name##_ops)) \
48 goto err; \
49 } while (0)
50
51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
52 struct dentry *__tmp; \
53 __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR, \
54 parent, ptr); \
55 if (IS_ERR(__tmp) || !__tmp) \
56 goto err; \
57 } while (0)
58
59 #define DEBUGFS_ADD_X32(name, parent, ptr) do { \
60 struct dentry *__tmp; \
61 __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR, \
62 parent, ptr); \
63 if (IS_ERR(__tmp) || !__tmp) \
64 goto err; \
65 } while (0)
66
67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do { \
68 struct dentry *__tmp; \
69 __tmp = debugfs_create_u32(#name, mode, \
70 parent, ptr); \
71 if (IS_ERR(__tmp) || !__tmp) \
72 goto err; \
73 } while (0)
74
75 /* file operation */
76 #define DEBUGFS_READ_FUNC(name) \
77 static ssize_t iwl_dbgfs_##name##_read(struct file *file, \
78 char __user *user_buf, \
79 size_t count, loff_t *ppos);
80
81 #define DEBUGFS_WRITE_FUNC(name) \
82 static ssize_t iwl_dbgfs_##name##_write(struct file *file, \
83 const char __user *user_buf, \
84 size_t count, loff_t *ppos);
85
86
87 #define DEBUGFS_READ_FILE_OPS(name) \
88 DEBUGFS_READ_FUNC(name); \
89 static const struct file_operations iwl_dbgfs_##name##_ops = { \
90 .read = iwl_dbgfs_##name##_read, \
91 .open = simple_open, \
92 .llseek = generic_file_llseek, \
93 };
94
95 #define DEBUGFS_WRITE_FILE_OPS(name) \
96 DEBUGFS_WRITE_FUNC(name); \
97 static const struct file_operations iwl_dbgfs_##name##_ops = { \
98 .write = iwl_dbgfs_##name##_write, \
99 .open = simple_open, \
100 .llseek = generic_file_llseek, \
101 };
102
103
104 #define DEBUGFS_READ_WRITE_FILE_OPS(name) \
105 DEBUGFS_READ_FUNC(name); \
106 DEBUGFS_WRITE_FUNC(name); \
107 static const struct file_operations iwl_dbgfs_##name##_ops = { \
108 .write = iwl_dbgfs_##name##_write, \
109 .read = iwl_dbgfs_##name##_read, \
110 .open = simple_open, \
111 .llseek = generic_file_llseek, \
112 };
113
114 static ssize_t iwl_dbgfs_sram_read(struct file *file,
115 char __user *user_buf,
116 size_t count, loff_t *ppos)
117 {
118 u32 val = 0;
119 char *buf;
120 ssize_t ret;
121 int i = 0;
122 bool device_format = false;
123 int offset = 0;
124 int len = 0;
125 int pos = 0;
126 int sram;
127 struct iwl_priv *priv = file->private_data;
128 const struct fw_img *img;
129 size_t bufsz;
130
131 /* default is to dump the entire data segment */
132 if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
133 priv->dbgfs_sram_offset = 0x800000;
134 if (!priv->ucode_loaded)
135 return -EINVAL;
136 img = &priv->fw->img[priv->cur_ucode];
137 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
138 }
139 len = priv->dbgfs_sram_len;
140
141 if (len == -4) {
142 device_format = true;
143 len = 4;
144 }
145
146 bufsz = 50 + len * 4;
147 buf = kmalloc(bufsz, GFP_KERNEL);
148 if (!buf)
149 return -ENOMEM;
150
151 pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
152 len);
153 pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
154 priv->dbgfs_sram_offset);
155
156 /* adjust sram address since reads are only on even u32 boundaries */
157 offset = priv->dbgfs_sram_offset & 0x3;
158 sram = priv->dbgfs_sram_offset & ~0x3;
159
160 /* read the first u32 from sram */
161 val = iwl_read_targ_mem(priv->trans, sram);
162
163 for (; len; len--) {
164 /* put the address at the start of every line */
165 if (i == 0)
166 pos += scnprintf(buf + pos, bufsz - pos,
167 "%08X: ", sram + offset);
168
169 if (device_format)
170 pos += scnprintf(buf + pos, bufsz - pos,
171 "%02x", (val >> (8 * (3 - offset))) & 0xff);
172 else
173 pos += scnprintf(buf + pos, bufsz - pos,
174 "%02x ", (val >> (8 * offset)) & 0xff);
175
176 /* if all bytes processed, read the next u32 from sram */
177 if (++offset == 4) {
178 sram += 4;
179 offset = 0;
180 val = iwl_read_targ_mem(priv->trans, sram);
181 }
182
183 /* put in extra spaces and split lines for human readability */
184 if (++i == 16) {
185 i = 0;
186 pos += scnprintf(buf + pos, bufsz - pos, "\n");
187 } else if (!(i & 7)) {
188 pos += scnprintf(buf + pos, bufsz - pos, " ");
189 } else if (!(i & 3)) {
190 pos += scnprintf(buf + pos, bufsz - pos, " ");
191 }
192 }
193 if (i)
194 pos += scnprintf(buf + pos, bufsz - pos, "\n");
195
196 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
197 kfree(buf);
198 return ret;
199 }
200
201 static ssize_t iwl_dbgfs_sram_write(struct file *file,
202 const char __user *user_buf,
203 size_t count, loff_t *ppos)
204 {
205 struct iwl_priv *priv = file->private_data;
206 char buf[64];
207 int buf_size;
208 u32 offset, len;
209
210 memset(buf, 0, sizeof(buf));
211 buf_size = min(count, sizeof(buf) - 1);
212 if (copy_from_user(buf, user_buf, buf_size))
213 return -EFAULT;
214
215 if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
216 priv->dbgfs_sram_offset = offset;
217 priv->dbgfs_sram_len = len;
218 } else if (sscanf(buf, "%x", &offset) == 1) {
219 priv->dbgfs_sram_offset = offset;
220 priv->dbgfs_sram_len = -4;
221 } else {
222 priv->dbgfs_sram_offset = 0;
223 priv->dbgfs_sram_len = 0;
224 }
225
226 return count;
227 }
228
229 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
230 char __user *user_buf,
231 size_t count, loff_t *ppos)
232 {
233 struct iwl_priv *priv = file->private_data;
234 const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
235
236 if (!priv->wowlan_sram)
237 return -ENODATA;
238
239 return simple_read_from_buffer(user_buf, count, ppos,
240 priv->wowlan_sram,
241 img->sec[IWL_UCODE_SECTION_DATA].len);
242 }
243 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
244 size_t count, loff_t *ppos)
245 {
246 struct iwl_priv *priv = file->private_data;
247 struct iwl_station_entry *station;
248 struct iwl_tid_data *tid_data;
249 char *buf;
250 int i, j, pos = 0;
251 ssize_t ret;
252 /* Add 30 for initial string */
253 const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
254
255 buf = kmalloc(bufsz, GFP_KERNEL);
256 if (!buf)
257 return -ENOMEM;
258
259 pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
260 priv->num_stations);
261
262 for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
263 station = &priv->stations[i];
264 if (!station->used)
265 continue;
266 pos += scnprintf(buf + pos, bufsz - pos,
267 "station %d - addr: %pM, flags: %#x\n",
268 i, station->sta.sta.addr,
269 station->sta.station_flags_msk);
270 pos += scnprintf(buf + pos, bufsz - pos,
271 "TID seqno next_rclmd "
272 "rate_n_flags state txq\n");
273
274 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
275 tid_data = &priv->tid_data[i][j];
276 pos += scnprintf(buf + pos, bufsz - pos,
277 "%d: 0x%.4x 0x%.4x 0x%.8x "
278 "%d %.2d",
279 j, tid_data->seq_number,
280 tid_data->next_reclaimed,
281 tid_data->agg.rate_n_flags,
282 tid_data->agg.state,
283 tid_data->agg.txq_id);
284
285 if (tid_data->agg.wait_for_ba)
286 pos += scnprintf(buf + pos, bufsz - pos,
287 " - waitforba");
288 pos += scnprintf(buf + pos, bufsz - pos, "\n");
289 }
290
291 pos += scnprintf(buf + pos, bufsz - pos, "\n");
292 }
293
294 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
295 kfree(buf);
296 return ret;
297 }
298
299 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
300 char __user *user_buf,
301 size_t count,
302 loff_t *ppos)
303 {
304 ssize_t ret;
305 struct iwl_priv *priv = file->private_data;
306 int pos = 0, ofs = 0, buf_size = 0;
307 const u8 *ptr;
308 char *buf;
309 u16 eeprom_ver;
310 size_t eeprom_len = priv->cfg->base_params->eeprom_size;
311 buf_size = 4 * eeprom_len + 256;
312
313 if (eeprom_len % 16)
314 return -ENODATA;
315
316 ptr = priv->eeprom;
317 if (!ptr)
318 return -ENOMEM;
319
320 /* 4 characters for byte 0xYY */
321 buf = kzalloc(buf_size, GFP_KERNEL);
322 if (!buf)
323 return -ENOMEM;
324
325 eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
326 pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
327 "version: 0x%x\n",
328 (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
329 ? "OTP" : "EEPROM", eeprom_ver);
330 for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
331 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
332 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
333 buf_size - pos, 0);
334 pos += strlen(buf + pos);
335 if (buf_size - pos > 0)
336 buf[pos++] = '\n';
337 }
338
339 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
340 kfree(buf);
341 return ret;
342 }
343
344 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
345 size_t count, loff_t *ppos)
346 {
347 struct iwl_priv *priv = file->private_data;
348 struct ieee80211_channel *channels = NULL;
349 const struct ieee80211_supported_band *supp_band = NULL;
350 int pos = 0, i, bufsz = PAGE_SIZE;
351 char *buf;
352 ssize_t ret;
353
354 if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
355 return -EAGAIN;
356
357 buf = kzalloc(bufsz, GFP_KERNEL);
358 if (!buf)
359 return -ENOMEM;
360
361 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
362 if (supp_band) {
363 channels = supp_band->channels;
364
365 pos += scnprintf(buf + pos, bufsz - pos,
366 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
367 supp_band->n_channels);
368
369 for (i = 0; i < supp_band->n_channels; i++)
370 pos += scnprintf(buf + pos, bufsz - pos,
371 "%d: %ddBm: BSS%s%s, %s.\n",
372 channels[i].hw_value,
373 channels[i].max_power,
374 channels[i].flags & IEEE80211_CHAN_RADAR ?
375 " (IEEE 802.11h required)" : "",
376 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
377 || (channels[i].flags &
378 IEEE80211_CHAN_RADAR)) ? "" :
379 ", IBSS",
380 channels[i].flags &
381 IEEE80211_CHAN_PASSIVE_SCAN ?
382 "passive only" : "active/passive");
383 }
384 supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
385 if (supp_band) {
386 channels = supp_band->channels;
387
388 pos += scnprintf(buf + pos, bufsz - pos,
389 "Displaying %d channels in 5.2GHz band (802.11a)\n",
390 supp_band->n_channels);
391
392 for (i = 0; i < supp_band->n_channels; i++)
393 pos += scnprintf(buf + pos, bufsz - pos,
394 "%d: %ddBm: BSS%s%s, %s.\n",
395 channels[i].hw_value,
396 channels[i].max_power,
397 channels[i].flags & IEEE80211_CHAN_RADAR ?
398 " (IEEE 802.11h required)" : "",
399 ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
400 || (channels[i].flags &
401 IEEE80211_CHAN_RADAR)) ? "" :
402 ", IBSS",
403 channels[i].flags &
404 IEEE80211_CHAN_PASSIVE_SCAN ?
405 "passive only" : "active/passive");
406 }
407 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
408 kfree(buf);
409 return ret;
410 }
411
412 static ssize_t iwl_dbgfs_status_read(struct file *file,
413 char __user *user_buf,
414 size_t count, loff_t *ppos) {
415
416 struct iwl_priv *priv = file->private_data;
417 char buf[512];
418 int pos = 0;
419 const size_t bufsz = sizeof(buf);
420
421 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
422 test_bit(STATUS_RF_KILL_HW, &priv->status));
423 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
424 test_bit(STATUS_CT_KILL, &priv->status));
425 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
426 test_bit(STATUS_ALIVE, &priv->status));
427 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
428 test_bit(STATUS_READY, &priv->status));
429 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
430 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
431 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
432 test_bit(STATUS_EXIT_PENDING, &priv->status));
433 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
434 test_bit(STATUS_STATISTICS, &priv->status));
435 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
436 test_bit(STATUS_SCANNING, &priv->status));
437 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
438 test_bit(STATUS_SCAN_ABORTING, &priv->status));
439 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
440 test_bit(STATUS_SCAN_HW, &priv->status));
441 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
442 test_bit(STATUS_POWER_PMI, &priv->status));
443 pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
444 test_bit(STATUS_FW_ERROR, &priv->status));
445 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
446 }
447
448 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
449 char __user *user_buf,
450 size_t count, loff_t *ppos) {
451
452 struct iwl_priv *priv = file->private_data;
453
454 int pos = 0;
455 int cnt = 0;
456 char *buf;
457 int bufsz = 24 * 64; /* 24 items * 64 char per item */
458 ssize_t ret;
459
460 buf = kzalloc(bufsz, GFP_KERNEL);
461 if (!buf)
462 return -ENOMEM;
463
464 for (cnt = 0; cnt < REPLY_MAX; cnt++) {
465 if (priv->rx_handlers_stats[cnt] > 0)
466 pos += scnprintf(buf + pos, bufsz - pos,
467 "\tRx handler[%36s]:\t\t %u\n",
468 iwl_dvm_get_cmd_string(cnt),
469 priv->rx_handlers_stats[cnt]);
470 }
471
472 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
473 kfree(buf);
474 return ret;
475 }
476
477 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
478 const char __user *user_buf,
479 size_t count, loff_t *ppos)
480 {
481 struct iwl_priv *priv = file->private_data;
482
483 char buf[8];
484 int buf_size;
485 u32 reset_flag;
486
487 memset(buf, 0, sizeof(buf));
488 buf_size = min(count, sizeof(buf) - 1);
489 if (copy_from_user(buf, user_buf, buf_size))
490 return -EFAULT;
491 if (sscanf(buf, "%x", &reset_flag) != 1)
492 return -EFAULT;
493 if (reset_flag == 0)
494 memset(&priv->rx_handlers_stats[0], 0,
495 sizeof(priv->rx_handlers_stats));
496
497 return count;
498 }
499
500 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
501 size_t count, loff_t *ppos)
502 {
503 struct iwl_priv *priv = file->private_data;
504 struct iwl_rxon_context *ctx;
505 int pos = 0, i;
506 char buf[256 * NUM_IWL_RXON_CTX];
507 const size_t bufsz = sizeof(buf);
508
509 for_each_context(priv, ctx) {
510 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
511 ctx->ctxid);
512 for (i = 0; i < AC_NUM; i++) {
513 pos += scnprintf(buf + pos, bufsz - pos,
514 "\tcw_min\tcw_max\taifsn\ttxop\n");
515 pos += scnprintf(buf + pos, bufsz - pos,
516 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
517 ctx->qos_data.def_qos_parm.ac[i].cw_min,
518 ctx->qos_data.def_qos_parm.ac[i].cw_max,
519 ctx->qos_data.def_qos_parm.ac[i].aifsn,
520 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
521 }
522 pos += scnprintf(buf + pos, bufsz - pos, "\n");
523 }
524 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
525 }
526
527 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
528 char __user *user_buf,
529 size_t count, loff_t *ppos)
530 {
531 struct iwl_priv *priv = file->private_data;
532 struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
533 struct iwl_tt_restriction *restriction;
534 char buf[100];
535 int pos = 0;
536 const size_t bufsz = sizeof(buf);
537
538 pos += scnprintf(buf + pos, bufsz - pos,
539 "Thermal Throttling Mode: %s\n",
540 tt->advanced_tt ? "Advance" : "Legacy");
541 pos += scnprintf(buf + pos, bufsz - pos,
542 "Thermal Throttling State: %d\n",
543 tt->state);
544 if (tt->advanced_tt) {
545 restriction = tt->restriction + tt->state;
546 pos += scnprintf(buf + pos, bufsz - pos,
547 "Tx mode: %d\n",
548 restriction->tx_stream);
549 pos += scnprintf(buf + pos, bufsz - pos,
550 "Rx mode: %d\n",
551 restriction->rx_stream);
552 pos += scnprintf(buf + pos, bufsz - pos,
553 "HT mode: %d\n",
554 restriction->is_ht);
555 }
556 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
557 }
558
559 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
560 const char __user *user_buf,
561 size_t count, loff_t *ppos)
562 {
563 struct iwl_priv *priv = file->private_data;
564 char buf[8];
565 int buf_size;
566 int ht40;
567
568 memset(buf, 0, sizeof(buf));
569 buf_size = min(count, sizeof(buf) - 1);
570 if (copy_from_user(buf, user_buf, buf_size))
571 return -EFAULT;
572 if (sscanf(buf, "%d", &ht40) != 1)
573 return -EFAULT;
574 if (!iwl_is_any_associated(priv))
575 priv->disable_ht40 = ht40 ? true : false;
576 else
577 return -EINVAL;
578
579 return count;
580 }
581
582 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
583 char __user *user_buf,
584 size_t count, loff_t *ppos)
585 {
586 struct iwl_priv *priv = file->private_data;
587 char buf[100];
588 int pos = 0;
589 const size_t bufsz = sizeof(buf);
590
591 pos += scnprintf(buf + pos, bufsz - pos,
592 "11n 40MHz Mode: %s\n",
593 priv->disable_ht40 ? "Disabled" : "Enabled");
594 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
595 }
596
597 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
598 char __user *user_buf,
599 size_t count, loff_t *ppos)
600 {
601 struct iwl_priv *priv = file->private_data;
602 char buf[8];
603 int pos = 0;
604 const size_t bufsz = sizeof(buf);
605
606 pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
607 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
608 }
609
610
611 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
612 const char __user *user_buf,
613 size_t count, loff_t *ppos)
614 {
615 struct iwl_priv *priv = file->private_data;
616 char buf[8];
617 int buf_size;
618 int value;
619
620 memset(buf, 0, sizeof(buf));
621 buf_size = min(count, sizeof(buf) - 1);
622 if (copy_from_user(buf, user_buf, buf_size))
623 return -EFAULT;
624
625 if (sscanf(buf, "%d", &value) != 1)
626 return -EINVAL;
627
628 /*
629 * Our users expect 0 to be "CAM", but 0 isn't actually
630 * valid here. However, let's not confuse them and present
631 * IWL_POWER_INDEX_1 as "1", not "0".
632 */
633 if (value == 0)
634 return -EINVAL;
635 else if (value > 0)
636 value -= 1;
637
638 if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
639 return -EINVAL;
640
641 if (!iwl_is_ready_rf(priv))
642 return -EAGAIN;
643
644 priv->power_data.debug_sleep_level_override = value;
645
646 mutex_lock(&priv->mutex);
647 iwl_power_update_mode(priv, true);
648 mutex_unlock(&priv->mutex);
649
650 return count;
651 }
652
653 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
654 char __user *user_buf,
655 size_t count, loff_t *ppos)
656 {
657 struct iwl_priv *priv = file->private_data;
658 char buf[10];
659 int pos, value;
660 const size_t bufsz = sizeof(buf);
661
662 /* see the write function */
663 value = priv->power_data.debug_sleep_level_override;
664 if (value >= 0)
665 value += 1;
666
667 pos = scnprintf(buf, bufsz, "%d\n", value);
668 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
669 }
670
671 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
672 char __user *user_buf,
673 size_t count, loff_t *ppos)
674 {
675 struct iwl_priv *priv = file->private_data;
676 char buf[200];
677 int pos = 0, i;
678 const size_t bufsz = sizeof(buf);
679 struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
680
681 pos += scnprintf(buf + pos, bufsz - pos,
682 "flags: %#.2x\n", le16_to_cpu(cmd->flags));
683 pos += scnprintf(buf + pos, bufsz - pos,
684 "RX/TX timeout: %d/%d usec\n",
685 le32_to_cpu(cmd->rx_data_timeout),
686 le32_to_cpu(cmd->tx_data_timeout));
687 for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
688 pos += scnprintf(buf + pos, bufsz - pos,
689 "sleep_interval[%d]: %d\n", i,
690 le32_to_cpu(cmd->sleep_interval[i]));
691
692 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
693 }
694
695 DEBUGFS_READ_WRITE_FILE_OPS(sram);
696 DEBUGFS_READ_FILE_OPS(wowlan_sram);
697 DEBUGFS_READ_FILE_OPS(nvm);
698 DEBUGFS_READ_FILE_OPS(stations);
699 DEBUGFS_READ_FILE_OPS(channels);
700 DEBUGFS_READ_FILE_OPS(status);
701 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
702 DEBUGFS_READ_FILE_OPS(qos);
703 DEBUGFS_READ_FILE_OPS(thermal_throttling);
704 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
705 DEBUGFS_READ_FILE_OPS(temperature);
706 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
707 DEBUGFS_READ_FILE_OPS(current_sleep_command);
708
709 static const char *fmt_value = " %-30s %10u\n";
710 static const char *fmt_hex = " %-30s 0x%02X\n";
711 static const char *fmt_table = " %-30s %10u %10u %10u %10u\n";
712 static const char *fmt_header =
713 "%-32s current cumulative delta max\n";
714
715 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
716 {
717 int p = 0;
718 u32 flag;
719
720 lockdep_assert_held(&priv->statistics.lock);
721
722 flag = le32_to_cpu(priv->statistics.flag);
723
724 p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
725 if (flag & UCODE_STATISTICS_CLEAR_MSK)
726 p += scnprintf(buf + p, bufsz - p,
727 "\tStatistics have been cleared\n");
728 p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
729 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
730 ? "2.4 GHz" : "5.2 GHz");
731 p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
732 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
733 ? "enabled" : "disabled");
734
735 return p;
736 }
737
738 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
739 char __user *user_buf,
740 size_t count, loff_t *ppos)
741 {
742 struct iwl_priv *priv = file->private_data;
743 int pos = 0;
744 char *buf;
745 int bufsz = sizeof(struct statistics_rx_phy) * 40 +
746 sizeof(struct statistics_rx_non_phy) * 40 +
747 sizeof(struct statistics_rx_ht_phy) * 40 + 400;
748 ssize_t ret;
749 struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
750 struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
751 struct statistics_rx_non_phy *general, *accum_general;
752 struct statistics_rx_non_phy *delta_general, *max_general;
753 struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
754
755 if (!iwl_is_alive(priv))
756 return -EAGAIN;
757
758 buf = kzalloc(bufsz, GFP_KERNEL);
759 if (!buf)
760 return -ENOMEM;
761
762 /*
763 * the statistic information display here is based on
764 * the last statistics notification from uCode
765 * might not reflect the current uCode activity
766 */
767 spin_lock_bh(&priv->statistics.lock);
768 ofdm = &priv->statistics.rx_ofdm;
769 cck = &priv->statistics.rx_cck;
770 general = &priv->statistics.rx_non_phy;
771 ht = &priv->statistics.rx_ofdm_ht;
772 accum_ofdm = &priv->accum_stats.rx_ofdm;
773 accum_cck = &priv->accum_stats.rx_cck;
774 accum_general = &priv->accum_stats.rx_non_phy;
775 accum_ht = &priv->accum_stats.rx_ofdm_ht;
776 delta_ofdm = &priv->delta_stats.rx_ofdm;
777 delta_cck = &priv->delta_stats.rx_cck;
778 delta_general = &priv->delta_stats.rx_non_phy;
779 delta_ht = &priv->delta_stats.rx_ofdm_ht;
780 max_ofdm = &priv->max_delta_stats.rx_ofdm;
781 max_cck = &priv->max_delta_stats.rx_cck;
782 max_general = &priv->max_delta_stats.rx_non_phy;
783 max_ht = &priv->max_delta_stats.rx_ofdm_ht;
784
785 pos += iwl_statistics_flag(priv, buf, bufsz);
786 pos += scnprintf(buf + pos, bufsz - pos,
787 fmt_header, "Statistics_Rx - OFDM:");
788 pos += scnprintf(buf + pos, bufsz - pos,
789 fmt_table, "ina_cnt:",
790 le32_to_cpu(ofdm->ina_cnt),
791 accum_ofdm->ina_cnt,
792 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
793 pos += scnprintf(buf + pos, bufsz - pos,
794 fmt_table, "fina_cnt:",
795 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
796 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
797 pos += scnprintf(buf + pos, bufsz - pos,
798 fmt_table, "plcp_err:",
799 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
800 delta_ofdm->plcp_err, max_ofdm->plcp_err);
801 pos += scnprintf(buf + pos, bufsz - pos,
802 fmt_table, "crc32_err:",
803 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
804 delta_ofdm->crc32_err, max_ofdm->crc32_err);
805 pos += scnprintf(buf + pos, bufsz - pos,
806 fmt_table, "overrun_err:",
807 le32_to_cpu(ofdm->overrun_err),
808 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
809 max_ofdm->overrun_err);
810 pos += scnprintf(buf + pos, bufsz - pos,
811 fmt_table, "early_overrun_err:",
812 le32_to_cpu(ofdm->early_overrun_err),
813 accum_ofdm->early_overrun_err,
814 delta_ofdm->early_overrun_err,
815 max_ofdm->early_overrun_err);
816 pos += scnprintf(buf + pos, bufsz - pos,
817 fmt_table, "crc32_good:",
818 le32_to_cpu(ofdm->crc32_good),
819 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
820 max_ofdm->crc32_good);
821 pos += scnprintf(buf + pos, bufsz - pos,
822 fmt_table, "false_alarm_cnt:",
823 le32_to_cpu(ofdm->false_alarm_cnt),
824 accum_ofdm->false_alarm_cnt,
825 delta_ofdm->false_alarm_cnt,
826 max_ofdm->false_alarm_cnt);
827 pos += scnprintf(buf + pos, bufsz - pos,
828 fmt_table, "fina_sync_err_cnt:",
829 le32_to_cpu(ofdm->fina_sync_err_cnt),
830 accum_ofdm->fina_sync_err_cnt,
831 delta_ofdm->fina_sync_err_cnt,
832 max_ofdm->fina_sync_err_cnt);
833 pos += scnprintf(buf + pos, bufsz - pos,
834 fmt_table, "sfd_timeout:",
835 le32_to_cpu(ofdm->sfd_timeout),
836 accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
837 max_ofdm->sfd_timeout);
838 pos += scnprintf(buf + pos, bufsz - pos,
839 fmt_table, "fina_timeout:",
840 le32_to_cpu(ofdm->fina_timeout),
841 accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
842 max_ofdm->fina_timeout);
843 pos += scnprintf(buf + pos, bufsz - pos,
844 fmt_table, "unresponded_rts:",
845 le32_to_cpu(ofdm->unresponded_rts),
846 accum_ofdm->unresponded_rts,
847 delta_ofdm->unresponded_rts,
848 max_ofdm->unresponded_rts);
849 pos += scnprintf(buf + pos, bufsz - pos,
850 fmt_table, "rxe_frame_lmt_ovrun:",
851 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
852 accum_ofdm->rxe_frame_limit_overrun,
853 delta_ofdm->rxe_frame_limit_overrun,
854 max_ofdm->rxe_frame_limit_overrun);
855 pos += scnprintf(buf + pos, bufsz - pos,
856 fmt_table, "sent_ack_cnt:",
857 le32_to_cpu(ofdm->sent_ack_cnt),
858 accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
859 max_ofdm->sent_ack_cnt);
860 pos += scnprintf(buf + pos, bufsz - pos,
861 fmt_table, "sent_cts_cnt:",
862 le32_to_cpu(ofdm->sent_cts_cnt),
863 accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
864 max_ofdm->sent_cts_cnt);
865 pos += scnprintf(buf + pos, bufsz - pos,
866 fmt_table, "sent_ba_rsp_cnt:",
867 le32_to_cpu(ofdm->sent_ba_rsp_cnt),
868 accum_ofdm->sent_ba_rsp_cnt,
869 delta_ofdm->sent_ba_rsp_cnt,
870 max_ofdm->sent_ba_rsp_cnt);
871 pos += scnprintf(buf + pos, bufsz - pos,
872 fmt_table, "dsp_self_kill:",
873 le32_to_cpu(ofdm->dsp_self_kill),
874 accum_ofdm->dsp_self_kill,
875 delta_ofdm->dsp_self_kill,
876 max_ofdm->dsp_self_kill);
877 pos += scnprintf(buf + pos, bufsz - pos,
878 fmt_table, "mh_format_err:",
879 le32_to_cpu(ofdm->mh_format_err),
880 accum_ofdm->mh_format_err,
881 delta_ofdm->mh_format_err,
882 max_ofdm->mh_format_err);
883 pos += scnprintf(buf + pos, bufsz - pos,
884 fmt_table, "re_acq_main_rssi_sum:",
885 le32_to_cpu(ofdm->re_acq_main_rssi_sum),
886 accum_ofdm->re_acq_main_rssi_sum,
887 delta_ofdm->re_acq_main_rssi_sum,
888 max_ofdm->re_acq_main_rssi_sum);
889
890 pos += scnprintf(buf + pos, bufsz - pos,
891 fmt_header, "Statistics_Rx - CCK:");
892 pos += scnprintf(buf + pos, bufsz - pos,
893 fmt_table, "ina_cnt:",
894 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
895 delta_cck->ina_cnt, max_cck->ina_cnt);
896 pos += scnprintf(buf + pos, bufsz - pos,
897 fmt_table, "fina_cnt:",
898 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
899 delta_cck->fina_cnt, max_cck->fina_cnt);
900 pos += scnprintf(buf + pos, bufsz - pos,
901 fmt_table, "plcp_err:",
902 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
903 delta_cck->plcp_err, max_cck->plcp_err);
904 pos += scnprintf(buf + pos, bufsz - pos,
905 fmt_table, "crc32_err:",
906 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
907 delta_cck->crc32_err, max_cck->crc32_err);
908 pos += scnprintf(buf + pos, bufsz - pos,
909 fmt_table, "overrun_err:",
910 le32_to_cpu(cck->overrun_err),
911 accum_cck->overrun_err, delta_cck->overrun_err,
912 max_cck->overrun_err);
913 pos += scnprintf(buf + pos, bufsz - pos,
914 fmt_table, "early_overrun_err:",
915 le32_to_cpu(cck->early_overrun_err),
916 accum_cck->early_overrun_err,
917 delta_cck->early_overrun_err,
918 max_cck->early_overrun_err);
919 pos += scnprintf(buf + pos, bufsz - pos,
920 fmt_table, "crc32_good:",
921 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
922 delta_cck->crc32_good, max_cck->crc32_good);
923 pos += scnprintf(buf + pos, bufsz - pos,
924 fmt_table, "false_alarm_cnt:",
925 le32_to_cpu(cck->false_alarm_cnt),
926 accum_cck->false_alarm_cnt,
927 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
928 pos += scnprintf(buf + pos, bufsz - pos,
929 fmt_table, "fina_sync_err_cnt:",
930 le32_to_cpu(cck->fina_sync_err_cnt),
931 accum_cck->fina_sync_err_cnt,
932 delta_cck->fina_sync_err_cnt,
933 max_cck->fina_sync_err_cnt);
934 pos += scnprintf(buf + pos, bufsz - pos,
935 fmt_table, "sfd_timeout:",
936 le32_to_cpu(cck->sfd_timeout),
937 accum_cck->sfd_timeout, delta_cck->sfd_timeout,
938 max_cck->sfd_timeout);
939 pos += scnprintf(buf + pos, bufsz - pos,
940 fmt_table, "fina_timeout:",
941 le32_to_cpu(cck->fina_timeout),
942 accum_cck->fina_timeout, delta_cck->fina_timeout,
943 max_cck->fina_timeout);
944 pos += scnprintf(buf + pos, bufsz - pos,
945 fmt_table, "unresponded_rts:",
946 le32_to_cpu(cck->unresponded_rts),
947 accum_cck->unresponded_rts, delta_cck->unresponded_rts,
948 max_cck->unresponded_rts);
949 pos += scnprintf(buf + pos, bufsz - pos,
950 fmt_table, "rxe_frame_lmt_ovrun:",
951 le32_to_cpu(cck->rxe_frame_limit_overrun),
952 accum_cck->rxe_frame_limit_overrun,
953 delta_cck->rxe_frame_limit_overrun,
954 max_cck->rxe_frame_limit_overrun);
955 pos += scnprintf(buf + pos, bufsz - pos,
956 fmt_table, "sent_ack_cnt:",
957 le32_to_cpu(cck->sent_ack_cnt),
958 accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
959 max_cck->sent_ack_cnt);
960 pos += scnprintf(buf + pos, bufsz - pos,
961 fmt_table, "sent_cts_cnt:",
962 le32_to_cpu(cck->sent_cts_cnt),
963 accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
964 max_cck->sent_cts_cnt);
965 pos += scnprintf(buf + pos, bufsz - pos,
966 fmt_table, "sent_ba_rsp_cnt:",
967 le32_to_cpu(cck->sent_ba_rsp_cnt),
968 accum_cck->sent_ba_rsp_cnt,
969 delta_cck->sent_ba_rsp_cnt,
970 max_cck->sent_ba_rsp_cnt);
971 pos += scnprintf(buf + pos, bufsz - pos,
972 fmt_table, "dsp_self_kill:",
973 le32_to_cpu(cck->dsp_self_kill),
974 accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
975 max_cck->dsp_self_kill);
976 pos += scnprintf(buf + pos, bufsz - pos,
977 fmt_table, "mh_format_err:",
978 le32_to_cpu(cck->mh_format_err),
979 accum_cck->mh_format_err, delta_cck->mh_format_err,
980 max_cck->mh_format_err);
981 pos += scnprintf(buf + pos, bufsz - pos,
982 fmt_table, "re_acq_main_rssi_sum:",
983 le32_to_cpu(cck->re_acq_main_rssi_sum),
984 accum_cck->re_acq_main_rssi_sum,
985 delta_cck->re_acq_main_rssi_sum,
986 max_cck->re_acq_main_rssi_sum);
987
988 pos += scnprintf(buf + pos, bufsz - pos,
989 fmt_header, "Statistics_Rx - GENERAL:");
990 pos += scnprintf(buf + pos, bufsz - pos,
991 fmt_table, "bogus_cts:",
992 le32_to_cpu(general->bogus_cts),
993 accum_general->bogus_cts, delta_general->bogus_cts,
994 max_general->bogus_cts);
995 pos += scnprintf(buf + pos, bufsz - pos,
996 fmt_table, "bogus_ack:",
997 le32_to_cpu(general->bogus_ack),
998 accum_general->bogus_ack, delta_general->bogus_ack,
999 max_general->bogus_ack);
1000 pos += scnprintf(buf + pos, bufsz - pos,
1001 fmt_table, "non_bssid_frames:",
1002 le32_to_cpu(general->non_bssid_frames),
1003 accum_general->non_bssid_frames,
1004 delta_general->non_bssid_frames,
1005 max_general->non_bssid_frames);
1006 pos += scnprintf(buf + pos, bufsz - pos,
1007 fmt_table, "filtered_frames:",
1008 le32_to_cpu(general->filtered_frames),
1009 accum_general->filtered_frames,
1010 delta_general->filtered_frames,
1011 max_general->filtered_frames);
1012 pos += scnprintf(buf + pos, bufsz - pos,
1013 fmt_table, "non_channel_beacons:",
1014 le32_to_cpu(general->non_channel_beacons),
1015 accum_general->non_channel_beacons,
1016 delta_general->non_channel_beacons,
1017 max_general->non_channel_beacons);
1018 pos += scnprintf(buf + pos, bufsz - pos,
1019 fmt_table, "channel_beacons:",
1020 le32_to_cpu(general->channel_beacons),
1021 accum_general->channel_beacons,
1022 delta_general->channel_beacons,
1023 max_general->channel_beacons);
1024 pos += scnprintf(buf + pos, bufsz - pos,
1025 fmt_table, "num_missed_bcon:",
1026 le32_to_cpu(general->num_missed_bcon),
1027 accum_general->num_missed_bcon,
1028 delta_general->num_missed_bcon,
1029 max_general->num_missed_bcon);
1030 pos += scnprintf(buf + pos, bufsz - pos,
1031 fmt_table, "adc_rx_saturation_time:",
1032 le32_to_cpu(general->adc_rx_saturation_time),
1033 accum_general->adc_rx_saturation_time,
1034 delta_general->adc_rx_saturation_time,
1035 max_general->adc_rx_saturation_time);
1036 pos += scnprintf(buf + pos, bufsz - pos,
1037 fmt_table, "ina_detect_search_tm:",
1038 le32_to_cpu(general->ina_detection_search_time),
1039 accum_general->ina_detection_search_time,
1040 delta_general->ina_detection_search_time,
1041 max_general->ina_detection_search_time);
1042 pos += scnprintf(buf + pos, bufsz - pos,
1043 fmt_table, "beacon_silence_rssi_a:",
1044 le32_to_cpu(general->beacon_silence_rssi_a),
1045 accum_general->beacon_silence_rssi_a,
1046 delta_general->beacon_silence_rssi_a,
1047 max_general->beacon_silence_rssi_a);
1048 pos += scnprintf(buf + pos, bufsz - pos,
1049 fmt_table, "beacon_silence_rssi_b:",
1050 le32_to_cpu(general->beacon_silence_rssi_b),
1051 accum_general->beacon_silence_rssi_b,
1052 delta_general->beacon_silence_rssi_b,
1053 max_general->beacon_silence_rssi_b);
1054 pos += scnprintf(buf + pos, bufsz - pos,
1055 fmt_table, "beacon_silence_rssi_c:",
1056 le32_to_cpu(general->beacon_silence_rssi_c),
1057 accum_general->beacon_silence_rssi_c,
1058 delta_general->beacon_silence_rssi_c,
1059 max_general->beacon_silence_rssi_c);
1060 pos += scnprintf(buf + pos, bufsz - pos,
1061 fmt_table, "interference_data_flag:",
1062 le32_to_cpu(general->interference_data_flag),
1063 accum_general->interference_data_flag,
1064 delta_general->interference_data_flag,
1065 max_general->interference_data_flag);
1066 pos += scnprintf(buf + pos, bufsz - pos,
1067 fmt_table, "channel_load:",
1068 le32_to_cpu(general->channel_load),
1069 accum_general->channel_load,
1070 delta_general->channel_load,
1071 max_general->channel_load);
1072 pos += scnprintf(buf + pos, bufsz - pos,
1073 fmt_table, "dsp_false_alarms:",
1074 le32_to_cpu(general->dsp_false_alarms),
1075 accum_general->dsp_false_alarms,
1076 delta_general->dsp_false_alarms,
1077 max_general->dsp_false_alarms);
1078 pos += scnprintf(buf + pos, bufsz - pos,
1079 fmt_table, "beacon_rssi_a:",
1080 le32_to_cpu(general->beacon_rssi_a),
1081 accum_general->beacon_rssi_a,
1082 delta_general->beacon_rssi_a,
1083 max_general->beacon_rssi_a);
1084 pos += scnprintf(buf + pos, bufsz - pos,
1085 fmt_table, "beacon_rssi_b:",
1086 le32_to_cpu(general->beacon_rssi_b),
1087 accum_general->beacon_rssi_b,
1088 delta_general->beacon_rssi_b,
1089 max_general->beacon_rssi_b);
1090 pos += scnprintf(buf + pos, bufsz - pos,
1091 fmt_table, "beacon_rssi_c:",
1092 le32_to_cpu(general->beacon_rssi_c),
1093 accum_general->beacon_rssi_c,
1094 delta_general->beacon_rssi_c,
1095 max_general->beacon_rssi_c);
1096 pos += scnprintf(buf + pos, bufsz - pos,
1097 fmt_table, "beacon_energy_a:",
1098 le32_to_cpu(general->beacon_energy_a),
1099 accum_general->beacon_energy_a,
1100 delta_general->beacon_energy_a,
1101 max_general->beacon_energy_a);
1102 pos += scnprintf(buf + pos, bufsz - pos,
1103 fmt_table, "beacon_energy_b:",
1104 le32_to_cpu(general->beacon_energy_b),
1105 accum_general->beacon_energy_b,
1106 delta_general->beacon_energy_b,
1107 max_general->beacon_energy_b);
1108 pos += scnprintf(buf + pos, bufsz - pos,
1109 fmt_table, "beacon_energy_c:",
1110 le32_to_cpu(general->beacon_energy_c),
1111 accum_general->beacon_energy_c,
1112 delta_general->beacon_energy_c,
1113 max_general->beacon_energy_c);
1114
1115 pos += scnprintf(buf + pos, bufsz - pos,
1116 fmt_header, "Statistics_Rx - OFDM_HT:");
1117 pos += scnprintf(buf + pos, bufsz - pos,
1118 fmt_table, "plcp_err:",
1119 le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1120 delta_ht->plcp_err, max_ht->plcp_err);
1121 pos += scnprintf(buf + pos, bufsz - pos,
1122 fmt_table, "overrun_err:",
1123 le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1124 delta_ht->overrun_err, max_ht->overrun_err);
1125 pos += scnprintf(buf + pos, bufsz - pos,
1126 fmt_table, "early_overrun_err:",
1127 le32_to_cpu(ht->early_overrun_err),
1128 accum_ht->early_overrun_err,
1129 delta_ht->early_overrun_err,
1130 max_ht->early_overrun_err);
1131 pos += scnprintf(buf + pos, bufsz - pos,
1132 fmt_table, "crc32_good:",
1133 le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1134 delta_ht->crc32_good, max_ht->crc32_good);
1135 pos += scnprintf(buf + pos, bufsz - pos,
1136 fmt_table, "crc32_err:",
1137 le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1138 delta_ht->crc32_err, max_ht->crc32_err);
1139 pos += scnprintf(buf + pos, bufsz - pos,
1140 fmt_table, "mh_format_err:",
1141 le32_to_cpu(ht->mh_format_err),
1142 accum_ht->mh_format_err,
1143 delta_ht->mh_format_err, max_ht->mh_format_err);
1144 pos += scnprintf(buf + pos, bufsz - pos,
1145 fmt_table, "agg_crc32_good:",
1146 le32_to_cpu(ht->agg_crc32_good),
1147 accum_ht->agg_crc32_good,
1148 delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1149 pos += scnprintf(buf + pos, bufsz - pos,
1150 fmt_table, "agg_mpdu_cnt:",
1151 le32_to_cpu(ht->agg_mpdu_cnt),
1152 accum_ht->agg_mpdu_cnt,
1153 delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1154 pos += scnprintf(buf + pos, bufsz - pos,
1155 fmt_table, "agg_cnt:",
1156 le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1157 delta_ht->agg_cnt, max_ht->agg_cnt);
1158 pos += scnprintf(buf + pos, bufsz - pos,
1159 fmt_table, "unsupport_mcs:",
1160 le32_to_cpu(ht->unsupport_mcs),
1161 accum_ht->unsupport_mcs,
1162 delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1163
1164 spin_unlock_bh(&priv->statistics.lock);
1165
1166 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1167 kfree(buf);
1168 return ret;
1169 }
1170
1171 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1172 char __user *user_buf,
1173 size_t count, loff_t *ppos)
1174 {
1175 struct iwl_priv *priv = file->private_data;
1176 int pos = 0;
1177 char *buf;
1178 int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1179 ssize_t ret;
1180 struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1181
1182 if (!iwl_is_alive(priv))
1183 return -EAGAIN;
1184
1185 buf = kzalloc(bufsz, GFP_KERNEL);
1186 if (!buf)
1187 return -ENOMEM;
1188
1189 /* the statistic information display here is based on
1190 * the last statistics notification from uCode
1191 * might not reflect the current uCode activity
1192 */
1193 spin_lock_bh(&priv->statistics.lock);
1194
1195 tx = &priv->statistics.tx;
1196 accum_tx = &priv->accum_stats.tx;
1197 delta_tx = &priv->delta_stats.tx;
1198 max_tx = &priv->max_delta_stats.tx;
1199
1200 pos += iwl_statistics_flag(priv, buf, bufsz);
1201 pos += scnprintf(buf + pos, bufsz - pos,
1202 fmt_header, "Statistics_Tx:");
1203 pos += scnprintf(buf + pos, bufsz - pos,
1204 fmt_table, "preamble:",
1205 le32_to_cpu(tx->preamble_cnt),
1206 accum_tx->preamble_cnt,
1207 delta_tx->preamble_cnt, max_tx->preamble_cnt);
1208 pos += scnprintf(buf + pos, bufsz - pos,
1209 fmt_table, "rx_detected_cnt:",
1210 le32_to_cpu(tx->rx_detected_cnt),
1211 accum_tx->rx_detected_cnt,
1212 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1213 pos += scnprintf(buf + pos, bufsz - pos,
1214 fmt_table, "bt_prio_defer_cnt:",
1215 le32_to_cpu(tx->bt_prio_defer_cnt),
1216 accum_tx->bt_prio_defer_cnt,
1217 delta_tx->bt_prio_defer_cnt,
1218 max_tx->bt_prio_defer_cnt);
1219 pos += scnprintf(buf + pos, bufsz - pos,
1220 fmt_table, "bt_prio_kill_cnt:",
1221 le32_to_cpu(tx->bt_prio_kill_cnt),
1222 accum_tx->bt_prio_kill_cnt,
1223 delta_tx->bt_prio_kill_cnt,
1224 max_tx->bt_prio_kill_cnt);
1225 pos += scnprintf(buf + pos, bufsz - pos,
1226 fmt_table, "few_bytes_cnt:",
1227 le32_to_cpu(tx->few_bytes_cnt),
1228 accum_tx->few_bytes_cnt,
1229 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1230 pos += scnprintf(buf + pos, bufsz - pos,
1231 fmt_table, "cts_timeout:",
1232 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1233 delta_tx->cts_timeout, max_tx->cts_timeout);
1234 pos += scnprintf(buf + pos, bufsz - pos,
1235 fmt_table, "ack_timeout:",
1236 le32_to_cpu(tx->ack_timeout),
1237 accum_tx->ack_timeout,
1238 delta_tx->ack_timeout, max_tx->ack_timeout);
1239 pos += scnprintf(buf + pos, bufsz - pos,
1240 fmt_table, "expected_ack_cnt:",
1241 le32_to_cpu(tx->expected_ack_cnt),
1242 accum_tx->expected_ack_cnt,
1243 delta_tx->expected_ack_cnt,
1244 max_tx->expected_ack_cnt);
1245 pos += scnprintf(buf + pos, bufsz - pos,
1246 fmt_table, "actual_ack_cnt:",
1247 le32_to_cpu(tx->actual_ack_cnt),
1248 accum_tx->actual_ack_cnt,
1249 delta_tx->actual_ack_cnt,
1250 max_tx->actual_ack_cnt);
1251 pos += scnprintf(buf + pos, bufsz - pos,
1252 fmt_table, "dump_msdu_cnt:",
1253 le32_to_cpu(tx->dump_msdu_cnt),
1254 accum_tx->dump_msdu_cnt,
1255 delta_tx->dump_msdu_cnt,
1256 max_tx->dump_msdu_cnt);
1257 pos += scnprintf(buf + pos, bufsz - pos,
1258 fmt_table, "abort_nxt_frame_mismatch:",
1259 le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1260 accum_tx->burst_abort_next_frame_mismatch_cnt,
1261 delta_tx->burst_abort_next_frame_mismatch_cnt,
1262 max_tx->burst_abort_next_frame_mismatch_cnt);
1263 pos += scnprintf(buf + pos, bufsz - pos,
1264 fmt_table, "abort_missing_nxt_frame:",
1265 le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1266 accum_tx->burst_abort_missing_next_frame_cnt,
1267 delta_tx->burst_abort_missing_next_frame_cnt,
1268 max_tx->burst_abort_missing_next_frame_cnt);
1269 pos += scnprintf(buf + pos, bufsz - pos,
1270 fmt_table, "cts_timeout_collision:",
1271 le32_to_cpu(tx->cts_timeout_collision),
1272 accum_tx->cts_timeout_collision,
1273 delta_tx->cts_timeout_collision,
1274 max_tx->cts_timeout_collision);
1275 pos += scnprintf(buf + pos, bufsz - pos,
1276 fmt_table, "ack_ba_timeout_collision:",
1277 le32_to_cpu(tx->ack_or_ba_timeout_collision),
1278 accum_tx->ack_or_ba_timeout_collision,
1279 delta_tx->ack_or_ba_timeout_collision,
1280 max_tx->ack_or_ba_timeout_collision);
1281 pos += scnprintf(buf + pos, bufsz - pos,
1282 fmt_table, "agg ba_timeout:",
1283 le32_to_cpu(tx->agg.ba_timeout),
1284 accum_tx->agg.ba_timeout,
1285 delta_tx->agg.ba_timeout,
1286 max_tx->agg.ba_timeout);
1287 pos += scnprintf(buf + pos, bufsz - pos,
1288 fmt_table, "agg ba_resched_frames:",
1289 le32_to_cpu(tx->agg.ba_reschedule_frames),
1290 accum_tx->agg.ba_reschedule_frames,
1291 delta_tx->agg.ba_reschedule_frames,
1292 max_tx->agg.ba_reschedule_frames);
1293 pos += scnprintf(buf + pos, bufsz - pos,
1294 fmt_table, "agg scd_query_agg_frame:",
1295 le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1296 accum_tx->agg.scd_query_agg_frame_cnt,
1297 delta_tx->agg.scd_query_agg_frame_cnt,
1298 max_tx->agg.scd_query_agg_frame_cnt);
1299 pos += scnprintf(buf + pos, bufsz - pos,
1300 fmt_table, "agg scd_query_no_agg:",
1301 le32_to_cpu(tx->agg.scd_query_no_agg),
1302 accum_tx->agg.scd_query_no_agg,
1303 delta_tx->agg.scd_query_no_agg,
1304 max_tx->agg.scd_query_no_agg);
1305 pos += scnprintf(buf + pos, bufsz - pos,
1306 fmt_table, "agg scd_query_agg:",
1307 le32_to_cpu(tx->agg.scd_query_agg),
1308 accum_tx->agg.scd_query_agg,
1309 delta_tx->agg.scd_query_agg,
1310 max_tx->agg.scd_query_agg);
1311 pos += scnprintf(buf + pos, bufsz - pos,
1312 fmt_table, "agg scd_query_mismatch:",
1313 le32_to_cpu(tx->agg.scd_query_mismatch),
1314 accum_tx->agg.scd_query_mismatch,
1315 delta_tx->agg.scd_query_mismatch,
1316 max_tx->agg.scd_query_mismatch);
1317 pos += scnprintf(buf + pos, bufsz - pos,
1318 fmt_table, "agg frame_not_ready:",
1319 le32_to_cpu(tx->agg.frame_not_ready),
1320 accum_tx->agg.frame_not_ready,
1321 delta_tx->agg.frame_not_ready,
1322 max_tx->agg.frame_not_ready);
1323 pos += scnprintf(buf + pos, bufsz - pos,
1324 fmt_table, "agg underrun:",
1325 le32_to_cpu(tx->agg.underrun),
1326 accum_tx->agg.underrun,
1327 delta_tx->agg.underrun, max_tx->agg.underrun);
1328 pos += scnprintf(buf + pos, bufsz - pos,
1329 fmt_table, "agg bt_prio_kill:",
1330 le32_to_cpu(tx->agg.bt_prio_kill),
1331 accum_tx->agg.bt_prio_kill,
1332 delta_tx->agg.bt_prio_kill,
1333 max_tx->agg.bt_prio_kill);
1334 pos += scnprintf(buf + pos, bufsz - pos,
1335 fmt_table, "agg rx_ba_rsp_cnt:",
1336 le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1337 accum_tx->agg.rx_ba_rsp_cnt,
1338 delta_tx->agg.rx_ba_rsp_cnt,
1339 max_tx->agg.rx_ba_rsp_cnt);
1340
1341 if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1342 pos += scnprintf(buf + pos, bufsz - pos,
1343 "tx power: (1/2 dB step)\n");
1344 if ((priv->hw_params.valid_tx_ant & ANT_A) &&
1345 tx->tx_power.ant_a)
1346 pos += scnprintf(buf + pos, bufsz - pos,
1347 fmt_hex, "antenna A:",
1348 tx->tx_power.ant_a);
1349 if ((priv->hw_params.valid_tx_ant & ANT_B) &&
1350 tx->tx_power.ant_b)
1351 pos += scnprintf(buf + pos, bufsz - pos,
1352 fmt_hex, "antenna B:",
1353 tx->tx_power.ant_b);
1354 if ((priv->hw_params.valid_tx_ant & ANT_C) &&
1355 tx->tx_power.ant_c)
1356 pos += scnprintf(buf + pos, bufsz - pos,
1357 fmt_hex, "antenna C:",
1358 tx->tx_power.ant_c);
1359 }
1360
1361 spin_unlock_bh(&priv->statistics.lock);
1362
1363 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1364 kfree(buf);
1365 return ret;
1366 }
1367
1368 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1369 char __user *user_buf,
1370 size_t count, loff_t *ppos)
1371 {
1372 struct iwl_priv *priv = file->private_data;
1373 int pos = 0;
1374 char *buf;
1375 int bufsz = sizeof(struct statistics_general) * 10 + 300;
1376 ssize_t ret;
1377 struct statistics_general_common *general, *accum_general;
1378 struct statistics_general_common *delta_general, *max_general;
1379 struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1380 struct statistics_div *div, *accum_div, *delta_div, *max_div;
1381
1382 if (!iwl_is_alive(priv))
1383 return -EAGAIN;
1384
1385 buf = kzalloc(bufsz, GFP_KERNEL);
1386 if (!buf)
1387 return -ENOMEM;
1388
1389 /* the statistic information display here is based on
1390 * the last statistics notification from uCode
1391 * might not reflect the current uCode activity
1392 */
1393
1394 spin_lock_bh(&priv->statistics.lock);
1395
1396 general = &priv->statistics.common;
1397 dbg = &priv->statistics.common.dbg;
1398 div = &priv->statistics.common.div;
1399 accum_general = &priv->accum_stats.common;
1400 accum_dbg = &priv->accum_stats.common.dbg;
1401 accum_div = &priv->accum_stats.common.div;
1402 delta_general = &priv->delta_stats.common;
1403 max_general = &priv->max_delta_stats.common;
1404 delta_dbg = &priv->delta_stats.common.dbg;
1405 max_dbg = &priv->max_delta_stats.common.dbg;
1406 delta_div = &priv->delta_stats.common.div;
1407 max_div = &priv->max_delta_stats.common.div;
1408
1409 pos += iwl_statistics_flag(priv, buf, bufsz);
1410 pos += scnprintf(buf + pos, bufsz - pos,
1411 fmt_header, "Statistics_General:");
1412 pos += scnprintf(buf + pos, bufsz - pos,
1413 fmt_value, "temperature:",
1414 le32_to_cpu(general->temperature));
1415 pos += scnprintf(buf + pos, bufsz - pos,
1416 fmt_value, "temperature_m:",
1417 le32_to_cpu(general->temperature_m));
1418 pos += scnprintf(buf + pos, bufsz - pos,
1419 fmt_value, "ttl_timestamp:",
1420 le32_to_cpu(general->ttl_timestamp));
1421 pos += scnprintf(buf + pos, bufsz - pos,
1422 fmt_table, "burst_check:",
1423 le32_to_cpu(dbg->burst_check),
1424 accum_dbg->burst_check,
1425 delta_dbg->burst_check, max_dbg->burst_check);
1426 pos += scnprintf(buf + pos, bufsz - pos,
1427 fmt_table, "burst_count:",
1428 le32_to_cpu(dbg->burst_count),
1429 accum_dbg->burst_count,
1430 delta_dbg->burst_count, max_dbg->burst_count);
1431 pos += scnprintf(buf + pos, bufsz - pos,
1432 fmt_table, "wait_for_silence_timeout_count:",
1433 le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1434 accum_dbg->wait_for_silence_timeout_cnt,
1435 delta_dbg->wait_for_silence_timeout_cnt,
1436 max_dbg->wait_for_silence_timeout_cnt);
1437 pos += scnprintf(buf + pos, bufsz - pos,
1438 fmt_table, "sleep_time:",
1439 le32_to_cpu(general->sleep_time),
1440 accum_general->sleep_time,
1441 delta_general->sleep_time, max_general->sleep_time);
1442 pos += scnprintf(buf + pos, bufsz - pos,
1443 fmt_table, "slots_out:",
1444 le32_to_cpu(general->slots_out),
1445 accum_general->slots_out,
1446 delta_general->slots_out, max_general->slots_out);
1447 pos += scnprintf(buf + pos, bufsz - pos,
1448 fmt_table, "slots_idle:",
1449 le32_to_cpu(general->slots_idle),
1450 accum_general->slots_idle,
1451 delta_general->slots_idle, max_general->slots_idle);
1452 pos += scnprintf(buf + pos, bufsz - pos,
1453 fmt_table, "tx_on_a:",
1454 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1455 delta_div->tx_on_a, max_div->tx_on_a);
1456 pos += scnprintf(buf + pos, bufsz - pos,
1457 fmt_table, "tx_on_b:",
1458 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1459 delta_div->tx_on_b, max_div->tx_on_b);
1460 pos += scnprintf(buf + pos, bufsz - pos,
1461 fmt_table, "exec_time:",
1462 le32_to_cpu(div->exec_time), accum_div->exec_time,
1463 delta_div->exec_time, max_div->exec_time);
1464 pos += scnprintf(buf + pos, bufsz - pos,
1465 fmt_table, "probe_time:",
1466 le32_to_cpu(div->probe_time), accum_div->probe_time,
1467 delta_div->probe_time, max_div->probe_time);
1468 pos += scnprintf(buf + pos, bufsz - pos,
1469 fmt_table, "rx_enable_counter:",
1470 le32_to_cpu(general->rx_enable_counter),
1471 accum_general->rx_enable_counter,
1472 delta_general->rx_enable_counter,
1473 max_general->rx_enable_counter);
1474 pos += scnprintf(buf + pos, bufsz - pos,
1475 fmt_table, "num_of_sos_states:",
1476 le32_to_cpu(general->num_of_sos_states),
1477 accum_general->num_of_sos_states,
1478 delta_general->num_of_sos_states,
1479 max_general->num_of_sos_states);
1480
1481 spin_unlock_bh(&priv->statistics.lock);
1482
1483 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1484 kfree(buf);
1485 return ret;
1486 }
1487
1488 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1489 char __user *user_buf,
1490 size_t count, loff_t *ppos)
1491 {
1492 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1493 int pos = 0;
1494 char *buf;
1495 int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1496 ssize_t ret;
1497 struct statistics_bt_activity *bt, *accum_bt;
1498
1499 if (!iwl_is_alive(priv))
1500 return -EAGAIN;
1501
1502 if (!priv->bt_enable_flag)
1503 return -EINVAL;
1504
1505 /* make request to uCode to retrieve statistics information */
1506 mutex_lock(&priv->mutex);
1507 ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1508 mutex_unlock(&priv->mutex);
1509
1510 if (ret)
1511 return -EAGAIN;
1512 buf = kzalloc(bufsz, GFP_KERNEL);
1513 if (!buf)
1514 return -ENOMEM;
1515
1516 /*
1517 * the statistic information display here is based on
1518 * the last statistics notification from uCode
1519 * might not reflect the current uCode activity
1520 */
1521
1522 spin_lock_bh(&priv->statistics.lock);
1523
1524 bt = &priv->statistics.bt_activity;
1525 accum_bt = &priv->accum_stats.bt_activity;
1526
1527 pos += iwl_statistics_flag(priv, buf, bufsz);
1528 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1529 pos += scnprintf(buf + pos, bufsz - pos,
1530 "\t\t\tcurrent\t\t\taccumulative\n");
1531 pos += scnprintf(buf + pos, bufsz - pos,
1532 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1533 le32_to_cpu(bt->hi_priority_tx_req_cnt),
1534 accum_bt->hi_priority_tx_req_cnt);
1535 pos += scnprintf(buf + pos, bufsz - pos,
1536 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1537 le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1538 accum_bt->hi_priority_tx_denied_cnt);
1539 pos += scnprintf(buf + pos, bufsz - pos,
1540 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1541 le32_to_cpu(bt->lo_priority_tx_req_cnt),
1542 accum_bt->lo_priority_tx_req_cnt);
1543 pos += scnprintf(buf + pos, bufsz - pos,
1544 "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1545 le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1546 accum_bt->lo_priority_tx_denied_cnt);
1547 pos += scnprintf(buf + pos, bufsz - pos,
1548 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1549 le32_to_cpu(bt->hi_priority_rx_req_cnt),
1550 accum_bt->hi_priority_rx_req_cnt);
1551 pos += scnprintf(buf + pos, bufsz - pos,
1552 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1553 le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1554 accum_bt->hi_priority_rx_denied_cnt);
1555 pos += scnprintf(buf + pos, bufsz - pos,
1556 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1557 le32_to_cpu(bt->lo_priority_rx_req_cnt),
1558 accum_bt->lo_priority_rx_req_cnt);
1559 pos += scnprintf(buf + pos, bufsz - pos,
1560 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1561 le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1562 accum_bt->lo_priority_rx_denied_cnt);
1563
1564 pos += scnprintf(buf + pos, bufsz - pos,
1565 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1566 le32_to_cpu(priv->statistics.num_bt_kills),
1567 priv->statistics.accum_num_bt_kills);
1568
1569 spin_unlock_bh(&priv->statistics.lock);
1570
1571 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1572 kfree(buf);
1573 return ret;
1574 }
1575
1576 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1577 char __user *user_buf,
1578 size_t count, loff_t *ppos)
1579 {
1580 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1581 int pos = 0;
1582 char *buf;
1583 int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1584 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1585 ssize_t ret;
1586
1587 if (!iwl_is_alive(priv))
1588 return -EAGAIN;
1589
1590 buf = kzalloc(bufsz, GFP_KERNEL);
1591 if (!buf)
1592 return -ENOMEM;
1593
1594 pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1595 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1596 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1597 priv->reply_tx_stats.pp_delay);
1598 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1599 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1600 priv->reply_tx_stats.pp_few_bytes);
1601 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1602 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1603 priv->reply_tx_stats.pp_bt_prio);
1604 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1605 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1606 priv->reply_tx_stats.pp_quiet_period);
1607 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1608 iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1609 priv->reply_tx_stats.pp_calc_ttak);
1610 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1611 iwl_get_tx_fail_reason(
1612 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1613 priv->reply_tx_stats.int_crossed_retry);
1614 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1615 iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1616 priv->reply_tx_stats.short_limit);
1617 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1618 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1619 priv->reply_tx_stats.long_limit);
1620 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1621 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1622 priv->reply_tx_stats.fifo_underrun);
1623 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1624 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1625 priv->reply_tx_stats.drain_flow);
1626 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1627 iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1628 priv->reply_tx_stats.rfkill_flush);
1629 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1630 iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1631 priv->reply_tx_stats.life_expire);
1632 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1633 iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1634 priv->reply_tx_stats.dest_ps);
1635 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1636 iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1637 priv->reply_tx_stats.host_abort);
1638 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1639 iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1640 priv->reply_tx_stats.pp_delay);
1641 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1642 iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1643 priv->reply_tx_stats.sta_invalid);
1644 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1645 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1646 priv->reply_tx_stats.frag_drop);
1647 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1648 iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1649 priv->reply_tx_stats.tid_disable);
1650 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1651 iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1652 priv->reply_tx_stats.fifo_flush);
1653 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1654 iwl_get_tx_fail_reason(
1655 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1656 priv->reply_tx_stats.insuff_cf_poll);
1657 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1658 iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1659 priv->reply_tx_stats.fail_hw_drop);
1660 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1661 iwl_get_tx_fail_reason(
1662 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1663 priv->reply_tx_stats.sta_color_mismatch);
1664 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1665 priv->reply_tx_stats.unknown);
1666
1667 pos += scnprintf(buf + pos, bufsz - pos,
1668 "\nStatistics_Agg_TX_Error:\n");
1669
1670 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1671 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1672 priv->reply_agg_tx_stats.underrun);
1673 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1674 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1675 priv->reply_agg_tx_stats.bt_prio);
1676 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1677 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1678 priv->reply_agg_tx_stats.few_bytes);
1679 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1680 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1681 priv->reply_agg_tx_stats.abort);
1682 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1683 iwl_get_agg_tx_fail_reason(
1684 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1685 priv->reply_agg_tx_stats.last_sent_ttl);
1686 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1687 iwl_get_agg_tx_fail_reason(
1688 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1689 priv->reply_agg_tx_stats.last_sent_try);
1690 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1691 iwl_get_agg_tx_fail_reason(
1692 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1693 priv->reply_agg_tx_stats.last_sent_bt_kill);
1694 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1695 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1696 priv->reply_agg_tx_stats.scd_query);
1697 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1698 iwl_get_agg_tx_fail_reason(
1699 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1700 priv->reply_agg_tx_stats.bad_crc32);
1701 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1702 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1703 priv->reply_agg_tx_stats.response);
1704 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1705 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1706 priv->reply_agg_tx_stats.dump_tx);
1707 pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1708 iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1709 priv->reply_agg_tx_stats.delay_tx);
1710 pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1711 priv->reply_agg_tx_stats.unknown);
1712
1713 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1714 kfree(buf);
1715 return ret;
1716 }
1717
1718 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1719 char __user *user_buf,
1720 size_t count, loff_t *ppos) {
1721
1722 struct iwl_priv *priv = file->private_data;
1723 int pos = 0;
1724 int cnt = 0;
1725 char *buf;
1726 int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1727 ssize_t ret;
1728 struct iwl_sensitivity_data *data;
1729
1730 data = &priv->sensitivity_data;
1731 buf = kzalloc(bufsz, GFP_KERNEL);
1732 if (!buf)
1733 return -ENOMEM;
1734
1735 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1736 data->auto_corr_ofdm);
1737 pos += scnprintf(buf + pos, bufsz - pos,
1738 "auto_corr_ofdm_mrc:\t\t %u\n",
1739 data->auto_corr_ofdm_mrc);
1740 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1741 data->auto_corr_ofdm_x1);
1742 pos += scnprintf(buf + pos, bufsz - pos,
1743 "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1744 data->auto_corr_ofdm_mrc_x1);
1745 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1746 data->auto_corr_cck);
1747 pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1748 data->auto_corr_cck_mrc);
1749 pos += scnprintf(buf + pos, bufsz - pos,
1750 "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1751 data->last_bad_plcp_cnt_ofdm);
1752 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1753 data->last_fa_cnt_ofdm);
1754 pos += scnprintf(buf + pos, bufsz - pos,
1755 "last_bad_plcp_cnt_cck:\t\t %u\n",
1756 data->last_bad_plcp_cnt_cck);
1757 pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1758 data->last_fa_cnt_cck);
1759 pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1760 data->nrg_curr_state);
1761 pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1762 data->nrg_prev_state);
1763 pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1764 for (cnt = 0; cnt < 10; cnt++) {
1765 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1766 data->nrg_value[cnt]);
1767 }
1768 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1769 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1770 for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1771 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1772 data->nrg_silence_rssi[cnt]);
1773 }
1774 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1775 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1776 data->nrg_silence_ref);
1777 pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1778 data->nrg_energy_idx);
1779 pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1780 data->nrg_silence_idx);
1781 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1782 data->nrg_th_cck);
1783 pos += scnprintf(buf + pos, bufsz - pos,
1784 "nrg_auto_corr_silence_diff:\t %u\n",
1785 data->nrg_auto_corr_silence_diff);
1786 pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1787 data->num_in_cck_no_fa);
1788 pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
1789 data->nrg_th_ofdm);
1790
1791 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1792 kfree(buf);
1793 return ret;
1794 }
1795
1796
1797 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
1798 char __user *user_buf,
1799 size_t count, loff_t *ppos) {
1800
1801 struct iwl_priv *priv = file->private_data;
1802 int pos = 0;
1803 int cnt = 0;
1804 char *buf;
1805 int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
1806 ssize_t ret;
1807 struct iwl_chain_noise_data *data;
1808
1809 data = &priv->chain_noise_data;
1810 buf = kzalloc(bufsz, GFP_KERNEL);
1811 if (!buf)
1812 return -ENOMEM;
1813
1814 pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
1815 data->active_chains);
1816 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
1817 data->chain_noise_a);
1818 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
1819 data->chain_noise_b);
1820 pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
1821 data->chain_noise_c);
1822 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
1823 data->chain_signal_a);
1824 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
1825 data->chain_signal_b);
1826 pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
1827 data->chain_signal_c);
1828 pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
1829 data->beacon_count);
1830
1831 pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
1832 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1833 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1834 data->disconn_array[cnt]);
1835 }
1836 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1837 pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
1838 for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
1839 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1840 data->delta_gain_code[cnt]);
1841 }
1842 pos += scnprintf(buf + pos, bufsz - pos, "\n");
1843 pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
1844 data->radio_write);
1845 pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
1846 data->state);
1847
1848 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1849 kfree(buf);
1850 return ret;
1851 }
1852
1853 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
1854 char __user *user_buf,
1855 size_t count, loff_t *ppos)
1856 {
1857 struct iwl_priv *priv = file->private_data;
1858 char buf[60];
1859 int pos = 0;
1860 const size_t bufsz = sizeof(buf);
1861 u32 pwrsave_status;
1862
1863 pwrsave_status = iwl_read32(priv->trans, CSR_GP_CNTRL) &
1864 CSR_GP_REG_POWER_SAVE_STATUS_MSK;
1865
1866 pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
1867 pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
1868 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
1869 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
1870 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
1871 "error");
1872
1873 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1874 }
1875
1876 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
1877 const char __user *user_buf,
1878 size_t count, loff_t *ppos)
1879 {
1880 struct iwl_priv *priv = file->private_data;
1881 char buf[8];
1882 int buf_size;
1883 int clear;
1884
1885 memset(buf, 0, sizeof(buf));
1886 buf_size = min(count, sizeof(buf) - 1);
1887 if (copy_from_user(buf, user_buf, buf_size))
1888 return -EFAULT;
1889 if (sscanf(buf, "%d", &clear) != 1)
1890 return -EFAULT;
1891
1892 /* make request to uCode to retrieve statistics information */
1893 mutex_lock(&priv->mutex);
1894 iwl_send_statistics_request(priv, CMD_SYNC, true);
1895 mutex_unlock(&priv->mutex);
1896
1897 return count;
1898 }
1899
1900 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
1901 char __user *user_buf,
1902 size_t count, loff_t *ppos) {
1903
1904 struct iwl_priv *priv = file->private_data;
1905 int pos = 0;
1906 char buf[128];
1907 const size_t bufsz = sizeof(buf);
1908
1909 pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
1910 priv->event_log.ucode_trace ? "On" : "Off");
1911 pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
1912 priv->event_log.non_wraps_count);
1913 pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
1914 priv->event_log.wraps_once_count);
1915 pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
1916 priv->event_log.wraps_more_count);
1917
1918 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1919 }
1920
1921 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
1922 const char __user *user_buf,
1923 size_t count, loff_t *ppos)
1924 {
1925 struct iwl_priv *priv = file->private_data;
1926 char buf[8];
1927 int buf_size;
1928 int trace;
1929
1930 memset(buf, 0, sizeof(buf));
1931 buf_size = min(count, sizeof(buf) - 1);
1932 if (copy_from_user(buf, user_buf, buf_size))
1933 return -EFAULT;
1934 if (sscanf(buf, "%d", &trace) != 1)
1935 return -EFAULT;
1936
1937 if (trace) {
1938 priv->event_log.ucode_trace = true;
1939 if (iwl_is_alive(priv)) {
1940 /* start collecting data now */
1941 mod_timer(&priv->ucode_trace, jiffies);
1942 }
1943 } else {
1944 priv->event_log.ucode_trace = false;
1945 del_timer_sync(&priv->ucode_trace);
1946 }
1947
1948 return count;
1949 }
1950
1951 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
1952 char __user *user_buf,
1953 size_t count, loff_t *ppos) {
1954
1955 struct iwl_priv *priv = file->private_data;
1956 int len = 0;
1957 char buf[20];
1958
1959 len = sprintf(buf, "0x%04X\n",
1960 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
1961 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1962 }
1963
1964 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
1965 char __user *user_buf,
1966 size_t count, loff_t *ppos) {
1967
1968 struct iwl_priv *priv = file->private_data;
1969 int len = 0;
1970 char buf[20];
1971
1972 len = sprintf(buf, "0x%04X\n",
1973 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
1974 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1975 }
1976
1977 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
1978 char __user *user_buf,
1979 size_t count, loff_t *ppos) {
1980
1981 struct iwl_priv *priv = file->private_data;
1982 int pos = 0;
1983 char buf[12];
1984 const size_t bufsz = sizeof(buf);
1985
1986 pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
1987 priv->missed_beacon_threshold);
1988
1989 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1990 }
1991
1992 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
1993 const char __user *user_buf,
1994 size_t count, loff_t *ppos)
1995 {
1996 struct iwl_priv *priv = file->private_data;
1997 char buf[8];
1998 int buf_size;
1999 int missed;
2000
2001 memset(buf, 0, sizeof(buf));
2002 buf_size = min(count, sizeof(buf) - 1);
2003 if (copy_from_user(buf, user_buf, buf_size))
2004 return -EFAULT;
2005 if (sscanf(buf, "%d", &missed) != 1)
2006 return -EINVAL;
2007
2008 if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2009 missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2010 priv->missed_beacon_threshold =
2011 IWL_MISSED_BEACON_THRESHOLD_DEF;
2012 else
2013 priv->missed_beacon_threshold = missed;
2014
2015 return count;
2016 }
2017
2018 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2019 char __user *user_buf,
2020 size_t count, loff_t *ppos) {
2021
2022 struct iwl_priv *priv = file->private_data;
2023 int pos = 0;
2024 char buf[12];
2025 const size_t bufsz = sizeof(buf);
2026
2027 pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2028 priv->plcp_delta_threshold);
2029
2030 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2031 }
2032
2033 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2034 const char __user *user_buf,
2035 size_t count, loff_t *ppos) {
2036
2037 struct iwl_priv *priv = file->private_data;
2038 char buf[8];
2039 int buf_size;
2040 int plcp;
2041
2042 memset(buf, 0, sizeof(buf));
2043 buf_size = min(count, sizeof(buf) - 1);
2044 if (copy_from_user(buf, user_buf, buf_size))
2045 return -EFAULT;
2046 if (sscanf(buf, "%d", &plcp) != 1)
2047 return -EINVAL;
2048 if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2049 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2050 priv->plcp_delta_threshold =
2051 IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2052 else
2053 priv->plcp_delta_threshold = plcp;
2054 return count;
2055 }
2056
2057 static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
2058 char __user *user_buf,
2059 size_t count, loff_t *ppos)
2060 {
2061 struct iwl_priv *priv = file->private_data;
2062 int pos = 0;
2063 char buf[300];
2064 const size_t bufsz = sizeof(buf);
2065 struct iwl_rf_reset *rf_reset = &priv->rf_reset;
2066
2067 pos += scnprintf(buf + pos, bufsz - pos,
2068 "RF reset statistics\n");
2069 pos += scnprintf(buf + pos, bufsz - pos,
2070 "\tnumber of reset request: %d\n",
2071 rf_reset->reset_request_count);
2072 pos += scnprintf(buf + pos, bufsz - pos,
2073 "\tnumber of reset request success: %d\n",
2074 rf_reset->reset_success_count);
2075 pos += scnprintf(buf + pos, bufsz - pos,
2076 "\tnumber of reset request reject: %d\n",
2077 rf_reset->reset_reject_count);
2078
2079 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2080 }
2081
2082 static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
2083 const char __user *user_buf,
2084 size_t count, loff_t *ppos) {
2085
2086 struct iwl_priv *priv = file->private_data;
2087 int ret;
2088
2089 ret = iwl_force_rf_reset(priv, true);
2090 return ret ? ret : count;
2091 }
2092
2093 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2094 const char __user *user_buf,
2095 size_t count, loff_t *ppos) {
2096
2097 struct iwl_priv *priv = file->private_data;
2098 char buf[8];
2099 int buf_size;
2100 int flush;
2101
2102 memset(buf, 0, sizeof(buf));
2103 buf_size = min(count, sizeof(buf) - 1);
2104 if (copy_from_user(buf, user_buf, buf_size))
2105 return -EFAULT;
2106 if (sscanf(buf, "%d", &flush) != 1)
2107 return -EINVAL;
2108
2109 if (iwl_is_rfkill(priv))
2110 return -EFAULT;
2111
2112 iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2113
2114 return count;
2115 }
2116
2117 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2118 char __user *user_buf,
2119 size_t count, loff_t *ppos) {
2120
2121 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2122 int pos = 0;
2123 char buf[200];
2124 const size_t bufsz = sizeof(buf);
2125
2126 if (!priv->bt_enable_flag) {
2127 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2128 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2129 }
2130 pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2131 priv->bt_enable_flag);
2132 pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2133 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2134 pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2135 "last traffic notif: %d\n",
2136 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2137 pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2138 "kill_ack_mask: %x, kill_cts_mask: %x\n",
2139 priv->bt_ch_announce, priv->kill_ack_mask,
2140 priv->kill_cts_mask);
2141
2142 pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2143 switch (priv->bt_traffic_load) {
2144 case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2145 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2146 break;
2147 case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2148 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2149 break;
2150 case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2151 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2152 break;
2153 case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2154 default:
2155 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2156 break;
2157 }
2158
2159 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2160 }
2161
2162 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2163 char __user *user_buf,
2164 size_t count, loff_t *ppos)
2165 {
2166 struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2167
2168 int pos = 0;
2169 char buf[40];
2170 const size_t bufsz = sizeof(buf);
2171
2172 if (priv->cfg->ht_params)
2173 pos += scnprintf(buf + pos, bufsz - pos,
2174 "use %s for aggregation\n",
2175 (priv->hw_params.use_rts_for_aggregation) ?
2176 "rts/cts" : "cts-to-self");
2177 else
2178 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2179
2180 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2181 }
2182
2183 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2184 const char __user *user_buf,
2185 size_t count, loff_t *ppos) {
2186
2187 struct iwl_priv *priv = file->private_data;
2188 char buf[8];
2189 int buf_size;
2190 int rts;
2191
2192 if (!priv->cfg->ht_params)
2193 return -EINVAL;
2194
2195 memset(buf, 0, sizeof(buf));
2196 buf_size = min(count, sizeof(buf) - 1);
2197 if (copy_from_user(buf, user_buf, buf_size))
2198 return -EFAULT;
2199 if (sscanf(buf, "%d", &rts) != 1)
2200 return -EINVAL;
2201 if (rts)
2202 priv->hw_params.use_rts_for_aggregation = true;
2203 else
2204 priv->hw_params.use_rts_for_aggregation = false;
2205 return count;
2206 }
2207
2208 static int iwl_cmd_echo_test(struct iwl_priv *priv)
2209 {
2210 int ret;
2211 struct iwl_host_cmd cmd = {
2212 .id = REPLY_ECHO,
2213 .len = { 0 },
2214 .flags = CMD_SYNC,
2215 };
2216
2217 ret = iwl_dvm_send_cmd(priv, &cmd);
2218 if (ret)
2219 IWL_ERR(priv, "echo testing fail: 0X%x\n", ret);
2220 else
2221 IWL_DEBUG_INFO(priv, "echo testing pass\n");
2222 return ret;
2223 }
2224
2225 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2226 const char __user *user_buf,
2227 size_t count, loff_t *ppos)
2228 {
2229 struct iwl_priv *priv = file->private_data;
2230 char buf[8];
2231 int buf_size;
2232
2233 memset(buf, 0, sizeof(buf));
2234 buf_size = min(count, sizeof(buf) - 1);
2235 if (copy_from_user(buf, user_buf, buf_size))
2236 return -EFAULT;
2237
2238 iwl_cmd_echo_test(priv);
2239 return count;
2240 }
2241
2242 static ssize_t iwl_dbgfs_log_event_read(struct file *file,
2243 char __user *user_buf,
2244 size_t count, loff_t *ppos)
2245 {
2246 struct iwl_priv *priv = file->private_data;
2247 char *buf;
2248 int pos = 0;
2249 ssize_t ret = -ENOMEM;
2250
2251 ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
2252 if (buf) {
2253 ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2254 kfree(buf);
2255 }
2256 return ret;
2257 }
2258
2259 static ssize_t iwl_dbgfs_log_event_write(struct file *file,
2260 const char __user *user_buf,
2261 size_t count, loff_t *ppos)
2262 {
2263 struct iwl_priv *priv = file->private_data;
2264 u32 event_log_flag;
2265 char buf[8];
2266 int buf_size;
2267
2268 memset(buf, 0, sizeof(buf));
2269 buf_size = min(count, sizeof(buf) - 1);
2270 if (copy_from_user(buf, user_buf, buf_size))
2271 return -EFAULT;
2272 if (sscanf(buf, "%d", &event_log_flag) != 1)
2273 return -EFAULT;
2274 if (event_log_flag == 1)
2275 iwl_dump_nic_event_log(priv, true, NULL, false);
2276
2277 return count;
2278 }
2279
2280 static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
2281 char __user *user_buf,
2282 size_t count, loff_t *ppos)
2283 {
2284 struct iwl_priv *priv = file->private_data;
2285 char buf[120];
2286 int pos = 0;
2287 const size_t bufsz = sizeof(buf);
2288
2289 pos += scnprintf(buf + pos, bufsz - pos,
2290 "Sensitivity calibrations %s\n",
2291 (priv->calib_disabled &
2292 IWL_SENSITIVITY_CALIB_DISABLED) ?
2293 "DISABLED" : "ENABLED");
2294 pos += scnprintf(buf + pos, bufsz - pos,
2295 "Chain noise calibrations %s\n",
2296 (priv->calib_disabled &
2297 IWL_CHAIN_NOISE_CALIB_DISABLED) ?
2298 "DISABLED" : "ENABLED");
2299 pos += scnprintf(buf + pos, bufsz - pos,
2300 "Tx power calibrations %s\n",
2301 (priv->calib_disabled &
2302 IWL_TX_POWER_CALIB_DISABLED) ?
2303 "DISABLED" : "ENABLED");
2304
2305 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2306 }
2307
2308 static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
2309 const char __user *user_buf,
2310 size_t count, loff_t *ppos)
2311 {
2312 struct iwl_priv *priv = file->private_data;
2313 char buf[8];
2314 u32 calib_disabled;
2315 int buf_size;
2316
2317 memset(buf, 0, sizeof(buf));
2318 buf_size = min(count, sizeof(buf) - 1);
2319 if (copy_from_user(buf, user_buf, buf_size))
2320 return -EFAULT;
2321 if (sscanf(buf, "%x", &calib_disabled) != 1)
2322 return -EFAULT;
2323
2324 priv->calib_disabled = calib_disabled;
2325
2326 return count;
2327 }
2328
2329 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2330 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2331 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2332 DEBUGFS_READ_FILE_OPS(sensitivity);
2333 DEBUGFS_READ_FILE_OPS(chain_noise);
2334 DEBUGFS_READ_FILE_OPS(power_save_status);
2335 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2336 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2337 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2338 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2339 DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
2340 DEBUGFS_READ_FILE_OPS(rxon_flags);
2341 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2342 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2343 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2344 DEBUGFS_READ_FILE_OPS(bt_traffic);
2345 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2346 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2347 DEBUGFS_WRITE_FILE_OPS(echo_test);
2348 DEBUGFS_READ_WRITE_FILE_OPS(log_event);
2349 DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
2350
2351 /*
2352 * Create the debugfs files and directories
2353 *
2354 */
2355 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2356 {
2357 struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2358 struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2359
2360 dir_drv = debugfs_create_dir(name, phyd);
2361 if (!dir_drv)
2362 return -ENOMEM;
2363
2364 priv->debugfs_dir = dir_drv;
2365
2366 dir_data = debugfs_create_dir("data", dir_drv);
2367 if (!dir_data)
2368 goto err;
2369 dir_rf = debugfs_create_dir("rf", dir_drv);
2370 if (!dir_rf)
2371 goto err;
2372 dir_debug = debugfs_create_dir("debug", dir_drv);
2373 if (!dir_debug)
2374 goto err;
2375
2376 DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2377 DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2378 DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2379 DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2380 DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2381 DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2382 DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2383 DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2384 DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2385 DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2386 DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2387 DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2388 DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2389
2390 DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2391 DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2392 DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2393 DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2394 DEBUGFS_ADD_FILE(rf_reset, dir_debug, S_IWUSR | S_IRUSR);
2395 DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2396 DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2397 DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2398 DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2399 DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2400 DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2401 DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2402 DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2403 DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2404 DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2405 DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2406 DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2407 DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2408 DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
2409
2410 if (iwl_advanced_bt_coexist(priv))
2411 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2412
2413 /* Calibrations disabled/enabled status*/
2414 DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
2415
2416 if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
2417 goto err;
2418 return 0;
2419
2420 err:
2421 IWL_ERR(priv, "Can't create the debugfs directory\n");
2422 iwl_dbgfs_unregister(priv);
2423 return -ENOMEM;
2424 }
2425
2426 /**
2427 * Remove the debugfs files and directories
2428 *
2429 */
2430 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2431 {
2432 if (!priv->debugfs_dir)
2433 return;
2434
2435 debugfs_remove_recursive(priv->debugfs_dir);
2436 priv->debugfs_dir = NULL;
2437 }
Linux kernel - Deliverables
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